diff options
1316 files changed, 32153 insertions, 16480 deletions
@@ -661,7 +661,7 @@ N: Kees Cook E: kees@outflux.net W: http://outflux.net/ P: 1024D/17063E6D 9FA3 C49C 23C9 D1BC 2E30 1975 1FFF 4BA9 1706 3E6D -D: Minor updates to SCSI code for the Communications type +D: Minor updates to SCSI types, added /proc/pid/maps protection S: (ask for current address) S: USA @@ -2580,10 +2580,9 @@ S: Australia N: Miguel Ojeda Sandonis E: maxextreme@gmail.com -D: Author: Auxiliary LCD Controller driver (ks0108) -D: Author: Auxiliary LCD driver (cfag12864b) -D: Author: Auxiliary LCD framebuffer driver (cfag12864bfb) -D: Maintainer: Auxiliary display drivers tree (drivers/auxdisplay/*) +W: http://maxextreme.googlepages.com/ +D: Author of the ks0108, cfag12864b and cfag12864bfb auxiliary display drivers. +D: Maintainer of the auxiliary display drivers tree (drivers/auxdisplay/*) S: C/ Mieses 20, 9-B S: Valladolid 47009 S: Spain diff --git a/Documentation/CodingStyle b/Documentation/CodingStyle index 9069189e78e..afc28677589 100644 --- a/Documentation/CodingStyle +++ b/Documentation/CodingStyle @@ -160,6 +160,21 @@ supply of new-lines on your screen is not a renewable resource (think 25-line terminal screens here), you have more empty lines to put comments on. +Do not unnecessarily use braces where a single statement will do. + +if (condition) + action(); + +This does not apply if one branch of a conditional statement is a single +statement. Use braces in both branches. + +if (condition) { + do_this(); + do_that(); +} else { + otherwise(); +} + 3.1: Spaces Linux kernel style for use of spaces depends (mostly) on @@ -625,7 +640,7 @@ language. There appears to be a common misperception that gcc has a magic "make me faster" speedup option called "inline". While the use of inlines can be -appropriate (for example as a means of replacing macros, see Chapter 11), it +appropriate (for example as a means of replacing macros, see Chapter 12), it very often is not. Abundant use of the inline keyword leads to a much bigger kernel, which in turn slows the system as a whole down, due to a bigger icache footprint for the CPU and simply because there is less memory diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile index 10b5cd6c54a..6fd1646d320 100644 --- a/Documentation/DocBook/Makefile +++ b/Documentation/DocBook/Makefile @@ -43,6 +43,7 @@ pdfdocs: $(PDF) HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS))) htmldocs: $(HTML) + $(call build_main_index) MAN := $(patsubst %.xml, %.9, $(BOOKS)) mandocs: $(MAN) @@ -132,10 +133,17 @@ quiet_cmd_db2pdf = PDF $@ %.pdf : %.xml $(call cmd,db2pdf) + +main_idx = Documentation/DocBook/index.html +build_main_index = rm -rf $(main_idx) && \ + echo '<h1>Linux Kernel HTML Documentation</h1>' >> $(main_idx) && \ + echo '<h2>Kernel Version: $(KERNELVERSION)</h2>' >> $(main_idx) && \ + cat $(HTML) >> $(main_idx) + quiet_cmd_db2html = HTML $@ cmd_db2html = xmlto xhtml $(XMLTOFLAGS) -o $(patsubst %.html,%,$@) $< && \ echo '<a HREF="$(patsubst %.html,%,$(notdir $@))/index.html"> \ - Goto $(patsubst %.html,%,$(notdir $@))</a><p>' > $@ + $(patsubst %.html,%,$(notdir $@))</a><p>' > $@ %.html: %.xml @(which xmlto > /dev/null 2>&1) || \ diff --git a/Documentation/DocBook/kernel-api.tmpl b/Documentation/DocBook/kernel-api.tmpl index b61dfc79e1b..a2b2b4d187c 100644 --- a/Documentation/DocBook/kernel-api.tmpl +++ b/Documentation/DocBook/kernel-api.tmpl @@ -576,4 +576,67 @@ X!Idrivers/video/console/fonts.c !Edrivers/input/ff-core.c !Edrivers/input/ff-memless.c </chapter> + + <chapter id="spi"> + <title>Serial Peripheral Interface (SPI)</title> + <para> + SPI is the "Serial Peripheral Interface", widely used with + embedded systems because it is a simple and efficient + interface: basically a multiplexed shift register. + Its three signal wires hold a clock (SCK, often in the range + of 1-20 MHz), a "Master Out, Slave In" (MOSI) data line, and + a "Master In, Slave Out" (MISO) data line. + SPI is a full duplex protocol; for each bit shifted out the + MOSI line (one per clock) another is shifted in on the MISO line. + Those bits are assembled into words of various sizes on the + way to and from system memory. + An additional chipselect line is usually active-low (nCS); + four signals are normally used for each peripheral, plus + sometimes an interrupt. + </para> + <para> + The SPI bus facilities listed here provide a generalized + interface to declare SPI busses and devices, manage them + according to the standard Linux driver model, and perform + input/output operations. + At this time, only "master" side interfaces are supported, + where Linux talks to SPI peripherals and does not implement + such a peripheral itself. + (Interfaces to support implementing SPI slaves would + necessarily look different.) + </para> + <para> + The programming interface is structured around two kinds of driver, + and two kinds of device. + A "Controller Driver" abstracts the controller hardware, which may + be as simple as a set of GPIO pins or as complex as a pair of FIFOs + connected to dual DMA engines on the other side of the SPI shift + register (maximizing throughput). Such drivers bridge between + whatever bus they sit on (often the platform bus) and SPI, and + expose the SPI side of their device as a + <structname>struct spi_master</structname>. + SPI devices are children of that master, represented as a + <structname>struct spi_device</structname> and manufactured from + <structname>struct spi_board_info</structname> descriptors which + are usually provided by board-specific initialization code. + A <structname>struct spi_driver</structname> is called a + "Protocol Driver", and is bound to a spi_device using normal + driver model calls. + </para> + <para> + The I/O model is a set of queued messages. Protocol drivers + submit one or more <structname>struct spi_message</structname> + objects, which are processed and completed asynchronously. + (There are synchronous wrappers, however.) Messages are + built from one or more <structname>struct spi_transfer</structname> + objects, each of which wraps a full duplex SPI transfer. + A variety of protocol tweaking options are needed, because + different chips adopt very different policies for how they + use the bits transferred with SPI. + </para> +!Iinclude/linux/spi/spi.h +!Fdrivers/spi/spi.c spi_register_board_info +!Edrivers/spi/spi.c + </chapter> + </book> diff --git a/Documentation/DocBook/librs.tmpl b/Documentation/DocBook/librs.tmpl index 3ff39bafc00..94f21361e0e 100644 --- a/Documentation/DocBook/librs.tmpl +++ b/Documentation/DocBook/librs.tmpl @@ -79,12 +79,12 @@ <chapter id="usage"> <title>Usage</title> <para> - This chapter provides examples how to use the library. + This chapter provides examples of how to use the library. </para> <sect1> <title>Initializing</title> <para> - The init function init_rs returns a pointer to a + The init function init_rs returns a pointer to an rs decoder structure, which holds the necessary information for encoding, decoding and error correction with the given polynomial. It either uses an existing @@ -98,10 +98,10 @@ static struct rs_control *rs_decoder; /* Symbolsize is 10 (bits) - * Primitve polynomial is x^10+x^3+1 + * Primitive polynomial is x^10+x^3+1 * first consecutive root is 0 - * primitve element to generate roots = 1 - * generator polinomial degree (number of roots) = 6 + * primitive element to generate roots = 1 + * generator polynomial degree (number of roots) = 6 */ rs_decoder = init_rs (10, 0x409, 0, 1, 6); </programlisting> @@ -116,12 +116,12 @@ rs_decoder = init_rs (10, 0x409, 0, 1, 6); </para> <para> The expanded data can be inverted on the fly by - providing a non zero inversion mask. The expanded data is + providing a non-zero inversion mask. The expanded data is XOR'ed with the mask. This is used e.g. for FLASH ECC, where the all 0xFF is inverted to an all 0x00. The Reed-Solomon code for all 0x00 is all 0x00. The code is inverted before storing to FLASH so it is 0xFF - too. This prevent's that reading from an erased FLASH + too. This prevents that reading from an erased FLASH results in ECC errors. </para> <para> @@ -273,7 +273,7 @@ free_rs(rs_decoder); May be used under the terms of the GNU General Public License (GPL) </programlisting> <para> - The wrapper functions and interfaces are written by Thomas Gleixner + The wrapper functions and interfaces are written by Thomas Gleixner. </para> <para> Many users have provided bugfixes, improvements and helping hands for testing. diff --git a/Documentation/SubmittingDrivers b/Documentation/SubmittingDrivers index 58bead05eab..d7e26427e42 100644 --- a/Documentation/SubmittingDrivers +++ b/Documentation/SubmittingDrivers @@ -87,6 +87,21 @@ Clarity: It helps if anyone can see how to fix the driver. It helps driver that intentionally obfuscates how the hardware works it will go in the bitbucket. +PM support: Since Linux is used on many portable and desktop systems, your + driver is likely to be used on such a system and therefore it + should support basic power management by implementing, if + necessary, the .suspend and .resume methods used during the + system-wide suspend and resume transitions. You should verify + that your driver correctly handles the suspend and resume, but + if you are unable to ensure that, please at least define the + .suspend method returning the -ENOSYS ("Function not + implemented") error. You should also try to make sure that your + driver uses as little power as possible when it's not doing + anything. For the driver testing instructions see + Documentation/power/drivers-testing.txt and for a relatively + complete overview of the power management issues related to + drivers see Documentation/power/devices.txt . + Control: In general if there is active maintainance of a driver by the author then patches will be redirected to them unless they are totally obvious and without need of checking. diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c index e9126e794ed..71acc28ed0d 100644 --- a/Documentation/accounting/getdelays.c +++ b/Documentation/accounting/getdelays.c @@ -61,8 +61,6 @@ __u64 stime, utime; #define MAX_MSG_SIZE 1024 /* Maximum number of cpus expected to be specified in a cpumask */ #define MAX_CPUS 32 -/* Maximum length of pathname to log file */ -#define MAX_FILENAME 256 struct msgtemplate { struct nlmsghdr n; @@ -72,6 +70,16 @@ struct msgtemplate { char cpumask[100+6*MAX_CPUS]; +static void usage(void) +{ + fprintf(stderr, "getdelays [-dilv] [-w logfile] [-r bufsize] " + "[-m cpumask] [-t tgid] [-p pid]\n"); + fprintf(stderr, " -d: print delayacct stats\n"); + fprintf(stderr, " -i: print IO accounting (works only with -p)\n"); + fprintf(stderr, " -l: listen forever\n"); + fprintf(stderr, " -v: debug on\n"); +} + /* * Create a raw netlink socket and bind */ @@ -221,13 +229,13 @@ int main(int argc, char *argv[]) int count = 0; int write_file = 0; int maskset = 0; - char logfile[128]; + char *logfile = NULL; int loop = 0; struct msgtemplate msg; while (1) { - c = getopt(argc, argv, "diw:r:m:t:p:v:l"); + c = getopt(argc, argv, "diw:r:m:t:p:vl"); if (c < 0) break; @@ -241,7 +249,7 @@ int main(int argc, char *argv[]) print_io_accounting = 1; break; case 'w': - strncpy(logfile, optarg, MAX_FILENAME); + logfile = strdup(optarg); printf("write to file %s\n", logfile); write_file = 1; break; @@ -277,7 +285,7 @@ int main(int argc, char *argv[]) loop = 1; break; default: - printf("Unknown option %d\n", c); + usage(); exit(-1); } } diff --git a/Documentation/cciss.txt b/Documentation/cciss.txt index f74affe5c82..e65736c6b8b 100644 --- a/Documentation/cciss.txt +++ b/Documentation/cciss.txt @@ -22,14 +22,21 @@ This driver is known to work with the following cards: * SA E200i * SA E500 -If nodes are not already created in the /dev/cciss directory, run as root: +Detecting drive failures: +------------------------- -# cd /dev -# ./MAKEDEV cciss +To get the status of logical volumes and to detect physical drive +failures, you can use the cciss_vol_status program found here: +http://cciss.sourceforge.net/#cciss_utils Device Naming: -------------- +If nodes are not already created in the /dev/cciss directory, run as root: + +# cd /dev +# ./MAKEDEV cciss + You need some entries in /dev for the cciss device. The MAKEDEV script can make device nodes for you automatically. Currently the device setup is as follows: diff --git a/Documentation/fb/deferred_io.txt b/Documentation/fb/deferred_io.txt new file mode 100644 index 00000000000..73cf9fb7cf6 --- /dev/null +++ b/Documentation/fb/deferred_io.txt @@ -0,0 +1,75 @@ +Deferred IO +----------- + +Deferred IO is a way to delay and repurpose IO. It uses host memory as a +buffer and the MMU pagefault as a pretrigger for when to perform the device +IO. The following example may be a useful explaination of how one such setup +works: + +- userspace app like Xfbdev mmaps framebuffer +- deferred IO and driver sets up nopage and page_mkwrite handlers +- userspace app tries to write to mmaped vaddress +- we get pagefault and reach nopage handler +- nopage handler finds and returns physical page +- we get page_mkwrite where we add this page to a list +- schedule a workqueue task to be run after a delay +- app continues writing to that page with no additional cost. this is + the key benefit. +- the workqueue task comes in and mkcleans the pages on the list, then + completes the work associated with updating the framebuffer. this is + the real work talking to the device. +- app tries to write to the address (that has now been mkcleaned) +- get pagefault and the above sequence occurs again + +As can be seen from above, one benefit is roughly to allow bursty framebuffer +writes to occur at minimum cost. Then after some time when hopefully things +have gone quiet, we go and really update the framebuffer which would be +a relatively more expensive operation. + +For some types of nonvolatile high latency displays, the desired image is +the final image rather than the intermediate stages which is why it's okay +to not update for each write that is occuring. + +It may be the case that this is useful in other scenarios as well. Paul Mundt +has mentioned a case where it is beneficial to use the page count to decide +whether to coalesce and issue SG DMA or to do memory bursts. + +Another one may be if one has a device framebuffer that is in an usual format, +say diagonally shifting RGB, this may then be a mechanism for you to allow +apps to pretend to have a normal framebuffer but reswizzle for the device +framebuffer at vsync time based on the touched pagelist. + +How to use it: (for applications) +--------------------------------- +No changes needed. mmap the framebuffer like normal and just use it. + +How to use it: (for fbdev drivers) +---------------------------------- +The following example may be helpful. + +1. Setup your structure. Eg: + +static struct fb_deferred_io hecubafb_defio = { + .delay = HZ, + .deferred_io = hecubafb_dpy_deferred_io, +}; + +The delay is the minimum delay between when the page_mkwrite trigger occurs +and when the deferred_io callback is called. The deferred_io callback is +explained below. + +2. Setup your deferred IO callback. Eg: +static void hecubafb_dpy_deferred_io(struct fb_info *info, + struct list_head *pagelist) + +The deferred_io callback is where you would perform all your IO to the display +device. You receive the pagelist which is the list of pages that were written +to during the delay. You must not modify this list. This callback is called +from a workqueue. + +3. Call init + info->fbdefio = &hecubafb_defio; + fb_deferred_io_init(info); + +4. Call cleanup + fb_deferred_io_cleanup(info); diff --git a/Documentation/fb/s3fb.txt b/Documentation/fb/s3fb.txt index 8a04c0da0c9..2c97770bdba 100644 --- a/Documentation/fb/s3fb.txt +++ b/Documentation/fb/s3fb.txt @@ -35,10 +35,12 @@ Supported Features * suspend/resume support * DPMS support -Text mode is supported even in higher resolutions, but there is limitation -to lower pixclocks (maximum between 50-60 MHz, depending on specific hardware). -This limitation is not enforced by driver. Text mode supports 8bit wide fonts -only (hardware limitation) and 16bit tall fonts (driver limitation). +Text mode is supported even in higher resolutions, but there is limitation to +lower pixclocks (maximum usually between 50-60 MHz, depending on specific +hardware, i get best results from plain S3 Trio32 card - about 75 MHz). This +limitation is not enforced by driver. Text mode supports 8bit wide fonts only +(hardware limitation) and 16bit tall fonts (driver limitation). Text mode +support is broken on S3 Trio64 V2/DX. There are two 4 bpp modes. First mode (selected if nonstd == 0) is mode with packed pixels, high nibble first. Second mode (selected if nonstd == 1) is mode @@ -73,6 +75,8 @@ Known bugs ========== * cursor disable in text mode doesn't work + * text mode broken on S3 Trio64 V2/DX + -- Ondrej Zajicek <santiago@crfreenet.org> diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 5f96cb33743..2291ff620d9 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -6,6 +6,14 @@ be removed from this file. --------------------------- +What: MXSER +When: December 2007 +Why: Old mxser driver is obsoleted by the mxser_new. Give it some time yet + and remove it. +Who: Jiri Slaby <jirislaby@gmail.com> + +--------------------------- + What: V4L2 VIDIOC_G_MPEGCOMP and VIDIOC_S_MPEGCOMP When: October 2007 Why: Broken attempt to set MPEG compression parameters. These ioctls are @@ -117,18 +125,6 @@ Who: Adrian Bunk <bunk@stusta.de> --------------------------- -What: Usage of invalid timevals in setitimer -When: March 2007 -Why: POSIX requires to validate timevals in the setitimer call. This - was never done by Linux. The invalid (e.g. negative timevals) were - silently converted to more or less random timeouts and intervals. - Until the removal a per boot limited number of warnings is printed - and the timevals are sanitized. - -Who: Thomas Gleixner <tglx@linutronix.de> - ---------------------------- - What: Unused EXPORT_SYMBOL/EXPORT_SYMBOL_GPL exports (temporary transition config option provided until then) The transition config option will also be removed at the same time. @@ -156,7 +152,7 @@ Who: Greg Kroah-Hartman <gregkh@suse.de> --------------------------- What: Interrupt only SA_* flags -When: Januar 2007 +When: September 2007 Why: The interrupt related SA_* flags are replaced by IRQF_* to move them out of the signal namespace. @@ -323,3 +319,11 @@ Why: Obsolete. The new i2c-gpio driver replaces all hardware-specific Who: Jean Delvare <khali@linux-fr.org> --------------------------- + +What: drivers depending on OSS_OBSOLETE +When: options in 2.6.23, code in 2.6.25 +Why: obsolete OSS drivers +Who: Adrian Bunk <bunk@stusta.de> + +--------------------------- + diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 28bfea75bcf..59c14159cc4 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -15,6 +15,7 @@ prototypes: int (*d_delete)(struct dentry *); void (*d_release)(struct dentry *); void (*d_iput)(struct dentry *, struct inode *); + char *(*d_dname)((struct dentry *dentry, char *buffer, int buflen); locking rules: none have BKL @@ -25,6 +26,7 @@ d_compare: no yes no no d_delete: yes no yes no d_release: no no no yes d_iput: no no no yes +d_dname: no no no no --------------------------- inode_operations --------------------------- prototypes: diff --git a/Documentation/filesystems/jfs.txt b/Documentation/filesystems/jfs.txt index bae12866374..26ebde77e82 100644 --- a/Documentation/filesystems/jfs.txt +++ b/Documentation/filesystems/jfs.txt @@ -29,7 +29,13 @@ errors=continue Keep going on a filesystem error. errors=remount-ro Default. Remount the filesystem read-only on an error. errors=panic Panic and halt the machine if an error occurs. -Please send bugs, comments, cards and letters to shaggy@austin.ibm.com. +uid=value Override on-disk uid with specified value +gid=value Override on-disk gid with specified value +umask=value Override on-disk umask with specified octal value. For + directories, the execute bit will be set if the corresponding + read bit is set. + +Please send bugs, comments, cards and letters to shaggy@linux.vnet.ibm.com. The JFS mailing list can be subscribed to by using the link labeled "Mail list Subscribe" at our web page http://jfs.sourceforge.net/ diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 3f4b226572e..4f3e84c520a 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -1138,6 +1138,13 @@ determine whether or not they are still functioning properly. Because the NMI watchdog shares registers with oprofile, by disabling the NMI watchdog, oprofile may have more registers to utilize. +maps_protect +------------ + +Enables/Disables the protection of the per-process proc entries "maps" and +"smaps". When enabled, the contents of these files are visible only to +readers that are allowed to ptrace() the given process. + 2.4 /proc/sys/vm - The virtual memory subsystem ----------------------------------------------- diff --git a/Documentation/filesystems/vfat.txt b/Documentation/filesystems/vfat.txt index 069cb109430..fcc123ffa25 100644 --- a/Documentation/filesystems/vfat.txt +++ b/Documentation/filesystems/vfat.txt @@ -57,6 +57,13 @@ nonumtail=<bool> -- When creating 8.3 aliases, normally the alias will currently exist in the directory, 'longfile.txt' will be the short alias instead of 'longfi~1.txt'. +usefree -- Use the "free clusters" value stored on FSINFO. It'll + be used to determine number of free clusters without + scanning disk. But it's not used by default, because + recent Windows don't update it correctly in some + case. If you are sure the "free clusters" on FSINFO is + correct, by this option you can avoid scanning disk. + quiet -- Stops printing certain warning messages. check=s|r|n -- Case sensitivity checking setting. diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index ea271f2d395..a47cc819f37 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -827,7 +827,7 @@ This describes how a filesystem can overload the standard dentry operations. Dentries and the dcache are the domain of the VFS and the individual filesystem implementations. Device drivers have no business here. These methods may be set to NULL, as they are either optional or -the VFS uses a default. As of kernel 2.6.13, the following members are +the VFS uses a default. As of kernel 2.6.22, the following members are defined: struct dentry_operations { @@ -837,6 +837,7 @@ struct dentry_operations { int (*d_delete)(struct dentry *); void (*d_release)(struct dentry *); void (*d_iput)(struct dentry *, struct inode *); + char *(*d_dname)(struct dentry *, char *, int); }; d_revalidate: called when the VFS needs to revalidate a dentry. This @@ -859,6 +860,26 @@ struct dentry_operations { VFS calls iput(). If you define this method, you must call iput() yourself + d_dname: called when the pathname of a dentry should be generated. + Usefull for some pseudo filesystems (sockfs, pipefs, ...) to delay + pathname generation. (Instead of doing it when dentry is created, + its done only when the path is needed.). Real filesystems probably + dont want to use it, because their dentries are present in global + dcache hash, so their hash should be an invariant. As no lock is + held, d_dname() should not try to modify the dentry itself, unless + appropriate SMP safety is used. CAUTION : d_path() logic is quite + tricky. The correct way to return for example "Hello" is to put it + at the end of the buffer, and returns a pointer to the first char. + dynamic_dname() helper function is provided to take care of this. + +Example : + +static char *pipefs_dname(struct dentry *dent, char *buffer, int buflen) +{ + return dynamic_dname(dentry, buffer, buflen, "pipe:[%lu]", + dentry->d_inode->i_ino); +} + Each dentry has a pointer to its parent dentry, as well as a hash list of child dentries. Child dentries are basically like files in a directory. diff --git a/Documentation/ioctl-number.txt b/Documentation/ioctl-number.txt index 8f750c0efed..3de7d379cf0 100644 --- a/Documentation/ioctl-number.txt +++ b/Documentation/ioctl-number.txt @@ -138,7 +138,8 @@ Code Seq# Include File Comments 'm' 00-1F net/irda/irmod.h conflict! 'n' 00-7F linux/ncp_fs.h 'n' E0-FF video/matrox.h matroxfb -'p' 00-3F linux/mc146818rtc.h +'p' 00-0F linux/phantom.h conflict! (OpenHaptics needs this) +'p' 00-3F linux/mc146818rtc.h conflict! 'p' 40-7F linux/nvram.h 'p' 80-9F user-space parport <mailto:tim@cyberelk.net> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 38d7db3262c..6b8ad06846c 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -496,6 +496,30 @@ and is between 256 and 4096 characters. It is defined in the file Format: <area>[,<node>] See also Documentation/networking/decnet.txt. + default_blu= [VT] + Format: <blue0>,<blue1>,<blue2>,...,<blue15> + Change the default blue palette of the console. + This is a 16-member array composed of values + ranging from 0-255. + + default_grn= [VT] + Format: <green0>,<green1>,<green2>,...,<green15> + Change the default green palette of the console. + This is a 16-member array composed of values + ranging from 0-255. + + default_red= [VT] + Format: <red0>,<red1>,<red2>,...,<red15> + Change the default red palette of the console. + This is a 16-member array composed of values + ranging from 0-255. + + default_utf8= [VT] + Format=<0|1> + Set system-wide default UTF-8 mode for all tty's. + Default is 0 and by setting to 1, it enables UTF-8 + mode for all newly opened or allocated terminals. + dhash_entries= [KNL] Set number of hash buckets for dentry cache. @@ -816,6 +840,11 @@ and is between 256 and 4096 characters. It is defined in the file lasi= [HW,SCSI] PARISC LASI driver for the 53c700 chip Format: addr:<io>,irq:<irq> + legacy_serial.force [HW,IA-32,X86-64] + Probe for COM ports at legacy addresses even + if PNPBIOS or ACPI should describe them. This + is for working around firmware defects. + llsc*= [IA64] See function print_params() in arch/ia64/sn/kernel/llsc4.c. @@ -1578,6 +1607,17 @@ and is between 256 and 4096 characters. It is defined in the file smp-alt-once [IA-32,SMP] On a hotplug CPU system, only attempt to substitute SMP alternatives once at boot. + smsc-ircc2.nopnp [HW] Don't use PNP to discover SMC devices + smsc-ircc2.ircc_cfg= [HW] Device configuration I/O port + smsc-ircc2.ircc_sir= [HW] SIR base I/O port + smsc-ircc2.ircc_fir= [HW] FIR base I/O port + smsc-ircc2.ircc_irq= [HW] IRQ line + smsc-ircc2.ircc_dma= [HW] DMA channel + smsc-ircc2.ircc_transceiver= [HW] Transceiver type: + 0: Toshiba Satellite 1800 (GP data pin select) + 1: Fast pin select (default) + 2: ATC IRMode + snd-ad1816a= [HW,ALSA] snd-ad1848= [HW,ALSA] diff --git a/Documentation/kprobes.txt b/Documentation/kprobes.txt index d71fafffce9..da5404ab756 100644 --- a/Documentation/kprobes.txt +++ b/Documentation/kprobes.txt @@ -14,6 +14,7 @@ CONTENTS 8. Kprobes Example 9. Jprobes Example 10. Kretprobes Example +Appendix A: The kprobes debugfs interface 1. Concepts: Kprobes, Jprobes, Return Probes @@ -349,9 +350,12 @@ for instrumentation and error reporting.) If the number of times a function is called does not match the number of times it returns, registering a return probe on that function may -produce undesirable results. We have the do_exit() case covered. -do_execve() and do_fork() are not an issue. We're unaware of other -specific cases where this could be a problem. +produce undesirable results. In such a case, a line: +kretprobe BUG!: Processing kretprobe d000000000041aa8 @ c00000000004f48c +gets printed. With this information, one will be able to correlate the +exact instance of the kretprobe that caused the problem. We have the +do_exit() case covered. do_execve() and do_fork() are not an issue. +We're unaware of other specific cases where this could be a problem. If, upon entry to or exit from a function, the CPU is running on a stack other than that of the current task, registering a return @@ -614,3 +618,27 @@ http://www-106.ibm.com/developerworks/library/l-kprobes.html?ca=dgr-lnxw42Kprobe http://www.redhat.com/magazine/005mar05/features/kprobes/ http://www-users.cs.umn.edu/~boutcher/kprobes/ http://www.linuxsymposium.org/2006/linuxsymposium_procv2.pdf (pages 101-115) + + +Appendix A: The kprobes debugfs interface + +With recent kernels (> 2.6.20) the list of registered kprobes is visible +under the /debug/kprobes/ directory (assuming debugfs is mounted at /debug). + +/debug/kprobes/list: Lists all registered probes on the system + +c015d71a k vfs_read+0x0 +c011a316 j do_fork+0x0 +c03dedc5 r tcp_v4_rcv+0x0 + +The first column provides the kernel address where the probe is inserted. +The second column identifies the type of probe (k - kprobe, r - kretprobe +and j - jprobe), while the third column specifies the symbol+offset of +the probe. If the probed function belongs to a module, the module name +is also specified. + +/debug/kprobes/enabled: Turn kprobes ON/OFF + +Provides a knob to globally turn registered kprobes ON or OFF. By default, +all kprobes are enabled. By echoing "0" to this file, all registered probes +will be disarmed, till such time a "1" is echoed to this file. diff --git a/Documentation/laptop-mode.txt b/Documentation/laptop-mode.txt index 6f639e3473a..eeedee11c8c 100644 --- a/Documentation/laptop-mode.txt +++ b/Documentation/laptop-mode.txt @@ -33,7 +33,7 @@ or anything. Simply install all the files included in this document, and laptop mode will automatically be started when you're on battery. For your convenience, a tarball containing an installer can be downloaded at: -http://www.xs4all.nl/~bsamwel/laptop_mode/tools/ +http://www.samwel.tk/laptop_mode/laptop_mode/ To configure laptop mode, you need to edit the configuration file, which is located in /etc/default/laptop-mode on Debian-based systems, or in diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt index ea55ea8bc8e..7d5b60dea55 100644 --- a/Documentation/oops-tracing.txt +++ b/Documentation/oops-tracing.txt @@ -234,9 +234,6 @@ characters, each representing a particular tainted value. 6: 'B' if a page-release function has found a bad page reference or some unexpected page flags. - 7: 'U' if a user specifically requested that the Tainted flag be set, - ' ' otherwise. - 7: 'U' if a user or user application specifically requested that the Tainted flag be set, ' ' otherwise. diff --git a/Documentation/power/basic-pm-debugging.txt b/Documentation/power/basic-pm-debugging.txt new file mode 100644 index 00000000000..1a85e2b964d --- /dev/null +++ b/Documentation/power/basic-pm-debugging.txt @@ -0,0 +1,106 @@ +Debugging suspend and resume + (C) 2007 Rafael J. Wysocki <rjw@sisk.pl>, GPL + +1. Testing suspend to disk (STD) + +To verify that the STD works, you can try to suspend in the "reboot" mode: + +# echo reboot > /sys/power/disk +# echo disk > /sys/power/state + +and the system should suspend, reboot, resume and get back to the command prompt +where you have started the transition. If that happens, the STD is most likely +to work correctly, but you need to repeat the test at least a couple of times in +a row for confidence. This is necessary, because some problems only show up on +a second attempt at suspending and resuming the system. You should also test +the "platform" and "shutdown" modes of suspend: + +# echo platform > /sys/power/disk +# echo disk > /sys/power/state + +or + +# echo shutdown > /sys/power/disk +# echo disk > /sys/power/state + +in which cases you will have to press the power button to make the system +resume. If that does not work, you will need to identify what goes wrong. + +a) Test mode of STD + +To verify if there are any drivers that cause problems you can run the STD +in the test mode: + +# echo test > /sys/power/disk +# echo disk > /sys/power/state + +in which case the system should freeze tasks, suspend devices, disable nonboot +CPUs (if any), wait for 5 seconds, enable nonboot CPUs, resume devices, thaw +tasks and return to your command prompt. If that fails, most likely there is +a driver that fails to either suspend or resume (in the latter case the system +may hang or be unstable after the test, so please take that into consideration). +To find this driver, you can carry out a binary search according to the rules: +- if the test fails, unload a half of the drivers currently loaded and repeat +(that would probably involve rebooting the system, so always note what drivers +have been loaded before the test), +- if the test succeeds, load a half of the drivers you have unloaded most +recently and repeat. + +Once you have found the failing driver (there can be more than just one of +them), you have to unload it every time before the STD transition. In that case +please make sure to report the problem with the driver. + +It is also possible that a cycle can still fail after you have unloaded +all modules. In that case, you would want to look in your kernel configuration +for the drivers that can be compiled as modules (testing again with them as +modules), and possibly also try boot time options such as "noapic" or "noacpi". + +b) Testing minimal configuration + +If the test mode of STD works, you can boot the system with "init=/bin/bash" +and attempt to suspend in the "reboot", "shutdown" and "platform" modes. If +that does not work, there probably is a problem with a driver statically +compiled into the kernel and you can try to compile more drivers as modules, +so that they can be tested individually. Otherwise, there is a problem with a +modular driver and you can find it by loading a half of the modules you normally +use and binary searching in accordance with the algorithm: +- if there are n modules loaded and the attempt to suspend and resume fails, +unload n/2 of the modules and try again (that would probably involve rebooting +the system), +- if there are n modules loaded and the attempt to suspend and resume succeeds, +load n/2 modules more and try again. + +Again, if you find the offending module(s), it(they) must be unloaded every time +before the STD transition, and please report the problem with it(them). + +c) Advanced debugging + +In case the STD does not work on your system even in the minimal configuration +and compiling more drivers as modules is not practical or some modules cannot +be unloaded, you can use one of the more advanced debugging techniques to find +the problem. First, if there is a serial port in your box, you can set the +CONFIG_DISABLE_CONSOLE_SUSPEND kernel configuration option and try to log kernel +messages using the serial console. This may provide you with some information +about the reasons of the suspend (resume) failure. Alternatively, it may be +possible to use a FireWire port for debugging with firescope +(ftp://ftp.firstfloor.org/pub/ak/firescope/). On i386 it is also possible to +use the PM_TRACE mechanism documented in Documentation/s2ram.txt . + +2. Testing suspend to RAM (STR) + +To verify that the STR works, it is generally more convenient to use the s2ram +tool available from http://suspend.sf.net and documented at +http://en.opensuse.org/s2ram . However, before doing that it is recommended to +carry out the procedure described in section 1. + +Assume you have resolved the problems with the STD and you have found some +failing drivers. These drivers are also likely to fail during the STR or +during the resume, so it is better to unload them every time before the STR +transition. Now, you can follow the instructions at +http://en.opensuse.org/s2ram to test the system, but if it does not work +"out of the box", you may need to boot it with "init=/bin/bash" and test +s2ram in the minimal configuration. In that case, you may be able to search +for failing drivers by following the procedure analogous to the one described in +1b). If you find some failing drivers, you will have to unload them every time +before the STR transition (ie. before you run s2ram), and please report the +problems with them. diff --git a/Documentation/power/drivers-testing.txt b/Documentation/power/drivers-testing.txt new file mode 100644 index 00000000000..33016c2f18d --- /dev/null +++ b/Documentation/power/drivers-testing.txt @@ -0,0 +1,42 @@ +Testing suspend and resume support in device drivers + (C) 2007 Rafael J. Wysocki <rjw@sisk.pl>, GPL + +1. Preparing the test system + +Unfortunately, to effectively test the support for the system-wide suspend and +resume transitions in a driver, it is necessary to suspend and resume a fully +functional system with this driver loaded. Moreover, that should be done +several times, preferably several times in a row, and separately for the suspend +to disk (STD) and the suspend to RAM (STR) transitions, because each of these +cases involves different ordering of operations and different interactions with +the machine's BIOS. + +Of course, for this purpose the test system has to be known to suspend and +resume without the driver being tested. Thus, if possible, you should first +resolve all suspend/resume-related problems in the test system before you start +testing the new driver. Please see Documents/power/basic-pm-debugging.txt for +more information about the debugging of suspend/resume functionality. + +2. Testing the driver + +Once you have resolved the suspend/resume-related problems with your test system +without the new driver, you are ready to test it: + +a) Build the driver as a module, load it and try the STD in the test mode (see: +Documents/power/basic-pm-debugging.txt, 1a)). + +b) Load the driver and attempt to suspend to disk in the "reboot", "shutdown" +and "platform" modes (see: Documents/power/basic-pm-debugging.txt, 1). + +c) Compile the driver directly into the kernel and try the STD in the test mode. + +d) Attempt to suspend to disk with the driver compiled directly into the kernel +in the "reboot", "shutdown" and "platform" modes. + +e) Attempt to suspend to RAM using the s2ram tool with the driver loaded (see: +Documents/power/basic-pm-debugging.txt, 2). As far as the STR tests are +concerned, it should not matter whether or not the driver is built as a module. + +Each of the above tests should be repeated several times and the STD tests +should be mixed with the STR tests. If any of them fails, the driver cannot be +regarded as suspend/resume-safe. diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index 033a3f3b3ab..d4bfae75c94 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -1560,6 +1560,9 @@ platforms are moved over to use the flattened-device-tree model. network device. This is used by the bootwrapper to interpret MAC addresses passed by the firmware when no information other than indices is available to associate an address with a device. + - phy-connection-type : a string naming the controller/PHY interface type, + i.e., "mii" (default), "rmii", "gmii", "rgmii", "rgmii-id", "tbi", + or "rtbi". Example: ucc@2000 { @@ -1574,6 +1577,7 @@ platforms are moved over to use the flattened-device-tree model. rx-clock = "none"; tx-clock = "clk9"; phy-handle = <212000>; + phy-connection-type = "gmii"; pio-handle = <140001>; }; diff --git a/Documentation/rtc.txt b/Documentation/rtc.txt index 1ef6bb88cd0..7c701b88d6d 100644 --- a/Documentation/rtc.txt +++ b/Documentation/rtc.txt @@ -147,7 +147,7 @@ RTC class framework, but can't be supported by the older driver. * RTC_AIE_ON, RTC_AIE_OFF, RTC_ALM_SET, RTC_ALM_READ ... when the RTC is connected to an IRQ line, it can often issue an alarm IRQ up to - 24 hours in the future. + 24 hours in the future. (Use RTC_WKALM_* by preference.) * RTC_WKALM_SET, RTC_WKALM_RD ... RTCs that can issue alarms beyond the next 24 hours use a slightly more powerful API, which supports @@ -175,10 +175,7 @@ driver returns ENOIOCTLCMD. Some common examples: called with appropriate values. * RTC_ALM_SET, RTC_ALM_READ, RTC_WKALM_SET, RTC_WKALM_RD: the - set_alarm/read_alarm functions will be called. To differentiate - between the ALM and WKALM, check the larger fields of the rtc_wkalrm - struct (like tm_year). These will be set to -1 when using ALM and - will be set to proper values when using WKALM. + set_alarm/read_alarm functions will be called. * RTC_IRQP_SET, RTC_IRQP_READ: the irq_set_freq function will be called to set the frequency while the framework will handle the read for you diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary index ecc7c9eb9f2..795fbb48ffa 100644 --- a/Documentation/spi/spi-summary +++ b/Documentation/spi/spi-summary @@ -8,7 +8,7 @@ What is SPI? The "Serial Peripheral Interface" (SPI) is a synchronous four wire serial link used to connect microcontrollers to sensors, memory, and peripherals. -The three signal wires hold a clock (SCLK, often on the order of 10 MHz), +The three signal wires hold a clock (SCK, often on the order of 10 MHz), and parallel data lines with "Master Out, Slave In" (MOSI) or "Master In, Slave Out" (MISO) signals. (Other names are also used.) There are four clocking modes through which data is exchanged; mode-0 and mode-3 are most @@ -22,7 +22,7 @@ other signals, often including an interrupt to the master. Unlike serial busses like USB or SMBUS, even low level protocols for SPI slave functions are usually not interoperable between vendors -(except for cases like SPI memory chips). +(except for commodities like SPI memory chips). - SPI may be used for request/response style device protocols, as with touchscreen sensors and memory chips. @@ -77,8 +77,9 @@ cards without needing a special purpose MMC/SD/SDIO controller. How do these driver programming interfaces work? ------------------------------------------------ The <linux/spi/spi.h> header file includes kerneldoc, as does the -main source code, and you should certainly read that. This is just -an overview, so you get the big picture before the details. +main source code, and you should certainly read that chapter of the +kernel API document. This is just an overview, so you get the big +picture before those details. SPI requests always go into I/O queues. Requests for a given SPI device are always executed in FIFO order, and complete asynchronously through @@ -88,7 +89,7 @@ a command and then reading its response. There are two types of SPI driver, here called: - Controller drivers ... these are often built in to System-On-Chip + Controller drivers ... controllers may be built in to System-On-Chip processors, and often support both Master and Slave roles. These drivers touch hardware registers and may use DMA. Or they can be PIO bitbangers, needing just GPIO pins. @@ -108,18 +109,18 @@ those two types of driver. At this writing, Linux has no slave side programming interface. There is a minimal core of SPI programming interfaces, focussing on -using driver model to connect controller and protocol drivers using +using the driver model to connect controller and protocol drivers using device tables provided by board specific initialization code. SPI shows up in sysfs in several locations: - /sys/devices/.../CTLR/spiB.C ... spi_device for on bus "B", + /sys/devices/.../CTLR/spiB.C ... spi_device on bus "B", chipselect C, accessed through CTLR. /sys/devices/.../CTLR/spiB.C/modalias ... identifies the driver that should be used with this device (for hotplug/coldplug) /sys/bus/spi/devices/spiB.C ... symlink to the physical - spiB-C device + spiB.C device /sys/bus/spi/drivers/D ... driver for one or more spi*.* devices @@ -240,7 +241,7 @@ The board_info should provide enough information to let the system work without the chip's driver being loaded. The most troublesome aspect of that is likely the SPI_CS_HIGH bit in the spi_device.mode field, since sharing a bus with a device that interprets chipselect "backwards" is -not possible. +not possible until the infrastructure knows how to deselect it. Then your board initialization code would register that table with the SPI infrastructure, so that it's available later when the SPI master controller @@ -268,16 +269,14 @@ board info based on the board that was hotplugged. Of course, you'd later call at least spi_unregister_device() when that board is removed. When Linux includes support for MMC/SD/SDIO/DataFlash cards through SPI, those -configurations will also be dynamic. Fortunately, those devices all support -basic device identification probes, so that support should hotplug normally. +configurations will also be dynamic. Fortunately, such devices all support +basic device identification probes, so they should hotplug normally. How do I write an "SPI Protocol Driver"? ---------------------------------------- -All SPI drivers are currently kernel drivers. A userspace driver API -would just be another kernel driver, probably offering some lowlevel -access through aio_read(), aio_write(), and ioctl() calls and using the -standard userspace sysfs mechanisms to bind to a given SPI device. +Most SPI drivers are currently kernel drivers, but there's also support +for userspace drivers. Here we talk only about kernel drivers. SPI protocol drivers somewhat resemble platform device drivers: @@ -319,7 +318,8 @@ might look like this unless you're creating a class_device: As soon as it enters probe(), the driver may issue I/O requests to the SPI device using "struct spi_message". When remove() returns, -the driver guarantees that it won't submit any more such messages. +or after probe() fails, the driver guarantees that it won't submit +any more such messages. - An spi_message is a sequence of protocol operations, executed as one atomic sequence. SPI driver controls include: @@ -368,7 +368,8 @@ the driver guarantees that it won't submit any more such messages. Some drivers may need to modify spi_device characteristics like the transfer mode, wordsize, or clock rate. This is done with spi_setup(), which would normally be called from probe() before the first I/O is -done to the device. +done to the device. However, that can also be called at any time +that no message is pending for that device. While "spi_device" would be the bottom boundary of the driver, the upper boundaries might include sysfs (especially for sensor readings), @@ -445,11 +446,15 @@ SPI MASTER METHODS This sets up the device clock rate, SPI mode, and word sizes. Drivers may change the defaults provided by board_info, and then call spi_setup(spi) to invoke this routine. It may sleep. + Unless each SPI slave has its own configuration registers, don't + change them right away ... otherwise drivers could corrupt I/O + that's in progress for other SPI devices. master->transfer(struct spi_device *spi, struct spi_message *message) This must not sleep. Its responsibility is arrange that the - transfer happens and its complete() callback is issued; the two - will normally happen later, after other transfers complete. + transfer happens and its complete() callback is issued. The two + will normally happen later, after other transfers complete, and + if the controller is idle it will need to be kickstarted. master->cleanup(struct spi_device *spi) Your controller driver may use spi_device.controller_state to hold diff --git a/Documentation/spi/spidev b/Documentation/spi/spidev new file mode 100644 index 00000000000..5c8e1b988a0 --- /dev/null +++ b/Documentation/spi/spidev @@ -0,0 +1,307 @@ +SPI devices have a limited userspace API, supporting basic half-duplex +read() and write() access to SPI slave devices. Using ioctl() requests, +full duplex transfers and device I/O configuration are also available. + + #include <fcntl.h> + #include <unistd.h> + #include <sys/ioctl.h> + #include <linux/types.h> + #include <linux/spi/spidev.h> + +Some reasons you might want to use this programming interface include: + + * Prototyping in an environment that's not crash-prone; stray pointers + in userspace won't normally bring down any Linux system. + + * Developing simple protocols used to talk to microcontrollers acting + as SPI slaves, which you may need to change quite often. + +Of course there are drivers that can never be written in userspace, because +they need to access kernel interfaces (such as IRQ handlers or other layers +of the driver stack) that are not accessible to userspace. + + +DEVICE CREATION, DRIVER BINDING +=============================== +The simplest way to arrange to use this driver is to just list it in the +spi_board_info for a device as the driver it should use: the "modalias" +entry is "spidev", matching the name of the driver exposing this API. +Set up the other device characteristics (bits per word, SPI clocking, +chipselect polarity, etc) as usual, so you won't always need to override +them later. + +(Sysfs also supports userspace driven binding/unbinding of drivers to +devices. That mechanism might be supported here in the future.) + +When you do that, the sysfs node for the SPI device will include a child +device node with a "dev" attribute that will be understood by udev or mdev. +(Larger systems will have "udev". Smaller ones may configure "mdev" into +busybox; it's less featureful, but often enough.) For a SPI device with +chipselect C on bus B, you should see: + + /dev/spidevB.C ... character special device, major number 153 with + a dynamically chosen minor device number. This is the node + that userspace programs will open, created by "udev" or "mdev". + + /sys/devices/.../spiB.C ... as usual, the SPI device node will + be a child of its SPI master controller. + + /sys/class/spidev/spidevB.C ... created when the "spidev" driver + binds to that device. (Directory or symlink, based on whether + or not you enabled the "deprecated sysfs files" Kconfig option.) + +Do not try to manage the /dev character device special file nodes by hand. +That's error prone, and you'd need to pay careful attention to system +security issues; udev/mdev should already be configured securely. + +If you unbind the "spidev" driver from that device, those two "spidev" nodes +(in sysfs and in /dev) should automatically be removed (respectively by the +kernel and by udev/mdev). You can unbind by removing the "spidev" driver +module, which will affect all devices using this driver. You can also unbind +by having kernel code remove the SPI device, probably by removing the driver +for its SPI controller (so its spi_master vanishes). + +Since this is a standard Linux device driver -- even though it just happens +to expose a low level API to userspace -- it can be associated with any number +of devices at a time. Just provide one spi_board_info record for each such +SPI device, and you'll get a /dev device node for each device. + + +BASIC CHARACTER DEVICE API +========================== +Normal open() and close() operations on /dev/spidevB.D files work as you +would expect. + +Standard read() and write() operations are obviously only half-duplex, and +the chipselect is deactivated between those operations. Full-duplex access, +and composite operation without chipselect de-activation, is available using +the SPI_IOC_MESSAGE(N) request. + +Several ioctl() requests let your driver read or override the device's current +settings for data transfer parameters: + + SPI_IOC_RD_MODE, SPI_IOC_WR_MODE ... pass a pointer to a byte which will + return (RD) or assign (WR) the SPI transfer mode. Use the constants + SPI_MODE_0..SPI_MODE_3; or if you prefer you can combine SPI_CPOL + (clock polarity, idle high iff this is set) or SPI_CPHA (clock phase, + sample on trailing edge iff this is set) flags. + + SPI_IOC_RD_LSB_FIRST, SPI_IOC_WR_LSB_FIRST ... pass a pointer to a byte + which will return (RD) or assign (WR) the bit justification used to + transfer SPI words. Zero indicates MSB-first; other values indicate + the less common LSB-first encoding. In both cases the specified value + is right-justified in each word, so that unused (TX) or undefined (RX) + bits are in the MSBs. + + SPI_IOC_RD_BITS_PER_WORD, SPI_IOC_WR_BITS_PER_WORD ... pass a pointer to + a byte which will return (RD) or assign (WR) the number of bits in + each SPI transfer word. The value zero signifies eight bits. + + SPI_IOC_RD_MAX_SPEED_HZ, SPI_IOC_WR_MAX_SPEED_HZ ... pass a pointer to a + u32 which will return (RD) or assign (WR) the maximum SPI transfer + speed, in Hz. The controller can't necessarily assign that specific + clock speed. + +NOTES: + + - At this time there is no async I/O support; everything is purely + synchronous. + + - There's currently no way to report the actual bit rate used to + shift data to/from a given device. + + - From userspace, you can't currently change the chip select polarity; + that could corrupt transfers to other devices sharing the SPI bus. + Each SPI device is deselected when it's not in active use, allowing + other drivers to talk to other devices. + + - There's a limit on the number of bytes each I/O request can transfer + to the SPI device. It defaults to one page, but that can be changed + using a module parameter. + + - Because SPI has no low-level transfer acknowledgement, you usually + won't see any I/O errors when talking to a non-existent device. + + +FULL DUPLEX CHARACTER DEVICE API +================================ + +See the sample program below for one example showing the use of the full +duplex programming interface. (Although it doesn't perform a full duplex +transfer.) The model is the same as that used in the kernel spi_sync() +request; the individual transfers offer the same capabilities as are +available to kernel drivers (except that it's not asynchronous). + +The example shows one half-duplex RPC-style request and response message. +These requests commonly require that the chip not be deselected between +the request and response. Several such requests could be chained into +a single kernel request, even allowing the chip to be deselected after +each response. (Other protocol options include changing the word size +and bitrate for each transfer segment.) + +To make a full duplex request, provide both rx_buf and tx_buf for the +same transfer. It's even OK if those are the same buffer. + + +SAMPLE PROGRAM +============== + +-------------------------------- CUT HERE +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <fcntl.h> +#include <string.h> + +#include <sys/ioctl.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include <linux/types.h> +#include <linux/spi/spidev.h> + + +static int verbose; + +static void do_read(int fd, int len) +{ + unsigned char buf[32], *bp; + int status; + + /* read at least 2 bytes, no more than 32 */ + if (len < 2) + len = 2; + else if (len > sizeof(buf)) + len = sizeof(buf); + memset(buf, 0, sizeof buf); + + status = read(fd, buf, len); + if (status < 0) { + perror("read"); + return; + } + if (status != len) { + fprintf(stderr, "short read\n"); + return; + } + + printf("read(%2d, %2d): %02x %02x,", len, status, + buf[0], buf[1]); + status -= 2; + bp = buf + 2; + while (status-- > 0) + printf(" %02x", *bp++); + printf("\n"); +} + +static void do_msg(int fd, int len) +{ + struct spi_ioc_transfer xfer[2]; + unsigned char buf[32], *bp; + int status; + + memset(xfer, 0, sizeof xfer); + memset(buf, 0, sizeof buf); + + if (len > sizeof buf) + len = sizeof buf; + + buf[0] = 0xaa; + xfer[0].tx_buf = (__u64) buf; + xfer[0].len = 1; + + xfer[1].rx_buf = (__u64) buf; + xfer[1].len = len; + + status = ioctl(fd, SPI_IOC_MESSAGE(2), xfer); + if (status < 0) { + perror("SPI_IOC_MESSAGE"); + return; + } + + printf("response(%2d, %2d): ", len, status); + for (bp = buf; len; len--) + printf(" %02x", *bp++); + printf("\n"); +} + +static void dumpstat(const char *name, int fd) +{ + __u8 mode, lsb, bits; + __u32 speed; + + if (ioctl(fd, SPI_IOC_RD_MODE, &mode) < 0) { + perror("SPI rd_mode"); + return; + } + if (ioctl(fd, SPI_IOC_RD_LSB_FIRST, &lsb) < 0) { + perror("SPI rd_lsb_fist"); + return; + } + if (ioctl(fd, SPI_IOC_RD_BITS_PER_WORD, &bits) < 0) { + perror("SPI bits_per_word"); + return; + } + if (ioctl(fd, SPI_IOC_RD_MAX_SPEED_HZ, &speed) < 0) { + perror("SPI max_speed_hz"); + return; + } + + printf("%s: spi mode %d, %d bits %sper word, %d Hz max\n", + name, mode, bits, lsb ? "(lsb first) " : "", speed); +} + +int main(int argc, char **argv) +{ + int c; + int readcount = 0; + int msglen = 0; + int fd; + const char *name; + + while ((c = getopt(argc, argv, "hm:r:v")) != EOF) { + switch (c) { + case 'm': + msglen = atoi(optarg); + if (msglen < 0) + goto usage; + continue; + case 'r': + readcount = atoi(optarg); + if (readcount < 0) + goto usage; + continue; + case 'v': + verbose++; + continue; + case 'h': + case '?': +usage: + fprintf(stderr, + "usage: %s [-h] [-m N] [-r N] /dev/spidevB.D\n", + argv[0]); + return 1; + } + } + + if ((optind + 1) != argc) + goto usage; + name = argv[optind]; + + fd = open(name, O_RDWR); + if (fd < 0) { + perror("open"); + return 1; + } + + dumpstat(name, fd); + + if (msglen) + do_msg(fd, msglen); + + if (readcount) + do_read(fd, readcount); + + close(fd); + return 0; +} diff --git a/Documentation/tty.txt b/Documentation/tty.txt index 5f799e612e0..048a8762cfb 100644 --- a/Documentation/tty.txt +++ b/Documentation/tty.txt @@ -108,7 +108,9 @@ hardware driver through the function pointers within the tty->driver structure: write() Write a block of characters to the tty device. - Returns the number of characters accepted. + Returns the number of characters accepted. The + character buffer passed to this method is already + in kernel space. put_char() Queues a character for writing to the tty device. If there is no room in the queue, the character is diff --git a/MAINTAINERS b/MAINTAINERS index 6d665ac13f9..69f3f66091b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -382,6 +382,12 @@ L: linux-laptop@vger.kernel.org W: http://www.canb.auug.org.au/~sfr/ S: Supported +APPLE SMC DRIVER +P: Nicolas Boichat +M: nicolas@boichat.ch +L: mactel-linux-devel@lists.sourceforge.net +S: Maintained + APPLETALK NETWORK LAYER P: Arnaldo Carvalho de Melo M: acme@ghostprotocols.net @@ -673,6 +679,7 @@ AUXILIARY DISPLAY DRIVERS P: Miguel Ojeda Sandonis M: maxextreme@gmail.com L: linux-kernel@vger.kernel.org +W: http://auxdisplay.googlepages.com/ S: Maintained AVR32 ARCHITECTURE @@ -937,12 +944,14 @@ CFAG12864B LCD DRIVER P: Miguel Ojeda Sandonis M: maxextreme@gmail.com L: linux-kernel@vger.kernel.org +W: http://auxdisplay.googlepages.com/ S: Maintained CFAG12864BFB LCD FRAMEBUFFER DRIVER P: Miguel Ojeda Sandonis M: maxextreme@gmail.com L: linux-kernel@vger.kernel.org +W: http://auxdisplay.googlepages.com/ S: Maintained CFG80211 and NL80211 @@ -2021,7 +2030,7 @@ P: Vivek Goyal M: vgoyal@in.ibm.com P: Haren Myneni M: hbabu@us.ibm.com -L: fastboot@lists.linux-foundation.org +L: kexec@lists.infradead.org L: linux-kernel@vger.kernel.org W: http://lse.sourceforge.net/kdump/ S: Maintained @@ -2071,7 +2080,7 @@ P: Eric Biederman M: ebiederm@xmission.com W: http://www.xmission.com/~ebiederm/files/kexec/ L: linux-kernel@vger.kernel.org -L: fastboot@lists.linux-foundation.org +L: kexec@lists.infradead.org S: Maintained KPROBES @@ -2090,6 +2099,7 @@ KS0108 LCD CONTROLLER DRIVER P: Miguel Ojeda Sandonis M: maxextreme@gmail.com L: linux-kernel@vger.kernel.org +W: http://auxdisplay.googlepages.com/ S: Maintained LAPB module @@ -3098,6 +3108,11 @@ L: selinux@tycho.nsa.gov (subscribers-only, general discussion) W: http://www.nsa.gov/selinux S: Supported +SENSABLE PHANTOM +P: Jiri Slaby +M: jirislaby@gmail.com +S: Maintained + SERIAL ATA (SATA) SUBSYSTEM: P: Jeff Garzik M: jgarzik@pobox.com diff --git a/arch/alpha/Kconfig.debug b/arch/alpha/Kconfig.debug index 36d0106c32e..f45f28cc10d 100644 --- a/arch/alpha/Kconfig.debug +++ b/arch/alpha/Kconfig.debug @@ -16,14 +16,6 @@ config DEBUG_RWLOCK too many attempts. If you suspect a rwlock problem or a kernel hacker asks for this option then say Y. Otherwise say N. -config DEBUG_SEMAPHORE - bool "Semaphore debugging" - depends on DEBUG_KERNEL - help - If you say Y here then semaphore processing will issue lots of - verbose debugging messages. If you suspect a semaphore problem or a - kernel hacker asks for this option then say Y. Otherwise say N. - config ALPHA_LEGACY_START_ADDRESS bool "Legacy kernel start address" depends on ALPHA_GENERIC diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index ea405f5713c..ce857158c1e 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -953,15 +953,25 @@ osf_setitimer(int which, struct itimerval32 __user *in, struct itimerval32 __use asmlinkage int osf_utimes(char __user *filename, struct timeval32 __user *tvs) { - struct timeval ktvs[2]; + struct timespec tv[2]; if (tvs) { + struct timeval ktvs[2]; if (get_tv32(&ktvs[0], &tvs[0]) || get_tv32(&ktvs[1], &tvs[1])) return -EFAULT; + + if (ktvs[0].tv_usec < 0 || ktvs[0].tv_usec >= 1000000 || + ktvs[1].tv_usec < 0 || ktvs[1].tv_usec >= 1000000) + return -EINVAL; + + tv[0].tv_sec = ktvs[0].tv_sec; + tv[0].tv_nsec = 1000 * ktvs[0].tv_usec; + tv[1].tv_sec = ktvs[1].tv_sec; + tv[1].tv_nsec = 1000 * ktvs[1].tv_usec; } - return do_utimes(AT_FDCWD, filename, tvs ? ktvs : NULL); + return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL, 0); } #define MAX_SELECT_SECONDS \ diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index c1518639069..92b61629fe3 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -14,7 +14,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index d352c2b05f1..915f26345c4 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -744,15 +744,6 @@ setup_arch(char **cmdline_p) paging_init(); } -void __init -disable_early_printk(void) -{ - if (alpha_using_srm && srmcons_output) { - unregister_srm_console(); - srmcons_output = 0; - } -} - static char sys_unknown[] = "Unknown"; static char systype_names[][16] = { "0", diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index 741da0945dc..7f64aa767d5 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -15,7 +15,6 @@ #include <linux/unistd.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/tty.h> #include <linux/binfmts.h> diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index d1ec4f51df1..80cfb758ee2 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -18,7 +18,6 @@ #include <linux/mm.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/delay.h> diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c index 85a821aaceb..930cedc8be2 100644 --- a/arch/alpha/kernel/srmcons.c +++ b/arch/alpha/kernel/srmcons.c @@ -300,7 +300,7 @@ static struct console srmcons = { .write = srm_console_write, .device = srm_console_device, .setup = srm_console_setup, - .flags = CON_PRINTBUFFER, + .flags = CON_PRINTBUFFER | CON_BOOT, .index = -1, }; diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c index 8aa9db834c1..f5862792a16 100644 --- a/arch/alpha/mm/fault.c +++ b/arch/alpha/mm/fault.c @@ -21,7 +21,6 @@ #include <linux/ptrace.h> #include <linux/mman.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/module.h> diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 13af4006a40..6f2f46c2e40 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/user.h> #include <linux/security.h> diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index f05e66b0f86..10ff36e4e41 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -245,8 +245,8 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) do_exit(SIGSEGV); } -void notify_die(const char *str, struct pt_regs *regs, struct siginfo *info, - unsigned long err, unsigned long trap) +void arm_notify_die(const char *str, struct pt_regs *regs, + struct siginfo *info, unsigned long err, unsigned long trap) { if (user_mode(regs)) { current->thread.error_code = err; @@ -330,7 +330,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) info.si_code = ILL_ILLOPC; info.si_addr = pc; - notify_die("Oops - undefined instruction", regs, &info, 0, 6); + arm_notify_die("Oops - undefined instruction", regs, &info, 0, 6); } asmlinkage void do_unexp_fiq (struct pt_regs *regs) @@ -384,7 +384,7 @@ static int bad_syscall(int n, struct pt_regs *regs) info.si_addr = (void __user *)instruction_pointer(regs) - (thumb_mode(regs) ? 2 : 4); - notify_die("Oops - bad syscall", regs, &info, n, 0); + arm_notify_die("Oops - bad syscall", regs, &info, n, 0); return regs->ARM_r0; } @@ -428,7 +428,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) info.si_code = SEGV_MAPERR; info.si_addr = NULL; - notify_die("branch through zero", regs, &info, 0, 0); + arm_notify_die("branch through zero", regs, &info, 0, 0); return 0; case NR(breakpoint): /* SWI BREAK_POINT */ @@ -564,7 +564,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) info.si_addr = (void __user *)instruction_pointer(regs) - (thumb_mode(regs) ? 2 : 4); - notify_die("Oops - bad syscall(2)", regs, &info, no, 0); + arm_notify_die("Oops - bad syscall(2)", regs, &info, no, 0); return 0; } @@ -638,7 +638,7 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs) info.si_code = ILL_ILLOPC; info.si_addr = (void __user *)addr; - notify_die("unknown data abort code", regs, &info, instr, 0); + arm_notify_die("unknown data abort code", regs, &info, instr, 0); } void __attribute__((noreturn)) __bug(const char *file, int line) diff --git a/arch/arm/mach-aaec2000/core.c b/arch/arm/mach-aaec2000/core.c index a950160fcfb..0446ef2f5bd 100644 --- a/arch/arm/mach-aaec2000/core.c +++ b/arch/arm/mach-aaec2000/core.c @@ -142,7 +142,7 @@ aaec2000_timer_interrupt(int irq, void *dev_id) static struct irqaction aaec2000_timer_irq = { .name = "AAEC-2000 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = aaec2000_timer_interrupt, }; diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index 949199a244c..a6340357585 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -87,7 +87,7 @@ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id) static struct irqaction at91rm9200_timer_irq = { .name = "at91_tick", - .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = at91rm9200_timer_interrupt }; diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c index a4dded27fa1..5c090c9442f 100644 --- a/arch/arm/mach-at91/at91sam926x_time.c +++ b/arch/arm/mach-at91/at91sam926x_time.c @@ -66,7 +66,7 @@ static irqreturn_t at91sam926x_timer_interrupt(int irq, void *dev_id) static struct irqaction at91sam926x_timer_irq = { .name = "at91_tick", - .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = at91sam926x_timer_interrupt }; diff --git a/arch/arm/mach-clps711x/time.c b/arch/arm/mach-clps711x/time.c index 428493dd468..f428af7545b 100644 --- a/arch/arm/mach-clps711x/time.c +++ b/arch/arm/mach-clps711x/time.c @@ -58,7 +58,7 @@ p720t_timer_interrupt(int irq, void *dev_id) static struct irqaction clps711x_timer_irq = { .name = "CLPS711x Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = p720t_timer_interrupt, }; diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c index 231b9000473..4dde34f25e6 100644 --- a/arch/arm/mach-clps7500/core.c +++ b/arch/arm/mach-clps7500/core.c @@ -316,7 +316,7 @@ clps7500_timer_interrupt(int irq, void *dev_id) static struct irqaction clps7500_timer_irq = { .name = "CLPS7500 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = clps7500_timer_interrupt, }; diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c index 8459431cfd7..8c1b5690dfe 100644 --- a/arch/arm/mach-ebsa110/core.c +++ b/arch/arm/mach-ebsa110/core.c @@ -199,7 +199,7 @@ ebsa110_timer_interrupt(int irq, void *dev_id) static struct irqaction ebsa110_timer_irq = { .name = "EBSA110 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = ebsa110_timer_interrupt, }; diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 829aed696d9..851cc7158ca 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -116,7 +116,7 @@ static int ep93xx_timer_interrupt(int irq, void *dev_id) static struct irqaction ep93xx_timer_irq = { .name = "ep93xx timer", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = ep93xx_timer_interrupt, }; diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c index fa6be870c6c..3a63941d43b 100644 --- a/arch/arm/mach-footbridge/dc21285-timer.c +++ b/arch/arm/mach-footbridge/dc21285-timer.c @@ -44,7 +44,7 @@ timer1_interrupt(int irq, void *dev_id) static struct irqaction footbridge_timer_irq = { .name = "Timer1 timer tick", .handler = timer1_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, }; /* diff --git a/arch/arm/mach-footbridge/isa-timer.c b/arch/arm/mach-footbridge/isa-timer.c index d884a3954fb..d08d64139d0 100644 --- a/arch/arm/mach-footbridge/isa-timer.c +++ b/arch/arm/mach-footbridge/isa-timer.c @@ -73,7 +73,7 @@ isa_timer_interrupt(int irq, void *dev_id) static struct irqaction isa_timer_irq = { .name = "ISA timer tick", .handler = isa_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, }; static void __init isa_timer_init(void) diff --git a/arch/arm/mach-h720x/cpu-h7201.c b/arch/arm/mach-h720x/cpu-h7201.c index 13f76bdb3d9..9107b8e2ad6 100644 --- a/arch/arm/mach-h720x/cpu-h7201.c +++ b/arch/arm/mach-h720x/cpu-h7201.c @@ -41,7 +41,7 @@ h7201_timer_interrupt(int irq, void *dev_id) static struct irqaction h7201_timer_irq = { .name = "h7201 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = h7201_timer_interrupt, }; diff --git a/arch/arm/mach-h720x/cpu-h7202.c b/arch/arm/mach-h720x/cpu-h7202.c index 703870f30ad..82e420d6fd1 100644 --- a/arch/arm/mach-h720x/cpu-h7202.c +++ b/arch/arm/mach-h720x/cpu-h7202.c @@ -170,7 +170,7 @@ static struct irq_chip h7202_timerx_chip = { static struct irqaction h7202_timer_irq = { .name = "h7202 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = h7202_timer_interrupt, }; diff --git a/arch/arm/mach-imx/time.c b/arch/arm/mach-imx/time.c index 2703a730baf..6960a9d0421 100644 --- a/arch/arm/mach-imx/time.c +++ b/arch/arm/mach-imx/time.c @@ -56,7 +56,7 @@ imx_timer_interrupt(int irq, void *dev_id) static struct irqaction imx_timer_irq = { .name = "i.MX Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = imx_timer_interrupt, }; diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index 8d880cb9ba3..897c21c2fb5 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -282,7 +282,7 @@ integrator_timer_interrupt(int irq, void *dev_id) static struct irqaction integrator_timer_irq = { .name = "Integrator Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = integrator_timer_interrupt, }; diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c index 9cf2498dc99..cb6ad211887 100644 --- a/arch/arm/mach-ixp2000/core.c +++ b/arch/arm/mach-ixp2000/core.c @@ -224,7 +224,7 @@ static int ixp2000_timer_interrupt(int irq, void *dev_id) static struct irqaction ixp2000_timer_irq = { .name = "IXP2000 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = ixp2000_timer_interrupt, }; diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c index ce6ad635a00..b644bbab7d0 100644 --- a/arch/arm/mach-ixp23xx/core.c +++ b/arch/arm/mach-ixp23xx/core.c @@ -363,7 +363,7 @@ ixp23xx_timer_interrupt(int irq, void *dev_id) static struct irqaction ixp23xx_timer_irq = { .name = "IXP23xx Timer Tick", .handler = ixp23xx_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, }; void __init ixp23xx_init_timer(void) diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index f5cae1e46b7..64685da1462 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -279,7 +279,7 @@ static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id) static struct irqaction ixp4xx_timer_irq = { .name = "timer1", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = ixp4xx_timer_interrupt, }; diff --git a/arch/arm/mach-lh7a40x/time.c b/arch/arm/mach-lh7a40x/time.c index bef3c4b68d3..c25316d0253 100644 --- a/arch/arm/mach-lh7a40x/time.c +++ b/arch/arm/mach-lh7a40x/time.c @@ -53,7 +53,7 @@ lh7a40x_timer_interrupt(int irq, void *dev_id) static struct irqaction lh7a40x_timer_irq = { .name = "LHA740x Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = lh7a40x_timer_interrupt, }; diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c index 7e132fcccd4..4762e207b0b 100644 --- a/arch/arm/mach-netx/time.c +++ b/arch/arm/mach-netx/time.c @@ -47,7 +47,7 @@ netx_timer_interrupt(int irq, void *dev_id) static struct irqaction netx_timer_irq = { .name = "NetX Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = netx_timer_interrupt, }; diff --git a/arch/arm/mach-ns9xxx/time.c b/arch/arm/mach-ns9xxx/time.c index eec05f18714..dd257084441 100644 --- a/arch/arm/mach-ns9xxx/time.c +++ b/arch/arm/mach-ns9xxx/time.c @@ -53,7 +53,7 @@ static unsigned long ns9xxx_timer_gettimeoffset(void) static struct irqaction ns9xxx_timer_irq = { .name = "NS9xxx Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = ns9xxx_timer_interrupt, }; diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c index 85e048b259f..3705d20c4e5 100644 --- a/arch/arm/mach-omap1/time.c +++ b/arch/arm/mach-omap1/time.c @@ -179,7 +179,7 @@ static irqreturn_t omap_mpu_timer1_interrupt(int irq, void *dev_id) static struct irqaction omap_mpu_timer1_irq = { .name = "mpu_timer1", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = omap_mpu_timer1_interrupt, }; diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c index 45d1aaa51b5..62e801ef9ad 100644 --- a/arch/arm/mach-omap2/timer-gp.c +++ b/arch/arm/mach-omap2/timer-gp.c @@ -52,7 +52,7 @@ static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id) static struct irqaction omap2_gp_timer_irq = { .name = "gp timer", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = omap2_gp_timer_interrupt, }; diff --git a/arch/arm/mach-pnx4008/time.c b/arch/arm/mach-pnx4008/time.c index 8621c206ac8..67e05f005a6 100644 --- a/arch/arm/mach-pnx4008/time.c +++ b/arch/arm/mach-pnx4008/time.c @@ -82,7 +82,7 @@ static irqreturn_t pnx4008_timer_interrupt(int irq, void *dev_id) static struct irqaction pnx4008_timer_irq = { .name = "PNX4008 Tick Timer", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = pnx4008_timer_interrupt }; diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c index fc3b82a740a..5248abe334d 100644 --- a/arch/arm/mach-pxa/time.c +++ b/arch/arm/mach-pxa/time.c @@ -97,7 +97,7 @@ pxa_timer_interrupt(int irq, void *dev_id) static struct irqaction pxa_timer_irq = { .name = "PXA Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = pxa_timer_interrupt, }; diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 84d3fe76e94..c7f1b44da40 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -549,7 +549,7 @@ static irqreturn_t realview_timer_interrupt(int irq, void *dev_id) static struct irqaction realview_timer_irq = { .name = "RealView Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = realview_timer_interrupt, }; diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c index b034ad69a32..b72fee0f253 100644 --- a/arch/arm/mach-sa1100/h3600.c +++ b/arch/arm/mach-sa1100/h3600.c @@ -740,7 +740,7 @@ static void h3800_IRQ_demux(unsigned int irq, struct irq_desc *desc) static struct irqaction h3800_irq = { .name = "h3800_asic", .handler = h3800_IRQ_demux, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, }; u32 kpio_int_shadow = 0; diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c index 29c89f9eb2c..416e277054c 100644 --- a/arch/arm/mach-sa1100/time.c +++ b/arch/arm/mach-sa1100/time.c @@ -111,7 +111,7 @@ sa1100_timer_interrupt(int irq, void *dev_id) static struct irqaction sa1100_timer_irq = { .name = "SA11xx Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = sa1100_timer_interrupt, }; diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c index 0e480fae8ec..a0545db2a34 100644 --- a/arch/arm/mach-shark/core.c +++ b/arch/arm/mach-shark/core.c @@ -90,7 +90,7 @@ shark_timer_interrupt(int irq, void *dev_id) static struct irqaction shark_timer_irq = { .name = "Shark Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = shark_timer_interrupt, }; diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 1275aa7d2eb..a7dd09436cb 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -891,7 +891,7 @@ static irqreturn_t versatile_timer_interrupt(int irq, void *dev_id) static struct irqaction versatile_timer_irq = { .name = "Versatile Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = versatile_timer_interrupt, }; diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 5d9ce7deb4a..75d491448e4 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -453,7 +453,7 @@ do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs) info.si_errno = 0; info.si_code = inf->code; info.si_addr = (void __user *)addr; - notify_die("", regs, &info, fsr, 0); + arm_notify_die("", regs, &info, fsr, 0); } asmlinkage void __exception diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c index 0cc26da034a..100d57ad98e 100644 --- a/arch/arm/plat-iop/time.c +++ b/arch/arm/plat-iop/time.c @@ -75,7 +75,7 @@ iop_timer_interrupt(int irq, void *dev_id) static struct irqaction iop_timer_irq = { .name = "IOP Timer Tick", .handler = iop_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, }; void __init iop_init_time(unsigned long tick_rate) diff --git a/arch/arm/plat-omap/timer32k.c b/arch/arm/plat-omap/timer32k.c index 114f87151d6..2feceec8ecc 100644 --- a/arch/arm/plat-omap/timer32k.c +++ b/arch/arm/plat-omap/timer32k.c @@ -215,7 +215,7 @@ static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id) static struct irqaction omap_32k_timer_irq = { .name = "32KHz timer", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = omap_32k_timer_interrupt, }; diff --git a/arch/arm/plat-s3c24xx/time.c b/arch/arm/plat-s3c24xx/time.c index c523d1c9cce..b7667375bce 100644 --- a/arch/arm/plat-s3c24xx/time.c +++ b/arch/arm/plat-s3c24xx/time.c @@ -138,7 +138,7 @@ s3c2410_timer_interrupt(int irq, void *dev_id) static struct irqaction s3c2410_timer_irq = { .name = "S3C2410 Timer Tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .handler = s3c2410_timer_interrupt, }; diff --git a/arch/arm26/kernel/armksyms.c b/arch/arm26/kernel/armksyms.c index 93293d04b30..f735d7e018e 100644 --- a/arch/arm26/kernel/armksyms.c +++ b/arch/arm26/kernel/armksyms.c @@ -20,7 +20,6 @@ #include <linux/pm.h> #include <linux/tty.h> #include <linux/vt_kern.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <asm/byteorder.h> diff --git a/arch/arm26/kernel/ptrace.c b/arch/arm26/kernel/ptrace.c index 9343889b27f..41692795672 100644 --- a/arch/arm26/kernel/ptrace.c +++ b/arch/arm26/kernel/ptrace.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/user.h> #include <linux/security.h> diff --git a/arch/arm26/kernel/signal.c b/arch/arm26/kernel/signal.c index 6a8ef8da6da..379b82dc645 100644 --- a/arch/arm26/kernel/signal.c +++ b/arch/arm26/kernel/signal.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/signal.h> diff --git a/arch/arm26/mm/memc.c b/arch/arm26/mm/memc.c index f2901581d4d..42505541a9b 100644 --- a/arch/arm26/mm/memc.c +++ b/arch/arm26/mm/memc.c @@ -176,13 +176,9 @@ void __init pgtable_cache_init(void) { pte_cache = kmem_cache_create("pte-cache", sizeof(pte_t) * PTRS_PER_PTE, - 0, 0, pte_cache_ctor, NULL); - if (!pte_cache) - BUG(); + 0, SLAB_PANIC, pte_cache_ctor, NULL); pgd_cache = kmem_cache_create("pgd-cache", MEMC_TABLE_SIZE + sizeof(pgd_t) * PTRS_PER_PGD, - 0, 0, pgd_cache_ctor, NULL); - if (!pgd_cache) - BUG(); + 0, SLAB_PANIC, pgd_cache_ctor, NULL); } diff --git a/arch/avr32/kernel/kprobes.c b/arch/avr32/kernel/kprobes.c index d0abbcaf1c1..004c94b6fc1 100644 --- a/arch/avr32/kernel/kprobes.c +++ b/arch/avr32/kernel/kprobes.c @@ -15,7 +15,7 @@ #include <linux/ptrace.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/ocd.h> DEFINE_PER_CPU(struct kprobe *, current_kprobe); diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c index 6f4388f7c20..8ac74dddbbd 100644 --- a/arch/avr32/kernel/ptrace.c +++ b/arch/avr32/kernel/ptrace.c @@ -9,7 +9,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/errno.h> #include <linux/user.h> @@ -21,7 +20,7 @@ #include <asm/uaccess.h> #include <asm/ocd.h> #include <asm/mmu_context.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> static struct pt_regs *get_user_regs(struct task_struct *tsk) { @@ -300,7 +299,7 @@ asmlinkage void do_debug_priv(struct pt_regs *regs) else die_val = DIE_BREAKPOINT; - if (notify_die(die_val, regs, 0, SIGTRAP) == NOTIFY_STOP) + if (notify_die(die_val, "ptrace", regs, 0, 0, SIGTRAP) == NOTIFY_STOP) return; if (likely(ds & DS_SSS)) { diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c index 4f0382d8483..4de9edf96ed 100644 --- a/arch/avr32/kernel/traps.c +++ b/arch/avr32/kernel/traps.c @@ -20,20 +20,6 @@ #include <asm/sysreg.h> #include <asm/traps.h> -ATOMIC_NOTIFIER_HEAD(avr32_die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&avr32_die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&avr32_die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); - static DEFINE_SPINLOCK(die_lock); void NORET_TYPE die(const char *str, struct pt_regs *regs, long err) diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c index 146ebdbdc30..88b00b15970 100644 --- a/arch/avr32/mm/fault.c +++ b/arch/avr32/mm/fault.c @@ -13,7 +13,7 @@ #include <linux/module.h> #include <linux/pagemap.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/mmu_context.h> #include <asm/sysreg.h> #include <asm/tlb.h> diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c index 961c0d58ded..fd2129a0458 100644 --- a/arch/cris/arch-v10/kernel/ptrace.c +++ b/arch/cris/arch-v10/kernel/ptrace.c @@ -6,7 +6,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c index 19bcad05716..41d4a5f9328 100644 --- a/arch/cris/arch-v10/kernel/signal.c +++ b/arch/cris/arch-v10/kernel/signal.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/cris/arch-v32/drivers/pci/dma.c b/arch/cris/arch-v32/drivers/pci/dma.c index 70d3bf0c92e..832fc63504d 100644 --- a/arch/cris/arch-v32/drivers/pci/dma.c +++ b/arch/cris/arch-v32/drivers/pci/dma.c @@ -76,7 +76,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, { void __iomem *mem_base; int pages = size >> PAGE_SHIFT; - int bitmap_size = (pages + 31)/32; + int bitmap_size = BITS_TO_LONGS(pages) * sizeof(long); if ((flags & (DMA_MEMORY_MAP | DMA_MEMORY_IO)) == 0) goto out; diff --git a/arch/cris/arch-v32/kernel/ptrace.c b/arch/cris/arch-v32/kernel/ptrace.c index 82cf2e3624a..d4d57b74133 100644 --- a/arch/cris/arch-v32/kernel/ptrace.c +++ b/arch/cris/arch-v32/kernel/ptrace.c @@ -6,7 +6,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/cris/kernel/crisksyms.c b/arch/cris/kernel/crisksyms.c index 1f20c16ac2a..105bb5ed48f 100644 --- a/arch/cris/kernel/crisksyms.c +++ b/arch/cris/kernel/crisksyms.c @@ -4,7 +4,6 @@ #include <linux/sched.h> #include <linux/in6.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/pm.h> #include <linux/kernel.h> #include <linux/string.h> diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c index 2b6363cbe98..1085d037027 100644 --- a/arch/cris/kernel/ptrace.c +++ b/arch/cris/kernel/ptrace.c @@ -67,7 +67,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/frv/kernel/irq.c b/arch/frv/kernel/irq.c index 87f360a4ea2..c7e59dcadee 100644 --- a/arch/frv/kernel/irq.c +++ b/arch/frv/kernel/irq.c @@ -18,7 +18,6 @@ #include <linux/timex.h> #include <linux/slab.h> #include <linux/random.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/irq.h> diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c index fcff819b434..ce88fb95ee5 100644 --- a/arch/frv/kernel/ptrace.c +++ b/arch/frv/kernel/ptrace.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/frv/kernel/semaphore.c b/arch/frv/kernel/semaphore.c index f278cdf3a72..8e182ced1a0 100644 --- a/arch/frv/kernel/semaphore.c +++ b/arch/frv/kernel/semaphore.c @@ -19,7 +19,7 @@ struct sem_waiter { struct task_struct *task; }; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE void semtrace(struct semaphore *sem, const char *str) { if (sem->debug) diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index 85baeae9666..d64bcaff54c 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c index c4d4348c9e8..26b3df32b9a 100644 --- a/arch/frv/kernel/sys_frv.c +++ b/arch/frv/kernel/sys_frv.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c index 19b13be114a..598a26ab8ad 100644 --- a/arch/frv/mm/pgalloc.c +++ b/arch/frv/mm/pgalloc.c @@ -151,9 +151,7 @@ void __init pgtable_cache_init(void) pgd_cache = kmem_cache_create("pgd", PTRS_PER_PGD * sizeof(pgd_t), PTRS_PER_PGD * sizeof(pgd_t), - 0, + SLAB_PANIC, pgd_ctor, pgd_dtor); - if (!pgd_cache) - panic("pgtable_cache_init(): Cannot create pgd cache"); } diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c index f6031373dc2..8f2411db7ea 100644 --- a/arch/h8300/kernel/ptrace.c +++ b/arch/h8300/kernel/ptrace.c @@ -19,7 +19,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/h8300/kernel/sys_h8300.c b/arch/h8300/kernel/sys_h8300.c index 302a2dfe634..11ba75a0522 100644 --- a/arch/h8300/kernel/sys_h8300.c +++ b/arch/h8300/kernel/sys_h8300.c @@ -10,7 +10,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/i386/boot/video.S b/arch/i386/boot/video.S index 8143c9516cb..5e2280cf445 100644 --- a/arch/i386/boot/video.S +++ b/arch/i386/boot/video.S @@ -496,9 +496,11 @@ mode_set: cmpb $VIDEO_FIRST_V7>>8, %ah jz setv7 +#ifdef CONFIG_FB cmpb $VIDEO_FIRST_VESA>>8, %ah jnc check_vesa - +#endif + orb %ah, %ah jz setmenu diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile index 4f98516b9f9..91cff8dc9e1 100644 --- a/arch/i386/kernel/Makefile +++ b/arch/i386/kernel/Makefile @@ -34,6 +34,7 @@ obj-y += sysenter.o vsyscall.o obj-$(CONFIG_ACPI_SRAT) += srat.o obj-$(CONFIG_EFI) += efi.o efi_stub.o obj-$(CONFIG_DOUBLEFAULT) += doublefault.o +obj-$(CONFIG_SERIAL_8250) += legacy_serial.o obj-$(CONFIG_VM86) += vm86.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_HPET_TIMER) += hpet.o diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index aca054cc055..67824f3bb97 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -19,7 +19,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/bootmem.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/mc146818rtc.h> #include <linux/kernel_stat.h> diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c index 367ff1d930c..4112afe712b 100644 --- a/arch/i386/kernel/apm.c +++ b/arch/i386/kernel/apm.c @@ -223,7 +223,6 @@ #include <linux/device.h> #include <linux/kernel.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/dmi.h> #include <linux/suspend.h> #include <linux/kthread.h> @@ -1173,7 +1172,7 @@ static void reinit_timer(void) unsigned long flags; spin_lock_irqsave(&i8253_lock, flags); - /* set the clock to 100 Hz */ + /* set the clock to HZ */ outb_p(0x34, PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */ udelay(10); outb_p(LATCH & 0xff, PIT_CH0); /* LSB */ diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c index a5e0e990ea9..53589d1b1a0 100644 --- a/arch/i386/kernel/crash.c +++ b/arch/i386/kernel/crash.c @@ -22,7 +22,7 @@ #include <asm/nmi.h> #include <asm/hw_irq.h> #include <asm/apic.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/smp.h> #include <mach_ipi.h> diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c index dd9e7faafa7..a1808022ea1 100644 --- a/arch/i386/kernel/efi.c +++ b/arch/i386/kernel/efi.c @@ -347,14 +347,12 @@ void __init efi_init(void) printk(KERN_ERR PFX "Woah! Couldn't map the EFI system table.\n"); if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) printk(KERN_ERR PFX "Woah! EFI system table signature incorrect\n"); - if ((efi.systab->hdr.revision ^ EFI_SYSTEM_TABLE_REVISION) >> 16 != 0) - printk(KERN_ERR PFX - "Warning: EFI system table major version mismatch: " - "got %d.%02d, expected %d.%02d\n", + if ((efi.systab->hdr.revision >> 16) == 0) + printk(KERN_ERR PFX "Warning: EFI system table version " + "%d.%02d, expected 1.00 or greater\n", efi.systab->hdr.revision >> 16, - efi.systab->hdr.revision & 0xffff, - EFI_SYSTEM_TABLE_REVISION >> 16, - EFI_SYSTEM_TABLE_REVISION & 0xffff); + efi.systab->hdr.revision & 0xffff); + /* * Grab some details from the system table */ diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c index 03abfdb1a6e..0499cbe9871 100644 --- a/arch/i386/kernel/i8259.c +++ b/arch/i386/kernel/i8259.c @@ -5,7 +5,6 @@ #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/random.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/sysdev.h> diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 1b623cda3a6..7f8b7af2b95 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -25,7 +25,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/mc146818rtc.h> #include <linux/compiler.h> #include <linux/acpi.h> diff --git a/arch/i386/kernel/ioport.c b/arch/i386/kernel/ioport.c index d1e42e0dbe6..3d310a946d7 100644 --- a/arch/i386/kernel/ioport.c +++ b/arch/i386/kernel/ioport.c @@ -12,7 +12,6 @@ #include <linux/types.h> #include <linux/ioport.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/slab.h> #include <linux/thread_info.h> diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index b545bc746fc..dde828a333c 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -31,8 +31,8 @@ #include <linux/kprobes.h> #include <linux/ptrace.h> #include <linux/preempt.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/desc.h> #include <asm/uaccess.h> @@ -226,24 +226,15 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { unsigned long *sara = (unsigned long *)®s->esp; - struct kretprobe_instance *ri; + ri->ret_addr = (kprobe_opcode_t *) *sara; - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *) *sara; - - /* Replace the return addr with trampoline addr */ - *sara = (unsigned long) &kretprobe_trampoline; - add_rp_inst(ri); - } else { - rp->nmissed++; - } + /* Replace the return addr with trampoline addr */ + *sara = (unsigned long) &kretprobe_trampoline; } /* @@ -449,8 +440,7 @@ fastcall void *__kprobes trampoline_handler(struct pt_regs *regs) break; } - BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address)); - + kretprobe_assert(ri, orig_ret_address, trampoline_address); spin_unlock_irqrestore(&kretprobe_lock, flags); hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) { @@ -753,6 +743,11 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) return 0; } +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + return 0; +} + int __init arch_init_kprobes(void) { return 0; diff --git a/arch/i386/kernel/ldt.c b/arch/i386/kernel/ldt.c index b410e5fb034..e0b2d17f4f1 100644 --- a/arch/i386/kernel/ldt.c +++ b/arch/i386/kernel/ldt.c @@ -10,7 +10,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/slab.h> diff --git a/arch/i386/kernel/legacy_serial.c b/arch/i386/kernel/legacy_serial.c new file mode 100644 index 00000000000..21510118544 --- /dev/null +++ b/arch/i386/kernel/legacy_serial.c @@ -0,0 +1,67 @@ +/* + * Legacy COM port devices for x86 platforms without PNPBIOS or ACPI. + * Data taken from include/asm-i386/serial.h. + * + * (c) Copyright 2007 Hewlett-Packard Development Company, L.P. + * Bjorn Helgaas <bjorn.helgaas@hp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/pnp.h> +#include <linux/serial_8250.h> + +/* Standard COM flags (except for COM4, because of the 8514 problem) */ +#ifdef CONFIG_SERIAL_DETECT_IRQ +#define COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ) +#define COM4_FLAGS (UPF_BOOT_AUTOCONF | UPF_AUTO_IRQ) +#else +#define COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST) +#define COM4_FLAGS UPF_BOOT_AUTOCONF +#endif + +#define PORT(_base,_irq,_flags) \ + { \ + .iobase = _base, \ + .irq = _irq, \ + .uartclk = 1843200, \ + .iotype = UPIO_PORT, \ + .flags = _flags, \ + } + +static struct plat_serial8250_port x86_com_data[] = { + PORT(0x3F8, 4, COM_FLAGS), + PORT(0x2F8, 3, COM_FLAGS), + PORT(0x3E8, 4, COM_FLAGS), + PORT(0x2E8, 3, COM4_FLAGS), + { }, +}; + +static struct platform_device x86_com_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = x86_com_data, + }, +}; + +static int force_legacy_probe; +module_param_named(force, force_legacy_probe, bool, 0); +MODULE_PARM_DESC(force, "Force legacy serial port probe"); + +static int __init serial8250_x86_com_init(void) +{ + if (pnp_platform_devices && !force_legacy_probe) + return -ENODEV; + + return platform_device_register(&x86_com_device); +} + +module_init(serial8250_x86_com_init); + +MODULE_AUTHOR("Bjorn Helgaas"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Generic 8250/16x50 legacy probe module"); diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index 0952eccd8f2..13abb4ebfb7 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c @@ -18,7 +18,6 @@ #include <linux/acpi.h> #include <linux/delay.h> #include <linux/bootmem.h> -#include <linux/smp_lock.h> #include <linux/kernel_stat.h> #include <linux/mc146818rtc.h> #include <linux/bitops.h> diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c index 33cf2f3c444..fba121f7973 100644 --- a/arch/i386/kernel/nmi.c +++ b/arch/i386/kernel/nmi.c @@ -23,10 +23,10 @@ #include <linux/kprobes.h> #include <linux/cpumask.h> #include <linux/kernel_stat.h> +#include <linux/kdebug.h> #include <asm/smp.h> #include <asm/nmi.h> -#include <asm/kdebug.h> #include "mach_traps.h" diff --git a/arch/i386/kernel/pci-dma.c b/arch/i386/kernel/pci-dma.c index 3ebcea03362..30b754f7cbe 100644 --- a/arch/i386/kernel/pci-dma.c +++ b/arch/i386/kernel/pci-dma.c @@ -77,7 +77,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, { void __iomem *mem_base = NULL; int pages = size >> PAGE_SHIFT; - int bitmap_size = (pages + 31)/32; + int bitmap_size = BITS_TO_LONGS(pages) * sizeof(long); if ((flags & (DMA_MEMORY_MAP | DMA_MEMORY_IO)) == 0) goto out; diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index 61999479b7a..d76d9bc33b3 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -21,7 +21,6 @@ #include <linux/mm.h> #include <linux/elfcore.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/slab.h> #include <linux/vmalloc.h> diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c index 4a8f8a25972..0c0ceec5de0 100644 --- a/arch/i386/kernel/ptrace.c +++ b/arch/i386/kernel/ptrace.c @@ -9,7 +9,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/i386/kernel/signal.c b/arch/i386/kernel/signal.c index 4f99e870c98..d574e38f0f7 100644 --- a/arch/i386/kernel/signal.c +++ b/arch/i386/kernel/signal.c @@ -10,7 +10,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/i386/kernel/smp.c b/arch/i386/kernel/smp.c index 89a45a9ddcd..93f202a855f 100644 --- a/arch/i386/kernel/smp.c +++ b/arch/i386/kernel/smp.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/kernel_stat.h> #include <linux/mc146818rtc.h> #include <linux/cache.h> diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index a4b7ad283f4..b92cc4e8b3b 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -40,7 +40,6 @@ #include <linux/mm.h> #include <linux/sched.h> #include <linux/kernel_stat.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/notifier.h> #include <linux/cpu.h> diff --git a/arch/i386/kernel/sys_i386.c b/arch/i386/kernel/sys_i386.c index 4048397f174..e5dcb937901 100644 --- a/arch/i386/kernel/sys_i386.c +++ b/arch/i386/kernel/sys_i386.c @@ -10,7 +10,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/i386/kernel/syscall_table.S b/arch/i386/kernel/syscall_table.S index 2697e9210e9..0772678ceec 100644 --- a/arch/i386/kernel/syscall_table.S +++ b/arch/i386/kernel/syscall_table.S @@ -319,3 +319,4 @@ ENTRY(sys_call_table) .long sys_move_pages .long sys_getcpu .long sys_epoll_pwait + .long sys_utimensat /* 320 */ diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index f21b41e7770..4bec0cbf407 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -52,7 +52,7 @@ #include <asm/unwind.h> #include <asm/smp.h> #include <asm/arch_hooks.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/stacktrace.h> #include <linux/module.h> @@ -95,20 +95,6 @@ asmlinkage void machine_check(void); int kstack_depth_to_print = 24; static unsigned int code_bytes = 64; -ATOMIC_NOTIFIER_HEAD(i386die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - vmalloc_sync_all(); - return atomic_notifier_chain_register(&i386die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); /* used modular by kdb */ - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&i386die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); /* used modular by kdb */ static inline int valid_stack_ptr(struct thread_info *tinfo, void *p) { @@ -747,6 +733,11 @@ static __kprobes void default_do_nmi(struct pt_regs * regs) */ if (nmi_watchdog_tick(regs, reason)) return; +#endif + if (notify_die(DIE_NMI_POST, "nmi_post", regs, reason, 2, 0) + == NOTIFY_STOP) + return; +#ifdef CONFIG_X86_LOCAL_APIC if (!do_nmi_callback(regs, smp_processor_id())) #endif unknown_nmi_error(reason, regs); diff --git a/arch/i386/kernel/vm86.c b/arch/i386/kernel/vm86.c index d1b8f2b7aea..f2dcd1d27c0 100644 --- a/arch/i386/kernel/vm86.c +++ b/arch/i386/kernel/vm86.c @@ -39,7 +39,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/highmem.h> #include <linux/ptrace.h> #include <linux/audit.h> diff --git a/arch/i386/mach-default/setup.c b/arch/i386/mach-default/setup.c index c7881621070..7f635c7a238 100644 --- a/arch/i386/mach-default/setup.c +++ b/arch/i386/mach-default/setup.c @@ -81,7 +81,7 @@ void __init trap_init_hook(void) static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, .name = "timer" }; diff --git a/arch/i386/mach-visws/setup.c b/arch/i386/mach-visws/setup.c index 233ee20907b..1f81f10e03a 100644 --- a/arch/i386/mach-visws/setup.c +++ b/arch/i386/mach-visws/setup.c @@ -116,7 +116,7 @@ void __init pre_setup_arch_hook() static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_IRQPOLL, .name = "timer", }; diff --git a/arch/i386/mach-visws/visws_apic.c b/arch/i386/mach-visws/visws_apic.c index 38c2b13124d..710faf71a65 100644 --- a/arch/i386/mach-visws/visws_apic.c +++ b/arch/i386/mach-visws/visws_apic.c @@ -18,7 +18,6 @@ #include <linux/kernel_stat.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <asm/io.h> diff --git a/arch/i386/mach-voyager/setup.c b/arch/i386/mach-voyager/setup.c index 447bb105cf5..2b55694e640 100644 --- a/arch/i386/mach-voyager/setup.c +++ b/arch/i386/mach-voyager/setup.c @@ -42,7 +42,7 @@ void __init trap_init_hook(void) static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, .name = "timer" }; diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c index 1a5e448a29c..50d9c52070b 100644 --- a/arch/i386/mach-voyager/voyager_smp.c +++ b/arch/i386/mach-voyager/voyager_smp.c @@ -16,7 +16,6 @@ #include <linux/mc146818rtc.h> #include <linux/cache.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/bootmem.h> diff --git a/arch/i386/mach-voyager/voyager_thread.c b/arch/i386/mach-voyager/voyager_thread.c index fdc1d926fb2..b4b24e0e45e 100644 --- a/arch/i386/mach-voyager/voyager_thread.c +++ b/arch/i386/mach-voyager/voyager_thread.c @@ -18,7 +18,6 @@ #include <linux/kernel_stat.h> #include <linux/delay.h> #include <linux/mc146818rtc.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/bootmem.h> #include <linux/kmod.h> diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c index f534c29e80b..29d7d61543a 100644 --- a/arch/i386/mm/fault.c +++ b/arch/i386/mm/fault.c @@ -14,20 +14,20 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/tty.h> #include <linux/vt_kern.h> /* For unblank_screen() */ #include <linux/highmem.h> #include <linux/bootmem.h> /* for max_low_pfn */ +#include <linux/vmalloc.h> #include <linux/module.h> #include <linux/kprobes.h> #include <linux/uaccess.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/desc.h> -#include <asm/kdebug.h> #include <asm/segment.h> extern void die(const char *,struct pt_regs *,long); diff --git a/arch/i386/mm/hugetlbpage.c b/arch/i386/mm/hugetlbpage.c index 6272a4fd9e7..efdf95ac803 100644 --- a/arch/i386/mm/hugetlbpage.c +++ b/arch/i386/mm/hugetlbpage.c @@ -9,7 +9,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/sysctl.h> diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index 1a7197e89eb..c50782efa5c 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -751,12 +751,9 @@ void __init pgtable_cache_init(void) pmd_cache = kmem_cache_create("pmd", PTRS_PER_PMD*sizeof(pmd_t), PTRS_PER_PMD*sizeof(pmd_t), - 0, + SLAB_PANIC, pmd_ctor, NULL); - if (!pmd_cache) - panic("pgtable_cache_init(): cannot create pmd cache"); - if (!SHARED_KERNEL_PMD) { /* If we're in PAE mode and have a non-shared kernel pmd, then the pgd size must be a @@ -770,11 +767,9 @@ void __init pgtable_cache_init(void) pgd_cache = kmem_cache_create("pgd", pgd_size, pgd_size, - 0, + SLAB_PANIC, pgd_ctor, (!SHARED_KERNEL_PMD) ? pgd_dtor : NULL); - if (!pgd_cache) - panic("pgtable_cache_init(): Cannot create pgd cache"); } /* diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c index 695f737516a..8e185208dfd 100644 --- a/arch/i386/oprofile/nmi_int.c +++ b/arch/i386/oprofile/nmi_int.c @@ -14,10 +14,10 @@ #include <linux/sysdev.h> #include <linux/slab.h> #include <linux/moduleparam.h> +#include <linux/kdebug.h> #include <asm/nmi.h> #include <asm/msr.h> #include <asm/apic.h> -#include <asm/kdebug.h> #include "op_counter.h" #include "op_x86_model.h" diff --git a/arch/i386/oprofile/nmi_timer_int.c b/arch/i386/oprofile/nmi_timer_int.c index abf0ba52a63..1418e36ae7a 100644 --- a/arch/i386/oprofile/nmi_timer_int.c +++ b/arch/i386/oprofile/nmi_timer_int.c @@ -12,12 +12,11 @@ #include <linux/errno.h> #include <linux/oprofile.h> #include <linux/rcupdate.h> - +#include <linux/kdebug.h> #include <asm/nmi.h> #include <asm/apic.h> #include <asm/ptrace.h> -#include <asm/kdebug.h> static int profile_timer_exceptions_notify(struct notifier_block *self, unsigned long val, void *data) diff --git a/arch/ia64/hp/sim/boot/fw-emu.c b/arch/ia64/hp/sim/boot/fw-emu.c index 5a0a7afcfc3..300acd913d9 100644 --- a/arch/ia64/hp/sim/boot/fw-emu.c +++ b/arch/ia64/hp/sim/boot/fw-emu.c @@ -287,7 +287,7 @@ sys_fw_init (const char *args, int arglen) memset(efi_systab, 0, sizeof(efi_systab)); efi_systab->hdr.signature = EFI_SYSTEM_TABLE_SIGNATURE; - efi_systab->hdr.revision = EFI_SYSTEM_TABLE_REVISION; + efi_systab->hdr.revision = ((1 << 16) | 00); efi_systab->hdr.headersize = sizeof(efi_systab->hdr); efi_systab->fw_vendor = __pa("H\0e\0w\0l\0e\0t\0t\0-\0P\0a\0c\0k\0a\0r\0d\0\0"); efi_systab->fw_revision = 1; diff --git a/arch/ia64/ia32/ia32_ldt.c b/arch/ia64/ia32/ia32_ldt.c index a152738c7d0..16d51c14684 100644 --- a/arch/ia64/ia32/ia32_ldt.c +++ b/arch/ia64/ia32/ia32_ldt.c @@ -10,7 +10,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <asm/uaccess.h> diff --git a/arch/ia64/ia32/ia32_signal.c b/arch/ia64/ia32/ia32_signal.c index b3355a9ca2c..10510e58520 100644 --- a/arch/ia64/ia32/ia32_signal.c +++ b/arch/ia64/ia32/ia32_signal.c @@ -18,7 +18,6 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/syscalls.h> #include <linux/unistd.h> diff --git a/arch/ia64/ia32/ia32_support.c b/arch/ia64/ia32/ia32_support.c index 6af400a12ca..beea7a0b9dc 100644 --- a/arch/ia64/ia32/ia32_support.c +++ b/arch/ia64/ia32/ia32_support.c @@ -252,10 +252,8 @@ ia32_init (void) extern struct kmem_cache *partial_page_cachep; partial_page_cachep = kmem_cache_create("partial_page_cache", - sizeof(struct partial_page), 0, 0, - NULL, NULL); - if (!partial_page_cachep) - panic("Cannot create partial page SLAB cache"); + sizeof(struct partial_page), + 0, SLAB_PANIC, NULL, NULL); } #endif return 0; diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c index 80a94e70782..aeb79fb28f0 100644 --- a/arch/ia64/kernel/crash.c +++ b/arch/ia64/kernel/crash.c @@ -16,8 +16,8 @@ #include <linux/elfcore.h> #include <linux/sysctl.h> #include <linux/init.h> +#include <linux/kdebug.h> -#include <asm/kdebug.h> #include <asm/mca.h> int kdump_status[NR_CPUS]; @@ -74,7 +74,7 @@ crash_save_this_cpu(void) buf = (u64 *) per_cpu_ptr(crash_notes, cpu); if (!buf) return; - buf = append_elf_note(buf, "CORE", NT_PRSTATUS, prstatus, + buf = append_elf_note(buf, KEXEC_CORE_NOTE_NAME, NT_PRSTATUS, prstatus, sizeof(*prstatus)); final_note(buf); } diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 78d29b79947..75ec3478d8a 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -445,11 +445,11 @@ efi_init (void) panic("Woah! Can't find EFI system table.\n"); if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) panic("Woah! EFI system table signature incorrect\n"); - if ((efi.systab->hdr.revision ^ EFI_SYSTEM_TABLE_REVISION) >> 16 != 0) - printk(KERN_WARNING "Warning: EFI system table major version mismatch: " - "got %d.%02d, expected %d.%02d\n", - efi.systab->hdr.revision >> 16, efi.systab->hdr.revision & 0xffff, - EFI_SYSTEM_TABLE_REVISION >> 16, EFI_SYSTEM_TABLE_REVISION & 0xffff); + if ((efi.systab->hdr.revision >> 16) == 0) + printk(KERN_WARNING "Warning: EFI system table version " + "%d.%02d, expected 1.00 or greater\n", + efi.systab->hdr.revision >> 16, + efi.systab->hdr.revision & 0xffff); config_tables = __va(efi.systab->tables); diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index dcfbf3e7a9e..93d9ab14ba2 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -87,7 +87,6 @@ #include <linux/list.h> #include <linux/pci.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/bootmem.h> diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 456f57b087c..1c5044a8095 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -27,7 +27,6 @@ #include <linux/random.h> /* for rand_initialize_irq() */ #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/threads.h> #include <linux/bitops.h> #include <linux/irq.h> diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 6cb56dd4056..4f5fd0960ba 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -29,9 +29,9 @@ #include <linux/slab.h> #include <linux/preempt.h> #include <linux/moduleloader.h> +#include <linux/kdebug.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/sections.h> #include <asm/uaccess.h> @@ -444,7 +444,8 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) break; } - BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address)); + kretprobe_assert(ri, orig_ret_address, trampoline_address); + regs->cr_iip = orig_ret_address; reset_current_kprobe(); @@ -464,23 +465,13 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { - struct kretprobe_instance *ri; - - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *)regs->b0; - - /* Replace the return addr with trampoline addr */ - regs->b0 = ((struct fnptr *)kretprobe_trampoline)->ip; + ri->ret_addr = (kprobe_opcode_t *)regs->b0; - add_rp_inst(ri); - } else { - rp->nmissed++; - } + /* Replace the return addr with trampoline addr */ + regs->b0 = ((struct fnptr *)kretprobe_trampoline)->ip; } int __kprobes arch_prepare_kprobe(struct kprobe *p) @@ -1021,3 +1012,12 @@ int __init arch_init_kprobes(void) (kprobe_opcode_t *)((struct fnptr *)kretprobe_trampoline)->ip; return register_kprobe(&trampoline_p); } + +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + if (p->addr == + (kprobe_opcode_t *)((struct fnptr *)kretprobe_trampoline)->ip) + return 1; + + return 0; +} diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 491687f84fb..1d7cc7e2ce3 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -63,7 +63,6 @@ #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/irq.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/acpi.h> #include <linux/timer.h> @@ -72,9 +71,9 @@ #include <linux/smp.h> #include <linux/workqueue.h> #include <linux/cpumask.h> +#include <linux/kdebug.h> #include <asm/delay.h> -#include <asm/kdebug.h> #include <asm/machvec.h> #include <asm/meminit.h> #include <asm/page.h> diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c index 832cf1e647e..70b8bdbb7e6 100644 --- a/arch/ia64/kernel/mca_drv.c +++ b/arch/ia64/kernel/mca_drv.c @@ -14,7 +14,6 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/kallsyms.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/acpi.h> #include <linux/timer.h> diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index abc7ad03588..e7191ca30b1 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -23,7 +23,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/init.h> diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index ae96d417699..8bb571a8a73 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -20,20 +20,19 @@ #include <linux/personality.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/thread_info.h> #include <linux/unistd.h> #include <linux/efi.h> #include <linux/interrupt.h> #include <linux/delay.h> +#include <linux/kdebug.h> #include <asm/cpu.h> #include <asm/delay.h> #include <asm/elf.h> #include <asm/ia32.h> #include <asm/irq.h> -#include <asm/kdebug.h> #include <asm/kexec.h> #include <asm/pgalloc.h> #include <asm/processor.h> diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index af9f8754d84..a51f1d0bfb7 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -42,7 +42,6 @@ #include <linux/proc_fs.h> #include <linux/module.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/timer.h> #include <linux/vmalloc.h> diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c index 77f8b49c788..0dcd56da600 100644 --- a/arch/ia64/kernel/signal.c +++ b/arch/ia64/kernel/signal.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/tty.h> #include <linux/binfmts.h> diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index ff7df439da6..a44792d0f3a 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -35,7 +35,6 @@ #include <linux/mm.h> #include <linux/notifier.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/efi.h> #include <linux/percpu.h> diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c index 2fcaa2051aa..1eda194b955 100644 --- a/arch/ia64/kernel/sys_ia64.c +++ b/arch/ia64/kernel/sys_ia64.c @@ -13,7 +13,6 @@ #include <linux/shm.h> #include <linux/file.h> /* doh, must come after sched.h... */ #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/highuid.h> #include <linux/hugetlb.h> diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 39e0cd3a088..a06667c7acc 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -235,7 +235,7 @@ ia64_init_itm (void) static struct irqaction timer_irqaction = { .handler = timer_interrupt, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_IRQPOLL, .name = "timer" }; diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index 765cbe5ba6a..5bfb8be02b7 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -16,33 +16,17 @@ #include <linux/hardirq.h> #include <linux/kprobes.h> #include <linux/delay.h> /* for ssleep() */ +#include <linux/kdebug.h> #include <asm/fpswa.h> #include <asm/ia32.h> #include <asm/intrinsics.h> #include <asm/processor.h> #include <asm/uaccess.h> -#include <asm/kdebug.h> fpswa_interface_t *fpswa_interface; EXPORT_SYMBOL(fpswa_interface); -ATOMIC_NOTIFIER_HEAD(ia64die_chain); - -int -register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&ia64die_chain, nb); -} -EXPORT_SYMBOL_GPL(register_die_notifier); - -int -unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&ia64die_chain, nb); -} -EXPORT_SYMBOL_GPL(unregister_die_notifier); - void __init trap_init (void) { diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c index 1e357550c77..fe6aa5a9f8f 100644 --- a/arch/ia64/kernel/unaligned.c +++ b/arch/ia64/kernel/unaligned.c @@ -15,7 +15,6 @@ */ #include <linux/kernel.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/tty.h> #include <asm/intrinsics.h> diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 872da7a2acc..94844442812 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -693,6 +693,7 @@ void __init paging_init(void) zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page)); } +#ifdef CONFIG_MEMORY_HOTPLUG pg_data_t *arch_alloc_nodedata(int nid) { unsigned long size = compute_pernodesize(nid); @@ -710,3 +711,4 @@ void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat) pgdat_list[update_node] = update_pgdat; scatter_node_data(); } +#endif diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index 59f3ab93761..21658e02116 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -7,15 +7,14 @@ #include <linux/sched.h> #include <linux/kernel.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/pgtable.h> #include <asm/processor.h> #include <asm/system.h> #include <asm/uaccess.h> -#include <asm/kdebug.h> extern void die (char *, struct pt_regs *, long); diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c index c7c90f4f429..1346b7f0539 100644 --- a/arch/ia64/mm/hugetlbpage.c +++ b/arch/ia64/mm/hugetlbpage.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/sysctl.h> #include <asm/mman.h> diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 9f635896d25..3549f3b4259 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -18,7 +18,6 @@ #include <linux/init.h> #include <linux/ioport.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <asm/machvec.h> diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c index 68355ef6f84..e336e1692a7 100644 --- a/arch/ia64/sn/kernel/xpc_main.c +++ b/arch/ia64/sn/kernel/xpc_main.c @@ -55,9 +55,9 @@ #include <linux/delay.h> #include <linux/reboot.h> #include <linux/completion.h> +#include <linux/kdebug.h> #include <asm/sn/intr.h> #include <asm/sn/sn_sal.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> #include <asm/sn/xpc.h> @@ -1332,7 +1332,7 @@ xpc_init(void) dev_warn(xpc_part, "can't register reboot notifier\n"); } - /* add ourselves to the die_notifier list (i.e., ia64die_chain) */ + /* add ourselves to the die_notifier list */ ret = register_die_notifier(&xpc_die_notifier); if (ret != 0) { dev_warn(xpc_part, "can't register die notifier\n"); diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c index 8cbbb0b11e0..41a4c95e06d 100644 --- a/arch/m32r/kernel/m32r_ksyms.c +++ b/arch/m32r/kernel/m32r_ksyms.c @@ -5,7 +5,6 @@ #include <linux/sched.h> #include <linux/in6.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <asm/semaphore.h> diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index 4b156054baa..916faf6070a 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -13,7 +13,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index 48d376f47e1..3eb30595349 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -43,7 +43,6 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/irq.h> #include <linux/bootmem.h> #include <linux/delay.h> diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c index b4e7bcb4354..bda85548de6 100644 --- a/arch/m32r/kernel/sys_m32r.c +++ b/arch/m32r/kernel/sys_m32r.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/m32r/mm/fault-nommu.c b/arch/m32r/mm/fault-nommu.c index 9880abac3f5..88469178ea6 100644 --- a/arch/m32r/mm/fault-nommu.c +++ b/arch/m32r/mm/fault-nommu.c @@ -17,7 +17,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/vt_kern.h> /* For unblank_screen() */ diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c index 037d58e82fb..f3935ba2494 100644 --- a/arch/m32r/mm/fault.c +++ b/arch/m32r/mm/fault.c @@ -18,7 +18,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/tty.h> diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index 7fd2720c384..cdba9fd6d82 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c index 272d47eac58..e341387787a 100644 --- a/arch/m68k/mvme16x/rtc.c +++ b/arch/m68k/mvme16x/rtc.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <linux/poll.h> #include <linux/mc146818rtc.h> /* For struct rtc_time and ioctls, etc */ -#include <linux/smp_lock.h> #include <linux/bcd.h> #include <asm/mvme16xhw.h> diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c index 72d34962357..f54b6a3dfec 100644 --- a/arch/m68knommu/kernel/ptrace.c +++ b/arch/m68knommu/kernel/ptrace.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/m68knommu/kernel/sys_m68k.c b/arch/m68knommu/kernel/sys_m68k.c index 3265b2d734d..48e6b33e8b4 100644 --- a/arch/m68knommu/kernel/sys_m68k.c +++ b/arch/m68knommu/kernel/sys_m68k.c @@ -10,7 +10,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c index 304efdc5682..4fa54b230c0 100644 --- a/arch/mips/kernel/early_printk.c +++ b/arch/mips/kernel/early_printk.c @@ -33,8 +33,3 @@ void __init setup_early_printk(void) { register_console(&early_console); } - -void __init disable_early_printk(void) -{ - unregister_console(&early_console); -} diff --git a/arch/mips/kernel/irixelf.c b/arch/mips/kernel/irixelf.c index 3cc25c05d36..403d96f99e7 100644 --- a/arch/mips/kernel/irixelf.c +++ b/arch/mips/kernel/irixelf.c @@ -31,7 +31,6 @@ #include <linux/shm.h> #include <linux/personality.h> #include <linux/elfcore.h> -#include <linux/smp_lock.h> #include <asm/mipsregs.h> #include <asm/namei.h> diff --git a/arch/mips/kernel/irixioctl.c b/arch/mips/kernel/irixioctl.c index e2863821a3d..30f9eb09db3 100644 --- a/arch/mips/kernel/irixioctl.c +++ b/arch/mips/kernel/irixioctl.c @@ -9,7 +9,6 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sockios.h> #include <linux/syscalls.h> #include <linux/tty.h> diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c index 2132485caa7..6980deb6dce 100644 --- a/arch/mips/kernel/irixsig.c +++ b/arch/mips/kernel/irixsig.c @@ -10,7 +10,6 @@ #include <linux/mm.h> #include <linux/errno.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/time.h> #include <linux/ptrace.h> #include <linux/resource.h> diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 201ae194d1b..b5a7b46bbc4 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -22,7 +22,6 @@ #include <linux/ptrace.h> #include <linux/audit.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 07d67309451..2a08ce41bf2 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -12,7 +12,6 @@ #include <linux/mm.h> #include <linux/personality.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index b9a014411f8..003f8152b9e 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/syscalls.h> diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index a9202fa9598..4cf9ff24d1f 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c @@ -19,7 +19,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/mips/kernel/stacktrace.c b/arch/mips/kernel/stacktrace.c index a586aba337a..ebd9db8d1ec 100644 --- a/arch/mips/kernel/stacktrace.c +++ b/arch/mips/kernel/stacktrace.c @@ -31,8 +31,7 @@ static void save_raw_context_stack(struct stack_trace *trace, } } -static void save_context_stack(struct stack_trace *trace, - struct task_struct *task, struct pt_regs *regs) +static void save_context_stack(struct stack_trace *trace, struct pt_regs *regs) { unsigned long sp = regs->regs[29]; #ifdef CONFIG_KALLSYMS @@ -41,7 +40,7 @@ static void save_context_stack(struct stack_trace *trace, if (raw_show_trace || !__kernel_text_address(pc)) { unsigned long stack_page = - (unsigned long)task_stack_page(task); + (unsigned long)task_stack_page(current); if (stack_page && sp >= stack_page && sp <= stack_page + THREAD_SIZE - 32) save_raw_context_stack(trace, sp); @@ -54,7 +53,7 @@ static void save_context_stack(struct stack_trace *trace, trace->entries[trace->nr_entries++] = pc; if (trace->nr_entries >= trace->max_entries) break; - pc = unwind_stack(task, &sp, pc, &ra); + pc = unwind_stack(current, &sp, pc, &ra); } while (pc); #else save_raw_context_stack(trace, sp); @@ -64,22 +63,13 @@ static void save_context_stack(struct stack_trace *trace, /* * Save stack-backtrace addresses into a stack_trace buffer. */ -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { struct pt_regs dummyregs; struct pt_regs *regs = &dummyregs; WARN_ON(trace->nr_entries || !trace->max_entries); - if (task && task != current) { - regs->regs[29] = task->thread.reg29; - regs->regs[31] = 0; - regs->cp0_epc = task->thread.reg31; - } else { - if (!task) - task = current; - prepare_frametrace(regs); - } - - save_context_stack(trace, task, regs); + prepare_frametrace(regs); + save_context_stack(trace, regs); } diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 26e1a7e78d1..9dd5a2df8ea 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -13,7 +13,6 @@ #include <linux/linkage.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/mman.h> #include <linux/ptrace.h> #include <linux/sched.h> diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 493cb29b8a4..ff45a4b8fba 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -16,7 +16,6 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/kallsyms.h> #include <linux/bootmem.h> diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index 24b7b053cfe..a7d49ae805b 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -76,7 +76,6 @@ #include <linux/module.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <asm/asm.h> #include <asm/branch.h> diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c index 8079f3d1eca..ea6ba724848 100644 --- a/arch/mips/math-emu/dsemul.c +++ b/arch/mips/math-emu/dsemul.c @@ -2,7 +2,6 @@ #include <linux/mm.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <asm/asm.h> #include <asm/bootinfo.h> diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index f9c595dceba..7ebea331edb 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -16,7 +16,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/vt_kern.h> /* For unblank_screen() */ #include <linux/module.h> diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 60ade7690e0..ba8e0794630 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -19,7 +19,6 @@ #include <linux/timex.h> #include <linux/slab.h> #include <linux/random.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/mips/sni/irq.c b/arch/mips/sni/irq.c index ad5fc471a00..9ccffdfb828 100644 --- a/arch/mips/sni/irq.c +++ b/arch/mips/sni/irq.c @@ -42,7 +42,7 @@ static irqreturn_t sni_isa_irq_handler(int dummy, void *p) struct irqaction sni_isa_irq = { .handler = sni_isa_irq_handler, .name = "ISA", - .flags = SA_SHIRQ + .flags = IRQF_SHARED }; /* diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c index c7a81a2c014..d86e1577677 100644 --- a/arch/parisc/hpux/fs.c +++ b/arch/parisc/hpux/fs.c @@ -24,7 +24,6 @@ #include <linux/mm.h> #include <linux/sched.h> #include <linux/file.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/ptrace.h> #include <asm/errno.h> diff --git a/arch/parisc/hpux/ioctl.c b/arch/parisc/hpux/ioctl.c index b34b4f3c60e..dede4765852 100644 --- a/arch/parisc/hpux/ioctl.c +++ b/arch/parisc/hpux/ioctl.c @@ -34,7 +34,6 @@ */ #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <asm/errno.h> #include <asm/ioctl.h> diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index e9d09b020e8..c5c9125dace 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -388,7 +388,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) static struct irqaction timer_action = { .handler = timer_interrupt, .name = "timer", - .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_PERCPU | IRQF_IRQPOLL, }; #ifdef CONFIG_SMP diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 0d0d617b6f2..8a0db376e91 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -10,7 +10,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 9784e405f84..fb35ebc0c4d 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c index 1c1a37f7305..db94affe5c7 100644 --- a/arch/parisc/kernel/signal32.c +++ b/arch/parisc/kernel/signal32.c @@ -26,7 +26,6 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/unistd.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/sched.h> #include <linux/syscalls.h> diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index 6fed0803c59..4f589216b39 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -29,7 +29,6 @@ #include <linux/mm.h> #include <linux/mman.h> #include <linux/shm.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/utsname.h> #include <linux/personality.h> diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 55bc1471967..745ff741490 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -20,7 +20,6 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/init.h> #include <linux/interrupt.h> diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 5f75b3e6598..89c03707ecc 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -216,11 +216,8 @@ static void unwind_frame_regs(struct unwind_frame_info *info) /* Handle some frequent special cases.... */ { char symname[KSYM_NAME_LEN+1]; - char *modname; - unsigned long symsize, offset; - kallsyms_lookup(info->ip, &symsize, &offset, - &modname, symname); + kallsyms_lookup(info->ip, NULL, NULL, NULL, symname); dbg("info->ip = 0x%lx, name = %s\n", info->ip, symname); diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 8de5f9ff4ad..808d2ef80e2 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -117,6 +117,9 @@ config GENERIC_BUG default y depends on BUG +config SYS_SUPPORTS_APM_EMULATION + bool + # # Powerpc uses the slab allocator to manage its ptes and the # page structs of ptes are used for splitting the page table @@ -136,6 +139,11 @@ config DEFAULT_UIMAGE Used to allow a board to specify it wants a uImage built by default default n +config PPC64_SWSUSP + bool + depends on PPC64 && (BROKEN || (PPC_PMAC64 && EXPERIMENTAL)) + default y + menu "Processor support" choice prompt "Processor Type" @@ -206,6 +214,7 @@ config 40x config 44x bool "AMCC 44x" select PPC_DCR_NATIVE + select WANT_DEVICE_TREE config E200 bool "Freescale e200" @@ -270,9 +279,14 @@ config PPC_OF_PLATFORM_PCI depends on PPC64 # not supported on 32 bits yet default n +config 4xx + bool + depends on 40x || 44x + default y + config BOOKE bool - depends on E200 || E500 + depends on E200 || E500 || 44x default y config FSL_BOOKE @@ -669,11 +683,12 @@ config MCA config PCI bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ - || MPC7448HPC2 || PPC_PS3 + || MPC7448HPC2 || PPC_PS3 || PPC_HOLLY default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx \ && !PPC_85xx && !PPC_86xx default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS default PCI_QSPAN if !4xx && !CPM2 && 8xx + select ARCH_SUPPORTS_MSI help Find out whether your system includes a PCI bus. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 86aa3745af7..f70e795c262 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -139,10 +139,6 @@ config BOOTX_TEXT Say Y here to see progress messages from the boot firmware in text mode. Requires either BootX or Open Firmware. -config SERIAL_TEXT_DEBUG - bool "Support for early boot texts over serial port" - depends on 4xx - config PPC_EARLY_DEBUG bool "Early debugging (dangerous)" @@ -207,6 +203,24 @@ config PPC_EARLY_DEBUG_BEAT help Select this to enable early debugging for Celleb with Beat. +config PPC_EARLY_DEBUG_44x + bool "Early serial debugging for IBM/AMCC 44x CPUs" + depends on 44x + select PPC_UDBG_16550 + help + Select this to enable early debugging for IBM 44x chips via the + inbuilt serial port. + endchoice +config PPC_EARLY_DEBUG_44x_PHYSLOW + hex "Low 32 bits of early debug UART physical address" + depends PPC_EARLY_DEBUG_44x + default "0x40000200" + +config PPC_EARLY_DEBUG_44x_PHYSHIGH + hex "EPRN of early debug UART physical address" + depends PPC_EARLY_DEBUG_44x + default "0x1" + endmenu diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 794992025d8..81a531d84ff 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -148,7 +148,7 @@ all: $(KBUILD_IMAGE) CPPFLAGS_vmlinux.lds := -Upowerpc -BOOT_TARGETS = zImage zImage.initrd uImage cuImage +BOOT_TARGETS = zImage zImage.initrd uImage PHONY += $(BOOT_TARGETS) diff --git a/arch/powerpc/boot/44x.c b/arch/powerpc/boot/44x.c new file mode 100644 index 00000000000..d51377d9024 --- /dev/null +++ b/arch/powerpc/boot/44x.c @@ -0,0 +1,40 @@ +/* + * Copyright 2007 David Gibson, IBM Corporation. + * + * Based on earlier code: + * Matt Porter <mporter@kernel.crashing.org> + * Copyright 2002-2005 MontaVista Software Inc. + * + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * Copyright (c) 2003, 2004 Zultys Technologies + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <stddef.h> +#include "types.h" +#include "string.h" +#include "stdio.h" +#include "ops.h" +#include "reg.h" +#include "dcr.h" + +/* Read the 44x memory controller to get size of system memory. */ +void ibm44x_fixup_memsize(void) +{ + int i; + unsigned long memsize, bank_config; + + memsize = 0; + for (i = 0; i < ARRAY_SIZE(sdram_bxcr); i++) { + mtdcr(DCRN_SDRAM0_CFGADDR, sdram_bxcr[i]); + bank_config = mfdcr(DCRN_SDRAM0_CFGDATA); + + if (bank_config & SDRAM_CONFIG_BANK_ENABLE) + memsize += SDRAM_CONFIG_BANK_SIZE(bank_config); + } + + dt_fixup_memory(0, memsize); +} diff --git a/arch/powerpc/boot/44x.h b/arch/powerpc/boot/44x.h new file mode 100644 index 00000000000..7b129ad043e --- /dev/null +++ b/arch/powerpc/boot/44x.h @@ -0,0 +1,16 @@ +/* + * PowerPC 44x related functions + * + * Copyright 2007 David Gibson, IBM Corporation. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#ifndef _PPC_BOOT_44X_H_ +#define _PPC_BOOT_44X_H_ + +void ibm44x_fixup_memsize(void); +void ebony_init(void *mac0, void *mac1); + +#endif /* _PPC_BOOT_44X_H_ */ diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 3716594ea33..5c384aad118 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -37,13 +37,15 @@ zlib := inffast.c inflate.c inftrees.c zlibheader := inffast.h inffixed.h inflate.h inftrees.h infutil.h zliblinuxheader := zlib.h zconf.h zutil.h -$(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) \ - $(addprefix $(obj)/,$(zlibheader)) +$(addprefix $(obj)/,$(zlib) gunzip_util.o main.o): \ + $(addprefix $(obj)/,$(zliblinuxheader)) $(addprefix $(obj)/,$(zlibheader)) src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ ns16550.c serial.c simple_alloc.c div64.S util.S \ - gunzip_util.c elf_util.c $(zlib) devtree.c -src-plat := of.c cuboot-83xx.c cuboot-85xx.c + gunzip_util.c elf_util.c $(zlib) devtree.c \ + 44x.c ebony.c +src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \ + cuboot-ebony.c treeboot-ebony.c src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot)) @@ -129,7 +131,14 @@ image-$(CONFIG_PPC_CELLEB) += zImage.pseries image-$(CONFIG_PPC_CHRP) += zImage.chrp image-$(CONFIG_PPC_EFIKA) += zImage.chrp image-$(CONFIG_PPC_PMAC) += zImage.pmac -image-$(CONFIG_DEFAULT_UIMAGE) += uImage cuImage +image-$(CONFIG_PPC_HOLLY) += zImage.holly-elf +image-$(CONFIG_DEFAULT_UIMAGE) += uImage + +ifneq ($(CONFIG_DEVICE_TREE),"") +image-$(CONFIG_PPC_83xx) += cuImage.83xx +image-$(CONFIG_PPC_85xx) += cuImage.85xx +image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony +endif # For 32-bit powermacs, build the COFF and miboot images # as well as the ELF images. @@ -138,7 +147,8 @@ image-$(CONFIG_PPC_PMAC) += zImage.coff zImage.miboot endif initrd- := $(patsubst zImage%, zImage.initrd%, $(image-n) $(image-)) -initrd-y := $(patsubst zImage%, zImage.initrd%, $(image-y)) +initrd-y := $(patsubst zImage%, zImage.initrd%, \ + $(patsubst treeImage%, treeImage.initrd%, $(image-y))) initrd-y := $(filter-out $(image-y), $(initrd-y)) targets += $(image-y) $(initrd-y) @@ -159,18 +169,27 @@ $(obj)/zImage.ps3: vmlinux $(obj)/zImage.initrd.ps3: vmlinux @echo " WARNING zImage.initrd.ps3 not supported (yet)" +$(obj)/zImage.holly-elf: vmlinux $(wrapperbits) + $(call if_changed,wrap,holly,$(obj)/dts/holly.dts,,) + +$(obj)/zImage.initrd.holly-elf: vmlinux $(wrapperbits) $(obj)/ramdisk.image.gz + $(call if_changed,wrap,holly,$(obj)/dts/holly.dts,,$(obj)/ramdisk.image.gz) + $(obj)/uImage: vmlinux $(wrapperbits) $(call if_changed,wrap,uboot) -cuboot-plat-$(CONFIG_83xx) += 83xx -cuboot-plat-$(CONFIG_85xx) += 85xx -cuboot-plat-y += unknown-platform - +# CONFIG_DEVICE_TREE will have "" around it, make sure to strip them dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\ - ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE) + ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE:"%"=%) + +$(obj)/cuImage.%: vmlinux $(dts) $(wrapperbits) + $(call if_changed,wrap,cuboot-$*,$(dts)) + +$(obj)/treeImage.%: vmlinux $(dts) $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,$(dts)) -$(obj)/cuImage: vmlinux $(wrapperbits) - $(call if_changed,wrap,cuboot-$(word 1,$(cuboot-plat-y)),$(dts)) +$(obj)/treeImage.initrd.%: vmlinux $(dts) $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,$(dts),,$(obj)/ramdisk.image.gz) $(obj)/zImage: $(addprefix $(obj)/, $(image-y)) @rm -f $@; ln $< $@ @@ -181,8 +200,8 @@ install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y)) sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $< # anything not in $(targets) -clean-files += $(image-) $(initrd-) zImage zImage.initrd \ - cuImage.elf cuImage.bin.gz +clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* \ + treeImage.* # clean up files cached by wrapper clean-kernel := vmlinux.strip vmlinux.bin diff --git a/arch/powerpc/boot/cuboot-ebony.c b/arch/powerpc/boot/cuboot-ebony.c new file mode 100644 index 00000000000..4464c5f67ac --- /dev/null +++ b/arch/powerpc/boot/cuboot-ebony.c @@ -0,0 +1,42 @@ +/* + * Old U-boot compatibility for Ebony + * + * Author: David Gibson <david@gibson.dropbear.id.au> + * + * Copyright 2007 David Gibson, IBM Corporatio. + * Based on cuboot-83xx.c, which is: + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "stdio.h" +#include "44x.h" + +#define TARGET_44x +#include "ppcboot.h" + +static bd_t bd; +extern char _end[]; + +BSS_STACK(4096); + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + unsigned long end_of_ram = bd.bi_memstart + bd.bi_memsize; + unsigned long avail_ram = end_of_ram - (unsigned long)_end; + + memcpy(&bd, (bd_t *)r3, sizeof(bd)); + loader_info.initrd_addr = r4; + loader_info.initrd_size = r4 ? r5 : 0; + loader_info.cmdline = (char *)r6; + loader_info.cmdline_len = r7 - r6; + + simple_alloc_init(_end, avail_ram, 32, 64); + + ebony_init(&bd.bi_enetaddr, &bd.bi_enet1addr); +} diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h new file mode 100644 index 00000000000..877bc97b1e9 --- /dev/null +++ b/arch/powerpc/boot/dcr.h @@ -0,0 +1,87 @@ +#ifndef _PPC_BOOT_DCR_H_ +#define _PPC_BOOT_DCR_H_ + +#define mfdcr(rn) \ + ({ \ + unsigned long rval; \ + asm volatile("mfdcr %0,%1" : "=r"(rval) : "i"(rn)); \ + rval; \ + }) +#define mtdcr(rn, val) \ + asm volatile("mtdcr %0,%1" : : "i"(rn), "r"(val)) + +/* 440GP/440GX SDRAM controller DCRs */ +#define DCRN_SDRAM0_CFGADDR 0x010 +#define DCRN_SDRAM0_CFGDATA 0x011 + +#define SDRAM0_B0CR 0x40 +#define SDRAM0_B1CR 0x44 +#define SDRAM0_B2CR 0x48 +#define SDRAM0_B3CR 0x4c + +static const unsigned long sdram_bxcr[] = { SDRAM0_B0CR, SDRAM0_B1CR, SDRAM0_B2CR, SDRAM0_B3CR }; + +#define SDRAM_CONFIG_BANK_ENABLE 0x00000001 +#define SDRAM_CONFIG_SIZE_MASK 0x000e0000 +#define SDRAM_CONFIG_BANK_SIZE(reg) \ + (0x00400000 << ((reg & SDRAM_CONFIG_SIZE_MASK) >> 17)) + +/* 440GP Clock, PM, chip control */ +#define DCRN_CPC0_SR 0x0b0 +#define DCRN_CPC0_ER 0x0b1 +#define DCRN_CPC0_FR 0x0b2 +#define DCRN_CPC0_SYS0 0x0e0 +#define CPC0_SYS0_TUNE 0xffc00000 +#define CPC0_SYS0_FBDV_MASK 0x003c0000 +#define CPC0_SYS0_FWDVA_MASK 0x00038000 +#define CPC0_SYS0_FWDVB_MASK 0x00007000 +#define CPC0_SYS0_OPDV_MASK 0x00000c00 +#define CPC0_SYS0_EPDV_MASK 0x00000300 +/* Helper macros to compute the actual clock divider values from the + * encodings in the CPC0 register */ +#define CPC0_SYS0_FBDV(reg) \ + ((((((reg) & CPC0_SYS0_FBDV_MASK) >> 18) - 1) & 0xf) + 1) +#define CPC0_SYS0_FWDVA(reg) \ + (8 - (((reg) & CPC0_SYS0_FWDVA_MASK) >> 15)) +#define CPC0_SYS0_FWDVB(reg) \ + (8 - (((reg) & CPC0_SYS0_FWDVB_MASK) >> 12)) +#define CPC0_SYS0_OPDV(reg) \ + ((((reg) & CPC0_SYS0_OPDV_MASK) >> 10) + 1) +#define CPC0_SYS0_EPDV(reg) \ + ((((reg) & CPC0_SYS0_EPDV_MASK) >> 8) + 1) +#define CPC0_SYS0_EXTSL 0x00000080 +#define CPC0_SYS0_RW_MASK 0x00000060 +#define CPC0_SYS0_RL 0x00000010 +#define CPC0_SYS0_ZMIISL_MASK 0x0000000c +#define CPC0_SYS0_BYPASS 0x00000002 +#define CPC0_SYS0_NTO1 0x00000001 +#define DCRN_CPC0_SYS1 0x0e1 +#define DCRN_CPC0_CUST0 0x0e2 +#define DCRN_CPC0_CUST1 0x0e3 +#define DCRN_CPC0_STRP0 0x0e4 +#define DCRN_CPC0_STRP1 0x0e5 +#define DCRN_CPC0_STRP2 0x0e6 +#define DCRN_CPC0_STRP3 0x0e7 +#define DCRN_CPC0_GPIO 0x0e8 +#define DCRN_CPC0_PLB 0x0e9 +#define DCRN_CPC0_CR1 0x0ea +#define DCRN_CPC0_CR0 0x0eb +#define CPC0_CR0_SWE 0x80000000 +#define CPC0_CR0_CETE 0x40000000 +#define CPC0_CR0_U1FCS 0x20000000 +#define CPC0_CR0_U0DTE 0x10000000 +#define CPC0_CR0_U0DRE 0x08000000 +#define CPC0_CR0_U0DC 0x04000000 +#define CPC0_CR0_U1DTE 0x02000000 +#define CPC0_CR0_U1DRE 0x01000000 +#define CPC0_CR0_U1DC 0x00800000 +#define CPC0_CR0_U0EC 0x00400000 +#define CPC0_CR0_U1EC 0x00200000 +#define CPC0_CR0_UDIV_MASK 0x001f0000 +#define CPC0_CR0_UDIV(reg) \ + ((((reg) & CPC0_CR0_UDIV_MASK) >> 16) + 1) +#define DCRN_CPC0_MIRQ0 0x0ec +#define DCRN_CPC0_MIRQ1 0x0ed +#define DCRN_CPC0_JTAGID 0x0ef + +#endif /* _PPC_BOOT_DCR_H_ */ diff --git a/arch/powerpc/boot/dts/ebony.dts b/arch/powerpc/boot/dts/ebony.dts new file mode 100644 index 00000000000..b67918651c4 --- /dev/null +++ b/arch/powerpc/boot/dts/ebony.dts @@ -0,0 +1,307 @@ +/* + * Device Tree Source for IBM Ebony + * + * Copyright (c) 2006, 2007 IBM Corp. + * Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com> + * + * FIXME: Draft only! + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without + * any warranty of any kind, whether express or implied. + * + * To build: + * dtc -I dts -O asm -o ebony.S -b 0 ebony.dts + * dtc -I dts -O dtb -o ebony.dtb -b 0 ebony.dts + */ + +/ { + #address-cells = <2>; + #size-cells = <1>; + model = "ibm,ebony"; + compatible = "ibm,ebony"; + dcr-parent = <&/cpus/PowerPC,440GP@0>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,440GP@0 { + device_type = "cpu"; + reg = <0>; + clock-frequency = <0>; // Filled in by zImage + timebase-frequency = <0>; // Filled in by zImage + i-cache-line-size = <32>; + d-cache-line-size = <32>; + i-cache-size = <0>; + d-cache-size = <0>; + dcr-controller; + dcr-access-method = "native"; + }; + }; + + memory { + device_type = "memory"; + reg = <0 0 0>; // Filled in by zImage + }; + + UIC0: interrupt-controller0 { + device_type = "ibm,uic"; + compatible = "ibm,uic-440gp", "ibm,uic"; + interrupt-controller; + cell-index = <0>; + dcr-reg = <0c0 009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + + }; + + UIC1: interrupt-controller1 { + device_type = "ibm,uic"; + compatible = "ibm,uic-440gp", "ibm,uic"; + interrupt-controller; + cell-index = <1>; + dcr-reg = <0d0 009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + interrupts = <1e 4 1f 4>; /* cascade */ + interrupt-parent = <&UIC0>; + }; + + CPC0: cpc { + device_type = "ibm,cpc"; + compatible = "ibm,cpc-440gp"; + dcr-reg = <0b0 003 0e0 010>; + // FIXME: anything else? + }; + + plb { + device_type = "ibm,plb"; + compatible = "ibm,plb-440gp", "ibm,plb4"; + #address-cells = <2>; + #size-cells = <1>; + ranges; + clock-frequency = <0>; // Filled in by zImage + + SDRAM0: sdram { + device_type = "memory-controller"; + compatible = "ibm,sdram-440gp", "ibm,sdram"; + dcr-reg = <010 2>; + // FIXME: anything else? + }; + + DMA0: dma { + // FIXME: ??? + device_type = "ibm,dma-4xx"; + compatible = "ibm,dma-440gp", "ibm,dma-4xx"; + dcr-reg = <100 027>; + }; + + MAL0: mcmal { + device_type = "mcmal-dma"; + compatible = "ibm,mcmal-440gp", "ibm,mcmal"; + dcr-reg = <180 62>; + num-tx-chans = <4>; + num-rx-chans = <4>; + interrupt-parent = <&MAL0>; + interrupts = <0 1 2 3 4>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = </*TXEOB*/ 0 &UIC0 a 4 + /*RXEOB*/ 1 &UIC0 b 4 + /*SERR*/ 2 &UIC1 0 4 + /*TXDE*/ 3 &UIC1 1 4 + /*RXDE*/ 4 &UIC1 2 4>; + interrupt-map-mask = <ffffffff>; + }; + + POB0: opb { + device_type = "ibm,opb"; + compatible = "ibm,opb-440gp", "ibm,opb"; + #address-cells = <1>; + #size-cells = <1>; + /* Wish there was a nicer way of specifying a full 32-bit + range */ + ranges = <00000000 1 00000000 80000000 + 80000000 1 80000000 80000000>; + dcr-reg = <090 00b>; + interrupt-parent = <&UIC1>; + interrupts = <7 4>; + clock-frequency = <0>; // Filled in by zImage + + EBC0: ebc { + device_type = "ibm,ebc"; + compatible = "ibm,ebc-440gp"; + dcr-reg = <012 2>; + #address-cells = <2>; + #size-cells = <1>; + clock-frequency = <0>; // Filled in by zImage + ranges = <0 00000000 fff00000 100000 + 1 00000000 48000000 100000 + 2 00000000 ff800000 400000 + 3 00000000 48200000 100000 + 7 00000000 48300000 100000>; + interrupts = <5 4>; + interrupt-parent = <&UIC1>; + + small-flash@0,0 { + device_type = "rom"; + compatible = "direct-mapped"; + probe-type = "JEDEC"; + bank-width = <1>; + partitions = <0 80000>; + partition-names = "OpenBIOS"; + reg = <0 80000 80000>; + }; + + ds1743@1,0 { + /* NVRAM & RTC */ + device_type = "nvram"; + compatible = "ds1743"; + reg = <1 0 2000>; + }; + + large-flash@2,0 { + device_type = "rom"; + compatible = "direct-mapped"; + probe-type = "JEDEC"; + bank-width = <1>; + partitions = <0 380000 + 280000 80000>; + partition-names = "fs", "firmware"; + reg = <2 0 400000>; + }; + + ir@3,0 { + reg = <3 0 10>; + }; + + fpga@7,0 { + compatible = "Ebony-FPGA"; + reg = <7 0 10>; + }; + }; + + UART0: serial@40000200 { + device_type = "serial"; + compatible = "ns16550"; + reg = <40000200 8>; + virtual-reg = <e0000200>; + clock-frequency = <A8C000>; + current-speed = <2580>; + interrupt-parent = <&UIC0>; + interrupts = <0 4>; + }; + + UART1: serial@40000300 { + device_type = "serial"; + compatible = "ns16550"; + reg = <40000300 8>; + virtual-reg = <e0000300>; + clock-frequency = <A8C000>; + current-speed = <2580>; + interrupt-parent = <&UIC0>; + interrupts = <1 4>; + }; + + IIC0: i2c@40000400 { + /* FIXME */ + device_type = "i2c"; + compatible = "ibm,iic-440gp", "ibm,iic"; + reg = <40000400 14>; + interrupt-parent = <&UIC0>; + interrupts = <2 4>; + }; + IIC1: i2c@40000500 { + /* FIXME */ + device_type = "i2c"; + compatible = "ibm,iic-440gp", "ibm,iic"; + reg = <40000500 14>; + interrupt-parent = <&UIC0>; + interrupts = <3 4>; + }; + + GPIO0: gpio@40000700 { + /* FIXME */ + device_type = "gpio"; + compatible = "ibm,gpio-440gp"; + reg = <40000700 20>; + }; + + ZMII0: emac-zmii@40000780 { + device_type = "emac-zmii"; + compatible = "ibm,zmii-440gp", "ibm,zmii"; + reg = <40000780 c>; + }; + + EMAC0: ethernet@40000800 { + linux,network-index = <0>; + device_type = "network"; + compatible = "ibm,emac-440gp", "ibm,emac"; + interrupt-parent = <&UIC1>; + interrupts = <1c 4 1d 4>; + reg = <40000800 70>; + local-mac-address = [000000000000]; // Filled in by zImage + mal-device = <&MAL0>; + mal-tx-channel = <0 1>; + mal-rx-channel = <0>; + cell-index = <0>; + max-frame-size = <5dc>; + rx-fifo-size = <1000>; + tx-fifo-size = <800>; + phy-mode = "rmii"; + phy-map = <00000001>; + zmii-device = <&ZMII0>; + zmii-channel = <0>; + }; + EMAC1: ethernet@40000900 { + linux,network-index = <1>; + device_type = "network"; + compatible = "ibm,emac-440gp", "ibm,emac"; + interrupt-parent = <&UIC1>; + interrupts = <1e 4 1f 4>; + reg = <40000900 70>; + local-mac-address = [000000000000]; // Filled in by zImage + mal-device = <&MAL0>; + mal-tx-channel = <2 3>; + mal-rx-channel = <1>; + cell-index = <1>; + max-frame-size = <5dc>; + rx-fifo-size = <1000>; + tx-fifo-size = <800>; + phy-mode = "rmii"; + phy-map = <00000001>; + zmii-device = <&ZMII0>; + zmii-channel = <1>; + }; + + + GPT0: gpt@40000a00 { + /* FIXME */ + reg = <40000a00 d4>; + interrupt-parent = <&UIC0>; + interrupts = <12 4 13 4 14 4 15 4 16 4>; + }; + + }; + + PCIX0: pci@1234 { + device_type = "pci"; + /* FIXME */ + reg = <2 0ec00000 8 + 2 0ec80000 f0 + 2 0ec80100 fc>; + }; + }; + + chosen { + linux,stdout-path = "/plb/opb/serial@40000200"; +// linux,initrd-start = <0>; /* FIXME */ +// linux,initrd-end = <0>; +// bootargs = ""; + }; +}; + diff --git a/arch/powerpc/boot/dts/holly.dts b/arch/powerpc/boot/dts/holly.dts new file mode 100644 index 00000000000..254499b107f --- /dev/null +++ b/arch/powerpc/boot/dts/holly.dts @@ -0,0 +1,198 @@ +/* + * Device Tree Source for IBM Holly (PPC 750CL with TSI controller) + * Copyright 2007, IBM Corporation + * + * Stephen Winiecki <stevewin@us.ibm.com> + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without + * any warranty of any kind, whether express or implied. + * + * To build: + * dtc -I dts -O asm -o holly.S -b 0 holly.dts + * dtc -I dts -O dtb -o holly.dtb -b 0 holly.dts + */ + +/ { + model = "41K7339"; + compatible = "ibm,holly"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells =<0>; + PowerPC,750CL@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <20>; + i-cache-line-size = <20>; + d-cache-size = <8000>; + i-cache-size = <8000>; + d-cache-sets = <80>; + i-cache-sets = <80>; + timebase-frequency = <2faf080>; + clock-frequency = <23c34600>; + bus-frequency = <bebc200>; + 32-bit; + }; + }; + + memory@0 { + device_type = "memory"; + reg = <00000000 20000000>; + }; + + tsi109@c0000000 { + device_type = "tsi-bridge"; + compatible = "tsi-bridge"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <00000000 c0000000 00010000>; + reg = <c0000000 00010000>; + + i2c@7000 { + device_type = "i2c"; + compatible = "tsi-i2c"; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <e 2>; + reg = <7000 400>; + }; + + mdio@6000 { + device_type = "mdio"; + compatible = "tsi-ethernet"; + + PHY1: ethernet-phy@6000 { + device_type = "ethernet-phy"; + compatible = "bcm54xx"; + reg = <6000 50>; + phy-id = <1>; + }; + + PHY2: ethernet-phy@6400 { + device_type = "ethernet-phy"; + compatible = "bcm54xx"; + reg = <6000 50>; + phy-id = <2>; + }; + }; + + ethernet@6200 { + device_type = "network"; + compatible = "tsi-ethernet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <6000 200>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <10 2>; + phy-handle = <&PHY1>; + }; + + ethernet@6600 { + device_type = "network"; + compatible = "tsi-ethernet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <6400 200>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <11 2>; + phy-handle = <&PHY2>; + }; + + serial@7808 { + device_type = "serial"; + compatible = "ns16550"; + reg = <7808 200>; + virtual-reg = <c0007808>; + clock-frequency = <3F9C6000>; + current-speed = <1c200>; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <c 2>; + }; + + serial@7c08 { + device_type = "serial"; + compatible = "ns16550"; + reg = <7c08 200>; + virtual-reg = <c0007c08>; + clock-frequency = <3F9C6000>; + current-speed = <1c200>; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <d 2>; + }; + + MPIC: pic@7400 { + device_type = "open-pic"; + compatible = "chrp,open-pic"; + interrupt-controller; + #interrupt-cells = <2>; + reg = <7400 400>; + big-endian; + }; + + pci@1000 { + device_type = "pci"; + compatible = "tsi109"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <1000 1000>; + bus-range = <0 0>; + /*----------------------------------------------------+ + | PCI memory range. + | 01 denotes I/O space + | 02 denotes 32-bit memory space + +----------------------------------------------------*/ + ranges = <02000000 0 40000000 40000000 0 10000000 + 01000000 0 00000000 7e000000 0 00010000>; + clock-frequency = <7f28154>; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupts = <17 2>; + interrupt-map-mask = <f800 0 0 7>; + /*----------------------------------------------------+ + | The INTA, INTB, INTC, INTD are shared. + +----------------------------------------------------*/ + interrupt-map = < + 0800 0 0 1 &RT0 24 0 + 0800 0 0 2 &RT0 25 0 + 0800 0 0 3 &RT0 26 0 + 0800 0 0 4 &RT0 27 0 + + 1000 0 0 1 &RT0 25 0 + 1000 0 0 2 &RT0 26 0 + 1000 0 0 3 &RT0 27 0 + 1000 0 0 4 &RT0 24 0 + + 1800 0 0 1 &RT0 26 0 + 1800 0 0 2 &RT0 27 0 + 1800 0 0 3 &RT0 24 0 + 1800 0 0 4 &RT0 25 0 + + 2000 0 0 1 &RT0 27 0 + 2000 0 0 2 &RT0 24 0 + 2000 0 0 3 &RT0 25 0 + 2000 0 0 4 &RT0 26 0 + >; + + RT0: router@1180 { + device_type = "pic-router"; + interrupt-controller; + big-endian; + clock-frequency = <0>; + #address-cells = <0>; + #interrupt-cells = <2>; + interrupts = <17 2>; + interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + }; + }; + }; + + chosen { + linux,stdout-path = "/tsi109@c0000000/serial@7808"; + bootargs = "console=ttyS0,115200"; + }; +}; diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts index ba54c6b40a0..e13ac6ef05a 100644 --- a/arch/powerpc/boot/dts/lite5200.dts +++ b/arch/powerpc/boot/dts/lite5200.dts @@ -48,6 +48,7 @@ soc5200@f0000000 { model = "fsl,mpc5200"; + compatible = "mpc5200"; revision = "" // from bootloader #interrupt-cells = <3>; device_type = "soc"; @@ -166,7 +167,7 @@ device_type = "mscan"; compatible = "mpc5200-mscan"; cell-index = <1>; - interrupts = <1 12 0>; + interrupts = <2 12 0>; interrupt-parent = <500>; reg = <980 80>; }; @@ -178,7 +179,7 @@ interrupt-parent = <500>; }; - gpio-wkup@b00 { + gpio-wkup@c00 { compatible = "mpc5200-gpio-wkup"; reg = <c00 40>; interrupts = <1 8 0 0 3 0>; @@ -317,20 +318,22 @@ i2c@3d00 { device_type = "i2c"; - compatible = "mpc5200-i2c"; + compatible = "mpc5200-i2c\0fsl-i2c"; cell-index = <0>; reg = <3d00 40>; interrupts = <2 f 0>; interrupt-parent = <500>; + fsl5200-clocking; }; i2c@3d40 { device_type = "i2c"; - compatible = "mpc5200-i2c"; + compatible = "mpc5200-i2c\0fsl-i2c"; cell-index = <1>; reg = <3d40 40>; interrupts = <2 10 0>; interrupt-parent = <500>; + fsl5200-clocking; }; sram@8000 { device_type = "sram"; diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts index 2e003081b0d..00211b39a34 100644 --- a/arch/powerpc/boot/dts/lite5200b.dts +++ b/arch/powerpc/boot/dts/lite5200b.dts @@ -48,6 +48,7 @@ soc5200@f0000000 { model = "fsl,mpc5200b"; + compatible = "mpc5200"; revision = ""; // from bootloader #interrupt-cells = <3>; device_type = "soc"; @@ -166,7 +167,7 @@ device_type = "mscan"; compatible = "mpc5200b-mscan\0mpc5200-mscan"; cell-index = <1>; - interrupts = <1 12 0>; + interrupts = <2 12 0>; interrupt-parent = <500>; reg = <980 80>; }; @@ -178,7 +179,7 @@ interrupt-parent = <500>; }; - gpio-wkup@b00 { + gpio-wkup@c00 { compatible = "mpc5200b-gpio-wkup\0mpc5200-gpio-wkup"; reg = <c00 40>; interrupts = <1 8 0 0 3 0>; @@ -322,20 +323,22 @@ i2c@3d00 { device_type = "i2c"; - compatible = "mpc5200b-i2c\0mpc5200-i2c"; + compatible = "mpc5200b-i2c\0mpc5200-i2c\0fsl-i2c"; cell-index = <0>; reg = <3d00 40>; interrupts = <2 f 0>; interrupt-parent = <500>; + fsl5200-clocking; }; i2c@3d40 { device_type = "i2c"; - compatible = "mpc5200b-i2c\0mpc5200-i2c"; + compatible = "mpc5200b-i2c\0mpc5200-i2c\0fsl-i2c"; cell-index = <1>; reg = <3d40 40>; interrupts = <2 10 0>; interrupt-parent = <500>; + fsl5200-clocking; }; sram@8000 { device_type = "sram"; diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts index c798491f4cd..93b76069601 100644 --- a/arch/powerpc/boot/dts/mpc832x_mds.dts +++ b/arch/powerpc/boot/dts/mpc832x_mds.dts @@ -306,14 +306,12 @@ interrupts = <11 8>; reg = <3>; device_type = "ethernet-phy"; - interface = <3>; //ENET_100_MII }; phy4: ethernet-phy@04 { interrupt-parent = < &ipic >; interrupts = <12 8>; reg = <4>; device_type = "ethernet-phy"; - interface = <3>; }; }; diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts index b55bced1593..be4c35784e4 100644 --- a/arch/powerpc/boot/dts/mpc832x_rdb.dts +++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts @@ -265,14 +265,12 @@ interrupts = <0>; reg = <0>; device_type = "ethernet-phy"; - interface = <3>; //ENET_100_MII }; phy04:ethernet-phy@04 { interrupt-parent = <&pic>; interrupts = <0>; reg = <4>; device_type = "ethernet-phy"; - interface = <3>; }; }; diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts index 7f578eb5708..38c8594df3a 100644 --- a/arch/powerpc/boot/dts/mpc836x_mds.dts +++ b/arch/powerpc/boot/dts/mpc836x_mds.dts @@ -305,6 +305,7 @@ rx-clock = <0>; tx-clock = <19>; phy-handle = < &phy0 >; + phy-connection-type = "rgmii-id"; pio-handle = < &pio1 >; }; @@ -320,6 +321,7 @@ rx-clock = <0>; tx-clock = <14>; phy-handle = < &phy1 >; + phy-connection-type = "rgmii-id"; pio-handle = < &pio2 >; }; @@ -335,14 +337,12 @@ interrupts = <11 8>; reg = <0>; device_type = "ethernet-phy"; - interface = <6>; //ENET_1000_GMII }; phy1: ethernet-phy@01 { interrupt-parent = < &ipic >; interrupts = <12 8>; reg = <1>; device_type = "ethernet-phy"; - interface = <6>; }; }; diff --git a/arch/powerpc/boot/dts/mpc8568mds.dts b/arch/powerpc/boot/dts/mpc8568mds.dts index 7361b36749c..948a3b61bd4 100644 --- a/arch/powerpc/boot/dts/mpc8568mds.dts +++ b/arch/powerpc/boot/dts/mpc8568mds.dts @@ -288,6 +288,7 @@ rx-clock = <0>; tx-clock = <19>; phy-handle = <&qe_phy0>; + phy-connection-type = "gmii"; pio-handle = <&pio1>; }; @@ -303,6 +304,7 @@ rx-clock = <0>; tx-clock = <14>; phy-handle = <&qe_phy1>; + phy-connection-type = "gmii"; pio-handle = <&pio2>; }; @@ -320,28 +322,24 @@ interrupts = <31 1>; reg = <0>; device_type = "ethernet-phy"; - interface = <6>; //ENET_1000_GMII }; qe_phy1: ethernet-phy@01 { interrupt-parent = <&mpic>; interrupts = <32 1>; reg = <1>; device_type = "ethernet-phy"; - interface = <6>; }; qe_phy2: ethernet-phy@02 { interrupt-parent = <&mpic>; interrupts = <31 1>; reg = <2>; device_type = "ethernet-phy"; - interface = <6>; //ENET_1000_GMII }; qe_phy3: ethernet-phy@03 { interrupt-parent = <&mpic>; interrupts = <32 1>; reg = <3>; device_type = "ethernet-phy"; - interface = <6>; //ENET_1000_GMII }; }; diff --git a/arch/powerpc/boot/ebony.c b/arch/powerpc/boot/ebony.c new file mode 100644 index 00000000000..b1251ee7a10 --- /dev/null +++ b/arch/powerpc/boot/ebony.c @@ -0,0 +1,129 @@ +/* + * Copyright 2007 David Gibson, IBM Corporation. + * + * Based on earlier code: + * Copyright (C) Paul Mackerras 1997. + * + * Matt Porter <mporter@kernel.crashing.org> + * Copyright 2002-2005 MontaVista Software Inc. + * + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * Copyright (c) 2003, 2004 Zultys Technologies + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <stdarg.h> +#include <stddef.h> +#include "types.h" +#include "elf.h" +#include "string.h" +#include "stdio.h" +#include "page.h" +#include "ops.h" +#include "reg.h" +#include "dcr.h" +#include "44x.h" + +extern char _dtb_start[]; +extern char _dtb_end[]; + +static u8 *ebony_mac0, *ebony_mac1; + +/* Calculate 440GP clocks */ +void ibm440gp_fixup_clocks(unsigned int sysclk, unsigned int ser_clk) +{ + u32 sys0 = mfdcr(DCRN_CPC0_SYS0); + u32 cr0 = mfdcr(DCRN_CPC0_CR0); + u32 cpu, plb, opb, ebc, tb, uart0, uart1, m; + u32 opdv = CPC0_SYS0_OPDV(sys0); + u32 epdv = CPC0_SYS0_EPDV(sys0); + + if (sys0 & CPC0_SYS0_BYPASS) { + /* Bypass system PLL */ + cpu = plb = sysclk; + } else { + if (sys0 & CPC0_SYS0_EXTSL) + /* PerClk */ + m = CPC0_SYS0_FWDVB(sys0) * opdv * epdv; + else + /* CPU clock */ + m = CPC0_SYS0_FBDV(sys0) * CPC0_SYS0_FWDVA(sys0); + cpu = sysclk * m / CPC0_SYS0_FWDVA(sys0); + plb = sysclk * m / CPC0_SYS0_FWDVB(sys0); + } + + opb = plb / opdv; + ebc = opb / epdv; + + /* FIXME: Check if this is for all 440GP, or just Ebony */ + if ((mfpvr() & 0xf0000fff) == 0x40000440) + /* Rev. B 440GP, use external system clock */ + tb = sysclk; + else + /* Rev. C 440GP, errata force us to use internal clock */ + tb = cpu; + + if (cr0 & CPC0_CR0_U0EC) + /* External UART clock */ + uart0 = ser_clk; + else + /* Internal UART clock */ + uart0 = plb / CPC0_CR0_UDIV(cr0); + + if (cr0 & CPC0_CR0_U1EC) + /* External UART clock */ + uart1 = ser_clk; + else + /* Internal UART clock */ + uart1 = plb / CPC0_CR0_UDIV(cr0); + + printf("PPC440GP: SysClk = %dMHz (%x)\n\r", + (sysclk + 500000) / 1000000, sysclk); + + dt_fixup_cpu_clocks(cpu, tb, 0); + + dt_fixup_clock("/plb", plb); + dt_fixup_clock("/plb/opb", opb); + dt_fixup_clock("/plb/opb/ebc", ebc); + dt_fixup_clock("/plb/opb/serial@40000200", uart0); + dt_fixup_clock("/plb/opb/serial@40000300", uart1); +} + +static void ebony_fixups(void) +{ + // FIXME: sysclk should be derived by reading the FPGA registers + unsigned long sysclk = 33000000; + + ibm440gp_fixup_clocks(sysclk, 6 * 1843200); + ibm44x_fixup_memsize(); + dt_fixup_mac_addresses(ebony_mac0, ebony_mac1); +} + +#define SPRN_DBCR0 0x134 +#define DBCR0_RST_SYSTEM 0x30000000 + +static void ebony_exit(void) +{ + unsigned long tmp; + + asm volatile ( + "mfspr %0,%1\n" + "oris %0,%0,%2@h\n" + "mtspr %1,%0" + : "=&r"(tmp) : "i"(SPRN_DBCR0), "i"(DBCR0_RST_SYSTEM) + ); + +} + +void ebony_init(void *mac0, void *mac1) +{ + platform_ops.fixups = ebony_fixups; + platform_ops.exit = ebony_exit; + ebony_mac0 = mac0; + ebony_mac1 = mac1; + ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + serial_console_init(); +} diff --git a/arch/powerpc/boot/holly.c b/arch/powerpc/boot/holly.c new file mode 100644 index 00000000000..7d6539f5e22 --- /dev/null +++ b/arch/powerpc/boot/holly.c @@ -0,0 +1,38 @@ +/* + * Copyright 2007 IBM Corporation + * + * Stephen Winiecki <stevewin@us.ibm.com> + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * Based on earlier code: + * Copyright (C) Paul Mackerras 1997. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ +#include <stdarg.h> +#include <stddef.h> +#include "types.h" +#include "elf.h" +#include "string.h" +#include "stdio.h" +#include "page.h" +#include "ops.h" +#include "io.h" + +extern char _start[]; +extern char _end[]; +extern char _dtb_start[]; +extern char _dtb_end[]; + +BSS_STACK(4096); + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5) +{ + u32 heapsize = 0x8000000 - (u32)_end; /* 128M */ + + simple_alloc_init(_end, heapsize, 32, 64); + ft_init(_dtb_start, 0, 4); + serial_console_init(); +} diff --git a/arch/powerpc/boot/mktree.c b/arch/powerpc/boot/mktree.c index 4cb89299365..45d06a8c7cd 100644 --- a/arch/powerpc/boot/mktree.c +++ b/arch/powerpc/boot/mktree.c @@ -46,8 +46,8 @@ int main(int argc, char *argv[]) struct stat st; boot_block_t bt; - if (argc < 3) { - fprintf(stderr, "usage: %s <zImage-file> <boot-image> [entry-point]\n",argv[0]); + if (argc < 5) { + fprintf(stderr, "usage: %s <zImage-file> <boot-image> <load address> <entry point>\n",argv[0]); exit(1); } @@ -61,10 +61,8 @@ int main(int argc, char *argv[]) bt.bb_magic = htonl(0x0052504F); /* If we have the optional entry point parameter, use it */ - if (argc == 4) - bt.bb_dest = bt.bb_entry_point = htonl(strtoul(argv[3], NULL, 0)); - else - bt.bb_dest = bt.bb_entry_point = htonl(0x500000); + bt.bb_dest = htonl(strtoul(argv[3], NULL, 0)); + bt.bb_entry_point = htonl(strtoul(argv[4], NULL, 0)); /* We know these from the linker command. * ...and then move it up into memory a little more so the diff --git a/arch/powerpc/boot/treeboot-ebony.c b/arch/powerpc/boot/treeboot-ebony.c new file mode 100644 index 00000000000..8436a9c5519 --- /dev/null +++ b/arch/powerpc/boot/treeboot-ebony.c @@ -0,0 +1,34 @@ +/* + * Old U-boot compatibility for Ebony + * + * Author: David Gibson <david@gibson.dropbear.id.au> + * + * Copyright 2007 David Gibson, IBM Corporatio. + * Based on cuboot-83xx.c, which is: + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "stdio.h" +#include "44x.h" + +extern char _end[]; + +BSS_STACK(4096); + +#define OPENBIOS_MAC_BASE 0xfffffe0c +#define OPENBIOS_MAC_OFFSET 0xc + +void platform_init(void) +{ + unsigned long end_of_ram = 0x8000000; + unsigned long avail_ram = end_of_ram - (unsigned long)_end; + + simple_alloc_init(_end, avail_ram, 32, 64); + ebony_init((u8 *)OPENBIOS_MAC_BASE, + (u8 *)(OPENBIOS_MAC_BASE + OPENBIOS_MAC_OFFSET)); +} diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 5cedd901201..2ed8b8b3f0e 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -163,20 +163,19 @@ fi vmz="$vmz$gzip" -case "$platform" in -uboot|cuboot*) - version=`${CROSS}strings "$kernel" | grep '^Linux version [-0-9.]' | \ - cut -d' ' -f3` - if [ -n "$version" ]; then - version="-n Linux-$version" - fi -esac +# Extract kernel version information, some platforms want to include +# it in the image header +version=`${CROSS}strings "$kernel" | grep '^Linux version [-0-9.]' | \ + cut -d' ' -f3` +if [ -n "$version" ]; then + uboot_version="-n Linux-$version" +fi case "$platform" in uboot) rm -f "$ofile" mkimage -A ppc -O linux -T kernel -C gzip -a 00000000 -e 00000000 \ - $version -d "$vmz" "$ofile" + $uboot_version -d "$vmz" "$ofile" if [ -z "$cacheit" ]; then rm -f "$vmz" fi @@ -212,25 +211,32 @@ if [ "$platform" != "miboot" ]; then rm $tmp fi +# Some platforms need the zImage's entry point and base address +base=0x`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1` +entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | cut -d' ' -f3` + # post-processing needed for some platforms case "$platform" in pseries|chrp) $object/addnote "$ofile" ;; pmaccoff) - entry=`objdump -f "$ofile" | grep '^start address ' | \ - cut -d' ' -f3` ${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile" $object/hack-coff "$ofile" ;; cuboot*) - base=`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1` - entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | \ - cut -d' ' -f3` mv "$ofile" "$ofile".elf ${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin gzip -f -9 "$ofile".bin mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \ - $version -d "$ofile".bin.gz "$ofile" + $uboot_version -d "$ofile".bin.gz "$ofile" + ;; +treeboot*) + mv "$ofile" "$ofile.elf" + $object/mktree "$ofile.elf" "$ofile" "$base" "$entry" + if [ -z "$cacheit" ]; then + rm -f "$ofile.elf" + fi + exit 0 ;; esac diff --git a/arch/powerpc/configs/ebony_defconfig b/arch/powerpc/configs/ebony_defconfig new file mode 100644 index 00000000000..c3b96ef3c2d --- /dev/null +++ b/arch/powerpc/configs/ebony_defconfig @@ -0,0 +1,905 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.21 +# Fri May 4 13:47:08 2007 +# +# CONFIG_PPC64 is not set +CONFIG_PPC32=y +CONFIG_PPC_MERGE=y +CONFIG_MMU=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_IRQ_PER_CPU=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +# CONFIG_PPC_UDBG_16550 is not set +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +# CONFIG_DEFAULT_UIMAGE is not set + +# +# Processor support +# +# CONFIG_CLASSIC32 is not set +# CONFIG_PPC_82xx is not set +# CONFIG_PPC_83xx is not set +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_86xx is not set +# CONFIG_PPC_8xx is not set +# CONFIG_40x is not set +CONFIG_44x=y +# CONFIG_E200 is not set +CONFIG_PPC_DCR_NATIVE=y +# CONFIG_PPC_DCR_MMIO is not set +CONFIG_PPC_DCR=y +CONFIG_4xx=y +CONFIG_BOOKE=y +CONFIG_PTE_64BIT=y +CONFIG_PHYS_64BIT=y +CONFIG_NOT_COHERENT_CACHE=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_POSIX_MQUEUE=y +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set +# CONFIG_AUDIT is not set +# CONFIG_IKCONFIG is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +CONFIG_KALLSYMS_ALL=y +CONFIG_KALLSYMS_EXTRA_PASS=y +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SHMEM=y +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set + +# +# Loadable module support +# +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y + +# +# Block layer +# +CONFIG_BLOCK=y +CONFIG_LBD=y +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# +# Platform support +# +# CONFIG_PPC_MPC52xx is not set +# CONFIG_PPC_MPC5200 is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_PQ2ADS is not set +CONFIG_EBONY=y +CONFIG_440GP=y +# CONFIG_MPIC is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +# CONFIG_CPM2 is not set + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set +CONFIG_MATH_EMULATION=y +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_RESOURCES_64BIT=y +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_PROC_DEVICETREE=y +# CONFIG_CMDLINE_BOOL is not set +CONFIG_SECCOMP=y +CONFIG_WANT_DEVICE_TREE=y +CONFIG_DEVICE_TREE="ebony.dts" +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_PPC_INDIRECT_PCI=y +# CONFIG_PPC_INDIRECT_PCI_BE is not set +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +# CONFIG_PCIEPORTBUS is not set +# CONFIG_PCI_DEBUG is not set + +# +# PCCARD (PCMCIA/CardBus) support +# +# CONFIG_PCCARD is not set + +# +# PCI Hotplug Support +# +# CONFIG_HOTPLUG_PCI is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_HIGHMEM_START=0xfe000000 +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_TASK_SIZE=0x80000000 +CONFIG_CONSISTENT_START=0xff100000 +CONFIG_CONSISTENT_SIZE=0x00200000 +CONFIG_BOOT_LOAD=0x01000000 + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_IEEE80211 is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +CONFIG_CONNECTOR=y +CONFIG_PROC_EVENTS=y +# CONFIG_MTD is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# +# CONFIG_PNPACPI is not set + +# +# Block devices +# +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +# CONFIG_BLK_DEV_LOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_SX8 is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=35000 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set + +# +# Misc devices +# +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set + +# +# ATA/ATAPI/MFM/RLL support +# +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set +# CONFIG_SCSI_NETLINK is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# +# CONFIG_ATA is not set + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# Fusion MPT device support +# +# CONFIG_FUSION is not set + +# +# IEEE 1394 (FireWire) support +# +# CONFIG_IEEE1394 is not set + +# +# I2O device support +# +# CONFIG_I2O is not set +# CONFIG_MACINTOSH_DRIVERS is not set + +# +# Network device support +# +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set + +# +# ARCnet devices +# +# CONFIG_ARCNET is not set + +# +# PHY device support +# + +# +# Ethernet (10 or 100Mbit) +# +# CONFIG_NET_ETHERNET is not set +CONFIG_IBM_NEW_EMAC=y +CONFIG_IBM_NEW_EMAC_RXB=128 +CONFIG_IBM_NEW_EMAC_TXB=64 +CONFIG_IBM_NEW_EMAC_POLL_WEIGHT=32 +CONFIG_IBM_NEW_EMAC_RX_COPY_THRESHOLD=256 +CONFIG_IBM_NEW_EMAC_RX_SKB_HEADROOM=0 +# CONFIG_IBM_NEW_EMAC_DEBUG is not set +CONFIG_IBM_NEW_EMAC_ZMII=y +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set + +# +# Ethernet (1000 Mbit) +# +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +# CONFIG_E1000 is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_SK98LIN is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +# CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set + +# +# Ethernet (10000 Mbit) +# +# CONFIG_CHELSIO_T1 is not set +# CONFIG_CHELSIO_T3 is not set +# CONFIG_IXGB is not set +# CONFIG_S2IO is not set +# CONFIG_MYRI10GE is not set +# CONFIG_NETXEN_NIC is not set + +# +# Token Ring devices +# +# CONFIG_TR is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set + +# +# Wan interfaces +# +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set + +# +# ISDN subsystem +# +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +# CONFIG_INPUT is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_SERIAL_8250_PCI is not set +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_8250_MANY_PORTS is not set +CONFIG_SERIAL_8250_SHARE_IRQ=y +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set + +# +# Watchdog Cards +# +# CONFIG_WATCHDOG is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_NVRAM is not set +# CONFIG_GEN_RTC is not set +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_AGP is not set +# CONFIG_DRM is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set + +# +# I2C support +# +# CONFIG_I2C is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set + +# +# Hardware Monitoring support +# +# CONFIG_HWMON is not set +# CONFIG_HWMON_VID is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set + +# +# Digital Video Broadcasting Devices +# +# CONFIG_DVB is not set + +# +# Graphics support +# +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set +# CONFIG_FB is not set +# CONFIG_FB_IBM_GXT4500 is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# USB support +# +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +# CONFIG_USB is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set + +# +# MMC/SD Card support +# +# CONFIG_MMC is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# +# InfiniBand support +# +# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# Auxiliary Display support +# + +# +# Virtualization +# + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +# CONFIG_EXT3_FS is not set +# CONFIG_EXT4DEV_FS is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_CRAMFS=y +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +# CONFIG_NFS_DIRECTIO is not set +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y + +# +# Native Language Support +# +# CONFIG_NLS is not set + +# +# Distributed Lock Manager +# +# CONFIG_DLM is not set +# CONFIG_UCC_SLOW is not set +# CONFIG_UCC_FAST is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +CONFIG_CRC32=y +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y + +# +# Instrumentation Support +# +# CONFIG_PROFILING is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set +CONFIG_FORCED_INLINING=y +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_DEBUG_STACKOVERFLOW is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_PAGEALLOC is not set +# CONFIG_DEBUGGER is not set +# CONFIG_BDI_SWITCH is not set +# CONFIG_BOOTX_TEXT is not set +# CONFIG_SERIAL_TEXT_DEBUG is not set +# CONFIG_PPC_EARLY_DEBUG is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set + +# +# Cryptographic options +# +CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_MANAGER=y +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_WP512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_GF128MUL is not set +CONFIG_CRYPTO_ECB=y +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_PCBC=y +# CONFIG_CRYPTO_LRW is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_TWOFISH is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Hardware crypto devices +# diff --git a/arch/powerpc/configs/holly_defconfig b/arch/powerpc/configs/holly_defconfig new file mode 100644 index 00000000000..be633b9b57c --- /dev/null +++ b/arch/powerpc/configs/holly_defconfig @@ -0,0 +1,1070 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.21 +# Sat May 5 11:02:35 2007 +# +# CONFIG_PPC64 is not set +CONFIG_PPC32=y +CONFIG_PPC_MERGE=y +CONFIG_MMU=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_IRQ_PER_CPU=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_PPC_UDBG_16550=y +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +# CONFIG_DEFAULT_UIMAGE is not set + +# +# Processor support +# +CONFIG_CLASSIC32=y +# CONFIG_PPC_82xx is not set +# CONFIG_PPC_83xx is not set +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_86xx is not set +# CONFIG_PPC_8xx is not set +# CONFIG_40x is not set +# CONFIG_44x is not set +# CONFIG_E200 is not set +CONFIG_6xx=y +CONFIG_PPC_FPU=y +# CONFIG_PPC_DCR_NATIVE is not set +# CONFIG_PPC_DCR_MMIO is not set +# CONFIG_ALTIVEC is not set +CONFIG_PPC_STD_MMU=y +CONFIG_PPC_STD_MMU_32=y +# CONFIG_SMP is not set +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set +# CONFIG_AUDIT is not set +# CONFIG_IKCONFIG is not set +CONFIG_SYSFS_DEPRECATED=y +# CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_EPOLL=y +CONFIG_SHMEM=y +CONFIG_SLAB=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set + +# +# Loadable module support +# +CONFIG_MODULES=y +# CONFIG_MODULE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +# CONFIG_KMOD is not set + +# +# Block layer +# +CONFIG_BLOCK=y +CONFIG_LBD=y +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# +# Platform support +# +# CONFIG_PPC_MULTIPLATFORM is not set +CONFIG_EMBEDDED6xx=y +# CONFIG_APUS is not set +# CONFIG_PPC_MPC52xx is not set +# CONFIG_PPC_MPC5200 is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_PQ2ADS is not set +# CONFIG_LINKSTATION is not set +# CONFIG_MPC7448HPC2 is not set +CONFIG_PPC_HOLLY=y +CONFIG_TSI108_BRIDGE=y +CONFIG_MPIC=y +CONFIG_MPIC_WEIRD=y +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +# CONFIG_TAU is not set +# CONFIG_CPM2 is not set + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_BINFMT_ELF=y +CONFIG_BINFMT_MISC=y +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_PROC_DEVICETREE=y +# CONFIG_CMDLINE_BOOL is not set +# CONFIG_PM is not set +# CONFIG_SECCOMP is not set +# CONFIG_WANT_DEVICE_TREE is not set +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_ISA_DMA=y +# CONFIG_PPC_INDIRECT_PCI is not set +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +# CONFIG_PCIEPORTBUS is not set +# CONFIG_PCI_DEBUG is not set + +# +# PCCARD (PCMCIA/CardBus) support +# +# CONFIG_PCCARD is not set + +# +# PCI Hotplug Support +# +# CONFIG_HOTPLUG_PCI is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_HIGHMEM_START=0xfe000000 +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_TASK_SIZE=0x80000000 +CONFIG_BOOT_LOAD=0x00800000 + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +CONFIG_XFRM_USER=y +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_IP_MROUTE is not set +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_IEEE80211 is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set +# CONFIG_MTD is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# +# CONFIG_PNPACPI is not set + +# +# Block devices +# +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_SX8 is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=131072 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set + +# +# Misc devices +# +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set + +# +# ATA/ATAPI/MFM/RLL support +# +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set + +# +# SCSI low-level drivers +# +# CONFIG_ISCSI_TCP is not set +# CONFIG_BLK_DEV_3W_XXXX_RAID is not set +# CONFIG_SCSI_3W_9XXX is not set +# CONFIG_SCSI_ACARD is not set +# CONFIG_SCSI_AACRAID is not set +# CONFIG_SCSI_AIC7XXX is not set +# CONFIG_SCSI_AIC7XXX_OLD is not set +# CONFIG_SCSI_AIC79XX is not set +# CONFIG_SCSI_AIC94XX is not set +# CONFIG_SCSI_DPT_I2O is not set +# CONFIG_SCSI_ARCMSR is not set +# CONFIG_MEGARAID_NEWGEN is not set +# CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set +# CONFIG_SCSI_HPTIOP is not set +# CONFIG_SCSI_BUSLOGIC is not set +# CONFIG_SCSI_DMX3191D is not set +# CONFIG_SCSI_EATA is not set +# CONFIG_SCSI_FUTURE_DOMAIN is not set +# CONFIG_SCSI_GDTH is not set +# CONFIG_SCSI_IPS is not set +# CONFIG_SCSI_INITIO is not set +# CONFIG_SCSI_INIA100 is not set +# CONFIG_SCSI_STEX is not set +# CONFIG_SCSI_SYM53C8XX_2 is not set +# CONFIG_SCSI_IPR is not set +# CONFIG_SCSI_QLOGIC_1280 is not set +# CONFIG_SCSI_QLA_FC is not set +# CONFIG_SCSI_QLA_ISCSI is not set +# CONFIG_SCSI_LPFC is not set +# CONFIG_SCSI_DC395x is not set +# CONFIG_SCSI_DC390T is not set +# CONFIG_SCSI_NSP32 is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_ESP_CORE is not set +# CONFIG_SCSI_SRP is not set + +# +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# +CONFIG_ATA=y +# CONFIG_ATA_NONSTANDARD is not set +# CONFIG_SATA_AHCI is not set +# CONFIG_SATA_SVW is not set +# CONFIG_ATA_PIIX is not set +# CONFIG_SATA_MV is not set +# CONFIG_SATA_NV is not set +# CONFIG_PDC_ADMA is not set +# CONFIG_SATA_QSTOR is not set +# CONFIG_SATA_PROMISE is not set +# CONFIG_SATA_SX4 is not set +# CONFIG_SATA_SIL is not set +# CONFIG_SATA_SIL24 is not set +# CONFIG_SATA_SIS is not set +# CONFIG_SATA_ULI is not set +# CONFIG_SATA_VIA is not set +# CONFIG_SATA_VITESSE is not set +# CONFIG_SATA_INIC162X is not set +# CONFIG_PATA_ALI is not set +# CONFIG_PATA_AMD is not set +# CONFIG_PATA_ARTOP is not set +# CONFIG_PATA_ATIIXP is not set +# CONFIG_PATA_CMD640_PCI is not set +# CONFIG_PATA_CMD64X is not set +# CONFIG_PATA_CS5520 is not set +# CONFIG_PATA_CS5530 is not set +# CONFIG_PATA_CYPRESS is not set +# CONFIG_PATA_EFAR is not set +# CONFIG_ATA_GENERIC is not set +# CONFIG_PATA_HPT366 is not set +# CONFIG_PATA_HPT37X is not set +# CONFIG_PATA_HPT3X2N is not set +# CONFIG_PATA_HPT3X3 is not set +# CONFIG_PATA_IT821X is not set +# CONFIG_PATA_IT8213 is not set +# CONFIG_PATA_JMICRON is not set +# CONFIG_PATA_TRIFLEX is not set +# CONFIG_PATA_MARVELL is not set +# CONFIG_PATA_MPIIX is not set +# CONFIG_PATA_OLDPIIX is not set +# CONFIG_PATA_NETCELL is not set +# CONFIG_PATA_NS87410 is not set +# CONFIG_PATA_OPTI is not set +# CONFIG_PATA_OPTIDMA is not set +# CONFIG_PATA_PDC_OLD is not set +# CONFIG_PATA_RADISYS is not set +# CONFIG_PATA_RZ1000 is not set +# CONFIG_PATA_SC1200 is not set +# CONFIG_PATA_SERVERWORKS is not set +# CONFIG_PATA_PDC2027X is not set +# CONFIG_PATA_SIL680 is not set +# CONFIG_PATA_SIS is not set +# CONFIG_PATA_VIA is not set +# CONFIG_PATA_WINBOND is not set +# CONFIG_PATA_PLATFORM is not set + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# Fusion MPT device support +# +# CONFIG_FUSION is not set +# CONFIG_FUSION_SPI is not set +# CONFIG_FUSION_FC is not set +# CONFIG_FUSION_SAS is not set + +# +# IEEE 1394 (FireWire) support +# +# CONFIG_IEEE1394 is not set + +# +# I2O device support +# +# CONFIG_I2O is not set +# CONFIG_MACINTOSH_DRIVERS is not set + +# +# Network device support +# +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set + +# +# ARCnet devices +# +# CONFIG_ARCNET is not set + +# +# PHY device support +# +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_FIXED_PHY is not set + +# +# Ethernet (10 or 100Mbit) +# +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_HAPPYMEAL is not set +# CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set +CONFIG_NET_VENDOR_3COM=y +CONFIG_VORTEX=y +# CONFIG_TYPHOON is not set + +# +# Tulip family network device support +# +# CONFIG_NET_TULIP is not set +# CONFIG_HP100 is not set +# CONFIG_NET_PCI is not set + +# +# Ethernet (1000 Mbit) +# +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +# CONFIG_E1000 is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_SK98LIN is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +CONFIG_TSI108_ETH=y +# CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set + +# +# Ethernet (10000 Mbit) +# +# CONFIG_CHELSIO_T1 is not set +# CONFIG_CHELSIO_T3 is not set +# CONFIG_IXGB is not set +# CONFIG_S2IO is not set +# CONFIG_MYRI10GE is not set +# CONFIG_NETXEN_NIC is not set + +# +# Token Ring devices +# +# CONFIG_TR is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set + +# +# Wan interfaces +# +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NET_FC is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set + +# +# ISDN subsystem +# +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_TSDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_SERIAL_8250_PCI is not set +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_8250_MANY_PORTS is not set +CONFIG_SERIAL_8250_SHARE_IRQ=y +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set + +# +# Watchdog Cards +# +# CONFIG_WATCHDOG is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_NVRAM is not set +CONFIG_GEN_RTC=y +# CONFIG_GEN_RTC_X is not set +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_AGP is not set +# CONFIG_DRM is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set + +# +# I2C support +# +# CONFIG_I2C is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set + +# +# Hardware Monitoring support +# +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_HWMON_DEBUG_CHIP is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set + +# +# Digital Video Broadcasting Devices +# +# CONFIG_DVB is not set + +# +# Graphics support +# +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set +# CONFIG_FB is not set +# CONFIG_FB_IBM_GXT4500 is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# HID Devices +# +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set + +# +# USB support +# +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +# CONFIG_USB is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set + +# +# MMC/SD Card support +# +# CONFIG_MMC is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# +# InfiniBand support +# +# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +# CONFIG_RTC_CLASS is not set + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# Auxiliary Display support +# + +# +# Virtualization +# + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=y +# CONFIG_NFS_V3 is not set +# CONFIG_NFS_V4 is not set +# CONFIG_NFS_DIRECTIO is not set +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set + +# +# Native Language Support +# +# CONFIG_NLS is not set + +# +# Distributed Lock Manager +# +# CONFIG_DLM is not set +# CONFIG_UCC_SLOW is not set +# CONFIG_UCC_FAST is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +CONFIG_CRC32=y +# CONFIG_LIBCRC32C is not set +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y + +# +# Instrumentation Support +# +# CONFIG_PROFILING is not set +# CONFIG_KPROBES is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set +CONFIG_FORCED_INLINING=y +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_DEBUG_STACKOVERFLOW is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_PAGEALLOC is not set +CONFIG_DEBUGGER=y +CONFIG_XMON=y +CONFIG_XMON_DEFAULT=y +CONFIG_XMON_DISASSEMBLY=y +# CONFIG_BDI_SWITCH is not set +# CONFIG_BOOTX_TEXT is not set +# CONFIG_PPC_EARLY_DEBUG is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set + +# +# Cryptographic options +# +# CONFIG_CRYPTO is not set diff --git a/arch/powerpc/configs/mpc832x_mds_defconfig b/arch/powerpc/configs/mpc832x_mds_defconfig index e1b36de6b38..83192c0dc5b 100644 --- a/arch/powerpc/configs/mpc832x_mds_defconfig +++ b/arch/powerpc/configs/mpc832x_mds_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20-rc5 -# Tue Jan 30 14:27:25 2007 +# Linux kernel version: 2.6.21-rc5 +# Mon Apr 9 16:09:16 2007 # # CONFIG_PPC64 is not set CONFIG_PPC32=y @@ -34,9 +34,9 @@ CONFIG_DEFAULT_UIMAGE=y CONFIG_PPC_83xx=y # CONFIG_PPC_85xx is not set # CONFIG_PPC_86xx is not set +# CONFIG_PPC_8xx is not set # CONFIG_40x is not set # CONFIG_44x is not set -# CONFIG_8xx is not set # CONFIG_E200 is not set CONFIG_6xx=y CONFIG_83xx=y @@ -63,6 +63,7 @@ CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set @@ -71,6 +72,7 @@ CONFIG_SYSVIPC=y # CONFIG_IKCONFIG is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y @@ -123,16 +125,17 @@ CONFIG_DEFAULT_AS=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_QUICC_ENGINE=y -CONFIG_PPC_GEN550=y # CONFIG_WANT_EARLY_SERIAL is not set # # Platform support # +# CONFIG_MPC8313_RDB is not set CONFIG_MPC832x_MDS=y -# CONFIG_MPC834x_SYS is not set +# CONFIG_MPC832x_RDB is not set +# CONFIG_MPC834x_MDS is not set # CONFIG_MPC834x_ITX is not set -# CONFIG_MPC8360E_PB is not set +# CONFIG_MPC836x_MDS is not set CONFIG_PPC_MPC832x=y # CONFIG_MPIC is not set @@ -163,6 +166,7 @@ CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 CONFIG_PROC_DEVICETREE=y # CONFIG_CMDLINE_BOOL is not set # CONFIG_PM is not set @@ -172,6 +176,7 @@ CONFIG_ISA_DMA_API=y # # Bus options # +CONFIG_ZONE_DMA=y CONFIG_GENERIC_ISA_DMA=y # CONFIG_MPIC_WEIRD is not set # CONFIG_PPC_I8259 is not set @@ -220,6 +225,7 @@ CONFIG_UNIX=y CONFIG_XFRM=y # CONFIG_XFRM_USER is not set # CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set # CONFIG_NET_KEY is not set CONFIG_INET=y CONFIG_IP_MULTICAST=y @@ -324,6 +330,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -342,7 +349,6 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=32768 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 -CONFIG_BLK_DEV_INITRD=y # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set @@ -482,7 +488,21 @@ CONFIG_NETDEVICES=y # # PHY device support # -# CONFIG_PHYLIB is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +CONFIG_DAVICOM_PHY=y +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_FIXED_PHY is not set # # Ethernet (10 or 100Mbit) @@ -524,11 +544,13 @@ CONFIG_UCC_GETH=y # CONFIG_UGETH_FILTERING is not set # CONFIG_UGETH_TX_ON_DEMOND is not set # CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) # # CONFIG_CHELSIO_T1 is not set +# CONFIG_CHELSIO_T3 is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set # CONFIG_MYRI10GE is not set @@ -621,6 +643,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4 CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set +# CONFIG_SERIAL_OF_PLATFORM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -691,6 +714,7 @@ CONFIG_I2C_MPC=y # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_OCORES is not set # CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_PASEMI is not set # CONFIG_I2C_PROSAVAGE is not set # CONFIG_I2C_SAVAGE4 is not set # CONFIG_I2C_SIS5595 is not set @@ -738,6 +762,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set @@ -779,6 +804,11 @@ CONFIG_HWMON=y # CONFIG_HWMON_DEBUG_CHIP is not set # +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -791,10 +821,9 @@ CONFIG_HWMON=y # # Graphics support # -CONFIG_FIRMWARE_EDID=y +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # CONFIG_FB is not set # CONFIG_FB_IBM_GXT4500 is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -805,6 +834,7 @@ CONFIG_FIRMWARE_EDID=y # HID Devices # CONFIG_HID=y +# CONFIG_HID_DEBUG is not set # # USB support @@ -869,6 +899,10 @@ CONFIG_USB_ARCH_HAS_EHCI=y # # +# Auxiliary Display support +# + +# # Virtualization # @@ -995,11 +1029,7 @@ CONFIG_PARTITION_ADVANCED=y # Distributed Lock Manager # # CONFIG_DLM is not set - -# -# QE Options -# -CONFIG_UCC_SLOW=y +# CONFIG_UCC_SLOW is not set CONFIG_UCC_FAST=y CONFIG_UCC=y @@ -1012,7 +1042,8 @@ CONFIG_BITREVERSE=y CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y -CONFIG_IOMAP_COPY=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y # # Instrumentation Support @@ -1032,7 +1063,6 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set # CONFIG_BOOTX_TEXT is not set -# CONFIG_SERIAL_TEXT_DEBUG is not set # CONFIG_PPC_EARLY_DEBUG is not set # @@ -1061,8 +1091,10 @@ CONFIG_CRYPTO_MD5=y # CONFIG_CRYPTO_GF128MUL is not set CONFIG_CRYPTO_ECB=m CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_PCBC=m # CONFIG_CRYPTO_LRW is not set CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set # CONFIG_CRYPTO_BLOWFISH is not set # CONFIG_CRYPTO_TWOFISH is not set # CONFIG_CRYPTO_SERPENT is not set @@ -1076,6 +1108,7 @@ CONFIG_CRYPTO_DES=y # CONFIG_CRYPTO_DEFLATE is not set # CONFIG_CRYPTO_MICHAEL_MIC is not set # CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_CAMELLIA is not set # CONFIG_CRYPTO_TEST is not set # diff --git a/arch/powerpc/configs/mpc832x_rdb_defconfig b/arch/powerpc/configs/mpc832x_rdb_defconfig index 56fc0a82445..4a4da875fa4 100644 --- a/arch/powerpc/configs/mpc832x_rdb_defconfig +++ b/arch/powerpc/configs/mpc832x_rdb_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.21-rc3 -# Mon Mar 12 17:32:19 2007 +# Linux kernel version: 2.6.21-rc5 +# Mon Apr 9 16:12:43 2007 # # CONFIG_PPC64 is not set CONFIG_PPC32=y @@ -125,7 +125,6 @@ CONFIG_DEFAULT_AS=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_QUICC_ENGINE=y -CONFIG_PPC_GEN550=y # CONFIG_WANT_EARLY_SERIAL is not set # @@ -490,7 +489,21 @@ CONFIG_NETDEVICES=y # # PHY device support # -# CONFIG_PHYLIB is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +CONFIG_ICPLUS_PHY=y +# CONFIG_FIXED_PHY is not set # # Ethernet (10 or 100Mbit) @@ -1200,11 +1213,7 @@ CONFIG_NLS_ISO8859_1=y # Distributed Lock Manager # # CONFIG_DLM is not set - -# -# QE Options -# -CONFIG_UCC_SLOW=y +# CONFIG_UCC_SLOW is not set CONFIG_UCC_FAST=y CONFIG_UCC=y @@ -1238,7 +1247,6 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set # CONFIG_BOOTX_TEXT is not set -# CONFIG_SERIAL_TEXT_DEBUG is not set # CONFIG_PPC_EARLY_DEBUG is not set # diff --git a/arch/powerpc/configs/mpc836x_mds_defconfig b/arch/powerpc/configs/mpc836x_mds_defconfig index 8eb475cd0df..921a151dc77 100644 --- a/arch/powerpc/configs/mpc836x_mds_defconfig +++ b/arch/powerpc/configs/mpc836x_mds_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20 -# Sat Feb 17 10:09:26 2007 +# Linux kernel version: 2.6.21-rc5 +# Mon Apr 9 16:14:05 2007 # # CONFIG_PPC64 is not set CONFIG_PPC32=y @@ -72,6 +72,7 @@ CONFIG_SYSVIPC_SYSCTL=y # CONFIG_IKCONFIG is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y @@ -124,7 +125,6 @@ CONFIG_DEFAULT_AS=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_QUICC_ENGINE=y -CONFIG_PPC_GEN550=y # CONFIG_WANT_EARLY_SERIAL is not set # @@ -132,6 +132,7 @@ CONFIG_PPC_GEN550=y # # CONFIG_MPC8313_RDB is not set # CONFIG_MPC832x_MDS is not set +# CONFIG_MPC832x_RDB is not set # CONFIG_MPC834x_MDS is not set # CONFIG_MPC834x_ITX is not set CONFIG_MPC836x_MDS=y @@ -328,6 +329,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -346,7 +348,6 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=32768 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 -CONFIG_BLK_DEV_INITRD=y # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set @@ -486,7 +487,21 @@ CONFIG_NETDEVICES=y # # PHY device support # -# CONFIG_PHYLIB is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +CONFIG_MARVELL_PHY=y +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_FIXED_PHY is not set # # Ethernet (10 or 100Mbit) @@ -528,6 +543,7 @@ CONFIG_UCC_GETH=y # CONFIG_UGETH_FILTERING is not set # CONFIG_UGETH_TX_ON_DEMOND is not set # CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set # # Ethernet (10000 Mbit) @@ -745,6 +761,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set @@ -786,6 +803,11 @@ CONFIG_HWMON=y # CONFIG_HWMON_DEBUG_CHIP is not set # +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -798,10 +820,9 @@ CONFIG_HWMON=y # # Graphics support # -CONFIG_FIRMWARE_EDID=y +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # CONFIG_FB is not set # CONFIG_FB_IBM_GXT4500 is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -1007,11 +1028,7 @@ CONFIG_PARTITION_ADVANCED=y # Distributed Lock Manager # # CONFIG_DLM is not set - -# -# QE Options -# -CONFIG_UCC_SLOW=y +# CONFIG_UCC_SLOW is not set CONFIG_UCC_FAST=y CONFIG_UCC=y @@ -1045,7 +1062,6 @@ CONFIG_ENABLE_MUST_CHECK=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set # CONFIG_BOOTX_TEXT is not set -# CONFIG_SERIAL_TEXT_DEBUG is not set # CONFIG_PPC_EARLY_DEBUG is not set # diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig index 0345a2ceec5..fd604968f9a 100644 --- a/arch/powerpc/configs/ps3_defconfig +++ b/arch/powerpc/configs/ps3_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20-rc6 -# Thu Jan 25 13:35:34 2007 +# Linux kernel version: 2.6.21 +# Mon Apr 30 12:03:35 2007 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -60,6 +60,7 @@ CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set @@ -69,6 +70,7 @@ CONFIG_SYSVIPC=y # CONFIG_CPUSETS is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y @@ -131,13 +133,36 @@ CONFIG_PPC_MULTIPLATFORM=y # CONFIG_PPC_PSERIES is not set # CONFIG_PPC_ISERIES is not set # CONFIG_PPC_MPC52xx is not set +# CONFIG_PPC_MPC5200 is not set # CONFIG_PPC_PMAC is not set # CONFIG_PPC_MAPLE is not set # CONFIG_PPC_PASEMI is not set +# CONFIG_PPC_CELLEB is not set +CONFIG_PPC_PS3=y + +# +# PS3 Platform Options +# +# CONFIG_PS3_ADVANCED is not set +CONFIG_PS3_HTAB_SIZE=20 +# CONFIG_PS3_DYNAMIC_DMA is not set +CONFIG_PS3_USE_LPAR_ADDR=y +CONFIG_PS3_VUART=y +CONFIG_PS3_PS3AV=y +CONFIG_PS3_SYS_MANAGER=y CONFIG_PPC_CELL=y # CONFIG_PPC_CELL_NATIVE is not set # CONFIG_PPC_IBM_CELL_BLADE is not set -CONFIG_PPC_PS3=y + +# +# Cell Broadband Engine options +# +CONFIG_SPU_FS=y +CONFIG_SPU_BASE=y +# CONFIG_PQ2ADS is not set +# CONFIG_MPIC is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set # CONFIG_U3_DART is not set # CONFIG_PPC_RTAS is not set # CONFIG_MMIO_NVRAM is not set @@ -146,24 +171,7 @@ CONFIG_PPC_PS3=y # CONFIG_PPC_INDIRECT_IO is not set # CONFIG_GENERIC_IOMAP is not set # CONFIG_CPU_FREQ is not set -# CONFIG_WANT_EARLY_SERIAL is not set -# CONFIG_MPIC is not set - -# -# Cell Broadband Engine options -# -CONFIG_SPU_FS=y -CONFIG_SPU_BASE=y -# CONFIG_CBE_RAS is not set - -# -# PS3 Platform Options -# -CONFIG_PS3_HTAB_SIZE=20 -# CONFIG_PS3_DYNAMIC_DMA is not set -CONFIG_PS3_USE_LPAR_ADDR=y -CONFIG_PS3_VUART=y -CONFIG_PS3_PS3AV=y +# CONFIG_CPM2 is not set # # Kernel options @@ -179,10 +187,10 @@ CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_BKL is not set CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=y -CONFIG_FORCE_MAX_ZONEORDER=9 +CONFIG_FORCE_MAX_ZONEORDER=13 # CONFIG_IOMMU_VMERGE is not set CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y -# CONFIG_KEXEC is not set +CONFIG_KEXEC=y # CONFIG_CRASH_DUMP is not set # CONFIG_IRQ_ALL_CPUS is not set # CONFIG_NUMA is not set @@ -203,22 +211,22 @@ CONFIG_MEMORY_HOTPLUG=y CONFIG_MEMORY_HOTPLUG_SPARSE=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_RESOURCES_64BIT=y +CONFIG_ZONE_DMA_FLAG=1 CONFIG_ARCH_MEMORY_PROBE=y -CONFIG_PPC_64K_PAGES=y +# CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y -CONFIG_CMDLINE_BOOL=y -CONFIG_CMDLINE="root=/dev/sda1 ip=dhcp" +# CONFIG_CMDLINE_BOOL is not set # CONFIG_PM is not set # CONFIG_SECCOMP is not set +# CONFIG_WANT_DEVICE_TREE is not set CONFIG_ISA_DMA_API=y # # Bus options # +CONFIG_ZONE_DMA=y CONFIG_GENERIC_ISA_DMA=y -# CONFIG_MPIC_WEIRD is not set -# CONFIG_PPC_I8259 is not set # CONFIG_PCI is not set # CONFIG_PCI_DOMAINS is not set @@ -240,10 +248,13 @@ CONFIG_NET=y # # Networking options # -# CONFIG_NETDEBUG is not set CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set # CONFIG_NET_KEY is not set CONFIG_INET=y # CONFIG_IP_MULTICAST is not set @@ -261,7 +272,7 @@ CONFIG_IP_PNP_DHCP=y # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # CONFIG_INET_XFRM_TUNNEL is not set -# CONFIG_INET_TUNNEL is not set +CONFIG_INET_TUNNEL=y # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set @@ -270,9 +281,23 @@ CONFIG_IP_PNP_DHCP=y CONFIG_TCP_CONG_CUBIC=y CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_TCP_MD5SIG is not set -# CONFIG_IPV6 is not set +CONFIG_IPV6=y +# CONFIG_IPV6_PRIVACY is not set +# CONFIG_IPV6_ROUTER_PREF is not set +# CONFIG_IPV6_OPTIMISTIC_DAD is not set +# CONFIG_INET6_AH is not set +# CONFIG_INET6_ESP is not set +# CONFIG_INET6_IPCOMP is not set +# CONFIG_IPV6_MIP6 is not set # CONFIG_INET6_XFRM_TUNNEL is not set # CONFIG_INET6_TUNNEL is not set +CONFIG_INET6_XFRM_MODE_TRANSPORT=y +CONFIG_INET6_XFRM_MODE_TUNNEL=y +CONFIG_INET6_XFRM_MODE_BEET=y +# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set +CONFIG_IPV6_SIT=y +# CONFIG_IPV6_TUNNEL is not set +# CONFIG_IPV6_MULTIPLE_TABLES is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set @@ -313,7 +338,31 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_NET_PKTGEN is not set # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set -# CONFIG_BT is not set +CONFIG_BT=m +CONFIG_BT_L2CAP=m +CONFIG_BT_SCO=m +CONFIG_BT_RFCOMM=m +# CONFIG_BT_RFCOMM_TTY is not set +# CONFIG_BT_BNEP is not set +CONFIG_BT_HIDP=m + +# +# Bluetooth device drivers +# +CONFIG_BT_HCIUSB=m +CONFIG_BT_HCIUSB_SCO=y +# CONFIG_BT_HCIUART is not set +# CONFIG_BT_HCIBCM203X is not set +# CONFIG_BT_HCIBPA10X is not set +# CONFIG_BT_HCIBFUSB is not set +# CONFIG_BT_HCIVHCI is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +CONFIG_WIRELESS_EXT=y # CONFIG_IEEE80211 is not set # @@ -327,16 +376,13 @@ CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_FW_LOADER is not set # CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set # # Connector - unified userspace <-> kernelspace linker # # CONFIG_CONNECTOR is not set - -# -# Memory Technology Devices (MTD) -# # CONFIG_MTD is not set # @@ -347,24 +393,27 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices # # CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_DEV_COW_COMMON is not set -# CONFIG_BLK_DEV_LOOP is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set # CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_UB is not set -# CONFIG_BLK_DEV_RAM is not set -# CONFIG_BLK_DEV_INITRD is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=65535 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set # # Misc devices # -# CONFIG_TIFM_CORE is not set # # ATA/ATAPI/MFM/RLL support @@ -388,7 +437,7 @@ CONFIG_BLK_DEV_SD=y # CONFIG_CHR_DEV_OSST is not set CONFIG_BLK_DEV_SR=y # CONFIG_BLK_DEV_SR_VENDOR is not set -# CONFIG_CHR_DEV_SG is not set +CONFIG_CHR_DEV_SG=m # CONFIG_CHR_DEV_SCH is not set # @@ -413,6 +462,7 @@ CONFIG_BLK_DEV_SR=y # # CONFIG_ISCSI_TCP is not set # CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_ESP_CORE is not set # # Serial ATA (prod) and Parallel ATA (experimental) drivers @@ -460,7 +510,7 @@ CONFIG_NETDEVICES=y # Ethernet (10 or 100Mbit) # # CONFIG_NET_ETHERNET is not set -CONFIG_MII=y +CONFIG_MII=m # # Ethernet (1000 Mbit) @@ -475,9 +525,10 @@ CONFIG_MII=y # # -# Wireless LAN (non-hamradio) +# Wireless LAN # -# CONFIG_NET_RADIO is not set +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set # # Wan interfaces @@ -551,7 +602,8 @@ CONFIG_HW_CONSOLE=y # Non-8250 serial port support # CONFIG_UNIX98_PTYS=y -# CONFIG_LEGACY_PTYS is not set +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=16 # # IPMI @@ -598,6 +650,11 @@ CONFIG_GEN_RTC=y # CONFIG_HWMON_VID is not set # +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -611,15 +668,22 @@ CONFIG_GEN_RTC=y # # Graphics support # -# CONFIG_FIRMWARE_EDID is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set # CONFIG_FB_BACKLIGHT is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# # CONFIG_FB_OF is not set # CONFIG_FB_VGA16 is not set # CONFIG_FB_S1D13XXX is not set @@ -634,7 +698,7 @@ CONFIG_FB_PS3_DEFAULT_SIZE_M=18 # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y -# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set +CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y # CONFIG_FONTS is not set CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y @@ -646,17 +710,62 @@ CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set CONFIG_LOGO_LINUX_CLUT224=y -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound # -# CONFIG_SOUND is not set +CONFIG_SOUND=y + +# +# Advanced Linux Sound Architecture +# +CONFIG_SND=y +# CONFIG_SND_SEQUENCER is not set +# CONFIG_SND_MIXER_OSS is not set +# CONFIG_SND_PCM_OSS is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set + +# +# Generic devices +# +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set + +# +# ALSA PowerMac devices +# + +# +# ALSA PowerMac requires I2C +# + +# +# USB devices +# +# CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_USX2Y is not set + +# +# SoC audio support +# +# CONFIG_SND_SOC is not set + +# +# Open Sound System +# +# CONFIG_SOUND_PRIME is not set # # HID Devices # CONFIG_HID=y +# CONFIG_HID_DEBUG is not set # # USB support @@ -665,13 +774,13 @@ CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_USB=y -CONFIG_USB_DEBUG=y +# CONFIG_USB_DEBUG is not set # # Miscellaneous USB options # -# CONFIG_USB_DEVICEFS is not set -# CONFIG_USB_BANDWIDTH is not set +CONFIG_USB_DEVICEFS=y +# CONFIG_USB_DEVICE_CLASS is not set # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_OTG is not set @@ -704,7 +813,7 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y # # may also be needed; see USB_STORAGE Help for more information # -CONFIG_USB_STORAGE=y +CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_DEBUG is not set # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set @@ -720,10 +829,16 @@ CONFIG_USB_STORAGE=y # # USB Input Devices # -CONFIG_USB_HID=y +CONFIG_USB_HID=m # CONFIG_USB_HIDINPUT_POWERBOOK is not set # CONFIG_HID_FF is not set # CONFIG_USB_HIDDEV is not set + +# +# USB HID Boot Protocol drivers +# +# CONFIG_USB_KBD is not set +# CONFIG_USB_MOUSE is not set # CONFIG_USB_AIPTEK is not set # CONFIG_USB_WACOM is not set # CONFIG_USB_ACECAD is not set @@ -736,6 +851,7 @@ CONFIG_USB_HID=y # CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set # CONFIG_USB_APPLETOUCH is not set +# CONFIG_USB_GTCO is not set # # USB Imaging devices @@ -748,15 +864,16 @@ CONFIG_USB_HID=y # # CONFIG_USB_CATC is not set # CONFIG_USB_KAWETH is not set -# CONFIG_USB_PEGASUS is not set +CONFIG_USB_PEGASUS=m # CONFIG_USB_RTL8150 is not set -CONFIG_USB_USBNET_MII=y -CONFIG_USB_USBNET=y -CONFIG_USB_NET_CDCETHER=y +CONFIG_USB_USBNET_MII=m +CONFIG_USB_USBNET=m +# CONFIG_USB_NET_CDCETHER is not set +# CONFIG_USB_NET_DM9601 is not set # CONFIG_USB_NET_GL620A is not set # CONFIG_USB_NET_NET1080 is not set # CONFIG_USB_NET_PLUSB is not set -CONFIG_USB_NET_MCS7830=y +CONFIG_USB_NET_MCS7830=m # CONFIG_USB_NET_RNDIS_HOST is not set # CONFIG_USB_NET_CDC_SUBSET is not set # CONFIG_USB_NET_ZAURUS is not set @@ -781,6 +898,7 @@ CONFIG_USB_MON=y # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set @@ -791,6 +909,8 @@ CONFIG_USB_MON=y # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set # CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set # # USB DSL modem support @@ -846,13 +966,19 @@ CONFIG_USB_MON=y # # +# Auxiliary Display support +# + +# # Virtualization # # # File systems # -# CONFIG_EXT2_FS is not set +CONFIG_EXT2_FS=m +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set @@ -871,27 +997,30 @@ CONFIG_FS_MBCACHE=y # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y -# CONFIG_QUOTA is not set +CONFIG_QUOTA=y +# CONFIG_QFMT_V1 is not set +CONFIG_QFMT_V2=y +CONFIG_QUOTACTL=y CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_FS is not set +CONFIG_AUTOFS4_FS=y # CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems # -CONFIG_ISO9660_FS=y +CONFIG_ISO9660_FS=m CONFIG_JOLIET=y # CONFIG_ZISOFS is not set -CONFIG_UDF_FS=y +CONFIG_UDF_FS=m CONFIG_UDF_NLS=y # # DOS/FAT/NT Filesystems # -CONFIG_FAT_FS=y +CONFIG_FAT_FS=m # CONFIG_MSDOS_FS is not set -CONFIG_VFAT_FS=y +CONFIG_VFAT_FS=m CONFIG_FAT_DEFAULT_CODEPAGE=437 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" # CONFIG_NTFS_FS is not set @@ -933,7 +1062,7 @@ CONFIG_RAMFS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y # CONFIG_NFS_V3_ACL is not set -# CONFIG_NFS_V4 is not set +CONFIG_NFS_V4=y # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y @@ -941,10 +1070,16 @@ CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y -# CONFIG_RPCSEC_GSS_KRB5 is not set +CONFIG_SUNRPC_GSS=y +CONFIG_RPCSEC_GSS_KRB5=y # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set -# CONFIG_CIFS is not set +CONFIG_CIFS=m +# CONFIG_CIFS_STATS is not set +# CONFIG_CIFS_WEAK_PW_HASH is not set +# CONFIG_CIFS_XATTR is not set +# CONFIG_CIFS_DEBUG2 is not set +# CONFIG_CIFS_EXPERIMENTAL is not set # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set @@ -1004,6 +1139,8 @@ CONFIG_NLS_ISO8859_1=y # Distributed Lock Manager # # CONFIG_DLM is not set +# CONFIG_UCC_SLOW is not set +# CONFIG_UCC_FAST is not set # # Library routines @@ -1014,7 +1151,8 @@ CONFIG_BITREVERSE=y CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y -CONFIG_IOMAP_COPY=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y # # Instrumentation Support @@ -1032,16 +1170,16 @@ CONFIG_ENABLE_MUST_CHECK=y # CONFIG_DEBUG_FS is not set # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set CONFIG_LOG_BUF_SHIFT=17 CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set -CONFIG_DEBUG_SLAB=y -# CONFIG_DEBUG_SLAB_LEAK is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set CONFIG_DEBUG_SPINLOCK=y CONFIG_DEBUG_MUTEXES=y -CONFIG_DEBUG_RWSEMS=y CONFIG_DEBUG_SPINLOCK_SLEEP=y # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set @@ -1051,8 +1189,10 @@ CONFIG_DEBUG_INFO=y CONFIG_DEBUG_LIST=y CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_FAULT_INJECTION is not set CONFIG_DEBUG_STACKOVERFLOW=y # CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_PAGEALLOC is not set # CONFIG_DEBUGGER is not set CONFIG_IRQSTACKS=y # CONFIG_BOOTX_TEXT is not set @@ -1063,6 +1203,8 @@ CONFIG_PPC_EARLY_DEBUG=y # CONFIG_PPC_EARLY_DEBUG_RTAS_CONSOLE is not set # CONFIG_PPC_EARLY_DEBUG_MAPLE is not set # CONFIG_PPC_EARLY_DEBUG_ISERIES is not set +# CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE is not set +# CONFIG_PPC_EARLY_DEBUG_BEAT is not set # # Security options @@ -1073,4 +1215,43 @@ CONFIG_PPC_EARLY_DEBUG=y # # Cryptographic options # -# CONFIG_CRYPTO is not set +CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_MANAGER=y +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_WP512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_GF128MUL is not set +CONFIG_CRYPTO_ECB=m +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_PCBC=m +# CONFIG_CRYPTO_LRW is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_TWOFISH is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Hardware crypto devices +# diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index aa693d0f151..3e779f07f21 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -36,8 +36,9 @@ obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o obj-$(CONFIG_TAU) += tau_6xx.o +obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o suspend.o obj32-$(CONFIG_SOFTWARE_SUSPEND) += swsusp_32.o -obj-$(CONFIG_SOFTWARE_SUSPEND) += suspend.o +obj64-$(CONFIG_SOFTWARE_SUSPEND) += swsusp_64.o swsusp_asm64.o obj32-$(CONFIG_MODULES) += module_32.o ifeq ($(CONFIG_PPC_MERGE),y) @@ -67,6 +68,7 @@ obj-$(CONFIG_MODULES) += $(module-y) pci64-$(CONFIG_PPC64) += pci_64.o pci_dn.o pci32-$(CONFIG_PPC32) := pci_32.o obj-$(CONFIG_PCI) += $(pci64-y) $(pci32-y) +obj-$(CONFIG_PCI_MSI) += msi.o kexec-$(CONFIG_PPC64) := machine_kexec_64.o kexec-$(CONFIG_PPC32) := machine_kexec_32.o obj-$(CONFIG_KEXEC) += machine_kexec.o crash.o $(kexec-y) diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 0c5150c6917..8f48560b7ee 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -21,12 +21,12 @@ #include <linux/types.h> #include <linux/mman.h> #include <linux/mm.h> +#include <linux/suspend.h> #ifdef CONFIG_PPC64 #include <linux/time.h> #include <linux/hardirq.h> #else #include <linux/ptrace.h> -#include <linux/suspend.h> #endif #include <asm/io.h> @@ -257,11 +257,11 @@ int main(void) DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup)); DEFINE(CPU_SPEC_RESTORE, offsetof(struct cpu_spec, cpu_restore)); -#ifndef CONFIG_PPC64 DEFINE(pbe_address, offsetof(struct pbe, address)); DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address)); DEFINE(pbe_next, offsetof(struct pbe, next)); +#ifndef CONFIG_PPC64 DEFINE(TASK_SIZE, TASK_SIZE); DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); #endif /* ! CONFIG_PPC64 */ diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index a15d4b8cce4..88695963f58 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -120,8 +120,8 @@ skpinv: addi r4,r4,1 /* Increment */ * Configure and load pinned entry into TLB slot 63. */ - lis r3,KERNELBASE@h /* Load the kernel virtual address */ - ori r3,r3,KERNELBASE@l + lis r3,PAGE_OFFSET@h + ori r3,r3,PAGE_OFFSET@l /* Kernel is at the base of RAM */ li r4, 0 /* Load the kernel physical address */ @@ -172,36 +172,28 @@ skpinv: addi r4,r4,1 /* Increment */ isync 4: -#ifdef CONFIG_SERIAL_TEXT_DEBUG - /* - * Add temporary UART mapping for early debug. - * We can map UART registers wherever we want as long as they don't - * interfere with other system mappings (e.g. with pinned entries). - * For an example of how we handle this - see ocotea.h. --ebs - */ +#ifdef CONFIG_PPC_EARLY_DEBUG_44x + /* Add UART mapping for early debug. */ + /* pageid fields */ - lis r3,UART0_IO_BASE@h - ori r3,r3,PPC44x_TLB_VALID | PPC44x_TLB_4K + lis r3,PPC44x_EARLY_DEBUG_VIRTADDR@h + ori r3,r3,PPC44x_TLB_VALID|PPC44x_TLB_TS|PPC44x_TLB_64K /* xlat fields */ - lis r4,UART0_PHYS_IO_BASE@h /* RPN depends on SoC */ -#ifndef CONFIG_440EP - ori r4,r4,0x0001 /* ERPN is 1 for second 4GB page */ -#endif + lis r4,CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW@h + ori r4,r4,CONFIG_PPC_EARLY_DEBUG_44x_PHYSHIGH /* attrib fields */ - li r5,0 - ori r5,r5,(PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_I | PPC44x_TLB_G) + li r5,(PPC44x_TLB_SW|PPC44x_TLB_SR|PPC44x_TLB_I|PPC44x_TLB_G) + li r0,62 /* TLB slot 0 */ - li r0,0 /* TLB slot 0 */ - - tlbwe r3,r0,PPC44x_TLB_PAGEID /* Load the pageid fields */ - tlbwe r4,r0,PPC44x_TLB_XLAT /* Load the translation fields */ - tlbwe r5,r0,PPC44x_TLB_ATTRIB /* Load the attrib/access fields */ + tlbwe r3,r0,PPC44x_TLB_PAGEID + tlbwe r4,r0,PPC44x_TLB_XLAT + tlbwe r5,r0,PPC44x_TLB_ATTRIB /* Force context change */ isync -#endif /* CONFIG_SERIAL_TEXT_DEBUG */ +#endif /* CONFIG_PPC_EARLY_DEBUG_44x */ /* Establish the interrupt vector offsets */ SET_IVOR(0, CriticalInput); @@ -709,16 +701,6 @@ _GLOBAL(giveup_fpu) blr #endif -/* - * extern void abort(void) - * - * At present, this routine just applies a system reset. - */ -_GLOBAL(abort) - mfspr r13,SPRN_DBCR0 - oris r13,r13,DBCR0_RST_SYSTEM@h - mtspr SPRN_DBCR0,r13 - _GLOBAL(set_context) #ifdef CONFIG_BDI_SWITCH diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c index 6e7f50967ba..a9e9cbd3297 100644 --- a/arch/powerpc/kernel/idle.c +++ b/arch/powerpc/kernel/idle.c @@ -33,8 +33,11 @@ #include <asm/smp.h> #ifdef CONFIG_HOTPLUG_CPU +/* this is used for software suspend, and that shuts down + * CPUs even while the system is still booting... */ #define cpu_should_die() (cpu_is_offline(smp_processor_id()) && \ - system_state == SYSTEM_RUNNING) + (system_state == SYSTEM_RUNNING \ + || system_state == SYSTEM_BOOTING)) #else #define cpu_should_die() 0 #endif diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S index ba319547860..5328709eeed 100644 --- a/arch/powerpc/kernel/idle_power4.S +++ b/arch/powerpc/kernel/idle_power4.S @@ -53,3 +53,24 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) isync b 1b +_GLOBAL(power4_cpu_offline_powersave) + /* Go to NAP now */ + mfmsr r7 + rldicl r0,r7,48,1 + rotldi r0,r0,16 + mtmsrd r0,1 /* hard-disable interrupts */ + li r0,1 + li r6,0 + stb r0,PACAHARDIRQEN(r13) /* we'll hard-enable shortly */ + stb r6,PACASOFTIRQEN(r13) /* soft-disable irqs */ +BEGIN_FTR_SECTION + DSSALL + sync +END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) + ori r7,r7,MSR_EE + oris r7,r7,MSR_POW@h + sync + isync + mtmsrd r7 + isync + blr diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 6c83fe229e6..9ed4931af16 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -67,6 +67,7 @@ #ifdef CONFIG_PPC64 #include <asm/paca.h> #include <asm/firmware.h> +#include <asm/lv1call.h> #endif int __irq_offset_value; @@ -162,6 +163,16 @@ void local_irq_restore(unsigned long en) local_paca->hard_enabled = en; if ((int)mfspr(SPRN_DEC) < 0) mtspr(SPRN_DEC, 1); + + /* + * Force the delivery of pending soft-disabled interrupts on PS3. + * Any HV call will have this side effect. + */ + if (firmware_has_feature(FW_FEATURE_PS3_LV1)) { + u64 tmp; + lv1_get_version_info(&tmp); + } + hard_irq_enable(); } #endif /* CONFIG_PPC64 */ @@ -947,33 +958,6 @@ arch_initcall(irq_late_init); #endif /* CONFIG_PPC_MERGE */ -#ifdef CONFIG_PCI_MSI -int pci_enable_msi(struct pci_dev * pdev) -{ - if (ppc_md.enable_msi) - return ppc_md.enable_msi(pdev); - else - return -1; -} -EXPORT_SYMBOL(pci_enable_msi); - -void pci_disable_msi(struct pci_dev * pdev) -{ - if (ppc_md.disable_msi) - ppc_md.disable_msi(pdev); -} -EXPORT_SYMBOL(pci_disable_msi); - -void pci_scan_msi_device(struct pci_dev *dev) {} -int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec) {return -1;} -void pci_disable_msix(struct pci_dev *dev) {} -void msi_remove_pci_irq_vectors(struct pci_dev *dev) {} -void pci_no_msi(void) {} -EXPORT_SYMBOL(pci_enable_msix); -EXPORT_SYMBOL(pci_disable_msix); - -#endif - #ifdef CONFIG_PPC64 static int __init setup_noirqdistrib(char *str) { diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index ef647e7a9dc..0c96611f02f 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -30,8 +30,8 @@ #include <linux/ptrace.h> #include <linux/preempt.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/sstep.h> #include <asm/uaccess.h> @@ -126,22 +126,13 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs, } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { - struct kretprobe_instance *ri; - - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *)regs->link; - - /* Replace the return addr with trampoline addr */ - regs->link = (unsigned long)kretprobe_trampoline; - add_rp_inst(ri); - } else { - rp->nmissed++; - } + ri->ret_addr = (kprobe_opcode_t *)regs->link; + + /* Replace the return addr with trampoline addr */ + regs->link = (unsigned long)kretprobe_trampoline; } static int __kprobes kprobe_handler(struct pt_regs *regs) @@ -336,7 +327,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) break; } - BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address)); + kretprobe_assert(ri, orig_ret_address, trampoline_address); regs->nip = orig_ret_address; reset_current_kprobe(); @@ -410,7 +401,7 @@ out: return 1; } -static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) +int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr) { struct kprobe *cur = kprobe_running(); struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); @@ -495,14 +486,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, if (post_kprobe_handler(args->regs)) ret = NOTIFY_STOP; break; - case DIE_PAGE_FAULT: - /* kprobe_running() needs smp_processor_id() */ - preempt_disable(); - if (kprobe_running() && - kprobe_fault_handler(args->regs, args->trapnr)) - ret = NOTIFY_STOP; - preempt_enable(); - break; default: break; } @@ -559,3 +542,11 @@ int __init arch_init_kprobes(void) { return register_kprobe(&trampoline_p); } + +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + if (p->addr == (kprobe_opcode_t *)&kretprobe_trampoline) + return 1; + + return 0; +} diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index ae4836ea744..cea8045ba40 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -244,9 +244,9 @@ static int __init add_legacy_pci_port(struct device_node *np, * doesn't work for these settings, you'll have to add your own special * cases here */ - if (device_is_compatible(pci_dev, "pci13a8,152") || - device_is_compatible(pci_dev, "pci13a8,154") || - device_is_compatible(pci_dev, "pci13a8,158")) { + if (of_device_is_compatible(pci_dev, "pci13a8,152") || + of_device_is_compatible(pci_dev, "pci13a8,154") || + of_device_is_compatible(pci_dev, "pci13a8,158")) { addr += 0x200 * lindex; base += 0x200 * lindex; } else { @@ -365,11 +365,11 @@ void __init find_legacy_serial_ports(void) /* Check for known pciclass, and also check wether we have * a device with child nodes for ports or not */ - if (device_is_compatible(np, "pciclass,0700") || - device_is_compatible(np, "pciclass,070002")) + if (of_device_is_compatible(np, "pciclass,0700") || + of_device_is_compatible(np, "pciclass,070002")) pci = np; - else if (device_is_compatible(parent, "pciclass,0700") || - device_is_compatible(parent, "pciclass,070002")) + else if (of_device_is_compatible(parent, "pciclass,0700") || + of_device_is_compatible(parent, "pciclass,070002")) pci = parent; else { of_node_put(parent); diff --git a/arch/powerpc/kernel/msi.c b/arch/powerpc/kernel/msi.c new file mode 100644 index 00000000000..c62d1012c01 --- /dev/null +++ b/arch/powerpc/kernel/msi.c @@ -0,0 +1,38 @@ +/* + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/msi.h> + +#include <asm/machdep.h> + +int arch_msi_check_device(struct pci_dev* dev, int nvec, int type) +{ + if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) { + pr_debug("msi: Platform doesn't provide MSI callbacks.\n"); + return -ENOSYS; + } + + if (ppc_md.msi_check_device) { + pr_debug("msi: Using platform check routine.\n"); + return ppc_md.msi_check_device(dev, nvec, type); + } + + return 0; +} + +int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) +{ + return ppc_md.setup_msi_irqs(dev, nvec, type); +} + +void arch_teardown_msi_irqs(struct pci_dev *dev) +{ + return ppc_md.teardown_msi_irqs(dev); +} diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c index 0c8ea7659d9..a464d67248d 100644 --- a/arch/powerpc/kernel/of_device.c +++ b/arch/powerpc/kernel/of_device.c @@ -27,7 +27,7 @@ const struct of_device_id *of_match_node(const struct of_device_id *matches, match &= node->type && !strcmp(matches->type, node->type); if (matches->compatible[0]) - match &= device_is_compatible(node, + match &= of_device_is_compatible(node, matches->compatible); if (match) return matches; @@ -120,8 +120,8 @@ void of_device_unregister(struct of_device *ofdev) } -static ssize_t of_device_get_modalias(struct of_device *ofdev, - char *str, ssize_t len) +ssize_t of_device_get_modalias(struct of_device *ofdev, + char *str, ssize_t len) { const char *compat; int cplen, i; @@ -239,3 +239,4 @@ EXPORT_SYMBOL(of_dev_get); EXPORT_SYMBOL(of_dev_put); EXPORT_SYMBOL(of_release_dev); EXPORT_SYMBOL(of_device_uevent); +EXPORT_SYMBOL(of_device_get_modalias); diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index 908ed7926db..84c34d979a8 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -29,7 +29,6 @@ #include <asm/ppc-pci.h> #include <asm/atomic.h> - /* * The list of OF IDs below is used for matching bus types in the * system whose devices are to be exposed as of_platform_devices. diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index f022862de34..e66064b5093 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -1658,7 +1658,7 @@ pgprot_t pci_phys_mem_access_prot(struct file *file, int i; if (page_is_ram(pfn)) - return prot; + return __pgprot(prot); prot |= _PAGE_NO_CACHE | _PAGE_GUARDED; diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 7138092826a..6d05a1f377b 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -1006,8 +1006,9 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose, switch ((pci_space >> 24) & 0x3) { case 1: /* I/O space */ - hose->io_base_phys = cpu_phys_addr; - hose->pci_io_size = size; + hose->io_base_phys = cpu_phys_addr - pci_addr; + /* handle from 0 to top of I/O window */ + hose->pci_io_size = pci_addr + size; res = &hose->io_resource; res->flags = IORESOURCE_IO; @@ -1117,8 +1118,8 @@ static int get_bus_io_range(struct pci_bus *bus, unsigned long *start_phys, } else { /* Root Bus */ res = &hose->io_resource; - *start_phys = hose->io_base_phys; - *start_virt = (unsigned long) hose->io_base_virt; + *start_phys = hose->io_base_phys + res->start; + *start_virt = (unsigned long) hose->io_base_virt + res->start; if (res->end > res->start) *size = res->end - res->start + 1; else { diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index ff252aaead1..c96fa9bd35a 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -66,7 +66,6 @@ EXPORT_SYMBOL(clear_pages); EXPORT_SYMBOL(ISA_DMA_THRESHOLD); EXPORT_SYMBOL(DMA_MODE_READ); EXPORT_SYMBOL(DMA_MODE_WRITE); -EXPORT_SYMBOL(__div64_32); EXPORT_SYMBOL(do_signal); EXPORT_SYMBOL(transfer_to_handler); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index e509aae2feb..6e2f03566b0 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -19,7 +19,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index e27d9d1b6e6..d6047c44103 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -635,6 +635,12 @@ static void __init early_cmdline_parse(void) /* ibm,dynamic-reconfiguration-memory property supported */ #define OV5_DRCONF_MEMORY 0x20 #define OV5_LARGE_PAGES 0x10 /* large pages supported */ +/* PCIe/MSI support. Without MSI full PCIe is not supported */ +#ifdef CONFIG_PCI_MSI +#define OV5_MSI 0x01 /* PCIe/MSI support */ +#else +#define OV5_MSI 0x00 +#endif /* CONFIG_PCI_MSI */ /* * The architecture vector has an array of PVR mask/value pairs, @@ -679,7 +685,7 @@ static unsigned char ibm_architecture_vec[] = { /* option vector 5: PAPR/OF options */ 3 - 2, /* length */ 0, /* don't ignore, don't halt */ - OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY, + OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY | OV5_MSI, }; /* Old method - ELF header with PT_NOTE sections */ @@ -967,7 +973,7 @@ static unsigned long __init prom_next_cell(int s, cell_t **cellp) * If problems seem to show up, it would be a good start to track * them down. */ -static void reserve_mem(u64 base, u64 size) +static void __init reserve_mem(u64 base, u64 size) { u64 top = base + size; unsigned long cnt = RELOC(mem_reserve_cnt); @@ -2153,7 +2159,7 @@ static void __init fixup_device_tree_efika(void) 3,12,0, 3,13,0, 3,14,0, 3,15,0 }; struct subst_entry efika_subst_table[] = { { "/", "device_type", prop_cstr("efika") }, - { "/builtin", "compatible", prop_cstr("soc") }, + { "/builtin", "device_type", prop_cstr("soc") }, { "/builtin/ata", "compatible", prop_cstr("mpc5200b-ata\0mpc5200-ata"), }, { "/builtin/bestcomm", "compatible", prop_cstr("mpc5200b-bestcomm\0mpc5200-bestcomm") }, { "/builtin/bestcomm", "interrupts", prop_bcomm_irq, sizeof(prop_bcomm_irq) }, diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index aa40a530729..b5c96af955c 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -1042,3 +1042,28 @@ const void *of_get_mac_address(struct device_node *np) } EXPORT_SYMBOL(of_get_mac_address); +int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) +{ + int irq = irq_of_parse_and_map(dev, index); + + /* Only dereference the resource if both the + * resource and the irq are valid. */ + if (r && irq != NO_IRQ) { + r->start = r->end = irq; + r->flags = IORESOURCE_IRQ; + } + + return irq; +} +EXPORT_SYMBOL_GPL(of_irq_to_resource); + +void __iomem *of_iomap(struct device_node *np, int index) +{ + struct resource res; + + if (of_address_to_resource(np, index, &res)) + return NULL; + + return ioremap(res.start, 1 + res.end - res.start); +} +EXPORT_SYMBOL(of_iomap); diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index cc44c7b975a..f4f391cdd8f 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -19,7 +19,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 6b405a3f43f..dd1dca5bfa8 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -20,7 +20,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index f72e8e823d7..1ce0ae3f6ff 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -15,7 +15,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index d8e503b2e1a..22f1ef1b310 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -176,10 +176,10 @@ static struct call_data_struct { #define SMP_CALL_TIMEOUT 8 /* - * This function sends a 'generic call function' IPI to all other CPUs - * in the system. + * These functions send a 'generic call function' IPI to other online + * CPUS in the system. * - * [SUMMARY] Run a function on all other CPUs. + * [SUMMARY] Run a function on other CPUs. * <func> The function to run. This must be fast and non-blocking. * <info> An arbitrary pointer to pass to the function. * <nonatomic> currently unused. @@ -190,18 +190,26 @@ static struct call_data_struct { * You must not call this function with disabled interrupts or from a * hardware interrupt handler or from a bottom half handler. */ -int smp_call_function (void (*func) (void *info), void *info, int nonatomic, - int wait) -{ +int smp_call_function_map(void (*func) (void *info), void *info, int nonatomic, + int wait, cpumask_t map) +{ struct call_data_struct data; - int ret = -1, cpus; + int ret = -1, num_cpus; + int cpu; u64 timeout; /* Can deadlock when called with interrupts disabled */ WARN_ON(irqs_disabled()); + /* remove 'self' from the map */ + if (cpu_isset(smp_processor_id(), map)) + cpu_clear(smp_processor_id(), map); + + /* sanity check the map, remove any non-online processors. */ + cpus_and(map, map, cpu_online_map); + if (unlikely(smp_ops == NULL)) - return -1; + return ret; data.func = func; data.info = info; @@ -213,40 +221,42 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic, spin_lock(&call_lock); /* Must grab online cpu count with preempt disabled, otherwise * it can change. */ - cpus = num_online_cpus() - 1; - if (!cpus) { + num_cpus = num_online_cpus() - 1; + if (!num_cpus || cpus_empty(map)) { ret = 0; goto out; } call_data = &data; smp_wmb(); - /* Send a message to all other CPUs and wait for them to respond */ - smp_ops->message_pass(MSG_ALL_BUT_SELF, PPC_MSG_CALL_FUNCTION); + /* Send a message to all CPUs in the map */ + for_each_cpu_mask(cpu, map) + smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNCTION); timeout = get_tb() + (u64) SMP_CALL_TIMEOUT * tb_ticks_per_sec; - /* Wait for response */ - while (atomic_read(&data.started) != cpus) { + /* Wait for indication that they have received the message */ + while (atomic_read(&data.started) != num_cpus) { HMT_low(); if (get_tb() >= timeout) { printk("smp_call_function on cpu %d: other cpus not " - "responding (%d)\n", smp_processor_id(), - atomic_read(&data.started)); + "responding (%d)\n", smp_processor_id(), + atomic_read(&data.started)); debugger(NULL); goto out; } } + /* optionally wait for the CPUs to complete */ if (wait) { - while (atomic_read(&data.finished) != cpus) { + while (atomic_read(&data.finished) != num_cpus) { HMT_low(); if (get_tb() >= timeout) { printk("smp_call_function on cpu %d: other " - "cpus not finishing (%d/%d)\n", - smp_processor_id(), - atomic_read(&data.finished), - atomic_read(&data.started)); + "cpus not finishing (%d/%d)\n", + smp_processor_id(), + atomic_read(&data.finished), + atomic_read(&data.started)); debugger(NULL); goto out; } @@ -262,8 +272,29 @@ int smp_call_function (void (*func) (void *info), void *info, int nonatomic, return ret; } +int smp_call_function(void (*func) (void *info), void *info, int nonatomic, + int wait) +{ + return smp_call_function_map(func,info,nonatomic,wait,cpu_online_map); +} EXPORT_SYMBOL(smp_call_function); +int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int nonatomic, + int wait) +{ + cpumask_t map=CPU_MASK_NONE; + + if (!cpu_online(cpu)) + return -EINVAL; + + if (cpu == smp_processor_id()) + return -EBUSY; + + cpu_set(cpu, map); + return smp_call_function_map(func,info,nonatomic,wait,map); +} +EXPORT_SYMBOL(smp_call_function_single); + void smp_call_function_interrupt(void) { void (*func) (void *info); diff --git a/arch/powerpc/kernel/swsusp.c b/arch/powerpc/kernel/swsusp.c new file mode 100644 index 00000000000..064a7ba4f02 --- /dev/null +++ b/arch/powerpc/kernel/swsusp.c @@ -0,0 +1,43 @@ +/* + * Common powerpc suspend code for 32 and 64 bits + * + * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/sched.h> +#include <asm/suspend.h> +#include <asm/system.h> +#include <asm/current.h> +#include <asm/mmu_context.h> + +void save_processor_state(void) +{ + /* + * flush out all the special registers so we don't need + * to save them in the snapshot + */ + flush_fp_to_thread(current); + flush_altivec_to_thread(current); + flush_spe_to_thread(current); + +#ifdef CONFIG_PPC64 + hard_irq_disable(); +#endif + +} + +void restore_processor_state(void) +{ +#ifdef CONFIG_PPC32 + set_context(current->active_mm->context.id, current->active_mm->pgd); +#endif + +#ifdef CONFIG_PPC64 + hard_irq_enable(); +#endif +} diff --git a/arch/powerpc/kernel/swsusp_64.c b/arch/powerpc/kernel/swsusp_64.c new file mode 100644 index 00000000000..6f3f0697274 --- /dev/null +++ b/arch/powerpc/kernel/swsusp_64.c @@ -0,0 +1,24 @@ +/* + * PowerPC 64-bit swsusp implementation + * + * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> + * + * GPLv2 + */ + +#include <asm/system.h> +#include <asm/iommu.h> +#include <linux/irq.h> +#include <linux/interrupt.h> + +void do_after_copyback(void) +{ + iommu_restore(); + touch_softlockup_watchdog(); + mb(); +} + +void _iommu_save(void) +{ + iommu_save(); +} diff --git a/arch/powerpc/kernel/swsusp_asm64.S b/arch/powerpc/kernel/swsusp_asm64.S new file mode 100644 index 00000000000..e092c3cbdb9 --- /dev/null +++ b/arch/powerpc/kernel/swsusp_asm64.S @@ -0,0 +1,228 @@ +/* + * PowerPC 64-bit swsusp implementation + * + * Copyright 2006 Johannes Berg <johannes@sipsolutions.net> + * + * GPLv2 + */ + +#include <linux/threads.h> +#include <asm/processor.h> +#include <asm/page.h> +#include <asm/cputable.h> +#include <asm/thread_info.h> +#include <asm/ppc_asm.h> +#include <asm/asm-offsets.h> + +/* + * Structure for storing CPU registers on the save area. + */ +#define SL_r1 0x00 /* stack pointer */ +#define SL_PC 0x08 +#define SL_MSR 0x10 +#define SL_SDR1 0x18 +#define SL_XER 0x20 +#define SL_TB 0x40 +#define SL_r2 0x48 +#define SL_CR 0x50 +#define SL_LR 0x58 +#define SL_r12 0x60 +#define SL_r13 0x68 +#define SL_r14 0x70 +#define SL_r15 0x78 +#define SL_r16 0x80 +#define SL_r17 0x88 +#define SL_r18 0x90 +#define SL_r19 0x98 +#define SL_r20 0xa0 +#define SL_r21 0xa8 +#define SL_r22 0xb0 +#define SL_r23 0xb8 +#define SL_r24 0xc0 +#define SL_r25 0xc8 +#define SL_r26 0xd0 +#define SL_r27 0xd8 +#define SL_r28 0xe0 +#define SL_r29 0xe8 +#define SL_r30 0xf0 +#define SL_r31 0xf8 +#define SL_SIZE SL_r31+8 + +/* these macros rely on the save area being + * pointed to by r11 */ +#define SAVE_SPECIAL(special) \ + mf##special r0 ;\ + std r0, SL_##special(r11) +#define RESTORE_SPECIAL(special) \ + ld r0, SL_##special(r11) ;\ + mt##special r0 +#define SAVE_REGISTER(reg) \ + std reg, SL_##reg(r11) +#define RESTORE_REGISTER(reg) \ + ld reg, SL_##reg(r11) + +/* space for storing cpu state */ + .section .data + .align 5 +swsusp_save_area: + .space SL_SIZE + + .section ".toc","aw" +swsusp_save_area_ptr: + .tc swsusp_save_area[TC],swsusp_save_area +restore_pblist_ptr: + .tc restore_pblist[TC],restore_pblist + + .section .text + .align 5 +_GLOBAL(swsusp_arch_suspend) + ld r11,swsusp_save_area_ptr@toc(r2) + SAVE_SPECIAL(LR) + SAVE_REGISTER(r1) + SAVE_SPECIAL(CR) + SAVE_SPECIAL(TB) + SAVE_REGISTER(r2) + SAVE_REGISTER(r12) + SAVE_REGISTER(r13) + SAVE_REGISTER(r14) + SAVE_REGISTER(r15) + SAVE_REGISTER(r16) + SAVE_REGISTER(r17) + SAVE_REGISTER(r18) + SAVE_REGISTER(r19) + SAVE_REGISTER(r20) + SAVE_REGISTER(r21) + SAVE_REGISTER(r22) + SAVE_REGISTER(r23) + SAVE_REGISTER(r24) + SAVE_REGISTER(r25) + SAVE_REGISTER(r26) + SAVE_REGISTER(r27) + SAVE_REGISTER(r28) + SAVE_REGISTER(r29) + SAVE_REGISTER(r30) + SAVE_REGISTER(r31) + SAVE_SPECIAL(MSR) + SAVE_SPECIAL(SDR1) + SAVE_SPECIAL(XER) + + /* we push the stack up 128 bytes but don't store the + * stack pointer on the stack like a real stackframe */ + addi r1,r1,-128 + + bl _iommu_save + bl swsusp_save + + /* restore LR */ + ld r11,swsusp_save_area_ptr@toc(r2) + RESTORE_SPECIAL(LR) + addi r1,r1,128 + + blr + +/* Resume code */ +_GLOBAL(swsusp_arch_resume) + /* Stop pending alitvec streams and memory accesses */ +BEGIN_FTR_SECTION + DSSALL +END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) + sync + + ld r12,restore_pblist_ptr@toc(r2) + ld r12,0(r12) + + cmpdi r12,0 + beq- nothing_to_copy + li r15,512 +copyloop: + ld r13,pbe_address(r12) + ld r14,pbe_orig_address(r12) + + mtctr r15 + li r10,0 +copy_page_loop: + ldx r0,r10,r13 + stdx r0,r10,r14 + addi r10,r10,8 + bdnz copy_page_loop + + ld r12,pbe_next(r12) + cmpdi r12,0 + bne+ copyloop +nothing_to_copy: + + /* flush caches */ + lis r3, 0x10 + mtctr r3 + li r3, 0 + ori r3, r3, CONFIG_KERNEL_START>>48 + li r0, 48 + sld r3, r3, r0 + li r0, 0 +1: + dcbf r0,r3 + addi r3,r3,0x20 + bdnz 1b + + sync + + tlbia + + ld r11,swsusp_save_area_ptr@toc(r2) + + RESTORE_SPECIAL(CR) + + /* restore timebase */ + /* load saved tb */ + ld r1, SL_TB(r11) + /* get upper 32 bits of it */ + srdi r2, r1, 32 + /* clear tb lower to avoid wrap */ + li r0, 0 + mttbl r0 + /* set tb upper */ + mttbu r2 + /* set tb lower */ + mttbl r1 + + /* restore registers */ + RESTORE_REGISTER(r1) + RESTORE_REGISTER(r2) + RESTORE_REGISTER(r12) + RESTORE_REGISTER(r13) + RESTORE_REGISTER(r14) + RESTORE_REGISTER(r15) + RESTORE_REGISTER(r16) + RESTORE_REGISTER(r17) + RESTORE_REGISTER(r18) + RESTORE_REGISTER(r19) + RESTORE_REGISTER(r20) + RESTORE_REGISTER(r21) + RESTORE_REGISTER(r22) + RESTORE_REGISTER(r23) + RESTORE_REGISTER(r24) + RESTORE_REGISTER(r25) + RESTORE_REGISTER(r26) + RESTORE_REGISTER(r27) + RESTORE_REGISTER(r28) + RESTORE_REGISTER(r29) + RESTORE_REGISTER(r30) + RESTORE_REGISTER(r31) + /* can't use RESTORE_SPECIAL(MSR) */ + ld r0, SL_MSR(r11) + mtmsrd r0, 0 + RESTORE_SPECIAL(SDR1) + RESTORE_SPECIAL(XER) + + sync + + addi r1,r1,-128 + bl slb_flush_and_rebolt + bl do_after_copyback + addi r1,r1,128 + + ld r11,swsusp_save_area_ptr@toc(r2) + RESTORE_SPECIAL(LR) + + li r3, 0 + blr diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index d358866b880..fc6647d332c 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -24,7 +24,6 @@ #include <linux/syscalls.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 933e214c33e..cae39d9dfe4 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -499,4 +499,4 @@ static int __init topology_init(void) return 0; } -__initcall(topology_init); +subsys_initcall(topology_init); diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index f7862224fe8..bf6445ac9f1 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -33,8 +33,8 @@ #include <linux/kexec.h> #include <linux/backlight.h> #include <linux/bug.h> +#include <linux/kdebug.h> -#include <asm/kdebug.h> #include <asm/pgtable.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -72,20 +72,6 @@ EXPORT_SYMBOL(__debugger_dabr_match); EXPORT_SYMBOL(__debugger_fault_handler); #endif -ATOMIC_NOTIFIER_HEAD(powerpc_die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&powerpc_die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&powerpc_die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); - /* * Trap & Exception support */ diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index 7e0971868fc..87703df8750 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -51,6 +51,9 @@ void __init udbg_early_init(void) udbg_init_pas_realmode(); #elif defined(CONFIG_BOOTX_TEXT) udbg_init_btext(); +#elif defined(CONFIG_PPC_EARLY_DEBUG_44x) + /* PPC44x debug */ + udbg_init_44x_as1(); #endif } @@ -142,29 +145,22 @@ static void udbg_console_write(struct console *con, const char *s, static struct console udbg_console = { .name = "udbg", .write = udbg_console_write, - .flags = CON_PRINTBUFFER | CON_ENABLED, + .flags = CON_PRINTBUFFER | CON_ENABLED | CON_BOOT, .index = -1, }; static int early_console_initialized; -void __init disable_early_printk(void) -{ - if (!early_console_initialized) - return; - if (strstr(boot_command_line, "udbg-immortal")) { - printk(KERN_INFO "early console immortal !\n"); - return; - } - unregister_console(&udbg_console); - early_console_initialized = 0; -} - /* called by setup_system */ void register_early_udbg_console(void) { if (early_console_initialized) return; + + if (strstr(boot_command_line, "udbg-immortal")) { + printk(KERN_INFO "early console immortal !\n"); + udbg_console.flags &= ~CON_BOOT; + } early_console_initialized = 1; register_console(&udbg_console); } diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c index a963f657222..7afab5bcd61 100644 --- a/arch/powerpc/kernel/udbg_16550.c +++ b/arch/powerpc/kernel/udbg_16550.c @@ -191,3 +191,26 @@ void udbg_init_pas_realmode(void) udbg_getc_poll = NULL; } #endif /* CONFIG_PPC_MAPLE */ + +#ifdef CONFIG_PPC_EARLY_DEBUG_44x +#include <platforms/44x/44x.h> + +static void udbg_44x_as1_putc(char c) +{ + if (udbg_comport) { + while ((as1_readb(&udbg_comport->lsr) & LSR_THRE) == 0) + /* wait for idle */; + as1_writeb(c, &udbg_comport->thr); eieio(); + if (c == '\n') + udbg_44x_as1_putc('\r'); + } +} + +void __init udbg_init_44x_as1(void) +{ + udbg_comport = + (volatile struct NS16550 __iomem *)PPC44x_EARLY_DEBUG_VIRTADDR; + + udbg_putc = udbg_44x_as1_putc; +} +#endif /* CONFIG_PPC_EARLY_DEBUG_44x */ diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index e46c31b3664..4245579edb4 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -14,7 +14,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/slab.h> diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index b2c1b67a10a..62c1bc12ea3 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -117,7 +117,7 @@ static const struct vio_device_id *vio_match_device( { while (ids->type[0] != '\0') { if ((strncmp(dev->type, ids->type, strlen(ids->type)) == 0) && - device_is_compatible(dev->dev.archdata.of_node, + of_device_is_compatible(dev->dev.archdata.of_node, ids->compat)) return ids; ids++; diff --git a/arch/powerpc/lib/dma-noncoherent.c b/arch/powerpc/lib/dma-noncoherent.c index 48f3d13a3de..6656d47841d 100644 --- a/arch/powerpc/lib/dma-noncoherent.c +++ b/arch/powerpc/lib/dma-noncoherent.c @@ -306,13 +306,15 @@ EXPORT_SYMBOL(__dma_free_coherent); static int __init dma_alloc_init(void) { pgd_t *pgd; + pud_t *pud; pmd_t *pmd; pte_t *pte; int ret = 0; do { pgd = pgd_offset(&init_mm, CONSISTENT_BASE); - pmd = pmd_alloc(&init_mm, pgd, CONSISTENT_BASE); + pud = pud_alloc(&init_mm, pgd, CONSISTENT_BASE); + pmd = pmd_alloc(&init_mm, pud, CONSISTENT_BASE); if (!pmd) { printk(KERN_ERR "%s: no pmd tables\n", __func__); ret = -ENOMEM; diff --git a/arch/powerpc/mm/44x_mmu.c b/arch/powerpc/mm/44x_mmu.c index 0a0a0487b33..ca4dcb07a93 100644 --- a/arch/powerpc/mm/44x_mmu.c +++ b/arch/powerpc/mm/44x_mmu.c @@ -24,73 +24,38 @@ * */ -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/types.h> -#include <linux/ptrace.h> -#include <linux/mman.h> -#include <linux/mm.h> -#include <linux/swap.h> -#include <linux/stddef.h> -#include <linux/vmalloc.h> #include <linux/init.h> -#include <linux/delay.h> -#include <linux/highmem.h> - -#include <asm/pgalloc.h> -#include <asm/prom.h> -#include <asm/io.h> -#include <asm/mmu_context.h> -#include <asm/pgtable.h> #include <asm/mmu.h> -#include <asm/uaccess.h> -#include <asm/smp.h> -#include <asm/bootx.h> -#include <asm/machdep.h> -#include <asm/setup.h> +#include <asm/system.h> +#include <asm/page.h> #include "mmu_decl.h" -extern char etext[], _stext[]; - /* Used by the 44x TLB replacement exception handler. * Just needed it declared someplace. */ -unsigned int tlb_44x_index = 0; -unsigned int tlb_44x_hwater = 62; +unsigned int tlb_44x_index; /* = 0 */ +unsigned int tlb_44x_hwater = PPC44x_TLB_SIZE - 1 - PPC44x_EARLY_TLBS; /* * "Pins" a 256MB TLB entry in AS0 for kernel lowmem */ -static void __init -ppc44x_pin_tlb(int slot, unsigned int virt, unsigned int phys) +static void __init ppc44x_pin_tlb(unsigned int virt, unsigned int phys) { - unsigned long attrib = 0; - - __asm__ __volatile__("\ - clrrwi %2,%2,10\n\ - ori %2,%2,%4\n\ - clrrwi %1,%1,10\n\ - li %0,0\n\ - ori %0,%0,%5\n\ - tlbwe %2,%3,%6\n\ - tlbwe %1,%3,%7\n\ - tlbwe %0,%3,%8" + __asm__ __volatile__( + "tlbwe %2,%3,%4\n" + "tlbwe %1,%3,%5\n" + "tlbwe %0,%3,%6\n" : - : "r" (attrib), "r" (phys), "r" (virt), "r" (slot), - "i" (PPC44x_TLB_VALID | PPC44x_TLB_256M), - "i" (PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_SX | PPC44x_TLB_G), + : "r" (PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_SX | PPC44x_TLB_G), + "r" (phys), + "r" (virt | PPC44x_TLB_VALID | PPC44x_TLB_256M), + "r" (tlb_44x_hwater--), /* slot for this TLB entry */ "i" (PPC44x_TLB_PAGEID), "i" (PPC44x_TLB_XLAT), "i" (PPC44x_TLB_ATTRIB)); } -/* - * MMU_init_hw does the chip-specific initialization of the MMU hardware. - */ void __init MMU_init_hw(void) { flush_instruction_cache(); @@ -98,22 +63,13 @@ void __init MMU_init_hw(void) unsigned long __init mmu_mapin_ram(void) { - unsigned int pinned_tlbs = 1; - int i; - - /* Determine number of entries necessary to cover lowmem */ - pinned_tlbs = (unsigned int) - (_ALIGN(total_lowmem, PPC_PIN_SIZE) >> PPC44x_PIN_SHIFT); - - /* Write upper watermark to save location */ - tlb_44x_hwater = PPC44x_LOW_SLOT - pinned_tlbs; + unsigned long addr; - /* If necessary, set additional pinned TLBs */ - if (pinned_tlbs > 1) - for (i = (PPC44x_LOW_SLOT-(pinned_tlbs-1)); i < PPC44x_LOW_SLOT; i++) { - unsigned int phys_addr = (PPC44x_LOW_SLOT-i) * PPC_PIN_SIZE; - ppc44x_pin_tlb(i, phys_addr+PAGE_OFFSET, phys_addr); - } + /* Pin in enough TLBs to cover any lowmem not covered by the + * initial 256M mapping established in head_44x.S */ + for (addr = PPC_PIN_SIZE; addr < total_lowmem; + addr += PPC_PIN_SIZE) + ppc44x_pin_tlb(addr + PAGE_OFFSET, addr); return total_lowmem; } diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 03aeb3a4607..bfe90135314 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -28,6 +28,7 @@ #include <linux/highmem.h> #include <linux/module.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -36,40 +37,28 @@ #include <asm/system.h> #include <asm/uaccess.h> #include <asm/tlbflush.h> -#include <asm/kdebug.h> #include <asm/siginfo.h> -#ifdef CONFIG_KPROBES -ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain); -/* Hook to register for page fault notifications */ -int register_page_fault_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(¬ify_page_fault_chain, nb); -} - -int unregister_page_fault_notifier(struct notifier_block *nb) +#ifdef CONFIG_KPROBES +static inline int notify_page_fault(struct pt_regs *regs) { - return atomic_notifier_chain_unregister(¬ify_page_fault_chain, nb); -} + int ret = 0; + + /* kprobe_running() needs smp_processor_id() */ + if (!user_mode(regs)) { + preempt_disable(); + if (kprobe_running() && kprobe_fault_handler(regs, 11)) + ret = 1; + preempt_enable(); + } -static inline int notify_page_fault(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - return atomic_notifier_call_chain(¬ify_page_fault_chain, val, &args); + return ret; } #else -static inline int notify_page_fault(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) +static inline int notify_page_fault(struct pt_regs *regs) { - return NOTIFY_DONE; + return 0; } #endif @@ -175,8 +164,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, is_write = error_code & ESR_DST; #endif /* CONFIG_4xx || CONFIG_BOOKE */ - if (notify_page_fault(DIE_PAGE_FAULT, "page_fault", regs, error_code, - 11, SIGSEGV) == NOTIFY_STOP) + if (notify_page_fault(regs)) return 0; if (trap == 0x300) { diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index 79aedaf36f2..7b7fe2d7b9d 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -26,6 +26,7 @@ #include <asm/tlb.h> #include <asm/cputable.h> #include <asm/udbg.h> +#include <asm/kexec.h> #ifdef DEBUG_LOW #define DBG_LOW(fmt...) udbg_printf(fmt) @@ -340,31 +341,70 @@ static void native_hpte_invalidate(unsigned long slot, unsigned long va, local_irq_restore(flags); } -/* - * XXX This need fixing based on page size. It's only used by - * native_hpte_clear() for now which needs fixing too so they - * make a good pair... - */ -static unsigned long slot2va(unsigned long hpte_v, unsigned long slot) -{ - unsigned long avpn = HPTE_V_AVPN_VAL(hpte_v); - unsigned long va; +#define LP_SHIFT 12 +#define LP_BITS 8 +#define LP_MASK(i) ((0xFF >> (i)) << LP_SHIFT) - va = avpn << 23; +static void hpte_decode(hpte_t *hpte, unsigned long slot, + int *psize, unsigned long *va) +{ + unsigned long hpte_r = hpte->r; + unsigned long hpte_v = hpte->v; + unsigned long avpn; + int i, size, shift, penc, avpnm_bits; + + if (!(hpte_v & HPTE_V_LARGE)) + size = MMU_PAGE_4K; + else { + for (i = 0; i < LP_BITS; i++) { + if ((hpte_r & LP_MASK(i+1)) == LP_MASK(i+1)) + break; + } + penc = LP_MASK(i+1) >> LP_SHIFT; + for (size = 0; size < MMU_PAGE_COUNT; size++) { - if (! (hpte_v & HPTE_V_LARGE)) { - unsigned long vpi, pteg; + /* 4K pages are not represented by LP */ + if (size == MMU_PAGE_4K) + continue; - pteg = slot / HPTES_PER_GROUP; - if (hpte_v & HPTE_V_SECONDARY) - pteg = ~pteg; + /* valid entries have a shift value */ + if (!mmu_psize_defs[size].shift) + continue; - vpi = ((va >> 28) ^ pteg) & htab_hash_mask; + if (penc == mmu_psize_defs[size].penc) + break; + } + } - va |= vpi << PAGE_SHIFT; + /* + * FIXME, the code below works for 16M, 64K, and 4K pages as these + * fall under the p<=23 rules for calculating the virtual address. + * In the case of 16M pages, an extra bit is stolen from the AVPN + * field to achieve the requisite 24 bits. + * + * Does not work for 16G pages or 1 TB segments. + */ + shift = mmu_psize_defs[size].shift; + if (mmu_psize_defs[size].avpnm) + avpnm_bits = __ilog2_u64(mmu_psize_defs[size].avpnm) + 1; + else + avpnm_bits = 0; + if (shift - avpnm_bits <= 23) { + avpn = HPTE_V_AVPN_VAL(hpte_v) << 23; + + if (shift < 23) { + unsigned long vpi, pteg; + + pteg = slot / HPTES_PER_GROUP; + if (hpte_v & HPTE_V_SECONDARY) + pteg = ~pteg; + vpi = ((avpn >> 28) ^ pteg) & htab_hash_mask; + avpn |= (vpi << mmu_psize_defs[size].shift); + } } - return va; + *va = avpn; + *psize = size; } /* @@ -374,15 +414,14 @@ static unsigned long slot2va(unsigned long hpte_v, unsigned long slot) * * TODO: add batching support when enabled. remember, no dynamic memory here, * athough there is the control page available... - * - * XXX FIXME: 4k only for now ! */ static void native_hpte_clear(void) { unsigned long slot, slots, flags; hpte_t *hptep = htab_address; - unsigned long hpte_v; + unsigned long hpte_v, va; unsigned long pteg_count; + int psize; pteg_count = htab_hash_mask + 1; @@ -408,8 +447,9 @@ static void native_hpte_clear(void) * already hold the native_tlbie_lock. */ if (hpte_v & HPTE_V_VALID) { + hpte_decode(hptep, slot, &psize, &va); hptep->v = 0; - __tlbie(slot2va(hpte_v, slot), MMU_PAGE_4K); + __tlbie(va, psize); } } diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 49618461def..9b226fa7006 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -103,7 +103,7 @@ int mmu_ci_restrictions; #ifdef CONFIG_DEBUG_PAGEALLOC static u8 *linear_map_hash_slots; static unsigned long linear_map_hash_count; -static spinlock_t linear_map_hash_lock; +static DEFINE_SPINLOCK(linear_map_hash_lock); #endif /* CONFIG_DEBUG_PAGEALLOC */ /* There are definitions of page sizes arrays to be used when none diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 1f07f70ac89..fb959264c10 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -12,7 +12,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/sysctl.h> diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 4416d5140c5..fe1fe852181 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -183,11 +183,8 @@ void pgtable_cache_init(void) "for size: %08x...\n", name, i, size); pgtable_cache[i] = kmem_cache_create(name, size, size, - 0, + SLAB_PANIC, zero_ctor, NULL); - if (! pgtable_cache[i]) - panic("pgtable_cache_init(): could not create %s!\n", - name); } } diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index c4bcd754642..1a6e08f3298 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -80,7 +80,6 @@ int page_is_ram(unsigned long pfn) return 0; #endif } -EXPORT_SYMBOL(page_is_ram); pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t vma_prot) diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index 9c4538bb04b..2558c34eeda 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -40,7 +40,8 @@ extern int __map_without_bats; extern unsigned long ioremap_base; extern unsigned int rtas_data, rtas_size; -extern PTE *Hash, *Hash_end; +struct _PTE; +extern struct _PTE *Hash, *Hash_end; extern unsigned long Hash_size, Hash_mask; extern unsigned int num_tlbcam_entries; diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index bca56037492..d8232b7a08f 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -261,7 +261,7 @@ int map_page(unsigned long va, phys_addr_t pa, int flags) int err = -ENOMEM; /* Use upper 10 bits of VA to index the first level map */ - pd = pmd_offset(pgd_offset_k(va), va); + pd = pmd_offset(pud_offset(pgd_offset_k(va), va), va); /* Use middle 10 bits of VA to index the second-level map */ pg = pte_alloc_kernel(pd, va); if (pg != 0) { @@ -354,23 +354,27 @@ int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, pmd_t **pmdp) { pgd_t *pgd; + pud_t *pud; pmd_t *pmd; pte_t *pte; int retval = 0; pgd = pgd_offset(mm, addr & PAGE_MASK); if (pgd) { - pmd = pmd_offset(pgd, addr & PAGE_MASK); - if (pmd_present(*pmd)) { - pte = pte_offset_map(pmd, addr & PAGE_MASK); - if (pte) { - retval = 1; - *ptep = pte; - if (pmdp) - *pmdp = pmd; - /* XXX caller needs to do pte_unmap, yuck */ - } - } + pud = pud_offset(pgd, addr & PAGE_MASK); + if (pud && pud_present(*pud)) { + pmd = pmd_offset(pud, addr & PAGE_MASK); + if (pmd_present(*pmd)) { + pte = pte_offset_map(pmd, addr & PAGE_MASK); + if (pte) { + retval = 1; + *ptep = pte; + if (pmdp) + *pmdp = pmd; + /* XXX caller needs to do pte_unmap, yuck */ + } + } + } } return(retval); } diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c index eeeacab548e..132c6bc66ce 100644 --- a/arch/powerpc/mm/stab.c +++ b/arch/powerpc/mm/stab.c @@ -227,7 +227,7 @@ void switch_stab(struct task_struct *tsk, struct mm_struct *mm) * the first (bolted) segment, so that do_stab_bolted won't get a * recursive segment miss on the segment table itself. */ -void stabs_alloc(void) +void __init stabs_alloc(void) { int cpu; diff --git a/arch/powerpc/platforms/44x/44x.h b/arch/powerpc/platforms/44x/44x.h new file mode 100644 index 00000000000..42eabf87fea --- /dev/null +++ b/arch/powerpc/platforms/44x/44x.h @@ -0,0 +1,8 @@ +#ifndef __POWERPC_PLATFORMS_44X_44X_H +#define __POWERPC_PLATFORMS_44X_44X_H + +extern u8 as1_readb(volatile u8 __iomem *addr); +extern void as1_writeb(u8 data, volatile u8 __iomem *addr); +extern void ppc44x_reset_system(char *cmd); + +#endif /* __POWERPC_PLATFORMS_44X_44X_H */ diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig new file mode 100644 index 00000000000..8e66949e7c6 --- /dev/null +++ b/arch/powerpc/platforms/44x/Kconfig @@ -0,0 +1,56 @@ +#config BAMBOO +# bool "Bamboo" +# depends on 44x +# default n +# select 440EP +# help +# This option enables support for the IBM PPC440EP evaluation board. + +config EBONY + bool "Ebony" + depends on 44x + default y + select 440GP + help + This option enables support for the IBM PPC440GP evaluation board. + +#config LUAN +# bool "Luan" +# depends on 44x +# default n +# select 440SP +# help +# This option enables support for the IBM PPC440SP evaluation board. + +#config OCOTEA +# bool "Ocotea" +# depends on 44x +# default n +# select 440GX +# help +# This option enables support for the IBM PPC440GX evaluation board. + +# 44x specific CPU modules, selected based on the board above. +config 440EP + bool + select PPC_FPU + select IBM440EP_ERR42 + +config 440GP + bool + select IBM_NEW_EMAC_ZMII + +config 440GX + bool + +config 440SP + bool + +config 440A + bool + depends on 440GX + default y + +# 44x errata/workaround config symbols, selected by the CPU models above +config IBM440EP_ERR42 + bool diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile new file mode 100644 index 00000000000..41d0a18a0e4 --- /dev/null +++ b/arch/powerpc/platforms/44x/Makefile @@ -0,0 +1,2 @@ +obj-$(CONFIG_44x) := misc_44x.o +obj-$(CONFIG_EBONY) += ebony.o diff --git a/arch/powerpc/platforms/44x/ebony.c b/arch/powerpc/platforms/44x/ebony.c new file mode 100644 index 00000000000..ad526eafc90 --- /dev/null +++ b/arch/powerpc/platforms/44x/ebony.c @@ -0,0 +1,73 @@ +/* + * Ebony board specific routines + * + * Matt Porter <mporter@kernel.crashing.org> + * Copyright 2002-2005 MontaVista Software Inc. + * + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * Copyright (c) 2003-2005 Zultys Technologies + * + * Rewritten and ported to the merged powerpc tree: + * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/init.h> +#include <asm/machdep.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/time.h> +#include <asm/uic.h> +#include <asm/of_platform.h> + +#include "44x.h" + +static struct of_device_id ebony_of_bus[] = { + { .type = "ibm,plb", }, + { .type = "ibm,opb", }, + { .type = "ibm,ebc", }, + {}, +}; + +static int __init ebony_device_probe(void) +{ + if (!machine_is(ebony)) + return 0; + + of_platform_bus_probe(NULL, ebony_of_bus, NULL); + + return 0; +} +device_initcall(ebony_device_probe); + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init ebony_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "ibm,ebony")) + return 0; + + return 1; +} + +static void __init ebony_setup_arch(void) +{ +} + +define_machine(ebony) { + .name = "Ebony", + .probe = ebony_probe, + .setup_arch = ebony_setup_arch, + .progress = udbg_progress, + .init_IRQ = uic_init_tree, + .get_irq = uic_get_irq, + .restart = ppc44x_reset_system, + .calibrate_decr = generic_calibrate_decr, +}; diff --git a/arch/powerpc/platforms/44x/misc_44x.S b/arch/powerpc/platforms/44x/misc_44x.S new file mode 100644 index 00000000000..3bce71d5d75 --- /dev/null +++ b/arch/powerpc/platforms/44x/misc_44x.S @@ -0,0 +1,57 @@ +/* + * This file contains miscellaneous low-level functions for PPC 44x. + * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + */ + +#include <asm/reg.h> +#include <asm/ppc_asm.h> + + .text + +/* + * Do an IO access in AS1 + */ +_GLOBAL(as1_readb) + mfmsr r7 + ori r0,r7,MSR_DS + sync + mtmsr r0 + sync + isync + lbz r3,0(r3) + sync + mtmsr r7 + sync + isync + blr + +_GLOBAL(as1_writeb) + mfmsr r7 + ori r0,r7,MSR_DS + sync + mtmsr r0 + sync + isync + stb r3,0(r4) + sync + mtmsr r7 + sync + isync + blr + +/* + * void ppc44x_reset_system(char *cmd) + * + * At present, this routine just applies a system reset. + */ +_GLOBAL(ppc44x_reset_system) + mfspr r13,SPRN_DBCR0 + oris r13,r13,DBCR0_RST_SYSTEM@h + mtspr SPRN_DBCR0,r13 + b . /* Just in case the reset doesn't work */ diff --git a/arch/powerpc/platforms/52xx/Kconfig b/arch/powerpc/platforms/52xx/Kconfig index bc4aa4a80a1..3ffaa066c2c 100644 --- a/arch/powerpc/platforms/52xx/Kconfig +++ b/arch/powerpc/platforms/52xx/Kconfig @@ -1,5 +1,6 @@ config PPC_MPC52xx bool + select FSL_SOC default n config PPC_MPC5200 diff --git a/arch/powerpc/platforms/52xx/Makefile b/arch/powerpc/platforms/52xx/Makefile index 07cdbcacf15..b91e39c84d4 100644 --- a/arch/powerpc/platforms/52xx/Makefile +++ b/arch/powerpc/platforms/52xx/Makefile @@ -8,3 +8,5 @@ endif obj-$(CONFIG_PPC_EFIKA) += efika.o obj-$(CONFIG_PPC_LITE5200) += lite5200.o + +obj-$(CONFIG_PM) += mpc52xx_sleep.o mpc52xx_pm.o diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c index a6bba97314e..f591a9fc19b 100644 --- a/arch/powerpc/platforms/52xx/efika.c +++ b/arch/powerpc/platforms/52xx/efika.c @@ -184,6 +184,16 @@ static void efika_show_cpuinfo(struct seq_file *m) of_node_put(root); } +#ifdef CONFIG_PM +static void efika_suspend_prepare(void __iomem *mbar) +{ + u8 pin = 4; /* GPIO_WKUP_4 (GPIO_PSC6_0 - IRDA_RX) */ + u8 level = 1; /* wakeup on high level */ + /* IOW. to wake it up, short pins 1 and 3 on IRDA connector */ + mpc52xx_set_wakeup_gpio(pin, level); +} +#endif + static void __init efika_setup_arch(void) { rtas_initialize(); @@ -199,6 +209,11 @@ static void __init efika_setup_arch(void) efika_pcisetup(); +#ifdef CONFIG_PM + mpc52xx_suspend.board_suspend_prepare = efika_suspend_prepare; + mpc52xx_pm_init(); +#endif + if (ppc_md.progress) ppc_md.progress("Linux/PPC " UTS_RELEASE " running on Efika ;-)\n", 0x0); } diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index 8e2646ac417..1cfc00dfb99 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -85,6 +85,28 @@ error: iounmap(gpio); } +#ifdef CONFIG_PM +static u32 descr_a; +static void lite5200_suspend_prepare(void __iomem *mbar) +{ + u8 pin = 1; /* GPIO_WKUP_1 (GPIO_PSC2_4) */ + u8 level = 0; /* wakeup on low level */ + mpc52xx_set_wakeup_gpio(pin, level); + + /* + * power down usb port + * this needs to be called before of-ohci suspend code + */ + descr_a = in_be32(mbar + 0x1048); + out_be32(mbar + 0x1048, (descr_a & ~0x200) | 0x100); +} + +static void lite5200_resume_finish(void __iomem *mbar) +{ + out_be32(mbar + 0x1048, descr_a); +} +#endif + static void __init lite5200_setup_arch(void) { struct device_node *np; @@ -107,6 +129,12 @@ static void __init lite5200_setup_arch(void) mpc52xx_setup_cpu(); /* Generic */ lite5200_setup_cpu(); /* Platorm specific */ +#ifdef CONFIG_PM + mpc52xx_suspend.board_suspend_prepare = lite5200_suspend_prepare; + mpc52xx_suspend.board_resume_finish = lite5200_resume_finish; + mpc52xx_pm_init(); +#endif + #ifdef CONFIG_PCI np = of_find_node_by_type(NULL, "pci"); if (np) { diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pm.c b/arch/powerpc/platforms/52xx/mpc52xx_pm.c new file mode 100644 index 00000000000..fd40044d16c --- /dev/null +++ b/arch/powerpc/platforms/52xx/mpc52xx_pm.c @@ -0,0 +1,191 @@ +#include <linux/init.h> +#include <linux/pm.h> +#include <linux/io.h> +#include <asm/time.h> +#include <asm/cacheflush.h> +#include <asm/mpc52xx.h> + +#include "mpc52xx_pic.h" + + +/* these are defined in mpc52xx_sleep.S, and only used here */ +extern void mpc52xx_deep_sleep(void *sram, void *sdram_regs, + struct mpc52xx_cdm *, struct mpc52xx_intr *); +extern void mpc52xx_ds_sram(void); +extern const long mpc52xx_ds_sram_size; +extern void mpc52xx_ds_cached(void); +extern const long mpc52xx_ds_cached_size; + +static void __iomem *mbar; +static void __iomem *sdram; +static struct mpc52xx_cdm __iomem *cdm; +static struct mpc52xx_intr __iomem *intr; +static struct mpc52xx_gpio_wkup __iomem *gpiow; +static void *sram; +static int sram_size; + +struct mpc52xx_suspend mpc52xx_suspend; + +static int mpc52xx_pm_valid(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_STANDBY: + return 1; + default: + return 0; + } +} + +int mpc52xx_set_wakeup_gpio(u8 pin, u8 level) +{ + u16 tmp; + + /* enable gpio */ + out_8(&gpiow->wkup_gpioe, in_8(&gpiow->wkup_gpioe) | (1 << pin)); + /* set as input */ + out_8(&gpiow->wkup_ddr, in_8(&gpiow->wkup_ddr) & ~(1 << pin)); + /* enable deep sleep interrupt */ + out_8(&gpiow->wkup_inten, in_8(&gpiow->wkup_inten) | (1 << pin)); + /* low/high level creates wakeup interrupt */ + tmp = in_be16(&gpiow->wkup_itype); + tmp &= ~(0x3 << (pin * 2)); + tmp |= (!level + 1) << (pin * 2); + out_be16(&gpiow->wkup_itype, tmp); + /* master enable */ + out_8(&gpiow->wkup_maste, 1); + + return 0; +} + +int mpc52xx_pm_prepare(suspend_state_t state) +{ + if (state != PM_SUSPEND_STANDBY) + return -EINVAL; + + /* map the whole register space */ + mbar = mpc52xx_find_and_map("mpc5200"); + if (!mbar) { + printk(KERN_ERR "%s:%i Error mapping registers\n", __func__, __LINE__); + return -ENOSYS; + } + /* these offsets are from mpc5200 users manual */ + sdram = mbar + 0x100; + cdm = mbar + 0x200; + intr = mbar + 0x500; + gpiow = mbar + 0xc00; + sram = mbar + 0x8000; /* Those will be handled by the */ + sram_size = 0x4000; /* bestcomm driver soon */ + + /* call board suspend code, if applicable */ + if (mpc52xx_suspend.board_suspend_prepare) + mpc52xx_suspend.board_suspend_prepare(mbar); + else { + printk(KERN_ALERT "%s: %i don't know how to wake up the board\n", + __func__, __LINE__); + goto out_unmap; + } + + return 0; + + out_unmap: + iounmap(mbar); + return -ENOSYS; +} + + +char saved_sram[0x4000]; + +int mpc52xx_pm_enter(suspend_state_t state) +{ + u32 clk_enables; + u32 msr, hid0; + u32 intr_main_mask; + void __iomem * irq_0x500 = (void *)CONFIG_KERNEL_START + 0x500; + unsigned long irq_0x500_stop = (unsigned long)irq_0x500 + mpc52xx_ds_cached_size; + char saved_0x500[mpc52xx_ds_cached_size]; + + /* disable all interrupts in PIC */ + intr_main_mask = in_be32(&intr->main_mask); + out_be32(&intr->main_mask, intr_main_mask | 0x1ffff); + + /* don't let DEC expire any time soon */ + mtspr(SPRN_DEC, 0x7fffffff); + + /* save SRAM */ + memcpy(saved_sram, sram, sram_size); + + /* copy low level suspend code to sram */ + memcpy(sram, mpc52xx_ds_sram, mpc52xx_ds_sram_size); + + out_8(&cdm->ccs_sleep_enable, 1); + out_8(&cdm->osc_sleep_enable, 1); + out_8(&cdm->ccs_qreq_test, 1); + + /* disable all but SDRAM and bestcomm (SRAM) clocks */ + clk_enables = in_be32(&cdm->clk_enables); + out_be32(&cdm->clk_enables, clk_enables & 0x00088000); + + /* disable power management */ + msr = mfmsr(); + mtmsr(msr & ~MSR_POW); + + /* enable sleep mode, disable others */ + hid0 = mfspr(SPRN_HID0); + mtspr(SPRN_HID0, (hid0 & ~(HID0_DOZE | HID0_NAP | HID0_DPM)) | HID0_SLEEP); + + /* save original, copy our irq handler, flush from dcache and invalidate icache */ + memcpy(saved_0x500, irq_0x500, mpc52xx_ds_cached_size); + memcpy(irq_0x500, mpc52xx_ds_cached, mpc52xx_ds_cached_size); + flush_icache_range((unsigned long)irq_0x500, irq_0x500_stop); + + /* call low-level sleep code */ + mpc52xx_deep_sleep(sram, sdram, cdm, intr); + + /* restore original irq handler */ + memcpy(irq_0x500, saved_0x500, mpc52xx_ds_cached_size); + flush_icache_range((unsigned long)irq_0x500, irq_0x500_stop); + + /* restore old power mode */ + mtmsr(msr & ~MSR_POW); + mtspr(SPRN_HID0, hid0); + mtmsr(msr); + + out_be32(&cdm->clk_enables, clk_enables); + out_8(&cdm->ccs_sleep_enable, 0); + out_8(&cdm->osc_sleep_enable, 0); + + /* restore SRAM */ + memcpy(sram, saved_sram, sram_size); + + /* restart jiffies */ + wakeup_decrementer(); + + /* reenable interrupts in PIC */ + out_be32(&intr->main_mask, intr_main_mask); + + return 0; +} + +int mpc52xx_pm_finish(suspend_state_t state) +{ + /* call board resume code */ + if (mpc52xx_suspend.board_resume_finish) + mpc52xx_suspend.board_resume_finish(mbar); + + iounmap(mbar); + + return 0; +} + +static struct pm_ops mpc52xx_pm_ops = { + .valid = mpc52xx_pm_valid, + .prepare = mpc52xx_pm_prepare, + .enter = mpc52xx_pm_enter, + .finish = mpc52xx_pm_finish, +}; + +int __init mpc52xx_pm_init(void) +{ + pm_set_ops(&mpc52xx_pm_ops); + return 0; +} diff --git a/arch/powerpc/platforms/52xx/mpc52xx_sleep.S b/arch/powerpc/platforms/52xx/mpc52xx_sleep.S new file mode 100644 index 00000000000..4dc170b0ae1 --- /dev/null +++ b/arch/powerpc/platforms/52xx/mpc52xx_sleep.S @@ -0,0 +1,154 @@ +#include <asm/reg.h> +#include <asm/ppc_asm.h> +#include <asm/processor.h> + + +.text + +_GLOBAL(mpc52xx_deep_sleep) +mpc52xx_deep_sleep: /* args r3-r6: SRAM, SDRAM regs, CDM regs, INTR regs */ + + /* enable interrupts */ + mfmsr r7 + ori r7, r7, 0x8000 /* EE */ + mtmsr r7 + sync; isync; + + li r10, 0 /* flag that irq handler sets */ + + /* enable tmr7 (or any other) interrupt */ + lwz r8, 0x14(r6) /* intr->main_mask */ + ori r8, r8, 0x1 + xori r8, r8, 0x1 + stw r8, 0x14(r6) + sync + + /* emulate tmr7 interrupt */ + li r8, 0x1 + stw r8, 0x40(r6) /* intr->main_emulate */ + sync + + /* wait for it to happen */ +1: + cmpi cr0, r10, 1 + bne cr0, 1b + + /* lock icache */ + mfspr r10, SPRN_HID0 + ori r10, r10, 0x2000 + sync; isync; + mtspr SPRN_HID0, r10 + sync; isync; + + + mflr r9 /* save LR */ + + /* jump to sram */ + mtlr r3 + blrl + + mtlr r9 /* restore LR */ + + /* unlock icache */ + mfspr r10, SPRN_HID0 + ori r10, r10, 0x2000 + xori r10, r10, 0x2000 + sync; isync; + mtspr SPRN_HID0, r10 + sync; isync; + + + /* return to C code */ + blr + + +_GLOBAL(mpc52xx_ds_sram) +mpc52xx_ds_sram: + /* put SDRAM into self-refresh */ + lwz r8, 0x4(r4) /* sdram->ctrl */ + + oris r8, r8, 0x8000 /* mode_en */ + stw r8, 0x4(r4) + sync + + ori r8, r8, 0x0002 /* soft_pre */ + stw r8, 0x4(r4) + sync + xori r8, r8, 0x0002 + + xoris r8, r8, 0x8000 /* !mode_en */ + stw r8, 0x4(r4) + sync + + oris r8, r8, 0x5000 + xoris r8, r8, 0x4000 /* ref_en !cke */ + stw r8, 0x4(r4) + sync + + /* disable SDRAM clock */ + lwz r8, 0x14(r5) /* cdm->clkenable */ + ori r8, r8, 0x0008 + xori r8, r8, 0x0008 + stw r8, 0x14(r5) + sync + + + /* put mpc5200 to sleep */ + mfmsr r10 + oris r10, r10, 0x0004 /* POW = 1 */ + sync; isync; + mtmsr r10 + sync; isync; + + + /* enable clock */ + lwz r8, 0x14(r5) + ori r8, r8, 0x0008 + stw r8, 0x14(r5) + sync + + /* get ram out of self-refresh */ + lwz r8, 0x4(r4) + oris r8, r8, 0x5000 /* cke ref_en */ + stw r8, 0x4(r4) + sync + + blr +_GLOBAL(mpc52xx_ds_sram_size) +mpc52xx_ds_sram_size: + .long $-mpc52xx_ds_sram + + +/* ### interrupt handler for wakeup from deep-sleep ### */ +_GLOBAL(mpc52xx_ds_cached) +mpc52xx_ds_cached: + mtspr SPRN_SPRG0, r7 + mtspr SPRN_SPRG1, r8 + + /* disable emulated interrupt */ + mfspr r7, 311 /* MBAR */ + addi r7, r7, 0x540 /* intr->main_emul */ + li r8, 0 + stw r8, 0(r7) + sync + dcbf 0, r7 + + /* acknowledge wakeup, so CCS releases power pown */ + mfspr r7, 311 /* MBAR */ + addi r7, r7, 0x524 /* intr->enc_status */ + lwz r8, 0(r7) + ori r8, r8, 0x0400 + stw r8, 0(r7) + sync + dcbf 0, r7 + + /* flag - we handled the interrupt */ + li r10, 1 + + mfspr r8, SPRN_SPRG1 + mfspr r7, SPRN_SPRG0 + + rfi +_GLOBAL(mpc52xx_ds_cached_size) +mpc52xx_ds_cached_size: + .long $-mpc52xx_ds_cached diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c index fff09f5d6ed..94843ed52a9 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c @@ -111,6 +111,7 @@ static struct of_device_id mpc832x_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .type = "qe", }, + { .type = "mdio", }, {}, }; diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index 6b71e9ffb11..b0b22bb29de 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -73,6 +73,7 @@ static struct of_device_id mpc832x_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .type = "qe", }, + { .type = "mdio", }, {}, }; diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c index 526ed090a44..bceeff8bbfd 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c @@ -118,6 +118,7 @@ static struct of_device_id mpc836x_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .type = "qe", }, + { .type = "mdio", }, {}, }; diff --git a/arch/powerpc/platforms/85xx/mpc8544_ds.c b/arch/powerpc/platforms/85xx/mpc8544_ds.c index 2867f85e632..bec84ffe708 100644 --- a/arch/powerpc/platforms/85xx/mpc8544_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8544_ds.c @@ -84,7 +84,7 @@ void __init mpc8544_ds_pic_init(void) #ifdef CONFIG_PPC_I8259 /* Initialize the i8259 controller */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { cascade_node = np; break; } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 7e71636f909..1490eb3ce0d 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -197,7 +197,7 @@ static void __init mpc85xx_cds_pic_init(void) #ifdef CONFIG_PPC_I8259 /* Initialize the i8259 controller */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { cascade_node = np; break; } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 54db4168995..e3dddbfe66f 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -147,6 +147,7 @@ static struct of_device_id mpc85xx_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .type = "qe", }, + { .type = "mdio", }, {}, }; diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index 3d3d98f5bd4..90877565caa 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -102,7 +102,7 @@ mpc86xx_hpcn_init_irq(void) #ifdef CONFIG_PCI /* Initialize i8259 controller */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { cascade_node = np; break; } diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 51e33347c14..361acfa2894 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -42,6 +42,7 @@ source "arch/powerpc/platforms/83xx/Kconfig" source "arch/powerpc/platforms/85xx/Kconfig" source "arch/powerpc/platforms/86xx/Kconfig" source "arch/powerpc/platforms/embedded6xx/Kconfig" +source "arch/powerpc/platforms/44x/Kconfig" #source "arch/powerpc/platforms/4xx/Kconfig config PPC_NATIVE diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index 452004283f1..d6e041a46d2 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -6,7 +6,8 @@ obj-$(CONFIG_PPC_PMAC) += powermac/ endif endif obj-$(CONFIG_PPC_CHRP) += chrp/ -obj-$(CONFIG_4xx) += 4xx/ +#obj-$(CONFIG_4xx) += 4xx/ +obj-$(CONFIG_44x) += 44x/ obj-$(CONFIG_PPC_MPC52xx) += 52xx/ obj-$(CONFIG_PPC_8xx) += 8xx/ obj-$(CONFIG_PPC_82xx) += 82xx/ diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 4fc4e92775d..47264e72202 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -227,7 +227,7 @@ void iic_request_IPIs(void) static int iic_host_match(struct irq_host *h, struct device_node *node) { - return device_is_compatible(node, + return of_device_is_compatible(node, "IBM,CBEA-Internal-Interrupt-Controller"); } @@ -256,7 +256,7 @@ static int iic_host_xlate(struct irq_host *h, struct device_node *ct, unsigned int node, ext, unit, class; const u32 *val; - if (!device_is_compatible(ct, + if (!of_device_is_compatible(ct, "IBM,CBEA-Internal-Interrupt-Controller")) return -ENODEV; if (intsize != 1) @@ -324,7 +324,7 @@ static int __init setup_iic(void) for (dn = NULL; (dn = of_find_node_by_name(dn,"interrupt-controller")) != NULL;) { - if (!device_is_compatible(dn, + if (!of_device_is_compatible(dn, "IBM,CBEA-Internal-Interrupt-Controller")) continue; np = of_get_property(dn, "ibm,interrupt-server-ranges", NULL); diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index 54b96183cb6..db6654272e1 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -112,7 +112,7 @@ static void __init mpic_init_IRQ(void) for (dn = NULL; (dn = of_find_node_by_name(dn, "interrupt-controller"));) { - if (!device_is_compatible(dn, "CBEA,platform-open-pic")) + if (!of_device_is_compatible(dn, "CBEA,platform-open-pic")) continue; /* The MPIC driver will get everything it needs from the diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index fb1f15797bb..05f4b3d3d75 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -358,12 +358,12 @@ void __init spider_init_IRQ(void) */ for (dn = NULL; (dn = of_find_node_by_name(dn, "interrupt-controller"));) { - if (device_is_compatible(dn, "CBEA,platform-spider-pic")) { + if (of_device_is_compatible(dn, "CBEA,platform-spider-pic")) { if (of_address_to_resource(dn, 0, &r)) { printk(KERN_WARNING "spider-pic: Failed\n"); continue; } - } else if (device_is_compatible(dn, "sti,platform-spider-pic") + } else if (of_device_is_compatible(dn, "sti,platform-spider-pic") && (chip < 2)) { static long hard_coded_pics[] = { 0x24000008000ul, 0x34000008000ul}; diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c index 3322528fa6e..d32db9ffc6e 100644 --- a/arch/powerpc/platforms/cell/spufs/backing_ops.c +++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c @@ -28,7 +28,6 @@ #include <linux/mm.h> #include <linux/vmalloc.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/poll.h> diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c index 428875c5e4e..fc4ed1ffbd4 100644 --- a/arch/powerpc/platforms/cell/spufs/hw_ops.c +++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c @@ -25,7 +25,6 @@ #include <linux/mm.h> #include <linux/poll.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 91030b8abdc..b6ecb30e7d5 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -30,7 +30,6 @@ #include <linux/completion.h> #include <linux/vmalloc.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/numa.h> diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c index 8347c4a3f89..29dc59cefc3 100644 --- a/arch/powerpc/platforms/cell/spufs/switch.c +++ b/arch/powerpc/platforms/cell/spufs/switch.c @@ -39,7 +39,6 @@ #include <linux/mm.h> #include <linux/vmalloc.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 1469d6478f6..d32fedc991d 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -267,7 +267,7 @@ chrp_find_bridges(void) model = of_get_property(dev, "model", NULL); if (model == NULL) model = "<none>"; - if (device_is_compatible(dev, "IBM,python")) { + if (of_device_is_compatible(dev, "IBM,python")) { setup_python(hose, dev); } else if (is_mot || strncmp(model, "Motorola, Grackle", 17) == 0) { diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 1870038a8e0..373de4c063d 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -448,7 +448,7 @@ static void __init chrp_find_8259(void) /* Look for cascade */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { pic = np; break; } diff --git a/arch/powerpc/platforms/chrp/smp.c b/arch/powerpc/platforms/chrp/smp.c index 1d2307e87c3..3ea0eb78568 100644 --- a/arch/powerpc/platforms/chrp/smp.c +++ b/arch/powerpc/platforms/chrp/smp.c @@ -11,7 +11,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 9557908ef54..8f3c2a73e16 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -20,16 +20,24 @@ config MPC7448HPC2 select TSI108_BRIDGE select DEFAULT_UIMAGE select PPC_UDBG_16550 - select MPIC - select MPIC_WEIRD help Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga) platform + +config PPC_HOLLY + bool "PPC750GX/CL with TSI10x bridge (Hickory/Holly)" + select TSI108_BRIDGE + select PPC_UDBG_16550 + help + Select PPC_HOLLY if configuring for an IBM 750GX/CL Eval + Board with TSI108/9 bridge (Hickory/Holly) endchoice config TSI108_BRIDGE bool - depends on MPC7448HPC2 + depends on MPC7448HPC2 || PPC_HOLLY + select MPIC + select MPIC_WEIRD default y config MPC10X_BRIDGE diff --git a/arch/powerpc/platforms/embedded6xx/Makefile b/arch/powerpc/platforms/embedded6xx/Makefile index d3d11a3cd65..b39fe4f470d 100644 --- a/arch/powerpc/platforms/embedded6xx/Makefile +++ b/arch/powerpc/platforms/embedded6xx/Makefile @@ -3,3 +3,4 @@ # obj-$(CONFIG_MPC7448HPC2) += mpc7448_hpc2.o obj-$(CONFIG_LINKSTATION) += linkstation.o ls_uart.o +obj-$(CONFIG_PPC_HOLLY) += holly.o diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c new file mode 100644 index 00000000000..3a0b4a01401 --- /dev/null +++ b/arch/powerpc/platforms/embedded6xx/holly.c @@ -0,0 +1,317 @@ +/* + * Board setup routines for the IBM 750GX/CL platform w/ TSI10x bridge + * + * Copyright 2007 IBM Corporation + * + * Stephen Winiecki <stevewin@us.ibm.com> + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * Based on code from mpc7448_hpc2.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/ide.h> +#include <linux/seq_file.h> +#include <linux/root_dev.h> +#include <linux/serial.h> +#include <linux/tty.h> +#include <linux/serial_core.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/tsi108.h> +#include <asm/pci-bridge.h> +#include <asm/reg.h> +#include <mm/mmu_decl.h> +#include <asm/tsi108_irq.h> +#include <asm/tsi108_pci.h> +#include <asm/mpic.h> +#include <asm/of_platform.h> + +#undef DEBUG + +#define HOLLY_PCI_CFG_PHYS 0x7c000000 + +int holly_exclude_device(u_char bus, u_char devfn) +{ + if (bus == 0 && PCI_SLOT(devfn) == 0) + return PCIBIOS_DEVICE_NOT_FOUND; + else + return PCIBIOS_SUCCESSFUL; +} + +static void holly_remap_bridge(void) +{ + u32 lut_val, lut_addr; + int i; + + printk(KERN_INFO "Remapping PCI bridge\n"); + + /* Re-init the PCI bridge and LUT registers to have mappings that don't + * rely on PIBS + */ + lut_addr = 0x900; + for (i = 0; i < 31; i++) { + tsi108_write_reg(TSI108_PB_OFFSET + lut_addr, 0x00000201); + lut_addr += 4; + tsi108_write_reg(TSI108_PB_OFFSET + lut_addr, 0x0); + lut_addr += 4; + } + + /* Reserve the last LUT entry for PCI I/O space */ + tsi108_write_reg(TSI108_PB_OFFSET + lut_addr, 0x00000241); + lut_addr += 4; + tsi108_write_reg(TSI108_PB_OFFSET + lut_addr, 0x0); + + /* Map PCI I/O space */ + tsi108_write_reg(TSI108_PCI_PFAB_IO_UPPER, 0x0); + tsi108_write_reg(TSI108_PCI_PFAB_IO, 0x1); + + /* Map PCI CFG space */ + tsi108_write_reg(TSI108_PCI_PFAB_BAR0_UPPER, 0x0); + tsi108_write_reg(TSI108_PCI_PFAB_BAR0, 0x7c000000 | 0x01); + + /* We don't need MEM32 and PRM remapping so disable them */ + tsi108_write_reg(TSI108_PCI_PFAB_MEM32, 0x0); + tsi108_write_reg(TSI108_PCI_PFAB_PFM3, 0x0); + tsi108_write_reg(TSI108_PCI_PFAB_PFM4, 0x0); + + /* Set P2O_BAR0 */ + tsi108_write_reg(TSI108_PCI_P2O_BAR0_UPPER, 0x0); + tsi108_write_reg(TSI108_PCI_P2O_BAR0, 0xc0000000); + + /* Init the PCI LUTs to do no remapping */ + lut_addr = 0x500; + lut_val = 0x00000002; + + for (i = 0; i < 32; i++) { + tsi108_write_reg(TSI108_PCI_OFFSET + lut_addr, lut_val); + lut_addr += 4; + tsi108_write_reg(TSI108_PCI_OFFSET + lut_addr, 0x40000000); + lut_addr += 4; + lut_val += 0x02000000; + } + tsi108_write_reg(TSI108_PCI_P2O_PAGE_SIZES, 0x00007900); + + /* Set 64-bit PCI bus address for system memory */ + tsi108_write_reg(TSI108_PCI_P2O_BAR2_UPPER, 0x0); + tsi108_write_reg(TSI108_PCI_P2O_BAR2, 0x0); +} + +static void __init holly_setup_arch(void) +{ + struct device_node *cpu; + struct device_node *np; + + if (ppc_md.progress) + ppc_md.progress("holly_setup_arch():set_bridge", 0); + + cpu = of_find_node_by_type(NULL, "cpu"); + if (cpu) { + const unsigned int *fp; + + fp = of_get_property(cpu, "clock-frequency", NULL); + if (fp) + loops_per_jiffy = *fp / HZ; + else + loops_per_jiffy = 50000000 / HZ; + of_node_put(cpu); + } + tsi108_csr_vir_base = get_vir_csrbase(); + + /* setup PCI host bridge */ + holly_remap_bridge(); + + np = of_find_node_by_type(NULL, "pci"); + if (np) + tsi108_setup_pci(np, HOLLY_PCI_CFG_PHYS, 1); + + ppc_md.pci_exclude_device = holly_exclude_device; + if (ppc_md.progress) + ppc_md.progress("tsi108: resources set", 0x100); + + printk(KERN_INFO "PPC750GX/CL Platform\n"); +} + +/* + * Interrupt setup and service. Interrrupts on the holly come + * from the four external INT pins, PCI interrupts are routed via + * PCI interrupt control registers, it generates internal IRQ23 + * + * Interrupt routing on the Holly Board: + * TSI108:PB_INT[0] -> CPU0:INT# + * TSI108:PB_INT[1] -> CPU0:MCP# + * TSI108:PB_INT[2] -> N/C + * TSI108:PB_INT[3] -> N/C + */ +static void __init holly_init_IRQ(void) +{ + struct mpic *mpic; + phys_addr_t mpic_paddr = 0; + struct device_node *tsi_pic; +#ifdef CONFIG_PCI + unsigned int cascade_pci_irq; + struct device_node *tsi_pci; + struct device_node *cascade_node = NULL; +#endif + + tsi_pic = of_find_node_by_type(NULL, "open-pic"); + if (tsi_pic) { + unsigned int size; + const void *prop = of_get_property(tsi_pic, "reg", &size); + mpic_paddr = of_translate_address(tsi_pic, prop); + } + + if (mpic_paddr == 0) { + printk(KERN_ERR "%s: No tsi108 PIC found !\n", __func__); + return; + } + + pr_debug("%s: tsi108 pic phys_addr = 0x%x\n", __func__, (u32) mpic_paddr); + + mpic = mpic_alloc(tsi_pic, mpic_paddr, + MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET | + MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108, + 24, + NR_IRQS-4, /* num_sources used */ + "Tsi108_PIC"); + + BUG_ON(mpic == NULL); + + mpic_assign_isu(mpic, 0, mpic_paddr + 0x100); + + mpic_init(mpic); + +#ifdef CONFIG_PCI + tsi_pci = of_find_node_by_type(NULL, "pci"); + if (tsi_pci == NULL) { + printk(KERN_ERR "%s: No tsi108 pci node found !\n", __func__); + return; + } + + cascade_node = of_find_node_by_type(NULL, "pic-router"); + if (cascade_node == NULL) { + printk(KERN_ERR "%s: No tsi108 pci cascade node found !\n", __func__); + return; + } + + cascade_pci_irq = irq_of_parse_and_map(tsi_pci, 0); + pr_debug("%s: tsi108 cascade_pci_irq = 0x%x\n", __func__, (u32) cascade_pci_irq); + tsi108_pci_int_init(cascade_node); + set_irq_data(cascade_pci_irq, mpic); + set_irq_chained_handler(cascade_pci_irq, tsi108_irq_cascade); +#endif + /* Configure MPIC outputs to CPU0 */ + tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0); + of_node_put(tsi_pic); +} + +void holly_show_cpuinfo(struct seq_file *m) +{ + seq_printf(m, "vendor\t\t: IBM\n"); + seq_printf(m, "machine\t\t: PPC750 GX/CL\n"); +} + +void holly_restart(char *cmd) +{ + __be32 __iomem *ocn_bar1 = NULL; + unsigned long bar; + struct device_node *bridge = NULL; + const void *prop; + int size; + phys_addr_t addr = 0xc0000000; + + local_irq_disable(); + + bridge = of_find_node_by_type(NULL, "tsi-bridge"); + if (bridge) { + prop = of_get_property(bridge, "reg", &size); + addr = of_translate_address(bridge, prop); + } + addr += (TSI108_PB_OFFSET + 0x414); + + ocn_bar1 = ioremap(addr, 0x4); + + /* Turn on the BOOT bit so the addresses are correctly + * routed to the HLP interface */ + bar = ioread32be(ocn_bar1); + bar |= 2; + iowrite32be(bar, ocn_bar1); + iosync(); + + /* Set SRR0 to the reset vector and turn on MSR_IP */ + mtspr(SPRN_SRR0, 0xfff00100); + mtspr(SPRN_SRR1, MSR_IP); + + /* Do an rfi to jump back to firmware. Somewhat evil, + * but it works + */ + __asm__ __volatile__("rfi" : : : "memory"); + + /* Spin until reset happens. Shouldn't really get here */ + for (;;) ; +} + +void holly_power_off(void) +{ + local_irq_disable(); + /* No way to shut power off with software */ + for (;;) ; +} + +void holly_halt(void) +{ + holly_power_off(); +} + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init holly_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "ibm,holly")) + return 0; + return 1; +} + +static int ppc750_machine_check_exception(struct pt_regs *regs) +{ + const struct exception_table_entry *entry; + + /* Are we prepared to handle this fault */ + if ((entry = search_exception_tables(regs->nip)) != NULL) { + tsi108_clear_pci_cfg_error(); + regs->msr |= MSR_RI; + regs->nip = entry->fixup; + return 1; + } + return 0; +} + +define_machine(holly){ + .name = "PPC750 GX/CL TSI", + .probe = holly_probe, + .setup_arch = holly_setup_arch, + .init_IRQ = holly_init_IRQ, + .show_cpuinfo = holly_show_cpuinfo, + .get_irq = mpic_get_irq, + .restart = holly_restart, + .calibrate_decr = generic_calibrate_decr, + .machine_check_exception = ppc750_machine_check_exception, + .progress = udbg_progress, +}; diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c index c3f64ddb0be..4542e0c837c 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -41,6 +41,7 @@ #include <asm/reg.h> #include <mm/mmu_decl.h> #include "mpc7448_hpc2.h" +#include <asm/tsi108_pci.h> #include <asm/tsi108_irq.h> #include <asm/mpic.h> @@ -51,16 +52,15 @@ #define DBG(fmt...) do { } while(0) #endif +#define MPC7448HPC2_PCI_CFG_PHYS 0xfb000000 + #ifndef CONFIG_PCI isa_io_base = MPC7448_HPC2_ISA_IO_BASE; isa_mem_base = MPC7448_HPC2_ISA_MEM_BASE; pci_dram_offset = MPC7448_HPC2_PCI_MEM_OFFSET; #endif -extern int tsi108_setup_pci(struct device_node *dev); extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); -extern void tsi108_pci_int_init(struct device_node *node); -extern void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc); int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn) { @@ -72,28 +72,16 @@ int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn) static void __init mpc7448_hpc2_setup_arch(void) { - struct device_node *cpu; struct device_node *np; if (ppc_md.progress) ppc_md.progress("mpc7448_hpc2_setup_arch():set_bridge", 0); - cpu = of_find_node_by_type(NULL, "cpu"); - if (cpu != 0) { - const unsigned int *fp; - - fp = of_get_property(cpu, "clock-frequency", NULL); - if (fp != 0) - loops_per_jiffy = *fp / HZ; - else - loops_per_jiffy = 50000000 / HZ; - of_node_put(cpu); - } tsi108_csr_vir_base = get_vir_csrbase(); /* setup PCI host bridge */ #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - tsi108_setup_pci(np); + tsi108_setup_pci(np, MPC7448HPC2_PCI_CFG_PHYS, 0); ppc_md.pci_exclude_device = mpc7448_hpc2_exclude_device; if (ppc_md.progress) @@ -222,7 +210,6 @@ static int __init mpc7448_hpc2_probe(void) static int mpc7448_machine_check_exception(struct pt_regs *regs) { - extern void tsi108_clear_pci_cfg_error(void); const struct exception_table_entry *entry; /* Are we prepared to handle this fault */ diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c index aee5908df70..722335e32fd 100644 --- a/arch/powerpc/platforms/iseries/smp.c +++ b/arch/powerpc/platforms/iseries/smp.c @@ -18,7 +18,6 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index 2ca2d8a9de9..354b8dd2a2c 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c @@ -36,7 +36,6 @@ #include <linux/dma-mapping.h> #include <linux/wait.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <asm/system.h> diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index b1d3b99c3f9..7aaa5bbc936 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -467,15 +467,15 @@ static int __init add_bridge(struct device_node *dev) hose->last_busno = bus_range ? bus_range[1] : 0xff; disp_name = NULL; - if (device_is_compatible(dev, "u3-agp")) { + if (of_device_is_compatible(dev, "u3-agp")) { setup_u3_agp(hose); disp_name = "U3-AGP"; primary = 0; - } else if (device_is_compatible(dev, "u3-ht")) { + } else if (of_device_is_compatible(dev, "u3-ht")) { setup_u3_ht(hose); disp_name = "U3-HT"; primary = 1; - } else if (device_is_compatible(dev, "u4-pcie")) { + } else if (of_device_is_compatible(dev, "u4-pcie")) { setup_u4_pcie(hose); disp_name = "U4-PCIE"; primary = 0; @@ -556,12 +556,12 @@ void __init maple_pci_init(void) continue; if (strcmp(np->type, "pci") && strcmp(np->type, "ht")) continue; - if ((device_is_compatible(np, "u4-pcie") || - device_is_compatible(np, "u3-agp")) && + if ((of_device_is_compatible(np, "u4-pcie") || + of_device_is_compatible(np, "u3-agp")) && add_bridge(np) == 0) of_node_get(np); - if (device_is_compatible(np, "u3-ht")) { + if (of_device_is_compatible(np, "u3-ht")) { of_node_get(np); ht = np; } diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c index 2a30c5b2532..354c0586162 100644 --- a/arch/powerpc/platforms/maple/setup.c +++ b/arch/powerpc/platforms/maple/setup.c @@ -231,7 +231,7 @@ static void __init maple_init_IRQ(void) */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "open-pic")) { + if (of_device_is_compatible(np, "open-pic")) { mpic_node = np; break; } diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c index 2a57d602368..3ae083851b0 100644 --- a/arch/powerpc/platforms/pasemi/cpufreq.c +++ b/arch/powerpc/platforms/pasemi/cpufreq.c @@ -31,6 +31,7 @@ #include <asm/hw_irq.h> #include <asm/io.h> #include <asm/prom.h> +#include <asm/time.h> #define SDCASR_REG 0x0100 #define SDCASR_REG_STRIDE 0x1000 @@ -204,6 +205,8 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy) policy->cur = pas_freqs[cur_astate].frequency; policy->cpus = cpu_online_map; + ppc_proc_freq = policy->cur * 1000ul; + cpufreq_frequency_table_get_attr(pas_freqs, policy->cpu); /* this ensures that policy->cpuinfo_min and policy->cpuinfo_max @@ -270,6 +273,7 @@ static int pas_cpufreq_target(struct cpufreq_policy *policy, cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); mutex_unlock(&pas_switch_mutex); + ppc_proc_freq = freqs.new * 1000ul; return 0; } diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index f88f0ec4c8c..38f107b3c52 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -114,7 +114,7 @@ static __init void pas_init_IRQ(void) mpic_node = NULL; for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "open-pic")) { + if (of_device_is_compatible(np, "open-pic")) { mpic_node = np; break; } @@ -211,7 +211,10 @@ static struct of_device_id pasemi_bus_ids[] = { static int __init pasemi_publish_devices(void) { - /* Publish OF platform devices for southbridge IOs */ + if (!machine_is(pasemi)) + return 0; + + /* Publish OF platform devices for SDC and other non-PCI devices */ of_platform_bus_probe(NULL, pasemi_bus_ids, NULL); return 0; diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c index 567d5523b69..00f50298c34 100644 --- a/arch/powerpc/platforms/powermac/cpufreq_64.c +++ b/arch/powerpc/platforms/powermac/cpufreq_64.c @@ -357,13 +357,13 @@ static unsigned int g5_cpufreq_get_speed(unsigned int cpu) static int g5_cpufreq_cpu_init(struct cpufreq_policy *policy) { - if (policy->cpu != 0) - return -ENODEV; - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; policy->cur = g5_cpu_freqs[g5_query_freq()].frequency; - policy->cpus = cpu_possible_map; + /* secondary CPUs are tied to the primary one by the + * cpufreq core if in the secondary policy we tell it that + * it actually must be one policy together with all others. */ + policy->cpus = cpu_online_map; cpufreq_frequency_table_get_attr(g5_cpu_freqs, policy->cpu); return cpufreq_frequency_table_cpuinfo(policy, diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 52cfdd86c92..f29705f8047 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -1418,7 +1418,7 @@ static long g5_eth_phy_reset(struct device_node *node, long param, long value) phy = of_get_next_child(node, NULL); if (!phy) return -ENODEV; - need_reset = device_is_compatible(phy, "B5221"); + need_reset = of_device_is_compatible(phy, "B5221"); of_node_put(phy); if (!need_reset) return 0; @@ -2624,7 +2624,7 @@ static void __init probe_one_macio(const char *name, const char *compat, int typ for (node = NULL; (node = of_find_node_by_name(node, name)) != NULL;) { if (!compat) break; - if (device_is_compatible(node, compat)) + if (of_device_is_compatible(node, compat)) break; } if (!node) @@ -2728,7 +2728,7 @@ initial_serial_shutdown(struct device_node *np) conn = of_get_property(np, "AAPL,connector", &len); if (conn && (strcmp(conn, "infrared") == 0)) port_type = PMAC_SCC_IRDA; - else if (device_is_compatible(np, "cobalt")) + else if (of_device_is_compatible(np, "cobalt")) modem = 1; else if (slots && slots->count > 0) { if (strcmp(slots->name, "IrDA") == 0) @@ -2787,7 +2787,7 @@ set_initial_features(void) */ np = of_find_node_by_name(NULL, "ethernet"); while(np) { - if (device_is_compatible(np, "K2-GMAC")) + if (of_device_is_compatible(np, "K2-GMAC")) g5_gmac_enable(np, 0, 1); np = of_find_node_by_name(np, "ethernet"); } @@ -2799,7 +2799,7 @@ set_initial_features(void) */ np = of_find_node_by_name(NULL, "firewire"); while(np) { - if (device_is_compatible(np, "pci106b,5811")) { + if (of_device_is_compatible(np, "pci106b,5811")) { macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; g5_fw_enable(np, 0, 1); } @@ -2817,8 +2817,8 @@ set_initial_features(void) np = of_find_node_by_name(NULL, "ethernet"); while(np) { if (np->parent - && device_is_compatible(np->parent, "uni-north") - && device_is_compatible(np, "gmac")) + && of_device_is_compatible(np->parent, "uni-north") + && of_device_is_compatible(np, "gmac")) core99_gmac_enable(np, 0, 1); np = of_find_node_by_name(np, "ethernet"); } @@ -2831,10 +2831,10 @@ set_initial_features(void) np = of_find_node_by_name(NULL, "firewire"); while(np) { if (np->parent - && device_is_compatible(np->parent, "uni-north") - && (device_is_compatible(np, "pci106b,18") || - device_is_compatible(np, "pci106b,30") || - device_is_compatible(np, "pci11c1,5811"))) { + && of_device_is_compatible(np->parent, "uni-north") + && (of_device_is_compatible(np, "pci106b,18") || + of_device_is_compatible(np, "pci106b,30") || + of_device_is_compatible(np, "pci11c1,5811"))) { macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; core99_firewire_enable(np, 0, 1); } @@ -2845,8 +2845,8 @@ set_initial_features(void) np = of_find_node_by_name(NULL, "ata-6"); while(np) { if (np->parent - && device_is_compatible(np->parent, "uni-north") - && device_is_compatible(np, "kauai-ata")) { + && of_device_is_compatible(np->parent, "uni-north") + && of_device_is_compatible(np, "kauai-ata")) { core99_ata100_enable(np, 1); } np = of_find_node_by_name(np, "ata-6"); diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 5430e146b3e..3f507ab9c5e 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -1207,7 +1207,7 @@ static void pmac_i2c_devscan(void (*callback)(struct device_node *dev, if (strcmp(np->name, p->name)) continue; if (p->compatible && - !device_is_compatible(np, p->compatible)) + !of_device_is_compatible(np, p->compatible)) continue; if (p->quirks & pmac_i2c_quirk_skip) break; diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c index 692945c1491..c6f0f9e738e 100644 --- a/arch/powerpc/platforms/powermac/nvram.c +++ b/arch/powerpc/platforms/powermac/nvram.c @@ -553,7 +553,7 @@ static int __init core99_nvram_setup(struct device_node *dp, unsigned long addr) * identify the chip using flash id commands and base ourselves on * a list of known chips IDs */ - if (device_is_compatible(dp, "amd-0137")) { + if (of_device_is_compatible(dp, "amd-0137")) { core99_erase_bank = amd_erase_bank; core99_write_bank = amd_write_bank; } else { @@ -588,7 +588,7 @@ int __init pmac_nvram_init(void) } } - is_core_99 = device_is_compatible(dp, "nvram,flash"); + is_core_99 = of_device_is_compatible(dp, "nvram,flash"); if (is_core_99) { err = core99_nvram_setup(dp, r1.start); goto bail; diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index 22c4ae4c693..c4af9e21ac9 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -934,15 +934,15 @@ static int __init add_bridge(struct device_node *dev) /* 64 bits only bridges */ #ifdef CONFIG_PPC64 - if (device_is_compatible(dev, "u3-agp")) { + if (of_device_is_compatible(dev, "u3-agp")) { setup_u3_agp(hose); disp_name = "U3-AGP"; primary = 0; - } else if (device_is_compatible(dev, "u3-ht")) { + } else if (of_device_is_compatible(dev, "u3-ht")) { setup_u3_ht(hose); disp_name = "U3-HT"; primary = 1; - } else if (device_is_compatible(dev, "u4-pcie")) { + } else if (of_device_is_compatible(dev, "u4-pcie")) { setup_u4_pcie(hose); disp_name = "U4-PCIE"; primary = 0; @@ -953,7 +953,7 @@ static int __init add_bridge(struct device_node *dev) /* 32 bits only bridges */ #ifdef CONFIG_PPC32 - if (device_is_compatible(dev, "uni-north")) { + if (of_device_is_compatible(dev, "uni-north")) { primary = setup_uninorth(hose, &rsrc); disp_name = "UniNorth"; } else if (strcmp(dev->name, "pci") == 0) { @@ -1129,21 +1129,21 @@ pmac_pci_enable_device_hook(struct pci_dev *dev, int initial) return 0; uninorth_child = node->parent && - device_is_compatible(node->parent, "uni-north"); + of_device_is_compatible(node->parent, "uni-north"); /* Firewire & GMAC were disabled after PCI probe, the driver is * claiming them, we must re-enable them now. */ if (uninorth_child && !strcmp(node->name, "firewire") && - (device_is_compatible(node, "pci106b,18") || - device_is_compatible(node, "pci106b,30") || - device_is_compatible(node, "pci11c1,5811"))) { + (of_device_is_compatible(node, "pci106b,18") || + of_device_is_compatible(node, "pci106b,30") || + of_device_is_compatible(node, "pci11c1,5811"))) { pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, node, 0, 1); pmac_call_feature(PMAC_FTR_1394_ENABLE, node, 0, 1); updatecfg = 1; } if (uninorth_child && !strcmp(node->name, "ethernet") && - device_is_compatible(node, "gmac")) { + of_device_is_compatible(node, "gmac")) { pmac_call_feature(PMAC_FTR_GMAC_ENABLE, node, 0, 1); updatecfg = 1; } @@ -1203,18 +1203,18 @@ void __init pmac_pcibios_after_init(void) #endif /* CONFIG_BLK_DEV_IDE */ for_each_node_by_name(nd, "firewire") { - if (nd->parent && (device_is_compatible(nd, "pci106b,18") || - device_is_compatible(nd, "pci106b,30") || - device_is_compatible(nd, "pci11c1,5811")) - && device_is_compatible(nd->parent, "uni-north")) { + if (nd->parent && (of_device_is_compatible(nd, "pci106b,18") || + of_device_is_compatible(nd, "pci106b,30") || + of_device_is_compatible(nd, "pci11c1,5811")) + && of_device_is_compatible(nd->parent, "uni-north")) { pmac_call_feature(PMAC_FTR_1394_ENABLE, nd, 0, 0); pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, nd, 0, 0); } } of_node_put(nd); for_each_node_by_name(nd, "ethernet") { - if (nd->parent && device_is_compatible(nd, "gmac") - && device_is_compatible(nd->parent, "uni-north")) + if (nd->parent && of_device_is_compatible(nd, "gmac") + && of_device_is_compatible(nd->parent, "uni-north")) pmac_call_feature(PMAC_FTR_GMAC_ENABLE, nd, 0, 0); } of_node_put(nd); diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index ae5097ac037..87cd6805171 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -364,7 +364,7 @@ static void __init pmac_pic_probe_oldstyle(void) slave = of_find_node_by_name(master, "mac-io"); /* Check ordering of master & slave */ - if (device_is_compatible(master, "gatwick")) { + if (of_device_is_compatible(master, "gatwick")) { struct device_node *tmp; BUG_ON(slave == NULL); tmp = master; diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index b820cabac69..a410bc76a8a 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -439,76 +439,14 @@ static void __init find_boot_device(void) #endif } -/* TODO: Merge the suspend-to-ram with the common code !!! - * currently, this is a stub implementation for suspend-to-disk - * only - */ - -#ifdef CONFIG_SOFTWARE_SUSPEND - -static int pmac_pm_prepare(suspend_state_t state) -{ - printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); - - return 0; -} - -static int pmac_pm_enter(suspend_state_t state) -{ - printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); - - /* Giveup the lazy FPU & vec so we don't have to back them - * up from the low level code - */ - enable_kernel_fp(); - -#ifdef CONFIG_ALTIVEC - if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC) - enable_kernel_altivec(); -#endif /* CONFIG_ALTIVEC */ - - return 0; -} - -static int pmac_pm_finish(suspend_state_t state) -{ - printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); - - /* Restore userland MMU context */ - set_context(current->active_mm->context.id, current->active_mm->pgd); - - return 0; -} - -static int pmac_pm_valid(suspend_state_t state) -{ - switch (state) { - case PM_SUSPEND_DISK: - return 1; - /* can't do any other states via generic mechanism yet */ - default: - return 0; - } -} - -static struct pm_ops pmac_pm_ops = { - .pm_disk_mode = PM_DISK_SHUTDOWN, - .prepare = pmac_pm_prepare, - .enter = pmac_pm_enter, - .finish = pmac_pm_finish, - .valid = pmac_pm_valid, -}; - -#endif /* CONFIG_SOFTWARE_SUSPEND */ - static int initializing = 1; static int pmac_late_init(void) { initializing = 0; -#ifdef CONFIG_SOFTWARE_SUSPEND - pm_set_ops(&pmac_pm_ops); -#endif /* CONFIG_SOFTWARE_SUSPEND */ + /* this is udbg (which is __init) and we can later use it during + * cpu hotplug (in smp_core99_kick_cpu) */ + ppc_md.progress = NULL; return 0; } @@ -721,12 +659,57 @@ static int pmac_pci_probe_mode(struct pci_bus *bus) /* We need to use normal PCI probing for the AGP bus, * since the device for the AGP bridge isn't in the tree. */ - if (bus->self == NULL && (device_is_compatible(node, "u3-agp") || - device_is_compatible(node, "u4-pcie"))) + if (bus->self == NULL && (of_device_is_compatible(node, "u3-agp") || + of_device_is_compatible(node, "u4-pcie"))) return PCI_PROBE_NORMAL; return PCI_PROBE_DEVTREE; } -#endif + +#ifdef CONFIG_HOTPLUG_CPU +/* access per cpu vars from generic smp.c */ +DECLARE_PER_CPU(int, cpu_state); + +static void pmac_cpu_die(void) +{ + /* + * turn off as much as possible, we'll be + * kicked out as this will only be invoked + * on core99 platforms for now ... + */ + + printk(KERN_INFO "CPU#%d offline\n", smp_processor_id()); + __get_cpu_var(cpu_state) = CPU_DEAD; + smp_wmb(); + + /* + * during the path that leads here preemption is disabled, + * reenable it now so that when coming up preempt count is + * zero correctly + */ + preempt_enable(); + + /* + * hard-disable interrupts for the non-NAP case, the NAP code + * needs to re-enable interrupts (but soft-disables them) + */ + hard_irq_disable(); + + while (1) { + /* let's not take timer interrupts too often ... */ + set_dec(0x7fffffff); + + /* should always be true at this point */ + if (cpu_has_feature(CPU_FTR_CAN_NAP)) + power4_cpu_offline_powersave(); + else { + HMT_low(); + HMT_very_low(); + } + } +} +#endif /* CONFIG_HOTPLUG_CPU */ + +#endif /* CONFIG_PPC64 */ define_machine(powermac) { .name = "PowerMac", @@ -763,6 +746,6 @@ define_machine(powermac) { .phys_mem_access_prot = pci_phys_mem_access_prot, #endif #if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64) - .cpu_die = generic_mach_cpu_die, + .cpu_die = pmac_cpu_die, #endif }; diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 6f32c4eca6e..686ed82bde7 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -24,7 +24,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/delay.h> @@ -562,7 +561,7 @@ static void __init smp_core99_setup_i2c_hwsync(int ncpus) /* Look for the clock chip */ while ((cc = of_find_node_by_name(cc, "i2c-hwclock")) != NULL) { p = of_get_parent(cc); - ok = p && device_is_compatible(p, "uni-n-i2c"); + ok = p && of_device_is_compatible(p, "uni-n-i2c"); of_node_put(p); if (!ok) continue; @@ -575,11 +574,11 @@ static void __init smp_core99_setup_i2c_hwsync(int ncpus) continue; switch (*reg) { case 0xd2: - if (device_is_compatible(cc,"pulsar-legacy-slewing")) { + if (of_device_is_compatible(cc,"pulsar-legacy-slewing")) { pmac_tb_freeze = smp_core99_pulsar_tb_freeze; pmac_tb_pulsar_addr = 0xd2; name = "Pulsar"; - } else if (device_is_compatible(cc, "cy28508")) { + } else if (of_device_is_compatible(cc, "cy28508")) { pmac_tb_freeze = smp_core99_cypress_tb_freeze; name = "Cypress"; } @@ -900,7 +899,7 @@ void smp_core99_cpu_die(unsigned int cpu) cpu_dead[cpu] = 0; } -#endif +#endif /* CONFIG_HOTPLUG_CPU && CONFIG_PP32 */ /* Core99 Macs (dual G4s and G5s) */ struct smp_ops_t core99_smp_ops = { @@ -910,8 +909,16 @@ struct smp_ops_t core99_smp_ops = { .setup_cpu = smp_core99_setup_cpu, .give_timebase = smp_core99_give_timebase, .take_timebase = smp_core99_take_timebase, -#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC32) +#if defined(CONFIG_HOTPLUG_CPU) +# if defined(CONFIG_PPC32) .cpu_disable = smp_core99_cpu_disable, .cpu_die = smp_core99_cpu_die, +# endif +# if defined(CONFIG_PPC64) + .cpu_disable = generic_cpu_disable, + .cpu_die = generic_cpu_die, + /* intentionally do *NOT* assign cpu_enable, + * the generic code will use kick_cpu then! */ +# endif #endif }; diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c index ea60c451cf8..a1409e450c7 100644 --- a/arch/powerpc/platforms/ps3/htab.c +++ b/arch/powerpc/platforms/ps3/htab.c @@ -273,7 +273,8 @@ void __init ps3_map_htab(void) result = lv1_map_htab(0, &htab_addr); - htab = (hpte_t *)__ioremap(htab_addr, htab_size, PAGE_READONLY_X); + htab = (hpte_t *)__ioremap(htab_addr, htab_size, + pgprot_val(PAGE_READONLY_X)); DBG("%s:%d: lpar %016lxh, virt %016lxh\n", __func__, __LINE__, htab_addr, (unsigned long)htab); diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index 631c3009561..9da82c266ba 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -89,7 +89,18 @@ struct ps3_private { static DEFINE_PER_CPU(struct ps3_private, ps3_private); -int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet, +/** + * ps3_virq_setup - virq related setup. + * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be + * serviced on. + * @outlet: The HV outlet from the various create outlet routines. + * @virq: The assigned Linux virq. + * + * Calls irq_create_mapping() to get a virq and sets the chip data to + * ps3_private data. + */ + +int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet, unsigned int *virq) { int result; @@ -111,17 +122,6 @@ int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet, goto fail_create; } - /* Binds outlet to cpu + virq. */ - - result = lv1_connect_irq_plug_ext(pd->node, pd->cpu, *virq, outlet, 0); - - if (result) { - pr_info("%s:%d: lv1_connect_irq_plug_ext failed: %s\n", - __func__, __LINE__, ps3_result(result)); - result = -EPERM; - goto fail_connect; - } - pr_debug("%s:%d: outlet %lu => cpu %u, virq %u\n", __func__, __LINE__, outlet, cpu, *virq); @@ -136,94 +136,118 @@ int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet, return result; fail_set: - lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, *virq); -fail_connect: irq_dispose_mapping(*virq); fail_create: return result; } -EXPORT_SYMBOL_GPL(ps3_alloc_irq); -int ps3_free_irq(unsigned int virq) +/** + * ps3_virq_destroy - virq related teardown. + * @virq: The assigned Linux virq. + * + * Clears chip data and calls irq_dispose_mapping() for the virq. + */ + +int ps3_virq_destroy(unsigned int virq) { - int result; const struct ps3_private *pd = get_irq_chip_data(virq); pr_debug("%s:%d: node %lu, cpu %d, virq %u\n", __func__, __LINE__, pd->node, pd->cpu, virq); - result = lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, virq); - - if (result) - pr_info("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n", - __func__, __LINE__, ps3_result(result)); - set_irq_chip_data(virq, NULL); irq_dispose_mapping(virq); - return result; + + pr_debug("%s:%d <-\n", __func__, __LINE__); + return 0; } -EXPORT_SYMBOL_GPL(ps3_free_irq); /** - * ps3_alloc_io_irq - Assign a virq to a system bus device. + * ps3_irq_plug_setup - Generic outlet and virq related setup. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. - * @interrupt_id: The device interrupt id read from the system repository. + * @outlet: The HV outlet from the various create outlet routines. * @virq: The assigned Linux virq. * - * An io irq represents a non-virtualized device interrupt. interrupt_id - * coresponds to the interrupt number of the interrupt controller. + * Sets up virq and connects the irq plug. */ -int ps3_alloc_io_irq(enum ps3_cpu_binding cpu, unsigned int interrupt_id, +int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet, unsigned int *virq) { int result; - unsigned long outlet; + struct ps3_private *pd; - result = lv1_construct_io_irq_outlet(interrupt_id, &outlet); + result = ps3_virq_setup(cpu, outlet, virq); if (result) { - pr_debug("%s:%d: lv1_construct_io_irq_outlet failed: %s\n", - __func__, __LINE__, ps3_result(result)); - return result; + pr_debug("%s:%d: ps3_virq_setup failed\n", __func__, __LINE__); + goto fail_setup; } - result = ps3_alloc_irq(cpu, outlet, virq); - BUG_ON(result); + pd = get_irq_chip_data(*virq); + + /* Binds outlet to cpu + virq. */ + + result = lv1_connect_irq_plug_ext(pd->node, pd->cpu, *virq, outlet, 0); + if (result) { + pr_info("%s:%d: lv1_connect_irq_plug_ext failed: %s\n", + __func__, __LINE__, ps3_result(result)); + result = -EPERM; + goto fail_connect; + } + + return result; + +fail_connect: + ps3_virq_destroy(*virq); +fail_setup: return result; } -EXPORT_SYMBOL_GPL(ps3_alloc_io_irq); +EXPORT_SYMBOL_GPL(ps3_irq_plug_setup); + +/** + * ps3_irq_plug_destroy - Generic outlet and virq related teardown. + * @virq: The assigned Linux virq. + * + * Disconnects the irq plug and tears down virq. + * Do not call for system bus event interrupts setup with + * ps3_sb_event_receive_port_setup(). + */ -int ps3_free_io_irq(unsigned int virq) +int ps3_irq_plug_destroy(unsigned int virq) { int result; + const struct ps3_private *pd = get_irq_chip_data(virq); - result = lv1_destruct_io_irq_outlet(virq_to_hw(virq)); + pr_debug("%s:%d: node %lu, cpu %d, virq %u\n", __func__, __LINE__, + pd->node, pd->cpu, virq); + + result = lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, virq); if (result) - pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", - __func__, __LINE__, ps3_result(result)); + pr_info("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n", + __func__, __LINE__, ps3_result(result)); - ps3_free_irq(virq); + ps3_virq_destroy(virq); return result; } -EXPORT_SYMBOL_GPL(ps3_free_io_irq); +EXPORT_SYMBOL_GPL(ps3_irq_plug_destroy); /** - * ps3_alloc_event_irq - Allocate a virq for use with a system event. + * ps3_event_receive_port_setup - Setup an event receive port. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @virq: The assigned Linux virq. * * The virq can be used with lv1_connect_interrupt_event_receive_port() to - * arrange to receive events, or with ps3_send_event_locally() to signal - * events. + * arrange to receive interrupts from system-bus devices, or with + * ps3_send_event_locally() to signal events. */ -int ps3_alloc_event_irq(enum ps3_cpu_binding cpu, unsigned int *virq) +int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq) { int result; unsigned long outlet; @@ -237,17 +261,27 @@ int ps3_alloc_event_irq(enum ps3_cpu_binding cpu, unsigned int *virq) return result; } - result = ps3_alloc_irq(cpu, outlet, virq); + result = ps3_irq_plug_setup(cpu, outlet, virq); BUG_ON(result); return result; } +EXPORT_SYMBOL_GPL(ps3_event_receive_port_setup); + +/** + * ps3_event_receive_port_destroy - Destroy an event receive port. + * @virq: The assigned Linux virq. + * + * Since ps3_event_receive_port_destroy destroys the receive port outlet, + * SB devices need to call disconnect_interrupt_event_receive_port() before + * this. + */ -int ps3_free_event_irq(unsigned int virq) +int ps3_event_receive_port_destroy(unsigned int virq) { int result; - pr_debug(" -> %s:%d\n", __func__, __LINE__); + pr_debug(" -> %s:%d virq: %u\n", __func__, __LINE__, virq); result = lv1_destruct_event_receive_port(virq_to_hw(virq)); @@ -255,11 +289,17 @@ int ps3_free_event_irq(unsigned int virq) pr_debug("%s:%d: lv1_destruct_event_receive_port failed: %s\n", __func__, __LINE__, ps3_result(result)); - ps3_free_irq(virq); + /* lv1_destruct_event_receive_port() destroys the IRQ plug, + * so don't call ps3_irq_plug_destroy() here. + */ + + result = ps3_virq_destroy(virq); + BUG_ON(result); pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } +EXPORT_SYMBOL_GPL(ps3_event_receive_port_destroy); int ps3_send_event_locally(unsigned int virq) { @@ -267,7 +307,7 @@ int ps3_send_event_locally(unsigned int virq) } /** - * ps3_connect_event_irq - Assign a virq to a system bus device. + * ps3_sb_event_receive_port_setup - Setup a system bus event receive port. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @did: The HV device identifier read from the system repository. @@ -278,13 +318,15 @@ int ps3_send_event_locally(unsigned int virq) * coresponds to the software interrupt number. */ -int ps3_connect_event_irq(enum ps3_cpu_binding cpu, +int ps3_sb_event_receive_port_setup(enum ps3_cpu_binding cpu, const struct ps3_device_id *did, unsigned int interrupt_id, unsigned int *virq) { + /* this should go in system-bus.c */ + int result; - result = ps3_alloc_event_irq(cpu, virq); + result = ps3_event_receive_port_setup(cpu, virq); if (result) return result; @@ -296,7 +338,7 @@ int ps3_connect_event_irq(enum ps3_cpu_binding cpu, pr_debug("%s:%d: lv1_connect_interrupt_event_receive_port" " failed: %s\n", __func__, __LINE__, ps3_result(result)); - ps3_free_event_irq(*virq); + ps3_event_receive_port_destroy(*virq); *virq = NO_IRQ; return result; } @@ -306,10 +348,13 @@ int ps3_connect_event_irq(enum ps3_cpu_binding cpu, return 0; } +EXPORT_SYMBOL(ps3_sb_event_receive_port_setup); -int ps3_disconnect_event_irq(const struct ps3_device_id *did, +int ps3_sb_event_receive_port_destroy(const struct ps3_device_id *did, unsigned int interrupt_id, unsigned int virq) { + /* this should go in system-bus.c */ + int result; pr_debug(" -> %s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__, @@ -323,14 +368,65 @@ int ps3_disconnect_event_irq(const struct ps3_device_id *did, " failed: %s\n", __func__, __LINE__, ps3_result(result)); - ps3_free_event_irq(virq); + result = ps3_event_receive_port_destroy(virq); + BUG_ON(result); pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } +EXPORT_SYMBOL(ps3_sb_event_receive_port_destroy); /** - * ps3_alloc_vuart_irq - Configure the system virtual uart virq. + * ps3_io_irq_setup - Setup a system bus io irq. + * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be + * serviced on. + * @interrupt_id: The device interrupt id read from the system repository. + * @virq: The assigned Linux virq. + * + * An io irq represents a non-virtualized device interrupt. interrupt_id + * coresponds to the interrupt number of the interrupt controller. + */ + +int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id, + unsigned int *virq) +{ + int result; + unsigned long outlet; + + result = lv1_construct_io_irq_outlet(interrupt_id, &outlet); + + if (result) { + pr_debug("%s:%d: lv1_construct_io_irq_outlet failed: %s\n", + __func__, __LINE__, ps3_result(result)); + return result; + } + + result = ps3_irq_plug_setup(cpu, outlet, virq); + BUG_ON(result); + + return result; +} +EXPORT_SYMBOL_GPL(ps3_io_irq_setup); + +int ps3_io_irq_destroy(unsigned int virq) +{ + int result; + + result = lv1_destruct_io_irq_outlet(virq_to_hw(virq)); + + if (result) + pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", + __func__, __LINE__, ps3_result(result)); + + result = ps3_irq_plug_destroy(virq); + BUG_ON(result); + + return result; +} +EXPORT_SYMBOL_GPL(ps3_io_irq_destroy); + +/** + * ps3_vuart_irq_setup - Setup the system virtual uart virq. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @virt_addr_bmp: The caller supplied virtual uart interrupt bitmap. @@ -340,7 +436,7 @@ int ps3_disconnect_event_irq(const struct ps3_device_id *did, * freeing the interrupt will return a wrong state error. */ -int ps3_alloc_vuart_irq(enum ps3_cpu_binding cpu, void* virt_addr_bmp, +int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp, unsigned int *virq) { int result; @@ -359,13 +455,13 @@ int ps3_alloc_vuart_irq(enum ps3_cpu_binding cpu, void* virt_addr_bmp, return result; } - result = ps3_alloc_irq(cpu, outlet, virq); + result = ps3_irq_plug_setup(cpu, outlet, virq); BUG_ON(result); return result; } -int ps3_free_vuart_irq(unsigned int virq) +int ps3_vuart_irq_destroy(unsigned int virq) { int result; @@ -377,13 +473,14 @@ int ps3_free_vuart_irq(unsigned int virq) return result; } - ps3_free_irq(virq); + result = ps3_irq_plug_destroy(virq); + BUG_ON(result); return result; } /** - * ps3_alloc_spe_irq - Configure an spe virq. + * ps3_spe_irq_setup - Setup an spe virq. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. * @spe_id: The spe_id returned from lv1_construct_logical_spe(). @@ -392,7 +489,7 @@ int ps3_free_vuart_irq(unsigned int virq) * */ -int ps3_alloc_spe_irq(enum ps3_cpu_binding cpu, unsigned long spe_id, +int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id, unsigned int class, unsigned int *virq) { int result; @@ -408,15 +505,16 @@ int ps3_alloc_spe_irq(enum ps3_cpu_binding cpu, unsigned long spe_id, return result; } - result = ps3_alloc_irq(cpu, outlet, virq); + result = ps3_irq_plug_setup(cpu, outlet, virq); BUG_ON(result); return result; } -int ps3_free_spe_irq(unsigned int virq) +int ps3_spe_irq_destroy(unsigned int virq) { - ps3_free_irq(virq); + int result = ps3_irq_plug_destroy(virq); + BUG_ON(result); return 0; } diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c index 2014d2b4444..f8a3e206c58 100644 --- a/arch/powerpc/platforms/ps3/mm.c +++ b/arch/powerpc/platforms/ps3/mm.c @@ -826,5 +826,4 @@ void __init ps3_mm_init(void) void ps3_mm_shutdown(void) { ps3_mm_region_destroy(&map.r1); - map.total = map.rm.size; } diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index ac5df9688dc..c9894933084 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -137,6 +137,12 @@ early_param("ps3fb", early_parse_ps3fb); #define prealloc_ps3fb_videomemory() do { } while (0) #endif +static int ps3_set_dabr(u64 dabr) +{ + enum {DABR_USER = 1, DABR_KERNEL = 2,}; + + return lv1_set_dabr(dabr, DABR_KERNEL | DABR_USER) ? -1 : 0; +} static void __init ps3_setup_arch(void) { @@ -234,6 +240,7 @@ define_machine(ps3) { .get_boot_time = ps3_get_boot_time, .set_rtc_time = ps3_set_rtc_time, .get_rtc_time = ps3_get_rtc_time, + .set_dabr = ps3_set_dabr, .calibrate_decr = ps3_calibrate_decr, .progress = ps3_progress, .restart = ps3_restart, diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index 6fb887961a6..8729348c060 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -110,7 +110,7 @@ static void __init ps3_smp_setup_cpu(int cpu) BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3); for (i = 0; i < MSG_COUNT; i++) { - result = ps3_alloc_event_irq(cpu, &virqs[i]); + result = ps3_event_receive_port_setup(cpu, &virqs[i]); if (result) continue; @@ -134,11 +134,13 @@ void ps3_smp_cleanup_cpu(int cpu) int i; DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); + for (i = 0; i < MSG_COUNT; i++) { - ps3_free_event_irq(virqs[i]); free_irq(virqs[i], (void*)(long)i); + ps3_event_receive_port_destroy(virqs[i]); virqs[i] = NO_IRQ; } + DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); } diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c index a397e4e17c1..651437cb2c1 100644 --- a/arch/powerpc/platforms/ps3/spu.c +++ b/arch/powerpc/platforms/ps3/spu.c @@ -184,7 +184,7 @@ static int __init setup_areas(struct spu *spu) spu_pdata(spu)->shadow = __ioremap( spu_pdata(spu)->shadow_addr, sizeof(struct spe_shadow), - PAGE_READONLY | _PAGE_NO_CACHE | _PAGE_GUARDED); + pgprot_val(PAGE_READONLY) | _PAGE_NO_CACHE | _PAGE_GUARDED); if (!spu_pdata(spu)->shadow) { pr_debug("%s:%d: ioremap shadow failed\n", __func__, __LINE__); goto fail_ioremap; @@ -230,19 +230,19 @@ static int __init setup_interrupts(struct spu *spu) { int result; - result = ps3_alloc_spe_irq(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, + result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, 0, &spu->irqs[0]); if (result) goto fail_alloc_0; - result = ps3_alloc_spe_irq(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, + result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, 1, &spu->irqs[1]); if (result) goto fail_alloc_1; - result = ps3_alloc_spe_irq(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, + result = ps3_spe_irq_setup(PS3_BINDING_CPU_ANY, spu_pdata(spu)->spe_id, 2, &spu->irqs[2]); if (result) @@ -251,9 +251,9 @@ static int __init setup_interrupts(struct spu *spu) return result; fail_alloc_2: - ps3_free_spe_irq(spu->irqs[1]); + ps3_spe_irq_destroy(spu->irqs[1]); fail_alloc_1: - ps3_free_spe_irq(spu->irqs[0]); + ps3_spe_irq_destroy(spu->irqs[0]); fail_alloc_0: spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = NO_IRQ; return result; @@ -301,9 +301,9 @@ static int ps3_destroy_spu(struct spu *spu) result = lv1_disable_logical_spe(spu_pdata(spu)->spe_id, 0); BUG_ON(result); - ps3_free_spe_irq(spu->irqs[2]); - ps3_free_spe_irq(spu->irqs[1]); - ps3_free_spe_irq(spu->irqs[0]); + ps3_spe_irq_destroy(spu->irqs[2]); + ps3_spe_irq_destroy(spu->irqs[1]); + ps3_spe_irq_destroy(spu->irqs[0]); spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = NO_IRQ; diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile index 90235d59875..ae1fc92dc1c 100644 --- a/arch/powerpc/platforms/pseries/Makefile +++ b/arch/powerpc/platforms/pseries/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_SCANLOG) += scanlog.o obj-$(CONFIG_EEH) += eeh.o eeh_cache.o eeh_driver.o eeh_event.o obj-$(CONFIG_KEXEC) += kexec.o obj-$(CONFIG_PCI) += pci.o pci_dlpar.o +obj-$(CONFIG_PCI_MSI) += msi.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug-cpu.o diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 48fbd442e9d..63e23062e98 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -580,6 +580,36 @@ rtas_pci_slot_reset(struct pci_dn *pdn, int state) } /** + * pcibios_set_pcie_slot_reset - Set PCI-E reset state + * @dev: pci device struct + * @state: reset state to enter + * + * Return value: + * 0 if success + **/ +int pcibios_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state) +{ + struct device_node *dn = pci_device_to_OF_node(dev); + struct pci_dn *pdn = PCI_DN(dn); + + switch (state) { + case pcie_deassert_reset: + rtas_pci_slot_reset(pdn, 0); + break; + case pcie_hot_reset: + rtas_pci_slot_reset(pdn, 1); + break; + case pcie_warm_reset: + rtas_pci_slot_reset(pdn, 3); + break; + default: + return -EINVAL; + }; + + return 0; +} + +/** * rtas_set_slot_reset -- assert the pci #RST line for 1/4 second * @pdn: pci device node to be reset. * diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 66665c82415..eec684a8e44 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -504,6 +504,12 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev) break; } + if (!pdn || !PCI_DN(pdn)) { + printk(KERN_WARNING "pci_dma_dev_setup_pSeriesLP: " + "no DMA window found for pci dev=%s dn=%s\n", + pci_name(dev), dn? dn->full_name : "<null>"); + return; + } DBG(" parent is %s\n", pdn->full_name); /* Check for parent == NULL so we don't try to setup the empty EADS diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 3a70e8ad7bc..362dfbc260a 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -231,13 +231,13 @@ void __init find_udbg_vterm(void) goto out; vtermno = termno[0]; - if (device_is_compatible(stdout_node, "hvterm1")) { + if (of_device_is_compatible(stdout_node, "hvterm1")) { udbg_putc = udbg_putcLP; udbg_getc = udbg_getcLP; udbg_getc_poll = udbg_getc_pollLP; if (add_console) add_preferred_console("hvc", termno[0] & 0xff, NULL); - } else if (device_is_compatible(stdout_node, "hvterm-protocol")) { + } else if (of_device_is_compatible(stdout_node, "hvterm-protocol")) { vtermno = termno[0]; udbg_putc = udbg_hvsi_putc; udbg_getc = udbg_hvsi_getc; diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c new file mode 100644 index 00000000000..6063ea2f67a --- /dev/null +++ b/arch/powerpc/platforms/pseries/msi.c @@ -0,0 +1,270 @@ +/* + * Copyright 2006 Jake Moilanen <moilanen@austin.ibm.com>, IBM Corp. + * Copyright 2006-2007 Michael Ellerman, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ + +#include <linux/device.h> +#include <linux/irq.h> +#include <linux/msi.h> + +#include <asm/rtas.h> +#include <asm/hw_irq.h> +#include <asm/ppc-pci.h> + +static int query_token, change_token; + +#define RTAS_QUERY_FN 0 +#define RTAS_CHANGE_FN 1 +#define RTAS_RESET_FN 2 +#define RTAS_CHANGE_MSI_FN 3 +#define RTAS_CHANGE_MSIX_FN 4 + +static struct pci_dn *get_pdn(struct pci_dev *pdev) +{ + struct device_node *dn; + struct pci_dn *pdn; + + dn = pci_device_to_OF_node(pdev); + if (!dn) { + dev_dbg(&pdev->dev, "rtas_msi: No OF device node\n"); + return NULL; + } + + pdn = PCI_DN(dn); + if (!pdn) { + dev_dbg(&pdev->dev, "rtas_msi: No PCI DN\n"); + return NULL; + } + + return pdn; +} + +/* RTAS Helpers */ + +static int rtas_change_msi(struct pci_dn *pdn, u32 func, u32 num_irqs) +{ + u32 addr, seq_num, rtas_ret[3]; + unsigned long buid; + int rc; + + addr = rtas_config_addr(pdn->busno, pdn->devfn, 0); + buid = pdn->phb->buid; + + seq_num = 1; + do { + if (func == RTAS_CHANGE_MSI_FN || func == RTAS_CHANGE_MSIX_FN) + rc = rtas_call(change_token, 6, 4, rtas_ret, addr, + BUID_HI(buid), BUID_LO(buid), + func, num_irqs, seq_num); + else + rc = rtas_call(change_token, 6, 3, rtas_ret, addr, + BUID_HI(buid), BUID_LO(buid), + func, num_irqs, seq_num); + + seq_num = rtas_ret[1]; + } while (rtas_busy_delay(rc)); + + if (rc == 0) /* Success */ + rc = rtas_ret[0]; + + pr_debug("rtas_msi: ibm,change_msi(func=%d,num=%d) = (%d)\n", + func, num_irqs, rc); + + return rc; +} + +static void rtas_disable_msi(struct pci_dev *pdev) +{ + struct pci_dn *pdn; + + pdn = get_pdn(pdev); + if (!pdn) + return; + + if (rtas_change_msi(pdn, RTAS_CHANGE_FN, 0) != 0) + pr_debug("rtas_msi: Setting MSIs to 0 failed!\n"); +} + +static int rtas_query_irq_number(struct pci_dn *pdn, int offset) +{ + u32 addr, rtas_ret[2]; + unsigned long buid; + int rc; + + addr = rtas_config_addr(pdn->busno, pdn->devfn, 0); + buid = pdn->phb->buid; + + do { + rc = rtas_call(query_token, 4, 3, rtas_ret, addr, + BUID_HI(buid), BUID_LO(buid), offset); + } while (rtas_busy_delay(rc)); + + if (rc) { + pr_debug("rtas_msi: error (%d) querying source number\n", rc); + return rc; + } + + return rtas_ret[0]; +} + +static void rtas_teardown_msi_irqs(struct pci_dev *pdev) +{ + struct msi_desc *entry; + + list_for_each_entry(entry, &pdev->msi_list, list) { + if (entry->irq == NO_IRQ) + continue; + + set_irq_msi(entry->irq, NULL); + irq_dispose_mapping(entry->irq); + } + + rtas_disable_msi(pdev); +} + +static int check_req_msi(struct pci_dev *pdev, int nvec) +{ + struct device_node *dn; + struct pci_dn *pdn; + const u32 *req_msi; + + pdn = get_pdn(pdev); + if (!pdn) + return -ENODEV; + + dn = pdn->node; + + req_msi = of_get_property(dn, "ibm,req#msi", NULL); + if (!req_msi) { + pr_debug("rtas_msi: No ibm,req#msi on %s\n", dn->full_name); + return -ENOENT; + } + + if (*req_msi < nvec) { + pr_debug("rtas_msi: ibm,req#msi requests < %d MSIs\n", nvec); + return -ENOSPC; + } + + return 0; +} + +static int rtas_msi_check_device(struct pci_dev *pdev, int nvec, int type) +{ + if (type == PCI_CAP_ID_MSIX) + pr_debug("rtas_msi: MSI-X untested, trying anyway.\n"); + + return check_req_msi(pdev, nvec); +} + +static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) +{ + struct pci_dn *pdn; + int hwirq, virq, i, rc; + struct msi_desc *entry; + + pdn = get_pdn(pdev); + if (!pdn) + return -ENODEV; + + /* + * Try the new more explicit firmware interface, if that fails fall + * back to the old interface. The old interface is known to never + * return MSI-Xs. + */ + if (type == PCI_CAP_ID_MSI) { + rc = rtas_change_msi(pdn, RTAS_CHANGE_MSI_FN, nvec); + + if (rc != nvec) { + pr_debug("rtas_msi: trying the old firmware call.\n"); + rc = rtas_change_msi(pdn, RTAS_CHANGE_FN, nvec); + } + } else + rc = rtas_change_msi(pdn, RTAS_CHANGE_MSIX_FN, nvec); + + if (rc != nvec) { + pr_debug("rtas_msi: rtas_change_msi() failed\n"); + + /* + * In case of an error it's not clear whether the device is + * left with MSI enabled or not, so we explicitly disable. + */ + goto out_free; + } + + i = 0; + list_for_each_entry(entry, &pdev->msi_list, list) { + hwirq = rtas_query_irq_number(pdn, i); + if (hwirq < 0) { + rc = hwirq; + pr_debug("rtas_msi: error (%d) getting hwirq\n", rc); + goto out_free; + } + + virq = irq_create_mapping(NULL, hwirq); + + if (virq == NO_IRQ) { + pr_debug("rtas_msi: Failed mapping hwirq %d\n", hwirq); + rc = -ENOSPC; + goto out_free; + } + + dev_dbg(&pdev->dev, "rtas_msi: allocated virq %d\n", virq); + set_irq_msi(virq, entry); + unmask_msi_irq(virq); + } + + return 0; + + out_free: + rtas_teardown_msi_irqs(pdev); + return rc; +} + +static void rtas_msi_pci_irq_fixup(struct pci_dev *pdev) +{ + /* No LSI -> leave MSIs (if any) configured */ + if (pdev->irq == NO_IRQ) { + dev_dbg(&pdev->dev, "rtas_msi: no LSI, nothing to do.\n"); + return; + } + + /* No MSI -> MSIs can't have been assigned by fw, leave LSI */ + if (check_req_msi(pdev, 1)) { + dev_dbg(&pdev->dev, "rtas_msi: no req#msi, nothing to do.\n"); + return; + } + + dev_dbg(&pdev->dev, "rtas_msi: disabling existing MSI.\n"); + rtas_disable_msi(pdev); +} + +static int rtas_msi_init(void) +{ + query_token = rtas_token("ibm,query-interrupt-source-number"); + change_token = rtas_token("ibm,change-msi"); + + if ((query_token == RTAS_UNKNOWN_SERVICE) || + (change_token == RTAS_UNKNOWN_SERVICE)) { + pr_debug("rtas_msi: no RTAS tokens, no MSI support.\n"); + return -1; + } + + pr_debug("rtas_msi: Registering RTAS MSI callbacks.\n"); + + WARN_ON(ppc_md.setup_msi_irqs); + ppc_md.setup_msi_irqs = rtas_setup_msi_irqs; + ppc_md.teardown_msi_irqs = rtas_teardown_msi_irqs; + ppc_md.msi_check_device = rtas_msi_check_device; + + WARN_ON(ppc_md.pci_irq_fixup); + ppc_md.pci_irq_fixup = rtas_msi_pci_irq_fixup; + + return 0; +} +arch_initcall(rtas_msi_init); diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index fdc1a369f76..ffaf6c5c517 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -79,6 +79,7 @@ pcibios_remove_pci_devices(struct pci_bus *bus) pci_remove_bus_device(dev); } } +EXPORT_SYMBOL_GPL(pcibios_remove_pci_devices); /* Must be called before pci_bus_add_devices */ void diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 33eec2822c6..470db6efaeb 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -168,7 +168,7 @@ static void __init pseries_mpic_init_IRQ(void) /* Look for cascade */ for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { cascade = np; break; } diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 896cbf340c4..b854e7f1001 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -477,7 +477,7 @@ static int xics_host_match(struct irq_host *h, struct device_node *node) * like vdevices, events, etc... The trick we use here is to match * everything here except the legacy 8259 which is compatible "chrp,iic" */ - return !device_is_compatible(node, "chrp,iic"); + return !of_device_is_compatible(node, "chrp,iic"); } static int xics_host_map_direct(struct irq_host *h, unsigned int virq, @@ -618,7 +618,7 @@ static void __init xics_setup_8259_cascade(void) unsigned long intack = 0; for_each_node_by_type(np, "interrupt-controller") - if (device_is_compatible(np, "chrp,iic")) { + if (of_device_is_compatible(np, "chrp,iic")) { found = np; break; } diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index e96ca9618db..9ce775c38ab 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -2,7 +2,9 @@ ifeq ($(CONFIG_PPC64),y) EXTRA_CFLAGS += -mno-minimal-toc endif -obj-$(CONFIG_MPIC) += mpic.o +mpic-msi-obj-$(CONFIG_PCI_MSI) += mpic_msi.o mpic_u3msi.o +obj-$(CONFIG_MPIC) += mpic.o $(mpic-msi-obj-y) + obj-$(CONFIG_PPC_INDIRECT_PCI) += indirect_pci.o obj-$(CONFIG_PPC_MPC106) += grackle.o obj-$(CONFIG_PPC_DCR) += dcr.o @@ -26,7 +28,6 @@ endif # Temporary hack until we have migrated to asm-powerpc ifeq ($(ARCH),powerpc) -obj-$(CONFIG_MTD) += rom.o obj-$(CONFIG_CPM2) += cpm2_common.o cpm2_pic.o obj-$(CONFIG_8xx) += mpc8xx_pic.o commproc.o obj-$(CONFIG_UCODE_PATCH) += micropatch.o diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index 336186dd7f1..a1d2042bb30 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -36,6 +36,7 @@ #include <linux/pci.h> #include <linux/dma-mapping.h> #include <linux/vmalloc.h> +#include <linux/suspend.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/iommu.h> @@ -54,6 +55,9 @@ static unsigned long dart_tablesize; /* Virtual base address of the DART table */ static u32 *dart_vbase; +#ifdef CONFIG_PM +static u32 *dart_copy; +#endif /* Mapped base address for the dart */ static unsigned int __iomem *dart; @@ -346,6 +350,48 @@ void iommu_init_early_dart(void) set_pci_dma_ops(&dma_direct_ops); } +#ifdef CONFIG_PM +static void iommu_dart_save(void) +{ + memcpy(dart_copy, dart_vbase, 2*1024*1024); +} + +static void iommu_dart_restore(void) +{ + memcpy(dart_vbase, dart_copy, 2*1024*1024); + dart_tlb_invalidate_all(); +} + +static int __init iommu_init_late_dart(void) +{ + unsigned long tbasepfn; + struct page *p; + + /* if no dart table exists then we won't need to save it + * and the area has also not been reserved */ + if (!dart_tablebase) + return 0; + + tbasepfn = __pa(dart_tablebase) >> PAGE_SHIFT; + register_nosave_region_late(tbasepfn, + tbasepfn + ((1<<24) >> PAGE_SHIFT)); + + /* For suspend we need to copy the dart contents because + * it is not part of the regular mapping (see above) and + * thus not saved automatically. The memory for this copy + * must be allocated early because we need 2 MB. */ + p = alloc_pages(GFP_KERNEL, 21 - PAGE_SHIFT); + BUG_ON(!p); + dart_copy = page_address(p); + + ppc_md.iommu_save = iommu_dart_save; + ppc_md.iommu_restore = iommu_dart_restore; + + return 0; +} + +late_initcall(iommu_init_late_dart); +#endif void __init alloc_dart_table(void) { diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 0b84b7c775d..4fd2bec8991 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -36,6 +36,8 @@ #include <asm/mpic.h> #include <asm/smp.h> +#include "mpic.h" + #ifdef DEBUG #define DBG(fmt...) printk(fmt) #else @@ -354,6 +356,12 @@ static void mpic_startup_ht_interrupt(struct mpic *mpic, unsigned int source, tmp |= 0x22; writel(tmp, fixup->base + 4); spin_unlock_irqrestore(&mpic->fixup_lock, flags); + +#ifdef CONFIG_PM + /* use the lowest bit inverted to the actual HW, + * set if this fixup was enabled, clear otherwise */ + mpic->save_data[source].fixup_data = tmp | 1; +#endif } static void mpic_shutdown_ht_interrupt(struct mpic *mpic, unsigned int source, @@ -375,8 +383,58 @@ static void mpic_shutdown_ht_interrupt(struct mpic *mpic, unsigned int source, tmp |= 1; writel(tmp, fixup->base + 4); spin_unlock_irqrestore(&mpic->fixup_lock, flags); + +#ifdef CONFIG_PM + /* use the lowest bit inverted to the actual HW, + * set if this fixup was enabled, clear otherwise */ + mpic->save_data[source].fixup_data = tmp & ~1; +#endif } +#ifdef CONFIG_PCI_MSI +static void __init mpic_scan_ht_msi(struct mpic *mpic, u8 __iomem *devbase, + unsigned int devfn) +{ + u8 __iomem *base; + u8 pos, flags; + u64 addr = 0; + + for (pos = readb(devbase + PCI_CAPABILITY_LIST); pos != 0; + pos = readb(devbase + pos + PCI_CAP_LIST_NEXT)) { + u8 id = readb(devbase + pos + PCI_CAP_LIST_ID); + if (id == PCI_CAP_ID_HT) { + id = readb(devbase + pos + 3); + if ((id & HT_5BIT_CAP_MASK) == HT_CAPTYPE_MSI_MAPPING) + break; + } + } + + if (pos == 0) + return; + + base = devbase + pos; + + flags = readb(base + HT_MSI_FLAGS); + if (!(flags & HT_MSI_FLAGS_FIXED)) { + addr = readl(base + HT_MSI_ADDR_LO) & HT_MSI_ADDR_LO_MASK; + addr = addr | ((u64)readl(base + HT_MSI_ADDR_HI) << 32); + } + + printk(KERN_DEBUG "mpic: - HT:%02x.%x %s MSI mapping found @ 0x%lx\n", + PCI_SLOT(devfn), PCI_FUNC(devfn), + flags & HT_MSI_FLAGS_ENABLE ? "enabled" : "disabled", addr); + + if (!(flags & HT_MSI_FLAGS_ENABLE)) + writeb(flags | HT_MSI_FLAGS_ENABLE, base + HT_MSI_FLAGS); +} +#else +static void __init mpic_scan_ht_msi(struct mpic *mpic, u8 __iomem *devbase, + unsigned int devfn) +{ + return; +} +#endif + static void __init mpic_scan_ht_pic(struct mpic *mpic, u8 __iomem *devbase, unsigned int devfn, u32 vdid) { @@ -468,6 +526,7 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic) goto next; mpic_scan_ht_pic(mpic, devbase, devfn, l); + mpic_scan_ht_msi(mpic, devbase, devfn); next: /* next device, if function 0 */ @@ -559,7 +618,7 @@ static irqreturn_t mpic_ipi_action(int irq, void *dev_id) */ -static void mpic_unmask_irq(unsigned int irq) +void mpic_unmask_irq(unsigned int irq) { unsigned int loops = 100000; struct mpic *mpic = mpic_from_irq(irq); @@ -579,7 +638,7 @@ static void mpic_unmask_irq(unsigned int irq) } while(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK); } -static void mpic_mask_irq(unsigned int irq) +void mpic_mask_irq(unsigned int irq) { unsigned int loops = 100000; struct mpic *mpic = mpic_from_irq(irq); @@ -600,7 +659,7 @@ static void mpic_mask_irq(unsigned int irq) } while(!(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK)); } -static void mpic_end_irq(unsigned int irq) +void mpic_end_irq(unsigned int irq) { struct mpic *mpic = mpic_from_irq(irq); @@ -733,7 +792,7 @@ static unsigned int mpic_type_to_vecpri(struct mpic *mpic, unsigned int type) } } -static int mpic_set_irq_type(unsigned int virq, unsigned int flow_type) +int mpic_set_irq_type(unsigned int virq, unsigned int flow_type) { struct mpic *mpic = mpic_from_irq(virq); unsigned int src = mpic_irq_to_hw(virq); @@ -834,6 +893,8 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq, if (hw >= mpic->irq_count) return -EINVAL; + mpic_msi_reserve_hwirq(mpic, hw); + /* Default chip */ chip = &mpic->hc_irq; @@ -1142,8 +1203,10 @@ void __init mpic_init(struct mpic *mpic) /* Do the HT PIC fixups on U3 broken mpic */ DBG("MPIC flags: %x\n", mpic->flags); - if ((mpic->flags & MPIC_U3_HT_IRQS) && (mpic->flags & MPIC_PRIMARY)) - mpic_scan_ht_pics(mpic); + if ((mpic->flags & MPIC_U3_HT_IRQS) && (mpic->flags & MPIC_PRIMARY)) { + mpic_scan_ht_pics(mpic); + mpic_u3msi_init(mpic); + } for (i = 0; i < mpic->num_sources; i++) { /* start with vector = source number, and masked */ @@ -1167,6 +1230,12 @@ void __init mpic_init(struct mpic *mpic) /* Set current processor priority to 0 */ mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0); + +#ifdef CONFIG_PM + /* allocate memory to save mpic state */ + mpic->save_data = alloc_bootmem(mpic->num_sources * sizeof(struct mpic_irq_save)); + BUG_ON(mpic->save_data == NULL); +#endif } void __init mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio) @@ -1333,8 +1402,11 @@ unsigned int mpic_get_one_irq(struct mpic *mpic) #ifdef DEBUG_LOW DBG("%s: get_one_irq(): %d\n", mpic->name, src); #endif - if (unlikely(src == mpic->spurious_vec)) + if (unlikely(src == mpic->spurious_vec)) { + if (mpic->flags & MPIC_SPV_EOI) + mpic_eoi(mpic); return NO_IRQ; + } return irq_linear_revmap(mpic->irqhost, src); } @@ -1417,3 +1489,79 @@ void __devinit smp_mpic_setup_cpu(int cpu) mpic_setup_this_cpu(); } #endif /* CONFIG_SMP */ + +#ifdef CONFIG_PM +static int mpic_suspend(struct sys_device *dev, pm_message_t state) +{ + struct mpic *mpic = container_of(dev, struct mpic, sysdev); + int i; + + for (i = 0; i < mpic->num_sources; i++) { + mpic->save_data[i].vecprio = + mpic_irq_read(i, MPIC_INFO(IRQ_VECTOR_PRI)); + mpic->save_data[i].dest = + mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)); + } + + return 0; +} + +static int mpic_resume(struct sys_device *dev) +{ + struct mpic *mpic = container_of(dev, struct mpic, sysdev); + int i; + + for (i = 0; i < mpic->num_sources; i++) { + mpic_irq_write(i, MPIC_INFO(IRQ_VECTOR_PRI), + mpic->save_data[i].vecprio); + mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION), + mpic->save_data[i].dest); + +#ifdef CONFIG_MPIC_U3_HT_IRQS + { + struct mpic_irq_fixup *fixup = &mpic->fixups[i]; + + if (fixup->base) { + /* we use the lowest bit in an inverted meaning */ + if ((mpic->save_data[i].fixup_data & 1) == 0) + continue; + + /* Enable and configure */ + writeb(0x10 + 2 * fixup->index, fixup->base + 2); + + writel(mpic->save_data[i].fixup_data & ~1, + fixup->base + 4); + } + } +#endif + } /* end for loop */ + + return 0; +} +#endif + +static struct sysdev_class mpic_sysclass = { +#ifdef CONFIG_PM + .resume = mpic_resume, + .suspend = mpic_suspend, +#endif + set_kset_name("mpic"), +}; + +static int mpic_init_sys(void) +{ + struct mpic *mpic = mpics; + int error, id = 0; + + error = sysdev_class_register(&mpic_sysclass); + + while (mpic && !error) { + mpic->sysdev.cls = &mpic_sysclass; + mpic->sysdev.id = id++; + error = sysdev_register(&mpic->sysdev); + mpic = mpic->next; + } + return error; +} + +device_initcall(mpic_init_sys); diff --git a/arch/powerpc/sysdev/mpic.h b/arch/powerpc/sysdev/mpic.h new file mode 100644 index 00000000000..3a1c3d2c594 --- /dev/null +++ b/arch/powerpc/sysdev/mpic.h @@ -0,0 +1,38 @@ +#ifndef _POWERPC_SYSDEV_MPIC_H +#define _POWERPC_SYSDEV_MPIC_H + +/* + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ + +#ifdef CONFIG_PCI_MSI +extern void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq); +extern int mpic_msi_init_allocator(struct mpic *mpic); +extern irq_hw_number_t mpic_msi_alloc_hwirqs(struct mpic *mpic, int num); +extern void mpic_msi_free_hwirqs(struct mpic *mpic, int offset, int num); +extern int mpic_u3msi_init(struct mpic *mpic); +#else +static inline void mpic_msi_reserve_hwirq(struct mpic *mpic, + irq_hw_number_t hwirq) +{ + return; +} + +static inline int mpic_u3msi_init(struct mpic *mpic) +{ + return -1; +} +#endif + +extern int mpic_set_irq_type(unsigned int virq, unsigned int flow_type); +extern void mpic_end_irq(unsigned int irq); +extern void mpic_mask_irq(unsigned int irq); +extern void mpic_unmask_irq(unsigned int irq); + +#endif /* _POWERPC_SYSDEV_MPIC_H */ diff --git a/arch/powerpc/sysdev/mpic_msi.c b/arch/powerpc/sysdev/mpic_msi.c new file mode 100644 index 00000000000..b076793033c --- /dev/null +++ b/arch/powerpc/sysdev/mpic_msi.c @@ -0,0 +1,183 @@ +/* + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ + +#include <linux/irq.h> +#include <linux/bootmem.h> +#include <linux/bitmap.h> +#include <linux/msi.h> +#include <asm/mpic.h> +#include <asm/prom.h> +#include <asm/hw_irq.h> +#include <asm/ppc-pci.h> + + +static void __mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq) +{ + pr_debug("mpic: reserving hwirq 0x%lx\n", hwirq); + bitmap_allocate_region(mpic->hwirq_bitmap, hwirq, 0); +} + +void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq) +{ + unsigned long flags; + + /* The mpic calls this even when there is no allocator setup */ + if (!mpic->hwirq_bitmap) + return; + + spin_lock_irqsave(&mpic->bitmap_lock, flags); + __mpic_msi_reserve_hwirq(mpic, hwirq); + spin_unlock_irqrestore(&mpic->bitmap_lock, flags); +} + +irq_hw_number_t mpic_msi_alloc_hwirqs(struct mpic *mpic, int num) +{ + unsigned long flags; + int offset, order = get_count_order(num); + + spin_lock_irqsave(&mpic->bitmap_lock, flags); + /* + * This is fast, but stricter than we need. We might want to add + * a fallback routine which does a linear search with no alignment. + */ + offset = bitmap_find_free_region(mpic->hwirq_bitmap, mpic->irq_count, + order); + spin_unlock_irqrestore(&mpic->bitmap_lock, flags); + + pr_debug("mpic: allocated 0x%x (2^%d) at offset 0x%x\n", + num, order, offset); + + return offset; +} + +void mpic_msi_free_hwirqs(struct mpic *mpic, int offset, int num) +{ + unsigned long flags; + int order = get_count_order(num); + + pr_debug("mpic: freeing 0x%x (2^%d) at offset 0x%x\n", + num, order, offset); + + spin_lock_irqsave(&mpic->bitmap_lock, flags); + bitmap_release_region(mpic->hwirq_bitmap, offset, order); + spin_unlock_irqrestore(&mpic->bitmap_lock, flags); +} + +#ifdef CONFIG_MPIC_U3_HT_IRQS +static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) +{ + irq_hw_number_t hwirq; + struct irq_host_ops *ops = mpic->irqhost->ops; + struct device_node *np; + int flags, index, i; + struct of_irq oirq; + + pr_debug("mpic: found U3, guessing msi allocator setup\n"); + + /* Reserve source numbers we know are reserved in the HW */ + for (i = 0; i < 8; i++) + __mpic_msi_reserve_hwirq(mpic, i); + + for (i = 42; i < 46; i++) + __mpic_msi_reserve_hwirq(mpic, i); + + for (i = 100; i < 105; i++) + __mpic_msi_reserve_hwirq(mpic, i); + + np = NULL; + while ((np = of_find_all_nodes(np))) { + pr_debug("mpic: mapping hwirqs for %s\n", np->full_name); + + index = 0; + while (of_irq_map_one(np, index++, &oirq) == 0) { + ops->xlate(mpic->irqhost, NULL, oirq.specifier, + oirq.size, &hwirq, &flags); + __mpic_msi_reserve_hwirq(mpic, hwirq); + } + } + + return 0; +} +#else +static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) +{ + return -1; +} +#endif + +static int mpic_msi_reserve_dt_hwirqs(struct mpic *mpic) +{ + int i, len; + const u32 *p; + + p = of_get_property(mpic->of_node, "msi-available-ranges", &len); + if (!p) { + pr_debug("mpic: no msi-available-ranges property found on %s\n", + mpic->of_node->full_name); + return -ENODEV; + } + + if (len % 8 != 0) { + printk(KERN_WARNING "mpic: Malformed msi-available-ranges " + "property on %s\n", mpic->of_node->full_name); + return -EINVAL; + } + + bitmap_allocate_region(mpic->hwirq_bitmap, 0, + get_count_order(mpic->irq_count)); + + /* Format is: (<u32 start> <u32 count>)+ */ + len /= sizeof(u32); + for (i = 0; i < len / 2; i++, p += 2) + mpic_msi_free_hwirqs(mpic, *p, *(p + 1)); + + return 0; +} + +int mpic_msi_init_allocator(struct mpic *mpic) +{ + int rc, size; + + BUG_ON(mpic->hwirq_bitmap); + spin_lock_init(&mpic->bitmap_lock); + + size = BITS_TO_LONGS(mpic->irq_count) * sizeof(long); + pr_debug("mpic: allocator bitmap size is 0x%x bytes\n", size); + + if (mem_init_done) + mpic->hwirq_bitmap = kmalloc(size, GFP_KERNEL); + else + mpic->hwirq_bitmap = alloc_bootmem(size); + + if (!mpic->hwirq_bitmap) { + pr_debug("mpic: ENOMEM allocating allocator bitmap!\n"); + return -ENOMEM; + } + + memset(mpic->hwirq_bitmap, 0, size); + + rc = mpic_msi_reserve_dt_hwirqs(mpic); + if (rc) { + if (mpic->flags & MPIC_U3_HT_IRQS) + rc = mpic_msi_reserve_u3_hwirqs(mpic); + + if (rc) + goto out_free; + } + + return 0; + + out_free: + if (mem_init_done) + kfree(mpic->hwirq_bitmap); + + mpic->hwirq_bitmap = NULL; + return rc; +} diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c new file mode 100644 index 00000000000..305b864c25d --- /dev/null +++ b/arch/powerpc/sysdev/mpic_u3msi.c @@ -0,0 +1,186 @@ +/* + * Copyright 2006, Segher Boessenkool, IBM Corporation. + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ + +#include <linux/irq.h> +#include <linux/bootmem.h> +#include <linux/msi.h> +#include <asm/mpic.h> +#include <asm/prom.h> +#include <asm/hw_irq.h> +#include <asm/ppc-pci.h> + +#include "mpic.h" + +/* A bit ugly, can we get this from the pci_dev somehow? */ +static struct mpic *msi_mpic; + +static void mpic_u3msi_mask_irq(unsigned int irq) +{ + mask_msi_irq(irq); + mpic_mask_irq(irq); +} + +static void mpic_u3msi_unmask_irq(unsigned int irq) +{ + mpic_unmask_irq(irq); + unmask_msi_irq(irq); +} + +static struct irq_chip mpic_u3msi_chip = { + .shutdown = mpic_u3msi_mask_irq, + .mask = mpic_u3msi_mask_irq, + .unmask = mpic_u3msi_unmask_irq, + .eoi = mpic_end_irq, + .set_type = mpic_set_irq_type, + .typename = "MPIC-U3MSI", +}; + +static u64 read_ht_magic_addr(struct pci_dev *pdev, unsigned int pos) +{ + u8 flags; + u32 tmp; + u64 addr; + + pci_read_config_byte(pdev, pos + HT_MSI_FLAGS, &flags); + + if (flags & HT_MSI_FLAGS_FIXED) + return HT_MSI_FIXED_ADDR; + + pci_read_config_dword(pdev, pos + HT_MSI_ADDR_LO, &tmp); + addr = tmp & HT_MSI_ADDR_LO_MASK; + pci_read_config_dword(pdev, pos + HT_MSI_ADDR_HI, &tmp); + addr = addr | ((u64)tmp << 32); + + return addr; +} + +static u64 find_ht_magic_addr(struct pci_dev *pdev) +{ + struct pci_bus *bus; + unsigned int pos; + + for (bus = pdev->bus; bus; bus = bus->parent) { + pos = pci_find_ht_capability(bus->self, HT_CAPTYPE_MSI_MAPPING); + if (pos) + return read_ht_magic_addr(bus->self, pos); + } + + return 0; +} + +static int u3msi_msi_check_device(struct pci_dev *pdev, int nvec, int type) +{ + if (type == PCI_CAP_ID_MSIX) + pr_debug("u3msi: MSI-X untested, trying anyway.\n"); + + /* If we can't find a magic address then MSI ain't gonna work */ + if (find_ht_magic_addr(pdev) == 0) { + pr_debug("u3msi: no magic address found for %s\n", + pci_name(pdev)); + return -ENXIO; + } + + return 0; +} + +static void u3msi_teardown_msi_irqs(struct pci_dev *pdev) +{ + struct msi_desc *entry; + + list_for_each_entry(entry, &pdev->msi_list, list) { + if (entry->irq == NO_IRQ) + continue; + + set_irq_msi(entry->irq, NULL); + mpic_msi_free_hwirqs(msi_mpic, virq_to_hw(entry->irq), 1); + irq_dispose_mapping(entry->irq); + } + + return; +} + +static void u3msi_compose_msi_msg(struct pci_dev *pdev, int virq, + struct msi_msg *msg) +{ + u64 addr; + + addr = find_ht_magic_addr(pdev); + msg->address_lo = addr & 0xFFFFFFFF; + msg->address_hi = addr >> 32; + msg->data = virq_to_hw(virq); + + pr_debug("u3msi: allocated virq 0x%x (hw 0x%lx) at address 0x%lx\n", + virq, virq_to_hw(virq), addr); +} + +static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) +{ + irq_hw_number_t hwirq; + int rc; + unsigned int virq; + struct msi_desc *entry; + struct msi_msg msg; + + list_for_each_entry(entry, &pdev->msi_list, list) { + hwirq = mpic_msi_alloc_hwirqs(msi_mpic, 1); + if (hwirq < 0) { + rc = hwirq; + pr_debug("u3msi: failed allocating hwirq\n"); + goto out_free; + } + + virq = irq_create_mapping(msi_mpic->irqhost, hwirq); + if (virq == NO_IRQ) { + pr_debug("u3msi: failed mapping hwirq 0x%lx\n", hwirq); + mpic_msi_free_hwirqs(msi_mpic, hwirq, 1); + rc = -ENOSPC; + goto out_free; + } + + set_irq_msi(virq, entry); + set_irq_chip(virq, &mpic_u3msi_chip); + set_irq_type(virq, IRQ_TYPE_EDGE_RISING); + + u3msi_compose_msi_msg(pdev, virq, &msg); + write_msi_msg(virq, &msg); + + hwirq++; + } + + return 0; + + out_free: + u3msi_teardown_msi_irqs(pdev); + return rc; +} + +int mpic_u3msi_init(struct mpic *mpic) +{ + int rc; + + rc = mpic_msi_init_allocator(mpic); + if (rc) { + pr_debug("u3msi: Error allocating bitmap!\n"); + return rc; + } + + pr_debug("u3msi: Registering MPIC U3 MSI callbacks.\n"); + + BUG_ON(msi_mpic); + msi_mpic = mpic; + + WARN_ON(ppc_md.setup_msi_irqs); + ppc_md.setup_msi_irqs = u3msi_setup_msi_irqs; + ppc_md.teardown_msi_irqs = u3msi_teardown_msi_irqs; + ppc_md.msi_check_device = u3msi_msi_check_device; + + return 0; +} diff --git a/arch/powerpc/sysdev/rom.c b/arch/powerpc/sysdev/rom.c deleted file mode 100644 index c855a3b298a..00000000000 --- a/arch/powerpc/sysdev/rom.c +++ /dev/null @@ -1,32 +0,0 @@ -/* - * ROM device registration - * - * (C) 2006 MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include <linux/kernel.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> - -static int __init powerpc_flash_init(void) -{ - struct device_node *node = NULL; - - /* - * Register all the devices which type is "rom" - */ - while ((node = of_find_node_by_type(node, "rom")) != NULL) { - if (node->name == NULL) { - printk(KERN_WARNING "powerpc_flash_init: found 'rom' " - "device, but with no name, skipping...\n"); - continue; - } - of_platform_device_create(node, node->name, NULL); - } - return 0; -} - -arch_initcall(powerpc_flash_init); diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c index 337039ee51e..7d3b09b7d54 100644 --- a/arch/powerpc/sysdev/tsi108_dev.c +++ b/arch/powerpc/sysdev/tsi108_dev.c @@ -107,8 +107,9 @@ static int __init tsi108_eth_of_init(void) goto err; } - mac_addr = of_get_property(np, "address", NULL); - memcpy(tsi_eth_data.mac_addr, mac_addr, 6); + mac_addr = of_get_mac_address(np); + if (mac_addr) + memcpy(tsi_eth_data.mac_addr, mac_addr, 6); ph = of_get_property(np, "phy-handle", NULL); phy = of_find_node_by_phandle(*ph); @@ -129,6 +130,8 @@ static int __init tsi108_eth_of_init(void) tsi_eth_data.phyregs = res.start; tsi_eth_data.phy = *phy_id; tsi_eth_data.irq_num = irq_of_parse_and_map(np, 0); + if (of_device_is_compatible(phy, "bcm54xx")) + tsi_eth_data.phy_type = TSI108_PHY_BCM54XX; of_node_put(phy); ret = platform_device_add_data(tsi_eth_dev, &tsi_eth_data, diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c index 58b9e7f8abf..2153163fa59 100644 --- a/arch/powerpc/sysdev/tsi108_pci.c +++ b/arch/powerpc/sysdev/tsi108_pci.c @@ -35,6 +35,7 @@ #include <asm/machdep.h> #include <asm/pci-bridge.h> #include <asm/tsi108.h> +#include <asm/tsi108_pci.h> #include <asm/tsi108_irq.h> #include <asm/prom.h> @@ -49,6 +50,7 @@ ((((bus)<<16) | ((devfunc)<<8) | (offset & 0xfc)) + tsi108_pci_cfg_base) u32 tsi108_pci_cfg_base; +static u32 tsi108_pci_cfg_phys; u32 tsi108_csr_vir_base; static struct device_node *pci_irq_node; static struct irq_host *pci_irq_host; @@ -185,7 +187,7 @@ tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn, int offset, void tsi108_clear_pci_cfg_error(void) { - tsi108_clear_pci_error(TSI108_PCI_CFG_BASE_PHYS); + tsi108_clear_pci_error(tsi108_pci_cfg_phys); } static struct pci_ops tsi108_direct_pci_ops = { @@ -193,17 +195,17 @@ static struct pci_ops tsi108_direct_pci_ops = { tsi108_direct_write_config }; -int __init tsi108_setup_pci(struct device_node *dev) +int __init tsi108_setup_pci(struct device_node *dev, u32 cfg_phys, int primary) { int len; struct pci_controller *hose; struct resource rsrc; const int *bus_range; - int primary = 0, has_address = 0; + int has_address = 0; /* PCI Config mapping */ - tsi108_pci_cfg_base = (u32)ioremap(TSI108_PCI_CFG_BASE_PHYS, - TSI108_PCI_CFG_SIZE); + tsi108_pci_cfg_base = (u32)ioremap(cfg_phys, TSI108_PCI_CFG_SIZE); + tsi108_pci_cfg_phys = cfg_phys; DBG("TSI_PCI: %s tsi108_pci_cfg_base=0x%x\n", __FUNCTION__, tsi108_pci_cfg_base); diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c index 968fb40af9d..89059895a20 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/sysdev/uic.c @@ -221,7 +221,7 @@ static struct uic * __init uic_init_one(struct device_node *node) const u32 *indexp, *dcrreg; int len; - BUG_ON(! device_is_compatible(node, "ibm,uic")); + BUG_ON(! of_device_is_compatible(node, "ibm,uic")); uic = alloc_bootmem(sizeof(*uic)); if (! uic) diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index b481db1dacb..28fdf4f50c2 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1217,7 +1217,6 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp, { unsigned long size, offset; const char *name; - char *modname; *startp = *endp = 0; if (pc == 0) @@ -1225,7 +1224,7 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp, if (setjmp(bus_error_jmp) == 0) { catch_memory_errors = 1; sync(); - name = kallsyms_lookup(pc, &size, &offset, &modname, tmpstr); + name = kallsyms_lookup(pc, &size, &offset, NULL, tmpstr); if (name != NULL) { *startp = pc - offset; *endp = pc - offset + size; diff --git a/arch/ppc/kernel/ppc_htab.c b/arch/ppc/kernel/ppc_htab.c index 0a7e42d54ea..aa07b63c0a6 100644 --- a/arch/ppc/kernel/ppc_htab.c +++ b/arch/ppc/kernel/ppc_htab.c @@ -18,7 +18,6 @@ #include <linux/capability.h> #include <linux/ctype.h> #include <linux/threads.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/init.h> #include <linux/bitops.h> diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c index 96a55972b98..055998575cb 100644 --- a/arch/ppc/kernel/smp.c +++ b/arch/ppc/kernel/smp.c @@ -12,7 +12,6 @@ #include <linux/module.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/ppc/syslib/ppc4xx_sgdma.c b/arch/ppc/syslib/ppc4xx_sgdma.c index 5dadca3e0d6..c4b369b50f9 100644 --- a/arch/ppc/syslib/ppc4xx_sgdma.c +++ b/arch/ppc/syslib/ppc4xx_sgdma.c @@ -23,10 +23,10 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/dma-mapping.h> #include <asm/system.h> #include <asm/io.h> -#include <asm/dma-mapping.h> #include <asm/ppc4xx_dma.h> void diff --git a/arch/ppc/syslib/virtex_devices.h b/arch/ppc/syslib/virtex_devices.h index 4a17dd3927c..3d4be1412f6 100644 --- a/arch/ppc/syslib/virtex_devices.h +++ b/arch/ppc/syslib/virtex_devices.h @@ -13,6 +13,13 @@ #include <linux/platform_device.h> +/* ML300/403 reference design framebuffer driver platform data struct */ +struct xilinxfb_platform_data { + u32 rotate_screen; + u32 screen_height_mm; + u32 screen_width_mm; +}; + void __init virtex_early_serial_map(void); /* Prototype for device fixup routine. Implement this routine in the diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 80a54a0149a..a5692c460ba 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index dabaf98943d..a057ebf108a 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -23,6 +23,7 @@ #include <linux/kallsyms.h> #include <linux/reboot.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -33,7 +34,6 @@ #include <asm/s390_ext.h> #include <asm/lowcore.h> #include <asm/debug.h> -#include <asm/kdebug.h> #ifndef CONFIG_64BIT #define ONELONG "%08lx: " diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 23c61f6d965..e39333ae0fc 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -24,8 +24,8 @@ #include <linux/ptrace.h> #include <linux/preempt.h> #include <linux/stop_machine.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/sections.h> #include <asm/uaccess.h> #include <linux/module.h> @@ -271,23 +271,13 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs, } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { - struct kretprobe_instance *ri; + ri->ret_addr = (kprobe_opcode_t *) regs->gprs[14]; - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *) regs->gprs[14]; - - /* Replace the return addr with trampoline addr */ - regs->gprs[14] = (unsigned long)&kretprobe_trampoline; - - add_rp_inst(ri); - } else { - rp->nmissed++; - } + /* Replace the return addr with trampoline addr */ + regs->gprs[14] = (unsigned long)&kretprobe_trampoline; } static int __kprobes kprobe_handler(struct pt_regs *regs) @@ -671,3 +661,10 @@ int __init arch_init_kprobes(void) { return register_kprobe(&trampoline_p); } + +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + if (p->addr == (kprobe_opcode_t *) & kretprobe_trampoline) + return 1; + return 0; +} diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 11d9b019762..eb43c3b3126 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -22,7 +22,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 3c41907799a..d264671c1b7 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 3754e2031b3..b7977027a28 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -25,7 +25,6 @@ #include <linux/mm.h> #include <linux/spinlock.h> #include <linux/kernel_stat.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/cache.h> #include <linux/interrupt.h> diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index 2e5c65a1863..515ff9011dd 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -59,7 +59,7 @@ static unsigned long save_context_stack(struct stack_trace *trace, } } -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { register unsigned long sp asm ("15"); unsigned long orig_sp, new_sp; @@ -69,20 +69,16 @@ void save_stack_trace(struct stack_trace *trace, struct task_struct *task) new_sp = save_context_stack(trace, &trace->skip, orig_sp, S390_lowcore.panic_stack - PAGE_SIZE, S390_lowcore.panic_stack); - if ((new_sp != orig_sp) && !trace->all_contexts) + if (new_sp != orig_sp) return; new_sp = save_context_stack(trace, &trace->skip, new_sp, S390_lowcore.async_stack - ASYNC_SIZE, S390_lowcore.async_stack); - if ((new_sp != orig_sp) && !trace->all_contexts) + if (new_sp != orig_sp) return; - if (task) - save_context_stack(trace, &trace->skip, new_sp, - (unsigned long) task_stack_page(task), - (unsigned long) task_stack_page(task) + THREAD_SIZE); - else - save_context_stack(trace, &trace->skip, new_sp, - S390_lowcore.thread_info, - S390_lowcore.thread_info + THREAD_SIZE); + + save_context_stack(trace, &trace->skip, new_sp, + S390_lowcore.thread_info, + S390_lowcore.thread_info + THREAD_SIZE); return; } diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c index 3a77c22cda7..1c90c7e9997 100644 --- a/arch/s390/kernel/sys_s390.c +++ b/arch/s390/kernel/sys_s390.c @@ -17,7 +17,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index 711dae8da7a..9c2872a7cca 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -21,6 +21,7 @@ #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/time.h> +#include <linux/sysdev.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/smp.h> diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 49dec830373..cbfe73034c3 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -22,11 +22,11 @@ #include <linux/timer.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <linux/kallsyms.h> #include <linux/reboot.h> #include <linux/kprobes.h> @@ -40,7 +40,6 @@ #include <asm/s390_ext.h> #include <asm/lowcore.h> #include <asm/debug.h> -#include <asm/kdebug.h> /* Called from entry.S only */ extern void handle_per_exception(struct pt_regs *regs); @@ -70,20 +69,6 @@ static int kstack_depth_to_print = 12; static int kstack_depth_to_print = 20; #endif /* CONFIG_64BIT */ -ATOMIC_NOTIFIER_HEAD(s390die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&s390die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&s390die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); - /* * For show_trace we have tree different stack to consider: * - the panic stack which is used if the kernel stack has overflown diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 91f705adc3f..8b924b35977 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -20,6 +20,7 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> +#include <linux/kdebug.h> #include <linux/smp_lock.h> #include <linux/init.h> #include <linux/console.h> @@ -30,7 +31,6 @@ #include <asm/system.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/s390_ext.h> #ifndef CONFIG_64BIT diff --git a/arch/sh/drivers/pci/pci-st40.c b/arch/sh/drivers/pci/pci-st40.c index efecb3d5995..d67656a44b1 100644 --- a/arch/sh/drivers/pci/pci-st40.c +++ b/arch/sh/drivers/pci/pci-st40.c @@ -9,7 +9,6 @@ #include <linux/kernel.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/pci.h> diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c index 9048c0326d8..9833493d886 100644 --- a/arch/sh/kernel/early_printk.c +++ b/arch/sh/kernel/early_printk.c @@ -192,20 +192,14 @@ int __init setup_early_printk(char *buf) } #endif - if (likely(early_console)) + if (likely(early_console)) { + if (keep_early) + early_console->flags &= ~CON_BOOT; + else + early_console->flags |= CON_BOOT; register_console(early_console); + } return 0; } early_param("earlyprintk", setup_early_printk); - -void __init disable_early_printk(void) -{ - if (!early_console_initialized || !early_console) - return; - if (!keep_early) { - printk("disabling early console\n"); - unregister_console(early_console); - } else - printk("keeping early console\n"); -} diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c index 855f7246cff..3fb5fc0b550 100644 --- a/arch/sh/kernel/ptrace.c +++ b/arch/sh/kernel/ptrace.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c index 17f0b50c567..fa91641c1f6 100644 --- a/arch/sh/kernel/sh_ksyms.c +++ b/arch/sh/kernel/sh_ksyms.c @@ -5,7 +5,6 @@ #include <linux/sched.h> #include <linux/in6.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/pci.h> #include <linux/irq.h> diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c index 9f39ef1f73d..eb0191c374b 100644 --- a/arch/sh/kernel/signal.c +++ b/arch/sh/kernel/signal.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c index 0d5268afe80..4bdd2f83535 100644 --- a/arch/sh/kernel/stacktrace.c +++ b/arch/sh/kernel/stacktrace.c @@ -19,14 +19,7 @@ */ void save_stack_trace(struct stack_trace *trace, struct task_struct *task) { - unsigned long *sp; - - if (!task) - task = current; - if (task == current) - sp = (unsigned long *)current_stack_pointer; - else - sp = (unsigned long *)task->thread.sp; + unsigned long *sp = (unsigned long *)current_stack_pointer; while (!kstack_end(sp)) { unsigned long addr = *sp++; diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c index e18f183e103..76b1bc7f702 100644 --- a/arch/sh/kernel/sys_sh.c +++ b/arch/sh/kernel/sys_sh.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/sh/kernel/timers/timer-cmt.c b/arch/sh/kernel/timers/timer-cmt.c index a574b93a4e7..82de6895ade 100644 --- a/arch/sh/kernel/timers/timer-cmt.c +++ b/arch/sh/kernel/timers/timer-cmt.c @@ -115,7 +115,7 @@ static irqreturn_t cmt_timer_interrupt(int irq, void *dev_id) static struct irqaction cmt_irq = { .name = "timer", .handler = cmt_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, }; diff --git a/arch/sh/kernel/timers/timer-mtu2.c b/arch/sh/kernel/timers/timer-mtu2.c index fffcd1c0987..b7499a2a918 100644 --- a/arch/sh/kernel/timers/timer-mtu2.c +++ b/arch/sh/kernel/timers/timer-mtu2.c @@ -110,7 +110,7 @@ static irqreturn_t mtu2_timer_interrupt(int irq, void *dev_id) static struct irqaction mtu2_irq = { .name = "timer", .handler = mtu2_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, }; diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c index ad1ede52fc9..d9e3151c891 100644 --- a/arch/sh/kernel/timers/timer-tmu.c +++ b/arch/sh/kernel/timers/timer-tmu.c @@ -99,7 +99,7 @@ static irqreturn_t tmu_timer_interrupt(int irq, void *dummy) static struct irqaction tmu_irq = { .name = "timer", .handler = tmu_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, }; diff --git a/arch/sh/mm/fault-nommu.c b/arch/sh/mm/fault-nommu.c index 34d4e0c68fb..923cb456819 100644 --- a/arch/sh/mm/fault-nommu.c +++ b/arch/sh/mm/fault-nommu.c @@ -19,7 +19,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <asm/system.h> diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c index cf2c2ee35a3..ae8c321d6e2 100644 --- a/arch/sh/mm/hugetlbpage.c +++ b/arch/sh/mm/hugetlbpage.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/sysctl.h> diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index d0d45e2e0ab..02aae06527d 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -311,9 +311,9 @@ static int __init pmb_init(void) BUG_ON(unlikely(nr_entries >= NR_PMB_ENTRIES)); - pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry), - 0, 0, pmb_cache_ctor, pmb_cache_dtor); - BUG_ON(!pmb_cache); + pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry), 0, + SLAB_PANIC, pmb_cache_ctor, + pmb_cache_dtor); jump_to_P2(); diff --git a/arch/sh64/kernel/early_printk.c b/arch/sh64/kernel/early_printk.c index 8c8a76e180a..4f913112367 100644 --- a/arch/sh64/kernel/early_printk.c +++ b/arch/sh64/kernel/early_printk.c @@ -79,7 +79,7 @@ static struct console sh_console = { .name = "scifcon", .write = sh_console_write, .setup = sh_console_setup, - .flags = CON_PRINTBUFFER, + .flags = CON_PRINTBUFFER | CON_BOOT, .index = -1, }; @@ -97,9 +97,3 @@ void __init enable_early_printk(void) register_console(&sh_console); } - -void disable_early_printk(void) -{ - unregister_console(&sh_console); -} - diff --git a/arch/sh64/kernel/irq.c b/arch/sh64/kernel/irq.c index e7e07f8749c..f68b4f6c9b3 100644 --- a/arch/sh64/kernel/irq.c +++ b/arch/sh64/kernel/irq.c @@ -26,7 +26,6 @@ #include <linux/slab.h> #include <linux/random.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/seq_file.h> #include <linux/bitops.h> diff --git a/arch/sh64/kernel/pci_sh5.c b/arch/sh64/kernel/pci_sh5.c index 9dae689b6a9..49862e165c0 100644 --- a/arch/sh64/kernel/pci_sh5.c +++ b/arch/sh64/kernel/pci_sh5.c @@ -12,7 +12,6 @@ #include <linux/kernel.h> #include <linux/rwsem.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/errno.h> diff --git a/arch/sh64/kernel/sh_ksyms.c b/arch/sh64/kernel/sh_ksyms.c index 7aa4b4f7bc5..461ea3de316 100644 --- a/arch/sh64/kernel/sh_ksyms.c +++ b/arch/sh64/kernel/sh_ksyms.c @@ -17,7 +17,6 @@ #include <linux/sched.h> #include <linux/in6.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/screen_info.h> #include <asm/semaphore.h> diff --git a/arch/sh64/kernel/signal.c b/arch/sh64/kernel/signal.c index 1666d3efb52..b76bdfa473d 100644 --- a/arch/sh64/kernel/signal.c +++ b/arch/sh64/kernel/signal.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/sh64/kernel/sys_sh64.c b/arch/sh64/kernel/sys_sh64.c index ad0fa4e003e..19126daf9f4 100644 --- a/arch/sh64/kernel/sys_sh64.c +++ b/arch/sh64/kernel/sys_sh64.c @@ -20,7 +20,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/sh64/kernel/traps.c b/arch/sh64/kernel/traps.c index c346d7ef928..9d0d58fb29f 100644 --- a/arch/sh64/kernel/traps.c +++ b/arch/sh64/kernel/traps.c @@ -23,7 +23,6 @@ #include <linux/timer.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/spinlock.h> diff --git a/arch/sh64/kernel/unwind.c b/arch/sh64/kernel/unwind.c index f934f97f9f9..1214c78e358 100644 --- a/arch/sh64/kernel/unwind.c +++ b/arch/sh64/kernel/unwind.c @@ -46,15 +46,15 @@ static int lookup_prev_stack_frame(unsigned long fp, unsigned long pc, struct pt_regs *regs) { const char *sym; - char *modname, namebuf[128]; - unsigned long offset, size; + char namebuf[128]; + unsigned long offset; unsigned long prologue = 0; unsigned long fp_displacement = 0; unsigned long fp_prev = 0; unsigned long offset_r14 = 0, offset_r18 = 0; int i, found_prologue_end = 0; - sym = kallsyms_lookup(pc, &size, &offset, &modname, namebuf); + sym = kallsyms_lookup(pc, NULL, &offset, NULL, namebuf); if (!sym) return -EINVAL; diff --git a/arch/sh64/mm/fault.c b/arch/sh64/mm/fault.c index 4f72ab33bb2..4dd8ee8f01c 100644 --- a/arch/sh64/mm/fault.c +++ b/arch/sh64/mm/fault.c @@ -22,7 +22,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <asm/system.h> diff --git a/arch/sh64/mm/hugetlbpage.c b/arch/sh64/mm/hugetlbpage.c index 4b455f61114..fa66daa2dfa 100644 --- a/arch/sh64/mm/hugetlbpage.c +++ b/arch/sh64/mm/hugetlbpage.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/sysctl.h> diff --git a/arch/sh64/mm/tlbmiss.c b/arch/sh64/mm/tlbmiss.c index c8615954aaa..d4c5334186d 100644 --- a/arch/sh64/mm/tlbmiss.c +++ b/arch/sh64/mm/tlbmiss.c @@ -32,7 +32,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <asm/system.h> diff --git a/arch/sparc/kernel/head.S b/arch/sparc/kernel/head.S index 9a219e8b5dd..97da13c5256 100644 --- a/arch/sparc/kernel/head.S +++ b/arch/sparc/kernel/head.S @@ -19,7 +19,7 @@ #include <asm/ptrace.h> #include <asm/psr.h> #include <asm/page.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/winmacro.h> #include <asm/thread_info.h> /* TI_UWINMASK */ #include <asm/errno.h> diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index 5b4841d067c..bdbefa8a974 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -24,7 +24,6 @@ #include <linux/random.h> #include <linux/init.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/threads.h> #include <linux/spinlock.h> diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c index fc874e63a49..2940d2c1a77 100644 --- a/arch/sparc/kernel/process.c +++ b/arch/sparc/kernel/process.c @@ -23,7 +23,6 @@ #include <linux/user.h> #include <linux/a.out.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/reboot.h> #include <linux/delay.h> #include <linux/pm.h> diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c index eccd8e87f52..64c0ed98820 100644 --- a/arch/sparc/kernel/setup.c +++ b/arch/sparc/kernel/setup.c @@ -31,6 +31,7 @@ #include <linux/spinlock.h> #include <linux/root_dev.h> #include <linux/cpu.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/io.h> @@ -40,7 +41,6 @@ #include <asm/pgtable.h> #include <asm/traps.h> #include <asm/vaddrs.h> -#include <asm/kdebug.h> #include <asm/mbus.h> #include <asm/idprom.h> #include <asm/machines.h> diff --git a/arch/sparc/kernel/signal.c b/arch/sparc/kernel/signal.c index c9301b9143c..9994cac9507 100644 --- a/arch/sparc/kernel/signal.c +++ b/arch/sparc/kernel/signal.c @@ -17,7 +17,6 @@ #include <linux/mm.h> #include <linux/tty.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/binfmts.h> /* do_coredum */ #include <linux/bitops.h> diff --git a/arch/sparc/kernel/smp.c b/arch/sparc/kernel/smp.c index 6b5f26b0fb7..4d9ad59031b 100644 --- a/arch/sparc/kernel/smp.c +++ b/arch/sparc/kernel/smp.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/init.h> diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index 0e27e226e0e..116d6a241ca 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -17,7 +17,6 @@ #include <linux/random.h> #include <linux/init.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/seq_file.h> diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index c69de5d4863..098c94f1a32 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/init.h> diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 4e07bdbbfb5..63ed19bfd02 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -9,7 +9,6 @@ #include <linux/sched.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/init.h> diff --git a/arch/sparc/kernel/sunos_ioctl.c b/arch/sparc/kernel/sunos_ioctl.c index 32e8274e435..e613cc6a10b 100644 --- a/arch/sparc/kernel/sunos_ioctl.c +++ b/arch/sparc/kernel/sunos_ioctl.c @@ -21,7 +21,6 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/file.h> diff --git a/arch/sparc/kernel/sys_solaris.c b/arch/sparc/kernel/sys_solaris.c index 01b07bb440f..2226a599248 100644 --- a/arch/sparc/kernel/sys_solaris.c +++ b/arch/sparc/kernel/sys_solaris.c @@ -12,7 +12,6 @@ #include <linux/ptrace.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/module.h> asmlinkage int diff --git a/arch/sparc/kernel/traps.c b/arch/sparc/kernel/traps.c index 527687afc1c..dc9ffea2a4f 100644 --- a/arch/sparc/kernel/traps.c +++ b/arch/sparc/kernel/traps.c @@ -15,6 +15,7 @@ #include <linux/signal.h> #include <linux/smp.h> #include <linux/smp_lock.h> +#include <linux/kdebug.h> #include <asm/delay.h> #include <asm/system.h> @@ -22,7 +23,6 @@ #include <asm/oplib.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/unistd.h> #include <asm/traps.h> diff --git a/arch/sparc/lib/bitext.c b/arch/sparc/lib/bitext.c index 2e168d16547..764b3eb7b60 100644 --- a/arch/sparc/lib/bitext.c +++ b/arch/sparc/lib/bitext.c @@ -9,7 +9,6 @@ * fragmentation. */ -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/bitops.h> diff --git a/arch/sparc/mm/fault.c b/arch/sparc/mm/fault.c index 9eeed3347df..c3483365db4 100644 --- a/arch/sparc/mm/fault.c +++ b/arch/sparc/mm/fault.c @@ -18,9 +18,9 @@ #include <linux/signal.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/page.h> @@ -30,7 +30,6 @@ #include <asm/oplib.h> #include <asm/smp.h> #include <asm/traps.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> extern int prom_node_root; diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 0df7121cef0..e5eaa8072ae 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -18,13 +18,13 @@ #include <linux/bootmem.h> #include <linux/fs.h> #include <linux/seq_file.h> +#include <linux/kdebug.h> #include <asm/bitext.h> #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> #include <asm/io.h> -#include <asm/kdebug.h> #include <asm/vaddrs.h> #include <asm/traps.h> #include <asm/smp.h> diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c index ae221f0d4a6..a44fe47a3c2 100644 --- a/arch/sparc64/kernel/kprobes.c +++ b/arch/sparc64/kernel/kprobes.c @@ -6,7 +6,7 @@ #include <linux/kernel.h> #include <linux/kprobes.h> #include <linux/module.h> -#include <asm/kdebug.h> +#include <linux/kdebug.h> #include <asm/signal.h> #include <asm/cacheflush.h> #include <asm/uaccess.h> diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index af2c7ff01ee..966861b212b 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -14,7 +14,6 @@ #include <linux/sched.h> #include <linux/capability.h> #include <linux/errno.h> -#include <linux/smp_lock.h> #include <linux/msi.h> #include <linux/irq.h> #include <linux/init.h> diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c index a114151f9fb..8e3c6e43511 100644 --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -19,7 +19,6 @@ #include <linux/kallsyms.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/ptrace.h> #include <linux/slab.h> diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c index 96d56a8410a..203e8730100 100644 --- a/arch/sparc64/kernel/signal.c +++ b/arch/sparc64/kernel/signal.c @@ -20,7 +20,6 @@ #include <linux/unistd.h> #include <linux/mm.h> #include <linux/tty.h> -#include <linux/smp_lock.h> #include <linux/binfmts.h> #include <linux/bitops.h> diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c index c45f21b881d..8c1c121330f 100644 --- a/arch/sparc64/kernel/signal32.c +++ b/arch/sparc64/kernel/signal32.c @@ -17,7 +17,6 @@ #include <linux/unistd.h> #include <linux/mm.h> #include <linux/tty.h> -#include <linux/smp_lock.h> #include <linux/binfmts.h> #include <linux/compat.h> #include <linux/bitops.h> diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 1fac215252e..8087d67a0cf 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -10,7 +10,6 @@ #include <linux/pagemap.h> #include <linux/threads.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> #include <linux/delay.h> diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c index c4d15f2762b..47f92a59be1 100644 --- a/arch/sparc64/kernel/stacktrace.c +++ b/arch/sparc64/kernel/stacktrace.c @@ -3,22 +3,16 @@ #include <linux/thread_info.h> #include <asm/ptrace.h> -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { unsigned long ksp, fp, thread_base; - struct thread_info *tp; + struct thread_info *tp = task_thread_info(current); - if (!task) - task = current; - tp = task_thread_info(task); - if (task == current) { - flushw_all(); - __asm__ __volatile__( - "mov %%fp, %0" - : "=r" (ksp) - ); - } else - ksp = tp->ksp; + flushw_all(); + __asm__ __volatile__( + "mov %%fp, %0" + : "=r" (ksp) + ); fp = ksp + STACK_BIAS; thread_base = (unsigned long) tp; diff --git a/arch/sparc64/kernel/sunos_ioctl32.c b/arch/sparc64/kernel/sunos_ioctl32.c index a05e43d5175..75d2bad4983 100644 --- a/arch/sparc64/kernel/sunos_ioctl32.c +++ b/arch/sparc64/kernel/sunos_ioctl32.c @@ -22,7 +22,6 @@ #include <linux/file.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/compat.h> diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c index a53d4abb4b4..d108eeb0734 100644 --- a/arch/sparc64/kernel/sys_sparc.c +++ b/arch/sparc64/kernel/sys_sparc.c @@ -19,7 +19,6 @@ #include <linux/mman.h> #include <linux/utsname.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/syscalls.h> #include <linux/ipc.h> diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c index 7876a022628..692e46a6b8d 100644 --- a/arch/sparc64/kernel/sys_sparc32.c +++ b/arch/sparc64/kernel/sys_sparc32.c @@ -775,15 +775,25 @@ asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv, asmlinkage long sys32_utimes(char __user *filename, struct compat_timeval __user *tvs) { - struct timeval ktvs[2]; + struct timespec tv[2]; if (tvs) { + struct timeval ktvs[2]; if (get_tv32(&ktvs[0], tvs) || get_tv32(&ktvs[1], 1+tvs)) return -EFAULT; + + if (ktvs[0].tv_usec < 0 || ktvs[0].tv_usec >= 1000000 || + ktvs[1].tv_usec < 0 || ktvs[1].tv_usec >= 1000000) + return -EINVAL; + + tv[0].tv_sec = ktvs[0].tv_sec; + tv[0].tv_nsec = 1000 * ktvs[0].tv_usec; + tv[1].tv_sec = ktvs[1].tv_sec; + tv[1].tv_nsec = 1000 * ktvs[1].tv_usec; } - return do_utimes(AT_FDCWD, filename, (tvs ? &ktvs[0] : NULL)); + return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL); } /* These are here just in case some old sparc32 binary calls it. */ diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index ad67784292d..dc652f21029 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -15,9 +15,9 @@ #include <linux/kallsyms.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/init.h> +#include <linux/kdebug.h> #include <asm/delay.h> #include <asm/system.h> @@ -36,26 +36,12 @@ #include <asm/psrcompat.h> #include <asm/processor.h> #include <asm/timer.h> -#include <asm/kdebug.h> #include <asm/head.h> #ifdef CONFIG_KMOD #include <linux/kmod.h> #endif #include <asm/prom.h> -ATOMIC_NOTIFIER_HEAD(sparc64die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(&sparc64die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&sparc64die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); /* When an irrecoverable trap occurs at tl > 0, the trap entry * code logs the trap state registers at every level in the trap diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c index bc18d480dd1..953be816fa2 100644 --- a/arch/sparc64/kernel/unaligned.c +++ b/arch/sparc64/kernel/unaligned.c @@ -18,7 +18,6 @@ #include <asm/system.h> #include <asm/uaccess.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/bitops.h> #include <linux/kallsyms.h> #include <asm/fpumacro.h> diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c index 55ae802dc0a..c32e309f778 100644 --- a/arch/sparc64/mm/fault.c +++ b/arch/sparc64/mm/fault.c @@ -15,11 +15,11 @@ #include <linux/signal.h> #include <linux/mm.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/kprobes.h> #include <linux/kallsyms.h> +#include <linux/kdebug.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -29,7 +29,6 @@ #include <asm/asi.h> #include <asm/lsu.h> #include <asm/sections.h> -#include <asm/kdebug.h> #include <asm/mmu_context.h> #ifdef CONFIG_KPROBES diff --git a/arch/sparc64/mm/hugetlbpage.c b/arch/sparc64/mm/hugetlbpage.c index e224a94e6a1..eaba9b70b18 100644 --- a/arch/sparc64/mm/hugetlbpage.c +++ b/arch/sparc64/mm/hugetlbpage.c @@ -10,7 +10,6 @@ #include <linux/mm.h> #include <linux/hugetlb.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/sysctl.h> diff --git a/arch/sparc64/solaris/ipc.c b/arch/sparc64/solaris/ipc.c index 8cef5fd57b2..a531a2cdb38 100644 --- a/arch/sparc64/solaris/ipc.c +++ b/arch/sparc64/solaris/ipc.c @@ -6,7 +6,6 @@ #include <linux/kernel.h> #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/mm.h> #include <linux/shm.h> diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c index 542c808ec2c..3b67de7455f 100644 --- a/arch/sparc64/solaris/misc.c +++ b/arch/sparc64/solaris/misc.c @@ -6,7 +6,6 @@ #include <linux/module.h> #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/utsname.h> #include <linux/limits.h> #include <linux/mm.h> diff --git a/arch/sparc64/solaris/signal.c b/arch/sparc64/solaris/signal.c index 7fa2634e208..de10c9716cf 100644 --- a/arch/sparc64/solaris/signal.c +++ b/arch/sparc64/solaris/signal.c @@ -5,7 +5,6 @@ */ #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <asm/uaccess.h> diff --git a/arch/sparc64/solaris/socket.c b/arch/sparc64/solaris/socket.c index d3a66ea74a7..cc69847cf24 100644 --- a/arch/sparc64/solaris/socket.c +++ b/arch/sparc64/solaris/socket.c @@ -8,7 +8,6 @@ */ #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/slab.h> #include <linux/socket.h> diff --git a/arch/sparc64/solaris/socksys.c b/arch/sparc64/solaris/socksys.c index c2864447de8..e94f6e5d945 100644 --- a/arch/sparc64/solaris/socksys.c +++ b/arch/sparc64/solaris/socksys.c @@ -17,7 +17,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/ioctl.h> #include <linux/fs.h> #include <linux/file.h> diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index baac4ad5e68..72773dd5442 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -316,12 +316,14 @@ static void setup_etheraddr(char *str, unsigned char *addr, char *name) } if (!is_local_ether_addr(addr)) { printk(KERN_WARNING - "Warning: attempt to assign a globally valid ethernet address to a " - "device\n"); - printk(KERN_WARNING "You should better enable the 2nd rightmost bit " - "in the first byte of the MAC, i.e. " - "%02x:%02x:%02x:%02x:%02x:%02x\n", - addr[0] | 0x02, addr[1], addr[2], addr[3], addr[4], addr[5]); + "Warning: attempt to assign a globally valid ethernet " + "address to a device\n"); + printk(KERN_WARNING "You should better enable the 2nd " + "rightmost bit in the first byte of the MAC,\n"); + printk(KERN_WARNING "i.e. %02x:%02x:%02x:%02x:%02x:%02x\n", + addr[0] | 0x02, addr[1], addr[2], addr[3], addr[4], + addr[5]); + goto random; } return; @@ -478,6 +480,7 @@ out_undo_user_init: (*transport->user->remove)(&lp->user); out_unregister: platform_device_unregister(&device->pdev); + return; /* platform_device_unregister frees dev and device */ out_free_netdev: free_netdev(dev); out_free_device: diff --git a/arch/um/drivers/pcap_kern.c b/arch/um/drivers/pcap_kern.c index 948849343ca..c329931673d 100644 --- a/arch/um/drivers/pcap_kern.c +++ b/arch/um/drivers/pcap_kern.c @@ -29,21 +29,25 @@ void pcap_init(struct net_device *dev, void *data) ppri->promisc = init->promisc; ppri->optimize = init->optimize; ppri->filter = init->filter; + + printk("pcap backend, host interface %s\n", ppri->host_if); } -static int pcap_read(int fd, struct sk_buff **skb, +static int pcap_read(int fd, struct sk_buff **skb, struct uml_net_private *lp) { *skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER); - if(*skb == NULL) return(-ENOMEM); - return(pcap_user_read(fd, skb_mac_header(*skb), + if(*skb == NULL) + return -ENOMEM; + + return pcap_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu + ETH_HEADER_OTHER, - (struct pcap_data *) &lp->user)); + (struct pcap_data *) &lp->user); } static int pcap_write(int fd, struct sk_buff **skb, struct uml_net_private *lp) { - return(-EPERM); + return -EPERM; } static const struct net_kern_info pcap_kern_info = { @@ -65,12 +69,12 @@ int pcap_setup(char *str, char **mac_out, void *data) .optimize = 0, .filter = NULL }); - remain = split_if_spec(str, &host_if, &init->filter, - &options[0], &options[1], NULL); + remain = split_if_spec(str, &host_if, &init->filter, + &options[0], &options[1], mac_out, NULL); if(remain != NULL){ printk(KERN_ERR "pcap_setup - Extra garbage on " "specification : '%s'\n", remain); - return(0); + return 0; } if(host_if != NULL) @@ -87,10 +91,13 @@ int pcap_setup(char *str, char **mac_out, void *data) init->optimize = 1; else if(!strcmp(options[i], "nooptimize")) init->optimize = 0; - else printk("pcap_setup : bad option - '%s'\n", options[i]); + else { + printk("pcap_setup : bad option - '%s'\n", options[i]); + return 0; + } } - return(1); + return 1; } static struct transport pcap_transport = { diff --git a/arch/um/drivers/pcap_user.c b/arch/um/drivers/pcap_user.c index dc0a903ef9a..483aa15222a 100644 --- a/arch/um/drivers/pcap_user.c +++ b/arch/um/drivers/pcap_user.c @@ -13,6 +13,7 @@ #include "pcap_user.h" #include "user.h" #include "um_malloc.h" +#include "kern_constants.h" #define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER) @@ -26,8 +27,8 @@ static int pcap_user_init(void *data, void *dev) p = pcap_open_live(pri->host_if, MAX_PACKET, pri->promisc, 0, errors); if(p == NULL){ - printk("pcap_user_init : pcap_open_live failed - '%s'\n", - errors); + printk(UM_KERN_ERR "pcap_user_init : pcap_open_live failed - " + "'%s'\n", errors); return -EINVAL; } @@ -48,13 +49,13 @@ static int pcap_open(void *data) if(pri->filter != NULL){ err = dev_netmask(pri->dev, &netmask); if(err < 0){ - printk("pcap_open : dev_netmask failed\n"); + printk(UM_KERN_ERR "pcap_open : dev_netmask failed\n"); return -EIO; } pri->compiled = um_kmalloc(sizeof(struct bpf_program)); if(pri->compiled == NULL){ - printk("pcap_open : kmalloc failed\n"); + printk(UM_KERN_ERR "pcap_open : kmalloc failed\n"); return -ENOMEM; } @@ -62,15 +63,15 @@ static int pcap_open(void *data) (struct bpf_program *) pri->compiled, pri->filter, pri->optimize, netmask); if(err < 0){ - printk("pcap_open : pcap_compile failed - '%s'\n", - pcap_geterr(pri->pcap)); + printk(UM_KERN_ERR "pcap_open : pcap_compile failed - " + "'%s'\n", pcap_geterr(pri->pcap)); return -EIO; } err = pcap_setfilter(pri->pcap, pri->compiled); if(err < 0){ - printk("pcap_open : pcap_setfilter failed - '%s'\n", - pcap_geterr(pri->pcap)); + printk(UM_KERN_ERR "pcap_open : pcap_setfilter " + "failed - '%s'\n", pcap_geterr(pri->pcap)); return -EIO; } } @@ -85,7 +86,8 @@ static void pcap_remove(void *data) if(pri->compiled != NULL) pcap_freecode(pri->compiled); - pcap_close(pri->pcap); + if(pri->pcap != NULL) + pcap_close(pri->pcap); } struct pcap_handler_data { @@ -114,7 +116,8 @@ int pcap_user_read(int fd, void *buffer, int len, struct pcap_data *pri) n = pcap_dispatch(pri->pcap, 1, handler, (u_char *) &hdata); if(n < 0){ - printk("pcap_dispatch failed - %s\n", pcap_geterr(pri->pcap)); + printk(UM_KERN_ERR "pcap_dispatch failed - %s\n", + pcap_geterr(pri->pcap)); return -EIO; } else if(n == 0) diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index cd7349de8ca..259c49da7ff 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -177,6 +177,8 @@ int do_settimeofday(struct timespec *tv) void timer_handler(int sig, union uml_pt_regs *regs) { + if(current_thread->cpu == 0) + timer_irq(regs); local_irq_disable(); irq_enter(); update_process_times(CHOOSE_MODE( @@ -184,6 +186,4 @@ void timer_handler(int sig, union uml_pt_regs *regs) (regs)->skas.is_user)); irq_exit(); local_irq_enable(); - if(current_thread->cpu == 0) - timer_irq(regs); } diff --git a/arch/v850/kernel/process.c b/arch/v850/kernel/process.c index c4f844c86e5..e4a4b8e7d5a 100644 --- a/arch/v850/kernel/process.c +++ b/arch/v850/kernel/process.c @@ -16,7 +16,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/v850/kernel/ptrace.c b/arch/v850/kernel/ptrace.c index 67e05750966..a9b09343097 100644 --- a/arch/v850/kernel/ptrace.c +++ b/arch/v850/kernel/ptrace.c @@ -21,7 +21,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/signal.h> diff --git a/arch/v850/kernel/signal.c b/arch/v850/kernel/signal.c index 17c2d4359b0..bf166e7e762 100644 --- a/arch/v850/kernel/signal.c +++ b/arch/v850/kernel/signal.c @@ -17,7 +17,6 @@ #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/v850/kernel/syscalls.c b/arch/v850/kernel/syscalls.c index d2b1fb19d24..f9f00ccf532 100644 --- a/arch/v850/kernel/syscalls.c +++ b/arch/v850/kernel/syscalls.c @@ -18,7 +18,6 @@ #include <linux/errno.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/sem.h> #include <linux/msg.h> diff --git a/arch/x86_64/ia32/ia32_signal.c b/arch/x86_64/ia32/ia32_signal.c index 359eacc3850..6ea19c25f90 100644 --- a/arch/x86_64/ia32/ia32_signal.c +++ b/arch/x86_64/ia32/ia32_signal.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S index c48087db6f7..f2106837827 100644 --- a/arch/x86_64/ia32/ia32entry.S +++ b/arch/x86_64/ia32/ia32entry.S @@ -710,9 +710,10 @@ ia32_sys_call_table: .quad compat_sys_get_robust_list .quad sys_splice .quad sys_sync_file_range - .quad sys_tee + .quad sys_tee /* 315 */ .quad compat_sys_vmsplice .quad compat_sys_move_pages .quad sys_getcpu .quad sys_epoll_pwait + .quad compat_sys_utimensat /* 320 */ ia32_syscall_end: diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile index 4d94c51803d..de1de8a2fd8 100644 --- a/arch/x86_64/kernel/Makefile +++ b/arch/x86_64/kernel/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_IOMMU) += pci-gart.o aperture.o obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary.o tce.o obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o +obj-$(CONFIG_SERIAL_8250) += legacy_serial.o obj-$(CONFIG_KPROBES) += kprobes.o obj-$(CONFIG_X86_PM_TIMER) += pmtimer.o obj-$(CONFIG_X86_VSMP) += vsmp.o @@ -49,6 +50,7 @@ CFLAGS_vsyscall.o := $(PROFILING) -g0 therm_throt-y += ../../i386/kernel/cpu/mcheck/therm_throt.o bootflag-y += ../../i386/kernel/bootflag.o +legacy_serial-y += ../../i386/kernel/legacy_serial.o cpuid-$(subst m,y,$(CONFIG_X86_CPUID)) += ../../i386/kernel/cpuid.o topology-y += ../../i386/kernel/topology.o microcode-$(subst m,y,$(CONFIG_MICROCODE)) += ../../i386/kernel/microcode.o diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c index d198f7d82e5..1b0e07bb872 100644 --- a/arch/x86_64/kernel/apic.c +++ b/arch/x86_64/kernel/apic.c @@ -19,7 +19,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/bootmem.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/mc146818rtc.h> #include <linux/kernel_stat.h> diff --git a/arch/x86_64/kernel/crash.c b/arch/x86_64/kernel/crash.c index 95a7a2c1313..13432a1ae90 100644 --- a/arch/x86_64/kernel/crash.c +++ b/arch/x86_64/kernel/crash.c @@ -17,13 +17,13 @@ #include <linux/delay.h> #include <linux/elf.h> #include <linux/elfcore.h> +#include <linux/kdebug.h> #include <asm/processor.h> #include <asm/hardirq.h> #include <asm/nmi.h> #include <asm/hw_irq.h> #include <asm/mach_apic.h> -#include <asm/kdebug.h> /* This keeps a track of which one is crashing cpu. */ static int crashing_cpu; diff --git a/arch/x86_64/kernel/early_printk.c b/arch/x86_64/kernel/early_printk.c index 92213d2b7c1..56eaa259782 100644 --- a/arch/x86_64/kernel/early_printk.c +++ b/arch/x86_64/kernel/early_printk.c @@ -243,22 +243,12 @@ static int __init setup_early_printk(char *buf) early_console = &simnow_console; keep_early = 1; } + + if (keep_early) + early_console->flags &= ~CON_BOOT; + else + early_console->flags |= CON_BOOT; register_console(early_console); return 0; } - early_param("earlyprintk", setup_early_printk); - -void __init disable_early_printk(void) -{ - if (!early_console_initialized || !early_console) - return; - if (!keep_early) { - printk("disabling early console\n"); - unregister_console(early_console); - early_console_initialized = 0; - } else { - printk("keeping early console\n"); - } -} - diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c index 48942668277..4b326655b20 100644 --- a/arch/x86_64/kernel/i8259.c +++ b/arch/x86_64/kernel/i8259.c @@ -7,7 +7,6 @@ #include <linux/timex.h> #include <linux/slab.h> #include <linux/random.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/kernel_stat.h> #include <linux/sysdev.h> diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 2a2df14dab7..4d582589fa8 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -25,7 +25,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/pci.h> #include <linux/mc146818rtc.h> #include <linux/acpi.h> diff --git a/arch/x86_64/kernel/ioport.c b/arch/x86_64/kernel/ioport.c index 387d347b0e0..653efa30b0f 100644 --- a/arch/x86_64/kernel/ioport.c +++ b/arch/x86_64/kernel/ioport.c @@ -12,7 +12,6 @@ #include <linux/types.h> #include <linux/ioport.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/slab.h> #include <linux/thread_info.h> diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c index 209c8c0bec7..d4a0d0ac993 100644 --- a/arch/x86_64/kernel/kprobes.c +++ b/arch/x86_64/kernel/kprobes.c @@ -37,10 +37,10 @@ #include <linux/slab.h> #include <linux/preempt.h> #include <linux/module.h> +#include <linux/kdebug.h> #include <asm/cacheflush.h> #include <asm/pgtable.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> void jprobe_return_end(void); @@ -266,23 +266,14 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) } /* Called with kretprobe_lock held */ -void __kprobes arch_prepare_kretprobe(struct kretprobe *rp, +void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { unsigned long *sara = (unsigned long *)regs->rsp; - struct kretprobe_instance *ri; - if ((ri = get_free_rp_inst(rp)) != NULL) { - ri->rp = rp; - ri->task = current; - ri->ret_addr = (kprobe_opcode_t *) *sara; - - /* Replace the return addr with trampoline addr */ - *sara = (unsigned long) &kretprobe_trampoline; - add_rp_inst(ri); - } else { - rp->nmissed++; - } + ri->ret_addr = (kprobe_opcode_t *) *sara; + /* Replace the return addr with trampoline addr */ + *sara = (unsigned long) &kretprobe_trampoline; } int __kprobes kprobe_handler(struct pt_regs *regs) @@ -447,7 +438,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) break; } - BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address)); + kretprobe_assert(ri, orig_ret_address, trampoline_address); regs->rip = orig_ret_address; reset_current_kprobe(); @@ -752,3 +743,11 @@ int __init arch_init_kprobes(void) { return register_kprobe(&trampoline_p); } + +int __kprobes arch_trampoline_kprobe(struct kprobe *p) +{ + if (p->addr == (kprobe_opcode_t *)&kretprobe_trampoline) + return 1; + + return 0; +} diff --git a/arch/x86_64/kernel/ldt.c b/arch/x86_64/kernel/ldt.c index d7e5d0cf428..bc9ffd5c19c 100644 --- a/arch/x86_64/kernel/ldt.c +++ b/arch/x86_64/kernel/ldt.c @@ -13,7 +13,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/slab.h> diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index fa267268247..442169640e4 100644 --- a/arch/x86_64/kernel/mce.c +++ b/arch/x86_64/kernel/mce.c @@ -20,10 +20,10 @@ #include <linux/percpu.h> #include <linux/ctype.h> #include <linux/kmod.h> +#include <linux/kdebug.h> #include <asm/processor.h> #include <asm/msr.h> #include <asm/mce.h> -#include <asm/kdebug.h> #include <asm/uaccess.h> #include <asm/smp.h> diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c index d0dc4891599..61ae57eb9e4 100644 --- a/arch/x86_64/kernel/mpparse.c +++ b/arch/x86_64/kernel/mpparse.c @@ -17,7 +17,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/bootmem.h> -#include <linux/smp_lock.h> #include <linux/kernel_stat.h> #include <linux/mc146818rtc.h> #include <linux/acpi.h> diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index 6cd2b30e2ff..931c64bad5e 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -21,11 +21,11 @@ #include <linux/sysctl.h> #include <linux/kprobes.h> #include <linux/cpumask.h> +#include <linux/kdebug.h> #include <asm/smp.h> #include <asm/nmi.h> #include <asm/proto.h> -#include <asm/kdebug.h> #include <asm/mce.h> int unknown_nmi_panic; diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index 0a762e10f2b..373ef66ca1d 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -22,13 +22,13 @@ #include <linux/topology.h> #include <linux/interrupt.h> #include <linux/bitops.h> +#include <linux/kdebug.h> #include <asm/atomic.h> #include <asm/io.h> #include <asm/mtrr.h> #include <asm/pgtable.h> #include <asm/proto.h> #include <asm/cacheflush.h> -#include <asm/kdebug.h> #include <asm/swiotlb.h> #include <asm/dma.h> #include <asm/k8.h> diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c index 4f21765078b..5909039f37a 100644 --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -36,6 +36,7 @@ #include <linux/random.h> #include <linux/notifier.h> #include <linux/kprobes.h> +#include <linux/kdebug.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -46,7 +47,6 @@ #include <asm/mmu_context.h> #include <asm/pda.h> #include <asm/prctl.h> -#include <asm/kdebug.h> #include <asm/desc.h> #include <asm/proto.h> #include <asm/ia32.h> diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c index 4326a690a50..9409117b9f1 100644 --- a/arch/x86_64/kernel/ptrace.c +++ b/arch/x86_64/kernel/ptrace.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> diff --git a/arch/x86_64/kernel/reboot.c b/arch/x86_64/kernel/reboot.c index 2d676984745..c116b54d422 100644 --- a/arch/x86_64/kernel/reboot.c +++ b/arch/x86_64/kernel/reboot.c @@ -7,8 +7,8 @@ #include <linux/ctype.h> #include <linux/string.h> #include <linux/pm.h> +#include <linux/kdebug.h> #include <asm/io.h> -#include <asm/kdebug.h> #include <asm/delay.h> #include <asm/hw_irq.h> #include <asm/system.h> diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c index c819625f331..290f5d8037c 100644 --- a/arch/x86_64/kernel/signal.c +++ b/arch/x86_64/kernel/signal.c @@ -12,7 +12,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c index bd1d123947c..2ff46859162 100644 --- a/arch/x86_64/kernel/smp.c +++ b/arch/x86_64/kernel/smp.c @@ -14,7 +14,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/smp.h> #include <linux/kernel_stat.h> #include <linux/mc146818rtc.h> diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 4d9dacfae57..32f50783edc 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -42,18 +42,17 @@ #include <linux/mm.h> #include <linux/kernel_stat.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/thread_info.h> #include <linux/module.h> #include <linux/delay.h> #include <linux/mc146818rtc.h> #include <linux/smp.h> +#include <linux/kdebug.h> #include <asm/mtrr.h> #include <asm/pgalloc.h> #include <asm/desc.h> -#include <asm/kdebug.h> #include <asm/tlbflush.h> #include <asm/proto.h> #include <asm/nmi.h> diff --git a/arch/x86_64/kernel/stacktrace.c b/arch/x86_64/kernel/stacktrace.c index 65ac2c6b34a..cb910911358 100644 --- a/arch/x86_64/kernel/stacktrace.c +++ b/arch/x86_64/kernel/stacktrace.c @@ -21,8 +21,7 @@ save_stack_warning_symbol(void *data, char *msg, unsigned long symbol) static int save_stack_stack(void *data, char *name) { - struct stack_trace *trace = (struct stack_trace *)data; - return trace->all_contexts ? 0 : -1; + return -1; } static void save_stack_address(void *data, unsigned long addr) @@ -46,11 +45,10 @@ static struct stacktrace_ops save_stack_ops = { /* * Save stack-backtrace addresses into a stack_trace buffer. */ -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { - dump_trace(task, NULL, NULL, &save_stack_ops, trace); + dump_trace(current, NULL, NULL, &save_stack_ops, trace); if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } EXPORT_SYMBOL(save_stack_trace); - diff --git a/arch/x86_64/kernel/sys_x86_64.c b/arch/x86_64/kernel/sys_x86_64.c index f891931eb75..d067d9a2ad2 100644 --- a/arch/x86_64/kernel/sys_x86_64.c +++ b/arch/x86_64/kernel/sys_x86_64.c @@ -7,7 +7,6 @@ #include <linux/syscalls.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 0652e173813..4a0895bacf5 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -363,7 +363,10 @@ void stop_timer_interrupt(void) } static struct irqaction irq0 = { - timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL + .handler = timer_interrupt, + .flags = IRQF_DISABLED | IRQF_IRQPOLL, + .mask = CPU_MASK_NONE, + .name = "timer" }; void __init time_init(void) diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index d76fc32d459..8c2ac41187c 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -32,6 +32,7 @@ #include <linux/unwind.h> #include <linux/uaccess.h> #include <linux/bug.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/io.h> @@ -39,7 +40,6 @@ #include <asm/debugreg.h> #include <asm/desc.h> #include <asm/i387.h> -#include <asm/kdebug.h> #include <asm/processor.h> #include <asm/unwind.h> #include <asm/smp.h> @@ -71,22 +71,6 @@ asmlinkage void alignment_check(void); asmlinkage void machine_check(void); asmlinkage void spurious_interrupt_bug(void); -ATOMIC_NOTIFIER_HEAD(die_chain); -EXPORT_SYMBOL(die_chain); - -int register_die_notifier(struct notifier_block *nb) -{ - vmalloc_sync_all(); - return atomic_notifier_chain_register(&die_chain, nb); -} -EXPORT_SYMBOL(register_die_notifier); /* used modular by kdb */ - -int unregister_die_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(&die_chain, nb); -} -EXPORT_SYMBOL(unregister_die_notifier); /* used modular by kdb */ - static inline void conditional_sti(struct pt_regs *regs) { if (regs->eflags & X86_EFLAGS_IF) @@ -792,6 +776,8 @@ asmlinkage __kprobes void default_do_nmi(struct pt_regs *regs) */ if (nmi_watchdog_tick(regs,reason)) return; + if (notify_die(DIE_NMI_POST, "nmi_post", regs, reason, 2, 0) + == NOTIFY_STOP) if (!do_nmi_callback(regs,cpu)) unknown_nmi_error(reason, regs); diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c index de99dba2c51..bfb62a13d7e 100644 --- a/arch/x86_64/mm/fault.c +++ b/arch/x86_64/mm/fault.c @@ -15,22 +15,22 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/tty.h> #include <linux/vt_kern.h> /* For unblank_screen() */ #include <linux/compiler.h> +#include <linux/vmalloc.h> #include <linux/module.h> #include <linux/kprobes.h> #include <linux/uaccess.h> +#include <linux/kdebug.h> #include <asm/system.h> #include <asm/pgalloc.h> #include <asm/smp.h> #include <asm/tlbflush.h> #include <asm/proto.h> -#include <asm/kdebug.h> #include <asm-generic/sections.h> /* Page fault error code bits */ diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index c0822683b91..1336da8bdee 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c @@ -172,7 +172,7 @@ __set_fixmap (enum fixed_addresses idx, unsigned long phys, pgprot_t prot) set_pte_phys(address, phys, prot); } -unsigned long __initdata table_start, table_end; +unsigned long __meminitdata table_start, table_end; static __meminit void *alloc_low_page(unsigned long *phys) { @@ -204,7 +204,7 @@ static __meminit void unmap_low_page(void *adr) } /* Must run before zap_low_mappings */ -__init void *early_ioremap(unsigned long addr, unsigned long size) +__meminit void *early_ioremap(unsigned long addr, unsigned long size) { unsigned long vaddr; pmd_t *pmd, *last_pmd; @@ -233,7 +233,7 @@ __init void *early_ioremap(unsigned long addr, unsigned long size) } /* To avoid virtual aliases later */ -__init void early_iounmap(void *addr, unsigned long size) +__meminit void early_iounmap(void *addr, unsigned long size) { unsigned long vaddr; pmd_t *pmd; diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 795bd5ac6f4..ce758bab95b 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -20,7 +20,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index 8b6d3d0623b..14104ff6309 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -19,7 +19,6 @@ #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/security.h> #include <linux/signal.h> diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index c6d9880a4cd..58107672a61 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -17,7 +17,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/signal.h> #include <linux/errno.h> diff --git a/block/as-iosched.c b/block/as-iosched.c index ef126277b4b..640aa839d63 100644 --- a/block/as-iosched.c +++ b/block/as-iosched.c @@ -569,7 +569,7 @@ static void as_update_iohist(struct as_data *ad, struct as_io_context *aic, static int as_close_req(struct as_data *ad, struct as_io_context *aic, struct request *rq) { - unsigned long delay; /* milliseconds */ + unsigned long delay; /* jiffies */ sector_t last = ad->last_sector[ad->batch_data_dir]; sector_t next = rq->sector; sector_t delta; /* acceptable close offset (in sectors) */ @@ -578,11 +578,11 @@ static int as_close_req(struct as_data *ad, struct as_io_context *aic, if (ad->antic_status == ANTIC_OFF || !ad->ioc_finished) delay = 0; else - delay = ((jiffies - ad->antic_start) * 1000) / HZ; + delay = jiffies - ad->antic_start; if (delay == 0) delta = 8192; - else if (delay <= 20 && delay <= ad->antic_expire) + else if (delay <= (20 * HZ / 1000) && delay <= ad->antic_expire) delta = 8192 << delay; else return 1; diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 5873861e1db..d99d402953a 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -2558,6 +2558,7 @@ int blk_rq_map_kern(request_queue_t *q, struct request *rq, void *kbuf, bio->bi_rw |= (1 << BIO_RW); blk_rq_bio_prep(q, rq, bio); + blk_queue_bounce(q, &rq->bio); rq->buffer = rq->data = NULL; return 0; } diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 4334c208841..41427a41f62 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -245,6 +245,35 @@ arch_initcall(init_acpi_device_notify); #if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) +#ifdef CONFIG_PM +static u32 rtc_handler(void *context) +{ + acpi_clear_event(ACPI_EVENT_RTC); + acpi_disable_event(ACPI_EVENT_RTC, 0); + return ACPI_INTERRUPT_HANDLED; +} + +static inline void rtc_wake_setup(void) +{ + acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); +} + +static void rtc_wake_on(struct device *dev) +{ + acpi_clear_event(ACPI_EVENT_RTC); + acpi_enable_event(ACPI_EVENT_RTC, 0); +} + +static void rtc_wake_off(struct device *dev) +{ + acpi_disable_event(ACPI_EVENT_RTC, 0); +} +#else +#define rtc_wake_setup() do{}while(0) +#define rtc_wake_on NULL +#define rtc_wake_off NULL +#endif + /* Every ACPI platform has a mc146818 compatible "cmos rtc". Here we find * its device node and pass extra config data. This helps its driver use * capabilities that the now-obsolete mc146818 didn't have, and informs it @@ -283,11 +312,24 @@ static int __init acpi_rtc_init(void) struct device *dev = get_rtc_dev(); if (dev) { + rtc_wake_setup(); + rtc_info.wake_on = rtc_wake_on; + rtc_info.wake_off = rtc_wake_off; + + /* workaround bug in some ACPI tables */ + if (acpi_gbl_FADT.month_alarm && !acpi_gbl_FADT.day_alarm) { + DBG("bogus FADT month_alarm\n"); + acpi_gbl_FADT.month_alarm = 0; + } + rtc_info.rtc_day_alarm = acpi_gbl_FADT.day_alarm; rtc_info.rtc_mon_alarm = acpi_gbl_FADT.month_alarm; rtc_info.rtc_century = acpi_gbl_FADT.century; - /* NOTE: acpi_gbl_FADT->rtcs4 is NOT currently useful */ + /* NOTE: S4_RTC_WAKE is NOT currently useful to Linux */ + if (acpi_gbl_FADT.flags & ACPI_FADT_S4_RTC_WAKE) + printk(PREFIX "RTC can wake from S4\n"); + dev->platform_data = &rtc_info; @@ -296,7 +338,7 @@ static int __init acpi_rtc_init(void) put_device(dev); } else - pr_debug("ACPI: RTC unavailable?\n"); + DBG("RTC unavailable?\n"); return 0; } /* do this between RTC subsys_initcall() and rtc_cmos driver_initcall() */ diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 8fcd6a15517..4dd0dabe81c 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -228,7 +228,7 @@ int __init acpi_numa_init(void) return 0; } -int acpi_get_pxm(acpi_handle h) +int __meminit acpi_get_pxm(acpi_handle h) { unsigned long pxm; acpi_status status; @@ -246,7 +246,7 @@ int acpi_get_pxm(acpi_handle h) } EXPORT_SYMBOL(acpi_get_pxm); -int acpi_get_node(acpi_handle *handle) +int __meminit acpi_get_node(acpi_handle *handle) { int pxm, node = -1; diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 971eca4864f..c2bed56915e 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -30,7 +30,6 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/pci.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/kmod.h> #include <linux/delay.h> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index d80dd84e5bf..6b3b8a52247 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -302,7 +302,7 @@ static void acpi_device_shutdown(struct device *dev) return ; } -static struct bus_type acpi_bus_type = { +struct bus_type acpi_bus_type = { .name = "acpi", .suspend = acpi_device_suspend, .resume = acpi_device_resume, diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c index dcde9ddd105..5a76e5be61d 100644 --- a/drivers/acpi/sleep/proc.c +++ b/drivers/acpi/sleep/proc.c @@ -70,6 +70,14 @@ acpi_system_write_sleep(struct file *file, } #endif /* CONFIG_ACPI_SLEEP_PROC_SLEEP */ +#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) +/* use /sys/class/rtc/rtcX/wakealarm instead; it's not ACPI-specific */ +#else +#define HAVE_ACPI_LEGACY_ALARM +#endif + +#ifdef HAVE_ACPI_LEGACY_ALARM + static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset) { u32 sec, min, hr; @@ -341,6 +349,8 @@ acpi_system_write_alarm(struct file *file, end: return_VALUE(result ? result : count); } +#endif /* HAVE_ACPI_LEGACY_ALARM */ + extern struct list_head acpi_wakeup_device_list; extern spinlock_t acpi_device_lock; @@ -464,6 +474,7 @@ static const struct file_operations acpi_system_sleep_fops = { }; #endif /* CONFIG_ACPI_SLEEP_PROC_SLEEP */ +#ifdef HAVE_ACPI_LEGACY_ALARM static const struct file_operations acpi_system_alarm_fops = { .open = acpi_system_alarm_open_fs, .read = seq_read, @@ -479,8 +490,9 @@ static u32 rtc_handler(void *context) return ACPI_INTERRUPT_HANDLED; } +#endif /* HAVE_ACPI_LEGACY_ALARM */ -static int acpi_sleep_proc_init(void) +static int __init acpi_sleep_proc_init(void) { struct proc_dir_entry *entry = NULL; @@ -496,6 +508,7 @@ static int acpi_sleep_proc_init(void) entry->proc_fops = &acpi_system_sleep_fops; #endif +#ifdef HAVE_ACPI_LEGACY_ALARM /* 'alarm' [R/W] */ entry = create_proc_entry("alarm", S_IFREG | S_IRUGO | S_IWUSR, @@ -503,6 +516,9 @@ static int acpi_sleep_proc_init(void) if (entry) entry->proc_fops = &acpi_system_alarm_fops; + acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); +#endif /* HAVE_ACPI_LEGACY_ALARM */ + /* 'wakeup device' [R/W] */ entry = create_proc_entry("wakeup", S_IFREG | S_IRUGO | S_IWUSR, @@ -510,7 +526,6 @@ static int acpi_sleep_proc_init(void) if (entry) entry->proc_fops = &acpi_system_wakeup_device_fops; - acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); return 0; } diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index cc07aac10e8..17246734fe7 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c @@ -288,7 +288,7 @@ static int k2_sata_proc_info(struct Scsi_Host *shost, char *page, char **start, /* Match it to a port node */ index = (ap == ap->host->ports[0]) ? 0 : 1; for (np = np->child; np != NULL; np = np->sibling) { - const u32 *reg = get_property(np, "reg", NULL); + const u32 *reg = of_get_property(np, "reg", NULL); if (!reg) continue; if (index == *reg) diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 17b5ece8f82..eb84d9d4464 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -160,6 +160,11 @@ static void platform_device_release(struct device *dev) * * Create a platform device object which can have other objects attached * to it, and which will have attached objects freed when it is released. + * + * This device will be marked as not supporting hotpluggable drivers; no + * device add/remove uevents will be generated. In the unusual case that + * the device isn't being dynamically allocated as a legacy "probe the + * hardware" driver, infrastructure code should reverse this marking. */ struct platform_device *platform_device_alloc(const char *name, unsigned int id) { @@ -172,6 +177,12 @@ struct platform_device *platform_device_alloc(const char *name, unsigned int id) pa->pdev.id = id; device_initialize(&pa->pdev.dev); pa->pdev.dev.release = platform_device_release; + + /* prevent hotplug "modprobe $(MODALIAS)" from causing trouble in + * legacy probe-the-hardware drivers, which don't properly split + * out device enumeration logic from drivers. + */ + pa->pdev.dev.uevent_suppress = 1; } return pa ? &pa->pdev : NULL; @@ -351,6 +362,13 @@ EXPORT_SYMBOL_GPL(platform_device_unregister); * memory allocated for the device allows drivers using such devices * to be unloaded iwithout waiting for the last reference to the device * to be dropped. + * + * This interface is primarily intended for use with legacy drivers + * which probe hardware directly. Because such drivers create sysfs + * device nodes themselves, rather than letting system infrastructure + * handle such device enumeration tasks, they don't fully conform to + * the Linux driver model. In particular, when such drivers are built + * as modules, they can't be "hotplugged". */ struct platform_device *platform_device_register_simple(char *name, unsigned int id, struct resource *res, unsigned int num) diff --git a/drivers/block/acsi_slm.c b/drivers/block/acsi_slm.c index e2e04329096..1d9d9b4f48c 100644 --- a/drivers/block/acsi_slm.c +++ b/drivers/block/acsi_slm.c @@ -65,7 +65,6 @@ not be guaranteed. There are several ways to assure this: #include <linux/time.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <asm/pgtable.h> #include <asm/system.h> diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 65a725cd342..370dfe1c422 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -45,6 +45,10 @@ #include <linux/blkdev.h> #include <linux/genhd.h> #include <linux/completion.h> +#include <scsi/scsi.h> +#include <scsi/sg.h> +#include <scsi/scsi_ioctl.h> +#include <linux/cdrom.h> #define CCISS_DRIVER_VERSION(maj,min,submin) ((maj<<16)|(min<<8)|(submin)) #define DRIVER_NAME "HP CISS Driver (v 3.6.14)" @@ -1152,6 +1156,30 @@ static int cciss_ioctl(struct inode *inode, struct file *filep, kfree(ioc); return status; } + + /* scsi_cmd_ioctl handles these, below, though some are not */ + /* very meaningful for cciss. SG_IO is the main one people want. */ + + case SG_GET_VERSION_NUM: + case SG_SET_TIMEOUT: + case SG_GET_TIMEOUT: + case SG_GET_RESERVED_SIZE: + case SG_SET_RESERVED_SIZE: + case SG_EMULATED_HOST: + case SG_IO: + case SCSI_IOCTL_SEND_COMMAND: + return scsi_cmd_ioctl(filep, disk, cmd, argp); + + /* scsi_cmd_ioctl would normally handle these, below, but */ + /* they aren't a good fit for cciss, as CD-ROMs are */ + /* not supported, and we don't have any bus/target/lun */ + /* which we present to the kernel. */ + + case CDROM_SEND_PACKET: + case CDROMCLOSETRAY: + case CDROMEJECT: + case SCSI_IOCTL_GET_IDLUN: + case SCSI_IOCTL_GET_BUS_NUMBER: default: return -ENOTTY; } @@ -1234,7 +1262,7 @@ static void cciss_softirq_done(struct request *rq) pci_unmap_page(h->pdev, temp64.val, cmd->SG[i].Len, ddir); } - complete_buffers(rq->bio, rq->errors); + complete_buffers(rq->bio, (rq->errors == 0)); if (blk_fs_request(rq)) { const int rw = rq_data_dir(rq); @@ -1248,7 +1276,7 @@ static void cciss_softirq_done(struct request *rq) add_disk_randomness(rq->rq_disk); spin_lock_irqsave(&h->lock, flags); - end_that_request_last(rq, rq->errors); + end_that_request_last(rq, (rq->errors == 0)); cmd_free(h, cmd, 1); cciss_check_queues(h); spin_unlock_irqrestore(&h->lock, flags); @@ -2336,6 +2364,44 @@ static inline void resend_cciss_cmd(ctlr_info_t *h, CommandList_struct *c) start_io(h); } +static inline int evaluate_target_status(CommandList_struct *cmd) +{ + unsigned char sense_key; + int error_count = 1; + + if (cmd->err_info->ScsiStatus != 0x02) { /* not check condition? */ + if (!blk_pc_request(cmd->rq)) + printk(KERN_WARNING "cciss: cmd %p " + "has SCSI Status 0x%x\n", + cmd, cmd->err_info->ScsiStatus); + return error_count; + } + + /* check the sense key */ + sense_key = 0xf & cmd->err_info->SenseInfo[2]; + /* no status or recovered error */ + if ((sense_key == 0x0) || (sense_key == 0x1)) + error_count = 0; + + if (!blk_pc_request(cmd->rq)) { /* Not SG_IO or similar? */ + if (error_count != 0) + printk(KERN_WARNING "cciss: cmd %p has CHECK CONDITION" + " sense key = 0x%x\n", cmd, sense_key); + return error_count; + } + + /* SG_IO or similar, copy sense data back */ + if (cmd->rq->sense) { + if (cmd->rq->sense_len > cmd->err_info->SenseLen) + cmd->rq->sense_len = cmd->err_info->SenseLen; + memcpy(cmd->rq->sense, cmd->err_info->SenseInfo, + cmd->rq->sense_len); + } else + cmd->rq->sense_len = 0; + + return error_count; +} + /* checks the status of the job and calls complete buffers to mark all * buffers for the completed job. Note that this function does not need * to hold the hba/queue lock. @@ -2343,109 +2409,99 @@ static inline void resend_cciss_cmd(ctlr_info_t *h, CommandList_struct *c) static inline void complete_command(ctlr_info_t *h, CommandList_struct *cmd, int timeout) { - int status = 1; int retry_cmd = 0; + struct request *rq = cmd->rq; + + rq->errors = 0; if (timeout) - status = 0; + rq->errors = 1; - if (cmd->err_info->CommandStatus != 0) { /* an error has occurred */ - switch (cmd->err_info->CommandStatus) { - unsigned char sense_key; - case CMD_TARGET_STATUS: - status = 0; + if (cmd->err_info->CommandStatus == 0) /* no error has occurred */ + goto after_error_processing; - if (cmd->err_info->ScsiStatus == 0x02) { - printk(KERN_WARNING "cciss: cmd %p " - "has CHECK CONDITION " - " byte 2 = 0x%x\n", cmd, - cmd->err_info->SenseInfo[2] - ); - /* check the sense key */ - sense_key = 0xf & cmd->err_info->SenseInfo[2]; - /* no status or recovered error */ - if ((sense_key == 0x0) || (sense_key == 0x1)) { - status = 1; - } - } else { - printk(KERN_WARNING "cciss: cmd %p " - "has SCSI Status 0x%x\n", - cmd, cmd->err_info->ScsiStatus); - } - break; - case CMD_DATA_UNDERRUN: + switch (cmd->err_info->CommandStatus) { + case CMD_TARGET_STATUS: + rq->errors = evaluate_target_status(cmd); + break; + case CMD_DATA_UNDERRUN: + if (blk_fs_request(cmd->rq)) { printk(KERN_WARNING "cciss: cmd %p has" " completed with data underrun " "reported\n", cmd); - break; - case CMD_DATA_OVERRUN: + cmd->rq->data_len = cmd->err_info->ResidualCnt; + } + break; + case CMD_DATA_OVERRUN: + if (blk_fs_request(cmd->rq)) printk(KERN_WARNING "cciss: cmd %p has" " completed with data overrun " "reported\n", cmd); - break; - case CMD_INVALID: - printk(KERN_WARNING "cciss: cmd %p is " - "reported invalid\n", cmd); - status = 0; - break; - case CMD_PROTOCOL_ERR: - printk(KERN_WARNING "cciss: cmd %p has " - "protocol error \n", cmd); - status = 0; - break; - case CMD_HARDWARE_ERR: - printk(KERN_WARNING "cciss: cmd %p had " - " hardware error\n", cmd); - status = 0; - break; - case CMD_CONNECTION_LOST: - printk(KERN_WARNING "cciss: cmd %p had " - "connection lost\n", cmd); - status = 0; - break; - case CMD_ABORTED: - printk(KERN_WARNING "cciss: cmd %p was " - "aborted\n", cmd); - status = 0; - break; - case CMD_ABORT_FAILED: - printk(KERN_WARNING "cciss: cmd %p reports " - "abort failed\n", cmd); - status = 0; - break; - case CMD_UNSOLICITED_ABORT: - printk(KERN_WARNING "cciss%d: unsolicited " - "abort %p\n", h->ctlr, cmd); - if (cmd->retry_count < MAX_CMD_RETRIES) { - retry_cmd = 1; - printk(KERN_WARNING - "cciss%d: retrying %p\n", h->ctlr, cmd); - cmd->retry_count++; - } else - printk(KERN_WARNING - "cciss%d: %p retried too " - "many times\n", h->ctlr, cmd); - status = 0; - break; - case CMD_TIMEOUT: - printk(KERN_WARNING "cciss: cmd %p timedout\n", cmd); - status = 0; - break; - default: - printk(KERN_WARNING "cciss: cmd %p returned " - "unknown status %x\n", cmd, - cmd->err_info->CommandStatus); - status = 0; - } + break; + case CMD_INVALID: + printk(KERN_WARNING "cciss: cmd %p is " + "reported invalid\n", cmd); + rq->errors = 1; + break; + case CMD_PROTOCOL_ERR: + printk(KERN_WARNING "cciss: cmd %p has " + "protocol error \n", cmd); + rq->errors = 1; + break; + case CMD_HARDWARE_ERR: + printk(KERN_WARNING "cciss: cmd %p had " + " hardware error\n", cmd); + rq->errors = 1; + break; + case CMD_CONNECTION_LOST: + printk(KERN_WARNING "cciss: cmd %p had " + "connection lost\n", cmd); + rq->errors = 1; + break; + case CMD_ABORTED: + printk(KERN_WARNING "cciss: cmd %p was " + "aborted\n", cmd); + rq->errors = 1; + break; + case CMD_ABORT_FAILED: + printk(KERN_WARNING "cciss: cmd %p reports " + "abort failed\n", cmd); + rq->errors = 1; + break; + case CMD_UNSOLICITED_ABORT: + printk(KERN_WARNING "cciss%d: unsolicited " + "abort %p\n", h->ctlr, cmd); + if (cmd->retry_count < MAX_CMD_RETRIES) { + retry_cmd = 1; + printk(KERN_WARNING + "cciss%d: retrying %p\n", h->ctlr, cmd); + cmd->retry_count++; + } else + printk(KERN_WARNING + "cciss%d: %p retried too " + "many times\n", h->ctlr, cmd); + rq->errors = 1; + break; + case CMD_TIMEOUT: + printk(KERN_WARNING "cciss: cmd %p timedout\n", cmd); + rq->errors = 1; + break; + default: + printk(KERN_WARNING "cciss: cmd %p returned " + "unknown status %x\n", cmd, + cmd->err_info->CommandStatus); + rq->errors = 1; } + +after_error_processing: + /* We need to return this command */ if (retry_cmd) { resend_cciss_cmd(h, cmd); return; } - + cmd->rq->data_len = 0; cmd->rq->completion_data = cmd; - cmd->rq->errors = status; blk_add_trace_rq(cmd->rq->q, cmd->rq, BLK_TA_COMPLETE); blk_complete_request(cmd->rq); } @@ -2539,32 +2595,40 @@ static void do_cciss_request(request_queue_t *q) #endif /* CCISS_DEBUG */ c->Header.SGList = c->Header.SGTotal = seg; - if(h->cciss_read == CCISS_READ_10) { - c->Request.CDB[1] = 0; - c->Request.CDB[2] = (start_blk >> 24) & 0xff; //MSB - c->Request.CDB[3] = (start_blk >> 16) & 0xff; - c->Request.CDB[4] = (start_blk >> 8) & 0xff; - c->Request.CDB[5] = start_blk & 0xff; - c->Request.CDB[6] = 0; // (sect >> 24) & 0xff; MSB - c->Request.CDB[7] = (creq->nr_sectors >> 8) & 0xff; - c->Request.CDB[8] = creq->nr_sectors & 0xff; - c->Request.CDB[9] = c->Request.CDB[11] = c->Request.CDB[12] = 0; + if (likely(blk_fs_request(creq))) { + if(h->cciss_read == CCISS_READ_10) { + c->Request.CDB[1] = 0; + c->Request.CDB[2] = (start_blk >> 24) & 0xff; //MSB + c->Request.CDB[3] = (start_blk >> 16) & 0xff; + c->Request.CDB[4] = (start_blk >> 8) & 0xff; + c->Request.CDB[5] = start_blk & 0xff; + c->Request.CDB[6] = 0; // (sect >> 24) & 0xff; MSB + c->Request.CDB[7] = (creq->nr_sectors >> 8) & 0xff; + c->Request.CDB[8] = creq->nr_sectors & 0xff; + c->Request.CDB[9] = c->Request.CDB[11] = c->Request.CDB[12] = 0; + } else { + c->Request.CDBLen = 16; + c->Request.CDB[1]= 0; + c->Request.CDB[2]= (start_blk >> 56) & 0xff; //MSB + c->Request.CDB[3]= (start_blk >> 48) & 0xff; + c->Request.CDB[4]= (start_blk >> 40) & 0xff; + c->Request.CDB[5]= (start_blk >> 32) & 0xff; + c->Request.CDB[6]= (start_blk >> 24) & 0xff; + c->Request.CDB[7]= (start_blk >> 16) & 0xff; + c->Request.CDB[8]= (start_blk >> 8) & 0xff; + c->Request.CDB[9]= start_blk & 0xff; + c->Request.CDB[10]= (creq->nr_sectors >> 24) & 0xff; + c->Request.CDB[11]= (creq->nr_sectors >> 16) & 0xff; + c->Request.CDB[12]= (creq->nr_sectors >> 8) & 0xff; + c->Request.CDB[13]= creq->nr_sectors & 0xff; + c->Request.CDB[14] = c->Request.CDB[15] = 0; + } + } else if (blk_pc_request(creq)) { + c->Request.CDBLen = creq->cmd_len; + memcpy(c->Request.CDB, creq->cmd, BLK_MAX_CDB); } else { - c->Request.CDBLen = 16; - c->Request.CDB[1]= 0; - c->Request.CDB[2]= (start_blk >> 56) & 0xff; //MSB - c->Request.CDB[3]= (start_blk >> 48) & 0xff; - c->Request.CDB[4]= (start_blk >> 40) & 0xff; - c->Request.CDB[5]= (start_blk >> 32) & 0xff; - c->Request.CDB[6]= (start_blk >> 24) & 0xff; - c->Request.CDB[7]= (start_blk >> 16) & 0xff; - c->Request.CDB[8]= (start_blk >> 8) & 0xff; - c->Request.CDB[9]= start_blk & 0xff; - c->Request.CDB[10]= (creq->nr_sectors >> 24) & 0xff; - c->Request.CDB[11]= (creq->nr_sectors >> 16) & 0xff; - c->Request.CDB[12]= (creq->nr_sectors >> 8) & 0xff; - c->Request.CDB[13]= creq->nr_sectors & 0xff; - c->Request.CDB[14] = c->Request.CDB[15] = 0; + printk(KERN_WARNING "cciss%d: bad request type %d\n", h->ctlr, creq->cmd_type); + BUG(); } spin_lock_irq(q->queue_lock); diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index bb15051ffbe..90961a8ea89 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -35,7 +35,6 @@ #include <asm/atomic.h> -#include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> #include <scsi/scsi_host.h> diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 5231ed7e723..3587cb43437 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4334,7 +4334,10 @@ static int __init floppy_init(void) if (err) goto out_flush_work; - device_create_file(&floppy_device[drive].dev,&dev_attr_cmos); + err = device_create_file(&floppy_device[drive].dev,&dev_attr_cmos); + if (err) + goto out_unreg_platform_dev; + /* to be cleaned up... */ disks[drive]->private_data = (void *)(long)drive; disks[drive]->queue = floppy_queue; @@ -4345,6 +4348,8 @@ static int __init floppy_init(void) return 0; +out_unreg_platform_dev: + platform_device_unregister(&floppy_device[drive]); out_flush_work: flush_scheduled_work(); if (usage_count) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 0d4ccd4a095..af6d7274a7c 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -77,9 +77,8 @@ #include <asm/uaccess.h> -static int max_loop = 8; -static struct loop_device *loop_dev; -static struct gendisk **disks; +static LIST_HEAD(loop_devices); +static DEFINE_MUTEX(loop_devices_mutex); /* * Transfer functions @@ -183,7 +182,7 @@ figure_loop_size(struct loop_device *lo) if (unlikely((loff_t)x != size)) return -EFBIG; - set_capacity(disks[lo->lo_number], x); + set_capacity(lo->lo_disk, x); return 0; } @@ -812,7 +811,7 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file, lo->lo_queue->queuedata = lo; lo->lo_queue->unplug_fn = loop_unplug; - set_capacity(disks[lo->lo_number], size); + set_capacity(lo->lo_disk, size); bd_set_size(bdev, size << 9); set_blocksize(bdev, lo_blocksize); @@ -832,7 +831,7 @@ out_clr: lo->lo_device = NULL; lo->lo_backing_file = NULL; lo->lo_flags = 0; - set_capacity(disks[lo->lo_number], 0); + set_capacity(lo->lo_disk, 0); invalidate_bdev(bdev); bd_set_size(bdev, 0); mapping_set_gfp_mask(mapping, lo->old_gfp_mask); @@ -918,7 +917,7 @@ static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev) memset(lo->lo_crypt_name, 0, LO_NAME_SIZE); memset(lo->lo_file_name, 0, LO_NAME_SIZE); invalidate_bdev(bdev); - set_capacity(disks[lo->lo_number], 0); + set_capacity(lo->lo_disk, 0); bd_set_size(bdev, 0); mapping_set_gfp_mask(filp->f_mapping, gfp); lo->lo_state = Lo_unbound; @@ -1322,6 +1321,18 @@ static long lo_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a } #endif +static struct loop_device *loop_find_dev(int number) +{ + struct loop_device *lo; + + list_for_each_entry(lo, &loop_devices, lo_list) { + if (lo->lo_number == number) + return lo; + } + return NULL; +} + +static struct loop_device *loop_init_one(int i); static int lo_open(struct inode *inode, struct file *file) { struct loop_device *lo = inode->i_bdev->bd_disk->private_data; @@ -1330,6 +1341,11 @@ static int lo_open(struct inode *inode, struct file *file) lo->lo_refcnt++; mutex_unlock(&lo->lo_ctl_mutex); + mutex_lock(&loop_devices_mutex); + if (!loop_find_dev(lo->lo_number + 1)) + loop_init_one(lo->lo_number + 1); + mutex_unlock(&loop_devices_mutex); + return 0; } @@ -1357,8 +1373,9 @@ static struct block_device_operations lo_fops = { /* * And now the modules code and kernel interface. */ +static int max_loop; module_param(max_loop, int, 0); -MODULE_PARM_DESC(max_loop, "Maximum number of loop devices (1-256)"); +MODULE_PARM_DESC(max_loop, "obsolete, loop device is created on-demand"); MODULE_LICENSE("GPL"); MODULE_ALIAS_BLOCKDEV_MAJOR(LOOP_MAJOR); @@ -1383,7 +1400,7 @@ int loop_unregister_transfer(int number) xfer_funcs[n] = NULL; - for (lo = &loop_dev[0]; lo < &loop_dev[max_loop]; lo++) { + list_for_each_entry(lo, &loop_devices, lo_list) { mutex_lock(&lo->lo_ctl_mutex); if (lo->lo_encryption == xfer) @@ -1398,91 +1415,110 @@ int loop_unregister_transfer(int number) EXPORT_SYMBOL(loop_register_transfer); EXPORT_SYMBOL(loop_unregister_transfer); -static int __init loop_init(void) +static struct loop_device *loop_init_one(int i) +{ + struct loop_device *lo; + struct gendisk *disk; + + lo = kzalloc(sizeof(*lo), GFP_KERNEL); + if (!lo) + goto out; + + lo->lo_queue = blk_alloc_queue(GFP_KERNEL); + if (!lo->lo_queue) + goto out_free_dev; + + disk = lo->lo_disk = alloc_disk(1); + if (!disk) + goto out_free_queue; + + mutex_init(&lo->lo_ctl_mutex); + lo->lo_number = i; + lo->lo_thread = NULL; + init_waitqueue_head(&lo->lo_event); + spin_lock_init(&lo->lo_lock); + disk->major = LOOP_MAJOR; + disk->first_minor = i; + disk->fops = &lo_fops; + disk->private_data = lo; + disk->queue = lo->lo_queue; + sprintf(disk->disk_name, "loop%d", i); + add_disk(disk); + list_add_tail(&lo->lo_list, &loop_devices); + return lo; + +out_free_queue: + blk_cleanup_queue(lo->lo_queue); +out_free_dev: + kfree(lo); +out: + return ERR_PTR(-ENOMEM); +} + +static void loop_del_one(struct loop_device *lo) { - int i; + del_gendisk(lo->lo_disk); + blk_cleanup_queue(lo->lo_queue); + put_disk(lo->lo_disk); + list_del(&lo->lo_list); + kfree(lo); +} - if (max_loop < 1 || max_loop > 256) { - printk(KERN_WARNING "loop: invalid max_loop (must be between" - " 1 and 256), using default (8)\n"); - max_loop = 8; - } +static struct kobject *loop_probe(dev_t dev, int *part, void *data) +{ + unsigned int number = dev & MINORMASK; + struct loop_device *lo; + + mutex_lock(&loop_devices_mutex); + lo = loop_find_dev(number); + if (lo == NULL) + lo = loop_init_one(number); + mutex_unlock(&loop_devices_mutex); + + *part = 0; + if (IS_ERR(lo)) + return (void *)lo; + else + return &lo->lo_disk->kobj; +} + +static int __init loop_init(void) +{ + struct loop_device *lo; if (register_blkdev(LOOP_MAJOR, "loop")) return -EIO; + blk_register_region(MKDEV(LOOP_MAJOR, 0), 1UL << MINORBITS, + THIS_MODULE, loop_probe, NULL, NULL); - loop_dev = kmalloc(max_loop * sizeof(struct loop_device), GFP_KERNEL); - if (!loop_dev) - goto out_mem1; - memset(loop_dev, 0, max_loop * sizeof(struct loop_device)); + lo = loop_init_one(0); + if (IS_ERR(lo)) + goto out; - disks = kmalloc(max_loop * sizeof(struct gendisk *), GFP_KERNEL); - if (!disks) - goto out_mem2; + if (max_loop) { + printk(KERN_INFO "loop: the max_loop option is obsolete " + "and will be removed in March 2008\n"); - for (i = 0; i < max_loop; i++) { - disks[i] = alloc_disk(1); - if (!disks[i]) - goto out_mem3; } - - for (i = 0; i < max_loop; i++) { - struct loop_device *lo = &loop_dev[i]; - struct gendisk *disk = disks[i]; - - memset(lo, 0, sizeof(*lo)); - lo->lo_queue = blk_alloc_queue(GFP_KERNEL); - if (!lo->lo_queue) - goto out_mem4; - mutex_init(&lo->lo_ctl_mutex); - lo->lo_number = i; - lo->lo_thread = NULL; - init_waitqueue_head(&lo->lo_event); - spin_lock_init(&lo->lo_lock); - disk->major = LOOP_MAJOR; - disk->first_minor = i; - disk->fops = &lo_fops; - sprintf(disk->disk_name, "loop%d", i); - disk->private_data = lo; - disk->queue = lo->lo_queue; - } - - /* We cannot fail after we call this, so another loop!*/ - for (i = 0; i < max_loop; i++) - add_disk(disks[i]); - printk(KERN_INFO "loop: loaded (max %d devices)\n", max_loop); + printk(KERN_INFO "loop: module loaded\n"); return 0; -out_mem4: - while (i--) - blk_cleanup_queue(loop_dev[i].lo_queue); - i = max_loop; -out_mem3: - while (i--) - put_disk(disks[i]); - kfree(disks); -out_mem2: - kfree(loop_dev); -out_mem1: +out: unregister_blkdev(LOOP_MAJOR, "loop"); printk(KERN_ERR "loop: ran out of memory\n"); return -ENOMEM; } -static void loop_exit(void) +static void __exit loop_exit(void) { - int i; + struct loop_device *lo, *next; - for (i = 0; i < max_loop; i++) { - del_gendisk(disks[i]); - blk_cleanup_queue(loop_dev[i].lo_queue); - put_disk(disks[i]); - } + list_for_each_entry_safe(lo, next, &loop_devices, lo_list) + loop_del_one(lo); + + blk_unregister_region(MKDEV(LOOP_MAJOR, 0), 1UL << MINORBITS); if (unregister_blkdev(LOOP_MAJOR, "loop")) printk(KERN_WARNING "loop: cannot unregister blkdev\n"); - - kfree(disks); - kfree(loop_dev); } module_init(loop_init); diff --git a/drivers/block/umem.c b/drivers/block/umem.c index 5872036e8ae..6f5d6203d72 100644 --- a/drivers/block/umem.c +++ b/drivers/block/umem.c @@ -44,7 +44,6 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/timer.h> #include <linux/pci.h> #include <linux/slab.h> diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index a26d91743b2..1e32fb834eb 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -127,7 +127,7 @@ config ROCKETPORT config CYCLADES tristate "Cyclades async mux support" - depends on SERIAL_NONSTANDARD + depends on SERIAL_NONSTANDARD && (PCI || ISA) ---help--- This driver supports Cyclades Z and Y multiserial boards. You would need something like this to connect more than two modems to @@ -1071,5 +1071,11 @@ config TELCLOCK /sys/devices/platform/telco_clock, with a number of files for controlling the behavior of this hardware. +config DEVPORT + bool + depends on !M68K + depends on ISA || PCI + default y + endmenu diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c index 91b062126a6..42c0a600b1a 100644 --- a/drivers/char/agp/uninorth-agp.c +++ b/drivers/char/agp/uninorth-agp.c @@ -613,7 +613,7 @@ static int __devinit agp_uninorth_probe(struct pci_dev *pdev, uninorth_node = of_find_node_by_name(NULL, "u3"); } if (uninorth_node) { - const int *revprop = get_property(uninorth_node, + const int *revprop = of_get_property(uninorth_node, "device-rev", NULL); if (revprop != NULL) uninorth_rev = *revprop & 0x3f; diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index 0e2b72f2b88..4eaceabd8ce 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -1574,7 +1574,7 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout) if (timeout && time_after(jiffies, orig_jiffies + timeout)) break; } - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); #ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT printk("lsr = %d (jiff=%lu)...done\n", lsr, jiffies); #endif @@ -1700,7 +1700,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, #endif schedule(); } - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&info->open_wait, &wait); if (extra_count) state->count++; diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c index c70d52ace8b..ed53f541d9e 100644 --- a/drivers/char/briq_panel.c +++ b/drivers/char/briq_panel.c @@ -206,7 +206,7 @@ static int __init briq_panel_init(void) const char *machine; int i; - machine = get_property(root, "model", NULL); + machine = of_get_property(root, "model", NULL); if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) { of_node_put(root); return -ENODEV; diff --git a/drivers/char/consolemap.c b/drivers/char/consolemap.c index b99b7561260..fd40b959afd 100644 --- a/drivers/char/consolemap.c +++ b/drivers/char/consolemap.c @@ -626,10 +626,10 @@ conv_uni_to_pc(struct vc_data *conp, long ucs) /* Only 16-bit codes supported at this time */ if (ucs > 0xffff) - ucs = 0xfffd; /* U+FFFD: REPLACEMENT CHARACTER */ - else if (ucs < 0x20 || ucs >= 0xfffe) + return -4; /* Not found */ + else if (ucs < 0x20) return -1; /* Not a printable character */ - else if (ucs == 0xfeff || (ucs >= 0x200a && ucs <= 0x200f)) + else if (ucs == 0xfeff || (ucs >= 0x200b && ucs <= 0x200f)) return -2; /* Zero-width space */ /* * UNI_DIRECT_BASE indicates the start of the region in the User Zone diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c index c02d9e99e05..fe6d2407bae 100644 --- a/drivers/char/cs5535_gpio.c +++ b/drivers/char/cs5535_gpio.c @@ -44,6 +44,7 @@ static struct pci_device_id divil_pci[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA) }, { } /* NULL entry */ }; +MODULE_DEVICE_TABLE(pci, divil_pci); static struct cdev cs5535_gpio_cdev; diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 16dc5d1d3cb..c72ee97d389 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -10,15 +10,14 @@ * * Initially written by Randolph Bentson <bentson@grieg.seaslug.org>. * Modified and maintained by Marcio Saito <marcio@cyclades.com>. - * Currently maintained by Cyclades team <async@cyclades.com>. * - * For Technical support and installation problems, please send e-mail - * to support@cyclades.com. + * Copyright (C) 2007 Jiri Slaby <jirislaby@gmail.com> * * Much of the design and some of the code came from serial.c * which was copyright (C) 1991, 1992 Linus Torvalds. It was * extensively rewritten by Theodore Ts'o, 8/16/92 -- 9/14/92, * and then fixed as suggested by Michael K. Johnson 12/12/92. + * Converted to pci probing and cleaned up by Jiri Slaby. * * This version supports shared IRQ's (only for PCI boards). * @@ -591,7 +590,7 @@ * */ -#define CY_VERSION "2.4" +#define CY_VERSION "2.5" /* If you need to install more boards than NR_CARDS, change the constant in the definition below. No other change is necessary to support up to @@ -624,12 +623,6 @@ #undef CY_ENABLE_MONITORING #undef CY_PCI_DEBUG -#if 0 -#define PAUSE __asm__("nop") -#else -#define PAUSE do {} while (0) -#endif - /* * Include section */ @@ -659,17 +652,6 @@ #include <asm/irq.h> #include <asm/uaccess.h> -#define CY_LOCK(info,flags) \ - do { \ - spin_lock_irqsave(&cy_card[info->card].card_lock, flags); \ - } while (0) - -#define CY_UNLOCK(info,flags) \ - do { \ - spin_unlock_irqrestore(&cy_card[info->card].card_lock, flags); \ - } while (0) - -#include <linux/types.h> #include <linux/kernel.h> #include <linux/pci.h> @@ -682,13 +664,13 @@ static void cy_send_xchar(struct tty_struct *tty, char ch); #define IS_CYC_Z(card) ((card).num_chips == -1) #define Z_FPGA_CHECK(card) \ - ((cy_readl(&((struct RUNTIME_9060 __iomem *) \ + ((readl(&((struct RUNTIME_9060 __iomem *) \ ((card).ctl_addr))->init_ctrl) & (1<<17)) != 0) -#define ISZLOADED(card) (((ZO_V1==cy_readl(&((struct RUNTIME_9060 __iomem *) \ +#define ISZLOADED(card) (((ZO_V1==readl(&((struct RUNTIME_9060 __iomem *) \ ((card).ctl_addr))->mail_box_0)) || \ Z_FPGA_CHECK(card)) && \ - (ZFIRM_ID==cy_readl(&((struct FIRM_ID __iomem *) \ + (ZFIRM_ID==readl(&((struct FIRM_ID __iomem *) \ ((card).base_addr+ID_ADDRESS))->signature))) #ifndef SERIAL_XMIT_SIZE @@ -725,8 +707,8 @@ static unsigned int cy_isa_addresses[] = { #define NR_ISA_ADDRS ARRAY_SIZE(cy_isa_addresses) #ifdef MODULE -static long maddr[NR_CARDS] = { 0, }; -static int irq[NR_CARDS] = { 0, }; +static long maddr[NR_CARDS]; +static int irq[NR_CARDS]; module_param_array(maddr, long, NULL, 0); module_param_array(irq, int, NULL, 0); @@ -739,11 +721,6 @@ module_param_array(irq, int, NULL, 0); */ static struct cyclades_card cy_card[NR_CARDS]; -/* This is the per-channel data structure containing pointers, flags - and variables for the port. This driver supports a maximum of NR_PORTS. -*/ -static struct cyclades_port cy_port[NR_PORTS]; - static int cy_next_channel; /* next minor available */ /* @@ -825,9 +802,6 @@ static int cy_chip_offset[] = { 0x0000, /* PCI related definitions */ -static unsigned short cy_pci_nboard; -static unsigned short cy_isa_nboard; -static unsigned short cy_nboard; #ifdef CONFIG_PCI static struct pci_device_id cy_pci_dev_id[] __devinitdata = { { PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Y_Lo) }, /* PCI < 1Mb */ @@ -845,7 +819,7 @@ MODULE_DEVICE_TABLE(pci, cy_pci_dev_id); static void cy_start(struct tty_struct *); static void set_line_char(struct cyclades_port *); -static int cyz_issue_cmd(struct cyclades_card *, uclong, ucchar, uclong); +static int cyz_issue_cmd(struct cyclades_card *, __u32, __u8, __u32); #ifdef CONFIG_ISA static unsigned detect_isa_irq(void __iomem *); #endif /* CONFIG_ISA */ @@ -858,7 +832,6 @@ static void cyz_poll(unsigned long); /* The Cyclades-Z polling cycle is defined by this variable */ static long cyz_polling_cycle = CZ_DEF_POLL; -static int cyz_timeron = 0; static DEFINE_TIMER(cyz_timerlist, cyz_poll, 0, 0); #else /* CONFIG_CYZ_INTR */ @@ -871,21 +844,14 @@ static inline int serial_paranoia_check(struct cyclades_port *info, { #ifdef SERIAL_PARANOIA_CHECK if (!info) { - printk("cyc Warning: null cyclades_port for (%s) in %s\n", - name, routine); - return 1; - } - - if ((long)info < (long)(&cy_port[0]) || - (long)(&cy_port[NR_PORTS]) < (long)info) { - printk("cyc Warning: cyclades_port out of range for (%s) in " - "%s\n", name, routine); + printk(KERN_WARNING "cyc Warning: null cyclades_port for (%s) " + "in %s\n", name, routine); return 1; } if (info->magic != CYCLADES_MAGIC) { - printk("cyc Warning: bad magic number for serial struct (%s) " - "in %s\n", name, routine); + printk(KERN_WARNING "cyc Warning: bad magic number for serial " + "struct (%s) in %s\n", name, routine); return 1; } #endif @@ -943,22 +909,16 @@ do_softint(struct work_struct *work) if (test_and_clear_bit(Cy_EVENT_OPEN_WAKEUP, &info->event)) wake_up_interruptible(&info->open_wait); #ifdef CONFIG_CYZ_INTR - if (test_and_clear_bit(Cy_EVENT_Z_RX_FULL, &info->event)) { - if (cyz_rx_full_timer[info->line].function == NULL) { - cyz_rx_full_timer[info->line].expires = jiffies + 1; - cyz_rx_full_timer[info->line].function = cyz_rx_restart; - cyz_rx_full_timer[info->line].data = - (unsigned long)info; - add_timer(&cyz_rx_full_timer[info->line]); - } - } + if (test_and_clear_bit(Cy_EVENT_Z_RX_FULL, &info->event) && + !timer_pending(&cyz_rx_full_timer[info->line])) + mod_timer(&cyz_rx_full_timer[info->line], jiffies + 1); #endif if (test_and_clear_bit(Cy_EVENT_DELTA_WAKEUP, &info->event)) wake_up_interruptible(&info->delta_msr_wait); tty_wakeup(tty); #ifdef Z_WAKE if (test_and_clear_bit(Cy_EVENT_SHUTDOWN_WAKEUP, &info->event)) - wake_up_interruptible(&info->shutdown_wait); + complete(&info->shutdown_wait); #endif } /* do_softint */ @@ -975,11 +935,11 @@ do_softint(struct work_struct *work) */ static int cyy_issue_cmd(void __iomem * base_addr, u_char cmd, int index) { - volatile int i; + unsigned int i; /* Check to see that the previous command has completed */ for (i = 0; i < 100; i++) { - if (cy_readb(base_addr + (CyCCR << index)) == 0) { + if (readb(base_addr + (CyCCR << index)) == 0) { break; } udelay(10L); @@ -1022,7 +982,7 @@ static unsigned detect_isa_irq(void __iomem * address) cy_writeb(address + (CyCAR << index), 0); cy_writeb(address + (CySRER << index), - cy_readb(address + (CySRER << index)) | CyTxRdy); + readb(address + (CySRER << index)) | CyTxRdy); local_irq_restore(flags); /* Wait ... */ @@ -1032,11 +992,11 @@ static unsigned detect_isa_irq(void __iomem * address) irq = probe_irq_off(irqs); /* Clean up */ - save_xir = (u_char) cy_readb(address + (CyTIR << index)); - save_car = cy_readb(address + (CyCAR << index)); + save_xir = (u_char) readb(address + (CyTIR << index)); + save_car = readb(address + (CyCAR << index)); cy_writeb(address + (CyCAR << index), (save_xir & 0x3)); cy_writeb(address + (CySRER << index), - cy_readb(address + (CySRER << index)) & ~CyTxRdy); + readb(address + (CySRER << index)) & ~CyTxRdy); cy_writeb(address + (CyTIR << index), (save_xir & 0x3f)); cy_writeb(address + (CyCAR << index), (save_car)); cy_writeb(address + (Cy_ClrIntr << index), 0); @@ -1051,45 +1011,43 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, { struct cyclades_port *info; struct tty_struct *tty; - volatile int char_count; - int i, j, len, mdm_change, mdm_status, outch; + int char_count; + int j, len, mdm_change, mdm_status, outch; int save_xir, channel, save_car; char data; if (status & CySRReceive) { /* reception interrupt */ #ifdef CY_DEBUG_INTERRUPTS - printk("cyy_interrupt: rcvd intr, chip %d\n\r", chip); + printk(KERN_DEBUG "cyy_interrupt: rcvd intr, chip %d\n", chip); #endif /* determine the channel & change to that context */ spin_lock(&cinfo->card_lock); - save_xir = (u_char) cy_readb(base_addr + (CyRIR << index)); + save_xir = (u_char) readb(base_addr + (CyRIR << index)); channel = (u_short) (save_xir & CyIRChannel); - i = channel + chip * 4 + cinfo->first_line; - info = &cy_port[i]; - info->last_active = jiffies; - save_car = cy_readb(base_addr + (CyCAR << index)); + info = &cinfo->ports[channel + chip * 4]; + save_car = readb(base_addr + (CyCAR << index)); cy_writeb(base_addr + (CyCAR << index), save_xir); /* if there is nowhere to put the data, discard it */ - if (info->tty == 0) { - j = (cy_readb(base_addr + (CyRIVR << index)) & + if (info->tty == NULL) { + j = (readb(base_addr + (CyRIVR << index)) & CyIVRMask); if (j == CyIVRRxEx) { /* exception */ - data = cy_readb(base_addr + (CyRDSR << index)); + data = readb(base_addr + (CyRDSR << index)); } else { /* normal character reception */ - char_count = cy_readb(base_addr + + char_count = readb(base_addr + (CyRDCR << index)); while (char_count--) { - data = cy_readb(base_addr + + data = readb(base_addr + (CyRDSR << index)); } } } else { /* there is an open port for this data */ tty = info->tty; - j = (cy_readb(base_addr + (CyRIVR << index)) & + j = (readb(base_addr + (CyRIVR << index)) & CyIVRMask); if (j == CyIVRRxEx) { /* exception */ - data = cy_readb(base_addr + (CyRDSR << index)); + data = readb(base_addr + (CyRDSR << index)); /* For statistics only */ if (data & CyBREAK) @@ -1110,7 +1068,7 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, if (data & CyBREAK) { tty_insert_flip_char( tty, - cy_readb( + readb( base_addr + (CyRDSR << index)), @@ -1123,7 +1081,7 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, } else if (data & CyFRAME) { tty_insert_flip_char( tty, - cy_readb( + readb( base_addr + (CyRDSR << index)), @@ -1135,7 +1093,7 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, /* Pieces of seven... */ tty_insert_flip_char( tty, - cy_readb( + readb( base_addr + (CyRDSR << index)), @@ -1154,7 +1112,7 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, */ tty_insert_flip_char( tty, - cy_readb( + readb( base_addr + (CyRDSR << index)), @@ -1186,7 +1144,7 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, } } else { /* normal character reception */ /* load # chars available from the chip */ - char_count = cy_readb(base_addr + + char_count = readb(base_addr + (CyRDCR << index)); #ifdef CY_ENABLE_MONITORING @@ -1198,7 +1156,7 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, #endif len = tty_buffer_request_room(tty, char_count); while (len--) { - data = cy_readb(base_addr + + data = readb(base_addr + (CyRDSR << index)); tty_insert_flip_char(tty, data, TTY_NORMAL); @@ -1223,29 +1181,27 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, is empty, we know we can always stuff a dozen characters. */ #ifdef CY_DEBUG_INTERRUPTS - printk("cyy_interrupt: xmit intr, chip %d\n\r", chip); + printk(KERN_DEBUG "cyy_interrupt: xmit intr, chip %d\n", chip); #endif /* determine the channel & change to that context */ spin_lock(&cinfo->card_lock); - save_xir = (u_char) cy_readb(base_addr + (CyTIR << index)); + save_xir = (u_char) readb(base_addr + (CyTIR << index)); channel = (u_short) (save_xir & CyIRChannel); - i = channel + chip * 4 + cinfo->first_line; - save_car = cy_readb(base_addr + (CyCAR << index)); + save_car = readb(base_addr + (CyCAR << index)); cy_writeb(base_addr + (CyCAR << index), save_xir); /* validate the port# (as configured and open) */ - if ((i < 0) || (NR_PORTS <= i)) { + if (channel + chip * 4 >= cinfo->nports) { cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + (CySRER << index)) & + readb(base_addr + (CySRER << index)) & ~CyTxRdy); goto txend; } - info = &cy_port[i]; - info->last_active = jiffies; - if (info->tty == 0) { + info = &cinfo->ports[channel + chip * 4]; + if (info->tty == NULL) { cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + (CySRER << index)) & + readb(base_addr + (CySRER << index)) & ~CyTxRdy); goto txdone; } @@ -1278,29 +1234,29 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, while (char_count-- > 0) { if (!info->xmit_cnt) { - if (cy_readb(base_addr + (CySRER << index)) & + if (readb(base_addr + (CySRER << index)) & CyTxMpty) { cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + + readb(base_addr + (CySRER << index)) & ~CyTxMpty); } else { cy_writeb(base_addr + (CySRER << index), - (cy_readb(base_addr + + (readb(base_addr + (CySRER << index)) & ~CyTxRdy) | CyTxMpty); } goto txdone; } - if (info->xmit_buf == 0) { + if (info->xmit_buf == NULL) { cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + (CySRER << index))& + readb(base_addr + (CySRER << index)) & ~CyTxRdy); goto txdone; } if (info->tty->stopped || info->tty->hw_stopped) { cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + (CySRER << index))& + readb(base_addr + (CySRER << index)) & ~CyTxRdy); goto txdone; } @@ -1333,7 +1289,6 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, 0); info->icount.tx++; char_count--; - } else { } } } @@ -1353,19 +1308,16 @@ txend: /* determine the channel & change to that context */ spin_lock(&cinfo->card_lock); - save_xir = (u_char) cy_readb(base_addr + (CyMIR << index)); + save_xir = (u_char) readb(base_addr + (CyMIR << index)); channel = (u_short) (save_xir & CyIRChannel); - info = &cy_port[channel + chip * 4 + cinfo->first_line]; - info->last_active = jiffies; - save_car = cy_readb(base_addr + (CyCAR << index)); + info = &cinfo->ports[channel + chip * 4]; + save_car = readb(base_addr + (CyCAR << index)); cy_writeb(base_addr + (CyCAR << index), save_xir); - mdm_change = cy_readb(base_addr + (CyMISR << index)); - mdm_status = cy_readb(base_addr + (CyMSVR1 << index)); + mdm_change = readb(base_addr + (CyMISR << index)); + mdm_status = readb(base_addr + (CyMSVR1 << index)); - if (info->tty == 0) { /* no place for data, ignore it */ - ; - } else { + if (info->tty) { if (mdm_change & CyANY_DELTA) { /* For statistics only */ if (mdm_change & CyDCD) @@ -1398,7 +1350,7 @@ txend: info->tty->hw_stopped = 0; cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + + readb(base_addr + (CySRER << index))| CyTxRdy); @@ -1412,17 +1364,17 @@ txend: info->tty->hw_stopped = 1; cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + + readb(base_addr + (CySRER << index)) & ~CyTxRdy); } } } - if (mdm_change & CyDSR) { +/* if (mdm_change & CyDSR) { } if (mdm_change & CyRI) { - } + }*/ } /* end of service */ cy_writeb(base_addr + (CyMIR << index), (save_xir & 0x3f)); @@ -1438,16 +1390,16 @@ txend: static irqreturn_t cyy_interrupt(int irq, void *dev_id) { int status; - struct cyclades_card *cinfo; + struct cyclades_card *cinfo = dev_id; void __iomem *base_addr, *card_base_addr; int chip; int index; int too_many; int had_work; - if ((cinfo = (struct cyclades_card *)dev_id) == 0) { + if (unlikely(cinfo == NULL)) { #ifdef CY_DEBUG_INTERRUPTS - printk("cyy_interrupt: spurious interrupt %d\n\r", irq); + printk(KERN_DEBUG "cyy_interrupt: spurious interrupt %d\n",irq); #endif return IRQ_NONE; /* spurious interrupt */ } @@ -1455,6 +1407,10 @@ static irqreturn_t cyy_interrupt(int irq, void *dev_id) card_base_addr = cinfo->base_addr; index = cinfo->bus_index; + /* card was not initialized yet (e.g. DEBUG_SHIRQ) */ + if (unlikely(card_base_addr == NULL)) + return IRQ_HANDLED; + /* This loop checks all chips in the card. Make a note whenever _any_ chip had some work to do, as this is considered an indication that there will be more to do. Only when no chip @@ -1466,7 +1422,7 @@ static irqreturn_t cyy_interrupt(int irq, void *dev_id) base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index); too_many = 0; - while ((status = cy_readb(base_addr + + while ((status = readb(base_addr + (CySVRR << index))) != 0x00) { had_work++; /* The purpose of the following test is to ensure that @@ -1498,7 +1454,7 @@ static irqreturn_t cyy_interrupt(int irq, void *dev_id) static int cyz_fetch_msg(struct cyclades_card *cinfo, - uclong * channel, ucchar * cmd, uclong * param) + __u32 * channel, __u8 * cmd, __u32 * param) { struct FIRM_ID __iomem *firm_id; struct ZFW_CTRL __iomem *zfw_ctrl; @@ -1509,16 +1465,15 @@ cyz_fetch_msg(struct cyclades_card *cinfo, if (!ISZLOADED(*cinfo)) { return -1; } - zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & - 0xfffff); + zfw_ctrl = cinfo->base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff); board_ctrl = &zfw_ctrl->board_ctrl; - loc_doorbell = cy_readl(&((struct RUNTIME_9060 __iomem *) + loc_doorbell = readl(&((struct RUNTIME_9060 __iomem *) (cinfo->ctl_addr))->loc_doorbell); if (loc_doorbell) { *cmd = (char)(0xff & loc_doorbell); - *channel = cy_readl(&board_ctrl->fwcmd_channel); - *param = (uclong) cy_readl(&board_ctrl->fwcmd_param); + *channel = readl(&board_ctrl->fwcmd_channel); + *param = (__u32) readl(&board_ctrl->fwcmd_param); cy_writel(&((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))-> loc_doorbell, 0xffffffff); return 1; @@ -1528,28 +1483,27 @@ cyz_fetch_msg(struct cyclades_card *cinfo, static int cyz_issue_cmd(struct cyclades_card *cinfo, - uclong channel, ucchar cmd, uclong param) + __u32 channel, __u8 cmd, __u32 param) { struct FIRM_ID __iomem *firm_id; struct ZFW_CTRL __iomem *zfw_ctrl; struct BOARD_CTRL __iomem *board_ctrl; - unsigned long __iomem *pci_doorbell; + __u32 __iomem *pci_doorbell; int index; firm_id = cinfo->base_addr + ID_ADDRESS; if (!ISZLOADED(*cinfo)) { return -1; } - zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & - 0xfffff); + zfw_ctrl = cinfo->base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff); board_ctrl = &zfw_ctrl->board_ctrl; index = 0; pci_doorbell = &((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))->pci_doorbell; - while ((cy_readl(pci_doorbell) & 0xff) != 0) { + while ((readl(pci_doorbell) & 0xff) != 0) { if (index++ == 1000) { - return (int)(cy_readl(pci_doorbell) & 0xff); + return (int)(readl(pci_doorbell) & 0xff); } udelay(50L); } @@ -1561,34 +1515,30 @@ cyz_issue_cmd(struct cyclades_card *cinfo, } /* cyz_issue_cmd */ static void -cyz_handle_rx(struct cyclades_port *info, - volatile struct CH_CTRL __iomem * ch_ctrl, - volatile struct BUF_CTRL __iomem * buf_ctrl) +cyz_handle_rx(struct cyclades_port *info, struct CH_CTRL __iomem *ch_ctrl, + struct BUF_CTRL __iomem *buf_ctrl) { - struct cyclades_card *cinfo = &cy_card[info->card]; + struct cyclades_card *cinfo = info->card; struct tty_struct *tty = info->tty; - volatile int char_count; + int char_count; int len; #ifdef BLOCKMOVE - int small_count; + unsigned char *buf; #else char data; #endif - volatile uclong rx_put, rx_get, new_rx_get, rx_bufsize, rx_bufaddr; + __u32 rx_put, rx_get, new_rx_get, rx_bufsize, rx_bufaddr; - rx_get = new_rx_get = cy_readl(&buf_ctrl->rx_get); - rx_put = cy_readl(&buf_ctrl->rx_put); - rx_bufsize = cy_readl(&buf_ctrl->rx_bufsize); - rx_bufaddr = cy_readl(&buf_ctrl->rx_bufaddr); + rx_get = new_rx_get = readl(&buf_ctrl->rx_get); + rx_put = readl(&buf_ctrl->rx_put); + rx_bufsize = readl(&buf_ctrl->rx_bufsize); + rx_bufaddr = readl(&buf_ctrl->rx_bufaddr); if (rx_put >= rx_get) char_count = rx_put - rx_get; else char_count = rx_put - rx_get + rx_bufsize; if (char_count) { - info->last_active = jiffies; - info->jiffies[1] = jiffies; - #ifdef CY_ENABLE_MONITORING info->mon.int_count++; info->mon.char_count += char_count; @@ -1596,7 +1546,7 @@ cyz_handle_rx(struct cyclades_port *info, info->mon.char_max = char_count; info->mon.char_last = char_count; #endif - if (tty == 0) { + if (tty == NULL) { /* flush received characters */ new_rx_get = (new_rx_get + char_count) & (rx_bufsize - 1); @@ -1606,30 +1556,28 @@ cyz_handle_rx(struct cyclades_port *info, /* we'd like to use memcpy(t, f, n) and memset(s, c, count) for performance, but because of buffer boundaries, there may be several steps to the operation */ - while (0 < (small_count = min_t(unsigned int, - rx_bufsize - new_rx_get, - min_t(unsigned int, TTY_FLIPBUF_SIZE - - tty->flip.count, char_count)))){ - memcpy_fromio(tty->flip.char_buf_ptr, - (char *)(cinfo->base_addr + rx_bufaddr + - new_rx_get), - small_count); + while (1) { + len = tty_prepare_flip_string(tty, &buf, + char_count); + if (!len) + break; - tty->flip.char_buf_ptr += small_count; - memset(tty->flip.flag_buf_ptr, TTY_NORMAL, - small_count); - tty->flip.flag_buf_ptr += small_count; - new_rx_get = (new_rx_get + small_count) & + len = min_t(unsigned int, min(len, char_count), + rx_bufsize - new_rx_get); + + memcpy_fromio(buf, cinfo->base_addr + + rx_bufaddr + new_rx_get, len); + + new_rx_get = (new_rx_get + len) & (rx_bufsize - 1); - char_count -= small_count; - info->icount.rx += small_count; - info->idle_stats.recv_bytes += small_count; - tty->flip.count += small_count; + char_count -= len; + info->icount.rx += len; + info->idle_stats.recv_bytes += len; } #else len = tty_buffer_request_room(tty, char_count); while (len--) { - data = cy_readb(cinfo->base_addr + rx_bufaddr + + data = readb(cinfo->base_addr + rx_bufaddr + new_rx_get); new_rx_get = (new_rx_get + 1)& (rx_bufsize - 1); tty_insert_flip_char(tty, data, TTY_NORMAL); @@ -1640,13 +1588,12 @@ cyz_handle_rx(struct cyclades_port *info, #ifdef CONFIG_CYZ_INTR /* Recalculate the number of chars in the RX buffer and issue a cmd in case it's higher than the RX high water mark */ - rx_put = cy_readl(&buf_ctrl->rx_put); + rx_put = readl(&buf_ctrl->rx_put); if (rx_put >= rx_get) char_count = rx_put - rx_get; else char_count = rx_put - rx_get + rx_bufsize; - if (char_count >= (int)cy_readl(&buf_ctrl-> - rx_threshold)) { + if (char_count >= (int)readl(&buf_ctrl->rx_threshold)) { cy_sched_event(info, Cy_EVENT_Z_RX_FULL); } #endif @@ -1659,26 +1606,25 @@ cyz_handle_rx(struct cyclades_port *info, } static void -cyz_handle_tx(struct cyclades_port *info, - volatile struct CH_CTRL __iomem * ch_ctrl, - volatile struct BUF_CTRL __iomem * buf_ctrl) +cyz_handle_tx(struct cyclades_port *info, struct CH_CTRL __iomem *ch_ctrl, + struct BUF_CTRL __iomem *buf_ctrl) { - struct cyclades_card *cinfo = &cy_card[info->card]; + struct cyclades_card *cinfo = info->card; struct tty_struct *tty = info->tty; char data; - volatile int char_count; + int char_count; #ifdef BLOCKMOVE int small_count; #endif - volatile uclong tx_put, tx_get, tx_bufsize, tx_bufaddr; + __u32 tx_put, tx_get, tx_bufsize, tx_bufaddr; if (info->xmit_cnt <= 0) /* Nothing to transmit */ return; - tx_get = cy_readl(&buf_ctrl->tx_get); - tx_put = cy_readl(&buf_ctrl->tx_put); - tx_bufsize = cy_readl(&buf_ctrl->tx_bufsize); - tx_bufaddr = cy_readl(&buf_ctrl->tx_bufaddr); + tx_get = readl(&buf_ctrl->tx_get); + tx_put = readl(&buf_ctrl->tx_put); + tx_bufsize = readl(&buf_ctrl->tx_bufsize); + tx_bufaddr = readl(&buf_ctrl->tx_bufaddr); if (tx_put >= tx_get) char_count = tx_get - tx_put - 1 + tx_bufsize; else @@ -1686,9 +1632,8 @@ cyz_handle_tx(struct cyclades_port *info, if (char_count) { - if (tty == 0) { + if (tty == NULL) goto ztxdone; - } if (info->x_char) { /* send special char */ data = info->x_char; @@ -1698,8 +1643,6 @@ cyz_handle_tx(struct cyclades_port *info, info->x_char = 0; char_count--; info->icount.tx++; - info->last_active = jiffies; - info->jiffies[2] = jiffies; } #ifdef BLOCKMOVE while (0 < (small_count = min_t(unsigned int, @@ -1719,8 +1662,6 @@ cyz_handle_tx(struct cyclades_port *info, info->xmit_cnt -= small_count; info->xmit_tail = (info->xmit_tail + small_count) & (SERIAL_XMIT_SIZE - 1); - info->last_active = jiffies; - info->jiffies[2] = jiffies; } #else while (info->xmit_cnt && char_count) { @@ -1733,8 +1674,6 @@ cyz_handle_tx(struct cyclades_port *info, tx_put = (tx_put + 1) & (tx_bufsize - 1); char_count--; info->icount.tx++; - info->last_active = jiffies; - info->jiffies[2] = jiffies; } #endif ztxdone: @@ -1750,33 +1689,32 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo) { struct tty_struct *tty; struct cyclades_port *info; - static volatile struct FIRM_ID __iomem *firm_id; - static volatile struct ZFW_CTRL __iomem *zfw_ctrl; - static volatile struct BOARD_CTRL __iomem *board_ctrl; - static volatile struct CH_CTRL __iomem *ch_ctrl; - static volatile struct BUF_CTRL __iomem *buf_ctrl; - uclong channel; - ucchar cmd; - uclong param; - uclong hw_ver, fw_ver; + static struct FIRM_ID __iomem *firm_id; + static struct ZFW_CTRL __iomem *zfw_ctrl; + static struct BOARD_CTRL __iomem *board_ctrl; + static struct CH_CTRL __iomem *ch_ctrl; + static struct BUF_CTRL __iomem *buf_ctrl; + __u32 channel; + __u8 cmd; + __u32 param; + __u32 hw_ver, fw_ver; int special_count; int delta_count; firm_id = cinfo->base_addr + ID_ADDRESS; - zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & - 0xfffff); + zfw_ctrl = cinfo->base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff); board_ctrl = &zfw_ctrl->board_ctrl; - fw_ver = cy_readl(&board_ctrl->fw_version); - hw_ver = cy_readl(&((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))-> + fw_ver = readl(&board_ctrl->fw_version); + hw_ver = readl(&((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))-> mail_box_0); while (cyz_fetch_msg(cinfo, &channel, &cmd, ¶m) == 1) { special_count = 0; delta_count = 0; - info = &cy_port[channel + cinfo->first_line]; - if ((tty = info->tty) == 0) { + info = &cinfo->ports[channel]; + if ((tty = info->tty) == NULL) continue; - } + ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]); buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]); @@ -1801,7 +1739,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo) delta_count++; if (info->flags & ASYNC_CHECK_CD) { if ((fw_ver > 241 ? ((u_long) param) : - cy_readl(&ch_ctrl->rs_status)) & + readl(&ch_ctrl->rs_status)) & C_RS_DCD) { cy_sched_event(info, Cy_EVENT_OPEN_WAKEUP); @@ -1833,8 +1771,8 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo) case C_CM_INTBACK2: /* Reception Interrupt */ #ifdef CY_DEBUG_INTERRUPTS - printk("cyz_interrupt: rcvd intr, card %d, " - "port %ld\n\r", info->card, channel); + printk(KERN_DEBUG "cyz_interrupt: rcvd intr, card %d, " + "port %ld\n", info->card, channel); #endif cyz_handle_rx(info, ch_ctrl, buf_ctrl); break; @@ -1843,8 +1781,8 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo) case C_CM_INTBACK: /* Transmission Interrupt */ #ifdef CY_DEBUG_INTERRUPTS - printk("cyz_interrupt: xmit intr, card %d, " - "port %ld\n\r", info->card, channel); + printk(KERN_DEBUG "cyz_interrupt: xmit intr, card %d, " + "port %ld\n", info->card, channel); #endif cyz_handle_tx(info, ch_ctrl, buf_ctrl); break; @@ -1865,18 +1803,19 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo) #ifdef CONFIG_CYZ_INTR static irqreturn_t cyz_interrupt(int irq, void *dev_id) { - struct cyclades_card *cinfo; + struct cyclades_card *cinfo = dev_id; - if ((cinfo = (struct cyclades_card *)dev_id) == 0) { + if (unlikely(cinfo == NULL)) { #ifdef CY_DEBUG_INTERRUPTS - printk("cyz_interrupt: spurious interrupt %d\n\r", irq); + printk(KERN_DEBUG "cyz_interrupt: spurious interrupt %d\n",irq); #endif return IRQ_NONE; /* spurious interrupt */ } - if (!ISZLOADED(*cinfo)) { + if (unlikely(!ISZLOADED(*cinfo))) { #ifdef CY_DEBUG_INTERRUPTS - printk("cyz_interrupt: board not yet loaded (IRQ%d).\n\r", irq); + printk(KERN_DEBUG "cyz_interrupt: board not yet loaded " + "(IRQ%d).\n", irq); #endif return IRQ_NONE; } @@ -1890,19 +1829,18 @@ static irqreturn_t cyz_interrupt(int irq, void *dev_id) static void cyz_rx_restart(unsigned long arg) { struct cyclades_port *info = (struct cyclades_port *)arg; + struct cyclades_card *card = info->card; int retval; - int card = info->card; - uclong channel = (info->line) - (cy_card[card].first_line); + __u32 channel = info->line - card->first_line; unsigned long flags; - CY_LOCK(info, flags); - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_INTBACK2, 0L); + spin_lock_irqsave(&card->card_lock, flags); + retval = cyz_issue_cmd(card, channel, C_CM_INTBACK2, 0L); if (retval != 0) { - printk("cyc:cyz_rx_restart retval on ttyC%d was %x\n", + printk(KERN_ERR "cyc:cyz_rx_restart retval on ttyC%d was %x\n", info->line, retval); } - cyz_rx_full_timer[info->line].function = NULL; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } #else /* CONFIG_CYZ_INTR */ @@ -1912,14 +1850,14 @@ static void cyz_poll(unsigned long arg) struct cyclades_card *cinfo; struct cyclades_port *info; struct tty_struct *tty; - static volatile struct FIRM_ID *firm_id; - static volatile struct ZFW_CTRL *zfw_ctrl; - static volatile struct BOARD_CTRL *board_ctrl; - static volatile struct CH_CTRL *ch_ctrl; - static volatile struct BUF_CTRL *buf_ctrl; + static struct FIRM_ID *firm_id; + static struct ZFW_CTRL *zfw_ctrl; + static struct BOARD_CTRL *board_ctrl; + static struct CH_CTRL *ch_ctrl; + static struct BUF_CTRL *buf_ctrl; + unsigned long expires = jiffies + HZ; int card, port; - cyz_timerlist.expires = jiffies + (HZ); for (card = 0; card < NR_CARDS; card++) { cinfo = &cy_card[card]; @@ -1930,12 +1868,12 @@ static void cyz_poll(unsigned long arg) firm_id = cinfo->base_addr + ID_ADDRESS; zfw_ctrl = cinfo->base_addr + - (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + (readl(&firm_id->zfwctrl_addr) & 0xfffff); board_ctrl = &(zfw_ctrl->board_ctrl); /* Skip first polling cycle to avoid racing conditions with the FW */ if (!cinfo->intr_enabled) { - cinfo->nports = (int)cy_readl(&board_ctrl->n_channel); + cinfo->nports = (int)readl(&board_ctrl->n_channel); cinfo->intr_enabled = 1; continue; } @@ -1943,7 +1881,7 @@ static void cyz_poll(unsigned long arg) cyz_handle_cmd(cinfo); for (port = 0; port < cinfo->nports; port++) { - info = &cy_port[port + cinfo->first_line]; + info = &cinfo->ports[port]; tty = info->tty; ch_ctrl = &(zfw_ctrl->ch_ctrl[port]); buf_ctrl = &(zfw_ctrl->buf_ctrl[port]); @@ -1953,9 +1891,9 @@ static void cyz_poll(unsigned long arg) cyz_handle_tx(info, ch_ctrl, buf_ctrl); } /* poll every 'cyz_polling_cycle' period */ - cyz_timerlist.expires = jiffies + cyz_polling_cycle; + expires = jiffies + cyz_polling_cycle; } - add_timer(&cyz_timerlist); + mod_timer(&cyz_timerlist, expires); } /* cyz_poll */ #endif /* CONFIG_CYZ_INTR */ @@ -1968,20 +1906,21 @@ static void cyz_poll(unsigned long arg) */ static int startup(struct cyclades_port *info) { + struct cyclades_card *card; unsigned long flags; int retval = 0; void __iomem *base_addr; - int card, chip, channel, index; + int chip, channel, index; unsigned long page; card = info->card; - channel = (info->line) - (cy_card[card].first_line); + channel = info->line - card->first_line; page = get_zeroed_page(GFP_KERNEL); if (!page) return -ENOMEM; - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); if (info->flags & ASYNC_INITIALIZED) { free_page(page); @@ -2001,24 +1940,22 @@ static int startup(struct cyclades_port *info) else info->xmit_buf = (unsigned char *)page; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); set_line_char(info); - if (!IS_CYC_Z(cy_card[card])) { + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + - (cy_chip_offset[chip] << index); + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); #ifdef CY_DEBUG_OPEN - printk("cyc startup card %d, chip %d, channel %d, " - "base_addr %lx\n", - card, chip, channel, (long)base_addr); - /**/ + printk(KERN_DEBUG "cyc startup card %d, chip %d, channel %d, " + "base_addr %p\n", + card, chip, channel, base_addr); #endif - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) channel); @@ -2034,14 +1971,14 @@ static int startup(struct cyclades_port *info) cy_writeb(base_addr + (CyMSVR2 << index), CyDTR); #ifdef CY_DEBUG_DTR - printk("cyc:startup raising DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr + (CyMSVR1 << index)), - cy_readb(base_addr + (CyMSVR2 << index))); + printk(KERN_DEBUG "cyc:startup raising DTR\n"); + printk(KERN_DEBUG " status: 0x%x, 0x%x\n", + readb(base_addr + (CyMSVR1 << index)), + readb(base_addr + (CyMSVR2 << index))); #endif cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + (CySRER << index)) | CyRxData); + readb(base_addr + (CySRER << index)) | CyRxData); info->flags |= ASYNC_INITIALIZED; if (info->tty) { @@ -2054,7 +1991,7 @@ static int startup(struct cyclades_port *info) info->idle_stats.recv_idle = info->idle_stats.xmit_idle = jiffies; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } else { struct FIRM_ID __iomem *firm_id; @@ -2063,24 +2000,23 @@ static int startup(struct cyclades_port *info) struct CH_CTRL __iomem *ch_ctrl; int retval; - base_addr = cy_card[card].base_addr; + base_addr = card->base_addr; firm_id = base_addr + ID_ADDRESS; - if (!ISZLOADED(cy_card[card])) { + if (!ISZLOADED(*card)) { return -ENODEV; } - zfw_ctrl = cy_card[card].base_addr + - (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + zfw_ctrl = card->base_addr + + (readl(&firm_id->zfwctrl_addr) & 0xfffff); board_ctrl = &zfw_ctrl->board_ctrl; ch_ctrl = zfw_ctrl->ch_ctrl; #ifdef CY_DEBUG_OPEN - printk("cyc startup Z card %d, channel %d, base_addr %lx\n", - card, channel, (long)base_addr); - /**/ + printk(KERN_DEBUG "cyc startup Z card %d, channel %d, " + "base_addr %p\n", card, channel, base_addr); #endif - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writel(&ch_ctrl[channel].op_mode, C_CH_ENABLE); #ifdef Z_WAKE @@ -2102,33 +2038,31 @@ static int startup(struct cyclades_port *info) #endif /* CONFIG_CYZ_INTR */ #endif /* Z_WAKE */ - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTL, 0L); + retval = cyz_issue_cmd(card, channel, C_CM_IOCTL, 0L); if (retval != 0) { - printk("cyc:startup(1) retval on ttyC%d was %x\n", - info->line, retval); + printk(KERN_ERR "cyc:startup(1) retval on ttyC%d was " + "%x\n", info->line, retval); } /* Flush RX buffers before raising DTR and RTS */ - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_FLUSH_RX, - 0L); + retval = cyz_issue_cmd(card, channel, C_CM_FLUSH_RX, 0L); if (retval != 0) { - printk("cyc:startup(2) retval on ttyC%d was %x\n", - info->line, retval); + printk(KERN_ERR "cyc:startup(2) retval on ttyC%d was " + "%x\n", info->line, retval); } /* set timeout !!! */ /* set RTS and DTR !!! */ cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel].rs_control) | C_RS_RTS | + readl(&ch_ctrl[channel].rs_control) | C_RS_RTS | C_RS_DTR); - retval = cyz_issue_cmd(&cy_card[info->card], channel, - C_CM_IOCTLM, 0L); + retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM, 0L); if (retval != 0) { - printk("cyc:startup(3) retval on ttyC%d was %x\n", - info->line, retval); + printk(KERN_ERR "cyc:startup(3) retval on ttyC%d was " + "%x\n", info->line, retval); } #ifdef CY_DEBUG_DTR - printk("cyc:startup raising Z DTR\n"); + printk(KERN_DEBUG "cyc:startup raising Z DTR\n"); #endif /* enable send, recv, modem !!! */ @@ -2144,51 +2078,50 @@ static int startup(struct cyclades_port *info) info->idle_stats.recv_idle = info->idle_stats.xmit_idle = jiffies; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } #ifdef CY_DEBUG_OPEN - printk(" cyc startup done\n"); + printk(KERN_DEBUG "cyc startup done\n"); #endif return 0; errout: - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); return retval; } /* startup */ static void start_xmit(struct cyclades_port *info) { + struct cyclades_card *card; unsigned long flags; void __iomem *base_addr; - int card, chip, channel, index; + int chip, channel, index; card = info->card; - channel = (info->line) - (cy_card[card].first_line); - if (!IS_CYC_Z(cy_card[card])) { + channel = info->line - card->first_line; + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + - (cy_chip_offset[chip] << index); + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), channel); cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + (CySRER << index)) | CyTxRdy); - CY_UNLOCK(info, flags); + readb(base_addr + (CySRER << index)) | CyTxRdy); + spin_unlock_irqrestore(&card->card_lock, flags); } else { #ifdef CONFIG_CYZ_INTR int retval; - CY_LOCK(info, flags); - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_INTBACK, - 0L); + spin_lock_irqsave(&card->card_lock, flags); + retval = cyz_issue_cmd(card, channel, C_CM_INTBACK, 0L); if (retval != 0) { - printk("cyc:start_xmit retval on ttyC%d was %x\n", - info->line, retval); + printk(KERN_ERR "cyc:start_xmit retval on ttyC%d was " + "%x\n", info->line, retval); } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); #else /* CONFIG_CYZ_INTR */ /* Don't have to do anything at this time */ #endif /* CONFIG_CYZ_INTR */ @@ -2201,30 +2134,30 @@ static void start_xmit(struct cyclades_port *info) */ static void shutdown(struct cyclades_port *info) { + struct cyclades_card *card; unsigned long flags; void __iomem *base_addr; - int card, chip, channel, index; + int chip, channel, index; if (!(info->flags & ASYNC_INITIALIZED)) { return; } card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { + channel = info->line - card->first_line; + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + - (cy_chip_offset[chip] << index); + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); #ifdef CY_DEBUG_OPEN - printk("cyc shutdown Y card %d, chip %d, channel %d, " - "base_addr %lx\n", - card, chip, channel, (long)base_addr); + printk(KERN_DEBUG "cyc shutdown Y card %d, chip %d, " + "channel %d, base_addr %p\n", + card, chip, channel, base_addr); #endif - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); /* Clear delta_msr_wait queue to avoid mem leaks. */ wake_up_interruptible(&info->delta_msr_wait); @@ -2240,10 +2173,10 @@ static void shutdown(struct cyclades_port *info) cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS); cy_writeb(base_addr + (CyMSVR2 << index), ~CyDTR); #ifdef CY_DEBUG_DTR - printk("cyc shutdown dropping DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr + (CyMSVR1 << index)), - cy_readb(base_addr + (CyMSVR2 << index))); + printk(KERN_DEBUG "cyc shutdown dropping DTR\n"); + printk(KERN_DEBUG " status: 0x%x, 0x%x\n", + readb(base_addr + (CyMSVR1 << index)), + readb(base_addr + (CyMSVR2 << index))); #endif } cyy_issue_cmd(base_addr, CyCHAN_CTL | CyDIS_RCVR, index); @@ -2254,7 +2187,7 @@ static void shutdown(struct cyclades_port *info) set_bit(TTY_IO_ERROR, &info->tty->flags); } info->flags &= ~ASYNC_INITIALIZED; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } else { struct FIRM_ID __iomem *firm_id; struct ZFW_CTRL __iomem *zfw_ctrl; @@ -2262,23 +2195,23 @@ static void shutdown(struct cyclades_port *info) struct CH_CTRL __iomem *ch_ctrl; int retval; - base_addr = cy_card[card].base_addr; + base_addr = card->base_addr; #ifdef CY_DEBUG_OPEN - printk("cyc shutdown Z card %d, channel %d, base_addr %lx\n", - card, channel, (long)base_addr); + printk(KERN_DEBUG "cyc shutdown Z card %d, channel %d, " + "base_addr %p\n", card, channel, base_addr); #endif firm_id = base_addr + ID_ADDRESS; - if (!ISZLOADED(cy_card[card])) { + if (!ISZLOADED(*card)) { return; } - zfw_ctrl = cy_card[card].base_addr + - (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + zfw_ctrl = card->base_addr + + (readl(&firm_id->zfwctrl_addr) & 0xfffff); board_ctrl = &zfw_ctrl->board_ctrl; ch_ctrl = zfw_ctrl->ch_ctrl; - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); if (info->xmit_buf) { unsigned char *temp; @@ -2289,16 +2222,16 @@ static void shutdown(struct cyclades_port *info) if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) { cy_writel(&ch_ctrl[channel].rs_control, - (uclong)(cy_readl(&ch_ctrl[channel].rs_control)& + (__u32)(readl(&ch_ctrl[channel].rs_control) & ~(C_RS_RTS | C_RS_DTR))); - retval = cyz_issue_cmd(&cy_card[info->card], channel, + retval = cyz_issue_cmd(info->card, channel, C_CM_IOCTLM, 0L); if (retval != 0) { - printk("cyc:shutdown retval on ttyC%d was %x\n", - info->line, retval); + printk(KERN_ERR"cyc:shutdown retval on ttyC%d " + "was %x\n", info->line, retval); } #ifdef CY_DEBUG_DTR - printk("cyc:shutdown dropping Z DTR\n"); + printk(KERN_DEBUG "cyc:shutdown dropping Z DTR\n"); #endif } @@ -2307,11 +2240,11 @@ static void shutdown(struct cyclades_port *info) } info->flags &= ~ASYNC_INITIALIZED; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } #ifdef CY_DEBUG_OPEN - printk(" cyc shutdown done\n"); + printk(KERN_DEBUG "cyc shutdown done\n"); #endif } /* shutdown */ @@ -2332,7 +2265,7 @@ block_til_ready(struct tty_struct *tty, struct file *filp, int retval; void __iomem *base_addr; - cinfo = &cy_card[info->card]; + cinfo = info->card; channel = info->line - cinfo->first_line; /* @@ -2340,9 +2273,8 @@ block_til_ready(struct tty_struct *tty, struct file *filp, * until it's done, and then try again. */ if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) { - if (info->flags & ASYNC_CLOSING) { - interruptible_sleep_on(&info->close_wait); - } + wait_event_interruptible(info->close_wait, + !(info->flags & ASYNC_CLOSING)); return (info->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN: -ERESTARTSYS; } @@ -2365,17 +2297,16 @@ block_til_ready(struct tty_struct *tty, struct file *filp, retval = 0; add_wait_queue(&info->open_wait, &wait); #ifdef CY_DEBUG_OPEN - printk("cyc block_til_ready before block: ttyC%d, count = %d\n", - info->line, info->count); - /**/ + printk(KERN_DEBUG "cyc block_til_ready before block: ttyC%d, " + "count = %d\n", info->line, info->count); #endif - CY_LOCK(info, flags); + spin_lock_irqsave(&cinfo->card_lock, flags); if (!tty_hung_up_p(filp)) info->count--; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&cinfo->card_lock, flags); #ifdef CY_DEBUG_COUNT - printk("cyc block_til_ready: (%d): decrementing count to %d\n", - current->pid, info->count); + printk(KERN_DEBUG "cyc block_til_ready: (%d): decrementing count to " + "%d\n", current->pid, info->count); #endif info->blocked_open++; @@ -2386,7 +2317,7 @@ block_til_ready(struct tty_struct *tty, struct file *filp, base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index); while (1) { - CY_LOCK(info, flags); + spin_lock_irqsave(&cinfo->card_lock, flags); if ((tty->termios->c_cflag & CBAUD)) { cy_writeb(base_addr + (CyCAR << index), (u_char) channel); @@ -2395,15 +2326,14 @@ block_til_ready(struct tty_struct *tty, struct file *filp, cy_writeb(base_addr + (CyMSVR2 << index), CyDTR); #ifdef CY_DEBUG_DTR - printk("cyc:block_til_ready raising DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr + - (CyMSVR1 << index)), - cy_readb(base_addr + - (CyMSVR2 << index))); + printk(KERN_DEBUG "cyc:block_til_ready raising " + "DTR\n"); + printk(KERN_DEBUG " status: 0x%x, 0x%x\n", + readb(base_addr + (CyMSVR1 << index)), + readb(base_addr + (CyMSVR2 << index))); #endif } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&cinfo->card_lock, flags); set_current_state(TASK_INTERRUPTIBLE); if (tty_hung_up_p(filp) || @@ -2413,26 +2343,25 @@ block_til_ready(struct tty_struct *tty, struct file *filp, break; } - CY_LOCK(info, flags); + spin_lock_irqsave(&cinfo->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) channel); if (!(info->flags & ASYNC_CLOSING) && (C_CLOCAL(tty) || - (cy_readb(base_addr + + (readb(base_addr + (CyMSVR1 << index)) & CyDCD))) { - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&cinfo->card_lock, flags); break; } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&cinfo->card_lock, flags); if (signal_pending(current)) { retval = -ERESTARTSYS; break; } #ifdef CY_DEBUG_OPEN - printk("cyc block_til_ready blocking: ttyC%d, " - "count = %d\n", - info->line, info->count); - /**/ + printk(KERN_DEBUG "cyc block_til_ready blocking: " + "ttyC%d, count = %d\n", + info->line, info->count); #endif schedule(); } @@ -2446,31 +2375,30 @@ block_til_ready(struct tty_struct *tty, struct file *filp, base_addr = cinfo->base_addr; firm_id = base_addr + ID_ADDRESS; if (!ISZLOADED(*cinfo)) { - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&info->open_wait, &wait); return -EINVAL; } - zfw_ctrl = base_addr + (cy_readl(&firm_id->zfwctrl_addr) & - 0xfffff); + zfw_ctrl = base_addr + (readl(&firm_id->zfwctrl_addr)& 0xfffff); board_ctrl = &zfw_ctrl->board_ctrl; ch_ctrl = zfw_ctrl->ch_ctrl; while (1) { if ((tty->termios->c_cflag & CBAUD)) { cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel]. - rs_control) | (C_RS_RTS | - C_RS_DTR)); - retval = cyz_issue_cmd(&cy_card[info->card], - channel, C_CM_IOCTLM, 0L); + readl(&ch_ctrl[channel].rs_control) | + C_RS_RTS | C_RS_DTR); + retval = cyz_issue_cmd(cinfo, + channel, C_CM_IOCTLM, 0L); if (retval != 0) { - printk("cyc:block_til_ready retval on " - "ttyC%d was %x\n", + printk(KERN_ERR "cyc:block_til_ready " + "retval on ttyC%d was %x\n", info->line, retval); } #ifdef CY_DEBUG_DTR - printk("cyc:block_til_ready raising Z DTR\n"); + printk(KERN_DEBUG "cyc:block_til_ready raising " + "Z DTR\n"); #endif } @@ -2482,7 +2410,7 @@ block_til_ready(struct tty_struct *tty, struct file *filp, break; } if (!(info->flags & ASYNC_CLOSING) && (C_CLOCAL(tty) || - (cy_readl(&ch_ctrl[channel].rs_status) & + (readl(&ch_ctrl[channel].rs_status) & C_RS_DCD))) { break; } @@ -2491,28 +2419,26 @@ block_til_ready(struct tty_struct *tty, struct file *filp, break; } #ifdef CY_DEBUG_OPEN - printk("cyc block_til_ready blocking: ttyC%d, " - "count = %d\n", - info->line, info->count); - /**/ + printk(KERN_DEBUG "cyc block_til_ready blocking: " + "ttyC%d, count = %d\n", + info->line, info->count); #endif schedule(); } } - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&info->open_wait, &wait); if (!tty_hung_up_p(filp)) { info->count++; #ifdef CY_DEBUG_COUNT - printk("cyc:block_til_ready (%d): incrementing count to %d\n", - current->pid, info->count); + printk(KERN_DEBUG "cyc:block_til_ready (%d): incrementing " + "count to %d\n", current->pid, info->count); #endif } info->blocked_open--; #ifdef CY_DEBUG_OPEN - printk("cyc:block_til_ready after blocking: ttyC%d, count = %d\n", - info->line, info->count); - /**/ + printk(KERN_DEBUG "cyc:block_til_ready after blocking: ttyC%d, " + "count = %d\n", info->line, info->count); #endif if (retval) return retval; @@ -2527,13 +2453,20 @@ block_til_ready(struct tty_struct *tty, struct file *filp, static int cy_open(struct tty_struct *tty, struct file *filp) { struct cyclades_port *info; + unsigned int i; int retval, line; line = tty->index; if ((line < 0) || (NR_PORTS <= line)) { return -ENODEV; } - info = &cy_port[line]; + for (i = 0; i < NR_CARDS; i++) + if (line < cy_card[i].first_line + cy_card[i].nports && + line >= cy_card[i].first_line) + break; + if (i >= NR_CARDS) + return -ENODEV; + info = &cy_card[i].ports[line - cy_card[i].first_line]; if (info->line < 0) { return -ENODEV; } @@ -2542,23 +2475,23 @@ static int cy_open(struct tty_struct *tty, struct file *filp) treat it as absent from the system. This will make the user pay attention. */ - if (IS_CYC_Z(cy_card[info->card])) { - struct cyclades_card *cinfo = &cy_card[info->card]; + if (IS_CYC_Z(*info->card)) { + struct cyclades_card *cinfo = info->card; struct FIRM_ID __iomem *firm_id = cinfo->base_addr + ID_ADDRESS; if (!ISZLOADED(*cinfo)) { - if (((ZE_V1 == cy_readl( - &((struct RUNTIME_9060 __iomem *) + if (((ZE_V1 == readl(&((struct RUNTIME_9060 __iomem *) (cinfo->ctl_addr))->mail_box_0)) && Z_FPGA_CHECK(*cinfo)) && - (ZFIRM_HLT == cy_readl( + (ZFIRM_HLT == readl( &firm_id->signature))) { - printk("cyc:Cyclades-Z Error: you need an " - "external power supply for this number " - "of ports.\n\rFirmware halted.\r\n"); + printk(KERN_ERR "cyc:Cyclades-Z Error: you " + "need an external power supply for " + "this number of ports.\nFirmware " + "halted.\n"); } else { - printk("cyc:Cyclades-Z firmware not yet " - "loaded\n"); + printk(KERN_ERR "cyc:Cyclades-Z firmware not " + "yet loaded\n"); } return -ENODEV; } @@ -2572,24 +2505,23 @@ static int cy_open(struct tty_struct *tty, struct file *filp) struct BOARD_CTRL __iomem *board_ctrl; zfw_ctrl = cinfo->base_addr + - (cy_readl(&firm_id->zfwctrl_addr) & - 0xfffff); + (readl(&firm_id->zfwctrl_addr) & + 0xfffff); board_ctrl = &zfw_ctrl->board_ctrl; /* Enable interrupts on the PLX chip */ cy_writew(cinfo->ctl_addr + 0x68, - cy_readw(cinfo->ctl_addr + - 0x68) | 0x0900); + readw(cinfo->ctl_addr + 0x68) | 0x0900); /* Enable interrupts on the FW */ retval = cyz_issue_cmd(cinfo, 0, C_CM_IRQ_ENBL, 0L); if (retval != 0) { - printk("cyc:IRQ enable retval was %x\n", - retval); + printk(KERN_ERR "cyc:IRQ enable retval " + "was %x\n", retval); } cinfo->nports = - (int)cy_readl(&board_ctrl->n_channel); + (int)readl(&board_ctrl->n_channel); cinfo->intr_enabled = 1; } } @@ -2599,7 +2531,7 @@ static int cy_open(struct tty_struct *tty, struct file *filp) return -ENODEV; } #ifdef CY_DEBUG_OTHER - printk("cyc:cy_open ttyC%d\n", info->line); /* */ + printk(KERN_DEBUG "cyc:cy_open ttyC%d\n", info->line); #endif tty->driver_data = info; info->tty = tty; @@ -2607,12 +2539,12 @@ static int cy_open(struct tty_struct *tty, struct file *filp) return -ENODEV; } #ifdef CY_DEBUG_OPEN - printk("cyc:cy_open ttyC%d, count = %d\n", info->line, info->count); - /**/ + printk(KERN_DEBUG "cyc:cy_open ttyC%d, count = %d\n", info->line, + info->count); #endif info->count++; #ifdef CY_DEBUG_COUNT - printk("cyc:cy_open (%d): incrementing count to %d\n", + printk(KERN_DEBUG "cyc:cy_open (%d): incrementing count to %d\n", current->pid, info->count); #endif @@ -2620,8 +2552,8 @@ static int cy_open(struct tty_struct *tty, struct file *filp) * If the port is the middle of closing, bail out now */ if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) { - if (info->flags & ASYNC_CLOSING) - interruptible_sleep_on(&info->close_wait); + wait_event_interruptible(info->close_wait, + !(info->flags & ASYNC_CLOSING)); return (info->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN: -ERESTARTSYS; } @@ -2636,8 +2568,8 @@ static int cy_open(struct tty_struct *tty, struct file *filp) retval = block_til_ready(tty, filp, info); if (retval) { #ifdef CY_DEBUG_OPEN - printk("cyc:cy_open returning after block_til_ready with %d\n", - retval); + printk(KERN_DEBUG "cyc:cy_open returning after block_til_ready " + "with %d\n", retval); #endif return retval; } @@ -2645,8 +2577,7 @@ static int cy_open(struct tty_struct *tty, struct file *filp) info->throttle = 0; #ifdef CY_DEBUG_OPEN - printk(" cyc:cy_open done\n"); - /**/ + printk(KERN_DEBUG "cyc:cy_open done\n"); #endif return 0; } /* cy_open */ @@ -2656,9 +2587,10 @@ static int cy_open(struct tty_struct *tty, struct file *filp) */ static void cy_wait_until_sent(struct tty_struct *tty, int timeout) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_card *card; + struct cyclades_port *info = tty->driver_data; void __iomem *base_addr; - int card, chip, channel, index; + int chip, channel, index; unsigned long orig_jiffies; int char_time; @@ -2697,20 +2629,19 @@ static void cy_wait_until_sent(struct tty_struct *tty, int timeout) if (!timeout || timeout > 2 * info->timeout) timeout = 2 * info->timeout; #ifdef CY_DEBUG_WAIT_UNTIL_SENT - printk("In cy_wait_until_sent(%d) check=%lu...", timeout, char_time); - printk("jiff=%lu...", jiffies); + printk(KERN_DEBUG "In cy_wait_until_sent(%d) check=%d, jiff=%lu...", + timeout, char_time, jiffies); #endif card = info->card; - channel = (info->line) - (cy_card[card].first_line); - if (!IS_CYC_Z(cy_card[card])) { + channel = (info->line) - (card->first_line); + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = - cy_card[card].base_addr + (cy_chip_offset[chip] << index); - while (cy_readb(base_addr + (CySRER << index)) & CyTxRdy) { + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); + while (readb(base_addr + (CySRER << index)) & CyTxRdy) { #ifdef CY_DEBUG_WAIT_UNTIL_SENT - printk("Not clean (jiff=%lu)...", jiffies); + printk(KERN_DEBUG "Not clean (jiff=%lu)...", jiffies); #endif if (msleep_interruptible(jiffies_to_msecs(char_time))) break; @@ -2718,13 +2649,11 @@ static void cy_wait_until_sent(struct tty_struct *tty, int timeout) timeout)) break; } - } else { - /* Nothing to do! */ } /* Run one more char cycle */ msleep_interruptible(jiffies_to_msecs(char_time * 5)); #ifdef CY_DEBUG_WAIT_UNTIL_SENT - printk("Clean (jiff=%lu)...done\n", jiffies); + printk(KERN_DEBUG "Clean (jiff=%lu)...done\n", jiffies); #endif } @@ -2733,25 +2662,29 @@ static void cy_wait_until_sent(struct tty_struct *tty, int timeout) */ static void cy_close(struct tty_struct *tty, struct file *filp) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; + struct cyclades_card *card; unsigned long flags; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_close ttyC%d\n", info->line); + printk(KERN_DEBUG "cyc:cy_close ttyC%d\n", info->line); #endif if (!info || serial_paranoia_check(info, tty->name, "cy_close")) { return; } - CY_LOCK(info, flags); + card = info->card; + + spin_lock_irqsave(&card->card_lock, flags); /* If the TTY is being hung up, nothing to do */ if (tty_hung_up_p(filp)) { - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); return; } #ifdef CY_DEBUG_OPEN - printk("cyc:cy_close ttyC%d, count = %d\n", info->line, info->count); + printk(KERN_DEBUG "cyc:cy_close ttyC%d, count = %d\n", info->line, + info->count); #endif if ((tty->count == 1) && (info->count != 1)) { /* @@ -2761,22 +2694,22 @@ static void cy_close(struct tty_struct *tty, struct file *filp) * one, we've got real problems, since it means the * serial port won't be shutdown. */ - printk("cyc:cy_close: bad serial port count; tty->count is 1, " - "info->count is %d\n", info->count); + printk(KERN_ERR "cyc:cy_close: bad serial port count; " + "tty->count is 1, info->count is %d\n", info->count); info->count = 1; } #ifdef CY_DEBUG_COUNT - printk("cyc:cy_close at (%d): decrementing count to %d\n", + printk(KERN_DEBUG "cyc:cy_close at (%d): decrementing count to %d\n", current->pid, info->count - 1); #endif if (--info->count < 0) { #ifdef CY_DEBUG_COUNT - printk("cyc:cyc_close setting count to 0\n"); + printk(KERN_DEBUG "cyc:cyc_close setting count to 0\n"); #endif info->count = 0; } if (info->count) { - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); return; } info->flags |= ASYNC_CLOSING; @@ -2786,81 +2719,80 @@ static void cy_close(struct tty_struct *tty, struct file *filp) * the line discipline to only process XON/XOFF characters. */ tty->closing = 1; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); if (info->closing_wait != CY_CLOSING_WAIT_NONE) { tty_wait_until_sent(tty, info->closing_wait); } - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); - if (!IS_CYC_Z(cy_card[info->card])) { - int channel = info->line - cy_card[info->card].first_line; - int index = cy_card[info->card].bus_index; - void __iomem *base_addr = cy_card[info->card].base_addr + + if (!IS_CYC_Z(*card)) { + int channel = info->line - card->first_line; + int index = card->bus_index; + void __iomem *base_addr = card->base_addr + (cy_chip_offset[channel >> 2] << index); /* Stop accepting input */ channel &= 0x03; cy_writeb(base_addr + (CyCAR << index), (u_char) channel); cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + (CySRER << index)) & ~CyRxData); + readb(base_addr + (CySRER << index)) & ~CyRxData); if (info->flags & ASYNC_INITIALIZED) { /* Waiting for on-board buffers to be empty before closing the port */ - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); cy_wait_until_sent(tty, info->timeout); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); } } else { #ifdef Z_WAKE /* Waiting for on-board buffers to be empty before closing the port */ - void __iomem *base_addr = cy_card[info->card].base_addr; + void __iomem *base_addr = card->base_addr; struct FIRM_ID __iomem *firm_id = base_addr + ID_ADDRESS; struct ZFW_CTRL __iomem *zfw_ctrl = - base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff); struct CH_CTRL __iomem *ch_ctrl = zfw_ctrl->ch_ctrl; - int channel = info->line - cy_card[info->card].first_line; + int channel = info->line - card->first_line; int retval; - if (cy_readl(&ch_ctrl[channel].flow_status) != C_FS_TXIDLE) { - retval = cyz_issue_cmd(&cy_card[info->card], channel, - C_CM_IOCTLW, 0L); + if (readl(&ch_ctrl[channel].flow_status) != C_FS_TXIDLE) { + retval = cyz_issue_cmd(card, channel, C_CM_IOCTLW, 0L); if (retval != 0) { - printk("cyc:cy_close retval on ttyC%d was %x\n", - info->line, retval); + printk(KERN_DEBUG "cyc:cy_close retval on " + "ttyC%d was %x\n", info->line, retval); } - CY_UNLOCK(info, flags); - interruptible_sleep_on(&info->shutdown_wait); - CY_LOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); + wait_for_completion_interruptible(&info->shutdown_wait); + spin_lock_irqsave(&card->card_lock, flags); } #endif } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); shutdown(info); if (tty->driver->flush_buffer) tty->driver->flush_buffer(tty); tty_ldisc_flush(tty); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); tty->closing = 0; info->event = 0; info->tty = NULL; if (info->blocked_open) { - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); if (info->close_delay) { msleep_interruptible(jiffies_to_msecs (info->close_delay)); } wake_up_interruptible(&info->open_wait); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); } info->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING); wake_up_interruptible(&info->close_wait); #ifdef CY_DEBUG_OTHER - printk(" cyc:cy_close done\n"); + printk(KERN_DEBUG "cyc:cy_close done\n"); #endif - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } /* cy_close */ /* This routine gets called when tty_write has put something into @@ -2878,12 +2810,12 @@ static void cy_close(struct tty_struct *tty, struct file *filp) */ static int cy_write(struct tty_struct *tty, const unsigned char *buf, int count) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; unsigned long flags; int c, ret = 0; #ifdef CY_DEBUG_IO - printk("cyc:cy_write ttyC%d\n", info->line); /* */ + printk(KERN_DEBUG "cyc:cy_write ttyC%d\n", info->line); #endif if (serial_paranoia_check(info, tty->name, "cy_write")) { @@ -2893,7 +2825,7 @@ static int cy_write(struct tty_struct *tty, const unsigned char *buf, int count) if (!info->xmit_buf) return 0; - CY_LOCK(info, flags); + spin_lock_irqsave(&info->card->card_lock, flags); while (1) { c = min(count, min((int)(SERIAL_XMIT_SIZE - info->xmit_cnt - 1), (int)(SERIAL_XMIT_SIZE - info->xmit_head))); @@ -2909,7 +2841,7 @@ static int cy_write(struct tty_struct *tty, const unsigned char *buf, int count) count -= c; ret += c; } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&info->card->card_lock, flags); info->idle_stats.xmit_bytes += ret; info->idle_stats.xmit_idle = jiffies; @@ -2929,11 +2861,11 @@ static int cy_write(struct tty_struct *tty, const unsigned char *buf, int count) */ static void cy_put_char(struct tty_struct *tty, unsigned char ch) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; unsigned long flags; #ifdef CY_DEBUG_IO - printk("cyc:cy_put_char ttyC%d\n", info->line); + printk(KERN_DEBUG "cyc:cy_put_char ttyC%d\n", info->line); #endif if (serial_paranoia_check(info, tty->name, "cy_put_char")) @@ -2942,9 +2874,9 @@ static void cy_put_char(struct tty_struct *tty, unsigned char ch) if (!info->xmit_buf) return; - CY_LOCK(info, flags); + spin_lock_irqsave(&info->card->card_lock, flags); if (info->xmit_cnt >= (int)(SERIAL_XMIT_SIZE - 1)) { - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&info->card->card_lock, flags); return; } @@ -2953,7 +2885,7 @@ static void cy_put_char(struct tty_struct *tty, unsigned char ch) info->xmit_cnt++; info->idle_stats.xmit_bytes++; info->idle_stats.xmit_idle = jiffies; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&info->card->card_lock, flags); } /* cy_put_char */ /* @@ -2962,10 +2894,10 @@ static void cy_put_char(struct tty_struct *tty, unsigned char ch) */ static void cy_flush_chars(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; #ifdef CY_DEBUG_IO - printk("cyc:cy_flush_chars ttyC%d\n", info->line); /* */ + printk(KERN_DEBUG "cyc:cy_flush_chars ttyC%d\n", info->line); #endif if (serial_paranoia_check(info, tty->name, "cy_flush_chars")) @@ -2986,11 +2918,11 @@ static void cy_flush_chars(struct tty_struct *tty) */ static int cy_write_room(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; int ret; #ifdef CY_DEBUG_IO - printk("cyc:cy_write_room ttyC%d\n", info->line); /* */ + printk(KERN_DEBUG "cyc:cy_write_room ttyC%d\n", info->line); #endif if (serial_paranoia_check(info, tty->name, "cy_write_room")) @@ -3003,46 +2935,49 @@ static int cy_write_room(struct tty_struct *tty) static int cy_chars_in_buffer(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - int card, channel; + struct cyclades_card *card; + struct cyclades_port *info = tty->driver_data; + int channel; if (serial_paranoia_check(info, tty->name, "cy_chars_in_buffer")) return 0; card = info->card; - channel = (info->line) - (cy_card[card].first_line); + channel = (info->line) - (card->first_line); #ifdef Z_EXT_CHARS_IN_BUFFER if (!IS_CYC_Z(cy_card[card])) { #endif /* Z_EXT_CHARS_IN_BUFFER */ #ifdef CY_DEBUG_IO - printk("cyc:cy_chars_in_buffer ttyC%d %d\n", info->line, info->xmit_cnt); /* */ + printk(KERN_DEBUG "cyc:cy_chars_in_buffer ttyC%d %d\n", + info->line, info->xmit_cnt); #endif return info->xmit_cnt; #ifdef Z_EXT_CHARS_IN_BUFFER } else { - static volatile struct FIRM_ID *firm_id; - static volatile struct ZFW_CTRL *zfw_ctrl; - static volatile struct CH_CTRL *ch_ctrl; - static volatile struct BUF_CTRL *buf_ctrl; + static struct FIRM_ID *firm_id; + static struct ZFW_CTRL *zfw_ctrl; + static struct CH_CTRL *ch_ctrl; + static struct BUF_CTRL *buf_ctrl; int char_count; - volatile uclong tx_put, tx_get, tx_bufsize; + __u32 tx_put, tx_get, tx_bufsize; - firm_id = cy_card[card].base_addr + ID_ADDRESS; - zfw_ctrl = cy_card[card].base_addr + - (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + firm_id = card->base_addr + ID_ADDRESS; + zfw_ctrl = card->base_addr + + (readl(&firm_id->zfwctrl_addr) & 0xfffff); ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]); buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]); - tx_get = cy_readl(&buf_ctrl->tx_get); - tx_put = cy_readl(&buf_ctrl->tx_put); - tx_bufsize = cy_readl(&buf_ctrl->tx_bufsize); + tx_get = readl(&buf_ctrl->tx_get); + tx_put = readl(&buf_ctrl->tx_put); + tx_bufsize = readl(&buf_ctrl->tx_bufsize); if (tx_put >= tx_get) char_count = tx_put - tx_get; else char_count = tx_put - tx_get + tx_bufsize; #ifdef CY_DEBUG_IO - printk("cyc:cy_chars_in_buffer ttyC%d %d\n", info->line, info->xmit_cnt + char_count); /* */ + printk(KERN_DEBUG "cyc:cy_chars_in_buffer ttyC%d %d\n", + info->line, info->xmit_cnt + char_count); #endif return info->xmit_cnt + char_count; } @@ -3055,10 +2990,10 @@ static int cy_chars_in_buffer(struct tty_struct *tty) * ------------------------------------------------------------ */ -static void cyy_baud_calc(struct cyclades_port *info, uclong baud) +static void cyy_baud_calc(struct cyclades_port *info, __u32 baud) { int co, co_val, bpr; - uclong cy_clock = ((info->chip_rev >= CD1400_REV_J) ? 60000000 : + __u32 cy_clock = ((info->chip_rev >= CD1400_REV_J) ? 60000000 : 25000000); if (baud == 0) { @@ -3086,9 +3021,10 @@ static void cyy_baud_calc(struct cyclades_port *info, uclong baud) */ static void set_line_char(struct cyclades_port *info) { + struct cyclades_card *card; unsigned long flags; void __iomem *base_addr; - int card, chip, channel, index; + int chip, channel, index; unsigned cflag, iflag; unsigned short chip_number; int baud, baud_rate = 0; @@ -3118,12 +3054,12 @@ static void set_line_char(struct cyclades_port *info) } card = info->card; - channel = (info->line) - (cy_card[card].first_line); + channel = info->line - card->first_line; chip_number = channel / 4; - if (!IS_CYC_Z(cy_card[card])) { + if (!IS_CYC_Z(*card)) { - index = cy_card[card].bus_index; + index = card->bus_index; /* baud rate */ baud = tty_get_baud_rate(info->tty); @@ -3241,10 +3177,9 @@ static void set_line_char(struct cyclades_port *info) chip = channel >> 2; channel &= 0x03; - base_addr = cy_card[card].base_addr + - (cy_chip_offset[chip] << index); + base_addr = card->base_addr + (cy_chip_offset[chip] << index); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) channel); /* tx and rx baud rate */ @@ -3276,8 +3211,7 @@ static void set_line_char(struct cyclades_port *info) if (C_CLOCAL(info->tty)) { /* without modem intr */ cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + - (CySRER << index)) | CyMdmCh); + readb(base_addr + (CySRER << index)) | CyMdmCh); /* act on 1->0 modem transitions */ if ((cflag & CRTSCTS) && info->rflow) { cy_writeb(base_addr + (CyMCOR1 << index), @@ -3291,7 +3225,7 @@ static void set_line_char(struct cyclades_port *info) } else { /* without modem intr */ cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + + readb(base_addr + (CySRER << index)) | CyMdmCh); /* act on 1->0 modem transitions */ if ((cflag & CRTSCTS) && info->rflow) { @@ -3316,10 +3250,10 @@ static void set_line_char(struct cyclades_port *info) ~CyDTR); } #ifdef CY_DEBUG_DTR - printk("cyc:set_line_char dropping DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr + (CyMSVR1 << index)), - cy_readb(base_addr + (CyMSVR2 << index))); + printk(KERN_DEBUG "cyc:set_line_char dropping DTR\n"); + printk(KERN_DEBUG " status: 0x%x, 0x%x\n", + readb(base_addr + (CyMSVR1 << index)), + readb(base_addr + (CyMSVR2 << index))); #endif } else { if (info->rtsdtr_inv) { @@ -3330,17 +3264,17 @@ static void set_line_char(struct cyclades_port *info) CyDTR); } #ifdef CY_DEBUG_DTR - printk("cyc:set_line_char raising DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr + (CyMSVR1 << index)), - cy_readb(base_addr + (CyMSVR2 << index))); + printk(KERN_DEBUG "cyc:set_line_char raising DTR\n"); + printk(KERN_DEBUG " status: 0x%x, 0x%x\n", + readb(base_addr + (CyMSVR1 << index)), + readb(base_addr + (CyMSVR2 << index))); #endif } if (info->tty) { clear_bit(TTY_IO_ERROR, &info->tty->flags); } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } else { struct FIRM_ID __iomem *firm_id; @@ -3348,16 +3282,16 @@ static void set_line_char(struct cyclades_port *info) struct BOARD_CTRL __iomem *board_ctrl; struct CH_CTRL __iomem *ch_ctrl; struct BUF_CTRL __iomem *buf_ctrl; - uclong sw_flow; + __u32 sw_flow; int retval; - firm_id = cy_card[card].base_addr + ID_ADDRESS; - if (!ISZLOADED(cy_card[card])) { + firm_id = card->base_addr + ID_ADDRESS; + if (!ISZLOADED(*card)) { return; } - zfw_ctrl = cy_card[card].base_addr + - (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + zfw_ctrl = card->base_addr + + (readl(&firm_id->zfwctrl_addr) & 0xfffff); board_ctrl = &zfw_ctrl->board_ctrl; ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]); buf_ctrl = &zfw_ctrl->buf_ctrl[channel]; @@ -3408,10 +3342,10 @@ static void set_line_char(struct cyclades_port *info) } if (cflag & CSTOPB) { cy_writel(&ch_ctrl->comm_data_l, - cy_readl(&ch_ctrl->comm_data_l) | C_DL_2STOP); + readl(&ch_ctrl->comm_data_l) | C_DL_2STOP); } else { cy_writel(&ch_ctrl->comm_data_l, - cy_readl(&ch_ctrl->comm_data_l) | C_DL_1STOP); + readl(&ch_ctrl->comm_data_l) | C_DL_1STOP); } if (cflag & PARENB) { if (cflag & PARODD) { @@ -3426,12 +3360,10 @@ static void set_line_char(struct cyclades_port *info) /* CTS flow control flag */ if (cflag & CRTSCTS) { cy_writel(&ch_ctrl->hw_flow, - cy_readl(&ch_ctrl-> - hw_flow) | C_RS_CTS | C_RS_RTS); + readl(&ch_ctrl->hw_flow) | C_RS_CTS | C_RS_RTS); } else { - cy_writel(&ch_ctrl->hw_flow, - cy_readl(&ch_ctrl-> - hw_flow) & ~(C_RS_CTS | C_RS_RTS)); + cy_writel(&ch_ctrl->hw_flow, readl(&ch_ctrl->hw_flow) & + ~(C_RS_CTS | C_RS_RTS)); } /* As the HW flow control is done in firmware, the driver doesn't need to care about it */ @@ -3446,10 +3378,10 @@ static void set_line_char(struct cyclades_port *info) } cy_writel(&ch_ctrl->sw_flow, sw_flow); - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTL, 0L); + retval = cyz_issue_cmd(card, channel, C_CM_IOCTL, 0L); if (retval != 0) { - printk("cyc:set_line_char retval on ttyC%d was %x\n", - info->line, retval); + printk(KERN_ERR "cyc:set_line_char retval on ttyC%d " + "was %x\n", info->line, retval); } /* CD sensitivity */ @@ -3461,22 +3393,22 @@ static void set_line_char(struct cyclades_port *info) if (baud == 0) { /* baud rate is zero, turn off line */ cy_writel(&ch_ctrl->rs_control, - cy_readl(&ch_ctrl->rs_control) & ~C_RS_DTR); + readl(&ch_ctrl->rs_control) & ~C_RS_DTR); #ifdef CY_DEBUG_DTR - printk("cyc:set_line_char dropping Z DTR\n"); + printk(KERN_DEBUG "cyc:set_line_char dropping Z DTR\n"); #endif } else { cy_writel(&ch_ctrl->rs_control, - cy_readl(&ch_ctrl->rs_control) | C_RS_DTR); + readl(&ch_ctrl->rs_control) | C_RS_DTR); #ifdef CY_DEBUG_DTR - printk("cyc:set_line_char raising Z DTR\n"); + printk(KERN_DEBUG "cyc:set_line_char raising Z DTR\n"); #endif } - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTLM,0L); + retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM,0L); if (retval != 0) { - printk("cyc:set_line_char(2) retval on ttyC%d was %x\n", - info->line, retval); + printk(KERN_ERR "cyc:set_line_char(2) retval on ttyC%d " + "was %x\n", info->line, retval); } if (info->tty) { @@ -3490,14 +3422,15 @@ get_serial_info(struct cyclades_port *info, struct serial_struct __user * retinfo) { struct serial_struct tmp; - struct cyclades_card *cinfo = &cy_card[info->card]; + struct cyclades_card *cinfo = info->card; if (!retinfo) return -EFAULT; memset(&tmp, 0, sizeof(tmp)); tmp.type = info->type; tmp.line = info->line; - tmp.port = info->card * 0x100 + info->line - cinfo->first_line; + tmp.port = (info->card - cy_card) * 0x100 + info->line - + cinfo->first_line; tmp.irq = cinfo->irq; tmp.flags = info->flags; tmp.close_delay = info->close_delay; @@ -3566,25 +3499,25 @@ check_and_exit: */ static int get_lsr_info(struct cyclades_port *info, unsigned int __user * value) { - int card, chip, channel, index; + struct cyclades_card *card; + int chip, channel, index; unsigned char status; unsigned int result; unsigned long flags; void __iomem *base_addr; card = info->card; - channel = (info->line) - (cy_card[card].first_line); - if (!IS_CYC_Z(cy_card[card])) { + channel = (info->line) - (card->first_line); + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = - cy_card[card].base_addr + (cy_chip_offset[chip] << index); + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); - CY_LOCK(info, flags); - status = cy_readb(base_addr + (CySRER << index)) & + spin_lock_irqsave(&card->card_lock, flags); + status = readb(base_addr + (CySRER << index)) & (CyTxRdy | CyTxMpty); - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); result = (status ? 0 : TIOCSER_TEMT); } else { /* Not supported yet */ @@ -3595,8 +3528,9 @@ static int get_lsr_info(struct cyclades_port *info, unsigned int __user * value) static int cy_tiocmget(struct tty_struct *tty, struct file *file) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - int card, chip, channel, index; + struct cyclades_port *info = tty->driver_data; + struct cyclades_card *card; + int chip, channel, index; void __iomem *base_addr; unsigned long flags; unsigned char status; @@ -3611,19 +3545,18 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file) return -ENODEV; card = info->card; - channel = (info->line) - (cy_card[card].first_line); - if (!IS_CYC_Z(cy_card[card])) { + channel = info->line - card->first_line; + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = - cy_card[card].base_addr + (cy_chip_offset[chip] << index); + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) channel); - status = cy_readb(base_addr + (CyMSVR1 << index)); - status |= cy_readb(base_addr + (CyMSVR2 << index)); - CY_UNLOCK(info, flags); + status = readb(base_addr + (CyMSVR1 << index)); + status |= readb(base_addr + (CyMSVR2 << index)); + spin_unlock_irqrestore(&card->card_lock, flags); if (info->rtsdtr_inv) { result = ((status & CyRTS) ? TIOCM_DTR : 0) | @@ -3637,19 +3570,14 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file) ((status & CyDSR) ? TIOCM_DSR : 0) | ((status & CyCTS) ? TIOCM_CTS : 0); } else { - base_addr = cy_card[card].base_addr; - - if (cy_card[card].num_chips != -1) { - return -EINVAL; - } - - firm_id = cy_card[card].base_addr + ID_ADDRESS; - if (ISZLOADED(cy_card[card])) { - zfw_ctrl = cy_card[card].base_addr + - (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + base_addr = card->base_addr; + firm_id = card->base_addr + ID_ADDRESS; + if (ISZLOADED(*card)) { + zfw_ctrl = card->base_addr + + (readl(&firm_id->zfwctrl_addr) & 0xfffff); board_ctrl = &zfw_ctrl->board_ctrl; ch_ctrl = zfw_ctrl->ch_ctrl; - lstatus = cy_readl(&ch_ctrl[channel].rs_status); + lstatus = readl(&ch_ctrl[channel].rs_status); result = ((lstatus & C_RS_RTS) ? TIOCM_RTS : 0) | ((lstatus & C_RS_DTR) ? TIOCM_DTR : 0) | ((lstatus & C_RS_DCD) ? TIOCM_CAR : 0) | @@ -3669,8 +3597,9 @@ static int cy_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - int card, chip, channel, index; + struct cyclades_port *info = tty->driver_data; + struct cyclades_card *card; + int chip, channel, index; void __iomem *base_addr; unsigned long flags; struct FIRM_ID __iomem *firm_id; @@ -3683,16 +3612,15 @@ cy_tiocmset(struct tty_struct *tty, struct file *file, return -ENODEV; card = info->card; - channel = (info->line) - (cy_card[card].first_line); - if (!IS_CYC_Z(cy_card[card])) { + channel = (info->line) - (card->first_line); + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = - cy_card[card].base_addr + (cy_chip_offset[chip] << index); + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); if (set & TIOCM_RTS) { - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) channel); if (info->rtsdtr_inv) { @@ -3702,10 +3630,10 @@ cy_tiocmset(struct tty_struct *tty, struct file *file, cy_writeb(base_addr + (CyMSVR1 << index), CyRTS); } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } if (clear & TIOCM_RTS) { - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) channel); if (info->rtsdtr_inv) { @@ -3715,10 +3643,10 @@ cy_tiocmset(struct tty_struct *tty, struct file *file, cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS); } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } if (set & TIOCM_DTR) { - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) channel); if (info->rtsdtr_inv) { @@ -3729,15 +3657,15 @@ cy_tiocmset(struct tty_struct *tty, struct file *file, CyDTR); } #ifdef CY_DEBUG_DTR - printk("cyc:set_modem_info raising DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr + (CyMSVR1 << index)), - cy_readb(base_addr + (CyMSVR2 << index))); + printk(KERN_DEBUG "cyc:set_modem_info raising DTR\n"); + printk(KERN_DEBUG " status: 0x%x, 0x%x\n", + readb(base_addr + (CyMSVR1 << index)), + readb(base_addr + (CyMSVR2 << index))); #endif - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } if (clear & TIOCM_DTR) { - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) channel); if (info->rtsdtr_inv) { @@ -3749,68 +3677,69 @@ cy_tiocmset(struct tty_struct *tty, struct file *file, } #ifdef CY_DEBUG_DTR - printk("cyc:set_modem_info dropping DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr + (CyMSVR1 << index)), - cy_readb(base_addr + (CyMSVR2 << index))); + printk(KERN_DEBUG "cyc:set_modem_info dropping DTR\n"); + printk(KERN_DEBUG " status: 0x%x, 0x%x\n", + readb(base_addr + (CyMSVR1 << index)), + readb(base_addr + (CyMSVR2 << index))); #endif - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } } else { - base_addr = cy_card[card].base_addr; + base_addr = card->base_addr; - firm_id = cy_card[card].base_addr + ID_ADDRESS; - if (ISZLOADED(cy_card[card])) { - zfw_ctrl = cy_card[card].base_addr + - (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + firm_id = card->base_addr + ID_ADDRESS; + if (ISZLOADED(*card)) { + zfw_ctrl = card->base_addr + + (readl(&firm_id->zfwctrl_addr) & 0xfffff); board_ctrl = &zfw_ctrl->board_ctrl; ch_ctrl = zfw_ctrl->ch_ctrl; if (set & TIOCM_RTS) { - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel]. - rs_control) | C_RS_RTS); - CY_UNLOCK(info, flags); + readl(&ch_ctrl[channel].rs_control) | + C_RS_RTS); + spin_unlock_irqrestore(&card->card_lock, flags); } if (clear & TIOCM_RTS) { - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel]. - rs_control) & ~C_RS_RTS); - CY_UNLOCK(info, flags); + readl(&ch_ctrl[channel].rs_control) & + ~C_RS_RTS); + spin_unlock_irqrestore(&card->card_lock, flags); } if (set & TIOCM_DTR) { - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel]. - rs_control) | C_RS_DTR); + readl(&ch_ctrl[channel].rs_control) | + C_RS_DTR); #ifdef CY_DEBUG_DTR - printk("cyc:set_modem_info raising Z DTR\n"); + printk(KERN_DEBUG "cyc:set_modem_info raising " + "Z DTR\n"); #endif - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } if (clear & TIOCM_DTR) { - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel]. - rs_control) & ~C_RS_DTR); + readl(&ch_ctrl[channel].rs_control) & + ~C_RS_DTR); #ifdef CY_DEBUG_DTR - printk("cyc:set_modem_info clearing Z DTR\n"); + printk(KERN_DEBUG "cyc:set_modem_info clearing " + "Z DTR\n"); #endif - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } } else { return -ENODEV; } - CY_LOCK(info, flags); - retval = cyz_issue_cmd(&cy_card[info->card], - channel, C_CM_IOCTLM, 0L); + spin_lock_irqsave(&card->card_lock, flags); + retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM, 0L); if (retval != 0) { - printk("cyc:set_modem_info retval on ttyC%d was %x\n", - info->line, retval); + printk(KERN_ERR "cyc:set_modem_info retval on ttyC%d " + "was %x\n", info->line, retval); } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } return 0; } /* cy_tiocmset */ @@ -3820,14 +3749,17 @@ cy_tiocmset(struct tty_struct *tty, struct file *file, */ static void cy_break(struct tty_struct *tty, int break_state) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; + struct cyclades_card *card; unsigned long flags; if (serial_paranoia_check(info, tty->name, "cy_break")) return; - CY_LOCK(info, flags); - if (!IS_CYC_Z(cy_card[info->card])) { + card = info->card; + + spin_lock_irqsave(&card->card_lock, flags); + if (!IS_CYC_Z(*card)) { /* Let the transmit ISR take care of this (since it requires stuffing characters into the output stream). */ @@ -3835,18 +3767,18 @@ static void cy_break(struct tty_struct *tty, int break_state) if (!info->breakon) { info->breakon = 1; if (!info->xmit_cnt) { - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); start_xmit(info); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); } } } else { if (!info->breakoff) { info->breakoff = 1; if (!info->xmit_cnt) { - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); start_xmit(info); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); } } } @@ -3854,24 +3786,25 @@ static void cy_break(struct tty_struct *tty, int break_state) int retval; if (break_state == -1) { - retval = cyz_issue_cmd(&cy_card[info->card], - info->line - cy_card[info->card].first_line, + retval = cyz_issue_cmd(card, + info->line - card->first_line, C_CM_SET_BREAK, 0L); if (retval != 0) { - printk("cyc:cy_break (set) retval on ttyC%d " - "was %x\n", info->line, retval); + printk(KERN_ERR "cyc:cy_break (set) retval on " + "ttyC%d was %x\n", info->line, retval); } } else { - retval = cyz_issue_cmd(&cy_card[info->card], - info->line - cy_card[info->card].first_line, + retval = cyz_issue_cmd(card, + info->line - card->first_line, C_CM_CLR_BREAK, 0L); if (retval != 0) { - printk("cyc:cy_break (clr) retval on ttyC%d " - "was %x\n", info->line, retval); + printk(KERN_DEBUG "cyc:cy_break (clr) retval " + "on ttyC%d was %x\n", info->line, + retval); } } } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } /* cy_break */ static int @@ -3889,28 +3822,27 @@ get_mon_info(struct cyclades_port *info, struct cyclades_monitor __user * mon) static int set_threshold(struct cyclades_port *info, unsigned long value) { + struct cyclades_card *card; void __iomem *base_addr; - int card, channel, chip, index; + int channel, chip, index; unsigned long flags; card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { + channel = info->line - card->first_line; + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; + index = card->bus_index; base_addr = - cy_card[card].base_addr + (cy_chip_offset[chip] << index); + card->base_addr + (cy_chip_offset[chip] << index); info->cor3 &= ~CyREC_FIFO; info->cor3 |= value & CyREC_FIFO; - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCOR3 << index), info->cor3); cyy_issue_cmd(base_addr, CyCOR_CHANGE | CyCOR3ch, index); - CY_UNLOCK(info, flags); - } else { - /* Nothing to do! */ + spin_unlock_irqrestore(&card->card_lock, flags); } return 0; } /* set_threshold */ @@ -3918,25 +3850,23 @@ static int set_threshold(struct cyclades_port *info, unsigned long value) static int get_threshold(struct cyclades_port *info, unsigned long __user * value) { + struct cyclades_card *card; void __iomem *base_addr; - int card, channel, chip, index; + int channel, chip, index; unsigned long tmp; card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { + channel = info->line - card->first_line; + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = - cy_card[card].base_addr + (cy_chip_offset[chip] << index); + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); - tmp = cy_readb(base_addr + (CyCOR3 << index)) & CyREC_FIFO; + tmp = readb(base_addr + (CyCOR3 << index)) & CyREC_FIFO; return put_user(tmp, value); - } else { - /* Nothing to do! */ - return 0; } + return 0; } /* get_threshold */ static int @@ -3954,49 +3884,45 @@ get_default_threshold(struct cyclades_port *info, unsigned long __user * value) static int set_timeout(struct cyclades_port *info, unsigned long value) { + struct cyclades_card *card; void __iomem *base_addr; - int card, channel, chip, index; + int channel, chip, index; unsigned long flags; card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { + channel = info->line - card->first_line; + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = - cy_card[card].base_addr + (cy_chip_offset[chip] << index); + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyRTPR << index), value & 0xff); - CY_UNLOCK(info, flags); - } else { - /* Nothing to do! */ + spin_unlock_irqrestore(&card->card_lock, flags); } return 0; } /* set_timeout */ static int get_timeout(struct cyclades_port *info, unsigned long __user * value) { + struct cyclades_card *card; void __iomem *base_addr; - int card, channel, chip, index; + int channel, chip, index; unsigned long tmp; card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { + channel = info->line - card->first_line; + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = - cy_card[card].base_addr + (cy_chip_offset[chip] << index); + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); - tmp = cy_readb(base_addr + (CyRTPR << index)); + tmp = readb(base_addr + (CyRTPR << index)); return put_user(tmp, value); - } else { - /* Nothing to do! */ - return 0; } + return 0; } /* get_timeout */ static int set_default_timeout(struct cyclades_port *info, unsigned long value) @@ -4020,7 +3946,7 @@ static int cy_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; struct cyclades_icount cprev, cnow; /* kernel counter temps */ struct serial_icounter_struct __user *p_cuser; /* user space */ int ret_val = 0; @@ -4031,7 +3957,8 @@ cy_ioctl(struct tty_struct *tty, struct file *file, return -ENODEV; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_ioctl ttyC%d, cmd = %x arg = %lx\n", info->line, cmd, arg); /* */ + printk(KERN_DEBUG "cyc:cy_ioctl ttyC%d, cmd = %x arg = %lx\n", + info->line, cmd, arg); #endif switch (cmd) { @@ -4076,14 +4003,6 @@ cy_ioctl(struct tty_struct *tty, struct file *file, case CYGETRTSDTR_INV: ret_val = info->rtsdtr_inv; break; - case CYGETCARDINFO: - if (copy_to_user(argp, &cy_card[info->card], - sizeof(struct cyclades_card))) { - ret_val = -EFAULT; - break; - } - ret_val = 0; - break; case CYGETCD1400VER: ret_val = info->chip_rev; break; @@ -4119,34 +4038,22 @@ cy_ioctl(struct tty_struct *tty, struct file *file, * Caller should use TIOCGICOUNT to see which one it was */ case TIOCMIWAIT: - CY_LOCK(info, flags); + spin_lock_irqsave(&info->card->card_lock, flags); /* note the counters on entry */ - cprev = info->icount; - CY_UNLOCK(info, flags); - while (1) { - interruptible_sleep_on(&info->delta_msr_wait); - /* see if a signal did it */ - if (signal_pending(current)) { - return -ERESTARTSYS; - } - - CY_LOCK(info, flags); + cnow = info->icount; + spin_unlock_irqrestore(&info->card->card_lock, flags); + ret_val = wait_event_interruptible(info->delta_msr_wait, ({ + cprev = cnow; + spin_lock_irqsave(&info->card->card_lock, flags); cnow = info->icount; /* atomic copy */ - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&info->card->card_lock, flags); - if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && - cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) { - return -EIO; /* no change => error */ - } - if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || - ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || - ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || - ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) { - return 0; - } - cprev = cnow; - } - /* NOTREACHED */ + ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || + ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || + ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || + ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)); + })); + break; /* * Get counter of input serial line interrupts (DCD,RI,DSR,CTS) @@ -4155,9 +4062,9 @@ cy_ioctl(struct tty_struct *tty, struct file *file, * RI where only 0->1 is counted. */ case TIOCGICOUNT: - CY_LOCK(info, flags); + spin_lock_irqsave(&info->card->card_lock, flags); cnow = info->icount; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&info->card->card_lock, flags); p_cuser = argp; ret_val = put_user(cnow.cts, &p_cuser->cts); if (ret_val) @@ -4199,7 +4106,7 @@ cy_ioctl(struct tty_struct *tty, struct file *file, } #ifdef CY_DEBUG_OTHER - printk(" cyc:cy_ioctl done\n"); + printk(KERN_DEBUG "cyc:cy_ioctl done\n"); #endif return ret_val; @@ -4213,10 +4120,10 @@ cy_ioctl(struct tty_struct *tty, struct file *file, */ static void cy_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_set_termios ttyC%d\n", info->line); + printk(KERN_DEBUG "cyc:cy_set_termios ttyC%d\n", info->line); #endif if (tty->termios->c_cflag == old_termios->c_cflag && @@ -4248,8 +4155,9 @@ static void cy_set_termios(struct tty_struct *tty, struct ktermios *old_termios) */ static void cy_send_xchar(struct tty_struct *tty, char ch) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - int card, channel; + struct cyclades_port *info = tty->driver_data; + struct cyclades_card *card; + int channel; if (serial_paranoia_check(info, tty->name, "cy_send_xchar")) return; @@ -4260,15 +4168,13 @@ static void cy_send_xchar(struct tty_struct *tty, char ch) cy_start(tty); card = info->card; - channel = info->line - cy_card[card].first_line; + channel = info->line - card->first_line; - if (IS_CYC_Z(cy_card[card])) { + if (IS_CYC_Z(*card)) { if (ch == STOP_CHAR(tty)) - cyz_issue_cmd(&cy_card[card], channel, C_CM_SENDXOFF, - 0L); + cyz_issue_cmd(card, channel, C_CM_SENDXOFF, 0L); else if (ch == START_CHAR(tty)) - cyz_issue_cmd(&cy_card[card], channel, C_CM_SENDXON, - 0L); + cyz_issue_cmd(card, channel, C_CM_SENDXON, 0L); } } @@ -4278,15 +4184,16 @@ static void cy_send_xchar(struct tty_struct *tty, char ch) */ static void cy_throttle(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; + struct cyclades_card *card; unsigned long flags; void __iomem *base_addr; - int card, chip, channel, index; + int chip, channel, index; #ifdef CY_DEBUG_THROTTLE char buf[64]; - printk("cyc:throttle %s: %d....ttyC%d\n", tty_name(tty, buf), + printk(KERN_DEBUG "cyc:throttle %s: %ld...ttyC%d\n", tty_name(tty, buf), tty->ldisc.chars_in_buffer(tty), info->line); #endif @@ -4297,22 +4204,22 @@ static void cy_throttle(struct tty_struct *tty) card = info->card; if (I_IXOFF(tty)) { - if (!IS_CYC_Z(cy_card[card])) + if (!IS_CYC_Z(*card)) cy_send_xchar(tty, STOP_CHAR(tty)); else info->throttle = 1; } if (tty->termios->c_cflag & CRTSCTS) { - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { + channel = info->line - card->first_line; + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) channel); if (info->rtsdtr_inv) { @@ -4322,7 +4229,7 @@ static void cy_throttle(struct tty_struct *tty) cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS); } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } else { info->throttle = 1; } @@ -4336,16 +4243,17 @@ static void cy_throttle(struct tty_struct *tty) */ static void cy_unthrottle(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; + struct cyclades_card *card; unsigned long flags; void __iomem *base_addr; - int card, chip, channel, index; + int chip, channel, index; #ifdef CY_DEBUG_THROTTLE char buf[64]; - printk("cyc:unthrottle %s: %d....ttyC%d\n", tty_name(tty, buf), - tty->ldisc.chars_in_buffer(tty), info->line); + printk(KERN_DEBUG "cyc:unthrottle %s: %ld...ttyC%d\n", + tty_name(tty, buf), tty->ldisc.chars_in_buffer(tty),info->line); #endif if (serial_paranoia_check(info, tty->name, "cy_unthrottle")) { @@ -4361,15 +4269,15 @@ static void cy_unthrottle(struct tty_struct *tty) if (tty->termios->c_cflag & CRTSCTS) { card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { + channel = info->line - card->first_line; + if (!IS_CYC_Z(*card)) { chip = channel >> 2; channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + + index = card->bus_index; + base_addr = card->base_addr + (cy_chip_offset[chip] << index); - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) channel); if (info->rtsdtr_inv) { @@ -4379,7 +4287,7 @@ static void cy_unthrottle(struct tty_struct *tty) cy_writeb(base_addr + (CyMSVR1 << index), CyRTS); } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } else { info->throttle = 0; } @@ -4392,102 +4300,96 @@ static void cy_unthrottle(struct tty_struct *tty) static void cy_stop(struct tty_struct *tty) { struct cyclades_card *cinfo; - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; void __iomem *base_addr; int chip, channel, index; unsigned long flags; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_stop ttyC%d\n", info->line); /* */ + printk(KERN_DEBUG "cyc:cy_stop ttyC%d\n", info->line); #endif if (serial_paranoia_check(info, tty->name, "cy_stop")) return; - cinfo = &cy_card[info->card]; + cinfo = info->card; channel = info->line - cinfo->first_line; if (!IS_CYC_Z(*cinfo)) { index = cinfo->bus_index; chip = channel >> 2; channel &= 0x03; - base_addr = cy_card[info->card].base_addr + - (cy_chip_offset[chip] << index); + base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index); - CY_LOCK(info, flags); + spin_lock_irqsave(&cinfo->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char)(channel & 0x0003)); /* index channel */ cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + (CySRER << index)) & ~CyTxRdy); - CY_UNLOCK(info, flags); - } else { - /* Nothing to do! */ + readb(base_addr + (CySRER << index)) & ~CyTxRdy); + spin_unlock_irqrestore(&cinfo->card_lock, flags); } } /* cy_stop */ static void cy_start(struct tty_struct *tty) { struct cyclades_card *cinfo; - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; void __iomem *base_addr; int chip, channel, index; unsigned long flags; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_start ttyC%d\n", info->line); /* */ + printk(KERN_DEBUG "cyc:cy_start ttyC%d\n", info->line); #endif if (serial_paranoia_check(info, tty->name, "cy_start")) return; - cinfo = &cy_card[info->card]; + cinfo = info->card; channel = info->line - cinfo->first_line; index = cinfo->bus_index; if (!IS_CYC_Z(*cinfo)) { chip = channel >> 2; channel &= 0x03; - base_addr = cy_card[info->card].base_addr + - (cy_chip_offset[chip] << index); + base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index); - CY_LOCK(info, flags); + spin_lock_irqsave(&cinfo->card_lock, flags); cy_writeb(base_addr + (CyCAR << index), (u_char) (channel & 0x0003)); /* index channel */ cy_writeb(base_addr + (CySRER << index), - cy_readb(base_addr + (CySRER << index)) | CyTxRdy); - CY_UNLOCK(info, flags); - } else { - /* Nothing to do! */ + readb(base_addr + (CySRER << index)) | CyTxRdy); + spin_unlock_irqrestore(&cinfo->card_lock, flags); } } /* cy_start */ static void cy_flush_buffer(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - int card, channel, retval; + struct cyclades_port *info = tty->driver_data; + struct cyclades_card *card; + int channel, retval; unsigned long flags; #ifdef CY_DEBUG_IO - printk("cyc:cy_flush_buffer ttyC%d\n", info->line); /* */ + printk(KERN_DEBUG "cyc:cy_flush_buffer ttyC%d\n", info->line); #endif if (serial_paranoia_check(info, tty->name, "cy_flush_buffer")) return; card = info->card; - channel = (info->line) - (cy_card[card].first_line); + channel = info->line - card->first_line; - CY_LOCK(info, flags); + spin_lock_irqsave(&card->card_lock, flags); info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); - if (IS_CYC_Z(cy_card[card])) { /* If it is a Z card, flush the on-board + if (IS_CYC_Z(*card)) { /* If it is a Z card, flush the on-board buffers as well */ - CY_LOCK(info, flags); - retval = - cyz_issue_cmd(&cy_card[card], channel, C_CM_FLUSH_TX, 0L); + spin_lock_irqsave(&card->card_lock, flags); + retval = cyz_issue_cmd(card, channel, C_CM_FLUSH_TX, 0L); if (retval != 0) { - printk("cyc: flush_buffer retval on ttyC%d was %x\n", - info->line, retval); + printk(KERN_ERR "cyc: flush_buffer retval on ttyC%d " + "was %x\n", info->line, retval); } - CY_UNLOCK(info, flags); + spin_unlock_irqrestore(&card->card_lock, flags); } tty_wakeup(tty); } /* cy_flush_buffer */ @@ -4497,10 +4399,10 @@ static void cy_flush_buffer(struct tty_struct *tty) */ static void cy_hangup(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = tty->driver_data; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_hangup ttyC%d\n", info->line); /* */ + printk(KERN_DEBUG "cyc:cy_hangup ttyC%d\n", info->line); #endif if (serial_paranoia_check(info, tty->name, "cy_hangup")) @@ -4511,7 +4413,8 @@ static void cy_hangup(struct tty_struct *tty) info->event = 0; info->count = 0; #ifdef CY_DEBUG_COUNT - printk("cyc:cy_hangup (%d): setting count to 0\n", current->pid); + printk(KERN_DEBUG "cyc:cy_hangup (%d): setting count to 0\n", + current->pid); #endif info->tty = NULL; info->flags &= ~ASYNC_NORMAL_ACTIVE; @@ -4526,10 +4429,107 @@ static void cy_hangup(struct tty_struct *tty) * --------------------------------------------------------------------- */ +static int __devinit cy_init_card(struct cyclades_card *cinfo) +{ + struct cyclades_port *info; + u32 mailbox; + unsigned int nports; + unsigned short chip_number; + int index, port; + + spin_lock_init(&cinfo->card_lock); + + if (IS_CYC_Z(*cinfo)) { /* Cyclades-Z */ + mailbox = readl(&((struct RUNTIME_9060 __iomem *) + cinfo->ctl_addr)->mail_box_0); + nports = (mailbox == ZE_V1) ? ZE_V1_NPORTS : 8; + cinfo->intr_enabled = 0; + cinfo->nports = 0; /* Will be correctly set later, after + Z FW is loaded */ + } else { + index = cinfo->bus_index; + nports = cinfo->nports = CyPORTS_PER_CHIP * cinfo->num_chips; + } + + cinfo->ports = kzalloc(sizeof(*cinfo->ports) * nports, GFP_KERNEL); + if (cinfo->ports == NULL) { + printk(KERN_ERR "Cyclades: cannot allocate ports\n"); + cinfo->nports = 0; + return -ENOMEM; + } + + for (port = cinfo->first_line; port < cinfo->first_line + nports; + port++) { + info = &cinfo->ports[port - cinfo->first_line]; + info->magic = CYCLADES_MAGIC; + info->card = cinfo; + info->line = port; + info->flags = STD_COM_FLAGS; + info->closing_wait = CLOSING_WAIT_DELAY; + info->close_delay = 5 * HZ / 10; + + INIT_WORK(&info->tqueue, do_softint); + init_waitqueue_head(&info->open_wait); + init_waitqueue_head(&info->close_wait); + init_completion(&info->shutdown_wait); + init_waitqueue_head(&info->delta_msr_wait); + + if (IS_CYC_Z(*cinfo)) { + info->type = PORT_STARTECH; + if (mailbox == ZO_V1) + info->xmit_fifo_size = CYZ_FIFO_SIZE; + else + info->xmit_fifo_size = 4 * CYZ_FIFO_SIZE; +#ifdef CONFIG_CYZ_INTR + setup_timer(&cyz_rx_full_timer[port], + cyz_rx_restart, (unsigned long)info); +#endif + } else { + info->type = PORT_CIRRUS; + info->xmit_fifo_size = CyMAX_CHAR_FIFO; + info->cor1 = CyPARITY_NONE | Cy_1_STOP | Cy_8_BITS; + info->cor2 = CyETC; + info->cor3 = 0x08; /* _very_ small rcv threshold */ + + chip_number = (port - cinfo->first_line) / 4; + if ((info->chip_rev = readb(cinfo->base_addr + + (cy_chip_offset[chip_number] << + index) + (CyGFRCR << index))) >= + CD1400_REV_J) { + /* It is a CD1400 rev. J or later */ + info->tbpr = baud_bpr_60[13]; /* Tx BPR */ + info->tco = baud_co_60[13]; /* Tx CO */ + info->rbpr = baud_bpr_60[13]; /* Rx BPR */ + info->rco = baud_co_60[13]; /* Rx CO */ + info->rtsdtr_inv = 1; + } else { + info->tbpr = baud_bpr_25[13]; /* Tx BPR */ + info->tco = baud_co_25[13]; /* Tx CO */ + info->rbpr = baud_bpr_25[13]; /* Rx BPR */ + info->rco = baud_co_25[13]; /* Rx CO */ + info->rtsdtr_inv = 0; + } + info->read_status_mask = CyTIMEOUT | CySPECHAR | + CyBREAK | CyPARITY | CyFRAME | CyOVERRUN; + } + + } + +#ifndef CONFIG_CYZ_INTR + if (IS_CYC_Z(*cinfo) && !timer_pending(&cyz_timerlist)) { + mod_timer(&cyz_timerlist, jiffies + 1); +#ifdef CY_PCI_DEBUG + printk(KERN_DEBUG "Cyclades-Z polling initialized\n"); +#endif + } +#endif + return 0; +} + /* initialize chips on Cyclom-Y card -- return number of valid chips (which is number of ports/4) */ -static unsigned short __init -cyy_init_card(void __iomem * true_base_addr, int index) +static unsigned short __devinit cyy_init_card(void __iomem *true_base_addr, + int index) { unsigned int chip_number; void __iomem *base_addr; @@ -4544,7 +4544,7 @@ cyy_init_card(void __iomem * true_base_addr, int index) base_addr = true_base_addr + (cy_chip_offset[chip_number] << index); mdelay(1); - if (cy_readb(base_addr + (CyCCR << index)) != 0x00) { + if (readb(base_addr + (CyCCR << index)) != 0x00) { /************* printk(" chip #%d at %#6lx is never idle (CCR != 0)\n", chip_number, (unsigned long)base_addr); @@ -4561,7 +4561,7 @@ cyy_init_card(void __iomem * true_base_addr, int index) chip 4 GFRCR register appears at chip 0, there is no chip 4 and this must be a Cyclom-16Y, not a Cyclom-32Ye. */ - if (chip_number == 4 && cy_readb(true_base_addr + + if (chip_number == 4 && readb(true_base_addr + (cy_chip_offset[0] << index) + (CyGFRCR << index)) == 0) { return chip_number; @@ -4570,7 +4570,7 @@ cyy_init_card(void __iomem * true_base_addr, int index) cy_writeb(base_addr + (CyCCR << index), CyCHIP_RESET); mdelay(1); - if (cy_readb(base_addr + (CyGFRCR << index)) == 0x00) { + if (readb(base_addr + (CyGFRCR << index)) == 0x00) { /* printk(" chip #%d at %#6lx is not responding ", chip_number, (unsigned long)base_addr); @@ -4578,7 +4578,7 @@ cyy_init_card(void __iomem * true_base_addr, int index) */ return chip_number; } - if ((0xf0 & (cy_readb(base_addr + (CyGFRCR << index)))) != + if ((0xf0 & (readb(base_addr + (CyGFRCR << index)))) != 0x40) { /* printk(" chip #%d at %#6lx is not valid (GFRCR == " @@ -4589,7 +4589,7 @@ cyy_init_card(void __iomem * true_base_addr, int index) return chip_number; } cy_writeb(base_addr + (CyGCR << index), CyCH0_SERIAL); - if (cy_readb(base_addr + (CyGFRCR << index)) >= CD1400_REV_J) { + if (readb(base_addr + (CyGFRCR << index)) >= CD1400_REV_J) { /* It is a CD1400 rev. J or later */ /* Impossible to reach 5ms with this chip. Changed to 2ms instead (f = 500 Hz). */ @@ -4602,7 +4602,7 @@ cyy_init_card(void __iomem * true_base_addr, int index) /* printk(" chip #%d at %#6lx is rev 0x%2x\n", chip_number, (unsigned long)base_addr, - cy_readb(base_addr+(CyGFRCR<<index))); + readb(base_addr+(CyGFRCR<<index))); */ } return chip_number; @@ -4647,9 +4647,15 @@ static int __init cy_detect_isa(void) /* probe for CD1400... */ cy_isa_address = ioremap(isa_address, CyISA_Ywin); + if (cy_isa_address == NULL) { + printk(KERN_ERR "Cyclom-Y/ISA: can't remap base " + "address\n"); + continue; + } cy_isa_nchan = CyPORTS_PER_CHIP * cyy_init_card(cy_isa_address, 0); if (cy_isa_nchan == 0) { + iounmap(cy_isa_address); continue; } #ifdef MODULE @@ -4660,40 +4666,42 @@ static int __init cy_detect_isa(void) /* find out the board's irq by probing */ cy_isa_irq = detect_isa_irq(cy_isa_address); if (cy_isa_irq == 0) { - printk("Cyclom-Y/ISA found at 0x%lx ", + printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but the " + "IRQ could not be detected.\n", (unsigned long)cy_isa_address); - printk("but the IRQ could not be detected.\n"); + iounmap(cy_isa_address); continue; } if ((cy_next_channel + cy_isa_nchan) > NR_PORTS) { - printk("Cyclom-Y/ISA found at 0x%lx ", + printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but no " + "more channels are available. Change NR_PORTS " + "in cyclades.c and recompile kernel.\n", (unsigned long)cy_isa_address); - printk("but no more channels are available.\n"); - printk("Change NR_PORTS in cyclades.c and recompile " - "kernel.\n"); + iounmap(cy_isa_address); return nboard; } /* fill the next cy_card structure available */ for (j = 0; j < NR_CARDS; j++) { - if (cy_card[j].base_addr == 0) + if (cy_card[j].base_addr == NULL) break; } if (j == NR_CARDS) { /* no more cy_cards available */ - printk("Cyclom-Y/ISA found at 0x%lx ", + printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but no " + "more cards can be used. Change NR_CARDS in " + "cyclades.c and recompile kernel.\n", (unsigned long)cy_isa_address); - printk("but no more cards can be used .\n"); - printk("Change NR_CARDS in cyclades.c and recompile " - "kernel.\n"); + iounmap(cy_isa_address); return nboard; } /* allocate IRQ */ if (request_irq(cy_isa_irq, cyy_interrupt, IRQF_DISABLED, "Cyclom-Y", &cy_card[j])) { - printk("Cyclom-Y/ISA found at 0x%lx ", - (unsigned long)cy_isa_address); - printk("but could not allocate IRQ#%d.\n", cy_isa_irq); + printk(KERN_ERR "Cyclom-Y/ISA found at 0x%lx, but " + "could not allocate IRQ#%d.\n", + (unsigned long)cy_isa_address, cy_isa_irq); + iounmap(cy_isa_address); return nboard; } @@ -4704,15 +4712,23 @@ static int __init cy_detect_isa(void) cy_card[j].bus_index = 0; cy_card[j].first_line = cy_next_channel; cy_card[j].num_chips = cy_isa_nchan / 4; + if (cy_init_card(&cy_card[j])) { + cy_card[j].base_addr = NULL; + free_irq(cy_isa_irq, &cy_card[j]); + iounmap(cy_isa_address); + continue; + } nboard++; - /* print message */ - printk("Cyclom-Y/ISA #%d: 0x%lx-0x%lx, IRQ%d, ", + printk(KERN_INFO "Cyclom-Y/ISA #%d: 0x%lx-0x%lx, IRQ%d found: " + "%d channels starting from port %d\n", j + 1, (unsigned long)cy_isa_address, (unsigned long)(cy_isa_address + (CyISA_Ywin - 1)), - cy_isa_irq); - printk("%d channels starting from port %d.\n", - cy_isa_nchan, cy_next_channel); + cy_isa_irq, cy_isa_nchan, cy_next_channel); + + for (j = cy_next_channel; + j < cy_next_channel + cy_isa_nchan; j++) + tty_register_device(cy_serial_driver, j, NULL); cy_next_channel += cy_isa_nchan; } return nboard; @@ -4721,510 +4737,310 @@ static int __init cy_detect_isa(void) #endif /* CONFIG_ISA */ } /* cy_detect_isa */ -static void plx_init(void __iomem * addr, uclong initctl) +#ifdef CONFIG_PCI +static void __devinit plx_init(void __iomem * addr, __u32 initctl) { /* Reset PLX */ - cy_writel(addr + initctl, cy_readl(addr + initctl) | 0x40000000); + cy_writel(addr + initctl, readl(addr + initctl) | 0x40000000); udelay(100L); - cy_writel(addr + initctl, cy_readl(addr + initctl) & ~0x40000000); + cy_writel(addr + initctl, readl(addr + initctl) & ~0x40000000); /* Reload Config. Registers from EEPROM */ - cy_writel(addr + initctl, cy_readl(addr + initctl) | 0x20000000); + cy_writel(addr + initctl, readl(addr + initctl) | 0x20000000); udelay(100L); - cy_writel(addr + initctl, cy_readl(addr + initctl) & ~0x20000000); + cy_writel(addr + initctl, readl(addr + initctl) & ~0x20000000); } -/* - * --------------------------------------------------------------------- - * cy_detect_pci() - Test PCI bus presence and Cyclom-Ye/PCI. - * sets global variables and return the number of PCI boards found. - * --------------------------------------------------------------------- - */ -static int __init cy_detect_pci(void) +static int __devinit cy_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) { -#ifdef CONFIG_PCI - - struct pci_dev *pdev = NULL; - unsigned char cyy_rev_id; - unsigned char cy_pci_irq = 0; - uclong cy_pci_phys0, cy_pci_phys2; - void __iomem *cy_pci_addr0, *cy_pci_addr2; - unsigned short i, j, cy_pci_nchan, plx_ver; - unsigned short device_id, dev_index = 0; - uclong mailbox; - uclong ZeIndex = 0; - void __iomem *Ze_addr0[NR_CARDS], *Ze_addr2[NR_CARDS]; - uclong Ze_phys0[NR_CARDS], Ze_phys2[NR_CARDS]; - unsigned char Ze_irq[NR_CARDS]; - struct pci_dev *Ze_pdev[NR_CARDS]; - - for (i = 0; i < NR_CARDS; i++) { - /* look for a Cyclades card by vendor and device id */ - while ((device_id = cy_pci_dev_id[dev_index].device) != 0) { - if ((pdev = pci_get_device(PCI_VENDOR_ID_CYCLADES, - device_id, pdev)) == NULL) { - dev_index++; /* try next device id */ - } else { - break; /* found a board */ - } - } - - if (device_id == 0) - break; - - if (pci_enable_device(pdev)) - continue; - - /* read PCI configuration area */ - cy_pci_irq = pdev->irq; - cy_pci_phys0 = pci_resource_start(pdev, 0); - cy_pci_phys2 = pci_resource_start(pdev, 2); - pci_read_config_byte(pdev, PCI_REVISION_ID, &cyy_rev_id); + void __iomem *addr0 = NULL, *addr2 = NULL; + char *card_name = NULL; + u32 mailbox; + unsigned int device_id, nchan = 0, card_no, i; + unsigned char plx_ver; + int retval, irq; + + retval = pci_enable_device(pdev); + if (retval) { + dev_err(&pdev->dev, "cannot enable device\n"); + goto err; + } - device_id &= ~PCI_DEVICE_ID_MASK; + /* read PCI configuration area */ + irq = pdev->irq; + device_id = pdev->device & ~PCI_DEVICE_ID_MASK; - if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo || - device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) { -#ifdef CY_PCI_DEBUG - printk("Cyclom-Y/PCI (bus=0x0%x, pci_id=0x%x, ", - pdev->bus->number, pdev->devfn); - printk("rev_id=%d) IRQ%d\n", - cyy_rev_id, (int)cy_pci_irq); - printk("Cyclom-Y/PCI:found winaddr=0x%lx " - "ctladdr=0x%lx\n", - (ulong)cy_pci_phys2, (ulong)cy_pci_phys0); +#if defined(__alpha__) + if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo) { /* below 1M? */ + dev_err(&pdev->dev, "Cyclom-Y/PCI not supported for low " + "addresses on Alpha systems.\n"); + retval = -EIO; + goto err_dis; + } #endif + if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Lo) { + dev_err(&pdev->dev, "Cyclades-Z/PCI not supported for low " + "addresses\n"); + retval = -EIO; + goto err_dis; + } - if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) { - printk(" Warning: PCI I/O bit incorrectly " - "set. Ignoring it...\n"); - pdev->resource[2].flags &= ~IORESOURCE_IO; - } + if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) { + dev_warn(&pdev->dev, "PCI I/O bit incorrectly set. Ignoring " + "it...\n"); + pdev->resource[2].flags &= ~IORESOURCE_IO; + } - /* Although we don't use this I/O region, we should - request it from the kernel anyway, to avoid problems - with other drivers accessing it. */ - if (pci_request_regions(pdev, "Cyclom-Y") != 0) { - printk(KERN_ERR "cyclades: failed to reserve " - "PCI resources\n"); - continue; - } -#if defined(__alpha__) - if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo) { /* below 1M? */ - printk("Cyclom-Y/PCI (bus=0x0%x, pci_id=0x%x, ", - pdev->bus->number, pdev->devfn); - printk("rev_id=%d) IRQ%d\n", - cyy_rev_id, (int)cy_pci_irq); - printk("Cyclom-Y/PCI:found winaddr=0x%lx " - "ctladdr=0x%lx\n", - (ulong)cy_pci_phys2, - (ulong)cy_pci_phys0); - printk("Cyclom-Y/PCI not supported for low " - "addresses in Alpha systems.\n"); - i--; - continue; - } -#endif - cy_pci_addr0 = ioremap(cy_pci_phys0, CyPCI_Yctl); - cy_pci_addr2 = ioremap(cy_pci_phys2, CyPCI_Ywin); + retval = pci_request_regions(pdev, "cyclades"); + if (retval) { + dev_err(&pdev->dev, "failed to reserve resources\n"); + goto err_dis; + } -#ifdef CY_PCI_DEBUG - printk("Cyclom-Y/PCI: relocate winaddr=0x%lx " - "ctladdr=0x%lx\n", - (u_long)cy_pci_addr2, (u_long)cy_pci_addr0); -#endif - cy_pci_nchan = (unsigned short)(CyPORTS_PER_CHIP * - cyy_init_card(cy_pci_addr2, 1)); - if (cy_pci_nchan == 0) { - printk("Cyclom-Y PCI host card with "); - printk("no Serial-Modules at 0x%lx.\n", - (ulong) cy_pci_phys2); - i--; - continue; - } - if ((cy_next_channel + cy_pci_nchan) > NR_PORTS) { - printk("Cyclom-Y/PCI found at 0x%lx ", - (ulong) cy_pci_phys2); - printk("but no channels are available.\n"); - printk("Change NR_PORTS in cyclades.c and " - "recompile kernel.\n"); - return i; - } - /* fill the next cy_card structure available */ - for (j = 0; j < NR_CARDS; j++) { - if (cy_card[j].base_addr == 0) - break; - } - if (j == NR_CARDS) { /* no more cy_cards available */ - printk("Cyclom-Y/PCI found at 0x%lx ", - (ulong) cy_pci_phys2); - printk("but no more cards can be used.\n"); - printk("Change NR_CARDS in cyclades.c and " - "recompile kernel.\n"); - return i; - } + retval = -EIO; + if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo || + device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) { + card_name = "Cyclom-Y"; - /* allocate IRQ */ - if (request_irq(cy_pci_irq, cyy_interrupt, - IRQF_SHARED, "Cyclom-Y", &cy_card[j])) { - printk("Cyclom-Y/PCI found at 0x%lx ", - (ulong) cy_pci_phys2); - printk("but could not allocate IRQ%d.\n", - cy_pci_irq); - return i; - } + addr0 = pci_iomap(pdev, 0, CyPCI_Yctl); + if (addr0 == NULL) { + dev_err(&pdev->dev, "can't remap ctl region\n"); + goto err_reg; + } + addr2 = pci_iomap(pdev, 2, CyPCI_Ywin); + if (addr2 == NULL) { + dev_err(&pdev->dev, "can't remap base region\n"); + goto err_unmap; + } - /* set cy_card */ - cy_card[j].base_phys = (ulong) cy_pci_phys2; - cy_card[j].ctl_phys = (ulong) cy_pci_phys0; - cy_card[j].base_addr = cy_pci_addr2; - cy_card[j].ctl_addr = cy_pci_addr0; - cy_card[j].irq = (int)cy_pci_irq; - cy_card[j].bus_index = 1; - cy_card[j].first_line = cy_next_channel; - cy_card[j].num_chips = cy_pci_nchan / 4; - cy_card[j].pdev = pdev; - - /* enable interrupts in the PCI interface */ - plx_ver = cy_readb(cy_pci_addr2 + CyPLX_VER) & 0x0f; - switch (plx_ver) { - case PLX_9050: - - cy_writeb(cy_pci_addr0 + 0x4c, 0x43); - break; + nchan = CyPORTS_PER_CHIP * cyy_init_card(addr2, 1); + if (nchan == 0) { + dev_err(&pdev->dev, "Cyclom-Y PCI host card with no " + "Serial-Modules\n"); + return -EIO; + } + } else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Hi) { + struct RUNTIME_9060 __iomem *ctl_addr; - case PLX_9060: - case PLX_9080: - default: /* Old boards, use PLX_9060 */ - - plx_init(cy_pci_addr0, 0x6c); - /* For some yet unknown reason, once the PLX9060 reloads - the EEPROM, the IRQ is lost and, thus, we have to - re-write it to the PCI config. registers. - This will remain here until we find a permanent - fix. */ - pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, - cy_pci_irq); - - cy_writew(cy_pci_addr0 + 0x68, - cy_readw(cy_pci_addr0 + - 0x68) | 0x0900); - break; - } + ctl_addr = addr0 = pci_iomap(pdev, 0, CyPCI_Zctl); + if (addr0 == NULL) { + dev_err(&pdev->dev, "can't remap ctl region\n"); + goto err_reg; + } - /* print message */ - printk("Cyclom-Y/PCI #%d: 0x%lx-0x%lx, IRQ%d, ", - j + 1, (ulong)cy_pci_phys2, - (ulong) (cy_pci_phys2 + CyPCI_Ywin - 1), - (int)cy_pci_irq); - printk("%d channels starting from port %d.\n", - cy_pci_nchan, cy_next_channel); - - cy_next_channel += cy_pci_nchan; - } else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Lo) { - /* print message */ - printk("Cyclades-Z/PCI (bus=0x0%x, pci_id=0x%x, ", - pdev->bus->number, pdev->devfn); - printk("rev_id=%d) IRQ%d\n", - cyy_rev_id, (int)cy_pci_irq); - printk("Cyclades-Z/PCI: found winaddr=0x%lx " - "ctladdr=0x%lx\n", - (ulong)cy_pci_phys2, (ulong)cy_pci_phys0); - printk("Cyclades-Z/PCI not supported for low " - "addresses\n"); - break; - } else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Hi) { -#ifdef CY_PCI_DEBUG - printk("Cyclades-Z/PCI (bus=0x0%x, pci_id=0x%x, ", - pdev->bus->number, pdev->devfn); - printk("rev_id=%d) IRQ%d\n", - cyy_rev_id, (int)cy_pci_irq); - printk("Cyclades-Z/PCI: found winaddr=0x%lx " - "ctladdr=0x%lx\n", - (ulong) cy_pci_phys2, (ulong) cy_pci_phys0); -#endif - cy_pci_addr0 = ioremap(cy_pci_phys0, CyPCI_Zctl); - - /* Disable interrupts on the PLX before resetting it */ - cy_writew(cy_pci_addr0 + 0x68, - cy_readw(cy_pci_addr0 + 0x68) & ~0x0900); - - plx_init(cy_pci_addr0, 0x6c); - /* For some yet unknown reason, once the PLX9060 reloads - the EEPROM, the IRQ is lost and, thus, we have to - re-write it to the PCI config. registers. - This will remain here until we find a permanent - fix. */ - pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, - cy_pci_irq); - - mailbox = - (uclong)cy_readl(&((struct RUNTIME_9060 __iomem *) - cy_pci_addr0)->mail_box_0); - - if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) { - printk(" Warning: PCI I/O bit incorrectly " - "set. Ignoring it...\n"); - pdev->resource[2].flags &= ~IORESOURCE_IO; - } + /* Disable interrupts on the PLX before resetting it */ + cy_writew(addr0 + 0x68, + readw(addr0 + 0x68) & ~0x0900); + + plx_init(addr0, 0x6c); + /* For some yet unknown reason, once the PLX9060 reloads + the EEPROM, the IRQ is lost and, thus, we have to + re-write it to the PCI config. registers. + This will remain here until we find a permanent + fix. */ + pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, irq); + + mailbox = (u32)readl(&ctl_addr->mail_box_0); + + addr2 = pci_iomap(pdev, 2, mailbox == ZE_V1 ? + CyPCI_Ze_win : CyPCI_Zwin); + if (addr2 == NULL) { + dev_err(&pdev->dev, "can't remap base region\n"); + goto err_unmap; + } - /* Although we don't use this I/O region, we should - request it from the kernel anyway, to avoid problems - with other drivers accessing it. */ - if (pci_request_regions(pdev, "Cyclades-Z") != 0) { - printk(KERN_ERR "cyclades: failed to reserve " - "PCI resources\n"); - continue; - } + if (mailbox == ZE_V1) { + card_name = "Cyclades-Ze"; - if (mailbox == ZE_V1) { - cy_pci_addr2 = ioremap(cy_pci_phys2, - CyPCI_Ze_win); - if (ZeIndex == NR_CARDS) { - printk("Cyclades-Ze/PCI found at " - "0x%lx but no more cards can " - "be used.\nChange NR_CARDS in " - "cyclades.c and recompile " - "kernel.\n", - (ulong)cy_pci_phys2); - } else { - Ze_phys0[ZeIndex] = cy_pci_phys0; - Ze_phys2[ZeIndex] = cy_pci_phys2; - Ze_addr0[ZeIndex] = cy_pci_addr0; - Ze_addr2[ZeIndex] = cy_pci_addr2; - Ze_irq[ZeIndex] = cy_pci_irq; - Ze_pdev[ZeIndex] = pdev; - ZeIndex++; - } - i--; - continue; - } else { - cy_pci_addr2 = ioremap(cy_pci_phys2,CyPCI_Zwin); - } + readl(&ctl_addr->mail_box_0); + nchan = ZE_V1_NPORTS; + } else { + card_name = "Cyclades-8Zo"; #ifdef CY_PCI_DEBUG - printk("Cyclades-Z/PCI: relocate winaddr=0x%lx " - "ctladdr=0x%lx\n", - (ulong) cy_pci_addr2, (ulong) cy_pci_addr0); if (mailbox == ZO_V1) { - cy_writel(&((struct RUNTIME_9060 *) - (cy_pci_addr0))->loc_addr_base, - WIN_CREG); - PAUSE; - printk("Cyclades-8Zo/PCI: FPGA id %lx, ver " - "%lx\n", (ulong) (0xff & - cy_readl(&((struct CUSTOM_REG *) - (cy_pci_addr2))->fpga_id)), - (ulong)(0xff & - cy_readl(&((struct CUSTOM_REG *) - (cy_pci_addr2))-> - fpga_version))); - cy_writel(&((struct RUNTIME_9060 *) - (cy_pci_addr0))->loc_addr_base, - WIN_RAM); + cy_writel(&ctl_addr->loc_addr_base, WIN_CREG); + dev_info(&pdev->dev, "Cyclades-8Zo/PCI: FPGA " + "id %lx, ver %lx\n", (ulong)(0xff & + readl(&((struct CUSTOM_REG *)addr2)-> + fpga_id)), (ulong)(0xff & + readl(&((struct CUSTOM_REG *)addr2)-> + fpga_version))); + cy_writel(&ctl_addr->loc_addr_base, WIN_RAM); } else { - printk("Cyclades-Z/PCI: New Cyclades-Z board. " - "FPGA not loaded\n"); + dev_info(&pdev->dev, "Cyclades-Z/PCI: New " + "Cyclades-Z board. FPGA not loaded\n"); } #endif /* The following clears the firmware id word. This ensures that the driver will not attempt to talk to the board until it has been properly initialized. */ - PAUSE; if ((mailbox == ZO_V1) || (mailbox == ZO_V2)) - cy_writel(cy_pci_addr2 + ID_ADDRESS, 0L); + cy_writel(addr2 + ID_ADDRESS, 0L); /* This must be a Cyclades-8Zo/PCI. The extendable version will have a different device_id and will be allocated its maximum number of ports. */ - cy_pci_nchan = 8; - - if ((cy_next_channel + cy_pci_nchan) > NR_PORTS) { - printk("Cyclades-8Zo/PCI found at 0x%lx but" - "no channels are available.\nChange " - "NR_PORTS in cyclades.c and recompile " - "kernel.\n", (ulong)cy_pci_phys2); - return i; - } - - /* fill the next cy_card structure available */ - for (j = 0; j < NR_CARDS; j++) { - if (cy_card[j].base_addr == 0) - break; - } - if (j == NR_CARDS) { /* no more cy_cards available */ - printk("Cyclades-8Zo/PCI found at 0x%lx but" - "no more cards can be used.\nChange " - "NR_CARDS in cyclades.c and recompile " - "kernel.\n", (ulong)cy_pci_phys2); - return i; - } -#ifdef CONFIG_CYZ_INTR - /* allocate IRQ only if board has an IRQ */ - if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) { - if (request_irq(cy_pci_irq, cyz_interrupt, - IRQF_SHARED, "Cyclades-Z", - &cy_card[j])) { - printk("Cyclom-8Zo/PCI found at 0x%lx " - "but could not allocate " - "IRQ%d.\n", (ulong)cy_pci_phys2, - cy_pci_irq); - return i; - } - } -#endif /* CONFIG_CYZ_INTR */ - - /* set cy_card */ - cy_card[j].base_phys = cy_pci_phys2; - cy_card[j].ctl_phys = cy_pci_phys0; - cy_card[j].base_addr = cy_pci_addr2; - cy_card[j].ctl_addr = cy_pci_addr0; - cy_card[j].irq = (int)cy_pci_irq; - cy_card[j].bus_index = 1; - cy_card[j].first_line = cy_next_channel; - cy_card[j].num_chips = -1; - cy_card[j].pdev = pdev; - - /* print message */ -#ifdef CONFIG_CYZ_INTR - /* don't report IRQ if board is no IRQ */ - if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) - printk("Cyclades-8Zo/PCI #%d: 0x%lx-0x%lx, " - "IRQ%d, ", j + 1, (ulong)cy_pci_phys2, - (ulong) (cy_pci_phys2 + CyPCI_Zwin - 1), - (int)cy_pci_irq); - else -#endif /* CONFIG_CYZ_INTR */ - printk("Cyclades-8Zo/PCI #%d: 0x%lx-0x%lx, ", - j + 1, (ulong)cy_pci_phys2, - (ulong)(cy_pci_phys2 + CyPCI_Zwin - 1)); - - printk("%d channels starting from port %d.\n", - cy_pci_nchan, cy_next_channel); - cy_next_channel += cy_pci_nchan; + nchan = 8; } } - for (; ZeIndex != 0 && i < NR_CARDS; i++) { - cy_pci_phys0 = Ze_phys0[0]; - cy_pci_phys2 = Ze_phys2[0]; - cy_pci_addr0 = Ze_addr0[0]; - cy_pci_addr2 = Ze_addr2[0]; - cy_pci_irq = Ze_irq[0]; - pdev = Ze_pdev[0]; - for (j = 0; j < ZeIndex - 1; j++) { - Ze_phys0[j] = Ze_phys0[j + 1]; - Ze_phys2[j] = Ze_phys2[j + 1]; - Ze_addr0[j] = Ze_addr0[j + 1]; - Ze_addr2[j] = Ze_addr2[j + 1]; - Ze_irq[j] = Ze_irq[j + 1]; - Ze_pdev[j] = Ze_pdev[j + 1]; - } - ZeIndex--; - mailbox = (uclong)cy_readl(&((struct RUNTIME_9060 __iomem *) - cy_pci_addr0)->mail_box_0); -#ifdef CY_PCI_DEBUG - printk("Cyclades-Z/PCI: relocate winaddr=0x%lx ctladdr=0x%lx\n", - (ulong)cy_pci_addr2, (ulong)cy_pci_addr0); - printk("Cyclades-Z/PCI: New Cyclades-Z board. FPGA not " - "loaded\n"); -#endif - PAUSE; - /* This must be the new Cyclades-Ze/PCI. */ - cy_pci_nchan = ZE_V1_NPORTS; - - if ((cy_next_channel + cy_pci_nchan) > NR_PORTS) { - printk("Cyclades-Ze/PCI found at 0x%lx but no channels " - "are available.\nChange NR_PORTS in cyclades.c " - "and recompile kernel.\n", - (ulong) cy_pci_phys2); - return i; - } + if ((cy_next_channel + nchan) > NR_PORTS) { + dev_err(&pdev->dev, "Cyclades-8Zo/PCI found, but no " + "channels are available. Change NR_PORTS in " + "cyclades.c and recompile kernel.\n"); + goto err_unmap; + } + /* fill the next cy_card structure available */ + for (card_no = 0; card_no < NR_CARDS; card_no++) { + if (cy_card[card_no].base_addr == NULL) + break; + } + if (card_no == NR_CARDS) { /* no more cy_cards available */ + dev_err(&pdev->dev, "Cyclades-8Zo/PCI found, but no " + "more cards can be used. Change NR_CARDS in " + "cyclades.c and recompile kernel.\n"); + goto err_unmap; + } - /* fill the next cy_card structure available */ - for (j = 0; j < NR_CARDS; j++) { - if (cy_card[j].base_addr == 0) - break; - } - if (j == NR_CARDS) { /* no more cy_cards available */ - printk("Cyclades-Ze/PCI found at 0x%lx but no more " - "cards can be used.\nChange NR_CARDS in " - "cyclades.c and recompile kernel.\n", - (ulong) cy_pci_phys2); - return i; + if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo || + device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) { + /* allocate IRQ */ + retval = request_irq(irq, cyy_interrupt, + IRQF_SHARED, "Cyclom-Y", &cy_card[card_no]); + if (retval) { + dev_err(&pdev->dev, "could not allocate IRQ\n"); + goto err_unmap; } + cy_card[card_no].num_chips = nchan / 4; + } else { #ifdef CONFIG_CYZ_INTR /* allocate IRQ only if board has an IRQ */ - if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) { - if (request_irq(cy_pci_irq, cyz_interrupt, + if (irq != 0 && irq != 255) { + retval = request_irq(irq, cyz_interrupt, IRQF_SHARED, "Cyclades-Z", - &cy_card[j])) { - printk("Cyclom-Ze/PCI found at 0x%lx ", - (ulong) cy_pci_phys2); - printk("but could not allocate IRQ%d.\n", - cy_pci_irq); - return i; + &cy_card[card_no]); + if (retval) { + dev_err(&pdev->dev, "could not allocate IRQ\n"); + goto err_unmap; } } #endif /* CONFIG_CYZ_INTR */ + cy_card[card_no].num_chips = -1; + } - /* set cy_card */ - cy_card[j].base_phys = cy_pci_phys2; - cy_card[j].ctl_phys = cy_pci_phys0; - cy_card[j].base_addr = cy_pci_addr2; - cy_card[j].ctl_addr = cy_pci_addr0; - cy_card[j].irq = (int)cy_pci_irq; - cy_card[j].bus_index = 1; - cy_card[j].first_line = cy_next_channel; - cy_card[j].num_chips = -1; - cy_card[j].pdev = pdev; + /* set cy_card */ + cy_card[card_no].base_addr = addr2; + cy_card[card_no].ctl_addr = addr0; + cy_card[card_no].irq = irq; + cy_card[card_no].bus_index = 1; + cy_card[card_no].first_line = cy_next_channel; + retval = cy_init_card(&cy_card[card_no]); + if (retval) + goto err_null; - /* print message */ -#ifdef CONFIG_CYZ_INTR - /* don't report IRQ if board is no IRQ */ - if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) - printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, IRQ%d, ", - j + 1, (ulong) cy_pci_phys2, - (ulong) (cy_pci_phys2 + CyPCI_Ze_win - 1), - (int)cy_pci_irq); - else -#endif /* CONFIG_CYZ_INTR */ - printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, ", - j + 1, (ulong) cy_pci_phys2, - (ulong) (cy_pci_phys2 + CyPCI_Ze_win - 1)); + pci_set_drvdata(pdev, &cy_card[card_no]); - printk("%d channels starting from port %d.\n", - cy_pci_nchan, cy_next_channel); - cy_next_channel += cy_pci_nchan; - } - if (ZeIndex != 0) { - printk("Cyclades-Ze/PCI found at 0x%x but no more cards can be " - "used.\nChange NR_CARDS in cyclades.c and recompile " - "kernel.\n", (unsigned int)Ze_phys2[0]); + if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo || + device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) { + /* enable interrupts in the PCI interface */ + plx_ver = readb(addr2 + CyPLX_VER) & 0x0f; + switch (plx_ver) { + case PLX_9050: + + cy_writeb(addr0 + 0x4c, 0x43); + break; + + case PLX_9060: + case PLX_9080: + default: /* Old boards, use PLX_9060 */ + + plx_init(addr0, 0x6c); + /* For some yet unknown reason, once the PLX9060 reloads + the EEPROM, the IRQ is lost and, thus, we have to + re-write it to the PCI config. registers. + This will remain here until we find a permanent + fix. */ + pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, irq); + + cy_writew(addr0 + 0x68, readw(addr0 + 0x68) | 0x0900); + break; + } } - return i; -#else + + dev_info(&pdev->dev, "%s/PCI #%d found: %d channels starting from " + "port %d.\n", card_name, card_no + 1, nchan, cy_next_channel); + for (i = cy_next_channel; i < cy_next_channel + nchan; i++) + tty_register_device(cy_serial_driver, i, &pdev->dev); + cy_next_channel += nchan; + return 0; -#endif /* ifdef CONFIG_PCI */ -} /* cy_detect_pci */ +err_null: + cy_card[card_no].base_addr = NULL; + free_irq(irq, &cy_card[card_no]); +err_unmap: + pci_iounmap(pdev, addr0); + if (addr2) + pci_iounmap(pdev, addr2); +err_reg: + pci_release_regions(pdev); +err_dis: + pci_disable_device(pdev); +err: + return retval; +} -/* - * This routine prints out the appropriate serial driver version number - * and identifies which options were configured into this driver. - */ -static inline void show_version(void) +static void __devexit cy_pci_remove(struct pci_dev *pdev) { - printk("Cyclades driver " CY_VERSION "\n"); - printk(" built %s %s\n", __DATE__, __TIME__); -} /* show_version */ + struct cyclades_card *cinfo = pci_get_drvdata(pdev); + unsigned int i; + + /* non-Z with old PLX */ + if (!IS_CYC_Z(*cinfo) && (readb(cinfo->base_addr + CyPLX_VER) & 0x0f) == + PLX_9050) + cy_writeb(cinfo->ctl_addr + 0x4c, 0); + else +#ifndef CONFIG_CYZ_INTR + if (!IS_CYC_Z(*cinfo)) +#endif + cy_writew(cinfo->ctl_addr + 0x68, + readw(cinfo->ctl_addr + 0x68) & ~0x0900); + + pci_iounmap(pdev, cinfo->base_addr); + if (cinfo->ctl_addr) + pci_iounmap(pdev, cinfo->ctl_addr); + if (cinfo->irq +#ifndef CONFIG_CYZ_INTR + && !IS_CYC_Z(*cinfo) +#endif /* CONFIG_CYZ_INTR */ + ) + free_irq(cinfo->irq, cinfo); + pci_release_regions(pdev); + + cinfo->base_addr = NULL; + for (i = cinfo->first_line; i < cinfo->first_line + + cinfo->nports; i++) + tty_unregister_device(cy_serial_driver, i); + cinfo->nports = 0; + kfree(cinfo->ports); +} + +static struct pci_driver cy_pci_driver = { + .name = "cyclades", + .id_table = cy_pci_dev_id, + .probe = cy_pci_probe, + .remove = __devexit_p(cy_pci_remove) +}; +#endif static int cyclades_get_proc_info(char *buf, char **start, off_t offset, int length, int *eof, void *data) { struct cyclades_port *info; - int i; + unsigned int i, j; int len = 0; off_t begin = 0; off_t pos = 0; @@ -5238,33 +5054,34 @@ cyclades_get_proc_info(char *buf, char **start, off_t offset, int length, len += size; /* Output one line for each known port */ - for (i = 0; i < NR_PORTS && cy_port[i].line >= 0; i++) { - info = &cy_port[i]; - - if (info->count) - size = sprintf(buf + len, "%3d %8lu %10lu %8lu %10lu " - "%8lu %9lu %6ld\n", info->line, - (cur_jifs - info->idle_stats.in_use) / HZ, - info->idle_stats.xmit_bytes, - (cur_jifs - info->idle_stats.xmit_idle) / HZ, - info->idle_stats.recv_bytes, - (cur_jifs - info->idle_stats.recv_idle) / HZ, - info->idle_stats.overruns, - (long)info->tty->ldisc.num); - else - size = sprintf(buf + len, "%3d %8lu %10lu %8lu %10lu " - "%8lu %9lu %6ld\n", - info->line, 0L, 0L, 0L, 0L, 0L, 0L, 0L); - len += size; - pos = begin + len; - - if (pos < offset) { - len = 0; - begin = pos; + for (i = 0; i < NR_CARDS; i++) + for (j = 0; j < cy_card[i].nports; j++) { + info = &cy_card[i].ports[j]; + + if (info->count) + size = sprintf(buf + len, "%3d %8lu %10lu %8lu " + "%10lu %8lu %9lu %6ld\n", info->line, + (cur_jifs - info->idle_stats.in_use) / + HZ, info->idle_stats.xmit_bytes, + (cur_jifs - info->idle_stats.xmit_idle)/ + HZ, info->idle_stats.recv_bytes, + (cur_jifs - info->idle_stats.recv_idle)/ + HZ, info->idle_stats.overruns, + (long)info->tty->ldisc.num); + else + size = sprintf(buf + len, "%3d %8lu %10lu %8lu " + "%10lu %8lu %9lu %6ld\n", + info->line, 0L, 0L, 0L, 0L, 0L, 0L, 0L); + len += size; + pos = begin + len; + + if (pos < offset) { + len = 0; + begin = pos; + } + if (pos > offset + length) + goto done; } - if (pos > offset + length) - goto done; - } *eof = 1; done: *start = buf + (offset - begin); /* Start of wanted data */ @@ -5319,18 +5136,15 @@ static const struct tty_operations cy_ops = { static int __init cy_init(void) { - struct cyclades_port *info; - struct cyclades_card *cinfo; - int number_z_boards = 0; - int board, port, i, index; - unsigned long mailbox; - unsigned short chip_number; - int nports; + unsigned int nboards; + int retval = -ENOMEM; cy_serial_driver = alloc_tty_driver(NR_PORTS); if (!cy_serial_driver) - return -ENOMEM; - show_version(); + goto err; + + printk(KERN_INFO "Cyclades driver " CY_VERSION " (built %s %s)\n", + __DATE__, __TIME__); /* Initialize the tty_driver structure */ @@ -5344,15 +5158,13 @@ static int __init cy_init(void) cy_serial_driver->init_termios = tty_std_termios; cy_serial_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; - cy_serial_driver->flags = TTY_DRIVER_REAL_RAW; + cy_serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; tty_set_operations(cy_serial_driver, &cy_ops); - if (tty_register_driver(cy_serial_driver)) - panic("Couldn't register Cyclades serial driver\n"); - - for (i = 0; i < NR_CARDS; i++) { - /* base_addr=0 indicates board not found */ - cy_card[i].base_addr = NULL; + retval = tty_register_driver(cy_serial_driver); + if (retval) { + printk(KERN_ERR "Couldn't register Cyclades serial driver\n"); + goto err_frtty; } /* the code below is responsible to find the boards. Each different @@ -5363,223 +5175,68 @@ static int __init cy_init(void) the cy_next_channel. */ /* look for isa boards */ - cy_isa_nboard = cy_detect_isa(); + nboards = cy_detect_isa(); +#ifdef CONFIG_PCI /* look for pci boards */ - cy_pci_nboard = cy_detect_pci(); - - cy_nboard = cy_isa_nboard + cy_pci_nboard; - - /* invalidate remaining cy_card structures */ - for (i = 0; i < NR_CARDS; i++) { - if (cy_card[i].base_addr == 0) { - cy_card[i].first_line = -1; - cy_card[i].ctl_addr = NULL; - cy_card[i].irq = 0; - cy_card[i].bus_index = 0; - cy_card[i].first_line = 0; - cy_card[i].num_chips = 0; - } - } - /* invalidate remaining cy_port structures */ - for (i = cy_next_channel; i < NR_PORTS; i++) { - cy_port[i].line = -1; - cy_port[i].magic = -1; - } - - /* initialize per-port data structures for each valid board found */ - for (board = 0; board < cy_nboard; board++) { - cinfo = &cy_card[board]; - if (cinfo->num_chips == -1) { /* Cyclades-Z */ - number_z_boards++; - mailbox = cy_readl(&((struct RUNTIME_9060 __iomem *) - cy_card[board].ctl_addr)-> - mail_box_0); - nports = (mailbox == ZE_V1) ? ZE_V1_NPORTS : 8; - cinfo->intr_enabled = 0; - cinfo->nports = 0; /* Will be correctly set later, after - Z FW is loaded */ - spin_lock_init(&cinfo->card_lock); - for (port = cinfo->first_line; - port < cinfo->first_line + nports; port++) { - info = &cy_port[port]; - info->magic = CYCLADES_MAGIC; - info->type = PORT_STARTECH; - info->card = board; - info->line = port; - info->chip_rev = 0; - info->flags = STD_COM_FLAGS; - info->tty = NULL; - if (mailbox == ZO_V1) - info->xmit_fifo_size = CYZ_FIFO_SIZE; - else - info->xmit_fifo_size = - 4 * CYZ_FIFO_SIZE; - info->cor1 = 0; - info->cor2 = 0; - info->cor3 = 0; - info->cor4 = 0; - info->cor5 = 0; - info->tbpr = 0; - info->tco = 0; - info->rbpr = 0; - info->rco = 0; - info->custom_divisor = 0; - info->close_delay = 5 * HZ / 10; - info->closing_wait = CLOSING_WAIT_DELAY; - info->icount.cts = info->icount.dsr = - info->icount.rng = info->icount.dcd = 0; - info->icount.rx = info->icount.tx = 0; - info->icount.frame = info->icount.parity = 0; - info->icount.overrun = info->icount.brk = 0; - info->x_char = 0; - info->event = 0; - info->count = 0; - info->blocked_open = 0; - info->default_threshold = 0; - info->default_timeout = 0; - INIT_WORK(&info->tqueue, do_softint); - init_waitqueue_head(&info->open_wait); - init_waitqueue_head(&info->close_wait); - init_waitqueue_head(&info->shutdown_wait); - init_waitqueue_head(&info->delta_msr_wait); - /* info->session */ - /* info->pgrp */ - info->read_status_mask = 0; - /* info->timeout */ - /* Bentson's vars */ - info->jiffies[0] = 0; - info->jiffies[1] = 0; - info->jiffies[2] = 0; - info->rflush_count = 0; -#ifdef CONFIG_CYZ_INTR - init_timer(&cyz_rx_full_timer[port]); - cyz_rx_full_timer[port].function = NULL; + retval = pci_register_driver(&cy_pci_driver); + if (retval && !nboards) + goto err_unr; #endif - } - continue; - } else { /* Cyclom-Y of some kind */ - index = cinfo->bus_index; - spin_lock_init(&cinfo->card_lock); - cinfo->nports = CyPORTS_PER_CHIP * cinfo->num_chips; - for (port = cinfo->first_line; - port < cinfo->first_line + cinfo->nports; port++) { - info = &cy_port[port]; - info->magic = CYCLADES_MAGIC; - info->type = PORT_CIRRUS; - info->card = board; - info->line = port; - info->flags = STD_COM_FLAGS; - info->tty = NULL; - info->xmit_fifo_size = CyMAX_CHAR_FIFO; - info->cor1 = - CyPARITY_NONE | Cy_1_STOP | Cy_8_BITS; - info->cor2 = CyETC; - info->cor3 = 0x08; /* _very_ small rcv threshold */ - info->cor4 = 0; - info->cor5 = 0; - info->custom_divisor = 0; - info->close_delay = 5 * HZ / 10; - info->closing_wait = CLOSING_WAIT_DELAY; - info->icount.cts = info->icount.dsr = - info->icount.rng = info->icount.dcd = 0; - info->icount.rx = info->icount.tx = 0; - info->icount.frame = info->icount.parity = 0; - info->icount.overrun = info->icount.brk = 0; - chip_number = (port - cinfo->first_line) / 4; - if ((info->chip_rev = - cy_readb(cinfo->base_addr + - (cy_chip_offset[chip_number] << - index) + (CyGFRCR << index))) >= - CD1400_REV_J) { - /* It is a CD1400 rev. J or later */ - info->tbpr = baud_bpr_60[13]; /* Tx BPR */ - info->tco = baud_co_60[13]; /* Tx CO */ - info->rbpr = baud_bpr_60[13]; /* Rx BPR */ - info->rco = baud_co_60[13]; /* Rx CO */ - info->rflow = 0; - info->rtsdtr_inv = 1; - } else { - info->tbpr = baud_bpr_25[13]; /* Tx BPR */ - info->tco = baud_co_25[13]; /* Tx CO */ - info->rbpr = baud_bpr_25[13]; /* Rx BPR */ - info->rco = baud_co_25[13]; /* Rx CO */ - info->rflow = 0; - info->rtsdtr_inv = 0; - } - info->x_char = 0; - info->event = 0; - info->count = 0; - info->blocked_open = 0; - info->default_threshold = 0; - info->default_timeout = 0; - INIT_WORK(&info->tqueue, do_softint); - init_waitqueue_head(&info->open_wait); - init_waitqueue_head(&info->close_wait); - init_waitqueue_head(&info->shutdown_wait); - init_waitqueue_head(&info->delta_msr_wait); - /* info->session */ - /* info->pgrp */ - info->read_status_mask = - CyTIMEOUT | CySPECHAR | CyBREAK - | CyPARITY | CyFRAME | CyOVERRUN; - /* info->timeout */ - } - } - } - -#ifndef CONFIG_CYZ_INTR - if (number_z_boards && !cyz_timeron) { - cyz_timeron++; - cyz_timerlist.expires = jiffies + 1; - add_timer(&cyz_timerlist); -#ifdef CY_PCI_DEBUG - printk("Cyclades-Z polling initialized\n"); -#endif - } -#endif /* CONFIG_CYZ_INTR */ return 0; - +err_unr: + tty_unregister_driver(cy_serial_driver); +err_frtty: + put_tty_driver(cy_serial_driver); +err: + return retval; } /* cy_init */ static void __exit cy_cleanup_module(void) { + struct cyclades_card *card; int i, e1; #ifndef CONFIG_CYZ_INTR - if (cyz_timeron){ - cyz_timeron = 0; - del_timer(&cyz_timerlist); - } + del_timer_sync(&cyz_timerlist); #endif /* CONFIG_CYZ_INTR */ if ((e1 = tty_unregister_driver(cy_serial_driver))) - printk("cyc: failed to unregister Cyclades serial driver(%d)\n", - e1); + printk(KERN_ERR "failed to unregister Cyclades serial " + "driver(%d)\n", e1); - put_tty_driver(cy_serial_driver); +#ifdef CONFIG_PCI + pci_unregister_driver(&cy_pci_driver); +#endif for (i = 0; i < NR_CARDS; i++) { - if (cy_card[i].base_addr) { - iounmap(cy_card[i].base_addr); - if (cy_card[i].ctl_addr) - iounmap(cy_card[i].ctl_addr); - if (cy_card[i].irq + card = &cy_card[i]; + if (card->base_addr) { + /* clear interrupt */ + cy_writeb(card->base_addr + Cy_ClrIntr, 0); + iounmap(card->base_addr); + if (card->ctl_addr) + iounmap(card->ctl_addr); + if (card->irq #ifndef CONFIG_CYZ_INTR - && cy_card[i].num_chips != -1 /* not a Z card */ + && !IS_CYC_Z(*card) #endif /* CONFIG_CYZ_INTR */ ) - free_irq(cy_card[i].irq, &cy_card[i]); -#ifdef CONFIG_PCI - if (cy_card[i].pdev) - pci_release_regions(cy_card[i].pdev); -#endif + free_irq(card->irq, card); + for (e1 = card->first_line; + e1 < card->first_line + + card->nports; e1++) + tty_unregister_device(cy_serial_driver, e1); + kfree(card->ports); } } + + put_tty_driver(cy_serial_driver); } /* cy_cleanup_module */ module_init(cy_init); module_exit(cy_cleanup_module); MODULE_LICENSE("GPL"); +MODULE_VERSION(CY_VERSION); diff --git a/drivers/char/digi.h b/drivers/char/digi.h deleted file mode 100644 index 19df0e879b1..00000000000 --- a/drivers/char/digi.h +++ /dev/null @@ -1,71 +0,0 @@ -/* Definitions for DigiBoard ditty(1) command. */ - -#if !defined(TIOCMODG) -#define TIOCMODG (('d'<<8) | 250) /* get modem ctrl state */ -#define TIOCMODS (('d'<<8) | 251) /* set modem ctrl state */ -#endif - -#if !defined(TIOCMSET) -#define TIOCMSET (('d'<<8) | 252) /* set modem ctrl state */ -#define TIOCMGET (('d'<<8) | 253) /* set modem ctrl state */ -#endif - -#if !defined(TIOCMBIC) -#define TIOCMBIC (('d'<<8) | 254) /* set modem ctrl state */ -#define TIOCMBIS (('d'<<8) | 255) /* set modem ctrl state */ -#endif - -#if !defined(TIOCSDTR) -#define TIOCSDTR (('e'<<8) | 0) /* set DTR */ -#define TIOCCDTR (('e'<<8) | 1) /* clear DTR */ -#endif - -/************************************************************************ - * Ioctl command arguments for DIGI parameters. - ************************************************************************/ -#define DIGI_GETA (('e'<<8) | 94) /* Read params */ - -#define DIGI_SETA (('e'<<8) | 95) /* Set params */ -#define DIGI_SETAW (('e'<<8) | 96) /* Drain & set params */ -#define DIGI_SETAF (('e'<<8) | 97) /* Drain, flush & set params */ - -#define DIGI_GETFLOW (('e'<<8) | 99) /* Get startc/stopc flow */ - /* control characters */ -#define DIGI_SETFLOW (('e'<<8) | 100) /* Set startc/stopc flow */ - /* control characters */ -#define DIGI_GETAFLOW (('e'<<8) | 101) /* Get Aux. startc/stopc */ - /* flow control chars */ -#define DIGI_SETAFLOW (('e'<<8) | 102) /* Set Aux. startc/stopc */ - /* flow control chars */ - -struct digiflow_struct { - unsigned char startc; /* flow cntl start char */ - unsigned char stopc; /* flow cntl stop char */ -}; - -typedef struct digiflow_struct digiflow_t; - - -/************************************************************************ - * Values for digi_flags - ************************************************************************/ -#define DIGI_IXON 0x0001 /* Handle IXON in the FEP */ -#define DIGI_FAST 0x0002 /* Fast baud rates */ -#define RTSPACE 0x0004 /* RTS input flow control */ -#define CTSPACE 0x0008 /* CTS output flow control */ -#define DSRPACE 0x0010 /* DSR output flow control */ -#define DCDPACE 0x0020 /* DCD output flow control */ -#define DTRPACE 0x0040 /* DTR input flow control */ -#define DIGI_FORCEDCD 0x0100 /* Force carrier */ -#define DIGI_ALTPIN 0x0200 /* Alternate RJ-45 pin config */ -#define DIGI_AIXON 0x0400 /* Aux flow control in fep */ - - -/************************************************************************ - * Structure used with ioctl commands for DIGI parameters. - ************************************************************************/ -struct digi_struct { - unsigned short digi_flags; /* Flags (see above) */ -}; - -typedef struct digi_struct digi_t; diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c index 3d7efc26aad..334ad5bbe6b 100644 --- a/drivers/char/ds1620.c +++ b/drivers/char/ds1620.c @@ -4,7 +4,6 @@ */ #include <linux/module.h> #include <linux/miscdevice.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/proc_fs.h> #include <linux/capability.h> diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index db984e481d4..9b8278e1f4f 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -32,7 +32,6 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/device.h> #include <asm/atarihw.h> diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c index d8dbdb91623..abde6ddefe6 100644 --- a/drivers/char/dtlk.c +++ b/drivers/char/dtlk.c @@ -62,7 +62,6 @@ #include <linux/init.h> /* for __init, module_{init,exit} */ #include <linux/poll.h> /* for POLLIN, etc. */ #include <linux/dtlk.h> /* local header file for DoubleTalk values */ -#include <linux/smp_lock.h> #ifdef TRACING #define TRACE_TEXT(str) printk(str); @@ -325,16 +324,22 @@ static int dtlk_release(struct inode *inode, struct file *file) static int __init dtlk_init(void) { + int err; + dtlk_port_lpc = 0; dtlk_port_tts = 0; dtlk_busy = 0; dtlk_major = register_chrdev(0, "dtlk", &dtlk_fops); - if (dtlk_major == 0) { + if (dtlk_major < 0) { printk(KERN_ERR "DoubleTalk PC - cannot register device\n"); - return 0; + return dtlk_major; + } + err = dtlk_dev_probe(); + if (err) { + unregister_chrdev(dtlk_major, "dtlk"); + return err; } - if (dtlk_dev_probe() == 0) - printk(", MAJOR %d\n", dtlk_major); + printk(", MAJOR %d\n", dtlk_major); init_waitqueue_head(&dtlk_process_list); diff --git a/drivers/char/ec3104_keyb.c b/drivers/char/ec3104_keyb.c index 77f58ed6d59..020011495d9 100644 --- a/drivers/char/ec3104_keyb.c +++ b/drivers/char/ec3104_keyb.c @@ -41,7 +41,6 @@ #include <linux/miscdevice.h> #include <linux/slab.h> #include <linux/kbd_kern.h> -#include <linux/smp_lock.h> #include <linux/bitops.h> #include <asm/keyboard.h> diff --git a/drivers/char/epca.c b/drivers/char/epca.c index de5be30484a..c6c56fb8ba5 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -949,7 +949,7 @@ static int block_til_ready(struct tty_struct *tty, } /* End forever while */ - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&ch->open_wait, &wait); if (!tty_hung_up_p(filp)) ch->count++; diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c index 23b25ada65e..49f914e7921 100644 --- a/drivers/char/genrtc.c +++ b/drivers/char/genrtc.c @@ -207,7 +207,7 @@ static ssize_t gen_rtc_read(struct file *file, char __user *buf, sizeof(unsigned long); } out: - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&gen_rtc_wait, &wait); return retval; diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c index ae76a9ffe89..f0e7263dfcd 100644 --- a/drivers/char/hangcheck-timer.c +++ b/drivers/char/hangcheck-timer.c @@ -44,7 +44,6 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/reboot.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/delay.h> #include <asm/uaccess.h> diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 0f9ed7b46a6..322bc5f7d86 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -111,7 +111,7 @@ static int last_hvc = -1; * lock held. If successful, this function increments the kobject reference * count against the target hvc_struct so it should be released when finished. */ -struct hvc_struct *hvc_get_by_index(int index) +static struct hvc_struct *hvc_get_by_index(int index) { struct hvc_struct *hp; unsigned long flags; @@ -150,7 +150,8 @@ static uint32_t vtermnos[MAX_NR_HVC_CONSOLES] = * hvc_console_setup() finds adapters. */ -void hvc_console_print(struct console *co, const char *b, unsigned count) +static void hvc_console_print(struct console *co, const char *b, + unsigned count) { char c[N_OUTBUF] __ALIGNED__; unsigned i = 0, n = 0; @@ -208,7 +209,7 @@ static int __init hvc_console_setup(struct console *co, char *options) return 0; } -struct console hvc_con_driver = { +static struct console hvc_con_driver = { .name = "hvc", .write = hvc_console_print, .device = hvc_console_device, @@ -278,7 +279,6 @@ int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops) return 0; } -EXPORT_SYMBOL(hvc_instantiate); /* Wake the sleeping khvcd */ static void hvc_kick(void) @@ -792,7 +792,6 @@ struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int irq, return hp; } -EXPORT_SYMBOL(hvc_alloc); int __devexit hvc_remove(struct hvc_struct *hp) { @@ -828,11 +827,10 @@ int __devexit hvc_remove(struct hvc_struct *hp) tty_hangup(tty); return 0; } -EXPORT_SYMBOL(hvc_remove); /* Driver initialization. Follow console initialization. This is where the TTY * interfaces start to become available. */ -int __init hvc_init(void) +static int __init hvc_init(void) { struct tty_driver *drv; diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c index ec420fe8a90..b37f1d5a5be 100644 --- a/drivers/char/hvc_iseries.c +++ b/drivers/char/hvc_iseries.c @@ -579,7 +579,7 @@ static int hvc_find_vtys(void) if (!vtermno) continue; - if (!device_is_compatible(vty, "IBM,iSeries-vty")) + if (!of_device_is_compatible(vty, "IBM,iSeries-vty")) continue; if (num_found == 0) diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c index 94a542e20ef..79711aa4b41 100644 --- a/drivers/char/hvc_vio.c +++ b/drivers/char/hvc_vio.c @@ -157,7 +157,7 @@ static int hvc_find_vtys(void) if (!vtermno) continue; - if (device_is_compatible(vty, "hvterm1")) { + if (of_device_is_compatible(vty, "hvterm1")) { hvc_instantiate(*vtermno, num_found, &hvc_get_put_ops); ++num_found; } diff --git a/drivers/char/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c index cc1046e6ee0..4ae9811d1a6 100644 --- a/drivers/char/hw_random/intel-rng.c +++ b/drivers/char/hw_random/intel-rng.c @@ -24,10 +24,11 @@ * warranty of any kind, whether express or implied. */ -#include <linux/module.h> +#include <linux/hw_random.h> #include <linux/kernel.h> +#include <linux/module.h> #include <linux/pci.h> -#include <linux/hw_random.h> +#include <linux/stop_machine.h> #include <asm/io.h> @@ -217,30 +218,117 @@ static struct hwrng intel_rng = { .data_read = intel_rng_data_read, }; +struct intel_rng_hw { + struct pci_dev *dev; + void __iomem *mem; + u8 bios_cntl_off; + u8 bios_cntl_val; + u8 fwh_dec_en1_off; + u8 fwh_dec_en1_val; +}; -#ifdef CONFIG_SMP -static char __initdata waitflag; +static int __init intel_rng_hw_init(void *_intel_rng_hw) +{ + struct intel_rng_hw *intel_rng_hw = _intel_rng_hw; + u8 mfc, dvc; + + /* interrupts disabled in stop_machine_run call */ + + if (!(intel_rng_hw->fwh_dec_en1_val & FWH_F8_EN_MASK)) + pci_write_config_byte(intel_rng_hw->dev, + intel_rng_hw->fwh_dec_en1_off, + intel_rng_hw->fwh_dec_en1_val | + FWH_F8_EN_MASK); + if (!(intel_rng_hw->bios_cntl_val & BIOS_CNTL_WRITE_ENABLE_MASK)) + pci_write_config_byte(intel_rng_hw->dev, + intel_rng_hw->bios_cntl_off, + intel_rng_hw->bios_cntl_val | + BIOS_CNTL_WRITE_ENABLE_MASK); + + writeb(INTEL_FWH_RESET_CMD, intel_rng_hw->mem); + writeb(INTEL_FWH_READ_ID_CMD, intel_rng_hw->mem); + mfc = readb(intel_rng_hw->mem + INTEL_FWH_MANUFACTURER_CODE_ADDRESS); + dvc = readb(intel_rng_hw->mem + INTEL_FWH_DEVICE_CODE_ADDRESS); + writeb(INTEL_FWH_RESET_CMD, intel_rng_hw->mem); + + if (!(intel_rng_hw->bios_cntl_val & + (BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK))) + pci_write_config_byte(intel_rng_hw->dev, + intel_rng_hw->bios_cntl_off, + intel_rng_hw->bios_cntl_val); + if (!(intel_rng_hw->fwh_dec_en1_val & FWH_F8_EN_MASK)) + pci_write_config_byte(intel_rng_hw->dev, + intel_rng_hw->fwh_dec_en1_off, + intel_rng_hw->fwh_dec_en1_val); -static void __init intel_init_wait(void *unused) + if (mfc != INTEL_FWH_MANUFACTURER_CODE || + (dvc != INTEL_FWH_DEVICE_CODE_8M && + dvc != INTEL_FWH_DEVICE_CODE_4M)) { + printk(KERN_ERR PFX "FWH not detected\n"); + return -ENODEV; + } + + return 0; +} + +static int __init intel_init_hw_struct(struct intel_rng_hw *intel_rng_hw, + struct pci_dev *dev) { - while (waitflag) - cpu_relax(); + intel_rng_hw->bios_cntl_val = 0xff; + intel_rng_hw->fwh_dec_en1_val = 0xff; + intel_rng_hw->dev = dev; + + /* Check for Intel 82802 */ + if (dev->device < 0x2640) { + intel_rng_hw->fwh_dec_en1_off = FWH_DEC_EN1_REG_OLD; + intel_rng_hw->bios_cntl_off = BIOS_CNTL_REG_OLD; + } else { + intel_rng_hw->fwh_dec_en1_off = FWH_DEC_EN1_REG_NEW; + intel_rng_hw->bios_cntl_off = BIOS_CNTL_REG_NEW; + } + + pci_read_config_byte(dev, intel_rng_hw->fwh_dec_en1_off, + &intel_rng_hw->fwh_dec_en1_val); + pci_read_config_byte(dev, intel_rng_hw->bios_cntl_off, + &intel_rng_hw->bios_cntl_val); + + if ((intel_rng_hw->bios_cntl_val & + (BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK)) + == BIOS_CNTL_LOCK_ENABLE_MASK) { + static __initdata /*const*/ char warning[] = + KERN_WARNING PFX "Firmware space is locked read-only. " + KERN_WARNING PFX "If you can't or\n don't want to " + KERN_WARNING PFX "disable this in firmware setup, and " + KERN_WARNING PFX "if\n you are certain that your " + KERN_WARNING PFX "system has a functional\n RNG, try" + KERN_WARNING PFX "using the 'no_fwh_detect' option.\n"; + + if (no_fwh_detect) + return -ENODEV; + printk(warning); + return -EBUSY; + } + + intel_rng_hw->mem = ioremap_nocache(INTEL_FWH_ADDR, INTEL_FWH_ADDR_LEN); + if (intel_rng_hw->mem == NULL) + return -EBUSY; + + return 0; } -#endif + static int __init mod_init(void) { int err = -ENODEV; - unsigned i; + int i; struct pci_dev *dev = NULL; - void __iomem *mem; - unsigned long flags; - u8 bios_cntl_off, fwh_dec_en1_off; - u8 bios_cntl_val = 0xff, fwh_dec_en1_val = 0xff; - u8 hw_status, mfc, dvc; + void __iomem *mem = mem; + u8 hw_status; + struct intel_rng_hw *intel_rng_hw; for (i = 0; !dev && pci_tbl[i].vendor; ++i) - dev = pci_get_device(pci_tbl[i].vendor, pci_tbl[i].device, NULL); + dev = pci_get_device(pci_tbl[i].vendor, pci_tbl[i].device, + NULL); if (!dev) goto out; /* Device not found. */ @@ -250,39 +338,18 @@ static int __init mod_init(void) goto fwh_done; } - /* Check for Intel 82802 */ - if (dev->device < 0x2640) { - fwh_dec_en1_off = FWH_DEC_EN1_REG_OLD; - bios_cntl_off = BIOS_CNTL_REG_OLD; - } else { - fwh_dec_en1_off = FWH_DEC_EN1_REG_NEW; - bios_cntl_off = BIOS_CNTL_REG_NEW; - } - - pci_read_config_byte(dev, fwh_dec_en1_off, &fwh_dec_en1_val); - pci_read_config_byte(dev, bios_cntl_off, &bios_cntl_val); - - if ((bios_cntl_val & - (BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK)) - == BIOS_CNTL_LOCK_ENABLE_MASK) { - static __initdata /*const*/ char warning[] = - KERN_WARNING PFX "Firmware space is locked read-only. If you can't or\n" - KERN_WARNING PFX "don't want to disable this in firmware setup, and if\n" - KERN_WARNING PFX "you are certain that your system has a functional\n" - KERN_WARNING PFX "RNG, try using the 'no_fwh_detect' option.\n"; - + intel_rng_hw = kmalloc(sizeof(*intel_rng_hw), GFP_KERNEL); + if (!intel_rng_hw) { pci_dev_put(dev); - if (no_fwh_detect) - goto fwh_done; - printk(warning); - err = -EBUSY; goto out; } - mem = ioremap_nocache(INTEL_FWH_ADDR, INTEL_FWH_ADDR_LEN); - if (mem == NULL) { + err = intel_init_hw_struct(intel_rng_hw, dev); + if (err) { pci_dev_put(dev); - err = -EBUSY; + kfree(intel_rng_hw); + if (err == -ENODEV) + goto fwh_done; goto out; } @@ -290,59 +357,18 @@ static int __init mod_init(void) * Since the BIOS code/data is going to disappear from its normal * location with the Read ID command, all activity on the system * must be stopped until the state is back to normal. + * + * Use stop_machine_run because IPIs can be blocked by disabling + * interrupts. */ -#ifdef CONFIG_SMP - set_mb(waitflag, 1); - if (smp_call_function(intel_init_wait, NULL, 1, 0) != 0) { - set_mb(waitflag, 0); - pci_dev_put(dev); - printk(KERN_ERR PFX "cannot run on all processors\n"); - err = -EAGAIN; - goto err_unmap; - } -#endif - local_irq_save(flags); - - if (!(fwh_dec_en1_val & FWH_F8_EN_MASK)) - pci_write_config_byte(dev, - fwh_dec_en1_off, - fwh_dec_en1_val | FWH_F8_EN_MASK); - if (!(bios_cntl_val & BIOS_CNTL_WRITE_ENABLE_MASK)) - pci_write_config_byte(dev, - bios_cntl_off, - bios_cntl_val | BIOS_CNTL_WRITE_ENABLE_MASK); - - writeb(INTEL_FWH_RESET_CMD, mem); - writeb(INTEL_FWH_READ_ID_CMD, mem); - mfc = readb(mem + INTEL_FWH_MANUFACTURER_CODE_ADDRESS); - dvc = readb(mem + INTEL_FWH_DEVICE_CODE_ADDRESS); - writeb(INTEL_FWH_RESET_CMD, mem); - - if (!(bios_cntl_val & - (BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK))) - pci_write_config_byte(dev, bios_cntl_off, bios_cntl_val); - if (!(fwh_dec_en1_val & FWH_F8_EN_MASK)) - pci_write_config_byte(dev, fwh_dec_en1_off, fwh_dec_en1_val); - - local_irq_restore(flags); -#ifdef CONFIG_SMP - /* Tell other CPUs to resume. */ - set_mb(waitflag, 0); -#endif - - iounmap(mem); + err = stop_machine_run(intel_rng_hw_init, intel_rng_hw, NR_CPUS); pci_dev_put(dev); - - if (mfc != INTEL_FWH_MANUFACTURER_CODE || - (dvc != INTEL_FWH_DEVICE_CODE_8M && - dvc != INTEL_FWH_DEVICE_CODE_4M)) { - printk(KERN_ERR PFX "FWH not detected\n"); - err = -ENODEV; + iounmap(intel_rng_hw->mem); + kfree(intel_rng_hw); + if (err) goto out; - } fwh_done: - err = -ENOMEM; mem = ioremap(INTEL_RNG_ADDR, INTEL_RNG_ADDR_LEN); if (!mem) @@ -352,22 +378,21 @@ fwh_done: /* Check for Random Number Generator */ err = -ENODEV; hw_status = hwstatus_get(mem); - if ((hw_status & INTEL_RNG_PRESENT) == 0) - goto err_unmap; + if ((hw_status & INTEL_RNG_PRESENT) == 0) { + iounmap(mem); + goto out; + } printk(KERN_INFO "Intel 82802 RNG detected\n"); err = hwrng_register(&intel_rng); if (err) { printk(KERN_ERR PFX "RNG registering failed (%d)\n", err); - goto err_unmap; + iounmap(mem); } out: return err; -err_unmap: - iounmap(mem); - goto out; } static void __exit mod_exit(void) diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c index 353d9f3cf8d..0289705967d 100644 --- a/drivers/char/i8k.c +++ b/drivers/char/i8k.c @@ -22,6 +22,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/dmi.h> +#include <linux/capability.h> #include <asm/uaccess.h> #include <asm/io.h> diff --git a/drivers/char/ip27-rtc.c b/drivers/char/ip27-rtc.c index a48da02aad2..932264a657d 100644 --- a/drivers/char/ip27-rtc.c +++ b/drivers/char/ip27-rtc.c @@ -35,7 +35,6 @@ #include <linux/init.h> #include <linux/poll.h> #include <linux/proc_fs.h> -#include <linux/smp_lock.h> #include <asm/m48t35.h> #include <asm/sn/ioc3.h> diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index e22146546ad..6c5d15de331 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -9,6 +9,7 @@ * source@mvista.com * * Copyright 2002 MontaVista Software Inc. + * Copyright 2006 IBM Corp., Christian Krafft <krafft@de.ibm.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -64,6 +65,11 @@ #include <linux/string.h> #include <linux/ctype.h> +#ifdef CONFIG_PPC_OF +#include <asm/of_device.h> +#include <asm/of_platform.h> +#endif + #define PFX "ipmi_si: " /* Measure times between events in the driver. */ @@ -76,6 +82,12 @@ #define SI_SHORT_TIMEOUT_USEC 250 /* .25ms when the SM request a short timeout */ +/* Bit for BMC global enables. */ +#define IPMI_BMC_RCV_MSG_INTR 0x01 +#define IPMI_BMC_EVT_MSG_INTR 0x02 +#define IPMI_BMC_EVT_MSG_BUFF 0x04 +#define IPMI_BMC_SYS_LOG 0x08 + enum si_intf_state { SI_NORMAL, SI_GETTING_FLAGS, @@ -84,7 +96,9 @@ enum si_intf_state { SI_CLEARING_FLAGS_THEN_SET_IRQ, SI_GETTING_MESSAGES, SI_ENABLE_INTERRUPTS1, - SI_ENABLE_INTERRUPTS2 + SI_ENABLE_INTERRUPTS2, + SI_DISABLE_INTERRUPTS1, + SI_DISABLE_INTERRUPTS2 /* FIXME - add watchdog stuff. */ }; @@ -333,6 +347,17 @@ static void start_enable_irq(struct smi_info *smi_info) smi_info->si_state = SI_ENABLE_INTERRUPTS1; } +static void start_disable_irq(struct smi_info *smi_info) +{ + unsigned char msg[2]; + + msg[0] = (IPMI_NETFN_APP_REQUEST << 2); + msg[1] = IPMI_GET_BMC_GLOBAL_ENABLES_CMD; + + smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2); + smi_info->si_state = SI_DISABLE_INTERRUPTS1; +} + static void start_clear_flags(struct smi_info *smi_info) { unsigned char msg[3]; @@ -353,7 +378,7 @@ static void start_clear_flags(struct smi_info *smi_info) static inline void disable_si_irq(struct smi_info *smi_info) { if ((smi_info->irq) && (!smi_info->interrupt_disabled)) { - disable_irq_nosync(smi_info->irq); + start_disable_irq(smi_info); smi_info->interrupt_disabled = 1; } } @@ -361,7 +386,7 @@ static inline void disable_si_irq(struct smi_info *smi_info) static inline void enable_si_irq(struct smi_info *smi_info) { if ((smi_info->irq) && (smi_info->interrupt_disabled)) { - enable_irq(smi_info->irq); + start_enable_irq(smi_info); smi_info->interrupt_disabled = 0; } } @@ -583,7 +608,9 @@ static void handle_transaction_done(struct smi_info *smi_info) } else { msg[0] = (IPMI_NETFN_APP_REQUEST << 2); msg[1] = IPMI_SET_BMC_GLOBAL_ENABLES_CMD; - msg[2] = msg[3] | 1; /* enable msg queue int */ + msg[2] = (msg[3] | + IPMI_BMC_RCV_MSG_INTR | + IPMI_BMC_EVT_MSG_INTR); smi_info->handlers->start_transaction( smi_info->si_sm, msg, 3); smi_info->si_state = SI_ENABLE_INTERRUPTS2; @@ -605,6 +632,45 @@ static void handle_transaction_done(struct smi_info *smi_info) smi_info->si_state = SI_NORMAL; break; } + + case SI_DISABLE_INTERRUPTS1: + { + unsigned char msg[4]; + + /* We got the flags from the SMI, now handle them. */ + smi_info->handlers->get_result(smi_info->si_sm, msg, 4); + if (msg[2] != 0) { + printk(KERN_WARNING + "ipmi_si: Could not disable interrupts" + ", failed get.\n"); + smi_info->si_state = SI_NORMAL; + } else { + msg[0] = (IPMI_NETFN_APP_REQUEST << 2); + msg[1] = IPMI_SET_BMC_GLOBAL_ENABLES_CMD; + msg[2] = (msg[3] & + ~(IPMI_BMC_RCV_MSG_INTR | + IPMI_BMC_EVT_MSG_INTR)); + smi_info->handlers->start_transaction( + smi_info->si_sm, msg, 3); + smi_info->si_state = SI_DISABLE_INTERRUPTS2; + } + break; + } + + case SI_DISABLE_INTERRUPTS2: + { + unsigned char msg[4]; + + /* We got the flags from the SMI, now handle them. */ + smi_info->handlers->get_result(smi_info->si_sm, msg, 4); + if (msg[2] != 0) { + printk(KERN_WARNING + "ipmi_si: Could not disable interrupts" + ", failed set.\n"); + } + smi_info->si_state = SI_NORMAL; + break; + } } } @@ -858,9 +924,6 @@ static void smi_timeout(unsigned long data) struct timeval t; #endif - if (atomic_read(&smi_info->stop_operation)) - return; - spin_lock_irqsave(&(smi_info->si_lock), flags); #ifdef DEBUG_TIMING do_gettimeofday(&t); @@ -916,15 +979,11 @@ static irqreturn_t si_irq_handler(int irq, void *data) smi_info->interrupts++; spin_unlock(&smi_info->count_lock); - if (atomic_read(&smi_info->stop_operation)) - goto out; - #ifdef DEBUG_TIMING do_gettimeofday(&t); printk("**Interrupt: %d.%9.9d\n", t.tv_sec, t.tv_usec); #endif smi_event_handler(smi_info, 0); - out: spin_unlock_irqrestore(&(smi_info->si_lock), flags); return IRQ_HANDLED; } @@ -1006,6 +1065,7 @@ static DEFINE_MUTEX(smi_infos_lock); static int smi_num; /* Used to sequence the SMIs */ #define DEFAULT_REGSPACING 1 +#define DEFAULT_REGSIZE 1 static int si_trydefaults = 1; static char *si_type[SI_MAX_PARMS]; @@ -1111,7 +1171,7 @@ static int std_irq_setup(struct smi_info *info) if (info->si_type == SI_BT) { rv = request_irq(info->irq, si_bt_irq_handler, - IRQF_DISABLED, + IRQF_SHARED | IRQF_DISABLED, DEVICE_NAME, info); if (!rv) @@ -1121,7 +1181,7 @@ static int std_irq_setup(struct smi_info *info) } else rv = request_irq(info->irq, si_irq_handler, - IRQF_DISABLED, + IRQF_SHARED | IRQF_DISABLED, DEVICE_NAME, info); if (rv) { @@ -1701,15 +1761,11 @@ static u32 ipmi_acpi_gpe(void *context) smi_info->interrupts++; spin_unlock(&smi_info->count_lock); - if (atomic_read(&smi_info->stop_operation)) - goto out; - #ifdef DEBUG_TIMING do_gettimeofday(&t); printk("**ACPI_GPE: %d.%9.9d\n", t.tv_sec, t.tv_usec); #endif smi_event_handler(smi_info, 0); - out: spin_unlock_irqrestore(&(smi_info->si_lock), flags); return ACPI_INTERRUPT_HANDLED; @@ -2133,12 +2189,15 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev, info->irq_setup = std_irq_setup; info->dev = &pdev->dev; + pci_set_drvdata(pdev, info); return try_smi_init(info); } static void __devexit ipmi_pci_remove(struct pci_dev *pdev) { + struct smi_info *info = pci_get_drvdata(pdev); + cleanup_one_si(info); } #ifdef CONFIG_PM @@ -2172,6 +2231,99 @@ static struct pci_driver ipmi_pci_driver = { #endif /* CONFIG_PCI */ +#ifdef CONFIG_PPC_OF +static int __devinit ipmi_of_probe(struct of_device *dev, + const struct of_device_id *match) +{ + struct smi_info *info; + struct resource resource; + const int *regsize, *regspacing, *regshift; + struct device_node *np = dev->node; + int ret; + int proplen; + + dev_info(&dev->dev, PFX "probing via device tree\n"); + + ret = of_address_to_resource(np, 0, &resource); + if (ret) { + dev_warn(&dev->dev, PFX "invalid address from OF\n"); + return ret; + } + + regsize = get_property(np, "reg-size", &proplen); + if (regsize && proplen != 4) { + dev_warn(&dev->dev, PFX "invalid regsize from OF\n"); + return -EINVAL; + } + + regspacing = get_property(np, "reg-spacing", &proplen); + if (regspacing && proplen != 4) { + dev_warn(&dev->dev, PFX "invalid regspacing from OF\n"); + return -EINVAL; + } + + regshift = get_property(np, "reg-shift", &proplen); + if (regshift && proplen != 4) { + dev_warn(&dev->dev, PFX "invalid regshift from OF\n"); + return -EINVAL; + } + + info = kzalloc(sizeof(*info), GFP_KERNEL); + + if (!info) { + dev_err(&dev->dev, + PFX "could not allocate memory for OF probe\n"); + return -ENOMEM; + } + + info->si_type = (enum si_type) match->data; + info->addr_source = "device-tree"; + info->io_setup = mem_setup; + info->irq_setup = std_irq_setup; + + info->io.addr_type = IPMI_MEM_ADDR_SPACE; + info->io.addr_data = resource.start; + + info->io.regsize = regsize ? *regsize : DEFAULT_REGSIZE; + info->io.regspacing = regspacing ? *regspacing : DEFAULT_REGSPACING; + info->io.regshift = regshift ? *regshift : 0; + + info->irq = irq_of_parse_and_map(dev->node, 0); + info->dev = &dev->dev; + + dev_dbg(&dev->dev, "addr 0x%lx regsize %ld spacing %ld irq %x\n", + info->io.addr_data, info->io.regsize, info->io.regspacing, + info->irq); + + dev->dev.driver_data = (void*) info; + + return try_smi_init(info); +} + +static int __devexit ipmi_of_remove(struct of_device *dev) +{ + cleanup_one_si(dev->dev.driver_data); + return 0; +} + +static struct of_device_id ipmi_match[] = +{ + { .type = "ipmi", .compatible = "ipmi-kcs", .data = (void *)(unsigned long) SI_KCS }, + { .type = "ipmi", .compatible = "ipmi-smic", .data = (void *)(unsigned long) SI_SMIC }, + { .type = "ipmi", .compatible = "ipmi-bt", .data = (void *)(unsigned long) SI_BT }, + {}, +}; + +static struct of_platform_driver ipmi_of_platform_driver = +{ + .name = "ipmi", + .match_table = ipmi_match, + .probe = ipmi_of_probe, + .remove = __devexit_p(ipmi_of_remove), +}; +#endif /* CONFIG_PPC_OF */ + + static int try_get_dev_id(struct smi_info *smi_info) { unsigned char msg[2]; @@ -2801,6 +2953,10 @@ static __devinit int init_ipmi_si(void) } #endif +#ifdef CONFIG_PPC_OF + of_register_platform_driver(&ipmi_of_platform_driver); +#endif + if (si_trydefaults) { mutex_lock(&smi_infos_lock); if (list_empty(&smi_infos)) { @@ -2838,28 +2994,33 @@ static void cleanup_one_si(struct smi_info *to_clean) list_del(&to_clean->link); - /* Tell the timer and interrupt handlers that we are shutting - down. */ - spin_lock_irqsave(&(to_clean->si_lock), flags); - spin_lock(&(to_clean->msg_lock)); - + /* Tell the driver that we are shutting down. */ atomic_inc(&to_clean->stop_operation); - if (to_clean->irq_cleanup) - to_clean->irq_cleanup(to_clean); - - spin_unlock(&(to_clean->msg_lock)); - spin_unlock_irqrestore(&(to_clean->si_lock), flags); - - /* Wait until we know that we are out of any interrupt - handlers might have been running before we freed the - interrupt. */ - synchronize_sched(); - + /* Make sure the timer and thread are stopped and will not run + again. */ wait_for_timer_and_thread(to_clean); - /* Interrupts and timeouts are stopped, now make sure the - interface is in a clean state. */ + /* Timeouts are stopped, now make sure the interrupts are off + for the device. A little tricky with locks to make sure + there are no races. */ + spin_lock_irqsave(&to_clean->si_lock, flags); + while (to_clean->curr_msg || (to_clean->si_state != SI_NORMAL)) { + spin_unlock_irqrestore(&to_clean->si_lock, flags); + poll(to_clean); + schedule_timeout_uninterruptible(1); + spin_lock_irqsave(&to_clean->si_lock, flags); + } + disable_si_irq(to_clean); + spin_unlock_irqrestore(&to_clean->si_lock, flags); + while (to_clean->curr_msg || (to_clean->si_state != SI_NORMAL)) { + poll(to_clean); + schedule_timeout_uninterruptible(1); + } + + /* Clean up interrupts and make sure that everything is done. */ + if (to_clean->irq_cleanup) + to_clean->irq_cleanup(to_clean); while (to_clean->curr_msg || (to_clean->si_state != SI_NORMAL)) { poll(to_clean); schedule_timeout_uninterruptible(1); @@ -2898,6 +3059,10 @@ static __exit void cleanup_ipmi_si(void) pci_unregister_driver(&ipmi_pci_driver); #endif +#ifdef CONFIG_PPC_OF + of_unregister_platform_driver(&ipmi_of_platform_driver); +#endif + mutex_lock(&smi_infos_lock); list_for_each_entry_safe(e, tmp_e, &smi_infos, link) cleanup_one_si(e); diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 6b634e8d951..147c12047cf 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -39,6 +39,7 @@ #include <linux/miscdevice.h> #include <linux/init.h> #include <linux/completion.h> +#include <linux/kdebug.h> #include <linux/rwsem.h> #include <linux/errno.h> #include <asm/uaccess.h> @@ -49,9 +50,18 @@ #include <linux/poll.h> #include <linux/string.h> #include <linux/ctype.h> +#include <linux/delay.h> #include <asm/atomic.h> -#ifdef CONFIG_X86_LOCAL_APIC -#include <asm/apic.h> + +#ifdef CONFIG_X86 +/* This is ugly, but I've determined that x86 is the only architecture + that can reasonably support the IPMI NMI watchdog timeout at this + time. If another architecture adds this capability somehow, it + will have to be a somewhat different mechanism and I have no idea + how it will work. So in the unlikely event that another + architecture supports this, we can figure out a good generic + mechanism for it at that time. */ +#define HAVE_DIE_NMI_POST #endif #define PFX "IPMI Watchdog: " @@ -317,6 +327,11 @@ static unsigned char ipmi_version_minor; /* If a pretimeout occurs, this is used to allow only one panic to happen. */ static atomic_t preop_panic_excl = ATOMIC_INIT(-1); +#ifdef HAVE_DIE_NMI_POST +static int testing_nmi; +static int nmi_handler_registered; +#endif + static int ipmi_heartbeat(void); static void panic_halt_ipmi_heartbeat(void); @@ -358,6 +373,10 @@ static int i_ipmi_set_timeout(struct ipmi_smi_msg *smi_msg, int hbnow = 0; + /* These can be cleared as we are setting the timeout. */ + ipmi_start_timer_on_heartbeat = 0; + pretimeout_since_last_heartbeat = 0; + data[0] = 0; WDOG_SET_TIMER_USE(data[0], WDOG_TIMER_USE_SMS_OS); @@ -432,13 +451,12 @@ static int ipmi_set_timeout(int do_heartbeat) wait_for_completion(&set_timeout_wait); + mutex_unlock(&set_timeout_lock); + if ((do_heartbeat == IPMI_SET_TIMEOUT_FORCE_HB) || ((send_heartbeat_now) && (do_heartbeat == IPMI_SET_TIMEOUT_HB_IF_NECESSARY))) - { rv = ipmi_heartbeat(); - } - mutex_unlock(&set_timeout_lock); out: return rv; @@ -518,12 +536,10 @@ static int ipmi_heartbeat(void) int rv; struct ipmi_system_interface_addr addr; - if (ipmi_ignore_heartbeat) { + if (ipmi_ignore_heartbeat) return 0; - } if (ipmi_start_timer_on_heartbeat) { - ipmi_start_timer_on_heartbeat = 0; ipmi_watchdog_state = action_val; return ipmi_set_timeout(IPMI_SET_TIMEOUT_FORCE_HB); } else if (pretimeout_since_last_heartbeat) { @@ -531,7 +547,6 @@ static int ipmi_heartbeat(void) We don't want to set the action, though, we want to leave that alone (thus it can't be combined with the above operation. */ - pretimeout_since_last_heartbeat = 0; return ipmi_set_timeout(IPMI_SET_TIMEOUT_HB_IF_NECESSARY); } @@ -919,6 +934,45 @@ static void ipmi_register_watchdog(int ipmi_intf) printk(KERN_CRIT PFX "Unable to register misc device\n"); } +#ifdef HAVE_DIE_NMI_POST + if (nmi_handler_registered) { + int old_pretimeout = pretimeout; + int old_timeout = timeout; + int old_preop_val = preop_val; + + /* Set the pretimeout to go off in a second and give + ourselves plenty of time to stop the timer. */ + ipmi_watchdog_state = WDOG_TIMEOUT_RESET; + preop_val = WDOG_PREOP_NONE; /* Make sure nothing happens */ + pretimeout = 99; + timeout = 100; + + testing_nmi = 1; + + rv = ipmi_set_timeout(IPMI_SET_TIMEOUT_FORCE_HB); + if (rv) { + printk(KERN_WARNING PFX "Error starting timer to" + " test NMI: 0x%x. The NMI pretimeout will" + " likely not work\n", rv); + rv = 0; + goto out_restore; + } + + msleep(1500); + + if (testing_nmi != 2) { + printk(KERN_WARNING PFX "IPMI NMI didn't seem to" + " occur. The NMI pretimeout will" + " likely not work\n"); + } + out_restore: + testing_nmi = 0; + preop_val = old_preop_val; + pretimeout = old_pretimeout; + timeout = old_timeout; + } +#endif + out: up_write(®ister_sem); @@ -928,6 +982,10 @@ static void ipmi_register_watchdog(int ipmi_intf) ipmi_watchdog_state = action_val; ipmi_set_timeout(IPMI_SET_TIMEOUT_FORCE_HB); printk(KERN_INFO PFX "Starting now!\n"); + } else { + /* Stop the timer now. */ + ipmi_watchdog_state = WDOG_TIMEOUT_NONE; + ipmi_set_timeout(IPMI_SET_TIMEOUT_NO_HB); } } @@ -964,17 +1022,28 @@ static void ipmi_unregister_watchdog(int ipmi_intf) up_write(®ister_sem); } -#ifdef HAVE_NMI_HANDLER +#ifdef HAVE_DIE_NMI_POST static int -ipmi_nmi(void *dev_id, int cpu, int handled) +ipmi_nmi(struct notifier_block *self, unsigned long val, void *data) { + if (val != DIE_NMI_POST) + return NOTIFY_OK; + + if (testing_nmi) { + testing_nmi = 2; + return NOTIFY_STOP; + } + /* If we are not expecting a timeout, ignore it. */ if (ipmi_watchdog_state == WDOG_TIMEOUT_NONE) - return NOTIFY_DONE; + return NOTIFY_OK; + + if (preaction_val != WDOG_PRETIMEOUT_NMI) + return NOTIFY_OK; /* If no one else handled the NMI, we assume it was the IPMI watchdog. */ - if ((!handled) && (preop_val == WDOG_PREOP_PANIC)) { + if (preop_val == WDOG_PREOP_PANIC) { /* On some machines, the heartbeat will give an error and not work unless we re-enable the timer. So do so. */ @@ -983,18 +1052,12 @@ ipmi_nmi(void *dev_id, int cpu, int handled) panic(PFX "pre-timeout"); } - return NOTIFY_DONE; + return NOTIFY_STOP; } -static struct nmi_handler ipmi_nmi_handler = -{ - .link = LIST_HEAD_INIT(ipmi_nmi_handler.link), - .dev_name = "ipmi_watchdog", - .dev_id = NULL, - .handler = ipmi_nmi, - .priority = 0, /* Call us last. */ +static struct notifier_block ipmi_nmi_handler = { + .notifier_call = ipmi_nmi }; -int nmi_handler_registered; #endif static int wdog_reboot_handler(struct notifier_block *this, @@ -1111,7 +1174,7 @@ static int preaction_op(const char *inval, char *outval) preaction_val = WDOG_PRETIMEOUT_NONE; else if (strcmp(inval, "pre_smi") == 0) preaction_val = WDOG_PRETIMEOUT_SMI; -#ifdef HAVE_NMI_HANDLER +#ifdef HAVE_DIE_NMI_POST else if (strcmp(inval, "pre_nmi") == 0) preaction_val = WDOG_PRETIMEOUT_NMI; #endif @@ -1145,7 +1208,7 @@ static int preop_op(const char *inval, char *outval) static void check_parms(void) { -#ifdef HAVE_NMI_HANDLER +#ifdef HAVE_DIE_NMI_POST int do_nmi = 0; int rv; @@ -1158,20 +1221,9 @@ static void check_parms(void) preop_op("preop_none", NULL); do_nmi = 0; } -#ifdef CONFIG_X86_LOCAL_APIC - if (nmi_watchdog == NMI_IO_APIC) { - printk(KERN_WARNING PFX "nmi_watchdog is set to IO APIC" - " mode (value is %d), that is incompatible" - " with using NMI in the IPMI watchdog." - " Disabling IPMI nmi pretimeout.\n", - nmi_watchdog); - preaction_val = WDOG_PRETIMEOUT_NONE; - do_nmi = 0; - } -#endif } if (do_nmi && !nmi_handler_registered) { - rv = request_nmi(&ipmi_nmi_handler); + rv = register_die_notifier(&ipmi_nmi_handler); if (rv) { printk(KERN_WARNING PFX "Can't register nmi handler\n"); @@ -1179,7 +1231,7 @@ static void check_parms(void) } else nmi_handler_registered = 1; } else if (!do_nmi && nmi_handler_registered) { - release_nmi(&ipmi_nmi_handler); + unregister_die_notifier(&ipmi_nmi_handler); nmi_handler_registered = 0; } #endif @@ -1215,9 +1267,9 @@ static int __init ipmi_wdog_init(void) rv = ipmi_smi_watcher_register(&smi_watcher); if (rv) { -#ifdef HAVE_NMI_HANDLER - if (preaction_val == WDOG_PRETIMEOUT_NMI) - release_nmi(&ipmi_nmi_handler); +#ifdef HAVE_DIE_NMI_POST + if (nmi_handler_registered) + unregister_die_notifier(&ipmi_nmi_handler); #endif atomic_notifier_chain_unregister(&panic_notifier_list, &wdog_panic_notifier); @@ -1236,9 +1288,9 @@ static void __exit ipmi_wdog_exit(void) ipmi_smi_watcher_unregister(&smi_watcher); ipmi_unregister_watchdog(watchdog_ifnum); -#ifdef HAVE_NMI_HANDLER +#ifdef HAVE_DIE_NMI_POST if (nmi_handler_registered) - release_nmi(&ipmi_nmi_handler); + unregister_die_notifier(&ipmi_nmi_handler); #endif atomic_notifier_chain_unregister(&panic_notifier_list, diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 43ab9edc76f..761f77740d6 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -137,11 +137,10 @@ #define InterruptTheCard(base) outw(0, (base) + 0xc) #define ClearInterrupt(base) inw((base) + 0x0a) +#define pr_dbg(str...) pr_debug("ISICOM: " str) #ifdef DEBUG -#define pr_dbg(str...) printk(KERN_DEBUG "ISICOM: " str) #define isicom_paranoia_check(a, b, c) __isicom_paranoia_check((a), (b), (c)) #else -#define pr_dbg(str...) do { } while (0) #define isicom_paranoia_check(a, b, c) 0 #endif diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c index c06e86ad1da..1b094509b1d 100644 --- a/drivers/char/keyboard.c +++ b/drivers/char/keyboard.c @@ -109,7 +109,7 @@ struct kbd_struct kbd_table[MAX_NR_CONSOLES]; static struct kbd_struct *kbd = kbd_table; struct vt_spawn_console vt_spawn_con = { - .lock = SPIN_LOCK_UNLOCKED, + .lock = __SPIN_LOCK_UNLOCKED(vt_spawn_con.lock), .pid = NULL, .sig = 0, }; diff --git a/drivers/char/lp.c b/drivers/char/lp.c index b51d08be0bc..62051f8b091 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -118,7 +118,6 @@ #include <linux/kernel.h> #include <linux/major.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/fcntl.h> #include <linux/delay.h> @@ -139,9 +138,6 @@ /* if you have more than 8 printers, remember to increase LP_NO */ #define LP_NO 8 -/* ROUND_UP macro from fs/select.c */ -#define ROUND_UP(x,y) (((x)+(y)-1)/(y)) - static struct lp_struct lp_table[LP_NO]; static unsigned int lp_count = 0; @@ -652,7 +648,7 @@ static int lp_ioctl(struct inode *inode, struct file *file, (par_timeout.tv_usec < 0)) { return -EINVAL; } - to_jiffies = ROUND_UP(par_timeout.tv_usec, 1000000/HZ); + to_jiffies = DIV_ROUND_UP(par_timeout.tv_usec, 1000000/HZ); to_jiffies += par_timeout.tv_sec * (long) HZ; if (to_jiffies <= 0) { return -EINVAL; @@ -803,7 +799,7 @@ static int lp_register(int nr, struct parport *port) if (reset) lp_reset(nr); - class_device_create(lp_class, NULL, MKDEV(LP_MAJOR, nr), NULL, + class_device_create(lp_class, NULL, MKDEV(LP_MAJOR, nr), port->dev, "lp%d", nr); printk(KERN_INFO "lp%d: using %s (%s).\n", nr, port->name, diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 5f066963f17..cc9a9d0df97 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -18,7 +18,6 @@ #include <linux/raw.h> #include <linux/tty.h> #include <linux/capability.h> -#include <linux/smp_lock.h> #include <linux/ptrace.h> #include <linux/device.h> #include <linux/highmem.h> @@ -552,7 +551,7 @@ static ssize_t write_kmem(struct file * file, const char __user * buf, return virtr + wrote; } -#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__) +#ifdef CONFIG_DEVPORT static ssize_t read_port(struct file * file, char __user * buf, size_t count, loff_t *ppos) { @@ -835,7 +834,7 @@ static const struct file_operations null_fops = { .splice_write = splice_write_null, }; -#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__) +#ifdef CONFIG_DEVPORT static const struct file_operations port_fops = { .llseek = memory_lseek, .read = read_port, @@ -913,7 +912,7 @@ static int memory_open(struct inode * inode, struct file * filp) case 3: filp->f_op = &null_fops; break; -#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__) +#ifdef CONFIG_DEVPORT case 4: filp->f_op = &port_fops; break; @@ -960,7 +959,7 @@ static const struct { {1, "mem", S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops}, {2, "kmem", S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops}, {3, "null", S_IRUGO | S_IWUGO, &null_fops}, -#if (defined(CONFIG_ISA) || defined(CONFIG_PCI)) && !defined(__mc68000__) +#ifdef CONFIG_DEVPORT {4, "port", S_IRUSR | S_IWUSR | S_IRGRP, &port_fops}, #endif {5, "zero", S_IRUGO | S_IWUGO, &zero_fops}, diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 7e975f60692..4e6fb9651a1 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -41,6 +41,7 @@ #include <linux/kernel.h> #include <linux/major.h> #include <linux/slab.h> +#include <linux/mutex.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/stat.h> @@ -53,7 +54,7 @@ * Head entry for the doubly linked miscdevice list */ static LIST_HEAD(misc_list); -static DECLARE_MUTEX(misc_sem); +static DEFINE_MUTEX(misc_mtx); /* * Assigned numbers, used for dynamic minors @@ -69,7 +70,7 @@ static void *misc_seq_start(struct seq_file *seq, loff_t *pos) struct miscdevice *p; loff_t off = 0; - down(&misc_sem); + mutex_lock(&misc_mtx); list_for_each_entry(p, &misc_list, list) { if (*pos == off++) return p; @@ -89,7 +90,7 @@ static void *misc_seq_next(struct seq_file *seq, void *v, loff_t *pos) static void misc_seq_stop(struct seq_file *seq, void *v) { - up(&misc_sem); + mutex_unlock(&misc_mtx); } static int misc_seq_show(struct seq_file *seq, void *v) @@ -129,7 +130,7 @@ static int misc_open(struct inode * inode, struct file * file) int err = -ENODEV; const struct file_operations *old_fops, *new_fops = NULL; - down(&misc_sem); + mutex_lock(&misc_mtx); list_for_each_entry(c, &misc_list, list) { if (c->minor == minor) { @@ -139,9 +140,9 @@ static int misc_open(struct inode * inode, struct file * file) } if (!new_fops) { - up(&misc_sem); + mutex_unlock(&misc_mtx); request_module("char-major-%d-%d", MISC_MAJOR, minor); - down(&misc_sem); + mutex_lock(&misc_mtx); list_for_each_entry(c, &misc_list, list) { if (c->minor == minor) { @@ -165,7 +166,7 @@ static int misc_open(struct inode * inode, struct file * file) } fops_put(old_fops); fail: - up(&misc_sem); + mutex_unlock(&misc_mtx); return err; } @@ -201,10 +202,10 @@ int misc_register(struct miscdevice * misc) INIT_LIST_HEAD(&misc->list); - down(&misc_sem); + mutex_lock(&misc_mtx); list_for_each_entry(c, &misc_list, list) { if (c->minor == misc->minor) { - up(&misc_sem); + mutex_unlock(&misc_mtx); return -EBUSY; } } @@ -215,7 +216,7 @@ int misc_register(struct miscdevice * misc) if ( (misc_minors[i>>3] & (1 << (i&7))) == 0) break; if (i<0) { - up(&misc_sem); + mutex_unlock(&misc_mtx); return -EBUSY; } misc->minor = i; @@ -238,7 +239,7 @@ int misc_register(struct miscdevice * misc) */ list_add(&misc->list, &misc_list); out: - up(&misc_sem); + mutex_unlock(&misc_mtx); return err; } @@ -259,13 +260,13 @@ int misc_deregister(struct miscdevice * misc) if (list_empty(&misc->list)) return -EINVAL; - down(&misc_sem); + mutex_lock(&misc_mtx); list_del(&misc->list); device_destroy(misc_class, MKDEV(MISC_MAJOR, misc->minor)); if (i < DYNAMIC_MINORS && i>0) { misc_minors[i>>3] &= ~(1 << (misc->minor & 7)); } - up(&misc_sem); + mutex_unlock(&misc_mtx); return 0; } diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 7dbaee8d940..e0d35c20c04 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -1582,7 +1582,7 @@ copy: if(copy_from_user(&dltmp, argp, sizeof(struct dl_str))) return -EFAULT; - if(dltmp.cardno < 0 || dltmp.cardno >= MAX_BOARDS) + if(dltmp.cardno < 0 || dltmp.cardno >= MAX_BOARDS || dltmp.len < 0) return -EINVAL; switch(cmd) @@ -2529,6 +2529,8 @@ static int moxaloadbios(int cardno, unsigned char __user *tmp, int len) void __iomem *baseAddr; int i; + if(len < 0 || len > sizeof(moxaBuff)) + return -EINVAL; if(copy_from_user(moxaBuff, tmp, len)) return -EFAULT; baseAddr = moxa_boards[cardno].basemem; @@ -2576,7 +2578,7 @@ static int moxaload320b(int cardno, unsigned char __user *tmp, int len) void __iomem *baseAddr; int i; - if(len > sizeof(moxaBuff)) + if(len < 0 || len > sizeof(moxaBuff)) return -EINVAL; if(copy_from_user(moxaBuff, tmp, len)) return -EFAULT; @@ -2596,6 +2598,8 @@ static int moxaloadcode(int cardno, unsigned char __user *tmp, int len) void __iomem *baseAddr, *ofsAddr; int retval, port, i; + if(len < 0 || len > sizeof(moxaBuff)) + return -EINVAL; if(copy_from_user(moxaBuff, tmp, len)) return -EFAULT; baseAddr = moxa_boards[cardno].basemem; diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 80a01150b86..5953a45d7e9 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -54,7 +54,6 @@ #include <linux/gfp.h> #include <linux/ioport.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/pci.h> diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c index f7603b6aeb8..6cde448cd5b 100644 --- a/drivers/char/mxser_new.c +++ b/drivers/char/mxser_new.c @@ -37,7 +37,6 @@ #include <linux/gfp.h> #include <linux/ioport.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/pci.h> diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c index 65f2d3a96b8..14557a4822c 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/char/n_r3964.c @@ -1088,13 +1088,13 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file, /* block until there is a message: */ add_wait_queue(&pInfo->read_wait, &wait); repeat: - current->state = TASK_INTERRUPTIBLE; + __set_current_state(TASK_INTERRUPTIBLE); pMsg = remove_msg(pInfo, pClient); if (!pMsg && !signal_pending(current)) { schedule(); goto repeat; } - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&pInfo->read_wait, &wait); } diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index 4abd1eff61d..84ac64fc48a 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -66,7 +66,6 @@ #include <linux/poll.h> #include <linux/major.h> #include <linux/ppdev.h> -#include <linux/smp_lock.h> #include <linux/device.h> #include <asm/uaccess.h> @@ -752,7 +751,7 @@ static const struct file_operations pp_fops = { static void pp_attach(struct parport *port) { - device_create(ppdev_class, NULL, MKDEV(PP_MAJOR, port->number), + device_create(ppdev_class, port->dev, MKDEV(PP_MAJOR, port->number), "parport%d", port->number); } diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 70145254fb9..3494e3fc44b 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -980,7 +980,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, } schedule(); } - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&port->open_wait, &wait); if (!tty_hung_up_p(filp)) port->count++; diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c index 76357c855ce..61a63da420c 100644 --- a/drivers/char/rocket.c +++ b/drivers/char/rocket.c @@ -65,10 +65,6 @@ /****** Kernel includes ******/ -#ifdef MODVERSIONS -#include <config/modversions.h> -#endif - #include <linux/module.h> #include <linux/errno.h> #include <linux/major.h> @@ -85,6 +81,7 @@ #include <linux/string.h> #include <linux/fcntl.h> #include <linux/ptrace.h> +#include <linux/mutex.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/wait.h> @@ -93,7 +90,6 @@ #include <asm/atomic.h> #include <linux/bitops.h> #include <linux/spinlock.h> -#include <asm/semaphore.h> #include <linux/init.h> /****** RocketPort includes ******/ @@ -702,7 +698,7 @@ static void init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev) } } spin_lock_init(&info->slock); - sema_init(&info->write_sem, 1); + mutex_init(&info->write_mtx); rp_table[line] = info; if (pci_dev) tty_register_device(rocket_driver, line, &pci_dev->dev); @@ -947,7 +943,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, #endif schedule(); /* Don't hold spinlock here, will hang PC */ } - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&info->open_wait, &wait); spin_lock_irqsave(&info->slock, flags); @@ -1602,7 +1598,7 @@ static void rp_wait_until_sent(struct tty_struct *tty, int timeout) if (signal_pending(current)) break; } - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); #ifdef ROCKET_DEBUG_WAIT_UNTIL_SENT printk(KERN_INFO "txcnt = %d (jiff=%lu)...done\n", txcnt, jiffies); #endif @@ -1661,8 +1657,11 @@ static void rp_put_char(struct tty_struct *tty, unsigned char ch) if (rocket_paranoia_check(info, "rp_put_char")) return; - /* Grab the port write semaphore, locking out other processes that try to write to this port */ - down(&info->write_sem); + /* + * Grab the port write mutex, locking out other processes that try to + * write to this port + */ + mutex_lock(&info->write_mtx); #ifdef ROCKET_DEBUG_WRITE printk(KERN_INFO "rp_put_char %c...", ch); @@ -1684,12 +1683,12 @@ static void rp_put_char(struct tty_struct *tty, unsigned char ch) info->xmit_fifo_room--; } spin_unlock_irqrestore(&info->slock, flags); - up(&info->write_sem); + mutex_unlock(&info->write_mtx); } /* * Exception handler - write routine, called when user app writes to the device. - * A per port write semaphore is used to protect from another process writing to + * A per port write mutex is used to protect from another process writing to * this port at the same time. This other process could be running on the other CPU * or get control of the CPU if the copy_from_user() blocks due to a page fault (swapped out). * Spinlocks protect the info xmit members. @@ -1706,7 +1705,7 @@ static int rp_write(struct tty_struct *tty, if (count <= 0 || rocket_paranoia_check(info, "rp_write")) return 0; - down_interruptible(&info->write_sem); + mutex_lock_interruptible(&info->write_mtx); #ifdef ROCKET_DEBUG_WRITE printk(KERN_INFO "rp_write %d chars...", count); @@ -1777,7 +1776,7 @@ end: wake_up_interruptible(&tty->poll_wait); #endif } - up(&info->write_sem); + mutex_unlock(&info->write_mtx); return retval; } @@ -1852,6 +1851,12 @@ static void rp_flush_buffer(struct tty_struct *tty) #ifdef CONFIG_PCI +static struct pci_device_id __devinitdata rocket_pci_ids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_RP, PCI_ANY_ID) }, + { } +}; +MODULE_DEVICE_TABLE(pci, rocket_pci_ids); + /* * Called when a PCI card is found. Retrieves and stores model information, * init's aiopic and serial port hardware. diff --git a/drivers/char/rocket_int.h b/drivers/char/rocket_int.h index 3a8bcc85bc1..89b4d7b10d1 100644 --- a/drivers/char/rocket_int.h +++ b/drivers/char/rocket_int.h @@ -15,6 +15,8 @@ #define ROCKET_TYPE_MODEMIII 3 #define ROCKET_TYPE_PC104 4 +#include <linux/mutex.h> + #include <asm/io.h> #include <asm/byteorder.h> @@ -1171,7 +1173,7 @@ struct r_port { struct wait_queue *close_wait; #endif spinlock_t slock; - struct semaphore write_sem; + struct mutex write_mtx; }; #define RPORT_MAGIC 0x525001 diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index c7dac9b1335..20380a2c4de 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -388,7 +388,7 @@ static ssize_t rtc_read(struct file *file, char __user *buf, if (!retval) retval = count; out: - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&rtc_wait, &wait); return retval; diff --git a/drivers/char/selection.c b/drivers/char/selection.c index 74cff839c85..a69f094d1ed 100644 --- a/drivers/char/selection.c +++ b/drivers/char/selection.c @@ -299,7 +299,7 @@ int paste_selection(struct tty_struct *tty) pasted += count; } remove_wait_queue(&vc->paste_wait, &wait); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); tty_ldisc_deref(ld); return 0; diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index 5fd314adc1f..c585b4738f8 100644 --- a/drivers/char/serial167.c +++ b/drivers/char/serial167.c @@ -1892,7 +1892,7 @@ block_til_ready(struct tty_struct *tty, struct file *filp, #endif schedule(); } - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&info->open_wait, &wait); if (!tty_hung_up_p(filp)) { info->count++; diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index ce4db6f5236..f02a0795983 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -4010,8 +4010,13 @@ static int mgsl_alloc_intermediate_txbuffer_memory(struct mgsl_struct *info) for ( i=0; i<info->num_tx_holding_buffers; ++i) { info->tx_holding_buffers[i].buffer = kmalloc(info->max_frame_size, GFP_KERNEL); - if ( info->tx_holding_buffers[i].buffer == NULL ) + if (info->tx_holding_buffers[i].buffer == NULL) { + for (--i; i >= 0; i--) { + kfree(info->tx_holding_buffers[i].buffer); + info->tx_holding_buffers[i].buffer = NULL; + } return -ENOMEM; + } } return 0; diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index 0a367cd4121..2a7736b5f2f 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -3415,6 +3415,9 @@ static void device_init(int adapter_num, struct pci_dev *pdev) } } } + + for (i=0; i < port_count; ++i) + tty_register_device(serial_driver, port_array[i]->line, &(port_array[i]->pdev->dev)); } static int __devinit init_one(struct pci_dev *dev, @@ -3466,6 +3469,8 @@ static void slgt_cleanup(void) printk("unload %s %s\n", driver_name, driver_version); if (serial_driver) { + for (info=slgt_device_list ; info != NULL ; info=info->next_device) + tty_unregister_device(serial_driver, info->line); if ((rc = tty_unregister_driver(serial_driver))) DBGERR(("tty_unregister_driver error=%d\n", rc)); put_tty_driver(serial_driver); @@ -3506,23 +3511,10 @@ static int __init slgt_init(void) printk("%s %s\n", driver_name, driver_version); - slgt_device_count = 0; - if ((rc = pci_register_driver(&pci_driver)) < 0) { - printk("%s pci_register_driver error=%d\n", driver_name, rc); - return rc; - } - pci_registered = 1; - - if (!slgt_device_list) { - printk("%s no devices found\n",driver_name); - pci_unregister_driver(&pci_driver); - return -ENODEV; - } - serial_driver = alloc_tty_driver(MAX_DEVICES); if (!serial_driver) { - rc = -ENOMEM; - goto error; + printk("%s can't allocate tty driver\n", driver_name); + return -ENOMEM; } /* Initialize the tty_driver structure */ @@ -3539,7 +3531,7 @@ static int __init slgt_init(void) B9600 | CS8 | CREAD | HUPCL | CLOCAL; serial_driver->init_termios.c_ispeed = 9600; serial_driver->init_termios.c_ospeed = 9600; - serial_driver->flags = TTY_DRIVER_REAL_RAW; + serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; tty_set_operations(serial_driver, &ops); if ((rc = tty_register_driver(serial_driver)) < 0) { DBGERR(("%s can't register serial driver\n", driver_name)); @@ -3552,6 +3544,16 @@ static int __init slgt_init(void) driver_name, driver_version, serial_driver->major); + slgt_device_count = 0; + if ((rc = pci_register_driver(&pci_driver)) < 0) { + printk("%s pci_register_driver error=%d\n", driver_name, rc); + goto error; + } + pci_registered = 1; + + if (!slgt_device_list) + printk("%s no devices found\n",driver_name); + return 0; error: diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 1d8c4ae6155..39cc318011e 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -24,7 +24,6 @@ #include <linux/sysrq.h> #include <linux/kbd_kern.h> #include <linux/quotaops.h> -#include <linux/smp_lock.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/suspend.h> diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c index 47fb20f6969..35b40b99653 100644 --- a/drivers/char/tipar.c +++ b/drivers/char/tipar.c @@ -442,7 +442,7 @@ tipar_register(int nr, struct parport *port) } class_device_create(tipar_class, NULL, MKDEV(TIPAR_MAJOR, - TIPAR_MINOR + nr), NULL, "par%d", nr); + TIPAR_MINOR + nr), port->dev, "par%d", nr); /* Display informations */ pr_info("tipar%d: using %s (%s)\n", nr, port->name, (port->irq == diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index e5a254a434f..9bb542913b8 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -24,7 +24,9 @@ */ #include <linux/poll.h> +#include <linux/mutex.h> #include <linux/spinlock.h> + #include "tpm.h" enum tpm_const { @@ -328,10 +330,10 @@ static void timeout_work(struct work_struct *work) { struct tpm_chip *chip = container_of(work, struct tpm_chip, work); - down(&chip->buffer_mutex); + mutex_lock(&chip->buffer_mutex); atomic_set(&chip->data_pending, 0); memset(chip->data_buffer, 0, TPM_BUFSIZE); - up(&chip->buffer_mutex); + mutex_unlock(&chip->buffer_mutex); } /* @@ -380,7 +382,7 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf, return -E2BIG; } - down(&chip->tpm_mutex); + mutex_lock(&chip->tpm_mutex); if ((rc = chip->vendor.send(chip, (u8 *) buf, count)) < 0) { dev_err(chip->dev, @@ -419,7 +421,7 @@ out_recv: dev_err(chip->dev, "tpm_transmit: tpm_recv: error %zd\n", rc); out: - up(&chip->tpm_mutex); + mutex_unlock(&chip->tpm_mutex); return rc; } @@ -942,12 +944,12 @@ int tpm_release(struct inode *inode, struct file *file) { struct tpm_chip *chip = file->private_data; + flush_scheduled_work(); spin_lock(&driver_lock); file->private_data = NULL; - chip->num_opens--; del_singleshot_timer_sync(&chip->user_read_timer); - flush_scheduled_work(); atomic_set(&chip->data_pending, 0); + chip->num_opens--; put_device(chip->dev); kfree(chip->data_buffer); spin_unlock(&driver_lock); @@ -966,14 +968,14 @@ ssize_t tpm_write(struct file *file, const char __user *buf, while (atomic_read(&chip->data_pending) != 0) msleep(TPM_TIMEOUT); - down(&chip->buffer_mutex); + mutex_lock(&chip->buffer_mutex); if (in_size > TPM_BUFSIZE) in_size = TPM_BUFSIZE; if (copy_from_user (chip->data_buffer, (void __user *) buf, in_size)) { - up(&chip->buffer_mutex); + mutex_unlock(&chip->buffer_mutex); return -EFAULT; } @@ -981,7 +983,7 @@ ssize_t tpm_write(struct file *file, const char __user *buf, out_size = tpm_transmit(chip, chip->data_buffer, TPM_BUFSIZE); atomic_set(&chip->data_pending, out_size); - up(&chip->buffer_mutex); + mutex_unlock(&chip->buffer_mutex); /* Set a timeout by which the reader must come claim the result */ mod_timer(&chip->user_read_timer, jiffies + (60 * HZ)); @@ -1004,10 +1006,10 @@ ssize_t tpm_read(struct file *file, char __user *buf, if (size < ret_size) ret_size = size; - down(&chip->buffer_mutex); + mutex_lock(&chip->buffer_mutex); if (copy_to_user(buf, chip->data_buffer, ret_size)) ret_size = -EFAULT; - up(&chip->buffer_mutex); + mutex_unlock(&chip->buffer_mutex); } return ret_size; @@ -1097,11 +1099,16 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vend /* Driver specific per-device data */ chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) + devname = kmalloc(DEVNAME_SIZE, GFP_KERNEL); + + if (chip == NULL || devname == NULL) { + kfree(chip); + kfree(devname); return NULL; + } - init_MUTEX(&chip->buffer_mutex); - init_MUTEX(&chip->tpm_mutex); + mutex_init(&chip->buffer_mutex); + mutex_init(&chip->tpm_mutex); INIT_LIST_HEAD(&chip->list); INIT_WORK(&chip->work, timeout_work); @@ -1124,7 +1131,6 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vend set_bit(chip->dev_num, dev_mask); - devname = kmalloc(DEVNAME_SIZE, GFP_KERNEL); scnprintf(devname, DEVNAME_SIZE, "%s%d", "tpm", chip->dev_num); chip->vendor.miscdev.name = devname; diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 9f273f032b0..b2e2b002a1b 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/fs.h> +#include <linux/mutex.h> #include <linux/sched.h> #include <linux/miscdevice.h> #include <linux/platform_device.h> @@ -94,11 +95,11 @@ struct tpm_chip { /* Data passed to and from the tpm via the read/write calls */ u8 *data_buffer; atomic_t data_pending; - struct semaphore buffer_mutex; + struct mutex buffer_mutex; struct timer_list user_read_timer; /* user needs to claim result */ struct work_struct work; - struct semaphore tpm_mutex; /* tpm is processing */ + struct mutex tpm_mutex; /* tpm is processing */ struct tpm_vendor_specific vendor; diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h index 3c852009196..c912d8691cb 100644 --- a/drivers/char/tpm/tpm_atmel.h +++ b/drivers/char/tpm/tpm_atmel.h @@ -47,12 +47,12 @@ static void __iomem * atmel_get_base_addr(unsigned long *base, int *region_size) if (!dn) return NULL; - if (!device_is_compatible(dn, "AT97SC3201")) { + if (!of_device_is_compatible(dn, "AT97SC3201")) { of_node_put(dn); return NULL; } - reg = get_property(dn, "reg", ®len); + reg = of_get_property(dn, "reg", ®len); naddrc = of_n_addr_cells(dn); nsizec = of_n_size_cells(dn); diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c index 1353b5a6bae..967002a5a1e 100644 --- a/drivers/char/tpm/tpm_infineon.c +++ b/drivers/char/tpm/tpm_infineon.c @@ -30,12 +30,60 @@ #define TPM_MAX_TRIES 5000 #define TPM_INFINEON_DEV_VEN_VALUE 0x15D1 -/* These values will be filled after PnP-call */ -static int TPM_INF_DATA; -static int TPM_INF_ADDR; -static int TPM_INF_BASE; -static int TPM_INF_ADDR_LEN; -static int TPM_INF_PORT_LEN; +#define TPM_INF_IO_PORT 0x0 +#define TPM_INF_IO_MEM 0x1 + +#define TPM_INF_ADDR 0x0 +#define TPM_INF_DATA 0x1 + +struct tpm_inf_dev { + int iotype; + + void __iomem *mem_base; /* MMIO ioremap'd addr */ + unsigned long map_base; /* phys MMIO base */ + unsigned long map_size; /* MMIO region size */ + unsigned int index_off; /* index register offset */ + + unsigned int data_regs; /* Data registers */ + unsigned int data_size; + + unsigned int config_port; /* IO Port config index reg */ + unsigned int config_size; +}; + +static struct tpm_inf_dev tpm_dev; + +static inline void tpm_data_out(unsigned char data, unsigned char offset) +{ + if (tpm_dev.iotype == TPM_INF_IO_PORT) + outb(data, tpm_dev.data_regs + offset); + else + writeb(data, tpm_dev.mem_base + tpm_dev.data_regs + offset); +} + +static inline unsigned char tpm_data_in(unsigned char offset) +{ + if (tpm_dev.iotype == TPM_INF_IO_PORT) + return inb(tpm_dev.data_regs + offset); + else + return readb(tpm_dev.mem_base + tpm_dev.data_regs + offset); +} + +static inline void tpm_config_out(unsigned char data, unsigned char offset) +{ + if (tpm_dev.iotype == TPM_INF_IO_PORT) + outb(data, tpm_dev.config_port + offset); + else + writeb(data, tpm_dev.mem_base + tpm_dev.index_off + offset); +} + +static inline unsigned char tpm_config_in(unsigned char offset) +{ + if (tpm_dev.iotype == TPM_INF_IO_PORT) + return inb(tpm_dev.config_port + offset); + else + return readb(tpm_dev.mem_base + tpm_dev.index_off + offset); +} /* TPM header definitions */ enum infineon_tpm_header { @@ -105,7 +153,7 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo) if (clear_wrfifo) { for (i = 0; i < 4096; i++) { - status = inb(chip->vendor.base + WRFIFO); + status = tpm_data_in(WRFIFO); if (status == 0xff) { if (check == 5) break; @@ -125,8 +173,8 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo) */ i = 0; do { - status = inb(chip->vendor.base + RDFIFO); - status = inb(chip->vendor.base + STAT); + status = tpm_data_in(RDFIFO); + status = tpm_data_in(STAT); i++; if (i == TPM_MAX_TRIES) return -EIO; @@ -139,7 +187,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit) int status; int i; for (i = 0; i < TPM_MAX_TRIES; i++) { - status = inb(chip->vendor.base + STAT); + status = tpm_data_in(STAT); /* check the status-register if wait_for_bit is set */ if (status & 1 << wait_for_bit) break; @@ -158,7 +206,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit) static void wait_and_send(struct tpm_chip *chip, u8 sendbyte) { wait(chip, STAT_XFE); - outb(sendbyte, chip->vendor.base + WRFIFO); + tpm_data_out(sendbyte, WRFIFO); } /* Note: WTX means Waiting-Time-Extension. Whenever the TPM needs more @@ -205,7 +253,7 @@ recv_begin: ret = wait(chip, STAT_RDA); if (ret) return -EIO; - buf[i] = inb(chip->vendor.base + RDFIFO); + buf[i] = tpm_data_in(RDFIFO); } if (buf[0] != TPM_VL_VER) { @@ -220,7 +268,7 @@ recv_begin: for (i = 0; i < size; i++) { wait(chip, STAT_RDA); - buf[i] = inb(chip->vendor.base + RDFIFO); + buf[i] = tpm_data_in(RDFIFO); } if ((size == 0x6D00) && (buf[1] == 0x80)) { @@ -269,7 +317,7 @@ static int tpm_inf_send(struct tpm_chip *chip, u8 * buf, size_t count) u8 count_high, count_low, count_4, count_3, count_2, count_1; /* Disabling Reset, LP and IRQC */ - outb(RESET_LP_IRQC_DISABLE, chip->vendor.base + CMD); + tpm_data_out(RESET_LP_IRQC_DISABLE, CMD); ret = empty_fifo(chip, 1); if (ret) { @@ -320,7 +368,7 @@ static void tpm_inf_cancel(struct tpm_chip *chip) static u8 tpm_inf_status(struct tpm_chip *chip) { - return inb(chip->vendor.base + STAT); + return tpm_data_in(STAT); } static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL); @@ -381,51 +429,88 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev, /* read IO-ports through PnP */ if (pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && !(pnp_port_flags(dev, 0) & IORESOURCE_DISABLED)) { - TPM_INF_ADDR = pnp_port_start(dev, 0); - TPM_INF_ADDR_LEN = pnp_port_len(dev, 0); - TPM_INF_DATA = (TPM_INF_ADDR + 1); - TPM_INF_BASE = pnp_port_start(dev, 1); - TPM_INF_PORT_LEN = pnp_port_len(dev, 1); - if ((TPM_INF_PORT_LEN < 4) || (TPM_INF_ADDR_LEN < 2)) { + + tpm_dev.iotype = TPM_INF_IO_PORT; + + tpm_dev.config_port = pnp_port_start(dev, 0); + tpm_dev.config_size = pnp_port_len(dev, 0); + tpm_dev.data_regs = pnp_port_start(dev, 1); + tpm_dev.data_size = pnp_port_len(dev, 1); + if ((tpm_dev.data_size < 4) || (tpm_dev.config_size < 2)) { rc = -EINVAL; goto err_last; } dev_info(&dev->dev, "Found %s with ID %s\n", dev->name, dev_id->id); - if (!((TPM_INF_BASE >> 8) & 0xff)) { + if (!((tpm_dev.data_regs >> 8) & 0xff)) { rc = -EINVAL; goto err_last; } /* publish my base address and request region */ - if (request_region - (TPM_INF_BASE, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) { + if (request_region(tpm_dev.data_regs, tpm_dev.data_size, + "tpm_infineon0") == NULL) { rc = -EINVAL; goto err_last; } - if (request_region - (TPM_INF_ADDR, TPM_INF_ADDR_LEN, "tpm_infineon0") == NULL) { + if (request_region(tpm_dev.config_port, tpm_dev.config_size, + "tpm_infineon0") == NULL) { + release_region(tpm_dev.data_regs, tpm_dev.data_size); rc = -EINVAL; goto err_last; } + } else if (pnp_mem_valid(dev, 0) && + !(pnp_mem_flags(dev, 0) & IORESOURCE_DISABLED)) { + + tpm_dev.iotype = TPM_INF_IO_MEM; + + tpm_dev.map_base = pnp_mem_start(dev, 0); + tpm_dev.map_size = pnp_mem_len(dev, 0); + + dev_info(&dev->dev, "Found %s with ID %s\n", + dev->name, dev_id->id); + + /* publish my base address and request region */ + if (request_mem_region(tpm_dev.map_base, tpm_dev.map_size, + "tpm_infineon0") == NULL) { + rc = -EINVAL; + goto err_last; + } + + tpm_dev.mem_base = ioremap(tpm_dev.map_base, tpm_dev.map_size); + if (tpm_dev.mem_base == NULL) { + release_mem_region(tpm_dev.map_base, tpm_dev.map_size); + rc = -EINVAL; + goto err_last; + } + + /* + * The only known MMIO based Infineon TPM system provides + * a single large mem region with the device config + * registers at the default TPM_ADDR. The data registers + * seem like they could be placed anywhere within the MMIO + * region, but lets just put them at zero offset. + */ + tpm_dev.index_off = TPM_ADDR; + tpm_dev.data_regs = 0x0; } else { rc = -EINVAL; goto err_last; } /* query chip for its vendor, its version number a.s.o. */ - outb(ENABLE_REGISTER_PAIR, TPM_INF_ADDR); - outb(IDVENL, TPM_INF_ADDR); - vendorid[1] = inb(TPM_INF_DATA); - outb(IDVENH, TPM_INF_ADDR); - vendorid[0] = inb(TPM_INF_DATA); - outb(IDPDL, TPM_INF_ADDR); - productid[1] = inb(TPM_INF_DATA); - outb(IDPDH, TPM_INF_ADDR); - productid[0] = inb(TPM_INF_DATA); - outb(CHIP_ID1, TPM_INF_ADDR); - version[1] = inb(TPM_INF_DATA); - outb(CHIP_ID2, TPM_INF_ADDR); - version[0] = inb(TPM_INF_DATA); + tpm_config_out(ENABLE_REGISTER_PAIR, TPM_INF_ADDR); + tpm_config_out(IDVENL, TPM_INF_ADDR); + vendorid[1] = tpm_config_in(TPM_INF_DATA); + tpm_config_out(IDVENH, TPM_INF_ADDR); + vendorid[0] = tpm_config_in(TPM_INF_DATA); + tpm_config_out(IDPDL, TPM_INF_ADDR); + productid[1] = tpm_config_in(TPM_INF_DATA); + tpm_config_out(IDPDH, TPM_INF_ADDR); + productid[0] = tpm_config_in(TPM_INF_DATA); + tpm_config_out(CHIP_ID1, TPM_INF_ADDR); + version[1] = tpm_config_in(TPM_INF_DATA); + tpm_config_out(CHIP_ID2, TPM_INF_ADDR); + version[0] = tpm_config_in(TPM_INF_DATA); switch ((productid[0] << 8) | productid[1]) { case 6: @@ -442,51 +527,54 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev, if ((vendorid[0] << 8 | vendorid[1]) == (TPM_INFINEON_DEV_VEN_VALUE)) { /* configure TPM with IO-ports */ - outb(IOLIMH, TPM_INF_ADDR); - outb(((TPM_INF_BASE >> 8) & 0xff), TPM_INF_DATA); - outb(IOLIML, TPM_INF_ADDR); - outb((TPM_INF_BASE & 0xff), TPM_INF_DATA); + tpm_config_out(IOLIMH, TPM_INF_ADDR); + tpm_config_out((tpm_dev.data_regs >> 8) & 0xff, TPM_INF_DATA); + tpm_config_out(IOLIML, TPM_INF_ADDR); + tpm_config_out((tpm_dev.data_regs & 0xff), TPM_INF_DATA); /* control if IO-ports are set correctly */ - outb(IOLIMH, TPM_INF_ADDR); - ioh = inb(TPM_INF_DATA); - outb(IOLIML, TPM_INF_ADDR); - iol = inb(TPM_INF_DATA); + tpm_config_out(IOLIMH, TPM_INF_ADDR); + ioh = tpm_config_in(TPM_INF_DATA); + tpm_config_out(IOLIML, TPM_INF_ADDR); + iol = tpm_config_in(TPM_INF_DATA); - if ((ioh << 8 | iol) != TPM_INF_BASE) { + if ((ioh << 8 | iol) != tpm_dev.data_regs) { dev_err(&dev->dev, - "Could not set IO-ports to 0x%x\n", - TPM_INF_BASE); + "Could not set IO-data registers to 0x%x\n", + tpm_dev.data_regs); rc = -EIO; goto err_release_region; } /* activate register */ - outb(TPM_DAR, TPM_INF_ADDR); - outb(0x01, TPM_INF_DATA); - outb(DISABLE_REGISTER_PAIR, TPM_INF_ADDR); + tpm_config_out(TPM_DAR, TPM_INF_ADDR); + tpm_config_out(0x01, TPM_INF_DATA); + tpm_config_out(DISABLE_REGISTER_PAIR, TPM_INF_ADDR); /* disable RESET, LP and IRQC */ - outb(RESET_LP_IRQC_DISABLE, TPM_INF_BASE + CMD); + tpm_data_out(RESET_LP_IRQC_DISABLE, CMD); /* Finally, we're done, print some infos */ dev_info(&dev->dev, "TPM found: " - "config base 0x%x, " - "io base 0x%x, " + "config base 0x%lx, " + "data base 0x%lx, " "chip version 0x%02x%02x, " "vendor id 0x%x%x (Infineon), " "product id 0x%02x%02x" "%s\n", - TPM_INF_ADDR, - TPM_INF_BASE, + tpm_dev.iotype == TPM_INF_IO_PORT ? + tpm_dev.config_port : + tpm_dev.map_base + tpm_dev.index_off, + tpm_dev.iotype == TPM_INF_IO_PORT ? + tpm_dev.data_regs : + tpm_dev.map_base + tpm_dev.data_regs, version[0], version[1], vendorid[0], vendorid[1], productid[0], productid[1], chipname); - if (!(chip = tpm_register_hardware(&dev->dev, &tpm_inf))) { + if (!(chip = tpm_register_hardware(&dev->dev, &tpm_inf))) goto err_release_region; - } - chip->vendor.base = TPM_INF_BASE; + return 0; } else { rc = -ENODEV; @@ -494,8 +582,13 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev, } err_release_region: - release_region(TPM_INF_BASE, TPM_INF_PORT_LEN); - release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN); + if (tpm_dev.iotype == TPM_INF_IO_PORT) { + release_region(tpm_dev.data_regs, tpm_dev.data_size); + release_region(tpm_dev.config_port, tpm_dev.config_size); + } else { + iounmap(tpm_dev.mem_base); + release_mem_region(tpm_dev.map_base, tpm_dev.map_size); + } err_last: return rc; @@ -506,8 +599,14 @@ static __devexit void tpm_inf_pnp_remove(struct pnp_dev *dev) struct tpm_chip *chip = pnp_get_drvdata(dev); if (chip) { - release_region(TPM_INF_BASE, TPM_INF_PORT_LEN); - release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN); + if (tpm_dev.iotype == TPM_INF_IO_PORT) { + release_region(tpm_dev.data_regs, tpm_dev.data_size); + release_region(tpm_dev.config_port, + tpm_dev.config_size); + } else { + iounmap(tpm_dev.mem_base); + release_mem_region(tpm_dev.map_base, tpm_dev.map_size); + } tpm_remove_hardware(chip->dev); } } @@ -539,5 +638,5 @@ module_exit(cleanup_inf); MODULE_AUTHOR("Marcel Selhorst <selhorst@crypto.rub.de>"); MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2"); -MODULE_VERSION("1.8"); +MODULE_VERSION("1.9"); MODULE_LICENSE("GPL"); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 389da364e6b..7710a6a77d9 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -141,8 +141,6 @@ static DECLARE_MUTEX(allocated_ptys_lock); static int ptmx_open(struct inode *, struct file *); #endif -extern void disable_early_printk(void); - static void initialize_tty_struct(struct tty_struct *tty); static ssize_t tty_read(struct file *, char __user *, size_t, loff_t *); @@ -155,8 +153,8 @@ int tty_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg); static int tty_fasync(int fd, struct file * filp, int on); static void release_tty(struct tty_struct *tty, int idx); -static struct pid *__proc_set_tty(struct task_struct *tsk, - struct tty_struct *tty); +static void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty); +static void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty); /** * alloc_tty_struct - allocate a tty object @@ -1534,10 +1532,9 @@ void disassociate_ctty(int on_exit) } spin_lock_irq(¤t->sighand->siglock); - tty_pgrp = current->signal->tty_old_pgrp; + put_pid(current->signal->tty_old_pgrp); current->signal->tty_old_pgrp = NULL; spin_unlock_irq(¤t->sighand->siglock); - put_pid(tty_pgrp); mutex_lock(&tty_mutex); /* It is possible that do_tty_hangup has free'd this tty */ @@ -1562,6 +1559,18 @@ void disassociate_ctty(int on_exit) unlock_kernel(); } +/** + * + * no_tty - Ensure the current process does not have a controlling tty + */ +void no_tty(void) +{ + struct task_struct *tsk = current; + if (tsk->signal->leader) + disassociate_ctty(0); + proc_clear_tty(tsk); +} + /** * stop_tty - propogate flow control @@ -2508,7 +2517,6 @@ static int tty_open(struct inode * inode, struct file * filp) int index; dev_t device = inode->i_rdev; unsigned short saved_flags = filp->f_flags; - struct pid *old_pgrp; nonseekable_open(inode, filp); @@ -2602,17 +2610,15 @@ got_driver: goto retry_open; } - old_pgrp = NULL; mutex_lock(&tty_mutex); spin_lock_irq(¤t->sighand->siglock); if (!noctty && current->signal->leader && !current->signal->tty && tty->session == NULL) - old_pgrp = __proc_set_tty(current, tty); + __proc_set_tty(current, tty); spin_unlock_irq(¤t->sighand->siglock); mutex_unlock(&tty_mutex); - put_pid(old_pgrp); return 0; } @@ -3287,9 +3293,7 @@ int tty_ioctl(struct inode * inode, struct file * file, case TIOCNOTTY: if (current->signal->tty != tty) return -ENOTTY; - if (current->signal->leader) - disassociate_ctty(0); - proc_clear_tty(current); + no_tty(); return 0; case TIOCSCTTY: return tiocsctty(tty, arg); @@ -3766,7 +3770,9 @@ int tty_register_driver(struct tty_driver *driver) if (!driver->put_char) driver->put_char = tty_default_put_char; + mutex_lock(&tty_mutex); list_add(&driver->tty_drivers, &tty_drivers); + mutex_unlock(&tty_mutex); if ( !(driver->flags & TTY_DRIVER_DYNAMIC_DEV) ) { for(i = 0; i < driver->num; i++) @@ -3792,8 +3798,9 @@ int tty_unregister_driver(struct tty_driver *driver) unregister_chrdev_region(MKDEV(driver->major, driver->minor_start), driver->num); - + mutex_lock(&tty_mutex); list_del(&driver->tty_drivers); + mutex_unlock(&tty_mutex); /* * Free the termios and termios_locked structures because @@ -3836,11 +3843,9 @@ void proc_clear_tty(struct task_struct *p) p->signal->tty = NULL; spin_unlock_irq(&p->sighand->siglock); } -EXPORT_SYMBOL(proc_clear_tty); -static struct pid *__proc_set_tty(struct task_struct *tsk, struct tty_struct *tty) +static void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty) { - struct pid *old_pgrp; if (tty) { /* We should not have a session or pgrp to here but.... */ put_pid(tty->session); @@ -3848,21 +3853,16 @@ static struct pid *__proc_set_tty(struct task_struct *tsk, struct tty_struct *tt tty->session = get_pid(task_session(tsk)); tty->pgrp = get_pid(task_pgrp(tsk)); } - old_pgrp = tsk->signal->tty_old_pgrp; + put_pid(tsk->signal->tty_old_pgrp); tsk->signal->tty = tty; tsk->signal->tty_old_pgrp = NULL; - return old_pgrp; } -void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty) +static void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty) { - struct pid *old_pgrp; - spin_lock_irq(&tsk->sighand->siglock); - old_pgrp = __proc_set_tty(tsk, tty); + __proc_set_tty(tsk, tty); spin_unlock_irq(&tsk->sighand->siglock); - - put_pid(old_pgrp); } struct tty_struct *get_current_tty(void) @@ -3897,9 +3897,6 @@ void __init console_init(void) * set up the console device so that later boot sequences can * inform about problems etc.. */ -#ifdef CONFIG_EARLY_PRINTK - disable_early_printk(); -#endif call = __con_initcall_start; while (call < __con_initcall_end) { (*call)(); diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c index 791930320a1..83aeedda200 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/char/vc_screen.c @@ -28,12 +28,13 @@ #include <linux/interrupt.h> #include <linux/mm.h> #include <linux/init.h> +#include <linux/mutex.h> #include <linux/vt_kern.h> #include <linux/selection.h> #include <linux/kbd_kern.h> #include <linux/console.h> -#include <linux/smp_lock.h> #include <linux/device.h> + #include <asm/uaccess.h> #include <asm/byteorder.h> #include <asm/unaligned.h> @@ -70,11 +71,11 @@ static loff_t vcs_lseek(struct file *file, loff_t offset, int orig) { int size; - down(&con_buf_sem); + mutex_lock(&con_buf_mtx); size = vcs_size(file->f_path.dentry->d_inode); switch (orig) { default: - up(&con_buf_sem); + mutex_unlock(&con_buf_mtx); return -EINVAL; case 2: offset += size; @@ -85,11 +86,11 @@ static loff_t vcs_lseek(struct file *file, loff_t offset, int orig) break; } if (offset < 0 || offset > size) { - up(&con_buf_sem); + mutex_unlock(&con_buf_mtx); return -EINVAL; } file->f_pos = offset; - up(&con_buf_sem); + mutex_unlock(&con_buf_mtx); return file->f_pos; } @@ -106,7 +107,7 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) unsigned short *org = NULL; ssize_t ret; - down(&con_buf_sem); + mutex_lock(&con_buf_mtx); pos = *ppos; @@ -263,7 +264,7 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) ret = read; unlock_out: release_console_sem(); - up(&con_buf_sem); + mutex_unlock(&con_buf_mtx); return ret; } @@ -280,7 +281,7 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) u16 *org0 = NULL, *org = NULL; size_t ret; - down(&con_buf_sem); + mutex_lock(&con_buf_mtx); pos = *ppos; @@ -450,7 +451,7 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) unlock_out: release_console_sem(); - up(&con_buf_sem); + mutex_unlock(&con_buf_mtx); return ret; } diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 1bbb45b937f..bbd9fc41287 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -86,6 +86,7 @@ #include <linux/mm.h> #include <linux/console.h> #include <linux/init.h> +#include <linux/mutex.h> #include <linux/vt_kern.h> #include <linux/selection.h> #include <linux/tiocl.h> @@ -157,6 +158,8 @@ static void blank_screen_t(unsigned long dummy); static void set_palette(struct vc_data *vc); static int printable; /* Is console ready for printing? */ +static int default_utf8; +module_param(default_utf8, int, S_IRUGO | S_IWUSR); /* * ignore_poke: don't unblank the screen when things are typed. This is @@ -348,10 +351,12 @@ void update_region(struct vc_data *vc, unsigned long start, int count) /* Structure of attributes is hardware-dependent */ -static u8 build_attr(struct vc_data *vc, u8 _color, u8 _intensity, u8 _blink, u8 _underline, u8 _reverse) +static u8 build_attr(struct vc_data *vc, u8 _color, u8 _intensity, u8 _blink, + u8 _underline, u8 _reverse, u8 _italic) { if (vc->vc_sw->con_build_attr) - return vc->vc_sw->con_build_attr(vc, _color, _intensity, _blink, _underline, _reverse); + return vc->vc_sw->con_build_attr(vc, _color, _intensity, + _blink, _underline, _reverse, _italic); #ifndef VT_BUF_VRAM_ONLY /* @@ -368,10 +373,13 @@ static u8 build_attr(struct vc_data *vc, u8 _color, u8 _intensity, u8 _blink, u8 u8 a = vc->vc_color; if (!vc->vc_can_do_color) return _intensity | + (_italic ? 2 : 0) | (_underline ? 4 : 0) | (_reverse ? 8 : 0) | (_blink ? 0x80 : 0); - if (_underline) + if (_italic) + a = (a & 0xF0) | vc->vc_itcolor; + else if (_underline) a = (a & 0xf0) | vc->vc_ulcolor; else if (_intensity == 0) a = (a & 0xf0) | vc->vc_ulcolor; @@ -392,8 +400,10 @@ static u8 build_attr(struct vc_data *vc, u8 _color, u8 _intensity, u8 _blink, u8 static void update_attr(struct vc_data *vc) { - vc->vc_attr = build_attr(vc, vc->vc_color, vc->vc_intensity, vc->vc_blink, vc->vc_underline, vc->vc_reverse ^ vc->vc_decscnm); - vc->vc_video_erase_char = (build_attr(vc, vc->vc_color, 1, vc->vc_blink, 0, vc->vc_decscnm) << 8) | ' '; + vc->vc_attr = build_attr(vc, vc->vc_color, vc->vc_intensity, + vc->vc_blink, vc->vc_underline, + vc->vc_reverse ^ vc->vc_decscnm, vc->vc_italic); + vc->vc_video_erase_char = (build_attr(vc, vc->vc_color, 1, vc->vc_blink, 0, vc->vc_decscnm, 0) << 8) | ' '; } /* Note: inverting the screen twice should revert to the original state */ @@ -934,6 +944,10 @@ int default_grn[] = {0x00,0x00,0xaa,0x55,0x00,0x00,0xaa,0xaa, int default_blu[] = {0x00,0x00,0x00,0x00,0xaa,0xaa,0xaa,0xaa, 0x55,0x55,0x55,0x55,0xff,0xff,0xff,0xff}; +module_param_array(default_red, int, NULL, S_IRUGO | S_IWUSR); +module_param_array(default_grn, int, NULL, S_IRUGO | S_IWUSR); +module_param_array(default_blu, int, NULL, S_IRUGO | S_IWUSR); + /* * gotoxy() must verify all boundaries, because the arguments * might also be negative. If the given position is out of @@ -1132,6 +1146,7 @@ static void csi_X(struct vc_data *vc, int vpar) /* erase the following vpar posi static void default_attr(struct vc_data *vc) { vc->vc_intensity = 1; + vc->vc_italic = 0; vc->vc_underline = 0; vc->vc_reverse = 0; vc->vc_blink = 0; @@ -1154,6 +1169,9 @@ static void csi_m(struct vc_data *vc) case 2: vc->vc_intensity = 0; break; + case 3: + vc->vc_italic = 1; + break; case 4: vc->vc_underline = 1; break; @@ -1194,6 +1212,9 @@ static void csi_m(struct vc_data *vc) case 22: vc->vc_intensity = 1; break; + case 23: + vc->vc_italic = 0; + break; case 24: vc->vc_underline = 0; break; @@ -1454,6 +1475,7 @@ static void save_cur(struct vc_data *vc) vc->vc_saved_x = vc->vc_x; vc->vc_saved_y = vc->vc_y; vc->vc_s_intensity = vc->vc_intensity; + vc->vc_s_italic = vc->vc_italic; vc->vc_s_underline = vc->vc_underline; vc->vc_s_blink = vc->vc_blink; vc->vc_s_reverse = vc->vc_reverse; @@ -1468,6 +1490,7 @@ static void restore_cur(struct vc_data *vc) { gotoxy(vc, vc->vc_saved_x, vc->vc_saved_y); vc->vc_intensity = vc->vc_s_intensity; + vc->vc_italic = vc->vc_s_italic; vc->vc_underline = vc->vc_s_underline; vc->vc_blink = vc->vc_s_blink; vc->vc_reverse = vc->vc_s_reverse; @@ -1497,7 +1520,7 @@ static void reset_terminal(struct vc_data *vc, int do_clear) vc->vc_charset = 0; vc->vc_need_wrap = 0; vc->vc_report_mouse = 0; - vc->vc_utf = 0; + vc->vc_utf = default_utf8; vc->vc_utf_count = 0; vc->vc_disp_ctrl = 0; @@ -1930,7 +1953,47 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c) * kernel memory allocation is available. */ char con_buf[CON_BUF_SIZE]; -DECLARE_MUTEX(con_buf_sem); +DEFINE_MUTEX(con_buf_mtx); + +/* is_double_width() is based on the wcwidth() implementation by + * Markus Kuhn -- 2003-05-20 (Unicode 4.0) + * Latest version: http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c + */ +struct interval { + uint32_t first; + uint32_t last; +}; + +static int bisearch(uint32_t ucs, const struct interval *table, int max) +{ + int min = 0; + int mid; + + if (ucs < table[0].first || ucs > table[max].last) + return 0; + while (max >= min) { + mid = (min + max) / 2; + if (ucs > table[mid].last) + min = mid + 1; + else if (ucs < table[mid].first) + max = mid - 1; + else + return 1; + } + return 0; +} + +static int is_double_width(uint32_t ucs) +{ + static const struct interval double_width[] = { + { 0x1100, 0x115F }, { 0x2329, 0x232A }, { 0x2E80, 0x303E }, + { 0x3040, 0xA4CF }, { 0xAC00, 0xD7A3 }, { 0xF900, 0xFAFF }, + { 0xFE30, 0xFE6F }, { 0xFF00, 0xFF60 }, { 0xFFE0, 0xFFE6 }, + { 0x20000, 0x2FFFD }, { 0x30000, 0x3FFFD } + }; + return bisearch(ucs, double_width, + sizeof(double_width) / sizeof(*double_width) - 1); +} /* acquires console_sem */ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int count) @@ -1948,6 +2011,10 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co unsigned int currcons; unsigned long draw_from = 0, draw_to = 0; struct vc_data *vc; + unsigned char vc_attr; + uint8_t rescan; + uint8_t inverse; + uint8_t width; u16 himask, charmask; const unsigned char *orig_buf = NULL; int orig_count; @@ -1983,7 +2050,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co /* At this point 'buf' is guaranteed to be a kernel buffer * and therefore no access to userspace (and therefore sleeping) - * will be needed. The con_buf_sem serializes all tty based + * will be needed. The con_buf_mtx serializes all tty based * console rendering and vcs write/read operations. We hold * the console spinlock during the entire write. */ @@ -2010,53 +2077,86 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co buf++; n++; count--; + rescan = 0; + inverse = 0; + width = 1; /* Do no translation at all in control states */ if (vc->vc_state != ESnormal) { tc = c; } else if (vc->vc_utf && !vc->vc_disp_ctrl) { - /* Combine UTF-8 into Unicode */ - /* Malformed sequences as sequences of replacement glyphs */ + /* Combine UTF-8 into Unicode in vc_utf_char. + * vc_utf_count is the number of continuation bytes still + * expected to arrive. + * vc_npar is the number of continuation bytes arrived so + * far + */ rescan_last_byte: - if(c > 0x7f) { + if ((c & 0xc0) == 0x80) { + /* Continuation byte received */ + static const uint32_t utf8_length_changes[] = { 0x0000007f, 0x000007ff, 0x0000ffff, 0x001fffff, 0x03ffffff, 0x7fffffff }; if (vc->vc_utf_count) { - if ((c & 0xc0) == 0x80) { - vc->vc_utf_char = (vc->vc_utf_char << 6) | (c & 0x3f); - if (--vc->vc_utf_count) { - vc->vc_npar++; - continue; - } - tc = c = vc->vc_utf_char; - } else - goto replacement_glyph; - } else { - vc->vc_npar = 0; - if ((c & 0xe0) == 0xc0) { - vc->vc_utf_count = 1; - vc->vc_utf_char = (c & 0x1f); - } else if ((c & 0xf0) == 0xe0) { - vc->vc_utf_count = 2; - vc->vc_utf_char = (c & 0x0f); - } else if ((c & 0xf8) == 0xf0) { - vc->vc_utf_count = 3; - vc->vc_utf_char = (c & 0x07); - } else if ((c & 0xfc) == 0xf8) { - vc->vc_utf_count = 4; - vc->vc_utf_char = (c & 0x03); - } else if ((c & 0xfe) == 0xfc) { - vc->vc_utf_count = 5; - vc->vc_utf_char = (c & 0x01); - } else - goto replacement_glyph; + vc->vc_utf_char = (vc->vc_utf_char << 6) | (c & 0x3f); + vc->vc_npar++; + if (--vc->vc_utf_count) { + /* Still need some bytes */ continue; - } + } + /* Got a whole character */ + c = vc->vc_utf_char; + /* Reject overlong sequences */ + if (c <= utf8_length_changes[vc->vc_npar - 1] || + c > utf8_length_changes[vc->vc_npar]) + c = 0xfffd; + } else { + /* Unexpected continuation byte */ + vc->vc_utf_count = 0; + c = 0xfffd; + } } else { - if (vc->vc_utf_count) - goto replacement_glyph; - tc = c; + /* Single ASCII byte or first byte of a sequence received */ + if (vc->vc_utf_count) { + /* Continuation byte expected */ + rescan = 1; + vc->vc_utf_count = 0; + c = 0xfffd; + } else if (c > 0x7f) { + /* First byte of a multibyte sequence received */ + vc->vc_npar = 0; + if ((c & 0xe0) == 0xc0) { + vc->vc_utf_count = 1; + vc->vc_utf_char = (c & 0x1f); + } else if ((c & 0xf0) == 0xe0) { + vc->vc_utf_count = 2; + vc->vc_utf_char = (c & 0x0f); + } else if ((c & 0xf8) == 0xf0) { + vc->vc_utf_count = 3; + vc->vc_utf_char = (c & 0x07); + } else if ((c & 0xfc) == 0xf8) { + vc->vc_utf_count = 4; + vc->vc_utf_char = (c & 0x03); + } else if ((c & 0xfe) == 0xfc) { + vc->vc_utf_count = 5; + vc->vc_utf_char = (c & 0x01); + } else { + /* 254 and 255 are invalid */ + c = 0xfffd; + } + if (vc->vc_utf_count) { + /* Still need some bytes */ + continue; + } + } + /* Nothing to do if an ASCII byte was received */ } + /* End of UTF-8 decoding. */ + /* c is the received character, or U+FFFD for invalid sequences. */ + /* Replace invalid Unicode code points with U+FFFD too */ + if ((c >= 0xd800 && c <= 0xdfff) || c == 0xfffe || c == 0xffff) + c = 0xfffd; + tc = c; } else { /* no utf or alternate charset mode */ - tc = vc->vc_translate[vc->vc_toggle_meta ? (c | 0x80) : c]; + tc = vc->vc_translate[vc->vc_toggle_meta ? (c | 0x80) : c]; } /* If the original code was a control character we @@ -2076,56 +2176,80 @@ rescan_last_byte: && (c != 128+27); if (vc->vc_state == ESnormal && ok) { + if (vc->vc_utf && !vc->vc_disp_ctrl) { + if (is_double_width(c)) + width = 2; + } /* Now try to find out how to display it */ tc = conv_uni_to_pc(vc, tc); if (tc & ~charmask) { - if ( tc == -4 ) { - /* If we got -4 (not found) then see if we have - defined a replacement character (U+FFFD) */ -replacement_glyph: - tc = conv_uni_to_pc(vc, 0xfffd); - if (!(tc & ~charmask)) - goto display_glyph; - } else if ( tc != -3 ) - continue; /* nothing to display */ - /* no hash table or no replacement -- - * hope for the best */ - if ( c & ~charmask ) - tc = '?'; - else - tc = c; + if (tc == -1 || tc == -2) { + continue; /* nothing to display */ + } + /* Glyph not found */ + if (!(vc->vc_utf && !vc->vc_disp_ctrl) && !(c & ~charmask)) { + /* In legacy mode use the glyph we get by a 1:1 mapping. + This would make absolutely no sense with Unicode in mind. */ + tc = c; + } else { + /* Display U+FFFD. If it's not found, display an inverse question mark. */ + tc = conv_uni_to_pc(vc, 0xfffd); + if (tc < 0) { + inverse = 1; + tc = conv_uni_to_pc(vc, '?'); + if (tc < 0) tc = '?'; + } + } } -display_glyph: - if (vc->vc_need_wrap || vc->vc_decim) - FLUSH - if (vc->vc_need_wrap) { - cr(vc); - lf(vc); - } - if (vc->vc_decim) - insert_char(vc, 1); - scr_writew(himask ? - ((vc->vc_attr << 8) & ~himask) + ((tc & 0x100) ? himask : 0) + (tc & 0xff) : - (vc->vc_attr << 8) + tc, - (u16 *) vc->vc_pos); - if (DO_UPDATE(vc) && draw_x < 0) { - draw_x = vc->vc_x; - draw_from = vc->vc_pos; - } - if (vc->vc_x == vc->vc_cols - 1) { - vc->vc_need_wrap = vc->vc_decawm; - draw_to = vc->vc_pos + 2; + if (!inverse) { + vc_attr = vc->vc_attr; } else { - vc->vc_x++; - draw_to = (vc->vc_pos += 2); + /* invert vc_attr */ + if (!vc->vc_can_do_color) { + vc_attr = (vc->vc_attr) ^ 0x08; + } else if (vc->vc_hi_font_mask == 0x100) { + vc_attr = ((vc->vc_attr) & 0x11) | (((vc->vc_attr) & 0xe0) >> 4) | (((vc->vc_attr) & 0x0e) << 4); + } else { + vc_attr = ((vc->vc_attr) & 0x88) | (((vc->vc_attr) & 0x70) >> 4) | (((vc->vc_attr) & 0x07) << 4); + } } - if (vc->vc_utf_count) { - if (vc->vc_npar) { - vc->vc_npar--; - goto display_glyph; + + while (1) { + if (vc->vc_need_wrap || vc->vc_decim) + FLUSH + if (vc->vc_need_wrap) { + cr(vc); + lf(vc); + } + if (vc->vc_decim) + insert_char(vc, 1); + scr_writew(himask ? + ((vc_attr << 8) & ~himask) + ((tc & 0x100) ? himask : 0) + (tc & 0xff) : + (vc_attr << 8) + tc, + (u16 *) vc->vc_pos); + if (DO_UPDATE(vc) && draw_x < 0) { + draw_x = vc->vc_x; + draw_from = vc->vc_pos; + } + if (vc->vc_x == vc->vc_cols - 1) { + vc->vc_need_wrap = vc->vc_decawm; + draw_to = vc->vc_pos + 2; + } else { + vc->vc_x++; + draw_to = (vc->vc_pos += 2); } - vc->vc_utf_count = 0; + + if (!--width) break; + + tc = conv_uni_to_pc(vc, ' '); /* A space is printed in the second column */ + if (tc < 0) tc = ' '; + } + + if (rescan) { + rescan = 0; + inverse = 0; + width = 1; c = orig; goto rescan_last_byte; } @@ -2581,6 +2705,11 @@ static void con_close(struct tty_struct *tty, struct file *filp) mutex_unlock(&tty_mutex); } +static int default_italic_color = 2; // green (ASCII) +static int default_underline_color = 3; // cyan (ASCII) +module_param_named(italic, default_italic_color, int, S_IRUGO | S_IWUSR); +module_param_named(underline, default_underline_color, int, S_IRUGO | S_IWUSR); + static void vc_init(struct vc_data *vc, unsigned int rows, unsigned int cols, int do_clear) { @@ -2600,7 +2729,8 @@ static void vc_init(struct vc_data *vc, unsigned int rows, vc->vc_palette[k++] = default_blu[j] ; } vc->vc_def_color = 0x07; /* white */ - vc->vc_ulcolor = 0x0f; /* bold white */ + vc->vc_ulcolor = default_underline_color; + vc->vc_itcolor = default_italic_color; vc->vc_halfcolor = 0x08; /* grey */ init_waitqueue_head(&vc->paste_wait); reset_terminal(vc, do_clear); diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index c9f2dd620e8..c6f6f420973 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -1061,7 +1061,7 @@ int vt_waitactive(int vt) schedule(); } remove_wait_queue(&vt_activate_queue, &wait); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); return retval; } diff --git a/drivers/char/watchdog/omap_wdt.c b/drivers/char/watchdog/omap_wdt.c index 84074a697dc..b36fa8de213 100644 --- a/drivers/char/watchdog/omap_wdt.c +++ b/drivers/char/watchdog/omap_wdt.c @@ -34,7 +34,6 @@ #include <linux/miscdevice.h> #include <linux/watchdog.h> #include <linux/reboot.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/err.h> #include <linux/platform_device.h> diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 8d053f500fc..8532bb79e5f 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -470,7 +470,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info) dbs_info->enable = 1; ondemand_powersave_bias_init(); dbs_info->sample_type = DBS_NORMAL_SAMPLE; - INIT_DELAYED_WORK(&dbs_info->work, do_dbs_timer); + INIT_DELAYED_WORK_DEFERRABLE(&dbs_info->work, do_dbs_timer); queue_delayed_work_on(dbs_info->cpu, kondemand_wq, &dbs_info->work, delay); } diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c index 161fe09a6d3..2800b3e614a 100644 --- a/drivers/edac/i82875p_edac.c +++ b/drivers/edac/i82875p_edac.c @@ -261,10 +261,6 @@ static void i82875p_check(struct mem_ctl_info *mci) i82875p_process_error_info(mci, &info, 1); } -#ifdef CONFIG_PROC_FS -extern int pci_proc_attach_device(struct pci_dev *); -#endif - /* Return 0 on success or 1 on failure. */ static int i82875p_setup_overfl_dev(struct pci_dev *pdev, struct pci_dev **ovrfl_pdev, void __iomem **ovrfl_window) @@ -287,17 +283,12 @@ static int i82875p_setup_overfl_dev(struct pci_dev *pdev, if (dev == NULL) return 1; + + pci_bus_add_device(dev); } *ovrfl_pdev = dev; -#ifdef CONFIG_PROC_FS - if ((dev->procent == NULL) && pci_proc_attach_device(dev)) { - i82875p_printk(KERN_ERR, "%s(): Failed to attach overflow " - "device\n", __func__); - return 1; - } -#endif /* CONFIG_PROC_FS */ if (pci_enable_device(dev)) { i82875p_printk(KERN_ERR, "%s(): Failed to enable overflow " "device\n", __func__); diff --git a/drivers/eisa/virtual_root.c b/drivers/eisa/virtual_root.c index 9b4fcac03ad..3074879f231 100644 --- a/drivers/eisa/virtual_root.c +++ b/drivers/eisa/virtual_root.c @@ -47,7 +47,7 @@ static void virtual_eisa_release (struct device *dev) /* nothing really to do here */ } -static int virtual_eisa_root_init (void) +static int __init virtual_eisa_root_init (void) { int r; diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 62e21cc7393..6ec04e79f68 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -20,7 +20,6 @@ #include <linux/kernel.h> #include <linux/list.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <asm/unaligned.h> #include <asm/byteorder.h> diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 6d105a1d41b..25b72a49170 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -594,6 +594,30 @@ config SENSORS_HDAPS Say Y here if you have an applicable laptop and want to experience the awesome power of hdaps. +config SENSORS_APPLESMC + tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)" + depends on HWMON && INPUT && X86 + select NEW_LEDS + select LEDS_CLASS + default n + help + This driver provides support for the Apple System Management + Controller, which provides an accelerometer (Apple Sudden Motion + Sensor), light sensors, temperature sensors, keyboard backlight + control and fan control. + + Only Intel-based Apple's computers are supported (MacBook Pro, + MacBook, MacMini). + + Data from the different sensors, keyboard backlight control and fan + control are accessible via sysfs. + + This driver also provides an absolute input class device, allowing + the laptop to act as a pinball machine-esque joystick. + + Say Y here if you have an applicable laptop and want to experience + the awesome power of applesmc. + config HWMON_DEBUG_CHIP bool "Hardware Monitoring Chip debugging messages" depends on HWMON diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 4165c27a2f2..544f8d8dff4 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_SENSORS_ADM1026) += adm1026.o obj-$(CONFIG_SENSORS_ADM1029) += adm1029.o obj-$(CONFIG_SENSORS_ADM1031) += adm1031.o obj-$(CONFIG_SENSORS_ADM9240) += adm9240.o +obj-$(CONFIG_SENSORS_APPLESMC) += applesmc.o obj-$(CONFIG_SENSORS_AMS) += ams/ obj-$(CONFIG_SENSORS_ATXP1) += atxp1.o obj-$(CONFIG_SENSORS_DS1621) += ds1621.o diff --git a/drivers/hwmon/ams/ams-core.c b/drivers/hwmon/ams/ams-core.c index f5ebad56141..dbe6a32c064 100644 --- a/drivers/hwmon/ams/ams-core.c +++ b/drivers/hwmon/ams/ams-core.c @@ -144,7 +144,7 @@ int ams_sensor_attach(void) const u32 *prop; /* Get orientation */ - prop = get_property(ams_info.of_node, "orientation", NULL); + prop = of_get_property(ams_info.of_node, "orientation", NULL); if (!prop) return -ENODEV; ams_info.orient1 = *prop; @@ -208,14 +208,14 @@ int __init ams_init(void) #ifdef CONFIG_SENSORS_AMS_I2C np = of_find_node_by_name(NULL, "accelerometer"); - if (np && device_is_compatible(np, "AAPL,accelerometer_1")) + if (np && of_device_is_compatible(np, "AAPL,accelerometer_1")) /* Found I2C motion sensor */ return ams_i2c_init(np); #endif #ifdef CONFIG_SENSORS_AMS_PMU np = of_find_node_by_name(NULL, "sms"); - if (np && device_is_compatible(np, "sms")) + if (np && of_device_is_compatible(np, "sms")) /* Found PMU motion sensor */ return ams_pmu_init(np); #endif diff --git a/drivers/hwmon/ams/ams-i2c.c b/drivers/hwmon/ams/ams-i2c.c index 485d333bcb3..ccd5cefae90 100644 --- a/drivers/hwmon/ams/ams-i2c.c +++ b/drivers/hwmon/ams/ams-i2c.c @@ -276,7 +276,7 @@ int __init ams_i2c_init(struct device_node *np) ams_info.bustype = BUS_I2C; /* look for bus either using "reg" or by path */ - prop = get_property(ams_info.of_node, "reg", NULL); + prop = of_get_property(ams_info.of_node, "reg", NULL); if (!prop) { result = -ENODEV; diff --git a/drivers/hwmon/ams/ams-pmu.c b/drivers/hwmon/ams/ams-pmu.c index 1b01c215bfe..9463e9768f6 100644 --- a/drivers/hwmon/ams/ams-pmu.c +++ b/drivers/hwmon/ams/ams-pmu.c @@ -160,7 +160,7 @@ int __init ams_pmu_init(struct device_node *np) ams_info.bustype = BUS_HOST; /* Get PMU command, should be 0x4e, but we can never know */ - prop = get_property(ams_info.of_node, "reg", NULL); + prop = of_get_property(ams_info.of_node, "reg", NULL); if (!prop) { result = -ENODEV; goto exit; diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c new file mode 100644 index 00000000000..3215f9c87f3 --- /dev/null +++ b/drivers/hwmon/applesmc.c @@ -0,0 +1,1339 @@ +/* + * drivers/hwmon/applesmc.c - driver for Apple's SMC (accelerometer, temperature + * sensors, fan control, keyboard backlight control) used in Intel-based Apple + * computers. + * + * Copyright (C) 2007 Nicolas Boichat <nicolas@boichat.ch> + * + * Based on hdaps.c driver: + * Copyright (C) 2005 Robert Love <rml@novell.com> + * Copyright (C) 2005 Jesper Juhl <jesper.juhl@gmail.com> + * + * Fan control based on smcFanControl: + * Copyright (C) 2006 Hendrik Holtmann <holtmann@mac.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License v2 as published by the + * Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/input.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/timer.h> +#include <linux/dmi.h> +#include <linux/mutex.h> +#include <linux/hwmon-sysfs.h> +#include <asm/io.h> +#include <linux/leds.h> +#include <linux/hwmon.h> +#include <linux/workqueue.h> + +/* data port used by Apple SMC */ +#define APPLESMC_DATA_PORT 0x300 +/* command/status port used by Apple SMC */ +#define APPLESMC_CMD_PORT 0x304 + +#define APPLESMC_NR_PORTS 32 /* 0x300-0x31f */ + +#define APPLESMC_MAX_DATA_LENGTH 32 + +#define APPLESMC_STATUS_MASK 0x0f +#define APPLESMC_READ_CMD 0x10 +#define APPLESMC_WRITE_CMD 0x11 +#define APPLESMC_GET_KEY_BY_INDEX_CMD 0x12 +#define APPLESMC_GET_KEY_TYPE_CMD 0x13 + +#define KEY_COUNT_KEY "#KEY" /* r-o ui32 */ + +#define LIGHT_SENSOR_LEFT_KEY "ALV0" /* r-o {alv (6 bytes) */ +#define LIGHT_SENSOR_RIGHT_KEY "ALV1" /* r-o {alv (6 bytes) */ +#define BACKLIGHT_KEY "LKSB" /* w-o {lkb (2 bytes) */ + +#define CLAMSHELL_KEY "MSLD" /* r-o ui8 (unused) */ + +#define MOTION_SENSOR_X_KEY "MO_X" /* r-o sp78 (2 bytes) */ +#define MOTION_SENSOR_Y_KEY "MO_Y" /* r-o sp78 (2 bytes) */ +#define MOTION_SENSOR_Z_KEY "MO_Z" /* r-o sp78 (2 bytes) */ +#define MOTION_SENSOR_KEY "MOCN" /* r/w ui16 */ + +#define FANS_COUNT "FNum" /* r-o ui8 */ +#define FANS_MANUAL "FS! " /* r-w ui16 */ +#define FAN_ACTUAL_SPEED "F0Ac" /* r-o fpe2 (2 bytes) */ +#define FAN_MIN_SPEED "F0Mn" /* r-o fpe2 (2 bytes) */ +#define FAN_MAX_SPEED "F0Mx" /* r-o fpe2 (2 bytes) */ +#define FAN_SAFE_SPEED "F0Sf" /* r-o fpe2 (2 bytes) */ +#define FAN_TARGET_SPEED "F0Tg" /* r-w fpe2 (2 bytes) */ +#define FAN_POSITION "F0ID" /* r-o char[16] */ + +/* + * Temperature sensors keys (sp78 - 2 bytes). + * First set for Macbook(Pro), second for Macmini. + */ +static const char* temperature_sensors_sets[][13] = { + { "TA0P", "TB0T", "TC0D", "TC0P", "TG0H", "TG0P", "TG0T", "Th0H", + "Th1H", "Tm0P", "Ts0P", "Ts1P", NULL }, + { "TC0D", "TC0P", NULL } +}; + +/* List of keys used to read/write fan speeds */ +static const char* fan_speed_keys[] = { + FAN_ACTUAL_SPEED, + FAN_MIN_SPEED, + FAN_MAX_SPEED, + FAN_SAFE_SPEED, + FAN_TARGET_SPEED +}; + +#define INIT_TIMEOUT_MSECS 5000 /* wait up to 5s for device init ... */ +#define INIT_WAIT_MSECS 50 /* ... in 50ms increments */ + +#define APPLESMC_POLL_PERIOD (HZ/20) /* poll for input every 1/20s */ +#define APPLESMC_INPUT_FUZZ 4 /* input event threshold */ +#define APPLESMC_INPUT_FLAT 4 + +#define SENSOR_X 0 +#define SENSOR_Y 1 +#define SENSOR_Z 2 + +/* Structure to be passed to DMI_MATCH function */ +struct dmi_match_data { +/* Indicates whether this computer has an accelerometer. */ + int accelerometer; +/* Indicates whether this computer has light sensors and keyboard backlight. */ + int light; +/* Indicates which temperature sensors set to use. */ + int temperature_set; +}; + +static const int debug; +static struct platform_device *pdev; +static s16 rest_x; +static s16 rest_y; +static struct timer_list applesmc_timer; +static struct input_dev *applesmc_idev; +static struct class_device *hwmon_class_dev; + +/* Indicates whether this computer has an accelerometer. */ +static unsigned int applesmc_accelerometer; + +/* Indicates whether this computer has light sensors and keyboard backlight. */ +static unsigned int applesmc_light; + +/* Indicates which temperature sensors set to use. */ +static unsigned int applesmc_temperature_set; + +static struct mutex applesmc_lock; + +/* + * Last index written to key_at_index sysfs file, and value to use for all other + * key_at_index_* sysfs files. + */ +static unsigned int key_at_index; + +static struct workqueue_struct *applesmc_led_wq; + +/* + * __wait_status - Wait up to 2ms for the status port to get a certain value + * (masked with 0x0f), returning zero if the value is obtained. Callers must + * hold applesmc_lock. + */ +static int __wait_status(u8 val) +{ + unsigned int i; + + val = val & APPLESMC_STATUS_MASK; + + for (i = 0; i < 200; i++) { + if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == val) { + if (debug) + printk(KERN_DEBUG + "Waited %d us for status %x\n", + i*10, val); + return 0; + } + udelay(10); + } + + printk(KERN_WARNING "applesmc: wait status failed: %x != %x\n", + val, inb(APPLESMC_CMD_PORT)); + + return -EIO; +} + +/* + * applesmc_read_key - reads len bytes from a given key, and put them in buffer. + * Returns zero on success or a negative error on failure. Callers must + * hold applesmc_lock. + */ +static int applesmc_read_key(const char* key, u8* buffer, u8 len) +{ + int i; + + if (len > APPLESMC_MAX_DATA_LENGTH) { + printk(KERN_ERR "applesmc_read_key: cannot read more than " + "%d bytes\n", APPLESMC_MAX_DATA_LENGTH); + return -EINVAL; + } + + outb(APPLESMC_READ_CMD, APPLESMC_CMD_PORT); + if (__wait_status(0x0c)) + return -EIO; + + for (i = 0; i < 4; i++) { + outb(key[i], APPLESMC_DATA_PORT); + if (__wait_status(0x04)) + return -EIO; + } + if (debug) + printk(KERN_DEBUG "<%s", key); + + outb(len, APPLESMC_DATA_PORT); + if (debug) + printk(KERN_DEBUG ">%x", len); + + for (i = 0; i < len; i++) { + if (__wait_status(0x05)) + return -EIO; + buffer[i] = inb(APPLESMC_DATA_PORT); + if (debug) + printk(KERN_DEBUG "<%x", buffer[i]); + } + if (debug) + printk(KERN_DEBUG "\n"); + + return 0; +} + +/* + * applesmc_write_key - writes len bytes from buffer to a given key. + * Returns zero on success or a negative error on failure. Callers must + * hold applesmc_lock. + */ +static int applesmc_write_key(const char* key, u8* buffer, u8 len) +{ + int i; + + if (len > APPLESMC_MAX_DATA_LENGTH) { + printk(KERN_ERR "applesmc_write_key: cannot write more than " + "%d bytes\n", APPLESMC_MAX_DATA_LENGTH); + return -EINVAL; + } + + outb(APPLESMC_WRITE_CMD, APPLESMC_CMD_PORT); + if (__wait_status(0x0c)) + return -EIO; + + for (i = 0; i < 4; i++) { + outb(key[i], APPLESMC_DATA_PORT); + if (__wait_status(0x04)) + return -EIO; + } + + outb(len, APPLESMC_DATA_PORT); + + for (i = 0; i < len; i++) { + if (__wait_status(0x04)) + return -EIO; + outb(buffer[i], APPLESMC_DATA_PORT); + } + + return 0; +} + +/* + * applesmc_get_key_at_index - get key at index, and put the result in key + * (char[6]). Returns zero on success or a negative error on failure. Callers + * must hold applesmc_lock. + */ +static int applesmc_get_key_at_index(int index, char* key) +{ + int i; + u8 readkey[4]; + readkey[0] = index >> 24; + readkey[1] = index >> 16; + readkey[2] = index >> 8; + readkey[3] = index; + + outb(APPLESMC_GET_KEY_BY_INDEX_CMD, APPLESMC_CMD_PORT); + if (__wait_status(0x0c)) + return -EIO; + + for (i = 0; i < 4; i++) { + outb(readkey[i], APPLESMC_DATA_PORT); + if (__wait_status(0x04)) + return -EIO; + } + + outb(4, APPLESMC_DATA_PORT); + + for (i = 0; i < 4; i++) { + if (__wait_status(0x05)) + return -EIO; + key[i] = inb(APPLESMC_DATA_PORT); + } + key[4] = 0; + + return 0; +} + +/* + * applesmc_get_key_type - get key type, and put the result in type (char[6]). + * Returns zero on success or a negative error on failure. Callers must + * hold applesmc_lock. + */ +static int applesmc_get_key_type(char* key, char* type) +{ + int i; + + outb(APPLESMC_GET_KEY_TYPE_CMD, APPLESMC_CMD_PORT); + if (__wait_status(0x0c)) + return -EIO; + + for (i = 0; i < 4; i++) { + outb(key[i], APPLESMC_DATA_PORT); + if (__wait_status(0x04)) + return -EIO; + } + + outb(5, APPLESMC_DATA_PORT); + + for (i = 0; i < 6; i++) { + if (__wait_status(0x05)) + return -EIO; + type[i] = inb(APPLESMC_DATA_PORT); + } + type[5] = 0; + + return 0; +} + +/* + * applesmc_read_motion_sensor - Read motion sensor (X, Y or Z). Callers must + * hold applesmc_lock. + */ +static int applesmc_read_motion_sensor(int index, s16* value) +{ + u8 buffer[2]; + int ret; + + switch (index) { + case SENSOR_X: + ret = applesmc_read_key(MOTION_SENSOR_X_KEY, buffer, 2); + break; + case SENSOR_Y: + ret = applesmc_read_key(MOTION_SENSOR_Y_KEY, buffer, 2); + break; + case SENSOR_Z: + ret = applesmc_read_key(MOTION_SENSOR_Z_KEY, buffer, 2); + break; + default: + ret = -EINVAL; + } + + *value = ((s16)buffer[0] << 8) | buffer[1]; + + return ret; +} + +/* + * applesmc_device_init - initialize the accelerometer. Returns zero on success + * and negative error code on failure. Can sleep. + */ +static int applesmc_device_init(void) +{ + int total, ret = -ENXIO; + u8 buffer[2]; + + if (!applesmc_accelerometer) + return 0; + + mutex_lock(&applesmc_lock); + + for (total = INIT_TIMEOUT_MSECS; total > 0; total -= INIT_WAIT_MSECS) { + if (debug) + printk(KERN_DEBUG "applesmc try %d\n", total); + if (!applesmc_read_key(MOTION_SENSOR_KEY, buffer, 2) && + (buffer[0] != 0x00 || buffer[1] != 0x00)) { + if (total == INIT_TIMEOUT_MSECS) { + printk(KERN_DEBUG "applesmc: device has" + " already been initialized" + " (0x%02x, 0x%02x).\n", + buffer[0], buffer[1]); + } else { + printk(KERN_DEBUG "applesmc: device" + " successfully initialized" + " (0x%02x, 0x%02x).\n", + buffer[0], buffer[1]); + } + ret = 0; + goto out; + } + buffer[0] = 0xe0; + buffer[1] = 0x00; + applesmc_write_key(MOTION_SENSOR_KEY, buffer, 2); + msleep(INIT_WAIT_MSECS); + } + + printk(KERN_WARNING "applesmc: failed to init the device\n"); + +out: + mutex_unlock(&applesmc_lock); + return ret; +} + +/* + * applesmc_get_fan_count - get the number of fans. Callers must NOT hold + * applesmc_lock. + */ +static int applesmc_get_fan_count(void) +{ + int ret; + u8 buffer[1]; + + mutex_lock(&applesmc_lock); + + ret = applesmc_read_key(FANS_COUNT, buffer, 1); + + mutex_unlock(&applesmc_lock); + if (ret) + return ret; + else + return buffer[0]; +} + +/* Device model stuff */ +static int applesmc_probe(struct platform_device *dev) +{ + int ret; + + ret = applesmc_device_init(); + if (ret) + return ret; + + printk(KERN_INFO "applesmc: device successfully initialized.\n"); + return 0; +} + +static int applesmc_resume(struct platform_device *dev) +{ + return applesmc_device_init(); +} + +static struct platform_driver applesmc_driver = { + .probe = applesmc_probe, + .resume = applesmc_resume, + .driver = { + .name = "applesmc", + .owner = THIS_MODULE, + }, +}; + +/* + * applesmc_calibrate - Set our "resting" values. Callers must + * hold applesmc_lock. + */ +static void applesmc_calibrate(void) +{ + applesmc_read_motion_sensor(SENSOR_X, &rest_x); + applesmc_read_motion_sensor(SENSOR_Y, &rest_y); + rest_x = -rest_x; +} + +static int applesmc_idev_open(struct input_dev *dev) +{ + add_timer(&applesmc_timer); + + return 0; +} + +static void applesmc_idev_close(struct input_dev *dev) +{ + del_timer_sync(&applesmc_timer); +} + +static void applesmc_idev_poll(unsigned long unused) +{ + s16 x, y; + + /* Cannot sleep. Try nonblockingly. If we fail, try again later. */ + if (!mutex_trylock(&applesmc_lock)) { + mod_timer(&applesmc_timer, jiffies + APPLESMC_POLL_PERIOD); + return; + } + + if (applesmc_read_motion_sensor(SENSOR_X, &x)) + goto out; + if (applesmc_read_motion_sensor(SENSOR_Y, &y)) + goto out; + + x = -x; + input_report_abs(applesmc_idev, ABS_X, x - rest_x); + input_report_abs(applesmc_idev, ABS_Y, y - rest_y); + input_sync(applesmc_idev); + +out: + mod_timer(&applesmc_timer, jiffies + APPLESMC_POLL_PERIOD); + + mutex_unlock(&applesmc_lock); +} + +/* Sysfs Files */ + +static ssize_t applesmc_position_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int ret; + s16 x, y, z; + + mutex_lock(&applesmc_lock); + + ret = applesmc_read_motion_sensor(SENSOR_X, &x); + if (ret) + goto out; + ret = applesmc_read_motion_sensor(SENSOR_Y, &y); + if (ret) + goto out; + ret = applesmc_read_motion_sensor(SENSOR_Z, &z); + if (ret) + goto out; + +out: + mutex_unlock(&applesmc_lock); + if (ret) + return ret; + else + return snprintf(buf, PAGE_SIZE, "(%d,%d,%d)\n", x, y, z); +} + +static ssize_t applesmc_light_show(struct device *dev, + struct device_attribute *attr, char *sysfsbuf) +{ + int ret; + u8 left = 0, right = 0; + u8 buffer[6]; + + mutex_lock(&applesmc_lock); + + ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, 6); + left = buffer[2]; + if (ret) + goto out; + ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, 6); + right = buffer[2]; + +out: + mutex_unlock(&applesmc_lock); + if (ret) + return ret; + else + return snprintf(sysfsbuf, PAGE_SIZE, "(%d,%d)\n", left, right); +} + +/* Displays degree Celsius * 1000 */ +static ssize_t applesmc_show_temperature(struct device *dev, + struct device_attribute *devattr, char *sysfsbuf) +{ + int ret; + u8 buffer[2]; + unsigned int temp; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + const char* key = + temperature_sensors_sets[applesmc_temperature_set][attr->index]; + + mutex_lock(&applesmc_lock); + + ret = applesmc_read_key(key, buffer, 2); + temp = buffer[0]*1000; + temp += (buffer[1] >> 6) * 250; + + mutex_unlock(&applesmc_lock); + + if (ret) + return ret; + else + return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", temp); +} + +static ssize_t applesmc_show_fan_speed(struct device *dev, + struct device_attribute *attr, char *sysfsbuf) +{ + int ret; + unsigned int speed = 0; + char newkey[5]; + u8 buffer[2]; + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + + newkey[0] = fan_speed_keys[sensor_attr->nr][0]; + newkey[1] = '0' + sensor_attr->index; + newkey[2] = fan_speed_keys[sensor_attr->nr][2]; + newkey[3] = fan_speed_keys[sensor_attr->nr][3]; + newkey[4] = 0; + + mutex_lock(&applesmc_lock); + + ret = applesmc_read_key(newkey, buffer, 2); + speed = ((buffer[0] << 8 | buffer[1]) >> 2); + + mutex_unlock(&applesmc_lock); + if (ret) + return ret; + else + return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", speed); +} + +static ssize_t applesmc_store_fan_speed(struct device *dev, + struct device_attribute *attr, + const char *sysfsbuf, size_t count) +{ + int ret; + u32 speed; + char newkey[5]; + u8 buffer[2]; + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + + speed = simple_strtoul(sysfsbuf, NULL, 10); + + if (speed > 0x4000) /* Bigger than a 14-bit value */ + return -EINVAL; + + newkey[0] = fan_speed_keys[sensor_attr->nr][0]; + newkey[1] = '0' + sensor_attr->index; + newkey[2] = fan_speed_keys[sensor_attr->nr][2]; + newkey[3] = fan_speed_keys[sensor_attr->nr][3]; + newkey[4] = 0; + + mutex_lock(&applesmc_lock); + + buffer[0] = (speed >> 6) & 0xff; + buffer[1] = (speed << 2) & 0xff; + ret = applesmc_write_key(newkey, buffer, 2); + + mutex_unlock(&applesmc_lock); + if (ret) + return ret; + else + return count; +} + +static ssize_t applesmc_show_fan_manual(struct device *dev, + struct device_attribute *devattr, char *sysfsbuf) +{ + int ret; + u16 manual = 0; + u8 buffer[2]; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + + mutex_lock(&applesmc_lock); + + ret = applesmc_read_key(FANS_MANUAL, buffer, 2); + manual = ((buffer[0] << 8 | buffer[1]) >> attr->index) & 0x01; + + mutex_unlock(&applesmc_lock); + if (ret) + return ret; + else + return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", manual); +} + +static ssize_t applesmc_store_fan_manual(struct device *dev, + struct device_attribute *devattr, + const char *sysfsbuf, size_t count) +{ + int ret; + u8 buffer[2]; + u32 input; + u16 val; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + + input = simple_strtoul(sysfsbuf, NULL, 10); + + mutex_lock(&applesmc_lock); + + ret = applesmc_read_key(FANS_MANUAL, buffer, 2); + val = (buffer[0] << 8 | buffer[1]); + if (ret) + goto out; + + if (input) + val = val | (0x01 << attr->index); + else + val = val & ~(0x01 << attr->index); + + buffer[0] = (val >> 8) & 0xFF; + buffer[1] = val & 0xFF; + + ret = applesmc_write_key(FANS_MANUAL, buffer, 2); + +out: + mutex_unlock(&applesmc_lock); + if (ret) + return ret; + else + return count; +} + +static ssize_t applesmc_show_fan_position(struct device *dev, + struct device_attribute *attr, char *sysfsbuf) +{ + int ret; + char newkey[5]; + u8 buffer[17]; + struct sensor_device_attribute_2 *sensor_attr = + to_sensor_dev_attr_2(attr); + + newkey[0] = FAN_POSITION[0]; + newkey[1] = '0' + sensor_attr->index; + newkey[2] = FAN_POSITION[2]; + newkey[3] = FAN_POSITION[3]; + newkey[4] = 0; + + mutex_lock(&applesmc_lock); + + ret = applesmc_read_key(newkey, buffer, 16); + buffer[16] = 0; + + mutex_unlock(&applesmc_lock); + if (ret) + return ret; + else + return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", buffer+4); +} + +static ssize_t applesmc_calibrate_show(struct device *dev, + struct device_attribute *attr, char *sysfsbuf) +{ + return snprintf(sysfsbuf, PAGE_SIZE, "(%d,%d)\n", rest_x, rest_y); +} + +static ssize_t applesmc_calibrate_store(struct device *dev, + struct device_attribute *attr, const char *sysfsbuf, size_t count) +{ + mutex_lock(&applesmc_lock); + applesmc_calibrate(); + mutex_unlock(&applesmc_lock); + + return count; +} + +/* Store the next backlight value to be written by the work */ +static unsigned int backlight_value; + +static void applesmc_backlight_set(struct work_struct *work) +{ + u8 buffer[2]; + + mutex_lock(&applesmc_lock); + buffer[0] = backlight_value; + buffer[1] = 0x00; + applesmc_write_key(BACKLIGHT_KEY, buffer, 2); + mutex_unlock(&applesmc_lock); +} +static DECLARE_WORK(backlight_work, &applesmc_backlight_set); + +static void applesmc_brightness_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + int ret; + + backlight_value = value; + ret = queue_work(applesmc_led_wq, &backlight_work); + + if (debug && (!ret)) + printk(KERN_DEBUG "applesmc: work was already on the queue.\n"); +} + +static ssize_t applesmc_key_count_show(struct device *dev, + struct device_attribute *attr, char *sysfsbuf) +{ + int ret; + u8 buffer[4]; + u32 count; + + mutex_lock(&applesmc_lock); + + ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4); + count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) + + ((u32)buffer[2]<<8) + buffer[3]; + + mutex_unlock(&applesmc_lock); + if (ret) + return ret; + else + return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", count); +} + +static ssize_t applesmc_key_at_index_read_show(struct device *dev, + struct device_attribute *attr, char *sysfsbuf) +{ + char key[5]; + char info[6]; + int ret; + + mutex_lock(&applesmc_lock); + + ret = applesmc_get_key_at_index(key_at_index, key); + + if (ret || !key[0]) { + mutex_unlock(&applesmc_lock); + + return -EINVAL; + } + + ret = applesmc_get_key_type(key, info); + + if (ret) { + mutex_unlock(&applesmc_lock); + + return ret; + } + + /* + * info[0] maximum value (APPLESMC_MAX_DATA_LENGTH) is much lower than + * PAGE_SIZE, so we don't need any checks before writing to sysfsbuf. + */ + ret = applesmc_read_key(key, sysfsbuf, info[0]); + + mutex_unlock(&applesmc_lock); + + if (!ret) { + return info[0]; + } + else { + return ret; + } +} + +static ssize_t applesmc_key_at_index_data_length_show(struct device *dev, + struct device_attribute *attr, char *sysfsbuf) +{ + char key[5]; + char info[6]; + int ret; + + mutex_lock(&applesmc_lock); + + ret = applesmc_get_key_at_index(key_at_index, key); + + if (ret || !key[0]) { + mutex_unlock(&applesmc_lock); + + return -EINVAL; + } + + ret = applesmc_get_key_type(key, info); + + mutex_unlock(&applesmc_lock); + + if (!ret) + return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", info[0]); + else + return ret; +} + +static ssize_t applesmc_key_at_index_type_show(struct device *dev, + struct device_attribute *attr, char *sysfsbuf) +{ + char key[5]; + char info[6]; + int ret; + + mutex_lock(&applesmc_lock); + + ret = applesmc_get_key_at_index(key_at_index, key); + + if (ret || !key[0]) { + mutex_unlock(&applesmc_lock); + + return -EINVAL; + } + + ret = applesmc_get_key_type(key, info); + + mutex_unlock(&applesmc_lock); + + if (!ret) + return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", info+1); + else + return ret; +} + +static ssize_t applesmc_key_at_index_name_show(struct device *dev, + struct device_attribute *attr, char *sysfsbuf) +{ + char key[5]; + int ret; + + mutex_lock(&applesmc_lock); + + ret = applesmc_get_key_at_index(key_at_index, key); + + mutex_unlock(&applesmc_lock); + + if (!ret && key[0]) + return snprintf(sysfsbuf, PAGE_SIZE, "%s\n", key); + else + return -EINVAL; +} + +static ssize_t applesmc_key_at_index_show(struct device *dev, + struct device_attribute *attr, char *sysfsbuf) +{ + return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", key_at_index); +} + +static ssize_t applesmc_key_at_index_store(struct device *dev, + struct device_attribute *attr, const char *sysfsbuf, size_t count) +{ + mutex_lock(&applesmc_lock); + + key_at_index = simple_strtoul(sysfsbuf, NULL, 10); + + mutex_unlock(&applesmc_lock); + + return count; +} + +static struct led_classdev applesmc_backlight = { + .name = "smc:kbd_backlight", + .default_trigger = "nand-disk", + .brightness_set = applesmc_brightness_set, +}; + +static DEVICE_ATTR(position, 0444, applesmc_position_show, NULL); +static DEVICE_ATTR(calibrate, 0644, + applesmc_calibrate_show, applesmc_calibrate_store); + +static struct attribute *accelerometer_attributes[] = { + &dev_attr_position.attr, + &dev_attr_calibrate.attr, + NULL +}; + +static const struct attribute_group accelerometer_attributes_group = + { .attrs = accelerometer_attributes }; + +static DEVICE_ATTR(light, 0444, applesmc_light_show, NULL); + +static DEVICE_ATTR(key_count, 0444, applesmc_key_count_show, NULL); +static DEVICE_ATTR(key_at_index, 0644, + applesmc_key_at_index_show, applesmc_key_at_index_store); +static DEVICE_ATTR(key_at_index_name, 0444, + applesmc_key_at_index_name_show, NULL); +static DEVICE_ATTR(key_at_index_type, 0444, + applesmc_key_at_index_type_show, NULL); +static DEVICE_ATTR(key_at_index_data_length, 0444, + applesmc_key_at_index_data_length_show, NULL); +static DEVICE_ATTR(key_at_index_data, 0444, + applesmc_key_at_index_read_show, NULL); + +static struct attribute *key_enumeration_attributes[] = { + &dev_attr_key_count.attr, + &dev_attr_key_at_index.attr, + &dev_attr_key_at_index_name.attr, + &dev_attr_key_at_index_type.attr, + &dev_attr_key_at_index_data_length.attr, + &dev_attr_key_at_index_data.attr, + NULL +}; + +static const struct attribute_group key_enumeration_group = + { .attrs = key_enumeration_attributes }; + +/* + * Macro defining SENSOR_DEVICE_ATTR for a fan sysfs entries. + * - show actual speed + * - show/store minimum speed + * - show maximum speed + * - show safe speed + * - show/store target speed + * - show/store manual mode + */ +#define sysfs_fan_speeds_offset(offset) \ +static SENSOR_DEVICE_ATTR_2(fan##offset##_input, S_IRUGO, \ + applesmc_show_fan_speed, NULL, 0, offset-1); \ +\ +static SENSOR_DEVICE_ATTR_2(fan##offset##_min, S_IRUGO | S_IWUSR, \ + applesmc_show_fan_speed, applesmc_store_fan_speed, 1, offset-1); \ +\ +static SENSOR_DEVICE_ATTR_2(fan##offset##_max, S_IRUGO, \ + applesmc_show_fan_speed, NULL, 2, offset-1); \ +\ +static SENSOR_DEVICE_ATTR_2(fan##offset##_safe, S_IRUGO, \ + applesmc_show_fan_speed, NULL, 3, offset-1); \ +\ +static SENSOR_DEVICE_ATTR_2(fan##offset##_output, S_IRUGO | S_IWUSR, \ + applesmc_show_fan_speed, applesmc_store_fan_speed, 4, offset-1); \ +\ +static SENSOR_DEVICE_ATTR(fan##offset##_manual, S_IRUGO | S_IWUSR, \ + applesmc_show_fan_manual, applesmc_store_fan_manual, offset-1); \ +\ +static SENSOR_DEVICE_ATTR(fan##offset##_position, S_IRUGO, \ + applesmc_show_fan_position, NULL, offset-1); \ +\ +static struct attribute *fan##offset##_attributes[] = { \ + &sensor_dev_attr_fan##offset##_input.dev_attr.attr, \ + &sensor_dev_attr_fan##offset##_min.dev_attr.attr, \ + &sensor_dev_attr_fan##offset##_max.dev_attr.attr, \ + &sensor_dev_attr_fan##offset##_safe.dev_attr.attr, \ + &sensor_dev_attr_fan##offset##_output.dev_attr.attr, \ + &sensor_dev_attr_fan##offset##_manual.dev_attr.attr, \ + &sensor_dev_attr_fan##offset##_position.dev_attr.attr, \ + NULL \ +}; + +/* + * Create the needed functions for each fan using the macro defined above + * (2 fans are supported) + */ +sysfs_fan_speeds_offset(1); +sysfs_fan_speeds_offset(2); + +static const struct attribute_group fan_attribute_groups[] = { + { .attrs = fan1_attributes }, + { .attrs = fan2_attributes } +}; + +/* + * Temperature sensors sysfs entries. + */ +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, + applesmc_show_temperature, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, + applesmc_show_temperature, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, + applesmc_show_temperature, NULL, 2); +static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, + applesmc_show_temperature, NULL, 3); +static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, + applesmc_show_temperature, NULL, 4); +static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO, + applesmc_show_temperature, NULL, 5); +static SENSOR_DEVICE_ATTR(temp7_input, S_IRUGO, + applesmc_show_temperature, NULL, 6); +static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO, + applesmc_show_temperature, NULL, 7); +static SENSOR_DEVICE_ATTR(temp9_input, S_IRUGO, + applesmc_show_temperature, NULL, 8); +static SENSOR_DEVICE_ATTR(temp10_input, S_IRUGO, + applesmc_show_temperature, NULL, 9); +static SENSOR_DEVICE_ATTR(temp11_input, S_IRUGO, + applesmc_show_temperature, NULL, 10); +static SENSOR_DEVICE_ATTR(temp12_input, S_IRUGO, + applesmc_show_temperature, NULL, 11); + +static struct attribute *temperature_attributes[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp4_input.dev_attr.attr, + &sensor_dev_attr_temp5_input.dev_attr.attr, + &sensor_dev_attr_temp6_input.dev_attr.attr, + &sensor_dev_attr_temp7_input.dev_attr.attr, + &sensor_dev_attr_temp8_input.dev_attr.attr, + &sensor_dev_attr_temp9_input.dev_attr.attr, + &sensor_dev_attr_temp10_input.dev_attr.attr, + &sensor_dev_attr_temp11_input.dev_attr.attr, + &sensor_dev_attr_temp12_input.dev_attr.attr, + NULL +}; + +static const struct attribute_group temperature_attributes_group = + { .attrs = temperature_attributes }; + +/* Module stuff */ + +/* + * applesmc_dmi_match - found a match. return one, short-circuiting the hunt. + */ +static int applesmc_dmi_match(struct dmi_system_id *id) +{ + int i = 0; + struct dmi_match_data* dmi_data = id->driver_data; + printk(KERN_INFO "applesmc: %s detected:\n", id->ident); + applesmc_accelerometer = dmi_data->accelerometer; + printk(KERN_INFO "applesmc: - Model %s accelerometer\n", + applesmc_accelerometer ? "with" : "without"); + applesmc_light = dmi_data->light; + printk(KERN_INFO "applesmc: - Model %s light sensors and backlight\n", + applesmc_light ? "with" : "without"); + + applesmc_temperature_set = dmi_data->temperature_set; + while (temperature_sensors_sets[applesmc_temperature_set][i] != NULL) + i++; + printk(KERN_INFO "applesmc: - Model with %d temperature sensors\n", i); + return 1; +} + +/* Create accelerometer ressources */ +static int applesmc_create_accelerometer(void) +{ + int ret; + + ret = sysfs_create_group(&pdev->dev.kobj, + &accelerometer_attributes_group); + if (ret) + goto out; + + applesmc_idev = input_allocate_device(); + if (!applesmc_idev) { + ret = -ENOMEM; + goto out_sysfs; + } + + /* initial calibrate for the input device */ + applesmc_calibrate(); + + /* initialize the input class */ + applesmc_idev->name = "applesmc"; + applesmc_idev->id.bustype = BUS_HOST; + applesmc_idev->cdev.dev = &pdev->dev; + applesmc_idev->evbit[0] = BIT(EV_ABS); + applesmc_idev->open = applesmc_idev_open; + applesmc_idev->close = applesmc_idev_close; + input_set_abs_params(applesmc_idev, ABS_X, + -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); + input_set_abs_params(applesmc_idev, ABS_Y, + -256, 256, APPLESMC_INPUT_FUZZ, APPLESMC_INPUT_FLAT); + + ret = input_register_device(applesmc_idev); + if (ret) + goto out_idev; + + /* start up our timer for the input device */ + init_timer(&applesmc_timer); + applesmc_timer.function = applesmc_idev_poll; + applesmc_timer.expires = jiffies + APPLESMC_POLL_PERIOD; + + return 0; + +out_idev: + input_free_device(applesmc_idev); + +out_sysfs: + sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); + +out: + printk(KERN_WARNING "applesmc: driver init failed (ret=%d)!\n", ret); + return ret; +} + +/* Release all ressources used by the accelerometer */ +static void applesmc_release_accelerometer(void) +{ + del_timer_sync(&applesmc_timer); + input_unregister_device(applesmc_idev); + sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); +} + +static __initdata struct dmi_match_data applesmc_dmi_data[] = { +/* MacBook Pro: accelerometer, backlight and temperature set 0 */ + { .accelerometer = 1, .light = 1, .temperature_set = 0 }, +/* MacBook: accelerometer and temperature set 0 */ + { .accelerometer = 1, .light = 0, .temperature_set = 0 }, +/* MacBook: temperature set 1 */ + { .accelerometer = 0, .light = 0, .temperature_set = 1 } +}; + +/* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1". + * So we need to put "Apple MacBook Pro" before "Apple MacBook". */ +static __initdata struct dmi_system_id applesmc_whitelist[] = { + { applesmc_dmi_match, "Apple MacBook Pro", { + DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), + DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") }, + (void*)&applesmc_dmi_data[0]}, + { applesmc_dmi_match, "Apple MacBook", { + DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), + DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") }, + (void*)&applesmc_dmi_data[1]}, + { applesmc_dmi_match, "Apple Macmini", { + DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), + DMI_MATCH(DMI_PRODUCT_NAME,"Macmini") }, + (void*)&applesmc_dmi_data[2]}, + { .ident = NULL } +}; + +static int __init applesmc_init(void) +{ + int ret; + int count; + int i; + + mutex_init(&applesmc_lock); + + if (!dmi_check_system(applesmc_whitelist)) { + printk(KERN_WARNING "applesmc: supported laptop not found!\n"); + ret = -ENODEV; + goto out; + } + + if (!request_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS, + "applesmc")) { + ret = -ENXIO; + goto out; + } + + ret = platform_driver_register(&applesmc_driver); + if (ret) + goto out_region; + + pdev = platform_device_register_simple("applesmc", -1, NULL, 0); + if (IS_ERR(pdev)) { + ret = PTR_ERR(pdev); + goto out_driver; + } + + /* Create key enumeration sysfs files */ + ret = sysfs_create_group(&pdev->dev.kobj, &key_enumeration_group); + if (ret) + goto out_device; + + /* create fan files */ + count = applesmc_get_fan_count(); + if (count < 0) { + printk(KERN_ERR "applesmc: Cannot get the number of fans.\n"); + } else { + printk(KERN_INFO "applesmc: %d fans found.\n", count); + + switch (count) { + default: + printk(KERN_WARNING "applesmc: More than 2 fans found," + " but at most 2 fans are supported" + " by the driver.\n"); + case 2: + ret = sysfs_create_group(&pdev->dev.kobj, + &fan_attribute_groups[1]); + if (ret) + goto out_key_enumeration; + case 1: + ret = sysfs_create_group(&pdev->dev.kobj, + &fan_attribute_groups[0]); + if (ret) + goto out_fan_1; + case 0: + ; + } + } + + for (i = 0; + temperature_sensors_sets[applesmc_temperature_set][i] != NULL; + i++) { + if (temperature_attributes[i] == NULL) { + printk(KERN_ERR "applesmc: More temperature sensors " + "in temperature_sensors_sets (at least %i)" + "than available sysfs files in " + "temperature_attributes (%i), please report " + "this bug.\n", i, i-1); + goto out_temperature; + } + ret = sysfs_create_file(&pdev->dev.kobj, + temperature_attributes[i]); + if (ret) + goto out_temperature; + } + + if (applesmc_accelerometer) { + ret = applesmc_create_accelerometer(); + if (ret) + goto out_temperature; + } + + if (applesmc_light) { + /* Add light sensor file */ + ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_light.attr); + if (ret) + goto out_accelerometer; + + /* Create the workqueue */ + applesmc_led_wq = create_singlethread_workqueue("applesmc-led"); + if (!applesmc_led_wq) { + ret = -ENOMEM; + goto out_light_sysfs; + } + + /* register as a led device */ + ret = led_classdev_register(&pdev->dev, &applesmc_backlight); + if (ret < 0) + goto out_light_wq; + } + + hwmon_class_dev = hwmon_device_register(&pdev->dev); + if (IS_ERR(hwmon_class_dev)) { + ret = PTR_ERR(hwmon_class_dev); + goto out_light_ledclass; + } + + printk(KERN_INFO "applesmc: driver successfully loaded.\n"); + + return 0; + +out_light_ledclass: + if (applesmc_light) + led_classdev_unregister(&applesmc_backlight); +out_light_wq: + if (applesmc_light) + destroy_workqueue(applesmc_led_wq); +out_light_sysfs: + if (applesmc_light) + sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr); +out_accelerometer: + if (applesmc_accelerometer) + applesmc_release_accelerometer(); +out_temperature: + sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group); + sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]); +out_fan_1: + sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]); +out_key_enumeration: + sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group); +out_device: + platform_device_unregister(pdev); +out_driver: + platform_driver_unregister(&applesmc_driver); +out_region: + release_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS); +out: + printk(KERN_WARNING "applesmc: driver init failed (ret=%d)!\n", ret); + return ret; +} + +static void __exit applesmc_exit(void) +{ + hwmon_device_unregister(hwmon_class_dev); + if (applesmc_light) { + led_classdev_unregister(&applesmc_backlight); + destroy_workqueue(applesmc_led_wq); + sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr); + } + if (applesmc_accelerometer) + applesmc_release_accelerometer(); + sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group); + sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]); + sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]); + sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group); + platform_device_unregister(pdev); + platform_driver_unregister(&applesmc_driver); + release_region(APPLESMC_DATA_PORT, APPLESMC_NR_PORTS); + + printk(KERN_INFO "applesmc: driver unloaded.\n"); +} + +module_init(applesmc_init); +module_exit(applesmc_exit); + +MODULE_AUTHOR("Nicolas Boichat"); +MODULE_DESCRIPTION("Apple SMC"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c index bf759ea545a..f82fa2d23f9 100644 --- a/drivers/hwmon/hdaps.c +++ b/drivers/hwmon/hdaps.c @@ -30,10 +30,12 @@ #include <linux/platform_device.h> #include <linux/input.h> #include <linux/kernel.h> +#include <linux/mutex.h> #include <linux/module.h> #include <linux/timer.h> #include <linux/dmi.h> #include <linux/jiffies.h> + #include <asm/io.h> #define HDAPS_LOW_PORT 0x1600 /* first port used by hdaps */ @@ -71,10 +73,10 @@ static u8 km_activity; static int rest_x; static int rest_y; -static DECLARE_MUTEX(hdaps_sem); +static DEFINE_MUTEX(hdaps_mtx); /* - * __get_latch - Get the value from a given port. Callers must hold hdaps_sem. + * __get_latch - Get the value from a given port. Callers must hold hdaps_mtx. */ static inline u8 __get_latch(u16 port) { @@ -83,7 +85,7 @@ static inline u8 __get_latch(u16 port) /* * __check_latch - Check a port latch for a given value. Returns zero if the - * port contains the given value. Callers must hold hdaps_sem. + * port contains the given value. Callers must hold hdaps_mtx. */ static inline int __check_latch(u16 port, u8 val) { @@ -94,7 +96,7 @@ static inline int __check_latch(u16 port, u8 val) /* * __wait_latch - Wait up to 100us for a port latch to get a certain value, - * returning zero if the value is obtained. Callers must hold hdaps_sem. + * returning zero if the value is obtained. Callers must hold hdaps_mtx. */ static int __wait_latch(u16 port, u8 val) { @@ -111,7 +113,7 @@ static int __wait_latch(u16 port, u8 val) /* * __device_refresh - request a refresh from the accelerometer. Does not wait - * for refresh to complete. Callers must hold hdaps_sem. + * for refresh to complete. Callers must hold hdaps_mtx. */ static void __device_refresh(void) { @@ -125,7 +127,7 @@ static void __device_refresh(void) /* * __device_refresh_sync - request a synchronous refresh from the * accelerometer. We wait for the refresh to complete. Returns zero if - * successful and nonzero on error. Callers must hold hdaps_sem. + * successful and nonzero on error. Callers must hold hdaps_mtx. */ static int __device_refresh_sync(void) { @@ -135,7 +137,7 @@ static int __device_refresh_sync(void) /* * __device_complete - indicate to the accelerometer that we are done reading - * data, and then initiate an async refresh. Callers must hold hdaps_sem. + * data, and then initiate an async refresh. Callers must hold hdaps_mtx. */ static inline void __device_complete(void) { @@ -153,7 +155,7 @@ static int hdaps_readb_one(unsigned int port, u8 *val) { int ret; - down(&hdaps_sem); + mutex_lock(&hdaps_mtx); /* do a sync refresh -- we need to be sure that we read fresh data */ ret = __device_refresh_sync(); @@ -164,7 +166,7 @@ static int hdaps_readb_one(unsigned int port, u8 *val) __device_complete(); out: - up(&hdaps_sem); + mutex_unlock(&hdaps_mtx); return ret; } @@ -199,9 +201,9 @@ static int hdaps_read_pair(unsigned int port1, unsigned int port2, { int ret; - down(&hdaps_sem); + mutex_lock(&hdaps_mtx); ret = __hdaps_read_pair(port1, port2, val1, val2); - up(&hdaps_sem); + mutex_unlock(&hdaps_mtx); return ret; } @@ -214,7 +216,7 @@ static int hdaps_device_init(void) { int total, ret = -ENXIO; - down(&hdaps_sem); + mutex_lock(&hdaps_mtx); outb(0x13, 0x1610); outb(0x01, 0x161f); @@ -280,7 +282,7 @@ static int hdaps_device_init(void) } out: - up(&hdaps_sem); + mutex_unlock(&hdaps_mtx); return ret; } @@ -314,7 +316,7 @@ static struct platform_driver hdaps_driver = { }; /* - * hdaps_calibrate - Set our "resting" values. Callers must hold hdaps_sem. + * hdaps_calibrate - Set our "resting" values. Callers must hold hdaps_mtx. */ static void hdaps_calibrate(void) { @@ -326,7 +328,7 @@ static void hdaps_mousedev_poll(unsigned long unused) int x, y; /* Cannot sleep. Try nonblockingly. If we fail, try again later. */ - if (down_trylock(&hdaps_sem)) { + if (mutex_trylock(&hdaps_mtx)) { mod_timer(&hdaps_timer,jiffies + HDAPS_POLL_PERIOD); return; } @@ -341,7 +343,7 @@ static void hdaps_mousedev_poll(unsigned long unused) mod_timer(&hdaps_timer, jiffies + HDAPS_POLL_PERIOD); out: - up(&hdaps_sem); + mutex_unlock(&hdaps_mtx); } @@ -421,9 +423,9 @@ static ssize_t hdaps_calibrate_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - down(&hdaps_sem); + mutex_lock(&hdaps_mtx); hdaps_calibrate(); - up(&hdaps_sem); + mutex_unlock(&hdaps_mtx); return count; } diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c index 8c953707253..039a07fde90 100644 --- a/drivers/i2c/busses/i2c-parport.c +++ b/drivers/i2c/busses/i2c-parport.c @@ -175,6 +175,7 @@ static void i2c_parport_attach (struct parport *port) } adapter->algo_data.data = port; adapter->adapter.algo_data = &adapter->algo_data; + adapter->adapter.dev.parent = port->physport->dev; if (parport_claim_or_block(adapter->pdev) < 0) { printk(KERN_ERR "i2c-parport: Could not claim parallel port\n"); diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index 0db56e7bc34..0d6bd4f7b7f 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -28,7 +28,6 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/i2c.h> -#include <linux/smp_lock.h> #include <linux/pci.h> #include <linux/delay.h> #include <linux/mutex.h> diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index cb4fa9bef8c..e7a70971059 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -30,7 +30,6 @@ #include <linux/module.h> #include <linux/fs.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/list.h> #include <linux/i2c.h> diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index 2da5cbb5356..2cdd629c653 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -395,7 +395,7 @@ static void __devinit apple_kiwi_init(struct pci_dev *pdev) unsigned int class_rev = 0; u8 conf; - if (np == NULL || !device_is_compatible(np, "kiwi-root")) + if (np == NULL || !of_device_is_compatible(np, "kiwi-root")) return; pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev); diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 071a030ec26..a49ebe44bab 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -1157,32 +1157,32 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif) pmif->cable_80 = 0; pmif->broken_dma = pmif->broken_dma_warn = 0; - if (device_is_compatible(np, "shasta-ata")) + if (of_device_is_compatible(np, "shasta-ata")) pmif->kind = controller_sh_ata6; - else if (device_is_compatible(np, "kauai-ata")) + else if (of_device_is_compatible(np, "kauai-ata")) pmif->kind = controller_un_ata6; - else if (device_is_compatible(np, "K2-UATA")) + else if (of_device_is_compatible(np, "K2-UATA")) pmif->kind = controller_k2_ata6; - else if (device_is_compatible(np, "keylargo-ata")) { + else if (of_device_is_compatible(np, "keylargo-ata")) { if (strcmp(np->name, "ata-4") == 0) pmif->kind = controller_kl_ata4; else pmif->kind = controller_kl_ata3; - } else if (device_is_compatible(np, "heathrow-ata")) + } else if (of_device_is_compatible(np, "heathrow-ata")) pmif->kind = controller_heathrow; else { pmif->kind = controller_ohare; pmif->broken_dma = 1; } - bidp = get_property(np, "AAPL,bus-id", NULL); + bidp = of_get_property(np, "AAPL,bus-id", NULL); pmif->aapl_bus_id = bidp ? *bidp : 0; /* Get cable type from device-tree */ if (pmif->kind == controller_kl_ata4 || pmif->kind == controller_un_ata6 || pmif->kind == controller_k2_ata6 || pmif->kind == controller_sh_ata6) { - const char* cable = get_property(np, "cable-type", NULL); + const char* cable = of_get_property(np, "cable-type", NULL); if (cable && !strncmp(cable, "80-", 3)) pmif->cable_80 = 1; } @@ -1190,8 +1190,8 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif) * they have a 80 conductor cable, this seem to be always the case unless * the user mucked around */ - if (device_is_compatible(np, "K2-UATA") || - device_is_compatible(np, "shasta-ata")) + if (of_device_is_compatible(np, "K2-UATA") || + of_device_is_compatible(np, "shasta-ata")) pmif->cable_80 = 1; /* On Kauai-type controllers, we make sure the FCR is correct */ diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index 026e38face5..20814137761 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -94,7 +94,6 @@ #include <linux/pci.h> #include <linux/fs.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> #include <linux/bitops.h> #include <asm/byteorder.h> diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index c6aefd9ad0e..d382500f421 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -35,7 +35,6 @@ #include <linux/poll.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/vmalloc.h> #include <linux/cdev.h> diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index 95ca26d7527..87ebd0846c3 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c @@ -39,7 +39,6 @@ #include <linux/pci.h> #include <linux/fs.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/bitops.h> #include <linux/types.h> diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c index 2d370543e96..fe90e745456 100644 --- a/drivers/infiniband/hw/ehca/ehca_main.c +++ b/drivers/infiniband/hw/ehca/ehca_main.c @@ -570,7 +570,7 @@ static int __devinit ehca_probe(struct ibmebus_dev *dev, struct ib_pd *ibpd; int ret; - handle = get_property(dev->ofdev.node, "ibm,hca-handle", NULL); + handle = of_get_property(dev->ofdev.node, "ibm,hca-handle", NULL); if (!handle) { ehca_gen_err("Cannot get eHCA handle for adapter: %s.", dev->ofdev.node->full_name); diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c index 036ed1ef179..ebd5c7bd2cd 100644 --- a/drivers/infiniband/hw/ipath/ipath_fs.c +++ b/drivers/infiniband/hw/ipath/ipath_fs.c @@ -523,7 +523,7 @@ static int ipathfs_fill_super(struct super_block *sb, void *data, int ret; static struct tree_descr files[] = { - [1] = {"atomic_stats", &atomic_stats_ops, S_IRUGO}, + [2] = {"atomic_stats", &atomic_stats_ops, S_IRUGO}, {""}, }; diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 89d6008bb67..3702e237555 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -35,7 +35,6 @@ #include <asm/io.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/version.h> diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index a4c3729d396..55a72592704 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -18,7 +18,6 @@ #include <linux/init.h> #include <linux/input.h> #include <linux/major.h> -#include <linux/smp_lock.h> #include <linux/device.h> #include <linux/compat.h> diff --git a/drivers/input/input.c b/drivers/input/input.c index 915e9ab7cab..ccd8abafcb7 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -11,7 +11,6 @@ */ #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/input.h> #include <linux/module.h> #include <linux/random.h> diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index 9bcc5425049..06f0541b24d 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -24,7 +24,6 @@ #include <linux/module.h> #include <linux/poll.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/device.h> MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 73572391295..8c8cd95a698 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -74,7 +74,6 @@ #include <linux/stat.h> #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/smp_lock.h> #include <linux/usb/input.h> #define DRIVER_VERSION "v0.0.6" diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index 7678e987655..8675f950939 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -19,7 +19,6 @@ #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/input.h> -#include <linux/smp_lock.h> #include <linux/random.h> #include <linux/major.h> #include <linux/device.h> diff --git a/drivers/input/tsdev.c b/drivers/input/tsdev.c index 5e5b5c91d75..8238b13874c 100644 --- a/drivers/input/tsdev.c +++ b/drivers/input/tsdev.c @@ -48,7 +48,6 @@ #include <linux/init.h> #include <linux/input.h> #include <linux/major.h> -#include <linux/smp_lock.h> #include <linux/random.h> #include <linux/time.h> #include <linux/device.h> diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index db1260f73f1..81661b8bd3a 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -18,8 +18,8 @@ #include <linux/fcntl.h> #include <linux/fs.h> #include <linux/signal.h> +#include <linux/mutex.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/timer.h> #include <linux/wait.h> #ifdef CONFIG_ISDN_CAPI_MIDDLEWARE @@ -147,7 +147,7 @@ struct capidev { struct capincci *nccis; - struct semaphore ncci_list_sem; + struct mutex ncci_list_mtx; }; /* -------- global variables ---------------------------------------- */ @@ -395,7 +395,7 @@ static struct capidev *capidev_alloc(void) if (!cdev) return NULL; - init_MUTEX(&cdev->ncci_list_sem); + mutex_init(&cdev->ncci_list_mtx); skb_queue_head_init(&cdev->recvqueue); init_waitqueue_head(&cdev->recvwait); write_lock_irqsave(&capidev_list_lock, flags); @@ -414,9 +414,9 @@ static void capidev_free(struct capidev *cdev) } skb_queue_purge(&cdev->recvqueue); - down(&cdev->ncci_list_sem); + mutex_lock(&cdev->ncci_list_mtx); capincci_free(cdev, 0xffffffff); - up(&cdev->ncci_list_sem); + mutex_unlock(&cdev->ncci_list_mtx); write_lock_irqsave(&capidev_list_lock, flags); list_del(&cdev->list); @@ -603,15 +603,15 @@ static void capi_recv_message(struct capi20_appl *ap, struct sk_buff *skb) if (CAPIMSG_CMD(skb->data) == CAPI_CONNECT_B3_CONF) { u16 info = CAPIMSG_U16(skb->data, 12); // Info field if (info == 0) { - down(&cdev->ncci_list_sem); + mutex_lock(&cdev->ncci_list_mtx); capincci_alloc(cdev, CAPIMSG_NCCI(skb->data)); - up(&cdev->ncci_list_sem); + mutex_unlock(&cdev->ncci_list_mtx); } } if (CAPIMSG_CMD(skb->data) == CAPI_CONNECT_B3_IND) { - down(&cdev->ncci_list_sem); + mutex_lock(&cdev->ncci_list_mtx); capincci_alloc(cdev, CAPIMSG_NCCI(skb->data)); - up(&cdev->ncci_list_sem); + mutex_unlock(&cdev->ncci_list_mtx); } spin_lock_irqsave(&workaround_lock, flags); if (CAPIMSG_COMMAND(skb->data) != CAPI_DATA_B3) { @@ -752,9 +752,9 @@ capi_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos CAPIMSG_SETAPPID(skb->data, cdev->ap.applid); if (CAPIMSG_CMD(skb->data) == CAPI_DISCONNECT_B3_RESP) { - down(&cdev->ncci_list_sem); + mutex_lock(&cdev->ncci_list_mtx); capincci_free(cdev, CAPIMSG_NCCI(skb->data)); - up(&cdev->ncci_list_sem); + mutex_unlock(&cdev->ncci_list_mtx); } cdev->errcode = capi20_put_message(&cdev->ap, skb); @@ -939,9 +939,9 @@ capi_ioctl(struct inode *inode, struct file *file, if (copy_from_user(&ncci, argp, sizeof(ncci))) return -EFAULT; - down(&cdev->ncci_list_sem); + mutex_lock(&cdev->ncci_list_mtx); if ((nccip = capincci_find(cdev, (u32) ncci)) == 0) { - up(&cdev->ncci_list_sem); + mutex_unlock(&cdev->ncci_list_mtx); return 0; } #ifdef CONFIG_ISDN_CAPI_MIDDLEWARE @@ -949,7 +949,7 @@ capi_ioctl(struct inode *inode, struct file *file, count += atomic_read(&mp->ttyopencount); } #endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */ - up(&cdev->ncci_list_sem); + mutex_unlock(&cdev->ncci_list_mtx); return count; } return 0; @@ -964,14 +964,14 @@ capi_ioctl(struct inode *inode, struct file *file, if (copy_from_user(&ncci, argp, sizeof(ncci))) return -EFAULT; - down(&cdev->ncci_list_sem); + mutex_lock(&cdev->ncci_list_mtx); nccip = capincci_find(cdev, (u32) ncci); if (!nccip || (mp = nccip->minorp) == 0) { - up(&cdev->ncci_list_sem); + mutex_unlock(&cdev->ncci_list_mtx); return -ESRCH; } unit = mp->minor; - up(&cdev->ncci_list_sem); + mutex_unlock(&cdev->ncci_list_mtx); return unit; } return 0; diff --git a/drivers/isdn/capi/capiutil.c b/drivers/isdn/capi/capiutil.c index ad1e2702c2d..22379b94e88 100644 --- a/drivers/isdn/capi/capiutil.c +++ b/drivers/isdn/capi/capiutil.c @@ -855,7 +855,7 @@ static _cdebbuf *g_debbuf; static u_long g_debbuf_lock; static _cmsg *g_cmsg; -_cdebbuf *cdebbuf_alloc(void) +static _cdebbuf *cdebbuf_alloc(void) { _cdebbuf *cdb; @@ -989,11 +989,6 @@ _cdebbuf *capi_cmsg2str(_cmsg * cmsg) return &g_debbuf; } -_cdebbuf *cdebbuf_alloc(void) -{ - return &g_debbuf; -} - void cdebbuf_free(_cdebbuf *cdb) { } @@ -1009,7 +1004,6 @@ void __exit cdebug_exit(void) #endif -EXPORT_SYMBOL(cdebbuf_alloc); EXPORT_SYMBOL(cdebbuf_free); EXPORT_SYMBOL(capi_cmsg2message); EXPORT_SYMBOL(capi_message2cmsg); diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c index 53a18900335..be77ee625bb 100644 --- a/drivers/isdn/divert/divert_procfs.c +++ b/drivers/isdn/divert/divert_procfs.c @@ -11,7 +11,6 @@ #include <linux/module.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #ifdef CONFIG_PROC_FS #include <linux/proc_fs.h> #else diff --git a/drivers/isdn/hardware/eicon/capimain.c b/drivers/isdn/hardware/eicon/capimain.c index 7a74ed35b1b..98fcdfc7ca5 100644 --- a/drivers/isdn/hardware/eicon/capimain.c +++ b/drivers/isdn/hardware/eicon/capimain.c @@ -13,7 +13,6 @@ #include <linux/module.h> #include <linux/init.h> #include <asm/uaccess.h> -#include <linux/smp_lock.h> #include <linux/skbuff.h> #include "os_capi.h" diff --git a/drivers/isdn/hardware/eicon/dbgioctl.h b/drivers/isdn/hardware/eicon/dbgioctl.h deleted file mode 100644 index 0fb6f5e88b6..00000000000 --- a/drivers/isdn/hardware/eicon/dbgioctl.h +++ /dev/null @@ -1,198 +0,0 @@ - -/* - * - Copyright (c) Eicon Technology Corporation, 2000. - * - This source file is supplied for the use with Eicon - Technology Corporation's range of DIVA Server Adapters. - * - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - * - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY - implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - See the GNU General Public License for more details. - * - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ -/*------------------------------------------------------------------*/ -/* file: dbgioctl.h */ -/*------------------------------------------------------------------*/ - -#if !defined(__DBGIOCTL_H__) - -#define __DBGIOCTL_H__ - -#ifdef NOT_YET_NEEDED -/* - * The requested operation is passed in arg0 of DbgIoctlArgs, - * additional arguments (if any) in arg1, arg2 and arg3. - */ - -typedef struct -{ ULONG arg0 ; - ULONG arg1 ; - ULONG arg2 ; - ULONG arg3 ; -} DbgIoctlArgs ; - -#define DBG_COPY_LOGS 0 /* copy debugs to user until buffer full */ - /* arg1: size threshold */ - /* arg2: timeout in milliseconds */ - -#define DBG_FLUSH_LOGS 1 /* flush pending debugs to user buffer */ - /* arg1: internal driver id */ - -#define DBG_LIST_DRVS 2 /* return the list of registered drivers */ - -#define DBG_GET_MASK 3 /* get current debug mask of driver */ - /* arg1: internal driver id */ - -#define DBG_SET_MASK 4 /* set/change debug mask of driver */ - /* arg1: internal driver id */ - /* arg2: new debug mask */ - -#define DBG_GET_BUFSIZE 5 /* get current buffer size of driver */ - /* arg1: internal driver id */ - /* arg2: new debug mask */ - -#define DBG_SET_BUFSIZE 6 /* set new buffer size of driver */ - /* arg1: new buffer size */ - -/* - * common internal debug message structure - */ - -typedef struct -{ unsigned short id ; /* virtual driver id */ - unsigned short type ; /* special message type */ - unsigned long seq ; /* sequence number of message */ - unsigned long size ; /* size of message in bytes */ - unsigned long next ; /* offset to next buffered message */ - LARGE_INTEGER NTtime ; /* 100 ns since 1.1.1601 */ - unsigned char data[4] ;/* message data */ -} OldDbgMessage ; - -typedef struct -{ LARGE_INTEGER NTtime ; /* 100 ns since 1.1.1601 */ - unsigned short size ; /* size of message in bytes */ - unsigned short ffff ; /* always 0xffff to indicate new msg */ - unsigned short id ; /* virtual driver id */ - unsigned short type ; /* special message type */ - unsigned long seq ; /* sequence number of message */ - unsigned char data[4] ;/* message data */ -} DbgMessage ; - -#endif - -#define DRV_ID_UNKNOWN 0x0C /* for messages via prtComp() */ - -#define MSG_PROC_FLAG 0x80 -#define MSG_PROC_NO_GET(x) (((x) & MSG_PROC_FLAG) ? (((x) >> 4) & 7) : -1) -#define MSG_PROC_NO_SET(x) (MSG_PROC_FLAG | (((x) & 7) << 4)) - -#define MSG_TYPE_DRV_ID 0x0001 -#define MSG_TYPE_FLAGS 0x0002 -#define MSG_TYPE_STRING 0x0003 -#define MSG_TYPE_BINARY 0x0004 - -#define MSG_HEAD_SIZE ((unsigned long)&(((DbgMessage *)0)->data[0])) -#define MSG_ALIGN(len) (((unsigned long)(len) + MSG_HEAD_SIZE + 3) & ~3) -#define MSG_SIZE(pMsg) MSG_ALIGN((pMsg)->size) -#define MSG_NEXT(pMsg) ((DbgMessage *)( ((char *)(pMsg)) + MSG_SIZE(pMsg) )) - -#define OLD_MSG_HEAD_SIZE ((unsigned long)&(((OldDbgMessage *)0)->data[0])) -#define OLD_MSG_ALIGN(len) (((unsigned long)(len)+OLD_MSG_HEAD_SIZE+3) & ~3) - -/* - * manifest constants - */ - -#define MSG_FRAME_MAX_SIZE 2150 /* maximum size of B1 frame */ -#define MSG_TEXT_MAX_SIZE 1024 /* maximum size of msg text */ -#define MSG_MAX_SIZE MSG_ALIGN(MSG_FRAME_MAX_SIZE) -#define DBG_MIN_BUFFER_SIZE 0x00008000 /* minimal total buffer size 32 KB */ -#define DBG_DEF_BUFFER_SIZE 0x00020000 /* default total buffer size 128 KB */ -#define DBG_MAX_BUFFER_SIZE 0x00400000 /* maximal total buffer size 4 MB */ - -#define DBGDRV_NAME "Diehl_DIMAINT" -#define UNIDBG_DRIVER L"\\Device\\Diehl_DIMAINT" /* UNICODE name for kernel */ -#define DEBUG_DRIVER "\\\\.\\" DBGDRV_NAME /* traditional string for apps */ -#define DBGVXD_NAME "DIMAINT" -#define DEBUG_VXD "\\\\.\\" DBGVXD_NAME /* traditional string for apps */ - -/* - * Special IDI interface debug construction - */ - -#define DBG_IDI_SIG_REQ (unsigned long)0xF479C402 -#define DBG_IDI_SIG_IND (unsigned long)0xF479C403 -#define DBG_IDI_NL_REQ (unsigned long)0xF479C404 -#define DBG_IDI_NL_IND (unsigned long)0xF479C405 - -typedef struct -{ unsigned long magic_type ; - unsigned short data_len ; - unsigned char layer_ID ; - unsigned char entity_ID ; - unsigned char request ; - unsigned char ret_code ; - unsigned char indication ; - unsigned char complete ; - unsigned char data[4] ; -} DbgIdiAct, *DbgIdiAction ; - -/* - * We want to use the same IOCTL codes in Win95 and WinNT. - * The official constructor for IOCTL codes is the CTL_CODE macro - * from <winoctl.h> (<devioctl.h> in WinNT DDK environment). - * The problem here is that we don't know how to get <winioctl.h> - * working in a Win95 DDK environment! - */ - -# ifdef CTL_CODE /*{*/ - -/* Assert that we have the same idea of the CTL_CODE macro. */ - -#define CTL_CODE( DeviceType, Function, Method, Access ) ( \ - ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method) \ -) - -# else /* !CTL_CODE */ /*}{*/ - -/* Use the definitions stolen from <winioctl.h>. */ - -#define CTL_CODE( DeviceType, Function, Method, Access ) ( \ - ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method) \ -) - -#define METHOD_BUFFERED 0 -#define METHOD_IN_DIRECT 1 -#define METHOD_OUT_DIRECT 2 -#define METHOD_NEITHER 3 - -#define FILE_ANY_ACCESS 0 -#define FILE_READ_ACCESS ( 0x0001 ) // file & pipe -#define FILE_WRITE_ACCESS ( 0x0002 ) // file & pipe - -# endif /* CTL_CODE */ /*}*/ - -/* - * Now we can define WinNT/Win95 DeviceIoControl codes. - * - * These codes are defined in di_defs.h too, a possible mismatch will be - * detected when the dbgtool is compiled. - */ - -#define IOCTL_DRIVER_LNK \ - CTL_CODE(0x8001U,0x701,METHOD_OUT_DIRECT,FILE_ANY_ACCESS) -#define IOCTL_DRIVER_DBG \ - CTL_CODE(0x8001U,0x702,METHOD_OUT_DIRECT,FILE_ANY_ACCESS) - -#endif /* __DBGIOCTL_H__ */ diff --git a/drivers/isdn/hardware/eicon/divamnt.c b/drivers/isdn/hardware/eicon/divamnt.c index 4aba5c502d8..c9092897424 100644 --- a/drivers/isdn/hardware/eicon/divamnt.c +++ b/drivers/isdn/hardware/eicon/divamnt.c @@ -13,7 +13,6 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/poll.h> #include <asm/uaccess.h> diff --git a/drivers/isdn/hardware/eicon/divasi.c b/drivers/isdn/hardware/eicon/divasi.c index 556b19615bc..78f141e7746 100644 --- a/drivers/isdn/hardware/eicon/divasi.c +++ b/drivers/isdn/hardware/eicon/divasi.c @@ -14,7 +14,6 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/poll.h> #include <linux/proc_fs.h> #include <linux/skbuff.h> diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c index 5e862e24411..6d39f936076 100644 --- a/drivers/isdn/hardware/eicon/divasmain.c +++ b/drivers/isdn/hardware/eicon/divasmain.c @@ -17,7 +17,6 @@ #include <linux/ioport.h> #include <linux/workqueue.h> #include <linux/pci.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/list.h> #include <linux/poll.h> diff --git a/drivers/isdn/hardware/eicon/main_if.h b/drivers/isdn/hardware/eicon/main_if.h deleted file mode 100644 index 0ea339afd42..00000000000 --- a/drivers/isdn/hardware/eicon/main_if.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * - Copyright (c) Eicon Technology Corporation, 2000. - * - This source file is supplied for the use with Eicon - Technology Corporation's range of DIVA Server Adapters. - * - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - * - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY - implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - See the GNU General Public License for more details. - * - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ -/*------------------------------------------------------------------*/ -/* file: main_if.h */ -/*------------------------------------------------------------------*/ -# ifndef MAIN_IF___H -# define MAIN_IF___H - -# include "debug_if.h" - -void DI_lock (void) ; -void DI_unlock (void) ; - -#ifdef NOT_YET_NEEDED -void DI_nttime (LARGE_INTEGER *NTtime) ; -void DI_ntlcltime(LARGE_INTEGER *NTtime, LARGE_INTEGER *lclNTtime) ; -void DI_nttimefields(LARGE_INTEGER *NTtime, TIME_FIELDS *TimeFields); -unsigned long DI_wintime(LARGE_INTEGER *NTtime) ; - -unsigned short DiInsertProcessorNumber (int type) ; -void DiProcessEventLog (unsigned short id, unsigned long msgID, va_list ap); - -void StartIoctlTimer (void (*Handler)(void), unsigned long msec) ; -void StopIoctlTimer (void) ; -void UnpendIoctl (DbgRequest *pDbgReq) ; -#endif - -void add_to_q(int, char* , unsigned int); -# endif /* MAIN_IF___H */ - diff --git a/drivers/isdn/hardware/eicon/platform.h b/drivers/isdn/hardware/eicon/platform.h index ff09f07f440..15d4942de53 100644 --- a/drivers/isdn/hardware/eicon/platform.h +++ b/drivers/isdn/hardware/eicon/platform.h @@ -26,7 +26,6 @@ #include <linux/vmalloc.h> #include <linux/proc_fs.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/list.h> #include <asm/types.h> diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c index 9f44d3e69fb..99e70d4103b 100644 --- a/drivers/isdn/hisax/hfc_usb.c +++ b/drivers/isdn/hisax/hfc_usb.c @@ -37,7 +37,6 @@ #include <linux/kernel_stat.h> #include <linux/usb.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include "hisax.h" #include "hisax_if.h" #include "hfc_usb.h" diff --git a/drivers/isdn/hysdn/boardergo.c b/drivers/isdn/hysdn/boardergo.c index 84dccd526ac..6cdbad3a992 100644 --- a/drivers/isdn/hysdn/boardergo.c +++ b/drivers/isdn/hysdn/boardergo.c @@ -443,7 +443,7 @@ ergo_inithardware(hysdn_card * card) card->waitpofready = ergo_waitpofready; card->set_errlog_state = ergo_set_errlog_state; INIT_WORK(&card->irq_queue, ergo_irq_bh); - card->hysdn_lock = SPIN_LOCK_UNLOCKED; + spin_lock_init(&card->hysdn_lock); return (0); } /* ergo_inithardware */ diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c index 4c7dedac0e5..27b3991fb0e 100644 --- a/drivers/isdn/hysdn/hysdn_proclog.c +++ b/drivers/isdn/hysdn/hysdn_proclog.c @@ -297,8 +297,6 @@ hysdn_log_close(struct inode *ino, struct file *filep) struct procdata *pd; hysdn_card *card; int retval = 0; - unsigned long flags; - spinlock_t hysdn_lock = SPIN_LOCK_UNLOCKED; lock_kernel(); if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) { @@ -308,7 +306,6 @@ hysdn_log_close(struct inode *ino, struct file *filep) /* read access -> log/debug read, mark one further file as closed */ pd = NULL; - spin_lock_irqsave(&hysdn_lock, flags); inf = *((struct log_data **) filep->private_data); /* get first log entry */ if (inf) pd = (struct procdata *) inf->proc_ctrl; /* still entries there */ @@ -331,7 +328,6 @@ hysdn_log_close(struct inode *ino, struct file *filep) inf->usage_cnt--; /* decrement usage count for buffers */ inf = inf->next; } - spin_unlock_irqrestore(&hysdn_lock, flags); if (pd) if (pd->if_used <= 0) /* delete buffers if last file closed */ diff --git a/drivers/isdn/isdnloop/isdnloop.c b/drivers/isdn/isdnloop/isdnloop.c index e93ad59f60b..bb92e3cd933 100644 --- a/drivers/isdn/isdnloop/isdnloop.c +++ b/drivers/isdn/isdnloop/isdnloop.c @@ -1462,7 +1462,7 @@ isdnloop_initcard(char *id) skb_queue_head_init(&card->bqueue[i]); } skb_queue_head_init(&card->dqueue); - card->isdnloop_lock = SPIN_LOCK_UNLOCKED; + spin_lock_init(&card->isdnloop_lock); card->next = cards; cards = card; if (!register_isdn(&card->interface)) { diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index 1a86387e23b..a32c91e27b3 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -1,6 +1,10 @@ -menu "Macintosh device drivers" +menuconfig MACINTOSH_DRIVERS + bool "Macintosh device drivers" depends on PPC || MAC || X86 + default y + +if MACINTOSH_DRIVERS config ADB bool "Apple Desktop Bus (ADB) support" @@ -109,7 +113,9 @@ config PMAC_SMU config PMAC_APM_EMU tristate "APM emulation" - depends on PPC_PMAC && PPC32 && PM && ADB_PMU + select SYS_SUPPORTS_APM_EMULATION + select APM_EMULATION + depends on ADB_PMU && PM config PMAC_MEDIABAY bool "Support PowerBook hotswap media bay" @@ -234,4 +240,4 @@ config PMAC_RACKMETER This driver procides some support to control the front panel blue LEDs "vu-meter" of the XServer macs. -endmenu +endif # MACINTOSH_DRIVERS diff --git a/drivers/macintosh/apm_emu.c b/drivers/macintosh/apm_emu.c index cdb0bead991..9821e6361e6 100644 --- a/drivers/macintosh/apm_emu.c +++ b/drivers/macintosh/apm_emu.c @@ -1,9 +1,7 @@ -/* APM emulation layer for PowerMac - * - * Copyright 2001 Benjamin Herrenschmidt (benh@kernel.crashing.org) +/* + * APM emulation for PMU-based machines * - * Lots of code inherited from apm.c, see appropriate notice in - * arch/i386/kernel/apm.c + * Copyright 2001 Benjamin Herrenschmidt (benh@kernel.crashing.org) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -18,429 +16,39 @@ * */ -#include <linux/module.h> - -#include <linux/poll.h> -#include <linux/types.h> -#include <linux/stddef.h> -#include <linux/timer.h> -#include <linux/fcntl.h> -#include <linux/slab.h> -#include <linux/stat.h> -#include <linux/proc_fs.h> -#include <linux/miscdevice.h> -#include <linux/apm_bios.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/pm.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> - +#include <linux/module.h> +#include <linux/apm-emulation.h> #include <linux/adb.h> #include <linux/pmu.h> -#include <asm/system.h> -#include <asm/uaccess.h> -#include <asm/machdep.h> - -#undef DEBUG - -#ifdef DEBUG -#define DBG(args...) printk(KERN_DEBUG args) -//#define DBG(args...) xmon_printf(args) -#else -#define DBG(args...) do { } while (0) -#endif - -/* - * The apm_bios device is one of the misc char devices. - * This is its minor number. - */ -#define APM_MINOR_DEV 134 - -/* - * Maximum number of events stored - */ -#define APM_MAX_EVENTS 20 - -#define FAKE_APM_BIOS_VERSION 0x0101 - -#define APM_USER_NOTIFY_TIMEOUT (5*HZ) - -/* - * The per-file APM data - */ -struct apm_user { - int magic; - struct apm_user * next; - int suser: 1; - int suspend_waiting: 1; - int suspends_pending; - int suspends_read; - int event_head; - int event_tail; - apm_event_t events[APM_MAX_EVENTS]; -}; - -/* - * The magic number in apm_user - */ -#define APM_BIOS_MAGIC 0x4101 - -/* - * Local variables - */ -static int suspends_pending; - -static DECLARE_WAIT_QUEUE_HEAD(apm_waitqueue); -static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue); -static struct apm_user * user_list; - -static void apm_notify_sleep(struct pmu_sleep_notifier *self, int when); -static struct pmu_sleep_notifier apm_sleep_notifier = { - apm_notify_sleep, - SLEEP_LEVEL_USERLAND, -}; - -static const char driver_version[] = "0.5"; /* no spaces */ - -#ifdef DEBUG -static char * apm_event_name[] = { - "system standby", - "system suspend", - "normal resume", - "critical resume", - "low battery", - "power status change", - "update time", - "critical suspend", - "user standby", - "user suspend", - "system standby resume", - "capabilities change" -}; -#define NR_APM_EVENT_NAME \ - (sizeof(apm_event_name) / sizeof(apm_event_name[0])) - -#endif - -static int queue_empty(struct apm_user *as) -{ - return as->event_head == as->event_tail; -} - -static apm_event_t get_queued_event(struct apm_user *as) -{ - as->event_tail = (as->event_tail + 1) % APM_MAX_EVENTS; - return as->events[as->event_tail]; -} - -static void queue_event(apm_event_t event, struct apm_user *sender) -{ - struct apm_user * as; - - DBG("apm_emu: queue_event(%s)\n", apm_event_name[event-1]); - if (user_list == NULL) - return; - for (as = user_list; as != NULL; as = as->next) { - if (as == sender) - continue; - as->event_head = (as->event_head + 1) % APM_MAX_EVENTS; - if (as->event_head == as->event_tail) { - static int notified; - - if (notified++ == 0) - printk(KERN_ERR "apm_emu: an event queue overflowed\n"); - as->event_tail = (as->event_tail + 1) % APM_MAX_EVENTS; - } - as->events[as->event_head] = event; - if (!as->suser) - continue; - switch (event) { - case APM_SYS_SUSPEND: - case APM_USER_SUSPEND: - as->suspends_pending++; - suspends_pending++; - break; - case APM_NORMAL_RESUME: - as->suspend_waiting = 0; - break; - } - } - wake_up_interruptible(&apm_waitqueue); -} - -static int check_apm_user(struct apm_user *as, const char *func) -{ - if ((as == NULL) || (as->magic != APM_BIOS_MAGIC)) { - printk(KERN_ERR "apm_emu: %s passed bad filp\n", func); - return 1; - } - return 0; -} - -static ssize_t do_read(struct file *fp, char __user *buf, size_t count, loff_t *ppos) -{ - struct apm_user * as; - size_t i; - apm_event_t event; - DECLARE_WAITQUEUE(wait, current); - - as = fp->private_data; - if (check_apm_user(as, "read")) - return -EIO; - if (count < sizeof(apm_event_t)) - return -EINVAL; - if (queue_empty(as)) { - if (fp->f_flags & O_NONBLOCK) - return -EAGAIN; - add_wait_queue(&apm_waitqueue, &wait); -repeat: - set_current_state(TASK_INTERRUPTIBLE); - if (queue_empty(as) && !signal_pending(current)) { - schedule(); - goto repeat; - } - set_current_state(TASK_RUNNING); - remove_wait_queue(&apm_waitqueue, &wait); - } - i = count; - while ((i >= sizeof(event)) && !queue_empty(as)) { - event = get_queued_event(as); - DBG("apm_emu: do_read, returning: %s\n", apm_event_name[event-1]); - if (copy_to_user(buf, &event, sizeof(event))) { - if (i < count) - break; - return -EFAULT; - } - switch (event) { - case APM_SYS_SUSPEND: - case APM_USER_SUSPEND: - as->suspends_read++; - break; - } - buf += sizeof(event); - i -= sizeof(event); - } - if (i < count) - return count - i; - if (signal_pending(current)) - return -ERESTARTSYS; - return 0; -} - -static unsigned int do_poll(struct file *fp, poll_table * wait) -{ - struct apm_user * as; - - as = fp->private_data; - if (check_apm_user(as, "poll")) - return 0; - poll_wait(fp, &apm_waitqueue, wait); - if (!queue_empty(as)) - return POLLIN | POLLRDNORM; - return 0; -} - -static int do_ioctl(struct inode * inode, struct file *filp, - u_int cmd, u_long arg) -{ - struct apm_user * as; - DECLARE_WAITQUEUE(wait, current); - - as = filp->private_data; - if (check_apm_user(as, "ioctl")) - return -EIO; - if (!as->suser) - return -EPERM; - switch (cmd) { - case APM_IOC_SUSPEND: - /* If a suspend message was sent to userland, we - * consider this as a confirmation message - */ - if (as->suspends_read > 0) { - as->suspends_read--; - as->suspends_pending--; - suspends_pending--; - } else { - // Route to PMU suspend ? - break; - } - as->suspend_waiting = 1; - add_wait_queue(&apm_waitqueue, &wait); - DBG("apm_emu: ioctl waking up sleep waiter !\n"); - wake_up(&apm_suspend_waitqueue); - mb(); - while(as->suspend_waiting && !signal_pending(current)) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - } - set_current_state(TASK_RUNNING); - remove_wait_queue(&apm_waitqueue, &wait); - break; - default: - return -EINVAL; - } - return 0; -} - -static int do_release(struct inode * inode, struct file * filp) -{ - struct apm_user * as; - - as = filp->private_data; - if (check_apm_user(as, "release")) - return 0; - filp->private_data = NULL; - lock_kernel(); - if (as->suspends_pending > 0) { - suspends_pending -= as->suspends_pending; - if (suspends_pending <= 0) - wake_up(&apm_suspend_waitqueue); - } - if (user_list == as) - user_list = as->next; - else { - struct apm_user * as1; - - for (as1 = user_list; - (as1 != NULL) && (as1->next != as); - as1 = as1->next) - ; - if (as1 == NULL) - printk(KERN_ERR "apm: filp not in user list\n"); - else - as1->next = as->next; - } - unlock_kernel(); - kfree(as); - return 0; -} - -static int do_open(struct inode * inode, struct file * filp) -{ - struct apm_user * as; - - as = kmalloc(sizeof(*as), GFP_KERNEL); - if (as == NULL) { - printk(KERN_ERR "apm: cannot allocate struct of size %d bytes\n", - sizeof(*as)); - return -ENOMEM; - } - as->magic = APM_BIOS_MAGIC; - as->event_tail = as->event_head = 0; - as->suspends_pending = 0; - as->suspends_read = 0; - /* - * XXX - this is a tiny bit broken, when we consider BSD - * process accounting. If the device is opened by root, we - * instantly flag that we used superuser privs. Who knows, - * we might close the device immediately without doing a - * privileged operation -- cevans - */ - as->suser = capable(CAP_SYS_ADMIN); - as->next = user_list; - user_list = as; - filp->private_data = as; - - DBG("apm_emu: opened by %s, suser: %d\n", current->comm, (int)as->suser); - - return 0; -} - -/* Wait for all clients to ack the suspend request. APM API - * doesn't provide a way to NAK, but this could be added - * here. - */ -static void wait_all_suspend(void) -{ - DECLARE_WAITQUEUE(wait, current); - - add_wait_queue(&apm_suspend_waitqueue, &wait); - DBG("apm_emu: wait_all_suspend(), suspends_pending: %d\n", suspends_pending); - while(suspends_pending > 0) { - set_current_state(TASK_UNINTERRUPTIBLE); - schedule(); - } - set_current_state(TASK_RUNNING); - remove_wait_queue(&apm_suspend_waitqueue, &wait); - - DBG("apm_emu: wait_all_suspend() - complete !\n"); -} - -static void apm_notify_sleep(struct pmu_sleep_notifier *self, int when) -{ - switch(when) { - case PBOOK_SLEEP_REQUEST: - queue_event(APM_SYS_SUSPEND, NULL); - wait_all_suspend(); - break; - case PBOOK_WAKE: - queue_event(APM_NORMAL_RESUME, NULL); - break; - } -} - #define APM_CRITICAL 10 #define APM_LOW 30 -static int apm_emu_get_info(char *buf, char **start, off_t fpos, int length) +static void pmu_apm_get_power_status(struct apm_power_info *info) { - /* Arguments, with symbols from linux/apm_bios.h. Information is - from the Get Power Status (0x0a) call unless otherwise noted. + int percentage = -1; + int batteries = 0; + int time_units = -1; + int real_count = 0; + int i; + char charging = 0; + long charge = -1; + long amperage = 0; + unsigned long btype = 0; + + info->battery_status = APM_BATTERY_STATUS_UNKNOWN; + info->battery_flag = APM_BATTERY_FLAG_UNKNOWN; + info->units = APM_UNITS_MINS; + + if (pmu_power_flags & PMU_PWR_AC_PRESENT) + info->ac_line_status = APM_AC_ONLINE; + else + info->ac_line_status = APM_AC_OFFLINE; - 0) Linux driver version (this will change if format changes) - 1) APM BIOS Version. Usually 1.0, 1.1 or 1.2. - 2) APM flags from APM Installation Check (0x00): - bit 0: APM_16_BIT_SUPPORT - bit 1: APM_32_BIT_SUPPORT - bit 2: APM_IDLE_SLOWS_CLOCK - bit 3: APM_BIOS_DISABLED - bit 4: APM_BIOS_DISENGAGED - 3) AC line status - 0x00: Off-line - 0x01: On-line - 0x02: On backup power (BIOS >= 1.1 only) - 0xff: Unknown - 4) Battery status - 0x00: High - 0x01: Low - 0x02: Critical - 0x03: Charging - 0x04: Selected battery not present (BIOS >= 1.2 only) - 0xff: Unknown - 5) Battery flag - bit 0: High - bit 1: Low - bit 2: Critical - bit 3: Charging - bit 7: No system battery - 0xff: Unknown - 6) Remaining battery life (percentage of charge): - 0-100: valid - -1: Unknown - 7) Remaining battery life (time units): - Number of remaining minutes or seconds - -1: Unknown - 8) min = minutes; sec = seconds */ - - unsigned short ac_line_status; - unsigned short battery_status = 0; - unsigned short battery_flag = 0xff; - int percentage = -1; - int time_units = -1; - int real_count = 0; - int i; - char * p = buf; - char charging = 0; - long charge = -1; - long amperage = 0; - unsigned long btype = 0; - - ac_line_status = ((pmu_power_flags & PMU_PWR_AC_PRESENT) != 0); for (i=0; i<pmu_battery_count; i++) { if (pmu_batteries[i].flags & PMU_BATT_PRESENT) { - battery_status++; + batteries++; if (percentage < 0) percentage = 0; if (charge < 0) @@ -456,9 +64,9 @@ static int apm_emu_get_info(char *buf, char **start, off_t fpos, int length) charging++; } } - if (0 == battery_status) - ac_line_status = 1; - battery_status = 0xff; + if (batteries == 0) + info->ac_line_status = APM_AC_ONLINE; + if (real_count) { if (amperage < 0) { if (btype == PMU_BATT_TYPE_SMART) @@ -468,85 +76,44 @@ static int apm_emu_get_info(char *buf, char **start, off_t fpos, int length) } percentage /= real_count; if (charging > 0) { - battery_status = 0x03; - battery_flag = 0x08; + info->battery_status = APM_BATTERY_STATUS_CHARGING; + info->battery_flag = APM_BATTERY_FLAG_CHARGING; } else if (percentage <= APM_CRITICAL) { - battery_status = 0x02; - battery_flag = 0x04; + info->battery_status = APM_BATTERY_STATUS_CRITICAL; + info->battery_flag = APM_BATTERY_FLAG_CRITICAL; } else if (percentage <= APM_LOW) { - battery_status = 0x01; - battery_flag = 0x02; + info->battery_status = APM_BATTERY_STATUS_LOW; + info->battery_flag = APM_BATTERY_FLAG_LOW; } else { - battery_status = 0x00; - battery_flag = 0x01; + info->battery_status = APM_BATTERY_STATUS_HIGH; + info->battery_flag = APM_BATTERY_FLAG_HIGH; } } - p += sprintf(p, "%s %d.%d 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n", - driver_version, - (FAKE_APM_BIOS_VERSION >> 8) & 0xff, - FAKE_APM_BIOS_VERSION & 0xff, - 0, - ac_line_status, - battery_status, - battery_flag, - percentage, - time_units, - "min"); - return p - buf; + info->battery_life = percentage; + info->time = time_units; } -static const struct file_operations apm_bios_fops = { - .owner = THIS_MODULE, - .read = do_read, - .poll = do_poll, - .ioctl = do_ioctl, - .open = do_open, - .release = do_release, -}; - -static struct miscdevice apm_device = { - APM_MINOR_DEV, - "apm_bios", - &apm_bios_fops -}; - static int __init apm_emu_init(void) { - struct proc_dir_entry *apm_proc; - - if (sys_ctrler != SYS_CTRLER_PMU) { - printk(KERN_INFO "apm_emu: Requires a machine with a PMU.\n"); - return -ENODEV; - } - - apm_proc = create_proc_info_entry("apm", 0, NULL, apm_emu_get_info); - if (apm_proc) - apm_proc->owner = THIS_MODULE; + apm_get_power_status = pmu_apm_get_power_status; - if (misc_register(&apm_device) != 0) - printk(KERN_INFO "Could not create misc. device for apm\n"); - - pmu_register_sleep_notifier(&apm_sleep_notifier); - - printk(KERN_INFO "apm_emu: APM Emulation %s initialized.\n", driver_version); + printk(KERN_INFO "apm_emu: PMU APM Emulation initialized.\n"); return 0; } static void __exit apm_emu_exit(void) { - pmu_unregister_sleep_notifier(&apm_sleep_notifier); - misc_deregister(&apm_device); - remove_proc_entry("apm", NULL); + if (apm_get_power_status == pmu_apm_get_power_status) + apm_get_power_status = NULL; - printk(KERN_INFO "apm_emu: APM Emulation removed.\n"); + printk(KERN_INFO "apm_emu: PMU APM Emulation removed.\n"); } module_init(apm_emu_init); module_exit(apm_emu_exit); MODULE_AUTHOR("Benjamin Herrenschmidt"); -MODULE_DESCRIPTION("APM emulation layer for PowerMac"); +MODULE_DESCRIPTION("APM emulation for PowerMac"); MODULE_LICENSE("GPL"); - diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c index 1599dc34f15..76c1e8e4a48 100644 --- a/drivers/macintosh/mac_hid.c +++ b/drivers/macintosh/mac_hid.c @@ -24,7 +24,7 @@ static int mouse_last_keycode; #if defined(CONFIG_SYSCTL) /* file(s) in /proc/sys/dev/mac_hid */ -ctl_table mac_hid_files[] = { +static ctl_table mac_hid_files[] = { { .ctl_name = DEV_MAC_HID_MOUSE_BUTTON_EMULATION, .procname = "mouse_button_emulation", @@ -53,7 +53,7 @@ ctl_table mac_hid_files[] = { }; /* dir in /proc/sys/dev */ -ctl_table mac_hid_dir[] = { +static ctl_table mac_hid_dir[] = { { .ctl_name = DEV_MAC_HID, .procname = "mac_hid", @@ -65,7 +65,7 @@ ctl_table mac_hid_dir[] = { }; /* /proc/sys/dev itself, in case that is not there yet */ -ctl_table mac_hid_root_dir[] = { +static ctl_table mac_hid_root_dir[] = { { .ctl_name = CTL_DEV, .procname = "dev", @@ -127,7 +127,7 @@ static int emumousebtn_input_register(void) return ret; } -int __init mac_hid_init(void) +static int __init mac_hid_init(void) { int err; diff --git a/drivers/macintosh/macio_sysfs.c b/drivers/macintosh/macio_sysfs.c index cc826791265..112e5ef728f 100644 --- a/drivers/macintosh/macio_sysfs.c +++ b/drivers/macintosh/macio_sysfs.c @@ -41,28 +41,15 @@ compatible_show (struct device *dev, struct device_attribute *attr, char *buf) static ssize_t modalias_show (struct device *dev, struct device_attribute *attr, char *buf) { - struct of_device *of; - const char *compat; - int cplen; - int length; + struct of_device *ofdev = to_of_device(dev); + int len; - of = &to_macio_device (dev)->ofdev; - compat = of_get_property(of->node, "compatible", &cplen); - if (!compat) compat = "", cplen = 1; - length = sprintf (buf, "of:N%sT%s", of->node->name, of->node->type); - buf += length; - while (cplen > 0) { - int l; - l = sprintf (buf, "C%s", compat); - length += l; - buf += l; - l = strlen (compat) + 1; - compat += l; - cplen -= l; - } - length += sprintf(buf, "\n"); + len = of_device_get_modalias(ofdev, buf, PAGE_SIZE); - return length; + buf[len] = '\n'; + buf[len+1] = 0; + + return len+1; } macio_config_of_attr (name, "%s\n"); diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index a98a328b1cf..f8e1a135bf9 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -606,7 +606,7 @@ static void smu_expose_childs(struct work_struct *unused) struct device_node *np; for (np = NULL; (np = of_get_next_child(smu->of_node, np)) != NULL;) - if (device_is_compatible(np, "smu-sensors")) + if (of_device_is_compatible(np, "smu-sensors")) of_platform_device_create(np, "smu-sensors", &smu->of_dev->dev); } diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c index 228903403cf..bd55e6ab99f 100644 --- a/drivers/macintosh/therm_adt746x.c +++ b/drivers/macintosh/therm_adt746x.c @@ -19,7 +19,6 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/suspend.h> #include <linux/kthread.h> @@ -560,9 +559,9 @@ thermostat_init(void) np = of_find_node_by_name(NULL, "fan"); if (!np) return -ENODEV; - if (device_is_compatible(np, "adt7460")) + if (of_device_is_compatible(np, "adt7460")) therm_type = ADT7460; - else if (device_is_compatible(np, "adt7467")) + else if (of_device_is_compatible(np, "adt7467")) therm_type = ADT7467; else return -ENODEV; diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c index 78ff1861713..dbb22403979 100644 --- a/drivers/macintosh/therm_pm72.c +++ b/drivers/macintosh/therm_pm72.c @@ -117,7 +117,6 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/reboot.h> #include <linux/kmod.h> diff --git a/drivers/macintosh/via-pmu-led.c b/drivers/macintosh/via-pmu-led.c index fc89a7047cd..55ad9567138 100644 --- a/drivers/macintosh/via-pmu-led.c +++ b/drivers/macintosh/via-pmu-led.c @@ -31,7 +31,6 @@ static spinlock_t pmu_blink_lock; static struct adb_request pmu_blink_req; /* -1: no change, 0: request off, 1: request on */ static int requested_change; -static int sleeping; static void pmu_req_done(struct adb_request * req) { @@ -41,7 +40,7 @@ static void pmu_req_done(struct adb_request * req) /* if someone requested a change in the meantime * (we only see the last one which is fine) * then apply it now */ - if (requested_change != -1 && !sleeping) + if (requested_change != -1 && !pmu_sys_suspended) pmu_request(&pmu_blink_req, NULL, 4, 0xee, 4, 0, requested_change); /* reset requested change */ requested_change = -1; @@ -66,7 +65,7 @@ static void pmu_led_set(struct led_classdev *led_cdev, break; } /* if request isn't done, then don't do anything */ - if (pmu_blink_req.complete && !sleeping) + if (pmu_blink_req.complete && !pmu_sys_suspended) pmu_request(&pmu_blink_req, NULL, 4, 0xee, 4, 0, requested_change); out: spin_unlock_irqrestore(&pmu_blink_lock, flags); @@ -80,32 +79,6 @@ static struct led_classdev pmu_led = { .brightness_set = pmu_led_set, }; -#ifdef CONFIG_PM -static void pmu_led_sleep_call(struct pmu_sleep_notifier *self, int when) -{ - unsigned long flags; - - spin_lock_irqsave(&pmu_blink_lock, flags); - - switch (when) { - case PBOOK_SLEEP_REQUEST: - sleeping = 1; - break; - case PBOOK_WAKE: - sleeping = 0; - break; - default: - /* do nothing */ - break; - } - spin_unlock_irqrestore(&pmu_blink_lock, flags); -} - -static struct pmu_sleep_notifier via_pmu_led_sleep_notif = { - .notifier_call = pmu_led_sleep_call, -}; -#endif - static int __init via_pmu_led_init(void) { struct device_node *dt; @@ -135,9 +108,7 @@ static int __init via_pmu_led_init(void) /* no outstanding req */ pmu_blink_req.complete = 1; pmu_blink_req.done = pmu_req_done; -#ifdef CONFIG_PM - pmu_register_sleep_notifier(&via_pmu_led_sleep_notif); -#endif + return led_classdev_register(NULL, &pmu_led); } diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index 1729d3fd7a1..157080b3b46 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -310,14 +310,14 @@ int __init find_via_pmu(void) PMU_INT_TICK; if (vias->parent->name && ((strcmp(vias->parent->name, "ohare") == 0) - || device_is_compatible(vias->parent, "ohare"))) + || of_device_is_compatible(vias->parent, "ohare"))) pmu_kind = PMU_OHARE_BASED; - else if (device_is_compatible(vias->parent, "paddington")) + else if (of_device_is_compatible(vias->parent, "paddington")) pmu_kind = PMU_PADDINGTON_BASED; - else if (device_is_compatible(vias->parent, "heathrow")) + else if (of_device_is_compatible(vias->parent, "heathrow")) pmu_kind = PMU_HEATHROW_BASED; - else if (device_is_compatible(vias->parent, "Keylargo") - || device_is_compatible(vias->parent, "K2-Keylargo")) { + else if (of_device_is_compatible(vias->parent, "Keylargo") + || of_device_is_compatible(vias->parent, "K2-Keylargo")) { struct device_node *gpiop; struct device_node *adbp; u64 gaddr = OF_BAD_ADDR; @@ -2759,7 +2759,7 @@ pmu_polled_request(struct adb_request *req) #if defined(CONFIG_PM) && defined(CONFIG_PPC32) -static int pmu_sys_suspended; +int pmu_sys_suspended; static int pmu_sys_suspend(struct sys_device *sysdev, pm_message_t state) { diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c index 94c117ef20c..192b26e9777 100644 --- a/drivers/macintosh/windfarm_core.c +++ b/drivers/macintosh/windfarm_core.c @@ -27,7 +27,6 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/kthread.h> #include <linux/jiffies.h> #include <linux/reboot.h> diff --git a/drivers/macintosh/windfarm_lm75_sensor.c b/drivers/macintosh/windfarm_lm75_sensor.c index ab4d1b63f63..a0fabf3c200 100644 --- a/drivers/macintosh/windfarm_lm75_sensor.c +++ b/drivers/macintosh/windfarm_lm75_sensor.c @@ -188,10 +188,10 @@ static int wf_lm75_attach(struct i2c_adapter *adapter) if (loc == NULL || addr == 0) continue; /* real lm75 */ - if (device_is_compatible(dev, "lm75")) + if (of_device_is_compatible(dev, "lm75")) wf_lm75_create(adapter, addr, 0, loc); /* ds1775 (compatible, better resolution */ - else if (device_is_compatible(dev, "ds1775")) + else if (of_device_is_compatible(dev, "ds1775")) wf_lm75_create(adapter, addr, 1, loc); } return 0; diff --git a/drivers/macintosh/windfarm_max6690_sensor.c b/drivers/macintosh/windfarm_max6690_sensor.c index eaa74afa175..5f03aab9fb5 100644 --- a/drivers/macintosh/windfarm_max6690_sensor.c +++ b/drivers/macintosh/windfarm_max6690_sensor.c @@ -131,7 +131,7 @@ static int wf_max6690_attach(struct i2c_adapter *adapter) */ if (!pmac_i2c_match_adapter(dev, adapter)) continue; - if (!device_is_compatible(dev, "max6690")) + if (!of_device_is_compatible(dev, "max6690")) continue; addr = pmac_i2c_get_dev_addr(dev); loc = of_get_property(dev, "hwsensor-location", NULL); diff --git a/drivers/macintosh/windfarm_smu_controls.c b/drivers/macintosh/windfarm_smu_controls.c index ff398adc028..58c2590f05e 100644 --- a/drivers/macintosh/windfarm_smu_controls.c +++ b/drivers/macintosh/windfarm_smu_controls.c @@ -263,7 +263,7 @@ static int __init smu_controls_init(void) /* Look for RPM fans */ for (fans = NULL; (fans = of_get_next_child(smu, fans)) != NULL;) if (!strcmp(fans->name, "rpm-fans") || - device_is_compatible(fans, "smu-rpm-fans")) + of_device_is_compatible(fans, "smu-rpm-fans")) break; for (fan = NULL; fans && (fan = of_get_next_child(fans, fan)) != NULL;) { diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c index 9a6c2cf8fd0..1043b39aa12 100644 --- a/drivers/macintosh/windfarm_smu_sat.c +++ b/drivers/macintosh/windfarm_smu_sat.c @@ -380,7 +380,7 @@ static int wf_sat_attach(struct i2c_adapter *adapter) busnode = pmac_i2c_get_bus_node(bus); while ((dev = of_get_next_child(busnode, dev)) != NULL) - if (device_is_compatible(dev, "smu-sat")) + if (of_device_is_compatible(dev, "smu-sat")) wf_sat_create(adapter, dev); return 0; } diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index e61e0efe9ec..5a4a74c1097 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1456,10 +1456,10 @@ int bitmap_create(mddev_t *mddev) bitmap->offset = mddev->bitmap_offset; if (file) { get_file(file); - do_sync_file_range(file, 0, LLONG_MAX, - SYNC_FILE_RANGE_WAIT_BEFORE | - SYNC_FILE_RANGE_WRITE | - SYNC_FILE_RANGE_WAIT_AFTER); + do_sync_mapping_range(file->f_mapping, 0, LLONG_MAX, + SYNC_FILE_RANGE_WAIT_BEFORE | + SYNC_FILE_RANGE_WRITE | + SYNC_FILE_RANGE_WAIT_AFTER); } /* read superblock from bitmap file (this sets bitmap->chunksize) */ err = bitmap_read_sb(bitmap); diff --git a/drivers/media/dvb/bt8xx/dst_common.h b/drivers/media/dvb/bt8xx/dst_common.h index 3bf084f2e52..87623d203a8 100644 --- a/drivers/media/dvb/bt8xx/dst_common.h +++ b/drivers/media/dvb/bt8xx/dst_common.h @@ -22,7 +22,6 @@ #ifndef DST_COMMON_H #define DST_COMMON_H -#include <linux/smp_lock.h> #include <linux/dvb/frontend.h> #include <linux/device.h> #include <linux/mutex.h> diff --git a/drivers/media/dvb/ttpci/av7110_av.c b/drivers/media/dvb/ttpci/av7110_av.c index 654c9e919e0..58678c05aa5 100644 --- a/drivers/media/dvb/ttpci/av7110_av.c +++ b/drivers/media/dvb/ttpci/av7110_av.c @@ -32,7 +32,6 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/delay.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include "av7110.h" diff --git a/drivers/media/dvb/ttpci/av7110_ca.c b/drivers/media/dvb/ttpci/av7110_ca.c index e9b4e88e793..e1c1294bb76 100644 --- a/drivers/media/dvb/ttpci/av7110_ca.c +++ b/drivers/media/dvb/ttpci/av7110_ca.c @@ -34,7 +34,6 @@ #include <linux/fs.h> #include <linux/timer.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include "av7110.h" #include "av7110_hw.h" diff --git a/drivers/media/dvb/ttpci/av7110_hw.c b/drivers/media/dvb/ttpci/av7110_hw.c index 4d7150e15d1..70aee4eb5da 100644 --- a/drivers/media/dvb/ttpci/av7110_hw.c +++ b/drivers/media/dvb/ttpci/av7110_hw.c @@ -33,7 +33,6 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/delay.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include "av7110.h" diff --git a/drivers/media/dvb/ttpci/av7110_v4l.c b/drivers/media/dvb/ttpci/av7110_v4l.c index cde5d3ae7ec..fcd9994058d 100644 --- a/drivers/media/dvb/ttpci/av7110_v4l.c +++ b/drivers/media/dvb/ttpci/av7110_v4l.c @@ -31,7 +31,6 @@ #include <linux/fs.h> #include <linux/timer.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include "av7110.h" #include "av7110_hw.h" diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index df8d0520d1d..449df1bb00d 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -79,7 +79,6 @@ #include <linux/videodev2.h> #include <media/v4l2-common.h> #include <linux/usb.h> -#include <linux/smp_lock.h> /* * Version Information diff --git a/drivers/media/video/cpia.h b/drivers/media/video/cpia.h index 6eaa692021c..78392fb6f94 100644 --- a/drivers/media/video/cpia.h +++ b/drivers/media/video/cpia.h @@ -47,7 +47,6 @@ #include <linux/videodev.h> #include <media/v4l2-common.h> #include <linux/list.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> struct cpia_camera_ops diff --git a/drivers/media/video/cpia_pp.c b/drivers/media/video/cpia_pp.c index 19711aaf9a3..c431df8248d 100644 --- a/drivers/media/video/cpia_pp.c +++ b/drivers/media/video/cpia_pp.c @@ -34,7 +34,6 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/workqueue.h> -#include <linux/smp_lock.h> #include <linux/sched.h> #include <linux/kmod.h> diff --git a/drivers/media/video/cx88/cx88-tvaudio.c b/drivers/media/video/cx88/cx88-tvaudio.c index e627062fde3..259ea08e784 100644 --- a/drivers/media/video/cx88/cx88-tvaudio.c +++ b/drivers/media/video/cx88/cx88-tvaudio.c @@ -49,7 +49,6 @@ #include <linux/interrupt.h> #include <linux/vmalloc.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/kthread.h> diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c index ff4b238090a..a5731f90be0 100644 --- a/drivers/media/video/dabusb.c +++ b/drivers/media/video/dabusb.c @@ -37,7 +37,6 @@ #include <asm/atomic.h> #include <linux/delay.h> #include <linux/usb.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> #include "dabusb.h" diff --git a/drivers/media/video/ov511.h b/drivers/media/video/ov511.h index 68b082bcee1..18c64222dd1 100644 --- a/drivers/media/video/ov511.h +++ b/drivers/media/video/ov511.h @@ -4,7 +4,6 @@ #include <asm/uaccess.h> #include <linux/videodev.h> #include <media/v4l2-common.h> -#include <linux/smp_lock.h> #include <linux/usb.h> #include <linux/mutex.h> diff --git a/drivers/media/video/pvrusb2/pvrusb2-main.c b/drivers/media/video/pvrusb2/pvrusb2-main.c index e976c484c05..9ea41c6699b 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-main.c +++ b/drivers/media/video/pvrusb2/pvrusb2-main.c @@ -25,7 +25,6 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/smp_lock.h> #include <linux/usb.h> #include <linux/videodev2.h> diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c index dd759d6d8d2..7b56041186d 100644 --- a/drivers/media/video/saa7134/saa7134-tvaudio.c +++ b/drivers/media/video/saa7134/saa7134-tvaudio.c @@ -27,7 +27,6 @@ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/delay.h> -#include <linux/smp_lock.h> #include <asm/div64.h> #include "saa7134-reg.h" diff --git a/drivers/media/video/se401.h b/drivers/media/video/se401.h index c0891b3e001..835ef872e80 100644 --- a/drivers/media/video/se401.h +++ b/drivers/media/video/se401.h @@ -5,7 +5,6 @@ #include <asm/uaccess.h> #include <linux/videodev.h> #include <media/v4l2-common.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> #define se401_DEBUG /* Turn on debug messages */ diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index a2da5d2afff..c9bf9dbc2ea 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -26,7 +26,6 @@ #include <linux/videodev.h> #include <linux/i2c.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/kthread.h> #include <linux/freezer.h> diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c index 687f026753b..37ce36b9e58 100644 --- a/drivers/media/video/usbvideo/usbvideo.c +++ b/drivers/media/video/usbvideo/usbvideo.c @@ -20,7 +20,6 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/init.h> #include <linux/spinlock.h> diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c index bcb551adb7e..9118a6227ea 100644 --- a/drivers/media/video/usbvision/usbvision-core.c +++ b/drivers/media/video/usbvision/usbvision-core.c @@ -30,7 +30,6 @@ #include <linux/mm.h> #include <linux/utsname.h> #include <linux/highmem.h> -#include <linux/smp_lock.h> #include <linux/videodev.h> #include <linux/vmalloc.h> #include <linux/module.h> diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c index 216704170a4..aa3258bbb4a 100644 --- a/drivers/media/video/usbvision/usbvision-video.c +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -52,7 +52,6 @@ #include <linux/mm.h> #include <linux/utsname.h> #include <linux/highmem.h> -#include <linux/smp_lock.h> #include <linux/videodev.h> #include <linux/vmalloc.h> #include <linux/module.h> diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c index d2c1ae0dbfb..a861e150865 100644 --- a/drivers/media/video/v4l1-compat.c +++ b/drivers/media/video/v4l1-compat.c @@ -23,7 +23,6 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/fs.h> #include <linux/file.h> diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 49f1df74aa2..13ee550d321 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -47,7 +47,6 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/string.h> #include <linux/errno.h> diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index 80ac5f86d9e..5263b50463e 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -30,7 +30,6 @@ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/string.h> #include <linux/errno.h> diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c index 07432373335..cf0ed6cbb0e 100644 --- a/drivers/media/video/zoran_driver.c +++ b/drivers/media/video/zoran_driver.c @@ -2034,7 +2034,7 @@ zoran_do_ioctl (struct inode *inode, * but moving the free code outside the munmap() handler fixes * all this... If someone knows why, please explain me (Ronald) */ - if (!!mutex_trylock(&zr->resource_lock)) { + if (mutex_trylock(&zr->resource_lock)) { /* we obtained it! Let's try to free some things */ if (fh->jpg_buffers.ready_to_be_freed) jpg_fbuffer_free(file); diff --git a/drivers/message/i2o/i2o_lan.h b/drivers/message/i2o/i2o_lan.h deleted file mode 100644 index 6502b817df5..00000000000 --- a/drivers/message/i2o/i2o_lan.h +++ /dev/null @@ -1,159 +0,0 @@ -/* - * i2o_lan.h I2O LAN Class definitions - * - * I2O LAN CLASS OSM May 26th 2000 - * - * (C) Copyright 1999, 2000 University of Helsinki, - * Department of Computer Science - * - * This code is still under development / test. - * - * Author: Auvo Häkkinen <Auvo.Hakkinen@cs.Helsinki.FI> - * Juha Sievänen <Juha.Sievanen@cs.Helsinki.FI> - * Taneli Vähäkangas <Taneli.Vahakangas@cs.Helsinki.FI> - */ - -#ifndef _I2O_LAN_H -#define _I2O_LAN_H - -/* Default values for tunable parameters first */ - -#define I2O_LAN_MAX_BUCKETS_OUT 96 -#define I2O_LAN_BUCKET_THRESH 18 /* 9 buckets in one message */ -#define I2O_LAN_RX_COPYBREAK 200 -#define I2O_LAN_TX_TIMEOUT (1*HZ) -#define I2O_LAN_TX_BATCH_MODE 2 /* 2=automatic, 1=on, 0=off */ -#define I2O_LAN_EVENT_MASK 0 /* 0=None, 0xFFC00002=All */ - -/* LAN types */ -#define I2O_LAN_ETHERNET 0x0030 -#define I2O_LAN_100VG 0x0040 -#define I2O_LAN_TR 0x0050 -#define I2O_LAN_FDDI 0x0060 -#define I2O_LAN_FIBRE_CHANNEL 0x0070 -#define I2O_LAN_UNKNOWN 0x00000000 - -/* Connector types */ - -/* Ethernet */ -#define I2O_LAN_AUI (I2O_LAN_ETHERNET << 4) + 0x00000001 -#define I2O_LAN_10BASE5 (I2O_LAN_ETHERNET << 4) + 0x00000002 -#define I2O_LAN_FIORL (I2O_LAN_ETHERNET << 4) + 0x00000003 -#define I2O_LAN_10BASE2 (I2O_LAN_ETHERNET << 4) + 0x00000004 -#define I2O_LAN_10BROAD36 (I2O_LAN_ETHERNET << 4) + 0x00000005 -#define I2O_LAN_10BASE_T (I2O_LAN_ETHERNET << 4) + 0x00000006 -#define I2O_LAN_10BASE_FP (I2O_LAN_ETHERNET << 4) + 0x00000007 -#define I2O_LAN_10BASE_FB (I2O_LAN_ETHERNET << 4) + 0x00000008 -#define I2O_LAN_10BASE_FL (I2O_LAN_ETHERNET << 4) + 0x00000009 -#define I2O_LAN_100BASE_TX (I2O_LAN_ETHERNET << 4) + 0x0000000A -#define I2O_LAN_100BASE_FX (I2O_LAN_ETHERNET << 4) + 0x0000000B -#define I2O_LAN_100BASE_T4 (I2O_LAN_ETHERNET << 4) + 0x0000000C -#define I2O_LAN_1000BASE_SX (I2O_LAN_ETHERNET << 4) + 0x0000000D -#define I2O_LAN_1000BASE_LX (I2O_LAN_ETHERNET << 4) + 0x0000000E -#define I2O_LAN_1000BASE_CX (I2O_LAN_ETHERNET << 4) + 0x0000000F -#define I2O_LAN_1000BASE_T (I2O_LAN_ETHERNET << 4) + 0x00000010 - -/* AnyLAN */ -#define I2O_LAN_100VG_ETHERNET (I2O_LAN_100VG << 4) + 0x00000001 -#define I2O_LAN_100VG_TR (I2O_LAN_100VG << 4) + 0x00000002 - -/* Token Ring */ -#define I2O_LAN_4MBIT (I2O_LAN_TR << 4) + 0x00000001 -#define I2O_LAN_16MBIT (I2O_LAN_TR << 4) + 0x00000002 - -/* FDDI */ -#define I2O_LAN_125MBAUD (I2O_LAN_FDDI << 4) + 0x00000001 - -/* Fibre Channel */ -#define I2O_LAN_POINT_POINT (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000001 -#define I2O_LAN_ARB_LOOP (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000002 -#define I2O_LAN_PUBLIC_LOOP (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000003 -#define I2O_LAN_FABRIC (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000004 - -#define I2O_LAN_EMULATION 0x00000F00 -#define I2O_LAN_OTHER 0x00000F01 -#define I2O_LAN_DEFAULT 0xFFFFFFFF - -/* LAN class functions */ - -#define LAN_PACKET_SEND 0x3B -#define LAN_SDU_SEND 0x3D -#define LAN_RECEIVE_POST 0x3E -#define LAN_RESET 0x35 -#define LAN_SUSPEND 0x37 - -/* LAN DetailedStatusCode defines */ -#define I2O_LAN_DSC_SUCCESS 0x00 -#define I2O_LAN_DSC_DEVICE_FAILURE 0x01 -#define I2O_LAN_DSC_DESTINATION_NOT_FOUND 0x02 -#define I2O_LAN_DSC_TRANSMIT_ERROR 0x03 -#define I2O_LAN_DSC_TRANSMIT_ABORTED 0x04 -#define I2O_LAN_DSC_RECEIVE_ERROR 0x05 -#define I2O_LAN_DSC_RECEIVE_ABORTED 0x06 -#define I2O_LAN_DSC_DMA_ERROR 0x07 -#define I2O_LAN_DSC_BAD_PACKET_DETECTED 0x08 -#define I2O_LAN_DSC_OUT_OF_MEMORY 0x09 -#define I2O_LAN_DSC_BUCKET_OVERRUN 0x0A -#define I2O_LAN_DSC_IOP_INTERNAL_ERROR 0x0B -#define I2O_LAN_DSC_CANCELED 0x0C -#define I2O_LAN_DSC_INVALID_TRANSACTION_CONTEXT 0x0D -#define I2O_LAN_DSC_DEST_ADDRESS_DETECTED 0x0E -#define I2O_LAN_DSC_DEST_ADDRESS_OMITTED 0x0F -#define I2O_LAN_DSC_PARTIAL_PACKET_RETURNED 0x10 -#define I2O_LAN_DSC_SUSPENDED 0x11 - -struct i2o_packet_info { - u32 offset:24; - u32 flags:8; - u32 len:24; - u32 status:8; -}; - -struct i2o_bucket_descriptor { - u32 context; /* FIXME: 64bit support */ - struct i2o_packet_info packet_info[1]; -}; - -/* Event Indicator Mask Flags for LAN OSM */ - -#define I2O_LAN_EVT_LINK_DOWN 0x01 -#define I2O_LAN_EVT_LINK_UP 0x02 -#define I2O_LAN_EVT_MEDIA_CHANGE 0x04 - -#include <linux/netdevice.h> -#include <linux/fddidevice.h> - -struct i2o_lan_local { - u8 unit; - struct i2o_device *i2o_dev; - - struct fddi_statistics stats; /* see also struct net_device_stats */ - unsigned short (*type_trans) (struct sk_buff *, struct net_device *); - atomic_t buckets_out; /* nbr of unused buckets on DDM */ - atomic_t tx_out; /* outstanding TXes */ - u8 tx_count; /* packets in one TX message frame */ - u16 tx_max_out; /* DDM's Tx queue len */ - u8 sgl_max; /* max SGLs in one message frame */ - u32 m; /* IOP address of the batch msg frame */ - - struct work_struct i2o_batch_send_task; - int send_active; - struct sk_buff **i2o_fbl; /* Free bucket list (to reuse skbs) */ - int i2o_fbl_tail; - spinlock_t fbl_lock; - - spinlock_t tx_lock; - - u32 max_size_mc_table; /* max number of multicast addresses */ - - /* LAN OSM configurable parameters are here: */ - - u16 max_buckets_out; /* max nbr of buckets to send to DDM */ - u16 bucket_thresh; /* send more when this many used */ - u16 rx_copybreak; - - u8 tx_batch_mode; /* Set when using batch mode sends */ - u32 i2o_event_mask; /* To turn on interesting event flags */ -}; - -#endif /* _I2O_LAN_H */ diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c index ce1a4810821..cb8c264eaff 100644 --- a/drivers/mfd/ucb1x00-ts.c +++ b/drivers/mfd/ucb1x00-ts.c @@ -21,7 +21,6 @@ #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/sched.h> #include <linux/completion.h> #include <linux/delay.h> diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index a3c525b2616..877e7909a0e 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -25,6 +25,15 @@ config IBM_ASM information on the specific driver level and support statement for your IBM server. +config PHANTOM + tristate "Sensable PHANToM" + depends on PCI + help + Say Y here if you want to build a driver for Sensable PHANToM device. + + If you choose to build module, its name will be phantom. If unsure, + say N here. + If unsure, say N. @@ -178,4 +187,13 @@ config THINKPAD_ACPI_BAY If you are not sure, say Y here. +config BLINK + tristate "Keyboard blink driver" + help + Driver that when loaded will blink the keyboard LEDs continuously. + This is useful for debugging and for kernels that cannot necessarily + output something to the screen like kexec kernels to give the user + a visual indication that the kernel is doing something. + + endmenu diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index e3251645913..5b6d46de005 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -7,9 +7,11 @@ obj-$(CONFIG_IBM_ASM) += ibmasm/ obj-$(CONFIG_HDPU_FEATURES) += hdpuftrs/ obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o +obj-$(CONFIG_BLINK) += blink.o obj-$(CONFIG_LKDTM) += lkdtm.o obj-$(CONFIG_TIFM_CORE) += tifm_core.o obj-$(CONFIG_TIFM_7XX1) += tifm_7xx1.o +obj-$(CONFIG_PHANTOM) += phantom.o obj-$(CONFIG_SGI_IOC4) += ioc4.o obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o diff --git a/drivers/misc/blink.c b/drivers/misc/blink.c new file mode 100644 index 00000000000..634431ce118 --- /dev/null +++ b/drivers/misc/blink.c @@ -0,0 +1,27 @@ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/timer.h> +#include <linux/jiffies.h> + +static void do_blink(unsigned long data); + +static DEFINE_TIMER(blink_timer, do_blink, 0 ,0); + +static void do_blink(unsigned long data) +{ + static long count; + if (panic_blink) + panic_blink(count++); + blink_timer.expires = jiffies + msecs_to_jiffies(1); + add_timer(&blink_timer); +} + +static int blink_init(void) +{ + printk(KERN_INFO "Enabling keyboard blinking\n"); + do_blink(0); + return 0; +} + +module_init(blink_init); + diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c new file mode 100644 index 00000000000..35b139b0e5f --- /dev/null +++ b/drivers/misc/phantom.c @@ -0,0 +1,463 @@ +/* + * Copyright (C) 2005-2007 Jiri Slaby <jirislaby@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You need an userspace library to cooperate with this driver. It (and other + * info) may be obtained here: + * http://www.fi.muni.cz/~xslaby/phantom.html + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/pci.h> +#include <linux/fs.h> +#include <linux/poll.h> +#include <linux/interrupt.h> +#include <linux/cdev.h> +#include <linux/phantom.h> + +#include <asm/atomic.h> +#include <asm/io.h> + +#define PHANTOM_VERSION "n0.9.5" + +#define PHANTOM_MAX_MINORS 8 + +#define PHN_IRQCTL 0x4c /* irq control in caddr space */ + +#define PHB_RUNNING 1 + +static struct class *phantom_class; +static int phantom_major; + +struct phantom_device { + unsigned int opened; + void __iomem *caddr; + u32 __iomem *iaddr; + u32 __iomem *oaddr; + unsigned long status; + atomic_t counter; + + wait_queue_head_t wait; + struct cdev cdev; + + struct mutex open_lock; +}; + +static unsigned char phantom_devices[PHANTOM_MAX_MINORS]; + +static int phantom_status(struct phantom_device *dev, unsigned long newstat) +{ + pr_debug("phantom_status %lx %lx\n", dev->status, newstat); + + if (!(dev->status & PHB_RUNNING) && (newstat & PHB_RUNNING)) { + atomic_set(&dev->counter, 0); + iowrite32(PHN_CTL_IRQ, dev->iaddr + PHN_CONTROL); + iowrite32(0x43, dev->caddr + PHN_IRQCTL); + } else if ((dev->status & PHB_RUNNING) && !(newstat & PHB_RUNNING)) + iowrite32(0, dev->caddr + PHN_IRQCTL); + + dev->status = newstat; + + return 0; +} + +/* + * File ops + */ + +static int phantom_ioctl(struct inode *inode, struct file *file, u_int cmd, + u_long arg) +{ + struct phantom_device *dev = file->private_data; + struct phm_regs rs; + struct phm_reg r; + void __user *argp = (void __user *)arg; + unsigned int i; + + if (_IOC_TYPE(cmd) != PH_IOC_MAGIC || + _IOC_NR(cmd) > PH_IOC_MAXNR) + return -ENOTTY; + + switch (cmd) { + case PHN_SET_REG: + if (copy_from_user(&r, argp, sizeof(r))) + return -EFAULT; + + if (r.reg > 7) + return -EINVAL; + + if (r.reg == PHN_CONTROL && (r.value & PHN_CTL_IRQ) && + phantom_status(dev, dev->status | PHB_RUNNING)) + return -ENODEV; + + pr_debug("phantom: writing %x to %u\n", r.value, r.reg); + iowrite32(r.value, dev->iaddr + r.reg); + + if (r.reg == PHN_CONTROL && !(r.value & PHN_CTL_IRQ)) + phantom_status(dev, dev->status & ~PHB_RUNNING); + break; + case PHN_SET_REGS: + if (copy_from_user(&rs, argp, sizeof(rs))) + return -EFAULT; + + pr_debug("phantom: SRS %u regs %x\n", rs.count, rs.mask); + for (i = 0; i < min(rs.count, 8U); i++) + if ((1 << i) & rs.mask) + iowrite32(rs.values[i], dev->oaddr + i); + break; + case PHN_GET_REG: + if (copy_from_user(&r, argp, sizeof(r))) + return -EFAULT; + + if (r.reg > 7) + return -EINVAL; + + r.value = ioread32(dev->iaddr + r.reg); + + if (copy_to_user(argp, &r, sizeof(r))) + return -EFAULT; + break; + case PHN_GET_REGS: + if (copy_from_user(&rs, argp, sizeof(rs))) + return -EFAULT; + + pr_debug("phantom: GRS %u regs %x\n", rs.count, rs.mask); + for (i = 0; i < min(rs.count, 8U); i++) + if ((1 << i) & rs.mask) + rs.values[i] = ioread32(dev->iaddr + i); + + if (copy_to_user(argp, &rs, sizeof(rs))) + return -EFAULT; + break; + default: + return -ENOTTY; + } + + return 0; +} + +static int phantom_open(struct inode *inode, struct file *file) +{ + struct phantom_device *dev = container_of(inode->i_cdev, + struct phantom_device, cdev); + + nonseekable_open(inode, file); + + if (mutex_lock_interruptible(&dev->open_lock)) + return -ERESTARTSYS; + + if (dev->opened) { + mutex_unlock(&dev->open_lock); + return -EINVAL; + } + + file->private_data = dev; + + dev->opened++; + mutex_unlock(&dev->open_lock); + + return 0; +} + +static int phantom_release(struct inode *inode, struct file *file) +{ + struct phantom_device *dev = file->private_data; + + mutex_lock(&dev->open_lock); + + dev->opened = 0; + phantom_status(dev, dev->status & ~PHB_RUNNING); + + mutex_unlock(&dev->open_lock); + + return 0; +} + +static unsigned int phantom_poll(struct file *file, poll_table *wait) +{ + struct phantom_device *dev = file->private_data; + unsigned int mask = 0; + + pr_debug("phantom_poll: %d\n", atomic_read(&dev->counter)); + poll_wait(file, &dev->wait, wait); + if (atomic_read(&dev->counter)) { + mask = POLLIN | POLLRDNORM; + atomic_dec(&dev->counter); + } else if ((dev->status & PHB_RUNNING) == 0) + mask = POLLIN | POLLRDNORM | POLLERR; + pr_debug("phantom_poll end: %x/%d\n", mask, atomic_read(&dev->counter)); + + return mask; +} + +static struct file_operations phantom_file_ops = { + .open = phantom_open, + .release = phantom_release, + .ioctl = phantom_ioctl, + .poll = phantom_poll, +}; + +static irqreturn_t phantom_isr(int irq, void *data) +{ + struct phantom_device *dev = data; + + if (!(ioread32(dev->iaddr + PHN_CONTROL) & PHN_CTL_IRQ)) + return IRQ_NONE; + + iowrite32(0, dev->iaddr); + iowrite32(0xc0, dev->iaddr); + + atomic_inc(&dev->counter); + wake_up_interruptible(&dev->wait); + + return IRQ_HANDLED; +} + +/* + * Init and deinit driver + */ + +static unsigned int __devinit phantom_get_free(void) +{ + unsigned int i; + + for (i = 0; i < PHANTOM_MAX_MINORS; i++) + if (phantom_devices[i] == 0) + break; + + return i; +} + +static int __devinit phantom_probe(struct pci_dev *pdev, + const struct pci_device_id *pci_id) +{ + struct phantom_device *pht; + unsigned int minor; + int retval; + + retval = pci_enable_device(pdev); + if (retval) + goto err; + + minor = phantom_get_free(); + if (minor == PHANTOM_MAX_MINORS) { + dev_err(&pdev->dev, "too many devices found!\n"); + retval = -EIO; + goto err_dis; + } + + phantom_devices[minor] = 1; + + retval = pci_request_regions(pdev, "phantom"); + if (retval) + goto err_null; + + retval = -ENOMEM; + pht = kzalloc(sizeof(*pht), GFP_KERNEL); + if (pht == NULL) { + dev_err(&pdev->dev, "unable to allocate device\n"); + goto err_reg; + } + + pht->caddr = pci_iomap(pdev, 0, 0); + if (pht->caddr == NULL) { + dev_err(&pdev->dev, "can't remap conf space\n"); + goto err_fr; + } + pht->iaddr = pci_iomap(pdev, 2, 0); + if (pht->iaddr == NULL) { + dev_err(&pdev->dev, "can't remap input space\n"); + goto err_unmc; + } + pht->oaddr = pci_iomap(pdev, 3, 0); + if (pht->oaddr == NULL) { + dev_err(&pdev->dev, "can't remap output space\n"); + goto err_unmi; + } + + mutex_init(&pht->open_lock); + init_waitqueue_head(&pht->wait); + cdev_init(&pht->cdev, &phantom_file_ops); + pht->cdev.owner = THIS_MODULE; + + iowrite32(0, pht->caddr + PHN_IRQCTL); + retval = request_irq(pdev->irq, phantom_isr, + IRQF_SHARED | IRQF_DISABLED, "phantom", pht); + if (retval) { + dev_err(&pdev->dev, "can't establish ISR\n"); + goto err_unmo; + } + + retval = cdev_add(&pht->cdev, MKDEV(phantom_major, minor), 1); + if (retval) { + dev_err(&pdev->dev, "chardev registration failed\n"); + goto err_irq; + } + + if (IS_ERR(device_create(phantom_class, &pdev->dev, MKDEV(phantom_major, + minor), "phantom%u", minor))) + dev_err(&pdev->dev, "can't create device\n"); + + pci_set_drvdata(pdev, pht); + + return 0; +err_irq: + free_irq(pdev->irq, pht); +err_unmo: + pci_iounmap(pdev, pht->oaddr); +err_unmi: + pci_iounmap(pdev, pht->iaddr); +err_unmc: + pci_iounmap(pdev, pht->caddr); +err_fr: + kfree(pht); +err_reg: + pci_release_regions(pdev); +err_null: + phantom_devices[minor] = 0; +err_dis: + pci_disable_device(pdev); +err: + return retval; +} + +static void __devexit phantom_remove(struct pci_dev *pdev) +{ + struct phantom_device *pht = pci_get_drvdata(pdev); + unsigned int minor = MINOR(pht->cdev.dev); + + device_destroy(phantom_class, MKDEV(phantom_major, minor)); + + cdev_del(&pht->cdev); + + iowrite32(0, pht->caddr + PHN_IRQCTL); + free_irq(pdev->irq, pht); + + pci_iounmap(pdev, pht->oaddr); + pci_iounmap(pdev, pht->iaddr); + pci_iounmap(pdev, pht->caddr); + + kfree(pht); + + pci_release_regions(pdev); + + phantom_devices[minor] = 0; + + pci_disable_device(pdev); +} + +#ifdef CONFIG_PM +static int phantom_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct phantom_device *dev = pci_get_drvdata(pdev); + + iowrite32(0, dev->caddr + PHN_IRQCTL); + + return 0; +} + +static int phantom_resume(struct pci_dev *pdev) +{ + struct phantom_device *dev = pci_get_drvdata(pdev); + + iowrite32(0, dev->caddr + PHN_IRQCTL); + + return 0; +} +#else +#define phantom_suspend NULL +#define phantom_resume NULL +#endif + +static struct pci_device_id phantom_pci_tbl[] __devinitdata = { + { PCI_DEVICE(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050), + .class = PCI_CLASS_BRIDGE_OTHER << 8, .class_mask = 0xffff00 }, + { 0, } +}; +MODULE_DEVICE_TABLE(pci, phantom_pci_tbl); + +static struct pci_driver phantom_pci_driver = { + .name = "phantom", + .id_table = phantom_pci_tbl, + .probe = phantom_probe, + .remove = __devexit_p(phantom_remove), + .suspend = phantom_suspend, + .resume = phantom_resume +}; + +static ssize_t phantom_show_version(struct class *cls, char *buf) +{ + return sprintf(buf, PHANTOM_VERSION "\n"); +} + +static CLASS_ATTR(version, 0444, phantom_show_version, NULL); + +static int __init phantom_init(void) +{ + int retval; + dev_t dev; + + phantom_class = class_create(THIS_MODULE, "phantom"); + if (IS_ERR(phantom_class)) { + retval = PTR_ERR(phantom_class); + printk(KERN_ERR "phantom: can't register phantom class\n"); + goto err; + } + retval = class_create_file(phantom_class, &class_attr_version); + if (retval) { + printk(KERN_ERR "phantom: can't create sysfs version file\n"); + goto err_class; + } + + retval = alloc_chrdev_region(&dev, 0, PHANTOM_MAX_MINORS, "phantom"); + if (retval) { + printk(KERN_ERR "phantom: can't register character device\n"); + goto err_attr; + } + phantom_major = MAJOR(dev); + + retval = pci_register_driver(&phantom_pci_driver); + if (retval) { + printk(KERN_ERR "phantom: can't register pci driver\n"); + goto err_unchr; + } + + printk(KERN_INFO "Phantom Linux Driver, version " PHANTOM_VERSION ", " + "init OK\n"); + + return 0; +err_unchr: + unregister_chrdev_region(dev, PHANTOM_MAX_MINORS); +err_attr: + class_remove_file(phantom_class, &class_attr_version); +err_class: + class_destroy(phantom_class); +err: + return retval; +} + +static void __exit phantom_exit(void) +{ + pci_unregister_driver(&phantom_pci_driver); + + unregister_chrdev_region(MKDEV(phantom_major, 0), PHANTOM_MAX_MINORS); + + class_remove_file(phantom_class, &class_attr_version); + class_destroy(phantom_class); + + pr_debug("phantom: module successfully removed\n"); +} + +module_init(phantom_init); +module_exit(phantom_exit); + +MODULE_AUTHOR("Jiri Slaby <jirislaby@gmail.com>"); +MODULE_DESCRIPTION("Sensable Phantom driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(PHANTOM_VERSION); diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c index 7efe744ad31..72107dc06d6 100644 --- a/drivers/mtd/maps/physmap_of.c +++ b/drivers/mtd/maps/physmap_of.c @@ -48,7 +48,7 @@ static int parse_flash_partitions(struct device_node *node, const u32 *part; const char *name; - part = get_property(node, "partitions", &plen); + part = of_get_property(node, "partitions", &plen); if (part == NULL) goto err; @@ -59,7 +59,7 @@ static int parse_flash_partitions(struct device_node *node, goto err; } - name = get_property(node, "partition-names", &plen); + name = of_get_property(node, "partition-names", &plen); for (i = 0; i < retval; i++) { (*parts)[i].offset = *part++; @@ -153,7 +153,7 @@ static int __devinit of_physmap_probe(struct of_device *dev, const struct of_dev goto err_out; } - width = get_property(dp, "bank-width", NULL); + width = of_get_property(dp, "bank-width", NULL); if (width == NULL) { dev_err(&dev->dev, "Can't get the flash bank width!\n"); err = -EINVAL; @@ -174,7 +174,7 @@ static int __devinit of_physmap_probe(struct of_device *dev, const struct of_dev simple_map_init(&info->map); - of_probe = get_property(dp, "probe-type", NULL); + of_probe = of_get_property(dp, "probe-type", NULL); if (of_probe == NULL) { probe_type = rom_probe_types; for (; info->mtd == NULL && *probe_type != NULL; probe_type++) diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 524b83b5ebf..51bc7e2f1f2 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -216,7 +216,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) int last_devnum = -1; struct gendisk *gd; - if (!!mutex_trylock(&mtd_table_mutex)) { + if (mutex_trylock(&mtd_table_mutex)) { mutex_unlock(&mtd_table_mutex); BUG(); } @@ -294,7 +294,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old) { - if (!!mutex_trylock(&mtd_table_mutex)) { + if (mutex_trylock(&mtd_table_mutex)) { mutex_unlock(&mtd_table_mutex); BUG(); } diff --git a/drivers/net/bmac.c b/drivers/net/bmac.c index 4612725965d..9b8d7d9dbe8 100644 --- a/drivers/net/bmac.c +++ b/drivers/net/bmac.c @@ -1260,9 +1260,10 @@ static int __devinit bmac_probe(struct macio_dev *mdev, const struct of_device_i printk(KERN_ERR "BMAC: can't use, need 3 addrs and 3 intrs\n"); return -ENODEV; } - prop_addr = get_property(macio_get_of_node(mdev), "mac-address", NULL); + prop_addr = of_get_property(macio_get_of_node(mdev), + "mac-address", NULL); if (prop_addr == NULL) { - prop_addr = get_property(macio_get_of_node(mdev), + prop_addr = of_get_property(macio_get_of_node(mdev), "local-mac-address", NULL); if (prop_addr == NULL) { printk(KERN_ERR "BMAC: Can't get mac-address\n"); diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index c7a5614e66c..a1bd2d861d9 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -2603,14 +2603,13 @@ static int ehea_setup_ports(struct ehea_adapter *adapter) { struct device_node *lhea_dn; struct device_node *eth_dn = NULL; - - u32 *dn_log_port_id; + const u32 *dn_log_port_id; int i = 0; lhea_dn = adapter->ebus_dev->ofdev.node; while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) { - dn_log_port_id = (u32*)get_property(eth_dn, "ibm,hea-port-no", + dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no", NULL); if (!dn_log_port_id) { ehea_error("bad device node: eth_dn name=%s", @@ -2645,12 +2644,12 @@ static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter, { struct device_node *lhea_dn; struct device_node *eth_dn = NULL; - u32 *dn_log_port_id; + const u32 *dn_log_port_id; lhea_dn = adapter->ebus_dev->ofdev.node; while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) { - dn_log_port_id = (u32*)get_property(eth_dn, "ibm,hea-port-no", + dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no", NULL); if (dn_log_port_id) if (*dn_log_port_id == logical_port_id) @@ -2774,7 +2773,7 @@ static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev, const struct of_device_id *id) { struct ehea_adapter *adapter; - u64 *adapter_handle; + const u64 *adapter_handle; int ret; if (!dev || !dev->ofdev.node) { @@ -2791,7 +2790,7 @@ static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev, adapter->ebus_dev = dev; - adapter_handle = (u64*)get_property(dev->ofdev.node, "ibm,hea-handle", + adapter_handle = of_get_property(dev->ofdev.node, "ibm,hea-handle", NULL); if (adapter_handle) adapter->handle = *adapter_handle; diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c index 17b0c3ab620..9d6c8f391b2 100644 --- a/drivers/net/irda/sir_dev.c +++ b/drivers/net/irda/sir_dev.c @@ -14,7 +14,6 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <net/irda/irda.h> diff --git a/drivers/net/irda/sir_dongle.c b/drivers/net/irda/sir_dongle.c index d7e32d9554f..25d5b8a96bd 100644 --- a/drivers/net/irda/sir_dongle.c +++ b/drivers/net/irda/sir_dongle.c @@ -14,7 +14,6 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/kmod.h> #include <linux/mutex.h> diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c index 198bf3bfa70..9043bf4aa49 100644 --- a/drivers/net/irda/smsc-ircc2.c +++ b/drivers/net/irda/smsc-ircc2.c @@ -79,11 +79,17 @@ MODULE_AUTHOR("Daniele Peri <peri@csai.unipa.it>"); MODULE_DESCRIPTION("SMC IrCC SIR/FIR controller driver"); MODULE_LICENSE("GPL"); -static int ircc_dma = 255; +static int smsc_nopnp; +module_param_named(nopnp, smsc_nopnp, bool, 0); +MODULE_PARM_DESC(nopnp, "Do not use PNP to detect controller settings"); + +#define DMA_INVAL 255 +static int ircc_dma = DMA_INVAL; module_param(ircc_dma, int, 0); MODULE_PARM_DESC(ircc_dma, "DMA channel"); -static int ircc_irq = 255; +#define IRQ_INVAL 255 +static int ircc_irq = IRQ_INVAL; module_param(ircc_irq, int, 0); MODULE_PARM_DESC(ircc_irq, "IRQ line"); @@ -360,7 +366,6 @@ static inline void register_bank(int iobase, int bank) iobase + IRCC_MASTER); } -#ifdef CONFIG_PNP /* PNP hotplug support */ static const struct pnp_device_id smsc_ircc_pnp_table[] = { { .id = "SMCf010", .driver_data = 0 }, @@ -368,7 +373,35 @@ static const struct pnp_device_id smsc_ircc_pnp_table[] = { { } }; MODULE_DEVICE_TABLE(pnp, smsc_ircc_pnp_table); -#endif + +static int pnp_driver_registered; + +static int __init smsc_ircc_pnp_probe(struct pnp_dev *dev, + const struct pnp_device_id *dev_id) +{ + unsigned int firbase, sirbase; + u8 dma, irq; + + if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && + pnp_dma_valid(dev, 0) && pnp_irq_valid(dev, 0))) + return -EINVAL; + + sirbase = pnp_port_start(dev, 0); + firbase = pnp_port_start(dev, 1); + dma = pnp_dma(dev, 0); + irq = pnp_irq(dev, 0); + + if (smsc_ircc_open(firbase, sirbase, dma, irq)) + return -ENODEV; + + return 0; +} + +static struct pnp_driver smsc_ircc_pnp_driver = { + .name = "smsc-ircc2", + .id_table = smsc_ircc_pnp_table, + .probe = smsc_ircc_pnp_probe, +}; /******************************************************************************* @@ -379,6 +412,35 @@ MODULE_DEVICE_TABLE(pnp, smsc_ircc_pnp_table); * *******************************************************************************/ +static int __init smsc_ircc_legacy_probe(void) +{ + int ret = 0; + + if (ircc_fir > 0 && ircc_sir > 0) { + IRDA_MESSAGE(" Overriding FIR address 0x%04x\n", ircc_fir); + IRDA_MESSAGE(" Overriding SIR address 0x%04x\n", ircc_sir); + + if (smsc_ircc_open(ircc_fir, ircc_sir, ircc_dma, ircc_irq)) + ret = -ENODEV; + } else { + ret = -ENODEV; + + /* try user provided configuration register base address */ + if (ircc_cfg > 0) { + IRDA_MESSAGE(" Overriding configuration address " + "0x%04x\n", ircc_cfg); + if (!smsc_superio_fdc(ircc_cfg)) + ret = 0; + if (!smsc_superio_lpc(ircc_cfg)) + ret = 0; + } + + if (smsc_ircc_look_for_chips() > 0) + ret = 0; + } + return ret; +} + /* * Function smsc_ircc_init () * @@ -406,31 +468,20 @@ static int __init smsc_ircc_init(void) dev_count = 0; - if (ircc_fir > 0 && ircc_sir > 0) { - IRDA_MESSAGE(" Overriding FIR address 0x%04x\n", ircc_fir); - IRDA_MESSAGE(" Overriding SIR address 0x%04x\n", ircc_sir); - - if (smsc_ircc_open(ircc_fir, ircc_sir, ircc_dma, ircc_irq)) - ret = -ENODEV; + if (smsc_nopnp || !pnp_platform_devices || + ircc_cfg || ircc_fir || ircc_sir || + ircc_dma != DMA_INVAL || ircc_irq != IRQ_INVAL) { + ret = smsc_ircc_legacy_probe(); } else { - ret = -ENODEV; - - /* try user provided configuration register base address */ - if (ircc_cfg > 0) { - IRDA_MESSAGE(" Overriding configuration address " - "0x%04x\n", ircc_cfg); - if (!smsc_superio_fdc(ircc_cfg)) - ret = 0; - if (!smsc_superio_lpc(ircc_cfg)) - ret = 0; - } - - if (smsc_ircc_look_for_chips() > 0) - ret = 0; + if (pnp_register_driver(&smsc_ircc_pnp_driver) == 0) + pnp_driver_registered = 1; } - if (ret) + if (ret) { + if (pnp_driver_registered) + pnp_unregister_driver(&smsc_ircc_pnp_driver); platform_driver_unregister(&smsc_ircc_driver); + } return ret; } @@ -646,7 +697,7 @@ static void smsc_ircc_setup_io(struct smsc_ircc_cb *self, self->io.fifo_size = SMSC_IRCC2_FIFO_SIZE; self->io.speed = SMSC_IRCC2_C_IRDA_FALLBACK_SPEED; - if (irq < 255) { + if (irq != IRQ_INVAL) { if (irq != chip_irq) IRDA_MESSAGE("%s, Overriding IRQ - chip says %d, using %d\n", driver_name, chip_irq, irq); @@ -654,7 +705,7 @@ static void smsc_ircc_setup_io(struct smsc_ircc_cb *self, } else self->io.irq = chip_irq; - if (dma < 255) { + if (dma != DMA_INVAL) { if (dma != chip_dma) IRDA_MESSAGE("%s, Overriding DMA - chip says %d, using %d\n", driver_name, chip_dma, dma); @@ -1840,6 +1891,9 @@ static void __exit smsc_ircc_cleanup(void) smsc_ircc_close(dev_self[i]); } + if (pnp_driver_registered) + pnp_unregister_driver(&smsc_ircc_pnp_driver); + platform_driver_unregister(&smsc_ircc_driver); } @@ -2836,9 +2890,9 @@ static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg, tmpconf.fir_io = ircc_fir; if (ircc_sir != 0) tmpconf.sir_io = ircc_sir; - if (ircc_dma != 0xff) + if (ircc_dma != DMA_INVAL) tmpconf.fir_dma = ircc_dma; - if (ircc_irq != 0xff) + if (ircc_irq != IRQ_INVAL) tmpconf.fir_irq = ircc_irq; IRDA_MESSAGE("Detected unconfigured %s SMSC IrDA chip, pre-configuring device.\n", conf->name); diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index c4be973867a..bf78ef1120a 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -44,7 +44,6 @@ MODULE_LICENSE("GPL"); #include <linux/time.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/byteorder.h> diff --git a/drivers/net/mace.c b/drivers/net/mace.c index b3bd6239495..52b9332810c 100644 --- a/drivers/net/mace.c +++ b/drivers/net/mace.c @@ -110,9 +110,9 @@ static int __devinit mace_probe(struct macio_dev *mdev, const struct of_device_i return -ENODEV; } - addr = get_property(mace, "mac-address", NULL); + addr = of_get_property(mace, "mac-address", NULL); if (addr == NULL) { - addr = get_property(mace, "local-mac-address", NULL); + addr = of_get_property(mace, "local-mac-address", NULL); if (addr == NULL) { printk(KERN_ERR "Can't get mac-address for MACE %s\n", mace->full_name); diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c index 6a32338623f..3439f8c649f 100644 --- a/drivers/net/ns83820.c +++ b/drivers/net/ns83820.c @@ -104,7 +104,6 @@ #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/delay.h> -#include <linux/smp_lock.h> #include <linux/workqueue.h> #include <linux/init.h> #include <linux/ip.h> /* for iph */ diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c index 76fe9dd8e84..07eb9b24a97 100644 --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -80,7 +80,7 @@ static int pasemi_get_mac_addr(struct pasemi_mac *mac) return -ENOENT; } - maddr = get_property(dn, "mac-address", NULL); + maddr = of_get_property(dn, "mac-address", NULL); if (maddr == NULL) { dev_warn(&pdev->dev, "no mac address in device tree, not configuring\n"); diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 6d596ca50cf..541168713f1 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -40,7 +40,6 @@ #include <linux/ip.h> #include <linux/tcp.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/rwsem.h> #include <linux/stddef.h> #include <linux/device.h> diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index 230da14b1b6..c15e97253ed 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -1830,7 +1830,7 @@ try_host_fw: if (!dn) goto out_err; - fw_prop = get_property(dn, "firmware", &fw_size); + fw_prop = of_get_property(dn, "firmware", &fw_size); if (!fw_prop) goto out_err; @@ -2236,7 +2236,7 @@ spider_net_setup_netdev(struct spider_net_card *card) if (!dn) return -EIO; - mac = get_property(dn, "local-mac-address", NULL); + mac = of_get_property(dn, "local-mac-address", NULL); if (!mac) return -EIO; memcpy(addr.sa_data, mac, ETH_ALEN); diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 5da73212ac9..43280385503 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -2903,7 +2903,7 @@ static int __devinit gem_get_device_address(struct gem *gp) struct net_device *dev = gp->dev; const unsigned char *addr; - addr = get_property(gp->of_node, "local-mac-address", NULL); + addr = of_get_property(gp->of_node, "local-mac-address", NULL); if (addr == NULL) { #ifdef CONFIG_SPARC addr = idprom->id_ethaddr; diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c index 56a110ca5e6..61843fd5752 100644 --- a/drivers/net/sungem_phy.c +++ b/drivers/net/sungem_phy.c @@ -451,7 +451,7 @@ static int bcm5421_init(struct mii_phy* phy) if (phy->platform_data) { struct device_node *np = of_get_parent(phy->platform_data); int can_low_power = 1; - if (np == NULL || get_property(np, "no-autolowpower", NULL)) + if (np == NULL || of_get_property(np, "no-autolowpower", NULL)) can_low_power = 0; if (can_low_power) { /* Enable automatic low-power */ diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c index 0bfc2c9c1c0..1aabc91f645 100644 --- a/drivers/net/tsi108_eth.c +++ b/drivers/net/tsi108_eth.c @@ -82,6 +82,7 @@ struct tsi108_prv_data { unsigned int phy; /* Index of PHY for this interface */ unsigned int irq_num; unsigned int id; + unsigned int phy_type; struct timer_list timer;/* Timer that triggers the check phy function */ unsigned int rxtail; /* Next entry in rxring to read */ @@ -1256,11 +1257,11 @@ static void tsi108_init_phy(struct net_device *dev) if (i == 0) printk(KERN_ERR "%s function time out \n", __FUNCTION__); -#if (TSI108_PHY_TYPE == PHY_BCM54XX) /* Broadcom BCM54xx PHY */ - tsi108_write_mii(data, 0x09, 0x0300); - tsi108_write_mii(data, 0x10, 0x1020); - tsi108_write_mii(data, 0x1c, 0x8c00); -#endif + if (data->phy_type == TSI108_PHY_BCM54XX) { + tsi108_write_mii(data, 0x09, 0x0300); + tsi108_write_mii(data, 0x10, 0x1020); + tsi108_write_mii(data, 0x1c, 0x8c00); + } tsi108_write_mii(data, MII_BMCR, @@ -1587,6 +1588,7 @@ tsi108_init_one(struct platform_device *pdev) data->mii_if.supports_gmii = mii_check_gmii_support(&data->mii_if); data->phy = einfo->phy; + data->phy_type = einfo->phy_type; data->irq_num = einfo->irq_num; data->id = pdev->id; dev->open = tsi108_open; diff --git a/drivers/net/tsi108_eth.h b/drivers/net/tsi108_eth.h index 77a769df228..5a77ae6c5f3 100644 --- a/drivers/net/tsi108_eth.h +++ b/drivers/net/tsi108_eth.h @@ -43,15 +43,6 @@ in_be32((data->phyregs + (offset))) /* - * PHY Configuration Options - * - * NOTE: Enable set of definitions corresponding to your board type - */ -#define PHY_MV88E 1 /* Marvel 88Exxxx PHY */ -#define PHY_BCM54XX 2 /* Broardcom BCM54xx PHY */ -#define TSI108_PHY_TYPE PHY_MV88E - -/* * TSI108 GIGE port registers */ diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 16b9acdabbe..d7aff818937 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -3787,7 +3787,7 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma ugeth_vdbg("%s: IN", __FUNCTION__); - prop = get_property(np, "device-id", NULL); + prop = of_get_property(np, "device-id", NULL); ucc_num = *prop - 1; if ((ucc_num < 0) || (ucc_num > 7)) return -ENODEV; @@ -3795,9 +3795,9 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma ug_info = &ugeth_info[ucc_num]; ug_info->uf_info.ucc_num = ucc_num; - prop = get_property(np, "rx-clock", NULL); + prop = of_get_property(np, "rx-clock", NULL); ug_info->uf_info.rx_clock = *prop; - prop = get_property(np, "tx-clock", NULL); + prop = of_get_property(np, "tx-clock", NULL); ug_info->uf_info.tx_clock = *prop; err = of_address_to_resource(np, 0, &res); if (err) @@ -3806,23 +3806,23 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma ug_info->uf_info.regs = res.start; ug_info->uf_info.irq = irq_of_parse_and_map(np, 0); - ph = get_property(np, "phy-handle", NULL); + ph = of_get_property(np, "phy-handle", NULL); phy = of_find_node_by_phandle(*ph); if (phy == NULL) return -ENODEV; /* set the PHY address */ - prop = get_property(phy, "reg", NULL); + prop = of_get_property(phy, "reg", NULL); if (prop == NULL) return -1; ug_info->phy_address = *prop; /* get the phy interface type, or default to MII */ - prop = get_property(np, "interface-type", NULL); + prop = of_get_property(np, "interface-type", NULL); if (!prop) { /* handle interface property present in old trees */ - prop = get_property(phy, "interface", NULL); + prop = of_get_property(phy, "interface", NULL); if (prop != NULL) phy_interface = enet_to_phy_interface[*prop]; else @@ -3832,10 +3832,10 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma } /* get speed, or derive from interface */ - prop = get_property(np, "max-speed", NULL); + prop = of_get_property(np, "max-speed", NULL); if (!prop) { /* handle interface property present in old trees */ - prop = get_property(phy, "interface", NULL); + prop = of_get_property(phy, "interface", NULL); if (prop != NULL) max_speed = enet_to_speed[*prop]; } else { diff --git a/drivers/net/ucc_geth_mii.c b/drivers/net/ucc_geth_mii.c index 73b5a538e8f..27a1ef3b7b0 100644 --- a/drivers/net/ucc_geth_mii.c +++ b/drivers/net/ucc_geth_mii.c @@ -172,7 +172,7 @@ static int uec_mdio_probe(struct of_device *ofdev, const struct of_device_id *ma while ((child = of_get_next_child(np, child)) != NULL) { int irq = irq_of_parse_and_map(child, 0); if (irq != NO_IRQ) { - const u32 *id = get_property(child, "reg", NULL); + const u32 *id = of_get_property(child, "reg", NULL); new_bus->irq[*id] = irq; } } @@ -203,7 +203,7 @@ static int uec_mdio_probe(struct of_device *ofdev, const struct of_device_id *ma if ((res.start >= tempres.start) && (res.end <= tempres.end)) { /* set this UCC to be the MII master */ - const u32 *id = get_property(tempnp, "device-id", NULL); + const u32 *id = of_get_property(tempnp, "device-id", NULL); if (id == NULL) goto bus_register_fail; diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c index 23464735fa8..9ef49ce148b 100644 --- a/drivers/net/wan/cosa.c +++ b/drivers/net/wan/cosa.c @@ -90,7 +90,6 @@ #include <linux/ioport.h> #include <linux/netdevice.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/device.h> #undef COSA_SLOW_IO /* for testing purposes only */ diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index f21bbafcb72..2d3a180dada 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -25,7 +25,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/proc_fs.h> -#include <linux/smp_lock.h> #include <linux/sched.h> #include <linux/ptrace.h> diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c index cb08bc5db2b..cdea7f71b9e 100644 --- a/drivers/net/wireless/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/hostap/hostap_ioctl.c @@ -1,7 +1,6 @@ /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */ #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/ethtool.h> #include <net/ieee80211_crypt.h> diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index 21c4c299b3d..5b86ee5c1ee 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -38,7 +38,6 @@ #include <linux/pci.h> #include <linux/ioport.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <asm/byteorder.h> #include <asm/pdc.h> diff --git a/drivers/parport/parport_cs.c b/drivers/parport/parport_cs.c index 316c06f4423..8b7d84eca05 100644 --- a/drivers/parport/parport_cs.c +++ b/drivers/parport/parport_cs.c @@ -201,7 +201,7 @@ static int parport_config(struct pcmcia_device *link) p = parport_pc_probe_port(link->io.BasePort1, link->io.BasePort2, link->irq.AssignedIRQ, PARPORT_DMA_NONE, - NULL); + &link->dev); if (p == NULL) { printk(KERN_NOTICE "parport_cs: parport_pc_probe_port() at " "0x%3x, irq %u failed\n", link->io.BasePort1, diff --git a/drivers/parport/parport_mfc3.c b/drivers/parport/parport_mfc3.c index e5b0a544de4..77726fc4976 100644 --- a/drivers/parport/parport_mfc3.c +++ b/drivers/parport/parport_mfc3.c @@ -356,6 +356,7 @@ static int __init parport_mfc3_init(void) if (request_irq(IRQ_AMIGA_PORTS, mfc3_interrupt, IRQF_SHARED, p->name, &pp_mfc3_ops)) goto out_irq; } + p->dev = &z->dev; this_port[pias++] = p; printk(KERN_INFO "%s: Multiface III port using irq\n", p->name); diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 3de2623afa1..02c0d52c9f7 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -53,6 +53,7 @@ #include <linux/slab.h> #include <linux/pci.h> #include <linux/pnp.h> +#include <linux/platform_device.h> #include <linux/sysctl.h> #include <asm/io.h> @@ -620,6 +621,7 @@ static size_t parport_pc_fifo_write_block_dma (struct parport *port, unsigned long dmaflag; size_t left = length; const struct parport_pc_private *priv = port->physport->private_data; + struct device *dev = port->physport->dev; dma_addr_t dma_addr, dma_handle; size_t maxlen = 0x10000; /* max 64k per DMA transfer */ unsigned long start = (unsigned long) buf; @@ -631,8 +633,8 @@ dump_parport_state ("enter fifo_write_block_dma", port); if ((start ^ end) & ~0xffffUL) maxlen = 0x10000 - (start & 0xffff); - dma_addr = dma_handle = pci_map_single(priv->dev, (void *)buf, length, - PCI_DMA_TODEVICE); + dma_addr = dma_handle = dma_map_single(dev, (void *)buf, length, + DMA_TO_DEVICE); } else { /* above 16 MB we use a bounce buffer as ISA-DMA is not possible */ maxlen = PAGE_SIZE; /* sizeof(priv->dma_buf) */ @@ -728,9 +730,9 @@ dump_parport_state ("enter fifo_write_block_dma", port); /* Turn off DMA mode */ frob_econtrol (port, 1<<3, 0); - + if (dma_handle) - pci_unmap_single(priv->dev, dma_handle, length, PCI_DMA_TODEVICE); + dma_unmap_single(dev, dma_handle, length, DMA_TO_DEVICE); dump_parport_state ("leave fifo_write_block_dma", port); return length - left; @@ -2146,7 +2148,7 @@ static DEFINE_SPINLOCK(ports_lock); struct parport *parport_pc_probe_port (unsigned long int base, unsigned long int base_hi, int irq, int dma, - struct pci_dev *dev) + struct device *dev) { struct parport_pc_private *priv; struct parport_operations *ops; @@ -2155,6 +2157,17 @@ struct parport *parport_pc_probe_port (unsigned long int base, struct resource *base_res; struct resource *ECR_res = NULL; struct resource *EPP_res = NULL; + struct platform_device *pdev = NULL; + + if (!dev) { + /* We need a physical device to attach to, but none was + * provided. Create our own. */ + pdev = platform_device_register_simple("parport_pc", + base, NULL, 0); + if (IS_ERR(pdev)) + return NULL; + dev = &pdev->dev; + } ops = kmalloc(sizeof (struct parport_operations), GFP_KERNEL); if (!ops) @@ -2180,9 +2193,10 @@ struct parport *parport_pc_probe_port (unsigned long int base, priv->fifo_depth = 0; priv->dma_buf = NULL; priv->dma_handle = 0; - priv->dev = dev; INIT_LIST_HEAD(&priv->list); priv->port = p; + + p->dev = dev; p->base_hi = base_hi; p->modes = PARPORT_MODE_PCSPP | PARPORT_MODE_SAFEININT; p->private_data = priv; @@ -2305,9 +2319,10 @@ struct parport *parport_pc_probe_port (unsigned long int base, p->dma = PARPORT_DMA_NONE; } else { priv->dma_buf = - pci_alloc_consistent(priv->dev, + dma_alloc_coherent(dev, PAGE_SIZE, - &priv->dma_handle); + &priv->dma_handle, + GFP_KERNEL); if (! priv->dma_buf) { printk (KERN_WARNING "%s: " "cannot get buffer for DMA, " @@ -2356,6 +2371,8 @@ out3: out2: kfree (ops); out1: + if (pdev) + platform_device_unregister(pdev); return NULL; } @@ -2383,7 +2400,7 @@ void parport_pc_unregister_port (struct parport *p) release_region(p->base_hi, 3); #if defined(CONFIG_PARPORT_PC_FIFO) && defined(HAS_DMA) if (priv->dma_buf) - pci_free_consistent(priv->dev, PAGE_SIZE, + dma_free_coherent(p->physport->dev, PAGE_SIZE, priv->dma_buf, priv->dma_handle); #endif @@ -2489,7 +2506,7 @@ static int __devinit sio_ite_8872_probe (struct pci_dev *pdev, int autoirq, */ release_resource(base_res); if (parport_pc_probe_port (ite8872_lpt, ite8872_lpthi, - irq, PARPORT_DMA_NONE, NULL)) { + irq, PARPORT_DMA_NONE, &pdev->dev)) { printk (KERN_INFO "parport_pc: ITE 8872 parallel port: io=0x%X", ite8872_lpt); @@ -2672,7 +2689,7 @@ static int __devinit sio_via_probe (struct pci_dev *pdev, int autoirq, } /* finally, do the probe with values obtained */ - if (parport_pc_probe_port (port1, port2, irq, dma, NULL)) { + if (parport_pc_probe_port (port1, port2, irq, dma, &pdev->dev)) { printk (KERN_INFO "parport_pc: VIA parallel port: io=0x%X", port1); if (irq != PARPORT_IRQ_NONE) @@ -2970,7 +2987,7 @@ static int parport_pc_pci_probe (struct pci_dev *dev, parport_pc_pci_tbl[i + last_sio].device, io_lo, io_hi); data->ports[count] = parport_pc_probe_port (io_lo, io_hi, PARPORT_IRQ_NONE, - PARPORT_DMA_NONE, dev); + PARPORT_DMA_NONE, &dev->dev); if (data->ports[count]) count++; } @@ -3077,8 +3094,8 @@ static int parport_pc_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id } else dma = PARPORT_DMA_NONE; - printk(KERN_INFO "parport: PnPBIOS parport detected.\n"); - if (!(pdata = parport_pc_probe_port (io_lo, io_hi, irq, dma, NULL))) + dev_info(&dev->dev, "reported by %s\n", dev->protocol->name); + if (!(pdata = parport_pc_probe_port (io_lo, io_hi, irq, dma, &dev->dev))) return -ENODEV; pnp_set_drvdata(dev,pdata); @@ -3103,6 +3120,21 @@ static struct pnp_driver parport_pc_pnp_driver = { }; +static int __devinit parport_pc_platform_probe(struct platform_device *pdev) +{ + /* Always succeed, the actual probing is done in + * parport_pc_probe_port(). */ + return 0; +} + +static struct platform_driver parport_pc_platform_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "parport_pc", + }, + .probe = parport_pc_platform_probe, +}; + /* This is called by parport_pc_find_nonpci_ports (in asm/parport.h) */ static int __devinit __attribute__((unused)) parport_pc_find_isa_ports (int autoirq, int autodma) @@ -3378,9 +3410,15 @@ __setup("parport_init_mode=",parport_init_mode_setup); static int __init parport_pc_init(void) { + int err; + if (parse_parport_params()) return -EINVAL; + err = platform_driver_register(&parport_pc_platform_driver); + if (err) + return err; + if (io[0]) { int i; /* Only probe the ports we were given. */ @@ -3405,6 +3443,7 @@ static void __exit parport_pc_exit(void) pci_unregister_driver (&parport_pc_pci_driver); if (pnp_registered_parport) pnp_unregister_driver (&parport_pc_pnp_driver); + platform_driver_unregister(&parport_pc_platform_driver); spin_lock(&ports_lock); while (!list_empty(&ports_list)) { @@ -3413,6 +3452,9 @@ static void __exit parport_pc_exit(void) priv = list_entry(ports_list.next, struct parport_pc_private, list); port = priv->port; + if (port->dev && port->dev->bus == &platform_bus_type) + platform_device_unregister( + to_platform_device(port->dev)); spin_unlock(&ports_lock); parport_pc_unregister_port(port); spin_lock(&ports_lock); diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c index 78c0a269a2b..90ea3b8b99b 100644 --- a/drivers/parport/parport_serial.c +++ b/drivers/parport/parport_serial.c @@ -305,7 +305,7 @@ static int __devinit parport_register (struct pci_dev *dev, dev_dbg(&dev->dev, "PCI parallel port detected: I/O at " "%#lx(%#lx)\n", io_lo, io_hi); port = parport_pc_probe_port (io_lo, io_hi, PARPORT_IRQ_NONE, - PARPORT_DMA_NONE, dev); + PARPORT_DMA_NONE, &dev->dev); if (port) { priv->port[priv->num_par++] = port; success = 1; @@ -392,6 +392,7 @@ static int parport_serial_pci_suspend(struct pci_dev *dev, pm_message_t state) static int parport_serial_pci_resume(struct pci_dev *dev) { struct parport_serial_private *priv = pci_get_drvdata(dev); + int err; pci_set_power_state(dev, PCI_D0); pci_restore_state(dev); @@ -399,7 +400,12 @@ static int parport_serial_pci_resume(struct pci_dev *dev) /* * The device may have been disabled. Re-enable it. */ - pci_enable_device(dev); + err = pci_enable_device(dev); + if (err) { + printk(KERN_ERR "parport_serial: %s: error enabling " + "device for resume (%d)\n", pci_name(dev), err); + return err; + } if (priv->serial) pciserial_resume_ports(priv->serial); diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c index 400bb90084c..d27019c2f86 100644 --- a/drivers/parport/parport_sunbpp.c +++ b/drivers/parport/parport_sunbpp.c @@ -322,6 +322,7 @@ static int __devinit init_one_port(struct sbus_dev *sdev) goto out_free_ops; p->size = size; + p->dev = &sdev->ofdev.dev; if ((err = request_irq(p->irq, parport_sunbpp_interrupt, IRQF_SHARED, p->name, p)) != 0) { diff --git a/drivers/parport/share.c b/drivers/parport/share.c index fd9129e424f..cd66442acfe 100644 --- a/drivers/parport/share.c +++ b/drivers/parport/share.c @@ -365,6 +365,11 @@ void parport_announce_port (struct parport *port) parport_daisy_init(port); #endif + if (!port->dev) + printk(KERN_WARNING "%s: fix this legacy " + "no-device port driver!\n", + port->name); + parport_proc_register(port); mutex_lock(®istration_lock); spin_lock_irq(&parportlist_lock); diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c index 40c79b03c7e..fa5c0197d57 100644 --- a/drivers/pci/hotplug/acpiphp_core.c +++ b/drivers/pci/hotplug/acpiphp_core.c @@ -40,7 +40,6 @@ #include <linux/pci_hotplug.h> #include <linux/slab.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include "acpiphp.h" #define MY_NAME "acpiphp" diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index fca978fb158..9ef4e989afc 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -46,7 +46,6 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/pci_hotplug.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> #include "../pci.h" diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c index 59392946c2b..0316eeaaeb2 100644 --- a/drivers/pci/hotplug/ibmphp_core.c +++ b/drivers/pci/hotplug/ibmphp_core.c @@ -34,7 +34,6 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/wait.h> -#include <linux/smp_lock.h> #include "../pci.h" #include "../../../arch/i386/pci/pci.h" /* for struct irq_routing_table */ #include "ibmphp.h" diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c index f55ac3885cb..46abaa8c41f 100644 --- a/drivers/pci/hotplug/ibmphp_hpc.c +++ b/drivers/pci/hotplug/ibmphp_hpc.c @@ -32,7 +32,6 @@ #include <linux/delay.h> #include <linux/module.h> #include <linux/pci.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/mutex.h> diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c index 63f3bd1eecc..bd433ef6bfc 100644 --- a/drivers/pci/hotplug/pci_hotplug_core.c +++ b/drivers/pci/hotplug/pci_hotplug_core.c @@ -34,7 +34,6 @@ #include <linux/sysfs.h> #include <linux/pagemap.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/mount.h> #include <linux/namei.h> diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c index 847936fe327..458c08ef265 100644 --- a/drivers/pci/hotplug/rpaphp_core.c +++ b/drivers/pci/hotplug/rpaphp_core.c @@ -29,7 +29,6 @@ #include <linux/pci_hotplug.h> #include <linux/slab.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <asm/eeh.h> /* for eeh_add_device() */ #include <asm/rtas.h> /* rtas_call */ @@ -170,10 +169,10 @@ static int get_children_props(struct device_node *dn, const int **drc_indexes, { const int *indexes, *names, *types, *domains; - indexes = get_property(dn, "ibm,drc-indexes", NULL); - names = get_property(dn, "ibm,drc-names", NULL); - types = get_property(dn, "ibm,drc-types", NULL); - domains = get_property(dn, "ibm,drc-power-domains", NULL); + indexes = of_get_property(dn, "ibm,drc-indexes", NULL); + names = of_get_property(dn, "ibm,drc-names", NULL); + types = of_get_property(dn, "ibm,drc-types", NULL); + domains = of_get_property(dn, "ibm,drc-power-domains", NULL); if (!indexes || !names || !types || !domains) { /* Slot does not have dynamically-removable children */ @@ -206,7 +205,7 @@ int rpaphp_get_drc_props(struct device_node *dn, int *drc_index, char *name_tmp, *type_tmp; int i, rc; - my_index = get_property(dn, "ibm,my-drc-index", NULL); + my_index = of_get_property(dn, "ibm,my-drc-index", NULL); if (!my_index) { /* Node isn't DLPAR/hotplug capable */ return -EINVAL; diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index 2c94d44279a..d2fc35598cd 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c @@ -30,7 +30,6 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> -#include <linux/smp_lock.h> #include <linux/pci.h> #include <linux/workqueue.h> #include "../pci.h" diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 9e1321d0d5e..e6740d1a082 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -12,7 +12,6 @@ #include <linux/interrupt.h> #include <linux/init.h> #include <linux/ioport.h> -#include <linux/smp_lock.h> #include <linux/pci.h> #include <linux/proc_fs.h> #include <linux/msi.h> diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index ed87aa59f0b..0425a7b7350 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -11,7 +11,6 @@ #include <linux/module.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/byteorder.h> diff --git a/drivers/pcmcia/pxa2xx_mainstone.c b/drivers/pcmcia/pxa2xx_mainstone.c index fda06941e73..383107ba4bd 100644 --- a/drivers/pcmcia/pxa2xx_mainstone.c +++ b/drivers/pcmcia/pxa2xx_mainstone.c @@ -175,6 +175,7 @@ static int __init mst_pcmcia_init(void) if (!mst_pcmcia_device) return -ENOMEM; + mst_pcmcia_device->dev.uevent_suppress = 0; mst_pcmcia_device->dev.platform_data = &mst_pcmcia_ops; ret = platform_device_add(mst_pcmcia_device); diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c index b7b9e149c5b..a2daa3f531b 100644 --- a/drivers/pcmcia/pxa2xx_sharpsl.c +++ b/drivers/pcmcia/pxa2xx_sharpsl.c @@ -261,6 +261,7 @@ static int __init sharpsl_pcmcia_init(void) if (!sharpsl_pcmcia_device) return -ENOMEM; + sharpsl_pcmcia_device->dev.uevent_suppress = 0; sharpsl_pcmcia_device->dev.platform_data = &sharpsl_pcmcia_ops; sharpsl_pcmcia_device->dev.parent = platform_scoop_config->devs[0].dev; diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index aec83ec5ea2..3e20b1cc777 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -14,6 +14,7 @@ #include <linux/string.h> #include <linux/slab.h> #include <linux/errno.h> +#include <linux/dma-mapping.h> #include "base.h" @@ -22,6 +23,14 @@ static LIST_HEAD(pnp_protocols); LIST_HEAD(pnp_global); DEFINE_SPINLOCK(pnp_lock); +/* + * ACPI or PNPBIOS should tell us about all platform devices, so we can + * skip some blind probes. ISAPNP typically enumerates only plug-in ISA + * devices, not built-in things like COM ports. + */ +int pnp_platform_devices; +EXPORT_SYMBOL(pnp_platform_devices); + void *pnp_alloc(long size) { void *result; @@ -114,6 +123,8 @@ int __pnp_add_device(struct pnp_dev *dev) int ret; pnp_fixup_device(dev); dev->dev.bus = &pnp_bus_type; + dev->dev.dma_mask = &dev->dma_mask; + dev->dma_mask = dev->dev.coherent_dma_mask = DMA_24BIT_MASK; dev->dev.release = &pnp_release_device; dev->status = PNP_READY; spin_lock(&pnp_lock); diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index 62eda5d5902..a00548799e9 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -3,7 +3,7 @@ * * Copyright (c) 2004 Matthieu Castet <castet.matthieu@free.fr> * Copyright (c) 2004 Li Shaohua <shaohua.li@intel.com> - * + * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any @@ -18,7 +18,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - + #include <linux/acpi.h> #include <linux/pnp.h> #include <acpi/acpi_bus.h> @@ -82,7 +82,7 @@ static void __init pnpidacpi_to_pnpid(char *id, char *str) static int pnpacpi_get_resources(struct pnp_dev * dev, struct pnp_resource_table * res) { acpi_status status; - status = pnpacpi_parse_allocated_resource((acpi_handle)dev->data, + status = pnpacpi_parse_allocated_resource((acpi_handle)dev->data, &dev->res); return ACPI_FAILURE(status) ? -ENODEV : 0; } @@ -112,9 +112,9 @@ static int pnpacpi_set_resources(struct pnp_dev * dev, struct pnp_resource_table static int pnpacpi_disable_resources(struct pnp_dev *dev) { acpi_status status; - + /* acpi_unregister_gsi(pnp_irq(dev, 0)); */ - status = acpi_evaluate_object((acpi_handle)dev->data, + status = acpi_evaluate_object((acpi_handle)dev->data, "_DIS", NULL, NULL); return ACPI_FAILURE(status) ? -ENODEV : 0; } @@ -167,7 +167,7 @@ static int __init pnpacpi_add_device(struct acpi_device *device) strncpy(dev->name, acpi_device_bid(device), sizeof(dev->name)); dev->number = num; - + /* set the initial values for the PnP device */ dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); if (!dev_id) @@ -185,14 +185,14 @@ static int __init pnpacpi_add_device(struct acpi_device *device) } if(dev->capabilities & PNP_CONFIGURABLE) { - status = pnpacpi_parse_resource_option_data(device->handle, + status = pnpacpi_parse_resource_option_data(device->handle, dev); if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) { pnp_err("PnPACPI: METHOD_NAME__PRS failure for %s", dev_id->id); goto err1; } } - + /* parse compatible ids */ if (device->flags.compatible_ids) { struct acpi_compatible_id_list *cid_list = device->pnp.cid_list; @@ -236,6 +236,42 @@ static acpi_status __init pnpacpi_add_device_handler(acpi_handle handle, return AE_OK; } +static int __init acpi_pnp_match(struct device *dev, void *_pnp) +{ + struct acpi_device *acpi = to_acpi_device(dev); + struct pnp_dev *pnp = _pnp; + + /* true means it matched */ + return acpi->flags.hardware_id + && !acpi_get_physical_device(acpi->handle) + && compare_pnp_id(pnp->id, acpi->pnp.hardware_id); +} + +static int __init acpi_pnp_find_device(struct device *dev, acpi_handle *handle) +{ + struct device *adev; + struct acpi_device *acpi; + + adev = bus_find_device(&acpi_bus_type, NULL, + to_pnp_dev(dev), + acpi_pnp_match); + if (!adev) + return -ENODEV; + + acpi = to_acpi_device(adev); + *handle = acpi->handle; + put_device(adev); + return 0; +} + +/* complete initialization of a PNPACPI device includes having + * pnpdev->dev.archdata.acpi_handle point to its ACPI sibling. + */ +static struct acpi_bus_type __initdata acpi_pnp_bus = { + .bus = &pnp_bus_type, + .find_device = acpi_pnp_find_device, +}; + int pnpacpi_disabled __initdata; static int __init pnpacpi_init(void) { @@ -245,8 +281,11 @@ static int __init pnpacpi_init(void) } pnp_info("PnP ACPI init"); pnp_register_protocol(&pnpacpi_protocol); + register_acpi_bus_type(&acpi_pnp_bus); acpi_get_devices(NULL, pnpacpi_add_device_handler, NULL, NULL); pnp_info("PnP ACPI: found %d devices", num); + unregister_acpi_bus_type(&acpi_pnp_bus); + pnp_platform_devices = 1; return 0; } subsys_initcall(pnpacpi_init); diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index 95738dbd5d4..3a201b77b96 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -62,6 +62,7 @@ #include <linux/delay.h> #include <linux/acpi.h> #include <linux/freezer.h> +#include <linux/kthread.h> #include <asm/page.h> #include <asm/desc.h> @@ -159,9 +160,7 @@ static int pnp_dock_thread(void * unused) { static struct pnp_docking_station_info now; int docked = -1, d = 0; - daemonize("kpnpbiosd"); - allow_signal(SIGKILL); - while(!unloading && !signal_pending(current)) + while (!unloading) { int status; @@ -170,11 +169,8 @@ static int pnp_dock_thread(void * unused) */ msleep_interruptible(2000); - if(signal_pending(current)) { - if (try_to_freeze()) - continue; - break; - } + if (try_to_freeze()) + continue; status = pnp_bios_dock_station_info(&now); @@ -574,6 +570,7 @@ static int __init pnpbios_init(void) /* scan for pnpbios devices */ build_devlist(); + pnp_platform_devices = 1; return 0; } @@ -581,6 +578,7 @@ subsys_initcall(pnpbios_init); static int __init pnpbios_thread_init(void) { + struct task_struct *task; #if defined(CONFIG_PPC_MERGE) if (check_legacy_ioport(PNPBIOS_BASE)) return 0; @@ -589,7 +587,8 @@ static int __init pnpbios_thread_init(void) return 0; #ifdef CONFIG_HOTPLUG init_completion(&unload_sem); - if (kernel_thread(pnp_dock_thread, NULL, CLONE_KERNEL) > 0) + task = kthread_run(pnp_dock_thread, NULL, "kpnpbiosd"); + if (!IS_ERR(task)) unloading = 0; #endif return 0; diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c index e97ecefe858..277df50c89a 100644 --- a/drivers/pnp/quirks.c +++ b/drivers/pnp/quirks.c @@ -16,6 +16,7 @@ #include <linux/string.h> #include <linux/slab.h> #include <linux/pnp.h> +#include <linux/io.h> #include "base.h" @@ -106,6 +107,34 @@ static void quirk_sb16audio_resources(struct pnp_dev *dev) return; } +static void quirk_smc_enable(struct pnp_dev *dev) +{ + unsigned int firbase; + + if (!dev->active || !pnp_port_valid(dev, 1)) + return; + + /* + * On the HP/Compaq nw8240 (and probably other similar machines), + * there is an SMCF010 device with two I/O port regions: + * + * 0x3e8-0x3ef SIR + * 0x100-0x10f FIR + * + * _STA reports the device is enabled, but in fact, the BIOS + * neglects to enable the FIR range. Fortunately, it does fully + * enable the device if we call _SRS. + */ + firbase = pnp_port_start(dev, 1); + if (inb(firbase + 0x7 /* IRCC_MASTER */) == 0xff) { + pnp_err("%s (%s) enabled but not responding, disabling and " + "re-enabling", dev->dev.bus_id, pnp_dev_name(dev)); + pnp_disable_dev(dev); + pnp_activate_dev(dev); + } +} + + /* * PnP Quirks * Cards or devices that need some tweaking due to incomplete resource info @@ -126,6 +155,7 @@ static struct pnp_fixup pnp_fixups[] = { { "CTL0043", quirk_sb16audio_resources }, { "CTL0044", quirk_sb16audio_resources }, { "CTL0045", quirk_sb16audio_resources }, + { "SMCf010", quirk_smc_enable }, { "" } }; diff --git a/drivers/ps3/vuart.c b/drivers/ps3/vuart.c index 7d7cab1d91b..ec2d36a1bc6 100644 --- a/drivers/ps3/vuart.c +++ b/drivers/ps3/vuart.c @@ -886,12 +886,12 @@ static int ps3_vuart_probe(struct device *_dev) if (++vuart_bus_priv.use_count == 1) { - result = ps3_alloc_vuart_irq(PS3_BINDING_CPU_ANY, + result = ps3_vuart_irq_setup(PS3_BINDING_CPU_ANY, (void*)&vuart_bus_priv.bmp.status, &vuart_bus_priv.virq); if (result) { dev_dbg(&dev->core, - "%s:%d: ps3_alloc_vuart_irq failed (%d)\n", + "%s:%d: ps3_vuart_irq_setup failed (%d)\n", __func__, __LINE__, result); result = -EPERM; goto fail_alloc_irq; @@ -937,7 +937,7 @@ static int ps3_vuart_probe(struct device *_dev) fail_probe: ps3_vuart_set_interrupt_mask(dev, 0); fail_request_irq: - ps3_free_vuart_irq(vuart_bus_priv.virq); + ps3_vuart_irq_destroy(vuart_bus_priv.virq); vuart_bus_priv.virq = NO_IRQ; fail_alloc_irq: --vuart_bus_priv.use_count; @@ -975,7 +975,7 @@ static int ps3_vuart_remove(struct device *_dev) if (--vuart_bus_priv.use_count == 0) { BUG(); free_irq(vuart_bus_priv.virq, &vuart_bus_priv); - ps3_free_vuart_irq(vuart_bus_priv.virq); + ps3_vuart_irq_destroy(vuart_bus_priv.virq); vuart_bus_priv.virq = NO_IRQ; } diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index ef1eae98ba4..5e439836db2 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -21,21 +21,31 @@ config RTC_CLASS will be called rtc-class. config RTC_HCTOSYS - bool "Set system time from RTC on startup" + bool "Set system time from RTC on startup and resume" depends on RTC_CLASS = y default y help - If you say yes here, the system time will be set using - the value read from the specified RTC device. This is useful - in order to avoid unnecessary fsck runs. + If you say yes here, the system time (wall clock) will be set using + the value read from a specified RTC device. This is useful to avoid + unnecessary fsck runs at boot time, and to network better. config RTC_HCTOSYS_DEVICE - string "The RTC to read the time from" + string "RTC used to set the system time" depends on RTC_HCTOSYS = y default "rtc0" help - The RTC device that will be used as the source for - the system time, usually rtc0. + The RTC device that will be used to (re)initialize the system + clock, usually rtc0. Initialization is done when the system + starts up, and when it resumes from a low power state. + + This clock should be battery-backed, so that it reads the correct + time when the system boots from a power-off state. Otherwise, your + system will need an external clock source (like an NTP server). + + If the clock you specify here is not battery backed, it may still + be useful to reinitialize system time when resuming from system + sleep states. Do not specify an RTC here unless it stays powered + during all this system's supported sleep states. config RTC_DEBUG bool "RTC debug support" @@ -48,7 +58,7 @@ comment "RTC interfaces" depends on RTC_CLASS config RTC_INTF_SYSFS - tristate "sysfs" + boolean "sysfs" depends on RTC_CLASS && SYSFS default RTC_CLASS help @@ -59,7 +69,7 @@ config RTC_INTF_SYSFS will be called rtc-sysfs. config RTC_INTF_PROC - tristate "proc" + boolean "proc" depends on RTC_CLASS && PROC_FS default RTC_CLASS help @@ -71,7 +81,7 @@ config RTC_INTF_PROC will be called rtc-proc. config RTC_INTF_DEV - tristate "dev" + boolean "dev" depends on RTC_CLASS default RTC_CLASS help @@ -92,44 +102,26 @@ config RTC_INTF_DEV_UIE_EMUL driver does not expose RTC_UIE ioctls. Those requests generate once-per-second update interrupts, used for synchronization. -comment "RTC drivers" +config RTC_DRV_TEST + tristate "Test driver/device" depends on RTC_CLASS - -# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h> -# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a -# global rtc_lock ... it's not yet just another platform_device. - -config RTC_DRV_CMOS - tristate "PC-style 'CMOS' real time clock" - depends on RTC_CLASS && (X86 || ALPHA || ARM26 || ARM \ - || M32R || ATARI || POWERPC) - help - Say "yes" here to get direct support for the real time clock - found in every PC or ACPI-based system, and some other boards. - Specifically the original MC146818, compatibles like those in - PC south bridges, the DS12887 or M48T86, some multifunction - or LPC bus chips, and so on. - - Your system will need to define the platform device used by - this driver, otherwise it won't be accessible. This means - you can safely enable this driver if you don't know whether - or not your board has this kind of hardware. - - This driver can also be built as a module. If so, the module - will be called rtc-cmos. - -config RTC_DRV_X1205 - tristate "Xicor/Intersil X1205" - depends on RTC_CLASS && I2C help If you say yes here you get support for the - Xicor/Intersil X1205 RTC chip. + RTC test driver. It's a software RTC which can be + used to test the RTC subsystem APIs. It gets + the time from the system clock. + You want this driver only if you are doing development + on the RTC subsystem. Please read the source code + for further details. This driver can also be built as a module. If so, the module - will be called rtc-x1205. + will be called rtc-test. + +comment "I2C RTC drivers" + depends on RTC_CLASS config RTC_DRV_DS1307 - tristate "Dallas/Maxim DS1307 and similar I2C RTC chips" + tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00" depends on RTC_CLASS && I2C help If you say yes here you get support for various compatible RTC @@ -146,53 +138,55 @@ config RTC_DRV_DS1307 This driver can also be built as a module. If so, the module will be called rtc-ds1307. -config RTC_DRV_DS1553 - tristate "Dallas DS1553" - depends on RTC_CLASS +config RTC_DRV_DS1672 + tristate "Dallas/Maxim DS1672" + depends on RTC_CLASS && I2C help If you say yes here you get support for the - Dallas DS1553 timekeeping chip. + Dallas/Maxim DS1672 timekeeping chip. This driver can also be built as a module. If so, the module - will be called rtc-ds1553. + will be called rtc-ds1672. -config RTC_DRV_ISL1208 - tristate "Intersil 1208" +config RTC_DRV_MAX6900 + tristate "Maxim 6900" depends on RTC_CLASS && I2C help - If you say yes here you get support for the - Intersil 1208 RTC chip. + If you say yes here you will get support for the + Maxim MAX6900 I2C RTC chip. This driver can also be built as a module. If so, the module - will be called rtc-isl1208. + will be called rtc-max6900. -config RTC_DRV_DS1672 - tristate "Dallas/Maxim DS1672" +config RTC_DRV_RS5C372 + tristate "Ricoh RS5C372A/B" depends on RTC_CLASS && I2C help If you say yes here you get support for the - Dallas/Maxim DS1672 timekeeping chip. + Ricoh RS5C372A and RS5C372B RTC chips. This driver can also be built as a module. If so, the module - will be called rtc-ds1672. + will be called rtc-rs5c372. -config RTC_DRV_DS1742 - tristate "Dallas DS1742/1743" - depends on RTC_CLASS +config RTC_DRV_ISL1208 + tristate "Intersil 1208" + depends on RTC_CLASS && I2C help If you say yes here you get support for the - Dallas DS1742/1743 timekeeping chip. + Intersil 1208 RTC chip. This driver can also be built as a module. If so, the module - will be called rtc-ds1742. + will be called rtc-isl1208. -config RTC_DRV_OMAP - tristate "TI OMAP1" - depends on RTC_CLASS && ( \ - ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 ) +config RTC_DRV_X1205 + tristate "Xicor/Intersil X1205" + depends on RTC_CLASS && I2C help - Say "yes" here to support the real time clock on TI OMAP1 chips. - This driver can also be built as a module called rtc-omap. + If you say yes here you get support for the + Xicor/Intersil X1205 RTC chip. + + This driver can also be built as a module. If so, the module + will be called rtc-x1205. config RTC_DRV_PCF8563 tristate "Philips PCF8563/Epson RTC8564" @@ -207,16 +201,20 @@ config RTC_DRV_PCF8563 config RTC_DRV_PCF8583 tristate "Philips PCF8583" - depends on RTC_CLASS && I2C && ARCH_RPC + depends on RTC_CLASS && I2C help If you say yes here you get support for the Philips PCF8583 - RTC chip found on Acorn RiscPCs. This driver supports the + RTC chip found on Acorn RiscPCs. This driver supports the platform specific method of retrieving the current year from - the RTC's SRAM. + the RTC's SRAM. It will work on other platforms with the same + chip, but the year will probably have to be tweaked. This driver can also be built as a module. If so, the module will be called rtc-pcf8583. +comment "SPI RTC drivers" + depends on RTC_CLASS + config RTC_DRV_RS5C348 tristate "Ricoh RS5C348A/B" depends on RTC_CLASS && SPI @@ -227,15 +225,92 @@ config RTC_DRV_RS5C348 This driver can also be built as a module. If so, the module will be called rtc-rs5c348. -config RTC_DRV_RS5C372 - tristate "Ricoh RS5C372A/B" - depends on RTC_CLASS && I2C +config RTC_DRV_MAX6902 + tristate "Maxim 6902" + depends on RTC_CLASS && SPI + help + If you say yes here you will get support for the + Maxim MAX6902 SPI RTC chip. + + This driver can also be built as a module. If so, the module + will be called rtc-max6902. + +comment "Platform RTC drivers" + depends on RTC_CLASS + +# this 'CMOS' RTC driver is arch dependent because <asm-generic/rtc.h> +# requires <asm/mc146818rtc.h> defining CMOS_READ/CMOS_WRITE, and a +# global rtc_lock ... it's not yet just another platform_device. + +config RTC_DRV_CMOS + tristate "PC-style 'CMOS'" + depends on RTC_CLASS && (X86 || ALPHA || ARM26 || ARM \ + || M32R || ATARI || POWERPC) + help + Say "yes" here to get direct support for the real time clock + found in every PC or ACPI-based system, and some other boards. + Specifically the original MC146818, compatibles like those in + PC south bridges, the DS12887 or M48T86, some multifunction + or LPC bus chips, and so on. + + Your system will need to define the platform device used by + this driver, otherwise it won't be accessible. This means + you can safely enable this driver if you don't know whether + or not your board has this kind of hardware. + + This driver can also be built as a module. If so, the module + will be called rtc-cmos. + +config RTC_DRV_DS1553 + tristate "Dallas DS1553" + depends on RTC_CLASS help If you say yes here you get support for the - Ricoh RS5C372A and RS5C372B RTC chips. + Dallas DS1553 timekeeping chip. This driver can also be built as a module. If so, the module - will be called rtc-rs5c372. + will be called rtc-ds1553. + +config RTC_DRV_DS1742 + tristate "Dallas DS1742/1743" + depends on RTC_CLASS + help + If you say yes here you get support for the + Dallas DS1742/1743 timekeeping chip. + + This driver can also be built as a module. If so, the module + will be called rtc-ds1742. + +config RTC_DRV_M48T86 + tristate "ST M48T86/Dallas DS12887" + depends on RTC_CLASS + help + If you say Y here you will get support for the + ST M48T86 and Dallas DS12887 RTC chips. + + This driver can also be built as a module. If so, the module + will be called rtc-m48t86. + +config RTC_DRV_V3020 + tristate "EM Microelectronic V3020" + depends on RTC_CLASS + help + If you say yes here you will get support for the + EM Microelectronic v3020 RTC chip. + + This driver can also be built as a module. If so, the module + will be called rtc-v3020. + +comment "on-CPU RTC drivers" + depends on RTC_CLASS + +config RTC_DRV_OMAP + tristate "TI OMAP1" + depends on RTC_CLASS && ( \ + ARCH_OMAP15XX || ARCH_OMAP16XX || ARCH_OMAP730 ) + help + Say "yes" here to support the real time clock on TI OMAP1 chips. + This driver can also be built as a module called rtc-omap. config RTC_DRV_S3C tristate "Samsung S3C series SoC RTC" @@ -253,16 +328,6 @@ config RTC_DRV_S3C This driver can also be build as a module. If so, the module will be called rtc-s3c. -config RTC_DRV_M48T86 - tristate "ST M48T86/Dallas DS12887" - depends on RTC_CLASS - help - If you say Y here you will get support for the - ST M48T86 and Dallas DS12887 RTC chips. - - This driver can also be built as a module. If so, the module - will be called rtc-m48t86. - config RTC_DRV_EP93XX tristate "Cirrus Logic EP93XX" depends on RTC_CLASS && ARCH_EP93XX @@ -308,7 +373,7 @@ config RTC_DRV_PL031 depends on RTC_CLASS && ARM_AMBA help If you say Y here you will get access to ARM AMBA - PrimeCell PL031 UART found on certain ARM SOCs. + PrimeCell PL031 RTC found on certain ARM SOCs. To compile this driver as a module, choose M here: the module will be called rtc-pl031. @@ -319,41 +384,6 @@ config RTC_DRV_AT91RM9200 help Driver for the Atmel AT91RM9200's internal RTC (Realtime Clock). -config RTC_DRV_TEST - tristate "Test driver/device" - depends on RTC_CLASS - help - If you say yes here you get support for the - RTC test driver. It's a software RTC which can be - used to test the RTC subsystem APIs. It gets - the time from the system clock. - You want this driver only if you are doing development - on the RTC subsystem. Please read the source code - for further details. - - This driver can also be built as a module. If so, the module - will be called rtc-test. - -config RTC_DRV_MAX6902 - tristate "Maxim 6902" - depends on RTC_CLASS && SPI - help - If you say yes here you will get support for the - Maxim MAX6902 spi RTC chip. - - This driver can also be built as a module. If so, the module - will be called rtc-max6902. - -config RTC_DRV_V3020 - tristate "EM Microelectronic V3020" - depends on RTC_CLASS - help - If you say yes here you will get support for the - EM Microelectronic v3020 RTC chip. - - This driver can also be built as a module. If so, the module - will be called rtc-v3020. - config RTC_DRV_BFIN tristate "Blackfin On-Chip RTC" depends on RTC_CLASS && BFIN @@ -364,4 +394,10 @@ config RTC_DRV_BFIN This driver can also be built as a module. If so, the module will be called rtc-bfin. +config RTC_DRV_RS5C313 + tristate "Ricoh RS5C313" + depends on RTC_CLASS && BROKEN + help + If you say yes here you get support for the Ricoh RS5C313 RTC chips. + endmenu diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 9218cf28d6e..a1afbc23607 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -11,9 +11,9 @@ obj-$(CONFIG_RTC_HCTOSYS) += hctosys.o obj-$(CONFIG_RTC_CLASS) += rtc-core.o rtc-core-y := class.o interface.o -obj-$(CONFIG_RTC_INTF_SYSFS) += rtc-sysfs.o -obj-$(CONFIG_RTC_INTF_PROC) += rtc-proc.o -obj-$(CONFIG_RTC_INTF_DEV) += rtc-dev.o +rtc-core-$(CONFIG_RTC_INTF_DEV) += rtc-dev.o +rtc-core-$(CONFIG_RTC_INTF_PROC) += rtc-proc.o +rtc-core-$(CONFIG_RTC_INTF_SYSFS) += rtc-sysfs.o obj-$(CONFIG_RTC_DRV_CMOS) += rtc-cmos.o obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o @@ -30,10 +30,12 @@ obj-$(CONFIG_RTC_DRV_S3C) += rtc-s3c.o obj-$(CONFIG_RTC_DRV_RS5C348) += rtc-rs5c348.o obj-$(CONFIG_RTC_DRV_M48T86) += rtc-m48t86.o obj-$(CONFIG_RTC_DRV_DS1553) += rtc-ds1553.o +obj-$(CONFIG_RTC_DRV_RS5C313) += rtc-rs5c313.o obj-$(CONFIG_RTC_DRV_EP93XX) += rtc-ep93xx.o obj-$(CONFIG_RTC_DRV_SA1100) += rtc-sa1100.o obj-$(CONFIG_RTC_DRV_VR41XX) += rtc-vr41xx.o obj-$(CONFIG_RTC_DRV_PL031) += rtc-pl031.o +obj-$(CONFIG_RTC_DRV_MAX6900) += rtc-max6900.o obj-$(CONFIG_RTC_DRV_MAX6902) += rtc-max6902.o obj-$(CONFIG_RTC_DRV_V3020) += rtc-v3020.o obj-$(CONFIG_RTC_DRV_AT91RM9200)+= rtc-at91rm9200.o diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index 04aaa634723..8b3cd31d6a6 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -16,19 +16,94 @@ #include <linux/kdev_t.h> #include <linux/idr.h> +#include "rtc-core.h" + + static DEFINE_IDR(rtc_idr); static DEFINE_MUTEX(idr_lock); struct class *rtc_class; -static void rtc_device_release(struct class_device *class_dev) +static void rtc_device_release(struct device *dev) { - struct rtc_device *rtc = to_rtc_device(class_dev); + struct rtc_device *rtc = to_rtc_device(dev); mutex_lock(&idr_lock); idr_remove(&rtc_idr, rtc->id); mutex_unlock(&idr_lock); kfree(rtc); } +#if defined(CONFIG_PM) && defined(CONFIG_RTC_HCTOSYS_DEVICE) + +/* + * On suspend(), measure the delta between one RTC and the + * system's wall clock; restore it on resume(). + */ + +static struct timespec delta; +static time_t oldtime; + +static int rtc_suspend(struct device *dev, pm_message_t mesg) +{ + struct rtc_device *rtc = to_rtc_device(dev); + struct rtc_time tm; + + if (strncmp(rtc->dev.bus_id, + CONFIG_RTC_HCTOSYS_DEVICE, + BUS_ID_SIZE) != 0) + return 0; + + rtc_read_time(rtc, &tm); + rtc_tm_to_time(&tm, &oldtime); + + /* RTC precision is 1 second; adjust delta for avg 1/2 sec err */ + set_normalized_timespec(&delta, + xtime.tv_sec - oldtime, + xtime.tv_nsec - (NSEC_PER_SEC >> 1)); + + return 0; +} + +static int rtc_resume(struct device *dev) +{ + struct rtc_device *rtc = to_rtc_device(dev); + struct rtc_time tm; + time_t newtime; + struct timespec time; + + if (strncmp(rtc->dev.bus_id, + CONFIG_RTC_HCTOSYS_DEVICE, + BUS_ID_SIZE) != 0) + return 0; + + rtc_read_time(rtc, &tm); + if (rtc_valid_tm(&tm) != 0) { + pr_debug("%s: bogus resume time\n", rtc->dev.bus_id); + return 0; + } + rtc_tm_to_time(&tm, &newtime); + if (newtime <= oldtime) { + if (newtime < oldtime) + pr_debug("%s: time travel!\n", rtc->dev.bus_id); + return 0; + } + + /* restore wall clock using delta against this RTC; + * adjust again for avg 1/2 second RTC sampling error + */ + set_normalized_timespec(&time, + newtime + delta.tv_sec, + (NSEC_PER_SEC >> 1) + delta.tv_nsec); + do_settimeofday(&time); + + return 0; +} + +#else +#define rtc_suspend NULL +#define rtc_resume NULL +#endif + + /** * rtc_device_register - register w/ RTC class * @dev: the device to register @@ -70,23 +145,29 @@ struct rtc_device *rtc_device_register(const char *name, struct device *dev, rtc->ops = ops; rtc->owner = owner; rtc->max_user_freq = 64; - rtc->class_dev.dev = dev; - rtc->class_dev.class = rtc_class; - rtc->class_dev.release = rtc_device_release; + rtc->dev.parent = dev; + rtc->dev.class = rtc_class; + rtc->dev.release = rtc_device_release; mutex_init(&rtc->ops_lock); spin_lock_init(&rtc->irq_lock); spin_lock_init(&rtc->irq_task_lock); strlcpy(rtc->name, name, RTC_DEVICE_NAME_SIZE); - snprintf(rtc->class_dev.class_id, BUS_ID_SIZE, "rtc%d", id); + snprintf(rtc->dev.bus_id, BUS_ID_SIZE, "rtc%d", id); - err = class_device_register(&rtc->class_dev); + rtc_dev_prepare(rtc); + + err = device_register(&rtc->dev); if (err) goto exit_kfree; + rtc_dev_add_device(rtc); + rtc_sysfs_add_device(rtc); + rtc_proc_add_device(rtc); + dev_info(dev, "rtc core: registered %s as %s\n", - rtc->name, rtc->class_dev.class_id); + rtc->name, rtc->dev.bus_id); return rtc; @@ -113,26 +194,22 @@ EXPORT_SYMBOL_GPL(rtc_device_register); */ void rtc_device_unregister(struct rtc_device *rtc) { - if (class_device_get(&rtc->class_dev) != NULL) { + if (get_device(&rtc->dev) != NULL) { mutex_lock(&rtc->ops_lock); /* remove innards of this RTC, then disable it, before * letting any rtc_class_open() users access it again */ - class_device_unregister(&rtc->class_dev); + rtc_sysfs_del_device(rtc); + rtc_dev_del_device(rtc); + rtc_proc_del_device(rtc); + device_unregister(&rtc->dev); rtc->ops = NULL; mutex_unlock(&rtc->ops_lock); - class_device_put(&rtc->class_dev); + put_device(&rtc->dev); } } EXPORT_SYMBOL_GPL(rtc_device_unregister); -int rtc_interface_register(struct class_interface *intf) -{ - intf->class = rtc_class; - return class_interface_register(intf); -} -EXPORT_SYMBOL_GPL(rtc_interface_register); - static int __init rtc_init(void) { rtc_class = class_create(THIS_MODULE, "rtc"); @@ -140,11 +217,16 @@ static int __init rtc_init(void) printk(KERN_ERR "%s: couldn't create class\n", __FILE__); return PTR_ERR(rtc_class); } + rtc_class->suspend = rtc_suspend; + rtc_class->resume = rtc_resume; + rtc_dev_init(); + rtc_sysfs_init(rtc_class); return 0; } static void __exit rtc_exit(void) { + rtc_dev_exit(); class_destroy(rtc_class); } diff --git a/drivers/rtc/hctosys.c b/drivers/rtc/hctosys.c index d02fe9a0001..178527252c6 100644 --- a/drivers/rtc/hctosys.c +++ b/drivers/rtc/hctosys.c @@ -26,15 +26,15 @@ static int __init rtc_hctosys(void) { int err; struct rtc_time tm; - struct class_device *class_dev = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE); + struct rtc_device *rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE); - if (class_dev == NULL) { + if (rtc == NULL) { printk("%s: unable to open rtc device (%s)\n", __FILE__, CONFIG_RTC_HCTOSYS_DEVICE); return -ENODEV; } - err = rtc_read_time(class_dev, &tm); + err = rtc_read_time(rtc, &tm); if (err == 0) { err = rtc_valid_tm(&tm); if (err == 0) { @@ -46,7 +46,7 @@ static int __init rtc_hctosys(void) do_settimeofday(&tv); - dev_info(class_dev->dev, + dev_info(rtc->dev.parent, "setting the system clock to " "%d-%02d-%02d %02d:%02d:%02d (%u)\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, @@ -54,14 +54,14 @@ static int __init rtc_hctosys(void) (unsigned int) tv.tv_sec); } else - dev_err(class_dev->dev, + dev_err(rtc->dev.parent, "hctosys: invalid date/time\n"); } else - dev_err(class_dev->dev, + dev_err(rtc->dev.parent, "hctosys: unable to read the hardware clock\n"); - rtc_class_close(class_dev); + rtc_class_close(rtc); return 0; } diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index ef40df0f169..ad66c6ecf36 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -13,10 +13,9 @@ #include <linux/rtc.h> -int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm) +int rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm) { int err; - struct rtc_device *rtc = to_rtc_device(class_dev); err = mutex_lock_interruptible(&rtc->ops_lock); if (err) @@ -28,7 +27,7 @@ int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm) err = -EINVAL; else { memset(tm, 0, sizeof(struct rtc_time)); - err = rtc->ops->read_time(class_dev->dev, tm); + err = rtc->ops->read_time(rtc->dev.parent, tm); } mutex_unlock(&rtc->ops_lock); @@ -36,10 +35,9 @@ int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm) } EXPORT_SYMBOL_GPL(rtc_read_time); -int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm) +int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) { int err; - struct rtc_device *rtc = to_rtc_device(class_dev); err = rtc_valid_tm(tm); if (err != 0) @@ -54,17 +52,16 @@ int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm) else if (!rtc->ops->set_time) err = -EINVAL; else - err = rtc->ops->set_time(class_dev->dev, tm); + err = rtc->ops->set_time(rtc->dev.parent, tm); mutex_unlock(&rtc->ops_lock); return err; } EXPORT_SYMBOL_GPL(rtc_set_time); -int rtc_set_mmss(struct class_device *class_dev, unsigned long secs) +int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs) { int err; - struct rtc_device *rtc = to_rtc_device(class_dev); err = mutex_lock_interruptible(&rtc->ops_lock); if (err) @@ -73,11 +70,11 @@ int rtc_set_mmss(struct class_device *class_dev, unsigned long secs) if (!rtc->ops) err = -ENODEV; else if (rtc->ops->set_mmss) - err = rtc->ops->set_mmss(class_dev->dev, secs); + err = rtc->ops->set_mmss(rtc->dev.parent, secs); else if (rtc->ops->read_time && rtc->ops->set_time) { struct rtc_time new, old; - err = rtc->ops->read_time(class_dev->dev, &old); + err = rtc->ops->read_time(rtc->dev.parent, &old); if (err == 0) { rtc_time_to_tm(secs, &new); @@ -89,7 +86,8 @@ int rtc_set_mmss(struct class_device *class_dev, unsigned long secs) */ if (!((old.tm_hour == 23 && old.tm_min == 59) || (new.tm_hour == 23 && new.tm_min == 59))) - err = rtc->ops->set_time(class_dev->dev, &new); + err = rtc->ops->set_time(rtc->dev.parent, + &new); } } else @@ -101,10 +99,9 @@ int rtc_set_mmss(struct class_device *class_dev, unsigned long secs) } EXPORT_SYMBOL_GPL(rtc_set_mmss); -int rtc_read_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) +int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) { int err; - struct rtc_device *rtc = to_rtc_device(class_dev); err = mutex_lock_interruptible(&rtc->ops_lock); if (err) @@ -116,7 +113,7 @@ int rtc_read_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) err = -EINVAL; else { memset(alarm, 0, sizeof(struct rtc_wkalrm)); - err = rtc->ops->read_alarm(class_dev->dev, alarm); + err = rtc->ops->read_alarm(rtc->dev.parent, alarm); } mutex_unlock(&rtc->ops_lock); @@ -124,10 +121,13 @@ int rtc_read_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) } EXPORT_SYMBOL_GPL(rtc_read_alarm); -int rtc_set_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) +int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) { int err; - struct rtc_device *rtc = to_rtc_device(class_dev); + + err = rtc_valid_tm(&alarm->time); + if (err != 0) + return err; err = mutex_lock_interruptible(&rtc->ops_lock); if (err) @@ -138,7 +138,7 @@ int rtc_set_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) else if (!rtc->ops->set_alarm) err = -EINVAL; else - err = rtc->ops->set_alarm(class_dev->dev, alarm); + err = rtc->ops->set_alarm(rtc->dev.parent, alarm); mutex_unlock(&rtc->ops_lock); return err; @@ -147,16 +147,14 @@ EXPORT_SYMBOL_GPL(rtc_set_alarm); /** * rtc_update_irq - report RTC periodic, alarm, and/or update irqs - * @class_dev: the rtc's class device + * @rtc: the rtc device * @num: how many irqs are being reported (usually one) * @events: mask of RTC_IRQF with one or more of RTC_PF, RTC_AF, RTC_UF * Context: in_interrupt(), irqs blocked */ -void rtc_update_irq(struct class_device *class_dev, +void rtc_update_irq(struct rtc_device *rtc, unsigned long num, unsigned long events) { - struct rtc_device *rtc = to_rtc_device(class_dev); - spin_lock(&rtc->irq_lock); rtc->irq_data = (rtc->irq_data + (num << 8)) | events; spin_unlock(&rtc->irq_lock); @@ -171,40 +169,43 @@ void rtc_update_irq(struct class_device *class_dev, } EXPORT_SYMBOL_GPL(rtc_update_irq); -struct class_device *rtc_class_open(char *name) +struct rtc_device *rtc_class_open(char *name) { - struct class_device *class_dev = NULL, - *class_dev_tmp; + struct device *dev; + struct rtc_device *rtc = NULL; down(&rtc_class->sem); - list_for_each_entry(class_dev_tmp, &rtc_class->children, node) { - if (strncmp(class_dev_tmp->class_id, name, BUS_ID_SIZE) == 0) { - class_dev = class_device_get(class_dev_tmp); + list_for_each_entry(dev, &rtc_class->devices, node) { + if (strncmp(dev->bus_id, name, BUS_ID_SIZE) == 0) { + dev = get_device(dev); + if (dev) + rtc = to_rtc_device(dev); break; } } - if (class_dev) { - if (!try_module_get(to_rtc_device(class_dev)->owner)) - class_dev = NULL; + if (rtc) { + if (!try_module_get(rtc->owner)) { + put_device(dev); + rtc = NULL; + } } up(&rtc_class->sem); - return class_dev; + return rtc; } EXPORT_SYMBOL_GPL(rtc_class_open); -void rtc_class_close(struct class_device *class_dev) +void rtc_class_close(struct rtc_device *rtc) { - module_put(to_rtc_device(class_dev)->owner); - class_device_put(class_dev); + module_put(rtc->owner); + put_device(&rtc->dev); } EXPORT_SYMBOL_GPL(rtc_class_close); -int rtc_irq_register(struct class_device *class_dev, struct rtc_task *task) +int rtc_irq_register(struct rtc_device *rtc, struct rtc_task *task) { int retval = -EBUSY; - struct rtc_device *rtc = to_rtc_device(class_dev); if (task == NULL || task->func == NULL) return -EINVAL; @@ -220,9 +221,8 @@ int rtc_irq_register(struct class_device *class_dev, struct rtc_task *task) } EXPORT_SYMBOL_GPL(rtc_irq_register); -void rtc_irq_unregister(struct class_device *class_dev, struct rtc_task *task) +void rtc_irq_unregister(struct rtc_device *rtc, struct rtc_task *task) { - struct rtc_device *rtc = to_rtc_device(class_dev); spin_lock_irq(&rtc->irq_task_lock); if (rtc->irq_task == task) @@ -231,11 +231,10 @@ void rtc_irq_unregister(struct class_device *class_dev, struct rtc_task *task) } EXPORT_SYMBOL_GPL(rtc_irq_unregister); -int rtc_irq_set_state(struct class_device *class_dev, struct rtc_task *task, int enabled) +int rtc_irq_set_state(struct rtc_device *rtc, struct rtc_task *task, int enabled) { int err = 0; unsigned long flags; - struct rtc_device *rtc = to_rtc_device(class_dev); if (rtc->ops->irq_set_state == NULL) return -ENXIO; @@ -246,17 +245,16 @@ int rtc_irq_set_state(struct class_device *class_dev, struct rtc_task *task, int spin_unlock_irqrestore(&rtc->irq_task_lock, flags); if (err == 0) - err = rtc->ops->irq_set_state(class_dev->dev, enabled); + err = rtc->ops->irq_set_state(rtc->dev.parent, enabled); return err; } EXPORT_SYMBOL_GPL(rtc_irq_set_state); -int rtc_irq_set_freq(struct class_device *class_dev, struct rtc_task *task, int freq) +int rtc_irq_set_freq(struct rtc_device *rtc, struct rtc_task *task, int freq) { int err = 0; unsigned long flags; - struct rtc_device *rtc = to_rtc_device(class_dev); if (rtc->ops->irq_set_freq == NULL) return -ENXIO; @@ -267,7 +265,7 @@ int rtc_irq_set_freq(struct class_device *class_dev, struct rtc_task *task, int spin_unlock_irqrestore(&rtc->irq_task_lock, flags); if (err == 0) { - err = rtc->ops->irq_set_freq(class_dev->dev, freq); + err = rtc->ops->irq_set_freq(rtc->dev.parent, freq); if (err == 0) rtc->irq_freq = freq; } diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index ac0e68e2f02..33795e5a559 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -263,7 +263,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id) at91_sys_write(AT91_RTC_SCCR, rtsr); /* clear status reg */ - rtc_update_irq(&rtc->class_dev, 1, events); + rtc_update_irq(rtc, 1, events); pr_debug("%s(): num=%ld, events=0x%02lx\n", __FUNCTION__, events >> 8, events & 0x000000FF); @@ -348,21 +348,10 @@ static int __exit at91_rtc_remove(struct platform_device *pdev) /* AT91RM9200 RTC Power management control */ -static struct timespec at91_rtc_delta; static u32 at91_rtc_imr; static int at91_rtc_suspend(struct platform_device *pdev, pm_message_t state) { - struct rtc_time tm; - struct timespec time; - - time.tv_nsec = 0; - - /* calculate time delta for suspend */ - at91_rtc_readtime(&pdev->dev, &tm); - rtc_tm_to_time(&tm, &time.tv_sec); - save_time_delta(&at91_rtc_delta, &time); - /* this IRQ is shared with DBGU and other hardware which isn't * necessarily doing PM like we are... */ @@ -374,36 +363,17 @@ static int at91_rtc_suspend(struct platform_device *pdev, pm_message_t state) else at91_sys_write(AT91_RTC_IDR, at91_rtc_imr); } - - pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, - 1900 + tm.tm_year, tm.tm_mon, tm.tm_mday, - tm.tm_hour, tm.tm_min, tm.tm_sec); - return 0; } static int at91_rtc_resume(struct platform_device *pdev) { - struct rtc_time tm; - struct timespec time; - - time.tv_nsec = 0; - - at91_rtc_readtime(&pdev->dev, &tm); - rtc_tm_to_time(&tm, &time.tv_sec); - restore_time_delta(&at91_rtc_delta, &time); - if (at91_rtc_imr) { if (device_may_wakeup(&pdev->dev)) disable_irq_wake(AT91_ID_SYS); else at91_sys_write(AT91_RTC_IER, at91_rtc_imr); } - - pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __FUNCTION__, - 1900 + tm.tm_year, tm.tm_mon, tm.tm_mday, - tm.tm_hour, tm.tm_min, tm.tm_sec); - return 0; } #else diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 7c0d6091007..6085261aa2c 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -46,6 +46,10 @@ struct cmos_rtc { int irq; struct resource *iomem; + void (*wake_on)(struct device *); + void (*wake_off)(struct device *); + + u8 enabled_wake; u8 suspend_ctrl; /* newer hardware extends the original register set */ @@ -203,7 +207,7 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t) rtc_intr = CMOS_READ(RTC_INTR_FLAGS); rtc_intr &= (rtc_control & RTC_IRQMASK) | RTC_IRQF; if (is_intr(rtc_intr)) - rtc_update_irq(&cmos->rtc->class_dev, 1, rtc_intr); + rtc_update_irq(cmos->rtc, 1, rtc_intr); /* update alarm */ CMOS_WRITE(hrs, RTC_HOURS_ALARM); @@ -223,7 +227,7 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t) rtc_intr = CMOS_READ(RTC_INTR_FLAGS); rtc_intr &= (rtc_control & RTC_IRQMASK) | RTC_IRQF; if (is_intr(rtc_intr)) - rtc_update_irq(&cmos->rtc->class_dev, 1, rtc_intr); + rtc_update_irq(cmos->rtc, 1, rtc_intr); } spin_unlock_irq(&rtc_lock); @@ -304,7 +308,7 @@ cmos_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) rtc_intr = CMOS_READ(RTC_INTR_FLAGS); rtc_intr &= (rtc_control & RTC_IRQMASK) | RTC_IRQF; if (is_intr(rtc_intr)) - rtc_update_irq(&cmos->rtc->class_dev, 1, rtc_intr); + rtc_update_irq(cmos->rtc, 1, rtc_intr); spin_unlock_irqrestore(&rtc_lock, flags); return 0; } @@ -379,12 +383,12 @@ static irqreturn_t cmos_interrupt(int irq, void *p) return IRQ_NONE; } -#ifdef CONFIG_PNPACPI -#define is_pnpacpi() 1 +#ifdef CONFIG_PNP +#define is_pnp() 1 #define INITSECTION #else -#define is_pnpacpi() 0 +#define is_pnp() 0 #define INITSECTION __init #endif @@ -405,13 +409,20 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) cmos_rtc.irq = rtc_irq; cmos_rtc.iomem = ports; - /* For ACPI systems the info comes from the FADT. On others, - * board specific setup provides it as appropriate. + /* For ACPI systems extension info comes from the FADT. On others, + * board specific setup provides it as appropriate. Systems where + * the alarm IRQ isn't automatically a wakeup IRQ (like ACPI, and + * some almost-clones) can provide hooks to make that behave. */ if (info) { cmos_rtc.day_alrm = info->rtc_day_alarm; cmos_rtc.mon_alrm = info->rtc_mon_alarm; cmos_rtc.century = info->rtc_century; + + if (info->wake_on && info->wake_off) { + cmos_rtc.wake_on = info->wake_on; + cmos_rtc.wake_off = info->wake_off; + } } cmos_rtc.rtc = rtc_device_register(driver_name, dev, @@ -427,14 +438,14 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) * REVISIT for non-x86 systems we may need to handle io memory * resources: ioremap them, and request_mem_region(). */ - if (is_pnpacpi()) { + if (is_pnp()) { retval = request_resource(&ioport_resource, ports); if (retval < 0) { dev_dbg(dev, "i/o registers already in use\n"); goto cleanup0; } } - rename_region(ports, cmos_rtc.rtc->class_dev.class_id); + rename_region(ports, cmos_rtc.rtc->dev.bus_id); spin_lock_irq(&rtc_lock); @@ -470,8 +481,8 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) if (is_valid_irq(rtc_irq)) retval = request_irq(rtc_irq, cmos_interrupt, IRQF_DISABLED, - cmos_rtc.rtc->class_dev.class_id, - &cmos_rtc.rtc->class_dev); + cmos_rtc.rtc->dev.bus_id, + cmos_rtc.rtc); if (retval < 0) { dev_dbg(dev, "IRQ %d is already in use\n", rtc_irq); goto cleanup1; @@ -483,7 +494,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) */ pr_info("%s: alarms up to one %s%s\n", - cmos_rtc.rtc->class_dev.class_id, + cmos_rtc.rtc->dev.bus_id, is_valid_irq(rtc_irq) ? (cmos_rtc.mon_alrm ? "year" @@ -520,12 +531,12 @@ static void __exit cmos_do_remove(struct device *dev) cmos_do_shutdown(); - if (is_pnpacpi()) + if (is_pnp()) release_resource(cmos->iomem); rename_region(cmos->iomem, NULL); if (is_valid_irq(cmos->irq)) - free_irq(cmos->irq, &cmos_rtc.rtc->class_dev); + free_irq(cmos->irq, cmos_rtc.rtc); rtc_device_unregister(cmos_rtc.rtc); @@ -555,16 +566,20 @@ static int cmos_suspend(struct device *dev, pm_message_t mesg) irqstat = CMOS_READ(RTC_INTR_FLAGS); irqstat &= (tmp & RTC_IRQMASK) | RTC_IRQF; if (is_intr(irqstat)) - rtc_update_irq(&cmos->rtc->class_dev, 1, irqstat); + rtc_update_irq(cmos->rtc, 1, irqstat); } spin_unlock_irq(&rtc_lock); - /* ACPI HOOK: enable ACPI_EVENT_RTC when (tmp & RTC_AIE) - * ... it'd be best if we could do that under rtc_lock. - */ + if (tmp & RTC_AIE) { + cmos->enabled_wake = 1; + if (cmos->wake_on) + cmos->wake_on(dev); + else + enable_irq_wake(cmos->irq); + } pr_debug("%s: suspend%s, ctrl %02x\n", - cmos_rtc.rtc->class_dev.class_id, + cmos_rtc.rtc->dev.bus_id, (tmp & RTC_AIE) ? ", alarm may wake" : "", tmp); @@ -576,26 +591,28 @@ static int cmos_resume(struct device *dev) struct cmos_rtc *cmos = dev_get_drvdata(dev); unsigned char tmp = cmos->suspend_ctrl; - /* REVISIT: a mechanism to resync the system clock (jiffies) - * on resume should be portable between platforms ... - */ - /* re-enable any irqs previously active */ if (tmp & (RTC_PIE|RTC_AIE|RTC_UIE)) { - /* ACPI HOOK: disable ACPI_EVENT_RTC when (tmp & RTC_AIE) */ + if (cmos->enabled_wake) { + if (cmos->wake_off) + cmos->wake_off(dev); + else + disable_irq_wake(cmos->irq); + cmos->enabled_wake = 0; + } spin_lock_irq(&rtc_lock); CMOS_WRITE(tmp, RTC_CONTROL); tmp = CMOS_READ(RTC_INTR_FLAGS); tmp &= (cmos->suspend_ctrl & RTC_IRQMASK) | RTC_IRQF; if (is_intr(tmp)) - rtc_update_irq(&cmos->rtc->class_dev, 1, tmp); + rtc_update_irq(cmos->rtc, 1, tmp); spin_unlock_irq(&rtc_lock); } pr_debug("%s: resume, ctrl %02x\n", - cmos_rtc.rtc->class_dev.class_id, + cmos_rtc.rtc->dev.bus_id, cmos->suspend_ctrl); @@ -613,7 +630,7 @@ static int cmos_resume(struct device *dev) * the device node will always be created as a PNPACPI device. */ -#ifdef CONFIG_PNPACPI +#ifdef CONFIG_PNP #include <linux/pnp.h> @@ -684,11 +701,11 @@ static void __exit cmos_exit(void) } module_exit(cmos_exit); -#else /* no PNPACPI */ +#else /* no PNP */ /*----------------------------------------------------------------*/ -/* Platform setup should have set up an RTC device, when PNPACPI is +/* Platform setup should have set up an RTC device, when PNP is * unavailable ... this could happen even on (older) PCs. */ @@ -734,7 +751,7 @@ static void __exit cmos_exit(void) module_exit(cmos_exit); -#endif /* !PNPACPI */ +#endif /* !PNP */ MODULE_AUTHOR("David Brownell"); MODULE_DESCRIPTION("Driver for PC-style 'CMOS' RTCs"); diff --git a/drivers/rtc/rtc-core.h b/drivers/rtc/rtc-core.h new file mode 100644 index 00000000000..5f9df7430a2 --- /dev/null +++ b/drivers/rtc/rtc-core.h @@ -0,0 +1,70 @@ +#ifdef CONFIG_RTC_INTF_DEV + +extern void __init rtc_dev_init(void); +extern void __exit rtc_dev_exit(void); +extern void rtc_dev_prepare(struct rtc_device *rtc); +extern void rtc_dev_add_device(struct rtc_device *rtc); +extern void rtc_dev_del_device(struct rtc_device *rtc); + +#else + +static inline void rtc_dev_init(void) +{ +} + +static inline void rtc_dev_exit(void) +{ +} + +static inline void rtc_dev_prepare(struct rtc_device *rtc) +{ +} + +static inline void rtc_dev_add_device(struct rtc_device *rtc) +{ +} + +static inline void rtc_dev_del_device(struct rtc_device *rtc) +{ +} + +#endif + +#ifdef CONFIG_RTC_INTF_PROC + +extern void rtc_proc_add_device(struct rtc_device *rtc); +extern void rtc_proc_del_device(struct rtc_device *rtc); + +#else + +static inline void rtc_proc_add_device(struct rtc_device *rtc) +{ +} + +static inline void rtc_proc_del_device(struct rtc_device *rtc) +{ +} + +#endif + +#ifdef CONFIG_RTC_INTF_SYSFS + +extern void __init rtc_sysfs_init(struct class *); +extern void rtc_sysfs_add_device(struct rtc_device *rtc); +extern void rtc_sysfs_del_device(struct rtc_device *rtc); + +#else + +static inline void rtc_sysfs_init(struct class *rtc) +{ +} + +static inline void rtc_sysfs_add_device(struct rtc_device *rtc) +{ +} + +static inline void rtc_sysfs_del_device(struct rtc_device *rtc) +{ +} + +#endif diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index 137330b8636..f4e5f0040ff 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -13,8 +13,8 @@ #include <linux/module.h> #include <linux/rtc.h> +#include "rtc-core.h" -static struct class *rtc_dev_class; static dev_t rtc_devt; #define RTC_DEV_MAX 16 /* 16 RTCs should be enough for everyone... */ @@ -32,9 +32,9 @@ static int rtc_dev_open(struct inode *inode, struct file *file) if (!(mutex_trylock(&rtc->char_lock))) return -EBUSY; - file->private_data = &rtc->class_dev; + file->private_data = rtc; - err = ops->open ? ops->open(rtc->class_dev.dev) : 0; + err = ops->open ? ops->open(rtc->dev.parent) : 0; if (err == 0) { spin_lock_irq(&rtc->irq_lock); rtc->irq_data = 0; @@ -61,7 +61,7 @@ static void rtc_uie_task(struct work_struct *work) int num = 0; int err; - err = rtc_read_time(&rtc->class_dev, &tm); + err = rtc_read_time(rtc, &tm); local_irq_disable(); spin_lock(&rtc->irq_lock); @@ -79,7 +79,7 @@ static void rtc_uie_task(struct work_struct *work) } spin_unlock(&rtc->irq_lock); if (num) - rtc_update_irq(&rtc->class_dev, num, RTC_UF | RTC_IRQF); + rtc_update_irq(rtc, num, RTC_UF | RTC_IRQF); local_irq_enable(); } static void rtc_uie_timer(unsigned long data) @@ -121,7 +121,7 @@ static int set_uie(struct rtc_device *rtc) struct rtc_time tm; int err; - err = rtc_read_time(&rtc->class_dev, &tm); + err = rtc_read_time(rtc, &tm); if (err) return err; spin_lock_irq(&rtc->irq_lock); @@ -180,7 +180,7 @@ rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) if (ret == 0) { /* Check for any data updates */ if (rtc->ops->read_callback) - data = rtc->ops->read_callback(rtc->class_dev.dev, + data = rtc->ops->read_callback(rtc->dev.parent, data); if (sizeof(int) != sizeof(long) && @@ -210,8 +210,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { int err = 0; - struct class_device *class_dev = file->private_data; - struct rtc_device *rtc = to_rtc_device(class_dev); + struct rtc_device *rtc = file->private_data; const struct rtc_class_ops *ops = rtc->ops; struct rtc_time tm; struct rtc_wkalrm alarm; @@ -252,7 +251,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, /* try the driver's ioctl interface */ if (ops->ioctl) { - err = ops->ioctl(class_dev->dev, cmd, arg); + err = ops->ioctl(rtc->dev.parent, cmd, arg); if (err != -ENOIOCTLCMD) return err; } @@ -264,7 +263,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, switch (cmd) { case RTC_ALM_READ: - err = rtc_read_alarm(class_dev, &alarm); + err = rtc_read_alarm(rtc, &alarm); if (err < 0) return err; @@ -278,17 +277,53 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, alarm.enabled = 0; alarm.pending = 0; - alarm.time.tm_mday = -1; - alarm.time.tm_mon = -1; - alarm.time.tm_year = -1; alarm.time.tm_wday = -1; alarm.time.tm_yday = -1; alarm.time.tm_isdst = -1; - err = rtc_set_alarm(class_dev, &alarm); + + /* RTC_ALM_SET alarms may be up to 24 hours in the future. + * Rather than expecting every RTC to implement "don't care" + * for day/month/year fields, just force the alarm to have + * the right values for those fields. + * + * RTC_WKALM_SET should be used instead. Not only does it + * eliminate the need for a separate RTC_AIE_ON call, it + * doesn't have the "alarm 23:59:59 in the future" race. + * + * NOTE: some legacy code may have used invalid fields as + * wildcards, exposing hardware "periodic alarm" capabilities. + * Not supported here. + */ + { + unsigned long now, then; + + err = rtc_read_time(rtc, &tm); + if (err < 0) + return err; + rtc_tm_to_time(&tm, &now); + + alarm.time.tm_mday = tm.tm_mday; + alarm.time.tm_mon = tm.tm_mon; + alarm.time.tm_year = tm.tm_year; + err = rtc_valid_tm(&alarm.time); + if (err < 0) + return err; + rtc_tm_to_time(&alarm.time, &then); + + /* alarm may need to wrap into tomorrow */ + if (then < now) { + rtc_time_to_tm(now + 24 * 60 * 60, &tm); + alarm.time.tm_mday = tm.tm_mday; + alarm.time.tm_mon = tm.tm_mon; + alarm.time.tm_year = tm.tm_year; + } + } + + err = rtc_set_alarm(rtc, &alarm); break; case RTC_RD_TIME: - err = rtc_read_time(class_dev, &tm); + err = rtc_read_time(rtc, &tm); if (err < 0) return err; @@ -300,7 +335,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, if (copy_from_user(&tm, uarg, sizeof(tm))) return -EFAULT; - err = rtc_set_time(class_dev, &tm); + err = rtc_set_time(rtc, &tm); break; case RTC_IRQP_READ: @@ -310,7 +345,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, case RTC_IRQP_SET: if (ops->irq_set_freq) - err = rtc_irq_set_freq(class_dev, rtc->irq_task, arg); + err = rtc_irq_set_freq(rtc, rtc->irq_task, arg); break; #if 0 @@ -336,11 +371,11 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, if (copy_from_user(&alarm, uarg, sizeof(alarm))) return -EFAULT; - err = rtc_set_alarm(class_dev, &alarm); + err = rtc_set_alarm(rtc, &alarm); break; case RTC_WKALM_RD: - err = rtc_read_alarm(class_dev, &alarm); + err = rtc_read_alarm(rtc, &alarm); if (err < 0) return err; @@ -372,7 +407,7 @@ static int rtc_dev_release(struct inode *inode, struct file *file) clear_uie(rtc); #endif if (rtc->ops->release) - rtc->ops->release(rtc->class_dev.dev); + rtc->ops->release(rtc->dev.parent); mutex_unlock(&rtc->char_lock); return 0; @@ -397,17 +432,18 @@ static const struct file_operations rtc_dev_fops = { /* insertion/removal hooks */ -static int rtc_dev_add_device(struct class_device *class_dev, - struct class_interface *class_intf) +void rtc_dev_prepare(struct rtc_device *rtc) { - int err = 0; - struct rtc_device *rtc = to_rtc_device(class_dev); + if (!rtc_devt) + return; if (rtc->id >= RTC_DEV_MAX) { - dev_err(class_dev->dev, "too many RTCs\n"); - return -EINVAL; + pr_debug("%s: too many RTC devices\n", rtc->name); + return; } + rtc->dev.devt = MKDEV(MAJOR(rtc_devt), rtc->id); + mutex_init(&rtc->char_lock); spin_lock_init(&rtc->irq_lock); init_waitqueue_head(&rtc->irq_queue); @@ -418,100 +454,36 @@ static int rtc_dev_add_device(struct class_device *class_dev, cdev_init(&rtc->char_dev, &rtc_dev_fops); rtc->char_dev.owner = rtc->owner; +} - if (cdev_add(&rtc->char_dev, MKDEV(MAJOR(rtc_devt), rtc->id), 1)) { - dev_err(class_dev->dev, - "failed to add char device %d:%d\n", +void rtc_dev_add_device(struct rtc_device *rtc) +{ + if (cdev_add(&rtc->char_dev, rtc->dev.devt, 1)) + printk(KERN_WARNING "%s: failed to add char device %d:%d\n", + rtc->name, MAJOR(rtc_devt), rtc->id); + else + pr_debug("%s: dev (%d:%d)\n", rtc->name, MAJOR(rtc_devt), rtc->id); - return -ENODEV; - } - - rtc->rtc_dev = class_device_create(rtc_dev_class, NULL, - MKDEV(MAJOR(rtc_devt), rtc->id), - class_dev->dev, "rtc%d", rtc->id); - if (IS_ERR(rtc->rtc_dev)) { - dev_err(class_dev->dev, "cannot create rtc_dev device\n"); - err = PTR_ERR(rtc->rtc_dev); - goto err_cdev_del; - } - - dev_dbg(class_dev->dev, "rtc intf: dev (%d:%d)\n", - MAJOR(rtc->rtc_dev->devt), - MINOR(rtc->rtc_dev->devt)); - - return 0; - -err_cdev_del: - - cdev_del(&rtc->char_dev); - return err; } -static void rtc_dev_remove_device(struct class_device *class_dev, - struct class_interface *class_intf) +void rtc_dev_del_device(struct rtc_device *rtc) { - struct rtc_device *rtc = to_rtc_device(class_dev); - - if (rtc->rtc_dev) { - dev_dbg(class_dev->dev, "removing char %d:%d\n", - MAJOR(rtc->rtc_dev->devt), - MINOR(rtc->rtc_dev->devt)); - - class_device_unregister(rtc->rtc_dev); + if (rtc->dev.devt) cdev_del(&rtc->char_dev); - } } -/* interface registration */ - -static struct class_interface rtc_dev_interface = { - .add = &rtc_dev_add_device, - .remove = &rtc_dev_remove_device, -}; - -static int __init rtc_dev_init(void) +void __init rtc_dev_init(void) { int err; - rtc_dev_class = class_create(THIS_MODULE, "rtc-dev"); - if (IS_ERR(rtc_dev_class)) - return PTR_ERR(rtc_dev_class); - err = alloc_chrdev_region(&rtc_devt, 0, RTC_DEV_MAX, "rtc"); - if (err < 0) { + if (err < 0) printk(KERN_ERR "%s: failed to allocate char dev region\n", __FILE__); - goto err_destroy_class; - } - - err = rtc_interface_register(&rtc_dev_interface); - if (err < 0) { - printk(KERN_ERR "%s: failed to register the interface\n", - __FILE__); - goto err_unregister_chrdev; - } - - return 0; - -err_unregister_chrdev: - unregister_chrdev_region(rtc_devt, RTC_DEV_MAX); - -err_destroy_class: - class_destroy(rtc_dev_class); - - return err; } -static void __exit rtc_dev_exit(void) +void __exit rtc_dev_exit(void) { - class_interface_unregister(&rtc_dev_interface); - class_destroy(rtc_dev_class); - unregister_chrdev_region(rtc_devt, RTC_DEV_MAX); + if (rtc_devt) + unregister_chrdev_region(rtc_devt, RTC_DEV_MAX); } - -subsys_initcall(rtc_dev_init); -module_exit(rtc_dev_exit); - -MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -MODULE_DESCRIPTION("RTC class dev interface"); -MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c index e27176c0e18..afa64c7fa2e 100644 --- a/drivers/rtc/rtc-ds1553.c +++ b/drivers/rtc/rtc-ds1553.c @@ -203,7 +203,7 @@ static irqreturn_t ds1553_rtc_interrupt(int irq, void *dev_id) events |= RTC_UF; else events |= RTC_AF; - rtc_update_irq(&pdata->rtc->class_dev, 1, events); + rtc_update_irq(pdata->rtc, 1, events); return IRQ_HANDLED; } diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c index 7bbc26a34bd..ba795a4db1e 100644 --- a/drivers/rtc/rtc-lib.c +++ b/drivers/rtc/rtc-lib.c @@ -117,85 +117,4 @@ int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time) } EXPORT_SYMBOL(rtc_tm_to_time); - -/* Merge the valid (i.e. non-negative) fields of alarm into the current - * time. If the valid alarm fields are earlier than the equivalent - * fields in the time, carry one into the least significant invalid - * field, so that the alarm expiry is in the future. It assumes that the - * least significant invalid field is more significant than the most - * significant valid field, and that the seconds field is valid. - * - * This is used by alarms that take relative (rather than absolute) - * times, and/or have a simple binary second counter instead of - * day/hour/minute/sec registers. - */ -void rtc_merge_alarm(struct rtc_time *now, struct rtc_time *alarm) -{ - int *alarmp = &alarm->tm_sec; - int *timep = &now->tm_sec; - int carry_into, i; - - /* Ignore everything past the 6th element (tm_year). */ - for (i = 5; i > 0; i--) { - if (alarmp[i] < 0) - alarmp[i] = timep[i]; - else - break; - } - - /* No carry needed if all fields are valid. */ - if (i == 5) - return; - - for (carry_into = i + 1; i >= 0; i--) { - if (alarmp[i] < timep[i]) - break; - - if (alarmp[i] > timep[i]) - return; - } - - switch (carry_into) { - case 1: - alarm->tm_min++; - - if (alarm->tm_min < 60) - return; - - alarm->tm_min = 0; - /* fall-through */ - - case 2: - alarm->tm_hour++; - - if (alarm->tm_hour < 60) - return; - - alarm->tm_hour = 0; - /* fall-through */ - - case 3: - alarm->tm_mday++; - - if (alarm->tm_mday <= rtc_days_in_month[alarm->tm_mon]) - return; - - alarm->tm_mday = 1; - /* fall-through */ - - case 4: - alarm->tm_mon++; - - if (alarm->tm_mon <= 12) - return; - - alarm->tm_mon = 1; - /* fall-through */ - - case 5: - alarm->tm_year++; - } -} -EXPORT_SYMBOL(rtc_merge_alarm); - MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-max6900.c b/drivers/rtc/rtc-max6900.c new file mode 100644 index 00000000000..eee4ee5bb75 --- /dev/null +++ b/drivers/rtc/rtc-max6900.c @@ -0,0 +1,311 @@ +/* + * rtc class driver for the Maxim MAX6900 chip + * + * Author: Dale Farnsworth <dale@farnsworth.org> + * + * based on previously existing rtc class drivers + * + * 2007 (c) MontaVista, Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/bcd.h> +#include <linux/rtc.h> +#include <linux/delay.h> + +#define DRV_NAME "max6900" +#define DRV_VERSION "0.1" + +/* + * register indices + */ +#define MAX6900_REG_SC 0 /* seconds 00-59 */ +#define MAX6900_REG_MN 1 /* minutes 00-59 */ +#define MAX6900_REG_HR 2 /* hours 00-23 */ +#define MAX6900_REG_DT 3 /* day of month 00-31 */ +#define MAX6900_REG_MO 4 /* month 01-12 */ +#define MAX6900_REG_DW 5 /* day of week 1-7 */ +#define MAX6900_REG_YR 6 /* year 00-99 */ +#define MAX6900_REG_CT 7 /* control */ +#define MAX6900_REG_LEN 8 + +#define MAX6900_REG_CT_WP (1 << 7) /* Write Protect */ + +/* + * register read/write commands + */ +#define MAX6900_REG_CONTROL_WRITE 0x8e +#define MAX6900_REG_BURST_READ 0xbf +#define MAX6900_REG_BURST_WRITE 0xbe +#define MAX6900_REG_RESERVED_READ 0x96 + +#define MAX6900_IDLE_TIME_AFTER_WRITE 3 /* specification says 2.5 mS */ + +#define MAX6900_I2C_ADDR 0xa0 + +static unsigned short normal_i2c[] = { + MAX6900_I2C_ADDR >> 1, + I2C_CLIENT_END +}; + +I2C_CLIENT_INSMOD; /* defines addr_data */ + +static int max6900_probe(struct i2c_adapter *adapter, int addr, int kind); + +static int max6900_i2c_read_regs(struct i2c_client *client, u8 *buf) +{ + u8 reg_addr[1] = { MAX6900_REG_BURST_READ }; + struct i2c_msg msgs[2] = { + { + .addr = client->addr, + .flags = 0, /* write */ + .len = sizeof(reg_addr), + .buf = reg_addr + }, + { + .addr = client->addr, + .flags = I2C_M_RD, + .len = MAX6900_REG_LEN, + .buf = buf + } + }; + int rc; + + rc = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (rc != ARRAY_SIZE(msgs)) { + dev_err(&client->dev, "%s: register read failed\n", + __FUNCTION__); + return -EIO; + } + return 0; +} + +static int max6900_i2c_write_regs(struct i2c_client *client, u8 const *buf) +{ + u8 i2c_buf[MAX6900_REG_LEN + 1] = { MAX6900_REG_BURST_WRITE }; + struct i2c_msg msgs[1] = { + { + .addr = client->addr, + .flags = 0, /* write */ + .len = MAX6900_REG_LEN + 1, + .buf = i2c_buf + } + }; + int rc; + + memcpy(&i2c_buf[1], buf, MAX6900_REG_LEN); + + rc = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (rc != ARRAY_SIZE(msgs)) { + dev_err(&client->dev, "%s: register write failed\n", + __FUNCTION__); + return -EIO; + } + msleep(MAX6900_IDLE_TIME_AFTER_WRITE); + return 0; +} + +static int max6900_i2c_validate_client(struct i2c_client *client) +{ + u8 regs[MAX6900_REG_LEN]; + u8 zero_mask[MAX6900_REG_LEN] = { + 0x80, /* seconds */ + 0x80, /* minutes */ + 0x40, /* hours */ + 0xc0, /* day of month */ + 0xe0, /* month */ + 0xf8, /* day of week */ + 0x00, /* year */ + 0x7f, /* control */ + }; + int i; + int rc; + int reserved; + + reserved = i2c_smbus_read_byte_data(client, MAX6900_REG_RESERVED_READ); + if (reserved != 0x07) + return -ENODEV; + + rc = max6900_i2c_read_regs(client, regs); + if (rc < 0) + return rc; + + for (i = 0; i < MAX6900_REG_LEN; ++i) { + if (regs[i] & zero_mask[i]) + return -ENODEV; + } + + return 0; +} + +static int max6900_i2c_read_time(struct i2c_client *client, struct rtc_time *tm) +{ + int rc; + u8 regs[MAX6900_REG_LEN]; + + rc = max6900_i2c_read_regs(client, regs); + if (rc < 0) + return rc; + + tm->tm_sec = BCD2BIN(regs[MAX6900_REG_SC]); + tm->tm_min = BCD2BIN(regs[MAX6900_REG_MN]); + tm->tm_hour = BCD2BIN(regs[MAX6900_REG_HR] & 0x3f); + tm->tm_mday = BCD2BIN(regs[MAX6900_REG_DT]); + tm->tm_mon = BCD2BIN(regs[MAX6900_REG_MO]) - 1; + tm->tm_year = BCD2BIN(regs[MAX6900_REG_YR]) + 100; + tm->tm_wday = BCD2BIN(regs[MAX6900_REG_DW]); + + return 0; +} + +static int max6900_i2c_clear_write_protect(struct i2c_client *client) +{ + int rc; + rc = i2c_smbus_write_byte_data (client, MAX6900_REG_CONTROL_WRITE, 0); + if (rc < 0) { + dev_err(&client->dev, "%s: control register write failed\n", + __FUNCTION__); + return -EIO; + } + return 0; +} + +static int max6900_i2c_set_time(struct i2c_client *client, + struct rtc_time const *tm) +{ + u8 regs[MAX6900_REG_LEN]; + int rc; + + rc = max6900_i2c_clear_write_protect(client); + if (rc < 0) + return rc; + + regs[MAX6900_REG_SC] = BIN2BCD(tm->tm_sec); + regs[MAX6900_REG_MN] = BIN2BCD(tm->tm_min); + regs[MAX6900_REG_HR] = BIN2BCD(tm->tm_hour); + regs[MAX6900_REG_DT] = BIN2BCD(tm->tm_mday); + regs[MAX6900_REG_MO] = BIN2BCD(tm->tm_mon + 1); + regs[MAX6900_REG_YR] = BIN2BCD(tm->tm_year - 100); + regs[MAX6900_REG_DW] = BIN2BCD(tm->tm_wday); + regs[MAX6900_REG_CT] = MAX6900_REG_CT_WP; /* set write protect */ + + rc = max6900_i2c_write_regs(client, regs); + if (rc < 0) + return rc; + + return 0; +} + +static int max6900_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + return max6900_i2c_read_time(to_i2c_client(dev), tm); +} + +static int max6900_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + return max6900_i2c_set_time(to_i2c_client(dev), tm); +} + +static int max6900_attach_adapter(struct i2c_adapter *adapter) +{ + return i2c_probe(adapter, &addr_data, max6900_probe); +} + +static int max6900_detach_client(struct i2c_client *client) +{ + struct rtc_device *const rtc = i2c_get_clientdata(client); + + if (rtc) + rtc_device_unregister(rtc); + + return i2c_detach_client(client); +} + +static struct i2c_driver max6900_driver = { + .driver = { + .name = DRV_NAME, + }, + .id = I2C_DRIVERID_MAX6900, + .attach_adapter = max6900_attach_adapter, + .detach_client = max6900_detach_client, +}; + +static const struct rtc_class_ops max6900_rtc_ops = { + .read_time = max6900_rtc_read_time, + .set_time = max6900_rtc_set_time, +}; + +static int max6900_probe(struct i2c_adapter *adapter, int addr, int kind) +{ + int rc = 0; + struct i2c_client *client = NULL; + struct rtc_device *rtc = NULL; + + if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { + rc = -ENODEV; + goto failout; + } + + client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (client == NULL) { + rc = -ENOMEM; + goto failout; + } + + client->addr = addr; + client->adapter = adapter; + client->driver = &max6900_driver; + strlcpy(client->name, DRV_NAME, I2C_NAME_SIZE); + + if (kind < 0) { + rc = max6900_i2c_validate_client(client); + if (rc < 0) + goto failout; + } + + rc = i2c_attach_client(client); + if (rc < 0) + goto failout; + + dev_info(&client->dev, + "chip found, driver version " DRV_VERSION "\n"); + + rtc = rtc_device_register(max6900_driver.driver.name, + &client->dev, + &max6900_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) { + rc = PTR_ERR(rtc); + goto failout_detach; + } + + i2c_set_clientdata(client, rtc); + + return 0; + +failout_detach: + i2c_detach_client(client); +failout: + kfree(client); + return rc; +} + +static int __init max6900_init(void) +{ + return i2c_add_driver(&max6900_driver); +} + +static void __exit max6900_exit(void) +{ + i2c_del_driver(&max6900_driver); +} + +MODULE_DESCRIPTION("Maxim MAX6900 RTC driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); + +module_init(max6900_init); +module_exit(max6900_exit); diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 9de8d67f4f8..60a8a4bb8bd 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -124,7 +124,7 @@ static void rtc_wait_not_busy(void) /* now we have ~15 usec to read/write various registers */ } -static irqreturn_t rtc_irq(int irq, void *class_dev) +static irqreturn_t rtc_irq(int irq, void *rtc) { unsigned long events = 0; u8 irq_data; @@ -141,7 +141,7 @@ static irqreturn_t rtc_irq(int irq, void *class_dev) if (irq_data & OMAP_RTC_STATUS_1S_EVENT) events |= RTC_IRQF | RTC_UF; - rtc_update_irq(class_dev, 1, events); + rtc_update_irq(rtc, 1, events); return IRQ_HANDLED; } @@ -289,34 +289,6 @@ static int omap_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) { u8 reg; - /* Much userspace code uses RTC_ALM_SET, thus "don't care" for - * day/month/year specifies alarms up to 24 hours in the future. - * So we need to handle that ... but let's ignore the "don't care" - * values for hours/minutes/seconds. - */ - if (alm->time.tm_mday <= 0 - && alm->time.tm_mon < 0 - && alm->time.tm_year < 0) { - struct rtc_time tm; - unsigned long now, then; - - omap_rtc_read_time(dev, &tm); - rtc_tm_to_time(&tm, &now); - - alm->time.tm_mday = tm.tm_mday; - alm->time.tm_mon = tm.tm_mon; - alm->time.tm_year = tm.tm_year; - rtc_tm_to_time(&alm->time, &then); - - /* sometimes the alarm wraps into tomorrow */ - if (then < now) { - rtc_time_to_tm(now + 24 * 60 * 60, &tm); - alm->time.tm_mday = tm.tm_mday; - alm->time.tm_mon = tm.tm_mon; - alm->time.tm_year = tm.tm_year; - } - } - if (tm2bcd(&alm->time) < 0) return -EINVAL; @@ -399,7 +371,7 @@ static int __devinit omap_rtc_probe(struct platform_device *pdev) goto fail; } platform_set_drvdata(pdev, rtc); - class_set_devdata(&rtc->class_dev, mem); + dev_set_devdata(&rtc->dev, mem); /* clear pending irqs, and set 1/second periodic, * which we'll use instead of update irqs @@ -418,13 +390,13 @@ static int __devinit omap_rtc_probe(struct platform_device *pdev) /* handle periodic and alarm irqs */ if (request_irq(omap_rtc_timer, rtc_irq, IRQF_DISABLED, - rtc->class_dev.class_id, &rtc->class_dev)) { + rtc->dev.bus_id, rtc)) { pr_debug("%s: RTC timer interrupt IRQ%d already claimed\n", pdev->name, omap_rtc_timer); goto fail0; } if (request_irq(omap_rtc_alarm, rtc_irq, IRQF_DISABLED, - rtc->class_dev.class_id, &rtc->class_dev)) { + rtc->dev.bus_id, rtc)) { pr_debug("%s: RTC alarm interrupt IRQ%d already claimed\n", pdev->name, omap_rtc_alarm); goto fail1; @@ -481,26 +453,17 @@ static int __devexit omap_rtc_remove(struct platform_device *pdev) free_irq(omap_rtc_timer, rtc); free_irq(omap_rtc_alarm, rtc); - release_resource(class_get_devdata(&rtc->class_dev)); + release_resource(dev_get_devdata(&rtc->dev)); rtc_device_unregister(rtc); return 0; } #ifdef CONFIG_PM -static struct timespec rtc_delta; static u8 irqstat; static int omap_rtc_suspend(struct platform_device *pdev, pm_message_t state) { - struct rtc_time rtc_tm; - struct timespec time; - - time.tv_nsec = 0; - omap_rtc_read_time(NULL, &rtc_tm); - rtc_tm_to_time(&rtc_tm, &time.tv_sec); - - save_time_delta(&rtc_delta, &time); irqstat = rtc_read(OMAP_RTC_INTERRUPTS_REG); /* FIXME the RTC alarm is not currently acting as a wakeup event @@ -517,14 +480,6 @@ static int omap_rtc_suspend(struct platform_device *pdev, pm_message_t state) static int omap_rtc_resume(struct platform_device *pdev) { - struct rtc_time rtc_tm; - struct timespec time; - - time.tv_nsec = 0; - omap_rtc_read_time(NULL, &rtc_tm); - rtc_tm_to_time(&rtc_tm, &time.tv_sec); - - restore_time_delta(&rtc_delta, &time); if (device_may_wakeup(&pdev->dev)) disable_irq_wake(omap_rtc_alarm); else diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index f13daa9feca..e4bf68ca96f 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -51,7 +51,7 @@ static irqreturn_t pl031_interrupt(int irq, void *dev_id) { struct rtc_device *rtc = dev_id; - rtc_update_irq(&rtc->class_dev, 1, RTC_AF); + rtc_update_irq(rtc, 1, RTC_AF); return IRQ_HANDLED; } diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c index 1bd624fc685..8d300e6d0d9 100644 --- a/drivers/rtc/rtc-proc.c +++ b/drivers/rtc/rtc-proc.c @@ -16,18 +16,18 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> -static struct class_device *rtc_dev = NULL; -static DEFINE_MUTEX(rtc_lock); +#include "rtc-core.h" + static int rtc_proc_show(struct seq_file *seq, void *offset) { int err; - struct class_device *class_dev = seq->private; - const struct rtc_class_ops *ops = to_rtc_device(class_dev)->ops; + struct rtc_device *rtc = seq->private; + const struct rtc_class_ops *ops = rtc->ops; struct rtc_wkalrm alrm; struct rtc_time tm; - err = rtc_read_time(class_dev, &tm); + err = rtc_read_time(rtc, &tm); if (err == 0) { seq_printf(seq, "rtc_time\t: %02d:%02d:%02d\n" @@ -36,7 +36,7 @@ static int rtc_proc_show(struct seq_file *seq, void *offset) tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); } - err = rtc_read_alarm(class_dev, &alrm); + err = rtc_read_alarm(rtc, &alrm); if (err == 0) { seq_printf(seq, "alrm_time\t: "); if ((unsigned int)alrm.time.tm_hour <= 24) @@ -74,19 +74,19 @@ static int rtc_proc_show(struct seq_file *seq, void *offset) seq_printf(seq, "24hr\t\t: yes\n"); if (ops->proc) - ops->proc(class_dev->dev, seq); + ops->proc(rtc->dev.parent, seq); return 0; } static int rtc_proc_open(struct inode *inode, struct file *file) { - struct class_device *class_dev = PDE(inode)->data; + struct rtc_device *rtc = PDE(inode)->data; if (!try_module_get(THIS_MODULE)) return -ENODEV; - return single_open(file, rtc_proc_show, class_dev); + return single_open(file, rtc_proc_show, rtc); } static int rtc_proc_release(struct inode *inode, struct file *file) @@ -103,62 +103,22 @@ static const struct file_operations rtc_proc_fops = { .release = rtc_proc_release, }; -static int rtc_proc_add_device(struct class_device *class_dev, - struct class_interface *class_intf) +void rtc_proc_add_device(struct rtc_device *rtc) { - mutex_lock(&rtc_lock); - if (rtc_dev == NULL) { + if (rtc->id == 0) { struct proc_dir_entry *ent; - rtc_dev = class_dev; - ent = create_proc_entry("driver/rtc", 0, NULL); if (ent) { - struct rtc_device *rtc = to_rtc_device(class_dev); - ent->proc_fops = &rtc_proc_fops; ent->owner = rtc->owner; - ent->data = class_dev; - - dev_dbg(class_dev->dev, "rtc intf: proc\n"); + ent->data = rtc; } - else - rtc_dev = NULL; } - mutex_unlock(&rtc_lock); - - return 0; } -static void rtc_proc_remove_device(struct class_device *class_dev, - struct class_interface *class_intf) +void rtc_proc_del_device(struct rtc_device *rtc) { - mutex_lock(&rtc_lock); - if (rtc_dev == class_dev) { + if (rtc->id == 0) remove_proc_entry("driver/rtc", NULL); - rtc_dev = NULL; - } - mutex_unlock(&rtc_lock); -} - -static struct class_interface rtc_proc_interface = { - .add = &rtc_proc_add_device, - .remove = &rtc_proc_remove_device, -}; - -static int __init rtc_proc_init(void) -{ - return rtc_interface_register(&rtc_proc_interface); } - -static void __exit rtc_proc_exit(void) -{ - class_interface_unregister(&rtc_proc_interface); -} - -subsys_initcall(rtc_proc_init); -module_exit(rtc_proc_exit); - -MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -MODULE_DESCRIPTION("RTC class proc interface"); -MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-rs5c313.c b/drivers/rtc/rtc-rs5c313.c new file mode 100644 index 00000000000..9d6de371495 --- /dev/null +++ b/drivers/rtc/rtc-rs5c313.c @@ -0,0 +1,405 @@ +/* + * Ricoh RS5C313 RTC device/driver + * Copyright (C) 2007 Nobuhiro Iwamatsu + * + * 2005-09-19 modifed by kogiidena + * + * Based on the old drivers/char/rs5c313_rtc.c by: + * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> + * Copyright (C) 1999 Tetsuya Okada & Niibe Yutaka + * + * Based on code written by Paul Gortmaker. + * Copyright (C) 1996 Paul Gortmaker + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Based on other minimal char device drivers, like Alan's + * watchdog, Ted's random, etc. etc. + * + * 1.07 Paul Gortmaker. + * 1.08 Miquel van Smoorenburg: disallow certain things on the + * DEC Alpha as the CMOS clock is also used for other things. + * 1.09 Nikita Schmidt: epoch support and some Alpha cleanup. + * 1.09a Pete Zaitcev: Sun SPARC + * 1.09b Jeff Garzik: Modularize, init cleanup + * 1.09c Jeff Garzik: SMP cleanup + * 1.10 Paul Barton-Davis: add support for async I/O + * 1.10a Andrea Arcangeli: Alpha updates + * 1.10b Andrew Morton: SMP lock fix + * 1.10c Cesar Barros: SMP locking fixes and cleanup + * 1.10d Paul Gortmaker: delete paranoia check in rtc_exit + * 1.10e Maciej W. Rozycki: Handle DECstation's year weirdness. + * 1.11 Takashi Iwai: Kernel access functions + * rtc_register/rtc_unregister/rtc_control + * 1.11a Daniele Bellucci: Audit create_proc_read_entry in rtc_init + * 1.12 Venkatesh Pallipadi: Hooks for emulating rtc on HPET base-timer + * CONFIG_HPET_EMULATE_RTC + * 1.13 Nobuhiro Iwamatsu: Updata driver. + */ + +#include <linux/module.h> +#include <linux/err.h> +#include <linux/rtc.h> +#include <linux/platform_device.h> +#include <linux/bcd.h> +#include <linux/delay.h> +#include <asm/io.h> + +#define DRV_NAME "rs5c313" +#define DRV_VERSION "1.13" + +#ifdef CONFIG_SH_LANDISK +/*****************************************************/ +/* LANDISK dependence part of RS5C313 */ +/*****************************************************/ + +#define SCSMR1 0xFFE00000 +#define SCSCR1 0xFFE00008 +#define SCSMR1_CA 0x80 +#define SCSCR1_CKE 0x03 +#define SCSPTR1 0xFFE0001C +#define SCSPTR1_EIO 0x80 +#define SCSPTR1_SPB1IO 0x08 +#define SCSPTR1_SPB1DT 0x04 +#define SCSPTR1_SPB0IO 0x02 +#define SCSPTR1_SPB0DT 0x01 + +#define SDA_OEN SCSPTR1_SPB1IO +#define SDA SCSPTR1_SPB1DT +#define SCL_OEN SCSPTR1_SPB0IO +#define SCL SCSPTR1_SPB0DT + +/* RICOH RS5C313 CE port */ +#define RS5C313_CE 0xB0000003 + +/* RICOH RS5C313 CE port bit */ +#define RS5C313_CE_RTCCE 0x02 + +/* SCSPTR1 data */ +unsigned char scsptr1_data; + +#define RS5C313_CEENABLE ctrl_outb(RS5C313_CE_RTCCE, RS5C313_CE); +#define RS5C313_CEDISABLE ctrl_outb(0x00, RS5C313_CE) +#define RS5C313_MISCOP ctrl_outb(0x02, 0xB0000008) + +static void rs5c313_init_port(void) +{ + /* Set SCK as I/O port and Initialize SCSPTR1 data & I/O port. */ + ctrl_outb(ctrl_inb(SCSMR1) & ~SCSMR1_CA, SCSMR1); + ctrl_outb(ctrl_inb(SCSCR1) & ~SCSCR1_CKE, SCSCR1); + + /* And Initialize SCL for RS5C313 clock */ + scsptr1_data = ctrl_inb(SCSPTR1) | SCL; /* SCL:H */ + ctrl_outb(scsptr1_data, SCSPTR1); + scsptr1_data = ctrl_inb(SCSPTR1) | SCL_OEN; /* SCL output enable */ + ctrl_outb(scsptr1_data, SCSPTR1); + RS5C313_CEDISABLE; /* CE:L */ +} + +static void rs5c313_write_data(unsigned char data) +{ + int i; + + for (i = 0; i < 8; i++) { + /* SDA:Write Data */ + scsptr1_data = (scsptr1_data & ~SDA) | + ((((0x80 >> i) & data) >> (7 - i)) << 2); + ctrl_outb(scsptr1_data, SCSPTR1); + if (i == 0) { + scsptr1_data |= SDA_OEN; /* SDA:output enable */ + ctrl_outb(scsptr1_data, SCSPTR1); + } + ndelay(700); + scsptr1_data &= ~SCL; /* SCL:L */ + ctrl_outb(scsptr1_data, SCSPTR1); + ndelay(700); + scsptr1_data |= SCL; /* SCL:H */ + ctrl_outb(scsptr1_data, SCSPTR1); + } + + scsptr1_data &= ~SDA_OEN; /* SDA:output disable */ + ctrl_outb(scsptr1_data, SCSPTR1); +} + +static unsigned char rs5c313_read_data(void) +{ + int i; + unsigned char data; + + for (i = 0; i < 8; i++) { + ndelay(700); + /* SDA:Read Data */ + data |= ((ctrl_inb(SCSPTR1) & SDA) >> 2) << (7 - i); + scsptr1_data &= ~SCL; /* SCL:L */ + ctrl_outb(scsptr1_data, SCSPTR1); + ndelay(700); + scsptr1_data |= SCL; /* SCL:H */ + ctrl_outb(scsptr1_data, SCSPTR1); + } + return data & 0x0F; +} + +#endif /* CONFIG_SH_LANDISK */ + +/*****************************************************/ +/* machine independence part of RS5C313 */ +/*****************************************************/ + +/* RICOH RS5C313 address */ +#define RS5C313_ADDR_SEC 0x00 +#define RS5C313_ADDR_SEC10 0x01 +#define RS5C313_ADDR_MIN 0x02 +#define RS5C313_ADDR_MIN10 0x03 +#define RS5C313_ADDR_HOUR 0x04 +#define RS5C313_ADDR_HOUR10 0x05 +#define RS5C313_ADDR_WEEK 0x06 +#define RS5C313_ADDR_INTINTVREG 0x07 +#define RS5C313_ADDR_DAY 0x08 +#define RS5C313_ADDR_DAY10 0x09 +#define RS5C313_ADDR_MON 0x0A +#define RS5C313_ADDR_MON10 0x0B +#define RS5C313_ADDR_YEAR 0x0C +#define RS5C313_ADDR_YEAR10 0x0D +#define RS5C313_ADDR_CNTREG 0x0E +#define RS5C313_ADDR_TESTREG 0x0F + +/* RICOH RS5C313 control register */ +#define RS5C313_CNTREG_ADJ_BSY 0x01 +#define RS5C313_CNTREG_WTEN_XSTP 0x02 +#define RS5C313_CNTREG_12_24 0x04 +#define RS5C313_CNTREG_CTFG 0x08 + +/* RICOH RS5C313 test register */ +#define RS5C313_TESTREG_TEST 0x01 + +/* RICOH RS5C313 control bit */ +#define RS5C313_CNTBIT_READ 0x40 +#define RS5C313_CNTBIT_AD 0x20 +#define RS5C313_CNTBIT_DT 0x10 + +static unsigned char rs5c313_read_reg(unsigned char addr) +{ + + rs5c313_write_data(addr | RS5C313_CNTBIT_READ | RS5C313_CNTBIT_AD); + return rs5c313_read_data(); +} + +static void rs5c313_write_reg(unsigned char addr, unsigned char data) +{ + data &= 0x0f; + rs5c313_write_data(addr | RS5C313_CNTBIT_AD); + rs5c313_write_data(data | RS5C313_CNTBIT_DT); + return; +} + +static inline unsigned char rs5c313_read_cntreg(unsigned char addr) +{ + return rs5c313_read_reg(RS5C313_ADDR_CNTREG); +} + +static inline void rs5c313_write_cntreg(unsigned char data) +{ + rs5c313_write_reg(RS5C313_ADDR_CNTREG, data); +} + +static inline void rs5c313_write_intintvreg(unsigned char data) +{ + rs5c313_write_reg(RS5C313_ADDR_INTINTVREG, data); +} + +static int rs5c313_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + int data; + + while (1) { + RS5C313_CEENABLE; /* CE:H */ + + /* Initialize control reg. 24 hour */ + rs5c313_write_cntreg(0x04); + + if (!(rs5c313_read_cntreg() & RS5C313_CNTREG_ADJ_BSY)) + break; + + RS5C313_CEDISABLE; + ndelay(700); /* CE:L */ + + } + + data = rs5c313_read_reg(RS5C313_ADDR_SEC); + data |= (rs5c313_read_reg(RS5C313_ADDR_SEC10) << 4); + tm->tm_sec = BCD2BIN(data); + + data = rs5c313_read_reg(RS5C313_ADDR_MIN); + data |= (rs5c313_read_reg(RS5C313_ADDR_MIN10) << 4); + tm->tm_min = BCD2BIN(data); + + data = rs5c313_read_reg(RS5C313_ADDR_HOUR); + data |= (rs5c313_read_reg(RS5C313_ADDR_HOUR10) << 4); + tm->tm_hour = BCD2BIN(data); + + data = rs5c313_read_reg(RS5C313_ADDR_DAY); + data |= (rs5c313_read_reg(RS5C313_ADDR_DAY10) << 4); + tm->tm_mday = BCD2BIN(data); + + data = rs5c313_read_reg(RS5C313_ADDR_MON); + data |= (rs5c313_read_reg(RS5C313_ADDR_MON10) << 4); + tm->tm_mon = BCD2BIN(data) - 1; + + data = rs5c313_read_reg(RS5C313_ADDR_YEAR); + data |= (rs5c313_read_reg(RS5C313_ADDR_YEAR10) << 4); + tm->tm_year = BCD2BIN(data); + + if (tm->tm_year < 70) + tm->tm_year += 100; + + data = rs5c313_read_reg(RS5C313_ADDR_WEEK); + tm->tm_wday = BCD2BIN(data); + + RS5C313_CEDISABLE; + ndelay(700); /* CE:L */ + + return 0; +} + +static int rs5c313_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + int data; + + /* busy check. */ + while (1) { + RS5C313_CEENABLE; /* CE:H */ + + /* Initiatlize control reg. 24 hour */ + rs5c313_write_cntreg(0x04); + + if (!(rs5c313_read_cntreg() & RS5C313_CNTREG_ADJ_BSY)) + break; + RS5C313_MISCOP; + RS5C313_CEDISABLE; + ndelay(700); /* CE:L */ + } + + data = BIN2BCD(tm->tm_sec); + rs5c313_write_reg(RS5C313_ADDR_SEC, data); + rs5c313_write_reg(RS5C313_ADDR_SEC10, (data >> 4)); + + data = BIN2BCD(tm->tm_min); + rs5c313_write_reg(RS5C313_ADDR_MIN, data ); + rs5c313_write_reg(RS5C313_ADDR_MIN10, (data >> 4)); + + data = BIN2BCD(tm->tm_hour); + rs5c313_write_reg(RS5C313_ADDR_HOUR, data); + rs5c313_write_reg(RS5C313_ADDR_HOUR10, (data >> 4)); + + data = BIN2BCD(tm->tm_mday); + rs5c313_write_reg(RS5C313_ADDR_DAY, data); + rs5c313_write_reg(RS5C313_ADDR_DAY10, (data>> 4)); + + data = BIN2BCD(tm->tm_mon + 1); + rs5c313_write_reg(RS5C313_ADDR_MON, data); + rs5c313_write_reg(RS5C313_ADDR_MON10, (data >> 4)); + + data = BIN2BCD(tm->tm_year % 100); + rs5c313_write_reg(RS5C313_ADDR_YEAR, data); + rs5c313_write_reg(RS5C313_ADDR_YEAR10, (data >> 4)); + + data = BIN2BCD(tm->tm_wday); + rs5c313_write_reg(RS5C313_ADDR_WEEK, data); + + RS5C313_CEDISABLE; /* CE:H */ + ndelay(700); + + return 0; +} + +static void rs5c313_check_xstp_bit(void) +{ + struct rtc_time tm; + + RS5C313_CEENABLE; /* CE:H */ + if (rs5c313_read_cntreg() & RS5C313_CNTREG_WTEN_XSTP) { + /* INT interval reg. OFF */ + rs5c313_write_intintvreg(0x00); + /* Initialize control reg. 24 hour & adjust */ + rs5c313_write_cntreg(0x07); + + /* busy check. */ + while (rs5c313_read_cntreg() & RS5C313_CNTREG_ADJ_BSY) + RS5C313_MISCOP; + + memset(&tm, 0, sizeof(struct rtc_time)); + tm.tm_mday = 1; + tm.tm_mon = 1; + + rs5c313_rtc_set_time(NULL, &tm); + printk(KERN_ERR "RICHO RS5C313: invalid value, resetting to " + "1 Jan 2000\n"); + } + RS5C313_CEDISABLE; + ndelay(700); /* CE:L */ +} + +static const struct rtc_class_ops rs5c313_rtc_ops = { + .read_time = rs5c313_rtc_read_time, + .set_time = rs5c313_rtc_set_time, +}; + +static int rs5c313_rtc_probe(struct platform_device *pdev) +{ + struct rtc_device *rtc = rtc_device_register("rs5c313", &pdev->dev, + &rs5c313_rtc_ops, THIS_MODULE); + + if (IS_ERR(rtc)) + return PTR_ERR(rtc); + + platform_set_drvdata(pdev, rtc); + + return err; +} + +static int __devexit rs5c313_rtc_remove(struct platform_device *pdev) +{ + struct rtc_device *rtc = platform_get_drvdata( pdev ); + + rtc_device_unregister(rtc); + + return 0; +} + +static struct platform_driver rs5c313_rtc_platform_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .probe = rs5c313_rtc_probe, + .remove = __devexit_p( rs5c313_rtc_remove ), +}; + +static int __init rs5c313_rtc_init(void) +{ + int err; + + err = platform_driver_register(&rs5c313_rtc_platform_driver); + if (err) + return err; + + rs5c313_init_port(); + rs5c313_check_xstp_bit(); + + return 0; +} + +static void __exit rs5c313_rtc_exit(void) +{ + platform_driver_unregister( &rs5c313_rtc_platform_driver ); +} + +module_init(rs5c313_rtc_init); +module_exit(rs5c313_rtc_exit); + +MODULE_VERSION(DRV_VERSION); +MODULE_AUTHOR("kogiidena , Nobuhiro Iwamatsu <iwamatsu@nigauri.org>"); +MODULE_DESCRIPTION("Ricoh RS5C313 RTC device driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 9a79a24a748..54b61305346 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -50,7 +50,7 @@ static irqreturn_t s3c_rtc_alarmirq(int irq, void *id) { struct rtc_device *rdev = id; - rtc_update_irq(&rdev->class_dev, 1, RTC_AF | RTC_IRQF); + rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF); return IRQ_HANDLED; } @@ -58,7 +58,7 @@ static irqreturn_t s3c_rtc_tickirq(int irq, void *id) { struct rtc_device *rdev = id; - rtc_update_irq(&rdev->class_dev, tick_count++, RTC_PF | RTC_IRQF); + rtc_update_irq(rdev, tick_count++, RTC_PF | RTC_IRQF); return IRQ_HANDLED; } @@ -548,37 +548,15 @@ static int ticnt_save; static int s3c_rtc_suspend(struct platform_device *pdev, pm_message_t state) { - struct rtc_time tm; - struct timespec time; - - time.tv_nsec = 0; - /* save TICNT for anyone using periodic interrupts */ - ticnt_save = readb(s3c_rtc_base + S3C2410_TICNT); - - /* calculate time delta for suspend */ - - s3c_rtc_gettime(&pdev->dev, &tm); - rtc_tm_to_time(&tm, &time.tv_sec); - save_time_delta(&s3c_rtc_delta, &time); s3c_rtc_enable(pdev, 0); - return 0; } static int s3c_rtc_resume(struct platform_device *pdev) { - struct rtc_time tm; - struct timespec time; - - time.tv_nsec = 0; - s3c_rtc_enable(pdev, 1); - s3c_rtc_gettime(&pdev->dev, &tm); - rtc_tm_to_time(&tm, &time.tv_sec); - restore_time_delta(&s3c_rtc_delta, &time); - writeb(ticnt_save, s3c_rtc_base + S3C2410_TICNT); return 0; } diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index 677bae820dc..0918b787c4d 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -93,7 +93,7 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) if (rtsr & RTSR_HZ) events |= RTC_UF | RTC_IRQF; - rtc_update_irq(&rtc->class_dev, 1, events); + rtc_update_irq(rtc, 1, events); if (rtsr & RTSR_AL && rtc_periodic_alarm(&rtc_alarm)) rtc_update_alarm(&rtc_alarm); @@ -119,7 +119,7 @@ static irqreturn_t timer1_interrupt(int irq, void *dev_id) */ OSSR = OSSR_M1; /* clear match on timer1 */ - rtc_update_irq(&rtc->class_dev, rtc_timer1_count, RTC_PF | RTC_IRQF); + rtc_update_irq(rtc, rtc_timer1_count, RTC_PF | RTC_IRQF); if (rtc_timer1_count == 1) rtc_timer1_count = (rtc_freq * ((1<<30)/(TIMER_FREQ>>2))); diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index 198b9f22fbf..6abf4811958 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -104,7 +104,7 @@ static irqreturn_t sh_rtc_interrupt(int irq, void *dev_id) writeb(tmp, rtc->regbase + RCR1); - rtc_update_irq(&rtc->rtc_dev->class_dev, 1, events); + rtc_update_irq(&rtc->rtc_dev, 1, events); spin_unlock(&rtc->lock); @@ -139,7 +139,7 @@ static irqreturn_t sh_rtc_alarm(int irq, void *dev_id) rtc->rearm_aie = 1; - rtc_update_irq(&rtc->rtc_dev->class_dev, 1, events); + rtc_update_irq(&rtc->rtc_dev, 1, events); } spin_unlock(&rtc->lock); @@ -153,7 +153,7 @@ static irqreturn_t sh_rtc_periodic(int irq, void *dev_id) spin_lock(&rtc->lock); - rtc_update_irq(&rtc->rtc_dev->class_dev, 1, RTC_PF | RTC_IRQF); + rtc_update_irq(&rtc->rtc_dev, 1, RTC_PF | RTC_IRQF); spin_unlock(&rtc->lock); diff --git a/drivers/rtc/rtc-sysfs.c b/drivers/rtc/rtc-sysfs.c index 899ab8c514f..69df94b4484 100644 --- a/drivers/rtc/rtc-sysfs.c +++ b/drivers/rtc/rtc-sysfs.c @@ -12,20 +12,26 @@ #include <linux/module.h> #include <linux/rtc.h> +#include "rtc-core.h" + + /* device attributes */ -static ssize_t rtc_sysfs_show_name(struct class_device *dev, char *buf) +static ssize_t +rtc_sysfs_show_name(struct device *dev, struct device_attribute *attr, + char *buf) { return sprintf(buf, "%s\n", to_rtc_device(dev)->name); } -static CLASS_DEVICE_ATTR(name, S_IRUGO, rtc_sysfs_show_name, NULL); -static ssize_t rtc_sysfs_show_date(struct class_device *dev, char *buf) +static ssize_t +rtc_sysfs_show_date(struct device *dev, struct device_attribute *attr, + char *buf) { ssize_t retval; struct rtc_time tm; - retval = rtc_read_time(dev, &tm); + retval = rtc_read_time(to_rtc_device(dev), &tm); if (retval == 0) { retval = sprintf(buf, "%04d-%02d-%02d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); @@ -33,14 +39,15 @@ static ssize_t rtc_sysfs_show_date(struct class_device *dev, char *buf) return retval; } -static CLASS_DEVICE_ATTR(date, S_IRUGO, rtc_sysfs_show_date, NULL); -static ssize_t rtc_sysfs_show_time(struct class_device *dev, char *buf) +static ssize_t +rtc_sysfs_show_time(struct device *dev, struct device_attribute *attr, + char *buf) { ssize_t retval; struct rtc_time tm; - retval = rtc_read_time(dev, &tm); + retval = rtc_read_time(to_rtc_device(dev), &tm); if (retval == 0) { retval = sprintf(buf, "%02d:%02d:%02d\n", tm.tm_hour, tm.tm_min, tm.tm_sec); @@ -48,14 +55,15 @@ static ssize_t rtc_sysfs_show_time(struct class_device *dev, char *buf) return retval; } -static CLASS_DEVICE_ATTR(time, S_IRUGO, rtc_sysfs_show_time, NULL); -static ssize_t rtc_sysfs_show_since_epoch(struct class_device *dev, char *buf) +static ssize_t +rtc_sysfs_show_since_epoch(struct device *dev, struct device_attribute *attr, + char *buf) { ssize_t retval; struct rtc_time tm; - retval = rtc_read_time(dev, &tm); + retval = rtc_read_time(to_rtc_device(dev), &tm); if (retval == 0) { unsigned long time; rtc_tm_to_time(&tm, &time); @@ -64,23 +72,18 @@ static ssize_t rtc_sysfs_show_since_epoch(struct class_device *dev, char *buf) return retval; } -static CLASS_DEVICE_ATTR(since_epoch, S_IRUGO, rtc_sysfs_show_since_epoch, NULL); - -static struct attribute *rtc_attrs[] = { - &class_device_attr_name.attr, - &class_device_attr_date.attr, - &class_device_attr_time.attr, - &class_device_attr_since_epoch.attr, - NULL, -}; -static struct attribute_group rtc_attr_group = { - .attrs = rtc_attrs, +static struct device_attribute rtc_attrs[] = { + __ATTR(name, S_IRUGO, rtc_sysfs_show_name, NULL), + __ATTR(date, S_IRUGO, rtc_sysfs_show_date, NULL), + __ATTR(time, S_IRUGO, rtc_sysfs_show_time, NULL), + __ATTR(since_epoch, S_IRUGO, rtc_sysfs_show_since_epoch, NULL), + { }, }; - static ssize_t -rtc_sysfs_show_wakealarm(struct class_device *dev, char *buf) +rtc_sysfs_show_wakealarm(struct device *dev, struct device_attribute *attr, + char *buf) { ssize_t retval; unsigned long alarm; @@ -94,7 +97,7 @@ rtc_sysfs_show_wakealarm(struct class_device *dev, char *buf) * REVISIT maybe we should require RTC implementations to * disable the RTC alarm after it triggers, for uniformity. */ - retval = rtc_read_alarm(dev, &alm); + retval = rtc_read_alarm(to_rtc_device(dev), &alm); if (retval == 0 && alm.enabled) { rtc_tm_to_time(&alm.time, &alarm); retval = sprintf(buf, "%lu\n", alarm); @@ -104,16 +107,18 @@ rtc_sysfs_show_wakealarm(struct class_device *dev, char *buf) } static ssize_t -rtc_sysfs_set_wakealarm(struct class_device *dev, const char *buf, size_t n) +rtc_sysfs_set_wakealarm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t n) { ssize_t retval; unsigned long now, alarm; struct rtc_wkalrm alm; + struct rtc_device *rtc = to_rtc_device(dev); /* Only request alarms that trigger in the future. Disable them * by writing another time, e.g. 0 meaning Jan 1 1970 UTC. */ - retval = rtc_read_time(dev, &alm.time); + retval = rtc_read_time(rtc, &alm.time); if (retval < 0) return retval; rtc_tm_to_time(&alm.time, &now); @@ -124,7 +129,7 @@ rtc_sysfs_set_wakealarm(struct class_device *dev, const char *buf, size_t n) * entirely prevent that here, without even the minimal * locking from the /dev/rtcN api. */ - retval = rtc_read_alarm(dev, &alm); + retval = rtc_read_alarm(rtc, &alm); if (retval < 0) return retval; if (alm.enabled) @@ -141,10 +146,10 @@ rtc_sysfs_set_wakealarm(struct class_device *dev, const char *buf, size_t n) } rtc_time_to_tm(alarm, &alm.time); - retval = rtc_set_alarm(dev, &alm); + retval = rtc_set_alarm(rtc, &alm); return (retval < 0) ? retval : n; } -static const CLASS_DEVICE_ATTR(wakealarm, S_IRUGO | S_IWUSR, +static DEVICE_ATTR(wakealarm, S_IRUGO | S_IWUSR, rtc_sysfs_show_wakealarm, rtc_sysfs_set_wakealarm); @@ -153,71 +158,37 @@ static const CLASS_DEVICE_ATTR(wakealarm, S_IRUGO | S_IWUSR, * suspend-to-disk. So: no attribute unless that side effect is possible. * (Userspace may disable that mechanism later.) */ -static inline int rtc_does_wakealarm(struct class_device *class_dev) +static inline int rtc_does_wakealarm(struct rtc_device *rtc) { - struct rtc_device *rtc; - - if (!device_can_wakeup(class_dev->dev)) + if (!device_can_wakeup(rtc->dev.parent)) return 0; - rtc = to_rtc_device(class_dev); return rtc->ops->set_alarm != NULL; } -static int rtc_sysfs_add_device(struct class_device *class_dev, - struct class_interface *class_intf) +void rtc_sysfs_add_device(struct rtc_device *rtc) { int err; - dev_dbg(class_dev->dev, "rtc intf: sysfs\n"); + /* not all RTCs support both alarms and wakeup */ + if (!rtc_does_wakealarm(rtc)) + return; - err = sysfs_create_group(&class_dev->kobj, &rtc_attr_group); + err = device_create_file(&rtc->dev, &dev_attr_wakealarm); if (err) - dev_err(class_dev->dev, "failed to create %s\n", - "sysfs attributes"); - else if (rtc_does_wakealarm(class_dev)) { - /* not all RTCs support both alarms and wakeup */ - err = class_device_create_file(class_dev, - &class_device_attr_wakealarm); - if (err) { - dev_err(class_dev->dev, "failed to create %s\n", - "alarm attribute"); - sysfs_remove_group(&class_dev->kobj, &rtc_attr_group); - } - } - - return err; + dev_err(rtc->dev.parent, "failed to create " + "alarm attribute, %d", + err); } -static void rtc_sysfs_remove_device(struct class_device *class_dev, - struct class_interface *class_intf) +void rtc_sysfs_del_device(struct rtc_device *rtc) { - if (rtc_does_wakealarm(class_dev)) - class_device_remove_file(class_dev, - &class_device_attr_wakealarm); - sysfs_remove_group(&class_dev->kobj, &rtc_attr_group); + /* REVISIT did we add it successfully? */ + if (rtc_does_wakealarm(rtc)) + device_remove_file(&rtc->dev, &dev_attr_wakealarm); } -/* interface registration */ - -static struct class_interface rtc_sysfs_interface = { - .add = &rtc_sysfs_add_device, - .remove = &rtc_sysfs_remove_device, -}; - -static int __init rtc_sysfs_init(void) +void __init rtc_sysfs_init(struct class *rtc_class) { - return rtc_interface_register(&rtc_sysfs_interface); + rtc_class->dev_attrs = rtc_attrs; } - -static void __exit rtc_sysfs_exit(void) -{ - class_interface_unregister(&rtc_sysfs_interface); -} - -subsys_initcall(rtc_sysfs_init); -module_exit(rtc_sysfs_exit); - -MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -MODULE_DESCRIPTION("RTC class sysfs interface"); -MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c index f50a1b8e160..254c9fce27d 100644 --- a/drivers/rtc/rtc-test.c +++ b/drivers/rtc/rtc-test.c @@ -101,11 +101,11 @@ static ssize_t test_irq_store(struct device *dev, retval = count; local_irq_disable(); if (strncmp(buf, "tick", 4) == 0) - rtc_update_irq(&rtc->class_dev, 1, RTC_PF | RTC_IRQF); + rtc_update_irq(rtc, 1, RTC_PF | RTC_IRQF); else if (strncmp(buf, "alarm", 5) == 0) - rtc_update_irq(&rtc->class_dev, 1, RTC_AF | RTC_IRQF); + rtc_update_irq(rtc, 1, RTC_AF | RTC_IRQF); else if (strncmp(buf, "update", 6) == 0) - rtc_update_irq(&rtc->class_dev, 1, RTC_UF | RTC_IRQF); + rtc_update_irq(rtc, 1, RTC_UF | RTC_IRQF); else retval = -EINVAL; local_irq_enable(); diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c index e40322b7193..af7596ef29e 100644 --- a/drivers/rtc/rtc-vr41xx.c +++ b/drivers/rtc/rtc-vr41xx.c @@ -97,6 +97,7 @@ static DEFINE_SPINLOCK(rtc_lock); static char rtc_name[] = "RTC"; static unsigned long periodic_frequency; static unsigned long periodic_count; +static unsigned int alarm_enabled; struct resource rtc_resource[2] = { { .name = rtc_name, @@ -188,6 +189,7 @@ static int vr41xx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *wkalrm) low = rtc1_read(ECMPLREG); mid = rtc1_read(ECMPMREG); high = rtc1_read(ECMPHREG); + wkalrm->enabled = alarm_enabled; spin_unlock_irq(&rtc_lock); @@ -206,10 +208,18 @@ static int vr41xx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm) spin_lock_irq(&rtc_lock); + if (alarm_enabled) + disable_irq(ELAPSEDTIME_IRQ); + rtc1_write(ECMPLREG, (uint16_t)(alarm_sec << 15)); rtc1_write(ECMPMREG, (uint16_t)(alarm_sec >> 1)); rtc1_write(ECMPHREG, (uint16_t)(alarm_sec >> 17)); + if (wkalrm->enabled) + enable_irq(ELAPSEDTIME_IRQ); + + alarm_enabled = wkalrm->enabled; + spin_unlock_irq(&rtc_lock); return 0; @@ -221,10 +231,24 @@ static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long switch (cmd) { case RTC_AIE_ON: - enable_irq(ELAPSEDTIME_IRQ); + spin_lock_irq(&rtc_lock); + + if (!alarm_enabled) { + enable_irq(ELAPSEDTIME_IRQ); + alarm_enabled = 1; + } + + spin_unlock_irq(&rtc_lock); break; case RTC_AIE_OFF: - disable_irq(ELAPSEDTIME_IRQ); + spin_lock_irq(&rtc_lock); + + if (alarm_enabled) { + disable_irq(ELAPSEDTIME_IRQ); + alarm_enabled = 0; + } + + spin_unlock_irq(&rtc_lock); break; case RTC_PIE_ON: enable_irq(RTCLONG1_IRQ); @@ -275,7 +299,7 @@ static irqreturn_t elapsedtime_interrupt(int irq, void *dev_id) rtc2_write(RTCINTREG, ELAPSEDTIME_INT); - rtc_update_irq(&rtc->class_dev, 1, RTC_AF); + rtc_update_irq(rtc, 1, RTC_AF); return IRQ_HANDLED; } @@ -291,7 +315,7 @@ static irqreturn_t rtclong1_interrupt(int irq, void *dev_id) rtc1_write(RTCL1LREG, count); rtc1_write(RTCL1HREG, count >> 16); - rtc_update_irq(&rtc->class_dev, 1, RTC_PF); + rtc_update_irq(rtc, 1, RTC_PF); return IRQ_HANDLED; } diff --git a/drivers/sbus/char/bpp.c b/drivers/sbus/char/bpp.c index a39ee80c971..74b999d77bb 100644 --- a/drivers/sbus/char/bpp.c +++ b/drivers/sbus/char/bpp.c @@ -15,7 +15,6 @@ #include <linux/fs.h> #include <linux/errno.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/timer.h> #include <linux/ioport.h> diff --git a/drivers/sbus/char/rtc.c b/drivers/sbus/char/rtc.c index 94d18582911..18d18f1a114 100644 --- a/drivers/sbus/char/rtc.c +++ b/drivers/sbus/char/rtc.c @@ -19,7 +19,6 @@ #include <linux/fcntl.h> #include <linux/poll.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <asm/io.h> #include <asm/mostek.h> #include <asm/system.h> diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c index c3135e2fbd5..6afc7e5df0d 100644 --- a/drivers/sbus/char/vfc_dev.c +++ b/drivers/sbus/char/vfc_dev.c @@ -20,7 +20,6 @@ #include <linux/slab.h> #include <linux/errno.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/spinlock.h> #include <linux/mm.h> diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.h b/drivers/scsi/aic7xxx/aic79xx_osm.h index 9218f29314f..ad9761b237d 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.h +++ b/drivers/scsi/aic7xxx/aic79xx_osm.h @@ -47,7 +47,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/pci.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/module.h> #include <linux/slab.h> diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h index 85ae5d836fa..8fee7edc6eb 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.h +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h @@ -64,7 +64,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/pci.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/module.h> #include <linux/slab.h> diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index f7b9dbd64a9..fb6433a5698 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -55,7 +55,6 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Driver"); #include <linux/sched.h> #include <linux/reboot.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/dma-mapping.h> #include <linux/timer.h> diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c index 6d223dd7644..8ba7dd09d01 100644 --- a/drivers/scsi/ibmvscsi/ibmvstgt.c +++ b/drivers/scsi/ibmvscsi/ibmvstgt.c @@ -892,16 +892,16 @@ static int get_system_info(void) if (!rootdn) return -ENOENT; - model = get_property(rootdn, "model", NULL); - id = get_property(rootdn, "system-id", NULL); + model = of_get_property(rootdn, "model", NULL); + id = of_get_property(rootdn, "system-id", NULL); if (model && id) snprintf(system_id, sizeof(system_id), "%s-%s", model, id); - name = get_property(rootdn, "ibm,partition-name", NULL); + name = of_get_property(rootdn, "ibm,partition-name", NULL); if (name) strncpy(partition_name, name, sizeof(partition_name)); - num = get_property(rootdn, "ibm,partition-no", NULL); + num = of_get_property(rootdn, "ibm,partition-no", NULL); if (num) partition_number = *num; diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c index 0a533f398f5..d8700aaa611 100644 --- a/drivers/scsi/ibmvscsi/rpa_vscsi.c +++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c @@ -162,11 +162,11 @@ static void gather_partition_info(void) return; } - ppartition_name = get_property(rootdn, "ibm,partition-name", NULL); + ppartition_name = of_get_property(rootdn, "ibm,partition-name", NULL); if (ppartition_name) strncpy(partition_name, ppartition_name, sizeof(partition_name)); - p_number_ptr = get_property(rootdn, "ibm,partition-no", NULL); + p_number_ptr = of_get_property(rootdn, "ibm,partition-no", NULL); if (p_number_ptr) partition_number = *p_number_ptr; of_node_put(rootdn); diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index 753d88306cd..5806ede120a 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -471,7 +471,7 @@ static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *mat goto out_free; } - clkprop = get_property(node, "clock-frequency", &proplen); + clkprop = of_get_property(node, "clock-frequency", &proplen); if (clkprop == NULL || proplen != sizeof(int)) { printk(KERN_ERR "%s: can't get clock frequency, " "assuming 25MHz\n", node->full_name); diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index 1fd3c7590d3..cf3666d7d97 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -1947,7 +1947,7 @@ static int mesh_probe(struct macio_dev *mdev, const struct of_device_id *match) ms->tgts[tgt].current_req = NULL; } - if ((cfp = get_property(mesh, "clock-frequency", NULL))) + if ((cfp = of_get_property(mesh, "clock-frequency", NULL))) ms->clk_freq = *cfp; else { printk(KERN_INFO "mesh: assuming 50MHz clock frequency\n"); diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 3e2930b7ee2..06229f225ee 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -36,7 +36,6 @@ #include <linux/fs.h> #include <linux/init.h> #include <linux/proc_fs.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/moduleparam.h> diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 570977cf9ef..0c691a60a75 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -41,7 +41,6 @@ static int sg_version_num = 30534; /* 2 digits for each component */ #include <linux/fcntl.h> #include <linux/init.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include <linux/moduleparam.h> #include <linux/cdev.h> #include <linux/seq_file.h> diff --git a/drivers/scsi/sni_53c710.c b/drivers/scsi/sni_53c710.c index 6bc50511584..a7dfb65fb84 100644 --- a/drivers/scsi/sni_53c710.c +++ b/drivers/scsi/sni_53c710.c @@ -98,7 +98,7 @@ static int __init snirm710_probe(struct platform_device *dev) host->this_id = 7; host->base = base; host->irq = platform_get_irq(dev, 0); - if(request_irq(host->irq, NCR_700_intr, SA_SHIRQ, "snirm710", host)) { + if(request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "snirm710", host)) { printk(KERN_ERR "snirm710: request_irq failed!\n"); goto out_put_host; } diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index c9832d963f1..48e259a0167 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -994,7 +994,6 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) * be frobbing the chips IRQ enable register to see if it exists. */ spin_lock_irqsave(&up->port.lock, flags); -// save_flags(flags); cli(); up->capabilities = 0; up->bugs = 0; @@ -1151,7 +1150,6 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) out: spin_unlock_irqrestore(&up->port.lock, flags); -// restore_flags(flags); DEBUG_AUTOCONF("type=%s\n", uart_config[up->port.type].name); } diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 924e9bd757f..e8efe938c4e 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -73,17 +73,21 @@ config SERIAL_8250_PCI depends on SERIAL_8250 && PCI default SERIAL_8250 help - This builds standard PCI serial support. You may be able to - disable this feature if you only need legacy serial support. - Saves about 9K. + Say Y here if you have PCI serial ports. + + To compile this driver as a module, choose M here: the module + will be called 8250_pci. config SERIAL_8250_PNP tristate "8250/16550 PNP device support" if EMBEDDED depends on SERIAL_8250 && PNP default SERIAL_8250 help - This builds standard PNP serial support. You may be able to - disable this feature if you only need legacy serial support. + Say Y here if you have serial ports described by PNPBIOS or ACPI. + These are typically ports built into the system board. + + To compile this driver as a module, choose M here: the module + will be called 8250_pnp. config SERIAL_8250_HP300 tristate diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index 7a3b97fdf8d..f23972bc00c 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -934,7 +934,7 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = { .irq = SMC1_IRQ, .ops = &cpm_uart_pops, .iotype = UPIO_MEM, - .lock = SPIN_LOCK_UNLOCKED, + .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SMC1].port.lock), }, .flags = FLAG_SMC, .tx_nrfifos = TX_NUM_FIFO, @@ -948,7 +948,7 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = { .irq = SMC2_IRQ, .ops = &cpm_uart_pops, .iotype = UPIO_MEM, - .lock = SPIN_LOCK_UNLOCKED, + .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SMC2].port.lock), }, .flags = FLAG_SMC, .tx_nrfifos = TX_NUM_FIFO, @@ -965,7 +965,7 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = { .irq = SCC1_IRQ, .ops = &cpm_uart_pops, .iotype = UPIO_MEM, - .lock = SPIN_LOCK_UNLOCKED, + .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SCC1].port.lock), }, .tx_nrfifos = TX_NUM_FIFO, .tx_fifosize = TX_BUF_SIZE, @@ -979,7 +979,7 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = { .irq = SCC2_IRQ, .ops = &cpm_uart_pops, .iotype = UPIO_MEM, - .lock = SPIN_LOCK_UNLOCKED, + .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SCC2].port.lock), }, .tx_nrfifos = TX_NUM_FIFO, .tx_fifosize = TX_BUF_SIZE, @@ -993,7 +993,7 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = { .irq = SCC3_IRQ, .ops = &cpm_uart_pops, .iotype = UPIO_MEM, - .lock = SPIN_LOCK_UNLOCKED, + .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SCC3].port.lock), }, .tx_nrfifos = TX_NUM_FIFO, .tx_fifosize = TX_BUF_SIZE, @@ -1007,7 +1007,7 @@ struct uart_cpm_port cpm_uart_ports[UART_NR] = { .irq = SCC4_IRQ, .ops = &cpm_uart_pops, .iotype = UPIO_MEM, - .lock = SPIN_LOCK_UNLOCKED, + .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SCC4].port.lock), }, .tx_nrfifos = TX_NUM_FIFO, .tx_fifosize = TX_BUF_SIZE, diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c index 246c5572667..6202995e821 100644 --- a/drivers/serial/icom.c +++ b/drivers/serial/icom.c @@ -47,7 +47,6 @@ #include <linux/pci.h> #include <linux/vmalloc.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/kobject.h> #include <linux/firmware.h> diff --git a/drivers/serial/jsm/jsm_neo.c b/drivers/serial/jsm/jsm_neo.c index 8be8da37f62..b2d6f5b1a7c 100644 --- a/drivers/serial/jsm/jsm_neo.c +++ b/drivers/serial/jsm/jsm_neo.c @@ -581,8 +581,13 @@ static void neo_parse_modem(struct jsm_channel *ch, u8 signals) return; /* Scrub off lower bits. They signify delta's, which I don't care about */ - msignals &= 0xf0; + /* Keep DDCD and DDSR though */ + msignals &= 0xf8; + if (msignals & UART_MSR_DDCD) + uart_handle_dcd_change(&ch->uart_port, msignals & UART_MSR_DCD); + if (msignals & UART_MSR_DDSR) + uart_handle_cts_change(&ch->uart_port, msignals & UART_MSR_CTS); if (msignals & UART_MSR_DCD) ch->ch_mistat |= UART_MSR_DCD; else diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c index be22bbdbc8e..281f23a371b 100644 --- a/drivers/serial/jsm/jsm_tty.c +++ b/drivers/serial/jsm/jsm_tty.c @@ -448,6 +448,7 @@ int jsm_uart_port_init(struct jsm_board *brd) continue; brd->channels[i]->uart_port.irq = brd->irq; + brd->channels[i]->uart_port.uartclk = 14745600; brd->channels[i]->uart_port.type = PORT_JSM; brd->channels[i]->uart_port.iotype = UPIO_MEM; brd->channels[i]->uart_port.membase = brd->re_map_membase; diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index 8d24cd52105..35f8b86cc78 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -257,9 +257,10 @@ mpc52xx_uart_shutdown(struct uart_port *port) { struct mpc52xx_psc __iomem *psc = PSC(port); - /* Shut down the port, interrupt and all */ + /* Shut down the port. Leave TX active if on a console port */ out_8(&psc->command,MPC52xx_PSC_RST_RX); - out_8(&psc->command,MPC52xx_PSC_RST_TX); + if (!uart_console(port)) + out_8(&psc->command,MPC52xx_PSC_RST_TX); port->read_status_mask = 0; out_be16(&psc->mpc52xx_psc_imr,port->read_status_mask); @@ -1069,7 +1070,7 @@ mpc52xx_uart_of_enumerate(void) continue; /* Is a particular device number requested? */ - devno = get_property(np, "port-number", NULL); + devno = of_get_property(np, "port-number", NULL); mpc52xx_uart_of_assign(of_node_get(np), devno ? *devno : -1); } diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c index 336d0f4580d..7ffdaeaf054 100644 --- a/drivers/serial/of_serial.c +++ b/drivers/serial/of_serial.c @@ -29,8 +29,8 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev, int ret; memset(port, 0, sizeof *port); - spd = get_property(np, "current-speed", NULL); - clk = get_property(np, "clock-frequency", NULL); + spd = of_get_property(np, "current-speed", NULL); + clk = of_get_property(np, "clock-frequency", NULL); if (!clk) { dev_warn(&ofdev->dev, "no clock-frequency property set\n"); return -ENODEV; diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c index be8d75721a8..0fa9f676176 100644 --- a/drivers/serial/pmac_zilog.c +++ b/drivers/serial/pmac_zilog.c @@ -1450,14 +1450,14 @@ no_dma: /* * Detect port type */ - if (device_is_compatible(np, "cobalt")) + if (of_device_is_compatible(np, "cobalt")) uap->flags |= PMACZILOG_FLAG_IS_INTMODEM; - conn = get_property(np, "AAPL,connector", &len); + conn = of_get_property(np, "AAPL,connector", &len); if (conn && (strcmp(conn, "infrared") == 0)) uap->flags |= PMACZILOG_FLAG_IS_IRDA; uap->port_type = PMAC_SCC_ASYNC; /* 1999 Powerbook G3 has slot-names property instead */ - slots = get_property(np, "slot-names", &len); + slots = of_get_property(np, "slot-names", &len); if (slots && slots->count > 0) { if (strcmp(slots->name, "IrDA") == 0) uap->flags |= PMACZILOG_FLAG_IS_IRDA; @@ -1471,7 +1471,7 @@ no_dma: of_find_node_by_name(NULL, "i2c-modem"); if (i2c_modem) { const char* mid = - get_property(i2c_modem, "modem-id", NULL); + of_get_property(i2c_modem, "modem-id", NULL); if (mid) switch(*mid) { case 0x04 : case 0x05 : diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c index 3ba9208ebd0..10bc0209cd6 100644 --- a/drivers/serial/s3c2410.c +++ b/drivers/serial/s3c2410.c @@ -957,7 +957,7 @@ static struct uart_driver s3c24xx_uart_drv = { static struct s3c24xx_uart_port s3c24xx_serial_ports[NR_PORTS] = { [0] = { .port = { - .lock = SPIN_LOCK_UNLOCKED, + .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[0].port.lock), .iotype = UPIO_MEM, .irq = IRQ_S3CUART_RX0, .uartclk = 0, @@ -969,7 +969,7 @@ static struct s3c24xx_uart_port s3c24xx_serial_ports[NR_PORTS] = { }, [1] = { .port = { - .lock = SPIN_LOCK_UNLOCKED, + .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[1].port.lock), .iotype = UPIO_MEM, .irq = IRQ_S3CUART_RX1, .uartclk = 0, @@ -983,7 +983,7 @@ static struct s3c24xx_uart_port s3c24xx_serial_ports[NR_PORTS] = { [2] = { .port = { - .lock = SPIN_LOCK_UNLOCKED, + .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[2].port.lock), .iotype = UPIO_MEM, .irq = IRQ_S3CUART_RX2, .uartclk = 0, diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c index 509ace7e688..1deb5764326 100644 --- a/drivers/serial/serial_txx9.c +++ b/drivers/serial/serial_txx9.c @@ -15,31 +15,6 @@ * published by the Free Software Foundation. * * Serial driver for TX3927/TX4927/TX4925/TX4938 internal SIO controller - * - * Revision History: - * 0.30 Initial revision. (Renamed from serial_txx927.c) - * 0.31 Use save_flags instead of local_irq_save. - * 0.32 Support SCLK. - * 0.33 Switch TXX9_TTY_NAME by CONFIG_SERIAL_TXX9_STDSERIAL. - * Support TIOCSERGETLSR. - * 0.34 Support slow baudrate. - * 0.40 Merge codes from mainstream kernel (2.4.22). - * 0.41 Fix console checking in rs_shutdown_port(). - * Disable flow-control in serial_console_write(). - * 0.42 Fix minor compiler warning. - * 1.00 Kernel 2.6. Converted to new serial core (based on 8250.c). - * 1.01 Set fifosize to make tx_empry called properly. - * Use standard uart_get_divisor. - * 1.02 Cleanup. (import 8250.c changes) - * 1.03 Fix low-latency mode. (import 8250.c changes) - * 1.04 Remove usage of deprecated functions, cleanup. - * 1.05 More strict check in verify_port. Cleanup. - * 1.06 Do not insert a char caused previous overrun. - * Fix some spin_locks. - * Do not call uart_add_one_port for absent ports. - * 1.07 Use CONFIG_SERIAL_TXX9_NR_UARTS. Cleanup. - * 1.08 Use platform_device. - * Fix and cleanup suspend/resume/initialization codes. */ #if defined(CONFIG_SERIAL_TXX9_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) @@ -62,7 +37,7 @@ #include <asm/io.h> -static char *serial_version = "1.08"; +static char *serial_version = "1.09"; static char *serial_name = "TX39/49 Serial driver"; #define PASS_LIMIT 256 @@ -70,13 +45,14 @@ static char *serial_name = "TX39/49 Serial driver"; #if !defined(CONFIG_SERIAL_TXX9_STDSERIAL) /* "ttyS" is used for standard serial driver */ #define TXX9_TTY_NAME "ttyTX" -#define TXX9_TTY_MINOR_START (64 + 64) /* ttyTX0(128), ttyTX1(129) */ +#define TXX9_TTY_MINOR_START 196 +#define TXX9_TTY_MAJOR 204 #else /* acts like standard serial driver */ #define TXX9_TTY_NAME "ttyS" #define TXX9_TTY_MINOR_START 64 -#endif #define TXX9_TTY_MAJOR TTY_MAJOR +#endif /* flag aliases */ #define UPF_TXX9_HAVE_CTS_LINE UPF_BUGGY_UART diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 4a012d9acbf..07c587ec71b 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -64,6 +64,17 @@ config SPI_BFIN help This is the SPI controller master driver for Blackfin 5xx processor. +config SPI_AU1550 + tristate "Au1550/Au12x0 SPI Controller" + depends on SPI_MASTER && (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL + select SPI_BITBANG + help + If you say yes to this option, support will be included for the + Au1550 SPI controller (may also work with Au1200,Au1210,Au1250). + + This driver can also be built as a module. If so, the module + will be called au1550_spi. + config SPI_BITBANG tristate "Bitbanging SPI master" depends on SPI_MASTER && EXPERIMENTAL @@ -159,6 +170,15 @@ config SPI_AT25 This driver can also be built as a module. If so, the module will be called at25. +config SPI_SPIDEV + tristate "User mode SPI device driver support" + depends on SPI_MASTER && EXPERIMENTAL + help + This supports user mode SPI protocol drivers. + + Note that this application programming interface is EXPERIMENTAL + and hence SUBJECT TO CHANGE WITHOUT NOTICE while it stabilizes. + # # Add new SPI protocol masters in alphabetical order above this line # diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index a95ade857a2..624b6363f49 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_SPI_MASTER) += spi.o obj-$(CONFIG_SPI_ATMEL) += atmel_spi.o obj-$(CONFIG_SPI_BFIN) += spi_bfin5xx.o obj-$(CONFIG_SPI_BITBANG) += spi_bitbang.o +obj-$(CONFIG_SPI_AU1550) += au1550_spi.o obj-$(CONFIG_SPI_BUTTERFLY) += spi_butterfly.o obj-$(CONFIG_SPI_IMX) += spi_imx.o obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o @@ -25,6 +26,7 @@ obj-$(CONFIG_SPI_S3C24XX) += spi_s3c24xx.o # SPI protocol drivers (device/link on bus) obj-$(CONFIG_SPI_AT25) += at25.o +obj-$(CONFIG_SPI_SPIDEV) += spidev.o # ... add above this line ... # SPI slave controller drivers (upstream link) diff --git a/drivers/spi/au1550_spi.c b/drivers/spi/au1550_spi.c new file mode 100644 index 00000000000..ae2b1af0dba --- /dev/null +++ b/drivers/spi/au1550_spi.c @@ -0,0 +1,974 @@ +/* + * au1550_spi.c - au1550 psc spi controller driver + * may work also with au1200, au1210, au1250 + * will not work on au1000, au1100 and au1500 (no full spi controller there) + * + * Copyright (c) 2006 ATRON electronic GmbH + * Author: Jan Nikitenko <jan.nikitenko@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/errno.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/spi/spi_bitbang.h> +#include <linux/dma-mapping.h> +#include <linux/completion.h> +#include <asm/mach-au1x00/au1000.h> +#include <asm/mach-au1x00/au1xxx_psc.h> +#include <asm/mach-au1x00/au1xxx_dbdma.h> + +#include <asm/mach-au1x00/au1550_spi.h> + +static unsigned usedma = 1; +module_param(usedma, uint, 0644); + +/* +#define AU1550_SPI_DEBUG_LOOPBACK +*/ + + +#define AU1550_SPI_DBDMA_DESCRIPTORS 1 +#define AU1550_SPI_DMA_RXTMP_MINSIZE 2048U + +struct au1550_spi { + struct spi_bitbang bitbang; + + volatile psc_spi_t __iomem *regs; + int irq; + unsigned freq_max; + unsigned freq_min; + + unsigned len; + unsigned tx_count; + unsigned rx_count; + const u8 *tx; + u8 *rx; + + void (*rx_word)(struct au1550_spi *hw); + void (*tx_word)(struct au1550_spi *hw); + int (*txrx_bufs)(struct spi_device *spi, struct spi_transfer *t); + irqreturn_t (*irq_callback)(struct au1550_spi *hw); + + struct completion master_done; + + unsigned usedma; + u32 dma_tx_id; + u32 dma_rx_id; + u32 dma_tx_ch; + u32 dma_rx_ch; + + u8 *dma_rx_tmpbuf; + unsigned dma_rx_tmpbuf_size; + u32 dma_rx_tmpbuf_addr; + + struct spi_master *master; + struct device *dev; + struct au1550_spi_info *pdata; +}; + + +/* we use an 8-bit memory device for dma transfers to/from spi fifo */ +static dbdev_tab_t au1550_spi_mem_dbdev = +{ + .dev_id = DBDMA_MEM_CHAN, + .dev_flags = DEV_FLAGS_ANYUSE|DEV_FLAGS_SYNC, + .dev_tsize = 0, + .dev_devwidth = 8, + .dev_physaddr = 0x00000000, + .dev_intlevel = 0, + .dev_intpolarity = 0 +}; + +static void au1550_spi_bits_handlers_set(struct au1550_spi *hw, int bpw); + + +/** + * compute BRG and DIV bits to setup spi clock based on main input clock rate + * that was specified in platform data structure + * according to au1550 datasheet: + * psc_tempclk = psc_mainclk / (2 << DIV) + * spiclk = psc_tempclk / (2 * (BRG + 1)) + * BRG valid range is 4..63 + * DIV valid range is 0..3 + */ +static u32 au1550_spi_baudcfg(struct au1550_spi *hw, unsigned speed_hz) +{ + u32 mainclk_hz = hw->pdata->mainclk_hz; + u32 div, brg; + + for (div = 0; div < 4; div++) { + brg = mainclk_hz / speed_hz / (4 << div); + /* now we have BRG+1 in brg, so count with that */ + if (brg < (4 + 1)) { + brg = (4 + 1); /* speed_hz too big */ + break; /* set lowest brg (div is == 0) */ + } + if (brg <= (63 + 1)) + break; /* we have valid brg and div */ + } + if (div == 4) { + div = 3; /* speed_hz too small */ + brg = (63 + 1); /* set highest brg and div */ + } + brg--; + return PSC_SPICFG_SET_BAUD(brg) | PSC_SPICFG_SET_DIV(div); +} + +static inline void au1550_spi_mask_ack_all(struct au1550_spi *hw) +{ + hw->regs->psc_spimsk = + PSC_SPIMSK_MM | PSC_SPIMSK_RR | PSC_SPIMSK_RO + | PSC_SPIMSK_RU | PSC_SPIMSK_TR | PSC_SPIMSK_TO + | PSC_SPIMSK_TU | PSC_SPIMSK_SD | PSC_SPIMSK_MD; + au_sync(); + + hw->regs->psc_spievent = + PSC_SPIEVNT_MM | PSC_SPIEVNT_RR | PSC_SPIEVNT_RO + | PSC_SPIEVNT_RU | PSC_SPIEVNT_TR | PSC_SPIEVNT_TO + | PSC_SPIEVNT_TU | PSC_SPIEVNT_SD | PSC_SPIEVNT_MD; + au_sync(); +} + +static void au1550_spi_reset_fifos(struct au1550_spi *hw) +{ + u32 pcr; + + hw->regs->psc_spipcr = PSC_SPIPCR_RC | PSC_SPIPCR_TC; + au_sync(); + do { + pcr = hw->regs->psc_spipcr; + au_sync(); + } while (pcr != 0); +} + +/* + * dma transfers are used for the most common spi word size of 8-bits + * we cannot easily change already set up dma channels' width, so if we wanted + * dma support for more than 8-bit words (up to 24 bits), we would need to + * setup dma channels from scratch on each spi transfer, based on bits_per_word + * instead we have pre set up 8 bit dma channels supporting spi 4 to 8 bits + * transfers, and 9 to 24 bits spi transfers will be done in pio irq based mode + * callbacks to handle dma or pio are set up in au1550_spi_bits_handlers_set() + */ +static void au1550_spi_chipsel(struct spi_device *spi, int value) +{ + struct au1550_spi *hw = spi_master_get_devdata(spi->master); + unsigned cspol = spi->mode & SPI_CS_HIGH ? 1 : 0; + u32 cfg, stat; + + switch (value) { + case BITBANG_CS_INACTIVE: + if (hw->pdata->deactivate_cs) + hw->pdata->deactivate_cs(hw->pdata, spi->chip_select, + cspol); + break; + + case BITBANG_CS_ACTIVE: + au1550_spi_bits_handlers_set(hw, spi->bits_per_word); + + cfg = hw->regs->psc_spicfg; + au_sync(); + hw->regs->psc_spicfg = cfg & ~PSC_SPICFG_DE_ENABLE; + au_sync(); + + if (spi->mode & SPI_CPOL) + cfg |= PSC_SPICFG_BI; + else + cfg &= ~PSC_SPICFG_BI; + if (spi->mode & SPI_CPHA) + cfg &= ~PSC_SPICFG_CDE; + else + cfg |= PSC_SPICFG_CDE; + + if (spi->mode & SPI_LSB_FIRST) + cfg |= PSC_SPICFG_MLF; + else + cfg &= ~PSC_SPICFG_MLF; + + if (hw->usedma && spi->bits_per_word <= 8) + cfg &= ~PSC_SPICFG_DD_DISABLE; + else + cfg |= PSC_SPICFG_DD_DISABLE; + cfg = PSC_SPICFG_CLR_LEN(cfg); + cfg |= PSC_SPICFG_SET_LEN(spi->bits_per_word); + + cfg = PSC_SPICFG_CLR_BAUD(cfg); + cfg &= ~PSC_SPICFG_SET_DIV(3); + cfg |= au1550_spi_baudcfg(hw, spi->max_speed_hz); + + hw->regs->psc_spicfg = cfg | PSC_SPICFG_DE_ENABLE; + au_sync(); + do { + stat = hw->regs->psc_spistat; + au_sync(); + } while ((stat & PSC_SPISTAT_DR) == 0); + + if (hw->pdata->activate_cs) + hw->pdata->activate_cs(hw->pdata, spi->chip_select, + cspol); + break; + } +} + +static int au1550_spi_setupxfer(struct spi_device *spi, struct spi_transfer *t) +{ + struct au1550_spi *hw = spi_master_get_devdata(spi->master); + unsigned bpw, hz; + u32 cfg, stat; + + bpw = t ? t->bits_per_word : spi->bits_per_word; + hz = t ? t->speed_hz : spi->max_speed_hz; + + if (bpw < 4 || bpw > 24) { + dev_err(&spi->dev, "setupxfer: invalid bits_per_word=%d\n", + bpw); + return -EINVAL; + } + if (hz > spi->max_speed_hz || hz > hw->freq_max || hz < hw->freq_min) { + dev_err(&spi->dev, "setupxfer: clock rate=%d out of range\n", + hz); + return -EINVAL; + } + + au1550_spi_bits_handlers_set(hw, spi->bits_per_word); + + cfg = hw->regs->psc_spicfg; + au_sync(); + hw->regs->psc_spicfg = cfg & ~PSC_SPICFG_DE_ENABLE; + au_sync(); + + if (hw->usedma && bpw <= 8) + cfg &= ~PSC_SPICFG_DD_DISABLE; + else + cfg |= PSC_SPICFG_DD_DISABLE; + cfg = PSC_SPICFG_CLR_LEN(cfg); + cfg |= PSC_SPICFG_SET_LEN(bpw); + + cfg = PSC_SPICFG_CLR_BAUD(cfg); + cfg &= ~PSC_SPICFG_SET_DIV(3); + cfg |= au1550_spi_baudcfg(hw, hz); + + hw->regs->psc_spicfg = cfg; + au_sync(); + + if (cfg & PSC_SPICFG_DE_ENABLE) { + do { + stat = hw->regs->psc_spistat; + au_sync(); + } while ((stat & PSC_SPISTAT_DR) == 0); + } + + au1550_spi_reset_fifos(hw); + au1550_spi_mask_ack_all(hw); + return 0; +} + +static int au1550_spi_setup(struct spi_device *spi) +{ + struct au1550_spi *hw = spi_master_get_devdata(spi->master); + + if (spi->bits_per_word == 0) + spi->bits_per_word = 8; + if (spi->bits_per_word < 4 || spi->bits_per_word > 24) { + dev_err(&spi->dev, "setup: invalid bits_per_word=%d\n", + spi->bits_per_word); + return -EINVAL; + } + + if (spi->max_speed_hz == 0) + spi->max_speed_hz = hw->freq_max; + if (spi->max_speed_hz > hw->freq_max + || spi->max_speed_hz < hw->freq_min) + return -EINVAL; + /* + * NOTE: cannot change speed and other hw settings immediately, + * otherwise sharing of spi bus is not possible, + * so do not call setupxfer(spi, NULL) here + */ + return 0; +} + +/* + * for dma spi transfers, we have to setup rx channel, otherwise there is + * no reliable way how to recognize that spi transfer is done + * dma complete callbacks are called before real spi transfer is finished + * and if only tx dma channel is set up (and rx fifo overflow event masked) + * spi master done event irq is not generated unless rx fifo is empty (emptied) + * so we need rx tmp buffer to use for rx dma if user does not provide one + */ +static int au1550_spi_dma_rxtmp_alloc(struct au1550_spi *hw, unsigned size) +{ + hw->dma_rx_tmpbuf = kmalloc(size, GFP_KERNEL); + if (!hw->dma_rx_tmpbuf) + return -ENOMEM; + hw->dma_rx_tmpbuf_size = size; + hw->dma_rx_tmpbuf_addr = dma_map_single(hw->dev, hw->dma_rx_tmpbuf, + size, DMA_FROM_DEVICE); + if (dma_mapping_error(hw->dma_rx_tmpbuf_addr)) { + kfree(hw->dma_rx_tmpbuf); + hw->dma_rx_tmpbuf = 0; + hw->dma_rx_tmpbuf_size = 0; + return -EFAULT; + } + return 0; +} + +static void au1550_spi_dma_rxtmp_free(struct au1550_spi *hw) +{ + dma_unmap_single(hw->dev, hw->dma_rx_tmpbuf_addr, + hw->dma_rx_tmpbuf_size, DMA_FROM_DEVICE); + kfree(hw->dma_rx_tmpbuf); + hw->dma_rx_tmpbuf = 0; + hw->dma_rx_tmpbuf_size = 0; +} + +static int au1550_spi_dma_txrxb(struct spi_device *spi, struct spi_transfer *t) +{ + struct au1550_spi *hw = spi_master_get_devdata(spi->master); + dma_addr_t dma_tx_addr; + dma_addr_t dma_rx_addr; + u32 res; + + hw->len = t->len; + hw->tx_count = 0; + hw->rx_count = 0; + + hw->tx = t->tx_buf; + hw->rx = t->rx_buf; + dma_tx_addr = t->tx_dma; + dma_rx_addr = t->rx_dma; + + /* + * check if buffers are already dma mapped, map them otherwise + * use rx buffer in place of tx if tx buffer was not provided + * use temp rx buffer (preallocated or realloc to fit) for rx dma + */ + if (t->rx_buf) { + if (t->rx_dma == 0) { /* if DMA_ADDR_INVALID, map it */ + dma_rx_addr = dma_map_single(hw->dev, + (void *)t->rx_buf, + t->len, DMA_FROM_DEVICE); + if (dma_mapping_error(dma_rx_addr)) + dev_err(hw->dev, "rx dma map error\n"); + } + } else { + if (t->len > hw->dma_rx_tmpbuf_size) { + int ret; + + au1550_spi_dma_rxtmp_free(hw); + ret = au1550_spi_dma_rxtmp_alloc(hw, max(t->len, + AU1550_SPI_DMA_RXTMP_MINSIZE)); + if (ret < 0) + return ret; + } + hw->rx = hw->dma_rx_tmpbuf; + dma_rx_addr = hw->dma_rx_tmpbuf_addr; + dma_sync_single_for_device(hw->dev, dma_rx_addr, + t->len, DMA_FROM_DEVICE); + } + if (t->tx_buf) { + if (t->tx_dma == 0) { /* if DMA_ADDR_INVALID, map it */ + dma_tx_addr = dma_map_single(hw->dev, + (void *)t->tx_buf, + t->len, DMA_TO_DEVICE); + if (dma_mapping_error(dma_tx_addr)) + dev_err(hw->dev, "tx dma map error\n"); + } + } else { + dma_sync_single_for_device(hw->dev, dma_rx_addr, + t->len, DMA_BIDIRECTIONAL); + hw->tx = hw->rx; + } + + /* put buffers on the ring */ + res = au1xxx_dbdma_put_dest(hw->dma_rx_ch, hw->rx, t->len); + if (!res) + dev_err(hw->dev, "rx dma put dest error\n"); + + res = au1xxx_dbdma_put_source(hw->dma_tx_ch, (void *)hw->tx, t->len); + if (!res) + dev_err(hw->dev, "tx dma put source error\n"); + + au1xxx_dbdma_start(hw->dma_rx_ch); + au1xxx_dbdma_start(hw->dma_tx_ch); + + /* by default enable nearly all events interrupt */ + hw->regs->psc_spimsk = PSC_SPIMSK_SD; + au_sync(); + + /* start the transfer */ + hw->regs->psc_spipcr = PSC_SPIPCR_MS; + au_sync(); + + wait_for_completion(&hw->master_done); + + au1xxx_dbdma_stop(hw->dma_tx_ch); + au1xxx_dbdma_stop(hw->dma_rx_ch); + + if (!t->rx_buf) { + /* using the temporal preallocated and premapped buffer */ + dma_sync_single_for_cpu(hw->dev, dma_rx_addr, t->len, + DMA_FROM_DEVICE); + } + /* unmap buffers if mapped above */ + if (t->rx_buf && t->rx_dma == 0 ) + dma_unmap_single(hw->dev, dma_rx_addr, t->len, + DMA_FROM_DEVICE); + if (t->tx_buf && t->tx_dma == 0 ) + dma_unmap_single(hw->dev, dma_tx_addr, t->len, + DMA_TO_DEVICE); + + return hw->rx_count < hw->tx_count ? hw->rx_count : hw->tx_count; +} + +static irqreturn_t au1550_spi_dma_irq_callback(struct au1550_spi *hw) +{ + u32 stat, evnt; + + stat = hw->regs->psc_spistat; + evnt = hw->regs->psc_spievent; + au_sync(); + if ((stat & PSC_SPISTAT_DI) == 0) { + dev_err(hw->dev, "Unexpected IRQ!\n"); + return IRQ_NONE; + } + + if ((evnt & (PSC_SPIEVNT_MM | PSC_SPIEVNT_RO + | PSC_SPIEVNT_RU | PSC_SPIEVNT_TO + | PSC_SPIEVNT_TU | PSC_SPIEVNT_SD)) + != 0) { + /* + * due to an spi error we consider transfer as done, + * so mask all events until before next transfer start + * and stop the possibly running dma immediatelly + */ + au1550_spi_mask_ack_all(hw); + au1xxx_dbdma_stop(hw->dma_rx_ch); + au1xxx_dbdma_stop(hw->dma_tx_ch); + + /* get number of transfered bytes */ + hw->rx_count = hw->len - au1xxx_get_dma_residue(hw->dma_rx_ch); + hw->tx_count = hw->len - au1xxx_get_dma_residue(hw->dma_tx_ch); + + au1xxx_dbdma_reset(hw->dma_rx_ch); + au1xxx_dbdma_reset(hw->dma_tx_ch); + au1550_spi_reset_fifos(hw); + + dev_err(hw->dev, + "Unexpected SPI error: event=0x%x stat=0x%x!\n", + evnt, stat); + + complete(&hw->master_done); + return IRQ_HANDLED; + } + + if ((evnt & PSC_SPIEVNT_MD) != 0) { + /* transfer completed successfully */ + au1550_spi_mask_ack_all(hw); + hw->rx_count = hw->len; + hw->tx_count = hw->len; + complete(&hw->master_done); + } + return IRQ_HANDLED; +} + + +/* routines to handle different word sizes in pio mode */ +#define AU1550_SPI_RX_WORD(size, mask) \ +static void au1550_spi_rx_word_##size(struct au1550_spi *hw) \ +{ \ + u32 fifoword = hw->regs->psc_spitxrx & (u32)(mask); \ + au_sync(); \ + if (hw->rx) { \ + *(u##size *)hw->rx = (u##size)fifoword; \ + hw->rx += (size) / 8; \ + } \ + hw->rx_count += (size) / 8; \ +} + +#define AU1550_SPI_TX_WORD(size, mask) \ +static void au1550_spi_tx_word_##size(struct au1550_spi *hw) \ +{ \ + u32 fifoword = 0; \ + if (hw->tx) { \ + fifoword = *(u##size *)hw->tx & (u32)(mask); \ + hw->tx += (size) / 8; \ + } \ + hw->tx_count += (size) / 8; \ + if (hw->tx_count >= hw->len) \ + fifoword |= PSC_SPITXRX_LC; \ + hw->regs->psc_spitxrx = fifoword; \ + au_sync(); \ +} + +AU1550_SPI_RX_WORD(8,0xff) +AU1550_SPI_RX_WORD(16,0xffff) +AU1550_SPI_RX_WORD(32,0xffffff) +AU1550_SPI_TX_WORD(8,0xff) +AU1550_SPI_TX_WORD(16,0xffff) +AU1550_SPI_TX_WORD(32,0xffffff) + +static int au1550_spi_pio_txrxb(struct spi_device *spi, struct spi_transfer *t) +{ + u32 stat, mask; + struct au1550_spi *hw = spi_master_get_devdata(spi->master); + + hw->tx = t->tx_buf; + hw->rx = t->rx_buf; + hw->len = t->len; + hw->tx_count = 0; + hw->rx_count = 0; + + /* by default enable nearly all events after filling tx fifo */ + mask = PSC_SPIMSK_SD; + + /* fill the transmit FIFO */ + while (hw->tx_count < hw->len) { + + hw->tx_word(hw); + + if (hw->tx_count >= hw->len) { + /* mask tx fifo request interrupt as we are done */ + mask |= PSC_SPIMSK_TR; + } + + stat = hw->regs->psc_spistat; + au_sync(); + if (stat & PSC_SPISTAT_TF) + break; + } + + /* enable event interrupts */ + hw->regs->psc_spimsk = mask; + au_sync(); + + /* start the transfer */ + hw->regs->psc_spipcr = PSC_SPIPCR_MS; + au_sync(); + + wait_for_completion(&hw->master_done); + + return hw->rx_count < hw->tx_count ? hw->rx_count : hw->tx_count; +} + +static irqreturn_t au1550_spi_pio_irq_callback(struct au1550_spi *hw) +{ + int busy; + u32 stat, evnt; + + stat = hw->regs->psc_spistat; + evnt = hw->regs->psc_spievent; + au_sync(); + if ((stat & PSC_SPISTAT_DI) == 0) { + dev_err(hw->dev, "Unexpected IRQ!\n"); + return IRQ_NONE; + } + + if ((evnt & (PSC_SPIEVNT_MM | PSC_SPIEVNT_RO + | PSC_SPIEVNT_RU | PSC_SPIEVNT_TO + | PSC_SPIEVNT_TU | PSC_SPIEVNT_SD)) + != 0) { + dev_err(hw->dev, + "Unexpected SPI error: event=0x%x stat=0x%x!\n", + evnt, stat); + /* + * due to an error we consider transfer as done, + * so mask all events until before next transfer start + */ + au1550_spi_mask_ack_all(hw); + au1550_spi_reset_fifos(hw); + complete(&hw->master_done); + return IRQ_HANDLED; + } + + /* + * while there is something to read from rx fifo + * or there is a space to write to tx fifo: + */ + do { + busy = 0; + stat = hw->regs->psc_spistat; + au_sync(); + + if ((stat & PSC_SPISTAT_RE) == 0 && hw->rx_count < hw->len) { + hw->rx_word(hw); + /* ack the receive request event */ + hw->regs->psc_spievent = PSC_SPIEVNT_RR; + au_sync(); + busy = 1; + } + + if ((stat & PSC_SPISTAT_TF) == 0 && hw->tx_count < hw->len) { + hw->tx_word(hw); + /* ack the transmit request event */ + hw->regs->psc_spievent = PSC_SPIEVNT_TR; + au_sync(); + busy = 1; + } + } while (busy); + + evnt = hw->regs->psc_spievent; + au_sync(); + + if (hw->rx_count >= hw->len || (evnt & PSC_SPIEVNT_MD) != 0) { + /* transfer completed successfully */ + au1550_spi_mask_ack_all(hw); + complete(&hw->master_done); + } + return IRQ_HANDLED; +} + +static int au1550_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t) +{ + struct au1550_spi *hw = spi_master_get_devdata(spi->master); + return hw->txrx_bufs(spi, t); +} + +static irqreturn_t au1550_spi_irq(int irq, void *dev, struct pt_regs *regs) +{ + struct au1550_spi *hw = dev; + return hw->irq_callback(hw); +} + +static void au1550_spi_bits_handlers_set(struct au1550_spi *hw, int bpw) +{ + if (bpw <= 8) { + if (hw->usedma) { + hw->txrx_bufs = &au1550_spi_dma_txrxb; + hw->irq_callback = &au1550_spi_dma_irq_callback; + } else { + hw->rx_word = &au1550_spi_rx_word_8; + hw->tx_word = &au1550_spi_tx_word_8; + hw->txrx_bufs = &au1550_spi_pio_txrxb; + hw->irq_callback = &au1550_spi_pio_irq_callback; + } + } else if (bpw <= 16) { + hw->rx_word = &au1550_spi_rx_word_16; + hw->tx_word = &au1550_spi_tx_word_16; + hw->txrx_bufs = &au1550_spi_pio_txrxb; + hw->irq_callback = &au1550_spi_pio_irq_callback; + } else { + hw->rx_word = &au1550_spi_rx_word_32; + hw->tx_word = &au1550_spi_tx_word_32; + hw->txrx_bufs = &au1550_spi_pio_txrxb; + hw->irq_callback = &au1550_spi_pio_irq_callback; + } +} + +static void __init au1550_spi_setup_psc_as_spi(struct au1550_spi *hw) +{ + u32 stat, cfg; + + /* set up the PSC for SPI mode */ + hw->regs->psc_ctrl = PSC_CTRL_DISABLE; + au_sync(); + hw->regs->psc_sel = PSC_SEL_PS_SPIMODE; + au_sync(); + + hw->regs->psc_spicfg = 0; + au_sync(); + + hw->regs->psc_ctrl = PSC_CTRL_ENABLE; + au_sync(); + + do { + stat = hw->regs->psc_spistat; + au_sync(); + } while ((stat & PSC_SPISTAT_SR) == 0); + + + cfg = hw->usedma ? 0 : PSC_SPICFG_DD_DISABLE; + cfg |= PSC_SPICFG_SET_LEN(8); + cfg |= PSC_SPICFG_RT_FIFO8 | PSC_SPICFG_TT_FIFO8; + /* use minimal allowed brg and div values as initial setting: */ + cfg |= PSC_SPICFG_SET_BAUD(4) | PSC_SPICFG_SET_DIV(0); + +#ifdef AU1550_SPI_DEBUG_LOOPBACK + cfg |= PSC_SPICFG_LB; +#endif + + hw->regs->psc_spicfg = cfg; + au_sync(); + + au1550_spi_mask_ack_all(hw); + + hw->regs->psc_spicfg |= PSC_SPICFG_DE_ENABLE; + au_sync(); + + do { + stat = hw->regs->psc_spistat; + au_sync(); + } while ((stat & PSC_SPISTAT_DR) == 0); +} + + +static int __init au1550_spi_probe(struct platform_device *pdev) +{ + struct au1550_spi *hw; + struct spi_master *master; + int err = 0; + + master = spi_alloc_master(&pdev->dev, sizeof(struct au1550_spi)); + if (master == NULL) { + dev_err(&pdev->dev, "No memory for spi_master\n"); + err = -ENOMEM; + goto err_nomem; + } + + hw = spi_master_get_devdata(master); + + hw->master = spi_master_get(master); + hw->pdata = pdev->dev.platform_data; + hw->dev = &pdev->dev; + + if (hw->pdata == NULL) { + dev_err(&pdev->dev, "No platform data supplied\n"); + err = -ENOENT; + goto err_no_pdata; + } + + platform_set_drvdata(pdev, hw); + + init_completion(&hw->master_done); + + hw->bitbang.master = hw->master; + hw->bitbang.setup_transfer = au1550_spi_setupxfer; + hw->bitbang.chipselect = au1550_spi_chipsel; + hw->bitbang.master->setup = au1550_spi_setup; + hw->bitbang.txrx_bufs = au1550_spi_txrx_bufs; + + switch (hw->pdata->bus_num) { + case 0: + hw->irq = AU1550_PSC0_INT; + hw->regs = (volatile psc_spi_t *)PSC0_BASE_ADDR; + hw->dma_rx_id = DSCR_CMD0_PSC0_RX; + hw->dma_tx_id = DSCR_CMD0_PSC0_TX; + break; + case 1: + hw->irq = AU1550_PSC1_INT; + hw->regs = (volatile psc_spi_t *)PSC1_BASE_ADDR; + hw->dma_rx_id = DSCR_CMD0_PSC1_RX; + hw->dma_tx_id = DSCR_CMD0_PSC1_TX; + break; + case 2: + hw->irq = AU1550_PSC2_INT; + hw->regs = (volatile psc_spi_t *)PSC2_BASE_ADDR; + hw->dma_rx_id = DSCR_CMD0_PSC2_RX; + hw->dma_tx_id = DSCR_CMD0_PSC2_TX; + break; + case 3: + hw->irq = AU1550_PSC3_INT; + hw->regs = (volatile psc_spi_t *)PSC3_BASE_ADDR; + hw->dma_rx_id = DSCR_CMD0_PSC3_RX; + hw->dma_tx_id = DSCR_CMD0_PSC3_TX; + break; + default: + dev_err(&pdev->dev, "Wrong bus_num of SPI\n"); + err = -ENOENT; + goto err_no_pdata; + } + + if (request_mem_region((unsigned long)hw->regs, sizeof(psc_spi_t), + pdev->name) == NULL) { + dev_err(&pdev->dev, "Cannot reserve iomem region\n"); + err = -ENXIO; + goto err_no_iores; + } + + + if (usedma) { + if (pdev->dev.dma_mask == NULL) + dev_warn(&pdev->dev, "no dma mask\n"); + else + hw->usedma = 1; + } + + if (hw->usedma) { + /* + * create memory device with 8 bits dev_devwidth + * needed for proper byte ordering to spi fifo + */ + int memid = au1xxx_ddma_add_device(&au1550_spi_mem_dbdev); + if (!memid) { + dev_err(&pdev->dev, + "Cannot create dma 8 bit mem device\n"); + err = -ENXIO; + goto err_dma_add_dev; + } + + hw->dma_tx_ch = au1xxx_dbdma_chan_alloc(memid, + hw->dma_tx_id, NULL, (void *)hw); + if (hw->dma_tx_ch == 0) { + dev_err(&pdev->dev, + "Cannot allocate tx dma channel\n"); + err = -ENXIO; + goto err_no_txdma; + } + au1xxx_dbdma_set_devwidth(hw->dma_tx_ch, 8); + if (au1xxx_dbdma_ring_alloc(hw->dma_tx_ch, + AU1550_SPI_DBDMA_DESCRIPTORS) == 0) { + dev_err(&pdev->dev, + "Cannot allocate tx dma descriptors\n"); + err = -ENXIO; + goto err_no_txdma_descr; + } + + + hw->dma_rx_ch = au1xxx_dbdma_chan_alloc(hw->dma_rx_id, + memid, NULL, (void *)hw); + if (hw->dma_rx_ch == 0) { + dev_err(&pdev->dev, + "Cannot allocate rx dma channel\n"); + err = -ENXIO; + goto err_no_rxdma; + } + au1xxx_dbdma_set_devwidth(hw->dma_rx_ch, 8); + if (au1xxx_dbdma_ring_alloc(hw->dma_rx_ch, + AU1550_SPI_DBDMA_DESCRIPTORS) == 0) { + dev_err(&pdev->dev, + "Cannot allocate rx dma descriptors\n"); + err = -ENXIO; + goto err_no_rxdma_descr; + } + + err = au1550_spi_dma_rxtmp_alloc(hw, + AU1550_SPI_DMA_RXTMP_MINSIZE); + if (err < 0) { + dev_err(&pdev->dev, + "Cannot allocate initial rx dma tmp buffer\n"); + goto err_dma_rxtmp_alloc; + } + } + + au1550_spi_bits_handlers_set(hw, 8); + + err = request_irq(hw->irq, au1550_spi_irq, 0, pdev->name, hw); + if (err) { + dev_err(&pdev->dev, "Cannot claim IRQ\n"); + goto err_no_irq; + } + + master->bus_num = hw->pdata->bus_num; + master->num_chipselect = hw->pdata->num_chipselect; + + /* + * precompute valid range for spi freq - from au1550 datasheet: + * psc_tempclk = psc_mainclk / (2 << DIV) + * spiclk = psc_tempclk / (2 * (BRG + 1)) + * BRG valid range is 4..63 + * DIV valid range is 0..3 + * round the min and max frequencies to values that would still + * produce valid brg and div + */ + { + int min_div = (2 << 0) * (2 * (4 + 1)); + int max_div = (2 << 3) * (2 * (63 + 1)); + hw->freq_max = hw->pdata->mainclk_hz / min_div; + hw->freq_min = hw->pdata->mainclk_hz / (max_div + 1) + 1; + } + + au1550_spi_setup_psc_as_spi(hw); + + err = spi_bitbang_start(&hw->bitbang); + if (err) { + dev_err(&pdev->dev, "Failed to register SPI master\n"); + goto err_register; + } + + dev_info(&pdev->dev, + "spi master registered: bus_num=%d num_chipselect=%d\n", + master->bus_num, master->num_chipselect); + + return 0; + +err_register: + free_irq(hw->irq, hw); + +err_no_irq: + au1550_spi_dma_rxtmp_free(hw); + +err_dma_rxtmp_alloc: +err_no_rxdma_descr: + if (hw->usedma) + au1xxx_dbdma_chan_free(hw->dma_rx_ch); + +err_no_rxdma: +err_no_txdma_descr: + if (hw->usedma) + au1xxx_dbdma_chan_free(hw->dma_tx_ch); + +err_no_txdma: +err_dma_add_dev: + release_mem_region((unsigned long)hw->regs, sizeof(psc_spi_t)); + +err_no_iores: +err_no_pdata: + spi_master_put(hw->master); + +err_nomem: + return err; +} + +static int __exit au1550_spi_remove(struct platform_device *pdev) +{ + struct au1550_spi *hw = platform_get_drvdata(pdev); + + dev_info(&pdev->dev, "spi master remove: bus_num=%d\n", + hw->master->bus_num); + + spi_bitbang_stop(&hw->bitbang); + free_irq(hw->irq, hw); + release_mem_region((unsigned long)hw->regs, sizeof(psc_spi_t)); + + if (hw->usedma) { + au1550_spi_dma_rxtmp_free(hw); + au1xxx_dbdma_chan_free(hw->dma_rx_ch); + au1xxx_dbdma_chan_free(hw->dma_tx_ch); + } + + platform_set_drvdata(pdev, NULL); + + spi_master_put(hw->master); + return 0; +} + +static struct platform_driver au1550_spi_drv = { + .remove = __exit_p(au1550_spi_remove), + .driver = { + .name = "au1550-spi", + .owner = THIS_MODULE, + }, +}; + +static int __init au1550_spi_init(void) +{ + return platform_driver_probe(&au1550_spi_drv, au1550_spi_probe); +} +module_init(au1550_spi_init); + +static void __exit au1550_spi_exit(void) +{ + platform_driver_unregister(&au1550_spi_drv); +} +module_exit(au1550_spi_exit); + +MODULE_DESCRIPTION("Au1550 PSC SPI Driver"); +MODULE_AUTHOR("Jan Nikitenko <jan.nikitenko@gmail.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 6657331eed9..c3219b29b5a 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -152,6 +152,11 @@ static void spi_drv_shutdown(struct device *dev) sdrv->shutdown(to_spi_device(dev)); } +/** + * spi_register_driver - register a SPI driver + * @sdrv: the driver to register + * Context: can sleep + */ int spi_register_driver(struct spi_driver *sdrv) { sdrv->driver.bus = &spi_bus_type; @@ -183,7 +188,13 @@ static LIST_HEAD(board_list); static DECLARE_MUTEX(board_lock); -/* On typical mainboards, this is purely internal; and it's not needed +/** + * spi_new_device - instantiate one new SPI device + * @master: Controller to which device is connected + * @chip: Describes the SPI device + * Context: can sleep + * + * On typical mainboards, this is purely internal; and it's not needed * after board init creates the hard-wired devices. Some development * platforms may not be able to use spi_register_board_info though, and * this is exported so that for example a USB or parport based adapter @@ -251,7 +262,12 @@ fail: } EXPORT_SYMBOL_GPL(spi_new_device); -/* +/** + * spi_register_board_info - register SPI devices for a given board + * @info: array of chip descriptors + * @n: how many descriptors are provided + * Context: can sleep + * * Board-specific early init code calls this (probably during arch_initcall) * with segments of the SPI device table. Any device nodes are created later, * after the relevant parent SPI controller (bus_num) is defined. We keep @@ -337,9 +353,10 @@ static struct class spi_master_class = { /** * spi_alloc_master - allocate SPI master controller * @dev: the controller, possibly using the platform_bus - * @size: how much driver-private data to preallocate; the pointer to this + * @size: how much zeroed driver-private data to allocate; the pointer to this * memory is in the class_data field of the returned class_device, * accessible with spi_master_get_devdata(). + * Context: can sleep * * This call is used only by SPI master controller drivers, which are the * only ones directly touching chip registers. It's how they allocate @@ -375,6 +392,7 @@ EXPORT_SYMBOL_GPL(spi_alloc_master); /** * spi_register_master - register SPI master controller * @master: initialized master, originally from spi_alloc_master() + * Context: can sleep * * SPI master controllers connect to their drivers using some non-SPI bus, * such as the platform bus. The final stage of probe() in that code @@ -437,6 +455,7 @@ static int __unregister(struct device *dev, void *unused) /** * spi_unregister_master - unregister SPI master controller * @master: the master being unregistered + * Context: can sleep * * This call is used only by SPI master controller drivers, which are the * only ones directly touching chip registers. @@ -455,6 +474,7 @@ EXPORT_SYMBOL_GPL(spi_unregister_master); /** * spi_busnum_to_master - look up master associated with bus_num * @bus_num: the master's bus number + * Context: can sleep * * This call may be used with devices that are registered after * arch init time. It returns a refcounted pointer to the relevant @@ -492,6 +512,7 @@ static void spi_complete(void *arg) * spi_sync - blocking/synchronous SPI data transfers * @spi: device with which data will be exchanged * @message: describes the data transfers + * Context: can sleep * * This call may only be used from a context that may sleep. The sleep * is non-interruptible, and has no timeout. Low-overhead controller @@ -508,7 +529,7 @@ static void spi_complete(void *arg) * * The return value is a negative error code if the message could not be * submitted, else zero. When the value is zero, then message->status is - * also defined: it's the completion code for the transfer, either zero + * also defined; it's the completion code for the transfer, either zero * or a negative error code from the controller driver. */ int spi_sync(struct spi_device *spi, struct spi_message *message) @@ -538,6 +559,7 @@ static u8 *buf; * @n_tx: size of txbuf, in bytes * @rxbuf: buffer into which data will be read * @n_rx: size of rxbuf, in bytes (need not be dma-safe) + * Context: can sleep * * This performs a half duplex MicroWire style transaction with the * device, sending txbuf and then reading rxbuf. The return value @@ -545,7 +567,8 @@ static u8 *buf; * This call may only be used from a context that may sleep. * * Parameters to this routine are always copied using a small buffer; - * performance-sensitive or bulk transfer code should instead use + * portable code should never use this for more than 32 bytes. + * Performance-sensitive or bulk transfer code should instead use * spi_{async,sync}() calls with dma-safe buffers. */ int spi_write_then_read(struct spi_device *spi, diff --git a/drivers/spi/spi_butterfly.c b/drivers/spi/spi_butterfly.c index 312987a0321..0ee2b209025 100644 --- a/drivers/spi/spi_butterfly.c +++ b/drivers/spi/spi_butterfly.c @@ -20,7 +20,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> -#include <linux/platform_device.h> +#include <linux/device.h> #include <linux/parport.h> #include <linux/sched.h> @@ -40,8 +40,6 @@ * and use this custom parallel port cable. */ -#undef HAVE_USI /* nyet */ - /* DATA output bits (pins 2..9 == D0..D7) */ #define butterfly_nreset (1 << 1) /* pin 3 */ @@ -49,19 +47,13 @@ #define spi_sck_bit (1 << 0) /* pin 2 */ #define spi_mosi_bit (1 << 7) /* pin 9 */ -#define usi_sck_bit (1 << 3) /* pin 5 */ -#define usi_mosi_bit (1 << 4) /* pin 6 */ - #define vcc_bits ((1 << 6) | (1 << 5)) /* pins 7, 8 */ /* STATUS input bits */ #define spi_miso_bit PARPORT_STATUS_BUSY /* pin 11 */ -#define usi_miso_bit PARPORT_STATUS_PAPEROUT /* pin 12 */ - /* CONTROL output bits */ #define spi_cs_bit PARPORT_CONTROL_SELECT /* pin 17 */ -/* USI uses no chipselect */ @@ -70,15 +62,6 @@ static inline struct butterfly *spidev_to_pp(struct spi_device *spi) return spi->controller_data; } -static inline int is_usidev(struct spi_device *spi) -{ -#ifdef HAVE_USI - return spi->chip_select != 1; -#else - return 0; -#endif -} - struct butterfly { /* REVISIT ... for now, this must be first */ @@ -97,23 +80,13 @@ struct butterfly { /*----------------------------------------------------------------------*/ -/* - * these routines may be slower than necessary because they're hiding - * the fact that there are two different SPI busses on this cable: one - * to the DataFlash chip (or AVR SPI controller), the other to the - * AVR USI controller. - */ - static inline void setsck(struct spi_device *spi, int is_on) { struct butterfly *pp = spidev_to_pp(spi); u8 bit, byte = pp->lastbyte; - if (is_usidev(spi)) - bit = usi_sck_bit; - else - bit = spi_sck_bit; + bit = spi_sck_bit; if (is_on) byte |= bit; @@ -129,10 +102,7 @@ setmosi(struct spi_device *spi, int is_on) struct butterfly *pp = spidev_to_pp(spi); u8 bit, byte = pp->lastbyte; - if (is_usidev(spi)) - bit = usi_mosi_bit; - else - bit = spi_mosi_bit; + bit = spi_mosi_bit; if (is_on) byte |= bit; @@ -148,10 +118,7 @@ static inline int getmiso(struct spi_device *spi) int value; u8 bit; - if (is_usidev(spi)) - bit = usi_miso_bit; - else - bit = spi_miso_bit; + bit = spi_miso_bit; /* only STATUS_BUSY is NOT negated */ value = !(parport_read_status(pp->port) & bit); @@ -166,10 +133,6 @@ static void butterfly_chipselect(struct spi_device *spi, int value) if (value != BITBANG_CS_INACTIVE) setsck(spi, spi->mode & SPI_CPOL); - /* no chipselect on this USI link config */ - if (is_usidev(spi)) - return; - /* here, value == "activate or not"; * most PARPORT_CONTROL_* bits are negated, so we must * morph it to value == "bit value to write in control register" @@ -237,24 +200,16 @@ static void butterfly_attach(struct parport *p) int status; struct butterfly *pp; struct spi_master *master; - struct platform_device *pdev; + struct device *dev = p->physport->dev; - if (butterfly) + if (butterfly || !dev) return; /* REVISIT: this just _assumes_ a butterfly is there ... no probe, * and no way to be selective about what it binds to. */ - /* FIXME where should master->cdev.dev come from? - * e.g. /sys/bus/pnp0/00:0b, some PCI thing, etc - * setting up a platform device like this is an ugly kluge... - */ - pdev = platform_device_register_simple("butterfly", -1, NULL, 0); - if (IS_ERR(pdev)) - return; - - master = spi_alloc_master(&pdev->dev, sizeof *pp); + master = spi_alloc_master(dev, sizeof *pp); if (!master) { status = -ENOMEM; goto done; @@ -300,7 +255,7 @@ static void butterfly_attach(struct parport *p) parport_frob_control(pp->port, spi_cs_bit, 0); /* stabilize power with chip in reset (nRESET), and - * both spi_sck_bit and usi_sck_bit clear (CPOL=0) + * spi_sck_bit clear (CPOL=0) */ pp->lastbyte |= vcc_bits; parport_write_data(pp->port, pp->lastbyte); @@ -334,23 +289,6 @@ static void butterfly_attach(struct parport *p) pr_debug("%s: dataflash at %s\n", p->name, pp->dataflash->dev.bus_id); -#ifdef HAVE_USI - /* Bus 2 is only for talking to the AVR, and it can work no - * matter who masters bus 1; needs appropriate AVR firmware. - */ - pp->info[1].max_speed_hz = 10 /* ?? */ * 1000 * 1000; - strcpy(pp->info[1].modalias, "butterfly"); - // pp->info[1].platform_data = ... TBD ... ; - pp->info[1].chip_select = 2, - pp->info[1].controller_data = pp; - pp->butterfly = spi_new_device(pp->bitbang.master, &pp->info[1]); - if (pp->butterfly) - pr_debug("%s: butterfly at %s\n", p->name, - pp->butterfly->dev.bus_id); - - /* FIXME setup ACK for the IRQ line ... */ -#endif - // dev_info(_what?_, ...) pr_info("%s: AVR Butterfly\n", p->name); butterfly = pp; @@ -366,14 +304,12 @@ clean1: clean0: (void) spi_master_put(pp->bitbang.master); done: - platform_device_unregister(pdev); pr_debug("%s: butterfly probe, fail %d\n", p->name, status); } static void butterfly_detach(struct parport *p) { struct butterfly *pp; - struct platform_device *pdev; int status; /* FIXME this global is ugly ... but, how to quickly get from @@ -386,7 +322,6 @@ static void butterfly_detach(struct parport *p) butterfly = NULL; /* stop() unregisters child devices too */ - pdev = to_platform_device(pp->bitbang.master->cdev.dev); status = spi_bitbang_stop(&pp->bitbang); /* turn off VCC */ @@ -397,8 +332,6 @@ static void butterfly_detach(struct parport *p) parport_unregister_device(pp->pd); (void) spi_master_put(pp->bitbang.master); - - platform_device_unregister(pdev); } static struct parport_driver butterfly_driver = { diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c new file mode 100644 index 00000000000..c0a6dce800a --- /dev/null +++ b/drivers/spi/spidev.c @@ -0,0 +1,584 @@ +/* + * spidev.c -- simple synchronous userspace interface to SPI devices + * + * Copyright (C) 2006 SWAPP + * Andrea Paterniani <a.paterniani@swapp-eng.it> + * Copyright (C) 2007 David Brownell (simplification, cleanup) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/ioctl.h> +#include <linux/fs.h> +#include <linux/device.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/mutex.h> +#include <linux/slab.h> + +#include <linux/spi/spi.h> +#include <linux/spi/spidev.h> + +#include <asm/uaccess.h> + + +/* + * This supports acccess to SPI devices using normal userspace I/O calls. + * Note that while traditional UNIX/POSIX I/O semantics are half duplex, + * and often mask message boundaries, full SPI support requires full duplex + * transfers. There are several kinds of of internal message boundaries to + * handle chipselect management and other protocol options. + * + * SPI has a character major number assigned. We allocate minor numbers + * dynamically using a bitmask. You must use hotplug tools, such as udev + * (or mdev with busybox) to create and destroy the /dev/spidevB.C device + * nodes, since there is no fixed association of minor numbers with any + * particular SPI bus or device. + */ +#define SPIDEV_MAJOR 153 /* assigned */ +#define N_SPI_MINORS 32 /* ... up to 256 */ + +static unsigned long minors[N_SPI_MINORS / BITS_PER_LONG]; + + +/* Bit masks for spi_device.mode management */ +#define SPI_MODE_MASK (SPI_CPHA | SPI_CPOL) + + +struct spidev_data { + struct device dev; + struct spi_device *spi; + struct list_head device_entry; + + struct mutex buf_lock; + unsigned users; + u8 *buffer; +}; + +static LIST_HEAD(device_list); +static DEFINE_MUTEX(device_list_lock); + +static unsigned bufsiz = 4096; +module_param(bufsiz, uint, S_IRUGO); +MODULE_PARM_DESC(bufsiz, "data bytes in biggest supported SPI message"); + +/*-------------------------------------------------------------------------*/ + +/* Read-only message with current device setup */ +static ssize_t +spidev_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos) +{ + struct spidev_data *spidev; + struct spi_device *spi; + ssize_t status = 0; + + /* chipselect only toggles at start or end of operation */ + if (count > bufsiz) + return -EMSGSIZE; + + spidev = filp->private_data; + spi = spidev->spi; + + mutex_lock(&spidev->buf_lock); + status = spi_read(spi, spidev->buffer, count); + if (status == 0) { + unsigned long missing; + + missing = copy_to_user(buf, spidev->buffer, count); + if (count && missing == count) + status = -EFAULT; + else + status = count - missing; + } + mutex_unlock(&spidev->buf_lock); + + return status; +} + +/* Write-only message with current device setup */ +static ssize_t +spidev_write(struct file *filp, const char __user *buf, + size_t count, loff_t *f_pos) +{ + struct spidev_data *spidev; + struct spi_device *spi; + ssize_t status = 0; + unsigned long missing; + + /* chipselect only toggles at start or end of operation */ + if (count > bufsiz) + return -EMSGSIZE; + + spidev = filp->private_data; + spi = spidev->spi; + + mutex_lock(&spidev->buf_lock); + missing = copy_from_user(spidev->buffer, buf, count); + if (missing == 0) { + status = spi_write(spi, spidev->buffer, count); + if (status == 0) + status = count; + } else + status = -EFAULT; + mutex_unlock(&spidev->buf_lock); + + return status; +} + +static int spidev_message(struct spidev_data *spidev, + struct spi_ioc_transfer *u_xfers, unsigned n_xfers) +{ + struct spi_message msg; + struct spi_transfer *k_xfers; + struct spi_transfer *k_tmp; + struct spi_ioc_transfer *u_tmp; + struct spi_device *spi = spidev->spi; + unsigned n, total; + u8 *buf; + int status = -EFAULT; + + spi_message_init(&msg); + k_xfers = kcalloc(n_xfers, sizeof(*k_tmp), GFP_KERNEL); + if (k_xfers == NULL) + return -ENOMEM; + + /* Construct spi_message, copying any tx data to bounce buffer. + * We walk the array of user-provided transfers, using each one + * to initialize a kernel version of the same transfer. + */ + mutex_lock(&spidev->buf_lock); + buf = spidev->buffer; + total = 0; + for (n = n_xfers, k_tmp = k_xfers, u_tmp = u_xfers; + n; + n--, k_tmp++, u_tmp++) { + k_tmp->len = u_tmp->len; + + if (u_tmp->rx_buf) { + k_tmp->rx_buf = buf; + if (!access_ok(VERIFY_WRITE, u_tmp->rx_buf, u_tmp->len)) + goto done; + } + if (u_tmp->tx_buf) { + k_tmp->tx_buf = buf; + if (copy_from_user(buf, (const u8 __user *)u_tmp->tx_buf, + u_tmp->len)) + goto done; + } + + total += k_tmp->len; + if (total > bufsiz) { + status = -EMSGSIZE; + goto done; + } + buf += k_tmp->len; + + k_tmp->cs_change = !!u_tmp->cs_change; + k_tmp->bits_per_word = u_tmp->bits_per_word; + k_tmp->delay_usecs = u_tmp->delay_usecs; + k_tmp->speed_hz = u_tmp->speed_hz; +#ifdef VERBOSE + dev_dbg(&spi->dev, + " xfer len %zd %s%s%s%dbits %u usec %uHz\n", + u_tmp->len, + u_tmp->rx_buf ? "rx " : "", + u_tmp->tx_buf ? "tx " : "", + u_tmp->cs_change ? "cs " : "", + u_tmp->bits_per_word ? : spi->bits_per_word, + u_tmp->delay_usecs, + u_tmp->speed_hz ? : spi->max_speed_hz); +#endif + spi_message_add_tail(k_tmp, &msg); + } + + status = spi_sync(spi, &msg); + if (status < 0) + goto done; + + /* copy any rx data out of bounce buffer */ + buf = spidev->buffer; + for (n = n_xfers, u_tmp = u_xfers; n; n--, u_tmp++) { + if (u_tmp->rx_buf) { + if (__copy_to_user((u8 __user *)u_tmp->rx_buf, buf, + u_tmp->len)) { + status = -EFAULT; + goto done; + } + } + buf += u_tmp->len; + } + status = total; + +done: + mutex_unlock(&spidev->buf_lock); + kfree(k_xfers); + return status; +} + +static int +spidev_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + int err = 0; + int retval = 0; + struct spidev_data *spidev; + struct spi_device *spi; + u32 tmp; + unsigned n_ioc; + struct spi_ioc_transfer *ioc; + + /* Check type and command number */ + if (_IOC_TYPE(cmd) != SPI_IOC_MAGIC) + return -ENOTTY; + + /* Check access direction once here; don't repeat below. + * IOC_DIR is from the user perspective, while access_ok is + * from the kernel perspective; so they look reversed. + */ + if (_IOC_DIR(cmd) & _IOC_READ) + err = !access_ok(VERIFY_WRITE, + (void __user *)arg, _IOC_SIZE(cmd)); + if (err == 0 && _IOC_DIR(cmd) & _IOC_WRITE) + err = !access_ok(VERIFY_READ, + (void __user *)arg, _IOC_SIZE(cmd)); + if (err) + return -EFAULT; + + spidev = filp->private_data; + spi = spidev->spi; + + switch (cmd) { + /* read requests */ + case SPI_IOC_RD_MODE: + retval = __put_user(spi->mode & SPI_MODE_MASK, + (__u8 __user *)arg); + break; + case SPI_IOC_RD_LSB_FIRST: + retval = __put_user((spi->mode & SPI_LSB_FIRST) ? 1 : 0, + (__u8 __user *)arg); + break; + case SPI_IOC_RD_BITS_PER_WORD: + retval = __put_user(spi->bits_per_word, (__u8 __user *)arg); + break; + case SPI_IOC_RD_MAX_SPEED_HZ: + retval = __put_user(spi->max_speed_hz, (__u32 __user *)arg); + break; + + /* write requests */ + case SPI_IOC_WR_MODE: + retval = __get_user(tmp, (u8 __user *)arg); + if (retval == 0) { + u8 save = spi->mode; + + if (tmp & ~SPI_MODE_MASK) { + retval = -EINVAL; + break; + } + + tmp |= spi->mode & ~SPI_MODE_MASK; + spi->mode = (u8)tmp; + retval = spi_setup(spi); + if (retval < 0) + spi->mode = save; + else + dev_dbg(&spi->dev, "spi mode %02x\n", tmp); + } + break; + case SPI_IOC_WR_LSB_FIRST: + retval = __get_user(tmp, (__u8 __user *)arg); + if (retval == 0) { + u8 save = spi->mode; + + if (tmp) + spi->mode |= SPI_LSB_FIRST; + else + spi->mode &= ~SPI_LSB_FIRST; + retval = spi_setup(spi); + if (retval < 0) + spi->mode = save; + else + dev_dbg(&spi->dev, "%csb first\n", + tmp ? 'l' : 'm'); + } + break; + case SPI_IOC_WR_BITS_PER_WORD: + retval = __get_user(tmp, (__u8 __user *)arg); + if (retval == 0) { + u8 save = spi->bits_per_word; + + spi->bits_per_word = tmp; + retval = spi_setup(spi); + if (retval < 0) + spi->bits_per_word = save; + else + dev_dbg(&spi->dev, "%d bits per word\n", tmp); + } + break; + case SPI_IOC_WR_MAX_SPEED_HZ: + retval = __get_user(tmp, (__u32 __user *)arg); + if (retval == 0) { + u32 save = spi->max_speed_hz; + + spi->max_speed_hz = tmp; + retval = spi_setup(spi); + if (retval < 0) + spi->max_speed_hz = save; + else + dev_dbg(&spi->dev, "%d Hz (max)\n", tmp); + } + break; + + default: + /* segmented and/or full-duplex I/O request */ + if (_IOC_NR(cmd) != _IOC_NR(SPI_IOC_MESSAGE(0)) + || _IOC_DIR(cmd) != _IOC_WRITE) + return -ENOTTY; + + tmp = _IOC_SIZE(cmd); + if ((tmp % sizeof(struct spi_ioc_transfer)) != 0) { + retval = -EINVAL; + break; + } + n_ioc = tmp / sizeof(struct spi_ioc_transfer); + if (n_ioc == 0) + break; + + /* copy into scratch area */ + ioc = kmalloc(tmp, GFP_KERNEL); + if (!ioc) { + retval = -ENOMEM; + break; + } + if (__copy_from_user(ioc, (void __user *)arg, tmp)) { + retval = -EFAULT; + break; + } + + /* translate to spi_message, execute */ + retval = spidev_message(spidev, ioc, n_ioc); + kfree(ioc); + break; + } + return retval; +} + +static int spidev_open(struct inode *inode, struct file *filp) +{ + struct spidev_data *spidev; + int status = -ENXIO; + + mutex_lock(&device_list_lock); + + list_for_each_entry(spidev, &device_list, device_entry) { + if (spidev->dev.devt == inode->i_rdev) { + status = 0; + break; + } + } + if (status == 0) { + if (!spidev->buffer) { + spidev->buffer = kmalloc(bufsiz, GFP_KERNEL); + if (!spidev->buffer) { + dev_dbg(&spidev->spi->dev, "open/ENOMEM\n"); + status = -ENOMEM; + } + } + if (status == 0) { + spidev->users++; + filp->private_data = spidev; + nonseekable_open(inode, filp); + } + } else + pr_debug("spidev: nothing for minor %d\n", iminor(inode)); + + mutex_unlock(&device_list_lock); + return status; +} + +static int spidev_release(struct inode *inode, struct file *filp) +{ + struct spidev_data *spidev; + int status = 0; + + mutex_lock(&device_list_lock); + spidev = filp->private_data; + filp->private_data = NULL; + spidev->users--; + if (!spidev->users) { + kfree(spidev->buffer); + spidev->buffer = NULL; + } + mutex_unlock(&device_list_lock); + + return status; +} + +static struct file_operations spidev_fops = { + .owner = THIS_MODULE, + /* REVISIT switch to aio primitives, so that userspace + * gets more complete API coverage. It'll simplify things + * too, except for the locking. + */ + .write = spidev_write, + .read = spidev_read, + .ioctl = spidev_ioctl, + .open = spidev_open, + .release = spidev_release, +}; + +/*-------------------------------------------------------------------------*/ + +/* The main reason to have this class is to make mdev/udev create the + * /dev/spidevB.C character device nodes exposing our userspace API. + * It also simplifies memory management. + */ + +static void spidev_classdev_release(struct device *dev) +{ + struct spidev_data *spidev; + + spidev = container_of(dev, struct spidev_data, dev); + kfree(spidev); +} + +static struct class spidev_class = { + .name = "spidev", + .owner = THIS_MODULE, + .dev_release = spidev_classdev_release, +}; + +/*-------------------------------------------------------------------------*/ + +static int spidev_probe(struct spi_device *spi) +{ + struct spidev_data *spidev; + int status; + unsigned long minor; + + /* Allocate driver data */ + spidev = kzalloc(sizeof(*spidev), GFP_KERNEL); + if (!spidev) + return -ENOMEM; + + /* Initialize the driver data */ + spidev->spi = spi; + mutex_init(&spidev->buf_lock); + + INIT_LIST_HEAD(&spidev->device_entry); + + /* If we can allocate a minor number, hook up this device. + * Reusing minors is fine so long as udev or mdev is working. + */ + mutex_lock(&device_list_lock); + minor = find_first_zero_bit(minors, ARRAY_SIZE(minors)); + if (minor < N_SPI_MINORS) { + spidev->dev.parent = &spi->dev; + spidev->dev.class = &spidev_class; + spidev->dev.devt = MKDEV(SPIDEV_MAJOR, minor); + snprintf(spidev->dev.bus_id, sizeof spidev->dev.bus_id, + "spidev%d.%d", + spi->master->bus_num, spi->chip_select); + status = device_register(&spidev->dev); + } else { + dev_dbg(&spi->dev, "no minor number available!\n"); + status = -ENODEV; + } + if (status == 0) { + set_bit(minor, minors); + dev_set_drvdata(&spi->dev, spidev); + list_add(&spidev->device_entry, &device_list); + } + mutex_unlock(&device_list_lock); + + if (status != 0) + kfree(spidev); + + return status; +} + +static int spidev_remove(struct spi_device *spi) +{ + struct spidev_data *spidev = dev_get_drvdata(&spi->dev); + + mutex_lock(&device_list_lock); + + list_del(&spidev->device_entry); + dev_set_drvdata(&spi->dev, NULL); + clear_bit(MINOR(spidev->dev.devt), minors); + device_unregister(&spidev->dev); + + mutex_unlock(&device_list_lock); + + return 0; +} + +static struct spi_driver spidev_spi = { + .driver = { + .name = "spidev", + .owner = THIS_MODULE, + }, + .probe = spidev_probe, + .remove = __devexit_p(spidev_remove), + + /* NOTE: suspend/resume methods are not necessary here. + * We don't do anything except pass the requests to/from + * the underlying controller. The refrigerator handles + * most issues; the controller driver handles the rest. + */ +}; + +/*-------------------------------------------------------------------------*/ + +static int __init spidev_init(void) +{ + int status; + + /* Claim our 256 reserved device numbers. Then register a class + * that will key udev/mdev to add/remove /dev nodes. Last, register + * the driver which manages those device numbers. + */ + BUILD_BUG_ON(N_SPI_MINORS > 256); + status = register_chrdev(SPIDEV_MAJOR, "spi", &spidev_fops); + if (status < 0) + return status; + + status = class_register(&spidev_class); + if (status < 0) { + unregister_chrdev(SPIDEV_MAJOR, spidev_spi.driver.name); + return status; + } + + status = spi_register_driver(&spidev_spi); + if (status < 0) { + class_unregister(&spidev_class); + unregister_chrdev(SPIDEV_MAJOR, spidev_spi.driver.name); + } + return status; +} +module_init(spidev_init); + +static void __exit spidev_exit(void) +{ + spi_unregister_driver(&spidev_spi); + class_unregister(&spidev_class); + unregister_chrdev(SPIDEV_MAJOR, spidev_spi.driver.name); +} +module_exit(spidev_exit); + +MODULE_AUTHOR("Andrea Paterniani, <a.paterniani@swapp-eng.it>"); +MODULE_DESCRIPTION("User mode SPI device interface"); +MODULE_LICENSE("GPL"); diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c index 71cb64e41a1..c7b0a357b04 100644 --- a/drivers/telephony/ixj.c +++ b/drivers/telephony/ixj.c @@ -7692,7 +7692,7 @@ static int __init ixj_probe_pci(int *cnt) IXJ *j = NULL; for (i = 0; i < IXJMAX - *cnt; i++) { - pci = pci_find_device(PCI_VENDOR_ID_QUICKNET, + pci = pci_get_device(PCI_VENDOR_ID_QUICKNET, PCI_DEVICE_ID_QUICKNET_XJ, pci); if (!pci) break; @@ -7712,6 +7712,7 @@ static int __init ixj_probe_pci(int *cnt) printk(KERN_INFO "ixj: found Internet PhoneJACK PCI at 0x%x\n", j->DSPbase); ++*cnt; } + pci_dev_put(pci); return probe; } diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index b3f779f5933..b082d95bbba 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -77,7 +77,6 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/stat.h> #include <linux/timer.h> #include <linux/wait.h> diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 14de3b1b6a2..0081c1d1268 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -59,7 +59,6 @@ #include <linux/tty_driver.h> #include <linux/tty_flip.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> #include <asm/uaccess.h> #include <linux/usb.h> diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 6584cf00f7f..15e740e3a5c 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -49,7 +49,6 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/signal.h> #include <linux/poll.h> #include <linux/init.h> diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index bde29ab2b50..f6b74a678de 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -16,7 +16,6 @@ #include <linux/sched.h> #include <linux/list.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/ioctl.h> #include <linux/usb.h> #include <linux/usbdevice_fs.h> diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index cddfc62c461..cd4f1115728 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -36,7 +36,6 @@ #include <linux/usb.h> #include <linux/namei.h> #include <linux/usbdevice_fs.h> -#include <linux/smp_lock.h> #include <linux/parser.h> #include <linux/notifier.h> #include <asm/byteorder.h> diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index dfd1b5c87ca..18ddc5e67e3 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -31,7 +31,6 @@ #include <linux/init.h> #include <linux/spinlock.h> #include <linux/errno.h> -#include <linux/smp_lock.h> #include <linux/usb.h> #include <linux/mutex.h> #include <linux/workqueue.h> diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 2a6e3163d94..ba163f35bf2 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -31,7 +31,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/list.h> diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index 7d7909cf255..fcb5526cb08 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -41,7 +41,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 1dd8b57f442..325bf7cfb83 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -28,7 +28,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c index 65c91d3735d..ae931af05ce 100644 --- a/drivers/usb/gadget/goku_udc.c +++ b/drivers/usb/gadget/goku_udc.c @@ -30,7 +30,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index 49d737725f7..52779c52b56 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -54,7 +54,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index e552668d36b..f847c3414be 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -22,7 +22,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c index 8c85e33f74a..7078374d0b7 100644 --- a/drivers/usb/gadget/zero.c +++ b/drivers/usb/gadget/zero.c @@ -67,7 +67,6 @@ #include <linux/delay.h> #include <linux/ioport.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index c7458f7e56c..099aff64f53 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -24,7 +24,6 @@ #include <linux/ioport.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c index 93107453f12..37b83ba0996 100644 --- a/drivers/usb/host/ehci-ps3.c +++ b/drivers/usb/host/ehci-ps3.c @@ -97,7 +97,7 @@ static int ps3_ehci_sb_probe(struct ps3_system_bus_device *dev) dev_dbg(&dev->core, "%s:%d: mmio mapped_addr %lxh\n", __func__, __LINE__, dev->m_region->lpar_addr); - result = ps3_alloc_io_irq(PS3_BINDING_CPU_ANY, dev->interrupt_id, &virq); + result = ps3_io_irq_setup(PS3_BINDING_CPU_ANY, dev->interrupt_id, &virq); if (result) { dev_dbg(&dev->core, "%s:%d: ps3_construct_io_irq(%d) failed.\n", @@ -155,7 +155,7 @@ fail_add_hcd: fail_ioremap: usb_put_hcd(hcd); fail_create_hcd: - ps3_free_io_irq(virq); + ps3_io_irq_destroy(virq); fail_irq: ps3_free_mmio_region(dev->m_region); fail_mmio: diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index e8bbe8bc259..a66637e725f 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -26,7 +26,6 @@ #include <linux/ioport.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c index 08e237c7bc4..c43b66acd4d 100644 --- a/drivers/usb/host/ohci-ppc-of.c +++ b/drivers/usb/host/ohci-ppc-of.c @@ -97,8 +97,8 @@ ohci_hcd_ppc_of_probe(struct of_device *op, const struct of_device_id *match) return -ENODEV; is_bigendian = - device_is_compatible(dn, "ohci-bigendian") || - device_is_compatible(dn, "ohci-be"); + of_device_is_compatible(dn, "ohci-bigendian") || + of_device_is_compatible(dn, "ohci-be"); dev_dbg(&op->dev, "initializing PPC-OF USB Controller\n"); diff --git a/drivers/usb/host/ohci-ps3.c b/drivers/usb/host/ohci-ps3.c index c849f72b508..d7cf07288b0 100644 --- a/drivers/usb/host/ohci-ps3.c +++ b/drivers/usb/host/ohci-ps3.c @@ -99,7 +99,7 @@ static int ps3_ohci_sb_probe(struct ps3_system_bus_device *dev) dev_dbg(&dev->core, "%s:%d: mmio mapped_addr %lxh\n", __func__, __LINE__, dev->m_region->lpar_addr); - result = ps3_alloc_io_irq(PS3_BINDING_CPU_ANY, dev->interrupt_id, &virq); + result = ps3_io_irq_setup(PS3_BINDING_CPU_ANY, dev->interrupt_id, &virq); if (result) { dev_dbg(&dev->core, "%s:%d: ps3_construct_io_irq(%d) failed.\n", @@ -157,7 +157,7 @@ fail_add_hcd: fail_ioremap: usb_put_hcd(hcd); fail_create_hcd: - ps3_free_io_irq(virq); + ps3_io_irq_destroy(virq); fail_irq: ps3_free_mmio_region(dev->m_region); fail_mmio: diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index 5fa5647ea09..4cfa3ff2c99 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -38,7 +38,6 @@ #include <linux/ioport.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index a7fa0d75567..ff0dba01f1c 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -43,7 +43,6 @@ #include <linux/pci_ids.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/timer.h> diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c index d308afd0693..36502a06f73 100644 --- a/drivers/usb/image/mdc800.c +++ b/drivers/usb/image/mdc800.c @@ -94,7 +94,6 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/mutex.h> diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 896cb2b7102..51bd80d2b8c 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -128,7 +128,6 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/usb.h> #include <linux/proc_fs.h> diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c index 15c70bd048c..8d0e360636e 100644 --- a/drivers/usb/misc/idmouse.c +++ b/drivers/usb/misc/idmouse.c @@ -22,7 +22,6 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/completion.h> #include <linux/mutex.h> #include <asm/uaccess.h> diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index 5dce797bddb..1713e19a789 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -80,7 +80,6 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/completion.h> #include <linux/mutex.h> #include <asm/uaccess.h> diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c index fdf68479a16..88f6abe7362 100644 --- a/drivers/usb/misc/rio500.c +++ b/drivers/usb/misc/rio500.c @@ -39,7 +39,6 @@ #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/usb.h> -#include <linux/smp_lock.h> #include <linux/wait.h> #include "rio500_usb.h" diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c index 1730d8642a4..5947afb0017 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_con.c +++ b/drivers/usb/misc/sisusbvga/sisusb_con.c @@ -62,7 +62,6 @@ #include <linux/selection.h> #include <linux/spinlock.h> #include <linux/kref.h> -#include <linux/smp_lock.h> #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/vmalloc.h> @@ -322,7 +321,7 @@ sisusbcon_deinit(struct vc_data *c) /* interface routine */ static u8 sisusbcon_build_attr(struct vc_data *c, u8 color, u8 intensity, - u8 blink, u8 underline, u8 reverse) + u8 blink, u8 underline, u8 reverse, u8 unused) { u8 attr = color; diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c index 8a1df2c9c73..8977ec0d0f9 100644 --- a/drivers/usb/mon/mon_main.c +++ b/drivers/usb/mon/mon_main.c @@ -9,7 +9,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/usb.h> -#include <linux/smp_lock.h> #include <linux/notifier.h> #include <linux/mutex.h> diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 7639022cdf8..87f378806db 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -28,7 +28,6 @@ #include <linux/spinlock.h> #include <linux/mutex.h> #include <linux/list.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <linux/usb.h> #include <linux/usb/serial.h> diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h index 21f3ddbc908..6dac1ffdde8 100644 --- a/drivers/usb/storage/usb.h +++ b/drivers/usb/storage/usb.h @@ -47,7 +47,6 @@ #include <linux/usb.h> #include <linux/usb_usual.h> #include <linux/blkdev.h> -#include <linux/smp_lock.h> #include <linux/completion.h> #include <linux/mutex.h> #include <scsi/scsi_host.h> diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 344c3759530..1132ba5ff39 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -5,6 +5,11 @@ menu "Graphics support" source "drivers/video/backlight/Kconfig" +source "drivers/video/display/Kconfig" + +config VGASTATE + tristate + default n config FB tristate "Support for frame buffer devices" @@ -90,6 +95,43 @@ config FB_CFB_IMAGEBLIT blitting. This is used by drivers that don't provide their own (accelerated) version. +config FB_SYS_FILLRECT + tristate + depends on FB + default n + ---help--- + Include the sys_fillrect function for generic software rectangle + filling. This is used by drivers that don't provide their own + (accelerated) version and the framebuffer is in system RAM. + +config FB_SYS_COPYAREA + tristate + depends on FB + default n + ---help--- + Include the sys_copyarea function for generic software area copying. + This is used by drivers that don't provide their own (accelerated) + version and the framebuffer is in system RAM. + +config FB_SYS_IMAGEBLIT + tristate + depends on FB + default n + ---help--- + Include the sys_imageblit function for generic software image + blitting. This is used by drivers that don't provide their own + (accelerated) version and the framebuffer is in system RAM. + +config FB_SYS_FOPS + tristate + depends on FB + default n + +config FB_DEFERRED_IO + bool + depends on FB + default y + config FB_SVGALIB tristate depends on FB @@ -375,9 +417,10 @@ config FB_FM2 config FB_ARC tristate "Arc Monochrome LCD board support" depends on FB && X86 - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT + select FB_SYS_FILLRECT + select FB_SYS_COPYAREA + select FB_SYS_IMAGEBLIT + select FB_SYS_FOPS help This enables support for the Arc Monochrome LCD board. The board is based on the KS-108 lcd controller and is typically a matrix @@ -475,6 +518,8 @@ config FB_VGA16 select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select VGASTATE + select FONT_8x16 if FRAMEBUFFER_CONSOLE help This is the frame buffer device driver for VGA 16 color graphic cards. Say Y if you have such a card. @@ -519,15 +564,25 @@ config FB_HP300 default y config FB_TGA - tristate "TGA framebuffer support" - depends on FB && ALPHA + tristate "TGA/SFB+ framebuffer support" + depends on FB && (ALPHA || TC) select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT select BITREVERSE - help - This is the frame buffer device driver for generic TGA graphic - cards. Say Y if you have one of those. + ---help--- + This is the frame buffer device driver for generic TGA and SFB+ + graphic cards. These include DEC ZLXp-E1, -E2 and -E3 PCI cards, + also known as PBXGA-A, -B and -C, and DEC ZLX-E1, -E2 and -E3 + TURBOchannel cards, also known as PMAGD-A, -B and -C. + + Due to hardware limitations ZLX-E2 and E3 cards are not supported + for DECstation 5000/200 systems. Additionally due to firmware + limitations these cards may cause troubles with booting DECstation + 5000/240 and /260 systems, but are fully supported under Linux if + you manage to get it going. ;-) + + Say Y if you have one of those. config FB_VESA bool "VESA VGA graphics support" @@ -551,6 +606,21 @@ config FB_IMAC help This is the frame buffer device driver for the Intel-based Macintosh +config FB_HECUBA + tristate "Hecuba board support" + depends on FB && X86 && MMU + select FB_SYS_FILLRECT + select FB_SYS_COPYAREA + select FB_SYS_IMAGEBLIT + select FB_SYS_FOPS + select FB_DEFERRED_IO + help + This enables support for the Hecuba board. This driver was tested + with an E-Ink 800x600 display and x86 SBCs through a 16 bit GPIO + interface (8 bit data, 4 bit control). If you anticpate using + this driver, say Y or M; otherwise say N. You must specify the + GPIO IO address to be used for setting control and data. + config FB_HGA tristate "Hercules mono graphics support" depends on FB && X86 @@ -686,6 +756,7 @@ config FB_NVIDIA select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT select BITREVERSE + select VGASTATE help This driver supports graphics boards with the nVidia chips, TNT and newer. For very old chipsets, such as the RIVA128, then use @@ -724,6 +795,7 @@ config FB_RIVA select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT select BITREVERSE + select VGASTATE help This driver supports graphics boards with the nVidia Riva/Geforce chips. @@ -770,6 +842,7 @@ config FB_I810 select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select VGASTATE help This driver supports the on-board graphics built in to the Intel 810 and 815 chipsets. Say Y if you have and plan to use such a board. @@ -809,6 +882,22 @@ config FB_I810_I2C select FB_DDC help +config FB_LE80578 + tristate "Intel LE80578 (Vermilion) support" + depends on FB && PCI && X86 + select FB_MODE_HELPERS + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This driver supports the LE80578 (Vermilion Range) chipset + +config FB_CARILLO_RANCH + tristate "Intel Carillo Ranch support" + depends on FB_LE80578 && FB && PCI && X86 + help + This driver supports the LE80578 (Carillo Ranch) board + config FB_INTEL tristate "Intel 830M/845G/852GM/855GM/865G/915G/945G support (EXPERIMENTAL)" depends on FB && EXPERIMENTAL && PCI && X86 @@ -1120,6 +1209,8 @@ config FB_S3 select FB_CFB_IMAGEBLIT select FB_TILEBLITTING select FB_SVGALIB + select VGASTATE + select FONT_8x16 if FRAMEBUFFER_CONSOLE ---help--- Driver for graphics boards with S3 Trio / S3 Virge chip. @@ -1130,6 +1221,7 @@ config FB_SAVAGE select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select VGASTATE help This driver supports notebooks and computers with S3 Savage PCI/AGP chips. @@ -1196,6 +1288,7 @@ config FB_NEOMAGIC select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select VGASTATE help This driver supports notebooks with NeoMagic PCI chips. Say Y if you have such a graphics card. @@ -1662,13 +1755,25 @@ config FB_PS3_DEFAULT_SIZE_M The default value can be overridden on the kernel command line using the "ps3fb" option (e.g. "ps3fb=9M"); -config FB_VIRTUAL - tristate "Virtual Frame Buffer support (ONLY FOR TESTING!)" - depends on FB +config FB_XILINX + tristate "Xilinx frame buffer support" + depends on FB && XILINX_VIRTEX select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT ---help--- + Include support for the Xilinx ML300/ML403 reference design + framebuffer. ML300 carries a 640*480 LCD display on the board, + ML403 uses a standard DB15 VGA connector. + +config FB_VIRTUAL + tristate "Virtual Frame Buffer support (ONLY FOR TESTING!)" + depends on FB + select FB_SYS_FILLRECT + select FB_SYS_COPYAREA + select FB_SYS_IMAGEBLIT + select FB_SYS_FOPS + ---help--- This is a `virtual' frame buffer device. It operates on a chunk of unswappable kernel memory instead of on the memory of a graphics board. This means you cannot see any output sent to this frame diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 558473d040d..a916c204274 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -4,6 +4,7 @@ # Each configuration option enables a list of files. +obj-$(CONFIG_VGASTATE) += vgastate.o obj-y += fb_notify.o obj-$(CONFIG_FB) += fb.o fb-y := fbmem.o fbmon.o fbcmap.o fbsysfs.o \ @@ -12,14 +13,19 @@ fb-objs := $(fb-y) obj-$(CONFIG_VT) += console/ obj-$(CONFIG_LOGO) += logo/ -obj-y += backlight/ +obj-y += backlight/ display/ obj-$(CONFIG_FB_CFB_FILLRECT) += cfbfillrect.o obj-$(CONFIG_FB_CFB_COPYAREA) += cfbcopyarea.o obj-$(CONFIG_FB_CFB_IMAGEBLIT) += cfbimgblt.o +obj-$(CONFIG_FB_SYS_FILLRECT) += sysfillrect.o +obj-$(CONFIG_FB_SYS_COPYAREA) += syscopyarea.o +obj-$(CONFIG_FB_SYS_IMAGEBLIT) += sysimgblt.o +obj-$(CONFIG_FB_SYS_FOPS) += fb_sys_fops.o obj-$(CONFIG_FB_SVGALIB) += svgalib.o obj-$(CONFIG_FB_MACMODES) += macmodes.o obj-$(CONFIG_FB_DDC) += fb_ddc.o +obj-$(CONFIG_FB_DEFERRED_IO) += fb_defio.o # Hardware specific drivers go first obj-$(CONFIG_FB_AMIGA) += amifb.o c2p.o @@ -30,7 +36,7 @@ obj-$(CONFIG_FB_PM2) += pm2fb.o obj-$(CONFIG_FB_PM3) += pm3fb.o obj-$(CONFIG_FB_MATROX) += matrox/ -obj-$(CONFIG_FB_RIVA) += riva/ vgastate.o +obj-$(CONFIG_FB_RIVA) += riva/ obj-$(CONFIG_FB_NVIDIA) += nvidia/ obj-$(CONFIG_FB_ATY) += aty/ macmodes.o obj-$(CONFIG_FB_ATY128) += aty/ macmodes.o @@ -40,8 +46,7 @@ obj-$(CONFIG_FB_KYRO) += kyro/ obj-$(CONFIG_FB_SAVAGE) += savage/ obj-$(CONFIG_FB_GEODE) += geode/ obj-$(CONFIG_FB_MBX) += mbx/ -obj-$(CONFIG_FB_I810) += vgastate.o -obj-$(CONFIG_FB_NEOMAGIC) += neofb.o vgastate.o +obj-$(CONFIG_FB_NEOMAGIC) += neofb.o obj-$(CONFIG_FB_3DFX) += tdfxfb.o obj-$(CONFIG_FB_CONTROL) += controlfb.o obj-$(CONFIG_FB_PLATINUM) += platinumfb.o @@ -51,7 +56,8 @@ obj-$(CONFIG_FB_IMSTT) += imsttfb.o obj-$(CONFIG_FB_FM2) += fm2fb.o obj-$(CONFIG_FB_CYBLA) += cyblafb.o obj-$(CONFIG_FB_TRIDENT) += tridentfb.o -obj-$(CONFIG_FB_S3) += s3fb.o vgastate.o +obj-$(CONFIG_FB_LE80578) += vermilion/ +obj-$(CONFIG_FB_S3) += s3fb.o obj-$(CONFIG_FB_STI) += stifb.o obj-$(CONFIG_FB_FFB) += ffb.o sbuslib.o obj-$(CONFIG_FB_CG6) += cg6.o sbuslib.o @@ -66,6 +72,7 @@ obj-$(CONFIG_FB_ACORN) += acornfb.o obj-$(CONFIG_FB_ATARI) += atafb.o c2p.o atafb_mfb.o \ atafb_iplan2p2.o atafb_iplan2p4.o atafb_iplan2p8.o obj-$(CONFIG_FB_MAC) += macfb.o +obj-$(CONFIG_FB_HECUBA) += hecubafb.o obj-$(CONFIG_FB_HGA) += hgafb.o obj-$(CONFIG_FB_XVR500) += sunxvr500.o obj-$(CONFIG_FB_XVR2500) += sunxvr2500.o @@ -102,11 +109,12 @@ obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnx4008/ obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o obj-$(CONFIG_FB_PS3) += ps3fb.o obj-$(CONFIG_FB_SM501) += sm501fb.o +obj-$(CONFIG_FB_XILINX) += xilinxfb.o # Platform or fallback drivers go here obj-$(CONFIG_FB_VESA) += vesafb.o obj-$(CONFIG_FB_IMAC) += imacfb.o -obj-$(CONFIG_FB_VGA16) += vga16fb.o vgastate.o +obj-$(CONFIG_FB_VGA16) += vga16fb.o obj-$(CONFIG_FB_OF) += offb.o # the test framebuffer is last diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c index 30a8369757e..db15baca3f7 100644 --- a/drivers/video/arcfb.c +++ b/drivers/video/arcfb.c @@ -262,7 +262,8 @@ static void arcfb_lcd_update_page(struct arcfb_par *par, unsigned int upper, ks108_set_yaddr(par, chipindex, upper/8); linesize = par->info->var.xres/8; - src = par->info->screen_base + (left/8) + (upper * linesize); + src = (unsigned char __force *) par->info->screen_base + (left/8) + + (upper * linesize); ks108_set_xaddr(par, chipindex, left); bitmask=1; @@ -368,7 +369,7 @@ static void arcfb_fillrect(struct fb_info *info, { struct arcfb_par *par = info->par; - cfb_fillrect(info, rect); + sys_fillrect(info, rect); /* update the physical lcd */ arcfb_lcd_update(par, rect->dx, rect->dy, rect->width, rect->height); @@ -379,7 +380,7 @@ static void arcfb_copyarea(struct fb_info *info, { struct arcfb_par *par = info->par; - cfb_copyarea(info, area); + sys_copyarea(info, area); /* update the physical lcd */ arcfb_lcd_update(par, area->dx, area->dy, area->width, area->height); @@ -389,7 +390,7 @@ static void arcfb_imageblit(struct fb_info *info, const struct fb_image *image) { struct arcfb_par *par = info->par; - cfb_imageblit(info, image); + sys_imageblit(info, image); /* update the physical lcd */ arcfb_lcd_update(par, image->dx, image->dy, image->width, @@ -439,14 +440,11 @@ static int arcfb_ioctl(struct fb_info *info, * the fb. it's inefficient for them to do anything less than 64*8 * writes since we update the lcd in each write() anyway. */ -static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t count, - loff_t *ppos) +static ssize_t arcfb_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos) { /* modded from epson 1355 */ - struct inode *inode; - int fbidx; - struct fb_info *info; unsigned long p; int err=-EINVAL; unsigned int fbmemlength,x,y,w,h, bitppos, startpos, endpos, bitcount; @@ -454,13 +452,6 @@ static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t cou unsigned int xres; p = *ppos; - inode = file->f_path.dentry->d_inode; - fbidx = iminor(inode); - info = registered_fb[fbidx]; - - if (!info || !info->screen_base) - return -ENODEV; - par = info->par; xres = info->var.xres; fbmemlength = (xres * info->var.yres)/8; @@ -477,7 +468,7 @@ static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t cou if (count) { char *base_addr; - base_addr = info->screen_base; + base_addr = (char __force *)info->screen_base; count -= copy_from_user(base_addr + p, buf, count); *ppos += count; err = -EFAULT; @@ -503,6 +494,7 @@ static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t cou static struct fb_ops arcfb_ops = { .owner = THIS_MODULE, .fb_open = arcfb_open, + .fb_read = fb_sys_read, .fb_write = arcfb_write, .fb_release = arcfb_release, .fb_pan_display = arcfb_pan_display, @@ -603,7 +595,7 @@ static int arcfb_remove(struct platform_device *dev) if (info) { unregister_framebuffer(info); - vfree(info->screen_base); + vfree((void __force *)info->screen_base); framebuffer_release(info); } return 0; diff --git a/drivers/video/aty/ati_ids.h b/drivers/video/aty/ati_ids.h index 39ab483fc25..90e7df22f50 100644 --- a/drivers/video/aty/ati_ids.h +++ b/drivers/video/aty/ati_ids.h @@ -209,4 +209,4 @@ #define PCI_CHIP_R423_5D57 0x5D57 #define PCI_CHIP_RS350_7834 0x7834 #define PCI_CHIP_RS350_7835 0x7835 - +#define PCI_CHIP_RS480_5955 0x5955 diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index e86d7e0c982..7fea4d8ae8e 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -2165,18 +2165,29 @@ static void __devexit aty128_remove(struct pci_dev *pdev) static int aty128fb_blank(int blank, struct fb_info *fb) { struct aty128fb_par *par = fb->par; - u8 state = 0; + u8 state; if (par->lock_blank || par->asleep) return 0; - if (blank & FB_BLANK_VSYNC_SUSPEND) - state |= 2; - if (blank & FB_BLANK_HSYNC_SUSPEND) - state |= 1; - if (blank & FB_BLANK_POWERDOWN) - state |= 4; - + switch (blank) { + case FB_BLANK_NORMAL: + state = 4; + break; + case FB_BLANK_VSYNC_SUSPEND: + state = 6; + break; + case FB_BLANK_HSYNC_SUSPEND: + state = 5; + break; + case FB_BLANK_POWERDOWN: + state = 7; + break; + case FB_BLANK_UNBLANK: + default: + state = 0; + break; + } aty_st_8(CRTC_EXT_CNTL+1, state); if (par->chip_gen == rage_M3) { @@ -2430,7 +2441,7 @@ static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state) wait_for_idle(par); /* Blank display and LCD */ - aty128fb_blank(VESA_POWERDOWN, info); + aty128fb_blank(FB_BLANK_POWERDOWN, info); /* Sleep */ par->asleep = 1; diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index 8514f2a6f06..ea67dd902d4 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -2297,20 +2297,6 @@ static int __devinit aty_init(struct fb_info *info) par->pll_limits.xclk = 53; } #endif - if (pll) - par->pll_limits.pll_max = pll; - if (mclk) - par->pll_limits.mclk = mclk; - if (xclk) - par->pll_limits.xclk = xclk; - - aty_calc_mem_refresh(par, par->pll_limits.xclk); - par->pll_per = 1000000/par->pll_limits.pll_max; - par->mclk_per = 1000000/par->pll_limits.mclk; - par->xclk_per = 1000000/par->pll_limits.xclk; - - par->ref_clk_per = 1000000000000ULL / 14318180; - xtal = "14.31818"; #ifdef CONFIG_FB_ATY_GX if (!M64_HAS(INTEGRATED)) { @@ -2338,6 +2324,7 @@ static int __devinit aty_init(struct fb_info *info) case DAC_IBMRGB514: par->dac_ops = &aty_dac_ibm514; break; +#ifdef CONFIG_ATARI case DAC_ATI68860_B: case DAC_ATI68860_C: par->dac_ops = &aty_dac_ati68860b; @@ -2346,6 +2333,7 @@ static int __devinit aty_init(struct fb_info *info) case DAC_ATT21C498: par->dac_ops = &aty_dac_att21c498; break; +#endif default: PRINTKI("aty_init: DAC type not implemented yet!\n"); par->dac_ops = &aty_dac_unsupported; @@ -2389,8 +2377,29 @@ static int __devinit aty_init(struct fb_info *info) /* for many chips, the mclk is 67 MHz for SDRAM, 63 MHz otherwise */ if (par->pll_limits.mclk == 67 && par->ram_type < SDRAM) par->pll_limits.mclk = 63; + /* Mobility + 32bit memory interface need halved XCLK. */ + if (M64_HAS(MOBIL_BUS) && par->ram_type == SDRAM32) + par->pll_limits.xclk = (par->pll_limits.xclk + 1) >> 1; } +#endif + /* Allow command line to override clocks. */ + if (pll) + par->pll_limits.pll_max = pll; + if (mclk) + par->pll_limits.mclk = mclk; + if (xclk) + par->pll_limits.xclk = xclk; + + aty_calc_mem_refresh(par, par->pll_limits.xclk); + par->pll_per = 1000000/par->pll_limits.pll_max; + par->mclk_per = 1000000/par->pll_limits.mclk; + par->xclk_per = 1000000/par->pll_limits.xclk; + + par->ref_clk_per = 1000000000000ULL / 14318180; + xtal = "14.31818"; + +#ifdef CONFIG_FB_ATY_CT if (M64_HAS(GTB_DSP)) { u8 pll_ref_div = aty_ld_pll_ct(PLL_REF_DIV, par); diff --git a/drivers/video/aty/mach64_ct.c b/drivers/video/aty/mach64_ct.c index 1fdcfdbf669..cc9e9779b75 100644 --- a/drivers/video/aty/mach64_ct.c +++ b/drivers/video/aty/mach64_ct.c @@ -608,12 +608,10 @@ static void aty_resume_pll_ct(const struct fb_info *info, aty_st_pll_ct(SCLK_FB_DIV, pll->ct.sclk_fb_div, par); aty_st_pll_ct(SPLL_CNTL2, pll->ct.spll_cntl2, par); /* - * The sclk has been started. However, I believe the first clock - * ticks it generates are not very stable. Hope this primitive loop - * helps for Rage Mobilities that sometimes crash when - * we switch to sclk. (Daniel Mantione, 13-05-2003) + * SCLK has been started. Wait for the PLL to lock. 5 ms + * should be enough according to mach64 programmer's guide. */ - udelay(500); + mdelay(5); } aty_st_pll_ct(PLL_REF_DIV, pll->ct.pll_ref_div, par); diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c index a4b3fd185de..2ce05019301 100644 --- a/drivers/video/aty/radeon_base.c +++ b/drivers/video/aty/radeon_base.c @@ -100,6 +100,8 @@ { PCI_VENDOR_ID_ATI, id, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (flags) | (CHIP_FAMILY_##family) } static struct pci_device_id radeonfb_pci_table[] = { + /* Radeon Xpress 200m */ + CHIP_DEF(PCI_CHIP_RS480_5955, RS480, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY), /* Mobility M6 */ CHIP_DEF(PCI_CHIP_RADEON_LY, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY), CHIP_DEF(PCI_CHIP_RADEON_LZ, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY), @@ -422,7 +424,7 @@ static int __devinit radeon_read_xtal_OF (struct radeonfb_info *rinfo) if (dp == NULL) return -ENODEV; - val = get_property(dp, "ATY,RefCLK", NULL); + val = of_get_property(dp, "ATY,RefCLK", NULL); if (!val || !*val) { printk(KERN_WARNING "radeonfb: No ATY,RefCLK property !\n"); return -EINVAL; @@ -430,11 +432,11 @@ static int __devinit radeon_read_xtal_OF (struct radeonfb_info *rinfo) rinfo->pll.ref_clk = (*val) / 10; - val = get_property(dp, "ATY,SCLK", NULL); + val = of_get_property(dp, "ATY,SCLK", NULL); if (val && *val) rinfo->pll.sclk = (*val) / 10; - val = get_property(dp, "ATY,MCLK", NULL); + val = of_get_property(dp, "ATY,MCLK", NULL); if (val && *val) rinfo->pll.mclk = (*val) / 10; @@ -1994,7 +1996,8 @@ static void radeon_identify_vram(struct radeonfb_info *rinfo) /* framebuffer size */ if ((rinfo->family == CHIP_FAMILY_RS100) || (rinfo->family == CHIP_FAMILY_RS200) || - (rinfo->family == CHIP_FAMILY_RS300)) { + (rinfo->family == CHIP_FAMILY_RS300) || + (rinfo->family == CHIP_FAMILY_RS480) ) { u32 tom = INREG(NB_TOM); tmp = ((((tom >> 16) - (tom & 0xffff) + 1) << 6) * 1024); diff --git a/drivers/video/aty/radeon_monitor.c b/drivers/video/aty/radeon_monitor.c index 737b5c09dbd..2030ed81342 100644 --- a/drivers/video/aty/radeon_monitor.c +++ b/drivers/video/aty/radeon_monitor.c @@ -70,7 +70,7 @@ static int __devinit radeon_parse_montype_prop(struct device_node *dp, u8 **out_ int i, mt = MT_NONE; RTRACE("analyzing OF properties...\n"); - pmt = get_property(dp, "display-type", NULL); + pmt = of_get_property(dp, "display-type", NULL); if (!pmt) return MT_NONE; RTRACE("display-type: %s\n", pmt); @@ -89,7 +89,7 @@ static int __devinit radeon_parse_montype_prop(struct device_node *dp, u8 **out_ } for (i = 0; propnames[i] != NULL; ++i) { - pedid = get_property(dp, propnames[i], NULL); + pedid = of_get_property(dp, propnames[i], NULL); if (pedid != NULL) break; } @@ -98,9 +98,10 @@ static int __devinit radeon_parse_montype_prop(struct device_node *dp, u8 **out_ * single-head cards have hdno == -1 and skip this step */ if (pedid == NULL && dp->parent && (hdno != -1)) - pedid = get_property(dp->parent, (hdno == 0) ? "EDID1" : "EDID2", NULL); + pedid = of_get_property(dp->parent, + (hdno == 0) ? "EDID1" : "EDID2", NULL); if (pedid == NULL && dp->parent && (hdno == 0)) - pedid = get_property(dp->parent, "EDID", NULL); + pedid = of_get_property(dp->parent, "EDID", NULL); if (pedid == NULL) return mt; @@ -130,7 +131,7 @@ static int __devinit radeon_probe_OF_head(struct radeonfb_info *rinfo, int head_ do { if (!dp) return MT_NONE; - pname = get_property(dp, "name", NULL); + pname = of_get_property(dp, "name", NULL); if (!pname) return MT_NONE; len = strlen(pname); diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c index c411293cefc..be1d57bf9dc 100644 --- a/drivers/video/aty/radeon_pm.c +++ b/drivers/video/aty/radeon_pm.c @@ -1290,7 +1290,7 @@ static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo) if (rinfo->of_node != NULL) { int size; - mrtable = get_property(rinfo->of_node, "ATY,MRT", &size); + mrtable = of_get_property(rinfo->of_node, "ATY,MRT", &size); if (mrtable) mrtable_size = size >> 2; else @@ -2826,11 +2826,15 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlis rinfo->pm_reg = pci_find_capability(rinfo->pdev, PCI_CAP_ID_PM); /* Enable/Disable dynamic clocks: TODO add sysfs access */ - rinfo->dynclk = dynclk; - if (dynclk == 1) { + if (rinfo->family == CHIP_FAMILY_RS480) + rinfo->dynclk = -1; + else + rinfo->dynclk = dynclk; + + if (rinfo->dynclk == 1) { radeon_pm_enable_dynamic_mode(rinfo); printk("radeonfb: Dynamic Clock Power Management enabled\n"); - } else if (dynclk == 0) { + } else if (rinfo->dynclk == 0) { radeon_pm_disable_dynamic_mode(rinfo); printk("radeonfb: Dynamic Clock Power Management disabled\n"); } diff --git a/drivers/video/aty/radeonfb.h b/drivers/video/aty/radeonfb.h index 31900036028..7ebffcdfd1e 100644 --- a/drivers/video/aty/radeonfb.h +++ b/drivers/video/aty/radeonfb.h @@ -48,6 +48,7 @@ enum radeon_family { CHIP_FAMILY_RV350, CHIP_FAMILY_RV380, /* RV370/RV380/M22/M24 */ CHIP_FAMILY_R420, /* R420/R423/M18 */ + CHIP_FAMILY_RS480, CHIP_FAMILY_LAST, }; @@ -64,7 +65,8 @@ enum radeon_family { ((rinfo)->family == CHIP_FAMILY_RV350) || \ ((rinfo)->family == CHIP_FAMILY_R350) || \ ((rinfo)->family == CHIP_FAMILY_RV380) || \ - ((rinfo)->family == CHIP_FAMILY_R420)) + ((rinfo)->family == CHIP_FAMILY_R420) || \ + ((rinfo)->family == CHIP_FAMILY_RS480) ) /* * Chip flags diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 47d15b5d985..fbef663fc05 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -63,3 +63,11 @@ config BACKLIGHT_PROGEAR help If you have a Frontpath ProGear say Y to enable the backlight driver. + +config BACKLIGHT_CARILLO_RANCH + tristate "Intel Carillo Ranch Backlight Driver" + depends on BACKLIGHT_CLASS_DEVICE && LCD_CLASS_DEVICE && PCI && X86 && FB_LE80578 + default n + help + If you have a Intel LE80578 (Carillo Ranch) say Y to enable the + backlight driver. diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 0c3ce46f509..c6e2266f63e 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_BACKLIGHT_CORGI) += corgi_bl.o obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o obj-$(CONFIG_BACKLIGHT_LOCOMO) += locomolcd.o obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o +obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c new file mode 100644 index 00000000000..e9bbc3455c9 --- /dev/null +++ b/drivers/video/backlight/cr_bllcd.c @@ -0,0 +1,287 @@ +/* + * Copyright (c) Intel Corp. 2007. + * All Rights Reserved. + * + * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + * develop this driver. + * + * This file is part of the Carillo Ranch video subsystem driver. + * The Carillo Ranch video subsystem driver is free software; + * you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * The Carillo Ranch video subsystem driver is distributed + * in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this driver; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Authors: + * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> + * Alan Hourihane <alanh-at-tungstengraphics-dot-com> + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mutex.h> +#include <linux/fb.h> +#include <linux/backlight.h> +#include <linux/lcd.h> +#include <linux/pci.h> +#include <asm/uaccess.h> + +/* The LVDS- and panel power controls sits on the + * GPIO port of the ISA bridge. + */ + +#define CRVML_DEVICE_LPC 0x27B8 +#define CRVML_REG_GPIOBAR 0x48 +#define CRVML_REG_GPIOEN 0x4C +#define CRVML_GPIOEN_BIT (1 << 4) +#define CRVML_PANEL_PORT 0x38 +#define CRVML_LVDS_ON 0x00000001 +#define CRVML_PANEL_ON 0x00000002 +#define CRVML_BACKLIGHT_OFF 0x00000004 + +/* The PLL Clock register sits on Host bridge */ +#define CRVML_DEVICE_MCH 0x5001 +#define CRVML_REG_MCHBAR 0x44 +#define CRVML_REG_MCHEN 0x54 +#define CRVML_MCHEN_BIT (1 << 28) +#define CRVML_MCHMAP_SIZE 4096 +#define CRVML_REG_CLOCK 0xc3c +#define CRVML_CLOCK_SHIFT 8 +#define CRVML_CLOCK_MASK 0x00000f00 + +static struct pci_dev *lpc_dev; +static u32 gpio_bar; + +struct cr_panel { + struct backlight_device *cr_backlight_device; + struct lcd_device *cr_lcd_device; +}; + +static int cr_backlight_set_intensity(struct backlight_device *bd) +{ + int intensity = bd->props.brightness; + u32 addr = gpio_bar + CRVML_PANEL_PORT; + u32 cur = inl(addr); + + if (bd->props.power == FB_BLANK_UNBLANK) + intensity = FB_BLANK_UNBLANK; + if (bd->props.fb_blank == FB_BLANK_UNBLANK) + intensity = FB_BLANK_UNBLANK; + if (bd->props.power == FB_BLANK_POWERDOWN) + intensity = FB_BLANK_POWERDOWN; + if (bd->props.fb_blank == FB_BLANK_POWERDOWN) + intensity = FB_BLANK_POWERDOWN; + + if (intensity == FB_BLANK_UNBLANK) { /* FULL ON */ + cur &= ~CRVML_BACKLIGHT_OFF; + outl(cur, addr); + } else if (intensity == FB_BLANK_POWERDOWN) { /* OFF */ + cur |= CRVML_BACKLIGHT_OFF; + outl(cur, addr); + } /* anything else, don't bother */ + + return 0; +} + +static int cr_backlight_get_intensity(struct backlight_device *bd) +{ + u32 addr = gpio_bar + CRVML_PANEL_PORT; + u32 cur = inl(addr); + u8 intensity; + + if (cur & CRVML_BACKLIGHT_OFF) + intensity = FB_BLANK_POWERDOWN; + else + intensity = FB_BLANK_UNBLANK; + + return intensity; +} + +static struct backlight_ops cr_backlight_ops = { + .get_brightness = cr_backlight_get_intensity, + .update_status = cr_backlight_set_intensity, +}; + +static void cr_panel_on(void) +{ + u32 addr = gpio_bar + CRVML_PANEL_PORT; + u32 cur = inl(addr); + + if (!(cur & CRVML_PANEL_ON)) { + /* Make sure LVDS controller is down. */ + if (cur & 0x00000001) { + cur &= ~CRVML_LVDS_ON; + outl(cur, addr); + } + /* Power up Panel */ + schedule_timeout(HZ / 10); + cur |= CRVML_PANEL_ON; + outl(cur, addr); + } + + /* Power up LVDS controller */ + + if (!(cur & CRVML_LVDS_ON)) { + schedule_timeout(HZ / 10); + outl(cur | CRVML_LVDS_ON, addr); + } +} + +static void cr_panel_off(void) +{ + u32 addr = gpio_bar + CRVML_PANEL_PORT; + u32 cur = inl(addr); + + /* Power down LVDS controller first to avoid high currents */ + if (cur & CRVML_LVDS_ON) { + cur &= ~CRVML_LVDS_ON; + outl(cur, addr); + } + if (cur & CRVML_PANEL_ON) { + schedule_timeout(HZ / 10); + outl(cur & ~CRVML_PANEL_ON, addr); + } +} + +static int cr_lcd_set_power(struct lcd_device *ld, int power) +{ + if (power == FB_BLANK_UNBLANK) + cr_panel_on(); + if (power == FB_BLANK_POWERDOWN) + cr_panel_off(); + + return 0; +} + +static struct lcd_ops cr_lcd_ops = { + .set_power = cr_lcd_set_power, +}; + +static int cr_backlight_probe(struct platform_device *pdev) +{ + struct cr_panel *crp; + u8 dev_en; + + crp = kzalloc(sizeof(crp), GFP_KERNEL); + if (crp == NULL) + return -ENOMEM; + + lpc_dev = pci_get_device(PCI_VENDOR_ID_INTEL, + CRVML_DEVICE_LPC, NULL); + if (!lpc_dev) { + printk("INTEL CARILLO RANCH LPC not found.\n"); + return -ENODEV; + } + + pci_read_config_byte(lpc_dev, CRVML_REG_GPIOEN, &dev_en); + if (!(dev_en & CRVML_GPIOEN_BIT)) { + printk(KERN_ERR + "Carillo Ranch GPIO device was not enabled.\n"); + pci_dev_put(lpc_dev); + return -ENODEV; + } + + crp->cr_backlight_device = backlight_device_register("cr-backlight", + &pdev->dev, NULL, + &cr_backlight_ops); + if (IS_ERR(crp->cr_backlight_device)) { + pci_dev_put(lpc_dev); + return PTR_ERR(crp->cr_backlight_device); + } + + crp->cr_lcd_device = lcd_device_register("cr-lcd", + &pdev->dev, + &cr_lcd_ops); + + if (IS_ERR(crp->cr_lcd_device)) { + pci_dev_put(lpc_dev); + return PTR_ERR(crp->cr_backlight_device); + } + + pci_read_config_dword(lpc_dev, CRVML_REG_GPIOBAR, + &gpio_bar); + gpio_bar &= ~0x3F; + + crp->cr_backlight_device->props.power = FB_BLANK_UNBLANK; + crp->cr_backlight_device->props.brightness = 0; + crp->cr_backlight_device->props.max_brightness = 0; + cr_backlight_set_intensity(crp->cr_backlight_device); + + cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_UNBLANK); + + platform_set_drvdata(pdev, crp); + + return 0; +} + +static int cr_backlight_remove(struct platform_device *pdev) +{ + struct cr_panel *crp = platform_get_drvdata(pdev); + crp->cr_backlight_device->props.power = FB_BLANK_POWERDOWN; + crp->cr_backlight_device->props.brightness = 0; + crp->cr_backlight_device->props.max_brightness = 0; + cr_backlight_set_intensity(crp->cr_backlight_device); + cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_POWERDOWN); + backlight_device_unregister(crp->cr_backlight_device); + lcd_device_unregister(crp->cr_lcd_device); + pci_dev_put(lpc_dev); + + return 0; +} + +static struct platform_driver cr_backlight_driver = { + .probe = cr_backlight_probe, + .remove = cr_backlight_remove, + .driver = { + .name = "cr_backlight", + }, +}; + +static struct platform_device *crp; + +static int __init cr_backlight_init(void) +{ + int ret = platform_driver_register(&cr_backlight_driver); + + if (!ret) { + crp = platform_device_alloc("cr_backlight", -1); + if (!crp) + return -ENOMEM; + + ret = platform_device_add(crp); + + if (ret) { + platform_device_put(crp); + platform_driver_unregister(&cr_backlight_driver); + } + } + + printk("Carillo Ranch Backlight Driver Initialized.\n"); + + return ret; +} + +static void __exit cr_backlight_exit(void) +{ + platform_device_unregister(crp); + platform_driver_unregister(&cr_backlight_driver); +} + +module_init(cr_backlight_init); +module_exit(cr_backlight_exit); + +MODULE_AUTHOR("Tungsten Graphics Inc."); +MODULE_DESCRIPTION("Carillo Ranch Backlight Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/cfbcopyarea.c b/drivers/video/cfbcopyarea.c index 6faea4034e3..032210f45be 100644 --- a/drivers/video/cfbcopyarea.c +++ b/drivers/video/cfbcopyarea.c @@ -22,8 +22,6 @@ * help moving some redundant computations and branches out of the loop, too. */ - - #include <linux/module.h> #include <linux/kernel.h> #include <linux/string.h> @@ -31,6 +29,7 @@ #include <linux/slab.h> #include <asm/types.h> #include <asm/io.h> +#include "fb_draw.h" #if BITS_PER_LONG == 32 # define FB_WRITEL fb_writel @@ -41,17 +40,6 @@ #endif /* - * Compose two values, using a bitmask as decision value - * This is equivalent to (a & mask) | (b & ~mask) - */ - -static inline unsigned long -comp(unsigned long a, unsigned long b, unsigned long mask) -{ - return ((a ^ b) & mask) ^ b; -} - - /* * Generic bitwise copy algorithm */ diff --git a/drivers/video/cfbfillrect.c b/drivers/video/cfbfillrect.c index f00b50aab60..71623b4f8ca 100644 --- a/drivers/video/cfbfillrect.c +++ b/drivers/video/cfbfillrect.c @@ -21,6 +21,7 @@ #include <linux/string.h> #include <linux/fb.h> #include <asm/types.h> +#include "fb_draw.h" #if BITS_PER_LONG == 32 # define FB_WRITEL fb_writel @@ -31,73 +32,6 @@ #endif /* - * Compose two values, using a bitmask as decision value - * This is equivalent to (a & mask) | (b & ~mask) - */ - -static inline unsigned long -comp(unsigned long a, unsigned long b, unsigned long mask) -{ - return ((a ^ b) & mask) ^ b; -} - - /* - * Create a pattern with the given pixel's color - */ - -#if BITS_PER_LONG == 64 -static inline unsigned long -pixel_to_pat( u32 bpp, u32 pixel) -{ - switch (bpp) { - case 1: - return 0xfffffffffffffffful*pixel; - case 2: - return 0x5555555555555555ul*pixel; - case 4: - return 0x1111111111111111ul*pixel; - case 8: - return 0x0101010101010101ul*pixel; - case 12: - return 0x0001001001001001ul*pixel; - case 16: - return 0x0001000100010001ul*pixel; - case 24: - return 0x0000000001000001ul*pixel; - case 32: - return 0x0000000100000001ul*pixel; - default: - panic("pixel_to_pat(): unsupported pixelformat\n"); - } -} -#else -static inline unsigned long -pixel_to_pat( u32 bpp, u32 pixel) -{ - switch (bpp) { - case 1: - return 0xfffffffful*pixel; - case 2: - return 0x55555555ul*pixel; - case 4: - return 0x11111111ul*pixel; - case 8: - return 0x01010101ul*pixel; - case 12: - return 0x00001001ul*pixel; - case 16: - return 0x00010001ul*pixel; - case 24: - return 0x00000001ul*pixel; - case 32: - return 0x00000001ul*pixel; - default: - panic("pixel_to_pat(): unsupported pixelformat\n"); - } -} -#endif - - /* * Aligned pattern fill using 32/64-bit memory accesses */ diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 2c4bc620573..8269d704ab2 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -98,15 +98,6 @@ #define assert(expr) #endif -#ifdef TRUE -#undef TRUE -#endif -#ifdef FALSE -#undef FALSE -#endif -#define TRUE 1 -#define FALSE 0 - #define MB_ (1024*1024) #define KB_ (1024) @@ -146,9 +137,9 @@ static const struct cirrusfb_board_info_rec { char *name; /* ASCII name of chipset */ long maxclock[5]; /* maximum video clock */ /* for 1/4bpp, 8bpp 15/16bpp, 24bpp, 32bpp - numbers from xorg code */ - unsigned init_sr07 : 1; /* init SR07 during init_vgachip() */ - unsigned init_sr1f : 1; /* write SR1F during init_vgachip() */ - unsigned scrn_start_bit19 : 1; /* construct bit 19 of screen start address */ + bool init_sr07 : 1; /* init SR07 during init_vgachip() */ + bool init_sr1f : 1; /* write SR1F during init_vgachip() */ + bool scrn_start_bit19 : 1; /* construct bit 19 of screen start address */ /* initial SR07 value, then for each mode */ unsigned char sr07; @@ -166,9 +157,9 @@ static const struct cirrusfb_board_info_rec { /* the SD64/P4 have a higher max. videoclock */ 140000, 140000, 140000, 140000, 140000, }, - .init_sr07 = TRUE, - .init_sr1f = TRUE, - .scrn_start_bit19 = TRUE, + .init_sr07 = true, + .init_sr1f = true, + .scrn_start_bit19 = true, .sr07 = 0xF0, .sr07_1bpp = 0xF0, .sr07_8bpp = 0xF1, @@ -180,9 +171,9 @@ static const struct cirrusfb_board_info_rec { /* guess */ 90000, 90000, 90000, 90000, 90000 }, - .init_sr07 = TRUE, - .init_sr1f = TRUE, - .scrn_start_bit19 = FALSE, + .init_sr07 = true, + .init_sr1f = true, + .scrn_start_bit19 = false, .sr07 = 0x80, .sr07_1bpp = 0x80, .sr07_8bpp = 0x81, @@ -194,9 +185,9 @@ static const struct cirrusfb_board_info_rec { /* guess */ 90000, 90000, 90000, 90000, 90000 }, - .init_sr07 = TRUE, - .init_sr1f = TRUE, - .scrn_start_bit19 = FALSE, + .init_sr07 = true, + .init_sr1f = true, + .scrn_start_bit19 = false, .sr07 = 0x20, .sr07_1bpp = 0x20, .sr07_8bpp = 0x21, @@ -208,9 +199,9 @@ static const struct cirrusfb_board_info_rec { /* guess */ 90000, 90000, 90000, 90000, 90000 }, - .init_sr07 = TRUE, - .init_sr1f = TRUE, - .scrn_start_bit19 = FALSE, + .init_sr07 = true, + .init_sr1f = true, + .scrn_start_bit19 = false, .sr07 = 0x80, .sr07_1bpp = 0x80, .sr07_8bpp = 0x81, @@ -221,9 +212,9 @@ static const struct cirrusfb_board_info_rec { .maxclock = { 135100, 135100, 85500, 85500, 0 }, - .init_sr07 = TRUE, - .init_sr1f = FALSE, - .scrn_start_bit19 = TRUE, + .init_sr07 = true, + .init_sr1f = false, + .scrn_start_bit19 = true, .sr07 = 0x20, .sr07_1bpp = 0x20, .sr07_8bpp = 0x21, @@ -235,9 +226,9 @@ static const struct cirrusfb_board_info_rec { /* for the GD5430. GD5446 can do more... */ 85500, 85500, 50000, 28500, 0 }, - .init_sr07 = TRUE, - .init_sr1f = TRUE, - .scrn_start_bit19 = TRUE, + .init_sr07 = true, + .init_sr1f = true, + .scrn_start_bit19 = true, .sr07 = 0xA0, .sr07_1bpp = 0xA1, .sr07_1bpp_mux = 0xA7, @@ -250,9 +241,9 @@ static const struct cirrusfb_board_info_rec { .maxclock = { 135100, 200000, 200000, 135100, 135100 }, - .init_sr07 = TRUE, - .init_sr1f = TRUE, - .scrn_start_bit19 = TRUE, + .init_sr07 = true, + .init_sr1f = true, + .scrn_start_bit19 = true, .sr07 = 0x10, .sr07_1bpp = 0x11, .sr07_8bpp = 0x11, @@ -264,9 +255,9 @@ static const struct cirrusfb_board_info_rec { /* guess */ 135100, 135100, 135100, 135100, 135100, }, - .init_sr07 = FALSE, - .init_sr1f = FALSE, - .scrn_start_bit19 = TRUE, + .init_sr07 = false, + .init_sr1f = false, + .scrn_start_bit19 = true, } }; @@ -815,7 +806,7 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, default: DPRINTK("Unsupported bpp size: %d\n", var->bits_per_pixel); - assert (FALSE); + assert(false); /* should never occur */ break; } @@ -886,7 +877,7 @@ static int cirrusfb_decode_var (const struct fb_var_screeninfo *var, default: DPRINTK("Unsupported bpp size: %d\n", var->bits_per_pixel); - assert (FALSE); + assert(false); /* should never occur */ break; } @@ -3203,7 +3194,7 @@ void cirrusfb_dbg_print_regs (caddr_t regbase, cirrusfb_dbg_reg_class_t reg_clas break; default: /* should never occur */ - assert (FALSE); + assert(false); break; } diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 0429fd2cece..73813c60d03 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -107,7 +107,9 @@ static struct display fb_display[MAX_NR_CONSOLES]; static signed char con2fb_map[MAX_NR_CONSOLES]; static signed char con2fb_map_boot[MAX_NR_CONSOLES]; +#ifndef MODULE static int logo_height; +#endif static int logo_lines; /* logo_shown is an index to vc_cons when >= 0; otherwise follows FBCON_LOGO enums. */ @@ -576,6 +578,13 @@ static int fbcon_takeover(int show_logo) return err; } +#ifdef MODULE +static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info, + int cols, int rows, int new_cols, int new_rows) +{ + logo_shown = FBCON_LOGO_DONTSHOW; +} +#else static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info, int cols, int rows, int new_cols, int new_rows) { @@ -584,6 +593,11 @@ static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info, int cnt, erase = vc->vc_video_erase_char, step; unsigned short *save = NULL, *r, *q; + if (info->flags & FBINFO_MODULE) { + logo_shown = FBCON_LOGO_DONTSHOW; + return; + } + /* * remove underline attribute from erase character * if black and white framebuffer. @@ -618,8 +632,13 @@ static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info, r -= cols; } if (!save) { - vc->vc_y += logo_lines; - vc->vc_pos += logo_lines * vc->vc_size_row; + int lines; + if (vc->vc_y + logo_lines >= rows) + lines = rows - vc->vc_y - 1; + else + lines = logo_lines; + vc->vc_y += lines; + vc->vc_pos += lines * vc->vc_size_row; } } scr_memsetw((unsigned short *) vc->vc_origin, @@ -650,6 +669,7 @@ static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info, vc->vc_top = logo_lines; } } +#endif /* MODULE */ #ifdef CONFIG_FB_TILEBLITTING static void set_blitting_type(struct vc_data *vc, struct fb_info *info) @@ -665,6 +685,17 @@ static void set_blitting_type(struct vc_data *vc, struct fb_info *info) fbcon_set_bitops(ops); } } + +static int fbcon_invalid_charcount(struct fb_info *info, unsigned charcount) +{ + int err = 0; + + if (info->flags & FBINFO_MISC_TILEBLITTING && + info->tileops->fb_get_tilemax(info) < charcount) + err = 1; + + return err; +} #else static void set_blitting_type(struct vc_data *vc, struct fb_info *info) { @@ -675,6 +706,12 @@ static void set_blitting_type(struct vc_data *vc, struct fb_info *info) fbcon_set_rotation(info); fbcon_set_bitops(ops); } + +static int fbcon_invalid_charcount(struct fb_info *info, unsigned charcount) +{ + return 0; +} + #endif /* CONFIG_MISC_TILEBLITTING */ @@ -968,7 +1005,9 @@ static const char *fbcon_startup(void) if (!p->fontdata) { if (!fontname[0] || !(font = find_font(fontname))) font = get_default_font(info->var.xres, - info->var.yres); + info->var.yres, + info->pixmap.blit_x, + info->pixmap.blit_y); vc->vc_font.width = font->width; vc->vc_font.height = font->height; vc->vc_font.data = (void *)(p->fontdata = font->data); @@ -1088,7 +1127,9 @@ static void fbcon_init(struct vc_data *vc, int init) if (!fontname[0] || !(font = find_font(fontname))) font = get_default_font(info->var.xres, - info->var.yres); + info->var.yres, + info->pixmap.blit_x, + info->pixmap.blit_y); vc->vc_font.width = font->width; vc->vc_font.height = font->height; vc->vc_font.data = (void *)(p->fontdata = font->data); @@ -1305,7 +1346,7 @@ static void fbcon_cursor(struct vc_data *vc, int mode) int y; int c = scr_readw((u16 *) vc->vc_pos); - if (fbcon_is_inactive(vc, info)) + if (fbcon_is_inactive(vc, info) || vc->vc_deccm != 1) return; ops->cursor_flash = (mode == CM_ERASE) ? 0 : 1; @@ -2475,6 +2516,7 @@ static int fbcon_copy_font(struct vc_data *vc, int con) static int fbcon_set_font(struct vc_data *vc, struct console_font *font, unsigned flags) { + struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; unsigned charcount = font->charcount; int w = font->width; int h = font->height; @@ -2488,6 +2530,15 @@ static int fbcon_set_font(struct vc_data *vc, struct console_font *font, unsigne if (charcount != 256 && charcount != 512) return -EINVAL; + /* Make sure drawing engine can handle the font */ + if (!(info->pixmap.blit_x & (1 << (font->width - 1))) || + !(info->pixmap.blit_y & (1 << (font->height - 1)))) + return -EINVAL; + + /* Make sure driver can handle the font length */ + if (fbcon_invalid_charcount(info, charcount)) + return -EINVAL; + size = h * pitch * charcount; new_data = kmalloc(FONT_EXTRA_WORDS * sizeof(int) + size, GFP_USER); @@ -2532,7 +2583,8 @@ static int fbcon_set_def_font(struct vc_data *vc, struct console_font *font, cha const struct font_desc *f; if (!name) - f = get_default_font(info->var.xres, info->var.yres); + f = get_default_font(info->var.xres, info->var.yres, + info->pixmap.blit_x, info->pixmap.blit_y); else if (!(f = find_font(name))) return -ENOENT; @@ -2829,7 +2881,7 @@ static void fbcon_set_all_vcs(struct fb_info *info) struct fbcon_ops *ops = info->fbcon_par; struct vc_data *vc; struct display *p; - int i, rows, cols; + int i, rows, cols, fg = -1; if (!ops || ops->currcon < 0) return; @@ -2840,34 +2892,23 @@ static void fbcon_set_all_vcs(struct fb_info *info) registered_fb[con2fb_map[i]] != info) continue; + if (CON_IS_VISIBLE(vc)) { + fg = i; + continue; + } + p = &fb_display[vc->vc_num]; set_blitting_type(vc, info); var_to_display(p, &info->var, info); - cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres); - rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres); + cols = FBCON_SWAP(p->rotate, info->var.xres, info->var.yres); + rows = FBCON_SWAP(p->rotate, info->var.yres, info->var.xres); cols /= vc->vc_font.width; rows /= vc->vc_font.height; vc_resize(vc, cols, rows); - - if (CON_IS_VISIBLE(vc)) { - updatescrollmode(p, info, vc); - scrollback_max = 0; - scrollback_current = 0; - - if (!fbcon_is_inactive(vc, info)) { - ops->var.xoffset = ops->var.yoffset = - p->yscroll = 0; - ops->update_start(info); - } - - fbcon_set_palette(vc, color_table); - update_screen(vc); - if (softback_buf) - fbcon_update_softback(vc); - } } - ops->p = &fb_display[ops->currcon]; + if (fg != -1) + fbcon_modechanged(info); } static int fbcon_mode_deleted(struct fb_info *info, @@ -3002,6 +3043,42 @@ static void fbcon_new_modelist(struct fb_info *info) } } +static void fbcon_get_requirement(struct fb_info *info, + struct fb_blit_caps *caps) +{ + struct vc_data *vc; + struct display *p; + + if (caps->flags) { + int i, charcnt; + + for (i = first_fb_vc; i <= last_fb_vc; i++) { + vc = vc_cons[i].d; + if (vc && vc->vc_mode == KD_TEXT && + info->node == con2fb_map[i]) { + p = &fb_display[i]; + caps->x |= 1 << (vc->vc_font.width - 1); + caps->y |= 1 << (vc->vc_font.height - 1); + charcnt = (p->userfont) ? + FNTCHARCNT(p->fontdata) : 256; + if (caps->len < charcnt) + caps->len = charcnt; + } + } + } else { + vc = vc_cons[fg_console].d; + + if (vc && vc->vc_mode == KD_TEXT && + info->node == con2fb_map[fg_console]) { + p = &fb_display[fg_console]; + caps->x = 1 << (vc->vc_font.width - 1); + caps->y = 1 << (vc->vc_font.height - 1); + caps->len = (p->userfont) ? + FNTCHARCNT(p->fontdata) : 256; + } + } +} + static int fbcon_event_notify(struct notifier_block *self, unsigned long action, void *data) { @@ -3009,6 +3086,7 @@ static int fbcon_event_notify(struct notifier_block *self, struct fb_info *info = event->info; struct fb_videomode *mode; struct fb_con2fbmap *con2fb; + struct fb_blit_caps *caps; int ret = 0; /* @@ -3057,6 +3135,10 @@ static int fbcon_event_notify(struct notifier_block *self, case FB_EVENT_NEW_MODELIST: fbcon_new_modelist(info); break; + case FB_EVENT_GET_REQ: + caps = event->data; + fbcon_get_requirement(info, caps); + break; } done: diff --git a/drivers/video/console/fonts.c b/drivers/video/console/fonts.c index c960728b7e8..a6828d0a4c5 100644 --- a/drivers/video/console/fonts.c +++ b/drivers/video/console/fonts.c @@ -98,6 +98,8 @@ const struct font_desc *find_font(const char *name) * get_default_font - get default font * @xres: screen size of X * @yres: screen size of Y + * @font_w: bit array of supported widths (1 - 32) + * @font_h: bit array of supported heights (1 - 32) * * Get the default font for a specified screen size. * Dimensions are in pixels. @@ -107,7 +109,8 @@ const struct font_desc *find_font(const char *name) * */ -const struct font_desc *get_default_font(int xres, int yres) +const struct font_desc *get_default_font(int xres, int yres, u32 font_w, + u32 font_h) { int i, c, cc; const struct font_desc *f, *g; @@ -129,6 +132,11 @@ const struct font_desc *get_default_font(int xres, int yres) #endif if ((yres < 400) == (f->height <= 8)) c += 1000; + + if (!(font_w & (1 << (f->width - 1))) || + !(font_w & (1 << (f->height - 1)))) + c += 1000; + if (c > cc) { cc = c; g = f; diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c index 124ecbe6f88..bd8d995fe25 100644 --- a/drivers/video/console/mdacon.c +++ b/drivers/video/console/mdacon.c @@ -384,7 +384,7 @@ static inline u16 mda_convert_attr(u16 ch) } static u8 mdacon_build_attr(struct vc_data *c, u8 color, u8 intensity, - u8 blink, u8 underline, u8 reverse) + u8 blink, u8 underline, u8 reverse, u8 italic) { /* The attribute is just a bit vector: * @@ -397,6 +397,7 @@ static u8 mdacon_build_attr(struct vc_data *c, u8 color, u8 intensity, return (intensity & 3) | ((underline & 1) << 2) | ((reverse & 1) << 3) | + (!!italic << 4) | ((blink & 1) << 7); } diff --git a/drivers/video/console/promcon.c b/drivers/video/console/promcon.c index b78eac63459..ae02e4eb18e 100644 --- a/drivers/video/console/promcon.c +++ b/drivers/video/console/promcon.c @@ -548,7 +548,8 @@ promcon_scroll(struct vc_data *conp, int t, int b, int dir, int count) } #if !(PROMCON_COLOR) -static u8 promcon_build_attr(struct vc_data *conp, u8 _color, u8 _intensity, u8 _blink, u8 _underline, u8 _reverse) +static u8 promcon_build_attr(struct vc_data *conp, u8 _color, u8 _intensity, + u8 _blink, u8 _underline, u8 _reverse, u8 _italic) { return (_reverse) ? 0xf : 0x7; } diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c index 57b21e53303..67a682d6cc7 100644 --- a/drivers/video/console/sticon.c +++ b/drivers/video/console/sticon.c @@ -314,7 +314,7 @@ static unsigned long sticon_getxy(struct vc_data *conp, unsigned long pos, } static u8 sticon_build_attr(struct vc_data *conp, u8 color, u8 intens, - u8 blink, u8 underline, u8 reverse) + u8 blink, u8 underline, u8 reverse, u8 italic) { u8 attr = ((color & 0x70) >> 1) | ((color & 7)); diff --git a/drivers/video/console/sticore.c b/drivers/video/console/sticore.c index 88e7038eab8..717b360d041 100644 --- a/drivers/video/console/sticore.c +++ b/drivers/video/console/sticore.c @@ -495,7 +495,7 @@ sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) return NULL; fbfont = find_font(fbfont_name); if (!fbfont) - fbfont = get_default_font(1024,768); + fbfont = get_default_font(1024,768, ~(u32)0, ~(u32)0); if (!fbfont) return NULL; diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index 3e67c34df9a..2460b82a1d9 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -86,8 +86,6 @@ static int vgacon_set_origin(struct vc_data *c); static void vgacon_save_screen(struct vc_data *c); static int vgacon_scroll(struct vc_data *c, int t, int b, int dir, int lines); -static u8 vgacon_build_attr(struct vc_data *c, u8 color, u8 intensity, - u8 blink, u8 underline, u8 reverse); static void vgacon_invert_region(struct vc_data *c, u16 * p, int count); static unsigned long vgacon_uni_pagedir[2]; @@ -578,12 +576,14 @@ static void vgacon_deinit(struct vc_data *c) } static u8 vgacon_build_attr(struct vc_data *c, u8 color, u8 intensity, - u8 blink, u8 underline, u8 reverse) + u8 blink, u8 underline, u8 reverse, u8 italic) { u8 attr = color; if (vga_can_do_color) { - if (underline) + if (italic) + attr = (attr & 0xF0) | c->vc_itcolor; + else if (underline) attr = (attr & 0xf0) | c->vc_ulcolor; else if (intensity == 0) attr = (attr & 0xf0) | c->vc_halfcolor; @@ -597,7 +597,9 @@ static u8 vgacon_build_attr(struct vc_data *c, u8 color, u8 intensity, if (intensity == 2) attr ^= 0x08; if (!vga_can_do_color) { - if (underline) + if (italic) + attr = (attr & 0xF8) | 0x02; + else if (underline) attr = (attr & 0xf8) | 0x01; else if (intensity == 0) attr = (attr & 0xf0) | 0x08; @@ -658,6 +660,9 @@ static void vgacon_set_cursor_size(int xpos, int from, int to) static void vgacon_cursor(struct vc_data *c, int mode) { + if (c->vc_mode != KD_TEXT) + return; + vgacon_restore_screen(c); switch (mode) { @@ -1316,7 +1321,7 @@ static int vgacon_scroll(struct vc_data *c, int t, int b, int dir, unsigned long oldo; unsigned int delta; - if (t || b != c->vc_rows || vga_is_gfx) + if (t || b != c->vc_rows || vga_is_gfx || c->vc_mode != KD_TEXT) return 0; if (!vga_hardscroll_enabled || lines >= c->vc_rows / 2) diff --git a/drivers/video/display/Kconfig b/drivers/video/display/Kconfig new file mode 100644 index 00000000000..f99af931d4f --- /dev/null +++ b/drivers/video/display/Kconfig @@ -0,0 +1,24 @@ +# +# Display drivers configuration +# + +menu "Display device support" + +config DISPLAY_SUPPORT + tristate "Display panel/monitor support" + ---help--- + This framework adds support for low-level control of a display. + This includes support for power. + + Enable this to be able to choose the drivers for controlling the + physical display panel/monitor on some platforms. This not only + covers LCD displays for PDAs but also other types of displays + such as CRT, TVout etc. + + To have support for your specific display panel you will have to + select the proper drivers which depend on this option. + +comment "Display hardware drivers" + depends on DISPLAY_SUPPORT + +endmenu diff --git a/drivers/video/display/Makefile b/drivers/video/display/Makefile new file mode 100644 index 00000000000..c0ea832bf17 --- /dev/null +++ b/drivers/video/display/Makefile @@ -0,0 +1,6 @@ +# Display drivers + +display-objs := display-sysfs.o + +obj-$(CONFIG_DISPLAY_SUPPORT) += display.o + diff --git a/drivers/video/display/display-sysfs.c b/drivers/video/display/display-sysfs.c new file mode 100644 index 00000000000..35477177bef --- /dev/null +++ b/drivers/video/display/display-sysfs.c @@ -0,0 +1,217 @@ +/* + * display-sysfs.c - Display output driver sysfs interface + * + * Copyright (C) 2007 James Simmons <jsimmons@infradead.org> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include <linux/module.h> +#include <linux/display.h> +#include <linux/ctype.h> +#include <linux/idr.h> +#include <linux/err.h> + +static ssize_t display_show_name(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct display_device *dsp = dev_get_drvdata(dev); + return snprintf(buf, PAGE_SIZE, "%s\n", dsp->name); +} + +static ssize_t display_show_type(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct display_device *dsp = dev_get_drvdata(dev); + return snprintf(buf, PAGE_SIZE, "%s\n", dsp->type); +} + +static ssize_t display_show_contrast(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct display_device *dsp = dev_get_drvdata(dev); + ssize_t rc = -ENXIO; + + mutex_lock(&dsp->lock); + if (likely(dsp->driver) && dsp->driver->get_contrast) + rc = sprintf(buf, "%d\n", dsp->driver->get_contrast(dsp)); + mutex_unlock(&dsp->lock); + return rc; +} + +static ssize_t display_store_contrast(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct display_device *dsp = dev_get_drvdata(dev); + ssize_t ret = -EINVAL, size; + int contrast; + char *endp; + + contrast = simple_strtoul(buf, &endp, 0); + size = endp - buf; + + if (*endp && isspace(*endp)) + size++; + + if (size != count) + return ret; + + mutex_lock(&dsp->lock); + if (likely(dsp->driver && dsp->driver->set_contrast)) { + pr_debug("display: set contrast to %d\n", contrast); + dsp->driver->set_contrast(dsp, contrast); + ret = count; + } + mutex_unlock(&dsp->lock); + return ret; +} + +static ssize_t display_show_max_contrast(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct display_device *dsp = dev_get_drvdata(dev); + ssize_t rc = -ENXIO; + + mutex_lock(&dsp->lock); + if (likely(dsp->driver)) + rc = sprintf(buf, "%d\n", dsp->driver->max_contrast); + mutex_unlock(&dsp->lock); + return rc; +} + +static struct device_attribute display_attrs[] = { + __ATTR(name, S_IRUGO, display_show_name, NULL), + __ATTR(type, S_IRUGO, display_show_type, NULL), + __ATTR(contrast, S_IRUGO | S_IWUSR, display_show_contrast, display_store_contrast), + __ATTR(max_contrast, S_IRUGO, display_show_max_contrast, NULL), +}; + +static int display_suspend(struct device *dev, pm_message_t state) +{ + struct display_device *dsp = dev_get_drvdata(dev); + + mutex_lock(&dsp->lock); + if (likely(dsp->driver->suspend)) + dsp->driver->suspend(dsp, state); + mutex_unlock(&dsp->lock); + return 0; +}; + +static int display_resume(struct device *dev) +{ + struct display_device *dsp = dev_get_drvdata(dev); + + mutex_lock(&dsp->lock); + if (likely(dsp->driver->resume)) + dsp->driver->resume(dsp); + mutex_unlock(&dsp->lock); + return 0; +}; + +static struct mutex allocated_dsp_lock; +static DEFINE_IDR(allocated_dsp); +static struct class *display_class; + +struct display_device *display_device_register(struct display_driver *driver, + struct device *parent, void *devdata) +{ + struct display_device *new_dev = NULL; + int ret = -EINVAL; + + if (unlikely(!driver)) + return ERR_PTR(ret); + + mutex_lock(&allocated_dsp_lock); + ret = idr_pre_get(&allocated_dsp, GFP_KERNEL); + mutex_unlock(&allocated_dsp_lock); + if (!ret) + return ERR_PTR(ret); + + new_dev = kzalloc(sizeof(struct display_device), GFP_KERNEL); + if (likely(new_dev) && unlikely(driver->probe(new_dev, devdata))) { + // Reserve the index for this display + mutex_lock(&allocated_dsp_lock); + ret = idr_get_new(&allocated_dsp, new_dev, &new_dev->idx); + mutex_unlock(&allocated_dsp_lock); + + if (!ret) { + new_dev->dev = device_create(display_class, parent, 0, + "display%d", new_dev->idx); + if (!IS_ERR(new_dev->dev)) { + dev_set_drvdata(new_dev->dev, new_dev); + new_dev->parent = parent; + new_dev->driver = driver; + mutex_init(&new_dev->lock); + return new_dev; + } + mutex_lock(&allocated_dsp_lock); + idr_remove(&allocated_dsp, new_dev->idx); + mutex_unlock(&allocated_dsp_lock); + ret = -EINVAL; + } + } + kfree(new_dev); + return ERR_PTR(ret); +} +EXPORT_SYMBOL(display_device_register); + +void display_device_unregister(struct display_device *ddev) +{ + if (!ddev) + return; + // Free device + mutex_lock(&ddev->lock); + device_unregister(ddev->dev); + mutex_unlock(&ddev->lock); + // Mark device index as avaliable + mutex_lock(&allocated_dsp_lock); + idr_remove(&allocated_dsp, ddev->idx); + mutex_unlock(&allocated_dsp_lock); + kfree(ddev); +} +EXPORT_SYMBOL(display_device_unregister); + +static int __init display_class_init(void) +{ + display_class = class_create(THIS_MODULE, "display"); + if (IS_ERR(display_class)) { + printk(KERN_ERR "Failed to create display class\n"); + display_class = NULL; + return -EINVAL; + } + display_class->dev_attrs = display_attrs; + display_class->suspend = display_suspend; + display_class->resume = display_resume; + mutex_init(&allocated_dsp_lock); + return 0; +} + +static void __exit display_class_exit(void) +{ + class_destroy(display_class); +} + +module_init(display_class_init); +module_exit(display_class_exit); + +MODULE_DESCRIPTION("Display Hardware handling"); +MODULE_AUTHOR("James Simmons <jsimmons@infradead.org>"); +MODULE_LICENSE("GPL"); + diff --git a/drivers/video/epson1355fb.c b/drivers/video/epson1355fb.c index 29e07c10988..ca2c54ce508 100644 --- a/drivers/video/epson1355fb.c +++ b/drivers/video/epson1355fb.c @@ -403,17 +403,10 @@ static inline unsigned long copy_to_user16(void *to, const void *from, static ssize_t -epson1355fb_read(struct file *file, char *buf, size_t count, loff_t * ppos) +epson1355fb_read(struct fb_info *info, char *buf, size_t count, loff_t * ppos) { - struct inode *inode = file->f_path.dentry->d_inode; - int fbidx = iminor(inode); - struct fb_info *info = registered_fb[fbidx]; unsigned long p = *ppos; - /* from fbmem.c except for our own copy_*_user */ - if (!info || !info->screen_base) - return -ENODEV; - if (p >= info->fix.smem_len) return 0; if (count >= info->fix.smem_len) @@ -434,20 +427,13 @@ epson1355fb_read(struct file *file, char *buf, size_t count, loff_t * ppos) } static ssize_t -epson1355fb_write(struct file *file, const char *buf, +epson1355fb_write(struct fb_info *info, const char *buf, size_t count, loff_t * ppos) { - struct inode *inode = file->f_path.dentry->d_inode; - int fbidx = iminor(inode); - struct fb_info *info = registered_fb[fbidx]; unsigned long p = *ppos; int err; /* from fbmem.c except for our own copy_*_user */ - if (!info || !info->screen_base) - return -ENODEV; - - /* from fbmem.c except for our own copy_*_user */ if (p > info->fix.smem_len) return -ENOSPC; if (count >= info->fix.smem_len) @@ -650,9 +636,10 @@ int __init epson1355fb_probe(struct platform_device *dev) } info = framebuffer_alloc(sizeof(struct epson1355_par) + sizeof(u32) * 256, &dev->dev); - if (!info) + if (!info) { rc = -ENOMEM; goto bail; + } default_par = info->par; default_par->reg_addr = (unsigned long) ioremap(EPSON1355FB_REGS_PHYS, EPSON1355FB_REGS_LEN); diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c new file mode 100644 index 00000000000..1a8643f053d --- /dev/null +++ b/drivers/video/fb_defio.c @@ -0,0 +1,151 @@ +/* + * linux/drivers/video/fb_defio.c + * + * Copyright (C) 2006 Jaya Kumar + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/fb.h> +#include <linux/list.h> +#include <asm/uaccess.h> + +/* to support deferred IO */ +#include <linux/rmap.h> +#include <linux/pagemap.h> + +/* this is to find and return the vmalloc-ed fb pages */ +static struct page* fb_deferred_io_nopage(struct vm_area_struct *vma, + unsigned long vaddr, int *type) +{ + unsigned long offset; + struct page *page; + struct fb_info *info = vma->vm_private_data; + /* info->screen_base is in System RAM */ + void *screen_base = (void __force *) info->screen_base; + + offset = (vaddr - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT); + if (offset >= info->fix.smem_len) + return NOPAGE_SIGBUS; + + page = vmalloc_to_page(screen_base + offset); + if (!page) + return NOPAGE_OOM; + + get_page(page); + if (type) + *type = VM_FAULT_MINOR; + return page; +} + +int fb_deferred_io_fsync(struct file *file, struct dentry *dentry, int datasync) +{ + struct fb_info *info = file->private_data; + + /* Kill off the delayed work */ + cancel_rearming_delayed_work(&info->deferred_work); + + /* Run it immediately */ + return schedule_delayed_work(&info->deferred_work, 0); +} +EXPORT_SYMBOL_GPL(fb_deferred_io_fsync); + +/* vm_ops->page_mkwrite handler */ +static int fb_deferred_io_mkwrite(struct vm_area_struct *vma, + struct page *page) +{ + struct fb_info *info = vma->vm_private_data; + struct fb_deferred_io *fbdefio = info->fbdefio; + + /* this is a callback we get when userspace first tries to + write to the page. we schedule a workqueue. that workqueue + will eventually mkclean the touched pages and execute the + deferred framebuffer IO. then if userspace touches a page + again, we repeat the same scheme */ + + /* protect against the workqueue changing the page list */ + mutex_lock(&fbdefio->lock); + list_add(&page->lru, &fbdefio->pagelist); + mutex_unlock(&fbdefio->lock); + + /* come back after delay to process the deferred IO */ + schedule_delayed_work(&info->deferred_work, fbdefio->delay); + return 0; +} + +static struct vm_operations_struct fb_deferred_io_vm_ops = { + .nopage = fb_deferred_io_nopage, + .page_mkwrite = fb_deferred_io_mkwrite, +}; + +static int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma) +{ + vma->vm_ops = &fb_deferred_io_vm_ops; + vma->vm_flags |= ( VM_IO | VM_RESERVED | VM_DONTEXPAND ); + vma->vm_private_data = info; + return 0; +} + +/* workqueue callback */ +static void fb_deferred_io_work(struct work_struct *work) +{ + struct fb_info *info = container_of(work, struct fb_info, + deferred_work.work); + struct list_head *node, *next; + struct page *cur; + struct fb_deferred_io *fbdefio = info->fbdefio; + + /* here we mkclean the pages, then do all deferred IO */ + mutex_lock(&fbdefio->lock); + list_for_each_entry(cur, &fbdefio->pagelist, lru) { + lock_page(cur); + page_mkclean(cur); + unlock_page(cur); + } + + /* driver's callback with pagelist */ + fbdefio->deferred_io(info, &fbdefio->pagelist); + + /* clear the list */ + list_for_each_safe(node, next, &fbdefio->pagelist) { + list_del(node); + } + mutex_unlock(&fbdefio->lock); +} + +void fb_deferred_io_init(struct fb_info *info) +{ + struct fb_deferred_io *fbdefio = info->fbdefio; + + BUG_ON(!fbdefio); + mutex_init(&fbdefio->lock); + info->fbops->fb_mmap = fb_deferred_io_mmap; + INIT_DELAYED_WORK(&info->deferred_work, fb_deferred_io_work); + INIT_LIST_HEAD(&fbdefio->pagelist); + if (fbdefio->delay == 0) /* set a default of 1 s */ + fbdefio->delay = HZ; +} +EXPORT_SYMBOL_GPL(fb_deferred_io_init); + +void fb_deferred_io_cleanup(struct fb_info *info) +{ + struct fb_deferred_io *fbdefio = info->fbdefio; + + BUG_ON(!fbdefio); + cancel_delayed_work(&info->deferred_work); + flush_scheduled_work(); +} +EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup); + +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fb_draw.h b/drivers/video/fb_draw.h new file mode 100644 index 00000000000..c5c45203833 --- /dev/null +++ b/drivers/video/fb_draw.h @@ -0,0 +1,72 @@ +#ifndef _FB_DRAW_H +#define _FB_DRAW_H + +#include <asm/types.h> + + /* + * Compose two values, using a bitmask as decision value + * This is equivalent to (a & mask) | (b & ~mask) + */ + +static inline unsigned long +comp(unsigned long a, unsigned long b, unsigned long mask) +{ + return ((a ^ b) & mask) ^ b; +} + + /* + * Create a pattern with the given pixel's color + */ + +#if BITS_PER_LONG == 64 +static inline unsigned long +pixel_to_pat( u32 bpp, u32 pixel) +{ + switch (bpp) { + case 1: + return 0xfffffffffffffffful*pixel; + case 2: + return 0x5555555555555555ul*pixel; + case 4: + return 0x1111111111111111ul*pixel; + case 8: + return 0x0101010101010101ul*pixel; + case 12: + return 0x0001001001001001ul*pixel; + case 16: + return 0x0001000100010001ul*pixel; + case 24: + return 0x0000000001000001ul*pixel; + case 32: + return 0x0000000100000001ul*pixel; + default: + panic("pixel_to_pat(): unsupported pixelformat\n"); + } +} +#else +static inline unsigned long +pixel_to_pat( u32 bpp, u32 pixel) +{ + switch (bpp) { + case 1: + return 0xfffffffful*pixel; + case 2: + return 0x55555555ul*pixel; + case 4: + return 0x11111111ul*pixel; + case 8: + return 0x01010101ul*pixel; + case 12: + return 0x00001001ul*pixel; + case 16: + return 0x00010001ul*pixel; + case 24: + return 0x00000001ul*pixel; + case 32: + return 0x00000001ul*pixel; + default: + panic("pixel_to_pat(): unsupported pixelformat\n"); + } +} +#endif +#endif /* FB_DRAW_H */ diff --git a/drivers/video/fb_sys_fops.c b/drivers/video/fb_sys_fops.c new file mode 100644 index 00000000000..cf2538d669c --- /dev/null +++ b/drivers/video/fb_sys_fops.c @@ -0,0 +1,104 @@ +/* + * linux/drivers/video/fb_sys_read.c - Generic file operations where + * framebuffer is in system RAM + * + * Copyright (C) 2007 Antonino Daplas <adaplas@pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + * + */ +#include <linux/fb.h> +#include <linux/module.h> +#include <asm/uaccess.h> + +ssize_t fb_sys_read(struct fb_info *info, char __user *buf, size_t count, + loff_t *ppos) +{ + unsigned long p = *ppos; + void *src; + int err = 0; + unsigned long total_size; + + if (info->state != FBINFO_STATE_RUNNING) + return -EPERM; + + total_size = info->screen_size; + + if (total_size == 0) + total_size = info->fix.smem_len; + + if (p >= total_size) + return 0; + + if (count >= total_size) + count = total_size; + + if (count + p > total_size) + count = total_size - p; + + src = (void __force *)(info->screen_base + p); + + if (info->fbops->fb_sync) + info->fbops->fb_sync(info); + + if (copy_to_user(buf, src, count)) + err = -EFAULT; + + if (!err) + *ppos += count; + + return (err) ? err : count; +} +EXPORT_SYMBOL_GPL(fb_sys_read); + +ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos) +{ + unsigned long p = *ppos; + void *dst; + int err = 0; + unsigned long total_size; + + if (info->state != FBINFO_STATE_RUNNING) + return -EPERM; + + total_size = info->screen_size; + + if (total_size == 0) + total_size = info->fix.smem_len; + + if (p > total_size) + return -EFBIG; + + if (count > total_size) { + err = -EFBIG; + count = total_size; + } + + if (count + p > total_size) { + if (!err) + err = -ENOSPC; + + count = total_size - p; + } + + dst = (void __force *) (info->screen_base + p); + + if (info->fbops->fb_sync) + info->fbops->fb_sync(info); + + if (copy_from_user(dst, buf, count)) + err = -EFAULT; + + if (!err) + *ppos += count; + + return (err) ? err : count; +} +EXPORT_SYMBOL_GPL(fb_sys_write); + +MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>"); +MODULE_DESCRIPTION("Generic file read (fb in system RAM)"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 28225265159..08d4e11d912 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -354,59 +354,59 @@ static void fb_rotate_logo(struct fb_info *info, u8 *dst, if (rotate == FB_ROTATE_UD) { fb_rotate_logo_ud(image->data, dst, image->width, image->height); - image->dx = info->var.xres - image->width; - image->dy = info->var.yres - image->height; + image->dx = info->var.xres - image->width - image->dx; + image->dy = info->var.yres - image->height - image->dy; } else if (rotate == FB_ROTATE_CW) { fb_rotate_logo_cw(image->data, dst, image->width, image->height); tmp = image->width; image->width = image->height; image->height = tmp; - image->dx = info->var.xres - image->width; + tmp = image->dy; + image->dy = image->dx; + image->dx = info->var.xres - image->width - tmp; } else if (rotate == FB_ROTATE_CCW) { fb_rotate_logo_ccw(image->data, dst, image->width, image->height); tmp = image->width; image->width = image->height; image->height = tmp; - image->dy = info->var.yres - image->height; + tmp = image->dx; + image->dx = image->dy; + image->dy = info->var.yres - image->height - tmp; } image->data = dst; } static void fb_do_show_logo(struct fb_info *info, struct fb_image *image, - int rotate) + int rotate, unsigned int num) { - int x; + unsigned int x; if (rotate == FB_ROTATE_UR) { - for (x = 0; x < num_online_cpus() && - x * (fb_logo.logo->width + 8) <= - info->var.xres - fb_logo.logo->width; x++) { + for (x = 0; + x < num && image->dx + image->width <= info->var.xres; + x++) { info->fbops->fb_imageblit(info, image); - image->dx += fb_logo.logo->width + 8; + image->dx += image->width + 8; } } else if (rotate == FB_ROTATE_UD) { - for (x = 0; x < num_online_cpus() && - x * (fb_logo.logo->width + 8) <= - info->var.xres - fb_logo.logo->width; x++) { + for (x = 0; x < num && image->dx >= 0; x++) { info->fbops->fb_imageblit(info, image); - image->dx -= fb_logo.logo->width + 8; + image->dx -= image->width + 8; } } else if (rotate == FB_ROTATE_CW) { - for (x = 0; x < num_online_cpus() && - x * (fb_logo.logo->width + 8) <= - info->var.yres - fb_logo.logo->width; x++) { + for (x = 0; + x < num && image->dy + image->height <= info->var.yres; + x++) { info->fbops->fb_imageblit(info, image); - image->dy += fb_logo.logo->width + 8; + image->dy += image->height + 8; } } else if (rotate == FB_ROTATE_CCW) { - for (x = 0; x < num_online_cpus() && - x * (fb_logo.logo->width + 8) <= - info->var.yres - fb_logo.logo->width; x++) { + for (x = 0; x < num && image->dy >= 0; x++) { info->fbops->fb_imageblit(info, image); - image->dy -= fb_logo.logo->width + 8; + image->dy -= image->height + 8; } } } @@ -418,7 +418,8 @@ int fb_prepare_logo(struct fb_info *info, int rotate) memset(&fb_logo, 0, sizeof(struct logo_data)); - if (info->flags & FBINFO_MISC_TILEBLITTING) + if (info->flags & FBINFO_MISC_TILEBLITTING || + info->flags & FBINFO_MODULE) return 0; if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) { @@ -483,7 +484,8 @@ int fb_show_logo(struct fb_info *info, int rotate) struct fb_image image; /* Return if the frame buffer is not mapped or suspended */ - if (fb_logo.logo == NULL || info->state != FBINFO_STATE_RUNNING) + if (fb_logo.logo == NULL || info->state != FBINFO_STATE_RUNNING || + info->flags & FBINFO_MODULE) return 0; image.depth = 8; @@ -532,7 +534,7 @@ int fb_show_logo(struct fb_info *info, int rotate) fb_rotate_logo(info, logo_rotate, &image, rotate); } - fb_do_show_logo(info, &image, rotate); + fb_do_show_logo(info, &image, rotate, num_online_cpus()); kfree(palette); if (saved_pseudo_palette != NULL) @@ -586,7 +588,7 @@ fb_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) return -EPERM; if (info->fbops->fb_read) - return info->fbops->fb_read(file, buf, count, ppos); + return info->fbops->fb_read(info, buf, count, ppos); total_size = info->screen_size; @@ -661,7 +663,7 @@ fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) return -EPERM; if (info->fbops->fb_write) - return info->fbops->fb_write(file, buf, count, ppos); + return info->fbops->fb_write(info, buf, count, ppos); total_size = info->screen_size; @@ -771,14 +773,37 @@ fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var) return 0; } +static int fb_check_caps(struct fb_info *info, struct fb_var_screeninfo *var, + u32 activate) +{ + struct fb_event event; + struct fb_blit_caps caps, fbcaps; + int err = 0; + + memset(&caps, 0, sizeof(caps)); + memset(&fbcaps, 0, sizeof(fbcaps)); + caps.flags = (activate & FB_ACTIVATE_ALL) ? 1 : 0; + event.info = info; + event.data = ∩︀ + fb_notifier_call_chain(FB_EVENT_GET_REQ, &event); + info->fbops->fb_get_caps(info, &fbcaps, var); + + if (((fbcaps.x ^ caps.x) & caps.x) || + ((fbcaps.y ^ caps.y) & caps.y) || + (fbcaps.len < caps.len)) + err = -EINVAL; + + return err; +} + int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) { - int err, flags = info->flags; + int flags = info->flags; + int ret = 0; if (var->activate & FB_ACTIVATE_INV_MODE) { struct fb_videomode mode1, mode2; - int ret = 0; fb_var_to_videomode(&mode1, var); fb_var_to_videomode(&mode2, &info->var); @@ -796,40 +821,51 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) if (!ret) fb_delete_videomode(&mode1, &info->modelist); - return ret; + + ret = (ret) ? -EINVAL : 0; + goto done; } if ((var->activate & FB_ACTIVATE_FORCE) || memcmp(&info->var, var, sizeof(struct fb_var_screeninfo))) { + u32 activate = var->activate; + if (!info->fbops->fb_check_var) { *var = info->var; - return 0; + goto done; } - if ((err = info->fbops->fb_check_var(var, info))) - return err; + ret = info->fbops->fb_check_var(var, info); + + if (ret) + goto done; if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) { struct fb_videomode mode; - int err = 0; + + if (info->fbops->fb_get_caps) { + ret = fb_check_caps(info, var, activate); + + if (ret) + goto done; + } info->var = *var; + if (info->fbops->fb_set_par) info->fbops->fb_set_par(info); fb_pan_display(info, &info->var); - fb_set_cmap(&info->cmap, info); - fb_var_to_videomode(&mode, &info->var); if (info->modelist.prev && info->modelist.next && !list_empty(&info->modelist)) - err = fb_add_videomode(&mode, &info->modelist); + ret = fb_add_videomode(&mode, &info->modelist); - if (!err && (flags & FBINFO_MISC_USEREVENT)) { + if (!ret && (flags & FBINFO_MISC_USEREVENT)) { struct fb_event event; - int evnt = (var->activate & FB_ACTIVATE_ALL) ? + int evnt = (activate & FB_ACTIVATE_ALL) ? FB_EVENT_MODE_CHANGE_ALL : FB_EVENT_MODE_CHANGE; @@ -839,7 +875,9 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) } } } - return 0; + + done: + return ret; } int @@ -1266,6 +1304,9 @@ static const struct file_operations fb_fops = { #ifdef HAVE_ARCH_FB_UNMAPPED_AREA .get_unmapped_area = get_fb_unmapped_area, #endif +#ifdef CONFIG_FB_DEFERRED_IO + .fsync = fb_deferred_io_fsync, +#endif }; struct class *fb_class; @@ -1316,6 +1357,12 @@ register_framebuffer(struct fb_info *fb_info) } fb_info->pixmap.offset = 0; + if (!fb_info->pixmap.blit_x) + fb_info->pixmap.blit_x = ~(u32)0; + + if (!fb_info->pixmap.blit_y) + fb_info->pixmap.blit_y = ~(u32)0; + if (!fb_info->modelist.prev || !fb_info->modelist.next) INIT_LIST_HEAD(&fb_info->modelist); diff --git a/drivers/video/fbmon.c b/drivers/video/fbmon.c index 6b385c39b8b..438b9411905 100644 --- a/drivers/video/fbmon.c +++ b/drivers/video/fbmon.c @@ -48,8 +48,9 @@ #define DPRINTK(fmt, args...) #endif -#define FBMON_FIX_HEADER 1 -#define FBMON_FIX_INPUT 2 +#define FBMON_FIX_HEADER 1 +#define FBMON_FIX_INPUT 2 +#define FBMON_FIX_TIMINGS 3 #ifdef CONFIG_FB_MODE_HELPERS struct broken_edid { @@ -71,6 +72,12 @@ static const struct broken_edid brokendb[] = { .model = 0x5a44, .fix = FBMON_FIX_INPUT, }, + /* Sharp UXGA? */ + { + .manufacturer = "SHP", + .model = 0x138e, + .fix = FBMON_FIX_TIMINGS, + }, }; static const unsigned char edid_v1_header[] = { 0x00, 0xff, 0xff, 0xff, @@ -87,6 +94,55 @@ static void copy_string(unsigned char *c, unsigned char *s) while (i-- && (*--s == 0x20)) *s = 0; } +static int edid_is_serial_block(unsigned char *block) +{ + if ((block[0] == 0x00) && (block[1] == 0x00) && + (block[2] == 0x00) && (block[3] == 0xff) && + (block[4] == 0x00)) + return 1; + else + return 0; +} + +static int edid_is_ascii_block(unsigned char *block) +{ + if ((block[0] == 0x00) && (block[1] == 0x00) && + (block[2] == 0x00) && (block[3] == 0xfe) && + (block[4] == 0x00)) + return 1; + else + return 0; +} + +static int edid_is_limits_block(unsigned char *block) +{ + if ((block[0] == 0x00) && (block[1] == 0x00) && + (block[2] == 0x00) && (block[3] == 0xfd) && + (block[4] == 0x00)) + return 1; + else + return 0; +} + +static int edid_is_monitor_block(unsigned char *block) +{ + if ((block[0] == 0x00) && (block[1] == 0x00) && + (block[2] == 0x00) && (block[3] == 0xfc) && + (block[4] == 0x00)) + return 1; + else + return 0; +} + +static int edid_is_timing_block(unsigned char *block) +{ + if ((block[0] != 0x00) || (block[1] != 0x00) || + (block[2] != 0x00) || (block[4] != 0x00)) + return 1; + else + return 0; +} + static int check_edid(unsigned char *edid) { unsigned char *block = edid + ID_MANUFACTURER_NAME, manufacturer[4]; @@ -104,9 +160,6 @@ static int check_edid(unsigned char *edid) for (i = 0; i < ARRAY_SIZE(brokendb); i++) { if (!strncmp(manufacturer, brokendb[i].manufacturer, 4) && brokendb[i].model == model) { - printk("fbmon: The EDID Block of " - "Manufacturer: %s Model: 0x%x is known to " - "be broken,\n", manufacturer, model); fix = brokendb[i].fix; break; } @@ -115,8 +168,10 @@ static int check_edid(unsigned char *edid) switch (fix) { case FBMON_FIX_HEADER: for (i = 0; i < 8; i++) { - if (edid[i] != edid_v1_header[i]) + if (edid[i] != edid_v1_header[i]) { ret = fix; + break; + } } break; case FBMON_FIX_INPUT: @@ -126,14 +181,34 @@ static int check_edid(unsigned char *edid) if (b[4] & 0x01 && b[0] & 0x80) ret = fix; break; + case FBMON_FIX_TIMINGS: + b = edid + DETAILED_TIMING_DESCRIPTIONS_START; + ret = fix; + + for (i = 0; i < 4; i++) { + if (edid_is_limits_block(b)) { + ret = 0; + break; + } + + b += DETAILED_TIMING_DESCRIPTION_SIZE; + } + + break; } + if (ret) + printk("fbmon: The EDID Block of " + "Manufacturer: %s Model: 0x%x is known to " + "be broken,\n", manufacturer, model); + return ret; } static void fix_edid(unsigned char *edid, int fix) { - unsigned char *b; + int i; + unsigned char *b, csum = 0; switch (fix) { case FBMON_FIX_HEADER: @@ -145,6 +220,37 @@ static void fix_edid(unsigned char *edid, int fix) b = edid + EDID_STRUCT_DISPLAY; b[0] &= ~0x80; edid[127] += 0x80; + break; + case FBMON_FIX_TIMINGS: + printk("fbmon: trying to fix monitor timings\n"); + b = edid + DETAILED_TIMING_DESCRIPTIONS_START; + for (i = 0; i < 4; i++) { + if (!(edid_is_serial_block(b) || + edid_is_ascii_block(b) || + edid_is_monitor_block(b) || + edid_is_timing_block(b))) { + b[0] = 0x00; + b[1] = 0x00; + b[2] = 0x00; + b[3] = 0xfd; + b[4] = 0x00; + b[5] = 60; /* vfmin */ + b[6] = 60; /* vfmax */ + b[7] = 30; /* hfmin */ + b[8] = 75; /* hfmax */ + b[9] = 17; /* pixclock - 170 MHz*/ + b[10] = 0; /* GTF */ + break; + } + + b += DETAILED_TIMING_DESCRIPTION_SIZE; + } + + for (i = 0; i < EDID_LENGTH - 1; i++) + csum += edid[i]; + + edid[127] = 256 - csum; + break; } } @@ -273,46 +379,6 @@ static void get_chroma(unsigned char *block, struct fb_monspecs *specs) DPRINTK("WhiteY: 0.%03d\n", specs->chroma.whitey); } -static int edid_is_serial_block(unsigned char *block) -{ - if ((block[0] == 0x00) && (block[1] == 0x00) && - (block[2] == 0x00) && (block[3] == 0xff) && - (block[4] == 0x00)) - return 1; - else - return 0; -} - -static int edid_is_ascii_block(unsigned char *block) -{ - if ((block[0] == 0x00) && (block[1] == 0x00) && - (block[2] == 0x00) && (block[3] == 0xfe) && - (block[4] == 0x00)) - return 1; - else - return 0; -} - -static int edid_is_limits_block(unsigned char *block) -{ - if ((block[0] == 0x00) && (block[1] == 0x00) && - (block[2] == 0x00) && (block[3] == 0xfd) && - (block[4] == 0x00)) - return 1; - else - return 0; -} - -static int edid_is_monitor_block(unsigned char *block) -{ - if ((block[0] == 0x00) && (block[1] == 0x00) && - (block[2] == 0x00) && (block[3] == 0xfc) && - (block[4] == 0x00)) - return 1; - else - return 0; -} - static void calc_mode_timings(int xres, int yres, int refresh, struct fb_videomode *mode) { @@ -795,15 +861,6 @@ static void get_monspecs(unsigned char *edid, struct fb_monspecs *specs) } } -static int edid_is_timing_block(unsigned char *block) -{ - if ((block[0] != 0x00) || (block[1] != 0x00) || - (block[2] != 0x00) || (block[4] != 0x00)) - return 1; - else - return 0; -} - int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var) { int i; diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c index 40c80c8190e..d4a2c11d980 100644 --- a/drivers/video/fbsysfs.c +++ b/drivers/video/fbsysfs.c @@ -376,7 +376,7 @@ static ssize_t show_pan(struct device *device, { struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xoffset, - fb_info->var.xoffset); + fb_info->var.yoffset); } static ssize_t show_name(struct device *device, diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c new file mode 100644 index 00000000000..abfcb50364c --- /dev/null +++ b/drivers/video/hecubafb.c @@ -0,0 +1,471 @@ +/* + * linux/drivers/video/hecubafb.c -- FB driver for Hecuba controller + * + * Copyright (C) 2006, Jaya Kumar + * This work was sponsored by CIS(M) Sdn Bhd + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * Layout is based on skeletonfb.c by James Simmons and Geert Uytterhoeven. + * This work was possible because of apollo display code from E-Ink's website + * http://support.eink.com/community + * All information used to write this code is from public material made + * available by E-Ink on its support site. Some commands such as 0xA4 + * were found by looping through cmd=0x00 thru 0xFF and supplying random + * values. There are other commands that the display is capable of, + * beyond the 5 used here but they are more complex. + * + * This driver is written to be used with the Hecuba display controller + * board, and tested with the EInk 800x600 display in 1 bit mode. + * The interface between Hecuba and the host is TTL based GPIO. The + * GPIO requirements are 8 writable data lines and 6 lines for control. + * Only 4 of the controls are actually used here but 6 for future use. + * The driver requires the IO addresses for data and control GPIO at + * load time. It is also possible to use this display with a standard + * PC parallel port. + * + * General notes: + * - User must set hecubafb_enable=1 to enable it + * - User must set dio_addr=0xIOADDR cio_addr=0xIOADDR c2io_addr=0xIOADDR + * + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/list.h> +#include <asm/uaccess.h> + +/* Apollo controller specific defines */ +#define APOLLO_START_NEW_IMG 0xA0 +#define APOLLO_STOP_IMG_DATA 0xA1 +#define APOLLO_DISPLAY_IMG 0xA2 +#define APOLLO_ERASE_DISPLAY 0xA3 +#define APOLLO_INIT_DISPLAY 0xA4 + +/* Hecuba interface specific defines */ +/* WUP is inverted, CD is inverted, DS is inverted */ +#define HCB_NWUP_BIT 0x01 +#define HCB_NDS_BIT 0x02 +#define HCB_RW_BIT 0x04 +#define HCB_NCD_BIT 0x08 +#define HCB_ACK_BIT 0x80 + +/* Display specific information */ +#define DPY_W 600 +#define DPY_H 800 + +struct hecubafb_par { + unsigned long dio_addr; + unsigned long cio_addr; + unsigned long c2io_addr; + unsigned char ctl; + struct fb_info *info; + unsigned int irq; +}; + +static struct fb_fix_screeninfo hecubafb_fix __devinitdata = { + .id = "hecubafb", + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_MONO01, + .xpanstep = 0, + .ypanstep = 0, + .ywrapstep = 0, + .accel = FB_ACCEL_NONE, +}; + +static struct fb_var_screeninfo hecubafb_var __devinitdata = { + .xres = DPY_W, + .yres = DPY_H, + .xres_virtual = DPY_W, + .yres_virtual = DPY_H, + .bits_per_pixel = 1, + .nonstd = 1, +}; + +static unsigned long dio_addr; +static unsigned long cio_addr; +static unsigned long c2io_addr; +static unsigned long splashval; +static unsigned int nosplash; +static unsigned int hecubafb_enable; +static unsigned int irq; + +static DECLARE_WAIT_QUEUE_HEAD(hecubafb_waitq); + +static void hcb_set_ctl(struct hecubafb_par *par) +{ + outb(par->ctl, par->cio_addr); +} + +static unsigned char hcb_get_ctl(struct hecubafb_par *par) +{ + return inb(par->c2io_addr); +} + +static void hcb_set_data(struct hecubafb_par *par, unsigned char value) +{ + outb(value, par->dio_addr); +} + +static int __devinit apollo_init_control(struct hecubafb_par *par) +{ + unsigned char ctl; + /* for init, we want the following setup to be set: + WUP = lo + ACK = hi + DS = hi + RW = hi + CD = lo + */ + + /* write WUP to lo, DS to hi, RW to hi, CD to lo */ + par->ctl = HCB_NWUP_BIT | HCB_RW_BIT | HCB_NCD_BIT ; + par->ctl &= ~HCB_NDS_BIT; + hcb_set_ctl(par); + + /* check ACK is not lo */ + ctl = hcb_get_ctl(par); + if ((ctl & HCB_ACK_BIT)) { + printk(KERN_ERR "Fail because ACK is already low\n"); + return -ENXIO; + } + + return 0; +} + +static void hcb_wait_for_ack(struct hecubafb_par *par) +{ + + int timeout; + unsigned char ctl; + + timeout=500; + do { + ctl = hcb_get_ctl(par); + if ((ctl & HCB_ACK_BIT)) + return; + udelay(1); + } while (timeout--); + printk(KERN_ERR "timed out waiting for ack\n"); +} + +static void hcb_wait_for_ack_clear(struct hecubafb_par *par) +{ + + int timeout; + unsigned char ctl; + + timeout=500; + do { + ctl = hcb_get_ctl(par); + if (!(ctl & HCB_ACK_BIT)) + return; + udelay(1); + } while (timeout--); + printk(KERN_ERR "timed out waiting for clear\n"); +} + +static void apollo_send_data(struct hecubafb_par *par, unsigned char data) +{ + /* set data */ + hcb_set_data(par, data); + + /* set DS low */ + par->ctl |= HCB_NDS_BIT; + hcb_set_ctl(par); + + hcb_wait_for_ack(par); + + /* set DS hi */ + par->ctl &= ~(HCB_NDS_BIT); + hcb_set_ctl(par); + + hcb_wait_for_ack_clear(par); +} + +static void apollo_send_command(struct hecubafb_par *par, unsigned char data) +{ + /* command so set CD to high */ + par->ctl &= ~(HCB_NCD_BIT); + hcb_set_ctl(par); + + /* actually strobe with command */ + apollo_send_data(par, data); + + /* clear CD back to low */ + par->ctl |= (HCB_NCD_BIT); + hcb_set_ctl(par); +} + +/* main hecubafb functions */ + +static void hecubafb_dpy_update(struct hecubafb_par *par) +{ + int i; + unsigned char *buf = (unsigned char __force *)par->info->screen_base; + + apollo_send_command(par, 0xA0); + + for (i=0; i < (DPY_W*DPY_H/8); i++) { + apollo_send_data(par, *(buf++)); + } + + apollo_send_command(par, 0xA1); + apollo_send_command(par, 0xA2); +} + +/* this is called back from the deferred io workqueue */ +static void hecubafb_dpy_deferred_io(struct fb_info *info, + struct list_head *pagelist) +{ + hecubafb_dpy_update(info->par); +} + +static void hecubafb_fillrect(struct fb_info *info, + const struct fb_fillrect *rect) +{ + struct hecubafb_par *par = info->par; + + sys_fillrect(info, rect); + + hecubafb_dpy_update(par); +} + +static void hecubafb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + struct hecubafb_par *par = info->par; + + sys_copyarea(info, area); + + hecubafb_dpy_update(par); +} + +static void hecubafb_imageblit(struct fb_info *info, + const struct fb_image *image) +{ + struct hecubafb_par *par = info->par; + + sys_imageblit(info, image); + + hecubafb_dpy_update(par); +} + +/* + * this is the slow path from userspace. they can seek and write to + * the fb. it's inefficient to do anything less than a full screen draw + */ +static ssize_t hecubafb_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos) +{ + unsigned long p; + int err=-EINVAL; + struct hecubafb_par *par; + unsigned int xres; + unsigned int fbmemlength; + + p = *ppos; + par = info->par; + xres = info->var.xres; + fbmemlength = (xres * info->var.yres)/8; + + if (p > fbmemlength) + return -ENOSPC; + + err = 0; + if ((count + p) > fbmemlength) { + count = fbmemlength - p; + err = -ENOSPC; + } + + if (count) { + char *base_addr; + + base_addr = (char __force *)info->screen_base; + count -= copy_from_user(base_addr + p, buf, count); + *ppos += count; + err = -EFAULT; + } + + hecubafb_dpy_update(par); + + if (count) + return count; + + return err; +} + +static struct fb_ops hecubafb_ops = { + .owner = THIS_MODULE, + .fb_read = fb_sys_read, + .fb_write = hecubafb_write, + .fb_fillrect = hecubafb_fillrect, + .fb_copyarea = hecubafb_copyarea, + .fb_imageblit = hecubafb_imageblit, +}; + +static struct fb_deferred_io hecubafb_defio = { + .delay = HZ, + .deferred_io = hecubafb_dpy_deferred_io, +}; + +static int __devinit hecubafb_probe(struct platform_device *dev) +{ + struct fb_info *info; + int retval = -ENOMEM; + int videomemorysize; + unsigned char *videomemory; + struct hecubafb_par *par; + + videomemorysize = (DPY_W*DPY_H)/8; + + if (!(videomemory = vmalloc(videomemorysize))) + return retval; + + memset(videomemory, 0, videomemorysize); + + info = framebuffer_alloc(sizeof(struct hecubafb_par), &dev->dev); + if (!info) + goto err; + + info->screen_base = (char __iomem *) videomemory; + info->fbops = &hecubafb_ops; + + info->var = hecubafb_var; + info->fix = hecubafb_fix; + info->fix.smem_len = videomemorysize; + par = info->par; + par->info = info; + + if (!dio_addr || !cio_addr || !c2io_addr) { + printk(KERN_WARNING "no IO addresses supplied\n"); + goto err1; + } + par->dio_addr = dio_addr; + par->cio_addr = cio_addr; + par->c2io_addr = c2io_addr; + info->flags = FBINFO_FLAG_DEFAULT; + + info->fbdefio = &hecubafb_defio; + fb_deferred_io_init(info); + + retval = register_framebuffer(info); + if (retval < 0) + goto err1; + platform_set_drvdata(dev, info); + + printk(KERN_INFO + "fb%d: Hecuba frame buffer device, using %dK of video memory\n", + info->node, videomemorysize >> 10); + + /* this inits the dpy */ + apollo_init_control(par); + + apollo_send_command(par, APOLLO_INIT_DISPLAY); + apollo_send_data(par, 0x81); + + /* have to wait while display resets */ + udelay(1000); + + /* if we were told to splash the screen, we just clear it */ + if (!nosplash) { + apollo_send_command(par, APOLLO_ERASE_DISPLAY); + apollo_send_data(par, splashval); + } + + return 0; +err1: + framebuffer_release(info); +err: + vfree(videomemory); + return retval; +} + +static int __devexit hecubafb_remove(struct platform_device *dev) +{ + struct fb_info *info = platform_get_drvdata(dev); + + if (info) { + fb_deferred_io_cleanup(info); + unregister_framebuffer(info); + vfree((void __force *)info->screen_base); + framebuffer_release(info); + } + return 0; +} + +static struct platform_driver hecubafb_driver = { + .probe = hecubafb_probe, + .remove = hecubafb_remove, + .driver = { + .name = "hecubafb", + }, +}; + +static struct platform_device *hecubafb_device; + +static int __init hecubafb_init(void) +{ + int ret; + + if (!hecubafb_enable) { + printk(KERN_ERR "Use hecubafb_enable to enable the device\n"); + return -ENXIO; + } + + ret = platform_driver_register(&hecubafb_driver); + if (!ret) { + hecubafb_device = platform_device_alloc("hecubafb", 0); + if (hecubafb_device) + ret = platform_device_add(hecubafb_device); + else + ret = -ENOMEM; + + if (ret) { + platform_device_put(hecubafb_device); + platform_driver_unregister(&hecubafb_driver); + } + } + return ret; + +} + +static void __exit hecubafb_exit(void) +{ + platform_device_unregister(hecubafb_device); + platform_driver_unregister(&hecubafb_driver); +} + +module_param(nosplash, uint, 0); +MODULE_PARM_DESC(nosplash, "Disable doing the splash screen"); +module_param(hecubafb_enable, uint, 0); +MODULE_PARM_DESC(hecubafb_enable, "Enable communication with Hecuba board"); +module_param(dio_addr, ulong, 0); +MODULE_PARM_DESC(dio_addr, "IO address for data, eg: 0x480"); +module_param(cio_addr, ulong, 0); +MODULE_PARM_DESC(cio_addr, "IO address for control, eg: 0x400"); +module_param(c2io_addr, ulong, 0); +MODULE_PARM_DESC(c2io_addr, "IO address for secondary control, eg: 0x408"); +module_param(splashval, ulong, 0); +MODULE_PARM_DESC(splashval, "Splash pattern: 0x00 is black, 0x01 is white"); +module_param(irq, uint, 0); +MODULE_PARM_DESC(irq, "IRQ for the Hecuba board"); + +module_init(hecubafb_init); +module_exit(hecubafb_exit); + +MODULE_DESCRIPTION("fbdev driver for Hecuba board"); +MODULE_AUTHOR("Jaya Kumar"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/i810/i810.h b/drivers/video/i810/i810.h index aa65ffce915..889e4ea5edc 100644 --- a/drivers/video/i810/i810.h +++ b/drivers/video/i810/i810.h @@ -133,7 +133,7 @@ /* Masks (AND ops) and OR's */ #define FB_START_MASK (0x3f << (32 - 6)) #define MMIO_ADDR_MASK (0x1FFF << (32 - 13)) -#define FREQ_MASK 0x1EF +#define FREQ_MASK (1 << 4) #define SCR_OFF 0x20 #define DRAM_ON 0x08 #define DRAM_OFF 0xE7 diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c index c1eb18bf088..16bc8d75e36 100644 --- a/drivers/video/intelfb/intelfbhw.c +++ b/drivers/video/intelfb/intelfbhw.c @@ -1428,6 +1428,24 @@ static void refresh_ring(struct intelfb_info *dinfo); static void reset_state(struct intelfb_info *dinfo); static void do_flush(struct intelfb_info *dinfo); +static u32 get_ring_space(struct intelfb_info *dinfo) +{ + u32 ring_space; + + if (dinfo->ring_tail >= dinfo->ring_head) + ring_space = dinfo->ring.size - + (dinfo->ring_tail - dinfo->ring_head); + else + ring_space = dinfo->ring_head - dinfo->ring_tail; + + if (ring_space > RING_MIN_FREE) + ring_space -= RING_MIN_FREE; + else + ring_space = 0; + + return ring_space; +} + static int wait_ring(struct intelfb_info *dinfo, int n) { @@ -1442,13 +1460,8 @@ wait_ring(struct intelfb_info *dinfo, int n) end = jiffies + (HZ * 3); while (dinfo->ring_space < n) { dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; - if (dinfo->ring_tail + RING_MIN_FREE < dinfo->ring_head) - dinfo->ring_space = dinfo->ring_head - - (dinfo->ring_tail + RING_MIN_FREE); - else - dinfo->ring_space = (dinfo->ring.size + - dinfo->ring_head) - - (dinfo->ring_tail + RING_MIN_FREE); + dinfo->ring_space = get_ring_space(dinfo); + if (dinfo->ring_head != last_head) { end = jiffies + (HZ * 3); last_head = dinfo->ring_head; @@ -1513,12 +1526,7 @@ refresh_ring(struct intelfb_info *dinfo) dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; dinfo->ring_tail = INREG(PRI_RING_TAIL) & RING_TAIL_MASK; - if (dinfo->ring_tail + RING_MIN_FREE < dinfo->ring_head) - dinfo->ring_space = dinfo->ring_head - - (dinfo->ring_tail + RING_MIN_FREE); - else - dinfo->ring_space = (dinfo->ring.size + dinfo->ring_head) - - (dinfo->ring_tail + RING_MIN_FREE); + dinfo->ring_space = get_ring_space(dinfo); } static void diff --git a/drivers/video/logo/Kconfig b/drivers/video/logo/Kconfig index f0e6512c87f..9397bcef301 100644 --- a/drivers/video/logo/Kconfig +++ b/drivers/video/logo/Kconfig @@ -2,73 +2,69 @@ # Logo configuration # -menu "Logo configuration" - -config LOGO +menuconfig LOGO bool "Bootup logo" depends on FB || SGI_NEWPORT_CONSOLE help Enable and select frame buffer bootup logos. +if LOGO + config LOGO_LINUX_MONO bool "Standard black and white Linux logo" - depends on LOGO default y config LOGO_LINUX_VGA16 bool "Standard 16-color Linux logo" - depends on LOGO default y config LOGO_LINUX_CLUT224 bool "Standard 224-color Linux logo" - depends on LOGO default y config LOGO_DEC_CLUT224 bool "224-color Digital Equipment Corporation Linux logo" - depends on LOGO && (MACH_DECSTATION || ALPHA) + depends on MACH_DECSTATION || ALPHA default y config LOGO_MAC_CLUT224 bool "224-color Macintosh Linux logo" - depends on LOGO && MAC + depends on MAC default y config LOGO_PARISC_CLUT224 bool "224-color PA-RISC Linux logo" - depends on LOGO && PARISC + depends on PARISC default y config LOGO_SGI_CLUT224 bool "224-color SGI Linux logo" - depends on LOGO && (SGI_IP22 || SGI_IP27 || SGI_IP32 || X86_VISWS) + depends on SGI_IP22 || SGI_IP27 || SGI_IP32 || X86_VISWS default y config LOGO_SUN_CLUT224 bool "224-color Sun Linux logo" - depends on LOGO && SPARC + depends on SPARC default y config LOGO_SUPERH_MONO bool "Black and white SuperH Linux logo" - depends on LOGO && SUPERH + depends on SUPERH default y config LOGO_SUPERH_VGA16 bool "16-color SuperH Linux logo" - depends on LOGO && SUPERH + depends on SUPERH default y config LOGO_SUPERH_CLUT224 bool "224-color SuperH Linux logo" - depends on LOGO && SUPERH + depends on SUPERH default y config LOGO_M32R_CLUT224 bool "224-color M32R Linux logo" - depends on LOGO && M32R + depends on M32R default y -endmenu - +endif # LOGO diff --git a/drivers/video/modedb.c b/drivers/video/modedb.c index 3e517940c5a..3741ad72940 100644 --- a/drivers/video/modedb.c +++ b/drivers/video/modedb.c @@ -395,7 +395,7 @@ static int my_atoi(const char *name) for (;; name++) { switch (*name) { - case '0'...'9': + case '0' ... '9': val = 10*val+(*name-'0'); break; default: @@ -548,7 +548,7 @@ int fb_find_mode(struct fb_var_screeninfo *var, } else goto done; break; - case '0'...'9': + case '0' ... '9': break; case 'M': if (!yres_specified) diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index 395ccedde9a..bd30aba242d 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -665,6 +665,7 @@ neofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) var->red.msb_right = 0; var->green.msb_right = 0; var->blue.msb_right = 0; + var->transp.msb_right = 0; switch (var->bits_per_pixel) { case 8: /* PSEUDOCOLOUR, 256 */ diff --git a/drivers/video/nvidia/nv_accel.c b/drivers/video/nvidia/nv_accel.c index 9efb8a3854e..fa4821c5572 100644 --- a/drivers/video/nvidia/nv_accel.c +++ b/drivers/video/nvidia/nv_accel.c @@ -69,27 +69,38 @@ static const int NVCopyROP_PM[16] = { 0x5A, /* invert */ }; -static inline void NVFlush(struct nvidia_par *par) +static inline void nvidiafb_safe_mode(struct fb_info *info) { + struct nvidia_par *par = info->par; + + touch_softlockup_watchdog(); + info->pixmap.scan_align = 1; + par->lockup = 1; +} + +static inline void NVFlush(struct fb_info *info) +{ + struct nvidia_par *par = info->par; int count = 1000000000; while (--count && READ_GET(par) != par->dmaPut) ; if (!count) { printk("nvidiafb: DMA Flush lockup\n"); - par->lockup = 1; + nvidiafb_safe_mode(info); } } -static inline void NVSync(struct nvidia_par *par) +static inline void NVSync(struct fb_info *info) { + struct nvidia_par *par = info->par; int count = 1000000000; while (--count && NV_RD32(par->PGRAPH, 0x0700)) ; if (!count) { printk("nvidiafb: DMA Sync lockup\n"); - par->lockup = 1; + nvidiafb_safe_mode(info); } } @@ -101,8 +112,9 @@ static void NVDmaKickoff(struct nvidia_par *par) } } -static void NVDmaWait(struct nvidia_par *par, int size) +static void NVDmaWait(struct fb_info *info, int size) { + struct nvidia_par *par = info->par; int dmaGet; int count = 1000000000, cnt; size++; @@ -135,34 +147,38 @@ static void NVDmaWait(struct nvidia_par *par, int size) } if (!count) { - printk("DMA Wait Lockup\n"); - par->lockup = 1; + printk("nvidiafb: DMA Wait Lockup\n"); + nvidiafb_safe_mode(info); } } -static void NVSetPattern(struct nvidia_par *par, u32 clr0, u32 clr1, +static void NVSetPattern(struct fb_info *info, u32 clr0, u32 clr1, u32 pat0, u32 pat1) { - NVDmaStart(par, PATTERN_COLOR_0, 4); + struct nvidia_par *par = info->par; + + NVDmaStart(info, par, PATTERN_COLOR_0, 4); NVDmaNext(par, clr0); NVDmaNext(par, clr1); NVDmaNext(par, pat0); NVDmaNext(par, pat1); } -static void NVSetRopSolid(struct nvidia_par *par, u32 rop, u32 planemask) +static void NVSetRopSolid(struct fb_info *info, u32 rop, u32 planemask) { + struct nvidia_par *par = info->par; + if (planemask != ~0) { - NVSetPattern(par, 0, planemask, ~0, ~0); + NVSetPattern(info, 0, planemask, ~0, ~0); if (par->currentRop != (rop + 32)) { - NVDmaStart(par, ROP_SET, 1); + NVDmaStart(info, par, ROP_SET, 1); NVDmaNext(par, NVCopyROP_PM[rop]); par->currentRop = rop + 32; } } else if (par->currentRop != rop) { if (par->currentRop >= 16) - NVSetPattern(par, ~0, ~0, ~0, ~0); - NVDmaStart(par, ROP_SET, 1); + NVSetPattern(info, ~0, ~0, ~0, ~0); + NVDmaStart(info, par, ROP_SET, 1); NVDmaNext(par, NVCopyROP[rop]); par->currentRop = rop; } @@ -175,7 +191,7 @@ static void NVSetClippingRectangle(struct fb_info *info, int x1, int y1, int h = y2 - y1 + 1; int w = x2 - x1 + 1; - NVDmaStart(par, CLIP_POINT, 2); + NVDmaStart(info, par, CLIP_POINT, 2); NVDmaNext(par, (y1 << 16) | x1); NVDmaNext(par, (h << 16) | w); } @@ -237,23 +253,23 @@ void NVResetGraphics(struct fb_info *info) break; } - NVDmaStart(par, SURFACE_FORMAT, 4); + NVDmaStart(info, par, SURFACE_FORMAT, 4); NVDmaNext(par, surfaceFormat); NVDmaNext(par, pitch | (pitch << 16)); NVDmaNext(par, 0); NVDmaNext(par, 0); - NVDmaStart(par, PATTERN_FORMAT, 1); + NVDmaStart(info, par, PATTERN_FORMAT, 1); NVDmaNext(par, patternFormat); - NVDmaStart(par, RECT_FORMAT, 1); + NVDmaStart(info, par, RECT_FORMAT, 1); NVDmaNext(par, rectFormat); - NVDmaStart(par, LINE_FORMAT, 1); + NVDmaStart(info, par, LINE_FORMAT, 1); NVDmaNext(par, lineFormat); par->currentRop = ~0; /* set to something invalid */ - NVSetRopSolid(par, ROP_COPY, ~0); + NVSetRopSolid(info, ROP_COPY, ~0); NVSetClippingRectangle(info, 0, 0, info->var.xres_virtual, info->var.yres_virtual); @@ -269,10 +285,10 @@ int nvidiafb_sync(struct fb_info *info) return 0; if (!par->lockup) - NVFlush(par); + NVFlush(info); if (!par->lockup) - NVSync(par); + NVSync(info); return 0; } @@ -287,7 +303,7 @@ void nvidiafb_copyarea(struct fb_info *info, const struct fb_copyarea *region) if (par->lockup) return cfb_copyarea(info, region); - NVDmaStart(par, BLIT_POINT_SRC, 3); + NVDmaStart(info, par, BLIT_POINT_SRC, 3); NVDmaNext(par, (region->sy << 16) | region->sx); NVDmaNext(par, (region->dy << 16) | region->dx); NVDmaNext(par, (region->height << 16) | region->width); @@ -312,19 +328,19 @@ void nvidiafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) color = ((u32 *) info->pseudo_palette)[rect->color]; if (rect->rop != ROP_COPY) - NVSetRopSolid(par, rect->rop, ~0); + NVSetRopSolid(info, rect->rop, ~0); - NVDmaStart(par, RECT_SOLID_COLOR, 1); + NVDmaStart(info, par, RECT_SOLID_COLOR, 1); NVDmaNext(par, color); - NVDmaStart(par, RECT_SOLID_RECTS(0), 2); + NVDmaStart(info, par, RECT_SOLID_RECTS(0), 2); NVDmaNext(par, (rect->dx << 16) | rect->dy); NVDmaNext(par, (rect->width << 16) | rect->height); NVDmaKickoff(par); if (rect->rop != ROP_COPY) - NVSetRopSolid(par, ROP_COPY, ~0); + NVSetRopSolid(info, ROP_COPY, ~0); } static void nvidiafb_mono_color_expand(struct fb_info *info, @@ -346,7 +362,7 @@ static void nvidiafb_mono_color_expand(struct fb_info *info, bg = ((u32 *) info->pseudo_palette)[image->bg_color] | mask; } - NVDmaStart(par, RECT_EXPAND_TWO_COLOR_CLIP, 7); + NVDmaStart(info, par, RECT_EXPAND_TWO_COLOR_CLIP, 7); NVDmaNext(par, (image->dy << 16) | (image->dx & 0xffff)); NVDmaNext(par, ((image->dy + image->height) << 16) | ((image->dx + image->width) & 0xffff)); @@ -357,7 +373,7 @@ static void nvidiafb_mono_color_expand(struct fb_info *info, NVDmaNext(par, (image->dy << 16) | (image->dx & 0xffff)); while (dsize >= RECT_EXPAND_TWO_COLOR_DATA_MAX_DWORDS) { - NVDmaStart(par, RECT_EXPAND_TWO_COLOR_DATA(0), + NVDmaStart(info, par, RECT_EXPAND_TWO_COLOR_DATA(0), RECT_EXPAND_TWO_COLOR_DATA_MAX_DWORDS); for (j = RECT_EXPAND_TWO_COLOR_DATA_MAX_DWORDS; j--;) { @@ -370,7 +386,7 @@ static void nvidiafb_mono_color_expand(struct fb_info *info, } if (dsize) { - NVDmaStart(par, RECT_EXPAND_TWO_COLOR_DATA(0), dsize); + NVDmaStart(info, par, RECT_EXPAND_TWO_COLOR_DATA(0), dsize); for (j = dsize; j--;) { tmp = data[k++]; diff --git a/drivers/video/nvidia/nv_hw.c b/drivers/video/nvidia/nv_hw.c index ea426115c6f..f297c7b14a4 100644 --- a/drivers/video/nvidia/nv_hw.c +++ b/drivers/video/nvidia/nv_hw.c @@ -686,7 +686,7 @@ static void nForceUpdateArbitrationSettings(unsigned VClk, if ((par->Chipset & 0x0FF0) == 0x01A0) { unsigned int uMClkPostDiv; - dev = pci_find_slot(0, 3); + dev = pci_get_bus_and_slot(0, 3); pci_read_config_dword(dev, 0x6C, &uMClkPostDiv); uMClkPostDiv = (uMClkPostDiv >> 8) & 0xf; @@ -694,11 +694,11 @@ static void nForceUpdateArbitrationSettings(unsigned VClk, uMClkPostDiv = 4; MClk = 400000 / uMClkPostDiv; } else { - dev = pci_find_slot(0, 5); + dev = pci_get_bus_and_slot(0, 5); pci_read_config_dword(dev, 0x4c, &MClk); MClk /= 1000; } - + pci_dev_put(dev); pll = NV_RD32(par->PRAMDAC0, 0x0500); M = (pll >> 0) & 0xFF; N = (pll >> 8) & 0xFF; @@ -707,19 +707,21 @@ static void nForceUpdateArbitrationSettings(unsigned VClk, sim_data.pix_bpp = (char)pixelDepth; sim_data.enable_video = 0; sim_data.enable_mp = 0; - pci_find_slot(0, 1); + dev = pci_get_bus_and_slot(0, 1); pci_read_config_dword(dev, 0x7C, &sim_data.memory_type); + pci_dev_put(dev); sim_data.memory_type = (sim_data.memory_type >> 12) & 1; sim_data.memory_width = 64; - dev = pci_find_slot(0, 3); + dev = pci_get_bus_and_slot(0, 3); pci_read_config_dword(dev, 0, &memctrl); + pci_dev_put(dev); memctrl >>= 16; if ((memctrl == 0x1A9) || (memctrl == 0x1AB) || (memctrl == 0x1ED)) { int dimm[3]; - pci_find_slot(0, 2); + dev = pci_get_bus_and_slot(0, 2); pci_read_config_dword(dev, 0x40, &dimm[0]); dimm[0] = (dimm[0] >> 8) & 0x4f; pci_read_config_dword(dev, 0x44, &dimm[1]); @@ -731,6 +733,7 @@ static void nForceUpdateArbitrationSettings(unsigned VClk, printk("nvidiafb: your nForce DIMMs are not arranged " "in optimal banks!\n"); } + pci_dev_put(dev); } sim_data.mem_latency = 3; diff --git a/drivers/video/nvidia/nv_i2c.c b/drivers/video/nvidia/nv_i2c.c index b8588973e40..afe4567e1ff 100644 --- a/drivers/video/nvidia/nv_i2c.c +++ b/drivers/video/nvidia/nv_i2c.c @@ -30,16 +30,14 @@ static void nvidia_gpio_setscl(void *data, int state) struct nvidia_par *par = chan->par; u32 val; - VGA_WR08(par->PCIO, 0x3d4, chan->ddc_base + 1); - val = VGA_RD08(par->PCIO, 0x3d5) & 0xf0; + val = NVReadCrtc(par, chan->ddc_base + 1) & 0xf0; if (state) val |= 0x20; else val &= ~0x20; - VGA_WR08(par->PCIO, 0x3d4, chan->ddc_base + 1); - VGA_WR08(par->PCIO, 0x3d5, val | 0x1); + NVWriteCrtc(par, chan->ddc_base + 1, val | 0x01); } static void nvidia_gpio_setsda(void *data, int state) @@ -48,16 +46,14 @@ static void nvidia_gpio_setsda(void *data, int state) struct nvidia_par *par = chan->par; u32 val; - VGA_WR08(par->PCIO, 0x3d4, chan->ddc_base + 1); - val = VGA_RD08(par->PCIO, 0x3d5) & 0xf0; + val = NVReadCrtc(par, chan->ddc_base + 1) & 0xf0; if (state) val |= 0x10; else val &= ~0x10; - VGA_WR08(par->PCIO, 0x3d4, chan->ddc_base + 1); - VGA_WR08(par->PCIO, 0x3d5, val | 0x1); + NVWriteCrtc(par, chan->ddc_base + 1, val | 0x01); } static int nvidia_gpio_getscl(void *data) @@ -66,12 +62,9 @@ static int nvidia_gpio_getscl(void *data) struct nvidia_par *par = chan->par; u32 val = 0; - VGA_WR08(par->PCIO, 0x3d4, chan->ddc_base); - if (VGA_RD08(par->PCIO, 0x3d5) & 0x04) + if (NVReadCrtc(par, chan->ddc_base) & 0x04) val = 1; - val = VGA_RD08(par->PCIO, 0x3d5); - return val; } @@ -81,20 +74,21 @@ static int nvidia_gpio_getsda(void *data) struct nvidia_par *par = chan->par; u32 val = 0; - VGA_WR08(par->PCIO, 0x3d4, chan->ddc_base); - if (VGA_RD08(par->PCIO, 0x3d5) & 0x08) + if (NVReadCrtc(par, chan->ddc_base) & 0x08) val = 1; return val; } -static int nvidia_setup_i2c_bus(struct nvidia_i2c_chan *chan, const char *name) +static int nvidia_setup_i2c_bus(struct nvidia_i2c_chan *chan, const char *name, + unsigned int i2c_class) { int rc; strcpy(chan->adapter.name, name); chan->adapter.owner = THIS_MODULE; chan->adapter.id = I2C_HW_B_NVIDIA; + chan->adapter.class = i2c_class; chan->adapter.algo_data = &chan->algo; chan->adapter.dev.parent = &chan->par->pci_dev->dev; chan->algo.setsda = nvidia_gpio_setsda; @@ -127,83 +121,39 @@ static int nvidia_setup_i2c_bus(struct nvidia_i2c_chan *chan, const char *name) void nvidia_create_i2c_busses(struct nvidia_par *par) { - par->bus = 3; - par->chan[0].par = par; par->chan[1].par = par; par->chan[2].par = par; - par->chan[0].ddc_base = 0x3e; - nvidia_setup_i2c_bus(&par->chan[0], "nvidia #0"); + par->chan[0].ddc_base = 0x36; + nvidia_setup_i2c_bus(&par->chan[0], "nvidia #0", I2C_CLASS_HWMON); - par->chan[1].ddc_base = 0x36; - nvidia_setup_i2c_bus(&par->chan[1], "nvidia #1"); + par->chan[1].ddc_base = 0x3e; + nvidia_setup_i2c_bus(&par->chan[1], "nvidia #1", 0); par->chan[2].ddc_base = 0x50; - nvidia_setup_i2c_bus(&par->chan[2], "nvidia #2"); + nvidia_setup_i2c_bus(&par->chan[2], "nvidia #2", 0); } void nvidia_delete_i2c_busses(struct nvidia_par *par) { - if (par->chan[0].par) - i2c_del_adapter(&par->chan[0].adapter); - par->chan[0].par = NULL; - - if (par->chan[1].par) - i2c_del_adapter(&par->chan[1].adapter); - par->chan[1].par = NULL; - - if (par->chan[2].par) - i2c_del_adapter(&par->chan[2].adapter); - par->chan[2].par = NULL; - -} + int i; -static u8 *nvidia_do_probe_i2c_edid(struct nvidia_i2c_chan *chan) -{ - u8 start = 0x0; - struct i2c_msg msgs[] = { - { - .addr = 0x50, - .len = 1, - .buf = &start, - }, { - .addr = 0x50, - .flags = I2C_M_RD, - .len = EDID_LENGTH, - }, - }; - u8 *buf; - - if (!chan->par) - return NULL; - - buf = kmalloc(EDID_LENGTH, GFP_KERNEL); - if (!buf) { - dev_warn(&chan->par->pci_dev->dev, "Out of memory!\n"); - return NULL; + for (i = 0; i < 3; i++) { + if (!par->chan[i].par) + continue; + i2c_del_adapter(&par->chan[i].adapter); + par->chan[i].par = NULL; } - msgs[1].buf = buf; - - if (i2c_transfer(&chan->adapter, msgs, 2) == 2) - return buf; - dev_dbg(&chan->par->pci_dev->dev, "Unable to read EDID block.\n"); - kfree(buf); - return NULL; } int nvidia_probe_i2c_connector(struct fb_info *info, int conn, u8 **out_edid) { struct nvidia_par *par = info->par; u8 *edid = NULL; - int i; - for (i = 0; i < 3; i++) { - /* Do the real work */ - edid = nvidia_do_probe_i2c_edid(&par->chan[conn - 1]); - if (edid) - break; - } + if (par->chan[conn - 1].par) + edid = fb_ddc_read(&par->chan[conn - 1].adapter); if (!edid && conn == 1) { /* try to get from firmware */ diff --git a/drivers/video/nvidia/nv_local.h b/drivers/video/nvidia/nv_local.h index e009d242ea1..68e508daa41 100644 --- a/drivers/video/nvidia/nv_local.h +++ b/drivers/video/nvidia/nv_local.h @@ -73,9 +73,9 @@ #define NVDmaNext(par, data) \ NV_WR32(&(par)->dmaBase[(par)->dmaCurrent++], 0, (data)) -#define NVDmaStart(par, tag, size) { \ +#define NVDmaStart(info, par, tag, size) { \ if((par)->dmaFree <= (size)) \ - NVDmaWait(par, size); \ + NVDmaWait(info, size); \ NVDmaNext(par, ((size) << 18) | (tag)); \ (par)->dmaFree -= ((size) + 1); \ } diff --git a/drivers/video/nvidia/nv_of.c b/drivers/video/nvidia/nv_of.c index 163a774a1b3..73afd7eb997 100644 --- a/drivers/video/nvidia/nv_of.c +++ b/drivers/video/nvidia/nv_of.c @@ -46,15 +46,15 @@ int nvidia_probe_of_connector(struct fb_info *info, int conn, u8 **out_edid) for (dp = NULL; (dp = of_get_next_child(parent, dp)) != NULL;) { - pname = get_property(dp, "name", NULL); + pname = of_get_property(dp, "name", NULL); if (!pname) continue; len = strlen(pname); if ((pname[len-1] == 'A' && conn == 1) || (pname[len-1] == 'B' && conn == 2)) { for (i = 0; propnames[i] != NULL; ++i) { - pedid = get_property(dp, propnames[i], - NULL); + pedid = of_get_property(dp, + propnames[i], NULL); if (pedid != NULL) break; } @@ -65,7 +65,7 @@ int nvidia_probe_of_connector(struct fb_info *info, int conn, u8 **out_edid) } if (pedid == NULL) { for (i = 0; propnames[i] != NULL; ++i) { - pedid = get_property(parent, propnames[i], NULL); + pedid = of_get_property(parent, propnames[i], NULL); if (pedid != NULL) break; } diff --git a/drivers/video/nvidia/nv_setup.c b/drivers/video/nvidia/nv_setup.c index eab3e282a4d..707e2c8a13e 100644 --- a/drivers/video/nvidia/nv_setup.c +++ b/drivers/video/nvidia/nv_setup.c @@ -261,7 +261,7 @@ static void nv10GetConfig(struct nvidia_par *par) } #endif - dev = pci_find_slot(0, 1); + dev = pci_get_bus_and_slot(0, 1); if ((par->Chipset & 0xffff) == 0x01a0) { int amt = 0; @@ -276,6 +276,7 @@ static void nv10GetConfig(struct nvidia_par *par) par->RamAmountKBytes = (NV_RD32(par->PFB, 0x020C) & 0xFFF00000) >> 10; } + pci_dev_put(dev); par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 6)) ? 14318 : 13500; @@ -656,7 +657,7 @@ int NVCommonSetup(struct fb_info *info) par->LVDS = 0; if (par->FlatPanel && par->twoHeads) { NV_WR32(par->PRAMDAC0, 0x08B0, 0x00010004); - if (par->PRAMDAC0[0x08b4] & 1) + if (NV_RD32(par->PRAMDAC0, 0x08b4) & 1) par->LVDS = 1; printk("nvidiafb: Panel is %s\n", par->LVDS ? "LVDS" : "TMDS"); } diff --git a/drivers/video/nvidia/nv_type.h b/drivers/video/nvidia/nv_type.h index 86e65dea60d..38f7cc0a233 100644 --- a/drivers/video/nvidia/nv_type.h +++ b/drivers/video/nvidia/nv_type.h @@ -4,8 +4,9 @@ #include <linux/fb.h> #include <linux/types.h> #include <linux/i2c.h> -#include <linux/i2c-id.h> #include <linux/i2c-algo-bit.h> +#include <linux/mutex.h> +#include <video/vga.h> #define NV_ARCH_04 0x04 #define NV_ARCH_10 0x10 @@ -94,13 +95,15 @@ struct riva_regs { struct nvidia_par { RIVA_HW_STATE SavedReg; RIVA_HW_STATE ModeReg; + RIVA_HW_STATE initial_state; RIVA_HW_STATE *CurrentState; + struct vgastate vgastate; + struct mutex open_lock; u32 pseudo_palette[16]; struct pci_dev *pci_dev; u32 Architecture; u32 CursorStart; int Chipset; - int bus; unsigned long FbAddress; u8 __iomem *FbStart; u32 FbMapSize; @@ -143,6 +146,7 @@ struct nvidia_par { int BlendingPossible; u32 paletteEnabled; u32 forceCRTC; + u32 open_count; u8 DDCBase; #ifdef CONFIG_MTRR struct { diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c index b97ec690126..7c36b5fe582 100644 --- a/drivers/video/nvidia/nvidia.c +++ b/drivers/video/nvidia/nvidia.c @@ -200,7 +200,7 @@ static int nvidia_panel_tweak(struct nvidia_par *par, return tweak; } -static void nvidia_vga_protect(struct nvidia_par *par, int on) +static void nvidia_screen_off(struct nvidia_par *par, int on) { unsigned char tmp; @@ -649,7 +649,7 @@ static int nvidiafb_set_par(struct fb_info *info) NVLockUnlock(par, 0); } - nvidia_vga_protect(par, 1); + nvidia_screen_off(par, 1); nvidia_write_regs(par, &par->ModeReg); NVSetStartAddress(par, 0); @@ -687,7 +687,7 @@ static int nvidiafb_set_par(struct fb_info *info) par->cursor_reset = 1; - nvidia_vga_protect(par, 0); + nvidia_screen_off(par, 0); #ifdef CONFIG_BOOTX_TEXT /* Update debug text engine */ @@ -696,6 +696,7 @@ static int nvidiafb_set_par(struct fb_info *info) info->var.bits_per_pixel, info->fix.line_length); #endif + NVLockUnlock(par, 0); NVTRACE_LEAVE(); return 0; } @@ -948,8 +949,80 @@ static int nvidiafb_blank(int blank, struct fb_info *info) return 0; } +/* + * Because the VGA registers are not mapped linearly in its MMIO space, + * restrict VGA register saving and restore to x86 only, where legacy VGA IO + * access is legal. Consequently, we must also check if the device is the + * primary display. + */ +#ifdef CONFIG_X86 +static void save_vga_x86(struct nvidia_par *par) +{ + struct resource *res= &par->pci_dev->resource[PCI_ROM_RESOURCE]; + + if (res && res->flags & IORESOURCE_ROM_SHADOW) { + memset(&par->vgastate, 0, sizeof(par->vgastate)); + par->vgastate.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS | + VGA_SAVE_CMAP; + save_vga(&par->vgastate); + } +} + +static void restore_vga_x86(struct nvidia_par *par) +{ + struct resource *res= &par->pci_dev->resource[PCI_ROM_RESOURCE]; + + if (res && res->flags & IORESOURCE_ROM_SHADOW) + restore_vga(&par->vgastate); +} +#else +#define save_vga_x86(x) do {} while (0) +#define restore_vga_x86(x) do {} while (0) +#endif /* X86 */ + +static int nvidiafb_open(struct fb_info *info, int user) +{ + struct nvidia_par *par = info->par; + + mutex_lock(&par->open_lock); + + if (!par->open_count) { + save_vga_x86(par); + nvidia_save_vga(par, &par->initial_state); + } + + par->open_count++; + mutex_unlock(&par->open_lock); + return 0; +} + +static int nvidiafb_release(struct fb_info *info, int user) +{ + struct nvidia_par *par = info->par; + int err = 0; + + mutex_lock(&par->open_lock); + + if (!par->open_count) { + err = -EINVAL; + goto done; + } + + if (par->open_count == 1) { + nvidia_write_regs(par, &par->initial_state); + restore_vga_x86(par); + } + + par->open_count--; +done: + mutex_unlock(&par->open_lock); + return err; +} + static struct fb_ops nvidia_fb_ops = { .owner = THIS_MODULE, + .fb_open = nvidiafb_open, + .fb_release = nvidiafb_release, .fb_check_var = nvidiafb_check_var, .fb_set_par = nvidiafb_set_par, .fb_setcolreg = nvidiafb_setcolreg, @@ -1207,7 +1280,7 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd, par = info->par; par->pci_dev = pd; - + mutex_init(&par->open_lock); info->pixmap.addr = kzalloc(8 * 1024, GFP_KERNEL); if (info->pixmap.addr == NULL) diff --git a/drivers/video/offb.c b/drivers/video/offb.c index 9576a55eaf1..885b42836cb 100644 --- a/drivers/video/offb.c +++ b/drivers/video/offb.c @@ -322,8 +322,8 @@ static void __init offb_init_fb(const char *name, const char *full_name, ioremap(base + 0x7ff000, 0x1000) + 0xcc0; par->cmap_data = par->cmap_adr + 1; par->cmap_type = cmap_m64; - } else if (dp && (device_is_compatible(dp, "pci1014,b7") || - device_is_compatible(dp, "pci1014,21c"))) { + } else if (dp && (of_device_is_compatible(dp, "pci1014,b7") || + of_device_is_compatible(dp, "pci1014,21c"))) { par->cmap_adr = offb_map_reg(dp, 0, 0x6000, 0x1000); if (par->cmap_adr) par->cmap_type = cmap_gxt2000; @@ -425,27 +425,27 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node) const u32 *pp, *addrp, *up; u64 asize; - pp = get_property(dp, "linux,bootx-depth", &len); + pp = of_get_property(dp, "linux,bootx-depth", &len); if (pp == NULL) - pp = get_property(dp, "depth", &len); + pp = of_get_property(dp, "depth", &len); if (pp && len == sizeof(u32)) depth = *pp; - pp = get_property(dp, "linux,bootx-width", &len); + pp = of_get_property(dp, "linux,bootx-width", &len); if (pp == NULL) - pp = get_property(dp, "width", &len); + pp = of_get_property(dp, "width", &len); if (pp && len == sizeof(u32)) width = *pp; - pp = get_property(dp, "linux,bootx-height", &len); + pp = of_get_property(dp, "linux,bootx-height", &len); if (pp == NULL) - pp = get_property(dp, "height", &len); + pp = of_get_property(dp, "height", &len); if (pp && len == sizeof(u32)) height = *pp; - pp = get_property(dp, "linux,bootx-linebytes", &len); + pp = of_get_property(dp, "linux,bootx-linebytes", &len); if (pp == NULL) - pp = get_property(dp, "linebytes", &len); + pp = of_get_property(dp, "linebytes", &len); if (pp && len == sizeof(u32) && (*pp != 0xffffffffu)) pitch = *pp; else @@ -463,9 +463,9 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node) * ranges and pick one that is both big enough and if possible encloses * the "address" property. If none match, we pick the biggest */ - up = get_property(dp, "linux,bootx-addr", &len); + up = of_get_property(dp, "linux,bootx-addr", &len); if (up == NULL) - up = get_property(dp, "address", &len); + up = of_get_property(dp, "address", &len); if (up && len == sizeof(u32)) addr_prop = *up; @@ -521,7 +521,7 @@ static int __init offb_init(void) return -ENODEV; /* Check if we have a MacOS display without a node spec */ - if (get_property(of_chosen, "linux,bootx-noscreen", NULL) != NULL) { + if (of_get_property(of_chosen, "linux,bootx-noscreen", NULL) != NULL) { /* The old code tried to work out which node was the MacOS * display based on the address. I'm dropping that since the * lack of a node spec only happens with old BootX versions @@ -532,14 +532,14 @@ static int __init offb_init(void) } for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) { - if (get_property(dp, "linux,opened", NULL) && - get_property(dp, "linux,boot-display", NULL)) { + if (of_get_property(dp, "linux,opened", NULL) && + of_get_property(dp, "linux,boot-display", NULL)) { boot_disp = dp; offb_init_nodriver(dp, 0); } } for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) { - if (get_property(dp, "linux,opened", NULL) && + if (of_get_property(dp, "linux,opened", NULL) && dp != boot_disp) offb_init_nodriver(dp, 0); } diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c index a560a222382..1ac5264bb2c 100644 --- a/drivers/video/pm2fb.c +++ b/drivers/video/pm2fb.c @@ -81,8 +81,6 @@ static int lowvsync; struct pm2fb_par { pm2type_t type; /* Board type */ - u32 fb_size; /* framebuffer memory size */ - unsigned char __iomem *v_fb; /* virtual address of frame buffer */ unsigned char __iomem *v_regs;/* virtual address of p_regs */ u32 memclock; /* memclock */ u32 video; /* video flags before blanking */ @@ -103,7 +101,7 @@ static struct fb_fix_screeninfo pm2fb_fix __devinitdata = { .xpanstep = 1, .ypanstep = 1, .ywrapstep = 0, - .accel = FB_ACCEL_NONE, + .accel = FB_ACCEL_3DLABS_PERMEDIA2, }; /* @@ -206,6 +204,17 @@ static inline void WAIT_FIFO(struct pm2fb_par* p, u32 a) } #endif +static void wait_pm2(struct pm2fb_par* par) { + + WAIT_FIFO(par, 1); + pm2_WR(par, PM2R_SYNC, 0); + mb(); + do { + while (pm2_RD(par, PM2R_OUT_FIFO_WORDS) == 0); + rmb(); + } while (pm2_RD(par, PM2R_OUT_FIFO) != PM2TAG(PM2R_SYNC)); +} + /* * partial products for the supported horizontal resolutions. */ @@ -302,10 +311,10 @@ static void pm2v_mnp(u32 clk, unsigned char* mm, unsigned char* nn, s32 delta = 1000; *mm = *nn = *pp = 0; - for (n = 1; n; n++) { - for ( m = 1; m; m++) { + for ( m = 1; m < 128; m++) { + for (n = 2 * m + 1; n; n++) { for ( p = 0; p < 2; p++) { - f = PM2_REFERENCE_CLOCK * n / (m * (1 << (p + 1))); + f = ( PM2_REFERENCE_CLOCK >> ( p + 1 )) * n / m; if ( clk > f - delta && clk < f + delta ) { delta = ( clk > f ) ? clk - f : f - clk; *mm=m; @@ -462,21 +471,43 @@ static void set_memclock(struct pm2fb_par* par, u32 clk) int i; unsigned char m, n, p; - pm2_mnp(clk, &m, &n, &p); - WAIT_FIFO(par, 10); - pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_3, 6); - wmb(); - pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_1, m); - pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_2, n); - wmb(); - pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_3, 8|p); - wmb(); - pm2_RDAC_RD(par, PM2I_RD_MEMORY_CLOCK_STATUS); - rmb(); - for (i = 256; - i && !(pm2_RD(par, PM2R_RD_INDEXED_DATA) & PM2F_PLL_LOCKED); - i--) - ; + switch (par->type) { + case PM2_TYPE_PERMEDIA2V: + pm2v_mnp(clk/2, &m, &n, &p); + WAIT_FIFO(par, 8); + pm2_WR(par, PM2VR_RD_INDEX_HIGH, PM2VI_RD_MCLK_CONTROL >> 8); + pm2v_RDAC_WR(par, PM2VI_RD_MCLK_CONTROL, 0); + wmb(); + pm2v_RDAC_WR(par, PM2VI_RD_MCLK_PRESCALE, m); + pm2v_RDAC_WR(par, PM2VI_RD_MCLK_FEEDBACK, n); + pm2v_RDAC_WR(par, PM2VI_RD_MCLK_POSTSCALE, p); + wmb(); + pm2v_RDAC_WR(par, PM2VI_RD_MCLK_CONTROL, 1); + rmb(); + for (i = 256; + i && !(pm2_RDAC_RD(par, PM2VI_RD_MCLK_CONTROL) & 2); + i--) + ; + pm2_WR(par, PM2VR_RD_INDEX_HIGH, 0); + break; + case PM2_TYPE_PERMEDIA2: + pm2_mnp(clk, &m, &n, &p); + WAIT_FIFO(par, 10); + pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_3, 6); + wmb(); + pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_1, m); + pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_2, n); + wmb(); + pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_3, 8|p); + wmb(); + pm2_RDAC_RD(par, PM2I_RD_MEMORY_CLOCK_STATUS); + rmb(); + for (i = 256; + i && !(pm2_RD(par, PM2R_RD_INDEXED_DATA) & PM2F_PLL_LOCKED); + i--) + ; + break; + } } static void set_pixclock(struct pm2fb_par* par, u32 clk) @@ -623,6 +654,8 @@ static int pm2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) return -EINVAL; } + var->transp.offset = 0; + var->transp.length = 0; switch(var->bits_per_pixel) { case 8: var->red.length = var->green.length = var->blue.length = 8; @@ -1017,6 +1050,117 @@ static int pm2fb_blank(int blank_mode, struct fb_info *info) return 0; } +/* + * block operation. copy=0: rectangle fill, copy=1: rectangle copy. + */ +static void pm2fb_block_op(struct pm2fb_par* par, int copy, + s32 xsrc, s32 ysrc, + s32 x, s32 y, s32 w, s32 h, + u32 color) { + + if (!w || !h) + return; + WAIT_FIFO(par, 6); + pm2_WR(par, PM2R_CONFIG, PM2F_CONFIG_FB_WRITE_ENABLE | + PM2F_CONFIG_FB_READ_SOURCE_ENABLE); + pm2_WR(par, PM2R_FB_PIXEL_OFFSET, 0); + if (copy) + pm2_WR(par, PM2R_FB_SOURCE_DELTA, + ((ysrc-y) & 0xfff) << 16 | ((xsrc-x) & 0xfff)); + else + pm2_WR(par, PM2R_FB_BLOCK_COLOR, color); + pm2_WR(par, PM2R_RECTANGLE_ORIGIN, (y << 16) | x); + pm2_WR(par, PM2R_RECTANGLE_SIZE, (h << 16) | w); + wmb(); + pm2_WR(par, PM2R_RENDER,PM2F_RENDER_RECTANGLE | + (x<xsrc ? PM2F_INCREASE_X : 0) | + (y<ysrc ? PM2F_INCREASE_Y : 0) | + (copy ? 0 : PM2F_RENDER_FASTFILL)); + wait_pm2(par); +} + +static void pm2fb_fillrect (struct fb_info *info, + const struct fb_fillrect *region) +{ + struct pm2fb_par *par = info->par; + struct fb_fillrect modded; + int vxres, vyres; + u32 color = (info->fix.visual == FB_VISUAL_TRUECOLOR) ? + ((u32*)info->pseudo_palette)[region->color] : region->color; + + if (info->state != FBINFO_STATE_RUNNING) + return; + if ((info->flags & FBINFO_HWACCEL_DISABLED) || + region->rop != ROP_COPY ) { + cfb_fillrect(info, region); + return; + } + + vxres = info->var.xres_virtual; + vyres = info->var.yres_virtual; + + memcpy(&modded, region, sizeof(struct fb_fillrect)); + + if(!modded.width || !modded.height || + modded.dx >= vxres || modded.dy >= vyres) + return; + + if(modded.dx + modded.width > vxres) + modded.width = vxres - modded.dx; + if(modded.dy + modded.height > vyres) + modded.height = vyres - modded.dy; + + if(info->var.bits_per_pixel == 8) + color |= color << 8; + if(info->var.bits_per_pixel <= 16) + color |= color << 16; + + if(info->var.bits_per_pixel != 24) + pm2fb_block_op(par, 0, 0, 0, + modded.dx, modded.dy, + modded.width, modded.height, color); + else + cfb_fillrect(info, region); +} + +static void pm2fb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + struct pm2fb_par *par = info->par; + struct fb_copyarea modded; + u32 vxres, vyres; + + if (info->state != FBINFO_STATE_RUNNING) + return; + if (info->flags & FBINFO_HWACCEL_DISABLED) { + cfb_copyarea(info, area); + return; + } + + memcpy(&modded, area, sizeof(struct fb_copyarea)); + + vxres = info->var.xres_virtual; + vyres = info->var.yres_virtual; + + if(!modded.width || !modded.height || + modded.sx >= vxres || modded.sy >= vyres || + modded.dx >= vxres || modded.dy >= vyres) + return; + + if(modded.sx + modded.width > vxres) + modded.width = vxres - modded.sx; + if(modded.dx + modded.width > vxres) + modded.width = vxres - modded.dx; + if(modded.sy + modded.height > vyres) + modded.height = vyres - modded.sy; + if(modded.dy + modded.height > vyres) + modded.height = vyres - modded.dy; + + pm2fb_block_op(par, 1, modded.sx, modded.sy, + modded.dx, modded.dy, + modded.width, modded.height, 0); +} + /* ------------ Hardware Independent Functions ------------ */ /* @@ -1030,8 +1174,8 @@ static struct fb_ops pm2fb_ops = { .fb_setcolreg = pm2fb_setcolreg, .fb_blank = pm2fb_blank, .fb_pan_display = pm2fb_pan_display, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, + .fb_fillrect = pm2fb_fillrect, + .fb_copyarea = pm2fb_copyarea, .fb_imageblit = cfb_imageblit, }; @@ -1119,38 +1263,47 @@ static int __devinit pm2fb_probe(struct pci_dev *pdev, if(default_par->mem_control == 0 && default_par->boot_address == 0x31 && - default_par->mem_config == 0x259fffff && - pdev->subsystem_vendor == 0x1048 && - pdev->subsystem_device == 0x0a31) { - DPRINTK("subsystem_vendor: %04x, subsystem_device: %04x\n", - pdev->subsystem_vendor, pdev->subsystem_device); - DPRINTK("We have not been initialized by VGA BIOS " - "and are running on an Elsa Winner 2000 Office\n"); - DPRINTK("Initializing card timings manually...\n"); + default_par->mem_config == 0x259fffff) { + default_par->memclock = CVPPC_MEMCLOCK; default_par->mem_control=0; default_par->boot_address=0x20; default_par->mem_config=0xe6002021; - default_par->memclock=100000; + if (pdev->subsystem_vendor == 0x1048 && + pdev->subsystem_device == 0x0a31) { + DPRINTK("subsystem_vendor: %04x, subsystem_device: %04x\n", + pdev->subsystem_vendor, pdev->subsystem_device); + DPRINTK("We have not been initialized by VGA BIOS " + "and are running on an Elsa Winner 2000 Office\n"); + DPRINTK("Initializing card timings manually...\n"); + default_par->memclock=70000; + } + if (pdev->subsystem_vendor == 0x3d3d && + pdev->subsystem_device == 0x0100) { + DPRINTK("subsystem_vendor: %04x, subsystem_device: %04x\n", + pdev->subsystem_vendor, pdev->subsystem_device); + DPRINTK("We have not been initialized by VGA BIOS " + "and are running on an 3dlabs reference board\n"); + DPRINTK("Initializing card timings manually...\n"); + default_par->memclock=74894; + } } /* Now work out how big lfb is going to be. */ switch(default_par->mem_config & PM2F_MEM_CONFIG_RAM_MASK) { case PM2F_MEM_BANKS_1: - default_par->fb_size=0x200000; + pm2fb_fix.smem_len=0x200000; break; case PM2F_MEM_BANKS_2: - default_par->fb_size=0x400000; + pm2fb_fix.smem_len=0x400000; break; case PM2F_MEM_BANKS_3: - default_par->fb_size=0x600000; + pm2fb_fix.smem_len=0x600000; break; case PM2F_MEM_BANKS_4: - default_par->fb_size=0x800000; + pm2fb_fix.smem_len=0x800000; break; } - default_par->memclock = CVPPC_MEMCLOCK; pm2fb_fix.smem_start = pci_resource_start(pdev, 1); - pm2fb_fix.smem_len = default_par->fb_size; /* Linear frame buffer - request region and map it. */ if ( !request_mem_region(pm2fb_fix.smem_start, pm2fb_fix.smem_len, @@ -1158,9 +1311,9 @@ static int __devinit pm2fb_probe(struct pci_dev *pdev, printk(KERN_WARNING "pm2fb: Can't reserve smem.\n"); goto err_exit_mmio; } - info->screen_base = default_par->v_fb = + info->screen_base = ioremap_nocache(pm2fb_fix.smem_start, pm2fb_fix.smem_len); - if ( !default_par->v_fb ) { + if ( !info->screen_base ) { printk(KERN_WARNING "pm2fb: Can't ioremap smem area.\n"); release_mem_region(pm2fb_fix.smem_start, pm2fb_fix.smem_len); goto err_exit_mmio; @@ -1170,7 +1323,9 @@ static int __devinit pm2fb_probe(struct pci_dev *pdev, info->fix = pm2fb_fix; info->pseudo_palette = default_par->palette; info->flags = FBINFO_DEFAULT | - FBINFO_HWACCEL_YPAN; + FBINFO_HWACCEL_YPAN | + FBINFO_HWACCEL_COPYAREA | + FBINFO_HWACCEL_FILLRECT; if (!mode) mode = "640x480@60"; @@ -1180,13 +1335,13 @@ static int __devinit pm2fb_probe(struct pci_dev *pdev, info->var = pm2fb_var; if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) - goto err_exit_all; + goto err_exit_both; if (register_framebuffer(info) < 0) - goto err_exit_both; + goto err_exit_all; printk(KERN_INFO "fb%d: %s frame buffer device, memory = %dK.\n", - info->node, info->fix.id, default_par->fb_size / 1024); + info->node, info->fix.id, pm2fb_fix.smem_len / 1024); /* * Our driver data @@ -1242,6 +1397,9 @@ static struct pci_device_id pm2fb_id_table[] = { { PCI_VENDOR_ID_3DLABS, PCI_DEVICE_ID_3DLABS_PERMEDIA2V, PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16, 0xff0000, 0 }, + { PCI_VENDOR_ID_3DLABS, PCI_DEVICE_ID_3DLABS_PERMEDIA2V, + PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_NOT_DEFINED_VGA << 8, + 0xff00, 0 }, { 0, } }; diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c index 07d1979bc23..9756a728b74 100644 --- a/drivers/video/ps3fb.c +++ b/drivers/video/ps3fb.c @@ -898,8 +898,8 @@ static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, void *dev) } ps3fb.dev = dev; - error = ps3_alloc_irq(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, - &ps3fb.irq_no); + error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, + &ps3fb.irq_no); if (error) { printk(KERN_ERR "%s: ps3_alloc_irq failed %d\n", __func__, error); @@ -911,7 +911,7 @@ static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, void *dev) if (error) { printk(KERN_ERR "%s: request_irq failed %d\n", __func__, error); - ps3_free_irq(ps3fb.irq_no); + ps3_irq_plug_destroy(ps3fb.irq_no); return error; } @@ -1083,7 +1083,7 @@ err_framebuffer_release: framebuffer_release(info); err_free_irq: free_irq(ps3fb.irq_no, ps3fb.dev); - ps3_free_irq(ps3fb.irq_no); + ps3_irq_plug_destroy(ps3fb.irq_no); err_iounmap_dinfo: iounmap((u8 __iomem *)ps3fb.dinfo); err_gpu_context_free: @@ -1099,7 +1099,7 @@ static void ps3fb_shutdown(struct platform_device *dev) ps3fb_flip_ctl(0); /* flip off */ ps3fb.dinfo->irq.mask = 0; free_irq(ps3fb.irq_no, ps3fb.dev); - ps3_free_irq(ps3fb.irq_no); + ps3_irq_plug_destroy(ps3fb.irq_no); iounmap((u8 __iomem *)ps3fb.dinfo); } @@ -1114,7 +1114,7 @@ void ps3fb_cleanup(void) } if (ps3fb.irq_no) { free_irq(ps3fb.irq_no, ps3fb.dev); - ps3_free_irq(ps3fb.irq_no); + ps3_irq_plug_destroy(ps3fb.irq_no); } iounmap((u8 __iomem *)ps3fb.dinfo); diff --git a/drivers/video/pvr2fb.c b/drivers/video/pvr2fb.c index a93618bc9d2..df2909ae704 100644 --- a/drivers/video/pvr2fb.c +++ b/drivers/video/pvr2fb.c @@ -214,7 +214,7 @@ static int pvr2_init_cable(void); static int pvr2_get_param(const struct pvr2_params *p, const char *s, int val, int size); #ifdef CONFIG_SH_DMA -static ssize_t pvr2fb_write(struct file *file, const char *buf, +static ssize_t pvr2fb_write(struct fb_info *info, const char *buf, size_t count, loff_t *ppos); #endif @@ -674,7 +674,7 @@ static int pvr2_init_cable(void) } #ifdef CONFIG_SH_DMA -static ssize_t pvr2fb_write(struct file *file, const char *buf, +static ssize_t pvr2fb_write(struct fb_info *info, const char *buf, size_t count, loff_t *ppos) { unsigned long dst, start, end, len; diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 0b195f33f84..81e571d59b5 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -1203,7 +1203,7 @@ static int __init pxafb_parse_options(struct device *dev, char *options) } else goto done; break; - case '0'...'9': + case '0' ... '9': break; default: goto done; diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index d7ece8d17a2..0fe547842c6 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c @@ -317,15 +317,15 @@ static int riva_bl_update_status(struct backlight_device *bd) else level = bd->props.brightness; - tmp_pmc = par->riva.PMC[0x10F0/4] & 0x0000FFFF; - tmp_pcrt = par->riva.PCRTC0[0x081C/4] & 0xFFFFFFFC; + tmp_pmc = NV_RD32(par->riva.PMC, 0x10F0) & 0x0000FFFF; + tmp_pcrt = NV_RD32(par->riva.PCRTC0, 0x081C) & 0xFFFFFFFC; if(level > 0) { tmp_pcrt |= 0x1; tmp_pmc |= (1 << 31); /* backlight bit */ tmp_pmc |= riva_bl_get_level_brightness(par, level) << 16; /* level */ } - par->riva.PCRTC0[0x081C/4] = tmp_pcrt; - par->riva.PMC[0x10F0/4] = tmp_pmc; + NV_WR32(par->riva.PCRTC0, 0x081C, tmp_pcrt); + NV_WR32(par->riva.PMC, 0x10F0, tmp_pmc); return 0; } @@ -1760,13 +1760,13 @@ static int __devinit riva_get_EDID_OF(struct fb_info *info, struct pci_dev *pd) NVTRACE_ENTER(); dp = pci_device_to_OF_node(pd); for (; dp != NULL; dp = dp->child) { - disptype = get_property(dp, "display-type", NULL); + disptype = of_get_property(dp, "display-type", NULL); if (disptype == NULL) continue; if (strncmp(disptype, "LCD", 3) != 0) continue; for (i = 0; propnames[i] != NULL; ++i) { - pedid = get_property(dp, propnames[i], NULL); + pedid = of_get_property(dp, propnames[i], NULL); if (pedid != NULL) { par->EDID = (unsigned char *)pedid; NVTRACE("LCD found.\n"); @@ -1788,8 +1788,10 @@ static int __devinit riva_get_EDID_i2c(struct fb_info *info) NVTRACE_ENTER(); riva_create_i2c_busses(par); - for (i = 0; i < par->bus; i++) { - riva_probe_i2c_connector(par, i+1, &par->EDID); + for (i = 0; i < 3; i++) { + if (!par->chan[i].par) + continue; + riva_probe_i2c_connector(par, i, &par->EDID); if (par->EDID && !fb_parse_edid(par->EDID, &var)) { printk(PFX "Found EDID Block from BUS %i\n", i); break; @@ -2104,7 +2106,7 @@ err_ret: return ret; } -static void __exit rivafb_remove(struct pci_dev *pd) +static void __devexit rivafb_remove(struct pci_dev *pd) { struct fb_info *info = pci_get_drvdata(pd); struct riva_par *par = info->par; @@ -2185,7 +2187,7 @@ static struct pci_driver rivafb_driver = { .name = "rivafb", .id_table = rivafb_pci_tbl, .probe = rivafb_probe, - .remove = __exit_p(rivafb_remove), + .remove = __devexit_p(rivafb_remove), }; diff --git a/drivers/video/riva/nv4ref.h b/drivers/video/riva/nv4ref.h deleted file mode 100644 index 3b5f9117c37..00000000000 --- a/drivers/video/riva/nv4ref.h +++ /dev/null @@ -1,2445 +0,0 @@ - /***************************************************************************\ -|* *| -|* Copyright 1993-1998 NVIDIA, Corporation. All rights reserved. *| -|* *| -|* NOTICE TO USER: The source code is copyrighted under U.S. and *| -|* international laws. Users and possessors of this source code are *| -|* hereby granted a nonexclusive, royalty-free copyright license to *| -|* use this code in individual and commercial software. *| -|* *| -|* Any use of this source code must include, in the user documenta- *| -|* tion and internal comments to the code, notices to the end user *| -|* as follows: *| -|* *| -|* Copyright 1993-1998 NVIDIA, Corporation. All rights reserved. *| -|* *| -|* NVIDIA, CORPORATION MAKES NO REPRESENTATION ABOUT THE SUITABILITY *| -|* OF THIS SOURCE CODE FOR ANY PURPOSE. IT IS PROVIDED "AS IS" *| -|* WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND. NVIDIA, CORPOR- *| -|* ATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOURCE CODE, *| -|* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGE- *| -|* MENT, AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL *| -|* NVIDIA, CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT, INCI- *| -|* DENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RE- *| -|* SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION *| -|* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF *| -|* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOURCE CODE. *| -|* *| -|* U.S. Government End Users. This source code is a "commercial *| -|* item," as that term is defined at 48 C.F.R. 2.101 (OCT 1995), *| -|* consisting of "commercial computer software" and "commercial *| -|* computer software documentation," as such terms are used in *| -|* 48 C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Govern- *| -|* ment only as a commercial end item. Consistent with 48 C.F.R. *| -|* 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), *| -|* all U.S. Government End Users acquire the source code with only *| -|* those rights set forth herein. *| -|* *| - \***************************************************************************/ - -/* - * GPL licensing note -- nVidia is allowing a liberal interpretation of - * the documentation restriction above, to merely say that this nVidia's - * copyright and disclaimer should be included with all code derived - * from this source. -- Jeff Garzik <jgarzik@pobox.com>, 01/Nov/99 - */ - - /***************************************************************************\ -|* Modified 1999 by Fredrik Reite (fredrik@reite.com) *| - \***************************************************************************/ - - -#ifndef __NV4REF_H__ -#define __NV4REF_H__ - -/* Magic values to lock/unlock extended regs */ -#define NV_CIO_SR_LOCK_INDEX 0x0000001F /* */ -#define NV_CIO_SR_UNLOCK_RW_VALUE 0x00000057 /* */ -#define NV_CIO_SR_UNLOCK_RO_VALUE 0x00000075 /* */ -#define NV_CIO_SR_LOCK_VALUE 0x00000099 /* */ - -#define UNLOCK_EXT_MAGIC 0x57 -#define LOCK_EXT_MAGIC 0x99 /* Any value other than 0x57 will do */ - -#define LOCK_EXT_INDEX 0x6 - -#define NV_PCRTC_HORIZ_TOTAL 0x00 -#define NV_PCRTC_HORIZ_DISPLAY_END 0x01 -#define NV_PCRTC_HORIZ_BLANK_START 0x02 - -#define NV_PCRTC_HORIZ_BLANK_END 0x03 -#define NV_PCRTC_HORIZ_BLANK_END_EVRA 7:7 -#define NV_PCRTC_HORIZ_BLANK_END_DISPLAY_END_SKEW 6:5 -#define NV_PCRTC_HORIZ_BLANK_END_HORIZ_BLANK_END 4:0 - -#define NV_PCRTC_HORIZ_RETRACE_START 0x04 - -#define NV_PCRTC_HORIZ_RETRACE_END 0x05 -#define NV_PCRTC_HORIZ_RETRACE_END_HORIZ_BLANK_END_5 7:7 -#define NV_PCRTC_HORIZ_RETRACE_END_HORIZ_RETRACE_SKEW 6:5 -#define NV_PCRTC_HORIZ_RETRACE_END_HORIZ_RETRACE_END 4:0 - -#define NV_PCRTC_VERT_TOTAL 0x06 - -#define NV_PCRTC_OVERFLOW 0x07 -#define NV_PCRTC_OVERFLOW_VERT_RETRACE_START_9 7:7 -#define NV_PCRTC_OVERFLOW_VERT_DISPLAY_END_9 6:6 -#define NV_PCRTC_OVERFLOW_VERT_TOTAL_9 5:5 -#define NV_PCRTC_OVERFLOW_LINE_COMPARE_8 4:4 -#define NV_PCRTC_OVERFLOW_VERT_BLANK_START_8 3:3 -#define NV_PCRTC_OVERFLOW_VERT_RETRACE_START_8 2:2 -#define NV_PCRTC_OVERFLOW_VERT_DISPLAY_END_8 1:1 -#define NV_PCRTC_OVERFLOW_VERT_TOTAL_8 0:0 - -#define NV_PCRTC_PRESET_ROW_SCAN 0x08 - -#define NV_PCRTC_MAX_SCAN_LINE 0x09 -#define NV_PCRTC_MAX_SCAN_LINE_DOUBLE_SCAN 7:7 -#define NV_PCRTC_MAX_SCAN_LINE_LINE_COMPARE_9 6:6 -#define NV_PCRTC_MAX_SCAN_LINE_VERT_BLANK_START_9 5:5 -#define NV_PCRTC_MAX_SCAN_LINE_MAX_SCAN_LINE 4:0 - -#define NV_PCRTC_CURSOR_START 0x0A -#define NV_PCRTC_CURSOR_END 0x0B -#define NV_PCRTC_START_ADDR_HIGH 0x0C -#define NV_PCRTC_START_ADDR_LOW 0x0D -#define NV_PCRTC_CURSOR_LOCATION_HIGH 0x0E -#define NV_PCRTC_CURSOR_LOCATION_LOW 0x0F - -#define NV_PCRTC_VERT_RETRACE_START 0x10 -#define NV_PCRTC_VERT_RETRACE_END 0x11 -#define NV_PCRTC_VERT_DISPLAY_END 0x12 -#define NV_PCRTC_OFFSET 0x13 -#define NV_PCRTC_UNDERLINE_LOCATION 0x14 -#define NV_PCRTC_VERT_BLANK_START 0x15 -#define NV_PCRTC_VERT_BLANK_END 0x16 -#define NV_PCRTC_MODE_CONTROL 0x17 -#define NV_PCRTC_LINE_COMPARE 0x18 - -/* Extended offset and start address */ -#define NV_PCRTC_REPAINT0 0x19 -#define NV_PCRTC_REPAINT0_OFFSET_10_8 7:5 -#define NV_PCRTC_REPAINT0_START_ADDR_20_16 4:0 - -/* Horizonal extended bits */ -#define NV_PCRTC_HORIZ_EXTRA 0x2d -#define NV_PCRTC_HORIZ_EXTRA_INTER_HALF_START_8 4:4 -#define NV_PCRTC_HORIZ_EXTRA_HORIZ_RETRACE_START_8 3:3 -#define NV_PCRTC_HORIZ_EXTRA_HORIZ_BLANK_START_8 2:2 -#define NV_PCRTC_HORIZ_EXTRA_DISPLAY_END_8 1:1 -#define NV_PCRTC_HORIZ_EXTRA_DISPLAY_TOTAL_8 0:0 - -/* Assorted extra bits */ -#define NV_PCRTC_EXTRA 0x25 -#define NV_PCRTC_EXTRA_OFFSET_11 5:5 -#define NV_PCRTC_EXTRA_HORIZ_BLANK_END_6 4:4 -#define NV_PCRTC_EXTRA_VERT_BLANK_START_10 3:3 -#define NV_PCRTC_EXTRA_VERT_RETRACE_START_10 2:2 -#define NV_PCRTC_EXTRA_VERT_DISPLAY_END_10 1:1 -#define NV_PCRTC_EXTRA_VERT_TOTAL_10 0:0 - -/* Controls how much data the refresh fifo requests */ -#define NV_PCRTC_FIFO_CONTROL 0x1b -#define NV_PCRTC_FIFO_CONTROL_UNDERFLOW_WARN 7:7 -#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH 2:0 -#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH_8 0x0 -#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH_32 0x1 -#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH_64 0x2 -#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH_128 0x3 -#define NV_PCRTC_FIFO_CONTROL_BURST_LENGTH_256 0x4 - -/* When the fifo occupancy falls below *twice* the watermark, - * the refresh fifo will start to be refilled. If this value is - * too low, you will get junk on the screen. Too high, and performance - * will suffer. Watermark in units of 8 bytes - */ -#define NV_PCRTC_FIFO 0x20 -#define NV_PCRTC_FIFO_RESET 7:7 -#define NV_PCRTC_FIFO_WATERMARK 5:0 - -/* Various flags */ -#define NV_PCRTC_REPAINT1 0x1a -#define NV_PCRTC_REPAINT1_HSYNC 7:7 -#define NV_PCRTC_REPAINT1_HYSNC_DISABLE 0x01 -#define NV_PCRTC_REPAINT1_HYSNC_ENABLE 0x00 -#define NV_PCRTC_REPAINT1_VSYNC 6:6 -#define NV_PCRTC_REPAINT1_VYSNC_DISABLE 0x01 -#define NV_PCRTC_REPAINT1_VYSNC_ENABLE 0x00 -#define NV_PCRTC_REPAINT1_COMPATIBLE_TEXT 4:4 -#define NV_PCRTC_REPAINT1_COMPATIBLE_TEXT_ENABLE 0x01 -#define NV_PCRTC_REPAINT1_COMPATIBLE_TEXT_DISABLE 0x00 -#define NV_PCRTC_REPAINT1_LARGE_SCREEN 2:2 -#define NV_PCRTC_REPAINT1_LARGE_SCREEN_DISABLE 0x01 -#define NV_PCRTC_REPAINT1_LARGE_SCREEN_ENABLE 0x00 /* >=1280 */ -#define NV_PCRTC_REPAINT1_PALETTE_WIDTH 1:1 -#define NV_PCRTC_REPAINT1_PALETTE_WIDTH_8BITS 0x00 -#define NV_PCRTC_REPAINT1_PALETTE_WIDTH_6BITS 0x01 - -#define NV_PCRTC_GRCURSOR0 0x30 -#define NV_PCRTC_GRCURSOR0_START_ADDR_21_16 5:0 - -#define NV_PCRTC_GRCURSOR1 0x31 -#define NV_PCRTC_GRCURSOR1_START_ADDR_15_11 7:3 -#define NV_PCRTC_GRCURSOR1_SCAN_DBL 1:1 -#define NV_PCRTC_GRCURSOR1_SCAN_DBL_DISABLE 0 -#define NV_PCRTC_GRCURSOR1_SCAN_DBL_ENABLE 1 -#define NV_PCRTC_GRCURSOR1_CURSOR 0:0 -#define NV_PCRTC_GRCURSOR1_CURSOR_DISABLE 0 -#define NV_PCRTC_GRCURSOR1_CURSOR_ENABLE 1 - -/* Controls what the format of the framebuffer is */ -#define NV_PCRTC_PIXEL 0x28 -#define NV_PCRTC_PIXEL_MODE 7:7 -#define NV_PCRTC_PIXEL_MODE_TV 0x01 -#define NV_PCRTC_PIXEL_MODE_VGA 0x00 -#define NV_PCRTC_PIXEL_TV_MODE 6:6 -#define NV_PCRTC_PIXEL_TV_MODE_NTSC 0x00 -#define NV_PCRTC_PIXEL_TV_MODE_PAL 0x01 -#define NV_PCRTC_PIXEL_TV_HORIZ_ADJUST 5:3 -#define NV_PCRTC_PIXEL_FORMAT 1:0 -#define NV_PCRTC_PIXEL_FORMAT_VGA 0x00 -#define NV_PCRTC_PIXEL_FORMAT_8BPP 0x01 -#define NV_PCRTC_PIXEL_FORMAT_16BPP 0x02 -#define NV_PCRTC_PIXEL_FORMAT_32BPP 0x03 - -/* RAMDAC registers and fields */ -#define NV_PRAMDAC 0x00680FFF:0x00680000 /* RW--D */ -#define NV_PRAMDAC_GRCURSOR_START_POS 0x00680300 /* RW-4R */ -#define NV_PRAMDAC_GRCURSOR_START_POS_X 11:0 /* RWXSF */ -#define NV_PRAMDAC_GRCURSOR_START_POS_Y 27:16 /* RWXSF */ -#define NV_PRAMDAC_NVPLL_COEFF 0x00680500 /* RW-4R */ -#define NV_PRAMDAC_NVPLL_COEFF_MDIV 7:0 /* RWIUF */ -#define NV_PRAMDAC_NVPLL_COEFF_NDIV 15:8 /* RWIUF */ -#define NV_PRAMDAC_NVPLL_COEFF_PDIV 18:16 /* RWIVF */ -#define NV_PRAMDAC_MPLL_COEFF 0x00680504 /* RW-4R */ -#define NV_PRAMDAC_MPLL_COEFF_MDIV 7:0 /* RWIUF */ -#define NV_PRAMDAC_MPLL_COEFF_NDIV 15:8 /* RWIUF */ -#define NV_PRAMDAC_MPLL_COEFF_PDIV 18:16 /* RWIVF */ -#define NV_PRAMDAC_VPLL_COEFF 0x00680508 /* RW-4R */ -#define NV_PRAMDAC_VPLL_COEFF_MDIV 7:0 /* RWIUF */ -#define NV_PRAMDAC_VPLL_COEFF_NDIV 15:8 /* RWIUF */ -#define NV_PRAMDAC_VPLL_COEFF_PDIV 18:16 /* RWIVF */ -#define NV_PRAMDAC_PLL_COEFF_SELECT 0x0068050C /* RW-4R */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_DLL_BYPASS 4:4 /* RWIVF */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_DLL_BYPASS_FALSE 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_DLL_BYPASS_TRUE 0x00000001 /* RW--V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_MPLL_SOURCE 8:8 /* RWIVF */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_MPLL_SOURCE_DEFAULT 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_MPLL_SOURCE_PROG 0x00000001 /* RW--V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_MPLL_BYPASS 12:12 /* RWIVF */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_MPLL_BYPASS_FALSE 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_MPLL_BYPASS_TRUE 0x00000001 /* RW--V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_VPLL_SOURCE 16:16 /* RWIVF */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_VPLL_SOURCE_DEFAULT 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_VPLL_SOURCE_PROG 0x00000001 /* RW--V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_VPLL_BYPASS 20:20 /* RWIVF */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_VPLL_BYPASS_FALSE 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_VPLL_BYPASS_TRUE 0x00000001 /* RW--V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_PCLK_SOURCE 25:24 /* RWIVF */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_PCLK_SOURCE_VPLL 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_PCLK_SOURCE_VIP 0x00000001 /* RW--V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_PCLK_SOURCE_XTALOSC 0x00000002 /* RW--V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_VCLK_RATIO 28:28 /* RWIVF */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_VCLK_RATIO_DB1 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_PLL_COEFF_SELECT_VCLK_RATIO_DB2 0x00000001 /* RW--V */ -#define NV_PRAMDAC_GENERAL_CONTROL 0x00680600 /* RW-4R */ -#define NV_PRAMDAC_GENERAL_CONTROL_FF_COEFF 1:0 /* RWIVF */ -#define NV_PRAMDAC_GENERAL_CONTROL_FF_COEFF_DEF 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_GENERAL_CONTROL_IDC_MODE 4:4 /* RWIVF */ -#define NV_PRAMDAC_GENERAL_CONTROL_IDC_MODE_GAMMA 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_GENERAL_CONTROL_IDC_MODE_INDEX 0x00000001 /* RW--V */ -#define NV_PRAMDAC_GENERAL_CONTROL_VGA_STATE 8:8 /* RWIVF */ -#define NV_PRAMDAC_GENERAL_CONTROL_VGA_STATE_NOTSE 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_GENERAL_CONTROL_VGA_STATE_SEL 0x00000001 /* RW--V */ -#define NV_PRAMDAC_GENERAL_CONTROL_565_MODE 12:12 /* RWIVF */ -#define NV_PRAMDAC_GENERAL_CONTROL_565_MODE_NOTSEL 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_GENERAL_CONTROL_565_MODE_SEL 0x00000001 /* RW--V */ -#define NV_PRAMDAC_GENERAL_CONTROL_BLK_PEDSTL 16:16 /* RWIVF */ -#define NV_PRAMDAC_GENERAL_CONTROL_BLK_PEDSTL_OFF 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_GENERAL_CONTROL_BLK_PEDSTL_ON 0x00000001 /* RW--V */ -#define NV_PRAMDAC_GENERAL_CONTROL_TERMINATION 17:17 /* RWIVF */ -#define NV_PRAMDAC_GENERAL_CONTROL_TERMINATION_37OHM 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_GENERAL_CONTROL_TERMINATION_75OHM 0x00000001 /* RW--V */ -#define NV_PRAMDAC_GENERAL_CONTROL_BPC 20:20 /* RWIVF */ -#define NV_PRAMDAC_GENERAL_CONTROL_BPC_6BITS 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_GENERAL_CONTROL_BPC_8BITS 0x00000001 /* RW--V */ -#define NV_PRAMDAC_GENERAL_CONTROL_DAC_SLEEP 24:24 /* RWIVF */ -#define NV_PRAMDAC_GENERAL_CONTROL_DAC_SLEEP_DIS 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_GENERAL_CONTROL_DAC_SLEEP_EN 0x00000001 /* RW--V */ -#define NV_PRAMDAC_GENERAL_CONTROL_PALETTE_CLK 28:28 /* RWIVF */ -#define NV_PRAMDAC_GENERAL_CONTROL_PALETTE_CLK_EN 0x00000000 /* RWI-V */ -#define NV_PRAMDAC_GENERAL_CONTROL_PALETTE_CLK_DIS 0x00000001 /* RW--V */ - -/* Master Control */ -#define NV_PMC 0x00000FFF:0x00000000 /* RW--D */ -#define NV_PMC_BOOT_0 0x00000000 /* R--4R */ -#define NV_PMC_BOOT_0_MINOR_REVISION 3:0 /* C--VF */ -#define NV_PMC_BOOT_0_MINOR_REVISION_0 0x00000000 /* C---V */ -#define NV_PMC_BOOT_0_MAJOR_REVISION 7:4 /* C--VF */ -#define NV_PMC_BOOT_0_MAJOR_REVISION_A 0x00000000 /* C---V */ -#define NV_PMC_BOOT_0_MAJOR_REVISION_B 0x00000001 /* ----V */ -#define NV_PMC_BOOT_0_IMPLEMENTATION 11:8 /* C--VF */ -#define NV_PMC_BOOT_0_IMPLEMENTATION_NV4_0 0x00000000 /* C---V */ -#define NV_PMC_BOOT_0_ARCHITECTURE 15:12 /* C--VF */ -#define NV_PMC_BOOT_0_ARCHITECTURE_NV0 0x00000000 /* ----V */ -#define NV_PMC_BOOT_0_ARCHITECTURE_NV1 0x00000001 /* ----V */ -#define NV_PMC_BOOT_0_ARCHITECTURE_NV2 0x00000002 /* ----V */ -#define NV_PMC_BOOT_0_ARCHITECTURE_NV3 0x00000003 /* ----V */ -#define NV_PMC_BOOT_0_ARCHITECTURE_NV4 0x00000004 /* C---V */ -#define NV_PMC_BOOT_0_FIB_REVISION 19:16 /* C--VF */ -#define NV_PMC_BOOT_0_FIB_REVISION_0 0x00000000 /* C---V */ -#define NV_PMC_BOOT_0_MASK_REVISION 23:20 /* C--VF */ -#define NV_PMC_BOOT_0_MASK_REVISION_A 0x00000000 /* C---V */ -#define NV_PMC_BOOT_0_MASK_REVISION_B 0x00000001 /* ----V */ -#define NV_PMC_BOOT_0_MANUFACTURER 27:24 /* C--UF */ -#define NV_PMC_BOOT_0_MANUFACTURER_NVIDIA 0x00000000 /* C---V */ -#define NV_PMC_BOOT_0_FOUNDRY 31:28 /* C--VF */ -#define NV_PMC_BOOT_0_FOUNDRY_SGS 0x00000000 /* ----V */ -#define NV_PMC_BOOT_0_FOUNDRY_HELIOS 0x00000001 /* ----V */ -#define NV_PMC_BOOT_0_FOUNDRY_TSMC 0x00000002 /* C---V */ -#define NV_PMC_INTR_0 0x00000100 /* RW-4R */ -#define NV_PMC_INTR_0_PMEDIA 4:4 /* R--VF */ -#define NV_PMC_INTR_0_PMEDIA_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PMC_INTR_0_PMEDIA_PENDING 0x00000001 /* R---V */ -#define NV_PMC_INTR_0_PFIFO 8:8 /* R--VF */ -#define NV_PMC_INTR_0_PFIFO_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PMC_INTR_0_PFIFO_PENDING 0x00000001 /* R---V */ -#define NV_PMC_INTR_0_PGRAPH 12:12 /* R--VF */ -#define NV_PMC_INTR_0_PGRAPH_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PMC_INTR_0_PGRAPH_PENDING 0x00000001 /* R---V */ -#define NV_PMC_INTR_0_PVIDEO 16:16 /* R--VF */ -#define NV_PMC_INTR_0_PVIDEO_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PMC_INTR_0_PVIDEO_PENDING 0x00000001 /* R---V */ -#define NV_PMC_INTR_0_PTIMER 20:20 /* R--VF */ -#define NV_PMC_INTR_0_PTIMER_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PMC_INTR_0_PTIMER_PENDING 0x00000001 /* R---V */ -#define NV_PMC_INTR_0_PCRTC 24:24 /* R--VF */ -#define NV_PMC_INTR_0_PCRTC_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PMC_INTR_0_PCRTC_PENDING 0x00000001 /* R---V */ -#define NV_PMC_INTR_0_PBUS 28:28 /* R--VF */ -#define NV_PMC_INTR_0_PBUS_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PMC_INTR_0_PBUS_PENDING 0x00000001 /* R---V */ -#define NV_PMC_INTR_0_SOFTWARE 31:31 /* RWIVF */ -#define NV_PMC_INTR_0_SOFTWARE_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PMC_INTR_0_SOFTWARE_PENDING 0x00000001 /* RW--V */ -#define NV_PMC_INTR_EN_0 0x00000140 /* RW-4R */ -#define NV_PMC_INTR_EN_0_INTA 1:0 /* RWIVF */ -#define NV_PMC_INTR_EN_0_INTA_DISABLED 0x00000000 /* RWI-V */ -#define NV_PMC_INTR_EN_0_INTA_HARDWARE 0x00000001 /* RW--V */ -#define NV_PMC_INTR_EN_0_INTA_SOFTWARE 0x00000002 /* RW--V */ -#define NV_PMC_INTR_READ_0 0x00000160 /* R--4R */ -#define NV_PMC_INTR_READ_0_INTA 0:0 /* R--VF */ -#define NV_PMC_INTR_READ_0_INTA_LOW 0x00000000 /* R---V */ -#define NV_PMC_INTR_READ_0_INTA_HIGH 0x00000001 /* R---V */ -#define NV_PMC_ENABLE 0x00000200 /* RW-4R */ -#define NV_PMC_ENABLE_PMEDIA 4:4 /* RWIVF */ -#define NV_PMC_ENABLE_PMEDIA_DISABLED 0x00000000 /* RWI-V */ -#define NV_PMC_ENABLE_PMEDIA_ENABLED 0x00000001 /* RW--V */ -#define NV_PMC_ENABLE_PFIFO 8:8 /* RWIVF */ -#define NV_PMC_ENABLE_PFIFO_DISABLED 0x00000000 /* RWI-V */ -#define NV_PMC_ENABLE_PFIFO_ENABLED 0x00000001 /* RW--V */ -#define NV_PMC_ENABLE_PGRAPH 12:12 /* RWIVF */ -#define NV_PMC_ENABLE_PGRAPH_DISABLED 0x00000000 /* RWI-V */ -#define NV_PMC_ENABLE_PGRAPH_ENABLED 0x00000001 /* RW--V */ -#define NV_PMC_ENABLE_PPMI 16:16 /* RWIVF */ -#define NV_PMC_ENABLE_PPMI_DISABLED 0x00000000 /* RWI-V */ -#define NV_PMC_ENABLE_PPMI_ENABLED 0x00000001 /* RW--V */ -#define NV_PMC_ENABLE_PFB 20:20 /* RWIVF */ -#define NV_PMC_ENABLE_PFB_DISABLED 0x00000000 /* RW--V */ -#define NV_PMC_ENABLE_PFB_ENABLED 0x00000001 /* RWI-V */ -#define NV_PMC_ENABLE_PCRTC 24:24 /* RWIVF */ -#define NV_PMC_ENABLE_PCRTC_DISABLED 0x00000000 /* RW--V */ -#define NV_PMC_ENABLE_PCRTC_ENABLED 0x00000001 /* RWI-V */ -#define NV_PMC_ENABLE_PVIDEO 28:28 /* RWIVF */ -#define NV_PMC_ENABLE_PVIDEO_DISABLED 0x00000000 /* RWI-V */ -#define NV_PMC_ENABLE_PVIDEO_ENABLED 0x00000001 /* RW--V */ - -/* dev_timer.ref */ -#define NV_PTIMER 0x00009FFF:0x00009000 /* RW--D */ -#define NV_PTIMER_INTR_0 0x00009100 /* RW-4R */ -#define NV_PTIMER_INTR_0_ALARM 0:0 /* RWXVF */ -#define NV_PTIMER_INTR_0_ALARM_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PTIMER_INTR_0_ALARM_PENDING 0x00000001 /* R---V */ -#define NV_PTIMER_INTR_0_ALARM_RESET 0x00000001 /* -W--V */ -#define NV_PTIMER_INTR_EN_0 0x00009140 /* RW-4R */ -#define NV_PTIMER_INTR_EN_0_ALARM 0:0 /* RWIVF */ -#define NV_PTIMER_INTR_EN_0_ALARM_DISABLED 0x00000000 /* RWI-V */ -#define NV_PTIMER_INTR_EN_0_ALARM_ENABLED 0x00000001 /* RW--V */ -#define NV_PTIMER_NUMERATOR 0x00009200 /* RW-4R */ -#define NV_PTIMER_NUMERATOR_VALUE 15:0 /* RWIUF */ -#define NV_PTIMER_NUMERATOR_VALUE_0 0x00000000 /* RWI-V */ -#define NV_PTIMER_DENOMINATOR 0x00009210 /* RW-4R */ -#define NV_PTIMER_DENOMINATOR_VALUE 15:0 /* RWIUF */ -#define NV_PTIMER_DENOMINATOR_VALUE_0 0x00000000 /* RWI-V */ -#define NV_PTIMER_TIME_0 0x00009400 /* RW-4R */ -#define NV_PTIMER_TIME_0_NSEC 31:5 /* RWXUF */ -#define NV_PTIMER_TIME_1 0x00009410 /* RW-4R */ -#define NV_PTIMER_TIME_1_NSEC 28:0 /* RWXUF */ -#define NV_PTIMER_ALARM_0 0x00009420 /* RW-4R */ -#define NV_PTIMER_ALARM_0_NSEC 31:5 /* RWXUF */ - -/* dev_fifo.ref */ -#define NV_PFIFO 0x00003FFF:0x00002000 /* RW--D */ -#define NV_PFIFO_DELAY_0 0x00002040 /* RW-4R */ -#define NV_PFIFO_DELAY_0_WAIT_RETRY 9:0 /* RWIUF */ -#define NV_PFIFO_DELAY_0_WAIT_RETRY_0 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_TIMESLICE 0x00002044 /* RW-4R */ -#define NV_PFIFO_DMA_TIMESLICE_SELECT 16:0 /* RWIUF */ -#define NV_PFIFO_DMA_TIMESLICE_SELECT_1 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_TIMESLICE_SELECT_16K 0x00003fff /* RW--V */ -#define NV_PFIFO_DMA_TIMESLICE_SELECT_32K 0x00007fff /* RW--V */ -#define NV_PFIFO_DMA_TIMESLICE_SELECT_64K 0x0000ffff /* RW--V */ -#define NV_PFIFO_DMA_TIMESLICE_SELECT_128K 0x0001ffff /* RW--V */ -#define NV_PFIFO_DMA_TIMESLICE_TIMEOUT 24:24 /* RWIUF */ -#define NV_PFIFO_DMA_TIMESLICE_TIMEOUT_DISABLED 0x00000000 /* RW--V */ -#define NV_PFIFO_DMA_TIMESLICE_TIMEOUT_ENABLED 0x00000001 /* RWI-V */ -#define NV_PFIFO_PIO_TIMESLICE 0x00002048 /* RW-4R */ -#define NV_PFIFO_PIO_TIMESLICE_SELECT 16:0 /* RWIUF */ -#define NV_PFIFO_PIO_TIMESLICE_SELECT_1 0x00000000 /* RWI-V */ -#define NV_PFIFO_PIO_TIMESLICE_SELECT_16K 0x00003fff /* RW--V */ -#define NV_PFIFO_PIO_TIMESLICE_SELECT_32K 0x00007fff /* RW--V */ -#define NV_PFIFO_PIO_TIMESLICE_SELECT_64K 0x0000ffff /* RW--V */ -#define NV_PFIFO_PIO_TIMESLICE_SELECT_128K 0x0001ffff /* RW--V */ -#define NV_PFIFO_PIO_TIMESLICE_TIMEOUT 24:24 /* RWIUF */ -#define NV_PFIFO_PIO_TIMESLICE_TIMEOUT_DISABLED 0x00000000 /* RW--V */ -#define NV_PFIFO_PIO_TIMESLICE_TIMEOUT_ENABLED 0x00000001 /* RWI-V */ -#define NV_PFIFO_TIMESLICE 0x0000204C /* RW-4R */ -#define NV_PFIFO_TIMESLICE_TIMER 17:0 /* RWIUF */ -#define NV_PFIFO_TIMESLICE_TIMER_EXPIRED 0x0003FFFF /* RWI-V */ -#define NV_PFIFO_NEXT_CHANNEL 0x00002050 /* RW-4R */ -#define NV_PFIFO_NEXT_CHANNEL_CHID 3:0 /* RWXUF */ -#define NV_PFIFO_NEXT_CHANNEL_MODE 8:8 /* RWXVF */ -#define NV_PFIFO_NEXT_CHANNEL_MODE_PIO 0x00000000 /* RW--V */ -#define NV_PFIFO_NEXT_CHANNEL_MODE_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_NEXT_CHANNEL_SWITCH 12:12 /* RWIVF */ -#define NV_PFIFO_NEXT_CHANNEL_SWITCH_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_NEXT_CHANNEL_SWITCH_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DEBUG_0 0x00002080 /* R--4R */ -#define NV_PFIFO_DEBUG_0_CACHE_ERROR0 0:0 /* R-XVF */ -#define NV_PFIFO_DEBUG_0_CACHE_ERROR0_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PFIFO_DEBUG_0_CACHE_ERROR0_PENDING 0x00000001 /* R---V */ -#define NV_PFIFO_DEBUG_0_CACHE_ERROR1 4:4 /* R-XVF */ -#define NV_PFIFO_DEBUG_0_CACHE_ERROR1_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PFIFO_DEBUG_0_CACHE_ERROR1_PENDING 0x00000001 /* R---V */ -#define NV_PFIFO_INTR_0 0x00002100 /* RW-4R */ -#define NV_PFIFO_INTR_0_CACHE_ERROR 0:0 /* RWXVF */ -#define NV_PFIFO_INTR_0_CACHE_ERROR_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PFIFO_INTR_0_CACHE_ERROR_PENDING 0x00000001 /* R---V */ -#define NV_PFIFO_INTR_0_CACHE_ERROR_RESET 0x00000001 /* -W--V */ -#define NV_PFIFO_INTR_0_RUNOUT 4:4 /* RWXVF */ -#define NV_PFIFO_INTR_0_RUNOUT_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PFIFO_INTR_0_RUNOUT_PENDING 0x00000001 /* R---V */ -#define NV_PFIFO_INTR_0_RUNOUT_RESET 0x00000001 /* -W--V */ -#define NV_PFIFO_INTR_0_RUNOUT_OVERFLOW 8:8 /* RWXVF */ -#define NV_PFIFO_INTR_0_RUNOUT_OVERFLOW_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PFIFO_INTR_0_RUNOUT_OVERFLOW_PENDING 0x00000001 /* R---V */ -#define NV_PFIFO_INTR_0_RUNOUT_OVERFLOW_RESET 0x00000001 /* -W--V */ -#define NV_PFIFO_INTR_0_DMA_PUSHER 12:12 /* RWXVF */ -#define NV_PFIFO_INTR_0_DMA_PUSHER_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PFIFO_INTR_0_DMA_PUSHER_PENDING 0x00000001 /* R---V */ -#define NV_PFIFO_INTR_0_DMA_PUSHER_RESET 0x00000001 /* -W--V */ -#define NV_PFIFO_INTR_0_DMA_PT 16:16 /* RWXVF */ -#define NV_PFIFO_INTR_0_DMA_PT_NOT_PENDING 0x00000000 /* R---V */ -#define NV_PFIFO_INTR_0_DMA_PT_PENDING 0x00000001 /* R---V */ -#define NV_PFIFO_INTR_0_DMA_PT_RESET 0x00000001 /* -W--V */ -#define NV_PFIFO_INTR_EN_0 0x00002140 /* RW-4R */ -#define NV_PFIFO_INTR_EN_0_CACHE_ERROR 0:0 /* RWIVF */ -#define NV_PFIFO_INTR_EN_0_CACHE_ERROR_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_INTR_EN_0_CACHE_ERROR_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_INTR_EN_0_RUNOUT 4:4 /* RWIVF */ -#define NV_PFIFO_INTR_EN_0_RUNOUT_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_INTR_EN_0_RUNOUT_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_INTR_EN_0_RUNOUT_OVERFLOW 8:8 /* RWIVF */ -#define NV_PFIFO_INTR_EN_0_RUNOUT_OVERFLOW_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_INTR_EN_0_RUNOUT_OVERFLOW_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_INTR_EN_0_DMA_PUSHER 12:12 /* RWIVF */ -#define NV_PFIFO_INTR_EN_0_DMA_PUSHER_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_INTR_EN_0_DMA_PUSHER_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_INTR_EN_0_DMA_PT 16:16 /* RWIVF */ -#define NV_PFIFO_INTR_EN_0_DMA_PT_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_INTR_EN_0_DMA_PT_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_RAMHT 0x00002210 /* RW-4R */ -#define NV_PFIFO_RAMHT_BASE_ADDRESS 8:4 /* RWIUF */ -#define NV_PFIFO_RAMHT_BASE_ADDRESS_10000 0x00000010 /* RWI-V */ -#define NV_PFIFO_RAMHT_SIZE 17:16 /* RWIUF */ -#define NV_PFIFO_RAMHT_SIZE_4K 0x00000000 /* RWI-V */ -#define NV_PFIFO_RAMHT_SIZE_8K 0x00000001 /* RW--V */ -#define NV_PFIFO_RAMHT_SIZE_16K 0x00000002 /* RW--V */ -#define NV_PFIFO_RAMHT_SIZE_32K 0x00000003 /* RW--V */ -#define NV_PFIFO_RAMHT_SEARCH 25:24 /* RWIUF */ -#define NV_PFIFO_RAMHT_SEARCH_16 0x00000000 /* RWI-V */ -#define NV_PFIFO_RAMHT_SEARCH_32 0x00000001 /* RW--V */ -#define NV_PFIFO_RAMHT_SEARCH_64 0x00000002 /* RW--V */ -#define NV_PFIFO_RAMHT_SEARCH_128 0x00000003 /* RW--V */ -#define NV_PFIFO_RAMFC 0x00002214 /* RW-4R */ -#define NV_PFIFO_RAMFC_BASE_ADDRESS 8:1 /* RWIUF */ -#define NV_PFIFO_RAMFC_BASE_ADDRESS_11000 0x00000088 /* RWI-V */ -#define NV_PFIFO_RAMRO 0x00002218 /* RW-4R */ -#define NV_PFIFO_RAMRO_BASE_ADDRESS 8:1 /* RWIUF */ -#define NV_PFIFO_RAMRO_BASE_ADDRESS_11200 0x00000089 /* RWI-V */ -#define NV_PFIFO_RAMRO_BASE_ADDRESS_12000 0x00000090 /* RW--V */ -#define NV_PFIFO_RAMRO_SIZE 16:16 /* RWIVF */ -#define NV_PFIFO_RAMRO_SIZE_512 0x00000000 /* RWI-V */ -#define NV_PFIFO_RAMRO_SIZE_8K 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHES 0x00002500 /* RW-4R */ -#define NV_PFIFO_CACHES_REASSIGN 0:0 /* RWIVF */ -#define NV_PFIFO_CACHES_REASSIGN_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHES_REASSIGN_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHES_DMA_SUSPEND 4:4 /* R--VF */ -#define NV_PFIFO_CACHES_DMA_SUSPEND_IDLE 0x00000000 /* R---V */ -#define NV_PFIFO_CACHES_DMA_SUSPEND_BUSY 0x00000001 /* R---V */ -#define NV_PFIFO_MODE 0x00002504 /* RW-4R */ -#define NV_PFIFO_MODE_CHANNEL_0 0:0 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_0_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_0_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_1 1:1 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_1_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_1_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_2 2:2 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_2_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_2_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_3 3:3 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_3_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_3_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_4 4:4 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_4_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_4_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_5 5:5 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_5_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_5_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_6 6:6 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_6_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_6_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_7 7:7 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_7_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_7_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_8 8:8 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_8_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_8_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_9 9:9 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_9_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_9_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_10 10:10 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_10_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_10_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_11 11:11 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_11_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_11_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_12 12:12 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_12_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_12_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_13 13:13 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_13_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_13_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_14 14:14 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_14_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_14_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_MODE_CHANNEL_15 15:15 /* RWIVF */ -#define NV_PFIFO_MODE_CHANNEL_15_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_MODE_CHANNEL_15_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA 0x00002508 /* RW-4R */ -#define NV_PFIFO_DMA_CHANNEL_0 0:0 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_0_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_0_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_1 1:1 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_1_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_1_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_2 2:2 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_2_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_2_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_3 3:3 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_3_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_3_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_4 4:4 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_4_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_4_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_5 5:5 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_5_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_5_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_6 6:6 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_6_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_6_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_7 7:7 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_7_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_7_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_8 8:8 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_8_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_8_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_9 9:9 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_9_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_9_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_10 10:10 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_10_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_10_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_11 11:11 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_11_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_11_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_12 12:12 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_12_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_12_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_13 13:13 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_13_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_13_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_14 14:14 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_14_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_14_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_DMA_CHANNEL_15 15:15 /* RWIVF */ -#define NV_PFIFO_DMA_CHANNEL_15_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PFIFO_DMA_CHANNEL_15_PENDING 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE 0x0000250C /* RW-4R */ -#define NV_PFIFO_SIZE_CHANNEL_0 0:0 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_0_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_0_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_1 1:1 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_1_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_1_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_2 2:2 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_2_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_2_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_3 3:3 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_3_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_3_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_4 4:4 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_4_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_4_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_5 5:5 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_5_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_5_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_6 6:6 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_6_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_6_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_7 7:7 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_7_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_7_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_8 8:8 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_8_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_8_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_9 9:9 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_9_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_9_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_10 10:10 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_10_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_10_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_11 11:11 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_11_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_11_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_12 12:12 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_12_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_12_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_13 13:13 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_13_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_13_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_14 14:14 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_14_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_14_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_SIZE_CHANNEL_15 15:15 /* RWIVF */ -#define NV_PFIFO_SIZE_CHANNEL_15_124_BYTES 0x00000000 /* RWI-V */ -#define NV_PFIFO_SIZE_CHANNEL_15_512_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_PUSH0 0x00003000 /* RW-4R */ -#define NV_PFIFO_CACHE0_PUSH0_ACCESS 0:0 /* RWIVF */ -#define NV_PFIFO_CACHE0_PUSH0_ACCESS_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHE0_PUSH0_ACCESS_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_PUSH0 0x00003200 /* RW-4R */ -#define NV_PFIFO_CACHE1_PUSH0_ACCESS 0:0 /* RWIVF */ -#define NV_PFIFO_CACHE1_PUSH0_ACCESS_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHE1_PUSH0_ACCESS_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_PUSH1 0x00003004 /* RW-4R */ -#define NV_PFIFO_CACHE0_PUSH1_CHID 3:0 /* RWXUF */ -#define NV_PFIFO_CACHE1_PUSH1 0x00003204 /* RW-4R */ -#define NV_PFIFO_CACHE1_PUSH1_CHID 3:0 /* RWXUF */ -#define NV_PFIFO_CACHE1_PUSH1_MODE 8:8 /* RWIVF */ -#define NV_PFIFO_CACHE1_PUSH1_MODE_PIO 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHE1_PUSH1_MODE_DMA 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_PUSH 0x00003220 /* RW-4R */ -#define NV_PFIFO_CACHE1_DMA_PUSH_ACCESS 0:0 /* RWIVF */ -#define NV_PFIFO_CACHE1_DMA_PUSH_ACCESS_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHE1_DMA_PUSH_ACCESS_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_PUSH_STATE 4:4 /* R--VF */ -#define NV_PFIFO_CACHE1_DMA_PUSH_STATE_IDLE 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE1_DMA_PUSH_STATE_BUSY 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE1_DMA_PUSH_BUFFER 8:8 /* R--VF */ -#define NV_PFIFO_CACHE1_DMA_PUSH_BUFFER_NOT_EMPTY 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE1_DMA_PUSH_BUFFER_EMPTY 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE1_DMA_PUSH_STATUS 12:12 /* RWIVF */ -#define NV_PFIFO_CACHE1_DMA_PUSH_STATUS_RUNNING 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHE1_DMA_PUSH_STATUS_SUSPENDED 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH 0x00003224 /* RW-4R */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG 7:3 /* RWIUF */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_8_BYTES 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_16_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_24_BYTES 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_32_BYTES 0x00000003 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_40_BYTES 0x00000004 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_48_BYTES 0x00000005 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_56_BYTES 0x00000006 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_64_BYTES 0x00000007 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_72_BYTES 0x00000008 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_80_BYTES 0x00000009 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_88_BYTES 0x0000000A /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_96_BYTES 0x0000000B /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_104_BYTES 0x0000000C /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_112_BYTES 0x0000000D /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_120_BYTES 0x0000000E /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES 0x0000000F /* RWI-V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_136_BYTES 0x00000010 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_144_BYTES 0x00000011 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_152_BYTES 0x00000012 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_160_BYTES 0x00000013 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_168_BYTES 0x00000014 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_176_BYTES 0x00000015 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_184_BYTES 0x00000016 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_192_BYTES 0x00000017 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_200_BYTES 0x00000018 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_208_BYTES 0x00000019 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_216_BYTES 0x0000001A /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_224_BYTES 0x0000001B /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_232_BYTES 0x0000001C /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_240_BYTES 0x0000001D /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_248_BYTES 0x0000001E /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_TRIG_256_BYTES 0x0000001F /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_SIZE 15:13 /* RWIUF */ -#define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_32_BYTES 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_64_BYTES 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_96_BYTES 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES 0x00000003 /* RWI-V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_160_BYTES 0x00000004 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_192_BYTES 0x00000005 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_224_BYTES 0x00000006 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_SIZE_256_BYTES 0x00000007 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS 19:16 /* RWIUF */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_0 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_1 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_2 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_3 0x00000003 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_4 0x00000004 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_5 0x00000005 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_6 0x00000006 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_7 0x00000007 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8 0x00000008 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_9 0x00000009 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_10 0x0000000A /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_11 0x0000000B /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_12 0x0000000C /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_13 0x0000000D /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_14 0x0000000E /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_15 0x0000000F /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_PUT 0x00003240 /* RW-4R */ -#define NV_PFIFO_CACHE1_DMA_PUT_OFFSET 28:2 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_GET 0x00003244 /* RW-4R */ -#define NV_PFIFO_CACHE1_DMA_GET_OFFSET 28:2 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_STATE 0x00003228 /* RW-4R */ -#define NV_PFIFO_CACHE1_DMA_STATE_METHOD 12:2 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_STATE_SUBCHANNEL 15:13 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_STATE_METHOD_COUNT 28:18 /* RWIUF */ -#define NV_PFIFO_CACHE1_DMA_STATE_METHOD_COUNT_0 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHE1_DMA_STATE_ERROR 31:30 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_STATE_ERROR_NONE 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_STATE_ERROR_NON_CACHE 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_STATE_ERROR_RESERVED_CMD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_STATE_ERROR_PROTECTION 0x00000003 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_INSTANCE 0x0000322C /* RW-4R */ -#define NV_PFIFO_CACHE1_DMA_INSTANCE_ADDRESS 15:0 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_CTL 0x00003230 /* RW-4R */ -#define NV_PFIFO_CACHE1_DMA_CTL_ADJUST 11:2 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_CTL_PAGE_TABLE 12:12 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_CTL_PAGE_TABLE_NOT_PRESENT 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_CTL_PAGE_TABLE_PRESENT 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_CTL_PAGE_ENTRY 13:13 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_CTL_PAGE_ENTRY_NOT_LINEAR 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_CTL_PAGE_ENTRY_LINEAR 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_CTL_TARGET_NODE 17:16 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_CTL_TARGET_NODE_PCI 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_CTL_TARGET_NODE_AGP 0x00000003 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_CTL_AT_INFO 31:31 /* RWIUF */ -#define NV_PFIFO_CACHE1_DMA_CTL_AT_INFO_INVALID 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_CTL_AT_INFO_VALID 0x00000001 /* RWI-V */ -#define NV_PFIFO_CACHE1_DMA_LIMIT 0x00003234 /* RW-4R */ -#define NV_PFIFO_CACHE1_DMA_LIMIT_OFFSET 28:2 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_TLB_TAG 0x00003238 /* RW-4R */ -#define NV_PFIFO_CACHE1_DMA_TLB_TAG_ADDRESS 28:12 /* RWXUF */ -#define NV_PFIFO_CACHE1_DMA_TLB_TAG_STATE 0:0 /* RWIUF */ -#define NV_PFIFO_CACHE1_DMA_TLB_TAG_STATE_INVALID 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHE1_DMA_TLB_TAG_STATE_VALID 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_DMA_TLB_PTE 0x0000323C /* RW-4R */ -#define NV_PFIFO_CACHE1_DMA_TLB_PTE_FRAME_ADDRESS 31:12 /* RWXUF */ -#define NV_PFIFO_CACHE0_PULL0 0x00003050 /* RW-4R */ -#define NV_PFIFO_CACHE0_PULL0_ACCESS 0:0 /* RWIVF */ -#define NV_PFIFO_CACHE0_PULL0_ACCESS_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHE0_PULL0_ACCESS_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_PULL0_HASH 4:4 /* R-XVF */ -#define NV_PFIFO_CACHE0_PULL0_HASH_SUCCEEDED 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE0_PULL0_HASH_FAILED 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE0_PULL0_DEVICE 8:8 /* R-XVF */ -#define NV_PFIFO_CACHE0_PULL0_DEVICE_HARDWARE 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE0_PULL0_DEVICE_SOFTWARE 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE0_PULL0_HASH_STATE 12:12 /* R-XVF */ -#define NV_PFIFO_CACHE0_PULL0_HASH_STATE_IDLE 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE0_PULL0_HASH_STATE_BUSY 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE1_PULL0 0x00003250 /* RW-4R */ -#define NV_PFIFO_CACHE1_PULL0_ACCESS 0:0 /* RWIVF */ -#define NV_PFIFO_CACHE1_PULL0_ACCESS_DISABLED 0x00000000 /* RWI-V */ -#define NV_PFIFO_CACHE1_PULL0_ACCESS_ENABLED 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_PULL0_HASH 4:4 /* R-XVF */ -#define NV_PFIFO_CACHE1_PULL0_HASH_SUCCEEDED 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE1_PULL0_HASH_FAILED 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE1_PULL0_DEVICE 8:8 /* R-XVF */ -#define NV_PFIFO_CACHE1_PULL0_DEVICE_HARDWARE 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE1_PULL0_DEVICE_SOFTWARE 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE1_PULL0_HASH_STATE 12:12 /* R-XVF */ -#define NV_PFIFO_CACHE1_PULL0_HASH_STATE_IDLE 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE1_PULL0_HASH_STATE_BUSY 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE0_PULL1 0x00003054 /* RW-4R */ -#define NV_PFIFO_CACHE0_PULL1_ENGINE 1:0 /* RWXUF */ -#define NV_PFIFO_CACHE0_PULL1_ENGINE_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE0_PULL1_ENGINE_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_PULL1_ENGINE_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_PULL1 0x00003254 /* RW-4R */ -#define NV_PFIFO_CACHE1_PULL1_ENGINE 1:0 /* RWXUF */ -#define NV_PFIFO_CACHE1_PULL1_ENGINE_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_PULL1_ENGINE_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_PULL1_ENGINE_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE0_HASH 0x00003058 /* RW-4R */ -#define NV_PFIFO_CACHE0_HASH_INSTANCE 15:0 /* RWXUF */ -#define NV_PFIFO_CACHE0_HASH_VALID 16:16 /* RWXVF */ -#define NV_PFIFO_CACHE1_HASH 0x00003258 /* RW-4R */ -#define NV_PFIFO_CACHE1_HASH_INSTANCE 15:0 /* RWXUF */ -#define NV_PFIFO_CACHE1_HASH_VALID 16:16 /* RWXVF */ -#define NV_PFIFO_CACHE0_STATUS 0x00003014 /* R--4R */ -#define NV_PFIFO_CACHE0_STATUS_LOW_MARK 4:4 /* R--VF */ -#define NV_PFIFO_CACHE0_STATUS_LOW_MARK_NOT_EMPTY 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE0_STATUS_LOW_MARK_EMPTY 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE0_STATUS_HIGH_MARK 8:8 /* R--VF */ -#define NV_PFIFO_CACHE0_STATUS_HIGH_MARK_NOT_FULL 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE0_STATUS_HIGH_MARK_FULL 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE1_STATUS 0x00003214 /* R--4R */ -#define NV_PFIFO_CACHE1_STATUS_LOW_MARK 4:4 /* R--VF */ -#define NV_PFIFO_CACHE1_STATUS_LOW_MARK_NOT_EMPTY 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE1_STATUS_LOW_MARK_EMPTY 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE1_STATUS_HIGH_MARK 8:8 /* R--VF */ -#define NV_PFIFO_CACHE1_STATUS_HIGH_MARK_NOT_FULL 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE1_STATUS_HIGH_MARK_FULL 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE1_STATUS1 0x00003218 /* R--4R */ -#define NV_PFIFO_CACHE1_STATUS1_RANOUT 0:0 /* R-XVF */ -#define NV_PFIFO_CACHE1_STATUS1_RANOUT_FALSE 0x00000000 /* R---V */ -#define NV_PFIFO_CACHE1_STATUS1_RANOUT_TRUE 0x00000001 /* R---V */ -#define NV_PFIFO_CACHE0_PUT 0x00003010 /* RW-4R */ -#define NV_PFIFO_CACHE0_PUT_ADDRESS 2:2 /* RWXUF */ -#define NV_PFIFO_CACHE1_PUT 0x00003210 /* RW-4R */ -#define NV_PFIFO_CACHE1_PUT_ADDRESS 9:2 /* RWXUF */ -#define NV_PFIFO_CACHE0_GET 0x00003070 /* RW-4R */ -#define NV_PFIFO_CACHE0_GET_ADDRESS 2:2 /* RWXUF */ -#define NV_PFIFO_CACHE1_GET 0x00003270 /* RW-4R */ -#define NV_PFIFO_CACHE1_GET_ADDRESS 9:2 /* RWXUF */ -#define NV_PFIFO_CACHE0_ENGINE 0x00003080 /* RW-4R */ -#define NV_PFIFO_CACHE0_ENGINE_0 1:0 /* RWXUF */ -#define NV_PFIFO_CACHE0_ENGINE_0_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_0_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_0_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_1 5:4 /* RWXUF */ -#define NV_PFIFO_CACHE0_ENGINE_1_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_1_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_1_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_2 9:8 /* RWXUF */ -#define NV_PFIFO_CACHE0_ENGINE_2_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_2_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_2_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_3 13:12 /* RWXUF */ -#define NV_PFIFO_CACHE0_ENGINE_3_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_3_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_3_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_4 17:16 /* RWXUF */ -#define NV_PFIFO_CACHE0_ENGINE_4_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_4_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_4_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_5 21:20 /* RWXUF */ -#define NV_PFIFO_CACHE0_ENGINE_5_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_5_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_5_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_6 25:24 /* RWXUF */ -#define NV_PFIFO_CACHE0_ENGINE_6_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_6_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_6_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_7 29:28 /* RWXUF */ -#define NV_PFIFO_CACHE0_ENGINE_7_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_7_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE0_ENGINE_7_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE 0x00003280 /* RW-4R */ -#define NV_PFIFO_CACHE1_ENGINE_0 1:0 /* RWXUF */ -#define NV_PFIFO_CACHE1_ENGINE_0_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_0_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_0_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_1 5:4 /* RWXUF */ -#define NV_PFIFO_CACHE1_ENGINE_1_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_1_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_1_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_2 9:8 /* RWXUF */ -#define NV_PFIFO_CACHE1_ENGINE_2_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_2_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_2_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_3 13:12 /* RWXUF */ -#define NV_PFIFO_CACHE1_ENGINE_3_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_3_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_3_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_4 17:16 /* RWXUF */ -#define NV_PFIFO_CACHE1_ENGINE_4_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_4_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_4_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_5 21:20 /* RWXUF */ -#define NV_PFIFO_CACHE1_ENGINE_5_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_5_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_5_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_6 25:24 /* RWXUF */ -#define NV_PFIFO_CACHE1_ENGINE_6_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_6_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_6_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_7 29:28 /* RWXUF */ -#define NV_PFIFO_CACHE1_ENGINE_7_SW 0x00000000 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_7_GRAPHICS 0x00000001 /* RW--V */ -#define NV_PFIFO_CACHE1_ENGINE_7_DVD 0x00000002 /* RW--V */ -#define NV_PFIFO_CACHE0_METHOD(i) (0x00003100+(i)*8) /* RW-4A */ -#define NV_PFIFO_CACHE0_METHOD__SIZE_1 1 /* */ -#define NV_PFIFO_CACHE0_METHOD_ADDRESS 12:2 /* RWXUF */ -#define NV_PFIFO_CACHE0_METHOD_SUBCHANNEL 15:13 /* RWXUF */ -#define NV_PFIFO_CACHE1_METHOD(i) (0x00003800+(i)*8) /* RW-4A */ -#define NV_PFIFO_CACHE1_METHOD__SIZE_1 128 /* */ -#define NV_PFIFO_CACHE1_METHOD_ADDRESS 12:2 /* RWXUF */ -#define NV_PFIFO_CACHE1_METHOD_SUBCHANNEL 15:13 /* RWXUF */ -#define NV_PFIFO_CACHE1_METHOD_ALIAS(i) (0x00003C00+(i)*8) /* RW-4A */ -#define NV_PFIFO_CACHE1_METHOD_ALIAS__SIZE_1 128 /* */ -#define NV_PFIFO_CACHE0_DATA(i) (0x00003104+(i)*8) /* RW-4A */ -#define NV_PFIFO_CACHE0_DATA__SIZE_1 1 /* */ -#define NV_PFIFO_CACHE0_DATA_VALUE 31:0 /* RWXVF */ -#define NV_PFIFO_CACHE1_DATA(i) (0x00003804+(i)*8) /* RW-4A */ -#define NV_PFIFO_CACHE1_DATA__SIZE_1 128 /* */ -#define NV_PFIFO_CACHE1_DATA_VALUE 31:0 /* RWXVF */ -#define NV_PFIFO_CACHE1_DATA_ALIAS(i) (0x00003C04+(i)*8) /* RW-4A */ -#define NV_PFIFO_CACHE1_DATA_ALIAS__SIZE_1 128 /* */ -#define NV_PFIFO_DEVICE(i) (0x00002800+(i)*4) /* R--4A */ -#define NV_PFIFO_DEVICE__SIZE_1 128 /* */ -#define NV_PFIFO_DEVICE_CHID 3:0 /* R--UF */ -#define NV_PFIFO_DEVICE_SWITCH 24:24 /* R--VF */ -#define NV_PFIFO_DEVICE_SWITCH_UNAVAILABLE 0x00000000 /* R---V */ -#define NV_PFIFO_DEVICE_SWITCH_AVAILABLE 0x00000001 /* R---V */ -#define NV_PFIFO_RUNOUT_STATUS 0x00002400 /* R--4R */ -#define NV_PFIFO_RUNOUT_STATUS_RANOUT 0:0 /* R--VF */ -#define NV_PFIFO_RUNOUT_STATUS_RANOUT_FALSE 0x00000000 /* R---V */ -#define NV_PFIFO_RUNOUT_STATUS_RANOUT_TRUE 0x00000001 /* R---V */ -#define NV_PFIFO_RUNOUT_STATUS_LOW_MARK 4:4 /* R--VF */ -#define NV_PFIFO_RUNOUT_STATUS_LOW_MARK_NOT_EMPTY 0x00000000 /* R---V */ -#define NV_PFIFO_RUNOUT_STATUS_LOW_MARK_EMPTY 0x00000001 /* R---V */ -#define NV_PFIFO_RUNOUT_STATUS_HIGH_MARK 8:8 /* R--VF */ -#define NV_PFIFO_RUNOUT_STATUS_HIGH_MARK_NOT_FULL 0x00000000 /* R---V */ -#define NV_PFIFO_RUNOUT_STATUS_HIGH_MARK_FULL 0x00000001 /* R---V */ -#define NV_PFIFO_RUNOUT_PUT 0x00002410 /* RW-4R */ -#define NV_PFIFO_RUNOUT_PUT_ADDRESS 12:3 /* RWXUF */ -#define NV_PFIFO_RUNOUT_PUT_ADDRESS__SIZE_0 8:3 /* RWXUF */ -#define NV_PFIFO_RUNOUT_PUT_ADDRESS__SIZE_1 12:3 /* RWXUF */ -#define NV_PFIFO_RUNOUT_GET 0x00002420 /* RW-4R */ -#define NV_PFIFO_RUNOUT_GET_ADDRESS 13:3 /* RWXUF */ -/* dev_graphics.ref */ -#define NV_PGRAPH 0x00401FFF:0x00400000 /* RW--D */ -#define NV_PGRAPH_DEBUG_0 0x00400080 /* RW-4R */ -#define NV_PGRAPH_DEBUG_1 0x00400084 /* RW-4R */ -#define NV_PGRAPH_DEBUG_2 0x00400088 /* RW-4R */ -#define NV_PGRAPH_DEBUG_3 0x0040008C /* RW-4R */ -#define NV_PGRAPH_INTR 0x00400100 /* RW-4R */ -#define NV_PGRAPH_INTR_NOTIFY 0:0 /* RWIVF */ -#define NV_PGRAPH_INTR_NOTIFY_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_INTR_NOTIFY_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_INTR_NOTIFY_RESET 0x00000001 /* -W--C */ -#define NV_PGRAPH_INTR_MISSING_HW 4:4 /* RWIVF */ -#define NV_PGRAPH_INTR_MISSING_HW_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_INTR_MISSING_HW_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_INTR_MISSING_HW_RESET 0x00000001 /* -W--C */ -#define NV_PGRAPH_INTR_TLB_PRESENT_A 8:8 /* RWIVF */ -#define NV_PGRAPH_INTR_TLB_PRESENT_A_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_INTR_TLB_PRESENT_A_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_INTR_TLB_PRESENT_A_RESET 0x00000001 /* -W--C */ -#define NV_PGRAPH_INTR_TLB_PRESENT_B 9:9 /* RWIVF */ -#define NV_PGRAPH_INTR_TLB_PRESENT_B_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_INTR_TLB_PRESENT_B_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_INTR_TLB_PRESENT_B_RESET 0x00000001 /* -W--C */ -#define NV_PGRAPH_INTR_CONTEXT_SWITCH 12:12 /* RWIVF */ -#define NV_PGRAPH_INTR_CONTEXT_SWITCH_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_INTR_CONTEXT_SWITCH_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_INTR_CONTEXT_SWITCH_RESET 0x00000001 /* -W--C */ -#define NV_PGRAPH_INTR_BUFFER_NOTIFY 16:16 /* RWIVF */ -#define NV_PGRAPH_INTR_BUFFER_NOTIFY_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_INTR_BUFFER_NOTIFY_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_INTR_BUFFER_NOTIFY_RESET 0x00000001 /* -W--C */ -#define NV_PGRAPH_NSTATUS 0x00400104 /* RW-4R */ -#define NV_PGRAPH_NSTATUS_STATE_IN_USE 11:11 /* RWIVF */ -#define NV_PGRAPH_NSTATUS_STATE_IN_USE_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PGRAPH_NSTATUS_STATE_IN_USE_PENDING 0x00000001 /* RW--V */ -#define NV_PGRAPH_NSTATUS_INVALID_STATE 12:12 /* RWIVF */ -#define NV_PGRAPH_NSTATUS_INVALID_STATE_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PGRAPH_NSTATUS_INVALID_STATE_PENDING 0x00000001 /* RW--V */ -#define NV_PGRAPH_NSTATUS_BAD_ARGUMENT 13:13 /* RWIVF */ -#define NV_PGRAPH_NSTATUS_BAD_ARGUMENT_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PGRAPH_NSTATUS_BAD_ARGUMENT_PENDING 0x00000001 /* RW--V */ -#define NV_PGRAPH_NSTATUS_PROTECTION_FAULT 14:14 /* RWIVF */ -#define NV_PGRAPH_NSTATUS_PROTECTION_FAULT_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PGRAPH_NSTATUS_PROTECTION_FAULT_PENDING 0x00000001 /* RW--V */ -#define NV_PGRAPH_NSOURCE 0x00400108 /* R--4R */ -#define NV_PGRAPH_NSOURCE_NOTIFICATION 0:0 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_NOTIFICATION_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_NOTIFICATION_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_DATA_ERROR 1:1 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_DATA_ERROR_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_DATA_ERROR_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_PROTECTION_ERROR 2:2 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_PROTECTION_ERROR_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_PROTECTION_ERROR_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_RANGE_EXCEPTION 3:3 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_RANGE_EXCEPTION_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_RANGE_EXCEPTION_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_LIMIT_COLOR 4:4 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_LIMIT_COLOR_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_LIMIT_COLOR_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_LIMIT_ZETA_ 5:5 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_LIMIT_ZETA_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_LIMIT_ZETA_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_ILLEGAL_MTHD 6:6 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_ILLEGAL_MTHD_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_ILLEGAL_MTHD_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_DMA_R_PROTECTION 7:7 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_DMA_R_PROTECTION_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_DMA_R_PROTECTION_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_DMA_W_PROTECTION 8:8 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_DMA_W_PROTECTION_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_DMA_W_PROTECTION_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_FORMAT_EXCEPTION 9:9 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_FORMAT_EXCEPTION_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_FORMAT_EXCEPTION_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_PATCH_EXCEPTION 10:10 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_PATCH_EXCEPTION_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_PATCH_EXCEPTION_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_STATE_INVALID 11:11 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_STATE_INVALID_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_STATE_INVALID_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_DOUBLE_NOTIFY 12:12 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_DOUBLE_NOTIFY_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_DOUBLE_NOTIFY_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_NOTIFY_IN_USE 13:13 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_NOTIFY_IN_USE_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_NOTIFY_IN_USE_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_METHOD_CNT 14:14 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_METHOD_CNT_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_METHOD_CNT_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_NSOURCE_BFR_NOTIFICATION 15:15 /* R-IVF */ -#define NV_PGRAPH_NSOURCE_BFR_NOTIFICATION_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_NSOURCE_BFR_NOTIFICATION_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_INTR_EN 0x00400140 /* RW-4R */ -#define NV_PGRAPH_INTR_EN_NOTIFY 0:0 /* RWIVF */ -#define NV_PGRAPH_INTR_EN_NOTIFY_DISABLED 0x00000000 /* RWI-V */ -#define NV_PGRAPH_INTR_EN_NOTIFY_ENABLED 0x00000001 /* RW--V */ -#define NV_PGRAPH_INTR_EN_MISSING_HW 4:4 /* RWIVF */ -#define NV_PGRAPH_INTR_EN_MISSING_HW_DISABLED 0x00000000 /* RWI-V */ -#define NV_PGRAPH_INTR_EN_MISSING_HW_ENABLED 0x00000001 /* RW--V */ -#define NV_PGRAPH_INTR_EN_TLB_PRESENT_A 8:8 /* RWIVF */ -#define NV_PGRAPH_INTR_EN_TLB_PRESENT_A_DISABLED 0x00000000 /* RWI-V */ -#define NV_PGRAPH_INTR_EN_TLB_PRESENT_A_ENABLED 0x00000001 /* RW--V */ -#define NV_PGRAPH_INTR_EN_TLB_PRESENT_B 9:9 /* RWIVF */ -#define NV_PGRAPH_INTR_EN_TLB_PRESENT_B_DISABLED 0x00000000 /* RWI-V */ -#define NV_PGRAPH_INTR_EN_TLB_PRESENT_B_ENABLED 0x00000001 /* RW--V */ -#define NV_PGRAPH_INTR_EN_CONTEXT_SWITCH 12:12 /* RWIVF */ -#define NV_PGRAPH_INTR_EN_CONTEXT_SWITCH_DISABLED 0x00000000 /* RWI-V */ -#define NV_PGRAPH_INTR_EN_CONTEXT_SWITCH_ENABLED 0x00000001 /* RW--V */ -#define NV_PGRAPH_INTR_EN_BUFFER_NOTIFY 16:16 /* RWIVF */ -#define NV_PGRAPH_INTR_EN_BUFFER_NOTIFY_DISABLED 0x00000000 /* RWI-V */ -#define NV_PGRAPH_INTR_EN_BUFFER_NOTIFY_ENABLED 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1 0x00400160 /* RW-4R */ -#define NV_PGRAPH_CTX_SWITCH1_GRCLASS 7:0 /* RWXVF */ -#define NV_PGRAPH_CTX_SWITCH1_CHROMA_KEY 12:12 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH1_CHROMA_KEY_DISABLE 0x00000000 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_CHROMA_KEY_ENABLE 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_USER_CLIP 13:13 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH1_USER_CLIP_DISABLE 0x00000000 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_USER_CLIP_ENABLE 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_SWIZZLE 14:14 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH1_SWIZZLE_DISABLE 0x00000000 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_SWIZZLE_ENABLE 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_PATCH_CONFIG 17:15 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH1_PATCH_CONFIG_SRCCOPY_AND 0x00000000 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_PATCH_CONFIG_ROP_AND 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_PATCH_CONFIG_BLEND_AND 0x00000002 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_PATCH_CONFIG_SRCCOPY 0x00000003 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_PATCH_CONFIG_SRCCOPY_PRE 0x00000004 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_PATCH_CONFIG_BLEND_PRE 0x00000005 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_PATCH_STATUS 24:24 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH1_PATCH_STATUS_INVALID 0x00000000 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_PATCH_STATUS_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_CONTEXT_SURFACE 25:25 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH1_CONTEXT_SURFACE_INVALID 0x00000000 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_CONTEXT_SURFACE_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH1_VOLATILE_RESET 31:31 /* CWIVF */ -#define NV_PGRAPH_CTX_SWITCH1_VOLATILE_RESET_IGNORE 0x00000000 /* CWI-V */ -#define NV_PGRAPH_CTX_SWITCH1_VOLATILE_RESET_ENABLED 0x00000001 /* -W--T */ -#define NV_PGRAPH_CTX_SWITCH2 0x00400164 /* RW-4R */ -#define NV_PGRAPH_CTX_SWITCH2_MONO_FORMAT 1:0 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH2_MONO_FORMAT_INVALID 0x00 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_MONO_FORMAT_CGA6_M1 0x01 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_MONO_FORMAT_LE_M1 0x02 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT 13:8 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_INVALID 0x00 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_Y8 0x01 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_X16A8Y8 0x02 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_X24Y8 0x03 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_A1R5G5B5 0x06 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_X1R5G5B5 0x07 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_X16A1R5G5B5 0x08 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_X17R5G5B5 0x09 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_R5G6B5 0x0A /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_A16R5G6B5 0x0B /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_X16R5G6B5 0x0C /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_A8R8G8B8 0x0D /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_X8R8G8B8 0x0E /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_Y16 0x0F /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_A16Y16 0x10 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_X16Y16 0x11 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_V8YB8U8YA8 0x12 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_YB8V8YA8U8 0x13 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_COLOR_FORMAT_LE_Y32 0x14 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH2_NOTIFY_INSTANCE 31:16 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH2_NOTIFY_INSTANCE_INVALID 0x0000 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH3 0x00400168 /* RW-4R */ -#define NV_PGRAPH_CTX_SWITCH3_DMA_INSTANCE_0 15:0 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH3_DMA_INSTANCE_0_INVALID 0x0000 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH3_DMA_INSTANCE_1 31:16 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH3_DMA_INSTANCE_1_INVALID 0x0000 /* RW--V */ -#define NV_PGRAPH_CTX_SWITCH4 0x0040016C /* RW-4R */ -#define NV_PGRAPH_CTX_SWITCH4_USER_INSTANCE 15:0 /* RWXUF */ -#define NV_PGRAPH_CTX_SWITCH4_USER_INSTANCE_INVALID 0x0000 /* RW--V */ -#define NV_PGRAPH_CTX_CACHE1(i) (0x00400180+(i)*4) /* RW-4A */ -#define NV_PGRAPH_CTX_CACHE1__SIZE_1 8 /* */ -#define NV_PGRAPH_CTX_CACHE1_GRCLASS 7:0 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE1_CHROMA_KEY 12:12 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE1_USER_CLIP 13:13 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE1_SWIZZLE 14:14 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE1_PATCH_CONFIG 19:15 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE1_SPARE1 20:20 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE1_PATCH_STATUS 24:24 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE1_CONTEXT_SURFACE 25:25 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE2(i) (0x004001a0+(i)*4) /* RW-4A */ -#define NV_PGRAPH_CTX_CACHE2__SIZE_1 8 /* */ -#define NV_PGRAPH_CTX_CACHE2_MONO_FORMAT 1:0 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE2_COLOR_FORMAT 13:8 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE2_NOTIFY_INSTANCE 31:16 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE3(i) (0x004001c0+(i)*4) /* RW-4A */ -#define NV_PGRAPH_CTX_CACHE3__SIZE_1 8 /* */ -#define NV_PGRAPH_CTX_CACHE3_DMA_INSTANCE_0 15:0 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE3_DMA_INSTANCE_1 31:16 /* RWXVF */ -#define NV_PGRAPH_CTX_CACHE4(i) (0x004001e0+(i)*4) /* RW-4A */ -#define NV_PGRAPH_CTX_CACHE4__SIZE_1 8 /* */ -#define NV_PGRAPH_CTX_CACHE4_USER_INSTANCE 15:0 /* RWXVF */ -#define NV_PGRAPH_CTX_CONTROL 0x00400170 /* RW-4R */ -#define NV_PGRAPH_CTX_CONTROL_MINIMUM_TIME 1:0 /* RWIVF */ -#define NV_PGRAPH_CTX_CONTROL_MINIMUM_TIME_33US 0x00000000 /* RWI-V */ -#define NV_PGRAPH_CTX_CONTROL_MINIMUM_TIME_262US 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_CONTROL_MINIMUM_TIME_2MS 0x00000002 /* RW--V */ -#define NV_PGRAPH_CTX_CONTROL_MINIMUM_TIME_17MS 0x00000003 /* RW--V */ -#define NV_PGRAPH_CTX_CONTROL_TIME 8:8 /* RWIVF */ -#define NV_PGRAPH_CTX_CONTROL_TIME_EXPIRED 0x00000000 /* RWI-V */ -#define NV_PGRAPH_CTX_CONTROL_TIME_NOT_EXPIRED 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_CONTROL_CHID 16:16 /* RWIVF */ -#define NV_PGRAPH_CTX_CONTROL_CHID_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_CTX_CONTROL_CHID_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_CONTROL_CHANGE 20:20 /* R--VF */ -#define NV_PGRAPH_CTX_CONTROL_CHANGE_UNAVAILABLE 0x00000000 /* R---V */ -#define NV_PGRAPH_CTX_CONTROL_CHANGE_AVAILABLE 0x00000001 /* R---V */ -#define NV_PGRAPH_CTX_CONTROL_SWITCHING 24:24 /* RWIVF */ -#define NV_PGRAPH_CTX_CONTROL_SWITCHING_IDLE 0x00000000 /* RWI-V */ -#define NV_PGRAPH_CTX_CONTROL_SWITCHING_BUSY 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_CONTROL_DEVICE 28:28 /* RWIVF */ -#define NV_PGRAPH_CTX_CONTROL_DEVICE_DISABLED 0x00000000 /* RWI-V */ -#define NV_PGRAPH_CTX_CONTROL_DEVICE_ENABLED 0x00000001 /* RW--V */ -#define NV_PGRAPH_CTX_USER 0x00400174 /* RW-4R */ -#define NV_PGRAPH_CTX_USER_SUBCH 15:13 /* RWIVF */ -#define NV_PGRAPH_CTX_USER_SUBCH_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_CTX_USER_CHID 27:24 /* RWIVF */ -#define NV_PGRAPH_CTX_USER_CHID_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_FIFO 0x00400720 /* RW-4R */ -#define NV_PGRAPH_FIFO_ACCESS 0:0 /* RWIVF */ -#define NV_PGRAPH_FIFO_ACCESS_DISABLED 0x00000000 /* RW--V */ -#define NV_PGRAPH_FIFO_ACCESS_ENABLED 0x00000001 /* RWI-V */ -#define NV_PGRAPH_FFINTFC_FIFO_0(i) (0x00400730+(i)*4) /* RW-4A */ -#define NV_PGRAPH_FFINTFC_FIFO_0__SIZE_1 4 /* */ -#define NV_PGRAPH_FFINTFC_FIFO_0_TAG 0:0 /* RWXVF */ -#define NV_PGRAPH_FFINTFC_FIFO_0_TAG_MTHD 0x00000000 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_0_TAG_CHSW 0x00000001 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_0_SUBCH 3:1 /* RWXVF */ -#define NV_PGRAPH_FFINTFC_FIFO_0_SUBCH_0 0x00000000 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_0_SUBCH_1 0x00000001 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_0_SUBCH_2 0x00000002 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_0_SUBCH_3 0x00000003 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_0_SUBCH_4 0x00000004 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_0_SUBCH_5 0x00000005 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_0_SUBCH_6 0x00000006 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_0_SUBCH_7 0x00000007 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_0_MTHD 14:4 /* RWXVF */ -#define NV_PGRAPH_FFINTFC_FIFO_0_MTHD_CTX_SWITCH 0x00000000 /* RW--V */ -#define NV_PGRAPH_FFINTFC_FIFO_1(i) (0x00400740+(i)*4) /* RW-4A */ -#define NV_PGRAPH_FFINTFC_FIFO_1__SIZE_1 4 /* */ -#define NV_PGRAPH_FFINTFC_FIFO_1_ARGUMENT 31:0 /* RWXVF */ -#define NV_PGRAPH_FFINTFC_FIFO_PTR 0x00400750 /* RW-4R */ -#define NV_PGRAPH_FFINTFC_FIFO_PTR_WRITE 2:0 /* RWIVF */ -#define NV_PGRAPH_FFINTFC_FIFO_PTR_WRITE_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_FFINTFC_FIFO_PTR_READ 6:4 /* RWIVF */ -#define NV_PGRAPH_FFINTFC_FIFO_PTR_READ_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_FFINTFC_ST2 0x00400754 /* RW-4R */ -#define NV_PGRAPH_FFINTFC_ST2_STATUS 0:0 /* RWIVF */ -#define NV_PGRAPH_FFINTFC_ST2_STATUS_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_FFINTFC_ST2_STATUS_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_MTHD 11:1 /* RWIVF */ -#define NV_PGRAPH_FFINTFC_ST2_MTHD_CTX_SWITCH 0x00000000 /* RWI-V */ -#define NV_PGRAPH_FFINTFC_ST2_SUBCH 14:12 /* RWIVF */ -#define NV_PGRAPH_FFINTFC_ST2_SUBCH_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_FFINTFC_ST2_SUBCH_1 0x00000001 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_SUBCH_2 0x00000002 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_SUBCH_3 0x00000003 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_SUBCH_4 0x00000004 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_SUBCH_5 0x00000005 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_SUBCH_6 0x00000006 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_SUBCH_7 0x00000007 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID 18:15 /* RWIVF */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_1 0x00000001 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_2 0x00000002 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_3 0x00000003 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_4 0x00000004 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_5 0x00000005 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_6 0x00000006 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_7 0x00000007 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_8 0x00000008 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_9 0x00000009 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_10 0x0000000A /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_11 0x0000000B /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_12 0x0000000C /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_13 0x0000000D /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_14 0x0000000E /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_15 0x0000000F /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_STATUS 19:19 /* RWIVF */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_STATUS_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_FFINTFC_ST2_CHID_STATUS_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_FFINTFC_ST2_D 0x00400758 /* RW-4R */ -#define NV_PGRAPH_FFINTFC_ST2_D_ARGUMENT 31:0 /* RWIVF */ -#define NV_PGRAPH_FFINTFC_ST2_D_ARGUMENT_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATUS 0x00400700 /* R--4R */ -#define NV_PGRAPH_STATUS_STATE 0:0 /* R-IVF */ -#define NV_PGRAPH_STATUS_STATE_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_STATE_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_XY_LOGIC 4:4 /* R-IVF */ -#define NV_PGRAPH_STATUS_XY_LOGIC_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_XY_LOGIC_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_FE 5:5 /* R-IVF */ -#define NV_PGRAPH_STATUS_FE_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_FE_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_RASTERIZER 6:6 /* R-IVF */ -#define NV_PGRAPH_STATUS_RASTERIZER_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_RASTERIZER_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_PORT_NOTIFY 8:8 /* R-IVF */ -#define NV_PGRAPH_STATUS_PORT_NOTIFY_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_PORT_NOTIFY_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_PORT_REGISTER 12:12 /* R-IVF */ -#define NV_PGRAPH_STATUS_PORT_REGISTER_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_PORT_REGISTER_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_PORT_DMA 16:16 /* R-IVF */ -#define NV_PGRAPH_STATUS_PORT_DMA_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_PORT_DMA_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_DMA_ENGINE 17:17 /* R-IVF */ -#define NV_PGRAPH_STATUS_DMA_ENGINE_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_DMA_ENGINE_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_DMA_NOTIFY 20:20 /* R-IVF */ -#define NV_PGRAPH_STATUS_DMA_NOTIFY_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_DMA_NOTIFY_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_DMA_BUFFER_NOTIFY 21:21 /* R-IVF */ -#define NV_PGRAPH_STATUS_DMA_BUFFER_NOTIFY_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_DMA_BUFFER_NOTIFY_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_D3D 24:24 /* R-IVF */ -#define NV_PGRAPH_STATUS_D3D_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_D3D_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_CACHE 25:25 /* R-IVF */ -#define NV_PGRAPH_STATUS_CACHE_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_CACHE_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_LIGHTING 26:26 /* R-IVF */ -#define NV_PGRAPH_STATUS_LIGHTING_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_LIGHTING_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_PREROP 27:27 /* R-IVF */ -#define NV_PGRAPH_STATUS_PREROP_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_PREROP_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_ROP 28:28 /* R-IVF */ -#define NV_PGRAPH_STATUS_ROP_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_ROP_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_STATUS_PORT_USER 29:29 /* R-IVF */ -#define NV_PGRAPH_STATUS_PORT_USER_IDLE 0x00000000 /* R-I-V */ -#define NV_PGRAPH_STATUS_PORT_USER_BUSY 0x00000001 /* R---V */ -#define NV_PGRAPH_TRAPPED_ADDR 0x00400704 /* R--4R */ -#define NV_PGRAPH_TRAPPED_ADDR_MTHD 12:2 /* R-XUF */ -#define NV_PGRAPH_TRAPPED_ADDR_SUBCH 15:13 /* R-XUF */ -#define NV_PGRAPH_TRAPPED_ADDR_CHID 27:24 /* R-XUF */ -#define NV_PGRAPH_TRAPPED_DATA 0x00400708 /* R--4R */ -#define NV_PGRAPH_TRAPPED_DATA_VALUE 31:0 /* R-XVF */ -#define NV_PGRAPH_SURFACE 0x0040070C /* RW-4R */ -#define NV_PGRAPH_SURFACE_TYPE 1:0 /* RWIVF */ -#define NV_PGRAPH_SURFACE_TYPE_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_SURFACE_TYPE_NON_SWIZZLE 0x00000001 /* RW--V */ -#define NV_PGRAPH_SURFACE_TYPE_SWIZZLE 0x00000002 /* RW--V */ -#define NV_PGRAPH_NOTIFY 0x00400714 /* RW-4R */ -#define NV_PGRAPH_NOTIFY_BUFFER_REQ 0:0 /* RWIVF */ -#define NV_PGRAPH_NOTIFY_BUFFER_REQ_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PGRAPH_NOTIFY_BUFFER_REQ_PENDING 0x00000001 /* RW--V */ -#define NV_PGRAPH_NOTIFY_BUFFER_STYLE 8:8 /* RWIVF */ -#define NV_PGRAPH_NOTIFY_BUFFER_STYLE_WRITE_ONLY 0x00000000 /* RWI-V */ -#define NV_PGRAPH_NOTIFY_BUFFER_STYLE_WRITE_THEN_AWAKEN 0x00000001 /* RW--V */ -#define NV_PGRAPH_NOTIFY_REQ 16:16 /* RWIVF */ -#define NV_PGRAPH_NOTIFY_REQ_NOT_PENDING 0x00000000 /* RWI-V */ -#define NV_PGRAPH_NOTIFY_REQ_PENDING 0x00000001 /* RW--V */ -#define NV_PGRAPH_NOTIFY_STYLE 20:20 /* RWIVF */ -#define NV_PGRAPH_NOTIFY_STYLE_WRITE_ONLY 0x00000000 /* RWI-V */ -#define NV_PGRAPH_NOTIFY_STYLE_WRITE_THEN_AWAKEN 0x00000001 /* RW--V */ -#define NV_PGRAPH_BOFFSET(i) (0x00400640+(i)*4) /* RW-4A */ -#define NV_PGRAPH_BOFFSET__SIZE_1 6 /* */ -#define NV_PGRAPH_BOFFSET_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BOFFSET_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BOFFSET0 0x00400640 /* RW-4R */ -#define NV_PGRAPH_BOFFSET0__ALIAS_1 NV_PGRAPH_BOFFSET(0) /* */ -#define NV_PGRAPH_BOFFSET0_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BOFFSET0_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BOFFSET1 0x00400644 /* RW-4R */ -#define NV_PGRAPH_BOFFSET1__ALIAS_1 NV_PGRAPH_BOFFSET(1) /* */ -#define NV_PGRAPH_BOFFSET1_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BOFFSET1_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BOFFSET2 0x00400648 /* RW-4R */ -#define NV_PGRAPH_BOFFSET2__ALIAS_1 NV_PGRAPH_BOFFSET(2) /* */ -#define NV_PGRAPH_BOFFSET2_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BOFFSET2_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BOFFSET3 0x0040064C /* RW-4R */ -#define NV_PGRAPH_BOFFSET3__ALIAS_1 NV_PGRAPH_BOFFSET(3) /* */ -#define NV_PGRAPH_BOFFSET3_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BOFFSET3_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BOFFSET4 0x00400650 /* RW-4R */ -#define NV_PGRAPH_BOFFSET4__ALIAS_1 NV_PGRAPH_BOFFSET(4) /* */ -#define NV_PGRAPH_BOFFSET4_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BOFFSET4_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BOFFSET5 0x00400654 /* RW-4R */ -#define NV_PGRAPH_BOFFSET5__ALIAS_1 NV_PGRAPH_BOFFSET(5) /* */ -#define NV_PGRAPH_BOFFSET5_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BOFFSET5_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BBASE(i) (0x00400658+(i)*4) /* RW-4A */ -#define NV_PGRAPH_BBASE__SIZE_1 6 /* */ -#define NV_PGRAPH_BBASE_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BBASE_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BBASE0 0x00400658 /* RW-4R */ -#define NV_PGRAPH_BBASE0__ALIAS_1 NV_PGRAPH_BBASE(0) /* */ -#define NV_PGRAPH_BBASE0_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BBASE0_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BBASE1 0x0040065c /* RW-4R */ -#define NV_PGRAPH_BBASE1__ALIAS_1 NV_PGRAPH_BBASE(1) /* */ -#define NV_PGRAPH_BBASE1_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BBASE1_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BBASE2 0x00400660 /* RW-4R */ -#define NV_PGRAPH_BBASE2__ALIAS_1 NV_PGRAPH_BBASE(2) /* */ -#define NV_PGRAPH_BBASE2_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BBASE2_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BBASE3 0x00400664 /* RW-4R */ -#define NV_PGRAPH_BBASE3__ALIAS_1 NV_PGRAPH_BBASE(3) /* */ -#define NV_PGRAPH_BBASE3_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BBASE3_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BBASE4 0x00400668 /* RW-4R */ -#define NV_PGRAPH_BBASE4__ALIAS_1 NV_PGRAPH_BBASE(4) /* */ -#define NV_PGRAPH_BBASE4_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BBASE4_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BBASE5 0x0040066C /* RW-4R */ -#define NV_PGRAPH_BBASE5__ALIAS_1 NV_PGRAPH_BBASE(5) /* */ -#define NV_PGRAPH_BBASE5_LINADRS 23:0 /* RWIUF */ -#define NV_PGRAPH_BBASE5_LINADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPITCH(i) (0x00400670+(i)*4) /* RW-4A */ -#define NV_PGRAPH_BPITCH__SIZE_1 5 /* */ -#define NV_PGRAPH_BPITCH_VALUE 12:0 /* RWIUF */ -#define NV_PGRAPH_BPITCH_VALUE_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPITCH0 0x00400670 /* RW-4R */ -#define NV_PGRAPH_BPITCH0__ALIAS_1 NV_PGRAPH_BPITCH(0) /* */ -#define NV_PGRAPH_BPITCH0_VALUE 12:0 /* RWIUF */ -#define NV_PGRAPH_BPITCH0_VALUE_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPITCH1 0x00400674 /* RW-4R */ -#define NV_PGRAPH_BPITCH1__ALIAS_1 NV_PGRAPH_BPITCH(1) /* */ -#define NV_PGRAPH_BPITCH1_VALUE 12:0 /* RWIUF */ -#define NV_PGRAPH_BPITCH1_VALUE_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPITCH2 0x00400678 /* RW-4R */ -#define NV_PGRAPH_BPITCH2__ALIAS_1 NV_PGRAPH_BPITCH(2) /* */ -#define NV_PGRAPH_BPITCH2_VALUE 12:0 /* RWIUF */ -#define NV_PGRAPH_BPITCH2_VALUE_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPITCH3 0x0040067C /* RW-4R */ -#define NV_PGRAPH_BPITCH3__ALIAS_1 NV_PGRAPH_BPITCH(3) /* */ -#define NV_PGRAPH_BPITCH3_VALUE 12:0 /* RWIUF */ -#define NV_PGRAPH_BPITCH3_VALUE_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPITCH4 0x00400680 /* RW-4R */ -#define NV_PGRAPH_BPITCH4__ALIAS_1 NV_PGRAPH_BPITCH(4) /* */ -#define NV_PGRAPH_BPITCH4_VALUE 12:0 /* RWIUF */ -#define NV_PGRAPH_BPITCH4_VALUE_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BLIMIT(i) (0x00400684+(i)*4) /* RW-4A */ -#define NV_PGRAPH_BLIMIT__SIZE_1 6 /* */ -#define NV_PGRAPH_BLIMIT_VALUE 23:0 /* RWXUF */ -#define NV_PGRAPH_BLIMIT_TYPE 31:31 /* RWIVF */ -#define NV_PGRAPH_BLIMIT_TYPE_IN_MEMORY 0x00000000 /* RW--V */ -#define NV_PGRAPH_BLIMIT_TYPE_NULL 0x00000001 /* RWI-V */ -#define NV_PGRAPH_BLIMIT0 0x00400684 /* RW-4R */ -#define NV_PGRAPH_BLIMIT0__ALIAS_1 NV_PGRAPH_BLIMIT(0) /* */ -#define NV_PGRAPH_BLIMIT0_VALUE 23:0 /* RWXUF */ -#define NV_PGRAPH_BLIMIT0_TYPE 31:31 /* RWIVF */ -#define NV_PGRAPH_BLIMIT0_TYPE_IN_MEMORY 0x00000000 /* RW--V */ -#define NV_PGRAPH_BLIMIT0_TYPE_NULL 0x00000001 /* RWI-V */ -#define NV_PGRAPH_BLIMIT1 0x00400688 /* RW-4R */ -#define NV_PGRAPH_BLIMIT1__ALIAS_1 NV_PGRAPH_BLIMIT(1) /* */ -#define NV_PGRAPH_BLIMIT1_VALUE 23:0 /* RWXUF */ -#define NV_PGRAPH_BLIMIT1_TYPE 31:31 /* RWIVF */ -#define NV_PGRAPH_BLIMIT1_TYPE_IN_MEMORY 0x00000000 /* RW--V */ -#define NV_PGRAPH_BLIMIT1_TYPE_NULL 0x00000001 /* RWI-V */ -#define NV_PGRAPH_BLIMIT2 0x0040068c /* RW-4R */ -#define NV_PGRAPH_BLIMIT2__ALIAS_1 NV_PGRAPH_BLIMIT(2) /* */ -#define NV_PGRAPH_BLIMIT2_VALUE 23:0 /* RWXUF */ -#define NV_PGRAPH_BLIMIT2_TYPE 31:31 /* RWIVF */ -#define NV_PGRAPH_BLIMIT2_TYPE_IN_MEMORY 0x00000000 /* RW--V */ -#define NV_PGRAPH_BLIMIT2_TYPE_NULL 0x00000001 /* RWI-V */ -#define NV_PGRAPH_BLIMIT3 0x00400690 /* RW-4R */ -#define NV_PGRAPH_BLIMIT3__ALIAS_1 NV_PGRAPH_BLIMIT(3) /* */ -#define NV_PGRAPH_BLIMIT3_VALUE 23:0 /* RWXUF */ -#define NV_PGRAPH_BLIMIT3_TYPE 31:31 /* RWIVF */ -#define NV_PGRAPH_BLIMIT3_TYPE_IN_MEMORY 0x00000000 /* RW--V */ -#define NV_PGRAPH_BLIMIT3_TYPE_NULL 0x00000001 /* RWI-V */ -#define NV_PGRAPH_BLIMIT4 0x00400694 /* RW-4R */ -#define NV_PGRAPH_BLIMIT4__ALIAS_1 NV_PGRAPH_BLIMIT(4) /* */ -#define NV_PGRAPH_BLIMIT4_VALUE 23:0 /* RWXUF */ -#define NV_PGRAPH_BLIMIT4_TYPE 31:31 /* RWIVF */ -#define NV_PGRAPH_BLIMIT4_TYPE_IN_MEMORY 0x00000000 /* RW--V */ -#define NV_PGRAPH_BLIMIT4_TYPE_NULL 0x00000001 /* RWI-V */ -#define NV_PGRAPH_BLIMIT5 0x00400698 /* RW-4R */ -#define NV_PGRAPH_BLIMIT5__ALIAS_1 NV_PGRAPH_BLIMIT(5) /* */ -#define NV_PGRAPH_BLIMIT5_VALUE 23:0 /* RWXUF */ -#define NV_PGRAPH_BLIMIT5_TYPE 31:31 /* RWIVF */ -#define NV_PGRAPH_BLIMIT5_TYPE_IN_MEMORY 0x00000000 /* RW--V */ -#define NV_PGRAPH_BLIMIT5_TYPE_NULL 0x00000001 /* RWI-V */ -#define NV_PGRAPH_BSWIZZLE2 0x0040069c /* RW-4R */ -#define NV_PGRAPH_BSWIZZLE2_WIDTH 19:16 /* RWIUF */ -#define NV_PGRAPH_BSWIZZLE2_WIDTH_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BSWIZZLE2_HEIGHT 27:24 /* RWIUF */ -#define NV_PGRAPH_BSWIZZLE2_HEIGHT_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BSWIZZLE5 0x004006a0 /* RW-4R */ -#define NV_PGRAPH_BSWIZZLE5_WIDTH 19:16 /* RWIUF */ -#define NV_PGRAPH_BSWIZZLE5_WIDTH_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BSWIZZLE5_HEIGHT 27:24 /* RWIUF */ -#define NV_PGRAPH_BSWIZZLE5_HEIGHT_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPIXEL 0x00400724 /* RW-4R */ -#define NV_PGRAPH_BPIXEL_DEPTH0 3:0 /* RWIVF */ -#define NV_PGRAPH_BPIXEL_DEPTH0_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_Y8 0x00000001 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_X1R5G5B5_Z1R5G5B5 0x00000002 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_X1R5G5B5_O1R5G5B5 0x00000003 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_A1R5G5B5 0x00000004 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_R5G6B5 0x00000005 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_Y16 0x00000006 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_X8R8G8B8_Z8R8G8B8 0x00000007 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_X8R8G8B8_O1Z7R8G8B8 0x00000008 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_X1A7R8G8B8_Z1A7R8G8B8 0x00000009 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_X1A7R8G8B8_O1A7R8G8B8 0x0000000a /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_X8R8G8B8_O8R8G8B8 0x0000000b /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_A8R8G8B8 0x0000000c /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_Y32 0x0000000d /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_V8YB8U8YA8 0x0000000e /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH0_YB8V8YA8U8 0x0000000f /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1 7:4 /* RWIVF */ -#define NV_PGRAPH_BPIXEL_DEPTH1_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_Y8 0x00000001 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_X1R5G5B5_Z1R5G5B5 0x00000002 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_X1R5G5B5_O1R5G5B5 0x00000003 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_A1R5G5B5 0x00000004 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_R5G6B5 0x00000005 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_Y16 0x00000006 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_X8R8G8B8_Z8R8G8B8 0x00000007 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_X8R8G8B8_O1Z7R8G8B8 0x00000008 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_X1A7R8G8B8_Z1A7R8G8B8 0x00000009 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_X1A7R8G8B8_O1A7R8G8B8 0x0000000a /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_X8R8G8B8_O8R8G8B8 0x0000000b /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_A8R8G8B8 0x0000000c /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_Y32 0x0000000d /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_V8YB8U8YA8 0x0000000e /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH1_YB8V8YA8U8 0x0000000f /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2 11:8 /* RWIVF */ -#define NV_PGRAPH_BPIXEL_DEPTH2_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_Y8 0x00000001 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_X1R5G5B5_Z1R5G5B5 0x00000002 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_X1R5G5B5_O1R5G5B5 0x00000003 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_A1R5G5B5 0x00000004 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_R5G6B5 0x00000005 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_Y16 0x00000006 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_X8R8G8B8_Z8R8G8B8 0x00000007 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_X8R8G8B8_O1Z7R8G8B8 0x00000008 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_X1A7R8G8B8_Z1A7R8G8B8 0x00000009 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_X1A7R8G8B8_O1A7R8G8B8 0x0000000a /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_X8R8G8B8_O8R8G8B8 0x0000000b /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_A8R8G8B8 0x0000000c /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_Y32 0x0000000d /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_V8YB8U8YA8 0x0000000e /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH2_YB8V8YA8U8 0x0000000f /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3 15:12 /* RWIVF */ -#define NV_PGRAPH_BPIXEL_DEPTH3_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_Y8 0x00000001 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_X1R5G5B5_Z1R5G5B5 0x00000002 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_X1R5G5B5_O1R5G5B5 0x00000003 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_A1R5G5B5 0x00000004 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_R5G6B5 0x00000005 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_Y16 0x00000006 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_X8R8G8B8_Z8R8G8B8 0x00000007 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_X8R8G8B8_O1Z7R8G8B8 0x00000008 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_X1A7R8G8B8_Z1A7R8G8B8 0x00000009 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_X1A7R8G8B8_O1A7R8G8B8 0x0000000a /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_X8R8G8B8_O8R8G8B8 0x0000000b /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_A8R8G8B8 0x0000000c /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_Y32 0x0000000d /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_V8YB8U8YA8 0x0000000e /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH3_YB8V8YA8U8 0x0000000f /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4 19:16 /* RWIVF */ -#define NV_PGRAPH_BPIXEL_DEPTH4_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_Y8 0x00000001 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_X1R5G5B5_Z1R5G5B5 0x00000002 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_X1R5G5B5_O1R5G5B5 0x00000003 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_A1R5G5B5 0x00000004 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_R5G6B5 0x00000005 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_Y16 0x00000006 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_X8R8G8B8_Z8R8G8B8 0x00000007 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_X8R8G8B8_O1Z7R8G8B8 0x00000008 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_X1A7R8G8B8_Z1A7R8G8B8 0x00000009 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_X1A7R8G8B8_O1A7R8G8B8 0x0000000a /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_X8R8G8B8_O8R8G8B8 0x0000000b /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_A8R8G8B8 0x0000000c /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_Y32 0x0000000d /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_V8YB8U8YA8 0x0000000e /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH4_YB8V8YA8U8 0x0000000f /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5 23:20 /* RWIVF */ -#define NV_PGRAPH_BPIXEL_DEPTH5_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_Y8 0x00000001 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_X1R5G5B5_Z1R5G5B5 0x00000002 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_X1R5G5B5_O1R5G5B5 0x00000003 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_A1R5G5B5 0x00000004 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_R5G6B5 0x00000005 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_Y16 0x00000006 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_X8R8G8B8_Z8R8G8B8 0x00000007 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_X8R8G8B8_O1Z7R8G8B8 0x00000008 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_X1A7R8G8B8_Z1A7R8G8B8 0x00000009 /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_X1A7R8G8B8_O1A7R8G8B8 0x0000000a /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_X8R8G8B8_O8R8G8B8 0x0000000b /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_A8R8G8B8 0x0000000c /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_Y32 0x0000000d /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_V8YB8U8YA8 0x0000000e /* RW--V */ -#define NV_PGRAPH_BPIXEL_DEPTH5_YB8V8YA8U8 0x0000000f /* RW--V */ -#define NV_PGRAPH_LIMIT_VIOL_PIX 0x00400610 /* RW-4R */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_ADRS 23:0 /* RWIVF */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_ADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_BLIT 29:29 /* RWIVF */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_BLIT_NO_VIOL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_BLIT_VIOL 0x00000001 /* RW--V */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_LIMIT 30:30 /* RWIVF */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_LIMIT_NO_VIOL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_LIMIT_VIOL 0x00000001 /* RW--V */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_OVRFLW 31:31 /* RWIVF */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_OVRFLW_NO_VIOL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_LIMIT_VIOL_PIX_OVRFLW_VIOL 0x00000001 /* RW--V */ -#define NV_PGRAPH_LIMIT_VIOL_Z 0x00400614 /* RW-4R */ -#define NV_PGRAPH_LIMIT_VIOL_Z_ADRS 23:0 /* RWIVF */ -#define NV_PGRAPH_LIMIT_VIOL_Z_ADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_LIMIT_VIOL_Z_LIMIT 30:30 /* RWIVF */ -#define NV_PGRAPH_LIMIT_VIOL_Z_LIMIT_NO_VIOL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_LIMIT_VIOL_Z_LIMIT_VIOL 0x00000001 /* RW--V */ -#define NV_PGRAPH_LIMIT_VIOL_Z_OVRFLW 31:31 /* RWIVF */ -#define NV_PGRAPH_LIMIT_VIOL_Z_OVRFLW_NO_VIOL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_LIMIT_VIOL_Z_OVRFLW_VIOL 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE 0x00400710 /* RW-4R */ -#define NV_PGRAPH_STATE_BUFFER_0 0:0 /* RWIVF */ -#define NV_PGRAPH_STATE_BUFFER_0_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_BUFFER_0_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_BUFFER_1 1:1 /* RWIVF */ -#define NV_PGRAPH_STATE_BUFFER_1_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_BUFFER_1_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_BUFFER_2 2:2 /* RWIVF */ -#define NV_PGRAPH_STATE_BUFFER_2_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_BUFFER_2_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_BUFFER_3 3:3 /* RWIVF */ -#define NV_PGRAPH_STATE_BUFFER_3_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_BUFFER_3_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_BUFFER_4 4:4 /* RWIVF */ -#define NV_PGRAPH_STATE_BUFFER_4_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_BUFFER_4_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_BUFFER_5 5:5 /* RWIVF */ -#define NV_PGRAPH_STATE_BUFFER_5_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_BUFFER_5_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_PITCH_0 8:8 /* RWIVF */ -#define NV_PGRAPH_STATE_PITCH_0_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_PITCH_0_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_PITCH_1 9:9 /* RWIVF */ -#define NV_PGRAPH_STATE_PITCH_1_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_PITCH_1_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_PITCH_2 10:10 /* RWIVF */ -#define NV_PGRAPH_STATE_PITCH_2_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_PITCH_2_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_PITCH_3 11:11 /* RWIVF */ -#define NV_PGRAPH_STATE_PITCH_3_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_PITCH_3_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_PITCH_4 12:12 /* RWIVF */ -#define NV_PGRAPH_STATE_PITCH_4_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_PITCH_4_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_CHROMA_COLOR 16:16 /* RWIVF */ -#define NV_PGRAPH_STATE_CHROMA_COLOR_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_CHROMA_COLOR_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_CHROMA_COLORFMT 17:17 /* RWIVF */ -#define NV_PGRAPH_STATE_CHROMA_COLORFMT_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_CHROMA_COLORFMT_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_CPATTERN_COLORFMT 20:20 /* RWIVF */ -#define NV_PGRAPH_STATE_CPATTERN_COLORFMT_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_CPATTERN_COLORFMT_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_CPATTERN_MONOFMT 21:21 /* RWIVF */ -#define NV_PGRAPH_STATE_CPATTERN_MONOFMT_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_CPATTERN_MONOFMT_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_CPATTERN_SELECT 22:22 /* RWIVF */ -#define NV_PGRAPH_STATE_CPATTERN_SELECT_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_CPATTERN_SELECT_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_PATTERN_COLOR0 24:24 /* RWIVF */ -#define NV_PGRAPH_STATE_PATTERN_COLOR0_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_PATTERN_COLOR0_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_PATTERN_COLOR1 25:25 /* RWIVF */ -#define NV_PGRAPH_STATE_PATTERN_COLOR1_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_PATTERN_COLOR1_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_PATTERN_PATT0 26:26 /* RWIVF */ -#define NV_PGRAPH_STATE_PATTERN_PATT0_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_PATTERN_PATT0_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_STATE_PATTERN_PATT1 27:27 /* RWIVF */ -#define NV_PGRAPH_STATE_PATTERN_PATT1_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_STATE_PATTERN_PATT1_VALID 0x00000001 /* RW--V */ -#define NV_PGRAPH_CACHE_INDEX 0x00400728 /* RW-4R */ -#define NV_PGRAPH_CACHE_INDEX_BANK 2:2 /* RWXVF */ -#define NV_PGRAPH_CACHE_INDEX_BANK_10 0x00000000 /* RW--V */ -#define NV_PGRAPH_CACHE_INDEX_BANK_32 0x00000001 /* RW--V */ -#define NV_PGRAPH_CACHE_INDEX_ADRS 12:3 /* RWXVF */ -#define NV_PGRAPH_CACHE_INDEX_ADRS_0 0x00000000 /* RW--V */ -#define NV_PGRAPH_CACHE_INDEX_ADRS_1024 0x00000400 /* RW--V */ -#define NV_PGRAPH_CACHE_INDEX_OP 14:13 /* RWXVF */ -#define NV_PGRAPH_CACHE_INDEX_OP_WR_CACHE 0x00000000 /* RW--V */ -#define NV_PGRAPH_CACHE_INDEX_OP_RD_CACHE 0x00000001 /* RW--V */ -#define NV_PGRAPH_CACHE_INDEX_OP_RD_INDEX 0x00000002 /* RW--V */ -#define NV_PGRAPH_CACHE_RAM 0x0040072c /* RW-4R */ -#define NV_PGRAPH_CACHE_RAM_VALUE 31:0 /* RWXVF */ -#define NV_PGRAPH_DMA_PITCH 0x00400760 /* RW-4R */ -#define NV_PGRAPH_DMA_PITCH_S0 15:0 /* RWXSF */ -#define NV_PGRAPH_DMA_PITCH_S1 31:16 /* RWXSF */ -#define NV_PGRAPH_DVD_COLORFMT 0x00400764 /* RW-4R */ -#define NV_PGRAPH_DVD_COLORFMT_IMAGE 5:0 /* RWNVF */ -#define NV_PGRAPH_DVD_COLORFMT_IMAGE_FORMAT_INVALID 0x00 /* RWN-V */ -#define NV_PGRAPH_DVD_COLORFMT_IMAGE_FORMAT_LE_V8YB8U8YA8 0x12 /* RW--V */ -#define NV_PGRAPH_DVD_COLORFMT_IMAGE_FORMAT_LE_YB8V8YA8U8 0x13 /* RW--V */ -#define NV_PGRAPH_DVD_COLORFMT_OVLY 9:8 /* RWNVF */ -#define NV_PGRAPH_DVD_COLORFMT_OVLY_FORMAT_INVALID 0x00 /* RWN-V */ -#define NV_PGRAPH_DVD_COLORFMT_OVLY_FORMAT_LE_A8Y8U8V8 0x01 /* RW--V */ -#define NV_PGRAPH_DVD_COLORFMT_OVLY_FORMAT_LE_A4V6YB6A4U6YA6 0x02 /* RW--V */ -#define NV_PGRAPH_DVD_COLORFMT_OVLY_FORMAT_TRANSPARENT 0x03 /* RW--V */ -#define NV_PGRAPH_SCALED_FORMAT 0x00400768 /* RW-4R */ -#define NV_PGRAPH_SCALED_FORMAT_ORIGIN 17:16 /* RWIVF */ -#define NV_PGRAPH_SCALED_FORMAT_ORIGIN_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_SCALED_FORMAT_ORIGIN_CENTER 0x00000001 /* RW--V */ -#define NV_PGRAPH_SCALED_FORMAT_ORIGIN_CORNER 0x00000002 /* RW--V */ -#define NV_PGRAPH_SCALED_FORMAT_INTERPOLATOR 24:24 /* RWIVF */ -#define NV_PGRAPH_SCALED_FORMAT_INTERPOLATOR_ZOH 0x00000000 /* RWI-V */ -#define NV_PGRAPH_SCALED_FORMAT_INTERPOLATOR_FOH 0x00000001 /* RW--V */ -#define NV_PGRAPH_PATT_COLOR0 0x00400800 /* RW-4R */ -#define NV_PGRAPH_PATT_COLOR0_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_PATT_COLOR1 0x00400804 /* RW-4R */ -#define NV_PGRAPH_PATT_COLOR1_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_PATT_COLORRAM(i) (0x00400900+(i)*4) /* R--4A */ -#define NV_PGRAPH_PATT_COLORRAM__SIZE_1 64 /* */ -#define NV_PGRAPH_PATT_COLORRAM_VALUE 23:0 /* R--UF */ -#define NV_PGRAPH_PATTERN(i) (0x00400808+(i)*4) /* RW-4A */ -#define NV_PGRAPH_PATTERN__SIZE_1 2 /* */ -#define NV_PGRAPH_PATTERN_BITMAP 31:0 /* RWXVF */ -#define NV_PGRAPH_PATTERN_SHAPE 0x00400810 /* RW-4R */ -#define NV_PGRAPH_PATTERN_SHAPE_VALUE 1:0 /* RWXVF */ -#define NV_PGRAPH_PATTERN_SHAPE_VALUE_8X_8Y 0x00000000 /* RW--V */ -#define NV_PGRAPH_PATTERN_SHAPE_VALUE_64X_1Y 0x00000001 /* RW--V */ -#define NV_PGRAPH_PATTERN_SHAPE_VALUE_1X_64Y 0x00000002 /* RW--V */ -#define NV_PGRAPH_PATTERN_SHAPE_SELECT 4:4 /* RWXVF */ -#define NV_PGRAPH_PATTERN_SHAPE_SELECT_2COLOR 0x00000000 /* RW--V */ -#define NV_PGRAPH_PATTERN_SHAPE_SELECT_FULLCOLOR 0x00000001 /* RW--V */ -#define NV_PGRAPH_MONO_COLOR0 0x00400600 /* RW-4R */ -#define NV_PGRAPH_MONO_COLOR0_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_ROP3 0x00400604 /* RW-4R */ -#define NV_PGRAPH_ROP3_VALUE 7:0 /* RWXVF */ -#define NV_PGRAPH_CHROMA 0x00400814 /* RW-4R */ -#define NV_PGRAPH_CHROMA_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_BETA_AND 0x00400608 /* RW-4R */ -#define NV_PGRAPH_BETA_AND_VALUE_FRACTION 30:23 /* RWXUF */ -#define NV_PGRAPH_BETA_PREMULT 0x0040060c /* RW-4R */ -#define NV_PGRAPH_BETA_PREMULT_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_CONTROL0 0x00400818 /* RW-4R */ -#define NV_PGRAPH_CONTROL1 0x0040081c /* RW-4R */ -#define NV_PGRAPH_CONTROL2 0x00400820 /* RW-4R */ -#define NV_PGRAPH_BLEND 0x00400824 /* RW-4R */ -#define NV_PGRAPH_DPRAM_INDEX 0x00400828 /* RW-4R */ -#define NV_PGRAPH_DPRAM_INDEX_ADRS 6:0 /* RWIVF */ -#define NV_PGRAPH_DPRAM_INDEX_ADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_DPRAM_INDEX_SELECT 10:8 /* RWIVF */ -#define NV_PGRAPH_DPRAM_INDEX_SELECT_ADRS_0 0x00000000 /* RWI-V */ -#define NV_PGRAPH_DPRAM_INDEX_SELECT_ADRS_1 0x00000001 /* RW--V */ -#define NV_PGRAPH_DPRAM_INDEX_SELECT_DATA_0 0x00000002 /* RW--V */ -#define NV_PGRAPH_DPRAM_INDEX_SELECT_DATA_1 0x00000003 /* RW--V */ -#define NV_PGRAPH_DPRAM_INDEX_SELECT_WE_0 0x00000004 /* RW--V */ -#define NV_PGRAPH_DPRAM_INDEX_SELECT_WE_1 0x00000005 /* RW--V */ -#define NV_PGRAPH_DPRAM_INDEX_SELECT_ALPHA_0 0x00000006 /* RW--V */ -#define NV_PGRAPH_DPRAM_INDEX_SELECT_ALPHA_1 0x00000007 /* RW--V */ -#define NV_PGRAPH_DPRAM_DATA 0x0040082c /* RW-4R */ -#define NV_PGRAPH_DPRAM_DATA_VALUE 31:0 /* RWXVF */ -#define NV_PGRAPH_DPRAM_ADRS_0 0x0040082c /* RW-4R */ -#define NV_PGRAPH_DPRAM_ADRS_0__ALIAS_1 NV_PGRAPH_DPRAM_DATA /* */ -#define NV_PGRAPH_DPRAM_ADRS_0_VALUE 19:0 /* RWXVF */ -#define NV_PGRAPH_DPRAM_ADRS_1 0x0040082c /* RW-4R */ -#define NV_PGRAPH_DPRAM_ADRS_1__ALIAS_1 NV_PGRAPH_DPRAM_DATA /* */ -#define NV_PGRAPH_DPRAM_ADRS_1_VALUE 19:0 /* RWXVF */ -#define NV_PGRAPH_DPRAM_DATA_0 0x0040082c /* RW-4R */ -#define NV_PGRAPH_DPRAM_DATA_0__ALIAS_1 NV_PGRAPH_DPRAM_DATA /* */ -#define NV_PGRAPH_DPRAM_DATA_0_VALUE 31:0 /* RWXVF */ -#define NV_PGRAPH_DPRAM_DATA_1 0x0040082c /* RW-4R */ -#define NV_PGRAPH_DPRAM_DATA_1__ALIAS_1 NV_PGRAPH_DPRAM_DATA /* */ -#define NV_PGRAPH_DPRAM_DATA_1_VALUE 31:0 /* RWXVF */ -#define NV_PGRAPH_DPRAM_WE_0 0x0040082c /* RW-4R */ -#define NV_PGRAPH_DPRAM_WE_0__ALIAS_1 NV_PGRAPH_DPRAM_DATA /* */ -#define NV_PGRAPH_DPRAM_WE_0_VALUE 23:0 /* RWXVF */ -#define NV_PGRAPH_DPRAM_WE_1 0x0040082c /* RW-4R */ -#define NV_PGRAPH_DPRAM_WE_1__ALIAS_1 NV_PGRAPH_DPRAM_DATA /* */ -#define NV_PGRAPH_DPRAM_WE_1_VALUE 23:0 /* RWXVF */ -#define NV_PGRAPH_DPRAM_ALPHA_0 0x0040082c /* RW-4R */ -#define NV_PGRAPH_DPRAM_ALPHA_0__ALIAS_1 NV_PGRAPH_DPRAM_DATA /* */ -#define NV_PGRAPH_DPRAM_ALPHA_0_VALUE 31:0 /* RWXVF */ -#define NV_PGRAPH_DPRAM_ALPHA_1 0x0040082c /* RW-4R */ -#define NV_PGRAPH_DPRAM_ALPHA_1__ALIAS_1 NV_PGRAPH_DPRAM_DATA /* */ -#define NV_PGRAPH_DPRAM_ALPHA_1_VALUE 31:0 /* RWXVF */ -#define NV_PGRAPH_STORED_FMT 0x00400830 /* RW-4R */ -#define NV_PGRAPH_STORED_FMT_MONO0 5:0 /* RWXVF */ -#define NV_PGRAPH_STORED_FMT_PATT0 13:8 /* RWXVF */ -#define NV_PGRAPH_STORED_FMT_PATT1 21:16 /* RWXVF */ -#define NV_PGRAPH_STORED_FMT_CHROMA 29:24 /* RWXVF */ -#define NV_PGRAPH_FORMATS 0x00400618 /* RW-4R */ -#define NV_PGRAPH_FORMATS_ROP 2:0 /* R-XVF */ -#define NV_PGRAPH_FORMATS_ROP_Y8 0x00000000 /* -W--V */ -#define NV_PGRAPH_FORMATS_ROP_RGB15 0x00000001 /* -W--V */ -#define NV_PGRAPH_FORMATS_ROP_RGB16 0x00000002 /* -W--V */ -#define NV_PGRAPH_FORMATS_ROP_Y16 0x00000003 /* -W--V */ -#define NV_PGRAPH_FORMATS_ROP_INVALID 0x00000004 /* -W--V */ -#define NV_PGRAPH_FORMATS_ROP_RGB24 0x00000005 /* -W--V */ -#define NV_PGRAPH_FORMATS_ROP_RGB30 0x00000006 /* -W--V */ -#define NV_PGRAPH_FORMATS_ROP_Y32 0x00000007 /* -W--V */ -#define NV_PGRAPH_FORMATS_SRC 9:4 /* R-XVF */ -#define NV_PGRAPH_FORMATS_SRC_INVALID 0x00000000 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_Y8 0x00000001 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_X16A8Y8 0x00000002 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_X24Y8 0x00000003 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_A1R5G5B5 0x00000006 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_X1R5G5B5 0x00000007 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_X16A1R5G5B5 0x00000008 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_X17R5G5B5 0x00000009 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_R5G6B5 0x0000000A /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_A16R5G6B5 0x0000000B /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_X16R5G6B5 0x0000000C /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_A8R8G8B8 0x0000000D /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_X8R8G8B8 0x0000000E /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_Y16 0x0000000F /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_A16Y16 0x00000010 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_X16Y16 0x00000011 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_V8YB8U8YA8 0x00000012 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_YB8V8YA8U8 0x00000013 /* RW--V */ -#define NV_PGRAPH_FORMATS_SRC_LE_Y32 0x00000014 /* RW--V */ -#define NV_PGRAPH_FORMATS_FB 15:12 /* R-XVF */ -#define NV_PGRAPH_FORMATS_FB_INVALID 0x00000000 /* RWI-V */ -#define NV_PGRAPH_FORMATS_FB_Y8 0x00000001 /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_X1R5G5B5_Z1R5G5B5 0x00000002 /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_X1R5G5B5_O1R5G5B5 0x00000003 /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_A1R5G5B5 0x00000004 /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_R5G6B5 0x00000005 /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_Y16 0x00000006 /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_X8R8G8B8_Z8R8G8B8 0x00000007 /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_X8R8G8B8_O1Z7R8G8B8 0x00000008 /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_X1A7R8G8B8_Z1A7R8G8B8 0x00000009 /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_X1A7R8G8B8_O1A7R8G8B8 0x0000000a /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_X8R8G8B8_O8R8G8B8 0x0000000b /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_A8R8G8B8 0x0000000c /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_Y32 0x0000000d /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_V8YB8U8YA8 0x0000000e /* RW--V */ -#define NV_PGRAPH_FORMATS_FB_YB8V8YA8U8 0x0000000f /* RW--V */ -#define NV_PGRAPH_ABS_X_RAM(i) (0x00400400+(i)*4) /* RW-4A */ -#define NV_PGRAPH_ABS_X_RAM__SIZE_1 32 /* */ -#define NV_PGRAPH_ABS_X_RAM_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_X_RAM_BPORT(i) (0x00400c00+(i)*4) /* R--4A */ -#define NV_PGRAPH_X_RAM_BPORT__SIZE_1 32 /* */ -#define NV_PGRAPH_X_RAM_BPORT_VALUE 31:0 /* R--UF */ -#define NV_PGRAPH_ABS_Y_RAM(i) (0x00400480+(i)*4) /* RW-4A */ -#define NV_PGRAPH_ABS_Y_RAM__SIZE_1 32 /* */ -#define NV_PGRAPH_ABS_Y_RAM_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_Y_RAM_BPORT(i) (0x00400c80+(i)*4) /* R--4A */ -#define NV_PGRAPH_Y_RAM_BPORT__SIZE_1 32 /* */ -#define NV_PGRAPH_Y_RAM_BPORT_VALUE 31:0 /* R--UF */ -#define NV_PGRAPH_XY_LOGIC_MISC0 0x00400514 /* RW-4R */ -#define NV_PGRAPH_XY_LOGIC_MISC0_COUNTER 17:0 /* RWBUF */ -#define NV_PGRAPH_XY_LOGIC_MISC0_COUNTER_0 0x00000000 /* RWB-V */ -#define NV_PGRAPH_XY_LOGIC_MISC0_DIMENSION 20:20 /* RWVVF */ -#define NV_PGRAPH_XY_LOGIC_MISC0_DIMENSION_NONZERO 0x00000000 /* RWV-V */ -#define NV_PGRAPH_XY_LOGIC_MISC0_DIMENSION_ZERO 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC0_INDEX 31:28 /* RWBUF */ -#define NV_PGRAPH_XY_LOGIC_MISC0_INDEX_0 0x00000000 /* RWB-V */ -#define NV_PGRAPH_XY_LOGIC_MISC1 0x00400518 /* RW-4R */ -#define NV_PGRAPH_XY_LOGIC_MISC1_INITIAL 0:0 /* RWNVF */ -#define NV_PGRAPH_XY_LOGIC_MISC1_INITIAL_NEEDED 0x00000000 /* RWN-V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_INITIAL_DONE 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_XTRACLIPX 4:4 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC1_XTRACLIPX_NOTNULL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_XTRACLIPX_NULL 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_XTRACLIPY 5:5 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC1_XTRACLIPY_NOTNULL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_XTRACLIPY_NULL 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_SEL_XIMAX 12:12 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC1_SEL_XIMAX_UUMAX 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_SEL_XIMAX_IMAGEMAX 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_SEL_YIMAX 16:16 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC1_SEL_YIMAX_UUMAX 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_SEL_YIMAX_IMAGEMAX 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_SEL_XXTRA 20:20 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC1_SEL_XXTRA_CLIPMAX 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC1_SEL_XXTRA_IMAGEMAX 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC2 0x0040051C /* RW-4R */ -#define NV_PGRAPH_XY_LOGIC_MISC2_HANDOFF 0:0 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC2_HANDOFF_DISABLE 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_HANDOFF_ENABLE 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_XTRACLIPX 4:4 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC2_XTRACLIPX_NOTNULL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_XTRACLIPX_NULL 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_XTRACLIPY 5:5 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC2_XTRACLIPY_NOTNULL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_XTRACLIPY_NULL 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_SEL_XIMAX 12:12 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC2_SEL_XIMAX_UCMAX 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_SEL_XIMAX_IMAGEMAX 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_SEL_YIMAX 16:16 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC2_SEL_YIMAX_UCMAX 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_SEL_YIMAX_IMAGEMAX 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_SEL_XXTRA 20:20 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC2_SEL_XXTRA_CLIPMAX 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC2_SEL_XXTRA_IMAGEMAX 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC3 0x00400520 /* RW-4R */ -#define NV_PGRAPH_XY_LOGIC_MISC3_WDIMY_EQ_0 0:0 /* RWXVF */ -#define NV_PGRAPH_XY_LOGIC_MISC3_WDIMY_EQ_0_NULL 0x00000000 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC3_WDIMY_EQ_0_TRUE 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC3_RELOAD_WDIMY 4:4 /* RWXVF */ -#define NV_PGRAPH_XY_LOGIC_MISC3_RELOAD_WDIMY_NULL 0x00000000 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC3_RELOAD_WDIMY_TRUE 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC3_RELOAD_WX 8:8 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC3_RELOAD_WX_NULL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC3_RELOAD_WX_TRUE 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC3_TEXT_ALG 12:12 /* RWIVF */ -#define NV_PGRAPH_XY_LOGIC_MISC3_TEXT_ALG_NULL 0x00000000 /* RWI-V */ -#define NV_PGRAPH_XY_LOGIC_MISC3_TEXT_ALG_TRUE 0x00000001 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC3_TEXT_DIMX 22:16 /* RWXUF */ -#define NV_PGRAPH_XY_LOGIC_MISC3_TEXT_DIMX_0 0x00000000 /* RW--V */ -#define NV_PGRAPH_XY_LOGIC_MISC3_TEXT_WDIMX 30:24 /* RWXUF */ -#define NV_PGRAPH_XY_LOGIC_MISC3_TEXT_WDIMX_0 0x00000000 /* RW--V */ -#define NV_PGRAPH_X_MISC 0x00400500 /* RW-4R */ -#define NV_PGRAPH_X_MISC_BIT33_0 0:0 /* RWNVF */ -#define NV_PGRAPH_X_MISC_BIT33_0_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_X_MISC_BIT33_1 1:1 /* RWNVF */ -#define NV_PGRAPH_X_MISC_BIT33_1_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_X_MISC_BIT33_2 2:2 /* RWNVF */ -#define NV_PGRAPH_X_MISC_BIT33_2_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_X_MISC_BIT33_3 3:3 /* RWNVF */ -#define NV_PGRAPH_X_MISC_BIT33_3_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_X_MISC_RANGE_0 4:4 /* RWNVF */ -#define NV_PGRAPH_X_MISC_RANGE_0_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_X_MISC_RANGE_1 5:5 /* RWNVF */ -#define NV_PGRAPH_X_MISC_RANGE_1_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_X_MISC_RANGE_2 6:6 /* RWNVF */ -#define NV_PGRAPH_X_MISC_RANGE_2_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_X_MISC_RANGE_3 7:7 /* RWNVF */ -#define NV_PGRAPH_X_MISC_RANGE_3_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_X_MISC_ADDER_OUTPUT 29:28 /* RWXVF */ -#define NV_PGRAPH_X_MISC_ADDER_OUTPUT_EQ_0 0x00000000 /* RW--V */ -#define NV_PGRAPH_X_MISC_ADDER_OUTPUT_LT_0 0x00000001 /* RW--V */ -#define NV_PGRAPH_X_MISC_ADDER_OUTPUT_GT_0 0x00000002 /* RW--V */ -#define NV_PGRAPH_Y_MISC 0x00400504 /* RW-4R */ -#define NV_PGRAPH_Y_MISC_BIT33_0 0:0 /* RWNVF */ -#define NV_PGRAPH_Y_MISC_BIT33_0_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_Y_MISC_BIT33_1 1:1 /* RWNVF */ -#define NV_PGRAPH_Y_MISC_BIT33_1_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_Y_MISC_BIT33_2 2:2 /* RWNVF */ -#define NV_PGRAPH_Y_MISC_BIT33_2_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_Y_MISC_BIT33_3 3:3 /* RWNVF */ -#define NV_PGRAPH_Y_MISC_BIT33_3_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_Y_MISC_RANGE_0 4:4 /* RWNVF */ -#define NV_PGRAPH_Y_MISC_RANGE_0_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_Y_MISC_RANGE_1 5:5 /* RWNVF */ -#define NV_PGRAPH_Y_MISC_RANGE_1_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_Y_MISC_RANGE_2 6:6 /* RWNVF */ -#define NV_PGRAPH_Y_MISC_RANGE_2_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_Y_MISC_RANGE_3 7:7 /* RWNVF */ -#define NV_PGRAPH_Y_MISC_RANGE_3_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_Y_MISC_ADDER_OUTPUT 29:28 /* RWXVF */ -#define NV_PGRAPH_Y_MISC_ADDER_OUTPUT_EQ_0 0x00000000 /* RW--V */ -#define NV_PGRAPH_Y_MISC_ADDER_OUTPUT_LT_0 0x00000001 /* RW--V */ -#define NV_PGRAPH_Y_MISC_ADDER_OUTPUT_GT_0 0x00000002 /* RW--V */ -#define NV_PGRAPH_ABS_UCLIP_XMIN 0x0040053C /* RW-4R */ -#define NV_PGRAPH_ABS_UCLIP_XMIN_VALUE 15:0 /* RWXSF */ -#define NV_PGRAPH_ABS_UCLIP_XMAX 0x00400544 /* RW-4R */ -#define NV_PGRAPH_ABS_UCLIP_XMAX_VALUE 17:0 /* RWXSF */ -#define NV_PGRAPH_ABS_UCLIP_YMIN 0x00400540 /* RW-4R */ -#define NV_PGRAPH_ABS_UCLIP_YMIN_VALUE 15:0 /* RWXSF */ -#define NV_PGRAPH_ABS_UCLIP_YMAX 0x00400548 /* RW-4R */ -#define NV_PGRAPH_ABS_UCLIP_YMAX_VALUE 17:0 /* RWXSF */ -#define NV_PGRAPH_ABS_UCLIPA_XMIN 0x00400560 /* RW-4R */ -#define NV_PGRAPH_ABS_UCLIPA_XMIN_VALUE 15:0 /* RWXSF */ -#define NV_PGRAPH_ABS_UCLIPA_XMAX 0x00400568 /* RW-4R */ -#define NV_PGRAPH_ABS_UCLIPA_XMAX_VALUE 17:0 /* RWXSF */ -#define NV_PGRAPH_ABS_UCLIPA_YMIN 0x00400564 /* RW-4R */ -#define NV_PGRAPH_ABS_UCLIPA_YMIN_VALUE 15:0 /* RWXSF */ -#define NV_PGRAPH_ABS_UCLIPA_YMAX 0x0040056C /* RW-4R */ -#define NV_PGRAPH_ABS_UCLIPA_YMAX_VALUE 17:0 /* RWXSF */ -#define NV_PGRAPH_SOURCE_COLOR 0x0040050C /* RW-4R */ -#define NV_PGRAPH_SOURCE_COLOR_VALUE 31:0 /* RWNVF */ -#define NV_PGRAPH_SOURCE_COLOR_VALUE_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_VALID1 0x00400508 /* RW-4R */ -#define NV_PGRAPH_VALID1_VLD 22:0 /* RWNVF */ -#define NV_PGRAPH_VALID1_VLD_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_VALID1_CLIP_MIN 28:28 /* RWIVF */ -#define NV_PGRAPH_VALID1_CLIP_MIN_NO_ERROR 0x00000000 /* RWI-V */ -#define NV_PGRAPH_VALID1_CLIP_MIN_ONLY 0x00000001 /* RW--V */ -#define NV_PGRAPH_VALID1_CLIPA_MIN 29:29 /* RWIVF */ -#define NV_PGRAPH_VALID1_CLIPA_MIN_NO_ERROR 0x00000000 /* RWI-V */ -#define NV_PGRAPH_VALID1_CLIPA_MIN_ONLY 0x00000001 /* RW--V */ -#define NV_PGRAPH_VALID1_CLIP_MAX 30:30 /* RWIVF */ -#define NV_PGRAPH_VALID1_CLIP_MAX_NO_ERROR 0x00000000 /* RWI-V */ -#define NV_PGRAPH_VALID1_CLIP_MAX_ONLY 0x00000001 /* RW--V */ -#define NV_PGRAPH_VALID1_CLIPA_MAX 31:31 /* RWIVF */ -#define NV_PGRAPH_VALID1_CLIPA_MAX_NO_ERROR 0x00000000 /* RWI-V */ -#define NV_PGRAPH_VALID1_CLIPA_MAX_ONLY 0x00000001 /* RW--V */ -#define NV_PGRAPH_VALID2 0x00400578 /* RW-4R */ -#define NV_PGRAPH_VALID2_VLD2 28:0 /* RWNVF */ -#define NV_PGRAPH_VALID2_VLD2_0 0x00000000 /* RWN-V */ -#define NV_PGRAPH_ABS_ICLIP_XMAX 0x00400534 /* RW-4R */ -#define NV_PGRAPH_ABS_ICLIP_XMAX_VALUE 17:0 /* RWXSF */ -#define NV_PGRAPH_ABS_ICLIP_YMAX 0x00400538 /* RW-4R */ -#define NV_PGRAPH_ABS_ICLIP_YMAX_VALUE 17:0 /* RWXSF */ -#define NV_PGRAPH_CLIPX_0 0x00400524 /* RW-4R */ -#define NV_PGRAPH_CLIPX_0_CLIP0_MIN 1:0 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP0_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP0_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP0_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP0_MAX 3:2 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP0_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP0_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP0_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP1_MIN 5:4 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP1_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP1_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP1_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP1_MAX 7:6 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP1_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP1_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP1_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP2_MIN 9:8 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP2_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP2_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP2_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP2_MAX 11:10 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP2_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP2_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP2_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP3_MIN 13:12 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP3_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP3_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP3_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP3_MAX 15:14 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP3_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP3_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP3_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP4_MIN 17:16 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP4_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP4_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP4_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP4_MAX 19:18 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP4_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP4_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP4_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP5_MIN 21:20 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP5_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP5_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP5_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP5_MAX 23:22 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP5_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP5_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP5_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP6_MIN 25:24 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP6_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP6_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP6_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP6_MAX 27:26 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP6_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP6_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP6_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP7_MIN 29:28 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP7_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP7_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP7_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP7_MAX 31:30 /* RWNVF */ -#define NV_PGRAPH_CLIPX_0_CLIP7_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_0_CLIP7_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_0_CLIP7_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1 0x00400528 /* RW-4R */ -#define NV_PGRAPH_CLIPX_1_CLIP8_MIN 1:0 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP8_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP8_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP8_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP8_MAX 3:2 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP8_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP8_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP8_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP9_MIN 5:4 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP9_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP9_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP9_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP9_MAX 7:6 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP9_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP9_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP9_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP10_MIN 9:8 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP10_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP10_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP10_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP10_MAX 11:10 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP10_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP10_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP10_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP11_MIN 13:12 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP11_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP11_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP11MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP11_MAX 15:14 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP11_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP11_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP11_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP12_MIN 17:16 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP12_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP12_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP12_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP12_MAX 19:18 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP12_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP12_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP12_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP13_MIN 21:20 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP13_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP13_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP13_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP13_MAX 23:22 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP13_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP13_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP13_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP14_MIN 25:24 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP14_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP14_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP14_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP14_MAX 27:26 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP14_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP14_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP14_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP15_MIN 29:28 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP15_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP15_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP15_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP15_MAX 31:30 /* RWNVF */ -#define NV_PGRAPH_CLIPX_1_CLIP15_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPX_1_CLIP15_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPX_1_CLIP15_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0 0x0040052c /* RW-4R */ -#define NV_PGRAPH_CLIPY_0_CLIP0_MIN 1:0 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP0_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP0_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP0_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP0_MAX 3:2 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP0_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP0_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP0_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP1_MIN 5:4 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP1_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP1_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP1_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP1_MAX 7:6 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP1_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP1_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP1_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP2_MIN 9:8 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP2_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP2_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP2_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP2_MAX 11:10 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP2_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP2_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP2_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP3_MIN 13:12 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP3_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP3_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP3_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP3_MAX 15:14 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP3_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP3_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP3_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP4_MIN 17:16 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP4_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP4_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP4_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP4_MAX 19:18 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP4_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP4_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP4_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP5_MIN 21:20 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP5_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP5_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP5_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP5_MAX 23:22 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP5_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP5_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP5_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP6_MIN 25:24 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP6_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP6_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP6_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP6_MAX 27:26 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP6_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP6_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP6_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP7_MIN 29:28 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP7_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP7_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP7_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP7_MAX 31:30 /* RWNVF */ -#define NV_PGRAPH_CLIPY_0_CLIP7_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_0_CLIP7_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_0_CLIP7_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1 0x00400530 /* RW-4R */ -#define NV_PGRAPH_CLIPY_1_CLIP8_MIN 1:0 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP8_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP8_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP8_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP8_MAX 3:2 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP8_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP8_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP8_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP9_MIN 5:4 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP9_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP9_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP9_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP9_MAX 7:6 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP9_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP9_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP9_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP10_MIN 9:8 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP10_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP10_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP10_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP10_MAX 11:10 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP10_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP10_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP10_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP11_MIN 13:12 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP11_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP11_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP11MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP11_MAX 15:14 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP11_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP11_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP11_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP12_MIN 17:16 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP12_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP12_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP12_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP12_MAX 19:18 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP12_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP12_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP12_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP13_MIN 21:20 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP13_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP13_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP13_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP13_MAX 23:22 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP13_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP13_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP13_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP14_MIN 25:24 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP14_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP14_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP14_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP14_MAX 27:26 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP14_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP14_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP14_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP15_MIN 29:28 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP15_MIN_GT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP15_MIN_LT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP15_MIN_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP15_MAX 31:30 /* RWNVF */ -#define NV_PGRAPH_CLIPY_1_CLIP15_MAX_LT 0x00000000 /* RW--V */ -#define NV_PGRAPH_CLIPY_1_CLIP15_MAX_GT 0x00000001 /* RWN-V */ -#define NV_PGRAPH_CLIPY_1_CLIP15_MAX_EQ 0x00000002 /* RW--V */ -#define NV_PGRAPH_MISC24_0 0x00400510 /* RW-4R */ -#define NV_PGRAPH_MISC24_0_VALUE 23:0 /* RWXUF */ -#define NV_PGRAPH_MISC24_1 0x00400570 /* RW-4R */ -#define NV_PGRAPH_MISC24_1_VALUE 23:0 /* RWXUF */ -#define NV_PGRAPH_MISC24_2 0x00400574 /* RW-4R */ -#define NV_PGRAPH_MISC24_2_VALUE 23:0 /* RWXUF */ -#define NV_PGRAPH_PASSTHRU_0 0x0040057C /* RW-4R */ -#define NV_PGRAPH_PASSTHRU_0_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_PASSTHRU_1 0x00400580 /* RW-4R */ -#define NV_PGRAPH_PASSTHRU_1_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_PASSTHRU_2 0x00400584 /* RW-4R */ -#define NV_PGRAPH_PASSTHRU_2_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_U_RAM(i) (0x00400d00+(i)*4) /* RW-4A */ -#define NV_PGRAPH_U_RAM__SIZE_1 16 /* */ -#define NV_PGRAPH_U_RAM_VALUE 31:6 /* RWXFF */ -#define NV_PGRAPH_V_RAM(i) (0x00400d40+(i)*4) /* RW-4A */ -#define NV_PGRAPH_V_RAM__SIZE_1 16 /* */ -#define NV_PGRAPH_V_RAM_VALUE 31:6 /* RWXFF */ -#define NV_PGRAPH_M_RAM(i) (0x00400d80+(i)*4) /* RW-4A */ -#define NV_PGRAPH_M_RAM__SIZE_1 16 /* */ -#define NV_PGRAPH_M_RAM_VALUE 31:6 /* RWXFF */ -#define NV_PGRAPH_DMA_START_0 0x00401000 /* RW-4R */ -#define NV_PGRAPH_DMA_START_0_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_DMA_START_1 0x00401004 /* RW-4R */ -#define NV_PGRAPH_DMA_START_1_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_DMA_LENGTH 0x00401008 /* RW-4R */ -#define NV_PGRAPH_DMA_LENGTH_VALUE 21:0 /* RWXUF */ -#define NV_PGRAPH_DMA_MISC 0x0040100C /* RW-4R */ -#define NV_PGRAPH_DMA_MISC_COUNT 15:0 /* RWXUF */ -#define NV_PGRAPH_DMA_MISC_FMT_SRC 18:16 /* RWXVF */ -#define NV_PGRAPH_DMA_MISC_FMT_DST 22:20 /* RWXVF */ -#define NV_PGRAPH_DMA_DATA_0 0x00401020 /* RW-4R */ -#define NV_PGRAPH_DMA_DATA_0_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_DMA_DATA_1 0x00401024 /* RW-4R */ -#define NV_PGRAPH_DMA_DATA_1_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_DMA_RM 0x00401030 /* RW-4R */ -#define NV_PGRAPH_DMA_RM_ASSIST_A 0:0 /* RWIVF */ -#define NV_PGRAPH_DMA_RM_ASSIST_A_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_DMA_RM_ASSIST_A_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_DMA_RM_ASSIST_A_RESET 0x00000001 /* -W--C */ -#define NV_PGRAPH_DMA_RM_ASSIST_B 1:1 /* RWIVF */ -#define NV_PGRAPH_DMA_RM_ASSIST_B_NOT_PENDING 0x00000000 /* R-I-V */ -#define NV_PGRAPH_DMA_RM_ASSIST_B_PENDING 0x00000001 /* R---V */ -#define NV_PGRAPH_DMA_RM_ASSIST_B_RESET 0x00000001 /* -W--C */ -#define NV_PGRAPH_DMA_RM_WRITE_REQ 4:4 /* CWIVF */ -#define NV_PGRAPH_DMA_RM_WRITE_REQ_NOT_PENDING 0x00000000 /* CWI-V */ -#define NV_PGRAPH_DMA_RM_WRITE_REQ_PENDING 0x00000001 /* -W--T */ -#define NV_PGRAPH_DMA_A_XLATE_INST 0x00401040 /* RW-4R */ -#define NV_PGRAPH_DMA_A_XLATE_INST_VALUE 15:0 /* RWXUF */ -#define NV_PGRAPH_DMA_A_CONTROL 0x00401044 /* RW-4R */ -#define NV_PGRAPH_DMA_A_CONTROL_PAGE_TABLE 12:12 /* RWIVF */ -#define NV_PGRAPH_DMA_A_CONTROL_PAGE_TABLE_NOT_PRESENT 0x00000000 /* RWI-V */ -#define NV_PGRAPH_DMA_A_CONTROL_PAGE_TABLE_PRESENT 0x00000001 /* RW--V */ -#define NV_PGRAPH_DMA_A_CONTROL_PAGE_ENTRY 13:13 /* RWXVF */ -#define NV_PGRAPH_DMA_A_CONTROL_PAGE_ENTRY_NOT_LINEAR 0x00000000 /* RW--V */ -#define NV_PGRAPH_DMA_A_CONTROL_PAGE_ENTRY_LINEAR 0x00000001 /* RW--V */ -#define NV_PGRAPH_DMA_A_CONTROL_TARGET_NODE 17:16 /* RWXUF */ -#define NV_PGRAPH_DMA_A_CONTROL_TARGET_NODE_NVM 0x00000000 /* RW--V */ -#define NV_PGRAPH_DMA_A_CONTROL_TARGET_NODE_PCI 0x00000002 /* RW--V */ -#define NV_PGRAPH_DMA_A_CONTROL_TARGET_NODE_AGP 0x00000003 /* RW--V */ -#define NV_PGRAPH_DMA_A_CONTROL_ADJUST 31:20 /* RWXUF */ -#define NV_PGRAPH_DMA_A_LIMIT 0x00401048 /* RW-4R */ -#define NV_PGRAPH_DMA_A_LIMIT_OFFSET 31:0 /* RWXUF */ -#define NV_PGRAPH_DMA_A_TLB_PTE 0x0040104C /* RW-4R */ -#define NV_PGRAPH_DMA_A_TLB_PTE_ACCESS 1:1 /* RWXVF */ -#define NV_PGRAPH_DMA_A_TLB_PTE_ACCESS_READ_ONLY 0x00000000 /* RW--V */ -#define NV_PGRAPH_DMA_A_TLB_PTE_ACCESS_READ_WRITE 0x00000001 /* RW--V */ -#define NV_PGRAPH_DMA_A_TLB_PTE_FRAME_ADDRESS 31:12 /* RWXUF */ -#define NV_PGRAPH_DMA_A_TLB_TAG 0x00401050 /* RW-4R */ -#define NV_PGRAPH_DMA_A_TLB_TAG_ADDRESS 31:12 /* RWXUF */ -#define NV_PGRAPH_DMA_A_ADJ_OFFSET 0x00401054 /* RW-4R */ -#define NV_PGRAPH_DMA_A_ADJ_OFFSET_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_DMA_A_OFFSET 0x00401058 /* RW-4R */ -#define NV_PGRAPH_DMA_A_OFFSET_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_DMA_A_SIZE 0x0040105C /* RW-4R */ -#define NV_PGRAPH_DMA_A_SIZE_VALUE 24:0 /* RWXUF */ -#define NV_PGRAPH_DMA_A_Y_SIZE 0x00401060 /* RW-4R */ -#define NV_PGRAPH_DMA_A_Y_SIZE_VALUE 10:0 /* RWXUF */ -#define NV_PGRAPH_DMA_B_XLATE_INST 0x00401080 /* RW-4R */ -#define NV_PGRAPH_DMA_B_XLATE_INST_VALUE 15:0 /* RWXUF */ -#define NV_PGRAPH_DMA_B_CONTROL 0x00401084 /* RW-4R */ -#define NV_PGRAPH_DMA_B_CONTROL_PAGE_TABLE 12:12 /* RWIVF */ -#define NV_PGRAPH_DMA_B_CONTROL_PAGE_TABLE_NOT_PRESENT 0x00000000 /* RWI-V */ -#define NV_PGRAPH_DMA_B_CONTROL_PAGE_TABLE_PRESENT 0x00000001 /* RW--V */ -#define NV_PGRAPH_DMA_B_CONTROL_PAGE_ENTRY 13:13 /* RWXVF */ -#define NV_PGRAPH_DMA_B_CONTROL_PAGE_ENTRY_NOT_LINEAR 0x00000000 /* RW--V */ -#define NV_PGRAPH_DMA_B_CONTROL_PAGE_ENTRY_LINEAR 0x00000001 /* RW--V */ -#define NV_PGRAPH_DMA_B_CONTROL_TARGET_NODE 17:16 /* RWXUF */ -#define NV_PGRAPH_DMA_B_CONTROL_TARGET_NODE_NVM 0x00000000 /* RW--V */ -#define NV_PGRAPH_DMA_B_CONTROL_TARGET_NODE_PCI 0x00000002 /* RW--V */ -#define NV_PGRAPH_DMA_B_CONTROL_TARGET_NODE_AGP 0x00000003 /* RW--V */ -#define NV_PGRAPH_DMA_B_CONTROL_ADJUST 31:20 /* RWXUF */ -#define NV_PGRAPH_DMA_B_LIMIT 0x00401088 /* RW-4R */ -#define NV_PGRAPH_DMA_B_LIMIT_OFFSET 31:0 /* RWXUF */ -#define NV_PGRAPH_DMA_B_TLB_PTE 0x0040108C /* RW-4R */ -#define NV_PGRAPH_DMA_B_TLB_PTE_ACCESS 1:1 /* RWXVF */ -#define NV_PGRAPH_DMA_B_TLB_PTE_ACCESS_READ_ONLY 0x00000000 /* RW--V */ -#define NV_PGRAPH_DMA_B_TLB_PTE_ACCESS_READ_WRITE 0x00000001 /* RW--V */ -#define NV_PGRAPH_DMA_B_TLB_PTE_FRAME_ADDRESS 31:12 /* RWXUF */ -#define NV_PGRAPH_DMA_B_TLB_TAG 0x00401090 /* RW-4R */ -#define NV_PGRAPH_DMA_B_TLB_TAG_ADDRESS 31:12 /* RWXUF */ -#define NV_PGRAPH_DMA_B_ADJ_OFFSET 0x00401094 /* RW-4R */ -#define NV_PGRAPH_DMA_B_ADJ_OFFSET_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_DMA_B_OFFSET 0x00401098 /* RW-4R */ -#define NV_PGRAPH_DMA_B_OFFSET_VALUE 31:0 /* RWXUF */ -#define NV_PGRAPH_DMA_B_SIZE 0x0040109C /* RW-4R */ -#define NV_PGRAPH_DMA_B_SIZE_VALUE 24:0 /* RWXUF */ -#define NV_PGRAPH_DMA_B_Y_SIZE 0x004010A0 /* RW-4R */ -#define NV_PGRAPH_DMA_B_Y_SIZE_VALUE 10:0 /* RWXUF */ - -/* Framebuffer registers */ -#define NV_PFB 0x00100FFF:0x00100000 /* RW--D */ -#define NV_PFB_BOOT_0 0x00100000 /* RW-4R */ -#define NV_PFB_BOOT_0_RAM_AMOUNT 1:0 /* RW-VF */ -#define NV_PFB_BOOT_0_RAM_AMOUNT_32MB 0x00000000 /* RW--V */ -#define NV_PFB_BOOT_0_RAM_AMOUNT_4MB 0x00000001 /* RW--V */ -#define NV_PFB_BOOT_0_RAM_AMOUNT_8MB 0x00000002 /* RW--V */ -#define NV_PFB_BOOT_0_RAM_AMOUNT_16MB 0x00000003 /* RW--V */ -#define NV_PFB_BOOT_0_RAM_WIDTH_128 2:2 /* RW-VF */ -#define NV_PFB_BOOT_0_RAM_WIDTH_128_OFF 0x00000000 /* RW--V */ -#define NV_PFB_BOOT_0_RAM_WIDTH_128_ON 0x00000001 /* RW--V */ -#define NV_PFB_BOOT_0_RAM_TYPE 4:3 /* RW-VF */ -#define NV_PFB_BOOT_0_RAM_TYPE_256K 0x00000000 /* RW--V */ -#define NV_PFB_BOOT_0_RAM_TYPE_512K_2BANK 0x00000001 /* RW--V */ -#define NV_PFB_BOOT_0_RAM_TYPE_512K_4BANK 0x00000002 /* RW--V */ -#define NV_PFB_BOOT_0_RAM_TYPE_1024K_2BANK 0x00000003 /* RW--V */ -#define NV_PFB_CONFIG_0 0x00100200 /* RW-4R */ -#define NV_PFB_CONFIG_0_TYPE 14:0 /* RWIVF */ -#define NV_PFB_CONFIG_0_TYPE_OLD1024_FIXED_8BPP 0x00000120 /* RW--V */ -#define NV_PFB_CONFIG_0_TYPE_OLD1024_FIXED_16BPP 0x00000220 /* RW--V */ -#define NV_PFB_CONFIG_0_TYPE_OLD1024_FIXED_32BPP 0x00000320 /* RW--V */ -#define NV_PFB_CONFIG_0_TYPE_OLD1024_VAR_8BPP 0x00004120 /* RW--V */ -#define NV_PFB_CONFIG_0_TYPE_OLD1024_VAR_16BPP 0x00004220 /* RW--V */ -#define NV_PFB_CONFIG_0_TYPE_OLD1024_VAR_32BPP 0x00004320 /* RW--V */ -#define NV_PFB_CONFIG_0_TYPE_TETRIS 0x00002000 /* RW--V */ -#define NV_PFB_CONFIG_0_TYPE_NOTILING 0x00001114 /* RWI-V */ -#define NV_PFB_CONFIG_0_TETRIS_MODE 17:15 /* RWI-F */ -#define NV_PFB_CONFIG_0_TETRIS_MODE_PASS 0x00000000 /* RWI-V */ -#define NV_PFB_CONFIG_0_TETRIS_MODE_1 0x00000001 /* RW--V */ -#define NV_PFB_CONFIG_0_TETRIS_MODE_2 0x00000002 /* RW--V */ -#define NV_PFB_CONFIG_0_TETRIS_MODE_3 0x00000003 /* RW--V */ -#define NV_PFB_CONFIG_0_TETRIS_MODE_4 0x00000004 /* RW--V */ -#define NV_PFB_CONFIG_0_TETRIS_MODE_5 0x00000005 /* RW--V */ -#define NV_PFB_CONFIG_0_TETRIS_MODE_6 0x00000006 /* RW--V */ -#define NV_PFB_CONFIG_0_TETRIS_MODE_7 0x00000007 /* RW--V */ -#define NV_PFB_CONFIG_0_TETRIS_SHIFT 19:18 /* RWI-F */ -#define NV_PFB_CONFIG_0_TETRIS_SHIFT_0 0x00000000 /* RWI-V */ -#define NV_PFB_CONFIG_0_TETRIS_SHIFT_1 0x00000001 /* RW--V */ -#define NV_PFB_CONFIG_0_TETRIS_SHIFT_2 0x00000002 /* RW--V */ -#define NV_PFB_CONFIG_0_BANK_SWAP 22:20 /* RWI-F */ -#define NV_PFB_CONFIG_0_BANK_SWAP_OFF 0x00000000 /* RWI-V */ -#define NV_PFB_CONFIG_0_BANK_SWAP_1M 0x00000001 /* RW--V */ -#define NV_PFB_CONFIG_0_BANK_SWAP_2M 0x00000005 /* RW--V */ -#define NV_PFB_CONFIG_0_BANK_SWAP_4M 0x00000007 /* RW--V */ -#define NV_PFB_CONFIG_0_UNUSED 23:23 /* RW-VF */ -#define NV_PFB_CONFIG_0_SCRAMBLE_EN 29:29 /* RWIVF */ -#define NV_PFB_CONFIG_0_SCRAMBLE_EN_INIT 0x00000000 /* RW--V */ -#define NV_PFB_CONFIG_0_SCRAMBLE_ACTIVE 0x00000001 /* RW--V */ -#define NV_PFB_CONFIG_0_PRAMIN_WR 28:28 /* RWIVF */ -#define NV_PFB_CONFIG_0_PRAMIN_WR_INIT 0x00000000 /* RW--V */ -#define NV_PFB_CONFIG_0_PRAMIN_WR_DISABLED 0x00000001 /* RW--V */ -#define NV_PFB_CONFIG_0_PRAMIN_WR_MASK 27:24 /* RWIVF */ -#define NV_PFB_CONFIG_0_PRAMIN_WR_MASK_INIT 0x00000000 /* RWI-V */ -#define NV_PFB_CONFIG_0_PRAMIN_WR_MASK_CLEAR 0x0000000f /* RWI-V */ -#define NV_PFB_CONFIG_1 0x00100204 /* RW-4R */ -#define NV_PFB_RTL 0x00100300 /* RW-4R */ -#define NV_PFB_RTL_H 0:0 /* RWIUF */ -#define NV_PFB_RTL_H_DEFAULT 0x00000000 /* RWI-V */ -#define NV_PFB_RTL_MC 1:1 /* RWIUF */ -#define NV_PFB_RTL_MC_DEFAULT 0x00000000 /* RWI-V */ -#define NV_PFB_RTL_V 2:2 /* RWIUF */ -#define NV_PFB_RTL_V_DEFAULT 0x00000000 /* RWI-V */ -#define NV_PFB_RTL_G 3:3 /* RWIUF */ -#define NV_PFB_RTL_G_DEFAULT 0x00000000 /* RWI-V */ -#define NV_PFB_RTL_GB 4:4 /* RWIUF */ -#define NV_PFB_RTL_GB_DEFAULT 0x00000000 /* RWI-V */ -#define NV_PFB_CONFIG_0_RESOLUTION 5:0 /* RWIVF */ -#define NV_PFB_CONFIG_0_RESOLUTION_320_PIXELS 0x0000000a /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_400_PIXELS 0x0000000d /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_480_PIXELS 0x0000000f /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_512_PIXELS 0x00000010 /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_640_PIXELS 0x00000014 /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_800_PIXELS 0x00000019 /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_960_PIXELS 0x0000001e /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_1024_PIXELS 0x00000020 /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_1152_PIXELS 0x00000024 /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_1280_PIXELS 0x00000028 /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_1600_PIXELS 0x00000032 /* RW--V */ -#define NV_PFB_CONFIG_0_RESOLUTION_DEFAULT 0x00000014 /* RWI-V */ -#define NV_PFB_CONFIG_0_PIXEL_DEPTH 9:8 /* RWIVF */ -#define NV_PFB_CONFIG_0_PIXEL_DEPTH_8_BITS 0x00000001 /* RW--V */ -#define NV_PFB_CONFIG_0_PIXEL_DEPTH_16_BITS 0x00000002 /* RW--V */ -#define NV_PFB_CONFIG_0_PIXEL_DEPTH_32_BITS 0x00000003 /* RW--V */ -#define NV_PFB_CONFIG_0_PIXEL_DEPTH_DEFAULT 0x00000001 /* RWI-V */ -#define NV_PFB_CONFIG_0_TILING 12:12 /* RWIVF */ -#define NV_PFB_CONFIG_0_TILING_ENABLED 0x00000000 /* RW--V */ -#define NV_PFB_CONFIG_0_TILING_DISABLED 0x00000001 /* RWI-V */ -#define NV_PFB_CONFIG_1_SGRAM100 3:3 /* RWIVF */ -#define NV_PFB_CONFIG_1_SGRAM100_ENABLED 0x00000000 /* RWI-V */ -#define NV_PFB_CONFIG_1_SGRAM100_DISABLED 0x00000001 /* RW--V */ -#define NV_PFB_DEBUG_0_CKE_ALWAYSON 29:29 /* RWIVF */ -#define NV_PFB_DEBUG_0_CKE_ALWAYSON_OFF 0x00000000 /* RW--V */ -#define NV_PFB_DEBUG_0_CKE_ALWAYSON_ON 0x00000001 /* RWI-V */ - -#define NV_PEXTDEV 0x00101FFF:0x00101000 /* RW--D */ -#define NV_PEXTDEV_BOOT_0 0x00101000 /* R--4R */ -#define NV_PEXTDEV_BOOT_0_STRAP_BUS_SPEED 0:0 /* R-XVF */ -#define NV_PEXTDEV_BOOT_0_STRAP_BUS_SPEED_33MHZ 0x00000000 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_BUS_SPEED_66MHZ 0x00000001 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_SUB_VENDOR 1:1 /* R-XVF */ -#define NV_PEXTDEV_BOOT_0_STRAP_SUB_VENDOR_NO_BIOS 0x00000000 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_SUB_VENDOR_BIOS 0x00000001 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_RAM_TYPE 3:2 /* R-XVF */ -#define NV_PEXTDEV_BOOT_0_STRAP_RAM_TYPE_SGRAM_256K 0x00000000 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_RAM_TYPE_SGRAM_512K_2BANK 0x00000001 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_RAM_TYPE_SGRAM_512K_4BANK 0x00000002 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_RAM_TYPE_1024K_2BANK 0x00000003 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_RAM_WIDTH 4:4 /* R-XVF */ -#define NV_PEXTDEV_BOOT_0_STRAP_RAM_WIDTH_64 0x00000000 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_RAM_WIDTH_128 0x00000001 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_BUS_TYPE 5:5 /* R-XVF */ -#define NV_PEXTDEV_BOOT_0_STRAP_BUS_TYPE_PCI 0x00000000 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_BUS_TYPE_AGP 0x00000001 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_CRYSTAL 6:6 /* R-XVF */ -#define NV_PEXTDEV_BOOT_0_STRAP_CRYSTAL_13500K 0x00000000 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_CRYSTAL_14318180 0x00000001 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_TVMODE 8:7 /* R-XVF */ -#define NV_PEXTDEV_BOOT_0_STRAP_TVMODE_SECAM 0x00000000 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_TVMODE_NTSC 0x00000001 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_TVMODE_PAL 0x00000002 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_TVMODE_DISABLED 0x00000003 /* R---V */ -#define NV_PEXTDEV_BOOT_0_STRAP_OVERWRITE 11:11 /* RWIVF */ -#define NV_PEXTDEV_BOOT_0_STRAP_OVERWRITE_DISABLED 0x00000000 /* RWI-V */ -#define NV_PEXTDEV_BOOT_0_STRAP_OVERWRITE_ENABLED 0x00000001 /* RW--V */ - -/* Extras */ -#define NV_PRAMIN 0x007FFFFF:0x00700000 /* RW--M */ -/*#define NV_PRAMIN 0x00FFFFFF:0x00C00000*/ -#define NV_PNVM 0x01FFFFFF:0x01000000 /* RW--M */ -/*#define NV_PNVM 0x00BFFFFF:0x00800000*/ -#define NV_CHAN0 0x0080ffff:0x00800000 - -/* FIFO subchannels */ -#define NV_UROP 0x43 -#define NV_UCHROMA 0x57 -#define NV_UCLIP 0x19 -#define NV_UPATT 0x18 -#define NV_ULIN 0x5C -#define NV_UTRI 0x5D -#define NV_URECT 0x5E -#define NV_UBLIT 0x5F -#define NV_UGLYPH 0x4B - -#endif /*__NV4REF_H__*/ - diff --git a/drivers/video/riva/nv_driver.c b/drivers/video/riva/nv_driver.c index be630a0ccfd..a11026812d1 100644 --- a/drivers/video/riva/nv_driver.c +++ b/drivers/video/riva/nv_driver.c @@ -231,12 +231,14 @@ unsigned long riva_get_memlen(struct riva_par *par) case NV_ARCH_30: if(chipset == NV_CHIP_IGEFORCE2) { - dev = pci_find_slot(0, 1); + dev = pci_get_bus_and_slot(0, 1); pci_read_config_dword(dev, 0x7C, &amt); + pci_dev_put(dev); memlen = (((amt >> 6) & 31) + 1) * 1024; } else if (chipset == NV_CHIP_0x01F0) { - dev = pci_find_slot(0, 1); + dev = pci_get_bus_and_slot(0, 1); pci_read_config_dword(dev, 0x84, &amt); + pci_dev_put(dev); memlen = (((amt >> 4) & 127) + 1) * 1024; } else { switch ((NV_RD32(chip->PFB, 0x0000020C) >> 20) & diff --git a/drivers/video/riva/riva_hw.c b/drivers/video/riva/riva_hw.c index e0b8c521cc9..70bfd78eca8 100644 --- a/drivers/video/riva/riva_hw.c +++ b/drivers/video/riva/riva_hw.c @@ -1118,8 +1118,9 @@ static void nForceUpdateArbitrationSettings unsigned int uMClkPostDiv; struct pci_dev *dev; - dev = pci_find_slot(0, 3); + dev = pci_get_bus_and_slot(0, 3); pci_read_config_dword(dev, 0x6C, &uMClkPostDiv); + pci_dev_put(dev); uMClkPostDiv = (uMClkPostDiv >> 8) & 0xf; if(!uMClkPostDiv) uMClkPostDiv = 4; @@ -1132,8 +1133,9 @@ static void nForceUpdateArbitrationSettings sim_data.enable_video = 0; sim_data.enable_mp = 0; - dev = pci_find_slot(0, 1); + dev = pci_get_bus_and_slot(0, 1); pci_read_config_dword(dev, 0x7C, &sim_data.memory_type); + pci_dev_put(dev); sim_data.memory_type = (sim_data.memory_type >> 12) & 1; sim_data.memory_width = 64; @@ -2112,12 +2114,14 @@ static void nv10GetConfig * Fill in chip configuration. */ if(chipset == NV_CHIP_IGEFORCE2) { - dev = pci_find_slot(0, 1); + dev = pci_get_bus_and_slot(0, 1); pci_read_config_dword(dev, 0x7C, &amt); + pci_dev_put(dev); chip->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024; } else if(chipset == NV_CHIP_0x01F0) { - dev = pci_find_slot(0, 1); + dev = pci_get_bus_and_slot(0, 1); pci_read_config_dword(dev, 0x84, &amt); + pci_dev_put(dev); chip->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024; } else { switch ((NV_RD32(chip->PFB, 0x0000020C) >> 20) & 0x000000FF) diff --git a/drivers/video/riva/rivafb-i2c.c b/drivers/video/riva/rivafb-i2c.c index 0405e839ff9..76e6ce353c8 100644 --- a/drivers/video/riva/rivafb-i2c.c +++ b/drivers/video/riva/rivafb-i2c.c @@ -88,13 +88,16 @@ static int riva_gpio_getsda(void* data) return val; } -static int riva_setup_i2c_bus(struct riva_i2c_chan *chan, const char *name) +static int __devinit riva_setup_i2c_bus(struct riva_i2c_chan *chan, + const char *name, + unsigned int i2c_class) { int rc; strcpy(chan->adapter.name, name); chan->adapter.owner = THIS_MODULE; chan->adapter.id = I2C_HW_B_RIVA; + chan->adapter.class = i2c_class; chan->adapter.algo_data = &chan->algo; chan->adapter.dev.parent = &chan->par->pdev->dev; chan->algo.setsda = riva_gpio_setsda; @@ -124,42 +127,38 @@ static int riva_setup_i2c_bus(struct riva_i2c_chan *chan, const char *name) return rc; } -void riva_create_i2c_busses(struct riva_par *par) +void __devinit riva_create_i2c_busses(struct riva_par *par) { - par->bus = 3; - par->chan[0].par = par; par->chan[1].par = par; par->chan[2].par = par; - par->chan[0].ddc_base = 0x3e; - par->chan[1].ddc_base = 0x36; + par->chan[0].ddc_base = 0x36; + par->chan[1].ddc_base = 0x3e; par->chan[2].ddc_base = 0x50; - riva_setup_i2c_bus(&par->chan[0], "BUS1"); - riva_setup_i2c_bus(&par->chan[1], "BUS2"); - riva_setup_i2c_bus(&par->chan[2], "BUS3"); + riva_setup_i2c_bus(&par->chan[0], "BUS1", I2C_CLASS_HWMON); + riva_setup_i2c_bus(&par->chan[1], "BUS2", 0); + riva_setup_i2c_bus(&par->chan[2], "BUS3", 0); } void riva_delete_i2c_busses(struct riva_par *par) { - if (par->chan[0].par) - i2c_del_adapter(&par->chan[0].adapter); - par->chan[0].par = NULL; - - if (par->chan[1].par) - i2c_del_adapter(&par->chan[1].adapter); - par->chan[1].par = NULL; + int i; - if (par->chan[2].par) - i2c_del_adapter(&par->chan[2].adapter); - par->chan[2].par = NULL; + for (i = 0; i < 3; i++) { + if (!par->chan[i].par) + continue; + i2c_del_adapter(&par->chan[i].adapter); + par->chan[i].par = NULL; + } } -int riva_probe_i2c_connector(struct riva_par *par, int conn, u8 **out_edid) +int __devinit riva_probe_i2c_connector(struct riva_par *par, int conn, u8 **out_edid) { u8 *edid = NULL; - edid = fb_ddc_read(&par->chan[conn-1].adapter); + if (par->chan[conn].par) + edid = fb_ddc_read(&par->chan[conn].adapter); if (out_edid) *out_edid = edid; diff --git a/drivers/video/riva/rivafb.h b/drivers/video/riva/rivafb.h index 48ead6d72f2..d9f107b704c 100644 --- a/drivers/video/riva/rivafb.h +++ b/drivers/video/riva/rivafb.h @@ -4,7 +4,6 @@ #include <linux/fb.h> #include <video/vga.h> #include <linux/i2c.h> -#include <linux/i2c-id.h> #include <linux/i2c-algo-bit.h> #include "riva_hw.h" @@ -61,7 +60,6 @@ struct riva_par { Bool SecondCRTC; int FlatPanel; struct pci_dev *pdev; - int bus; int cursor_reset; #ifdef CONFIG_MTRR struct { int vram; int vram_valid; } mtrr; diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c index 3091b20124b..756fafb41d7 100644 --- a/drivers/video/s3fb.c +++ b/drivers/video/s3fb.c @@ -65,7 +65,7 @@ static const struct svga_fb_format s3fb_formats[] = { static const struct svga_pll s3_pll = {3, 129, 3, 33, 0, 3, - 60000, 240000, 14318}; + 35000, 240000, 14318}; static const int s3_memsizes[] = {4096, 0, 3072, 8192, 2048, 6144, 1024, 512}; @@ -164,7 +164,7 @@ MODULE_PARM_DESC(fasttext, "Enable S3 fast text mode (1=enable, 0=disable, defau static void s3fb_settile_fast(struct fb_info *info, struct fb_tilemap *map) { const u8 *font = map->data; - u8* fb = (u8 *) info->screen_base; + u8 __iomem *fb = (u8 __iomem *) info->screen_base; int i, c; if ((map->width != 8) || (map->height != 16) || @@ -177,20 +177,19 @@ static void s3fb_settile_fast(struct fb_info *info, struct fb_tilemap *map) fb += 2; for (i = 0; i < map->height; i++) { for (c = 0; c < map->length; c++) { - fb[c * 4] = font[c * map->height + i]; + fb_writeb(font[c * map->height + i], fb + c * 4); } fb += 1024; } } - - static struct fb_tile_ops s3fb_tile_ops = { .fb_settile = svga_settile, .fb_tilecopy = svga_tilecopy, .fb_tilefill = svga_tilefill, .fb_tileblit = svga_tileblit, .fb_tilecursor = svga_tilecursor, + .fb_get_tilemax = svga_get_tilemax, }; static struct fb_tile_ops s3fb_fast_tile_ops = { @@ -199,6 +198,7 @@ static struct fb_tile_ops s3fb_fast_tile_ops = { .fb_tilefill = svga_tilefill, .fb_tileblit = svga_tileblit, .fb_tilecursor = svga_tilecursor, + .fb_get_tilemax = svga_get_tilemax, }; @@ -326,8 +326,13 @@ static void s3_set_pixclock(struct fb_info *info, u32 pixclock) { u16 m, n, r; u8 regval; + int rv; - svga_compute_pll(&s3_pll, 1000000000 / pixclock, &m, &n, &r, info->node); + rv = svga_compute_pll(&s3_pll, 1000000000 / pixclock, &m, &n, &r, info->node); + if (rv < 0) { + printk(KERN_ERR "fb%d: cannot set requested pixclock, keeping old value\n", info->node); + return; + } /* Set VGA misc register */ regval = vga_r(NULL, VGA_MIS_R); @@ -449,6 +454,10 @@ static int s3fb_set_par(struct fb_info *info) info->flags &= ~FBINFO_MISC_TILEBLITTING; info->tileops = NULL; + /* in 4bpp supports 8p wide tiles only, any tiles otherwise */ + info->pixmap.blit_x = (bpp == 4) ? (1 << (8 - 1)) : (~(u32)0); + info->pixmap.blit_y = ~(u32)0; + offset_value = (info->var.xres_virtual * bpp) / 64; screen_size = info->var.yres_virtual * info->fix.line_length; } else { @@ -458,6 +467,10 @@ static int s3fb_set_par(struct fb_info *info) info->flags |= FBINFO_MISC_TILEBLITTING; info->tileops = fasttext ? &s3fb_fast_tile_ops : &s3fb_tile_ops; + /* supports 8x16 tiles only */ + info->pixmap.blit_x = 1 << (8 - 1); + info->pixmap.blit_y = 1 << (16 - 1); + offset_value = info->var.xres_virtual / 16; screen_size = (info->var.xres_virtual * info->var.yres_virtual) / 64; } @@ -656,7 +669,7 @@ static int s3fb_set_par(struct fb_info *info) value = ((value * hmul) / 8) - 5; vga_wcrt(NULL, 0x3C, (value + 1) / 2); - memset((u8*)info->screen_base, 0x00, screen_size); + memset_io(info->screen_base, 0x00, screen_size); /* Device and screen back on */ svga_wcrt_mask(0x17, 0x80, 0x80); svga_wseq_mask(0x01, 0x00, 0x20); @@ -699,7 +712,7 @@ static int s3fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, break; case 16: if (regno >= 16) - return -EINVAL; + return 0; if (fb->var.green.length == 5) ((u32*)fb->pseudo_palette)[regno] = ((red & 0xF800) >> 1) | @@ -712,9 +725,9 @@ static int s3fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, case 24: case 32: if (regno >= 16) - return -EINVAL; + return 0; - ((u32*)fb->pseudo_palette)[regno] = ((transp & 0xFF00) << 16) | ((red & 0xFF00) << 8) | + ((u32*)fb->pseudo_palette)[regno] = ((red & 0xFF00) << 8) | (green & 0xFF00) | ((blue & 0xFF00) >> 8); break; default: @@ -767,12 +780,6 @@ static int s3fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) unsigned int offset; - /* Validate the offsets */ - if ((var->xoffset + var->xres) > var->xres_virtual) - return -EINVAL; - if ((var->yoffset + var->yres) > var->yres_virtual) - return -EINVAL; - /* Calculate the offset */ if (var->bits_per_pixel == 0) { offset = (var->yoffset / 16) * (var->xres_virtual / 2) + (var->xoffset / 2); @@ -789,6 +796,23 @@ static int s3fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) return 0; } +/* Get capabilities of accelerator based on the mode */ + +static void s3fb_get_caps(struct fb_info *info, struct fb_blit_caps *caps, + struct fb_var_screeninfo *var) +{ + if (var->bits_per_pixel == 0) { + /* can only support 256 8x16 bitmap */ + caps->x = 1 << (8 - 1); + caps->y = 1 << (16 - 1); + caps->len = 256; + } else { + caps->x = ~(u32)0; + caps->y = ~(u32)0; + caps->len = ~(u32)0; + } +} + /* ------------------------------------------------------------------------- */ /* Frame buffer operations */ @@ -805,6 +829,7 @@ static struct fb_ops s3fb_ops = { .fb_fillrect = s3fb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = s3fb_imageblit, + .fb_get_caps = s3fb_get_caps, }; /* ------------------------------------------------------------------------- */ @@ -1061,6 +1086,7 @@ static int s3_pci_resume(struct pci_dev* dev) { struct fb_info *info = pci_get_drvdata(dev); struct s3fb_info *par = info->par; + int err; dev_info(&(dev->dev), "resume\n"); @@ -1075,7 +1101,13 @@ static int s3_pci_resume(struct pci_dev* dev) pci_set_power_state(dev, PCI_D0); pci_restore_state(dev); - pci_enable_device(dev); + err = pci_enable_device(dev); + if (err) { + mutex_unlock(&(par->open_lock)); + release_console_sem(); + dev_err(&(dev->dev), "error %d enabling device for resume\n", err); + return err; + } pci_set_master(dev); s3fb_set_par(info); diff --git a/drivers/video/savage/savagefb-i2c.c b/drivers/video/savage/savagefb-i2c.c index 8db066ccca6..35c1ce62b21 100644 --- a/drivers/video/savage/savagefb-i2c.c +++ b/drivers/video/savage/savagefb-i2c.c @@ -41,10 +41,6 @@ #define SAVAGE4_I2C_SCL_IN 0x00000008 #define SAVAGE4_I2C_SDA_IN 0x00000010 -#define SET_CR_IX(base, val) writeb((val), base + 0x8000 + VGA_CR_IX) -#define SET_CR_DATA(base, val) writeb((val), base + 0x8000 + VGA_CR_DATA) -#define GET_CR_DATA(base) readb(base + 0x8000 + VGA_CR_DATA) - static void savage4_gpio_setscl(void *data, int val) { struct savagefb_i2c_chan *chan = data; @@ -92,15 +88,15 @@ static void prosavage_gpio_setscl(void* data, int val) struct savagefb_i2c_chan *chan = data; u32 r; - SET_CR_IX(chan->ioaddr, chan->reg); - r = GET_CR_DATA(chan->ioaddr); + r = VGArCR(chan->reg, chan->par); r |= PROSAVAGE_I2C_ENAB; if (val) { r |= PROSAVAGE_I2C_SCL_OUT; } else { r &= ~PROSAVAGE_I2C_SCL_OUT; } - SET_CR_DATA(chan->ioaddr, r); + + VGAwCR(chan->reg, r, chan->par); } static void prosavage_gpio_setsda(void* data, int val) @@ -108,31 +104,29 @@ static void prosavage_gpio_setsda(void* data, int val) struct savagefb_i2c_chan *chan = data; unsigned int r; - SET_CR_IX(chan->ioaddr, chan->reg); - r = GET_CR_DATA(chan->ioaddr); + r = VGArCR(chan->reg, chan->par); r |= PROSAVAGE_I2C_ENAB; if (val) { r |= PROSAVAGE_I2C_SDA_OUT; } else { r &= ~PROSAVAGE_I2C_SDA_OUT; } - SET_CR_DATA(chan->ioaddr, r); + + VGAwCR(chan->reg, r, chan->par); } static int prosavage_gpio_getscl(void* data) { struct savagefb_i2c_chan *chan = data; - SET_CR_IX(chan->ioaddr, chan->reg); - return (0 != (GET_CR_DATA(chan->ioaddr) & PROSAVAGE_I2C_SCL_IN)); + return (VGArCR(chan->reg, chan->par) & PROSAVAGE_I2C_SCL_IN) ? 1 : 0; } static int prosavage_gpio_getsda(void* data) { struct savagefb_i2c_chan *chan = data; - SET_CR_IX(chan->ioaddr, chan->reg); - return (0 != (GET_CR_DATA(chan->ioaddr) & PROSAVAGE_I2C_SDA_IN)); + return (VGArCR(chan->reg, chan->par) & PROSAVAGE_I2C_SDA_IN) ? 1 : 0; } static int savage_setup_i2c_bus(struct savagefb_i2c_chan *chan, diff --git a/drivers/video/savage/savagefb.h b/drivers/video/savage/savagefb.h index e648a6c0f6d..8bfdfc3c523 100644 --- a/drivers/video/savage/savagefb.h +++ b/drivers/video/savage/savagefb.h @@ -15,6 +15,8 @@ #include <linux/i2c.h> #include <linux/i2c-id.h> #include <linux/i2c-algo-bit.h> +#include <linux/mutex.h> +#include <video/vga.h> #include "../edid.h" #ifdef SAVAGEFB_DEBUG @@ -189,8 +191,12 @@ struct savagefb_par { struct savagefb_i2c_chan chan; struct savage_reg state; struct savage_reg save; + struct savage_reg initial; + struct vgastate vgastate; + struct mutex open_lock; unsigned char *edid; u32 pseudo_palette[16]; + u32 open_count; int paletteEnabled; int pm_state; int display_type; @@ -203,7 +209,7 @@ struct savagefb_par { int clock[4]; int MCLK, REFCLK, LCDclk; struct { - u8 __iomem *vbase; + void __iomem *vbase; u32 pbase; u32 len; #ifdef CONFIG_MTRR @@ -212,7 +218,7 @@ struct savagefb_par { } video; struct { - volatile u8 __iomem *vbase; + void __iomem *vbase; u32 pbase; u32 len; } mmio; diff --git a/drivers/video/savage/savagefb_driver.c b/drivers/video/savage/savagefb_driver.c index 0166ec2ccf3..3d7507ad55f 100644 --- a/drivers/video/savage/savagefb_driver.c +++ b/drivers/video/savage/savagefb_driver.c @@ -1623,8 +1623,46 @@ static void savagefb_restore_state(struct fb_info *info) savagefb_blank(FB_BLANK_UNBLANK, info); } +static int savagefb_open(struct fb_info *info, int user) +{ + struct savagefb_par *par = info->par; + + mutex_lock(&par->open_lock); + + if (!par->open_count) { + memset(&par->vgastate, 0, sizeof(par->vgastate)); + par->vgastate.flags = VGA_SAVE_CMAP | VGA_SAVE_FONTS | + VGA_SAVE_MODE; + par->vgastate.vgabase = par->mmio.vbase + 0x8000; + save_vga(&par->vgastate); + savage_get_default_par(par, &par->initial); + } + + par->open_count++; + mutex_unlock(&par->open_lock); + return 0; +} + +static int savagefb_release(struct fb_info *info, int user) +{ + struct savagefb_par *par = info->par; + + mutex_lock(&par->open_lock); + + if (par->open_count == 1) { + savage_set_default_par(par, &par->initial); + restore_vga(&par->vgastate); + } + + par->open_count--; + mutex_unlock(&par->open_lock); + return 0; +} + static struct fb_ops savagefb_ops = { .owner = THIS_MODULE, + .fb_open = savagefb_open, + .fb_release = savagefb_release, .fb_check_var = savagefb_check_var, .fb_set_par = savagefb_set_par, .fb_setcolreg = savagefb_setcolreg, @@ -2173,6 +2211,7 @@ static int __devinit savagefb_probe(struct pci_dev* dev, if (!info) return -ENOMEM; par = info->par; + mutex_init(&par->open_lock); err = pci_enable_device(dev); if (err) goto failed_enable; diff --git a/drivers/video/sis/osdef.h b/drivers/video/sis/osdef.h index d048bd39961..c1492782cb1 100644 --- a/drivers/video/sis/osdef.h +++ b/drivers/video/sis/osdef.h @@ -58,9 +58,6 @@ #define SIS_LINUX_KERNEL /* Linux kernel framebuffer */ #undef SIS_XORG_XF86 /* XFree86/X.org */ -#undef SIS_LINUX_KERNEL_24 -#undef SIS_LINUX_KERNEL_26 - #ifdef OutPortByte #undef OutPortByte #endif @@ -100,8 +97,6 @@ #define SIS315H #endif -#define SIS_LINUX_KERNEL_26 - #if !defined(SIS300) && !defined(SIS315H) #warning Neither CONFIG_FB_SIS_300 nor CONFIG_FB_SIS_315 is set #warning sisfb will not work! diff --git a/drivers/video/sis/sis.h b/drivers/video/sis/sis.h index 7d5ee2145e2..d5e2d9c2784 100644 --- a/drivers/video/sis/sis.h +++ b/drivers/video/sis/sis.h @@ -27,11 +27,7 @@ #include <linux/version.h> #include "osdef.h" -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) #include <video/sisfb.h> -#else -#include <linux/sisfb.h> -#endif #include "vgatypes.h" #include "vstruct.h" @@ -40,33 +36,17 @@ #define VER_MINOR 8 #define VER_LEVEL 9 -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) #include <linux/spinlock.h> -#define SIS_PCI_GET_CLASS(a, b) pci_get_class(a, b) -#define SIS_PCI_GET_DEVICE(a,b,c) pci_get_device(a,b,c) -#define SIS_PCI_GET_SLOT(a,b) pci_get_slot(a,b) -#define SIS_PCI_PUT_DEVICE(a) pci_dev_put(a) + #ifdef CONFIG_COMPAT #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,10) #include <linux/ioctl32.h> #define SIS_OLD_CONFIG_COMPAT #else -#include <linux/smp_lock.h> #define SIS_NEW_CONFIG_COMPAT #endif #endif /* CONFIG_COMPAT */ -#else /* 2.4 */ -#define SIS_PCI_GET_CLASS(a, b) pci_find_class(a, b) -#define SIS_PCI_GET_DEVICE(a,b,c) pci_find_device(a,b,c) -#define SIS_PCI_GET_SLOT(a,b) pci_find_slot(a,b) -#define SIS_PCI_PUT_DEVICE(a) -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,19) -#ifdef __x86_64__ /* Shouldn't we check for CONFIG_IA32_EMULATION here? */ -#include <asm/ioctl32.h> -#define SIS_OLD_CONFIG_COMPAT -#endif -#endif -#endif /* 2.4 */ + #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,8) #define SIS_IOTYPE1 void __iomem #define SIS_IOTYPE2 __iomem @@ -498,26 +478,8 @@ struct sis_video_info { struct fb_var_screeninfo default_var; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) struct fb_fix_screeninfo sisfb_fix; u32 pseudo_palette[17]; -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - struct display sis_disp; - struct display_switch sisfb_sw; - struct { - u16 red, green, blue, pad; - } sis_palette[256]; - union { -#ifdef FBCON_HAS_CFB16 - u16 cfb16[16]; -#endif -#ifdef FBCON_HAS_CFB32 - u32 cfb32[16]; -#endif - } sis_fbcon_cmap; -#endif struct sisfb_monitor { u16 hmin; @@ -538,10 +500,6 @@ struct sis_video_info { int mni; /* Mode number index */ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - int currcon; -#endif - unsigned long video_size; unsigned long video_base; unsigned long mmio_size; @@ -578,9 +536,6 @@ struct sis_video_info { int sisfb_tvplug; int sisfb_tvstd; int sisfb_nocrt2rate; -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - int sisfb_inverse; -#endif u32 heapstart; /* offset */ SIS_IOTYPE1 *sisfb_heap_start; /* address */ @@ -646,9 +601,7 @@ struct sis_video_info { int modechanged; unsigned char modeprechange; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) u8 sisfb_lastrates[128]; -#endif int newrom; int haveXGIROM; diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c index 01197d74021..a30e1e13d8b 100644 --- a/drivers/video/sis/sis_main.c +++ b/drivers/video/sis/sis_main.c @@ -37,7 +37,6 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/errno.h> #include <linux/string.h> @@ -1948,7 +1947,7 @@ sisfb_get_northbridge(int basechipid) default: return NULL; } for(i = 0; i < nbridgenum; i++) { - if((pdev = SIS_PCI_GET_DEVICE(PCI_VENDOR_ID_SI, + if((pdev = pci_get_device(PCI_VENDOR_ID_SI, nbridgeids[nbridgeidx+i], NULL))) break; } @@ -4613,9 +4612,9 @@ sisfb_find_host_bridge(struct sis_video_info *ivideo, struct pci_dev *mypdev, unsigned short temp; int ret = 0; - while((pdev = SIS_PCI_GET_CLASS(PCI_CLASS_BRIDGE_HOST, pdev))) { + while((pdev = pci_get_class(PCI_CLASS_BRIDGE_HOST, pdev))) { temp = pdev->vendor; - SIS_PCI_PUT_DEVICE(pdev); + pci_dev_put(pdev); if(temp == pcivendor) { ret = 1; break; @@ -5154,24 +5153,24 @@ sisfb_post_xgi(struct pci_dev *pdev) if(reg & 0x80) v2 |= 0x80; v2 |= 0x01; - if((mypdev = SIS_PCI_GET_DEVICE(PCI_VENDOR_ID_SI, 0x0730, NULL))) { - SIS_PCI_PUT_DEVICE(mypdev); + if((mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0730, NULL))) { + pci_dev_put(mypdev); if(((v2 & 0x06) == 2) || ((v2 & 0x06) == 4)) v2 &= 0xf9; v2 |= 0x08; v1 &= 0xfe; } else { - mypdev = SIS_PCI_GET_DEVICE(PCI_VENDOR_ID_SI, 0x0735, NULL); + mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0735, NULL); if(!mypdev) - mypdev = SIS_PCI_GET_DEVICE(PCI_VENDOR_ID_SI, 0x0645, NULL); + mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0645, NULL); if(!mypdev) - mypdev = SIS_PCI_GET_DEVICE(PCI_VENDOR_ID_SI, 0x0650, NULL); + mypdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0650, NULL); if(mypdev) { pci_read_config_dword(mypdev, 0x94, ®d); regd &= 0xfffffeff; pci_write_config_dword(mypdev, 0x94, regd); v1 &= 0xfe; - SIS_PCI_PUT_DEVICE(mypdev); + pci_dev_put(mypdev); } else if(sisfb_find_host_bridge(ivideo, pdev, PCI_VENDOR_ID_SI)) { v1 &= 0xfe; } else if(sisfb_find_host_bridge(ivideo, pdev, 0x1106) || @@ -5194,13 +5193,13 @@ sisfb_post_xgi(struct pci_dev *pdev) if( (!(v1 & 0x02)) && (v2 & 0x30) && (regd < 0xcf) ) setSISIDXREG(SISCR, 0x5f, 0xf1, 0x01); - if((mypdev = SIS_PCI_GET_DEVICE(0x10de, 0x01e0, NULL))) { + if((mypdev = pci_get_device(0x10de, 0x01e0, NULL))) { /* TODO: set CR5f &0xf1 | 0x01 for version 6570 * of nforce 2 ROM */ if(0) setSISIDXREG(SISCR, 0x5f, 0xf1, 0x01); - SIS_PCI_PUT_DEVICE(mypdev); + pci_dev_put(mypdev); } } @@ -5236,9 +5235,9 @@ sisfb_post_xgi(struct pci_dev *pdev) setSISIDXREG(SISCR, 0x75, 0xe0, bios[0x4ff] & 0x1f); setSISIDXREG(SISCR, 0x76, 0xe0, bios[0x500] & 0x1f); v1 = bios[0x501]; - if((mypdev = SIS_PCI_GET_DEVICE(0x8086, 0x2530, NULL))) { + if((mypdev = pci_get_device(0x8086, 0x2530, NULL))) { v1 = 0xf0; - SIS_PCI_PUT_DEVICE(mypdev); + pci_dev_put(mypdev); } outSISIDXREG(SISCR, 0x77, v1); } @@ -5947,7 +5946,7 @@ sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if(!ivideo->sisvga_enabled) { if(pci_enable_device(pdev)) { - if(ivideo->nbridge) SIS_PCI_PUT_DEVICE(ivideo->nbridge); + if(ivideo->nbridge) pci_dev_put(ivideo->nbridge); pci_set_drvdata(pdev, NULL); kfree(sis_fb_info); return -EIO; @@ -5974,7 +5973,7 @@ sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) "requiring Chrontel/GPIO setup\n", mychswtable[i].vendorName, mychswtable[i].cardName); - ivideo->lpcdev = SIS_PCI_GET_DEVICE(PCI_VENDOR_ID_SI, 0x0008, NULL); + ivideo->lpcdev = pci_get_device(PCI_VENDOR_ID_SI, 0x0008, NULL); break; } i++; @@ -5984,7 +5983,7 @@ sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) #ifdef CONFIG_FB_SIS_315 if((ivideo->chip == SIS_760) && (ivideo->nbridge)) { - ivideo->lpcdev = SIS_PCI_GET_SLOT(ivideo->nbridge->bus, (2 << 3)); + ivideo->lpcdev = pci_get_slot(ivideo->nbridge->bus, (2 << 3)); } #endif @@ -6149,9 +6148,9 @@ error_1: release_mem_region(ivideo->video_base, ivideo->video_size); error_2: release_mem_region(ivideo->mmio_base, ivideo->mmio_size); error_3: vfree(ivideo->bios_abase); if(ivideo->lpcdev) - SIS_PCI_PUT_DEVICE(ivideo->lpcdev); + pci_dev_put(ivideo->lpcdev); if(ivideo->nbridge) - SIS_PCI_PUT_DEVICE(ivideo->nbridge); + pci_dev_put(ivideo->nbridge); pci_set_drvdata(pdev, NULL); if(!ivideo->sisvga_enabled) pci_disable_device(pdev); @@ -6331,70 +6330,6 @@ error_3: vfree(ivideo->bios_abase); sisfb_set_vparms(ivideo); -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) - - /* ---------------- For 2.4: Now switch the mode ------------------ */ - - printk(KERN_INFO "sisfb: Setting mode %dx%dx%d (%dHz)\n", - ivideo->video_width, ivideo->video_height, ivideo->video_bpp, - ivideo->refresh_rate); - - /* Determine whether or not acceleration is to be - * used. Need to know before pre/post_set_mode() - */ - ivideo->accel = 0; - ivideo->default_var.accel_flags &= ~FB_ACCELF_TEXT; - if(ivideo->sisfb_accel) { - ivideo->accel = -1; - ivideo->default_var.accel_flags |= FB_ACCELF_TEXT; - } - - /* Now switch the mode */ - sisfb_pre_setmode(ivideo); - - if(SiSSetMode(&ivideo->SiS_Pr, ivideo->mode_no) == 0) { - printk(KERN_ERR "sisfb: Fatal error: Setting mode[0x%x] failed\n", - ivideo->mode_no); - ret = -EINVAL; - iounmap(ivideo->mmio_vbase); - goto error_0; - } - - outSISIDXREG(SISSR, IND_SIS_PASSWORD, SIS_PASSWORD); - - sisfb_post_setmode(ivideo); - - /* Maximize regardless of sisfb_max at startup */ - ivideo->default_var.yres_virtual = 32767; - - /* Force reset of x virtual in crtc_to_var */ - ivideo->default_var.xres_virtual = 0; - - /* Copy mode timing to var */ - sisfb_crtc_to_var(ivideo, &ivideo->default_var); - - /* Find out about screen pitch */ - sisfb_calc_pitch(ivideo, &ivideo->default_var); - sisfb_set_pitch(ivideo); - - /* Init the accelerator (does nothing currently) */ - sisfb_initaccel(ivideo); - - /* Init some fbinfo entries */ - sis_fb_info->node = -1; - sis_fb_info->flags = FBINFO_FLAG_DEFAULT; - sis_fb_info->fbops = &sisfb_ops; - sis_fb_info->disp = &ivideo->sis_disp; - sis_fb_info->blank = &sisfb_blank; - sis_fb_info->switch_con = &sisfb_switch; - sis_fb_info->updatevar = &sisfb_update_var; - sis_fb_info->changevar = NULL; - strcpy(sis_fb_info->fontname, sisfb_fontname); - - sisfb_set_disp(-1, &ivideo->default_var, sis_fb_info); - -#else /* --------- For 2.6: Setup a somewhat sane default var ------------ */ - printk(KERN_INFO "sisfb: Default mode is %dx%dx%d (%dHz)\n", ivideo->video_width, ivideo->video_height, ivideo->video_bpp, ivideo->refresh_rate); @@ -6454,7 +6389,6 @@ error_3: vfree(ivideo->bios_abase); sis_fb_info->pseudo_palette = ivideo->pseudo_palette; fb_alloc_cmap(&sis_fb_info->cmap, 256 , 0); -#endif /* 2.6 */ printk(KERN_DEBUG "sisfb: Initial vbflags 0x%x\n", (int)ivideo->vbflags); @@ -6564,10 +6498,10 @@ static void __devexit sisfb_remove(struct pci_dev *pdev) vfree(ivideo->bios_abase); if(ivideo->lpcdev) - SIS_PCI_PUT_DEVICE(ivideo->lpcdev); + pci_dev_put(ivideo->lpcdev); if(ivideo->nbridge) - SIS_PCI_PUT_DEVICE(ivideo->nbridge); + pci_dev_put(ivideo->nbridge); #ifdef CONFIG_MTRR /* Release MTRR region */ diff --git a/drivers/video/skeletonfb.c b/drivers/video/skeletonfb.c index bb96cb65fda..842b5cd054c 100644 --- a/drivers/video/skeletonfb.c +++ b/drivers/video/skeletonfb.c @@ -51,6 +51,7 @@ #include <linux/delay.h> #include <linux/fb.h> #include <linux/init.h> +#include <linux/pci.h> /* * This is just simple sample code. @@ -60,6 +61,11 @@ */ /* + * Driver data + */ +static char *mode_option __devinitdata; + +/* * If your driver supports multiple boards, you should make the * below data types arrays, or allocate them dynamically (using kmalloc()). */ @@ -78,7 +84,7 @@ struct xxx_par; * if we don't use modedb. If we do use modedb see xxxfb_init how to use it * to get a fb_var_screeninfo. Otherwise define a default var as well. */ -static struct fb_fix_screeninfo xxxfb_fix __initdata = { +static struct fb_fix_screeninfo xxxfb_fix __devinitdata = { .id = "FB's name", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_PSEUDOCOLOR, @@ -142,7 +148,7 @@ int xxxfb_setup(char*); * * Returns negative errno on error, or zero on success. */ -static int xxxfb_open(const struct fb_info *info, int user) +static int xxxfb_open(struct fb_info *info, int user) { return 0; } @@ -161,7 +167,7 @@ static int xxxfb_open(const struct fb_info *info, int user) * * Returns negative errno on error, or zero on success. */ -static int xxxfb_release(const struct fb_info *info, int user) +static int xxxfb_release(struct fb_info *info, int user) { return 0; } @@ -278,7 +284,7 @@ static int xxxfb_set_par(struct fb_info *info) */ static int xxxfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, - const struct fb_info *info) + struct fb_info *info) { if (regno >= 256) /* no. of hw registers */ return -EINVAL; @@ -416,7 +422,7 @@ static int xxxfb_setcolreg(unsigned regno, unsigned red, unsigned green, * Returns negative errno on error, or zero on success. */ static int xxxfb_pan_display(struct fb_var_screeninfo *var, - const struct fb_info *info) + struct fb_info *info) { /* * If your hardware does not support panning, _do_ _not_ implement this @@ -454,7 +460,7 @@ static int xxxfb_pan_display(struct fb_var_screeninfo *var, * Return !0 for any modes that are unimplemented. * */ -static int xxxfb_blank(int blank_mode, const struct fb_info *info) +static int xxxfb_blank(int blank_mode, struct fb_info *info) { /* ... */ return 0; @@ -483,7 +489,7 @@ static int xxxfb_blank(int blank_mode, const struct fb_info *info) * depending on the rastering operation with the value of color which * is in the current color depth format. */ -void xxfb_fillrect(struct fb_info *p, const struct fb_fillrect *region) +void xxxfb_fillrect(struct fb_info *p, const struct fb_fillrect *region) { /* Meaning of struct fb_fillrect * @@ -623,19 +629,6 @@ void xxxfb_rotate(struct fb_info *info, int angle) } /** - * xxxfb_poll - NOT a required function. The purpose of this - * function is to provide a way for some process - * to wait until a specific hardware event occurs - * for the framebuffer device. - * - * @info: frame buffer structure that represents a single frame buffer - * @wait: poll table where we store process that await a event. - */ -void xxxfb_poll(struct fb_info *info, poll_table *wait) -{ -} - -/** * xxxfb_sync - NOT a required function. Normally the accel engine * for a graphics card take a specific amount of time. * Often we have to wait for the accelerator to finish @@ -647,21 +640,49 @@ void xxxfb_poll(struct fb_info *info, poll_table *wait) * If the driver has implemented its own hardware-based drawing function, * implementing this function is highly recommended. */ -void xxxfb_sync(struct fb_info *info) +int xxxfb_sync(struct fb_info *info) { + return 0; } /* + * Frame buffer operations + */ + +static struct fb_ops xxxfb_ops = { + .owner = THIS_MODULE, + .fb_open = xxxfb_open, + .fb_read = xxxfb_read, + .fb_write = xxxfb_write, + .fb_release = xxxfb_release, + .fb_check_var = xxxfb_check_var, + .fb_set_par = xxxfb_set_par, + .fb_setcolreg = xxxfb_setcolreg, + .fb_blank = xxxfb_blank, + .fb_pan_display = xxxfb_pan_display, + .fb_fillrect = xxxfb_fillrect, /* Needed !!! */ + .fb_copyarea = xxxfb_copyarea, /* Needed !!! */ + .fb_imageblit = xxxfb_imageblit, /* Needed !!! */ + .fb_cursor = xxxfb_cursor, /* Optional !!! */ + .fb_rotate = xxxfb_rotate, + .fb_sync = xxxfb_sync, + .fb_ioctl = xxxfb_ioctl, + .fb_mmap = xxxfb_mmap, +}; + +/* ------------------------------------------------------------------------- */ + + /* * Initialization */ /* static int __init xxfb_probe (struct device *device) -- for platform devs */ -static int __init xxxfb_probe(struct pci_dev *dev, - const_struct pci_device_id *ent) +static int __devinit xxxfb_probe(struct pci_dev *dev, + const struct pci_device_id *ent) { struct fb_info *info; struct xxx_par *par; - struct device = &dev->dev; /* for pci drivers */ + struct device* device = &dev->dev; /* for pci drivers */ int cmap_len, retval; /* @@ -684,7 +705,7 @@ static int __init xxxfb_probe(struct pci_dev *dev, info->screen_base = framebuffer_virtual_memory; info->fbops = &xxxfb_ops; info->fix = xxxfb_fix; /* this will be the only time xxxfb_fix will be - * used, so mark it as __initdata + * used, so mark it as __devinitdata */ info->pseudo_palette = pseudo_palette; /* The pseudopalette is an * 16-member array @@ -760,7 +781,7 @@ static int __init xxxfb_probe(struct pci_dev *dev, * * NOTE: This field is currently unused. */ - info->pixmap.scan_align = 32 + info->pixmap.scan_align = 32; /***************************** End optional stage ***************************/ /* @@ -770,13 +791,13 @@ static int __init xxxfb_probe(struct pci_dev *dev, if (!mode_option) mode_option = "640x480@60"; - retval = fb_find_mode(info->var, info, mode_option, NULL, 0, NULL, 8); + retval = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 8); if (!retval || retval == 4) return -EINVAL; /* This has to been done !!! */ - fb_alloc_cmap(info->cmap, cmap_len, 0); + fb_alloc_cmap(&info->cmap, cmap_len, 0); /* * The following is done in the case of having hardware with a static @@ -811,34 +832,77 @@ static int __init xxxfb_probe(struct pci_dev *dev, /* * Cleanup */ -/* static void __exit xxxfb_remove(struct device *device) */ -static void __exit xxxfb_remove(struct pci_dev *dev) +/* static void __devexit xxxfb_remove(struct device *device) */ +static void __devexit xxxfb_remove(struct pci_dev *dev) { - struct fb_info *info = pci_get_drv_data(dev); - /* or dev_get_drv_data(device); */ + struct fb_info *info = pci_get_drvdata(dev); + /* or dev_get_drvdata(device); */ if (info) { unregister_framebuffer(info); - fb_dealloc_cmap(&info.cmap); + fb_dealloc_cmap(&info->cmap); /* ... */ framebuffer_release(info); } +} + +#ifdef CONFIG_PCI +#ifdef CONFIG_PM +/** + * xxxfb_suspend - Optional but recommended function. Suspend the device. + * @dev: PCI device + * @msg: the suspend event code. + * + * See Documentation/power/devices.txt for more information + */ +static int xxxfb_suspend(struct pci_dev *dev, pm_message_t msg) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct xxxfb_par *par = info->par; + + /* suspend here */ + return 0; +} + +/** + * xxxfb_resume - Optional but recommended function. Resume the device. + * @dev: PCI device + * + * See Documentation/power/devices.txt for more information + */ +static int xxxfb_resume(struct pci_dev *dev) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct xxxfb_par *par = info->par; + /* resume here */ return 0; } +#else +#define xxxfb_suspend NULL +#define xxxfb_resume NULL +#endif /* CONFIG_PM */ + +static struct pci_device_id xxxfb_id_table[] = { + { PCI_VENDOR_ID_XXX, PCI_DEVICE_ID_XXX, + PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16, + PCI_CLASS_MASK, 0 }, + { 0, } +}; -#if CONFIG_PCI /* For PCI drivers */ static struct pci_driver xxxfb_driver = { .name = "xxxfb", - .id_table = xxxfb_devices, + .id_table = xxxfb_id_table, .probe = xxxfb_probe, .remove = __devexit_p(xxxfb_remove), - .suspend = xxxfb_suspend, /* optional */ - .resume = xxxfb_resume, /* optional */ + .suspend = xxxfb_suspend, /* optional but recommended */ + .resume = xxxfb_resume, /* optional but recommended */ }; -static int __init xxxfb_init(void) +MODULE_DEVICE_TABLE(pci, xxxfb_id_table); + +int __init xxxfb_init(void) { /* * For kernel boot options (in 'video=xxxfb:<options>' format) @@ -858,16 +922,53 @@ static void __exit xxxfb_exit(void) { pci_unregister_driver(&xxxfb_driver); } -#else +#else /* non PCI, platform drivers */ #include <linux/platform_device.h> /* for platform devices */ + +#ifdef CONFIG_PM +/** + * xxxfb_suspend - Optional but recommended function. Suspend the device. + * @dev: platform device + * @msg: the suspend event code. + * + * See Documentation/power/devices.txt for more information + */ +static int xxxfb_suspend(struct platform_device *dev, pm_message_t msg) +{ + struct fb_info *info = platform_get_drvdata(dev); + struct xxxfb_par *par = info->par; + + /* suspend here */ + return 0; +} + +/** + * xxxfb_resume - Optional but recommended function. Resume the device. + * @dev: platform device + * + * See Documentation/power/devices.txt for more information + */ +static int xxxfb_resume(struct platform_dev *dev) +{ + struct fb_info *info = platform_get_drvdata(dev); + struct xxxfb_par *par = info->par; + + /* resume here */ + return 0; +} +#else +#define xxxfb_suspend NULL +#define xxxfb_resume NULL +#endif /* CONFIG_PM */ + static struct device_driver xxxfb_driver = { .name = "xxxfb", .bus = &platform_bus_type, .probe = xxxfb_probe, .remove = xxxfb_remove, - .suspend = xxxfb_suspend, /* optional */ - .resume = xxxfb_resume, /* optional */ + .suspend = xxxfb_suspend, /* optional but recommended */ + .resume = xxxfb_resume, /* optional but recommended */ }; static struct platform_device xxxfb_device = { @@ -903,8 +1004,9 @@ static void __exit xxxfb_exit(void) platform_device_unregister(&xxxfb_device); driver_unregister(&xxxfb_driver); } -#endif +#endif /* CONFIG_PCI */ +#ifdef MODULE /* * Setup */ @@ -917,34 +1019,7 @@ int __init xxxfb_setup(char *options) { /* Parse user speficied options (`video=xxxfb:') */ } - -/* ------------------------------------------------------------------------- */ - - /* - * Frame buffer operations - */ - -static struct fb_ops xxxfb_ops = { - .owner = THIS_MODULE, - .fb_open = xxxfb_open, - .fb_read = xxxfb_read, - .fb_write = xxxfb_write, - .fb_release = xxxfb_release, - .fb_check_var = xxxfb_check_var, - .fb_set_par = xxxfb_set_par, - .fb_setcolreg = xxxfb_setcolreg, - .fb_blank = xxxfb_blank, - .fb_pan_display = xxxfb_pan_display, - .fb_fillrect = xxxfb_fillrect, /* Needed !!! */ - .fb_copyarea = xxxfb_copyarea, /* Needed !!! */ - .fb_imageblit = xxxfb_imageblit, /* Needed !!! */ - .fb_cursor = xxxfb_cursor, /* Optional !!! */ - .fb_rotate = xxxfb_rotate, - .fb_poll = xxxfb_poll, - .fb_sync = xxxfb_sync, - .fb_ioctl = xxxfb_ioctl, - .fb_mmap = xxxfb_mmap, -}; +#endif /* MODULE */ /* ------------------------------------------------------------------------- */ @@ -954,6 +1029,6 @@ static struct fb_ops xxxfb_ops = { */ module_init(xxxfb_init); -module_exit(xxxfb_cleanup); +module_exit(xxxfb_remove); MODULE_LICENSE("GPL"); diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index 0a44c44672c..c86df126f93 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -989,7 +989,7 @@ static int sm501fb_cursor(struct fb_info *info, struct fb_cursor *cursor) ((info->cmap.green[fg_col] & 0xFC) << 3) | ((info->cmap.blue[fg_col] & 0xF8) >> 3); - dev_dbg(fbi->dev, "fgcol %08x, bgcol %08x\n", fg, bg); + dev_dbg(fbi->dev, "fgcol %08lx, bgcol %08lx\n", fg, bg); writel(bg, base + SM501_OFF_HWC_COLOR_1_2); writel(fg, base + SM501_OFF_HWC_COLOR_3); diff --git a/drivers/video/svgalib.c b/drivers/video/svgalib.c index 68b30d9eac5..079cdc911e4 100644 --- a/drivers/video/svgalib.c +++ b/drivers/video/svgalib.c @@ -194,7 +194,7 @@ void svga_dump_var(struct fb_var_screeninfo *var, int node) void svga_settile(struct fb_info *info, struct fb_tilemap *map) { const u8 *font = map->data; - u8* fb = (u8 *) info->screen_base; + u8 __iomem *fb = (u8 __iomem *)info->screen_base; int i, c; if ((map->width != 8) || (map->height != 16) || @@ -207,7 +207,8 @@ void svga_settile(struct fb_info *info, struct fb_tilemap *map) fb += 2; for (c = 0; c < map->length; c++) { for (i = 0; i < map->height; i++) { - fb[i * 4] = font[i]; + fb_writeb(font[i], fb + i * 4); +// fb[i * 4] = font[i]; } fb += 128; font += map->height; @@ -221,8 +222,8 @@ void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area) /* colstride is halved in this function because u16 are used */ int colstride = 1 << (info->fix.type_aux & FB_AUX_TEXT_SVGA_MASK); int rowstride = colstride * (info->var.xres_virtual / 8); - u16 *fb = (u16 *) info->screen_base; - u16 *src, *dst; + u16 __iomem *fb = (u16 __iomem *) info->screen_base; + u16 __iomem *src, *dst; if ((area->sy > area->dy) || ((area->sy == area->dy) && (area->sx > area->dx))) { @@ -239,10 +240,11 @@ void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area) } for (dy = 0; dy < area->height; dy++) { - u16* src2 = src; - u16* dst2 = dst; + u16 __iomem *src2 = src; + u16 __iomem *dst2 = dst; for (dx = 0; dx < area->width; dx++) { - *dst2 = *src2; + fb_writew(fb_readw(src2), dst2); +// *dst2 = *src2; src2 += colstride; dst2 += colstride; } @@ -258,14 +260,14 @@ void svga_tilefill(struct fb_info *info, struct fb_tilerect *rect) int colstride = 2 << (info->fix.type_aux & FB_AUX_TEXT_SVGA_MASK); int rowstride = colstride * (info->var.xres_virtual / 8); int attr = (0x0F & rect->bg) << 4 | (0x0F & rect->fg); - u8 *fb = (u8 *) info->screen_base; + u8 __iomem *fb = (u8 __iomem *)info->screen_base; fb += rect->sx * colstride + rect->sy * rowstride; for (dy = 0; dy < rect->height; dy++) { - u8* fb2 = fb; + u8 __iomem *fb2 = fb; for (dx = 0; dx < rect->width; dx++) { - fb2[0] = rect->index; - fb2[1] = attr; + fb_writeb(rect->index, fb2); + fb_writeb(attr, fb2 + 1); fb2 += colstride; } fb += rowstride; @@ -279,15 +281,15 @@ void svga_tileblit(struct fb_info *info, struct fb_tileblit *blit) int colstride = 2 << (info->fix.type_aux & FB_AUX_TEXT_SVGA_MASK); int rowstride = colstride * (info->var.xres_virtual / 8); int attr = (0x0F & blit->bg) << 4 | (0x0F & blit->fg); - u8* fb = (u8 *) info->screen_base; + u8 __iomem *fb = (u8 __iomem *)info->screen_base; fb += blit->sx * colstride + blit->sy * rowstride; i=0; for (dy=0; dy < blit->height; dy ++) { - u8* fb2 = fb; + u8 __iomem *fb2 = fb; for (dx = 0; dx < blit->width; dx ++) { - fb2[0] = blit->indices[i]; - fb2[1] = attr; + fb_writeb(blit->indices[i], fb2); + fb_writeb(attr, fb2 + 1); fb2 += colstride; i ++; if (i == blit->length) return; @@ -340,6 +342,11 @@ void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor) vga_wcrt(NULL, 0x0A, cs); /* set cursor start and enable it */ } +int svga_get_tilemax(struct fb_info *info) +{ + return 256; +} + /* ------------------------------------------------------------------------- */ @@ -621,6 +628,7 @@ EXPORT_SYMBOL(svga_tilecopy); EXPORT_SYMBOL(svga_tilefill); EXPORT_SYMBOL(svga_tileblit); EXPORT_SYMBOL(svga_tilecursor); +EXPORT_SYMBOL(svga_get_tilemax); EXPORT_SYMBOL(svga_compute_pll); EXPORT_SYMBOL(svga_check_timings); diff --git a/drivers/video/syscopyarea.c b/drivers/video/syscopyarea.c new file mode 100644 index 00000000000..37af10ab8f5 --- /dev/null +++ b/drivers/video/syscopyarea.c @@ -0,0 +1,378 @@ +/* + * Generic Bit Block Transfer for frame buffers located in system RAM with + * packed pixels of any depth. + * + * Based almost entirely from cfbcopyarea.c (which is based almost entirely + * on Geert Uytterhoeven's copyarea routine) + * + * Copyright (C) 2007 Antonino Daplas <adaplas@pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <linux/slab.h> +#include <asm/types.h> +#include <asm/io.h> +#include "fb_draw.h" + + /* + * Generic bitwise copy algorithm + */ + +static void +bitcpy(unsigned long *dst, int dst_idx, const unsigned long *src, + int src_idx, int bits, unsigned n) +{ + unsigned long first, last; + int const shift = dst_idx-src_idx; + int left, right; + + first = FB_SHIFT_HIGH(~0UL, dst_idx); + last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits)); + + if (!shift) { + /* Same alignment for source and dest */ + if (dst_idx+n <= bits) { + /* Single word */ + if (last) + first &= last; + *dst = comp(*src, *dst, first); + } else { + /* Multiple destination words */ + /* Leading bits */ + if (first != ~0UL) { + *dst = comp(*src, *dst, first); + dst++; + src++; + n -= bits - dst_idx; + } + + /* Main chunk */ + n /= bits; + while (n >= 8) { + *dst++ = *src++; + *dst++ = *src++; + *dst++ = *src++; + *dst++ = *src++; + *dst++ = *src++; + *dst++ = *src++; + *dst++ = *src++; + *dst++ = *src++; + n -= 8; + } + while (n--) + *dst++ = *src++; + + /* Trailing bits */ + if (last) + *dst = comp(*src, *dst, last); + } + } else { + unsigned long d0, d1; + int m; + + /* Different alignment for source and dest */ + right = shift & (bits - 1); + left = -shift & (bits - 1); + + if (dst_idx+n <= bits) { + /* Single destination word */ + if (last) + first &= last; + if (shift > 0) { + /* Single source word */ + *dst = comp(*src >> right, *dst, first); + } else if (src_idx+n <= bits) { + /* Single source word */ + *dst = comp(*src << left, *dst, first); + } else { + /* 2 source words */ + d0 = *src++; + d1 = *src; + *dst = comp(d0 << left | d1 >> right, *dst, + first); + } + } else { + /* Multiple destination words */ + /** We must always remember the last value read, + because in case SRC and DST overlap bitwise (e.g. + when moving just one pixel in 1bpp), we always + collect one full long for DST and that might + overlap with the current long from SRC. We store + this value in 'd0'. */ + d0 = *src++; + /* Leading bits */ + if (shift > 0) { + /* Single source word */ + *dst = comp(d0 >> right, *dst, first); + dst++; + n -= bits - dst_idx; + } else { + /* 2 source words */ + d1 = *src++; + *dst = comp(d0 << left | *dst >> right, *dst, first); + d0 = d1; + dst++; + n -= bits - dst_idx; + } + + /* Main chunk */ + m = n % bits; + n /= bits; + while (n >= 4) { + d1 = *src++; + *dst++ = d0 << left | d1 >> right; + d0 = d1; + d1 = *src++; + *dst++ = d0 << left | d1 >> right; + d0 = d1; + d1 = *src++; + *dst++ = d0 << left | d1 >> right; + d0 = d1; + d1 = *src++; + *dst++ = d0 << left | d1 >> right; + d0 = d1; + n -= 4; + } + while (n--) { + d1 = *src++; + *dst++ = d0 << left | d1 >> right; + d0 = d1; + } + + /* Trailing bits */ + if (last) { + if (m <= right) { + /* Single source word */ + *dst = comp(d0 << left, *dst, last); + } else { + /* 2 source words */ + d1 = *src; + *dst = comp(d0 << left | d1 >> right, + *dst, last); + } + } + } + } +} + + /* + * Generic bitwise copy algorithm, operating backward + */ + +static void +bitcpy_rev(unsigned long *dst, int dst_idx, const unsigned long *src, + int src_idx, int bits, unsigned n) +{ + unsigned long first, last; + int shift; + + dst += (n-1)/bits; + src += (n-1)/bits; + if ((n-1) % bits) { + dst_idx += (n-1) % bits; + dst += dst_idx >> (ffs(bits) - 1); + dst_idx &= bits - 1; + src_idx += (n-1) % bits; + src += src_idx >> (ffs(bits) - 1); + src_idx &= bits - 1; + } + + shift = dst_idx-src_idx; + + first = FB_SHIFT_LOW(~0UL, bits - 1 - dst_idx); + last = ~(FB_SHIFT_LOW(~0UL, bits - 1 - ((dst_idx-n) % bits))); + + if (!shift) { + /* Same alignment for source and dest */ + if ((unsigned long)dst_idx+1 >= n) { + /* Single word */ + if (last) + first &= last; + *dst = comp(*src, *dst, first); + } else { + /* Multiple destination words */ + + /* Leading bits */ + if (first != ~0UL) { + *dst = comp(*src, *dst, first); + dst--; + src--; + n -= dst_idx+1; + } + + /* Main chunk */ + n /= bits; + while (n >= 8) { + *dst-- = *src--; + *dst-- = *src--; + *dst-- = *src--; + *dst-- = *src--; + *dst-- = *src--; + *dst-- = *src--; + *dst-- = *src--; + *dst-- = *src--; + n -= 8; + } + while (n--) + *dst-- = *src--; + /* Trailing bits */ + if (last) + *dst = comp(*src, *dst, last); + } + } else { + /* Different alignment for source and dest */ + + int const left = -shift & (bits-1); + int const right = shift & (bits-1); + + if ((unsigned long)dst_idx+1 >= n) { + /* Single destination word */ + if (last) + first &= last; + if (shift < 0) { + /* Single source word */ + *dst = comp(*src << left, *dst, first); + } else if (1+(unsigned long)src_idx >= n) { + /* Single source word */ + *dst = comp(*src >> right, *dst, first); + } else { + /* 2 source words */ + *dst = comp(*src >> right | *(src-1) << left, + *dst, first); + } + } else { + /* Multiple destination words */ + /** We must always remember the last value read, + because in case SRC and DST overlap bitwise (e.g. + when moving just one pixel in 1bpp), we always + collect one full long for DST and that might + overlap with the current long from SRC. We store + this value in 'd0'. */ + unsigned long d0, d1; + int m; + + d0 = *src--; + /* Leading bits */ + if (shift < 0) { + /* Single source word */ + *dst = comp(d0 << left, *dst, first); + } else { + /* 2 source words */ + d1 = *src--; + *dst = comp(d0 >> right | d1 << left, *dst, + first); + d0 = d1; + } + dst--; + n -= dst_idx+1; + + /* Main chunk */ + m = n % bits; + n /= bits; + while (n >= 4) { + d1 = *src--; + *dst-- = d0 >> right | d1 << left; + d0 = d1; + d1 = *src--; + *dst-- = d0 >> right | d1 << left; + d0 = d1; + d1 = *src--; + *dst-- = d0 >> right | d1 << left; + d0 = d1; + d1 = *src--; + *dst-- = d0 >> right | d1 << left; + d0 = d1; + n -= 4; + } + while (n--) { + d1 = *src--; + *dst-- = d0 >> right | d1 << left; + d0 = d1; + } + + /* Trailing bits */ + if (last) { + if (m <= left) { + /* Single source word */ + *dst = comp(d0 >> right, *dst, last); + } else { + /* 2 source words */ + d1 = *src; + *dst = comp(d0 >> right | d1 << left, + *dst, last); + } + } + } + } +} + +void sys_copyarea(struct fb_info *p, const struct fb_copyarea *area) +{ + u32 dx = area->dx, dy = area->dy, sx = area->sx, sy = area->sy; + u32 height = area->height, width = area->width; + unsigned long const bits_per_line = p->fix.line_length*8u; + unsigned long *dst = NULL, *src = NULL; + int bits = BITS_PER_LONG, bytes = bits >> 3; + int dst_idx = 0, src_idx = 0, rev_copy = 0; + + if (p->state != FBINFO_STATE_RUNNING) + return; + + /* if the beginning of the target area might overlap with the end of + the source area, be have to copy the area reverse. */ + if ((dy == sy && dx > sx) || (dy > sy)) { + dy += height; + sy += height; + rev_copy = 1; + } + + /* split the base of the framebuffer into a long-aligned address and + the index of the first bit */ + dst = src = (unsigned long *)((unsigned long)p->screen_base & + ~(bytes-1)); + dst_idx = src_idx = 8*((unsigned long)p->screen_base & (bytes-1)); + /* add offset of source and target area */ + dst_idx += dy*bits_per_line + dx*p->var.bits_per_pixel; + src_idx += sy*bits_per_line + sx*p->var.bits_per_pixel; + + if (p->fbops->fb_sync) + p->fbops->fb_sync(p); + + if (rev_copy) { + while (height--) { + dst_idx -= bits_per_line; + src_idx -= bits_per_line; + dst += dst_idx >> (ffs(bits) - 1); + dst_idx &= (bytes - 1); + src += src_idx >> (ffs(bits) - 1); + src_idx &= (bytes - 1); + bitcpy_rev(dst, dst_idx, src, src_idx, bits, + width*p->var.bits_per_pixel); + } + } else { + while (height--) { + dst += dst_idx >> (ffs(bits) - 1); + dst_idx &= (bytes - 1); + src += src_idx >> (ffs(bits) - 1); + src_idx &= (bytes - 1); + bitcpy(dst, dst_idx, src, src_idx, bits, + width*p->var.bits_per_pixel); + dst_idx += bits_per_line; + src_idx += bits_per_line; + } + } +} + +EXPORT_SYMBOL(sys_copyarea); + +MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>"); +MODULE_DESCRIPTION("Generic copyarea (sys-to-sys)"); +MODULE_LICENSE("GPL"); + diff --git a/drivers/video/sysfillrect.c b/drivers/video/sysfillrect.c new file mode 100644 index 00000000000..a261e9e6a67 --- /dev/null +++ b/drivers/video/sysfillrect.c @@ -0,0 +1,334 @@ +/* + * Generic fillrect for frame buffers in system RAM with packed pixels of + * any depth. + * + * Based almost entirely from cfbfillrect.c (which is based almost entirely + * on Geert Uytterhoeven's fillrect routine) + * + * Copyright (C) 2007 Antonino Daplas <adaplas@pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ +#include <linux/module.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <asm/types.h> +#include "fb_draw.h" + + /* + * Aligned pattern fill using 32/64-bit memory accesses + */ + +static void +bitfill_aligned(unsigned long *dst, int dst_idx, unsigned long pat, + unsigned n, int bits) +{ + unsigned long first, last; + + if (!n) + return; + + first = FB_SHIFT_HIGH(~0UL, dst_idx); + last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits)); + + if (dst_idx+n <= bits) { + /* Single word */ + if (last) + first &= last; + *dst = comp(pat, *dst, first); + } else { + /* Multiple destination words */ + + /* Leading bits */ + if (first!= ~0UL) { + *dst = comp(pat, *dst, first); + dst++; + n -= bits - dst_idx; + } + + /* Main chunk */ + n /= bits; + while (n >= 8) { + *dst++ = pat; + *dst++ = pat; + *dst++ = pat; + *dst++ = pat; + *dst++ = pat; + *dst++ = pat; + *dst++ = pat; + *dst++ = pat; + n -= 8; + } + while (n--) + *dst++ = pat; + /* Trailing bits */ + if (last) + *dst = comp(pat, *dst, last); + } +} + + + /* + * Unaligned generic pattern fill using 32/64-bit memory accesses + * The pattern must have been expanded to a full 32/64-bit value + * Left/right are the appropriate shifts to convert to the pattern to be + * used for the next 32/64-bit word + */ + +static void +bitfill_unaligned(unsigned long *dst, int dst_idx, unsigned long pat, + int left, int right, unsigned n, int bits) +{ + unsigned long first, last; + + if (!n) + return; + + first = FB_SHIFT_HIGH(~0UL, dst_idx); + last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits)); + + if (dst_idx+n <= bits) { + /* Single word */ + if (last) + first &= last; + *dst = comp(pat, *dst, first); + } else { + /* Multiple destination words */ + /* Leading bits */ + if (first) { + *dst = comp(pat, *dst, first); + dst++; + pat = pat << left | pat >> right; + n -= bits - dst_idx; + } + + /* Main chunk */ + n /= bits; + while (n >= 4) { + *dst++ = pat; + pat = pat << left | pat >> right; + *dst++ = pat; + pat = pat << left | pat >> right; + *dst++ = pat; + pat = pat << left | pat >> right; + *dst++ = pat; + pat = pat << left | pat >> right; + n -= 4; + } + while (n--) { + *dst++ = pat; + pat = pat << left | pat >> right; + } + + /* Trailing bits */ + if (last) + *dst = comp(pat, *dst, first); + } +} + + /* + * Aligned pattern invert using 32/64-bit memory accesses + */ +static void +bitfill_aligned_rev(unsigned long *dst, int dst_idx, unsigned long pat, + unsigned n, int bits) +{ + unsigned long val = pat; + unsigned long first, last; + + if (!n) + return; + + first = FB_SHIFT_HIGH(~0UL, dst_idx); + last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits)); + + if (dst_idx+n <= bits) { + /* Single word */ + if (last) + first &= last; + *dst = comp(*dst ^ val, *dst, first); + } else { + /* Multiple destination words */ + /* Leading bits */ + if (first!=0UL) { + *dst = comp(*dst ^ val, *dst, first); + dst++; + n -= bits - dst_idx; + } + + /* Main chunk */ + n /= bits; + while (n >= 8) { + *dst++ ^= val; + *dst++ ^= val; + *dst++ ^= val; + *dst++ ^= val; + *dst++ ^= val; + *dst++ ^= val; + *dst++ ^= val; + *dst++ ^= val; + n -= 8; + } + while (n--) + *dst++ ^= val; + /* Trailing bits */ + if (last) + *dst = comp(*dst ^ val, *dst, last); + } +} + + + /* + * Unaligned generic pattern invert using 32/64-bit memory accesses + * The pattern must have been expanded to a full 32/64-bit value + * Left/right are the appropriate shifts to convert to the pattern to be + * used for the next 32/64-bit word + */ + +static void +bitfill_unaligned_rev(unsigned long *dst, int dst_idx, unsigned long pat, + int left, int right, unsigned n, int bits) +{ + unsigned long first, last; + + if (!n) + return; + + first = FB_SHIFT_HIGH(~0UL, dst_idx); + last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits)); + + if (dst_idx+n <= bits) { + /* Single word */ + if (last) + first &= last; + *dst = comp(*dst ^ pat, *dst, first); + } else { + /* Multiple destination words */ + + /* Leading bits */ + if (first != 0UL) { + *dst = comp(*dst ^ pat, *dst, first); + dst++; + pat = pat << left | pat >> right; + n -= bits - dst_idx; + } + + /* Main chunk */ + n /= bits; + while (n >= 4) { + *dst++ ^= pat; + pat = pat << left | pat >> right; + *dst++ ^= pat; + pat = pat << left | pat >> right; + *dst++ ^= pat; + pat = pat << left | pat >> right; + *dst++ ^= pat; + pat = pat << left | pat >> right; + n -= 4; + } + while (n--) { + *dst ^= pat; + pat = pat << left | pat >> right; + } + + /* Trailing bits */ + if (last) + *dst = comp(*dst ^ pat, *dst, last); + } +} + +void sys_fillrect(struct fb_info *p, const struct fb_fillrect *rect) +{ + unsigned long pat, fg; + unsigned long width = rect->width, height = rect->height; + int bits = BITS_PER_LONG, bytes = bits >> 3; + u32 bpp = p->var.bits_per_pixel; + unsigned long *dst; + int dst_idx, left; + + if (p->state != FBINFO_STATE_RUNNING) + return; + + if (p->fix.visual == FB_VISUAL_TRUECOLOR || + p->fix.visual == FB_VISUAL_DIRECTCOLOR ) + fg = ((u32 *) (p->pseudo_palette))[rect->color]; + else + fg = rect->color; + + pat = pixel_to_pat( bpp, fg); + + dst = (unsigned long *)((unsigned long)p->screen_base & ~(bytes-1)); + dst_idx = ((unsigned long)p->screen_base & (bytes - 1))*8; + dst_idx += rect->dy*p->fix.line_length*8+rect->dx*bpp; + /* FIXME For now we support 1-32 bpp only */ + left = bits % bpp; + if (p->fbops->fb_sync) + p->fbops->fb_sync(p); + if (!left) { + void (*fill_op32)(unsigned long *dst, int dst_idx, + unsigned long pat, unsigned n, int bits) = + NULL; + + switch (rect->rop) { + case ROP_XOR: + fill_op32 = bitfill_aligned_rev; + break; + case ROP_COPY: + fill_op32 = bitfill_aligned; + break; + default: + printk( KERN_ERR "cfb_fillrect(): unknown rop, " + "defaulting to ROP_COPY\n"); + fill_op32 = bitfill_aligned; + break; + } + while (height--) { + dst += dst_idx >> (ffs(bits) - 1); + dst_idx &= (bits - 1); + fill_op32(dst, dst_idx, pat, width*bpp, bits); + dst_idx += p->fix.line_length*8; + } + } else { + int right; + int r; + int rot = (left-dst_idx) % bpp; + void (*fill_op)(unsigned long *dst, int dst_idx, + unsigned long pat, int left, int right, + unsigned n, int bits) = NULL; + + /* rotate pattern to correct start position */ + pat = pat << rot | pat >> (bpp-rot); + + right = bpp-left; + switch (rect->rop) { + case ROP_XOR: + fill_op = bitfill_unaligned_rev; + break; + case ROP_COPY: + fill_op = bitfill_unaligned; + break; + default: + printk(KERN_ERR "cfb_fillrect(): unknown rop, " + "defaulting to ROP_COPY\n"); + fill_op = bitfill_unaligned; + break; + } + while (height--) { + dst += dst_idx >> (ffs(bits) - 1); + dst_idx &= (bits - 1); + fill_op(dst, dst_idx, pat, left, right, + width*bpp, bits); + r = (p->fix.line_length*8) % bpp; + pat = pat << (bpp-r) | pat >> r; + dst_idx += p->fix.line_length*8; + } + } +} + +EXPORT_SYMBOL(sys_fillrect); + +MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>"); +MODULE_DESCRIPTION("Generic fill rectangle (sys-to-sys)"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/sysimgblt.c b/drivers/video/sysimgblt.c new file mode 100644 index 00000000000..bd7e7e9d155 --- /dev/null +++ b/drivers/video/sysimgblt.c @@ -0,0 +1,291 @@ +/* + * Generic 1-bit or 8-bit source to 1-32 bit destination expansion + * for frame buffer located in system RAM with packed pixels of any depth. + * + * Based almost entirely on cfbimgblt.c + * + * Copyright (C) April 2007 Antonino Daplas <adaplas@pol.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ +#include <linux/module.h> +#include <linux/string.h> +#include <linux/fb.h> +#include <asm/types.h> + +#define DEBUG + +#ifdef DEBUG +#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt,__FUNCTION__,## args) +#else +#define DPRINTK(fmt, args...) +#endif + +static const u32 cfb_tab8[] = { +#if defined(__BIG_ENDIAN) + 0x00000000,0x000000ff,0x0000ff00,0x0000ffff, + 0x00ff0000,0x00ff00ff,0x00ffff00,0x00ffffff, + 0xff000000,0xff0000ff,0xff00ff00,0xff00ffff, + 0xffff0000,0xffff00ff,0xffffff00,0xffffffff +#elif defined(__LITTLE_ENDIAN) + 0x00000000,0xff000000,0x00ff0000,0xffff0000, + 0x0000ff00,0xff00ff00,0x00ffff00,0xffffff00, + 0x000000ff,0xff0000ff,0x00ff00ff,0xffff00ff, + 0x0000ffff,0xff00ffff,0x00ffffff,0xffffffff +#else +#error FIXME: No endianness?? +#endif +}; + +static const u32 cfb_tab16[] = { +#if defined(__BIG_ENDIAN) + 0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff +#elif defined(__LITTLE_ENDIAN) + 0x00000000, 0xffff0000, 0x0000ffff, 0xffffffff +#else +#error FIXME: No endianness?? +#endif +}; + +static const u32 cfb_tab32[] = { + 0x00000000, 0xffffffff +}; + +static void color_imageblit(const struct fb_image *image, struct fb_info *p, + void *dst1, u32 start_index, u32 pitch_index) +{ + /* Draw the penguin */ + u32 *dst, *dst2; + u32 color = 0, val, shift; + int i, n, bpp = p->var.bits_per_pixel; + u32 null_bits = 32 - bpp; + u32 *palette = (u32 *) p->pseudo_palette; + const u8 *src = image->data; + + dst2 = dst1; + for (i = image->height; i--; ) { + n = image->width; + dst = dst1; + shift = 0; + val = 0; + + if (start_index) { + u32 start_mask = ~(FB_SHIFT_HIGH(~(u32)0, + start_index)); + val = *dst & start_mask; + shift = start_index; + } + while (n--) { + if (p->fix.visual == FB_VISUAL_TRUECOLOR || + p->fix.visual == FB_VISUAL_DIRECTCOLOR ) + color = palette[*src]; + else + color = *src; + color <<= FB_LEFT_POS(bpp); + val |= FB_SHIFT_HIGH(color, shift); + if (shift >= null_bits) { + *dst++ = val; + + val = (shift == null_bits) ? 0 : + FB_SHIFT_LOW(color, 32 - shift); + } + shift += bpp; + shift &= (32 - 1); + src++; + } + if (shift) { + u32 end_mask = FB_SHIFT_HIGH(~(u32)0, shift); + + *dst &= end_mask; + *dst |= val; + } + dst1 += p->fix.line_length; + if (pitch_index) { + dst2 += p->fix.line_length; + dst1 = (u8 *)((long)dst2 & ~(sizeof(u32) - 1)); + + start_index += pitch_index; + start_index &= 32 - 1; + } + } +} + +static void slow_imageblit(const struct fb_image *image, struct fb_info *p, + void *dst1, u32 fgcolor, u32 bgcolor, + u32 start_index, u32 pitch_index) +{ + u32 shift, color = 0, bpp = p->var.bits_per_pixel; + u32 *dst, *dst2; + u32 val, pitch = p->fix.line_length; + u32 null_bits = 32 - bpp; + u32 spitch = (image->width+7)/8; + const u8 *src = image->data, *s; + u32 i, j, l; + + dst2 = dst1; + fgcolor <<= FB_LEFT_POS(bpp); + bgcolor <<= FB_LEFT_POS(bpp); + + for (i = image->height; i--; ) { + shift = val = 0; + l = 8; + j = image->width; + dst = dst1; + s = src; + + /* write leading bits */ + if (start_index) { + u32 start_mask = ~(FB_SHIFT_HIGH(~(u32)0,start_index)); + val = *dst & start_mask; + shift = start_index; + } + + while (j--) { + l--; + color = (*s & (1 << l)) ? fgcolor : bgcolor; + val |= FB_SHIFT_HIGH(color, shift); + + /* Did the bitshift spill bits to the next long? */ + if (shift >= null_bits) { + *dst++ = val; + val = (shift == null_bits) ? 0 : + FB_SHIFT_LOW(color,32 - shift); + } + shift += bpp; + shift &= (32 - 1); + if (!l) { l = 8; s++; }; + } + + /* write trailing bits */ + if (shift) { + u32 end_mask = FB_SHIFT_HIGH(~(u32)0, shift); + + *dst &= end_mask; + *dst |= val; + } + + dst1 += pitch; + src += spitch; + if (pitch_index) { + dst2 += pitch; + dst1 = (u8 *)((long)dst2 & ~(sizeof(u32) - 1)); + start_index += pitch_index; + start_index &= 32 - 1; + } + + } +} + +/* + * fast_imageblit - optimized monochrome color expansion + * + * Only if: bits_per_pixel == 8, 16, or 32 + * image->width is divisible by pixel/dword (ppw); + * fix->line_legth is divisible by 4; + * beginning and end of a scanline is dword aligned + */ +static void fast_imageblit(const struct fb_image *image, struct fb_info *p, + void *dst1, u32 fgcolor, u32 bgcolor) +{ + u32 fgx = fgcolor, bgx = bgcolor, bpp = p->var.bits_per_pixel; + u32 ppw = 32/bpp, spitch = (image->width + 7)/8; + u32 bit_mask, end_mask, eorx, shift; + const char *s = image->data, *src; + u32 *dst; + const u32 *tab = NULL; + int i, j, k; + + switch (bpp) { + case 8: + tab = cfb_tab8; + break; + case 16: + tab = cfb_tab16; + break; + case 32: + default: + tab = cfb_tab32; + break; + } + + for (i = ppw-1; i--; ) { + fgx <<= bpp; + bgx <<= bpp; + fgx |= fgcolor; + bgx |= bgcolor; + } + + bit_mask = (1 << ppw) - 1; + eorx = fgx ^ bgx; + k = image->width/ppw; + + for (i = image->height; i--; ) { + dst = dst1; + shift = 8; + src = s; + + for (j = k; j--; ) { + shift -= ppw; + end_mask = tab[(*src >> shift) & bit_mask]; + *dst++ = (end_mask & eorx) ^ bgx; + if (!shift) { + shift = 8; + src++; + } + } + dst1 += p->fix.line_length; + s += spitch; + } +} + +void sys_imageblit(struct fb_info *p, const struct fb_image *image) +{ + u32 fgcolor, bgcolor, start_index, bitstart, pitch_index = 0; + u32 bpl = sizeof(u32), bpp = p->var.bits_per_pixel; + u32 width = image->width; + u32 dx = image->dx, dy = image->dy; + void *dst1; + + if (p->state != FBINFO_STATE_RUNNING) + return; + + bitstart = (dy * p->fix.line_length * 8) + (dx * bpp); + start_index = bitstart & (32 - 1); + pitch_index = (p->fix.line_length & (bpl - 1)) * 8; + + bitstart /= 8; + bitstart &= ~(bpl - 1); + dst1 = (void __force *)p->screen_base + bitstart; + + if (p->fbops->fb_sync) + p->fbops->fb_sync(p); + + if (image->depth == 1) { + if (p->fix.visual == FB_VISUAL_TRUECOLOR || + p->fix.visual == FB_VISUAL_DIRECTCOLOR) { + fgcolor = ((u32*)(p->pseudo_palette))[image->fg_color]; + bgcolor = ((u32*)(p->pseudo_palette))[image->bg_color]; + } else { + fgcolor = image->fg_color; + bgcolor = image->bg_color; + } + + if (32 % bpp == 0 && !start_index && !pitch_index && + ((width & (32/bpp-1)) == 0) && + bpp >= 8 && bpp <= 32) + fast_imageblit(image, p, dst1, fgcolor, bgcolor); + else + slow_imageblit(image, p, dst1, fgcolor, bgcolor, + start_index, pitch_index); + } else + color_imageblit(image, p, dst1, start_index, pitch_index); +} + +EXPORT_SYMBOL(sys_imageblit); + +MODULE_AUTHOR("Antonino Daplas <adaplas@pol.net>"); +MODULE_DESCRIPTION("1-bit/8-bit to 1-32 bit color expansion (sys-to-sys)"); +MODULE_LICENSE("GPL"); + diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c index 7478d0e3e21..f0fde6ea7c3 100644 --- a/drivers/video/tgafb.c +++ b/drivers/video/tgafb.c @@ -5,27 +5,45 @@ * Copyright (C) 1997 Geert Uytterhoeven * Copyright (C) 1999,2000 Martin Lucina, Tom Zerucha * Copyright (C) 2002 Richard Henderson + * Copyright (C) 2006 Maciej W. Rozycki * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive for * more details. */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/slab.h> +#include <linux/bitrev.h> #include <linux/delay.h> -#include <linux/init.h> +#include <linux/device.h> +#include <linux/errno.h> #include <linux/fb.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/module.h> #include <linux/pci.h> #include <linux/selection.h> -#include <linux/bitrev.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/tc.h> + #include <asm/io.h> + #include <video/tgafb.h> +#ifdef CONFIG_PCI +#define TGA_BUS_PCI(dev) (dev->bus == &pci_bus_type) +#else +#define TGA_BUS_PCI(dev) 0 +#endif + +#ifdef CONFIG_TC +#define TGA_BUS_TC(dev) (dev->bus == &tc_bus_type) +#else +#define TGA_BUS_TC(dev) 0 +#endif + /* * Local functions. */ @@ -41,14 +59,19 @@ static void tgafb_init_fix(struct fb_info *); static void tgafb_imageblit(struct fb_info *, const struct fb_image *); static void tgafb_fillrect(struct fb_info *, const struct fb_fillrect *); static void tgafb_copyarea(struct fb_info *, const struct fb_copyarea *); +static int tgafb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info); -static int __devinit tgafb_pci_register(struct pci_dev *, - const struct pci_device_id *); -static void __devexit tgafb_pci_unregister(struct pci_dev *); +static int __devinit tgafb_register(struct device *dev); +static void __devexit tgafb_unregister(struct device *dev); -static const char *mode_option = "640x480@60"; +static const char *mode_option; +static const char *mode_option_pci = "640x480@60"; +static const char *mode_option_tc = "1280x1024@72"; +static struct pci_driver tgafb_pci_driver; +static struct tc_driver tgafb_tc_driver; + /* * Frame buffer operations */ @@ -59,15 +82,20 @@ static struct fb_ops tgafb_ops = { .fb_set_par = tgafb_set_par, .fb_setcolreg = tgafb_setcolreg, .fb_blank = tgafb_blank, + .fb_pan_display = tgafb_pan_display, .fb_fillrect = tgafb_fillrect, .fb_copyarea = tgafb_copyarea, .fb_imageblit = tgafb_imageblit, }; +#ifdef CONFIG_PCI /* * PCI registration operations */ +static int __devinit tgafb_pci_register(struct pci_dev *, + const struct pci_device_id *); +static void __devexit tgafb_pci_unregister(struct pci_dev *); static struct pci_device_id const tgafb_pci_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TGA) }, @@ -75,13 +103,68 @@ static struct pci_device_id const tgafb_pci_table[] = { }; MODULE_DEVICE_TABLE(pci, tgafb_pci_table); -static struct pci_driver tgafb_driver = { +static struct pci_driver tgafb_pci_driver = { .name = "tgafb", .id_table = tgafb_pci_table, .probe = tgafb_pci_register, .remove = __devexit_p(tgafb_pci_unregister), }; +static int __devinit +tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + return tgafb_register(&pdev->dev); +} + +static void __devexit +tgafb_pci_unregister(struct pci_dev *pdev) +{ + tgafb_unregister(&pdev->dev); +} +#endif /* CONFIG_PCI */ + +#ifdef CONFIG_TC +/* + * TC registration operations + */ +static int __devinit tgafb_tc_register(struct device *); +static int __devexit tgafb_tc_unregister(struct device *); + +static struct tc_device_id const tgafb_tc_table[] = { + { "DEC ", "PMAGD-AA" }, + { "DEC ", "PMAGD " }, + { } +}; +MODULE_DEVICE_TABLE(tc, tgafb_tc_table); + +static struct tc_driver tgafb_tc_driver = { + .id_table = tgafb_tc_table, + .driver = { + .name = "tgafb", + .bus = &tc_bus_type, + .probe = tgafb_tc_register, + .remove = __devexit_p(tgafb_tc_unregister), + }, +}; + +static int __devinit +tgafb_tc_register(struct device *dev) +{ + int status = tgafb_register(dev); + if (!status) + get_device(dev); + return status; +} + +static int __devexit +tgafb_tc_unregister(struct device *dev) +{ + put_device(dev); + tgafb_unregister(dev); + return 0; +} +#endif /* CONFIG_TC */ + /** * tgafb_check_var - Optional function. Validates a var passed in. @@ -132,10 +215,10 @@ static int tgafb_set_par(struct fb_info *info) { static unsigned int const deep_presets[4] = { - 0x00014000, - 0x0001440d, + 0x00004000, + 0x0000440d, 0xffffffff, - 0x0001441d + 0x0000441d }; static unsigned int const rasterop_presets[4] = { 0x00000003, @@ -157,6 +240,8 @@ tgafb_set_par(struct fb_info *info) }; struct tga_par *par = (struct tga_par *) info->par; + int tga_bus_pci = TGA_BUS_PCI(par->dev); + int tga_bus_tc = TGA_BUS_TC(par->dev); u32 htimings, vtimings, pll_freq; u8 tga_type; int i; @@ -221,7 +306,7 @@ tgafb_set_par(struct fb_info *info) TGA_WRITE_REG(par, vtimings, TGA_VERT_REG); /* Initalise RAMDAC. */ - if (tga_type == TGA_TYPE_8PLANE) { + if (tga_type == TGA_TYPE_8PLANE && tga_bus_pci) { /* Init BT485 RAMDAC registers. */ BT485_WRITE(par, 0xa2 | (par->sync_on_green ? 0x8 : 0x0), @@ -236,21 +321,7 @@ tgafb_set_par(struct fb_info *info) BT485_WRITE(par, 0x00, BT485_ADDR_PAL_WRITE); TGA_WRITE_REG(par, BT485_DATA_PAL, TGA_RAMDAC_SETUP_REG); -#ifdef CONFIG_HW_CONSOLE - for (i = 0; i < 16; i++) { - int j = color_table[i]; - - TGA_WRITE_REG(par, default_red[j]|(BT485_DATA_PAL<<8), - TGA_RAMDAC_REG); - TGA_WRITE_REG(par, default_grn[j]|(BT485_DATA_PAL<<8), - TGA_RAMDAC_REG); - TGA_WRITE_REG(par, default_blu[j]|(BT485_DATA_PAL<<8), - TGA_RAMDAC_REG); - } - for (i = 0; i < 240 * 3; i += 4) { -#else for (i = 0; i < 256 * 3; i += 4) { -#endif TGA_WRITE_REG(par, 0x55 | (BT485_DATA_PAL << 8), TGA_RAMDAC_REG); TGA_WRITE_REG(par, 0x00 | (BT485_DATA_PAL << 8), @@ -261,6 +332,27 @@ tgafb_set_par(struct fb_info *info) TGA_RAMDAC_REG); } + } else if (tga_type == TGA_TYPE_8PLANE && tga_bus_tc) { + + /* Init BT459 RAMDAC registers. */ + BT459_WRITE(par, BT459_REG_ACC, BT459_CMD_REG_0, 0x40); + BT459_WRITE(par, BT459_REG_ACC, BT459_CMD_REG_1, 0x00); + BT459_WRITE(par, BT459_REG_ACC, BT459_CMD_REG_2, + (par->sync_on_green ? 0xc0 : 0x40)); + + BT459_WRITE(par, BT459_REG_ACC, BT459_CUR_CMD_REG, 0x00); + + /* Fill the palette. */ + BT459_LOAD_ADDR(par, 0x0000); + TGA_WRITE_REG(par, BT459_PALETTE << 2, TGA_RAMDAC_SETUP_REG); + + for (i = 0; i < 256 * 3; i += 4) { + TGA_WRITE_REG(par, 0x55, TGA_RAMDAC_REG); + TGA_WRITE_REG(par, 0x00, TGA_RAMDAC_REG); + TGA_WRITE_REG(par, 0x00, TGA_RAMDAC_REG); + TGA_WRITE_REG(par, 0x00, TGA_RAMDAC_REG); + } + } else { /* 24-plane or 24plusZ */ /* Init BT463 RAMDAC registers. */ @@ -431,6 +523,8 @@ tgafb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) { struct tga_par *par = (struct tga_par *) info->par; + int tga_bus_pci = TGA_BUS_PCI(par->dev); + int tga_bus_tc = TGA_BUS_TC(par->dev); if (regno > 255) return 1; @@ -438,12 +532,18 @@ tgafb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, green >>= 8; blue >>= 8; - if (par->tga_type == TGA_TYPE_8PLANE) { + if (par->tga_type == TGA_TYPE_8PLANE && tga_bus_pci) { BT485_WRITE(par, regno, BT485_ADDR_PAL_WRITE); TGA_WRITE_REG(par, BT485_DATA_PAL, TGA_RAMDAC_SETUP_REG); TGA_WRITE_REG(par, red|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG); TGA_WRITE_REG(par, green|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG); TGA_WRITE_REG(par, blue|(BT485_DATA_PAL<<8),TGA_RAMDAC_REG); + } else if (par->tga_type == TGA_TYPE_8PLANE && tga_bus_tc) { + BT459_LOAD_ADDR(par, regno); + TGA_WRITE_REG(par, BT459_PALETTE << 2, TGA_RAMDAC_SETUP_REG); + TGA_WRITE_REG(par, red, TGA_RAMDAC_REG); + TGA_WRITE_REG(par, green, TGA_RAMDAC_REG); + TGA_WRITE_REG(par, blue, TGA_RAMDAC_REG); } else { if (regno < 16) { u32 value = (regno << 16) | (regno << 8) | regno; @@ -523,16 +623,8 @@ tgafb_blank(int blank, struct fb_info *info) * Acceleration. */ -/** - * tgafb_imageblit - REQUIRED function. Can use generic routines if - * non acclerated hardware and packed pixel based. - * Copies a image from system memory to the screen. - * - * @info: frame buffer structure that represents a single frame buffer - * @image: structure defining the image. - */ static void -tgafb_imageblit(struct fb_info *info, const struct fb_image *image) +tgafb_mono_imageblit(struct fb_info *info, const struct fb_image *image) { struct tga_par *par = (struct tga_par *) info->par; u32 fgcolor, bgcolor, dx, dy, width, height, vxres, vyres, pixelmask; @@ -542,6 +634,17 @@ tgafb_imageblit(struct fb_info *info, const struct fb_image *image) void __iomem *regs_base; void __iomem *fb_base; + is8bpp = info->var.bits_per_pixel == 8; + + /* For copies that aren't pixel expansion, there's little we + can do better than the generic code. */ + /* ??? There is a DMA write mode; I wonder if that could be + made to pull the data from the image buffer... */ + if (image->depth > 1) { + cfb_imageblit(info, image); + return; + } + dx = image->dx; dy = image->dy; width = image->width; @@ -559,18 +662,8 @@ tgafb_imageblit(struct fb_info *info, const struct fb_image *image) if (dy + height > vyres) height = vyres - dy; - /* For copies that aren't pixel expansion, there's little we - can do better than the generic code. */ - /* ??? There is a DMA write mode; I wonder if that could be - made to pull the data from the image buffer... */ - if (image->depth > 1) { - cfb_imageblit(info, image); - return; - } - regs_base = par->tga_regs_base; fb_base = par->tga_fb_base; - is8bpp = info->var.bits_per_pixel == 8; /* Expand the color values to fill 32-bits. */ /* ??? Would be nice to notice colour changes elsewhere, so @@ -748,6 +841,85 @@ tgafb_imageblit(struct fb_info *info, const struct fb_image *image) regs_base + TGA_MODE_REG); } +static void +tgafb_clut_imageblit(struct fb_info *info, const struct fb_image *image) +{ + struct tga_par *par = (struct tga_par *) info->par; + u32 color, dx, dy, width, height, vxres, vyres; + u32 *palette = ((u32 *)info->pseudo_palette); + unsigned long pos, line_length, i, j; + const unsigned char *data; + void *regs_base, *fb_base; + + dx = image->dx; + dy = image->dy; + width = image->width; + height = image->height; + vxres = info->var.xres_virtual; + vyres = info->var.yres_virtual; + line_length = info->fix.line_length; + + /* Crop the image to the screen. */ + if (dx > vxres || dy > vyres) + return; + if (dx + width > vxres) + width = vxres - dx; + if (dy + height > vyres) + height = vyres - dy; + + regs_base = par->tga_regs_base; + fb_base = par->tga_fb_base; + + pos = dy * line_length + (dx * 4); + data = image->data; + + /* Now copy the image, color_expanding via the palette. */ + for (i = 0; i < height; i++) { + for (j = 0; j < width; j++) { + color = palette[*data++]; + __raw_writel(color, fb_base + pos + j*4); + } + pos += line_length; + } +} + +/** + * tgafb_imageblit - REQUIRED function. Can use generic routines if + * non acclerated hardware and packed pixel based. + * Copies a image from system memory to the screen. + * + * @info: frame buffer structure that represents a single frame buffer + * @image: structure defining the image. + */ +static void +tgafb_imageblit(struct fb_info *info, const struct fb_image *image) +{ + unsigned int is8bpp = info->var.bits_per_pixel == 8; + + /* If a mono image, regardless of FB depth, go do it. */ + if (image->depth == 1) { + tgafb_mono_imageblit(info, image); + return; + } + + /* For copies that aren't pixel expansion, there's little we + can do better than the generic code. */ + /* ??? There is a DMA write mode; I wonder if that could be + made to pull the data from the image buffer... */ + if (image->depth == info->var.bits_per_pixel) { + cfb_imageblit(info, image); + return; + } + + /* If 24-plane FB and the image is 8-plane with CLUT, we can do it. */ + if (!is8bpp && image->depth == 8) { + tgafb_clut_imageblit(info, image); + return; + } + + /* Silently return... */ +} + /** * tgafb_fillrect - REQUIRED function. Can use generic routines if * non acclerated hardware and packed pixel based. @@ -1309,18 +1481,29 @@ static void tgafb_init_fix(struct fb_info *info) { struct tga_par *par = (struct tga_par *)info->par; + int tga_bus_pci = TGA_BUS_PCI(par->dev); + int tga_bus_tc = TGA_BUS_TC(par->dev); u8 tga_type = par->tga_type; - const char *tga_type_name; + const char *tga_type_name = NULL; switch (tga_type) { case TGA_TYPE_8PLANE: - tga_type_name = "Digital ZLXp-E1"; + if (tga_bus_pci) + tga_type_name = "Digital ZLXp-E1"; + if (tga_bus_tc) + tga_type_name = "Digital ZLX-E1"; break; case TGA_TYPE_24PLANE: - tga_type_name = "Digital ZLXp-E2"; + if (tga_bus_pci) + tga_type_name = "Digital ZLXp-E2"; + if (tga_bus_tc) + tga_type_name = "Digital ZLX-E2"; break; case TGA_TYPE_24PLUSZ: - tga_type_name = "Digital ZLXp-E3"; + if (tga_bus_pci) + tga_type_name = "Digital ZLXp-E3"; + if (tga_bus_tc) + tga_type_name = "Digital ZLX-E3"; break; default: tga_type_name = "Unknown"; @@ -1346,11 +1529,37 @@ tgafb_init_fix(struct fb_info *info) info->fix.ywrapstep = 0; info->fix.accel = FB_ACCEL_DEC_TGA; + + /* + * These are needed by fb_set_logo_truepalette(), so we + * set them here for 24-plane cards. + */ + if (tga_type != TGA_TYPE_8PLANE) { + info->var.red.length = 8; + info->var.green.length = 8; + info->var.blue.length = 8; + info->var.red.offset = 16; + info->var.green.offset = 8; + info->var.blue.offset = 0; + } } -static __devinit int -tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) +static int tgafb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) +{ + /* We just use this to catch switches out of graphics mode. */ + tgafb_set_par(info); /* A bit of overkill for BASE_ADDR reset. */ + return 0; +} + +static int __devinit +tgafb_register(struct device *dev) { + static const struct fb_videomode modedb_tc = { + /* 1280x1024 @ 72 Hz, 76.8 kHz hsync */ + "1280x1024@72", 0, 1280, 1024, 7645, 224, 28, 33, 3, 160, 3, + FB_SYNC_ON_GREEN, FB_VMODE_NONINTERLACED + }; + static unsigned int const fb_offset_presets[4] = { TGA_8PLANE_FB_OFFSET, TGA_24PLANE_FB_OFFSET, @@ -1358,40 +1567,51 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) TGA_24PLUSZ_FB_OFFSET }; + const struct fb_videomode *modedb_tga = NULL; + resource_size_t bar0_start = 0, bar0_len = 0; + const char *mode_option_tga = NULL; + int tga_bus_pci = TGA_BUS_PCI(dev); + int tga_bus_tc = TGA_BUS_TC(dev); + unsigned int modedbsize_tga = 0; void __iomem *mem_base; - unsigned long bar0_start, bar0_len; struct fb_info *info; struct tga_par *par; u8 tga_type; - int ret; + int ret = 0; /* Enable device in PCI config. */ - if (pci_enable_device(pdev)) { + if (tga_bus_pci && pci_enable_device(to_pci_dev(dev))) { printk(KERN_ERR "tgafb: Cannot enable PCI device\n"); return -ENODEV; } /* Allocate the fb and par structures. */ - info = framebuffer_alloc(sizeof(struct tga_par), &pdev->dev); + info = framebuffer_alloc(sizeof(struct tga_par), dev); if (!info) { printk(KERN_ERR "tgafb: Cannot allocate memory\n"); return -ENOMEM; } par = info->par; - pci_set_drvdata(pdev, info); + dev_set_drvdata(dev, info); /* Request the mem regions. */ - bar0_start = pci_resource_start(pdev, 0); - bar0_len = pci_resource_len(pdev, 0); ret = -ENODEV; + if (tga_bus_pci) { + bar0_start = pci_resource_start(to_pci_dev(dev), 0); + bar0_len = pci_resource_len(to_pci_dev(dev), 0); + } + if (tga_bus_tc) { + bar0_start = to_tc_dev(dev)->resource.start; + bar0_len = to_tc_dev(dev)->resource.end - bar0_start + 1; + } if (!request_mem_region (bar0_start, bar0_len, "tgafb")) { printk(KERN_ERR "tgafb: cannot reserve FB region\n"); goto err0; } /* Map the framebuffer. */ - mem_base = ioremap(bar0_start, bar0_len); + mem_base = ioremap_nocache(bar0_start, bar0_len); if (!mem_base) { printk(KERN_ERR "tgafb: Cannot map MMIO\n"); goto err1; @@ -1399,12 +1619,16 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) /* Grab info about the card. */ tga_type = (readl(mem_base) >> 12) & 0x0f; - par->pdev = pdev; + par->dev = dev; par->tga_mem_base = mem_base; par->tga_fb_base = mem_base + fb_offset_presets[tga_type]; par->tga_regs_base = mem_base + TGA_REGS_OFFSET; par->tga_type = tga_type; - pci_read_config_byte(pdev, PCI_REVISION_ID, &par->tga_chip_rev); + if (tga_bus_pci) + pci_read_config_byte(to_pci_dev(dev), PCI_REVISION_ID, + &par->tga_chip_rev); + if (tga_bus_tc) + par->tga_chip_rev = TGA_READ_REG(par, TGA_START_REG) & 0xff; /* Setup framebuffer. */ info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | @@ -1414,8 +1638,17 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) info->pseudo_palette = (void *)(par + 1); /* This should give a reasonable default video mode. */ - - ret = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, + if (tga_bus_pci) { + mode_option_tga = mode_option_pci; + } + if (tga_bus_tc) { + mode_option_tga = mode_option_tc; + modedb_tga = &modedb_tc; + modedbsize_tga = 1; + } + ret = fb_find_mode(&info->var, info, + mode_option ? mode_option : mode_option_tga, + modedb_tga, modedbsize_tga, NULL, tga_type == TGA_TYPE_8PLANE ? 8 : 32); if (ret == 0 || ret == 4) { printk(KERN_ERR "tgafb: Could not find valid video mode\n"); @@ -1438,13 +1671,19 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) goto err1; } - printk(KERN_INFO "tgafb: DC21030 [TGA] detected, rev=0x%02x\n", - par->tga_chip_rev); - printk(KERN_INFO "tgafb: at PCI bus %d, device %d, function %d\n", - pdev->bus->number, PCI_SLOT(pdev->devfn), - PCI_FUNC(pdev->devfn)); - printk(KERN_INFO "fb%d: %s frame buffer device at 0x%lx\n", - info->node, info->fix.id, bar0_start); + if (tga_bus_pci) { + pr_info("tgafb: DC21030 [TGA] detected, rev=0x%02x\n", + par->tga_chip_rev); + pr_info("tgafb: at PCI bus %d, device %d, function %d\n", + to_pci_dev(dev)->bus->number, + PCI_SLOT(to_pci_dev(dev)->devfn), + PCI_FUNC(to_pci_dev(dev)->devfn)); + } + if (tga_bus_tc) + pr_info("tgafb: SFB+ detected, rev=0x%02x\n", + par->tga_chip_rev); + pr_info("fb%d: %s frame buffer device at 0x%lx\n", + info->node, info->fix.id, (long)bar0_start); return 0; @@ -1458,25 +1697,39 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) } static void __devexit -tgafb_pci_unregister(struct pci_dev *pdev) +tgafb_unregister(struct device *dev) { - struct fb_info *info = pci_get_drvdata(pdev); - struct tga_par *par = info->par; + resource_size_t bar0_start = 0, bar0_len = 0; + int tga_bus_pci = TGA_BUS_PCI(dev); + int tga_bus_tc = TGA_BUS_TC(dev); + struct fb_info *info = NULL; + struct tga_par *par; + info = dev_get_drvdata(dev); if (!info) return; + + par = info->par; unregister_framebuffer(info); fb_dealloc_cmap(&info->cmap); iounmap(par->tga_mem_base); - release_mem_region(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); + if (tga_bus_pci) { + bar0_start = pci_resource_start(to_pci_dev(dev), 0); + bar0_len = pci_resource_len(to_pci_dev(dev), 0); + } + if (tga_bus_tc) { + bar0_start = to_tc_dev(dev)->resource.start; + bar0_len = to_tc_dev(dev)->resource.end - bar0_start + 1; + } + release_mem_region(bar0_start, bar0_len); framebuffer_release(info); } static void __devexit tgafb_exit(void) { - pci_unregister_driver(&tgafb_driver); + tc_unregister_driver(&tgafb_tc_driver); + pci_unregister_driver(&tgafb_pci_driver); } #ifndef MODULE @@ -1505,6 +1758,7 @@ tgafb_setup(char *arg) static int __devinit tgafb_init(void) { + int status; #ifndef MODULE char *option = NULL; @@ -1512,7 +1766,10 @@ tgafb_init(void) return -ENODEV; tgafb_setup(option); #endif - return pci_register_driver(&tgafb_driver); + status = pci_register_driver(&tgafb_pci_driver); + if (!status) + status = tc_register_driver(&tgafb_tc_driver); + return status; } /* @@ -1522,5 +1779,5 @@ tgafb_init(void) module_init(tgafb_init); module_exit(tgafb_exit); -MODULE_DESCRIPTION("framebuffer driver for TGA chipset"); +MODULE_DESCRIPTION("Framebuffer driver for TGA/SFB+ chipset"); MODULE_LICENSE("GPL"); diff --git a/drivers/video/vermilion/Makefile b/drivers/video/vermilion/Makefile new file mode 100644 index 00000000000..cc21a656153 --- /dev/null +++ b/drivers/video/vermilion/Makefile @@ -0,0 +1,5 @@ +obj-$(CONFIG_FB_LE80578) += vmlfb.o +obj-$(CONFIG_FB_CARILLO_RANCH) += crvml.o + +vmlfb-objs := vermilion.o +crvml-objs := cr_pll.o diff --git a/drivers/video/vermilion/cr_pll.c b/drivers/video/vermilion/cr_pll.c new file mode 100644 index 00000000000..ebc6e6e0dd0 --- /dev/null +++ b/drivers/video/vermilion/cr_pll.c @@ -0,0 +1,208 @@ +/* + * Copyright (c) Intel Corp. 2007. + * All Rights Reserved. + * + * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + * develop this driver. + * + * This file is part of the Carillo Ranch video subsystem driver. + * The Carillo Ranch video subsystem driver is free software; + * you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * The Carillo Ranch video subsystem driver is distributed + * in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this driver; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Authors: + * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> + * Alan Hourihane <alanh-at-tungstengraphics-dot-com> + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/errno.h> +#include <linux/fb.h> +#include "vermilion.h" + +/* The PLL Clock register sits on Host bridge */ +#define CRVML_DEVICE_MCH 0x5001 +#define CRVML_REG_MCHBAR 0x44 +#define CRVML_REG_MCHEN 0x54 +#define CRVML_MCHEN_BIT (1 << 28) +#define CRVML_MCHMAP_SIZE 4096 +#define CRVML_REG_CLOCK 0xc3c +#define CRVML_CLOCK_SHIFT 8 +#define CRVML_CLOCK_MASK 0x00000f00 + +static struct pci_dev *mch_dev; +static u32 mch_bar; +static void __iomem *mch_regs_base; +static u32 saved_clock; + +static const unsigned crvml_clocks[] = { + 6750, + 13500, + 27000, + 29700, + 37125, + 54000, + 59400, + 74250, + 120000 + /* + * There are more clocks, but they are disabled on the CR board. + */ +}; + +static const u32 crvml_clock_bits[] = { + 0x0a, + 0x09, + 0x08, + 0x07, + 0x06, + 0x05, + 0x04, + 0x03, + 0x0b +}; + +static const unsigned crvml_num_clocks = ARRAY_SIZE(crvml_clocks); + +static int crvml_sys_restore(struct vml_sys *sys) +{ + void __iomem *clock_reg = mch_regs_base + CRVML_REG_CLOCK; + + iowrite32(saved_clock, clock_reg); + ioread32(clock_reg); + + return 0; +} + +static int crvml_sys_save(struct vml_sys *sys) +{ + void __iomem *clock_reg = mch_regs_base + CRVML_REG_CLOCK; + + saved_clock = ioread32(clock_reg); + + return 0; +} + +static int crvml_nearest_index(const struct vml_sys *sys, int clock) +{ + int i; + int cur_index = 0; + int cur_diff; + int diff; + + cur_diff = clock - crvml_clocks[0]; + cur_diff = (cur_diff < 0) ? -cur_diff : cur_diff; + for (i = 1; i < crvml_num_clocks; ++i) { + diff = clock - crvml_clocks[i]; + diff = (diff < 0) ? -diff : diff; + if (diff < cur_diff) { + cur_index = i; + cur_diff = diff; + } + } + return cur_index; +} + +static int crvml_nearest_clock(const struct vml_sys *sys, int clock) +{ + return crvml_clocks[crvml_nearest_index(sys, clock)]; +} + +static int crvml_set_clock(struct vml_sys *sys, int clock) +{ + void __iomem *clock_reg = mch_regs_base + CRVML_REG_CLOCK; + int index; + u32 clock_val; + + index = crvml_nearest_index(sys, clock); + + if (crvml_clocks[index] != clock) + return -EINVAL; + + clock_val = ioread32(clock_reg) & ~CRVML_CLOCK_MASK; + clock_val = crvml_clock_bits[index] << CRVML_CLOCK_SHIFT; + iowrite32(clock_val, clock_reg); + ioread32(clock_reg); + + return 0; +} + +static struct vml_sys cr_pll_ops = { + .name = "Carillo Ranch", + .save = crvml_sys_save, + .restore = crvml_sys_restore, + .set_clock = crvml_set_clock, + .nearest_clock = crvml_nearest_clock, +}; + +static int __init cr_pll_init(void) +{ + int err; + u32 dev_en; + + mch_dev = pci_get_device(PCI_VENDOR_ID_INTEL, + CRVML_DEVICE_MCH, NULL); + if (!mch_dev) { + printk(KERN_ERR + "Could not find Carillo Ranch MCH device.\n"); + return -ENODEV; + } + + pci_read_config_dword(mch_dev, CRVML_REG_MCHEN, &dev_en); + if (!(dev_en & CRVML_MCHEN_BIT)) { + printk(KERN_ERR + "Carillo Ranch MCH device was not enabled.\n"); + pci_dev_put(mch_dev); + return -ENODEV; + } + + pci_read_config_dword(mch_dev, CRVML_REG_MCHBAR, + &mch_bar); + mch_regs_base = + ioremap_nocache(mch_bar, CRVML_MCHMAP_SIZE); + if (!mch_regs_base) { + printk(KERN_ERR + "Carillo Ranch MCH device was not enabled.\n"); + pci_dev_put(mch_dev); + return -ENODEV; + } + + err = vmlfb_register_subsys(&cr_pll_ops); + if (err) { + printk(KERN_ERR + "Carillo Ranch failed to initialize vml_sys.\n"); + pci_dev_put(mch_dev); + return err; + } + + return 0; +} + +static void __exit cr_pll_exit(void) +{ + vmlfb_unregister_subsys(&cr_pll_ops); + + iounmap(mch_regs_base); + pci_dev_put(mch_dev); +} + +module_init(cr_pll_init); +module_exit(cr_pll_exit); + +MODULE_AUTHOR("Tungsten Graphics Inc."); +MODULE_DESCRIPTION("Carillo Ranch PLL Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/vermilion/vermilion.c b/drivers/video/vermilion/vermilion.c new file mode 100644 index 00000000000..de531c90771 --- /dev/null +++ b/drivers/video/vermilion/vermilion.c @@ -0,0 +1,1195 @@ +/* + * Copyright (c) Intel Corp. 2007. + * All Rights Reserved. + * + * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + * develop this driver. + * + * This file is part of the Vermilion Range fb driver. + * The Vermilion Range fb driver is free software; + * you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * The Vermilion Range fb driver is distributed + * in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this driver; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Authors: + * Thomas Hellström <thomas-at-tungstengraphics-dot-com> + * Michel Dänzer <michel-at-tungstengraphics-dot-com> + * Alan Hourihane <alanh-at-tungstengraphics-dot-com> + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/delay.h> +#include <linux/mm.h> +#include <linux/fb.h> +#include <linux/pci.h> +#include <asm/cacheflush.h> +#include <asm/tlbflush.h> +#include <linux/mmzone.h> +#include <asm/uaccess.h> + +/* #define VERMILION_DEBUG */ + +#include "vermilion.h" + +#define MODULE_NAME "vmlfb" + +#define VML_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) + +static struct mutex vml_mutex; +static struct list_head global_no_mode; +static struct list_head global_has_mode; +static struct fb_ops vmlfb_ops; +static struct vml_sys *subsys = NULL; +static char *vml_default_mode = "1024x768@60"; +static struct fb_videomode defaultmode = { + NULL, 60, 1024, 768, 12896, 144, 24, 29, 3, 136, 6, + 0, FB_VMODE_NONINTERLACED +}; + +static u32 vml_mem_requested = (10 * 1024 * 1024); +static u32 vml_mem_contig = (4 * 1024 * 1024); +static u32 vml_mem_min = (4 * 1024 * 1024); + +static u32 vml_clocks[] = { + 6750, + 13500, + 27000, + 29700, + 37125, + 54000, + 59400, + 74250, + 120000, + 148500 +}; + +static u32 vml_num_clocks = ARRAY_SIZE(vml_clocks); + +/* + * Allocate a contiguous vram area and make its linear kernel map + * uncached. + */ + +static int vmlfb_alloc_vram_area(struct vram_area *va, unsigned max_order, + unsigned min_order) +{ + gfp_t flags; + unsigned long i; + pgprot_t wc_pageprot; + + wc_pageprot = PAGE_KERNEL_NOCACHE; + max_order++; + do { + /* + * Really try hard to get the needed memory. + * We need memory below the first 32MB, so we + * add the __GFP_DMA flag that guarantees that we are + * below the first 16MB. + */ + + flags = __GFP_DMA | __GFP_HIGH; + va->logical = + __get_free_pages(flags, --max_order); + } while (va->logical == 0 && max_order > min_order); + + if (!va->logical) + return -ENOMEM; + + va->phys = virt_to_phys((void *)va->logical); + va->size = PAGE_SIZE << max_order; + va->order = max_order; + + /* + * It seems like __get_free_pages only ups the usage count + * of the first page. This doesn't work with nopage mapping, so + * up the usage count once more. + */ + + memset((void *)va->logical, 0x00, va->size); + for (i = va->logical; i < va->logical + va->size; i += PAGE_SIZE) { + get_page(virt_to_page(i)); + } + + /* + * Change caching policy of the linear kernel map to avoid + * mapping type conflicts with user-space mappings. + * The first global_flush_tlb() is really only there to do a global + * wbinvd(). + */ + + global_flush_tlb(); + change_page_attr(virt_to_page(va->logical), va->size >> PAGE_SHIFT, + wc_pageprot); + global_flush_tlb(); + + printk(KERN_DEBUG MODULE_NAME + ": Allocated %ld bytes vram area at 0x%08lx\n", + va->size, va->phys); + + return 0; +} + +/* + * Free a contiguous vram area and reset its linear kernel map + * mapping type. + */ + +static void vmlfb_free_vram_area(struct vram_area *va) +{ + unsigned long j; + + if (va->logical) { + + /* + * Reset the linear kernel map caching policy. + */ + + change_page_attr(virt_to_page(va->logical), + va->size >> PAGE_SHIFT, PAGE_KERNEL); + global_flush_tlb(); + + /* + * Decrease the usage count on the pages we've used + * to compensate for upping when allocating. + */ + + for (j = va->logical; j < va->logical + va->size; + j += PAGE_SIZE) { + (void)put_page_testzero(virt_to_page(j)); + } + + printk(KERN_DEBUG MODULE_NAME + ": Freeing %ld bytes vram area at 0x%08lx\n", + va->size, va->phys); + free_pages(va->logical, va->order); + + va->logical = 0; + } +} + +/* + * Free allocated vram. + */ + +static void vmlfb_free_vram(struct vml_info *vinfo) +{ + int i; + + for (i = 0; i < vinfo->num_areas; ++i) { + vmlfb_free_vram_area(&vinfo->vram[i]); + } + vinfo->num_areas = 0; +} + +/* + * Allocate vram. Currently we try to allocate contiguous areas from the + * __GFP_DMA zone and puzzle them together. A better approach would be to + * allocate one contiguous area for scanout and use one-page allocations for + * offscreen areas. This requires user-space and GPU virtual mappings. + */ + +static int vmlfb_alloc_vram(struct vml_info *vinfo, + size_t requested, + size_t min_total, size_t min_contig) +{ + int i, j; + int order; + int contiguous; + int err; + struct vram_area *va; + struct vram_area *va2; + + vinfo->num_areas = 0; + for (i = 0; i < VML_VRAM_AREAS; ++i) { + va = &vinfo->vram[i]; + order = 0; + + while (requested > (PAGE_SIZE << order) && order < MAX_ORDER) + order++; + + err = vmlfb_alloc_vram_area(va, order, 0); + + if (err) + break; + + if (i == 0) { + vinfo->vram_start = va->phys; + vinfo->vram_logical = (void __iomem *) va->logical; + vinfo->vram_contig_size = va->size; + vinfo->num_areas = 1; + } else { + contiguous = 0; + + for (j = 0; j < i; ++j) { + va2 = &vinfo->vram[j]; + if (va->phys + va->size == va2->phys || + va2->phys + va2->size == va->phys) { + contiguous = 1; + break; + } + } + + if (contiguous) { + vinfo->num_areas++; + if (va->phys < vinfo->vram_start) { + vinfo->vram_start = va->phys; + vinfo->vram_logical = + (void __iomem *)va->logical; + } + vinfo->vram_contig_size += va->size; + } else { + vmlfb_free_vram_area(va); + break; + } + } + + if (requested < va->size) + break; + else + requested -= va->size; + } + + if (vinfo->vram_contig_size > min_total && + vinfo->vram_contig_size > min_contig) { + + printk(KERN_DEBUG MODULE_NAME + ": Contiguous vram: %ld bytes at physical 0x%08lx.\n", + (unsigned long)vinfo->vram_contig_size, + (unsigned long)vinfo->vram_start); + + return 0; + } + + printk(KERN_ERR MODULE_NAME + ": Could not allocate requested minimal amount of vram.\n"); + + vmlfb_free_vram(vinfo); + + return -ENOMEM; +} + +/* + * Find the GPU to use with our display controller. + */ + +static int vmlfb_get_gpu(struct vml_par *par) +{ + mutex_lock(&vml_mutex); + + par->gpu = pci_get_device(PCI_VENDOR_ID_INTEL, VML_DEVICE_GPU, NULL); + + if (!par->gpu) { + mutex_unlock(&vml_mutex); + return -ENODEV; + } + + mutex_unlock(&vml_mutex); + + if (pci_enable_device(par->gpu) < 0) + return -ENODEV; + + return 0; +} + +/* + * Find a contiguous vram area that contains a given offset from vram start. + */ +static int vmlfb_vram_offset(struct vml_info *vinfo, unsigned long offset) +{ + unsigned long aoffset; + unsigned i; + + for (i = 0; i < vinfo->num_areas; ++i) { + aoffset = offset - (vinfo->vram[i].phys - vinfo->vram_start); + + if (aoffset < vinfo->vram[i].size) { + return 0; + } + } + + return -EINVAL; +} + +/* + * Remap the MMIO register spaces of the VDC and the GPU. + */ + +static int vmlfb_enable_mmio(struct vml_par *par) +{ + int err; + + par->vdc_mem_base = pci_resource_start(par->vdc, 0); + par->vdc_mem_size = pci_resource_len(par->vdc, 0); + if (!request_mem_region(par->vdc_mem_base, par->vdc_mem_size, "vmlfb")) { + printk(KERN_ERR MODULE_NAME + ": Could not claim display controller MMIO.\n"); + return -EBUSY; + } + par->vdc_mem = ioremap_nocache(par->vdc_mem_base, par->vdc_mem_size); + if (par->vdc_mem == NULL) { + printk(KERN_ERR MODULE_NAME + ": Could not map display controller MMIO.\n"); + err = -ENOMEM; + goto out_err_0; + } + + par->gpu_mem_base = pci_resource_start(par->gpu, 0); + par->gpu_mem_size = pci_resource_len(par->gpu, 0); + if (!request_mem_region(par->gpu_mem_base, par->gpu_mem_size, "vmlfb")) { + printk(KERN_ERR MODULE_NAME ": Could not claim GPU MMIO.\n"); + err = -EBUSY; + goto out_err_1; + } + par->gpu_mem = ioremap_nocache(par->gpu_mem_base, par->gpu_mem_size); + if (par->gpu_mem == NULL) { + printk(KERN_ERR MODULE_NAME ": Could not map GPU MMIO.\n"); + err = -ENOMEM; + goto out_err_2; + } + + return 0; + +out_err_2: + release_mem_region(par->gpu_mem_base, par->gpu_mem_size); +out_err_1: + iounmap(par->vdc_mem); +out_err_0: + release_mem_region(par->vdc_mem_base, par->vdc_mem_size); + return err; +} + +/* + * Unmap the VDC and GPU register spaces. + */ + +static void vmlfb_disable_mmio(struct vml_par *par) +{ + iounmap(par->gpu_mem); + release_mem_region(par->gpu_mem_base, par->gpu_mem_size); + iounmap(par->vdc_mem); + release_mem_region(par->vdc_mem_base, par->vdc_mem_size); +} + +/* + * Release and uninit the VDC and GPU. + */ + +static void vmlfb_release_devices(struct vml_par *par) +{ + if (atomic_dec_and_test(&par->refcount)) { + pci_set_drvdata(par->vdc, NULL); + pci_disable_device(par->gpu); + pci_disable_device(par->vdc); + } +} + +/* + * Free up allocated resources for a device. + */ + +static void __devexit vml_pci_remove(struct pci_dev *dev) +{ + struct fb_info *info; + struct vml_info *vinfo; + struct vml_par *par; + + info = pci_get_drvdata(dev); + if (info) { + vinfo = container_of(info, struct vml_info, info); + par = vinfo->par; + mutex_lock(&vml_mutex); + unregister_framebuffer(info); + fb_dealloc_cmap(&info->cmap); + vmlfb_free_vram(vinfo); + vmlfb_disable_mmio(par); + vmlfb_release_devices(par); + kfree(vinfo); + kfree(par); + mutex_unlock(&vml_mutex); + } +} + +static void vmlfb_set_pref_pixel_format(struct fb_var_screeninfo *var) +{ + switch (var->bits_per_pixel) { + case 16: + var->blue.offset = 0; + var->blue.length = 5; + var->green.offset = 5; + var->green.length = 5; + var->red.offset = 10; + var->red.length = 5; + var->transp.offset = 15; + var->transp.length = 1; + break; + case 32: + var->blue.offset = 0; + var->blue.length = 8; + var->green.offset = 8; + var->green.length = 8; + var->red.offset = 16; + var->red.length = 8; + var->transp.offset = 24; + var->transp.length = 0; + break; + default: + break; + } + + var->blue.msb_right = var->green.msb_right = + var->red.msb_right = var->transp.msb_right = 0; +} + +/* + * Device initialization. + * We initialize one vml_par struct per device and one vml_info + * struct per pipe. Currently we have only one pipe. + */ + +static int __devinit vml_pci_probe(struct pci_dev *dev, + const struct pci_device_id *id) +{ + struct vml_info *vinfo; + struct fb_info *info; + struct vml_par *par; + int err = 0; + + par = kzalloc(sizeof(*par), GFP_KERNEL); + if (par == NULL) + return -ENOMEM; + + vinfo = kzalloc(sizeof(*vinfo), GFP_KERNEL); + if (vinfo == NULL) { + err = -ENOMEM; + goto out_err_0; + } + + vinfo->par = par; + par->vdc = dev; + atomic_set(&par->refcount, 1); + + switch (id->device) { + case VML_DEVICE_VDC: + if ((err = vmlfb_get_gpu(par))) + goto out_err_1; + pci_set_drvdata(dev, &vinfo->info); + break; + default: + err = -ENODEV; + goto out_err_1; + break; + } + + info = &vinfo->info; + info->flags = FBINFO_DEFAULT | FBINFO_PARTIAL_PAN_OK; + + err = vmlfb_enable_mmio(par); + if (err) + goto out_err_2; + + err = vmlfb_alloc_vram(vinfo, vml_mem_requested, + vml_mem_contig, vml_mem_min); + if (err) + goto out_err_3; + + strcpy(info->fix.id, "Vermilion Range"); + info->fix.mmio_start = 0; + info->fix.mmio_len = 0; + info->fix.smem_start = vinfo->vram_start; + info->fix.smem_len = vinfo->vram_contig_size; + info->fix.type = FB_TYPE_PACKED_PIXELS; + info->fix.visual = FB_VISUAL_TRUECOLOR; + info->fix.ypanstep = 1; + info->fix.xpanstep = 1; + info->fix.ywrapstep = 0; + info->fix.accel = FB_ACCEL_NONE; + info->screen_base = vinfo->vram_logical; + info->pseudo_palette = vinfo->pseudo_palette; + info->par = par; + info->fbops = &vmlfb_ops; + info->device = &dev->dev; + + INIT_LIST_HEAD(&vinfo->head); + vinfo->pipe_disabled = 1; + vinfo->cur_blank_mode = FB_BLANK_UNBLANK; + + info->var.grayscale = 0; + info->var.bits_per_pixel = 16; + vmlfb_set_pref_pixel_format(&info->var); + + if (!fb_find_mode + (&info->var, info, vml_default_mode, NULL, 0, &defaultmode, 16)) { + printk(KERN_ERR MODULE_NAME ": Could not find initial mode\n"); + } + + if (fb_alloc_cmap(&info->cmap, 256, 1) < 0) { + err = -ENOMEM; + goto out_err_4; + } + + err = register_framebuffer(info); + if (err) { + printk(KERN_ERR MODULE_NAME ": Register framebuffer error.\n"); + goto out_err_5; + } + + printk("Initialized vmlfb\n"); + + return 0; + +out_err_5: + fb_dealloc_cmap(&info->cmap); +out_err_4: + vmlfb_free_vram(vinfo); +out_err_3: + vmlfb_disable_mmio(par); +out_err_2: + vmlfb_release_devices(par); +out_err_1: + kfree(vinfo); +out_err_0: + kfree(par); + return err; +} + +static int vmlfb_open(struct fb_info *info, int user) +{ + /* + * Save registers here? + */ + return 0; +} + +static int vmlfb_release(struct fb_info *info, int user) +{ + /* + * Restore registers here. + */ + + return 0; +} + +static int vml_nearest_clock(int clock) +{ + + int i; + int cur_index; + int cur_diff; + int diff; + + cur_index = 0; + cur_diff = clock - vml_clocks[0]; + cur_diff = (cur_diff < 0) ? -cur_diff : cur_diff; + for (i = 1; i < vml_num_clocks; ++i) { + diff = clock - vml_clocks[i]; + diff = (diff < 0) ? -diff : diff; + if (diff < cur_diff) { + cur_index = i; + cur_diff = diff; + } + } + return vml_clocks[cur_index]; +} + +static int vmlfb_check_var_locked(struct fb_var_screeninfo *var, + struct vml_info *vinfo) +{ + u32 pitch; + u64 mem; + int nearest_clock; + int clock; + int clock_diff; + struct fb_var_screeninfo v; + + v = *var; + clock = PICOS2KHZ(var->pixclock); + + if (subsys && subsys->nearest_clock) { + nearest_clock = subsys->nearest_clock(subsys, clock); + } else { + nearest_clock = vml_nearest_clock(clock); + } + + /* + * Accept a 20% diff. + */ + + clock_diff = nearest_clock - clock; + clock_diff = (clock_diff < 0) ? -clock_diff : clock_diff; + if (clock_diff > clock / 5) { +#if 0 + printk(KERN_DEBUG MODULE_NAME ": Diff failure. %d %d\n",clock_diff,clock); +#endif + return -EINVAL; + } + + v.pixclock = KHZ2PICOS(nearest_clock); + + if (var->xres > VML_MAX_XRES || var->yres > VML_MAX_YRES) { + printk(KERN_DEBUG MODULE_NAME ": Resolution failure.\n"); + return -EINVAL; + } + if (var->xres_virtual > VML_MAX_XRES_VIRTUAL) { + printk(KERN_DEBUG MODULE_NAME + ": Virtual resolution failure.\n"); + return -EINVAL; + } + switch (v.bits_per_pixel) { + case 0 ... 16: + v.bits_per_pixel = 16; + break; + case 17 ... 32: + v.bits_per_pixel = 32; + break; + default: + printk(KERN_DEBUG MODULE_NAME ": Invalid bpp: %d.\n", + var->bits_per_pixel); + return -EINVAL; + } + + pitch = __ALIGN_MASK((var->xres * var->bits_per_pixel) >> 3, 0x3F); + mem = pitch * var->yres_virtual; + if (mem > vinfo->vram_contig_size) { + return -ENOMEM; + } + + switch (v.bits_per_pixel) { + case 16: + if (var->blue.offset != 0 || + var->blue.length != 5 || + var->green.offset != 5 || + var->green.length != 5 || + var->red.offset != 10 || + var->red.length != 5 || + var->transp.offset != 15 || var->transp.length != 1) { + vmlfb_set_pref_pixel_format(&v); + } + break; + case 32: + if (var->blue.offset != 0 || + var->blue.length != 8 || + var->green.offset != 8 || + var->green.length != 8 || + var->red.offset != 16 || + var->red.length != 8 || + (var->transp.length != 0 && var->transp.length != 8) || + (var->transp.length == 8 && var->transp.offset != 24)) { + vmlfb_set_pref_pixel_format(&v); + } + break; + default: + return -EINVAL; + } + + *var = v; + + return 0; +} + +static int vmlfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + struct vml_info *vinfo = container_of(info, struct vml_info, info); + int ret; + + mutex_lock(&vml_mutex); + ret = vmlfb_check_var_locked(var, vinfo); + mutex_unlock(&vml_mutex); + + return ret; +} + +static void vml_wait_vblank(struct vml_info *vinfo) +{ + /* Wait for vblank. For now, just wait for a 50Hz cycle (20ms)) */ + mdelay(20); +} + +static void vmlfb_disable_pipe(struct vml_info *vinfo) +{ + struct vml_par *par = vinfo->par; + + /* Disable the MDVO pad */ + VML_WRITE32(par, VML_RCOMPSTAT, 0); + while (!(VML_READ32(par, VML_RCOMPSTAT) & VML_MDVO_VDC_I_RCOMP)) ; + + /* Disable display planes */ + VML_WRITE32(par, VML_DSPCCNTR, + VML_READ32(par, VML_DSPCCNTR) & ~VML_GFX_ENABLE); + (void)VML_READ32(par, VML_DSPCCNTR); + /* Wait for vblank for the disable to take effect */ + vml_wait_vblank(vinfo); + + /* Next, disable display pipes */ + VML_WRITE32(par, VML_PIPEACONF, 0); + (void)VML_READ32(par, VML_PIPEACONF); + + vinfo->pipe_disabled = 1; +} + +#ifdef VERMILION_DEBUG +static void vml_dump_regs(struct vml_info *vinfo) +{ + struct vml_par *par = vinfo->par; + + printk(KERN_DEBUG MODULE_NAME ": Modesetting register dump:\n"); + printk(KERN_DEBUG MODULE_NAME ": \tHTOTAL_A : 0x%08x\n", + (unsigned)VML_READ32(par, VML_HTOTAL_A)); + printk(KERN_DEBUG MODULE_NAME ": \tHBLANK_A : 0x%08x\n", + (unsigned)VML_READ32(par, VML_HBLANK_A)); + printk(KERN_DEBUG MODULE_NAME ": \tHSYNC_A : 0x%08x\n", + (unsigned)VML_READ32(par, VML_HSYNC_A)); + printk(KERN_DEBUG MODULE_NAME ": \tVTOTAL_A : 0x%08x\n", + (unsigned)VML_READ32(par, VML_VTOTAL_A)); + printk(KERN_DEBUG MODULE_NAME ": \tVBLANK_A : 0x%08x\n", + (unsigned)VML_READ32(par, VML_VBLANK_A)); + printk(KERN_DEBUG MODULE_NAME ": \tVSYNC_A : 0x%08x\n", + (unsigned)VML_READ32(par, VML_VSYNC_A)); + printk(KERN_DEBUG MODULE_NAME ": \tDSPCSTRIDE : 0x%08x\n", + (unsigned)VML_READ32(par, VML_DSPCSTRIDE)); + printk(KERN_DEBUG MODULE_NAME ": \tDSPCSIZE : 0x%08x\n", + (unsigned)VML_READ32(par, VML_DSPCSIZE)); + printk(KERN_DEBUG MODULE_NAME ": \tDSPCPOS : 0x%08x\n", + (unsigned)VML_READ32(par, VML_DSPCPOS)); + printk(KERN_DEBUG MODULE_NAME ": \tDSPARB : 0x%08x\n", + (unsigned)VML_READ32(par, VML_DSPARB)); + printk(KERN_DEBUG MODULE_NAME ": \tDSPCADDR : 0x%08x\n", + (unsigned)VML_READ32(par, VML_DSPCADDR)); + printk(KERN_DEBUG MODULE_NAME ": \tBCLRPAT_A : 0x%08x\n", + (unsigned)VML_READ32(par, VML_BCLRPAT_A)); + printk(KERN_DEBUG MODULE_NAME ": \tCANVSCLR_A : 0x%08x\n", + (unsigned)VML_READ32(par, VML_CANVSCLR_A)); + printk(KERN_DEBUG MODULE_NAME ": \tPIPEASRC : 0x%08x\n", + (unsigned)VML_READ32(par, VML_PIPEASRC)); + printk(KERN_DEBUG MODULE_NAME ": \tPIPEACONF : 0x%08x\n", + (unsigned)VML_READ32(par, VML_PIPEACONF)); + printk(KERN_DEBUG MODULE_NAME ": \tDSPCCNTR : 0x%08x\n", + (unsigned)VML_READ32(par, VML_DSPCCNTR)); + printk(KERN_DEBUG MODULE_NAME ": \tRCOMPSTAT : 0x%08x\n", + (unsigned)VML_READ32(par, VML_RCOMPSTAT)); + printk(KERN_DEBUG MODULE_NAME ": End of modesetting register dump.\n"); +} +#endif + +static int vmlfb_set_par_locked(struct vml_info *vinfo) +{ + struct vml_par *par = vinfo->par; + struct fb_info *info = &vinfo->info; + struct fb_var_screeninfo *var = &info->var; + u32 htotal, hactive, hblank_start, hblank_end, hsync_start, hsync_end; + u32 vtotal, vactive, vblank_start, vblank_end, vsync_start, vsync_end; + u32 dspcntr; + int clock; + + vinfo->bytes_per_pixel = var->bits_per_pixel >> 3; + vinfo->stride = + __ALIGN_MASK(var->xres_virtual * vinfo->bytes_per_pixel, 0x3F); + info->fix.line_length = vinfo->stride; + + if (!subsys) + return 0; + + htotal = + var->xres + var->right_margin + var->hsync_len + var->left_margin; + hactive = var->xres; + hblank_start = var->xres; + hblank_end = htotal; + hsync_start = hactive + var->right_margin; + hsync_end = hsync_start + var->hsync_len; + + vtotal = + var->yres + var->lower_margin + var->vsync_len + var->upper_margin; + vactive = var->yres; + vblank_start = var->yres; + vblank_end = vtotal; + vsync_start = vactive + var->lower_margin; + vsync_end = vsync_start + var->vsync_len; + + dspcntr = VML_GFX_ENABLE | VML_GFX_GAMMABYPASS; + clock = PICOS2KHZ(var->pixclock); + + if (subsys->nearest_clock) { + clock = subsys->nearest_clock(subsys, clock); + } else { + clock = vml_nearest_clock(clock); + } + printk(KERN_DEBUG MODULE_NAME + ": Set mode Hfreq : %d kHz, Vfreq : %d Hz.\n", clock / htotal, + ((clock / htotal) * 1000) / vtotal); + + switch (var->bits_per_pixel) { + case 16: + dspcntr |= VML_GFX_ARGB1555; + break; + case 32: + if (var->transp.length == 8) + dspcntr |= VML_GFX_ARGB8888 | VML_GFX_ALPHAMULT; + else + dspcntr |= VML_GFX_RGB0888; + break; + default: + return -EINVAL; + } + + vmlfb_disable_pipe(vinfo); + mb(); + + if (subsys->set_clock) + subsys->set_clock(subsys, clock); + else + return -EINVAL; + + VML_WRITE32(par, VML_HTOTAL_A, ((htotal - 1) << 16) | (hactive - 1)); + VML_WRITE32(par, VML_HBLANK_A, + ((hblank_end - 1) << 16) | (hblank_start - 1)); + VML_WRITE32(par, VML_HSYNC_A, + ((hsync_end - 1) << 16) | (hsync_start - 1)); + VML_WRITE32(par, VML_VTOTAL_A, ((vtotal - 1) << 16) | (vactive - 1)); + VML_WRITE32(par, VML_VBLANK_A, + ((vblank_end - 1) << 16) | (vblank_start - 1)); + VML_WRITE32(par, VML_VSYNC_A, + ((vsync_end - 1) << 16) | (vsync_start - 1)); + VML_WRITE32(par, VML_DSPCSTRIDE, vinfo->stride); + VML_WRITE32(par, VML_DSPCSIZE, + ((var->yres - 1) << 16) | (var->xres - 1)); + VML_WRITE32(par, VML_DSPCPOS, 0x00000000); + VML_WRITE32(par, VML_DSPARB, VML_FIFO_DEFAULT); + VML_WRITE32(par, VML_BCLRPAT_A, 0x00000000); + VML_WRITE32(par, VML_CANVSCLR_A, 0x00000000); + VML_WRITE32(par, VML_PIPEASRC, + ((var->xres - 1) << 16) | (var->yres - 1)); + + wmb(); + VML_WRITE32(par, VML_PIPEACONF, VML_PIPE_ENABLE); + wmb(); + VML_WRITE32(par, VML_DSPCCNTR, dspcntr); + wmb(); + VML_WRITE32(par, VML_DSPCADDR, (u32) vinfo->vram_start + + var->yoffset * vinfo->stride + + var->xoffset * vinfo->bytes_per_pixel); + + VML_WRITE32(par, VML_RCOMPSTAT, VML_MDVO_PAD_ENABLE); + + while (!(VML_READ32(par, VML_RCOMPSTAT) & + (VML_MDVO_VDC_I_RCOMP | VML_MDVO_PAD_ENABLE))) ; + + vinfo->pipe_disabled = 0; +#ifdef VERMILION_DEBUG + vml_dump_regs(vinfo); +#endif + + return 0; +} + +static int vmlfb_set_par(struct fb_info *info) +{ + struct vml_info *vinfo = container_of(info, struct vml_info, info); + int ret; + + mutex_lock(&vml_mutex); + list_del(&vinfo->head); + list_add(&vinfo->head, (subsys) ? &global_has_mode : &global_no_mode); + ret = vmlfb_set_par_locked(vinfo); + + mutex_unlock(&vml_mutex); + return ret; +} + +static int vmlfb_blank_locked(struct vml_info *vinfo) +{ + struct vml_par *par = vinfo->par; + u32 cur = VML_READ32(par, VML_PIPEACONF); + + switch (vinfo->cur_blank_mode) { + case FB_BLANK_UNBLANK: + if (vinfo->pipe_disabled) { + vmlfb_set_par_locked(vinfo); + } + VML_WRITE32(par, VML_PIPEACONF, cur & ~VML_PIPE_FORCE_BORDER); + (void)VML_READ32(par, VML_PIPEACONF); + break; + case FB_BLANK_NORMAL: + if (vinfo->pipe_disabled) { + vmlfb_set_par_locked(vinfo); + } + VML_WRITE32(par, VML_PIPEACONF, cur | VML_PIPE_FORCE_BORDER); + (void)VML_READ32(par, VML_PIPEACONF); + break; + case FB_BLANK_VSYNC_SUSPEND: + case FB_BLANK_HSYNC_SUSPEND: + if (!vinfo->pipe_disabled) { + vmlfb_disable_pipe(vinfo); + } + break; + case FB_BLANK_POWERDOWN: + if (!vinfo->pipe_disabled) { + vmlfb_disable_pipe(vinfo); + } + break; + default: + return -EINVAL; + } + + return 0; +} + +static int vmlfb_blank(int blank_mode, struct fb_info *info) +{ + struct vml_info *vinfo = container_of(info, struct vml_info, info); + int ret; + + mutex_lock(&vml_mutex); + vinfo->cur_blank_mode = blank_mode; + ret = vmlfb_blank_locked(vinfo); + mutex_unlock(&vml_mutex); + return ret; +} + +static int vmlfb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct vml_info *vinfo = container_of(info, struct vml_info, info); + struct vml_par *par = vinfo->par; + + mutex_lock(&vml_mutex); + VML_WRITE32(par, VML_DSPCADDR, (u32) vinfo->vram_start + + var->yoffset * vinfo->stride + + var->xoffset * vinfo->bytes_per_pixel); + (void)VML_READ32(par, VML_DSPCADDR); + mutex_unlock(&vml_mutex); + + return 0; +} + +static int vmlfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, + u_int transp, struct fb_info *info) +{ + u32 v; + + if (regno >= 16) + return -EINVAL; + + if (info->var.grayscale) { + red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; + } + + if (info->fix.visual != FB_VISUAL_TRUECOLOR) + return -EINVAL; + + red = VML_TOHW(red, info->var.red.length); + blue = VML_TOHW(blue, info->var.blue.length); + green = VML_TOHW(green, info->var.green.length); + transp = VML_TOHW(transp, info->var.transp.length); + + v = (red << info->var.red.offset) | + (green << info->var.green.offset) | + (blue << info->var.blue.offset) | + (transp << info->var.transp.offset); + + switch (info->var.bits_per_pixel) { + case 16: + ((u32 *) info->pseudo_palette)[regno] = v; + break; + case 24: + case 32: + ((u32 *) info->pseudo_palette)[regno] = v; + break; + } + return 0; +} + +static int vmlfb_mmap(struct fb_info *info, struct vm_area_struct *vma) +{ + struct vml_info *vinfo = container_of(info, struct vml_info, info); + unsigned long size = vma->vm_end - vma->vm_start; + unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; + int ret; + + if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) + return -EINVAL; + if (offset + size > vinfo->vram_contig_size) + return -EINVAL; + ret = vmlfb_vram_offset(vinfo, offset); + if (ret) + return -EINVAL; + offset += vinfo->vram_start; + pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; + pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT; + vma->vm_flags |= VM_RESERVED | VM_IO; + if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, + size, vma->vm_page_prot)) + return -EAGAIN; + return 0; +} + +static int vmlfb_sync(struct fb_info *info) +{ + return 0; +} + +static int vmlfb_cursor(struct fb_info *info, struct fb_cursor *cursor) +{ + return -EINVAL; /* just to force soft_cursor() call */ +} + +static struct fb_ops vmlfb_ops = { + .owner = THIS_MODULE, + .fb_open = vmlfb_open, + .fb_release = vmlfb_release, + .fb_check_var = vmlfb_check_var, + .fb_set_par = vmlfb_set_par, + .fb_blank = vmlfb_blank, + .fb_pan_display = vmlfb_pan_display, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, + .fb_cursor = vmlfb_cursor, + .fb_sync = vmlfb_sync, + .fb_mmap = vmlfb_mmap, + .fb_setcolreg = vmlfb_setcolreg +}; + +static struct pci_device_id vml_ids[] = { + {PCI_DEVICE(PCI_VENDOR_ID_INTEL, VML_DEVICE_VDC)}, + {0} +}; + +static struct pci_driver vmlfb_pci_driver = { + .name = "vmlfb", + .id_table = vml_ids, + .probe = vml_pci_probe, + .remove = __devexit_p(vml_pci_remove) +}; + +static void __exit vmlfb_cleanup(void) +{ + pci_unregister_driver(&vmlfb_pci_driver); +} + +static int __init vmlfb_init(void) +{ + +#ifndef MODULE + char *option = NULL; + + if (fb_get_options(MODULE_NAME, &option)) + return -ENODEV; +#endif + + printk(KERN_DEBUG MODULE_NAME ": initializing\n"); + mutex_init(&vml_mutex); + INIT_LIST_HEAD(&global_no_mode); + INIT_LIST_HEAD(&global_has_mode); + + return pci_register_driver(&vmlfb_pci_driver); +} + +int vmlfb_register_subsys(struct vml_sys *sys) +{ + struct vml_info *entry; + struct list_head *list; + u32 save_activate; + + mutex_lock(&vml_mutex); + if (subsys != NULL) { + subsys->restore(subsys); + } + subsys = sys; + subsys->save(subsys); + + /* + * We need to restart list traversal for each item, since we + * release the list mutex in the loop. + */ + + list = global_no_mode.next; + while (list != &global_no_mode) { + list_del_init(list); + entry = list_entry(list, struct vml_info, head); + + /* + * First, try the current mode which might not be + * completely validated with respect to the pixel clock. + */ + + if (!vmlfb_check_var_locked(&entry->info.var, entry)) { + vmlfb_set_par_locked(entry); + list_add_tail(list, &global_has_mode); + } else { + + /* + * Didn't work. Try to find another mode, + * that matches this subsys. + */ + + mutex_unlock(&vml_mutex); + save_activate = entry->info.var.activate; + entry->info.var.bits_per_pixel = 16; + vmlfb_set_pref_pixel_format(&entry->info.var); + if (fb_find_mode(&entry->info.var, + &entry->info, + vml_default_mode, NULL, 0, NULL, 16)) { + entry->info.var.activate |= + FB_ACTIVATE_FORCE | FB_ACTIVATE_NOW; + fb_set_var(&entry->info, &entry->info.var); + } else { + printk(KERN_ERR MODULE_NAME + ": Sorry. no mode found for this subsys.\n"); + } + entry->info.var.activate = save_activate; + mutex_lock(&vml_mutex); + } + vmlfb_blank_locked(entry); + list = global_no_mode.next; + } + mutex_unlock(&vml_mutex); + + printk(KERN_DEBUG MODULE_NAME ": Registered %s subsystem.\n", + subsys->name ? subsys->name : "unknown"); + return 0; +} + +EXPORT_SYMBOL_GPL(vmlfb_register_subsys); + +void vmlfb_unregister_subsys(struct vml_sys *sys) +{ + struct vml_info *entry, *next; + + mutex_lock(&vml_mutex); + if (subsys != sys) { + mutex_unlock(&vml_mutex); + return; + } + subsys->restore(subsys); + subsys = NULL; + list_for_each_entry_safe(entry, next, &global_has_mode, head) { + printk(KERN_DEBUG MODULE_NAME ": subsys disable pipe\n"); + vmlfb_disable_pipe(entry); + list_del(&entry->head); + list_add_tail(&entry->head, &global_no_mode); + } + mutex_unlock(&vml_mutex); +} + +EXPORT_SYMBOL_GPL(vmlfb_unregister_subsys); + +module_init(vmlfb_init); +module_exit(vmlfb_cleanup); + +MODULE_AUTHOR("Tungsten Graphics"); +MODULE_DESCRIPTION("Initialization of the Vermilion display devices"); +MODULE_VERSION("1.0.0"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/vermilion/vermilion.h b/drivers/video/vermilion/vermilion.h new file mode 100644 index 00000000000..1fc6695a49d --- /dev/null +++ b/drivers/video/vermilion/vermilion.h @@ -0,0 +1,260 @@ +/* + * Copyright (c) Intel Corp. 2007. + * All Rights Reserved. + * + * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + * develop this driver. + * + * This file is part of the Vermilion Range fb driver. + * The Vermilion Range fb driver is free software; + * you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * The Vermilion Range fb driver is distributed + * in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this driver; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Authors: + * Thomas Hellström <thomas-at-tungstengraphics-dot-com> + */ + +#ifndef _VERMILION_H_ +#define _VERMILION_H_ + +#include <linux/kernel.h> +#include <linux/version.h> +#include <linux/pci.h> +#include <asm/atomic.h> +#include <linux/mutex.h> + +#define VML_DEVICE_GPU 0x5002 +#define VML_DEVICE_VDC 0x5009 + +#define VML_VRAM_AREAS 3 +#define VML_MAX_XRES 1024 +#define VML_MAX_YRES 768 +#define VML_MAX_XRES_VIRTUAL 1040 + +/* + * Display controller registers: + */ + +/* Display controller 10-bit color representation */ + +#define VML_R_MASK 0x3FF00000 +#define VML_R_SHIFT 20 +#define VML_G_MASK 0x000FFC00 +#define VML_G_SHIFT 10 +#define VML_B_MASK 0x000003FF +#define VML_B_SHIFT 0 + +/* Graphics plane control */ +#define VML_DSPCCNTR 0x00072180 +#define VML_GFX_ENABLE 0x80000000 +#define VML_GFX_GAMMABYPASS 0x40000000 +#define VML_GFX_ARGB1555 0x0C000000 +#define VML_GFX_RGB0888 0x18000000 +#define VML_GFX_ARGB8888 0x1C000000 +#define VML_GFX_ALPHACONST 0x02000000 +#define VML_GFX_ALPHAMULT 0x01000000 +#define VML_GFX_CONST_ALPHA 0x000000FF + +/* Graphics plane start address. Pixel aligned. */ +#define VML_DSPCADDR 0x00072184 + +/* Graphics plane stride register. */ +#define VML_DSPCSTRIDE 0x00072188 + +/* Graphics plane position register. */ +#define VML_DSPCPOS 0x0007218C +#define VML_POS_YMASK 0x0FFF0000 +#define VML_POS_YSHIFT 16 +#define VML_POS_XMASK 0x00000FFF +#define VML_POS_XSHIFT 0 + +/* Graphics plane height and width */ +#define VML_DSPCSIZE 0x00072190 +#define VML_SIZE_HMASK 0x0FFF0000 +#define VML_SIZE_HSHIFT 16 +#define VML_SISE_WMASK 0x00000FFF +#define VML_SIZE_WSHIFT 0 + +/* Graphics plane gamma correction lookup table registers (129 * 32 bits) */ +#define VML_DSPCGAMLUT 0x00072200 + +/* Pixel video output configuration register */ +#define VML_PVOCONFIG 0x00061140 +#define VML_CONFIG_BASE 0x80000000 +#define VML_CONFIG_PIXEL_SWAP 0x04000000 +#define VML_CONFIG_DE_INV 0x01000000 +#define VML_CONFIG_HREF_INV 0x00400000 +#define VML_CONFIG_VREF_INV 0x00100000 +#define VML_CONFIG_CLK_INV 0x00040000 +#define VML_CONFIG_CLK_DIV2 0x00010000 +#define VML_CONFIG_ESTRB_INV 0x00008000 + +/* Pipe A Horizontal total register */ +#define VML_HTOTAL_A 0x00060000 +#define VML_HTOTAL_MASK 0x1FFF0000 +#define VML_HTOTAL_SHIFT 16 +#define VML_HTOTAL_VAL 8192 +#define VML_HACTIVE_MASK 0x000007FF +#define VML_HACTIVE_SHIFT 0 +#define VML_HACTIVE_VAL 4096 + +/* Pipe A Horizontal Blank register */ +#define VML_HBLANK_A 0x00060004 +#define VML_HBLANK_END_MASK 0x1FFF0000 +#define VML_HBLANK_END_SHIFT 16 +#define VML_HBLANK_END_VAL 8192 +#define VML_HBLANK_START_MASK 0x00001FFF +#define VML_HBLANK_START_SHIFT 0 +#define VML_HBLANK_START_VAL 8192 + +/* Pipe A Horizontal Sync register */ +#define VML_HSYNC_A 0x00060008 +#define VML_HSYNC_END_MASK 0x1FFF0000 +#define VML_HSYNC_END_SHIFT 16 +#define VML_HSYNC_END_VAL 8192 +#define VML_HSYNC_START_MASK 0x00001FFF +#define VML_HSYNC_START_SHIFT 0 +#define VML_HSYNC_START_VAL 8192 + +/* Pipe A Vertical total register */ +#define VML_VTOTAL_A 0x0006000C +#define VML_VTOTAL_MASK 0x1FFF0000 +#define VML_VTOTAL_SHIFT 16 +#define VML_VTOTAL_VAL 8192 +#define VML_VACTIVE_MASK 0x000007FF +#define VML_VACTIVE_SHIFT 0 +#define VML_VACTIVE_VAL 4096 + +/* Pipe A Vertical Blank register */ +#define VML_VBLANK_A 0x00060010 +#define VML_VBLANK_END_MASK 0x1FFF0000 +#define VML_VBLANK_END_SHIFT 16 +#define VML_VBLANK_END_VAL 8192 +#define VML_VBLANK_START_MASK 0x00001FFF +#define VML_VBLANK_START_SHIFT 0 +#define VML_VBLANK_START_VAL 8192 + +/* Pipe A Vertical Sync register */ +#define VML_VSYNC_A 0x00060014 +#define VML_VSYNC_END_MASK 0x1FFF0000 +#define VML_VSYNC_END_SHIFT 16 +#define VML_VSYNC_END_VAL 8192 +#define VML_VSYNC_START_MASK 0x00001FFF +#define VML_VSYNC_START_SHIFT 0 +#define VML_VSYNC_START_VAL 8192 + +/* Pipe A Source Image size (minus one - equal to active size) + * Programmable while pipe is enabled. + */ +#define VML_PIPEASRC 0x0006001C +#define VML_PIPEASRC_HMASK 0x0FFF0000 +#define VML_PIPEASRC_HSHIFT 16 +#define VML_PIPEASRC_VMASK 0x00000FFF +#define VML_PIPEASRC_VSHIFT 0 + +/* Pipe A Border Color Pattern register (10 bit color) */ +#define VML_BCLRPAT_A 0x00060020 + +/* Pipe A Canvas Color register (10 bit color) */ +#define VML_CANVSCLR_A 0x00060024 + +/* Pipe A Configuration register */ +#define VML_PIPEACONF 0x00070008 +#define VML_PIPE_BASE 0x00000000 +#define VML_PIPE_ENABLE 0x80000000 +#define VML_PIPE_FORCE_BORDER 0x02000000 +#define VML_PIPE_PLANES_OFF 0x00080000 +#define VML_PIPE_ARGB_OUTPUT_MODE 0x00040000 + +/* Pipe A FIFO setting */ +#define VML_DSPARB 0x00070030 +#define VML_FIFO_DEFAULT 0x00001D9C + +/* MDVO rcomp status & pads control register */ +#define VML_RCOMPSTAT 0x00070048 +#define VML_MDVO_VDC_I_RCOMP 0x80000000 +#define VML_MDVO_POWERSAVE_OFF 0x00000008 +#define VML_MDVO_PAD_ENABLE 0x00000004 +#define VML_MDVO_PULLDOWN_ENABLE 0x00000001 + +struct vml_par { + struct pci_dev *vdc; + u64 vdc_mem_base; + u64 vdc_mem_size; + char __iomem *vdc_mem; + + struct pci_dev *gpu; + u64 gpu_mem_base; + u64 gpu_mem_size; + char __iomem *gpu_mem; + + atomic_t refcount; +}; + +struct vram_area { + unsigned long logical; + unsigned long phys; + unsigned long size; + unsigned order; +}; + +struct vml_info { + struct fb_info info; + struct vml_par *par; + struct list_head head; + struct vram_area vram[VML_VRAM_AREAS]; + u64 vram_start; + u64 vram_contig_size; + u32 num_areas; + void __iomem *vram_logical; + u32 pseudo_palette[16]; + u32 stride; + u32 bytes_per_pixel; + atomic_t vmas; + int cur_blank_mode; + int pipe_disabled; +}; + +/* + * Subsystem + */ + +struct vml_sys { + char *name; + + /* + * Save / Restore; + */ + + int (*save) (struct vml_sys * sys); + int (*restore) (struct vml_sys * sys); + + /* + * PLL programming; + */ + + int (*set_clock) (struct vml_sys * sys, int clock); + int (*nearest_clock) (const struct vml_sys * sys, int clock); +}; + +extern int vmlfb_register_subsys(struct vml_sys *sys); +extern void vmlfb_unregister_subsys(struct vml_sys *sys); + +#define VML_READ32(_par, _offset) \ + (ioread32((_par)->vdc_mem + (_offset))) +#define VML_WRITE32(_par, _offset, _value) \ + iowrite32(_value, (_par)->vdc_mem + (_offset)) + +#endif diff --git a/drivers/video/vfb.c b/drivers/video/vfb.c index a9b99b01bd8..64ee78c3c12 100644 --- a/drivers/video/vfb.c +++ b/drivers/video/vfb.c @@ -84,13 +84,15 @@ static int vfb_mmap(struct fb_info *info, struct vm_area_struct *vma); static struct fb_ops vfb_ops = { + .fb_read = fb_sys_read, + .fb_write = fb_sys_write, .fb_check_var = vfb_check_var, .fb_set_par = vfb_set_par, .fb_setcolreg = vfb_setcolreg, .fb_pan_display = vfb_pan_display, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = sys_fillrect, + .fb_copyarea = sys_copyarea, + .fb_imageblit = sys_imageblit, .fb_mmap = vfb_mmap, }; diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c index ec4c7dc54a6..2a14d28c416 100644 --- a/drivers/video/vga16fb.c +++ b/drivers/video/vga16fb.c @@ -1378,6 +1378,8 @@ static int __init vga16fb_probe(struct platform_device *dev) info->fbops = &vga16fb_ops; info->var = vga16fb_defined; info->fix = vga16fb_fix; + /* supports rectangles with widths of multiples of 8 */ + info->pixmap.blit_x = 1 << 7 | 1 << 15 | 1 << 23 | 1 << 31; info->flags = FBINFO_FLAG_DEFAULT | FBINFO_HWACCEL_YPAN; diff --git a/drivers/video/vgastate.c b/drivers/video/vgastate.c index d94efafc77b..b91c466225b 100644 --- a/drivers/video/vgastate.c +++ b/drivers/video/vgastate.c @@ -50,23 +50,28 @@ static void save_vga_text(struct vgastate *state, void __iomem *fbbase) struct regstate *saved = (struct regstate *) state->vidstate; int i; u8 misc, attr10, gr4, gr5, gr6, seq1, seq2, seq4; + unsigned short iobase; /* if in graphics mode, no need to save */ + misc = vga_r(state->vgabase, VGA_MIS_R); + iobase = (misc & 1) ? 0x3d0 : 0x3b0; + + vga_r(state->vgabase, iobase + 0xa); + vga_w(state->vgabase, VGA_ATT_W, 0x00); attr10 = vga_rattr(state->vgabase, 0x10); + vga_r(state->vgabase, iobase + 0xa); + vga_w(state->vgabase, VGA_ATT_W, 0x20); + if (attr10 & 1) return; - + /* save regs */ - misc = vga_r(state->vgabase, VGA_MIS_R); gr4 = vga_rgfx(state->vgabase, VGA_GFX_PLANE_READ); gr5 = vga_rgfx(state->vgabase, VGA_GFX_MODE); gr6 = vga_rgfx(state->vgabase, VGA_GFX_MISC); seq2 = vga_rseq(state->vgabase, VGA_SEQ_PLANE_WRITE); seq4 = vga_rseq(state->vgabase, VGA_SEQ_MEMORY_MODE); - /* force graphics mode */ - vga_w(state->vgabase, VGA_MIS_W, misc | 1); - /* blank screen */ seq1 = vga_rseq(state->vgabase, VGA_SEQ_CLOCK_MODE); vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x1); @@ -115,15 +120,12 @@ static void save_vga_text(struct vgastate *state, void __iomem *fbbase) } /* restore regs */ - vga_wattr(state->vgabase, 0x10, attr10); - vga_wseq(state->vgabase, VGA_SEQ_PLANE_WRITE, seq2); vga_wseq(state->vgabase, VGA_SEQ_MEMORY_MODE, seq4); vga_wgfx(state->vgabase, VGA_GFX_PLANE_READ, gr4); vga_wgfx(state->vgabase, VGA_GFX_MODE, gr5); vga_wgfx(state->vgabase, VGA_GFX_MISC, gr6); - vga_w(state->vgabase, VGA_MIS_W, misc); /* unblank screen */ vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x1); @@ -137,11 +139,10 @@ static void restore_vga_text(struct vgastate *state, void __iomem *fbbase) { struct regstate *saved = (struct regstate *) state->vidstate; int i; - u8 misc, gr1, gr3, gr4, gr5, gr6, gr8; + u8 gr1, gr3, gr4, gr5, gr6, gr8; u8 seq1, seq2, seq4; /* save regs */ - misc = vga_r(state->vgabase, VGA_MIS_R); gr1 = vga_rgfx(state->vgabase, VGA_GFX_SR_ENABLE); gr3 = vga_rgfx(state->vgabase, VGA_GFX_DATA_ROTATE); gr4 = vga_rgfx(state->vgabase, VGA_GFX_PLANE_READ); @@ -151,9 +152,6 @@ static void restore_vga_text(struct vgastate *state, void __iomem *fbbase) seq2 = vga_rseq(state->vgabase, VGA_SEQ_PLANE_WRITE); seq4 = vga_rseq(state->vgabase, VGA_SEQ_MEMORY_MODE); - /* force graphics mode */ - vga_w(state->vgabase, VGA_MIS_W, misc | 1); - /* blank screen */ seq1 = vga_rseq(state->vgabase, VGA_SEQ_CLOCK_MODE); vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x1); @@ -213,8 +211,6 @@ static void restore_vga_text(struct vgastate *state, void __iomem *fbbase) vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x3); /* restore regs */ - vga_w(state->vgabase, VGA_MIS_W, misc); - vga_wgfx(state->vgabase, VGA_GFX_SR_ENABLE, gr1); vga_wgfx(state->vgabase, VGA_GFX_DATA_ROTATE, gr3); vga_wgfx(state->vgabase, VGA_GFX_PLANE_READ, gr4); diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c new file mode 100644 index 00000000000..1d29a89a86b --- /dev/null +++ b/drivers/video/xilinxfb.c @@ -0,0 +1,381 @@ +/* + * xilinxfb.c + * + * Xilinx TFT LCD frame buffer driver + * + * Author: MontaVista Software, Inc. + * source@mvista.com + * + * 2002-2007 (c) MontaVista Software, Inc. This file is licensed under the + * terms of the GNU General Public License version 2. This program is licensed + * "as is" without any warranty of any kind, whether express or implied. + */ + +/* + * This driver was based on au1100fb.c by MontaVista rewritten for 2.6 + * by Embedded Alley Solutions <source@embeddedalley.com>, which in turn + * was based on skeletonfb.c, Skeleton for a frame buffer device by + * Geert Uytterhoeven. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/version.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> + +#include <asm/io.h> +#include <syslib/virtex_devices.h> + +#define DRIVER_NAME "xilinxfb" +#define DRIVER_DESCRIPTION "Xilinx TFT LCD frame buffer driver" + +/* + * Xilinx calls it "PLB TFT LCD Controller" though it can also be used for + * the VGA port on the Xilinx ML40x board. This is a hardware display controller + * for a 640x480 resolution TFT or VGA screen. + * + * The interface to the framebuffer is nice and simple. There are two + * control registers. The first tells the LCD interface where in memory + * the frame buffer is (only the 11 most significant bits are used, so + * don't start thinking about scrolling). The second allows the LCD to + * be turned on or off as well as rotated 180 degrees. + */ +#define NUM_REGS 2 +#define REG_FB_ADDR 0 +#define REG_CTRL 1 +#define REG_CTRL_ENABLE 0x0001 +#define REG_CTRL_ROTATE 0x0002 + +/* + * The hardware only handles a single mode: 640x480 24 bit true + * color. Each pixel gets a word (32 bits) of memory. Within each word, + * the 8 most significant bits are ignored, the next 8 bits are the red + * level, the next 8 bits are the green level and the 8 least + * significant bits are the blue level. Each row of the LCD uses 1024 + * words, but only the first 640 pixels are displayed with the other 384 + * words being ignored. There are 480 rows. + */ +#define BYTES_PER_PIXEL 4 +#define BITS_PER_PIXEL (BYTES_PER_PIXEL * 8) +#define XRES 640 +#define YRES 480 +#define XRES_VIRTUAL 1024 +#define YRES_VIRTUAL YRES +#define LINE_LENGTH (XRES_VIRTUAL * BYTES_PER_PIXEL) +#define FB_SIZE (YRES_VIRTUAL * LINE_LENGTH) + +#define RED_SHIFT 16 +#define GREEN_SHIFT 8 +#define BLUE_SHIFT 0 + +#define PALETTE_ENTRIES_NO 16 /* passed to fb_alloc_cmap() */ + +/* + * Here are the default fb_fix_screeninfo and fb_var_screeninfo structures + */ +static struct fb_fix_screeninfo xilinx_fb_fix __initdata = { + .id = "Xilinx", + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_TRUECOLOR, + .smem_len = FB_SIZE, + .line_length = LINE_LENGTH, + .accel = FB_ACCEL_NONE +}; + +static struct fb_var_screeninfo xilinx_fb_var __initdata = { + .xres = XRES, + .yres = YRES, + .xres_virtual = XRES_VIRTUAL, + .yres_virtual = YRES_VIRTUAL, + + .bits_per_pixel = BITS_PER_PIXEL, + + .red = { RED_SHIFT, 8, 0 }, + .green = { GREEN_SHIFT, 8, 0 }, + .blue = { BLUE_SHIFT, 8, 0 }, + .transp = { 0, 0, 0 }, + + .activate = FB_ACTIVATE_NOW +}; + +struct xilinxfb_drvdata { + + struct fb_info info; /* FB driver info record */ + + u32 regs_phys; /* phys. address of the control registers */ + u32 __iomem *regs; /* virt. address of the control registers */ + + unsigned char __iomem *fb_virt; /* virt. address of the frame buffer */ + dma_addr_t fb_phys; /* phys. address of the frame buffer */ + + u32 reg_ctrl_default; + + u32 pseudo_palette[PALETTE_ENTRIES_NO]; + /* Fake palette of 16 colors */ +}; + +#define to_xilinxfb_drvdata(_info) \ + container_of(_info, struct xilinxfb_drvdata, info) + +/* + * The LCD controller has DCR interface to its registers, but all + * the boards and configurations the driver has been tested with + * use opb2dcr bridge. So the registers are seen as memory mapped. + * This macro is to make it simple to add the direct DCR access + * when it's needed. + */ +#define xilinx_fb_out_be32(driverdata, offset, val) \ + out_be32(driverdata->regs + offset, val) + +static int +xilinx_fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, + unsigned transp, struct fb_info *fbi) +{ + u32 *palette = fbi->pseudo_palette; + + if (regno >= PALETTE_ENTRIES_NO) + return -EINVAL; + + if (fbi->var.grayscale) { + /* Convert color to grayscale. + * grayscale = 0.30*R + 0.59*G + 0.11*B */ + red = green = blue = + (red * 77 + green * 151 + blue * 28 + 127) >> 8; + } + + /* fbi->fix.visual is always FB_VISUAL_TRUECOLOR */ + + /* We only handle 8 bits of each color. */ + red >>= 8; + green >>= 8; + blue >>= 8; + palette[regno] = (red << RED_SHIFT) | (green << GREEN_SHIFT) | + (blue << BLUE_SHIFT); + + return 0; +} + +static int +xilinx_fb_blank(int blank_mode, struct fb_info *fbi) +{ + struct xilinxfb_drvdata *drvdata = to_xilinxfb_drvdata(fbi); + + switch (blank_mode) { + case FB_BLANK_UNBLANK: + /* turn on panel */ + xilinx_fb_out_be32(drvdata, REG_CTRL, drvdata->reg_ctrl_default); + break; + + case FB_BLANK_NORMAL: + case FB_BLANK_VSYNC_SUSPEND: + case FB_BLANK_HSYNC_SUSPEND: + case FB_BLANK_POWERDOWN: + /* turn off panel */ + xilinx_fb_out_be32(drvdata, REG_CTRL, 0); + default: + break; + + } + return 0; /* success */ +} + +static struct fb_ops xilinxfb_ops = +{ + .owner = THIS_MODULE, + .fb_setcolreg = xilinx_fb_setcolreg, + .fb_blank = xilinx_fb_blank, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, +}; + +/* === The device driver === */ + +static int +xilinxfb_drv_probe(struct device *dev) +{ + struct platform_device *pdev; + struct xilinxfb_platform_data *pdata; + struct xilinxfb_drvdata *drvdata; + struct resource *regs_res; + int retval; + + if (!dev) + return -EINVAL; + + pdev = to_platform_device(dev); + pdata = pdev->dev.platform_data; + + if (pdata == NULL) { + printk(KERN_ERR "Couldn't find platform data.\n"); + return -EFAULT; + } + + drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL); + if (!drvdata) { + printk(KERN_ERR "Couldn't allocate device private record\n"); + return -ENOMEM; + } + dev_set_drvdata(dev, drvdata); + + /* Map the control registers in */ + regs_res = platform_get_resource(pdev, IORESOURCE_IO, 0); + if (!regs_res || (regs_res->end - regs_res->start + 1 < 8)) { + printk(KERN_ERR "Couldn't get registers resource\n"); + retval = -EFAULT; + goto failed1; + } + + if (!request_mem_region(regs_res->start, 8, DRIVER_NAME)) { + printk(KERN_ERR + "Couldn't lock memory region at 0x%08X\n", + regs_res->start); + retval = -EBUSY; + goto failed1; + } + drvdata->regs = (u32 __iomem*) ioremap(regs_res->start, 8); + drvdata->regs_phys = regs_res->start; + + /* Allocate the framebuffer memory */ + drvdata->fb_virt = dma_alloc_coherent(dev, PAGE_ALIGN(FB_SIZE), + &drvdata->fb_phys, GFP_KERNEL); + if (!drvdata->fb_virt) { + printk(KERN_ERR "Could not allocate frame buffer memory\n"); + retval = -ENOMEM; + goto failed2; + } + + /* Clear (turn to black) the framebuffer */ + memset_io((void *) drvdata->fb_virt, 0, FB_SIZE); + + /* Tell the hardware where the frame buffer is */ + xilinx_fb_out_be32(drvdata, REG_FB_ADDR, drvdata->fb_phys); + + /* Turn on the display */ + if (pdata->rotate_screen) { + drvdata->reg_ctrl_default = REG_CTRL_ENABLE | REG_CTRL_ROTATE; + } else { + drvdata->reg_ctrl_default = REG_CTRL_ENABLE; + } + xilinx_fb_out_be32(drvdata, REG_CTRL, drvdata->reg_ctrl_default); + + /* Fill struct fb_info */ + drvdata->info.device = dev; + drvdata->info.screen_base = drvdata->fb_virt; + drvdata->info.fbops = &xilinxfb_ops; + drvdata->info.fix = xilinx_fb_fix; + drvdata->info.fix.smem_start = drvdata->fb_phys; + drvdata->info.pseudo_palette = drvdata->pseudo_palette; + + if (fb_alloc_cmap(&drvdata->info.cmap, PALETTE_ENTRIES_NO, 0) < 0) { + printk(KERN_ERR "Fail to allocate colormap (%d entries)\n", + PALETTE_ENTRIES_NO); + retval = -EFAULT; + goto failed3; + } + + drvdata->info.flags = FBINFO_DEFAULT; + xilinx_fb_var.height = pdata->screen_height_mm; + xilinx_fb_var.width = pdata->screen_width_mm; + drvdata->info.var = xilinx_fb_var; + + /* Register new frame buffer */ + if (register_framebuffer(&drvdata->info) < 0) { + printk(KERN_ERR "Could not register frame buffer\n"); + retval = -EINVAL; + goto failed4; + } + + return 0; /* success */ + +failed4: + fb_dealloc_cmap(&drvdata->info.cmap); + +failed3: + dma_free_coherent(dev, PAGE_ALIGN(FB_SIZE), drvdata->fb_virt, + drvdata->fb_phys); + + /* Turn off the display */ + xilinx_fb_out_be32(drvdata, REG_CTRL, 0); + iounmap(drvdata->regs); + +failed2: + release_mem_region(regs_res->start, 8); + +failed1: + kfree(drvdata); + dev_set_drvdata(dev, NULL); + + return retval; +} + +static int +xilinxfb_drv_remove(struct device *dev) +{ + struct xilinxfb_drvdata *drvdata; + + if (!dev) + return -ENODEV; + + drvdata = (struct xilinxfb_drvdata *) dev_get_drvdata(dev); + +#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO) + xilinx_fb_blank(VESA_POWERDOWN, &drvdata->info); +#endif + + unregister_framebuffer(&drvdata->info); + + fb_dealloc_cmap(&drvdata->info.cmap); + + dma_free_coherent(dev, PAGE_ALIGN(FB_SIZE), drvdata->fb_virt, + drvdata->fb_phys); + + /* Turn off the display */ + xilinx_fb_out_be32(drvdata, REG_CTRL, 0); + iounmap(drvdata->regs); + + release_mem_region(drvdata->regs_phys, 8); + + kfree(drvdata); + dev_set_drvdata(dev, NULL); + + return 0; +} + + +static struct device_driver xilinxfb_driver = { + .name = DRIVER_NAME, + .bus = &platform_bus_type, + + .probe = xilinxfb_drv_probe, + .remove = xilinxfb_drv_remove +}; + +static int __init +xilinxfb_init(void) +{ + /* + * No kernel boot options used, + * so we just need to register the driver + */ + return driver_register(&xilinxfb_driver); +} + +static void __exit +xilinxfb_cleanup(void) +{ + driver_unregister(&xilinxfb_driver); +} + +module_init(xilinxfb_init); +module_exit(xilinxfb_cleanup); + +MODULE_AUTHOR("MontaVista Software, Inc. <source@mvista.com>"); +MODULE_DESCRIPTION(DRIVER_DESCRIPTION); +MODULE_LICENSE("GPL"); diff --git a/drivers/w1/masters/Kconfig b/drivers/w1/masters/Kconfig index 2fb425536ea..8f779338f74 100644 --- a/drivers/w1/masters/Kconfig +++ b/drivers/w1/masters/Kconfig @@ -35,5 +35,13 @@ config W1_MASTER_DS2482 This driver can also be built as a module. If so, the module will be called ds2482. +config W1_MASTER_DS1WM + tristate "Maxim DS1WM 1-wire busmaster" + depends on W1 && ARM + help + Say Y here to enable the DS1WM 1-wire driver, such as that + in HP iPAQ devices like h5xxx, h2200, and ASIC3-based like + hx4700. + endmenu diff --git a/drivers/w1/masters/Makefile b/drivers/w1/masters/Makefile index 4cee256a813..11551b32818 100644 --- a/drivers/w1/masters/Makefile +++ b/drivers/w1/masters/Makefile @@ -5,4 +5,4 @@ obj-$(CONFIG_W1_MASTER_MATROX) += matrox_w1.o obj-$(CONFIG_W1_MASTER_DS2490) += ds2490.o obj-$(CONFIG_W1_MASTER_DS2482) += ds2482.o - +obj-$(CONFIG_W1_MASTER_DS1WM) += ds1wm.o diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c new file mode 100644 index 00000000000..763bc73e507 --- /dev/null +++ b/drivers/w1/masters/ds1wm.c @@ -0,0 +1,468 @@ +/* + * 1-wire busmaster driver for DS1WM and ASICs with embedded DS1WMs + * such as HP iPAQs (including h5xxx, h2200, and devices with ASIC3 + * like hx4700). + * + * Copyright (c) 2004-2005, Szabolcs Gyurko <szabolcs.gyurko@tlt.hu> + * Copyright (c) 2004-2007, Matt Reimer <mreimer@vpop.net> + * + * Use consistent with the GNU GPL is permitted, + * provided that this copyright notice is + * preserved in its entirety in all copies and derived works. + */ + +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/pm.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/ds1wm.h> + +#include <asm/io.h> + +#include "../w1.h" +#include "../w1_int.h" + + +#define DS1WM_CMD 0x00 /* R/W 4 bits command */ +#define DS1WM_DATA 0x01 /* R/W 8 bits, transmit/receive buffer */ +#define DS1WM_INT 0x02 /* R/W interrupt status */ +#define DS1WM_INT_EN 0x03 /* R/W interrupt enable */ +#define DS1WM_CLKDIV 0x04 /* R/W 5 bits of divisor and pre-scale */ + +#define DS1WM_CMD_1W_RESET (1 << 0) /* force reset on 1-wire bus */ +#define DS1WM_CMD_SRA (1 << 1) /* enable Search ROM accelerator mode */ +#define DS1WM_CMD_DQ_OUTPUT (1 << 2) /* write only - forces bus low */ +#define DS1WM_CMD_DQ_INPUT (1 << 3) /* read only - reflects state of bus */ +#define DS1WM_CMD_RST (1 << 5) /* software reset */ +#define DS1WM_CMD_OD (1 << 7) /* overdrive */ + +#define DS1WM_INT_PD (1 << 0) /* presence detect */ +#define DS1WM_INT_PDR (1 << 1) /* presence detect result */ +#define DS1WM_INT_TBE (1 << 2) /* tx buffer empty */ +#define DS1WM_INT_TSRE (1 << 3) /* tx shift register empty */ +#define DS1WM_INT_RBF (1 << 4) /* rx buffer full */ +#define DS1WM_INT_RSRF (1 << 5) /* rx shift register full */ + +#define DS1WM_INTEN_EPD (1 << 0) /* enable presence detect int */ +#define DS1WM_INTEN_IAS (1 << 1) /* INTR active state */ +#define DS1WM_INTEN_ETBE (1 << 2) /* enable tx buffer empty int */ +#define DS1WM_INTEN_ETMT (1 << 3) /* enable tx shift register empty int */ +#define DS1WM_INTEN_ERBF (1 << 4) /* enable rx buffer full int */ +#define DS1WM_INTEN_ERSRF (1 << 5) /* enable rx shift register full int */ +#define DS1WM_INTEN_DQO (1 << 6) /* enable direct bus driving ops */ + + +#define DS1WM_TIMEOUT (HZ * 5) + +static struct { + unsigned long freq; + unsigned long divisor; +} freq[] = { + { 4000000, 0x8 }, + { 5000000, 0x2 }, + { 6000000, 0x5 }, + { 7000000, 0x3 }, + { 8000000, 0xc }, + { 10000000, 0x6 }, + { 12000000, 0x9 }, + { 14000000, 0x7 }, + { 16000000, 0x10 }, + { 20000000, 0xa }, + { 24000000, 0xd }, + { 28000000, 0xb }, + { 32000000, 0x14 }, + { 40000000, 0xe }, + { 48000000, 0x11 }, + { 56000000, 0xf }, + { 64000000, 0x18 }, + { 80000000, 0x12 }, + { 96000000, 0x15 }, + { 112000000, 0x13 }, + { 128000000, 0x1c }, +}; + +struct ds1wm_data { + void *map; + int bus_shift; /* # of shifts to calc register offsets */ + struct platform_device *pdev; + struct ds1wm_platform_data *pdata; + int irq; + int active_high; + struct clk *clk; + int slave_present; + void *reset_complete; + void *read_complete; + void *write_complete; + u8 read_byte; /* last byte received */ +}; + +static inline void ds1wm_write_register(struct ds1wm_data *ds1wm_data, u32 reg, + u8 val) +{ + __raw_writeb(val, ds1wm_data->map + (reg << ds1wm_data->bus_shift)); +} + +static inline u8 ds1wm_read_register(struct ds1wm_data *ds1wm_data, u32 reg) +{ + return __raw_readb(ds1wm_data->map + (reg << ds1wm_data->bus_shift)); +} + + +static irqreturn_t ds1wm_isr(int isr, void *data) +{ + struct ds1wm_data *ds1wm_data = data; + u8 intr = ds1wm_read_register(ds1wm_data, DS1WM_INT); + + ds1wm_data->slave_present = (intr & DS1WM_INT_PDR) ? 0 : 1; + + if ((intr & DS1WM_INT_PD) && ds1wm_data->reset_complete) + complete(ds1wm_data->reset_complete); + + if ((intr & DS1WM_INT_TSRE) && ds1wm_data->write_complete) + complete(ds1wm_data->write_complete); + + if (intr & DS1WM_INT_RBF) { + ds1wm_data->read_byte = ds1wm_read_register(ds1wm_data, + DS1WM_DATA); + if (ds1wm_data->read_complete) + complete(ds1wm_data->read_complete); + } + + return IRQ_HANDLED; +} + +static int ds1wm_reset(struct ds1wm_data *ds1wm_data) +{ + unsigned long timeleft; + DECLARE_COMPLETION_ONSTACK(reset_done); + + ds1wm_data->reset_complete = &reset_done; + + ds1wm_write_register(ds1wm_data, DS1WM_INT_EN, DS1WM_INTEN_EPD | + (ds1wm_data->active_high ? DS1WM_INTEN_IAS : 0)); + + ds1wm_write_register(ds1wm_data, DS1WM_CMD, DS1WM_CMD_1W_RESET); + + timeleft = wait_for_completion_timeout(&reset_done, DS1WM_TIMEOUT); + ds1wm_data->reset_complete = NULL; + if (!timeleft) { + dev_dbg(&ds1wm_data->pdev->dev, "reset failed\n"); + return 1; + } + + /* Wait for the end of the reset. According to the specs, the time + * from when the interrupt is asserted to the end of the reset is: + * tRSTH - tPDH - tPDL - tPDI + * 625 us - 60 us - 240 us - 100 ns = 324.9 us + * + * We'll wait a bit longer just to be sure. + */ + udelay(500); + + ds1wm_write_register(ds1wm_data, DS1WM_INT_EN, + DS1WM_INTEN_ERBF | DS1WM_INTEN_ETMT | DS1WM_INTEN_EPD | + (ds1wm_data->active_high ? DS1WM_INTEN_IAS : 0)); + + if (!ds1wm_data->slave_present) { + dev_dbg(&ds1wm_data->pdev->dev, "reset: no devices found\n"); + return 1; + } + + return 0; +} + +static int ds1wm_write(struct ds1wm_data *ds1wm_data, u8 data) +{ + DECLARE_COMPLETION_ONSTACK(write_done); + ds1wm_data->write_complete = &write_done; + + ds1wm_write_register(ds1wm_data, DS1WM_DATA, data); + + wait_for_completion_timeout(&write_done, DS1WM_TIMEOUT); + ds1wm_data->write_complete = NULL; + + return 0; +} + +static int ds1wm_read(struct ds1wm_data *ds1wm_data, unsigned char write_data) +{ + DECLARE_COMPLETION_ONSTACK(read_done); + ds1wm_data->read_complete = &read_done; + + ds1wm_write(ds1wm_data, write_data); + wait_for_completion_timeout(&read_done, DS1WM_TIMEOUT); + ds1wm_data->read_complete = NULL; + + return ds1wm_data->read_byte; +} + +static int ds1wm_find_divisor(int gclk) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(freq); i++) + if (gclk <= freq[i].freq) + return freq[i].divisor; + + return 0; +} + +static void ds1wm_up(struct ds1wm_data *ds1wm_data) +{ + int gclk, divisor; + + if (ds1wm_data->pdata->enable) + ds1wm_data->pdata->enable(ds1wm_data->pdev); + + gclk = clk_get_rate(ds1wm_data->clk); + clk_enable(ds1wm_data->clk); + divisor = ds1wm_find_divisor(gclk); + if (divisor == 0) { + dev_err(&ds1wm_data->pdev->dev, + "no suitable divisor for %dHz clock\n", gclk); + return; + } + ds1wm_write_register(ds1wm_data, DS1WM_CLKDIV, divisor); + + /* Let the w1 clock stabilize. */ + msleep(1); + + ds1wm_reset(ds1wm_data); +} + +static void ds1wm_down(struct ds1wm_data *ds1wm_data) +{ + ds1wm_reset(ds1wm_data); + + /* Disable interrupts. */ + ds1wm_write_register(ds1wm_data, DS1WM_INT_EN, + ds1wm_data->active_high ? DS1WM_INTEN_IAS : 0); + + if (ds1wm_data->pdata->disable) + ds1wm_data->pdata->disable(ds1wm_data->pdev); + + clk_disable(ds1wm_data->clk); +} + +/* --------------------------------------------------------------------- */ +/* w1 methods */ + +static u8 ds1wm_read_byte(void *data) +{ + struct ds1wm_data *ds1wm_data = data; + + return ds1wm_read(ds1wm_data, 0xff); +} + +static void ds1wm_write_byte(void *data, u8 byte) +{ + struct ds1wm_data *ds1wm_data = data; + + ds1wm_write(ds1wm_data, byte); +} + +static u8 ds1wm_reset_bus(void *data) +{ + struct ds1wm_data *ds1wm_data = data; + + ds1wm_reset(ds1wm_data); + + return 0; +} + +static void ds1wm_search(void *data, u8 search_type, + w1_slave_found_callback slave_found) +{ + struct ds1wm_data *ds1wm_data = data; + int i; + unsigned long long rom_id; + + /* XXX We need to iterate for multiple devices per the DS1WM docs. + * See http://www.maxim-ic.com/appnotes.cfm/appnote_number/120. */ + if (ds1wm_reset(ds1wm_data)) + return; + + ds1wm_write(ds1wm_data, search_type); + ds1wm_write_register(ds1wm_data, DS1WM_CMD, DS1WM_CMD_SRA); + + for (rom_id = 0, i = 0; i < 16; i++) { + + unsigned char resp, r, d; + + resp = ds1wm_read(ds1wm_data, 0x00); + + r = ((resp & 0x02) >> 1) | + ((resp & 0x08) >> 2) | + ((resp & 0x20) >> 3) | + ((resp & 0x80) >> 4); + + d = ((resp & 0x01) >> 0) | + ((resp & 0x04) >> 1) | + ((resp & 0x10) >> 2) | + ((resp & 0x40) >> 3); + + rom_id |= (unsigned long long) r << (i * 4); + + } + dev_dbg(&ds1wm_data->pdev->dev, "found 0x%08llX", rom_id); + + ds1wm_write_register(ds1wm_data, DS1WM_CMD, ~DS1WM_CMD_SRA); + ds1wm_reset(ds1wm_data); + + slave_found(ds1wm_data, rom_id); +} + +/* --------------------------------------------------------------------- */ + +static struct w1_bus_master ds1wm_master = { + .read_byte = ds1wm_read_byte, + .write_byte = ds1wm_write_byte, + .reset_bus = ds1wm_reset_bus, + .search = ds1wm_search, +}; + +static int ds1wm_probe(struct platform_device *pdev) +{ + struct ds1wm_data *ds1wm_data; + struct ds1wm_platform_data *plat; + struct resource *res; + int ret; + + if (!pdev) + return -ENODEV; + + ds1wm_data = kzalloc(sizeof (*ds1wm_data), GFP_KERNEL); + if (!ds1wm_data) + return -ENOMEM; + + platform_set_drvdata(pdev, ds1wm_data); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + ret = -ENXIO; + goto err0; + } + ds1wm_data->map = ioremap(res->start, res->end - res->start + 1); + if (!ds1wm_data->map) { + ret = -ENOMEM; + goto err0; + } + plat = pdev->dev.platform_data; + ds1wm_data->bus_shift = plat->bus_shift; + ds1wm_data->pdev = pdev; + ds1wm_data->pdata = plat; + + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!res) { + ret = -ENXIO; + goto err1; + } + ds1wm_data->irq = res->start; + ds1wm_data->active_high = (res->flags & IORESOURCE_IRQ_HIGHEDGE) ? + 1 : 0; + + set_irq_type(ds1wm_data->irq, ds1wm_data->active_high ? + IRQ_TYPE_EDGE_RISING : IRQ_TYPE_EDGE_FALLING); + + ret = request_irq(ds1wm_data->irq, ds1wm_isr, IRQF_DISABLED, + "ds1wm", ds1wm_data); + if (ret) + goto err1; + + ds1wm_data->clk = clk_get(&pdev->dev, "ds1wm"); + if (!ds1wm_data->clk) { + ret = -ENOENT; + goto err2; + } + + ds1wm_up(ds1wm_data); + + ds1wm_master.data = (void *)ds1wm_data; + + ret = w1_add_master_device(&ds1wm_master); + if (ret) + goto err3; + + return 0; + +err3: + ds1wm_down(ds1wm_data); + clk_put(ds1wm_data->clk); +err2: + free_irq(ds1wm_data->irq, ds1wm_data); +err1: + iounmap(ds1wm_data->map); +err0: + kfree(ds1wm_data); + + return ret; +} + +#ifdef CONFIG_PM +static int ds1wm_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct ds1wm_data *ds1wm_data = platform_get_drvdata(pdev); + + ds1wm_down(ds1wm_data); + + return 0; +} + +static int ds1wm_resume(struct platform_device *pdev) +{ + struct ds1wm_data *ds1wm_data = platform_get_drvdata(pdev); + + ds1wm_up(ds1wm_data); + + return 0; +} +#else +#define ds1wm_suspend NULL +#define ds1wm_resume NULL +#endif + +static int ds1wm_remove(struct platform_device *pdev) +{ + struct ds1wm_data *ds1wm_data = platform_get_drvdata(pdev); + + w1_remove_master_device(&ds1wm_master); + ds1wm_down(ds1wm_data); + clk_put(ds1wm_data->clk); + free_irq(ds1wm_data->irq, ds1wm_data); + iounmap(ds1wm_data->map); + kfree(ds1wm_data); + + return 0; +} + +static struct platform_driver ds1wm_driver = { + .driver = { + .name = "ds1wm", + }, + .probe = ds1wm_probe, + .remove = ds1wm_remove, + .suspend = ds1wm_suspend, + .resume = ds1wm_resume +}; + +static int __init ds1wm_init(void) +{ + printk("DS1WM w1 busmaster driver - (c) 2004 Szabolcs Gyurko\n"); + return platform_driver_register(&ds1wm_driver); +} + +static void __exit ds1wm_exit(void) +{ + platform_driver_unregister(&ds1wm_driver); +} + +module_init(ds1wm_init); +module_exit(ds1wm_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>, " + "Matt Reimer <mreimer@vpop.net>"); +MODULE_DESCRIPTION("DS1WM w1 busmaster driver"); diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index 63c07243993..7d6876dbcc9 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -459,7 +459,7 @@ static int __w1_attach_slave_device(struct w1_slave *sl) (unsigned long long) sl->reg_num.id); dev_dbg(&sl->dev, "%s: registering %s as %p.\n", __func__, - &sl->dev.bus_id[0]); + &sl->dev.bus_id[0], sl); err = device_register(&sl->dev); if (err < 0) { diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c index 357a2e0f637..258defdb2ef 100644 --- a/drivers/w1/w1_int.c +++ b/drivers/w1/w1_int.c @@ -100,7 +100,8 @@ int w1_add_master_device(struct w1_bus_master *master) /* validate minimum functionality */ if (!(master->touch_bit && master->reset_bus) && - !(master->write_bit && master->read_bit)) { + !(master->write_bit && master->read_bit) && + !(master->write_byte && master->read_byte && master->reset_bus)) { printk(KERN_ERR "w1_add_master_device: invalid function set\n"); return(-EINVAL); } diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c index bed48fa9652..3128aa948a4 100644 --- a/fs/9p/vfs_addr.c +++ b/fs/9p/vfs_addr.c @@ -29,7 +29,6 @@ #include <linux/file.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/pagemap.h> #include <linux/idr.h> diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c index ddffd8aa902..775e26e82cb 100644 --- a/fs/9p/vfs_dentry.c +++ b/fs/9p/vfs_dentry.c @@ -30,7 +30,6 @@ #include <linux/pagemap.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/namei.h> #include <linux/idr.h> diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c index 3129688143e..1dd86ee90bc 100644 --- a/fs/9p/vfs_dir.c +++ b/fs/9p/vfs_dir.c @@ -29,7 +29,6 @@ #include <linux/file.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/sched.h> #include <linux/inet.h> #include <linux/idr.h> diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index c7b67725384..6e7678e4852 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -30,7 +30,6 @@ #include <linux/file.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/list.h> #include <asm/uaccess.h> diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index b01b0a45793..7624821729a 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -30,7 +30,6 @@ #include <linux/pagemap.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/namei.h> #include <linux/idr.h> diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 0ec42f66545..8eb9263a67b 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -31,7 +31,6 @@ #include <linux/file.h> #include <linux/stat.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/pagemap.h> #include <linux/seq_file.h> diff --git a/fs/Kconfig b/fs/Kconfig index 8ea7b04c661..4622dabb225 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -314,7 +314,7 @@ config REISERFS_CHECK config REISERFS_PROC_INFO bool "Stats in /proc/fs/reiserfs" - depends on REISERFS_FS + depends on REISERFS_FS && PROC_FS help Create under /proc/fs/reiserfs a hierarchy of files, displaying various ReiserFS statistics and internal data at the expense of diff --git a/fs/attr.c b/fs/attr.c index 97de9467087..a0a0c7b07ba 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -9,7 +9,6 @@ #include <linux/time.h> #include <linux/mm.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/capability.h> #include <linux/fsnotify.h> #include <linux/fcntl.h> diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 26063dc84a2..5769a2f9ad6 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -18,7 +18,6 @@ #include <linux/pagemap.h> #include <linux/parser.h> #include <linux/bitops.h> -#include <linux/smp_lock.h> #include <linux/magic.h> #include "autofs_i.h" #include <linux/module.h> diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index d0e9b3a3905..15170f4e13a 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -17,7 +17,6 @@ #include <linux/stat.h> #include <linux/param.h> #include <linux/time.h> -#include <linux/smp_lock.h> #include "autofs_i.h" static int autofs4_dir_symlink(struct inode *,struct dentry *,const char *); diff --git a/fs/bad_inode.c b/fs/bad_inode.c index efeab2fab40..329ee473eed 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -12,7 +12,6 @@ #include <linux/module.h> #include <linux/stat.h> #include <linux/time.h> -#include <linux/smp_lock.h> #include <linux/namei.h> #include <linux/poll.h> diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 9cc4f0a8aaa..fa8ea33ab0b 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -31,7 +31,6 @@ #include <linux/init.h> #include <linux/highuid.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/compiler.h> #include <linux/highmem.h> #include <linux/pagemap.h> @@ -39,6 +38,7 @@ #include <linux/syscalls.h> #include <linux/random.h> #include <linux/elf.h> +#include <linux/utsname.h> #include <asm/uaccess.h> #include <asm/param.h> #include <asm/page.h> @@ -871,6 +871,8 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) elf_prot, elf_flags); if (BAD_ADDR(error)) { send_sig(SIGKILL, current, 0); + retval = IS_ERR((void *)error) ? + PTR_ERR((void*)error) : -EINVAL; goto out_free_dentry; } @@ -900,6 +902,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) TASK_SIZE - elf_ppnt->p_memsz < k) { /* set_brk can never work. Avoid overflows. */ send_sig(SIGKILL, current, 0); + retval = -EINVAL; goto out_free_dentry; } diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index f3ddca4a387..9d62fbad3d4 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -30,7 +30,6 @@ #include <linux/personality.h> #include <linux/ptrace.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/elf.h> #include <linux/elf-fdpic.h> #include <linux/elfcore.h> diff --git a/fs/binfmt_em86.c b/fs/binfmt_em86.c index 1f2d1ad6331..576dd7de227 100644 --- a/fs/binfmt_em86.c +++ b/fs/binfmt_em86.c @@ -12,7 +12,6 @@ #include <linux/string.h> #include <linux/stat.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/binfmts.h> #include <linux/elf.h> #include <linux/init.h> diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index e6f57990b12..18657f001b4 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -727,8 +727,8 @@ static const struct super_operations s_ops = { static int bm_fill_super(struct super_block * sb, void * data, int silent) { static struct tree_descr bm_files[] = { - [1] = {"status", &bm_status_operations, S_IWUSR|S_IRUGO}, - [2] = {"register", &bm_register_operations, S_IWUSR}, + [2] = {"status", &bm_status_operations, S_IWUSR|S_IRUGO}, + [3] = {"register", &bm_register_operations, S_IWUSR}, /* last one */ {""} }; int err = simple_fill_super(sb, 0x42494e4d, bm_files); diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c index 1edbcca25a7..304c88544d8 100644 --- a/fs/binfmt_script.c +++ b/fs/binfmt_script.c @@ -12,7 +12,6 @@ #include <linux/binfmts.h> #include <linux/init.h> #include <linux/file.h> -#include <linux/smp_lock.h> #include <linux/err.h> #include <linux/fs.h> diff --git a/fs/block_dev.c b/fs/block_dev.c index f02b7bdd986..74289924087 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -22,6 +22,7 @@ #include <linux/mount.h> #include <linux/uio.h> #include <linux/namei.h> +#include <linux/log2.h> #include <asm/uaccess.h> #include "internal.h" @@ -67,7 +68,7 @@ static void kill_bdev(struct block_device *bdev) int set_blocksize(struct block_device *bdev, int size) { /* Size must be a power of two, and between 512 and PAGE_SIZE */ - if (size > PAGE_SIZE || size < 512 || (size & (size-1))) + if (size > PAGE_SIZE || size < 512 || !is_power_of_2(size)) return -EINVAL; /* Size cannot be smaller than the size supported by the device */ diff --git a/fs/buffer.c b/fs/buffer.c index 7db24b9e544..eb820b82a63 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -24,7 +24,6 @@ #include <linux/mm.h> #include <linux/percpu.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/capability.h> #include <linux/blkdev.h> #include <linux/file.h> @@ -1727,6 +1726,7 @@ recover: } while ((bh = bh->b_this_page) != head); SetPageError(page); BUG_ON(PageWriteback(page)); + mapping_set_error(page->mapping, err); set_page_writeback(page); do { struct buffer_head *next = bh->b_this_page; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index b570530f97b..94d5b49049d 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -27,7 +27,6 @@ #include <linux/fcntl.h> #include <linux/pagemap.h> #include <linux/pagevec.h> -#include <linux/smp_lock.h> #include <linux/writeback.h> #include <linux/task_io_accounting_ops.h> #include <linux/delay.h> diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index b5364f90d55..c08bda9fcac 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -23,7 +23,6 @@ #include <linux/fs.h> #include <linux/pagemap.h> #include <linux/stat.h> -#include <linux/smp_lock.h> #include "cifspdu.h" #include "cifsglob.h" #include "cifsproto.h" diff --git a/fs/compat.c b/fs/compat.c index 72e5e692382..9cf75df9b2b 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -15,6 +15,7 @@ * published by the Free Software Foundation. */ +#include <linux/kernel.h> #include <linux/linkage.h> #include <linux/compat.h> #include <linux/errno.h> @@ -24,10 +25,8 @@ #include <linux/namei.h> #include <linux/file.h> #include <linux/vfs.h> -#include <linux/ioctl32.h> #include <linux/ioctl.h> #include <linux/init.h> -#include <linux/sockios.h> /* for SIOCDEVPRIVATE */ #include <linux/smb.h> #include <linux/smb_mount.h> #include <linux/ncp_mount.h> @@ -45,13 +44,12 @@ #include <linux/personality.h> #include <linux/rwsem.h> #include <linux/tsacct_kern.h> +#include <linux/security.h> #include <linux/highmem.h> #include <linux/poll.h> #include <linux/mm.h> #include <linux/eventpoll.h> -#include <net/sock.h> /* siocdevprivate_ioctl */ - #include <asm/uaccess.h> #include <asm/mmu_context.h> #include <asm/ioctls.h> @@ -79,30 +77,57 @@ int compat_printk(const char *fmt, ...) */ asmlinkage long compat_sys_utime(char __user *filename, struct compat_utimbuf __user *t) { - struct timeval tv[2]; + struct timespec tv[2]; if (t) { if (get_user(tv[0].tv_sec, &t->actime) || get_user(tv[1].tv_sec, &t->modtime)) return -EFAULT; - tv[0].tv_usec = 0; - tv[1].tv_usec = 0; + tv[0].tv_nsec = 0; + tv[1].tv_nsec = 0; + } + return do_utimes(AT_FDCWD, filename, t ? tv : NULL, 0); +} + +asmlinkage long compat_sys_utimensat(unsigned int dfd, char __user *filename, struct compat_timespec __user *t, int flags) +{ + struct timespec tv[2]; + + if (t) { + if (get_compat_timespec(&tv[0], &t[0]) || + get_compat_timespec(&tv[1], &t[1])) + return -EFAULT; + + if ((tv[0].tv_nsec == UTIME_OMIT || tv[0].tv_nsec == UTIME_NOW) + && tv[0].tv_sec != 0) + return -EINVAL; + if ((tv[1].tv_nsec == UTIME_OMIT || tv[1].tv_nsec == UTIME_NOW) + && tv[1].tv_sec != 0) + return -EINVAL; + + if (tv[0].tv_nsec == UTIME_OMIT && tv[1].tv_nsec == UTIME_OMIT) + return 0; } - return do_utimes(AT_FDCWD, filename, t ? tv : NULL); + return do_utimes(dfd, filename, t ? tv : NULL, flags); } asmlinkage long compat_sys_futimesat(unsigned int dfd, char __user *filename, struct compat_timeval __user *t) { - struct timeval tv[2]; + struct timespec tv[2]; if (t) { if (get_user(tv[0].tv_sec, &t[0].tv_sec) || - get_user(tv[0].tv_usec, &t[0].tv_usec) || + get_user(tv[0].tv_nsec, &t[0].tv_usec) || get_user(tv[1].tv_sec, &t[1].tv_sec) || - get_user(tv[1].tv_usec, &t[1].tv_usec)) + get_user(tv[1].tv_nsec, &t[1].tv_usec)) return -EFAULT; + if (tv[0].tv_nsec >= 1000000 || tv[0].tv_nsec < 0 || + tv[1].tv_nsec >= 1000000 || tv[1].tv_nsec < 0) + return -EINVAL; + tv[0].tv_nsec *= 1000; + tv[1].tv_nsec *= 1000; } - return do_utimes(dfd, filename, t ? tv : NULL); + return do_utimes(dfd, filename, t ? tv : NULL, 0); } asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval __user *t) @@ -312,163 +337,6 @@ out: return error; } -/* ioctl32 stuff, used by sparc64, parisc, s390x, ppc64, x86_64, MIPS */ - -#define IOCTL_HASHSIZE 256 -static struct ioctl_trans *ioctl32_hash_table[IOCTL_HASHSIZE]; - -static inline unsigned long ioctl32_hash(unsigned long cmd) -{ - return (((cmd >> 6) ^ (cmd >> 4) ^ cmd)) % IOCTL_HASHSIZE; -} - -static void ioctl32_insert_translation(struct ioctl_trans *trans) -{ - unsigned long hash; - struct ioctl_trans *t; - - hash = ioctl32_hash (trans->cmd); - if (!ioctl32_hash_table[hash]) - ioctl32_hash_table[hash] = trans; - else { - t = ioctl32_hash_table[hash]; - while (t->next) - t = t->next; - trans->next = NULL; - t->next = trans; - } -} - -static int __init init_sys32_ioctl(void) -{ - int i; - - for (i = 0; i < ioctl_table_size; i++) { - if (ioctl_start[i].next != 0) { - printk("ioctl translation %d bad\n",i); - return -1; - } - - ioctl32_insert_translation(&ioctl_start[i]); - } - return 0; -} - -__initcall(init_sys32_ioctl); - -static void compat_ioctl_error(struct file *filp, unsigned int fd, - unsigned int cmd, unsigned long arg) -{ - char buf[10]; - char *fn = "?"; - char *path; - - /* find the name of the device. */ - path = (char *)__get_free_page(GFP_KERNEL); - if (path) { - fn = d_path(filp->f_path.dentry, filp->f_path.mnt, path, PAGE_SIZE); - if (IS_ERR(fn)) - fn = "?"; - } - - sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK); - if (!isprint(buf[1])) - sprintf(buf, "%02x", buf[1]); - compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) " - "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n", - current->comm, current->pid, - (int)fd, (unsigned int)cmd, buf, - (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK, - (unsigned int)arg, fn); - - if (path) - free_page((unsigned long)path); -} - -asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, - unsigned long arg) -{ - struct file *filp; - int error = -EBADF; - struct ioctl_trans *t; - int fput_needed; - - filp = fget_light(fd, &fput_needed); - if (!filp) - goto out; - - /* RED-PEN how should LSM module know it's handling 32bit? */ - error = security_file_ioctl(filp, cmd, arg); - if (error) - goto out_fput; - - /* - * To allow the compat_ioctl handlers to be self contained - * we need to check the common ioctls here first. - * Just handle them with the standard handlers below. - */ - switch (cmd) { - case FIOCLEX: - case FIONCLEX: - case FIONBIO: - case FIOASYNC: - case FIOQSIZE: - break; - - case FIBMAP: - case FIGETBSZ: - case FIONREAD: - if (S_ISREG(filp->f_path.dentry->d_inode->i_mode)) - break; - /*FALL THROUGH*/ - - default: - if (filp->f_op && filp->f_op->compat_ioctl) { - error = filp->f_op->compat_ioctl(filp, cmd, arg); - if (error != -ENOIOCTLCMD) - goto out_fput; - } - - if (!filp->f_op || - (!filp->f_op->ioctl && !filp->f_op->unlocked_ioctl)) - goto do_ioctl; - break; - } - - for (t = ioctl32_hash_table[ioctl32_hash(cmd)]; t; t = t->next) { - if (t->cmd == cmd) - goto found_handler; - } - - if (S_ISSOCK(filp->f_path.dentry->d_inode->i_mode) && - cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) { - error = siocdevprivate_ioctl(fd, cmd, arg); - } else { - static int count; - - if (++count <= 50) - compat_ioctl_error(filp, fd, cmd, arg); - error = -EINVAL; - } - - goto out_fput; - - found_handler: - if (t->handler) { - lock_kernel(); - error = t->handler(fd, cmd, arg, filp); - unlock_kernel(); - goto out_fput; - } - - do_ioctl: - error = vfs_ioctl(filp, fd, cmd, arg); - out_fput: - fput_light(filp, fput_needed); - out: - return error; -} - static int get_compat_flock(struct flock *kfl, struct compat_flock __user *ufl) { if (!access_ok(VERIFY_READ, ufl, sizeof(*ufl)) || @@ -902,8 +770,6 @@ asmlinkage long compat_sys_mount(char __user * dev_name, char __user * dir_name, } #define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de))) -#define COMPAT_ROUND_UP(x) (((x)+sizeof(compat_long_t)-1) & \ - ~(sizeof(compat_long_t)-1)) struct compat_old_linux_dirent { compat_ulong_t d_ino; @@ -991,7 +857,7 @@ static int compat_filldir(void *__buf, const char *name, int namlen, struct compat_linux_dirent __user * dirent; struct compat_getdents_callback *buf = __buf; compat_ulong_t d_ino; - int reclen = COMPAT_ROUND_UP(NAME_OFFSET(dirent) + namlen + 2); + int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 2, sizeof(compat_long_t)); buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) @@ -1066,7 +932,6 @@ out: } #ifndef __ARCH_OMIT_COMPAT_SYS_GETDENTS64 -#define COMPAT_ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1)) struct compat_getdents_callback64 { struct linux_dirent64 __user *current_dir; @@ -1081,7 +946,7 @@ static int compat_filldir64(void * __buf, const char * name, int namlen, loff_t struct linux_dirent64 __user *dirent; struct compat_getdents_callback64 *buf = __buf; int jj = NAME_OFFSET(dirent); - int reclen = COMPAT_ROUND_UP64(jj + namlen + 1); + int reclen = ALIGN(jj + namlen + 1, sizeof(u64)); u64 off; buf->error = -EINVAL; /* only used if we fail.. */ @@ -1594,8 +1459,6 @@ out_ret: #define __COMPAT_NFDBITS (8 * sizeof(compat_ulong_t)) -#define ROUND_UP(x,y) (((x)+(y)-1)/(y)) - /* * Ooo, nasty. We need here to frob 32-bit unsigned longs to * 64-bit unsigned longs. @@ -1604,7 +1467,7 @@ static int compat_get_fd_set(unsigned long nr, compat_ulong_t __user *ufdset, unsigned long *fdset) { - nr = ROUND_UP(nr, __COMPAT_NFDBITS); + nr = DIV_ROUND_UP(nr, __COMPAT_NFDBITS); if (ufdset) { unsigned long odd; @@ -1638,7 +1501,7 @@ int compat_set_fd_set(unsigned long nr, compat_ulong_t __user *ufdset, unsigned long *fdset) { unsigned long odd; - nr = ROUND_UP(nr, __COMPAT_NFDBITS); + nr = DIV_ROUND_UP(nr, __COMPAT_NFDBITS); if (!ufdset) return 0; @@ -1760,7 +1623,7 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, if ((u64)tv.tv_sec >= (u64)MAX_INT64_SECONDS) timeout = -1; /* infinite */ else { - timeout = ROUND_UP(tv.tv_usec, 1000000/HZ); + timeout = DIV_ROUND_UP(tv.tv_usec, 1000000/HZ); timeout += tv.tv_sec * HZ; } } @@ -1828,7 +1691,7 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp, do { if (tsp) { if ((unsigned long)ts.tv_sec < MAX_SELECT_SECONDS) { - timeout = ROUND_UP(ts.tv_nsec, 1000000000/HZ); + timeout = DIV_ROUND_UP(ts.tv_nsec, 1000000000/HZ); timeout += ts.tv_sec * (unsigned long)HZ; ts.tv_sec = 0; ts.tv_nsec = 0; @@ -1924,7 +1787,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, /* We assume that ts.tv_sec is always lower than the number of seconds that can be expressed in an s64. Otherwise the compiler bitches at us */ - timeout = ROUND_UP(ts.tv_nsec, 1000000000/HZ); + timeout = DIV_ROUND_UP(ts.tv_nsec, 1000000000/HZ); timeout += ts.tv_sec * HZ; } diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 464c04a9541..d92bc3eb7af 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -17,7 +17,6 @@ #include <linux/compiler.h> #include <linux/sched.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/ioctl.h> #include <linux/if.h> #include <linux/if_bridge.h> @@ -58,7 +57,6 @@ #include <linux/serial.h> #include <linux/if_tun.h> #include <linux/ctype.h> -#include <linux/ioctl32.h> #include <linux/syscalls.h> #include <linux/i2c.h> #include <linux/i2c-dev.h> @@ -66,7 +64,6 @@ #include <linux/atalk.h> #include <linux/blktrace_api.h> -#include <net/sock.h> /* siocdevprivate_ioctl */ #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci.h> #include <net/bluetooth/rfcomm.h> @@ -475,7 +472,7 @@ static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) }; } -int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) +static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) { struct ifreq __user *u_ifreq64; struct ifreq32 __user *u_ifreq32 = compat_ptr(arg); @@ -687,8 +684,10 @@ static int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg) if (!err) { err = copy_to_user (ugeo, &geo, 4); err |= __put_user (geo.start, &ugeo->start); + if (err) + err = -EFAULT; } - return err ? -EFAULT : 0; + return err; } static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) @@ -2385,6 +2384,16 @@ lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg) return sys_ioctl(fd, cmd, (unsigned long)tn); } + +typedef int (*ioctl_trans_handler_t)(unsigned int, unsigned int, + unsigned long, struct file *); + +struct ioctl_trans { + unsigned long cmd; + ioctl_trans_handler_t handler; + struct ioctl_trans *next; +}; + #define HANDLE_IOCTL(cmd,handler) \ { (cmd), (ioctl_trans_handler_t)(handler) }, @@ -2405,8 +2414,835 @@ lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg) Most other reasons are not valid. */ #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd) -struct ioctl_trans ioctl_start[] = { -#include <linux/compat_ioctl.h> +static struct ioctl_trans ioctl_start[] = { +/* compatible ioctls first */ +COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */ +COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */ + +/* Big T */ +COMPATIBLE_IOCTL(TCGETA) +COMPATIBLE_IOCTL(TCSETA) +COMPATIBLE_IOCTL(TCSETAW) +COMPATIBLE_IOCTL(TCSETAF) +COMPATIBLE_IOCTL(TCSBRK) +ULONG_IOCTL(TCSBRKP) +COMPATIBLE_IOCTL(TCXONC) +COMPATIBLE_IOCTL(TCFLSH) +COMPATIBLE_IOCTL(TCGETS) +COMPATIBLE_IOCTL(TCSETS) +COMPATIBLE_IOCTL(TCSETSW) +COMPATIBLE_IOCTL(TCSETSF) +COMPATIBLE_IOCTL(TIOCLINUX) +COMPATIBLE_IOCTL(TIOCSBRK) +COMPATIBLE_IOCTL(TIOCCBRK) +ULONG_IOCTL(TIOCMIWAIT) +COMPATIBLE_IOCTL(TIOCGICOUNT) +/* Little t */ +COMPATIBLE_IOCTL(TIOCGETD) +COMPATIBLE_IOCTL(TIOCSETD) +COMPATIBLE_IOCTL(TIOCEXCL) +COMPATIBLE_IOCTL(TIOCNXCL) +COMPATIBLE_IOCTL(TIOCCONS) +COMPATIBLE_IOCTL(TIOCGSOFTCAR) +COMPATIBLE_IOCTL(TIOCSSOFTCAR) +COMPATIBLE_IOCTL(TIOCSWINSZ) +COMPATIBLE_IOCTL(TIOCGWINSZ) +COMPATIBLE_IOCTL(TIOCMGET) +COMPATIBLE_IOCTL(TIOCMBIC) +COMPATIBLE_IOCTL(TIOCMBIS) +COMPATIBLE_IOCTL(TIOCMSET) +COMPATIBLE_IOCTL(TIOCPKT) +COMPATIBLE_IOCTL(TIOCNOTTY) +COMPATIBLE_IOCTL(TIOCSTI) +COMPATIBLE_IOCTL(TIOCOUTQ) +COMPATIBLE_IOCTL(TIOCSPGRP) +COMPATIBLE_IOCTL(TIOCGPGRP) +ULONG_IOCTL(TIOCSCTTY) +COMPATIBLE_IOCTL(TIOCGPTN) +COMPATIBLE_IOCTL(TIOCSPTLCK) +COMPATIBLE_IOCTL(TIOCSERGETLSR) +/* Little f */ +COMPATIBLE_IOCTL(FIOCLEX) +COMPATIBLE_IOCTL(FIONCLEX) +COMPATIBLE_IOCTL(FIOASYNC) +COMPATIBLE_IOCTL(FIONBIO) +COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */ +/* 0x00 */ +COMPATIBLE_IOCTL(FIBMAP) +COMPATIBLE_IOCTL(FIGETBSZ) +/* 0x03 -- HD/IDE ioctl's used by hdparm and friends. + * Some need translations, these do not. + */ +COMPATIBLE_IOCTL(HDIO_GET_IDENTITY) +COMPATIBLE_IOCTL(HDIO_DRIVE_TASK) +COMPATIBLE_IOCTL(HDIO_DRIVE_CMD) +ULONG_IOCTL(HDIO_SET_MULTCOUNT) +ULONG_IOCTL(HDIO_SET_UNMASKINTR) +ULONG_IOCTL(HDIO_SET_KEEPSETTINGS) +ULONG_IOCTL(HDIO_SET_32BIT) +ULONG_IOCTL(HDIO_SET_NOWERR) +ULONG_IOCTL(HDIO_SET_DMA) +ULONG_IOCTL(HDIO_SET_PIO_MODE) +ULONG_IOCTL(HDIO_SET_NICE) +ULONG_IOCTL(HDIO_SET_WCACHE) +ULONG_IOCTL(HDIO_SET_ACOUSTIC) +ULONG_IOCTL(HDIO_SET_BUSSTATE) +ULONG_IOCTL(HDIO_SET_ADDRESS) +COMPATIBLE_IOCTL(HDIO_SCAN_HWIF) +/* 0x330 is reserved -- it used to be HDIO_GETGEO_BIG */ +COMPATIBLE_IOCTL(0x330) +/* 0x02 -- Floppy ioctls */ +COMPATIBLE_IOCTL(FDMSGON) +COMPATIBLE_IOCTL(FDMSGOFF) +COMPATIBLE_IOCTL(FDSETEMSGTRESH) +COMPATIBLE_IOCTL(FDFLUSH) +COMPATIBLE_IOCTL(FDWERRORCLR) +COMPATIBLE_IOCTL(FDSETMAXERRS) +COMPATIBLE_IOCTL(FDGETMAXERRS) +COMPATIBLE_IOCTL(FDGETDRVTYP) +COMPATIBLE_IOCTL(FDEJECT) +COMPATIBLE_IOCTL(FDCLRPRM) +COMPATIBLE_IOCTL(FDFMTBEG) +COMPATIBLE_IOCTL(FDFMTEND) +COMPATIBLE_IOCTL(FDRESET) +COMPATIBLE_IOCTL(FDTWADDLE) +COMPATIBLE_IOCTL(FDFMTTRK) +COMPATIBLE_IOCTL(FDRAWCMD) +/* 0x12 */ +#ifdef CONFIG_BLOCK +COMPATIBLE_IOCTL(BLKRASET) +COMPATIBLE_IOCTL(BLKROSET) +COMPATIBLE_IOCTL(BLKROGET) +COMPATIBLE_IOCTL(BLKRRPART) +COMPATIBLE_IOCTL(BLKFLSBUF) +COMPATIBLE_IOCTL(BLKSECTSET) +COMPATIBLE_IOCTL(BLKSSZGET) +COMPATIBLE_IOCTL(BLKTRACESTART) +COMPATIBLE_IOCTL(BLKTRACESTOP) +COMPATIBLE_IOCTL(BLKTRACESETUP) +COMPATIBLE_IOCTL(BLKTRACETEARDOWN) +ULONG_IOCTL(BLKRASET) +ULONG_IOCTL(BLKFRASET) +#endif +/* RAID */ +COMPATIBLE_IOCTL(RAID_VERSION) +COMPATIBLE_IOCTL(GET_ARRAY_INFO) +COMPATIBLE_IOCTL(GET_DISK_INFO) +COMPATIBLE_IOCTL(PRINT_RAID_DEBUG) +COMPATIBLE_IOCTL(RAID_AUTORUN) +COMPATIBLE_IOCTL(CLEAR_ARRAY) +COMPATIBLE_IOCTL(ADD_NEW_DISK) +ULONG_IOCTL(HOT_REMOVE_DISK) +COMPATIBLE_IOCTL(SET_ARRAY_INFO) +COMPATIBLE_IOCTL(SET_DISK_INFO) +COMPATIBLE_IOCTL(WRITE_RAID_INFO) +COMPATIBLE_IOCTL(UNPROTECT_ARRAY) +COMPATIBLE_IOCTL(PROTECT_ARRAY) +ULONG_IOCTL(HOT_ADD_DISK) +ULONG_IOCTL(SET_DISK_FAULTY) +COMPATIBLE_IOCTL(RUN_ARRAY) +COMPATIBLE_IOCTL(STOP_ARRAY) +COMPATIBLE_IOCTL(STOP_ARRAY_RO) +COMPATIBLE_IOCTL(RESTART_ARRAY_RW) +COMPATIBLE_IOCTL(GET_BITMAP_FILE) +ULONG_IOCTL(SET_BITMAP_FILE) +/* DM */ +COMPATIBLE_IOCTL(DM_VERSION_32) +COMPATIBLE_IOCTL(DM_REMOVE_ALL_32) +COMPATIBLE_IOCTL(DM_LIST_DEVICES_32) +COMPATIBLE_IOCTL(DM_DEV_CREATE_32) +COMPATIBLE_IOCTL(DM_DEV_REMOVE_32) +COMPATIBLE_IOCTL(DM_DEV_RENAME_32) +COMPATIBLE_IOCTL(DM_DEV_SUSPEND_32) +COMPATIBLE_IOCTL(DM_DEV_STATUS_32) +COMPATIBLE_IOCTL(DM_DEV_WAIT_32) +COMPATIBLE_IOCTL(DM_TABLE_LOAD_32) +COMPATIBLE_IOCTL(DM_TABLE_CLEAR_32) +COMPATIBLE_IOCTL(DM_TABLE_DEPS_32) +COMPATIBLE_IOCTL(DM_TABLE_STATUS_32) +COMPATIBLE_IOCTL(DM_LIST_VERSIONS_32) +COMPATIBLE_IOCTL(DM_TARGET_MSG_32) +COMPATIBLE_IOCTL(DM_DEV_SET_GEOMETRY_32) +COMPATIBLE_IOCTL(DM_VERSION) +COMPATIBLE_IOCTL(DM_REMOVE_ALL) +COMPATIBLE_IOCTL(DM_LIST_DEVICES) +COMPATIBLE_IOCTL(DM_DEV_CREATE) +COMPATIBLE_IOCTL(DM_DEV_REMOVE) +COMPATIBLE_IOCTL(DM_DEV_RENAME) +COMPATIBLE_IOCTL(DM_DEV_SUSPEND) +COMPATIBLE_IOCTL(DM_DEV_STATUS) +COMPATIBLE_IOCTL(DM_DEV_WAIT) +COMPATIBLE_IOCTL(DM_TABLE_LOAD) +COMPATIBLE_IOCTL(DM_TABLE_CLEAR) +COMPATIBLE_IOCTL(DM_TABLE_DEPS) +COMPATIBLE_IOCTL(DM_TABLE_STATUS) +COMPATIBLE_IOCTL(DM_LIST_VERSIONS) +COMPATIBLE_IOCTL(DM_TARGET_MSG) +COMPATIBLE_IOCTL(DM_DEV_SET_GEOMETRY) +/* Big K */ +COMPATIBLE_IOCTL(PIO_FONT) +COMPATIBLE_IOCTL(GIO_FONT) +ULONG_IOCTL(KDSIGACCEPT) +COMPATIBLE_IOCTL(KDGETKEYCODE) +COMPATIBLE_IOCTL(KDSETKEYCODE) +ULONG_IOCTL(KIOCSOUND) +ULONG_IOCTL(KDMKTONE) +COMPATIBLE_IOCTL(KDGKBTYPE) +ULONG_IOCTL(KDSETMODE) +COMPATIBLE_IOCTL(KDGETMODE) +ULONG_IOCTL(KDSKBMODE) +COMPATIBLE_IOCTL(KDGKBMODE) +ULONG_IOCTL(KDSKBMETA) +COMPATIBLE_IOCTL(KDGKBMETA) +COMPATIBLE_IOCTL(KDGKBENT) +COMPATIBLE_IOCTL(KDSKBENT) +COMPATIBLE_IOCTL(KDGKBSENT) +COMPATIBLE_IOCTL(KDSKBSENT) +COMPATIBLE_IOCTL(KDGKBDIACR) +COMPATIBLE_IOCTL(KDSKBDIACR) +COMPATIBLE_IOCTL(KDKBDREP) +COMPATIBLE_IOCTL(KDGKBLED) +ULONG_IOCTL(KDSKBLED) +COMPATIBLE_IOCTL(KDGETLED) +ULONG_IOCTL(KDSETLED) +COMPATIBLE_IOCTL(GIO_SCRNMAP) +COMPATIBLE_IOCTL(PIO_SCRNMAP) +COMPATIBLE_IOCTL(GIO_UNISCRNMAP) +COMPATIBLE_IOCTL(PIO_UNISCRNMAP) +COMPATIBLE_IOCTL(PIO_FONTRESET) +COMPATIBLE_IOCTL(PIO_UNIMAPCLR) +/* Big S */ +COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN) +COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK) +COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK) +COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY) +COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER) +COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND) +COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST) +COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI) +/* Big T */ +COMPATIBLE_IOCTL(TUNSETNOCSUM) +COMPATIBLE_IOCTL(TUNSETDEBUG) +COMPATIBLE_IOCTL(TUNSETPERSIST) +COMPATIBLE_IOCTL(TUNSETOWNER) +/* Big V */ +COMPATIBLE_IOCTL(VT_SETMODE) +COMPATIBLE_IOCTL(VT_GETMODE) +COMPATIBLE_IOCTL(VT_GETSTATE) +COMPATIBLE_IOCTL(VT_OPENQRY) +ULONG_IOCTL(VT_ACTIVATE) +ULONG_IOCTL(VT_WAITACTIVE) +ULONG_IOCTL(VT_RELDISP) +ULONG_IOCTL(VT_DISALLOCATE) +COMPATIBLE_IOCTL(VT_RESIZE) +COMPATIBLE_IOCTL(VT_RESIZEX) +COMPATIBLE_IOCTL(VT_LOCKSWITCH) +COMPATIBLE_IOCTL(VT_UNLOCKSWITCH) +COMPATIBLE_IOCTL(VT_GETHIFONTMASK) +/* Little p (/dev/rtc, /dev/envctrl, etc.) */ +COMPATIBLE_IOCTL(RTC_AIE_ON) +COMPATIBLE_IOCTL(RTC_AIE_OFF) +COMPATIBLE_IOCTL(RTC_UIE_ON) +COMPATIBLE_IOCTL(RTC_UIE_OFF) +COMPATIBLE_IOCTL(RTC_PIE_ON) +COMPATIBLE_IOCTL(RTC_PIE_OFF) +COMPATIBLE_IOCTL(RTC_WIE_ON) +COMPATIBLE_IOCTL(RTC_WIE_OFF) +COMPATIBLE_IOCTL(RTC_ALM_SET) +COMPATIBLE_IOCTL(RTC_ALM_READ) +COMPATIBLE_IOCTL(RTC_RD_TIME) +COMPATIBLE_IOCTL(RTC_SET_TIME) +COMPATIBLE_IOCTL(RTC_WKALM_SET) +COMPATIBLE_IOCTL(RTC_WKALM_RD) +/* + * These two are only for the sbus rtc driver, but + * hwclock tries them on every rtc device first when + * running on sparc. On other architectures the entries + * are useless but harmless. + */ +COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */ +COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */ +/* Little m */ +COMPATIBLE_IOCTL(MTIOCTOP) +/* Socket level stuff */ +COMPATIBLE_IOCTL(FIOQSIZE) +COMPATIBLE_IOCTL(FIOSETOWN) +COMPATIBLE_IOCTL(SIOCSPGRP) +COMPATIBLE_IOCTL(FIOGETOWN) +COMPATIBLE_IOCTL(SIOCGPGRP) +COMPATIBLE_IOCTL(SIOCATMARK) +COMPATIBLE_IOCTL(SIOCSIFLINK) +COMPATIBLE_IOCTL(SIOCSIFENCAP) +COMPATIBLE_IOCTL(SIOCGIFENCAP) +COMPATIBLE_IOCTL(SIOCSIFNAME) +COMPATIBLE_IOCTL(SIOCSARP) +COMPATIBLE_IOCTL(SIOCGARP) +COMPATIBLE_IOCTL(SIOCDARP) +COMPATIBLE_IOCTL(SIOCSRARP) +COMPATIBLE_IOCTL(SIOCGRARP) +COMPATIBLE_IOCTL(SIOCDRARP) +COMPATIBLE_IOCTL(SIOCADDDLCI) +COMPATIBLE_IOCTL(SIOCDELDLCI) +COMPATIBLE_IOCTL(SIOCGMIIPHY) +COMPATIBLE_IOCTL(SIOCGMIIREG) +COMPATIBLE_IOCTL(SIOCSMIIREG) +COMPATIBLE_IOCTL(SIOCGIFVLAN) +COMPATIBLE_IOCTL(SIOCSIFVLAN) +COMPATIBLE_IOCTL(SIOCBRADDBR) +COMPATIBLE_IOCTL(SIOCBRDELBR) +/* SG stuff */ +COMPATIBLE_IOCTL(SG_SET_TIMEOUT) +COMPATIBLE_IOCTL(SG_GET_TIMEOUT) +COMPATIBLE_IOCTL(SG_EMULATED_HOST) +ULONG_IOCTL(SG_SET_TRANSFORM) +COMPATIBLE_IOCTL(SG_GET_TRANSFORM) +COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE) +COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE) +COMPATIBLE_IOCTL(SG_GET_SCSI_ID) +COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA) +COMPATIBLE_IOCTL(SG_GET_LOW_DMA) +COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID) +COMPATIBLE_IOCTL(SG_GET_PACK_ID) +COMPATIBLE_IOCTL(SG_GET_NUM_WAITING) +COMPATIBLE_IOCTL(SG_SET_DEBUG) +COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE) +COMPATIBLE_IOCTL(SG_GET_COMMAND_Q) +COMPATIBLE_IOCTL(SG_SET_COMMAND_Q) +COMPATIBLE_IOCTL(SG_GET_VERSION_NUM) +COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN) +COMPATIBLE_IOCTL(SG_SCSI_RESET) +COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE) +COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN) +COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN) +/* PPP stuff */ +COMPATIBLE_IOCTL(PPPIOCGFLAGS) +COMPATIBLE_IOCTL(PPPIOCSFLAGS) +COMPATIBLE_IOCTL(PPPIOCGASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCSASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCGUNIT) +COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCGMRU) +COMPATIBLE_IOCTL(PPPIOCSMRU) +COMPATIBLE_IOCTL(PPPIOCSMAXCID) +COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP) +COMPATIBLE_IOCTL(PPPIOCXFERUNIT) +/* PPPIOCSCOMPRESS is translated */ +COMPATIBLE_IOCTL(PPPIOCGNPMODE) +COMPATIBLE_IOCTL(PPPIOCSNPMODE) +COMPATIBLE_IOCTL(PPPIOCGDEBUG) +COMPATIBLE_IOCTL(PPPIOCSDEBUG) +/* PPPIOCSPASS is translated */ +/* PPPIOCSACTIVE is translated */ +/* PPPIOCGIDLE is translated */ +COMPATIBLE_IOCTL(PPPIOCNEWUNIT) +COMPATIBLE_IOCTL(PPPIOCATTACH) +COMPATIBLE_IOCTL(PPPIOCDETACH) +COMPATIBLE_IOCTL(PPPIOCSMRRU) +COMPATIBLE_IOCTL(PPPIOCCONNECT) +COMPATIBLE_IOCTL(PPPIOCDISCONN) +COMPATIBLE_IOCTL(PPPIOCATTCHAN) +COMPATIBLE_IOCTL(PPPIOCGCHAN) +/* PPPOX */ +COMPATIBLE_IOCTL(PPPOEIOCSFWD) +COMPATIBLE_IOCTL(PPPOEIOCDFWD) +/* LP */ +COMPATIBLE_IOCTL(LPGETSTATUS) +/* ppdev */ +COMPATIBLE_IOCTL(PPSETMODE) +COMPATIBLE_IOCTL(PPRSTATUS) +COMPATIBLE_IOCTL(PPRCONTROL) +COMPATIBLE_IOCTL(PPWCONTROL) +COMPATIBLE_IOCTL(PPFCONTROL) +COMPATIBLE_IOCTL(PPRDATA) +COMPATIBLE_IOCTL(PPWDATA) +COMPATIBLE_IOCTL(PPCLAIM) +COMPATIBLE_IOCTL(PPRELEASE) +COMPATIBLE_IOCTL(PPYIELD) +COMPATIBLE_IOCTL(PPEXCL) +COMPATIBLE_IOCTL(PPDATADIR) +COMPATIBLE_IOCTL(PPNEGOT) +COMPATIBLE_IOCTL(PPWCTLONIRQ) +COMPATIBLE_IOCTL(PPCLRIRQ) +COMPATIBLE_IOCTL(PPSETPHASE) +COMPATIBLE_IOCTL(PPGETMODES) +COMPATIBLE_IOCTL(PPGETMODE) +COMPATIBLE_IOCTL(PPGETPHASE) +COMPATIBLE_IOCTL(PPGETFLAGS) +COMPATIBLE_IOCTL(PPSETFLAGS) +/* CDROM stuff */ +COMPATIBLE_IOCTL(CDROMPAUSE) +COMPATIBLE_IOCTL(CDROMRESUME) +COMPATIBLE_IOCTL(CDROMPLAYMSF) +COMPATIBLE_IOCTL(CDROMPLAYTRKIND) +COMPATIBLE_IOCTL(CDROMREADTOCHDR) +COMPATIBLE_IOCTL(CDROMREADTOCENTRY) +COMPATIBLE_IOCTL(CDROMSTOP) +COMPATIBLE_IOCTL(CDROMSTART) +COMPATIBLE_IOCTL(CDROMEJECT) +COMPATIBLE_IOCTL(CDROMVOLCTRL) +COMPATIBLE_IOCTL(CDROMSUBCHNL) +ULONG_IOCTL(CDROMEJECT_SW) +COMPATIBLE_IOCTL(CDROMMULTISESSION) +COMPATIBLE_IOCTL(CDROM_GET_MCN) +COMPATIBLE_IOCTL(CDROMRESET) +COMPATIBLE_IOCTL(CDROMVOLREAD) +COMPATIBLE_IOCTL(CDROMSEEK) +COMPATIBLE_IOCTL(CDROMPLAYBLK) +COMPATIBLE_IOCTL(CDROMCLOSETRAY) +ULONG_IOCTL(CDROM_SET_OPTIONS) +ULONG_IOCTL(CDROM_CLEAR_OPTIONS) +ULONG_IOCTL(CDROM_SELECT_SPEED) +ULONG_IOCTL(CDROM_SELECT_DISC) +ULONG_IOCTL(CDROM_MEDIA_CHANGED) +ULONG_IOCTL(CDROM_DRIVE_STATUS) +COMPATIBLE_IOCTL(CDROM_DISC_STATUS) +COMPATIBLE_IOCTL(CDROM_CHANGER_NSLOTS) +ULONG_IOCTL(CDROM_LOCKDOOR) +ULONG_IOCTL(CDROM_DEBUG) +COMPATIBLE_IOCTL(CDROM_GET_CAPABILITY) +/* Ignore cdrom.h about these next 5 ioctls, they absolutely do + * not take a struct cdrom_read, instead they take a struct cdrom_msf + * which is compatible. + */ +COMPATIBLE_IOCTL(CDROMREADMODE2) +COMPATIBLE_IOCTL(CDROMREADMODE1) +COMPATIBLE_IOCTL(CDROMREADRAW) +COMPATIBLE_IOCTL(CDROMREADCOOKED) +COMPATIBLE_IOCTL(CDROMREADALL) +/* DVD ioctls */ +COMPATIBLE_IOCTL(DVD_READ_STRUCT) +COMPATIBLE_IOCTL(DVD_WRITE_STRUCT) +COMPATIBLE_IOCTL(DVD_AUTH) +/* pktcdvd */ +COMPATIBLE_IOCTL(PACKET_CTRL_CMD) +/* Big A */ +/* sparc only */ +/* Big Q for sound/OSS */ +COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET) +COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC) +COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO) +COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE) +COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT) +COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT) +COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE) +COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR) +COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI) +COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES) +COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS) +COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS) +COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO) +COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD) +COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL) +COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE) +COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC) +COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND) +COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME) +COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID) +COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL) +COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE) +/* Big T for sound/OSS */ +COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE) +COMPATIBLE_IOCTL(SNDCTL_TMR_START) +COMPATIBLE_IOCTL(SNDCTL_TMR_STOP) +COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE) +COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO) +COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE) +COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME) +COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT) +/* Little m for sound/OSS */ +COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME) +COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE) +COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD) +/* Big P for sound/OSS */ +COMPATIBLE_IOCTL(SNDCTL_DSP_RESET) +COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC) +COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED) +COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE) +COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS) +COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER) +COMPATIBLE_IOCTL(SNDCTL_DSP_POST) +COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE) +COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS) +COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE) +COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER) +COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR) +/* SNDCTL_DSP_MAPINBUF, XXX needs translation */ +/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */ +COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO) +COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX) +COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY) +COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE) +COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE) +COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS) +COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS) +COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER) +/* Big C for sound/OSS */ +COMPATIBLE_IOCTL(SNDCTL_COPR_RESET) +COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD) +COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA) +COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE) +COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA) +COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE) +COMPATIBLE_IOCTL(SNDCTL_COPR_RUN) +COMPATIBLE_IOCTL(SNDCTL_COPR_HALT) +COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG) +COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG) +/* Big M for sound/OSS */ +COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO)) +COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR)) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE) +/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */ +/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */ +COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS) +COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO)) +COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR)) +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE) +/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */ +/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */ +COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC) +COMPATIBLE_IOCTL(SOUND_MIXER_INFO) +COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO) +COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS) +COMPATIBLE_IOCTL(SOUND_MIXER_AGC) +COMPATIBLE_IOCTL(SOUND_MIXER_3DSE) +COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1) +COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2) +COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3) +COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4) +COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5) +COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS) +COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS) +COMPATIBLE_IOCTL(OSS_GETVERSION) +/* AUTOFS */ +ULONG_IOCTL(AUTOFS_IOC_READY) +ULONG_IOCTL(AUTOFS_IOC_FAIL) +COMPATIBLE_IOCTL(AUTOFS_IOC_CATATONIC) +COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOVER) +COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE) +COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI) +COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOSUBVER) +COMPATIBLE_IOCTL(AUTOFS_IOC_ASKREGHOST) +COMPATIBLE_IOCTL(AUTOFS_IOC_TOGGLEREGHOST) +COMPATIBLE_IOCTL(AUTOFS_IOC_ASKUMOUNT) +/* Raw devices */ +COMPATIBLE_IOCTL(RAW_SETBIND) +COMPATIBLE_IOCTL(RAW_GETBIND) +/* SMB ioctls which do not need any translations */ +COMPATIBLE_IOCTL(SMB_IOC_NEWCONN) +/* Little a */ +COMPATIBLE_IOCTL(ATMSIGD_CTRL) +COMPATIBLE_IOCTL(ATMARPD_CTRL) +COMPATIBLE_IOCTL(ATMLEC_CTRL) +COMPATIBLE_IOCTL(ATMLEC_MCAST) +COMPATIBLE_IOCTL(ATMLEC_DATA) +COMPATIBLE_IOCTL(ATM_SETSC) +COMPATIBLE_IOCTL(SIOCSIFATMTCP) +COMPATIBLE_IOCTL(SIOCMKCLIP) +COMPATIBLE_IOCTL(ATMARP_MKIP) +COMPATIBLE_IOCTL(ATMARP_SETENTRY) +COMPATIBLE_IOCTL(ATMARP_ENCAP) +COMPATIBLE_IOCTL(ATMTCP_CREATE) +COMPATIBLE_IOCTL(ATMTCP_REMOVE) +COMPATIBLE_IOCTL(ATMMPC_CTRL) +COMPATIBLE_IOCTL(ATMMPC_DATA) +/* Watchdog */ +COMPATIBLE_IOCTL(WDIOC_GETSUPPORT) +COMPATIBLE_IOCTL(WDIOC_GETSTATUS) +COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS) +COMPATIBLE_IOCTL(WDIOC_GETTEMP) +COMPATIBLE_IOCTL(WDIOC_SETOPTIONS) +COMPATIBLE_IOCTL(WDIOC_KEEPALIVE) +COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT) +COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT) +/* Big R */ +COMPATIBLE_IOCTL(RNDGETENTCNT) +COMPATIBLE_IOCTL(RNDADDTOENTCNT) +COMPATIBLE_IOCTL(RNDGETPOOL) +COMPATIBLE_IOCTL(RNDADDENTROPY) +COMPATIBLE_IOCTL(RNDZAPENTCNT) +COMPATIBLE_IOCTL(RNDCLEARPOOL) +/* Bluetooth */ +COMPATIBLE_IOCTL(HCIDEVUP) +COMPATIBLE_IOCTL(HCIDEVDOWN) +COMPATIBLE_IOCTL(HCIDEVRESET) +COMPATIBLE_IOCTL(HCIDEVRESTAT) +COMPATIBLE_IOCTL(HCIGETDEVLIST) +COMPATIBLE_IOCTL(HCIGETDEVINFO) +COMPATIBLE_IOCTL(HCIGETCONNLIST) +COMPATIBLE_IOCTL(HCIGETCONNINFO) +COMPATIBLE_IOCTL(HCISETRAW) +COMPATIBLE_IOCTL(HCISETSCAN) +COMPATIBLE_IOCTL(HCISETAUTH) +COMPATIBLE_IOCTL(HCISETENCRYPT) +COMPATIBLE_IOCTL(HCISETPTYPE) +COMPATIBLE_IOCTL(HCISETLINKPOL) +COMPATIBLE_IOCTL(HCISETLINKMODE) +COMPATIBLE_IOCTL(HCISETACLMTU) +COMPATIBLE_IOCTL(HCISETSCOMTU) +COMPATIBLE_IOCTL(HCIINQUIRY) +COMPATIBLE_IOCTL(HCIUARTSETPROTO) +COMPATIBLE_IOCTL(HCIUARTGETPROTO) +COMPATIBLE_IOCTL(RFCOMMCREATEDEV) +COMPATIBLE_IOCTL(RFCOMMRELEASEDEV) +COMPATIBLE_IOCTL(RFCOMMGETDEVLIST) +COMPATIBLE_IOCTL(RFCOMMGETDEVINFO) +COMPATIBLE_IOCTL(RFCOMMSTEALDLC) +COMPATIBLE_IOCTL(BNEPCONNADD) +COMPATIBLE_IOCTL(BNEPCONNDEL) +COMPATIBLE_IOCTL(BNEPGETCONNLIST) +COMPATIBLE_IOCTL(BNEPGETCONNINFO) +COMPATIBLE_IOCTL(CMTPCONNADD) +COMPATIBLE_IOCTL(CMTPCONNDEL) +COMPATIBLE_IOCTL(CMTPGETCONNLIST) +COMPATIBLE_IOCTL(CMTPGETCONNINFO) +COMPATIBLE_IOCTL(HIDPCONNADD) +COMPATIBLE_IOCTL(HIDPCONNDEL) +COMPATIBLE_IOCTL(HIDPGETCONNLIST) +COMPATIBLE_IOCTL(HIDPGETCONNINFO) +/* CAPI */ +COMPATIBLE_IOCTL(CAPI_REGISTER) +COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER) +COMPATIBLE_IOCTL(CAPI_GET_VERSION) +COMPATIBLE_IOCTL(CAPI_GET_SERIAL) +COMPATIBLE_IOCTL(CAPI_GET_PROFILE) +COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD) +COMPATIBLE_IOCTL(CAPI_GET_ERRCODE) +COMPATIBLE_IOCTL(CAPI_INSTALLED) +COMPATIBLE_IOCTL(CAPI_GET_FLAGS) +COMPATIBLE_IOCTL(CAPI_SET_FLAGS) +COMPATIBLE_IOCTL(CAPI_CLR_FLAGS) +COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT) +COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT) +/* Siemens Gigaset */ +COMPATIBLE_IOCTL(GIGASET_REDIR) +COMPATIBLE_IOCTL(GIGASET_CONFIG) +COMPATIBLE_IOCTL(GIGASET_BRKCHARS) +COMPATIBLE_IOCTL(GIGASET_VERSION) +/* Misc. */ +COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */ +COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */ +COMPATIBLE_IOCTL(PCIIOC_CONTROLLER) +COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO) +COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM) +COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE) +/* USB */ +COMPATIBLE_IOCTL(USBDEVFS_RESETEP) +COMPATIBLE_IOCTL(USBDEVFS_SETINTERFACE) +COMPATIBLE_IOCTL(USBDEVFS_SETCONFIGURATION) +COMPATIBLE_IOCTL(USBDEVFS_GETDRIVER) +COMPATIBLE_IOCTL(USBDEVFS_DISCARDURB) +COMPATIBLE_IOCTL(USBDEVFS_CLAIMINTERFACE) +COMPATIBLE_IOCTL(USBDEVFS_RELEASEINTERFACE) +COMPATIBLE_IOCTL(USBDEVFS_CONNECTINFO) +COMPATIBLE_IOCTL(USBDEVFS_HUB_PORTINFO) +COMPATIBLE_IOCTL(USBDEVFS_RESET) +COMPATIBLE_IOCTL(USBDEVFS_SUBMITURB32) +COMPATIBLE_IOCTL(USBDEVFS_REAPURB32) +COMPATIBLE_IOCTL(USBDEVFS_REAPURBNDELAY32) +COMPATIBLE_IOCTL(USBDEVFS_CLEAR_HALT) +/* MTD */ +COMPATIBLE_IOCTL(MEMGETINFO) +COMPATIBLE_IOCTL(MEMERASE) +COMPATIBLE_IOCTL(MEMLOCK) +COMPATIBLE_IOCTL(MEMUNLOCK) +COMPATIBLE_IOCTL(MEMGETREGIONCOUNT) +COMPATIBLE_IOCTL(MEMGETREGIONINFO) +COMPATIBLE_IOCTL(MEMGETBADBLOCK) +COMPATIBLE_IOCTL(MEMSETBADBLOCK) +/* NBD */ +ULONG_IOCTL(NBD_SET_SOCK) +ULONG_IOCTL(NBD_SET_BLKSIZE) +ULONG_IOCTL(NBD_SET_SIZE) +COMPATIBLE_IOCTL(NBD_DO_IT) +COMPATIBLE_IOCTL(NBD_CLEAR_SOCK) +COMPATIBLE_IOCTL(NBD_CLEAR_QUE) +COMPATIBLE_IOCTL(NBD_PRINT_DEBUG) +ULONG_IOCTL(NBD_SET_SIZE_BLOCKS) +COMPATIBLE_IOCTL(NBD_DISCONNECT) +/* i2c */ +COMPATIBLE_IOCTL(I2C_SLAVE) +COMPATIBLE_IOCTL(I2C_SLAVE_FORCE) +COMPATIBLE_IOCTL(I2C_TENBIT) +COMPATIBLE_IOCTL(I2C_PEC) +COMPATIBLE_IOCTL(I2C_RETRIES) +COMPATIBLE_IOCTL(I2C_TIMEOUT) +/* wireless */ +COMPATIBLE_IOCTL(SIOCSIWCOMMIT) +COMPATIBLE_IOCTL(SIOCGIWNAME) +COMPATIBLE_IOCTL(SIOCSIWNWID) +COMPATIBLE_IOCTL(SIOCGIWNWID) +COMPATIBLE_IOCTL(SIOCSIWFREQ) +COMPATIBLE_IOCTL(SIOCGIWFREQ) +COMPATIBLE_IOCTL(SIOCSIWMODE) +COMPATIBLE_IOCTL(SIOCGIWMODE) +COMPATIBLE_IOCTL(SIOCSIWSENS) +COMPATIBLE_IOCTL(SIOCGIWSENS) +COMPATIBLE_IOCTL(SIOCSIWRANGE) +COMPATIBLE_IOCTL(SIOCSIWPRIV) +COMPATIBLE_IOCTL(SIOCGIWPRIV) +COMPATIBLE_IOCTL(SIOCSIWSTATS) +COMPATIBLE_IOCTL(SIOCGIWSTATS) +COMPATIBLE_IOCTL(SIOCSIWAP) +COMPATIBLE_IOCTL(SIOCGIWAP) +COMPATIBLE_IOCTL(SIOCSIWSCAN) +COMPATIBLE_IOCTL(SIOCSIWRATE) +COMPATIBLE_IOCTL(SIOCGIWRATE) +COMPATIBLE_IOCTL(SIOCSIWRTS) +COMPATIBLE_IOCTL(SIOCGIWRTS) +COMPATIBLE_IOCTL(SIOCSIWFRAG) +COMPATIBLE_IOCTL(SIOCGIWFRAG) +COMPATIBLE_IOCTL(SIOCSIWTXPOW) +COMPATIBLE_IOCTL(SIOCGIWTXPOW) +COMPATIBLE_IOCTL(SIOCSIWRETRY) +COMPATIBLE_IOCTL(SIOCGIWRETRY) +COMPATIBLE_IOCTL(SIOCSIWPOWER) +COMPATIBLE_IOCTL(SIOCGIWPOWER) +/* hiddev */ +COMPATIBLE_IOCTL(HIDIOCGVERSION) +COMPATIBLE_IOCTL(HIDIOCAPPLICATION) +COMPATIBLE_IOCTL(HIDIOCGDEVINFO) +COMPATIBLE_IOCTL(HIDIOCGSTRING) +COMPATIBLE_IOCTL(HIDIOCINITREPORT) +COMPATIBLE_IOCTL(HIDIOCGREPORT) +COMPATIBLE_IOCTL(HIDIOCSREPORT) +COMPATIBLE_IOCTL(HIDIOCGREPORTINFO) +COMPATIBLE_IOCTL(HIDIOCGFIELDINFO) +COMPATIBLE_IOCTL(HIDIOCGUSAGE) +COMPATIBLE_IOCTL(HIDIOCSUSAGE) +COMPATIBLE_IOCTL(HIDIOCGUCODE) +COMPATIBLE_IOCTL(HIDIOCGFLAG) +COMPATIBLE_IOCTL(HIDIOCSFLAG) +COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX) +COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO) +/* dvb */ +COMPATIBLE_IOCTL(AUDIO_STOP) +COMPATIBLE_IOCTL(AUDIO_PLAY) +COMPATIBLE_IOCTL(AUDIO_PAUSE) +COMPATIBLE_IOCTL(AUDIO_CONTINUE) +COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE) +COMPATIBLE_IOCTL(AUDIO_SET_MUTE) +COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC) +COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE) +COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT) +COMPATIBLE_IOCTL(AUDIO_GET_STATUS) +COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES) +COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER) +COMPATIBLE_IOCTL(AUDIO_SET_ID) +COMPATIBLE_IOCTL(AUDIO_SET_MIXER) +COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE) +COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID) +COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES) +COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE) +COMPATIBLE_IOCTL(DMX_START) +COMPATIBLE_IOCTL(DMX_STOP) +COMPATIBLE_IOCTL(DMX_SET_FILTER) +COMPATIBLE_IOCTL(DMX_SET_PES_FILTER) +COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE) +COMPATIBLE_IOCTL(DMX_GET_PES_PIDS) +COMPATIBLE_IOCTL(DMX_GET_CAPS) +COMPATIBLE_IOCTL(DMX_SET_SOURCE) +COMPATIBLE_IOCTL(DMX_GET_STC) +COMPATIBLE_IOCTL(FE_GET_INFO) +COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD) +COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD) +COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY) +COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST) +COMPATIBLE_IOCTL(FE_SET_TONE) +COMPATIBLE_IOCTL(FE_SET_VOLTAGE) +COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE) +COMPATIBLE_IOCTL(FE_READ_STATUS) +COMPATIBLE_IOCTL(FE_READ_BER) +COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH) +COMPATIBLE_IOCTL(FE_READ_SNR) +COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS) +COMPATIBLE_IOCTL(FE_SET_FRONTEND) +COMPATIBLE_IOCTL(FE_GET_FRONTEND) +COMPATIBLE_IOCTL(FE_GET_EVENT) +COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD) +COMPATIBLE_IOCTL(VIDEO_STOP) +COMPATIBLE_IOCTL(VIDEO_PLAY) +COMPATIBLE_IOCTL(VIDEO_FREEZE) +COMPATIBLE_IOCTL(VIDEO_CONTINUE) +COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE) +COMPATIBLE_IOCTL(VIDEO_SET_BLANK) +COMPATIBLE_IOCTL(VIDEO_GET_STATUS) +COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT) +COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD) +COMPATIBLE_IOCTL(VIDEO_SLOWMOTION) +COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES) +COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER) +COMPATIBLE_IOCTL(VIDEO_SET_ID) +COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE) +COMPATIBLE_IOCTL(VIDEO_SET_FORMAT) +COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM) +COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT) +COMPATIBLE_IOCTL(VIDEO_SET_SPU) +COMPATIBLE_IOCTL(VIDEO_GET_NAVI) +COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES) +COMPATIBLE_IOCTL(VIDEO_GET_SIZE) +COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE) + +/* now things that need handlers */ HANDLE_IOCTL(MEMREADOOB32, mtd_rw_oob) HANDLE_IOCTL(MEMWRITEOOB32, mtd_rw_oob) #ifdef CONFIG_NET @@ -2638,4 +3474,156 @@ IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32) IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32) }; -int ioctl_table_size = ARRAY_SIZE(ioctl_start); +#define IOCTL_HASHSIZE 256 +static struct ioctl_trans *ioctl32_hash_table[IOCTL_HASHSIZE]; + +static inline unsigned long ioctl32_hash(unsigned long cmd) +{ + return (((cmd >> 6) ^ (cmd >> 4) ^ cmd)) % IOCTL_HASHSIZE; +} + +static void compat_ioctl_error(struct file *filp, unsigned int fd, + unsigned int cmd, unsigned long arg) +{ + char buf[10]; + char *fn = "?"; + char *path; + + /* find the name of the device. */ + path = (char *)__get_free_page(GFP_KERNEL); + if (path) { + fn = d_path(filp->f_path.dentry, filp->f_path.mnt, path, PAGE_SIZE); + if (IS_ERR(fn)) + fn = "?"; + } + + sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK); + if (!isprint(buf[1])) + sprintf(buf, "%02x", buf[1]); + compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) " + "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n", + current->comm, current->pid, + (int)fd, (unsigned int)cmd, buf, + (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK, + (unsigned int)arg, fn); + + if (path) + free_page((unsigned long)path); +} + +asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, + unsigned long arg) +{ + struct file *filp; + int error = -EBADF; + struct ioctl_trans *t; + int fput_needed; + + filp = fget_light(fd, &fput_needed); + if (!filp) + goto out; + + /* RED-PEN how should LSM module know it's handling 32bit? */ + error = security_file_ioctl(filp, cmd, arg); + if (error) + goto out_fput; + + /* + * To allow the compat_ioctl handlers to be self contained + * we need to check the common ioctls here first. + * Just handle them with the standard handlers below. + */ + switch (cmd) { + case FIOCLEX: + case FIONCLEX: + case FIONBIO: + case FIOASYNC: + case FIOQSIZE: + break; + + case FIBMAP: + case FIGETBSZ: + case FIONREAD: + if (S_ISREG(filp->f_path.dentry->d_inode->i_mode)) + break; + /*FALL THROUGH*/ + + default: + if (filp->f_op && filp->f_op->compat_ioctl) { + error = filp->f_op->compat_ioctl(filp, cmd, arg); + if (error != -ENOIOCTLCMD) + goto out_fput; + } + + if (!filp->f_op || + (!filp->f_op->ioctl && !filp->f_op->unlocked_ioctl)) + goto do_ioctl; + break; + } + + for (t = ioctl32_hash_table[ioctl32_hash(cmd)]; t; t = t->next) { + if (t->cmd == cmd) + goto found_handler; + } + + if (S_ISSOCK(filp->f_path.dentry->d_inode->i_mode) && + cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) { + error = siocdevprivate_ioctl(fd, cmd, arg); + } else { + static int count; + + if (++count <= 50) + compat_ioctl_error(filp, fd, cmd, arg); + error = -EINVAL; + } + + goto out_fput; + + found_handler: + if (t->handler) { + lock_kernel(); + error = t->handler(fd, cmd, arg, filp); + unlock_kernel(); + goto out_fput; + } + + do_ioctl: + error = vfs_ioctl(filp, fd, cmd, arg); + out_fput: + fput_light(filp, fput_needed); + out: + return error; +} + +static void ioctl32_insert_translation(struct ioctl_trans *trans) +{ + unsigned long hash; + struct ioctl_trans *t; + + hash = ioctl32_hash (trans->cmd); + if (!ioctl32_hash_table[hash]) + ioctl32_hash_table[hash] = trans; + else { + t = ioctl32_hash_table[hash]; + while (t->next) + t = t->next; + trans->next = NULL; + t->next = trans; + } +} + +static int __init init_sys32_ioctl(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ioctl_start); i++) { + if (ioctl_start[i].next != 0) { + printk("ioctl translation %d bad\n",i); + return -1; + } + + ioctl32_insert_translation(&ioctl_start[i]); + } + return 0; +} +__initcall(init_sys32_ioctl); diff --git a/fs/dcache.c b/fs/dcache.c index d1bf5d8aeb5..0e73aa0a0e8 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -21,7 +21,6 @@ #include <linux/fsnotify.h> #include <linux/slab.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/hash.h> #include <linux/cache.h> #include <linux/module.h> @@ -121,6 +120,28 @@ static void dentry_iput(struct dentry * dentry) } } +/** + * d_kill - kill dentry and return parent + * @dentry: dentry to kill + * + * Called with dcache_lock and d_lock, releases both. The dentry must + * already be unhashed and removed from the LRU. + * + * If this is the root of the dentry tree, return NULL. + */ +static struct dentry *d_kill(struct dentry *dentry) +{ + struct dentry *parent; + + list_del(&dentry->d_u.d_child); + dentry_stat.nr_dentry--; /* For d_free, below */ + /*drops the locks, at that point nobody can reach this dentry */ + dentry_iput(dentry); + parent = dentry->d_parent; + d_free(dentry); + return dentry == parent ? NULL : parent; +} + /* * This is dput * @@ -189,28 +210,17 @@ repeat: unhash_it: __d_drop(dentry); - -kill_it: { - struct dentry *parent; - - /* If dentry was on d_lru list - * delete it from there - */ - if (!list_empty(&dentry->d_lru)) { - list_del(&dentry->d_lru); - dentry_stat.nr_unused--; - } - list_del(&dentry->d_u.d_child); - dentry_stat.nr_dentry--; /* For d_free, below */ - /*drops the locks, at that point nobody can reach this dentry */ - dentry_iput(dentry); - parent = dentry->d_parent; - d_free(dentry); - if (dentry == parent) - return; - dentry = parent; - goto repeat; +kill_it: + /* If dentry was on d_lru list + * delete it from there + */ + if (!list_empty(&dentry->d_lru)) { + list_del(&dentry->d_lru); + dentry_stat.nr_unused--; } + dentry = d_kill(dentry); + if (dentry) + goto repeat; } /** @@ -371,22 +381,40 @@ restart: * Throw away a dentry - free the inode, dput the parent. This requires that * the LRU list has already been removed. * + * If prune_parents is true, try to prune ancestors as well. + * * Called with dcache_lock, drops it and then regains. * Called with dentry->d_lock held, drops it. */ -static void prune_one_dentry(struct dentry * dentry) +static void prune_one_dentry(struct dentry * dentry, int prune_parents) { - struct dentry * parent; - __d_drop(dentry); - list_del(&dentry->d_u.d_child); - dentry_stat.nr_dentry--; /* For d_free, below */ - dentry_iput(dentry); - parent = dentry->d_parent; - d_free(dentry); - if (parent != dentry) - dput(parent); + dentry = d_kill(dentry); + if (!prune_parents) { + dput(dentry); + spin_lock(&dcache_lock); + return; + } + + /* + * Prune ancestors. Locking is simpler than in dput(), + * because dcache_lock needs to be taken anyway. + */ spin_lock(&dcache_lock); + while (dentry) { + if (!atomic_dec_and_lock(&dentry->d_count, &dentry->d_lock)) + return; + + if (dentry->d_op && dentry->d_op->d_delete) + dentry->d_op->d_delete(dentry); + if (!list_empty(&dentry->d_lru)) { + list_del(&dentry->d_lru); + dentry_stat.nr_unused--; + } + __d_drop(dentry); + dentry = d_kill(dentry); + spin_lock(&dcache_lock); + } } /** @@ -394,6 +422,7 @@ static void prune_one_dentry(struct dentry * dentry) * @count: number of entries to try and free * @sb: if given, ignore dentries for other superblocks * which are being unmounted. + * @prune_parents: if true, try to prune ancestors as well in one go * * Shrink the dcache. This is done when we need * more memory, or simply when we need to unmount @@ -404,7 +433,7 @@ static void prune_one_dentry(struct dentry * dentry) * all the dentries are in use. */ -static void prune_dcache(int count, struct super_block *sb) +static void prune_dcache(int count, struct super_block *sb, int prune_parents) { spin_lock(&dcache_lock); for (; count ; count--) { @@ -464,7 +493,7 @@ static void prune_dcache(int count, struct super_block *sb) * without taking the s_umount lock (I already hold it). */ if (sb && dentry->d_sb == sb) { - prune_one_dentry(dentry); + prune_one_dentry(dentry, prune_parents); continue; } /* @@ -479,7 +508,7 @@ static void prune_dcache(int count, struct super_block *sb) s_umount = &dentry->d_sb->s_umount; if (down_read_trylock(s_umount)) { if (dentry->d_sb->s_root != NULL) { - prune_one_dentry(dentry); + prune_one_dentry(dentry, prune_parents); up_read(s_umount); continue; } @@ -550,7 +579,7 @@ repeat: spin_unlock(&dentry->d_lock); continue; } - prune_one_dentry(dentry); + prune_one_dentry(dentry, 1); cond_resched_lock(&dcache_lock); goto repeat; } @@ -829,7 +858,7 @@ void shrink_dcache_parent(struct dentry * parent) int found; while ((found = select_parent(parent)) != 0) - prune_dcache(found, parent->d_sb); + prune_dcache(found, parent->d_sb, 1); } /* @@ -849,7 +878,7 @@ static int shrink_dcache_memory(int nr, gfp_t gfp_mask) if (nr) { if (!(gfp_mask & __GFP_FS)) return -1; - prune_dcache(nr, NULL); + prune_dcache(nr, NULL, 1); } return (dentry_stat.nr_unused / 100) * sysctl_vfs_cache_pressure; } @@ -1823,6 +1852,16 @@ char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt, struct vfsmount *rootmnt; struct dentry *root; + /* + * We have various synthetic filesystems that never get mounted. On + * these filesystems dentries are never used for lookup purposes, and + * thus don't need to be hashed. They also don't need a name until a + * user wants to identify the object in /proc/pid/fd/. The little hack + * below allows us to generate a name for these objects on demand: + */ + if (dentry->d_op && dentry->d_op->d_dname) + return dentry->d_op->d_dname(dentry, buf, buflen); + read_lock(¤t->fs->lock); rootmnt = mntget(current->fs->rootmnt); root = dget(current->fs->root); @@ -1836,6 +1875,27 @@ char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt, } /* + * Helper function for dentry_operations.d_dname() members + */ +char *dynamic_dname(struct dentry *dentry, char *buffer, int buflen, + const char *fmt, ...) +{ + va_list args; + char temp[64]; + int sz; + + va_start(args, fmt); + sz = vsnprintf(temp, sizeof(temp), fmt, args) + 1; + va_end(args); + + if (sz > sizeof(temp) || sz > buflen) + return ERR_PTR(-ENAMETOOLONG); + + buffer += buflen - sz; + return memcpy(buffer, temp, sz); +} + +/* * NOTE! The user-level library version returns a * character pointer. The kernel system call just * returns the length of the buffer filled (which diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 643e57b622b..06ef9a255c7 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -19,6 +19,7 @@ #include <linux/tty.h> #include <linux/devpts_fs.h> #include <linux/parser.h> +#include <linux/fsnotify.h> #define DEVPTS_SUPER_MAGIC 0x1cd1 @@ -178,8 +179,10 @@ int devpts_pty_new(struct tty_struct *tty) inode->i_private = tty; dentry = get_node(number); - if (!IS_ERR(dentry) && !dentry->d_inode) + if (!IS_ERR(dentry) && !dentry->d_inode) { d_instantiate(dentry, inode); + fsnotify_create(devpts_root->d_inode, dentry); + } mutex_unlock(&devpts_root->d_inode->i_mutex); diff --git a/fs/dquot.c b/fs/dquot.c index 0a5febc159f..3a995841de9 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -69,7 +69,6 @@ #include <linux/file.h> #include <linux/slab.h> #include <linux/sysctl.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/module.h> #include <linux/proc_fs.h> @@ -475,7 +474,7 @@ int vfs_quota_sync(struct super_block *sb, int type) spin_lock(&dq_list_lock); dirty = &dqopt->info[cnt].dqi_dirty_list; while (!list_empty(dirty)) { - dquot = list_entry(dirty->next, struct dquot, dq_dirty); + dquot = list_first_entry(dirty, struct dquot, dq_dirty); /* Dirty and inactive can be only bad dquot... */ if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) { clear_dquot_dirty(dquot); @@ -721,7 +720,8 @@ static inline int dqput_blocks(struct dquot *dquot) /* Remove references to dquots from inode - add dquot to list for freeing if needed */ /* We can't race with anybody because we hold dqptr_sem for writing... */ -int remove_inode_dquot_ref(struct inode *inode, int type, struct list_head *tofree_head) +static int remove_inode_dquot_ref(struct inode *inode, int type, + struct list_head *tofree_head) { struct dquot *dquot = inode->i_dquot[type]; diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 7a7d25d541e..9881b5c5de5 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -28,7 +28,6 @@ #include <linux/mount.h> #include <linux/pagemap.h> #include <linux/security.h> -#include <linux/smp_lock.h> #include <linux/compat.h> #include <linux/fs_stack.h> #include "ecryptfs_kernel.h" diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 3ae644e7e86..b5c7ca58493 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -22,7 +22,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/list.h> #include <linux/hash.h> @@ -185,7 +184,7 @@ struct eppoll_entry { /* * Each file descriptor added to the eventpoll interface will - * have an entry of this type linked to the hash. + * have an entry of this type linked to the "rbr" RB tree. */ struct epitem { /* RB-Tree node used to link this structure to the eventpoll rb-tree */ @@ -217,15 +216,6 @@ struct epitem { /* List header used to link this item to the "struct file" items list */ struct list_head fllink; - - /* List header used to link the item to the transfer list */ - struct list_head txlink; - - /* - * This is used during the collection/transfer of events to userspace - * to pin items empty events set. - */ - unsigned int revents; }; /* Wrapper struct used by poll queueing */ @@ -258,11 +248,8 @@ static int ep_remove(struct eventpoll *ep, struct epitem *epi); static int ep_poll_callback(wait_queue_t *wait, unsigned mode, int sync, void *key); static int ep_eventpoll_close(struct inode *inode, struct file *file); static unsigned int ep_eventpoll_poll(struct file *file, poll_table *wait); -static int ep_collect_ready_items(struct eventpoll *ep, - struct list_head *txlist, int maxevents); static int ep_send_events(struct eventpoll *ep, struct list_head *txlist, - struct epoll_event __user *events); -static void ep_reinject_items(struct eventpoll *ep, struct list_head *txlist); + struct epoll_event __user *events, int maxevents); static int ep_events_transfer(struct eventpoll *ep, struct epoll_event __user *events, int maxevents); @@ -355,17 +342,6 @@ static inline int ep_rb_linked(struct rb_node *n) return rb_parent(n) != n; } -/* - * Remove the item from the list and perform its initialization. - * This is useful for us because we can test if the item is linked - * using "ep_is_linked(p)". - */ -static inline void ep_list_del(struct list_head *p) -{ - list_del(p); - INIT_LIST_HEAD(p); -} - /* Tells us if the item is currently linked */ static inline int ep_is_linked(struct list_head *p) { @@ -385,7 +361,7 @@ static inline struct epitem * ep_item_from_epqueue(poll_table *p) } /* Tells if the epoll_ctl(2) operation needs an event copy from userspace */ -static inline int ep_op_hash_event(int op) +static inline int ep_op_has_event(int op) { return op != EPOLL_CTL_DEL; } @@ -477,10 +453,10 @@ void eventpoll_release_file(struct file *file) mutex_lock(&epmutex); while (!list_empty(lsthead)) { - epi = list_entry(lsthead->next, struct epitem, fllink); + epi = list_first_entry(lsthead, struct epitem, fllink); ep = epi->ep; - ep_list_del(&epi->fllink); + list_del_init(&epi->fllink); down_write(&ep->sem); ep_remove(ep, epi); up_write(&ep->sem); @@ -557,7 +533,7 @@ sys_epoll_ctl(int epfd, int op, int fd, struct epoll_event __user *event) current, epfd, op, fd, event)); error = -EFAULT; - if (ep_op_hash_event(op) && + if (ep_op_has_event(op) && copy_from_user(&epds, event, sizeof(struct epoll_event))) goto eexit_1; @@ -594,7 +570,7 @@ sys_epoll_ctl(int epfd, int op, int fd, struct epoll_event __user *event) down_write(&ep->sem); - /* Try to lookup the file inside our hash table */ + /* Try to lookup the file inside our RB tree */ epi = ep_find(ep, tfile, fd); error = -EINVAL; @@ -876,7 +852,7 @@ static void ep_free(struct eventpoll *ep) } /* - * Walks through the whole hash by freeing each "struct epitem". At this + * Walks through the whole tree by freeing each "struct epitem". At this * point we are sure no poll callbacks will be lingering around, and also by * write-holding "sem" we can be sure that no file cleanup code will hit * us during this operation. So we can avoid the lock on "ep->lock". @@ -891,7 +867,7 @@ static void ep_free(struct eventpoll *ep) /* - * Search the file inside the eventpoll hash. It add usage count to + * Search the file inside the eventpoll tree. It add usage count to * the returned item, so the caller must call ep_release_epitem() * after finished using the "struct epitem". */ @@ -1011,7 +987,6 @@ static int ep_insert(struct eventpoll *ep, struct epoll_event *event, ep_rb_initnode(&epi->rbn); INIT_LIST_HEAD(&epi->rdllink); INIT_LIST_HEAD(&epi->fllink); - INIT_LIST_HEAD(&epi->txlink); INIT_LIST_HEAD(&epi->pwqlist); epi->ep = ep; ep_set_ffd(&epi->ffd, tfile, fd); @@ -1080,7 +1055,7 @@ eexit_2: */ write_lock_irqsave(&ep->lock, flags); if (ep_is_linked(&epi->rdllink)) - ep_list_del(&epi->rdllink); + list_del_init(&epi->rdllink); write_unlock_irqrestore(&ep->lock, flags); kmem_cache_free(epi_cache, epi); @@ -1119,7 +1094,7 @@ static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_even epi->event.data = event->data; /* - * If the item is not linked to the hash it means that it's on its + * If the item is not linked to the RB tree it means that it's on its * way toward the removal. Do nothing in this case. */ if (ep_rb_linked(&epi->rbn)) { @@ -1168,9 +1143,9 @@ static void ep_unregister_pollwait(struct eventpoll *ep, struct epitem *epi) if (nwait) { while (!list_empty(lsthead)) { - pwq = list_entry(lsthead->next, struct eppoll_entry, llink); + pwq = list_first_entry(lsthead, struct eppoll_entry, llink); - ep_list_del(&pwq->llink); + list_del_init(&pwq->llink); remove_wait_queue(pwq->whead, &pwq->wait); kmem_cache_free(pwq_cache, pwq); } @@ -1213,7 +1188,7 @@ static int ep_unlink(struct eventpoll *ep, struct epitem *epi) * we want to remove it from this list to avoid stale events. */ if (ep_is_linked(&epi->rdllink)) - ep_list_del(&epi->rdllink); + list_del_init(&epi->rdllink); error = 0; eexit_1: @@ -1226,7 +1201,7 @@ eexit_1: /* - * Removes a "struct epitem" from the eventpoll hash and deallocates + * Removes a "struct epitem" from the eventpoll RB tree and deallocates * all the associated resources. */ static int ep_remove(struct eventpoll *ep, struct epitem *epi) @@ -1248,13 +1223,13 @@ static int ep_remove(struct eventpoll *ep, struct epitem *epi) /* Remove the current item from the list of epoll hooks */ spin_lock(&file->f_ep_lock); if (ep_is_linked(&epi->fllink)) - ep_list_del(&epi->fllink); + list_del_init(&epi->fllink); spin_unlock(&file->f_ep_lock); /* We need to acquire the write IRQ lock before calling ep_unlink() */ write_lock_irqsave(&ep->lock, flags); - /* Really unlink the item from the hash */ + /* Really unlink the item from the RB tree */ error = ep_unlink(ep, epi); write_unlock_irqrestore(&ep->lock, flags); @@ -1362,71 +1337,30 @@ static unsigned int ep_eventpoll_poll(struct file *file, poll_table *wait) /* - * Since we have to release the lock during the __copy_to_user() operation and - * during the f_op->poll() call, we try to collect the maximum number of items - * by reducing the irqlock/irqunlock switching rate. - */ -static int ep_collect_ready_items(struct eventpoll *ep, struct list_head *txlist, int maxevents) -{ - int nepi; - unsigned long flags; - struct list_head *lsthead = &ep->rdllist, *lnk; - struct epitem *epi; - - write_lock_irqsave(&ep->lock, flags); - - for (nepi = 0, lnk = lsthead->next; lnk != lsthead && nepi < maxevents;) { - epi = list_entry(lnk, struct epitem, rdllink); - - lnk = lnk->next; - - /* If this file is already in the ready list we exit soon */ - if (!ep_is_linked(&epi->txlink)) { - /* - * This is initialized in this way so that the default - * behaviour of the reinjecting code will be to push back - * the item inside the ready list. - */ - epi->revents = epi->event.events; - - /* Link the ready item into the transfer list */ - list_add(&epi->txlink, txlist); - nepi++; - - /* - * Unlink the item from the ready list. - */ - ep_list_del(&epi->rdllink); - } - } - - write_unlock_irqrestore(&ep->lock, flags); - - return nepi; -} - - -/* * This function is called without holding the "ep->lock" since the call to * __copy_to_user() might sleep, and also f_op->poll() might reenable the IRQ * because of the way poll() is traditionally implemented in Linux. */ static int ep_send_events(struct eventpoll *ep, struct list_head *txlist, - struct epoll_event __user *events) + struct epoll_event __user *events, int maxevents) { - int eventcnt = 0; + int eventcnt, error = -EFAULT, pwake = 0; unsigned int revents; - struct list_head *lnk; + unsigned long flags; struct epitem *epi; + struct list_head injlist; + + INIT_LIST_HEAD(&injlist); /* * We can loop without lock because this is a task private list. - * The test done during the collection loop will guarantee us that - * another task will not try to collect this file. Also, items - * cannot vanish during the loop because we are holding "sem". + * We just splice'd out the ep->rdllist in ep_collect_ready_items(). + * Items cannot vanish during the loop because we are holding "sem" in + * read. */ - list_for_each(lnk, txlist) { - epi = list_entry(lnk, struct epitem, txlink); + for (eventcnt = 0; !list_empty(txlist) && eventcnt < maxevents;) { + epi = list_first_entry(txlist, struct epitem, rdllink); + prefetch(epi->rdllink.next); /* * Get the ready file event set. We can safely use the file @@ -1434,64 +1368,65 @@ static int ep_send_events(struct eventpoll *ep, struct list_head *txlist, * guarantee that both the file and the item will not vanish. */ revents = epi->ffd.file->f_op->poll(epi->ffd.file, NULL); + revents &= epi->event.events; /* - * Set the return event set for the current file descriptor. - * Note that only the task task was successfully able to link - * the item to its "txlist" will write this field. + * Is the event mask intersect the caller-requested one, + * deliver the event to userspace. Again, we are holding + * "sem" in read, so no operations coming from userspace + * can change the item. */ - epi->revents = revents & epi->event.events; - - if (epi->revents) { - if (__put_user(epi->revents, + if (revents) { + if (__put_user(revents, &events[eventcnt].events) || __put_user(epi->event.data, &events[eventcnt].data)) - return -EFAULT; + goto errxit; if (epi->event.events & EPOLLONESHOT) epi->event.events &= EP_PRIVATE_BITS; eventcnt++; } - } - return eventcnt; -} - - -/* - * Walk through the transfer list we collected with ep_collect_ready_items() - * and, if 1) the item is still "alive" 2) its event set is not empty 3) it's - * not already linked, links it to the ready list. Same as above, we are holding - * "sem" so items cannot vanish underneath our nose. - */ -static void ep_reinject_items(struct eventpoll *ep, struct list_head *txlist) -{ - int ricnt = 0, pwake = 0; - unsigned long flags; - struct epitem *epi; - - write_lock_irqsave(&ep->lock, flags); - - while (!list_empty(txlist)) { - epi = list_entry(txlist->next, struct epitem, txlink); - - /* Unlink the current item from the transfer list */ - ep_list_del(&epi->txlink); /* - * If the item is no more linked to the interest set, we don't - * have to push it inside the ready list because the following - * ep_release_epitem() is going to drop it. Also, if the current - * item is set to have an Edge Triggered behaviour, we don't have - * to push it back either. + * This is tricky. We are holding the "sem" in read, and this + * means that the operations that can change the "linked" status + * of the epoll item (epi->rbn and epi->rdllink), cannot touch + * them. Also, since we are "linked" from a epi->rdllink POV + * (the item is linked to our transmission list we just + * spliced), the ep_poll_callback() cannot touch us either, + * because of the check present in there. Another parallel + * epoll_wait() will not get the same result set, since we + * spliced the ready list before. Note that list_del() still + * shows the item as linked to the test in ep_poll_callback(). */ - if (ep_rb_linked(&epi->rbn) && !(epi->event.events & EPOLLET) && - (epi->revents & epi->event.events) && !ep_is_linked(&epi->rdllink)) { - list_add_tail(&epi->rdllink, &ep->rdllist); - ricnt++; + list_del(&epi->rdllink); + if (!(epi->event.events & EPOLLET) && + (revents & epi->event.events)) + list_add_tail(&epi->rdllink, &injlist); + else { + /* + * Be sure the item is totally detached before re-init + * the list_head. After INIT_LIST_HEAD() is committed, + * the ep_poll_callback() can requeue the item again, + * but we don't care since we are already past it. + */ + smp_mb(); + INIT_LIST_HEAD(&epi->rdllink); } } + error = 0; - if (ricnt) { + errxit: + + /* + * If the re-injection list or the txlist are not empty, re-splice + * them to the ready list and do proper wakeups. + */ + if (!list_empty(&injlist) || !list_empty(txlist)) { + write_lock_irqsave(&ep->lock, flags); + + list_splice(txlist, &ep->rdllist); + list_splice(&injlist, &ep->rdllist); /* * Wake up ( if active ) both the eventpoll wait list and the ->poll() * wait list. @@ -1501,13 +1436,15 @@ static void ep_reinject_items(struct eventpoll *ep, struct list_head *txlist) TASK_INTERRUPTIBLE); if (waitqueue_active(&ep->poll_wait)) pwake++; - } - write_unlock_irqrestore(&ep->lock, flags); + write_unlock_irqrestore(&ep->lock, flags); + } /* We have to call this outside the lock */ if (pwake) ep_poll_safewake(&psw, &ep->poll_wait); + + return eventcnt == 0 ? error: eventcnt; } @@ -1517,7 +1454,8 @@ static void ep_reinject_items(struct eventpoll *ep, struct list_head *txlist) static int ep_events_transfer(struct eventpoll *ep, struct epoll_event __user *events, int maxevents) { - int eventcnt = 0; + int eventcnt; + unsigned long flags; struct list_head txlist; INIT_LIST_HEAD(&txlist); @@ -1528,14 +1466,17 @@ static int ep_events_transfer(struct eventpoll *ep, */ down_read(&ep->sem); - /* Collect/extract ready items */ - if (ep_collect_ready_items(ep, &txlist, maxevents) > 0) { - /* Build result set in userspace */ - eventcnt = ep_send_events(ep, &txlist, events); + /* + * Steal the ready list, and re-init the original one to the + * empty list. + */ + write_lock_irqsave(&ep->lock, flags); + list_splice(&ep->rdllist, &txlist); + INIT_LIST_HEAD(&ep->rdllist); + write_unlock_irqrestore(&ep->lock, flags); - /* Reinject ready items into the ready list */ - ep_reinject_items(ep, &txlist); - } + /* Build result set in userspace */ + eventcnt = ep_send_events(ep, &txlist, events, maxevents); up_read(&ep->sem); @@ -1612,14 +1553,12 @@ retry: return res; } - static int eventpollfs_delete_dentry(struct dentry *dentry) { return 1; } - static struct inode *ep_eventpoll_inode(void) { int error = -ENOMEM; @@ -1647,7 +1586,6 @@ eexit_1: return ERR_PTR(error); } - static int eventpollfs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, struct vfsmount *mnt) diff --git a/fs/exec.c b/fs/exec.c index 3155e915307..1ba85c7fc6a 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -100,6 +100,7 @@ int unregister_binfmt(struct linux_binfmt * fmt) while (*tmp) { if (fmt == *tmp) { *tmp = fmt->next; + fmt->next = NULL; write_unlock(&binfmt_lock); return 0; } @@ -982,33 +983,51 @@ void compute_creds(struct linux_binprm *bprm) task_unlock(current); security_bprm_post_apply_creds(bprm); } - EXPORT_SYMBOL(compute_creds); +/* + * Arguments are '\0' separated strings found at the location bprm->p + * points to; chop off the first by relocating brpm->p to right after + * the first '\0' encountered. + */ void remove_arg_zero(struct linux_binprm *bprm) { if (bprm->argc) { - unsigned long offset; - char * kaddr; - struct page *page; + char ch; - offset = bprm->p % PAGE_SIZE; - goto inside; + do { + unsigned long offset; + unsigned long index; + char *kaddr; + struct page *page; - while (bprm->p++, *(kaddr+offset++)) { - if (offset != PAGE_SIZE) - continue; - offset = 0; - kunmap_atomic(kaddr, KM_USER0); -inside: - page = bprm->page[bprm->p/PAGE_SIZE]; + offset = bprm->p & ~PAGE_MASK; + index = bprm->p >> PAGE_SHIFT; + + page = bprm->page[index]; kaddr = kmap_atomic(page, KM_USER0); - } - kunmap_atomic(kaddr, KM_USER0); + + /* run through page until we reach end or find NUL */ + do { + ch = *(kaddr + offset); + + /* discard that character... */ + bprm->p++; + offset++; + } while (offset < PAGE_SIZE && ch != '\0'); + + kunmap_atomic(kaddr, KM_USER0); + + /* free the old page */ + if (offset == PAGE_SIZE) { + __free_page(page); + bprm->page[index] = NULL; + } + } while (ch != '\0'); + bprm->argc--; } } - EXPORT_SYMBOL(remove_arg_zero); /* diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c index 93e77c3d249..e98f6cd7200 100644 --- a/fs/exportfs/expfs.c +++ b/fs/exportfs/expfs.c @@ -2,7 +2,6 @@ #include <linux/fs.h> #include <linux/file.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/namei.h> struct export_operations export_op_default; diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 1d1e7e30d70..2bf49d7ef84 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -23,7 +23,6 @@ #include "ext2.h" #include <linux/pagemap.h> -#include <linux/smp_lock.h> typedef struct ext2_dir_entry_2 ext2_dirent; diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index e2a0ea50af1..9fd0ec5ba0d 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -133,6 +133,7 @@ extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int); extern void ext2_truncate (struct inode *); extern int ext2_setattr (struct dentry *, struct iattr *); extern void ext2_set_inode_flags(struct inode *inode); +extern void ext2_get_inode_flags(struct ext2_inode_info *); /* ioctl.c */ extern int ext2_ioctl (struct inode *, struct file *, unsigned int, diff --git a/fs/ext2/fsync.c b/fs/ext2/fsync.c index 7806b9e8155..fc66c93fcb5 100644 --- a/fs/ext2/fsync.c +++ b/fs/ext2/fsync.c @@ -23,7 +23,6 @@ */ #include "ext2.h" -#include <linux/smp_lock.h> #include <linux/buffer_head.h> /* for sync_mapping_buffers() */ diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index dd4e14c221e..0079b2cd531 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -1055,6 +1055,25 @@ void ext2_set_inode_flags(struct inode *inode) inode->i_flags |= S_DIRSYNC; } +/* Propagate flags from i_flags to EXT2_I(inode)->i_flags */ +void ext2_get_inode_flags(struct ext2_inode_info *ei) +{ + unsigned int flags = ei->vfs_inode.i_flags; + + ei->i_flags &= ~(EXT2_SYNC_FL|EXT2_APPEND_FL| + EXT2_IMMUTABLE_FL|EXT2_NOATIME_FL|EXT2_DIRSYNC_FL); + if (flags & S_SYNC) + ei->i_flags |= EXT2_SYNC_FL; + if (flags & S_APPEND) + ei->i_flags |= EXT2_APPEND_FL; + if (flags & S_IMMUTABLE) + ei->i_flags |= EXT2_IMMUTABLE_FL; + if (flags & S_NOATIME) + ei->i_flags |= EXT2_NOATIME_FL; + if (flags & S_DIRSYNC) + ei->i_flags |= EXT2_DIRSYNC_FL; +} + void ext2_read_inode (struct inode * inode) { struct ext2_inode_info *ei = EXT2_I(inode); @@ -1079,9 +1098,9 @@ void ext2_read_inode (struct inode * inode) } inode->i_nlink = le16_to_cpu(raw_inode->i_links_count); inode->i_size = le32_to_cpu(raw_inode->i_size); - inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime); - inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->i_ctime); - inode->i_mtime.tv_sec = le32_to_cpu(raw_inode->i_mtime); + inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime); + inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime); + inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime); inode->i_atime.tv_nsec = inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec = 0; ei->i_dtime = le32_to_cpu(raw_inode->i_dtime); /* We now have enough fields to check if the inode was active or not. @@ -1188,6 +1207,7 @@ static int ext2_update_inode(struct inode * inode, int do_sync) if (ei->i_state & EXT2_STATE_NEW) memset(raw_inode, 0, EXT2_SB(sb)->s_inode_size); + ext2_get_inode_flags(ei); raw_inode->i_mode = cpu_to_le16(inode->i_mode); if (!(test_opt(sb, NO_UID32))) { raw_inode->i_uid_low = cpu_to_le16(low_16_bits(uid)); diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c index 4b099d31071..e85c4821823 100644 --- a/fs/ext2/ioctl.c +++ b/fs/ext2/ioctl.c @@ -27,6 +27,7 @@ int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd, switch (cmd) { case EXT2_IOC_GETFLAGS: + ext2_get_inode_flags(ei); flags = ei->i_flags & EXT2_FL_USER_VISIBLE; return put_user(flags, (int __user *) arg); case EXT2_IOC_SETFLAGS: { diff --git a/fs/ext2/xattr_security.c b/fs/ext2/xattr_security.c index a2661279847..eaa23d2d521 100644 --- a/fs/ext2/xattr_security.c +++ b/fs/ext2/xattr_security.c @@ -6,7 +6,6 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext2_fs.h> #include <linux/security.h> #include "xattr.h" diff --git a/fs/ext2/xattr_trusted.c b/fs/ext2/xattr_trusted.c index f28a6a499c9..83ee149f353 100644 --- a/fs/ext2/xattr_trusted.c +++ b/fs/ext2/xattr_trusted.c @@ -9,7 +9,6 @@ #include <linux/string.h> #include <linux/capability.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext2_fs.h> #include "xattr.h" diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c index 665adee99b3..852869840f2 100644 --- a/fs/ext3/dir.c +++ b/fs/ext3/dir.c @@ -25,7 +25,6 @@ #include <linux/jbd.h> #include <linux/ext3_fs.h> #include <linux/buffer_head.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/rbtree.h> diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index a5b150f7e8a..e1bb0317198 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -27,7 +27,6 @@ #include <linux/time.h> #include <linux/ext3_jbd.h> #include <linux/jbd.h> -#include <linux/smp_lock.h> #include <linux/highuid.h> #include <linux/pagemap.h> #include <linux/quotaops.h> @@ -2581,6 +2580,25 @@ void ext3_set_inode_flags(struct inode *inode) inode->i_flags |= S_DIRSYNC; } +/* Propagate flags from i_flags to EXT3_I(inode)->i_flags */ +void ext3_get_inode_flags(struct ext3_inode_info *ei) +{ + unsigned int flags = ei->vfs_inode.i_flags; + + ei->i_flags &= ~(EXT3_SYNC_FL|EXT3_APPEND_FL| + EXT3_IMMUTABLE_FL|EXT3_NOATIME_FL|EXT3_DIRSYNC_FL); + if (flags & S_SYNC) + ei->i_flags |= EXT3_SYNC_FL; + if (flags & S_APPEND) + ei->i_flags |= EXT3_APPEND_FL; + if (flags & S_IMMUTABLE) + ei->i_flags |= EXT3_IMMUTABLE_FL; + if (flags & S_NOATIME) + ei->i_flags |= EXT3_NOATIME_FL; + if (flags & S_DIRSYNC) + ei->i_flags |= EXT3_DIRSYNC_FL; +} + void ext3_read_inode(struct inode * inode) { struct ext3_iloc iloc; @@ -2608,9 +2626,9 @@ void ext3_read_inode(struct inode * inode) } inode->i_nlink = le16_to_cpu(raw_inode->i_links_count); inode->i_size = le32_to_cpu(raw_inode->i_size); - inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime); - inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->i_ctime); - inode->i_mtime.tv_sec = le32_to_cpu(raw_inode->i_mtime); + inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime); + inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime); + inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime); inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec = inode->i_mtime.tv_nsec = 0; ei->i_state = 0; @@ -2736,6 +2754,7 @@ static int ext3_do_update_inode(handle_t *handle, if (ei->i_state & EXT3_STATE_NEW) memset(raw_inode, 0, EXT3_SB(inode->i_sb)->s_inode_size); + ext3_get_inode_flags(ei); raw_inode->i_mode = cpu_to_le16(inode->i_mode); if(!(test_opt(inode->i_sb, NO_UID32))) { raw_inode->i_uid_low = cpu_to_le16(low_16_bits(inode->i_uid)); diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c index 9b8090d94e6..965006dba6b 100644 --- a/fs/ext3/ioctl.c +++ b/fs/ext3/ioctl.c @@ -28,6 +28,7 @@ int ext3_ioctl (struct inode * inode, struct file * filp, unsigned int cmd, switch (cmd) { case EXT3_IOC_GETFLAGS: + ext3_get_inode_flags(ei); flags = ei->i_flags & EXT3_FL_USER_VISIBLE; return put_user(flags, (int __user *) arg); case EXT3_IOC_SETFLAGS: { diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index 49159f13cc1..9bb046df827 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -36,7 +36,6 @@ #include <linux/quotaops.h> #include <linux/buffer_head.h> #include <linux/bio.h> -#include <linux/smp_lock.h> #include "namei.h" #include "xattr.h" @@ -969,6 +968,7 @@ static struct buffer_head * ext3_dx_find_entry(struct dentry *dentry, (block<<EXT3_BLOCK_SIZE_BITS(sb)) +((char *)de - bh->b_data))) { brelse (bh); + *err = ERR_BAD_DX_DIR; goto errout; } *res_dir = de; @@ -1134,9 +1134,9 @@ static struct ext3_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, char *data1 = (*bh)->b_data, *data2; unsigned split; struct ext3_dir_entry_2 *de = NULL, *de2; - int err; + int err = 0; - bh2 = ext3_append (handle, dir, &newblock, error); + bh2 = ext3_append (handle, dir, &newblock, &err); if (!(bh2)) { brelse(*bh); *bh = NULL; @@ -1145,14 +1145,9 @@ static struct ext3_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, BUFFER_TRACE(*bh, "get_write_access"); err = ext3_journal_get_write_access(handle, *bh); - if (err) { - journal_error: - brelse(*bh); - brelse(bh2); - *bh = NULL; - ext3_std_error(dir->i_sb, err); - goto errout; - } + if (err) + goto journal_error; + BUFFER_TRACE(frame->bh, "get_write_access"); err = ext3_journal_get_write_access(handle, frame->bh); if (err) @@ -1195,8 +1190,16 @@ static struct ext3_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, goto journal_error; brelse (bh2); dxtrace(dx_show_index ("frame", frame->entries)); -errout: return de; + +journal_error: + brelse(*bh); + brelse(bh2); + *bh = NULL; + ext3_std_error(dir->i_sb, err); +errout: + *error = err; + return NULL; } #endif diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c index ecf89904c11..2c97e09c6c6 100644 --- a/fs/ext3/resize.c +++ b/fs/ext3/resize.c @@ -11,7 +11,6 @@ #define EXT3FS_DEBUG -#include <linux/smp_lock.h> #include <linux/ext3_jbd.h> #include <linux/errno.h> diff --git a/fs/ext3/xattr_security.c b/fs/ext3/xattr_security.c index b9c40c15647..821efaf2b94 100644 --- a/fs/ext3/xattr_security.c +++ b/fs/ext3/xattr_security.c @@ -6,7 +6,6 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext3_jbd.h> #include <linux/ext3_fs.h> #include <linux/security.h> diff --git a/fs/ext3/xattr_trusted.c b/fs/ext3/xattr_trusted.c index 86d91f1186d..0327497a55c 100644 --- a/fs/ext3/xattr_trusted.c +++ b/fs/ext3/xattr_trusted.c @@ -9,7 +9,6 @@ #include <linux/string.h> #include <linux/capability.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext3_jbd.h> #include <linux/ext3_fs.h> #include "xattr.h" diff --git a/fs/ext3/xattr_user.c b/fs/ext3/xattr_user.c index a85a0a17c4f..1abd8f92c44 100644 --- a/fs/ext3/xattr_user.c +++ b/fs/ext3/xattr_user.c @@ -8,7 +8,6 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext3_jbd.h> #include <linux/ext3_fs.h> #include "xattr.h" diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index da80368b66f..e8ad06e2831 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -25,7 +25,6 @@ #include <linux/jbd2.h> #include <linux/ext4_fs.h> #include <linux/buffer_head.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/rbtree.h> diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 7916b50f9a1..a0f0c04e79b 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -34,7 +34,6 @@ #include <linux/time.h> #include <linux/ext4_jbd2.h> #include <linux/jbd.h> -#include <linux/smp_lock.h> #include <linux/highuid.h> #include <linux/pagemap.h> #include <linux/quotaops.h> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 810b6d6474b..b34182b6ee4 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -27,7 +27,6 @@ #include <linux/time.h> #include <linux/ext4_jbd2.h> #include <linux/jbd2.h> -#include <linux/smp_lock.h> #include <linux/highuid.h> #include <linux/pagemap.h> #include <linux/quotaops.h> @@ -2611,9 +2610,9 @@ void ext4_read_inode(struct inode * inode) } inode->i_nlink = le16_to_cpu(raw_inode->i_links_count); inode->i_size = le32_to_cpu(raw_inode->i_size); - inode->i_atime.tv_sec = le32_to_cpu(raw_inode->i_atime); - inode->i_ctime.tv_sec = le32_to_cpu(raw_inode->i_ctime); - inode->i_mtime.tv_sec = le32_to_cpu(raw_inode->i_mtime); + inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime); + inode->i_ctime.tv_sec = (signed)le32_to_cpu(raw_inode->i_ctime); + inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime); inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec = inode->i_mtime.tv_nsec = 0; ei->i_state = 0; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index e7e1d79a7d7..4ec57be5baf 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -36,7 +36,6 @@ #include <linux/quotaops.h> #include <linux/buffer_head.h> #include <linux/bio.h> -#include <linux/smp_lock.h> #include "namei.h" #include "xattr.h" @@ -967,6 +966,7 @@ static struct buffer_head * ext4_dx_find_entry(struct dentry *dentry, (block<<EXT4_BLOCK_SIZE_BITS(sb)) +((char *)de - bh->b_data))) { brelse (bh); + *err = ERR_BAD_DX_DIR; goto errout; } *res_dir = de; @@ -1132,9 +1132,9 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, char *data1 = (*bh)->b_data, *data2; unsigned split; struct ext4_dir_entry_2 *de = NULL, *de2; - int err; + int err = 0; - bh2 = ext4_append (handle, dir, &newblock, error); + bh2 = ext4_append (handle, dir, &newblock, &err); if (!(bh2)) { brelse(*bh); *bh = NULL; @@ -1143,14 +1143,9 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, BUFFER_TRACE(*bh, "get_write_access"); err = ext4_journal_get_write_access(handle, *bh); - if (err) { - journal_error: - brelse(*bh); - brelse(bh2); - *bh = NULL; - ext4_std_error(dir->i_sb, err); - goto errout; - } + if (err) + goto journal_error; + BUFFER_TRACE(frame->bh, "get_write_access"); err = ext4_journal_get_write_access(handle, frame->bh); if (err) @@ -1193,8 +1188,16 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, goto journal_error; brelse (bh2); dxtrace(dx_show_index ("frame", frame->entries)); -errout: return de; + +journal_error: + brelse(*bh); + brelse(bh2); + *bh = NULL; + ext4_std_error(dir->i_sb, err); +errout: + *error = err; + return NULL; } #endif diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index ea99f6c97f5..aa11d7dbe97 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -11,7 +11,6 @@ #define EXT4FS_DEBUG -#include <linux/smp_lock.h> #include <linux/ext4_jbd2.h> #include <linux/errno.h> diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c index b6a6861951f..f17eaf2321b 100644 --- a/fs/ext4/xattr_security.c +++ b/fs/ext4/xattr_security.c @@ -6,7 +6,6 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext4_jbd2.h> #include <linux/ext4_fs.h> #include <linux/security.h> diff --git a/fs/ext4/xattr_trusted.c b/fs/ext4/xattr_trusted.c index b76f2dbc82d..e0f05acdafe 100644 --- a/fs/ext4/xattr_trusted.c +++ b/fs/ext4/xattr_trusted.c @@ -9,7 +9,6 @@ #include <linux/string.h> #include <linux/capability.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext4_jbd2.h> #include <linux/ext4_fs.h> #include "xattr.h" diff --git a/fs/ext4/xattr_user.c b/fs/ext4/xattr_user.c index c53cded0761..7ed3d8ebf09 100644 --- a/fs/ext4/xattr_user.c +++ b/fs/ext4/xattr_user.c @@ -8,7 +8,6 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/ext4_jbd2.h> #include <linux/ext4_fs.h> #include "xattr.h" diff --git a/fs/fat/dir.c b/fs/fat/dir.c index c16af246d24..ccf161dffb6 100644 --- a/fs/fat/dir.c +++ b/fs/fat/dir.c @@ -422,7 +422,7 @@ EODir: EXPORT_SYMBOL_GPL(fat_search_long); struct fat_ioctl_filldir_callback { - struct dirent __user *dirent; + void __user *dirent; int result; /* for dir ioctl */ const char *longname; @@ -647,62 +647,85 @@ static int fat_readdir(struct file *filp, void *dirent, filldir_t filldir) return __fat_readdir(inode, filp, dirent, filldir, 0, 0); } -static int fat_ioctl_filldir(void *__buf, const char *name, int name_len, - loff_t offset, u64 ino, unsigned int d_type) +#define FAT_IOCTL_FILLDIR_FUNC(func, dirent_type) \ +static int func(void *__buf, const char *name, int name_len, \ + loff_t offset, u64 ino, unsigned int d_type) \ +{ \ + struct fat_ioctl_filldir_callback *buf = __buf; \ + struct dirent_type __user *d1 = buf->dirent; \ + struct dirent_type __user *d2 = d1 + 1; \ + \ + if (buf->result) \ + return -EINVAL; \ + buf->result++; \ + \ + if (name != NULL) { \ + /* dirent has only short name */ \ + if (name_len >= sizeof(d1->d_name)) \ + name_len = sizeof(d1->d_name) - 1; \ + \ + if (put_user(0, d2->d_name) || \ + put_user(0, &d2->d_reclen) || \ + copy_to_user(d1->d_name, name, name_len) || \ + put_user(0, d1->d_name + name_len) || \ + put_user(name_len, &d1->d_reclen)) \ + goto efault; \ + } else { \ + /* dirent has short and long name */ \ + const char *longname = buf->longname; \ + int long_len = buf->long_len; \ + const char *shortname = buf->shortname; \ + int short_len = buf->short_len; \ + \ + if (long_len >= sizeof(d1->d_name)) \ + long_len = sizeof(d1->d_name) - 1; \ + if (short_len >= sizeof(d1->d_name)) \ + short_len = sizeof(d1->d_name) - 1; \ + \ + if (copy_to_user(d2->d_name, longname, long_len) || \ + put_user(0, d2->d_name + long_len) || \ + put_user(long_len, &d2->d_reclen) || \ + put_user(ino, &d2->d_ino) || \ + put_user(offset, &d2->d_off) || \ + copy_to_user(d1->d_name, shortname, short_len) || \ + put_user(0, d1->d_name + short_len) || \ + put_user(short_len, &d1->d_reclen)) \ + goto efault; \ + } \ + return 0; \ +efault: \ + buf->result = -EFAULT; \ + return -EFAULT; \ +} + +FAT_IOCTL_FILLDIR_FUNC(fat_ioctl_filldir, dirent) + +static int fat_ioctl_readdir(struct inode *inode, struct file *filp, + void __user *dirent, filldir_t filldir, + int short_only, int both) { - struct fat_ioctl_filldir_callback *buf = __buf; - struct dirent __user *d1 = buf->dirent; - struct dirent __user *d2 = d1 + 1; - - if (buf->result) - return -EINVAL; - buf->result++; - - if (name != NULL) { - /* dirent has only short name */ - if (name_len >= sizeof(d1->d_name)) - name_len = sizeof(d1->d_name) - 1; - - if (put_user(0, d2->d_name) || - put_user(0, &d2->d_reclen) || - copy_to_user(d1->d_name, name, name_len) || - put_user(0, d1->d_name + name_len) || - put_user(name_len, &d1->d_reclen)) - goto efault; - } else { - /* dirent has short and long name */ - const char *longname = buf->longname; - int long_len = buf->long_len; - const char *shortname = buf->shortname; - int short_len = buf->short_len; - - if (long_len >= sizeof(d1->d_name)) - long_len = sizeof(d1->d_name) - 1; - if (short_len >= sizeof(d1->d_name)) - short_len = sizeof(d1->d_name) - 1; - - if (copy_to_user(d2->d_name, longname, long_len) || - put_user(0, d2->d_name + long_len) || - put_user(long_len, &d2->d_reclen) || - put_user(ino, &d2->d_ino) || - put_user(offset, &d2->d_off) || - copy_to_user(d1->d_name, shortname, short_len) || - put_user(0, d1->d_name + short_len) || - put_user(short_len, &d1->d_reclen)) - goto efault; + struct fat_ioctl_filldir_callback buf; + int ret; + + buf.dirent = dirent; + buf.result = 0; + mutex_lock(&inode->i_mutex); + ret = -ENOENT; + if (!IS_DEADDIR(inode)) { + ret = __fat_readdir(inode, filp, &buf, filldir, + short_only, both); } - return 0; -efault: - buf->result = -EFAULT; - return -EFAULT; + mutex_unlock(&inode->i_mutex); + if (ret >= 0) + ret = buf.result; + return ret; } -static int fat_dir_ioctl(struct inode * inode, struct file * filp, - unsigned int cmd, unsigned long arg) +static int fat_dir_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { - struct fat_ioctl_filldir_callback buf; - struct dirent __user *d1; - int ret, short_only, both; + struct dirent __user *d1 = (struct dirent __user *)arg; + int short_only, both; switch (cmd) { case VFAT_IOCTL_READDIR_SHORT: @@ -717,7 +740,6 @@ static int fat_dir_ioctl(struct inode * inode, struct file * filp, return fat_generic_ioctl(inode, filp, cmd, arg); } - d1 = (struct dirent __user *)arg; if (!access_ok(VERIFY_WRITE, d1, sizeof(struct dirent[2]))) return -EFAULT; /* @@ -728,69 +750,48 @@ static int fat_dir_ioctl(struct inode * inode, struct file * filp, if (put_user(0, &d1->d_reclen)) return -EFAULT; - buf.dirent = d1; - buf.result = 0; - mutex_lock(&inode->i_mutex); - ret = -ENOENT; - if (!IS_DEADDIR(inode)) { - ret = __fat_readdir(inode, filp, &buf, fat_ioctl_filldir, - short_only, both); - } - mutex_unlock(&inode->i_mutex); - if (ret >= 0) - ret = buf.result; - return ret; + return fat_ioctl_readdir(inode, filp, d1, fat_ioctl_filldir, + short_only, both); } #ifdef CONFIG_COMPAT #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2]) #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2]) -static long fat_compat_put_dirent32(struct dirent *d, - struct compat_dirent __user *d32) -{ - if (!access_ok(VERIFY_WRITE, d32, sizeof(struct compat_dirent))) - return -EFAULT; - - __put_user(d->d_ino, &d32->d_ino); - __put_user(d->d_off, &d32->d_off); - __put_user(d->d_reclen, &d32->d_reclen); - if (__copy_to_user(d32->d_name, d->d_name, d->d_reclen)) - return -EFAULT; +FAT_IOCTL_FILLDIR_FUNC(fat_compat_ioctl_filldir, compat_dirent) - return 0; -} - -static long fat_compat_dir_ioctl(struct file *file, unsigned cmd, +static long fat_compat_dir_ioctl(struct file *filp, unsigned cmd, unsigned long arg) { - struct compat_dirent __user *p = compat_ptr(arg); - int ret; - mm_segment_t oldfs = get_fs(); - struct dirent d[2]; + struct inode *inode = filp->f_path.dentry->d_inode; + struct compat_dirent __user *d1 = compat_ptr(arg); + int short_only, both; switch (cmd) { - case VFAT_IOCTL_READDIR_BOTH32: - cmd = VFAT_IOCTL_READDIR_BOTH; - break; case VFAT_IOCTL_READDIR_SHORT32: - cmd = VFAT_IOCTL_READDIR_SHORT; + short_only = 1; + both = 0; + break; + case VFAT_IOCTL_READDIR_BOTH32: + short_only = 0; + both = 1; break; default: return -ENOIOCTLCMD; } - set_fs(KERNEL_DS); - lock_kernel(); - ret = fat_dir_ioctl(file->f_path.dentry->d_inode, file, - cmd, (unsigned long) &d); - unlock_kernel(); - set_fs(oldfs); - if (ret >= 0) { - ret |= fat_compat_put_dirent32(&d[0], p); - ret |= fat_compat_put_dirent32(&d[1], p + 1); - } - return ret; + if (!access_ok(VERIFY_WRITE, d1, sizeof(struct compat_dirent[2]))) + return -EFAULT; + /* + * Yes, we don't need this put_user() absolutely. However old + * code didn't return the right value. So, app use this value, + * in order to check whether it is EOF. + */ + if (put_user(0, &d1->d_reclen)) + return -EFAULT; + + return fat_ioctl_readdir(inode, filp, d1, fat_compat_ioctl_filldir, + short_only, both); } #endif /* CONFIG_COMPAT */ diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 65cb54bde48..2c55e8dce79 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -25,6 +25,7 @@ #include <linux/parser.h> #include <linux/uio.h> #include <linux/writeback.h> +#include <linux/log2.h> #include <asm/unaligned.h> #ifndef CONFIG_FAT_DEFAULT_IOCHARSET @@ -824,6 +825,8 @@ static int fat_show_options(struct seq_file *m, struct vfsmount *mnt) } if (opts->name_check != 'n') seq_printf(m, ",check=%c", opts->name_check); + if (opts->usefree) + seq_puts(m, ",usefree"); if (opts->quiet) seq_puts(m, ",quiet"); if (opts->showexec) @@ -849,7 +852,7 @@ static int fat_show_options(struct seq_file *m, struct vfsmount *mnt) enum { Opt_check_n, Opt_check_r, Opt_check_s, Opt_uid, Opt_gid, - Opt_umask, Opt_dmask, Opt_fmask, Opt_codepage, Opt_nocase, + Opt_umask, Opt_dmask, Opt_fmask, Opt_codepage, Opt_usefree, Opt_nocase, Opt_quiet, Opt_showexec, Opt_debug, Opt_immutable, Opt_dots, Opt_nodots, Opt_charset, Opt_shortname_lower, Opt_shortname_win95, @@ -871,6 +874,7 @@ static match_table_t fat_tokens = { {Opt_dmask, "dmask=%o"}, {Opt_fmask, "fmask=%o"}, {Opt_codepage, "codepage=%u"}, + {Opt_usefree, "usefree"}, {Opt_nocase, "nocase"}, {Opt_quiet, "quiet"}, {Opt_showexec, "showexec"}, @@ -950,7 +954,7 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug, opts->quiet = opts->showexec = opts->sys_immutable = opts->dotsOK = 0; opts->utf8 = opts->unicode_xlate = 0; opts->numtail = 1; - opts->nocase = 0; + opts->usefree = opts->nocase = 0; *debug = 0; if (!options) @@ -978,6 +982,9 @@ static int parse_options(char *options, int is_vfat, int silent, int *debug, case Opt_check_n: opts->name_check = 'n'; break; + case Opt_usefree: + opts->usefree = 1; + break; case Opt_nocase: if (!is_vfat) opts->nocase = 1; @@ -1217,8 +1224,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, } logical_sector_size = le16_to_cpu(get_unaligned((__le16 *)&b->sector_size)); - if (!logical_sector_size - || (logical_sector_size & (logical_sector_size - 1)) + if (!is_power_of_2(logical_sector_size) || (logical_sector_size < 512) || (PAGE_CACHE_SIZE < logical_sector_size)) { if (!silent) @@ -1228,8 +1234,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, goto out_invalid; } sbi->sec_per_clus = b->sec_per_clus; - if (!sbi->sec_per_clus - || (sbi->sec_per_clus & (sbi->sec_per_clus - 1))) { + if (!is_power_of_2(sbi->sec_per_clus)) { if (!silent) printk(KERN_ERR "FAT: bogus sectors per cluster %u\n", sbi->sec_per_clus); @@ -1305,7 +1310,9 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, le32_to_cpu(fsinfo->signature2), sbi->fsinfo_sector); } else { - sbi->free_clusters = le32_to_cpu(fsinfo->free_clusters); + if (sbi->options.usefree) + sbi->free_clusters = + le32_to_cpu(fsinfo->free_clusters); sbi->prev_free = le32_to_cpu(fsinfo->next_cluster); } diff --git a/fs/fifo.c b/fs/fifo.c index 49035b174b4..6e7df725678 100644 --- a/fs/fifo.c +++ b/fs/fifo.c @@ -11,7 +11,6 @@ #include <linux/mm.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/pipe_fs_i.h> diff --git a/fs/file_table.c b/fs/file_table.c index 4c17a18d8c1..d17fd691b83 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -10,7 +10,6 @@ #include <linux/file.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/security.h> #include <linux/eventpoll.h> diff --git a/fs/filesystems.c b/fs/filesystems.c index 7a4f61aa05f..f37f8726283 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -41,11 +41,12 @@ void put_filesystem(struct file_system_type *fs) module_put(fs->owner); } -static struct file_system_type **find_filesystem(const char *name) +static struct file_system_type **find_filesystem(const char *name, unsigned len) { struct file_system_type **p; for (p=&file_systems; *p; p=&(*p)->next) - if (strcmp((*p)->name,name) == 0) + if (strlen((*p)->name) == len && + strncmp((*p)->name, name, len) == 0) break; return p; } @@ -68,11 +69,12 @@ int register_filesystem(struct file_system_type * fs) int res = 0; struct file_system_type ** p; + BUG_ON(strchr(fs->name, '.')); if (fs->next) return -EBUSY; INIT_LIST_HEAD(&fs->fs_supers); write_lock(&file_systems_lock); - p = find_filesystem(fs->name); + p = find_filesystem(fs->name, strlen(fs->name)); if (*p) res = -EBUSY; else @@ -215,19 +217,26 @@ int get_filesystem_list(char * buf) struct file_system_type *get_fs_type(const char *name) { struct file_system_type *fs; + const char *dot = strchr(name, '.'); + unsigned len = dot ? dot - name : strlen(name); read_lock(&file_systems_lock); - fs = *(find_filesystem(name)); + fs = *(find_filesystem(name, len)); if (fs && !try_module_get(fs->owner)) fs = NULL; read_unlock(&file_systems_lock); - if (!fs && (request_module("%s", name) == 0)) { + if (!fs && (request_module("%.*s", len, name) == 0)) { read_lock(&file_systems_lock); - fs = *(find_filesystem(name)); + fs = *(find_filesystem(name, len)); if (fs && !try_module_get(fs->owner)) fs = NULL; read_unlock(&file_systems_lock); } + + if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) { + put_filesystem(fs); + fs = NULL; + } return fs; } diff --git a/fs/freevxfs/vxfs_bmap.c b/fs/freevxfs/vxfs_bmap.c index 2d71128bd8d..f86fd3cacd5 100644 --- a/fs/freevxfs/vxfs_bmap.c +++ b/fs/freevxfs/vxfs_bmap.c @@ -137,7 +137,7 @@ vxfs_bmap_indir(struct inode *ip, long indir, int size, long block) bp = sb_bread(ip->i_sb, indir + (i / VXFS_TYPED_PER_BLOCK(ip->i_sb))); - if (!buffer_mapped(bp)) + if (!bp || !buffer_mapped(bp)) return 0; typ = ((struct vxfs_typed *)bp->b_data) + diff --git a/fs/freevxfs/vxfs_inode.c b/fs/freevxfs/vxfs_inode.c index 098a915fd9a..d1f7c5b5b3c 100644 --- a/fs/freevxfs/vxfs_inode.c +++ b/fs/freevxfs/vxfs_inode.c @@ -99,7 +99,7 @@ vxfs_blkiget(struct super_block *sbp, u_long extent, ino_t ino) offset = ((ino % (sbp->s_blocksize / VXFS_ISIZE)) * VXFS_ISIZE); bp = sb_bread(sbp, block); - if (buffer_mapped(bp)) { + if (bp && buffer_mapped(bp)) { struct vxfs_inode_info *vip; struct vxfs_dinode *dip; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index d8003be56e0..1397018ff47 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -636,6 +636,7 @@ static int fuse_get_sb(struct file_system_type *fs_type, static struct file_system_type fuse_fs_type = { .owner = THIS_MODULE, .name = "fuse", + .fs_flags = FS_HAS_SUBTYPE, .get_sb = fuse_get_sb, .kill_sb = kill_anon_super, }; @@ -652,6 +653,7 @@ static int fuse_get_sb_blk(struct file_system_type *fs_type, static struct file_system_type fuseblk_fs_type = { .owner = THIS_MODULE, .name = "fuseblk", + .fs_flags = FS_HAS_SUBTYPE, .get_sb = fuse_get_sb_blk, .kill_sb = kill_block_super, .fs_flags = FS_REQUIRES_DEV, diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 39c8ae23bd9..7b82657a991 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -163,10 +163,7 @@ static void inode_go_sync(struct gfs2_glock *gl) if (ip) { struct address_space *mapping = ip->i_inode.i_mapping; int error = filemap_fdatawait(mapping); - if (error == -ENOSPC) - set_bit(AS_ENOSPC, &mapping->flags); - else if (error) - set_bit(AS_EIO, &mapping->flags); + mapping_set_error(mapping, error); } clear_bit(GLF_DIRTY, &gl->gl_flags); gfs2_ail_empty_gl(gl); diff --git a/fs/gfs2/locking/nolock/main.c b/fs/gfs2/locking/nolock/main.c index 5cc1dfa7944..0d149c8c493 100644 --- a/fs/gfs2/locking/nolock/main.c +++ b/fs/gfs2/locking/nolock/main.c @@ -13,7 +13,6 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/lm_interface.h> struct nolock_lockspace { diff --git a/fs/gfs2/ops_dentry.c b/fs/gfs2/ops_dentry.c index c6bac6b6942..a6fdc52f554 100644 --- a/fs/gfs2/ops_dentry.c +++ b/fs/gfs2/ops_dentry.c @@ -11,7 +11,6 @@ #include <linux/spinlock.h> #include <linux/completion.h> #include <linux/buffer_head.h> -#include <linux/smp_lock.h> #include <linux/gfs2_ondisk.h> #include <linux/crc32.h> #include <linux/lm_interface.h> diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index 329c4dcdecd..064df880458 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -15,7 +15,6 @@ #include <linux/uio.h> #include <linux/blkdev.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/gfs2_ondisk.h> #include <linux/ext2_fs.h> diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 5fd0ed71f92..8a3a650abc8 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -9,6 +9,7 @@ */ #include <linux/pagemap.h> +#include <linux/log2.h> #include "btree.h" @@ -76,7 +77,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke tree->depth = be16_to_cpu(head->depth); size = tree->node_size; - if (!size || size & (size - 1)) + if (!is_power_of_2(size)) goto fail_page; if (!tree->node_count) goto fail_page; diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c index a9b9e872e29..90ebab753d3 100644 --- a/fs/hfsplus/btree.c +++ b/fs/hfsplus/btree.c @@ -10,6 +10,7 @@ #include <linux/slab.h> #include <linux/pagemap.h> +#include <linux/log2.h> #include "hfsplus_fs.h" #include "hfsplus_raw.h" @@ -69,7 +70,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id) } size = tree->node_size; - if (!size || size & (size - 1)) + if (!is_power_of_2(size)) goto fail_page; if (!tree->node_count) goto fail_page; diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h index 70543b17e4c..06e5930515f 100644 --- a/fs/hostfs/hostfs.h +++ b/fs/hostfs/hostfs.h @@ -55,7 +55,7 @@ extern int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, int *nlink_out, int *uid_out, int *gid_out, unsigned long long *size_out, struct timespec *atime_out, struct timespec *mtime_out, struct timespec *ctime_out, - int *blksize_out, unsigned long long *blocks_out); + int *blksize_out, unsigned long long *blocks_out, int fd); extern int access_file(char *path, int r, int w, int x); extern int open_file(char *path, int r, int w, int append); extern int file_type(const char *path, int *maj, int *min); @@ -71,7 +71,7 @@ extern int lseek_file(int fd, long long offset, int whence); extern int fsync_file(int fd, int datasync); extern int file_create(char *name, int ur, int uw, int ux, int gr, int gw, int gx, int or, int ow, int ox); -extern int set_attr(const char *file, struct hostfs_iattr *attrs); +extern int set_attr(const char *file, struct hostfs_iattr *attrs, int fd); extern int make_symlink(const char *from, const char *to); extern int unlink_file(const char *file); extern int do_mkdir(const char *file, int mode); @@ -87,14 +87,3 @@ extern int do_statfs(char *root, long *bsize_out, long long *blocks_out, long *spare_out); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index fd301a91012..8286491dbf3 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL * * Ported the filesystem routines to 2.5. @@ -31,14 +31,14 @@ struct hostfs_inode_info { static inline struct hostfs_inode_info *HOSTFS_I(struct inode *inode) { - return(list_entry(inode, struct hostfs_inode_info, vfs_inode)); + return list_entry(inode, struct hostfs_inode_info, vfs_inode); } #define FILE_HOSTFS_I(file) HOSTFS_I((file)->f_path.dentry->d_inode) int hostfs_d_delete(struct dentry *dentry) { - return(1); + return 1; } struct dentry_operations hostfs_dentry_ops = { @@ -79,7 +79,7 @@ static int __init hostfs_args(char *options, int *add) } options = ptr; } - return(0); + return 0; } __uml_setup("hostfs=", hostfs_args, @@ -110,7 +110,8 @@ static char *dentry_name(struct dentry *dentry, int extra) root = HOSTFS_I(parent->d_inode)->host_filename; len += strlen(root); name = kmalloc(len + extra + 1, GFP_KERNEL); - if(name == NULL) return(NULL); + if(name == NULL) + return NULL; name[len] = '\0'; parent = dentry; @@ -122,7 +123,7 @@ static char *dentry_name(struct dentry *dentry, int extra) parent = parent->d_parent; } strncpy(name, root, strlen(root)); - return(name); + return name; } static char *inode_name(struct inode *ino, int extra) @@ -130,7 +131,7 @@ static char *inode_name(struct inode *ino, int extra) struct dentry *dentry; dentry = list_entry(ino->i_dentry.next, struct dentry, d_alias); - return(dentry_name(dentry, extra)); + return dentry_name(dentry, extra); } static int read_name(struct inode *ino, char *name) @@ -147,16 +148,16 @@ static int read_name(struct inode *ino, char *name) err = stat_file(name, &i_ino, &i_mode, &i_nlink, &ino->i_uid, &ino->i_gid, &i_size, &ino->i_atime, &ino->i_mtime, - &ino->i_ctime, &i_blksize, &i_blocks); + &ino->i_ctime, &i_blksize, &i_blocks, -1); if(err) - return(err); + return err; ino->i_ino = i_ino; ino->i_mode = i_mode; ino->i_nlink = i_nlink; ino->i_size = i_size; ino->i_blocks = i_blocks; - return(0); + return 0; } static char *follow_link(char *link) @@ -181,11 +182,11 @@ static char *follow_link(char *link) goto out_free; if(*name == '/') - return(name); + return name; end = strrchr(link, '/'); if(end == NULL) - return(name); + return name; *(end + 1) = '\0'; len = strlen(link) + strlen(name) + 1; @@ -199,12 +200,12 @@ static char *follow_link(char *link) sprintf(resolved, "%s%s", link, name); kfree(name); kfree(link); - return(resolved); + return resolved; out_free: kfree(name); out: - return(ERR_PTR(n)); + return ERR_PTR(n); } static int read_inode(struct inode *ino) @@ -234,7 +235,7 @@ static int read_inode(struct inode *ino) err = read_name(ino, name); kfree(name); out: - return(err); + return err; } int hostfs_statfs(struct dentry *dentry, struct kstatfs *sf) @@ -254,14 +255,15 @@ int hostfs_statfs(struct dentry *dentry, struct kstatfs *sf) &sf->f_bsize, &f_blocks, &f_bfree, &f_bavail, &f_files, &f_ffree, &sf->f_fsid, sizeof(sf->f_fsid), &sf->f_namelen, sf->f_spare); - if(err) return(err); + if(err) + return err; sf->f_blocks = f_blocks; sf->f_bfree = f_bfree; sf->f_bavail = f_bavail; sf->f_files = f_files; sf->f_ffree = f_ffree; sf->f_type = HOSTFS_SUPER_MAGIC; - return(0); + return 0; } static struct inode *hostfs_alloc_inode(struct super_block *sb) @@ -270,13 +272,13 @@ static struct inode *hostfs_alloc_inode(struct super_block *sb) hi = kmalloc(sizeof(*hi), GFP_KERNEL); if(hi == NULL) - return(NULL); + return NULL; *hi = ((struct hostfs_inode_info) { .host_filename = NULL, .fd = -1, .mode = 0 }); inode_init_once(&hi->vfs_inode); - return(&hi->vfs_inode); + return &hi->vfs_inode; } static void hostfs_delete_inode(struct inode *inode) @@ -325,10 +327,12 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir) int error, len; name = dentry_name(file->f_path.dentry, 0); - if(name == NULL) return(-ENOMEM); + if(name == NULL) + return -ENOMEM; dir = open_dir(name, &error); kfree(name); - if(dir == NULL) return(-error); + if(dir == NULL) + return -error; next = file->f_pos; while((name = read_dir(dir, &next, &ino, &len)) != NULL){ error = (*filldir)(ent, name, len, file->f_pos, @@ -337,7 +341,7 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir) file->f_pos = next; } close_dir(dir); - return(0); + return 0; } int hostfs_file_open(struct inode *ino, struct file *file) @@ -347,7 +351,7 @@ int hostfs_file_open(struct inode *ino, struct file *file) mode = file->f_mode & (FMODE_READ | FMODE_WRITE); if((mode & HOSTFS_I(ino)->mode) == mode) - return(0); + return 0; /* The file may already have been opened, but with the wrong access, * so this resets things and reopens the file with the new access. @@ -367,14 +371,15 @@ int hostfs_file_open(struct inode *ino, struct file *file) name = dentry_name(file->f_path.dentry, 0); if(name == NULL) - return(-ENOMEM); + return -ENOMEM; fd = open_file(name, r, w, append); kfree(name); - if(fd < 0) return(fd); + if(fd < 0) + return fd; FILE_HOSTFS_I(file)->fd = fd; - return(0); + return 0; } int hostfs_fsync(struct file *file, struct dentry *dentry, int datasync) @@ -458,7 +463,7 @@ int hostfs_readpage(struct file *file, struct page *page) out: kunmap(page); unlock_page(page); - return(err); + return err; } int hostfs_prepare_write(struct file *file, struct page *page, @@ -485,7 +490,7 @@ int hostfs_prepare_write(struct file *file, struct page *page, err = 0; out: kunmap(page); - return(err); + return err; } int hostfs_commit_write(struct file *file, struct page *page, unsigned from, @@ -511,7 +516,7 @@ int hostfs_commit_write(struct file *file, struct page *page, unsigned from, inode->i_size = start; kunmap(page); - return(err); + return err; } static const struct address_space_operations hostfs_aops = { @@ -569,7 +574,7 @@ static int init_inode(struct inode *inode, struct dentry *dentry) break; } out: - return(err); + return err; } int hostfs_create(struct inode *dir, struct dentry *dentry, int mode, @@ -607,16 +612,16 @@ int hostfs_create(struct inode *dir, struct dentry *dentry, int mode, HOSTFS_I(inode)->fd = fd; HOSTFS_I(inode)->mode = FMODE_READ | FMODE_WRITE; d_instantiate(dentry, inode); - return(0); + return 0; out_put: iput(inode); out: - return(error); + return error; } struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry, - struct nameidata *nd) + struct nameidata *nd) { struct inode *inode; char *name; @@ -647,44 +652,45 @@ struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry, d_add(dentry, inode); dentry->d_op = &hostfs_dentry_ops; - return(NULL); + return NULL; out_put: iput(inode); out: - return(ERR_PTR(err)); + return ERR_PTR(err); } static char *inode_dentry_name(struct inode *ino, struct dentry *dentry) { - char *file; + char *file; int len; file = inode_name(ino, dentry->d_name.len + 1); - if(file == NULL) return(NULL); - strcat(file, "/"); + if(file == NULL) + return NULL; + strcat(file, "/"); len = strlen(file); - strncat(file, dentry->d_name.name, dentry->d_name.len); + strncat(file, dentry->d_name.name, dentry->d_name.len); file[len + dentry->d_name.len] = '\0'; - return(file); + return file; } int hostfs_link(struct dentry *to, struct inode *ino, struct dentry *from) { - char *from_name, *to_name; - int err; + char *from_name, *to_name; + int err; - if((from_name = inode_dentry_name(ino, from)) == NULL) - return(-ENOMEM); - to_name = dentry_name(to, 0); + if((from_name = inode_dentry_name(ino, from)) == NULL) + return -ENOMEM; + to_name = dentry_name(to, 0); if(to_name == NULL){ kfree(from_name); - return(-ENOMEM); + return -ENOMEM; } - err = link_file(to_name, from_name); - kfree(from_name); - kfree(to_name); - return(err); + err = link_file(to_name, from_name); + kfree(from_name); + kfree(to_name); + return err; } int hostfs_unlink(struct inode *ino, struct dentry *dentry) @@ -692,13 +698,14 @@ int hostfs_unlink(struct inode *ino, struct dentry *dentry) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; if(append) - return(-EPERM); + return -EPERM; err = unlink_file(file); kfree(file); - return(err); + return err; } int hostfs_symlink(struct inode *ino, struct dentry *dentry, const char *to) @@ -706,10 +713,11 @@ int hostfs_symlink(struct inode *ino, struct dentry *dentry, const char *to) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; err = make_symlink(file, to); kfree(file); - return(err); + return err; } int hostfs_mkdir(struct inode *ino, struct dentry *dentry, int mode) @@ -717,10 +725,11 @@ int hostfs_mkdir(struct inode *ino, struct dentry *dentry, int mode) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; err = do_mkdir(file, mode); kfree(file); - return(err); + return err; } int hostfs_rmdir(struct inode *ino, struct dentry *dentry) @@ -728,10 +737,11 @@ int hostfs_rmdir(struct inode *ino, struct dentry *dentry) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; err = do_rmdir(file); kfree(file); - return(err); + return err; } int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) @@ -764,14 +774,14 @@ int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) goto out_put; d_instantiate(dentry, inode); - return(0); + return 0; out_free: kfree(name); out_put: iput(inode); out: - return(err); + return err; } int hostfs_rename(struct inode *from_ino, struct dentry *from, @@ -781,15 +791,15 @@ int hostfs_rename(struct inode *from_ino, struct dentry *from, int err; if((from_name = inode_dentry_name(from_ino, from)) == NULL) - return(-ENOMEM); + return -ENOMEM; if((to_name = inode_dentry_name(to_ino, to)) == NULL){ kfree(from_name); - return(-ENOMEM); + return -ENOMEM; } err = rename_file(from_name, to_name); kfree(from_name); kfree(to_name); - return(err); + return err; } int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd) @@ -801,7 +811,8 @@ int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd) if (desired & MAY_WRITE) w = 1; if (desired & MAY_EXEC) x = 1; name = inode_name(ino, 0); - if (name == NULL) return(-ENOMEM); + if (name == NULL) + return -ENOMEM; if (S_ISCHR(ino->i_mode) || S_ISBLK(ino->i_mode) || S_ISFIFO(ino->i_mode) || S_ISSOCK(ino->i_mode)) @@ -820,6 +831,8 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr) char *name; int err; + int fd = HOSTFS_I(dentry->d_inode)->fd; + err = inode_change_ok(dentry->d_inode, attr); if (err) return err; @@ -863,20 +876,21 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr) attrs.ia_valid |= HOSTFS_ATTR_MTIME_SET; } name = dentry_name(dentry, 0); - if(name == NULL) return(-ENOMEM); - err = set_attr(name, &attrs); + if(name == NULL) + return -ENOMEM; + err = set_attr(name, &attrs, fd); kfree(name); if(err) - return(err); + return err; - return(inode_setattr(dentry->d_inode, attr)); + return inode_setattr(dentry->d_inode, attr); } int hostfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { generic_fillattr(dentry->d_inode, stat); - return(0); + return 0; } static const struct inode_operations hostfs_iops = { @@ -915,7 +929,8 @@ int hostfs_link_readpage(struct file *file, struct page *page) buffer = kmap(page); name = inode_name(page->mapping->host, 0); - if(name == NULL) return(-ENOMEM); + if(name == NULL) + return -ENOMEM; err = do_readlink(name, buffer, PAGE_CACHE_SIZE); kfree(name); if(err == PAGE_CACHE_SIZE) @@ -928,7 +943,7 @@ int hostfs_link_readpage(struct file *file, struct page *page) } kunmap(page); unlock_page(page); - return(err); + return err; } static const struct address_space_operations hostfs_link_aops = { @@ -978,20 +993,20 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent) err = read_inode(root_inode); if(err){ - /* No iput in this case because the dput does that for us */ - dput(sb->s_root); - sb->s_root = NULL; + /* No iput in this case because the dput does that for us */ + dput(sb->s_root); + sb->s_root = NULL; goto out; - } + } - return(0); + return 0; - out_put: - iput(root_inode); - out_free: +out_put: + iput(root_inode); +out_free: kfree(host_root_path); - out: - return(err); +out: + return err; } static int hostfs_read_sb(struct file_system_type *type, @@ -1011,7 +1026,7 @@ static struct file_system_type hostfs_type = { static int __init init_hostfs(void) { - return(register_filesystem(&hostfs_type)); + return register_filesystem(&hostfs_type); } static void __exit exit_hostfs(void) @@ -1022,14 +1037,3 @@ static void __exit exit_hostfs(void) module_init(init_hostfs) module_exit(exit_hostfs) MODULE_LICENSE("GPL"); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c index 1ed5ea389f1..5625e2481dd 100644 --- a/fs/hostfs/hostfs_user.c +++ b/fs/hostfs/hostfs_user.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ @@ -21,12 +21,16 @@ int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, int *nlink_out, int *uid_out, int *gid_out, unsigned long long *size_out, struct timespec *atime_out, struct timespec *mtime_out, struct timespec *ctime_out, - int *blksize_out, unsigned long long *blocks_out) + int *blksize_out, unsigned long long *blocks_out, int fd) { struct stat64 buf; - if(lstat64(path, &buf) < 0) - return(-errno); + if(fd >= 0) { + if (fstat64(fd, &buf) < 0) + return -errno; + } else if(lstat64(path, &buf) < 0) { + return -errno; + } if(inode_out != NULL) *inode_out = buf.st_ino; if(mode_out != NULL) *mode_out = buf.st_mode; @@ -48,7 +52,7 @@ int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, } if(blksize_out != NULL) *blksize_out = buf.st_blksize; if(blocks_out != NULL) *blocks_out = buf.st_blocks; - return(0); + return 0; } int file_type(const char *path, int *maj, int *min) @@ -56,7 +60,7 @@ int file_type(const char *path, int *maj, int *min) struct stat64 buf; if(lstat64(path, &buf) < 0) - return(-errno); + return -errno; /*We cannot pass rdev as is because glibc and the kernel disagree *about its definition.*/ if(maj != NULL) @@ -64,13 +68,13 @@ int file_type(const char *path, int *maj, int *min) if(min != NULL) *min = minor(buf.st_rdev); - if(S_ISDIR(buf.st_mode)) return(OS_TYPE_DIR); - else if(S_ISLNK(buf.st_mode)) return(OS_TYPE_SYMLINK); - else if(S_ISCHR(buf.st_mode)) return(OS_TYPE_CHARDEV); - else if(S_ISBLK(buf.st_mode)) return(OS_TYPE_BLOCKDEV); - else if(S_ISFIFO(buf.st_mode))return(OS_TYPE_FIFO); - else if(S_ISSOCK(buf.st_mode))return(OS_TYPE_SOCK); - else return(OS_TYPE_FILE); + if(S_ISDIR(buf.st_mode)) return OS_TYPE_DIR; + else if(S_ISLNK(buf.st_mode)) return OS_TYPE_SYMLINK; + else if(S_ISCHR(buf.st_mode)) return OS_TYPE_CHARDEV; + else if(S_ISBLK(buf.st_mode)) return OS_TYPE_BLOCKDEV; + else if(S_ISFIFO(buf.st_mode))return OS_TYPE_FIFO; + else if(S_ISSOCK(buf.st_mode))return OS_TYPE_SOCK; + else return OS_TYPE_FILE; } int access_file(char *path, int r, int w, int x) @@ -80,8 +84,9 @@ int access_file(char *path, int r, int w, int x) if(r) mode = R_OK; if(w) mode |= W_OK; if(x) mode |= X_OK; - if(access(path, mode) != 0) return(-errno); - else return(0); + if(access(path, mode) != 0) + return -errno; + else return 0; } int open_file(char *path, int r, int w, int append) @@ -99,8 +104,9 @@ int open_file(char *path, int r, int w, int append) if(append) mode |= O_APPEND; fd = open64(path, mode); - if(fd < 0) return(-errno); - else return(fd); + if(fd < 0) + return -errno; + else return fd; } void *open_dir(char *path, int *err_out) @@ -109,8 +115,9 @@ void *open_dir(char *path, int *err_out) dir = opendir(path); *err_out = errno; - if(dir == NULL) return(NULL); - return(dir); + if(dir == NULL) + return NULL; + return dir; } char *read_dir(void *stream, unsigned long long *pos, @@ -121,11 +128,12 @@ char *read_dir(void *stream, unsigned long long *pos, seekdir(dir, *pos); ent = readdir(dir); - if(ent == NULL) return(NULL); + if(ent == NULL) + return NULL; *len_out = strlen(ent->d_name); *ino_out = ent->d_ino; *pos = telldir(dir); - return(ent->d_name); + return ent->d_name; } int read_file(int fd, unsigned long long *offset, char *buf, int len) @@ -133,9 +141,10 @@ int read_file(int fd, unsigned long long *offset, char *buf, int len) int n; n = pread64(fd, buf, len, *offset); - if(n < 0) return(-errno); + if(n < 0) + return -errno; *offset += n; - return(n); + return n; } int write_file(int fd, unsigned long long *offset, const char *buf, int len) @@ -143,9 +152,10 @@ int write_file(int fd, unsigned long long *offset, const char *buf, int len) int n; n = pwrite64(fd, buf, len, *offset); - if(n < 0) return(-errno); + if(n < 0) + return -errno; *offset += n; - return(n); + return n; } int lseek_file(int fd, long long offset, int whence) @@ -154,8 +164,8 @@ int lseek_file(int fd, long long offset, int whence) ret = lseek64(fd, offset, whence); if(ret < 0) - return(-errno); - return(0); + return -errno; + return 0; } int fsync_file(int fd, int datasync) @@ -198,65 +208,90 @@ int file_create(char *name, int ur, int uw, int ux, int gr, mode |= ox ? S_IXOTH : 0; fd = open64(name, O_CREAT | O_RDWR, mode); if(fd < 0) - return(-errno); - return(fd); + return -errno; + return fd; } -int set_attr(const char *file, struct hostfs_iattr *attrs) +int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) { - struct utimbuf buf; + struct timeval times[2]; + struct timespec atime_ts, mtime_ts; int err, ma; - if(attrs->ia_valid & HOSTFS_ATTR_MODE){ - if(chmod(file, attrs->ia_mode) != 0) return(-errno); - } - if(attrs->ia_valid & HOSTFS_ATTR_UID){ - if(chown(file, attrs->ia_uid, -1)) return(-errno); + if (attrs->ia_valid & HOSTFS_ATTR_MODE) { + if (fd >= 0) { + if (fchmod(fd, attrs->ia_mode) != 0) + return (-errno); + } else if (chmod(file, attrs->ia_mode) != 0) { + return -errno; + } } - if(attrs->ia_valid & HOSTFS_ATTR_GID){ - if(chown(file, -1, attrs->ia_gid)) return(-errno); + if (attrs->ia_valid & HOSTFS_ATTR_UID) { + if (fd >= 0) { + if (fchown(fd, attrs->ia_uid, -1)) + return -errno; + } else if(chown(file, attrs->ia_uid, -1)) { + return -errno; + } } - if(attrs->ia_valid & HOSTFS_ATTR_SIZE){ - if(truncate(file, attrs->ia_size)) return(-errno); + if (attrs->ia_valid & HOSTFS_ATTR_GID) { + if (fd >= 0) { + if (fchown(fd, -1, attrs->ia_gid)) + return -errno; + } else if (chown(file, -1, attrs->ia_gid)) { + return -errno; + } } - ma = HOSTFS_ATTR_ATIME_SET | HOSTFS_ATTR_MTIME_SET; - if((attrs->ia_valid & ma) == ma){ - buf.actime = attrs->ia_atime.tv_sec; - buf.modtime = attrs->ia_mtime.tv_sec; - if(utime(file, &buf) != 0) return(-errno); + if (attrs->ia_valid & HOSTFS_ATTR_SIZE) { + if (fd >= 0) { + if (ftruncate(fd, attrs->ia_size)) + return -errno; + } else if (truncate(file, attrs->ia_size)) { + return -errno; + } } - else { - struct timespec ts; - - if(attrs->ia_valid & HOSTFS_ATTR_ATIME_SET){ - err = stat_file(file, NULL, NULL, NULL, NULL, NULL, - NULL, NULL, &ts, NULL, NULL, NULL); - if(err != 0) - return(err); - buf.actime = attrs->ia_atime.tv_sec; - buf.modtime = ts.tv_sec; - if(utime(file, &buf) != 0) - return(-errno); + + /* Update accessed and/or modified time, in two parts: first set + * times according to the changes to perform, and then call futimes() + * or utimes() to apply them. */ + ma = (HOSTFS_ATTR_ATIME_SET | HOSTFS_ATTR_MTIME_SET); + if (attrs->ia_valid & ma) { + err = stat_file(file, NULL, NULL, NULL, NULL, NULL, NULL, + &atime_ts, &mtime_ts, NULL, NULL, NULL, fd); + if (err != 0) + return err; + + times[0].tv_sec = atime_ts.tv_sec; + times[0].tv_usec = atime_ts.tv_nsec * 1000; + times[1].tv_sec = mtime_ts.tv_sec; + times[1].tv_usec = mtime_ts.tv_nsec * 1000; + + if (attrs->ia_valid & HOSTFS_ATTR_ATIME_SET) { + times[0].tv_sec = attrs->ia_atime.tv_sec; + times[0].tv_usec = attrs->ia_atime.tv_nsec * 1000; + } + if (attrs->ia_valid & HOSTFS_ATTR_MTIME_SET) { + times[1].tv_sec = attrs->ia_mtime.tv_sec; + times[1].tv_usec = attrs->ia_mtime.tv_nsec * 1000; } - if(attrs->ia_valid & HOSTFS_ATTR_MTIME_SET){ - err = stat_file(file, NULL, NULL, NULL, NULL, NULL, - NULL, &ts, NULL, NULL, NULL, NULL); - if(err != 0) - return(err); - buf.actime = ts.tv_sec; - buf.modtime = attrs->ia_mtime.tv_sec; - if(utime(file, &buf) != 0) - return(-errno); + + if (fd >= 0) { + if (futimes(fd, times) != 0) + return -errno; + } else if (utimes(file, times) != 0) { + return -errno; } } + if(attrs->ia_valid & HOSTFS_ATTR_CTIME) ; if(attrs->ia_valid & (HOSTFS_ATTR_ATIME | HOSTFS_ATTR_MTIME)){ err = stat_file(file, NULL, NULL, NULL, NULL, NULL, NULL, &attrs->ia_atime, &attrs->ia_mtime, NULL, - NULL, NULL); - if(err != 0) return(err); + NULL, NULL, fd); + if(err != 0) + return err; } - return(0); + return 0; } int make_symlink(const char *from, const char *to) @@ -264,8 +299,9 @@ int make_symlink(const char *from, const char *to) int err; err = symlink(to, from); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int unlink_file(const char *file) @@ -273,8 +309,9 @@ int unlink_file(const char *file) int err; err = unlink(file); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_mkdir(const char *file, int mode) @@ -282,8 +319,9 @@ int do_mkdir(const char *file, int mode) int err; err = mkdir(file, mode); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_rmdir(const char *file) @@ -291,8 +329,9 @@ int do_rmdir(const char *file) int err; err = rmdir(file); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor) @@ -300,8 +339,9 @@ int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor) int err; err = mknod(file, mode, makedev(major, minor)); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int link_file(const char *to, const char *from) @@ -309,8 +349,9 @@ int link_file(const char *to, const char *from) int err; err = link(to, from); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_readlink(char *file, char *buf, int size) @@ -319,10 +360,10 @@ int do_readlink(char *file, char *buf, int size) n = readlink(file, buf, size); if(n < 0) - return(-errno); + return -errno; if(n < size) buf[n] = '\0'; - return(n); + return n; } int rename_file(char *from, char *to) @@ -330,8 +371,9 @@ int rename_file(char *from, char *to) int err; err = rename(from, to); - if(err < 0) return(-errno); - return(0); + if(err < 0) + return -errno; + return 0; } int do_statfs(char *root, long *bsize_out, long long *blocks_out, @@ -344,7 +386,9 @@ int do_statfs(char *root, long *bsize_out, long long *blocks_out, int err; err = statfs64(root, &buf); - if(err < 0) return(-errno); + if(err < 0) + return -errno; + *bsize_out = buf.f_bsize; *blocks_out = buf.f_blocks; *bfree_out = buf.f_bfree; @@ -360,16 +404,5 @@ int do_statfs(char *root, long *bsize_out, long long *blocks_out, spare_out[2] = buf.f_spare[2]; spare_out[3] = buf.f_spare[3]; spare_out[4] = buf.f_spare[4]; - return(0); + return 0; } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/fs/inode.c b/fs/inode.c index b4296bf6273..df2ef15d03d 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -250,7 +250,7 @@ void clear_inode(struct inode *inode) BUG_ON(inode->i_state & I_CLEAR); wait_on_inode(inode); DQUOT_DROP(inode); - if (inode->i_sb && inode->i_sb->s_op->clear_inode) + if (inode->i_sb->s_op->clear_inode) inode->i_sb->s_op->clear_inode(inode); if (S_ISBLK(inode->i_mode) && inode->i_bdev) bd_forget(inode); @@ -275,7 +275,7 @@ static void dispose_list(struct list_head *head) while (!list_empty(head)) { struct inode *inode; - inode = list_entry(head->next, struct inode, i_list); + inode = list_first_entry(head, struct inode, i_list); list_del(&inode->i_list); if (inode->i_data.nrpages) @@ -524,7 +524,12 @@ repeat: */ struct inode *new_inode(struct super_block *sb) { - static unsigned long last_ino; + /* + * On a 32bit, non LFS stat() call, glibc will generate an EOVERFLOW + * error if st_ino won't fit in target struct field. Use 32bit counter + * here to attempt to avoid that. + */ + static unsigned int last_ino; struct inode * inode; spin_lock_prefetch(&inode_lock); @@ -683,27 +688,28 @@ static unsigned long hash(struct super_block *sb, unsigned long hashval) */ ino_t iunique(struct super_block *sb, ino_t max_reserved) { - static ino_t counter; + /* + * On a 32bit, non LFS stat() call, glibc will generate an EOVERFLOW + * error if st_ino won't fit in target struct field. Use 32bit counter + * here to attempt to avoid that. + */ + static unsigned int counter; struct inode *inode; - struct hlist_head * head; + struct hlist_head *head; ino_t res; + spin_lock(&inode_lock); -retry: - if (counter > max_reserved) { - head = inode_hashtable + hash(sb,counter); + do { + if (counter <= max_reserved) + counter = max_reserved + 1; res = counter++; + head = inode_hashtable + hash(sb, res); inode = find_inode_fast(sb, head, res); - if (!inode) { - spin_unlock(&inode_lock); - return res; - } - } else { - counter = max_reserved + 1; - } - goto retry; - -} + } while (inode != NULL); + spin_unlock(&inode_lock); + return res; +} EXPORT_SYMBOL(iunique); struct inode *igrab(struct inode *inode) @@ -1040,7 +1046,7 @@ static void generic_forget_inode(struct inode *inode) if (!(inode->i_state & (I_DIRTY|I_LOCK))) list_move(&inode->i_list, &inode_unused); inodes_stat.nr_unused++; - if (!sb || (sb->s_flags & MS_ACTIVE)) { + if (sb->s_flags & MS_ACTIVE) { spin_unlock(&inode_lock); return; } diff --git a/fs/inotify.c b/fs/inotify.c index f5099d86fd9..7457501b956 100644 --- a/fs/inotify.c +++ b/fs/inotify.c @@ -509,7 +509,7 @@ void inotify_destroy(struct inotify_handle *ih) mutex_unlock(&ih->mutex); break; } - watch = list_entry(watches->next, struct inotify_watch, h_list); + watch = list_first_entry(watches, struct inotify_watch, h_list); get_inotify_watch(watch); mutex_unlock(&ih->mutex); diff --git a/fs/internal.h b/fs/internal.h index ea00126c9a5..392e8ccd6fc 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -9,8 +9,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/ioctl32.h> - struct super_block; /* @@ -42,14 +40,6 @@ static inline int sb_is_blkdev_sb(struct super_block *sb) extern void __init chrdev_init(void); /* - * compat_ioctl.c - */ -#ifdef CONFIG_COMPAT -extern struct ioctl_trans ioctl_start[]; -extern int ioctl_table_size; -#endif - -/* * namespace.c */ extern int copy_mount_options(const void __user *, unsigned long *); diff --git a/fs/ioctl.c b/fs/ioctl.c index ff61772ceed..479c1038ed4 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -67,8 +67,6 @@ static int file_ioctl(struct file *filp, unsigned int cmd, return put_user(res, p); } case FIGETBSZ: - if (inode->i_sb == NULL) - return -EBADF; return put_user(inode->i_sb->s_blocksize, p); case FIONREAD: return put_user(i_size_read(inode) - filp->f_pos, p); diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c index be4648bc7a2..1facfaff97c 100644 --- a/fs/jbd/commit.c +++ b/fs/jbd/commit.c @@ -20,7 +20,6 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> /* * Default IO end handler for temporary BJ_IO buffer_heads. diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index 10fff944393..46fe7439fb9 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -28,7 +28,6 @@ #include <linux/jbd.h> #include <linux/errno.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/mm.h> #include <linux/freezer.h> @@ -211,10 +210,16 @@ end_loop: return 0; } -static void journal_start_thread(journal_t *journal) +static int journal_start_thread(journal_t *journal) { - kthread_run(kjournald, journal, "kjournald"); + struct task_struct *t; + + t = kthread_run(kjournald, journal, "kjournald"); + if (IS_ERR(t)) + return PTR_ERR(t); + wait_event(journal->j_wait_done_commit, journal->j_task != 0); + return 0; } static void journal_kill_thread(journal_t *journal) @@ -840,8 +845,7 @@ static int journal_reset(journal_t *journal) /* Add the dynamic fields and write it to disk. */ journal_update_superblock(journal, 1); - journal_start_thread(journal); - return 0; + return journal_start_thread(journal); } /** diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c index d204ab394f3..a68cbb60502 100644 --- a/fs/jbd/revoke.c +++ b/fs/jbd/revoke.c @@ -66,7 +66,6 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/list.h> -#include <linux/smp_lock.h> #include <linux/init.h> #endif diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c index cceaf57e377..f9822fc0785 100644 --- a/fs/jbd/transaction.c +++ b/fs/jbd/transaction.c @@ -23,7 +23,6 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/timer.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/highmem.h> diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 6bd8005e3d3..2856e1100a5 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -20,7 +20,6 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> /* * Default IO end handler for temporary BJ_IO buffer_heads. diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 44fc32bfd7f..78d63b818f0 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -28,7 +28,6 @@ #include <linux/jbd2.h> #include <linux/errno.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/mm.h> #include <linux/freezer.h> @@ -211,10 +210,16 @@ end_loop: return 0; } -static void jbd2_journal_start_thread(journal_t *journal) +static int jbd2_journal_start_thread(journal_t *journal) { - kthread_run(kjournald2, journal, "kjournald2"); + struct task_struct *t; + + t = kthread_run(kjournald2, journal, "kjournald2"); + if (IS_ERR(t)) + return PTR_ERR(t); + wait_event(journal->j_wait_done_commit, journal->j_task != 0); + return 0; } static void journal_kill_thread(journal_t *journal) @@ -840,8 +845,7 @@ static int journal_reset(journal_t *journal) /* Add the dynamic fields and write it to disk. */ jbd2_journal_update_superblock(journal, 1); - jbd2_journal_start_thread(journal); - return 0; + return jbd2_journal_start_thread(journal); } /** diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c index f506646ad0f..1e864dcc49e 100644 --- a/fs/jbd2/revoke.c +++ b/fs/jbd2/revoke.c @@ -66,7 +66,6 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/list.h> -#include <linux/smp_lock.h> #include <linux/init.h> #endif diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 3a8700153cb..e347d8c078b 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -23,7 +23,6 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/timer.h> -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/highmem.h> diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index e285022f006..3467dde27e5 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -55,7 +55,6 @@ void jfs_read_inode(struct inode *inode) inode->i_op = &jfs_file_inode_operations; init_special_inode(inode, inode->i_mode, inode->i_rdev); } - jfs_set_inode_flags(inode); } /* diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c index ed814b1ff4d..fe063af6fd2 100644 --- a/fs/jfs/ioctl.c +++ b/fs/jfs/ioctl.c @@ -59,6 +59,7 @@ int jfs_ioctl(struct inode * inode, struct file * filp, unsigned int cmd, switch (cmd) { case JFS_IOC_GETFLAGS: + jfs_get_inode_flags(jfs_inode); flags = jfs_inode->mode2 & JFS_FL_USER_VISIBLE; flags = jfs_map_ext2(flags, 0); return put_user(flags, (int __user *) arg); @@ -78,6 +79,7 @@ int jfs_ioctl(struct inode * inode, struct file * filp, unsigned int cmd, if (!S_ISDIR(inode->i_mode)) flags &= ~JFS_DIRSYNC_FL; + jfs_get_inode_flags(jfs_inode); oldflags = jfs_inode->mode2; /* diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index aa5124b643b..c465607be99 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -3078,6 +3078,7 @@ static int copy_from_dinode(struct dinode * dip, struct inode *ip) jfs_ip->fileset = le32_to_cpu(dip->di_fileset); jfs_ip->mode2 = le32_to_cpu(dip->di_mode); + jfs_set_inode_flags(ip); ip->i_mode = le32_to_cpu(dip->di_mode) & 0xffff; if (sbi->umask != -1) { @@ -3174,6 +3175,7 @@ static void copy_to_dinode(struct dinode * dip, struct inode *ip) dip->di_gid = cpu_to_le32(ip->i_gid); else dip->di_gid = cpu_to_le32(jfs_ip->saved_gid); + jfs_get_inode_flags(jfs_ip); /* * mode2 is only needed for storing the higher order bits. * Trust i_mode for the lower order ones diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c index 4c67ed97682..ed6574bee51 100644 --- a/fs/jfs/jfs_inode.c +++ b/fs/jfs/jfs_inode.c @@ -45,6 +45,24 @@ void jfs_set_inode_flags(struct inode *inode) inode->i_flags |= S_SYNC; } +void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip) +{ + unsigned int flags = jfs_ip->vfs_inode.i_flags; + + jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_APPEND_FL | JFS_NOATIME_FL | + JFS_DIRSYNC_FL | JFS_SYNC_FL); + if (flags & S_IMMUTABLE) + jfs_ip->mode2 |= JFS_IMMUTABLE_FL; + if (flags & S_APPEND) + jfs_ip->mode2 |= JFS_APPEND_FL; + if (flags & S_NOATIME) + jfs_ip->mode2 |= JFS_NOATIME_FL; + if (flags & S_DIRSYNC) + jfs_ip->mode2 |= JFS_DIRSYNC_FL; + if (flags & S_SYNC) + jfs_ip->mode2 |= JFS_SYNC_FL; +} + /* * NAME: ialloc() * diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h index 6802837f757..2374b595f2e 100644 --- a/fs/jfs/jfs_inode.h +++ b/fs/jfs/jfs_inode.h @@ -31,6 +31,7 @@ extern void jfs_truncate(struct inode *); extern void jfs_truncate_nolock(struct inode *, loff_t); extern void jfs_free_zero_link(struct inode *); extern struct dentry *jfs_get_parent(struct dentry *dentry); +extern void jfs_get_inode_flags(struct jfs_inode_info *); extern void jfs_set_inode_flags(struct inode *); extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int); diff --git a/fs/jfs/jfs_lock.h b/fs/jfs/jfs_lock.h index df48ece4b7a..ecf04882265 100644 --- a/fs/jfs/jfs_lock.h +++ b/fs/jfs/jfs_lock.h @@ -45,7 +45,7 @@ do { \ io_schedule(); \ lock_cmd; \ } \ - current->state = TASK_RUNNING; \ + __set_current_state(TASK_RUNNING); \ remove_wait_queue(&wq, &__wait); \ } while (0) diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 5065baa530b..6a3f00dc8c8 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -62,7 +62,6 @@ #include <linux/fs.h> #include <linux/blkdev.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/completion.h> #include <linux/kthread.h> #include <linux/buffer_head.h> /* for sync_blockdev() */ @@ -1590,7 +1589,7 @@ void jfs_flush_journal(struct jfs_log *log, int wait) set_current_state(TASK_UNINTERRUPTIBLE); LOGGC_UNLOCK(log); schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); LOGGC_LOCK(log); remove_wait_queue(&target->gcwait, &__wait); } @@ -2354,14 +2353,15 @@ int jfsIOWait(void *arg) lbmStartIO(bp); spin_lock_irq(&log_redrive_lock); } - spin_unlock_irq(&log_redrive_lock); if (freezing(current)) { + spin_unlock_irq(&log_redrive_lock); refrigerator(); } else { set_current_state(TASK_INTERRUPTIBLE); + spin_unlock_irq(&log_redrive_lock); schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); } } while (!kthread_should_stop()); diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c index 03893acbfda..25430d0b0d5 100644 --- a/fs/jfs/jfs_txnmgr.c +++ b/fs/jfs/jfs_txnmgr.c @@ -44,7 +44,6 @@ #include <linux/fs.h> #include <linux/vmalloc.h> -#include <linux/smp_lock.h> #include <linux/completion.h> #include <linux/freezer.h> #include <linux/module.h> @@ -136,7 +135,7 @@ static inline void TXN_SLEEP_DROP_LOCK(wait_queue_head_t * event) set_current_state(TASK_UNINTERRUPTIBLE); TXN_UNLOCK(); io_schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(event, &wait); } @@ -2798,7 +2797,7 @@ int jfs_lazycommit(void *arg) set_current_state(TASK_INTERRUPTIBLE); LAZY_UNLOCK(flags); schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&jfs_commit_thread_wait, &wq); } } while (!kthread_should_stop()); @@ -2990,7 +2989,7 @@ int jfs_sync(void *arg) set_current_state(TASK_INTERRUPTIBLE); TXN_UNLOCK(); schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); } } while (!kthread_should_stop()); diff --git a/fs/libfs.c b/fs/libfs.c index d93842d3c0a..1247ee90253 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -220,6 +220,12 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name, root = new_inode(s); if (!root) goto Enomem; + /* + * since this is the first inode, make it number 1. New inodes created + * after this must take care not to collide with it (by passing + * max_reserved of 1 to iunique). + */ + root->i_ino = 1; root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR; root->i_uid = root->i_gid = 0; root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME; @@ -360,6 +366,11 @@ int simple_commit_write(struct file *file, struct page *page, return 0; } +/* + * the inodes created here are not hashed. If you use iunique to generate + * unique inode values later for this filesystem, then you must take care + * to pass it an appropriate max_reserved value to avoid collisions. + */ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files) { struct inode *inode; @@ -376,6 +387,11 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files inode = new_inode(s); if (!inode) return -ENOMEM; + /* + * because the root inode is 1, the files array must not contain an + * entry at index 1 + */ + inode->i_ino = 1; inode->i_mode = S_IFDIR | 0755; inode->i_uid = inode->i_gid = 0; inode->i_blocks = 0; @@ -391,6 +407,13 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files for (i = 0; !files->name || files->name[0]; i++, files++) { if (!files->name) continue; + + /* warn if it tries to conflict with the root inode */ + if (unlikely(i == 1)) + printk(KERN_WARNING "%s: %s passed in a files array" + "with an index of 1!\n", __func__, + s->s_type->name); + dentry = d_alloc_name(root, files->name); if (!dentry) goto out; diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index a5c019e1a44..a10343bed16 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -12,7 +12,6 @@ #include <linux/fs.h> #include <linux/nfs_fs.h> #include <linux/utsname.h> -#include <linux/smp_lock.h> #include <linux/freezer.h> #include <linux/sunrpc/clnt.h> #include <linux/sunrpc/svc.h> diff --git a/fs/mpage.c b/fs/mpage.c index 692a3e578fc..fa2441f57b4 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -663,12 +663,7 @@ confused: /* * The caller has a ref on the inode, so *mapping is stable */ - if (*ret) { - if (*ret == -ENOSPC) - set_bit(AS_ENOSPC, &mapping->flags); - else - set_bit(AS_EIO, &mapping->flags); - } + mapping_set_error(mapping, *ret); out: return bio; } @@ -776,14 +771,7 @@ retry: if (writepage) { ret = (*writepage)(page, wbc); - if (ret) { - if (ret == -ENOSPC) - set_bit(AS_ENOSPC, - &mapping->flags); - else - set_bit(AS_EIO, - &mapping->flags); - } + mapping_set_error(mapping, ret); } else { bio = __mpage_writepage(bio, page, get_block, &last_block_in_bio, &ret, wbc, diff --git a/fs/namei.c b/fs/namei.c index 94b2f60aec2..856b2f5da51 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -22,7 +22,6 @@ #include <linux/quotaops.h> #include <linux/pagemap.h> #include <linux/fsnotify.h> -#include <linux/smp_lock.h> #include <linux/personality.h> #include <linux/security.h> #include <linux/syscalls.h> @@ -1350,17 +1349,6 @@ struct dentry *lookup_one_len_kern(const char *name, struct dentry *base, int le return __lookup_hash_kern(&this, base, NULL); } -/* - * namei() - * - * is used by most simple commands to get the inode of a specified name. - * Open, link etc use their own routines, but this is enough for things - * like 'chmod' etc. - * - * namei exists in two versions: namei/lnamei. The only difference is - * that namei follows links, while lnamei does not. - * SMP-safe - */ int fastcall __user_walk_fd(int dfd, const char __user *name, unsigned flags, struct nameidata *nd) { diff --git a/fs/namespace.c b/fs/namespace.c index fd999cab7b5..b696e3a0d18 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -377,6 +377,10 @@ static int show_vfsmnt(struct seq_file *m, void *v) seq_path(m, mnt, mnt->mnt_root, " \t\n\\"); seq_putc(m, ' '); mangle(m, mnt->mnt_sb->s_type->name); + if (mnt->mnt_sb->s_subtype && mnt->mnt_sb->s_subtype[0]) { + seq_putc(m, '.'); + mangle(m, mnt->mnt_sb->s_subtype); + } seq_puts(m, mnt->mnt_sb->s_flags & MS_RDONLY ? " ro" : " rw"); for (fs_infop = fs_info; fs_infop->flag; fs_infop++) { if (mnt->mnt_sb->s_flags & fs_infop->flag) @@ -495,7 +499,7 @@ void release_mounts(struct list_head *head) { struct vfsmount *mnt; while (!list_empty(head)) { - mnt = list_entry(head->next, struct vfsmount, mnt_hash); + mnt = list_first_entry(head, struct vfsmount, mnt_hash); list_del_init(&mnt->mnt_hash); if (mnt->mnt_parent != mnt) { struct dentry *dentry; @@ -882,6 +886,9 @@ static int do_change_type(struct nameidata *nd, int flag) int recurse = flag & MS_REC; int type = flag & ~MS_REC; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (nd->dentry != nd->mnt->mnt_root) return -EINVAL; @@ -1173,7 +1180,7 @@ static void expire_mount_list(struct list_head *graveyard, struct list_head *mou while (!list_empty(graveyard)) { LIST_HEAD(umounts); - mnt = list_entry(graveyard->next, struct vfsmount, mnt_expire); + mnt = list_first_entry(graveyard, struct vfsmount, mnt_expire); list_del_init(&mnt->mnt_expire); /* don't do anything if the namespace is dead - all the @@ -1441,10 +1448,9 @@ dput_out: * Allocate a new namespace structure and populate it with contents * copied from the namespace of the passed in task structure. */ -struct mnt_namespace *dup_mnt_ns(struct task_struct *tsk, +static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns, struct fs_struct *fs) { - struct mnt_namespace *mnt_ns = tsk->nsproxy->mnt_ns; struct mnt_namespace *new_ns; struct vfsmount *rootmnt = NULL, *pwdmnt = NULL, *altrootmnt = NULL; struct vfsmount *p, *q; @@ -1509,36 +1515,21 @@ struct mnt_namespace *dup_mnt_ns(struct task_struct *tsk, return new_ns; } -int copy_mnt_ns(int flags, struct task_struct *tsk) +struct mnt_namespace *copy_mnt_ns(int flags, struct mnt_namespace *ns, + struct fs_struct *new_fs) { - struct mnt_namespace *ns = tsk->nsproxy->mnt_ns; struct mnt_namespace *new_ns; - int err = 0; - - if (!ns) - return 0; + BUG_ON(!ns); get_mnt_ns(ns); if (!(flags & CLONE_NEWNS)) - return 0; + return ns; - if (!capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto out; - } - - new_ns = dup_mnt_ns(tsk, tsk->fs); - if (!new_ns) { - err = -ENOMEM; - goto out; - } + new_ns = dup_mnt_ns(ns, new_fs); - tsk->nsproxy->mnt_ns = new_ns; - -out: put_mnt_ns(ns); - return err; + return new_ns; } asmlinkage long sys_mount(char __user * dev_name, char __user * dir_name, diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c index 6b1f6d27099..addfd3147ea 100644 --- a/fs/ncpfs/file.c +++ b/fs/ncpfs/file.c @@ -17,7 +17,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/vmalloc.h> -#include <linux/smp_lock.h> #include <linux/ncp_fs.h> #include "ncplib_kernel.h" diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 5bd03b97002..50c6821bad2 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -27,7 +27,6 @@ #include <linux/nfs_mount.h> #include <linux/nfs4_mount.h> #include <linux/lockd/bind.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/mount.h> #include <linux/nfs_idmap.h> diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 889de60f8a8..345aa5c0f38 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -41,7 +41,6 @@ #include <linux/errno.h> #include <linux/sched.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/file.h> #include <linux/pagemap.h> #include <linux/kref.h> diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c index 6ef268f7c30..234778576f0 100644 --- a/fs/nfs/getroot.c +++ b/fs/nfs/getroot.c @@ -25,7 +25,6 @@ #include <linux/nfs_mount.h> #include <linux/nfs4_mount.h> #include <linux/lockd/bind.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/mount.h> #include <linux/nfs_idmap.h> diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 7d0371e2bad..45268d6def2 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -16,7 +16,6 @@ #include <linux/nfs_fs.h> #include <linux/nfs_page.h> #include <linux/lockd/bind.h> -#include <linux/smp_lock.h> #include <linux/nfs_mount.h> #include "iostat.h" diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c index f5f4430fb2a..0505ca12403 100644 --- a/fs/nfs/nfs4renewd.c +++ b/fs/nfs/nfs4renewd.c @@ -43,7 +43,6 @@ * child task framework of the RPC layer? */ -#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/pagemap.h> #include <linux/sunrpc/sched.h> diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c index 1dcf56de948..7be0ee2782c 100644 --- a/fs/nfs/proc.c +++ b/fs/nfs/proc.c @@ -43,7 +43,6 @@ #include <linux/nfs_fs.h> #include <linux/nfs_page.h> #include <linux/lockd/bind.h> -#include <linux/smp_lock.h> #include "internal.h" #define NFSDBG_FACILITY NFSDBG_PROC diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c index bc2821331c2..83e865a16ad 100644 --- a/fs/nfs/symlink.c +++ b/fs/nfs/symlink.c @@ -22,7 +22,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/namei.h> /* Symlink caching in the page cache is even more simplistic diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 5d44b8bd107..de92b9509d9 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -21,7 +21,6 @@ #include <linux/backing-dev.h> #include <asm/uaccess.h> -#include <linux/smp_lock.h> #include "delegation.h" #include "internal.h" @@ -225,7 +224,7 @@ static int nfs_set_page_writeback(struct page *page) struct inode *inode = page->mapping->host; struct nfs_server *nfss = NFS_SERVER(inode); - if (atomic_inc_return(&nfss->writeback) > + if (atomic_long_inc_return(&nfss->writeback) > NFS_CONGESTION_ON_THRESH) set_bdi_congested(&nfss->backing_dev_info, WRITE); } @@ -238,7 +237,7 @@ static void nfs_end_page_writeback(struct page *page) struct nfs_server *nfss = NFS_SERVER(inode); end_page_writeback(page); - if (atomic_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) { + if (atomic_long_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) { clear_bdi_congested(&nfss->backing_dev_info, WRITE); congestion_end(WRITE); } diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index e4a83d727af..45aa21ce678 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -46,7 +46,6 @@ #include <linux/nfs4.h> #include <linux/nfs_fs.h> #include <linux/nfs_page.h> -#include <linux/smp_lock.h> #include <linux/sunrpc/cache.h> #include <linux/nfsd_idmap.h> #include <linux/list.h> diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 5d090f11f2b..15809dfd88a 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -44,7 +44,6 @@ #include <linux/param.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/namei.h> #include <linux/vfs.h> diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c index 8d995bcef80..739dd3c5c3b 100644 --- a/fs/nfsd/nfsfh.c +++ b/fs/nfsd/nfsfh.c @@ -10,7 +10,6 @@ */ #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/unistd.h> #include <linux/string.h> diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c index 74f99a6a369..34314b33dbd 100644 --- a/fs/ntfs/dir.c +++ b/fs/ntfs/dir.c @@ -20,7 +20,6 @@ * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include "dir.h" diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index dbbac559310..621de369e6f 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -2129,28 +2129,13 @@ static ssize_t ntfs_file_aio_write_nolock(struct kiocb *iocb, struct address_space *mapping = file->f_mapping; struct inode *inode = mapping->host; loff_t pos; - unsigned long seg; size_t count; /* after file limit checks */ ssize_t written, err; count = 0; - for (seg = 0; seg < nr_segs; seg++) { - const struct iovec *iv = &iov[seg]; - /* - * If any segment has a negative length, or the cumulative - * length ever wraps negative then return -EINVAL. - */ - count += iv->iov_len; - if (unlikely((ssize_t)(count|iv->iov_len) < 0)) - return -EINVAL; - if (access_ok(VERIFY_READ, iv->iov_base, iv->iov_len)) - continue; - if (!seg) - return -EFAULT; - nr_segs = seg; - count -= iv->iov_len; /* This segment is no good */ - break; - } + err = generic_segment_checks(iov, &nr_segs, &count, VERIFY_READ); + if (err) + return err; pos = *ppos; vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE); /* We can write back this queue in page reclaim. */ diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index f8bf8da67ee..074791ce4ab 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -27,7 +27,6 @@ #include <linux/pagemap.h> #include <linux/quotaops.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include "aops.h" #include "attrib.h" diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c index d4e46d067ed..5671cf9d638 100644 --- a/fs/ocfs2/dlm/dlmfs.c +++ b/fs/ocfs2/dlm/dlmfs.c @@ -42,7 +42,6 @@ #include <linux/highmem.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <asm/uaccess.h> diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 024777abc8e..d1bd305ef0d 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -27,7 +27,6 @@ #include <linux/slab.h> #include <linux/highmem.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/crc32.h> #include <linux/kthread.h> #include <linux/pagemap.h> diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index bc844bfe607..c53a6763bbb 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -28,7 +28,6 @@ #include <linux/slab.h> #include <linux/highmem.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <asm/byteorder.h> diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c index d921a28329d..d8b79067dc1 100644 --- a/fs/ocfs2/slot_map.c +++ b/fs/ocfs2/slot_map.c @@ -26,7 +26,6 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/highmem.h> -#include <linux/smp_lock.h> #define MLOG_MASK_PREFIX ML_SUPER #include <cluster/masklog.h> diff --git a/fs/ocfs2/vote.c b/fs/ocfs2/vote.c index 4f82a2f0efe..66a13ee63d4 100644 --- a/fs/ocfs2/vote.c +++ b/fs/ocfs2/vote.c @@ -26,7 +26,6 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/highmem.h> -#include <linux/smp_lock.h> #include <linux/kthread.h> #include <cluster/heartbeat.h> diff --git a/fs/open.c b/fs/open.c index c989fb4cf7b..ca9981c4a65 100644 --- a/fs/open.c +++ b/fs/open.c @@ -7,7 +7,6 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/file.h> -#include <linux/smp_lock.h> #include <linux/quotaops.h> #include <linux/fsnotify.h> #include <linux/module.h> diff --git a/fs/partitions/Kconfig b/fs/partitions/Kconfig index 6e8bb66fe61..01207042048 100644 --- a/fs/partitions/Kconfig +++ b/fs/partitions/Kconfig @@ -236,3 +236,12 @@ config EFI_PARTITION help Say Y here if you would like to use hard disks under Linux which were partitioned using EFI GPT. + +config SYSV68_PARTITION + bool "SYSV68 partition table support" if PARTITION_ADVANCED + default y if M68K + help + Say Y here if you would like to be able to read the hard disk + partition table format used by Motorola Delta machines (using + sysv68). + Otherwise, say N. diff --git a/fs/partitions/Makefile b/fs/partitions/Makefile index 67e665fdb7f..03af8eac51d 100644 --- a/fs/partitions/Makefile +++ b/fs/partitions/Makefile @@ -17,3 +17,4 @@ obj-$(CONFIG_ULTRIX_PARTITION) += ultrix.o obj-$(CONFIG_IBM_PARTITION) += ibm.o obj-$(CONFIG_EFI_PARTITION) += efi.o obj-$(CONFIG_KARMA_PARTITION) += karma.o +obj-$(CONFIG_SYSV68_PARTITION) += sysv68.o diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 6b9dae3f0e6..9a3a058f355 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -34,6 +34,7 @@ #include "ultrix.h" #include "efi.h" #include "karma.h" +#include "sysv68.h" #ifdef CONFIG_BLK_DEV_MD extern void md_autodetect_dev(dev_t dev); @@ -105,6 +106,9 @@ static int (*check_part[])(struct parsed_partitions *, struct block_device *) = #ifdef CONFIG_KARMA_PARTITION karma_partition, #endif +#ifdef CONFIG_SYSV68_PARTITION + sysv68_partition, +#endif NULL }; diff --git a/fs/partitions/sysv68.c b/fs/partitions/sysv68.c new file mode 100644 index 00000000000..4eba27b7864 --- /dev/null +++ b/fs/partitions/sysv68.c @@ -0,0 +1,92 @@ +/* + * fs/partitions/sysv68.c + * + * Copyright (C) 2007 Philippe De Muyter <phdm@macqel.be> + */ + +#include "check.h" +#include "sysv68.h" + +/* + * Volume ID structure: on first 256-bytes sector of disk + */ + +struct volumeid { + u8 vid_unused[248]; + u8 vid_mac[8]; /* ASCII string "MOTOROLA" */ +}; + +/* + * config block: second 256-bytes sector on disk + */ + +struct dkconfig { + u8 ios_unused0[128]; + __be32 ios_slcblk; /* Slice table block number */ + __be16 ios_slccnt; /* Number of entries in slice table */ + u8 ios_unused1[122]; +}; + +/* + * combined volumeid and dkconfig block + */ + +struct dkblk0 { + struct volumeid dk_vid; + struct dkconfig dk_ios; +}; + +/* + * Slice Table Structure + */ + +struct slice { + __be32 nblocks; /* slice size (in blocks) */ + __be32 blkoff; /* block offset of slice */ +}; + + +int sysv68_partition(struct parsed_partitions *state, struct block_device *bdev) +{ + int i, slices; + int slot = 1; + Sector sect; + unsigned char *data; + struct dkblk0 *b; + struct slice *slice; + + data = read_dev_sector(bdev, 0, §); + if (!data) + return -1; + + b = (struct dkblk0 *)data; + if (memcmp(b->dk_vid.vid_mac, "MOTOROLA", sizeof(b->dk_vid.vid_mac))) { + put_dev_sector(sect); + return 0; + } + slices = be16_to_cpu(b->dk_ios.ios_slccnt); + i = be32_to_cpu(b->dk_ios.ios_slcblk); + put_dev_sector(sect); + + data = read_dev_sector(bdev, i, §); + if (!data) + return -1; + + slices -= 1; /* last slice is the whole disk */ + printk("sysV68: %s(s%u)", state->name, slices); + slice = (struct slice *)data; + for (i = 0; i < slices; i++, slice++) { + if (slot == state->limit) + break; + if (be32_to_cpu(slice->nblocks)) { + put_partition(state, slot, + be32_to_cpu(slice->blkoff), + be32_to_cpu(slice->nblocks)); + printk("(s%u)", i); + } + slot++; + } + printk("\n"); + put_dev_sector(sect); + return 1; +} diff --git a/fs/partitions/sysv68.h b/fs/partitions/sysv68.h new file mode 100644 index 00000000000..fa733f68431 --- /dev/null +++ b/fs/partitions/sysv68.h @@ -0,0 +1 @@ +extern int sysv68_partition(struct parsed_partitions *state, struct block_device *bdev); diff --git a/fs/pipe.c b/fs/pipe.c index ebafde7d6ab..3a89592bdf5 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -841,8 +841,18 @@ static int pipefs_delete_dentry(struct dentry *dentry) return 0; } +/* + * pipefs_dname() is called from d_path(). + */ +static char *pipefs_dname(struct dentry *dentry, char *buffer, int buflen) +{ + return dynamic_dname(dentry, buffer, buflen, "pipe:[%lu]", + dentry->d_inode->i_ino); +} + static struct dentry_operations pipefs_dentry_operations = { .d_delete = pipefs_delete_dentry, + .d_dname = pipefs_dname, }; static struct inode * get_pipe_inode(void) @@ -888,8 +898,7 @@ struct file *create_write_pipe(void) struct inode *inode; struct file *f; struct dentry *dentry; - char name[32]; - struct qstr this; + struct qstr name = { .name = "" }; f = get_empty_filp(); if (!f) @@ -899,11 +908,8 @@ struct file *create_write_pipe(void) if (!inode) goto err_file; - this.len = sprintf(name, "[%lu]", inode->i_ino); - this.name = name; - this.hash = 0; err = -ENOMEM; - dentry = d_alloc(pipe_mnt->mnt_sb->s_root, &this); + dentry = d_alloc(pipe_mnt->mnt_sb->s_root, &name); if (!dentry) goto err_inode; diff --git a/fs/pnode.c b/fs/pnode.c index 56aacead836..89940f243fc 100644 --- a/fs/pnode.c +++ b/fs/pnode.c @@ -59,7 +59,7 @@ static int do_make_slave(struct vfsmount *mnt) } else { struct list_head *p = &mnt->mnt_slave_list; while (!list_empty(p)) { - slave_mnt = list_entry(p->next, + slave_mnt = list_first_entry(p, struct vfsmount, mnt_slave); list_del_init(&slave_mnt->mnt_slave); slave_mnt->mnt_master = NULL; diff --git a/fs/proc/array.c b/fs/proc/array.c index 07c9cdbcdca..74f30e0c038 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -410,9 +410,9 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole) /* convert nsec -> ticks */ start_time = nsec_to_clock_t(start_time); - res = sprintf(buffer,"%d (%s) %c %d %d %d %d %d %lu %lu \ + res = sprintf(buffer,"%d (%s) %c %d %d %d %d %d %u %lu \ %lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \ -%lu %lu %lu %lu %lu %lu %lu %lu %d %d %lu %lu %llu\n", +%lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu\n", task->pid, tcomm, state, diff --git a/fs/proc/base.c b/fs/proc/base.c index ec158dd02b3..3c41149dea8 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -61,9 +61,9 @@ #include <linux/namei.h> #include <linux/mnt_namespace.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/rcupdate.h> #include <linux/kallsyms.h> +#include <linux/module.h> #include <linux/mount.h> #include <linux/security.h> #include <linux/ptrace.h> @@ -90,8 +90,8 @@ #define PROC_NUMBUF 13 struct pid_entry { - int len; char *name; + int len; mode_t mode; const struct inode_operations *iop; const struct file_operations *fop; @@ -99,8 +99,8 @@ struct pid_entry { }; #define NOD(NAME, MODE, IOP, FOP, OP) { \ - .len = sizeof(NAME) - 1, \ .name = (NAME), \ + .len = sizeof(NAME) - 1, \ .mode = MODE, \ .iop = IOP, \ .fop = FOP, \ @@ -123,6 +123,9 @@ struct pid_entry { NULL, &proc_info_file_operations, \ { .proc_read = &proc_##OTYPE } ) +int maps_protect; +EXPORT_SYMBOL(maps_protect); + static struct fs_struct *get_fs_struct(struct task_struct *task) { struct fs_struct *fs; @@ -275,17 +278,15 @@ static int proc_pid_auxv(struct task_struct *task, char *buffer) */ static int proc_pid_wchan(struct task_struct *task, char *buffer) { - char *modname; - const char *sym_name; - unsigned long wchan, size, offset; - char namebuf[KSYM_NAME_LEN+1]; + unsigned long wchan; + char symname[KSYM_NAME_LEN+1]; wchan = get_wchan(task); - sym_name = kallsyms_lookup(wchan, &size, &offset, &modname, namebuf); - if (sym_name) - return sprintf(buffer, "%s", sym_name); - return sprintf(buffer, "%lu", wchan); + if (lookup_symbol_name(wchan, symname) < 0) + return sprintf(buffer, "%lu", wchan); + else + return sprintf(buffer, "%s", symname); } #endif /* CONFIG_KALLSYMS */ @@ -310,7 +311,9 @@ static int proc_oom_score(struct task_struct *task, char *buffer) struct timespec uptime; do_posix_clock_monotonic_gettime(&uptime); + read_lock(&tasklist_lock); points = badness(task, uptime.tv_sec); + read_unlock(&tasklist_lock); return sprintf(buffer, "%lu\n", points); } @@ -344,11 +347,8 @@ static int proc_setattr(struct dentry *dentry, struct iattr *attr) return -EPERM; error = inode_change_ok(inode, attr); - if (!error) { - error = security_inode_setattr(dentry, attr); - if (!error) - error = inode_setattr(inode, attr); - } + if (!error) + error = inode_setattr(inode, attr); return error; } @@ -660,7 +660,6 @@ static ssize_t oom_adjust_read(struct file *file, char __user *buf, char buffer[PROC_NUMBUF]; size_t len; int oom_adjust; - loff_t __ppos = *ppos; if (!task) return -ESRCH; @@ -668,14 +667,8 @@ static ssize_t oom_adjust_read(struct file *file, char __user *buf, put_task_struct(task); len = snprintf(buffer, sizeof(buffer), "%i\n", oom_adjust); - if (__ppos >= len) - return 0; - if (count > len-__ppos) - count = len-__ppos; - if (copy_to_user(buf, buffer + __ppos, count)) - return -EFAULT; - *ppos = __ppos + count; - return count; + + return simple_read_from_buffer(buf, count, ppos, buffer, len); } static ssize_t oom_adjust_write(struct file *file, const char __user *buf, @@ -823,7 +816,6 @@ static ssize_t seccomp_read(struct file *file, char __user *buf, { struct task_struct *tsk = get_proc_task(file->f_dentry->d_inode); char __buf[20]; - loff_t __ppos = *ppos; size_t len; if (!tsk) @@ -831,14 +823,8 @@ static ssize_t seccomp_read(struct file *file, char __user *buf, /* no need to print the trailing zero, so use only len */ len = sprintf(__buf, "%u\n", tsk->seccomp.mode); put_task_struct(tsk); - if (__ppos >= len) - return 0; - if (count > len - __ppos) - count = len - __ppos; - if (copy_to_user(buf, __buf + __ppos, count)) - return -EFAULT; - *ppos = __ppos + count; - return count; + + return simple_read_from_buffer(buf, count, ppos, __buf, len); } static ssize_t seccomp_write(struct file *file, const char __user *buf, @@ -897,7 +883,6 @@ static ssize_t proc_fault_inject_read(struct file * file, char __user * buf, char buffer[PROC_NUMBUF]; size_t len; int make_it_fail; - loff_t __ppos = *ppos; if (!task) return -ESRCH; @@ -905,14 +890,8 @@ static ssize_t proc_fault_inject_read(struct file * file, char __user * buf, put_task_struct(task); len = snprintf(buffer, sizeof(buffer), "%i\n", make_it_fail); - if (__ppos >= len) - return 0; - if (count > len-__ppos) - count = len-__ppos; - if (copy_to_user(buf, buffer + __ppos, count)) - return -EFAULT; - *ppos = __ppos + count; - return count; + + return simple_read_from_buffer(buf, count, ppos, buffer, len); } static ssize_t proc_fault_inject_write(struct file * file, @@ -975,7 +954,7 @@ static int do_proc_readlink(struct dentry *dentry, struct vfsmount *mnt, if (!tmp) return -ENOMEM; - + inode = dentry->d_inode; path = d_path(dentry, mnt, tmp, PAGE_SIZE); len = PTR_ERR(path); @@ -1155,7 +1134,8 @@ static struct dentry_operations pid_dentry_operations = /* Lookups */ -typedef struct dentry *instantiate_t(struct inode *, struct dentry *, struct task_struct *, void *); +typedef struct dentry *instantiate_t(struct inode *, struct dentry *, + struct task_struct *, const void *); /* * Fill a directory entry. @@ -1171,7 +1151,7 @@ typedef struct dentry *instantiate_t(struct inode *, struct dentry *, struct tas */ static int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir, char *name, int len, - instantiate_t instantiate, struct task_struct *task, void *ptr) + instantiate_t instantiate, struct task_struct *task, const void *ptr) { struct dentry *child, *dir = filp->f_path.dentry; struct inode *inode; @@ -1233,7 +1213,10 @@ out: return ~0U; } -static int proc_fd_link(struct inode *inode, struct dentry **dentry, struct vfsmount **mnt) +#define PROC_FDINFO_MAX 64 + +static int proc_fd_info(struct inode *inode, struct dentry **dentry, + struct vfsmount **mnt, char *info) { struct task_struct *task = get_proc_task(inode); struct files_struct *files = NULL; @@ -1252,8 +1235,16 @@ static int proc_fd_link(struct inode *inode, struct dentry **dentry, struct vfsm spin_lock(&files->file_lock); file = fcheck_files(files, fd); if (file) { - *mnt = mntget(file->f_path.mnt); - *dentry = dget(file->f_path.dentry); + if (mnt) + *mnt = mntget(file->f_path.mnt); + if (dentry) + *dentry = dget(file->f_path.dentry); + if (info) + snprintf(info, PROC_FDINFO_MAX, + "pos:\t%lli\n" + "flags:\t0%o\n", + (long long) file->f_pos, + file->f_flags); spin_unlock(&files->file_lock); put_files_struct(files); return 0; @@ -1264,6 +1255,12 @@ static int proc_fd_link(struct inode *inode, struct dentry **dentry, struct vfsm return -ENOENT; } +static int proc_fd_link(struct inode *inode, struct dentry **dentry, + struct vfsmount **mnt) +{ + return proc_fd_info(inode, dentry, mnt, NULL); +} + static int tid_fd_revalidate(struct dentry *dentry, struct nameidata *nd) { struct inode *inode = dentry->d_inode; @@ -1306,9 +1303,9 @@ static struct dentry_operations tid_fd_dentry_operations = }; static struct dentry *proc_fd_instantiate(struct inode *dir, - struct dentry *dentry, struct task_struct *task, void *ptr) + struct dentry *dentry, struct task_struct *task, const void *ptr) { - unsigned fd = *(unsigned *)ptr; + unsigned fd = *(const unsigned *)ptr; struct file *file; struct files_struct *files; struct inode *inode; @@ -1359,7 +1356,9 @@ out_iput: goto out; } -static struct dentry *proc_lookupfd(struct inode * dir, struct dentry * dentry, struct nameidata *nd) +static struct dentry *proc_lookupfd_common(struct inode *dir, + struct dentry *dentry, + instantiate_t instantiate) { struct task_struct *task = get_proc_task(dir); unsigned fd = name_to_int(dentry); @@ -1370,23 +1369,15 @@ static struct dentry *proc_lookupfd(struct inode * dir, struct dentry * dentry, if (fd == ~0U) goto out; - result = proc_fd_instantiate(dir, dentry, task, &fd); + result = instantiate(dir, dentry, task, &fd); out: put_task_struct(task); out_no_task: return result; } -static int proc_fd_fill_cache(struct file *filp, void *dirent, filldir_t filldir, - struct task_struct *task, int fd) -{ - char name[PROC_NUMBUF]; - int len = snprintf(name, sizeof(name), "%d", fd); - return proc_fill_cache(filp, dirent, filldir, name, len, - proc_fd_instantiate, task, &fd); -} - -static int proc_readfd(struct file * filp, void * dirent, filldir_t filldir) +static int proc_readfd_common(struct file * filp, void * dirent, + filldir_t filldir, instantiate_t instantiate) { struct dentry *dentry = filp->f_path.dentry; struct inode *inode = dentry->d_inode; @@ -1422,12 +1413,17 @@ static int proc_readfd(struct file * filp, void * dirent, filldir_t filldir) for (fd = filp->f_pos-2; fd < fdt->max_fds; fd++, filp->f_pos++) { + char name[PROC_NUMBUF]; + int len; if (!fcheck_files(files, fd)) continue; rcu_read_unlock(); - if (proc_fd_fill_cache(filp, dirent, filldir, p, fd) < 0) { + len = snprintf(name, sizeof(name), "%d", fd); + if (proc_fill_cache(filp, dirent, filldir, + name, len, instantiate, + p, &fd) < 0) { rcu_read_lock(); break; } @@ -1442,23 +1438,119 @@ out_no_task: return retval; } +static struct dentry *proc_lookupfd(struct inode *dir, struct dentry *dentry, + struct nameidata *nd) +{ + return proc_lookupfd_common(dir, dentry, proc_fd_instantiate); +} + +static int proc_readfd(struct file *filp, void *dirent, filldir_t filldir) +{ + return proc_readfd_common(filp, dirent, filldir, proc_fd_instantiate); +} + +static ssize_t proc_fdinfo_read(struct file *file, char __user *buf, + size_t len, loff_t *ppos) +{ + char tmp[PROC_FDINFO_MAX]; + int err = proc_fd_info(file->f_path.dentry->d_inode, NULL, NULL, tmp); + if (!err) + err = simple_read_from_buffer(buf, len, ppos, tmp, strlen(tmp)); + return err; +} + +static const struct file_operations proc_fdinfo_file_operations = { + .open = nonseekable_open, + .read = proc_fdinfo_read, +}; + static const struct file_operations proc_fd_operations = { .read = generic_read_dir, .readdir = proc_readfd, }; /* + * /proc/pid/fd needs a special permission handler so that a process can still + * access /proc/self/fd after it has executed a setuid(). + */ +static int proc_fd_permission(struct inode *inode, int mask, + struct nameidata *nd) +{ + int rv; + + rv = generic_permission(inode, mask, NULL); + if (rv == 0) + return 0; + if (task_pid(current) == proc_pid(inode)) + rv = 0; + return rv; +} + +/* * proc directories can do almost nothing.. */ static const struct inode_operations proc_fd_inode_operations = { .lookup = proc_lookupfd, + .permission = proc_fd_permission, .setattr = proc_setattr, }; +static struct dentry *proc_fdinfo_instantiate(struct inode *dir, + struct dentry *dentry, struct task_struct *task, const void *ptr) +{ + unsigned fd = *(unsigned *)ptr; + struct inode *inode; + struct proc_inode *ei; + struct dentry *error = ERR_PTR(-ENOENT); + + inode = proc_pid_make_inode(dir->i_sb, task); + if (!inode) + goto out; + ei = PROC_I(inode); + ei->fd = fd; + inode->i_mode = S_IFREG | S_IRUSR; + inode->i_fop = &proc_fdinfo_file_operations; + dentry->d_op = &tid_fd_dentry_operations; + d_add(dentry, inode); + /* Close the race of the process dying before we return the dentry */ + if (tid_fd_revalidate(dentry, NULL)) + error = NULL; + + out: + return error; +} + +static struct dentry *proc_lookupfdinfo(struct inode *dir, + struct dentry *dentry, + struct nameidata *nd) +{ + return proc_lookupfd_common(dir, dentry, proc_fdinfo_instantiate); +} + +static int proc_readfdinfo(struct file *filp, void *dirent, filldir_t filldir) +{ + return proc_readfd_common(filp, dirent, filldir, + proc_fdinfo_instantiate); +} + +static const struct file_operations proc_fdinfo_operations = { + .read = generic_read_dir, + .readdir = proc_readfdinfo, +}; + +/* + * proc directories can do almost nothing.. + */ +static const struct inode_operations proc_fdinfo_inode_operations = { + .lookup = proc_lookupfdinfo, + .setattr = proc_setattr, +}; + + static struct dentry *proc_pident_instantiate(struct inode *dir, - struct dentry *dentry, struct task_struct *task, void *ptr) + struct dentry *dentry, struct task_struct *task, const void *ptr) { - struct pid_entry *p = ptr; + const struct pid_entry *p = ptr; struct inode *inode; struct proc_inode *ei; struct dentry *error = ERR_PTR(-EINVAL); @@ -1487,13 +1579,13 @@ out: static struct dentry *proc_pident_lookup(struct inode *dir, struct dentry *dentry, - struct pid_entry *ents, + const struct pid_entry *ents, unsigned int nents) { struct inode *inode; struct dentry *error; struct task_struct *task = get_proc_task(dir); - struct pid_entry *p, *last; + const struct pid_entry *p, *last; error = ERR_PTR(-ENOENT); inode = NULL; @@ -1522,8 +1614,8 @@ out_no_task: return error; } -static int proc_pident_fill_cache(struct file *filp, void *dirent, filldir_t filldir, - struct task_struct *task, struct pid_entry *p) +static int proc_pident_fill_cache(struct file *filp, void *dirent, + filldir_t filldir, struct task_struct *task, const struct pid_entry *p) { return proc_fill_cache(filp, dirent, filldir, p->name, p->len, proc_pident_instantiate, task, p); @@ -1531,14 +1623,14 @@ static int proc_pident_fill_cache(struct file *filp, void *dirent, filldir_t fil static int proc_pident_readdir(struct file *filp, void *dirent, filldir_t filldir, - struct pid_entry *ents, unsigned int nents) + const struct pid_entry *ents, unsigned int nents) { int i; int pid; struct dentry *dentry = filp->f_path.dentry; struct inode *inode = dentry->d_inode; struct task_struct *task = get_proc_task(inode); - struct pid_entry *p, *last; + const struct pid_entry *p, *last; ino_t ino; int ret; @@ -1653,7 +1745,7 @@ static const struct file_operations proc_pid_attr_operations = { .write = proc_pid_attr_write, }; -static struct pid_entry attr_dir_stuff[] = { +static const struct pid_entry attr_dir_stuff[] = { REG("current", S_IRUGO|S_IWUGO, pid_attr), REG("prev", S_IRUGO, pid_attr), REG("exec", S_IRUGO|S_IWUGO, pid_attr), @@ -1719,7 +1811,7 @@ static const struct inode_operations proc_self_inode_operations = { * that properly belong to the /proc filesystem, as they describe * describe something that is process related. */ -static struct pid_entry proc_base_stuff[] = { +static const struct pid_entry proc_base_stuff[] = { NOD("self", S_IFLNK|S_IRWXUGO, &proc_self_inode_operations, NULL, {}), }; @@ -1748,9 +1840,9 @@ static struct dentry_operations proc_base_dentry_operations = }; static struct dentry *proc_base_instantiate(struct inode *dir, - struct dentry *dentry, struct task_struct *task, void *ptr) + struct dentry *dentry, struct task_struct *task, const void *ptr) { - struct pid_entry *p = ptr; + const struct pid_entry *p = ptr; struct inode *inode; struct proc_inode *ei; struct dentry *error = ERR_PTR(-EINVAL); @@ -1798,7 +1890,7 @@ static struct dentry *proc_base_lookup(struct inode *dir, struct dentry *dentry) { struct dentry *error; struct task_struct *task = get_proc_task(dir); - struct pid_entry *p, *last; + const struct pid_entry *p, *last; error = ERR_PTR(-ENOENT); @@ -1824,8 +1916,8 @@ out_no_task: return error; } -static int proc_base_fill_cache(struct file *filp, void *dirent, filldir_t filldir, - struct task_struct *task, struct pid_entry *p) +static int proc_base_fill_cache(struct file *filp, void *dirent, + filldir_t filldir, struct task_struct *task, const struct pid_entry *p) { return proc_fill_cache(filp, dirent, filldir, p->name, p->len, proc_base_instantiate, task, p); @@ -1862,9 +1954,10 @@ static int proc_pid_io_accounting(struct task_struct *task, char *buffer) static const struct file_operations proc_task_operations; static const struct inode_operations proc_task_inode_operations; -static struct pid_entry tgid_base_stuff[] = { +static const struct pid_entry tgid_base_stuff[] = { DIR("task", S_IRUGO|S_IXUGO, task), DIR("fd", S_IRUSR|S_IXUSR, fd), + DIR("fdinfo", S_IRUSR|S_IXUSR, fdinfo), INF("environ", S_IRUSR, pid_environ), INF("auxv", S_IRUSR, pid_auxv), INF("status", S_IRUGO, pid_status), @@ -2005,7 +2098,7 @@ out: static struct dentry *proc_pid_instantiate(struct inode *dir, struct dentry * dentry, - struct task_struct *task, void *ptr) + struct task_struct *task, const void *ptr) { struct dentry *error = ERR_PTR(-ENOENT); struct inode *inode; @@ -2018,7 +2111,7 @@ static struct dentry *proc_pid_instantiate(struct inode *dir, inode->i_op = &proc_tgid_base_inode_operations; inode->i_fop = &proc_tgid_base_operations; inode->i_flags|=S_IMMUTABLE; - inode->i_nlink = 4; + inode->i_nlink = 5; #ifdef CONFIG_SECURITY inode->i_nlink += 1; #endif @@ -2120,7 +2213,7 @@ int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir) goto out_no_task; for (; nr < ARRAY_SIZE(proc_base_stuff); filp->f_pos++, nr++) { - struct pid_entry *p = &proc_base_stuff[nr]; + const struct pid_entry *p = &proc_base_stuff[nr]; if (proc_base_fill_cache(filp, dirent, filldir, reaper, p) < 0) goto out; } @@ -2146,8 +2239,9 @@ out_no_task: /* * Tasks */ -static struct pid_entry tid_base_stuff[] = { +static const struct pid_entry tid_base_stuff[] = { DIR("fd", S_IRUSR|S_IXUSR, fd), + DIR("fdinfo", S_IRUSR|S_IXUSR, fdinfo), INF("environ", S_IRUSR, pid_environ), INF("auxv", S_IRUSR, pid_auxv), INF("status", S_IRUGO, pid_status), @@ -2216,7 +2310,7 @@ static const struct inode_operations proc_tid_base_inode_operations = { }; static struct dentry *proc_task_instantiate(struct inode *dir, - struct dentry *dentry, struct task_struct *task, void *ptr) + struct dentry *dentry, struct task_struct *task, const void *ptr) { struct dentry *error = ERR_PTR(-ENOENT); struct inode *inode; @@ -2228,7 +2322,7 @@ static struct dentry *proc_task_instantiate(struct inode *dir, inode->i_op = &proc_tid_base_inode_operations; inode->i_fop = &proc_tid_base_operations; inode->i_flags|=S_IMMUTABLE; - inode->i_nlink = 3; + inode->i_nlink = 4; #ifdef CONFIG_SECURITY inode->i_nlink += 1; #endif diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 775fb21294d..8a40e15f5ec 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -398,6 +398,7 @@ struct dentry *proc_lookup(struct inode * dir, struct dentry *dentry, struct nam if (!memcmp(dentry->d_name.name, de->name, de->namelen)) { unsigned int ino = de->low_ino; + de_get(de); spin_unlock(&proc_subdir_lock); error = -EINVAL; inode = proc_get_inode(dir->i_sb, ino, de); @@ -414,6 +415,7 @@ struct dentry *proc_lookup(struct inode * dir, struct dentry *dentry, struct nam d_add(dentry, inode); return NULL; } + de_put(de); return ERR_PTR(error); } @@ -476,14 +478,21 @@ int proc_readdir(struct file * filp, } do { + struct proc_dir_entry *next; + /* filldir passes info to user space */ + de_get(de); spin_unlock(&proc_subdir_lock); if (filldir(dirent, de->name, de->namelen, filp->f_pos, - de->low_ino, de->mode >> 12) < 0) + de->low_ino, de->mode >> 12) < 0) { + de_put(de); goto out; + } spin_lock(&proc_subdir_lock); filp->f_pos++; - de = de->next; + next = de->next; + de_put(de); + de = next; } while (de); spin_unlock(&proc_subdir_lock); } diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 22b1158389a..b8171907c83 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -21,7 +21,7 @@ #include "internal.h" -static inline struct proc_dir_entry * de_get(struct proc_dir_entry *de) +struct proc_dir_entry *de_get(struct proc_dir_entry *de) { if (de) atomic_inc(&de->count); @@ -31,7 +31,7 @@ static inline struct proc_dir_entry * de_get(struct proc_dir_entry *de) /* * Decrements the use count and checks for deferred deletion. */ -static void de_put(struct proc_dir_entry *de) +void de_put(struct proc_dir_entry *de) { if (de) { lock_kernel(); @@ -146,13 +146,6 @@ struct inode *proc_get_inode(struct super_block *sb, unsigned int ino, { struct inode * inode; - /* - * Increment the use count so the dir entry can't disappear. - */ - de_get(de); - - WARN_ON(de && de->deleted); - if (de != NULL && !try_module_get(de->owner)) goto out_mod; @@ -184,7 +177,6 @@ out_ino: if (de != NULL) module_put(de->owner); out_mod: - de_put(de); return NULL; } @@ -199,6 +191,7 @@ int proc_fill_super(struct super_block *s, void *data, int silent) s->s_op = &proc_sops; s->s_time_gran = 1; + de_get(&proc_root); root_inode = proc_get_inode(s, PROC_ROOT_INO, &proc_root); if (!root_inode) goto out_no_root; @@ -212,6 +205,7 @@ int proc_fill_super(struct super_block *s, void *data, int silent) out_no_root: printk("proc_read_super: get root inode failed\n"); iput(root_inode); + de_put(&proc_root); return -ENOMEM; } MODULE_LICENSE("GPL"); diff --git a/fs/proc/internal.h b/fs/proc/internal.h index f771889183c..b215c3524fa 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -37,6 +37,8 @@ do { \ extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *); #endif +extern int maps_protect; + extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f); extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **); extern int proc_tid_stat(struct task_struct *, char *); diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 75ec6523d29..5fd49e47f83 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -35,7 +35,6 @@ #include <linux/signal.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/times.h> #include <linux/profile.h> @@ -429,18 +428,11 @@ static int slabstats_open(struct inode *inode, struct file *file) return ret; } -static int slabstats_release(struct inode *inode, struct file *file) -{ - struct seq_file *m = file->private_data; - kfree(m->private); - return seq_release(inode, file); -} - static const struct file_operations proc_slabstats_operations = { .open = slabstats_open, .read = seq_read, .llseek = seq_lseek, - .release = slabstats_release, + .release = seq_release_private, }; #endif #endif diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 20e8cbb3436..680c429bfa2 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -429,11 +429,8 @@ static int proc_sys_setattr(struct dentry *dentry, struct iattr *attr) return -EPERM; error = inode_change_ok(inode, attr); - if (!error) { - error = security_inode_setattr(dentry, attr); - if (!error) - error = inode_setattr(inode, attr); - } + if (!error) + error = inode_setattr(inode, attr); return error; } diff --git a/fs/proc/proc_tty.c b/fs/proc/proc_tty.c index c1bbfbeb035..b3a473b0a19 100644 --- a/fs/proc/proc_tty.c +++ b/fs/proc/proc_tty.c @@ -108,6 +108,8 @@ static void *t_start(struct seq_file *m, loff_t *pos) { struct list_head *p; loff_t l = *pos; + + mutex_lock(&tty_mutex); list_for_each(p, &tty_drivers) if (!l--) return list_entry(p, struct tty_driver, tty_drivers); @@ -124,6 +126,7 @@ static void *t_next(struct seq_file *m, void *v, loff_t *pos) static void t_stop(struct seq_file *m, void *v) { + mutex_unlock(&tty_mutex); } static struct seq_operations tty_drivers_op = { diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 4008c060f7e..c24d81a5a04 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -3,6 +3,7 @@ #include <linux/mount.h> #include <linux/seq_file.h> #include <linux/highmem.h> +#include <linux/ptrace.h> #include <linux/pagemap.h> #include <linux/mempolicy.h> @@ -142,6 +143,9 @@ static int show_map_internal(struct seq_file *m, void *v, struct mem_size_stats dev_t dev = 0; int len; + if (maps_protect && !ptrace_may_attach(task)) + return -EACCES; + if (file) { struct inode *inode = vma->vm_file->f_path.dentry->d_inode; dev = inode->i_sb->s_dev; @@ -512,11 +516,22 @@ const struct file_operations proc_maps_operations = { #ifdef CONFIG_NUMA extern int show_numa_map(struct seq_file *m, void *v); +static int show_numa_map_checked(struct seq_file *m, void *v) +{ + struct proc_maps_private *priv = m->private; + struct task_struct *task = priv->task; + + if (maps_protect && !ptrace_may_attach(task)) + return -EACCES; + + return show_numa_map(m, v); +} + static struct seq_operations proc_pid_numa_maps_op = { .start = m_start, .next = m_next, .stop = m_stop, - .show = show_numa_map + .show = show_numa_map_checked }; static int numa_maps_open(struct inode *inode, struct file *file) diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index 7cddf6b8635..d8b8c7183c2 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -2,6 +2,7 @@ #include <linux/mm.h> #include <linux/file.h> #include <linux/mount.h> +#include <linux/ptrace.h> #include <linux/seq_file.h> #include "internal.h" @@ -143,6 +144,12 @@ out: static int show_map(struct seq_file *m, void *_vml) { struct vm_list_struct *vml = _vml; + struct proc_maps_private *priv = m->private; + struct task_struct *task = priv->task; + + if (maps_protect && !ptrace_may_attach(task)) + return -EACCES; + return nommu_vma_show(m, vml->vma); } diff --git a/fs/quota.c b/fs/quota.c index b9dae76a0b6..e9d88fd0eca 100644 --- a/fs/quota.c +++ b/fs/quota.c @@ -11,7 +11,6 @@ #include <asm/current.h> #include <asm/uaccess.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/security.h> #include <linux/syscalls.h> #include <linux/buffer_head.h> diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index d3fd7c6732d..3b481d557ed 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -16,7 +16,6 @@ #include <linux/highmem.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <linux/ramfs.h> #include <linux/quotaops.h> diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index ff1f7639707..4ace5d72eae 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -30,7 +30,6 @@ #include <linux/time.h> #include <linux/init.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/backing-dev.h> #include <linux/ramfs.h> diff --git a/fs/read_write.c b/fs/read_write.c index 1f8dc373ede..4d03008f015 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -37,10 +37,10 @@ loff_t generic_file_llseek(struct file *file, loff_t offset, int origin) mutex_lock(&inode->i_mutex); switch (origin) { - case 2: + case SEEK_END: offset += inode->i_size; break; - case 1: + case SEEK_CUR: offset += file->f_pos; } retval = -EINVAL; @@ -63,10 +63,10 @@ loff_t remote_llseek(struct file *file, loff_t offset, int origin) lock_kernel(); switch (origin) { - case 2: + case SEEK_END: offset += i_size_read(file->f_path.dentry->d_inode); break; - case 1: + case SEEK_CUR: offset += file->f_pos; } retval = -EINVAL; @@ -94,10 +94,10 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin) lock_kernel(); switch (origin) { - case 2: + case SEEK_END: offset += i_size_read(file->f_path.dentry->d_inode); break; - case 1: + case SEEK_CUR: offset += file->f_pos; } retval = -EINVAL; @@ -139,7 +139,7 @@ asmlinkage off_t sys_lseek(unsigned int fd, off_t offset, unsigned int origin) goto bad; retval = -EINVAL; - if (origin <= 2) { + if (origin <= SEEK_MAX) { loff_t res = vfs_llseek(file, offset, origin); retval = res; if (res != (loff_t)retval) @@ -166,7 +166,7 @@ asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high, goto bad; retval = -EINVAL; - if (origin > 2) + if (origin > SEEK_MAX) goto out_putf; offset = vfs_llseek(file, ((loff_t) offset_high << 32) | offset_low, diff --git a/fs/readdir.c b/fs/readdir.c index f39f5b31325..efe52e67657 100644 --- a/fs/readdir.c +++ b/fs/readdir.c @@ -4,13 +4,13 @@ * Copyright (C) 1995 Linus Torvalds */ +#include <linux/kernel.h> #include <linux/module.h> #include <linux/time.h> #include <linux/mm.h> #include <linux/errno.h> #include <linux/stat.h> #include <linux/file.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/dirent.h> #include <linux/security.h> @@ -52,7 +52,6 @@ EXPORT_SYMBOL(vfs_readdir); * case (the low-level handlers don't need to care about this). */ #define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de))) -#define ROUND_UP(x) (((x)+sizeof(long)-1) & ~(sizeof(long)-1)) #ifdef __ARCH_WANT_OLD_READDIR @@ -147,7 +146,7 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset, struct linux_dirent __user * dirent; struct getdents_callback * buf = (struct getdents_callback *) __buf; unsigned long d_ino; - int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 2); + int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 2, sizeof(long)); buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) @@ -220,8 +219,6 @@ out: return error; } -#define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1)) - struct getdents_callback64 { struct linux_dirent64 __user * current_dir; struct linux_dirent64 __user * previous; @@ -234,7 +231,7 @@ static int filldir64(void * __buf, const char * name, int namlen, loff_t offset, { struct linux_dirent64 __user *dirent; struct getdents_callback64 * buf = (struct getdents_callback64 *) __buf; - int reclen = ROUND_UP64(NAME_OFFSET(dirent) + namlen + 1); + int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, sizeof(u64)); buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c index 96a2f8889da..9c23fee3bae 100644 --- a/fs/reiserfs/dir.c +++ b/fs/reiserfs/dir.c @@ -7,7 +7,6 @@ #include <linux/fs.h> #include <linux/reiserfs_fs.h> #include <linux/stat.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <asm/uaccess.h> diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index abfada2f52d..ab45db529c8 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -6,7 +6,6 @@ #include <linux/reiserfs_fs.h> #include <linux/reiserfs_acl.h> #include <linux/reiserfs_xattr.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <linux/pagemap.h> #include <linux/swap.h> diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 7280a23ef34..e073fd86cf6 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -2918,7 +2918,7 @@ static void queue_log_writer(struct super_block *s) set_current_state(TASK_UNINTERRUPTIBLE); if (test_bit(J_WRITERS_QUEUED, &journal->j_state)) schedule(); - current->state = TASK_RUNNING; + __set_current_state(TASK_RUNNING); remove_wait_queue(&journal->j_join_wait, &wait); } diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c index a2161840bc7..b378eea332c 100644 --- a/fs/reiserfs/namei.c +++ b/fs/reiserfs/namei.c @@ -16,7 +16,6 @@ #include <linux/reiserfs_fs.h> #include <linux/reiserfs_acl.h> #include <linux/reiserfs_xattr.h> -#include <linux/smp_lock.h> #include <linux/quotaops.h> #define INC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) { inc_nlink(i); if (i->i_nlink >= REISERFS_LINK_MAX) i->i_nlink=1; } diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c index ecc9943202f..9aa7a06e093 100644 --- a/fs/reiserfs/procfs.c +++ b/fs/reiserfs/procfs.c @@ -16,11 +16,10 @@ #include <asm/uaccess.h> #include <linux/reiserfs_fs.h> #include <linux/reiserfs_fs_sb.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/proc_fs.h> -#if defined( REISERFS_PROC_INFO ) +#ifdef CONFIG_REISERFS_PROC_INFO /* * LOCKING: diff --git a/fs/reiserfs/resize.c b/fs/reiserfs/resize.c index 315684793d1..976cc7887a0 100644 --- a/fs/reiserfs/resize.c +++ b/fs/reiserfs/resize.c @@ -131,6 +131,10 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new) /* don't use read_bitmap_block since it will cache * the uninitialized bitmap */ bh = sb_bread(s, i * s->s_blocksize * 8); + if (!bh) { + vfree(bitmap); + return -EIO; + } memset(bh->b_data, 0, sb_blocksize(sb)); reiserfs_test_and_set_le_bit(0, bh->b_data); reiserfs_cache_bitmap_metadata(s, bh, bitmap + i); diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c index afb21ea4530..b6f12593c39 100644 --- a/fs/reiserfs/stree.c +++ b/fs/reiserfs/stree.c @@ -53,7 +53,6 @@ #include <linux/string.h> #include <linux/pagemap.h> #include <linux/reiserfs_fs.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/quotaops.h> diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 7054aaef049..c7762140c42 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -18,7 +18,6 @@ #include <linux/reiserfs_fs.h> #include <linux/reiserfs_acl.h> #include <linux/reiserfs_xattr.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/blkdev.h> #include <linux/buffer_head.h> @@ -433,12 +432,13 @@ int remove_save_link(struct inode *inode, int truncate) static void reiserfs_kill_sb(struct super_block *s) { if (REISERFS_SB(s)) { +#ifdef CONFIG_REISERFS_FS_XATTR if (REISERFS_SB(s)->xattr_root) { d_invalidate(REISERFS_SB(s)->xattr_root); dput(REISERFS_SB(s)->xattr_root); REISERFS_SB(s)->xattr_root = NULL; } - +#endif if (REISERFS_SB(s)->priv_root) { d_invalidate(REISERFS_SB(s)->priv_root); dput(REISERFS_SB(s)->priv_root); @@ -1562,9 +1562,10 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) REISERFS_SB(s)->s_alloc_options.preallocmin = 0; /* Preallocate by 16 blocks (17-1) at once */ REISERFS_SB(s)->s_alloc_options.preallocsize = 17; +#ifdef CONFIG_REISERFS_FS_XATTR /* Initialize the rwsem for xattr dir */ init_rwsem(&REISERFS_SB(s)->xattr_dir_sem); - +#endif /* setup default block allocator options */ reiserfs_init_alloc_options(s); diff --git a/fs/select.c b/fs/select.c index fe0893afd93..d86224154de 100644 --- a/fs/select.c +++ b/fs/select.c @@ -14,10 +14,10 @@ * of fds to overcome nfds < 16390 descriptors limit (Tigran Aivazian). */ +#include <linux/kernel.h> #include <linux/syscalls.h> #include <linux/module.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/poll.h> #include <linux/personality.h> /* for STICKY_TIMEOUTS */ #include <linux/file.h> @@ -26,7 +26,6 @@ #include <asm/uaccess.h> -#define ROUND_UP(x,y) (((x)+(y)-1)/(y)) #define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM) struct poll_table_page { @@ -399,7 +398,7 @@ asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp, if ((u64)tv.tv_sec >= (u64)MAX_INT64_SECONDS) timeout = -1; /* infinite */ else { - timeout = ROUND_UP(tv.tv_usec, USEC_PER_SEC/HZ); + timeout = DIV_ROUND_UP(tv.tv_usec, USEC_PER_SEC/HZ); timeout += tv.tv_sec * HZ; } } @@ -454,7 +453,7 @@ asmlinkage long sys_pselect7(int n, fd_set __user *inp, fd_set __user *outp, if ((u64)ts.tv_sec >= (u64)MAX_INT64_SECONDS) timeout = -1; /* infinite */ else { - timeout = ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ); + timeout = DIV_ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ); timeout += ts.tv_sec * HZ; } } @@ -776,7 +775,7 @@ asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds, if ((u64)ts.tv_sec >= (u64)MAX_INT64_SECONDS) timeout = -1; /* infinite */ else { - timeout = ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ); + timeout = DIV_ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ); timeout += ts.tv_sec * HZ; } } diff --git a/fs/smbfs/request.c b/fs/smbfs/request.c index 723f7c66766..c288fbe7953 100644 --- a/fs/smbfs/request.c +++ b/fs/smbfs/request.c @@ -6,6 +6,7 @@ * Please add a note about your changes to smbfs in the ChangeLog file. */ +#include <linux/kernel.h> #include <linux/types.h> #include <linux/fs.h> #include <linux/slab.h> @@ -22,8 +23,6 @@ /* #define SMB_SLAB_DEBUG (SLAB_RED_ZONE | SLAB_POISON) */ #define SMB_SLAB_DEBUG 0 -#define ROUND_UP(x) (((x)+3) & ~3) - /* cache for request structures */ static struct kmem_cache *req_cachep; @@ -200,8 +199,8 @@ static int smb_setup_trans2request(struct smb_request *req) const int smb_parameters = 15; const int header = SMB_HEADER_LEN + 2 * smb_parameters + 2; - const int oparam = ROUND_UP(header + 3); - const int odata = ROUND_UP(oparam + req->rq_lparm); + const int oparam = ALIGN(header + 3, sizeof(u32)); + const int odata = ALIGN(oparam + req->rq_lparm, sizeof(u32)); const int bcc = (req->rq_data ? odata + req->rq_ldata : oparam + req->rq_lparm) - header; diff --git a/fs/smbfs/smbiod.c b/fs/smbfs/smbiod.c index 89eaf31f1d4..67176af8515 100644 --- a/fs/smbfs/smbiod.c +++ b/fs/smbfs/smbiod.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <linux/file.h> #include <linux/dcache.h> -#include <linux/smp_lock.h> #include <linux/module.h> #include <linux/net.h> #include <linux/kthread.h> @@ -299,8 +298,6 @@ out: */ static int smbiod(void *unused) { - allow_signal(SIGKILL); - VERBOSE("SMB Kernel thread starting (%d) ...\n", current->pid); for (;;) { diff --git a/fs/smbfs/sock.c b/fs/smbfs/sock.c index 92ea6b2367d..e48bd8235a8 100644 --- a/fs/smbfs/sock.c +++ b/fs/smbfs/sock.c @@ -17,7 +17,6 @@ #include <linux/net.h> #include <linux/mm.h> #include <linux/netdevice.h> -#include <linux/smp_lock.h> #include <linux/workqueue.h> #include <net/scm.h> #include <net/tcp_states.h> diff --git a/fs/smbfs/symlink.c b/fs/smbfs/symlink.c index fea20ceb8a5..00b2909bd46 100644 --- a/fs/smbfs/symlink.c +++ b/fs/smbfs/symlink.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include <linux/net.h> #include <linux/namei.h> diff --git a/fs/splice.c b/fs/splice.c index 5428b0ff3b6..12f28281d2b 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -289,12 +289,10 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, nr_pages = PIPE_BUFFERS; /* - * Initiate read-ahead on this page range. however, don't call into - * read-ahead if this is a non-zero offset (we are likely doing small - * chunk splice and the page is already there) for a single page. + * Don't try to 2nd guess the read-ahead logic, call into + * page_cache_readahead() like the page cache reads would do. */ - if (!loff || nr_pages > 1) - page_cache_readahead(mapping, &in->f_ra, in, index, nr_pages); + page_cache_readahead(mapping, &in->f_ra, in, index, nr_pages); /* * Now fill in the holes: @@ -378,10 +376,11 @@ __generic_file_splice_read(struct file *in, loff_t *ppos, * If in nonblock mode then dont block on waiting * for an in-flight io page */ - if (flags & SPLICE_F_NONBLOCK) - break; - - lock_page(page); + if (flags & SPLICE_F_NONBLOCK) { + if (TestSetPageLocked(page)) + break; + } else + lock_page(page); /* * page was truncated, stop here. if this isn't the diff --git a/fs/stat.c b/fs/stat.c index 38a8cb2a28d..68510068a64 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -8,7 +8,6 @@ #include <linux/mm.h> #include <linux/errno.h> #include <linux/file.h> -#include <linux/smp_lock.h> #include <linux/highuid.h> #include <linux/fs.h> #include <linux/namei.h> diff --git a/fs/super.c b/fs/super.c index 8341e4e1d73..5260d620c55 100644 --- a/fs/super.c +++ b/fs/super.c @@ -107,6 +107,7 @@ out: static inline void destroy_super(struct super_block *s) { security_sb_free(s); + kfree(s->s_subtype); kfree(s); } @@ -907,6 +908,29 @@ out: EXPORT_SYMBOL_GPL(vfs_kern_mount); +static struct vfsmount *fs_set_subtype(struct vfsmount *mnt, const char *fstype) +{ + int err; + const char *subtype = strchr(fstype, '.'); + if (subtype) { + subtype++; + err = -EINVAL; + if (!subtype[0]) + goto err; + } else + subtype = ""; + + mnt->mnt_sb->s_subtype = kstrdup(subtype, GFP_KERNEL); + err = -ENOMEM; + if (!mnt->mnt_sb->s_subtype) + goto err; + return mnt; + + err: + mntput(mnt); + return ERR_PTR(err); +} + struct vfsmount * do_kern_mount(const char *fstype, int flags, const char *name, void *data) { @@ -915,6 +939,9 @@ do_kern_mount(const char *fstype, int flags, const char *name, void *data) if (!type) return ERR_PTR(-ENODEV); mnt = vfs_kern_mount(type, flags, name, data); + if (!IS_ERR(mnt) && (type->fs_flags & FS_HAS_SUBTYPE) && + !mnt->mnt_sb->s_subtype) + mnt = fs_set_subtype(mnt, fstype); put_filesystem(type); return mnt; } diff --git a/fs/sync.c b/fs/sync.c index 5cb9e7e4338..2f97576355b 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -229,7 +229,7 @@ asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes, !S_ISLNK(i_mode)) goto out_put; - ret = do_sync_file_range(file, offset, endbyte, flags); + ret = do_sync_mapping_range(file->f_mapping, offset, endbyte, flags); out_put: fput_light(file, fput_needed); out: diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index 4e48abbd2b5..6bd850b7641 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -13,7 +13,6 @@ */ #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include "sysv.h" static int add_nondir(struct dentry *dentry, struct inode *inode) diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index ea521f846d9..4cec9101568 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -427,9 +427,9 @@ static void udf_table_free_blocks(struct super_block * sb, { struct udf_sb_info *sbi = UDF_SB(sb); uint32_t start, end; - uint32_t nextoffset, oextoffset, elen; - kernel_lb_addr nbloc, obloc, eloc; - struct buffer_head *obh, *nbh; + uint32_t elen; + kernel_lb_addr eloc; + struct extent_position oepos, epos; int8_t etype; int i; @@ -457,14 +457,13 @@ static void udf_table_free_blocks(struct super_block * sb, start = bloc.logicalBlockNum + offset; end = bloc.logicalBlockNum + offset + count - 1; - oextoffset = nextoffset = sizeof(struct unallocSpaceEntry); + epos.offset = oepos.offset = sizeof(struct unallocSpaceEntry); elen = 0; - obloc = nbloc = UDF_I_LOCATION(table); - - obh = nbh = NULL; + epos.block = oepos.block = UDF_I_LOCATION(table); + epos.bh = oepos.bh = NULL; while (count && (etype = - udf_next_aext(table, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1)) != -1) + udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == start)) @@ -482,7 +481,7 @@ static void udf_table_free_blocks(struct super_block * sb, start += count; count = 0; } - udf_write_aext(table, obloc, &oextoffset, eloc, elen, obh, 1); + udf_write_aext(table, &oepos, eloc, elen, 1); } else if (eloc.logicalBlockNum == (end + 1)) { @@ -502,20 +501,20 @@ static void udf_table_free_blocks(struct super_block * sb, end -= count; count = 0; } - udf_write_aext(table, obloc, &oextoffset, eloc, elen, obh, 1); + udf_write_aext(table, &oepos, eloc, elen, 1); } - if (nbh != obh) + if (epos.bh != oepos.bh) { i = -1; - obloc = nbloc; - udf_release_data(obh); - atomic_inc(&nbh->b_count); - obh = nbh; - oextoffset = 0; + oepos.block = epos.block; + brelse(oepos.bh); + get_bh(epos.bh); + oepos.bh = epos.bh; + oepos.offset = 0; } else - oextoffset = nextoffset; + oepos.offset = epos.offset; } if (count) @@ -547,55 +546,53 @@ static void udf_table_free_blocks(struct super_block * sb, adsize = sizeof(long_ad); else { - udf_release_data(obh); - udf_release_data(nbh); + brelse(oepos.bh); + brelse(epos.bh); goto error_return; } - if (nextoffset + (2 * adsize) > sb->s_blocksize) + if (epos.offset + (2 * adsize) > sb->s_blocksize) { char *sptr, *dptr; int loffset; - udf_release_data(obh); - obh = nbh; - obloc = nbloc; - oextoffset = nextoffset; + brelse(oepos.bh); + oepos = epos; /* Steal a block from the extent being free'd */ - nbloc.logicalBlockNum = eloc.logicalBlockNum; + epos.block.logicalBlockNum = eloc.logicalBlockNum; eloc.logicalBlockNum ++; elen -= sb->s_blocksize; - if (!(nbh = udf_tread(sb, - udf_get_lb_pblock(sb, nbloc, 0)))) + if (!(epos.bh = udf_tread(sb, + udf_get_lb_pblock(sb, epos.block, 0)))) { - udf_release_data(obh); + brelse(oepos.bh); goto error_return; } - aed = (struct allocExtDesc *)(nbh->b_data); - aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum); - if (nextoffset + adsize > sb->s_blocksize) + aed = (struct allocExtDesc *)(epos.bh->b_data); + aed->previousAllocExtLocation = cpu_to_le32(oepos.block.logicalBlockNum); + if (epos.offset + adsize > sb->s_blocksize) { - loffset = nextoffset; + loffset = epos.offset; aed->lengthAllocDescs = cpu_to_le32(adsize); - sptr = UDF_I_DATA(inode) + nextoffset - + sptr = UDF_I_DATA(inode) + epos.offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode) - adsize; - dptr = nbh->b_data + sizeof(struct allocExtDesc); + dptr = epos.bh->b_data + sizeof(struct allocExtDesc); memcpy(dptr, sptr, adsize); - nextoffset = sizeof(struct allocExtDesc) + adsize; + epos.offset = sizeof(struct allocExtDesc) + adsize; } else { - loffset = nextoffset + adsize; + loffset = epos.offset + adsize; aed->lengthAllocDescs = cpu_to_le32(0); - sptr = (obh)->b_data + nextoffset; - nextoffset = sizeof(struct allocExtDesc); + sptr = oepos.bh->b_data + epos.offset; + epos.offset = sizeof(struct allocExtDesc); - if (obh) + if (oepos.bh) { - aed = (struct allocExtDesc *)(obh)->b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } @@ -606,11 +603,11 @@ static void udf_table_free_blocks(struct super_block * sb, } } if (UDF_SB_UDFREV(sb) >= 0x0200) - udf_new_tag(nbh->b_data, TAG_IDENT_AED, 3, 1, - nbloc.logicalBlockNum, sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1, + epos.block.logicalBlockNum, sizeof(tag)); else - udf_new_tag(nbh->b_data, TAG_IDENT_AED, 2, 1, - nbloc.logicalBlockNum, sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, 1, + epos.block.logicalBlockNum, sizeof(tag)); switch (UDF_I_ALLOCTYPE(table)) { case ICBTAG_FLAG_AD_SHORT: @@ -619,7 +616,7 @@ static void udf_table_free_blocks(struct super_block * sb, sad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | sb->s_blocksize); - sad->extPosition = cpu_to_le32(nbloc.logicalBlockNum); + sad->extPosition = cpu_to_le32(epos.block.logicalBlockNum); break; } case ICBTAG_FLAG_AD_LONG: @@ -628,14 +625,14 @@ static void udf_table_free_blocks(struct super_block * sb, lad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | sb->s_blocksize); - lad->extLocation = cpu_to_lelb(nbloc); + lad->extLocation = cpu_to_lelb(epos.block); break; } } - if (obh) + if (oepos.bh) { - udf_update_tag(obh->b_data, loffset); - mark_buffer_dirty(obh); + udf_update_tag(oepos.bh->b_data, loffset); + mark_buffer_dirty(oepos.bh); } else mark_inode_dirty(table); @@ -643,26 +640,26 @@ static void udf_table_free_blocks(struct super_block * sb, if (elen) /* It's possible that stealing the block emptied the extent */ { - udf_write_aext(table, nbloc, &nextoffset, eloc, elen, nbh, 1); + udf_write_aext(table, &epos, eloc, elen, 1); - if (!nbh) + if (!epos.bh) { UDF_I_LENALLOC(table) += adsize; mark_inode_dirty(table); } else { - aed = (struct allocExtDesc *)nbh->b_data; + aed = (struct allocExtDesc *)epos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); - udf_update_tag(nbh->b_data, nextoffset); - mark_buffer_dirty(nbh); + udf_update_tag(epos.bh->b_data, epos.offset); + mark_buffer_dirty(epos.bh); } } } - udf_release_data(nbh); - udf_release_data(obh); + brelse(epos.bh); + brelse(oepos.bh); error_return: sb->s_dirt = 1; @@ -677,9 +674,9 @@ static int udf_table_prealloc_blocks(struct super_block * sb, { struct udf_sb_info *sbi = UDF_SB(sb); int alloc_count = 0; - uint32_t extoffset, elen, adsize; - kernel_lb_addr bloc, eloc; - struct buffer_head *bh; + uint32_t elen, adsize; + kernel_lb_addr eloc; + struct extent_position epos; int8_t etype = -1; if (first_block < 0 || first_block >= UDF_SB_PARTLEN(sb, partition)) @@ -693,14 +690,13 @@ static int udf_table_prealloc_blocks(struct super_block * sb, return 0; mutex_lock(&sbi->s_alloc_mutex); - extoffset = sizeof(struct unallocSpaceEntry); - bloc = UDF_I_LOCATION(table); - - bh = NULL; + epos.offset = sizeof(struct unallocSpaceEntry); + epos.block = UDF_I_LOCATION(table); + epos.bh = NULL; eloc.logicalBlockNum = 0xFFFFFFFF; while (first_block != eloc.logicalBlockNum && (etype = - udf_next_aext(table, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) + udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { udf_debug("eloc=%d, elen=%d, first_block=%d\n", eloc.logicalBlockNum, elen, first_block); @@ -709,7 +705,7 @@ static int udf_table_prealloc_blocks(struct super_block * sb, if (first_block == eloc.logicalBlockNum) { - extoffset -= adsize; + epos.offset -= adsize; alloc_count = (elen >> sb->s_blocksize_bits); if (inode && DQUOT_PREALLOC_BLOCK(inode, alloc_count > block_count ? block_count : alloc_count)) @@ -719,15 +715,15 @@ static int udf_table_prealloc_blocks(struct super_block * sb, alloc_count = block_count; eloc.logicalBlockNum += alloc_count; elen -= (alloc_count << sb->s_blocksize_bits); - udf_write_aext(table, bloc, &extoffset, eloc, (etype << 30) | elen, bh, 1); + udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 1); } else - udf_delete_aext(table, bloc, extoffset, eloc, (etype << 30) | elen, bh); + udf_delete_aext(table, epos, eloc, (etype << 30) | elen); } else alloc_count = 0; - udf_release_data(bh); + brelse(epos.bh); if (alloc_count && UDF_SB_LVIDBH(sb)) { @@ -747,9 +743,9 @@ static int udf_table_new_block(struct super_block * sb, struct udf_sb_info *sbi = UDF_SB(sb); uint32_t spread = 0xFFFFFFFF, nspread = 0xFFFFFFFF; uint32_t newblock = 0, adsize; - uint32_t extoffset, goal_extoffset, elen, goal_elen = 0; - kernel_lb_addr bloc, goal_bloc, eloc, goal_eloc; - struct buffer_head *bh, *goal_bh; + uint32_t elen, goal_elen = 0; + kernel_lb_addr eloc, goal_eloc; + struct extent_position epos, goal_epos; int8_t etype; *err = -ENOSPC; @@ -770,14 +766,12 @@ static int udf_table_new_block(struct super_block * sb, We store the buffer_head, bloc, and extoffset of the current closest match and use that when we are done. */ - - extoffset = sizeof(struct unallocSpaceEntry); - bloc = UDF_I_LOCATION(table); - - goal_bh = bh = NULL; + epos.offset = sizeof(struct unallocSpaceEntry); + epos.block = UDF_I_LOCATION(table); + epos.bh = goal_epos.bh = NULL; while (spread && (etype = - udf_next_aext(table, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) + udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { if (goal >= eloc.logicalBlockNum) { @@ -793,24 +787,24 @@ static int udf_table_new_block(struct super_block * sb, if (nspread < spread) { spread = nspread; - if (goal_bh != bh) + if (goal_epos.bh != epos.bh) { - udf_release_data(goal_bh); - goal_bh = bh; - atomic_inc(&goal_bh->b_count); + brelse(goal_epos.bh); + goal_epos.bh = epos.bh; + get_bh(goal_epos.bh); } - goal_bloc = bloc; - goal_extoffset = extoffset - adsize; + goal_epos.block = epos.block; + goal_epos.offset = epos.offset - adsize; goal_eloc = eloc; goal_elen = (etype << 30) | elen; } } - udf_release_data(bh); + brelse(epos.bh); if (spread == 0xFFFFFFFF) { - udf_release_data(goal_bh); + brelse(goal_epos.bh); mutex_unlock(&sbi->s_alloc_mutex); return 0; } @@ -826,17 +820,17 @@ static int udf_table_new_block(struct super_block * sb, if (inode && DQUOT_ALLOC_BLOCK(inode, 1)) { - udf_release_data(goal_bh); + brelse(goal_epos.bh); mutex_unlock(&sbi->s_alloc_mutex); *err = -EDQUOT; return 0; } if (goal_elen) - udf_write_aext(table, goal_bloc, &goal_extoffset, goal_eloc, goal_elen, goal_bh, 1); + udf_write_aext(table, &goal_epos, goal_eloc, goal_elen, 1); else - udf_delete_aext(table, goal_bloc, goal_extoffset, goal_eloc, goal_elen, goal_bh); - udf_release_data(goal_bh); + udf_delete_aext(table, goal_epos, goal_eloc, goal_elen); + brelse(goal_epos.bh); if (UDF_SB_LVIDBH(sb)) { @@ -921,11 +915,14 @@ inline int udf_new_block(struct super_block * sb, struct inode * inode, uint16_t partition, uint32_t goal, int *err) { + int ret; + if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { - return udf_bitmap_new_block(sb, inode, + ret = udf_bitmap_new_block(sb, inode, UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap, partition, goal, err); + return ret; } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) { diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 2391c9150c4..e45f86b5e7b 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -111,11 +111,13 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d uint16_t liu; uint8_t lfi; loff_t size = (udf_ext0_offset(dir) + dir->i_size) >> 2; - struct buffer_head * bh = NULL, * tmp, * bha[16]; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; + struct buffer_head *tmp, *bha[16]; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; int i, num; unsigned int dt_type; + struct extent_position epos = { NULL, 0, {0, 0}}; if (nf_pos >= size) return 0; @@ -127,23 +129,22 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh.sbh = fibh.ebh = NULL; else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); return -EIO; } @@ -171,7 +172,7 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d } else { - udf_release_data(bh); + brelse(epos.bh); return -ENOENT; } @@ -179,14 +180,14 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d { filp->f_pos = nf_pos + 1; - fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } @@ -244,9 +245,9 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d if (filldir(dirent, fname, flen, filp->f_pos, iblock, dt_type) < 0) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } } @@ -255,9 +256,9 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d filp->f_pos = nf_pos + 1; if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } diff --git a/fs/udf/directory.c b/fs/udf/directory.c index fe751a2a0e4..198caa33027 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -36,14 +36,14 @@ udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size, if (!ad) { - udf_release_data(*bh); + brelse(*bh); *error = 1; return NULL; } if (*offset == dir->i_sb->s_blocksize) { - udf_release_data(*bh); + brelse(*bh); block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); if (!block) return NULL; @@ -57,7 +57,7 @@ udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size, remainder = dir->i_sb->s_blocksize - loffset; memcpy((uint8_t *)ad, (*bh)->b_data + loffset, remainder); - udf_release_data(*bh); + brelse(*bh); block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); if (!block) return NULL; @@ -75,9 +75,9 @@ struct fileIdentDesc * udf_fileident_read(struct inode *dir, loff_t *nf_pos, struct udf_fileident_bh *fibh, struct fileIdentDesc *cfi, - kernel_lb_addr *bloc, uint32_t *extoffset, + struct extent_position *epos, kernel_lb_addr *eloc, uint32_t *elen, - uint32_t *offset, struct buffer_head **bh) + sector_t *offset) { struct fileIdentDesc *fi; int i, num, block; @@ -105,13 +105,11 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, if (fibh->eoffset == dir->i_sb->s_blocksize) { - int lextoffset = *extoffset; + int lextoffset = epos->offset; - if (udf_next_aext(dir, bloc, extoffset, eloc, elen, bh, 1) != + if (udf_next_aext(dir, epos, eloc, elen, 1) != (EXT_RECORDED_ALLOCATED >> 30)) - { return NULL; - } block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset); @@ -120,9 +118,9 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen) *offset = 0; else - *extoffset = lextoffset; + epos->offset = lextoffset; - udf_release_data(fibh->sbh); + brelse(fibh->sbh); if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) return NULL; fibh->soffset = fibh->eoffset = 0; @@ -151,7 +149,7 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, } else if (fibh->sbh != fibh->ebh) { - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; } @@ -169,13 +167,11 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, } else if (fibh->eoffset > dir->i_sb->s_blocksize) { - int lextoffset = *extoffset; + int lextoffset = epos->offset; - if (udf_next_aext(dir, bloc, extoffset, eloc, elen, bh, 1) != + if (udf_next_aext(dir, epos, eloc, elen, 1) != (EXT_RECORDED_ALLOCATED >> 30)) - { return NULL; - } block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset); @@ -184,7 +180,7 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen) *offset = 0; else - *extoffset = lextoffset; + epos->offset = lextoffset; fibh->soffset -= dir->i_sb->s_blocksize; fibh->eoffset -= dir->i_sb->s_blocksize; diff --git a/fs/udf/fsync.c b/fs/udf/fsync.c index 5887d78cde4..6ded93e7c44 100644 --- a/fs/udf/fsync.c +++ b/fs/udf/fsync.c @@ -21,7 +21,6 @@ #include "udfdecl.h" #include <linux/fs.h> -#include <linux/smp_lock.h> static int udf_fsync_inode(struct inode *, int); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index ae21a0e59e9..c8461551e10 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -49,10 +49,10 @@ MODULE_LICENSE("GPL"); static mode_t udf_convert_permissions(struct fileEntry *); static int udf_update_inode(struct inode *, int); static void udf_fill_inode(struct inode *, struct buffer_head *); -static struct buffer_head *inode_getblk(struct inode *, long, int *, +static struct buffer_head *inode_getblk(struct inode *, sector_t, int *, long *, int *); -static int8_t udf_insert_aext(struct inode *, kernel_lb_addr, int, - kernel_lb_addr, uint32_t, struct buffer_head *); +static int8_t udf_insert_aext(struct inode *, struct extent_position, + kernel_lb_addr, uint32_t); static void udf_split_extents(struct inode *, int *, int, int, kernel_long_ad [EXTENT_MERGE_SIZE], int *); static void udf_prealloc_extents(struct inode *, int, int, @@ -61,7 +61,7 @@ static void udf_merge_extents(struct inode *, kernel_long_ad [EXTENT_MERGE_SIZE], int *); static void udf_update_extents(struct inode *, kernel_long_ad [EXTENT_MERGE_SIZE], int, int, - kernel_lb_addr, uint32_t, struct buffer_head **); + struct extent_position *); static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int); /* @@ -194,10 +194,11 @@ void udf_expand_file_adinicb(struct inode * inode, int newsize, int * err) struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int *err) { int newblock; - struct buffer_head *sbh = NULL, *dbh = NULL; - kernel_lb_addr bloc, eloc; - uint32_t elen, extoffset; + struct buffer_head *dbh = NULL; + kernel_lb_addr eloc; + uint32_t elen; uint8_t alloctype; + struct extent_position epos; struct udf_fileident_bh sfibh, dfibh; loff_t f_pos = udf_ext0_offset(inode) >> 2; @@ -237,16 +238,16 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int mark_buffer_dirty_inode(dbh, inode); sfibh.soffset = sfibh.eoffset = (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2; - sbh = sfibh.sbh = sfibh.ebh = NULL; + sfibh.sbh = sfibh.ebh = NULL; dfibh.soffset = dfibh.eoffset = 0; dfibh.sbh = dfibh.ebh = dbh; while ( (f_pos < size) ) { UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; - sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL, NULL, NULL); + sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL); if (!sfi) { - udf_release_data(dbh); + brelse(dbh); return NULL; } UDF_I_ALLOCTYPE(inode) = alloctype; @@ -258,7 +259,7 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse))) { UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; - udf_release_data(dbh); + brelse(dbh); return NULL; } } @@ -266,16 +267,17 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, UDF_I_LENALLOC(inode)); UDF_I_LENALLOC(inode) = 0; - bloc = UDF_I_LOCATION(inode); eloc.logicalBlockNum = *block; eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; elen = inode->i_size; UDF_I_LENEXTENTS(inode) = elen; - extoffset = udf_file_entry_alloc_offset(inode); - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &sbh, 0); + epos.bh = NULL; + epos.block = UDF_I_LOCATION(inode); + epos.offset = udf_file_entry_alloc_offset(inode); + udf_add_aext(inode, &epos, eloc, elen, 0); /* UniqueID stuff */ - udf_release_data(sbh); + brelse(epos.bh); mark_inode_dirty(inode); return dbh; } @@ -354,53 +356,153 @@ udf_getblk(struct inode *inode, long block, int create, int *err) return NULL; } -static struct buffer_head * inode_getblk(struct inode * inode, long block, +/* Extend the file by 'blocks' blocks, return the number of extents added */ +int udf_extend_file(struct inode *inode, struct extent_position *last_pos, + kernel_long_ad *last_ext, sector_t blocks) +{ + sector_t add; + int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK); + struct super_block *sb = inode->i_sb; + kernel_lb_addr prealloc_loc = {0, 0}; + int prealloc_len = 0; + + /* The previous extent is fake and we should not extend by anything + * - there's nothing to do... */ + if (!blocks && fake) + return 0; + /* Round the last extent up to a multiple of block size */ + if (last_ext->extLength & (sb->s_blocksize - 1)) { + last_ext->extLength = + (last_ext->extLength & UDF_EXTENT_FLAG_MASK) | + (((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) + + sb->s_blocksize - 1) & ~(sb->s_blocksize - 1)); + UDF_I_LENEXTENTS(inode) = + (UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) & + ~(sb->s_blocksize - 1); + } + /* Last extent are just preallocated blocks? */ + if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_ALLOCATED) { + /* Save the extent so that we can reattach it to the end */ + prealloc_loc = last_ext->extLocation; + prealloc_len = last_ext->extLength; + /* Mark the extent as a hole */ + last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + (last_ext->extLength & UDF_EXTENT_LENGTH_MASK); + last_ext->extLocation.logicalBlockNum = 0; + last_ext->extLocation.partitionReferenceNum = 0; + } + /* Can we merge with the previous extent? */ + if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_NOT_ALLOCATED) { + add = ((1<<30) - sb->s_blocksize - (last_ext->extLength & + UDF_EXTENT_LENGTH_MASK)) >> sb->s_blocksize_bits; + if (add > blocks) + add = blocks; + blocks -= add; + last_ext->extLength += add << sb->s_blocksize_bits; + } + + if (fake) { + udf_add_aext(inode, last_pos, last_ext->extLocation, + last_ext->extLength, 1); + count++; + } + else + udf_write_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1); + /* Managed to do everything necessary? */ + if (!blocks) + goto out; + + /* All further extents will be NOT_RECORDED_NOT_ALLOCATED */ + last_ext->extLocation.logicalBlockNum = 0; + last_ext->extLocation.partitionReferenceNum = 0; + add = (1 << (30-sb->s_blocksize_bits)) - 1; + last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits); + /* Create enough extents to cover the whole hole */ + while (blocks > add) { + blocks -= add; + if (udf_add_aext(inode, last_pos, last_ext->extLocation, + last_ext->extLength, 1) == -1) + return -1; + count++; + } + if (blocks) { + last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + (blocks << sb->s_blocksize_bits); + if (udf_add_aext(inode, last_pos, last_ext->extLocation, + last_ext->extLength, 1) == -1) + return -1; + count++; + } +out: + /* Do we have some preallocated blocks saved? */ + if (prealloc_len) { + if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1) == -1) + return -1; + last_ext->extLocation = prealloc_loc; + last_ext->extLength = prealloc_len; + count++; + } + /* last_pos should point to the last written extent... */ + if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) + last_pos->offset -= sizeof(short_ad); + else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG) + last_pos->offset -= sizeof(long_ad); + else + return -1; + return count; +} + +static struct buffer_head * inode_getblk(struct inode * inode, sector_t block, int *err, long *phys, int *new) { - struct buffer_head *pbh = NULL, *cbh = NULL, *nbh = NULL, *result = NULL; + static sector_t last_block; + struct buffer_head *result = NULL; kernel_long_ad laarr[EXTENT_MERGE_SIZE]; - uint32_t pextoffset = 0, cextoffset = 0, nextoffset = 0; + struct extent_position prev_epos, cur_epos, next_epos; int count = 0, startnum = 0, endnum = 0; uint32_t elen = 0; - kernel_lb_addr eloc, pbloc, cbloc, nbloc; + kernel_lb_addr eloc; int c = 1; - uint64_t lbcount = 0, b_off = 0; - uint32_t newblocknum, newblock, offset = 0; + loff_t lbcount = 0, b_off = 0; + uint32_t newblocknum, newblock; + sector_t offset = 0; int8_t etype; int goal = 0, pgoal = UDF_I_LOCATION(inode).logicalBlockNum; - char lastblock = 0; + int lastblock = 0; - pextoffset = cextoffset = nextoffset = udf_file_entry_alloc_offset(inode); - b_off = (uint64_t)block << inode->i_sb->s_blocksize_bits; - pbloc = cbloc = nbloc = UDF_I_LOCATION(inode); + prev_epos.offset = udf_file_entry_alloc_offset(inode); + prev_epos.block = UDF_I_LOCATION(inode); + prev_epos.bh = NULL; + cur_epos = next_epos = prev_epos; + b_off = (loff_t)block << inode->i_sb->s_blocksize_bits; /* find the extent which contains the block we are looking for. alternate between laarr[0] and laarr[1] for locations of the current extent, and the previous extent */ do { - if (pbh != cbh) + if (prev_epos.bh != cur_epos.bh) { - udf_release_data(pbh); - atomic_inc(&cbh->b_count); - pbh = cbh; + brelse(prev_epos.bh); + get_bh(cur_epos.bh); + prev_epos.bh = cur_epos.bh; } - if (cbh != nbh) + if (cur_epos.bh != next_epos.bh) { - udf_release_data(cbh); - atomic_inc(&nbh->b_count); - cbh = nbh; + brelse(cur_epos.bh); + get_bh(next_epos.bh); + cur_epos.bh = next_epos.bh; } lbcount += elen; - pbloc = cbloc; - cbloc = nbloc; + prev_epos.block = cur_epos.block; + cur_epos.block = next_epos.block; - pextoffset = cextoffset; - cextoffset = nextoffset; + prev_epos.offset = cur_epos.offset; + cur_epos.offset = next_epos.offset; - if ((etype = udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1)) == -1) + if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1) break; c = !c; @@ -418,6 +520,8 @@ static struct buffer_head * inode_getblk(struct inode * inode, long block, b_off -= lbcount; offset = b_off >> inode->i_sb->s_blocksize_bits; + /* Move into indirect extent if we are at a pointer to it */ + udf_next_aext(inode, &prev_epos, &eloc, &elen, 0); /* if the extent is allocated and recorded, return the block if the extent is not a multiple of the blocksize, round up */ @@ -429,54 +533,77 @@ static struct buffer_head * inode_getblk(struct inode * inode, long block, elen = EXT_RECORDED_ALLOCATED | ((elen + inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1)); - etype = udf_write_aext(inode, nbloc, &cextoffset, eloc, elen, nbh, 1); + etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1); } - udf_release_data(pbh); - udf_release_data(cbh); - udf_release_data(nbh); + brelse(prev_epos.bh); + brelse(cur_epos.bh); + brelse(next_epos.bh); newblock = udf_get_lb_pblock(inode->i_sb, eloc, offset); *phys = newblock; return NULL; } + last_block = block; + /* Are we beyond EOF? */ if (etype == -1) { - endnum = startnum = ((count > 1) ? 1 : count); - if (laarr[c].extLength & (inode->i_sb->s_blocksize - 1)) - { - laarr[c].extLength = - (laarr[c].extLength & UDF_EXTENT_FLAG_MASK) | - (((laarr[c].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); - UDF_I_LENEXTENTS(inode) = - (UDF_I_LENEXTENTS(inode) + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1); + int ret; + + if (count) { + if (c) + laarr[0] = laarr[1]; + startnum = 1; + } + else { + /* Create a fake extent when there's not one */ + memset(&laarr[0].extLocation, 0x00, sizeof(kernel_lb_addr)); + laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; + /* Will udf_extend_file() create real extent from a fake one? */ + startnum = (offset > 0); + } + /* Create extents for the hole between EOF and offset */ + ret = udf_extend_file(inode, &prev_epos, laarr, offset); + if (ret == -1) { + brelse(prev_epos.bh); + brelse(cur_epos.bh); + brelse(next_epos.bh); + /* We don't really know the error here so we just make + * something up */ + *err = -ENOSPC; + return NULL; } - c = !c; - laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | - ((offset + 1) << inode->i_sb->s_blocksize_bits); - memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr)); - count ++; - endnum ++; + c = 0; + offset = 0; + count += ret; + /* We are not covered by a preallocated extent? */ + if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) != EXT_NOT_RECORDED_ALLOCATED) { + /* Is there any real extent? - otherwise we overwrite + * the fake one... */ + if (count) + c = !c; + laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + inode->i_sb->s_blocksize; + memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr)); + count ++; + endnum ++; + } + endnum = c+1; lastblock = 1; } - else + else { endnum = startnum = ((count > 2) ? 2 : count); - /* if the current extent is in position 0, swap it with the previous */ - if (!c && count != 1) - { - laarr[2] = laarr[0]; - laarr[0] = laarr[1]; - laarr[1] = laarr[2]; - c = 1; - } + /* if the current extent is in position 0, swap it with the previous */ + if (!c && count != 1) + { + laarr[2] = laarr[0]; + laarr[0] = laarr[1]; + laarr[1] = laarr[2]; + c = 1; + } - /* if the current block is located in a extent, read the next extent */ - if (etype != -1) - { - if ((etype = udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 0)) != -1) + /* if the current block is located in an extent, read the next extent */ + if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) { laarr[c+1].extLength = (etype << 30) | elen; laarr[c+1].extLocation = eloc; @@ -484,11 +611,10 @@ static struct buffer_head * inode_getblk(struct inode * inode, long block, startnum ++; endnum ++; } - else + else { lastblock = 1; + } } - udf_release_data(cbh); - udf_release_data(nbh); /* if the current extent is not recorded but allocated, get the block in the extent corresponding to the requested block */ @@ -508,7 +634,7 @@ static struct buffer_head * inode_getblk(struct inode * inode, long block, if (!(newblocknum = udf_new_block(inode->i_sb, inode, UDF_I_LOCATION(inode).partitionReferenceNum, goal, err))) { - udf_release_data(pbh); + brelse(prev_epos.bh); *err = -ENOSPC; return NULL; } @@ -529,11 +655,11 @@ static struct buffer_head * inode_getblk(struct inode * inode, long block, udf_merge_extents(inode, laarr, &endnum); /* write back the new extents, inserting new extents if the new number - of extents is greater than the old number, and deleting extents if - the new number of extents is less than the old number */ - udf_update_extents(inode, laarr, startnum, endnum, pbloc, pextoffset, &pbh); + of extents is greater than the old number, and deleting extents if + the new number of extents is less than the old number */ + udf_update_extents(inode, laarr, startnum, endnum, &prev_epos); - udf_release_data(pbh); + brelse(prev_epos.bh); if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum, UDF_I_LOCATION(inode).partitionReferenceNum, 0))) @@ -795,7 +921,7 @@ static void udf_merge_extents(struct inode *inode, static void udf_update_extents(struct inode *inode, kernel_long_ad laarr[EXTENT_MERGE_SIZE], int startnum, int endnum, - kernel_lb_addr pbloc, uint32_t pextoffset, struct buffer_head **pbh) + struct extent_position *epos) { int start = 0, i; kernel_lb_addr tmploc; @@ -804,28 +930,26 @@ static void udf_update_extents(struct inode *inode, if (startnum > endnum) { for (i=0; i<(startnum-endnum); i++) - { - udf_delete_aext(inode, pbloc, pextoffset, laarr[i].extLocation, - laarr[i].extLength, *pbh); - } + udf_delete_aext(inode, *epos, laarr[i].extLocation, + laarr[i].extLength); } else if (startnum < endnum) { for (i=0; i<(endnum-startnum); i++) { - udf_insert_aext(inode, pbloc, pextoffset, laarr[i].extLocation, - laarr[i].extLength, *pbh); - udf_next_aext(inode, &pbloc, &pextoffset, &laarr[i].extLocation, - &laarr[i].extLength, pbh, 1); + udf_insert_aext(inode, *epos, laarr[i].extLocation, + laarr[i].extLength); + udf_next_aext(inode, epos, &laarr[i].extLocation, + &laarr[i].extLength, 1); start ++; } } for (i=start; i<endnum; i++) { - udf_next_aext(inode, &pbloc, &pextoffset, &tmploc, &tmplen, pbh, 0); - udf_write_aext(inode, pbloc, &pextoffset, laarr[i].extLocation, - laarr[i].extLength, *pbh, 1); + udf_next_aext(inode, epos, &tmploc, &tmplen, 0); + udf_write_aext(inode, epos, laarr[i].extLocation, + laarr[i].extLength, 1); } } @@ -931,7 +1055,7 @@ __udf_read_inode(struct inode *inode) { printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed ident=%d\n", inode->i_ino, ident); - udf_release_data(bh); + brelse(bh); make_bad_inode(inode); return; } @@ -960,35 +1084,36 @@ __udf_read_inode(struct inode *inode) ident == TAG_IDENT_EFE) { memcpy(&UDF_I_LOCATION(inode), &loc, sizeof(kernel_lb_addr)); - udf_release_data(bh); - udf_release_data(ibh); - udf_release_data(nbh); + brelse(bh); + brelse(ibh); + brelse(nbh); __udf_read_inode(inode); return; } else { - udf_release_data(nbh); - udf_release_data(ibh); + brelse(nbh); + brelse(ibh); } } else - udf_release_data(ibh); + brelse(ibh); } } else - udf_release_data(ibh); + brelse(ibh); } else if (le16_to_cpu(fe->icbTag.strategyType) != 4) { printk(KERN_ERR "udf: unsupported strategy type: %d\n", le16_to_cpu(fe->icbTag.strategyType)); - udf_release_data(bh); + brelse(bh); make_bad_inode(inode); return; } udf_fill_inode(inode, bh); - udf_release_data(bh); + + brelse(bh); } static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) @@ -1331,7 +1456,7 @@ udf_update_inode(struct inode *inode, int do_sync) use->descTag.tagChecksum += ((uint8_t *)&(use->descTag))[i]; mark_buffer_dirty(bh); - udf_release_data(bh); + brelse(bh); return err; } @@ -1520,7 +1645,7 @@ udf_update_inode(struct inode *inode, int do_sync) err = -EIO; } } - udf_release_data(bh); + brelse(bh); return err; } @@ -1556,8 +1681,8 @@ udf_iget(struct super_block *sb, kernel_lb_addr ino) return NULL; } -int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, - kernel_lb_addr eloc, uint32_t elen, struct buffer_head **bh, int inc) +int8_t udf_add_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr eloc, uint32_t elen, int inc) { int adsize; short_ad *sad = NULL; @@ -1566,10 +1691,10 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, int8_t etype; uint8_t *ptr; - if (!*bh) - ptr = UDF_I_DATA(inode) + *extoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + if (!epos->bh) + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); else - ptr = (*bh)->b_data + *extoffset; + ptr = epos->bh->b_data + epos->offset; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) adsize = sizeof(short_ad); @@ -1578,20 +1703,20 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, else return -1; - if (*extoffset + (2 * adsize) > inode->i_sb->s_blocksize) + if (epos->offset + (2 * adsize) > inode->i_sb->s_blocksize) { char *sptr, *dptr; struct buffer_head *nbh; int err, loffset; - kernel_lb_addr obloc = *bloc; + kernel_lb_addr obloc = epos->block; - if (!(bloc->logicalBlockNum = udf_new_block(inode->i_sb, NULL, + if (!(epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL, obloc.partitionReferenceNum, obloc.logicalBlockNum, &err))) { return -1; } if (!(nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb, - *bloc, 0)))) + epos->block, 0)))) { return -1; } @@ -1604,25 +1729,25 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, aed = (struct allocExtDesc *)(nbh->b_data); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum); - if (*extoffset + adsize > inode->i_sb->s_blocksize) + if (epos->offset + adsize > inode->i_sb->s_blocksize) { - loffset = *extoffset; + loffset = epos->offset; aed->lengthAllocDescs = cpu_to_le32(adsize); sptr = ptr - adsize; dptr = nbh->b_data + sizeof(struct allocExtDesc); memcpy(dptr, sptr, adsize); - *extoffset = sizeof(struct allocExtDesc) + adsize; + epos->offset = sizeof(struct allocExtDesc) + adsize; } else { - loffset = *extoffset + adsize; + loffset = epos->offset + adsize; aed->lengthAllocDescs = cpu_to_le32(0); sptr = ptr; - *extoffset = sizeof(struct allocExtDesc); + epos->offset = sizeof(struct allocExtDesc); - if (*bh) + if (epos->bh) { - aed = (struct allocExtDesc *)(*bh)->b_data; + aed = (struct allocExtDesc *)epos->bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } @@ -1634,10 +1759,10 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, } if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200) udf_new_tag(nbh->b_data, TAG_IDENT_AED, 3, 1, - bloc->logicalBlockNum, sizeof(tag)); + epos->block.logicalBlockNum, sizeof(tag)); else udf_new_tag(nbh->b_data, TAG_IDENT_AED, 2, 1, - bloc->logicalBlockNum, sizeof(tag)); + epos->block.logicalBlockNum, sizeof(tag)); switch (UDF_I_ALLOCTYPE(inode)) { case ICBTAG_FLAG_AD_SHORT: @@ -1646,7 +1771,7 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, sad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | inode->i_sb->s_blocksize); - sad->extPosition = cpu_to_le32(bloc->logicalBlockNum); + sad->extPosition = cpu_to_le32(epos->block.logicalBlockNum); break; } case ICBTAG_FLAG_AD_LONG: @@ -1655,60 +1780,57 @@ int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, lad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | inode->i_sb->s_blocksize); - lad->extLocation = cpu_to_lelb(*bloc); + lad->extLocation = cpu_to_lelb(epos->block); memset(lad->impUse, 0x00, sizeof(lad->impUse)); break; } } - if (*bh) + if (epos->bh) { if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((*bh)->b_data, loffset); + udf_update_tag(epos->bh->b_data, loffset); else - udf_update_tag((*bh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(*bh, inode); - udf_release_data(*bh); + udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos->bh, inode); + brelse(epos->bh); } else mark_inode_dirty(inode); - *bh = nbh; + epos->bh = nbh; } - etype = udf_write_aext(inode, *bloc, extoffset, eloc, elen, *bh, inc); + etype = udf_write_aext(inode, epos, eloc, elen, inc); - if (!*bh) + if (!epos->bh) { UDF_I_LENALLOC(inode) += adsize; mark_inode_dirty(inode); } else { - aed = (struct allocExtDesc *)(*bh)->b_data; + aed = (struct allocExtDesc *)epos->bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((*bh)->b_data, *extoffset + (inc ? 0 : adsize)); + udf_update_tag(epos->bh->b_data, epos->offset + (inc ? 0 : adsize)); else - udf_update_tag((*bh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(*bh, inode); + udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos->bh, inode); } return etype; } -int8_t udf_write_aext(struct inode *inode, kernel_lb_addr bloc, int *extoffset, - kernel_lb_addr eloc, uint32_t elen, struct buffer_head *bh, int inc) +int8_t udf_write_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr eloc, uint32_t elen, int inc) { int adsize; uint8_t *ptr; - if (!bh) - ptr = UDF_I_DATA(inode) + *extoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + if (!epos->bh) + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); else - { - ptr = bh->b_data + *extoffset; - atomic_inc(&bh->b_count); - } + ptr = epos->bh->b_data + epos->offset; switch (UDF_I_ALLOCTYPE(inode)) { @@ -1733,40 +1855,39 @@ int8_t udf_write_aext(struct inode *inode, kernel_lb_addr bloc, int *extoffset, return -1; } - if (bh) + if (epos->bh) { if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh)->b_data; - udf_update_tag((bh)->b_data, + struct allocExtDesc *aed = (struct allocExtDesc *)epos->bh->b_data; + udf_update_tag(epos->bh->b_data, le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc)); } - mark_buffer_dirty_inode(bh, inode); - udf_release_data(bh); + mark_buffer_dirty_inode(epos->bh, inode); } else mark_inode_dirty(inode); if (inc) - *extoffset += adsize; + epos->offset += adsize; return (elen >> 30); } -int8_t udf_next_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, - kernel_lb_addr *eloc, uint32_t *elen, struct buffer_head **bh, int inc) +int8_t udf_next_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr *eloc, uint32_t *elen, int inc) { int8_t etype; - while ((etype = udf_current_aext(inode, bloc, extoffset, eloc, elen, bh, inc)) == + while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { - *bloc = *eloc; - *extoffset = sizeof(struct allocExtDesc); - udf_release_data(*bh); - if (!(*bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, *bloc, 0)))) + epos->block = *eloc; + epos->offset = sizeof(struct allocExtDesc); + brelse(epos->bh); + if (!(epos->bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, epos->block, 0)))) { udf_debug("reading block %d failed!\n", - udf_get_lb_pblock(inode->i_sb, *bloc, 0)); + udf_get_lb_pblock(inode->i_sb, epos->block, 0)); return -1; } } @@ -1774,26 +1895,26 @@ int8_t udf_next_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, return etype; } -int8_t udf_current_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, - kernel_lb_addr *eloc, uint32_t *elen, struct buffer_head **bh, int inc) +int8_t udf_current_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr *eloc, uint32_t *elen, int inc) { int alen; int8_t etype; uint8_t *ptr; - if (!*bh) + if (!epos->bh) { - if (!(*extoffset)) - *extoffset = udf_file_entry_alloc_offset(inode); - ptr = UDF_I_DATA(inode) + *extoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + if (!epos->offset) + epos->offset = udf_file_entry_alloc_offset(inode); + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); alen = udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode); } else { - if (!(*extoffset)) - *extoffset = sizeof(struct allocExtDesc); - ptr = (*bh)->b_data + *extoffset; - alen = sizeof(struct allocExtDesc) + le32_to_cpu(((struct allocExtDesc *)(*bh)->b_data)->lengthAllocDescs); + if (!epos->offset) + epos->offset = sizeof(struct allocExtDesc); + ptr = epos->bh->b_data + epos->offset; + alen = sizeof(struct allocExtDesc) + le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->lengthAllocDescs); } switch (UDF_I_ALLOCTYPE(inode)) @@ -1802,7 +1923,7 @@ int8_t udf_current_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffse { short_ad *sad; - if (!(sad = udf_get_fileshortad(ptr, alen, extoffset, inc))) + if (!(sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc))) return -1; etype = le32_to_cpu(sad->extLength) >> 30; @@ -1815,7 +1936,7 @@ int8_t udf_current_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffse { long_ad *lad; - if (!(lad = udf_get_filelongad(ptr, alen, extoffset, inc))) + if (!(lad = udf_get_filelongad(ptr, alen, &epos->offset, inc))) return -1; etype = le32_to_cpu(lad->extLength) >> 30; @@ -1834,41 +1955,40 @@ int8_t udf_current_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffse } static int8_t -udf_insert_aext(struct inode *inode, kernel_lb_addr bloc, int extoffset, - kernel_lb_addr neloc, uint32_t nelen, struct buffer_head *bh) +udf_insert_aext(struct inode *inode, struct extent_position epos, + kernel_lb_addr neloc, uint32_t nelen) { kernel_lb_addr oeloc; uint32_t oelen; int8_t etype; - if (bh) - atomic_inc(&bh->b_count); + if (epos.bh) + get_bh(epos.bh); - while ((etype = udf_next_aext(inode, &bloc, &extoffset, &oeloc, &oelen, &bh, 0)) != -1) + while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) { - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 1); + udf_write_aext(inode, &epos, neloc, nelen, 1); neloc = oeloc; nelen = (etype << 30) | oelen; } - udf_add_aext(inode, &bloc, &extoffset, neloc, nelen, &bh, 1); - udf_release_data(bh); + udf_add_aext(inode, &epos, neloc, nelen, 1); + brelse(epos.bh); return (nelen >> 30); } -int8_t udf_delete_aext(struct inode *inode, kernel_lb_addr nbloc, int nextoffset, - kernel_lb_addr eloc, uint32_t elen, struct buffer_head *nbh) +int8_t udf_delete_aext(struct inode *inode, struct extent_position epos, + kernel_lb_addr eloc, uint32_t elen) { - struct buffer_head *obh; - kernel_lb_addr obloc; - int oextoffset, adsize; + struct extent_position oepos; + int adsize; int8_t etype; struct allocExtDesc *aed; - if (nbh) + if (epos.bh) { - atomic_inc(&nbh->b_count); - atomic_inc(&nbh->b_count); + get_bh(epos.bh); + get_bh(epos.bh); } if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) @@ -1878,80 +1998,77 @@ int8_t udf_delete_aext(struct inode *inode, kernel_lb_addr nbloc, int nextoffset else adsize = 0; - obh = nbh; - obloc = nbloc; - oextoffset = nextoffset; - - if (udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1) == -1) + oepos = epos; + if (udf_next_aext(inode, &epos, &eloc, &elen, 1) == -1) return -1; - while ((etype = udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1)) != -1) + while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) { - udf_write_aext(inode, obloc, &oextoffset, eloc, (etype << 30) | elen, obh, 1); - if (obh != nbh) + udf_write_aext(inode, &oepos, eloc, (etype << 30) | elen, 1); + if (oepos.bh != epos.bh) { - obloc = nbloc; - udf_release_data(obh); - atomic_inc(&nbh->b_count); - obh = nbh; - oextoffset = nextoffset - adsize; + oepos.block = epos.block; + brelse(oepos.bh); + get_bh(epos.bh); + oepos.bh = epos.bh; + oepos.offset = epos.offset - adsize; } } memset(&eloc, 0x00, sizeof(kernel_lb_addr)); elen = 0; - if (nbh != obh) + if (epos.bh != oepos.bh) { - udf_free_blocks(inode->i_sb, inode, nbloc, 0, 1); - udf_write_aext(inode, obloc, &oextoffset, eloc, elen, obh, 1); - udf_write_aext(inode, obloc, &oextoffset, eloc, elen, obh, 1); - if (!obh) + udf_free_blocks(inode->i_sb, inode, epos.block, 0, 1); + udf_write_aext(inode, &oepos, eloc, elen, 1); + udf_write_aext(inode, &oepos, eloc, elen, 1); + if (!oepos.bh) { UDF_I_LENALLOC(inode) -= (adsize * 2); mark_inode_dirty(inode); } else { - aed = (struct allocExtDesc *)(obh)->b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - (2*adsize)); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((obh)->b_data, oextoffset - (2*adsize)); + udf_update_tag(oepos.bh->b_data, oepos.offset - (2*adsize)); else - udf_update_tag((obh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(obh, inode); + udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(oepos.bh, inode); } } else { - udf_write_aext(inode, obloc, &oextoffset, eloc, elen, obh, 1); - if (!obh) + udf_write_aext(inode, &oepos, eloc, elen, 1); + if (!oepos.bh) { UDF_I_LENALLOC(inode) -= adsize; mark_inode_dirty(inode); } else { - aed = (struct allocExtDesc *)(obh)->b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - adsize); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((obh)->b_data, oextoffset - adsize); + udf_update_tag(oepos.bh->b_data, epos.offset - adsize); else - udf_update_tag((obh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(obh, inode); + udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(oepos.bh, inode); } } - udf_release_data(nbh); - udf_release_data(obh); + brelse(epos.bh); + brelse(oepos.bh); return (elen >> 30); } -int8_t inode_bmap(struct inode *inode, int block, kernel_lb_addr *bloc, uint32_t *extoffset, - kernel_lb_addr *eloc, uint32_t *elen, uint32_t *offset, struct buffer_head **bh) +int8_t inode_bmap(struct inode *inode, sector_t block, struct extent_position *pos, + kernel_lb_addr *eloc, uint32_t *elen, sector_t *offset) { - uint64_t lbcount = 0, bcount = (uint64_t)block << inode->i_sb->s_blocksize_bits; + loff_t lbcount = 0, bcount = (loff_t)block << inode->i_sb->s_blocksize_bits; int8_t etype; if (block < 0) @@ -1960,42 +2077,44 @@ int8_t inode_bmap(struct inode *inode, int block, kernel_lb_addr *bloc, uint32_t return -1; } - *extoffset = 0; + pos->offset = 0; + pos->block = UDF_I_LOCATION(inode); + pos->bh = NULL; *elen = 0; - *bloc = UDF_I_LOCATION(inode); do { - if ((etype = udf_next_aext(inode, bloc, extoffset, eloc, elen, bh, 1)) == -1) + if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1) { - *offset = bcount - lbcount; + *offset = (bcount - lbcount) >> inode->i_sb->s_blocksize_bits; UDF_I_LENEXTENTS(inode) = lbcount; return -1; } lbcount += *elen; } while (lbcount <= bcount); - *offset = bcount + *elen - lbcount; + *offset = (bcount + *elen - lbcount) >> inode->i_sb->s_blocksize_bits; return etype; } -long udf_block_map(struct inode *inode, long block) +long udf_block_map(struct inode *inode, sector_t block) { - kernel_lb_addr eloc, bloc; - uint32_t offset, extoffset, elen; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0}}; int ret; lock_kernel(); - if (inode_bmap(inode, block, &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) - ret = udf_get_lb_pblock(inode->i_sb, eloc, offset >> inode->i_sb->s_blocksize_bits); + if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) + ret = udf_get_lb_pblock(inode->i_sb, eloc, offset); else ret = 0; unlock_kernel(); - udf_release_data(bh); + brelse(epos.bh); if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_VARCONV)) return udf_fixed_to_variable(ret); diff --git a/fs/udf/misc.c b/fs/udf/misc.c index cc8ca3254db..a2b2a98ce78 100644 --- a/fs/udf/misc.c +++ b/fs/udf/misc.c @@ -274,12 +274,6 @@ udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc, uint32_t offset, ui loc.logicalBlockNum + offset, ident); } -void udf_release_data(struct buffer_head *bh) -{ - if (bh) - brelse(bh); -} - void udf_update_tag(char *data, int length) { tag *tptr = (tag *)data; diff --git a/fs/udf/namei.c b/fs/udf/namei.c index fe361cd19a9..91df4928651 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -155,9 +155,10 @@ udf_find_entry(struct inode *dir, struct dentry *dentry, uint8_t lfi; uint16_t liu; loff_t size; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0}}; size = (udf_ext0_offset(dir) + dir->i_size) >> 2; f_pos = (udf_ext0_offset(dir) >> 2); @@ -166,42 +167,41 @@ udf_find_entry(struct inode *dir, struct dentry *dentry, if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh->sbh = fibh->ebh = NULL; else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); return NULL; } } else { - udf_release_data(bh); + brelse(epos.bh); return NULL; } while ( (f_pos < size) ) { - fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); return NULL; } @@ -247,15 +247,15 @@ udf_find_entry(struct inode *dir, struct dentry *dentry, { if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { - udf_release_data(bh); + brelse(epos.bh); return fi; } } } if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); return NULL; } @@ -321,8 +321,8 @@ udf_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) if (udf_find_entry(dir, dentry, &fibh, &cfi)) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); inode = udf_iget(dir->i_sb, lelb_to_cpu(cfi.icb.extLocation)); if ( !inode ) @@ -353,9 +353,10 @@ udf_add_entry(struct inode *dir, struct dentry *dentry, uint8_t lfi; uint16_t liu; int block; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0 }}; sb = dir->i_sb; @@ -384,23 +385,22 @@ udf_add_entry(struct inode *dir, struct dentry *dentry, if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh->sbh = fibh->ebh = NULL; else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); *err = -EIO; return NULL; } @@ -418,14 +418,14 @@ udf_add_entry(struct inode *dir, struct dentry *dentry, while ( (f_pos < size) ) { - fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); *err = -EIO; return NULL; } @@ -455,7 +455,7 @@ udf_add_entry(struct inode *dir, struct dentry *dentry, { if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen) { - udf_release_data(bh); + brelse(epos.bh); cfi->descTag.tagSerialNum = cpu_to_le16(1); cfi->fileVersionNum = cpu_to_le16(1); cfi->fileCharacteristics = 0; @@ -478,9 +478,9 @@ udf_add_entry(struct inode *dir, struct dentry *dentry, udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); *err = -EEXIST; return NULL; } @@ -492,25 +492,25 @@ add: if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB && sb->s_blocksize - fibh->eoffset < nfidlen) { - udf_release_data(bh); - bh = NULL; + brelse(epos.bh); + epos.bh = NULL; fibh->soffset -= udf_ext0_offset(dir); fibh->eoffset -= udf_ext0_offset(dir); f_pos -= (udf_ext0_offset(dir) >> 2); if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); + brelse(fibh->ebh); + brelse(fibh->sbh); if (!(fibh->sbh = fibh->ebh = udf_expand_dir_adinicb(dir, &block, err))) return NULL; - bloc = UDF_I_LOCATION(dir); + epos.block = UDF_I_LOCATION(dir); eloc.logicalBlockNum = block; eloc.partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum; elen = dir->i_sb->s_blocksize; - extoffset = udf_file_entry_alloc_offset(dir); + epos.offset = udf_file_entry_alloc_offset(dir); if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset += sizeof(short_ad); + epos.offset += sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset += sizeof(long_ad); + epos.offset += sizeof(long_ad); } if (sb->s_blocksize - fibh->eoffset >= nfidlen) @@ -519,7 +519,7 @@ add: fibh->eoffset += nfidlen; if (fibh->sbh != fibh->ebh) { - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; } @@ -541,7 +541,7 @@ add: fibh->eoffset += nfidlen - sb->s_blocksize; if (fibh->sbh != fibh->ebh) { - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; } @@ -550,14 +550,14 @@ add: if (!(fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err))) { - udf_release_data(bh); - udf_release_data(fibh->sbh); + brelse(epos.bh); + brelse(fibh->sbh); return NULL; } if (!(fibh->soffset)) { - if (udf_next_aext(dir, &bloc, &extoffset, &eloc, &elen, &bh, 1) == + if (udf_next_aext(dir, &epos, &eloc, &elen, 1) == (EXT_RECORDED_ALLOCATED >> 30)) { block = eloc.logicalBlockNum + ((elen - 1) >> @@ -566,7 +566,7 @@ add: else block ++; - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; fi = (struct fileIdentDesc *)(fibh->sbh->b_data); } @@ -587,7 +587,7 @@ add: cfi->lengthOfImpUse = cpu_to_le16(0); if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) { - udf_release_data(bh); + brelse(epos.bh); dir->i_size += nfidlen; if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) UDF_I_LENALLOC(dir) += nfidlen; @@ -596,10 +596,10 @@ add: } else { - udf_release_data(bh); + brelse(epos.bh); if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); + brelse(fibh->ebh); + brelse(fibh->sbh); *err = -EIO; return NULL; } @@ -656,8 +656,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct mark_inode_dirty(dir); } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); unlock_kernel(); d_instantiate(dentry, inode); return 0; @@ -701,8 +701,8 @@ static int udf_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t mark_inode_dirty(inode); if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); d_instantiate(dentry, inode); err = 0; out: @@ -743,7 +743,7 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode) cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL); cfi.fileCharacteristics = FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT; udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL); - udf_release_data(fibh.sbh); + brelse(fibh.sbh); inode->i_mode = S_IFDIR | mode; if (dir->i_mode & S_ISGID) inode->i_mode |= S_ISGID; @@ -766,8 +766,8 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode) mark_inode_dirty(dir); d_instantiate(dentry, inode); if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); err = 0; out: unlock_kernel(); @@ -781,9 +781,10 @@ static int empty_dir(struct inode *dir) loff_t f_pos; loff_t size = (udf_ext0_offset(dir) + dir->i_size) >> 2; int block; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0}}; f_pos = (udf_ext0_offset(dir) >> 2); @@ -792,59 +793,58 @@ static int empty_dir(struct inode *dir) if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh.sbh = fibh.ebh = NULL; else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); return 0; } } else { - udf_release_data(bh); + brelse(epos.bh); return 0; } while ( (f_pos < size) ) { - fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } if (cfi.lengthFileIdent && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 1; } @@ -878,14 +878,14 @@ static int udf_rmdir(struct inode * dir, struct dentry * dentry) inode->i_nlink); clear_nlink(inode); inode->i_size = 0; - inode_dec_link_count(inode); + inode_dec_link_count(dir); inode->i_ctime = dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); mark_inode_dirty(dir); end_rmdir: if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); out: unlock_kernel(); return retval; @@ -928,8 +928,8 @@ static int udf_unlink(struct inode * dir, struct dentry * dentry) end_unlink: if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); out: unlock_kernel(); return retval; @@ -941,7 +941,7 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char * struct pathComponent *pc; char *compstart; struct udf_fileident_bh fibh; - struct buffer_head *bh = NULL; + struct extent_position epos = { NULL, 0, {0, 0}}; int eoffset, elen = 0; struct fileIdentDesc *fi; struct fileIdentDesc cfi; @@ -961,33 +961,33 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char * if (UDF_I_ALLOCTYPE(inode) != ICBTAG_FLAG_AD_IN_ICB) { - struct buffer_head *bh = NULL; - kernel_lb_addr bloc, eloc; - uint32_t elen, extoffset; + kernel_lb_addr eloc; + uint32_t elen; block = udf_new_block(inode->i_sb, inode, UDF_I_LOCATION(inode).partitionReferenceNum, UDF_I_LOCATION(inode).logicalBlockNum, &err); if (!block) goto out_no_entry; - bloc = UDF_I_LOCATION(inode); + epos.block = UDF_I_LOCATION(inode); + epos.offset = udf_file_entry_alloc_offset(inode); + epos.bh = NULL; eloc.logicalBlockNum = block; eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; elen = inode->i_sb->s_blocksize; UDF_I_LENEXTENTS(inode) = elen; - extoffset = udf_file_entry_alloc_offset(inode); - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &bh, 0); - udf_release_data(bh); + udf_add_aext(inode, &epos, eloc, elen, 0); + brelse(epos.bh); block = udf_get_pblock(inode->i_sb, block, UDF_I_LOCATION(inode).partitionReferenceNum, 0); - bh = udf_tread(inode->i_sb, block); - lock_buffer(bh); - memset(bh->b_data, 0x00, inode->i_sb->s_blocksize); - set_buffer_uptodate(bh); - unlock_buffer(bh); - mark_buffer_dirty_inode(bh, inode); - ea = bh->b_data + udf_ext0_offset(inode); + epos.bh = udf_tread(inode->i_sb, block); + lock_buffer(epos.bh); + memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize); + set_buffer_uptodate(epos.bh); + unlock_buffer(epos.bh); + mark_buffer_dirty_inode(epos.bh, inode); + ea = epos.bh->b_data + udf_ext0_offset(inode); } else ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); @@ -1060,7 +1060,7 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char * } } - udf_release_data(bh); + brelse(epos.bh); inode->i_size = elen; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) UDF_I_LENALLOC(inode) = inode->i_size; @@ -1089,8 +1089,8 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char * mark_inode_dirty(dir); } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); d_instantiate(dentry, inode); err = 0; @@ -1145,8 +1145,8 @@ static int udf_link(struct dentry * old_dentry, struct inode * dir, mark_inode_dirty(dir); } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); inc_nlink(inode); inode->i_ctime = current_fs_time(inode->i_sb); mark_inode_dirty(inode); @@ -1174,8 +1174,8 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry, if ((ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi))) { if (ofibh.sbh != ofibh.ebh) - udf_release_data(ofibh.ebh); - udf_release_data(ofibh.sbh); + brelse(ofibh.ebh); + brelse(ofibh.sbh); } tloc = lelb_to_cpu(ocfi.icb.extLocation); if (!ofi || udf_get_lb_pblock(old_dir->i_sb, tloc, 0) @@ -1188,8 +1188,8 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry, if (!new_inode) { if (nfibh.sbh != nfibh.ebh) - udf_release_data(nfibh.ebh); - udf_release_data(nfibh.sbh); + brelse(nfibh.ebh); + brelse(nfibh.sbh); nfi = NULL; } } @@ -1290,19 +1290,19 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry, if (ofi) { if (ofibh.sbh != ofibh.ebh) - udf_release_data(ofibh.ebh); - udf_release_data(ofibh.sbh); + brelse(ofibh.ebh); + brelse(ofibh.sbh); } retval = 0; end_rename: - udf_release_data(dir_bh); + brelse(dir_bh); if (nfi) { if (nfibh.sbh != nfibh.ebh) - udf_release_data(nfibh.ebh); - udf_release_data(nfibh.sbh); + brelse(nfibh.ebh); + brelse(nfibh.sbh); } unlock_kernel(); return retval; diff --git a/fs/udf/partition.c b/fs/udf/partition.c index dabf2b841db..467a26171cd 100644 --- a/fs/udf/partition.c +++ b/fs/udf/partition.c @@ -81,7 +81,7 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block, uint16_t loc = le32_to_cpu(((__le32 *)bh->b_data)[index]); - udf_release_data(bh); + brelse(bh); if (UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum == partition) { diff --git a/fs/udf/super.c b/fs/udf/super.c index 023b304fdd9..9b8644a06e5 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -563,7 +563,7 @@ udf_vrs(struct super_block *sb, int silent) if (vsd->stdIdent[0] == 0) { - udf_release_data(bh); + brelse(bh); break; } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) @@ -596,7 +596,7 @@ udf_vrs(struct super_block *sb, int silent) } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) { - udf_release_data(bh); + brelse(bh); break; } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) @@ -607,7 +607,7 @@ udf_vrs(struct super_block *sb, int silent) { nsr03 = sector; } - udf_release_data(bh); + brelse(bh); } if (nsr03) @@ -673,7 +673,7 @@ udf_find_anchor(struct super_block *sb) { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); } if (ident == TAG_IDENT_AVDP) @@ -708,7 +708,7 @@ udf_find_anchor(struct super_block *sb) { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); } if (ident == TAG_IDENT_AVDP && @@ -727,7 +727,7 @@ udf_find_anchor(struct super_block *sb) { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); } if (ident == TAG_IDENT_AVDP && @@ -749,7 +749,7 @@ udf_find_anchor(struct super_block *sb) { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); if (ident == TAG_IDENT_AVDP && location == 256) UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); @@ -766,7 +766,7 @@ udf_find_anchor(struct super_block *sb) } else { - udf_release_data(bh); + brelse(bh); if ((ident != TAG_IDENT_AVDP) && (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) { @@ -795,7 +795,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr return 1; else if (ident != TAG_IDENT_FSD) { - udf_release_data(bh); + brelse(bh); return 1; } @@ -834,7 +834,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr newfileset.logicalBlockNum += 1 + ((le32_to_cpu(sp->numOfBytes) + sizeof(struct spaceBitmapDesc) - 1) >> sb->s_blocksize_bits); - udf_release_data(bh); + brelse(bh); break; } case TAG_IDENT_FSD: @@ -845,7 +845,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr default: { newfileset.logicalBlockNum ++; - udf_release_data(bh); + brelse(bh); bh = NULL; break; } @@ -865,7 +865,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr UDF_SB_PARTITION(sb) = fileset->partitionReferenceNum; udf_load_fileset(sb, bh, root); - udf_release_data(bh); + brelse(bh); return 0; } return 1; @@ -1083,7 +1083,7 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_a if (ident != 0 || strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) { - udf_release_data(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]); + brelse(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]); UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = NULL; } } @@ -1137,12 +1137,12 @@ udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc) udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt)); if (UDF_SB_LVIDBH(sb) != bh) - udf_release_data(bh); + brelse(bh); loc.extLength -= sb->s_blocksize; loc.extLocation ++; } if (UDF_SB_LVIDBH(sb) != bh) - udf_release_data(bh); + brelse(bh); } /* @@ -1245,7 +1245,7 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_ done = 1; break; } - udf_release_data(bh); + brelse(bh); } for (i=0; i<VDS_POS_LENGTH; i++) { @@ -1267,10 +1267,10 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_ gd = (struct generic_desc *)bh2->b_data; if (ident == TAG_IDENT_PD) udf_load_partdesc(sb, bh2); - udf_release_data(bh2); + brelse(bh2); } } - udf_release_data(bh); + brelse(bh); } } @@ -1333,7 +1333,7 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) reserve_e = reserve_e >> sb->s_blocksize_bits; reserve_e += reserve_s; - udf_release_data(bh); + brelse(bh); /* Process the main & reserve sequences */ /* responsible for finding the PartitionDesc(s) */ @@ -1403,12 +1403,14 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) pos = udf_block_map(UDF_SB_VAT(sb), 0); bh = sb_bread(sb, pos); + if (!bh) + return 1; UDF_SB_TYPEVIRT(sb,i).s_start_offset = le16_to_cpu(((struct virtualAllocationTable20 *)bh->b_data + udf_ext0_offset(UDF_SB_VAT(sb)))->lengthHeader) + udf_ext0_offset(UDF_SB_VAT(sb)); UDF_SB_TYPEVIRT(sb,i).s_num_entries = (UDF_SB_VAT(sb)->i_size - UDF_SB_TYPEVIRT(sb,i).s_start_offset) >> 2; - udf_release_data(bh); + brelse(bh); } UDF_SB_PARTROOT(sb,i) = udf_get_pblock(sb, 0, i, 0); UDF_SB_PARTLEN(sb,i) = UDF_SB_PARTLEN(sb,ino.partitionReferenceNum); @@ -1661,7 +1663,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) iput(inode); goto error_out; } - sb->s_maxbytes = 1<<30; + sb->s_maxbytes = MAX_LFS_FILESIZE; return 0; error_out: @@ -1680,7 +1682,7 @@ error_out: if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) { for (i=0; i<4; i++) - udf_release_data(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); + brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); } } #ifdef CONFIG_UDF_NLS @@ -1689,7 +1691,7 @@ error_out: #endif if (!(sb->s_flags & MS_RDONLY)) udf_close_lvid(sb); - udf_release_data(UDF_SB_LVIDBH(sb)); + brelse(UDF_SB_LVIDBH(sb)); UDF_SB_FREE(sb); kfree(sbi); sb->s_fs_info = NULL; @@ -1758,7 +1760,7 @@ udf_put_super(struct super_block *sb) if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) { for (i=0; i<4; i++) - udf_release_data(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); + brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); } } #ifdef CONFIG_UDF_NLS @@ -1767,7 +1769,7 @@ udf_put_super(struct super_block *sb) #endif if (!(sb->s_flags & MS_RDONLY)) udf_close_lvid(sb); - udf_release_data(UDF_SB_LVIDBH(sb)); + brelse(UDF_SB_LVIDBH(sb)); UDF_SB_FREE(sb); kfree(sb->s_fs_info); sb->s_fs_info = NULL; @@ -1837,7 +1839,7 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) } else if (ident != TAG_IDENT_SBD) { - udf_release_data(bh); + brelse(bh); printk(KERN_ERR "udf: udf_count_free failed\n"); goto out; } @@ -1859,7 +1861,7 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) } if ( bytes ) { - udf_release_data(bh); + brelse(bh); newblock = udf_get_lb_pblock(sb, loc, ++block); bh = udf_tread(sb, newblock); if (!bh) @@ -1871,7 +1873,7 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) ptr = (uint8_t *)bh->b_data; } } - udf_release_data(bh); + brelse(bh); out: unlock_kernel(); @@ -1883,21 +1885,20 @@ static unsigned int udf_count_free_table(struct super_block *sb, struct inode * table) { unsigned int accum = 0; - uint32_t extoffset, elen; - kernel_lb_addr bloc, eloc; + uint32_t elen; + kernel_lb_addr eloc; int8_t etype; - struct buffer_head *bh = NULL; + struct extent_position epos; lock_kernel(); - bloc = UDF_I_LOCATION(table); - extoffset = sizeof(struct unallocSpaceEntry); + epos.block = UDF_I_LOCATION(table); + epos.offset = sizeof(struct unallocSpaceEntry); + epos.bh = NULL; - while ((etype = udf_next_aext(table, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) - { + while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) accum += (elen >> table->i_sb->s_blocksize_bits); - } - udf_release_data(bh); + brelse(epos.bh); unlock_kernel(); diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c index ba068a78656..12613b680cc 100644 --- a/fs/udf/symlink.c +++ b/fs/udf/symlink.c @@ -95,7 +95,7 @@ static int udf_symlink_filler(struct file *file, struct page *page) } udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p); - udf_release_data(bh); + brelse(bh); unlock_kernel(); SetPageUptodate(page); diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index 0abd66ce36e..77975ae291a 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -28,8 +28,8 @@ #include "udf_i.h" #include "udf_sb.h" -static void extent_trunc(struct inode * inode, kernel_lb_addr bloc, int extoffset, - kernel_lb_addr eloc, int8_t etype, uint32_t elen, struct buffer_head *bh, uint32_t nelen) +static void extent_trunc(struct inode * inode, struct extent_position *epos, + kernel_lb_addr eloc, int8_t etype, uint32_t elen, uint32_t nelen) { kernel_lb_addr neloc = { 0, 0 }; int last_block = (elen + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits; @@ -49,7 +49,7 @@ static void extent_trunc(struct inode * inode, kernel_lb_addr bloc, int extoffse if (elen != nelen) { - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 0); + udf_write_aext(inode, epos, neloc, nelen, 0); if (last_block - first_block > 0) { if (etype == (EXT_RECORDED_ALLOCATED >> 30)) @@ -63,18 +63,16 @@ static void extent_trunc(struct inode * inode, kernel_lb_addr bloc, int extoffse void udf_discard_prealloc(struct inode * inode) { - kernel_lb_addr bloc, eloc; - uint32_t extoffset = 0, elen, nelen; + struct extent_position epos = { NULL, 0, {0, 0}}; + kernel_lb_addr eloc; + uint32_t elen, nelen; uint64_t lbcount = 0; int8_t etype = -1, netype; - struct buffer_head *bh = NULL; int adsize; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB || inode->i_size == UDF_I_LENEXTENTS(inode)) - { return; - } if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) adsize = sizeof(short_ad); @@ -83,52 +81,58 @@ void udf_discard_prealloc(struct inode * inode) else adsize = 0; - bloc = UDF_I_LOCATION(inode); + epos.block = UDF_I_LOCATION(inode); - while ((netype = udf_next_aext(inode, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) + /* Find the last extent in the file */ + while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) { etype = netype; lbcount += elen; - if (lbcount > inode->i_size && lbcount - inode->i_size < inode->i_sb->s_blocksize) + if (lbcount > inode->i_size && lbcount - elen < inode->i_size) { + WARN_ON(lbcount - inode->i_size >= inode->i_sb->s_blocksize); nelen = elen - (lbcount - inode->i_size); - extent_trunc(inode, bloc, extoffset-adsize, eloc, etype, elen, bh, nelen); + epos.offset -= adsize; + extent_trunc(inode, &epos, eloc, etype, elen, nelen); + epos.offset += adsize; lbcount = inode->i_size; } } - if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) - { - extoffset -= adsize; + if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { + epos.offset -= adsize; lbcount -= elen; - extent_trunc(inode, bloc, extoffset, eloc, etype, elen, bh, 0); - if (!bh) + extent_trunc(inode, &epos, eloc, etype, elen, 0); + if (!epos.bh) { - UDF_I_LENALLOC(inode) = extoffset - udf_file_entry_alloc_offset(inode); + UDF_I_LENALLOC(inode) = epos.offset - udf_file_entry_alloc_offset(inode); mark_inode_dirty(inode); } else { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh->b_data); - aed->lengthAllocDescs = cpu_to_le32(extoffset - sizeof(struct allocExtDesc)); + struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); + aed->lengthAllocDescs = cpu_to_le32(epos.offset - sizeof(struct allocExtDesc)); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(bh->b_data, extoffset); + udf_update_tag(epos.bh->b_data, epos.offset); else - udf_update_tag(bh->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(bh, inode); + udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } UDF_I_LENEXTENTS(inode) = lbcount; - udf_release_data(bh); + WARN_ON(lbcount != inode->i_size); + brelse(epos.bh); } void udf_truncate_extents(struct inode * inode) { - kernel_lb_addr bloc, eloc, neloc = { 0, 0 }; - uint32_t extoffset, elen, offset, nelen = 0, lelen = 0, lenalloc; + struct extent_position epos; + kernel_lb_addr eloc, neloc = { 0, 0 }; + uint32_t elen, nelen = 0, indirect_ext_len = 0, lenalloc; int8_t etype; - int first_block = inode->i_size >> inode->i_sb->s_blocksize_bits; - struct buffer_head *bh = NULL; + struct super_block *sb = inode->i_sb; + sector_t first_block = inode->i_size >> sb->s_blocksize_bits, offset; + loff_t byte_offset; int adsize; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) @@ -136,158 +140,130 @@ void udf_truncate_extents(struct inode * inode) else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG) adsize = sizeof(long_ad); else - adsize = 0; + BUG(); - etype = inode_bmap(inode, first_block, &bloc, &extoffset, &eloc, &elen, &offset, &bh); - offset += (inode->i_size & (inode->i_sb->s_blocksize - 1)); + etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset); + byte_offset = (offset << sb->s_blocksize_bits) + (inode->i_size & (sb->s_blocksize-1)); if (etype != -1) { - extoffset -= adsize; - extent_trunc(inode, bloc, extoffset, eloc, etype, elen, bh, offset); - extoffset += adsize; - - if (offset) - lenalloc = extoffset; + epos.offset -= adsize; + extent_trunc(inode, &epos, eloc, etype, elen, byte_offset); + epos.offset += adsize; + if (byte_offset) + lenalloc = epos.offset; else - lenalloc = extoffset - adsize; + lenalloc = epos.offset - adsize; - if (!bh) + if (!epos.bh) lenalloc -= udf_file_entry_alloc_offset(inode); else lenalloc -= sizeof(struct allocExtDesc); - while ((etype = udf_current_aext(inode, &bloc, &extoffset, &eloc, &elen, &bh, 0)) != -1) + while ((etype = udf_current_aext(inode, &epos, &eloc, &elen, 0)) != -1) { if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 0); - extoffset = 0; - if (lelen) + udf_write_aext(inode, &epos, neloc, nelen, 0); + if (indirect_ext_len) { - if (!bh) + /* We managed to free all extents in the + * indirect extent - free it too */ + if (!epos.bh) BUG(); - else - memset(bh->b_data, 0x00, sizeof(struct allocExtDesc)); - udf_free_blocks(inode->i_sb, inode, bloc, 0, lelen); + udf_free_blocks(sb, inode, epos.block, 0, indirect_ext_len); } else { - if (!bh) + if (!epos.bh) { UDF_I_LENALLOC(inode) = lenalloc; mark_inode_dirty(inode); } else { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh->b_data); + struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(bh->b_data, lenalloc + + if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(sb) >= 0x0201) + udf_update_tag(epos.bh->b_data, lenalloc + sizeof(struct allocExtDesc)); else - udf_update_tag(bh->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(bh, inode); + udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } - - udf_release_data(bh); - extoffset = sizeof(struct allocExtDesc); - bloc = eloc; - bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, bloc, 0)); + brelse(epos.bh); + epos.offset = sizeof(struct allocExtDesc); + epos.block = eloc; + epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, eloc, 0)); if (elen) - lelen = (elen + inode->i_sb->s_blocksize - 1) >> - inode->i_sb->s_blocksize_bits; + indirect_ext_len = (elen + + sb->s_blocksize - 1) >> + sb->s_blocksize_bits; else - lelen = 1; + indirect_ext_len = 1; } else { - extent_trunc(inode, bloc, extoffset, eloc, etype, elen, bh, 0); - extoffset += adsize; + extent_trunc(inode, &epos, eloc, etype, elen, 0); + epos.offset += adsize; } } - if (lelen) + if (indirect_ext_len) { - if (!bh) + if (!epos.bh) BUG(); - else - memset(bh->b_data, 0x00, sizeof(struct allocExtDesc)); - udf_free_blocks(inode->i_sb, inode, bloc, 0, lelen); + udf_free_blocks(sb, inode, epos.block, 0, indirect_ext_len); } else { - if (!bh) + if (!epos.bh) { UDF_I_LENALLOC(inode) = lenalloc; mark_inode_dirty(inode); } else { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh->b_data); + struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(bh->b_data, lenalloc + + if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(sb) >= 0x0201) + udf_update_tag(epos.bh->b_data, lenalloc + sizeof(struct allocExtDesc)); else - udf_update_tag(bh->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(bh, inode); + udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } } else if (inode->i_size) { - if (offset) + if (byte_offset) { + kernel_long_ad extent; + /* * OK, there is not extent covering inode->i_size and * no extent above inode->i_size => truncate is - * extending the file by 'offset'. + * extending the file by 'offset' blocks. */ - if ((!bh && extoffset == udf_file_entry_alloc_offset(inode)) || - (bh && extoffset == sizeof(struct allocExtDesc))) { - /* File has no extents at all! */ - memset(&eloc, 0x00, sizeof(kernel_lb_addr)); - elen = EXT_NOT_RECORDED_NOT_ALLOCATED | offset; - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &bh, 1); + if ((!epos.bh && epos.offset == udf_file_entry_alloc_offset(inode)) || + (epos.bh && epos.offset == sizeof(struct allocExtDesc))) { + /* File has no extents at all or has empty last + * indirect extent! Create a fake extent... */ + extent.extLocation.logicalBlockNum = 0; + extent.extLocation.partitionReferenceNum = 0; + extent.extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; } else { - extoffset -= adsize; - etype = udf_next_aext(inode, &bloc, &extoffset, &eloc, &elen, &bh, 1); - if (etype == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) - { - extoffset -= adsize; - elen = EXT_NOT_RECORDED_NOT_ALLOCATED | (elen + offset); - udf_write_aext(inode, bloc, &extoffset, eloc, elen, bh, 0); - } - else if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) - { - kernel_lb_addr neloc = { 0, 0 }; - extoffset -= adsize; - nelen = EXT_NOT_RECORDED_NOT_ALLOCATED | - ((elen + offset + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 1); - udf_add_aext(inode, &bloc, &extoffset, eloc, (etype << 30) | elen, &bh, 1); - } - else - { - if (elen & (inode->i_sb->s_blocksize - 1)) - { - extoffset -= adsize; - elen = EXT_RECORDED_ALLOCATED | - ((elen + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); - udf_write_aext(inode, bloc, &extoffset, eloc, elen, bh, 1); - } - memset(&eloc, 0x00, sizeof(kernel_lb_addr)); - elen = EXT_NOT_RECORDED_NOT_ALLOCATED | offset; - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &bh, 1); - } + epos.offset -= adsize; + etype = udf_next_aext(inode, &epos, + &extent.extLocation, &extent.extLength, 0); + extent.extLength |= etype << 30; } + udf_extend_file(inode, &epos, &extent, offset+((inode->i_size & (sb->s_blocksize-1)) != 0)); } } UDF_I_LENEXTENTS(inode) = inode->i_size; - udf_release_data(bh); + brelse(epos.bh); } diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h index 110f8d62616..3b2e6c8cb15 100644 --- a/fs/udf/udf_sb.h +++ b/fs/udf/udf_sb.h @@ -93,7 +93,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) for (i=0; i<nr_groups; i++)\ {\ if (UDF_SB_BITMAP(X,Y,Z,i))\ - udf_release_data(UDF_SB_BITMAP(X,Y,Z,i));\ + brelse(UDF_SB_BITMAP(X,Y,Z,i));\ }\ if (size <= PAGE_SIZE)\ kfree(UDF_SB_PARTMAPS(X)[Y].Z.s_bitmap);\ diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index ee1dece1f6f..67ded289497 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -77,6 +77,13 @@ struct ustr uint8_t u_len; }; +struct extent_position { + struct buffer_head *bh; + uint32_t offset; + kernel_lb_addr block; +}; + + /* super.c */ extern void udf_error(struct super_block *, const char *, const char *, ...); extern void udf_warning(struct super_block *, const char *, const char *, ...); @@ -98,13 +105,14 @@ extern void udf_read_inode(struct inode *); extern void udf_delete_inode(struct inode *); extern void udf_clear_inode(struct inode *); extern int udf_write_inode(struct inode *, int); -extern long udf_block_map(struct inode *, long); -extern int8_t inode_bmap(struct inode *, int, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **); -extern int8_t udf_add_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr, uint32_t, struct buffer_head **, int); -extern int8_t udf_write_aext(struct inode *, kernel_lb_addr, int *, kernel_lb_addr, uint32_t, struct buffer_head *, int); -extern int8_t udf_delete_aext(struct inode *, kernel_lb_addr, int, kernel_lb_addr, uint32_t, struct buffer_head *); -extern int8_t udf_next_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int); -extern int8_t udf_current_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int); +extern long udf_block_map(struct inode *, sector_t); +extern int udf_extend_file(struct inode *, struct extent_position *, kernel_long_ad *, sector_t); +extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *); +extern int8_t udf_add_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int); +extern int8_t udf_write_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int); +extern int8_t udf_delete_aext(struct inode *, struct extent_position, kernel_lb_addr, uint32_t); +extern int8_t udf_next_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int); +extern int8_t udf_current_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int); /* misc.c */ extern struct buffer_head *udf_tgetblk(struct super_block *, int); @@ -113,7 +121,6 @@ extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, uint extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t); extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *); extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *); -extern void udf_release_data(struct buffer_head *); extern void udf_update_tag(char *, int); extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); @@ -151,7 +158,7 @@ extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_ extern int udf_fsync_file(struct file *, struct dentry *, int); /* directory.c */ -extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **); +extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *); extern struct fileIdentDesc * udf_get_fileident(void * buffer, int bufsize, int * offset); extern long_ad * udf_get_filelongad(uint8_t *, int, int *, int); extern short_ad * udf_get_fileshortad(uint8_t *, int, int *, int); diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c index 4fb8b2e077e..154452172f4 100644 --- a/fs/ufs/dir.c +++ b/fs/ufs/dir.c @@ -19,7 +19,6 @@ #include <linux/time.h> #include <linux/fs.h> #include <linux/ufs_fs.h> -#include <linux/smp_lock.h> #include "swab.h" #include "util.h" diff --git a/fs/utimes.c b/fs/utimes.c index 99cf2cb11fe..480f7c8c29d 100644 --- a/fs/utimes.c +++ b/fs/utimes.c @@ -1,8 +1,10 @@ #include <linux/compiler.h> +#include <linux/file.h> #include <linux/fs.h> #include <linux/linkage.h> #include <linux/namei.h> #include <linux/sched.h> +#include <linux/stat.h> #include <linux/utime.h> #include <asm/uaccess.h> #include <asm/unistd.h> @@ -20,54 +22,18 @@ * must be owner or have write permission. * Else, update from *times, must be owner or super user. */ -asmlinkage long sys_utime(char __user * filename, struct utimbuf __user * times) +asmlinkage long sys_utime(char __user *filename, struct utimbuf __user *times) { - int error; - struct nameidata nd; - struct inode * inode; - struct iattr newattrs; + struct timespec tv[2]; - error = user_path_walk(filename, &nd); - if (error) - goto out; - inode = nd.dentry->d_inode; - - error = -EROFS; - if (IS_RDONLY(inode)) - goto dput_and_out; - - /* Don't worry, the checks are done in inode_change_ok() */ - newattrs.ia_valid = ATTR_CTIME | ATTR_MTIME | ATTR_ATIME; if (times) { - error = -EPERM; - if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) - goto dput_and_out; - - error = get_user(newattrs.ia_atime.tv_sec, ×->actime); - newattrs.ia_atime.tv_nsec = 0; - if (!error) - error = get_user(newattrs.ia_mtime.tv_sec, ×->modtime); - newattrs.ia_mtime.tv_nsec = 0; - if (error) - goto dput_and_out; - - newattrs.ia_valid |= ATTR_ATIME_SET | ATTR_MTIME_SET; - } else { - error = -EACCES; - if (IS_IMMUTABLE(inode)) - goto dput_and_out; - - if (current->fsuid != inode->i_uid && - (error = vfs_permission(&nd, MAY_WRITE)) != 0) - goto dput_and_out; + if (get_user(tv[0].tv_sec, ×->actime) || + get_user(tv[1].tv_sec, ×->modtime)) + return -EFAULT; + tv[0].tv_nsec = 0; + tv[1].tv_nsec = 0; } - mutex_lock(&inode->i_mutex); - error = notify_change(nd.dentry, &newattrs); - mutex_unlock(&inode->i_mutex); -dput_and_out: - path_release(&nd); -out: - return error; + return do_utimes(AT_FDCWD, filename, times ? tv : NULL, 0); } #endif @@ -76,18 +42,38 @@ out: * must be owner or have write permission. * Else, update from *times, must be owner or super user. */ -long do_utimes(int dfd, char __user *filename, struct timeval *times) +long do_utimes(int dfd, char __user *filename, struct timespec *times, int flags) { int error; struct nameidata nd; - struct inode * inode; + struct dentry *dentry; + struct inode *inode; struct iattr newattrs; + struct file *f = NULL; - error = __user_walk_fd(dfd, filename, LOOKUP_FOLLOW, &nd); - - if (error) + error = -EINVAL; + if (flags & ~AT_SYMLINK_NOFOLLOW) goto out; - inode = nd.dentry->d_inode; + + if (filename == NULL && dfd != AT_FDCWD) { + error = -EINVAL; + if (flags & AT_SYMLINK_NOFOLLOW) + goto out; + + error = -EBADF; + f = fget(dfd); + if (!f) + goto out; + dentry = f->f_path.dentry; + } else { + error = __user_walk_fd(dfd, filename, (flags & AT_SYMLINK_NOFOLLOW) ? 0 : LOOKUP_FOLLOW, &nd); + if (error) + goto out; + + dentry = nd.dentry; + } + + inode = dentry->d_inode; error = -EROFS; if (IS_RDONLY(inode)) @@ -100,11 +86,21 @@ long do_utimes(int dfd, char __user *filename, struct timeval *times) if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) goto dput_and_out; - newattrs.ia_atime.tv_sec = times[0].tv_sec; - newattrs.ia_atime.tv_nsec = times[0].tv_usec * 1000; - newattrs.ia_mtime.tv_sec = times[1].tv_sec; - newattrs.ia_mtime.tv_nsec = times[1].tv_usec * 1000; - newattrs.ia_valid |= ATTR_ATIME_SET | ATTR_MTIME_SET; + if (times[0].tv_nsec == UTIME_OMIT) + newattrs.ia_valid &= ~ATTR_ATIME; + else if (times[0].tv_nsec != UTIME_NOW) { + newattrs.ia_atime.tv_sec = times[0].tv_sec; + newattrs.ia_atime.tv_nsec = times[0].tv_nsec; + newattrs.ia_valid |= ATTR_ATIME_SET; + } + + if (times[1].tv_nsec == UTIME_OMIT) + newattrs.ia_valid &= ~ATTR_MTIME; + else if (times[1].tv_nsec != UTIME_NOW) { + newattrs.ia_mtime.tv_sec = times[1].tv_sec; + newattrs.ia_mtime.tv_nsec = times[1].tv_nsec; + newattrs.ia_valid |= ATTR_MTIME_SET; + } } else { error = -EACCES; if (IS_IMMUTABLE(inode)) @@ -115,21 +111,67 @@ long do_utimes(int dfd, char __user *filename, struct timeval *times) goto dput_and_out; } mutex_lock(&inode->i_mutex); - error = notify_change(nd.dentry, &newattrs); + error = notify_change(dentry, &newattrs); mutex_unlock(&inode->i_mutex); dput_and_out: - path_release(&nd); + if (f) + fput(f); + else + path_release(&nd); out: return error; } +asmlinkage long sys_utimensat(int dfd, char __user *filename, struct timespec __user *utimes, int flags) +{ + struct timespec tstimes[2]; + + if (utimes) { + if (copy_from_user(&tstimes, utimes, sizeof(tstimes))) + return -EFAULT; + if ((tstimes[0].tv_nsec == UTIME_OMIT || + tstimes[0].tv_nsec == UTIME_NOW) && + tstimes[0].tv_sec != 0) + return -EINVAL; + if ((tstimes[1].tv_nsec == UTIME_OMIT || + tstimes[1].tv_nsec == UTIME_NOW) && + tstimes[1].tv_sec != 0) + return -EINVAL; + + /* Nothing to do, we must not even check the path. */ + if (tstimes[0].tv_nsec == UTIME_OMIT && + tstimes[1].tv_nsec == UTIME_OMIT) + return 0; + } + + return do_utimes(dfd, filename, utimes ? tstimes : NULL, flags); +} + asmlinkage long sys_futimesat(int dfd, char __user *filename, struct timeval __user *utimes) { struct timeval times[2]; + struct timespec tstimes[2]; + + if (utimes) { + if (copy_from_user(×, utimes, sizeof(times))) + return -EFAULT; + + /* This test is needed to catch all invalid values. If we + would test only in do_utimes we would miss those invalid + values truncated by the multiplication with 1000. Note + that we also catch UTIME_{NOW,OMIT} here which are only + valid for utimensat. */ + if (times[0].tv_usec >= 1000000 || times[0].tv_usec < 0 || + times[1].tv_usec >= 1000000 || times[1].tv_usec < 0) + return -EINVAL; + + tstimes[0].tv_sec = times[0].tv_sec; + tstimes[0].tv_nsec = 1000 * times[0].tv_usec; + tstimes[1].tv_sec = times[1].tv_sec; + tstimes[1].tv_nsec = 1000 * times[1].tv_usec; + } - if (utimes && copy_from_user(×, utimes, sizeof(times))) - return -EFAULT; - return do_utimes(dfd, filename, utimes ? times : NULL); + return do_utimes(dfd, filename, utimes ? tstimes : NULL, 0); } asmlinkage long sys_utimes(char __user *filename, struct timeval __user *utimes) diff --git a/fs/xattr.c b/fs/xattr.c index 38646132ab0..9f4568b55b0 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -9,7 +9,6 @@ */ #include <linux/fs.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/file.h> #include <linux/xattr.h> #include <linux/namei.h> diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index ff8d64eba9f..558076dd075 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -639,7 +639,6 @@ xfs_write( xfs_fsize_t isize, new_size; xfs_iocore_t *io; bhv_vnode_t *vp; - unsigned long seg; int iolock; int eventsent = 0; bhv_vrwlock_t locktype; @@ -652,24 +651,9 @@ xfs_write( vp = BHV_TO_VNODE(bdp); xip = XFS_BHVTOI(bdp); - for (seg = 0; seg < segs; seg++) { - const struct iovec *iv = &iovp[seg]; - - /* - * If any segment has a negative length, or the cumulative - * length ever wraps negative then return -EINVAL. - */ - ocount += iv->iov_len; - if (unlikely((ssize_t)(ocount|iv->iov_len) < 0)) - return -EINVAL; - if (access_ok(VERIFY_READ, iv->iov_base, iv->iov_len)) - continue; - if (seg == 0) - return -EFAULT; - segs = seg; - ocount -= iv->iov_len; /* This segment is no good */ - break; - } + error = generic_segment_checks(iovp, &segs, &ocount, VERIFY_READ); + if (error) + return error; count = ocount; pos = *offset; diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 16c3c441256..9cfd5b1a48e 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -303,6 +303,9 @@ struct acpi_device { #define to_acpi_device(d) container_of(d, struct acpi_device, dev) #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) +/* acpi_device.dev.bus == &acpi_bus_type */ +extern struct bus_type acpi_bus_type; + /* * Events * ------ diff --git a/include/asm-alpha/atomic.h b/include/asm-alpha/atomic.h index fc77f741308..f5cb7b878af 100644 --- a/include/asm-alpha/atomic.h +++ b/include/asm-alpha/atomic.h @@ -2,6 +2,7 @@ #define _ALPHA_ATOMIC_H #include <asm/barrier.h> +#include <asm/system.h> /* * Atomic operations that C can't guarantee us. Useful for @@ -175,19 +176,64 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v) return result; } -#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) +#define atomic64_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new)) +#define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) + +#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new)) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ - c = old; \ - c != (u); \ -}) +/** + * atomic_add_unless - add unless the number is a given value + * @v: pointer of type atomic_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as it was not @u. + * Returns non-zero if @v was not @u, and zero otherwise. + */ +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) +/** + * atomic64_add_unless - add unless the number is a given value + * @v: pointer of type atomic64_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as it was not @u. + * Returns non-zero if @v was not @u, and zero otherwise. + */ +static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) +{ + long c, old; + c = atomic64_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic64_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) + #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) diff --git a/include/asm-alpha/kdebug.h b/include/asm-alpha/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-alpha/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-alpha/local.h b/include/asm-alpha/local.h index 90a510fa358..6ad3ea69642 100644 --- a/include/asm-alpha/local.h +++ b/include/asm-alpha/local.h @@ -4,37 +4,115 @@ #include <linux/percpu.h> #include <asm/atomic.h> -typedef atomic64_t local_t; +typedef struct +{ + atomic_long_t a; +} local_t; -#define LOCAL_INIT(i) ATOMIC64_INIT(i) -#define local_read(v) atomic64_read(v) -#define local_set(v,i) atomic64_set(v,i) +#define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } +#define local_read(l) atomic_long_read(&(l)->a) +#define local_set(l,i) atomic_long_set(&(l)->a, (i)) +#define local_inc(l) atomic_long_inc(&(l)->a) +#define local_dec(l) atomic_long_dec(&(l)->a) +#define local_add(i,l) atomic_long_add((i),(&(l)->a)) +#define local_sub(i,l) atomic_long_sub((i),(&(l)->a)) -#define local_inc(v) atomic64_inc(v) -#define local_dec(v) atomic64_dec(v) -#define local_add(i, v) atomic64_add(i, v) -#define local_sub(i, v) atomic64_sub(i, v) +static __inline__ long local_add_return(long i, local_t * l) +{ + long temp, result; + __asm__ __volatile__( + "1: ldq_l %0,%1\n" + " addq %0,%3,%2\n" + " addq %0,%3,%0\n" + " stq_c %0,%1\n" + " beq %0,2f\n" + ".subsection 2\n" + "2: br 1b\n" + ".previous" + :"=&r" (temp), "=m" (l->a.counter), "=&r" (result) + :"Ir" (i), "m" (l->a.counter) : "memory"); + return result; +} -#define __local_inc(v) ((v)->counter++) -#define __local_dec(v) ((v)->counter++) -#define __local_add(i,v) ((v)->counter+=(i)) -#define __local_sub(i,v) ((v)->counter-=(i)) +static __inline__ long local_sub_return(long i, local_t * l) +{ + long temp, result; + __asm__ __volatile__( + "1: ldq_l %0,%1\n" + " subq %0,%3,%2\n" + " subq %0,%3,%0\n" + " stq_c %0,%1\n" + " beq %0,2f\n" + ".subsection 2\n" + "2: br 1b\n" + ".previous" + :"=&r" (temp), "=m" (l->a.counter), "=&r" (result) + :"Ir" (i), "m" (l->a.counter) : "memory"); + return result; +} + +#define local_cmpxchg(l, o, n) \ + (cmpxchg_local(&((l)->a.counter), (o), (n))) +#define local_xchg(l, n) (xchg_local(&((l)->a.counter), (n))) + +/** + * local_add_unless - add unless the number is a given value + * @l: pointer of type local_t + * @a: the amount to add to l... + * @u: ...unless l is equal to u. + * + * Atomically adds @a to @l, so long as it was not @u. + * Returns non-zero if @l was not @u, and zero otherwise. + */ +#define local_add_unless(l, a, u) \ +({ \ + long c, old; \ + c = local_read(l); \ + for (;;) { \ + if (unlikely(c == (u))) \ + break; \ + old = local_cmpxchg((l), c, c + (a)); \ + if (likely(old == c)) \ + break; \ + c = old; \ + } \ + c != (u); \ +}) +#define local_inc_not_zero(l) local_add_unless((l), 1, 0) + +#define local_add_negative(a, l) (local_add_return((a), (l)) < 0) + +#define local_dec_return(l) local_sub_return(1,(l)) + +#define local_inc_return(l) local_add_return(1,(l)) + +#define local_sub_and_test(i,l) (local_sub_return((i), (l)) == 0) + +#define local_inc_and_test(l) (local_add_return(1, (l)) == 0) + +#define local_dec_and_test(l) (local_sub_return(1, (l)) == 0) + +/* Verify if faster than atomic ops */ +#define __local_inc(l) ((l)->a.counter++) +#define __local_dec(l) ((l)->a.counter++) +#define __local_add(i,l) ((l)->a.counter+=(i)) +#define __local_sub(i,l) ((l)->a.counter-=(i)) /* Use these for per-cpu local_t variables: on some archs they are * much more efficient than these naive implementations. Note they take * a variable, not an address. */ -#define cpu_local_read(v) local_read(&__get_cpu_var(v)) -#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i)) - -#define cpu_local_inc(v) local_inc(&__get_cpu_var(v)) -#define cpu_local_dec(v) local_dec(&__get_cpu_var(v)) -#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v)) -#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v)) - -#define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v)) -#define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v)) -#define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v)) -#define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v)) +#define cpu_local_read(l) local_read(&__get_cpu_var(l)) +#define cpu_local_set(l, i) local_set(&__get_cpu_var(l), (i)) + +#define cpu_local_inc(l) local_inc(&__get_cpu_var(l)) +#define cpu_local_dec(l) local_dec(&__get_cpu_var(l)) +#define cpu_local_add(i, l) local_add((i), &__get_cpu_var(l)) +#define cpu_local_sub(i, l) local_sub((i), &__get_cpu_var(l)) + +#define __cpu_local_inc(l) __local_inc(&__get_cpu_var(l)) +#define __cpu_local_dec(l) __local_dec(&__get_cpu_var(l)) +#define __cpu_local_add(i, l) __local_add((i), &__get_cpu_var(l)) +#define __cpu_local_sub(i, l) __local_sub((i), &__get_cpu_var(l)) #endif /* _ALPHA_LOCAL_H */ diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h index 49ac9bee7ce..616d20662ff 100644 --- a/include/asm-alpha/pgtable.h +++ b/include/asm-alpha/pgtable.h @@ -345,10 +345,6 @@ extern inline pte_t mk_swap_pte(unsigned long type, unsigned long offset) #define io_remap_pfn_range(vma, start, pfn, size, prot) \ remap_pfn_range(vma, start, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - #define pte_ERROR(e) \ printk("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e)) #define pmd_ERROR(e) \ diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h index 03e9c0e5ed7..cf1021a97b2 100644 --- a/include/asm-alpha/system.h +++ b/include/asm-alpha/system.h @@ -443,8 +443,110 @@ extern void __xchg_called_with_bad_pointer(void); (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \ }) -#define tas(ptr) (xchg((ptr),1)) +static inline unsigned long +__xchg_u8_local(volatile char *m, unsigned long val) +{ + unsigned long ret, tmp, addr64; + + __asm__ __volatile__( + " andnot %4,7,%3\n" + " insbl %1,%4,%1\n" + "1: ldq_l %2,0(%3)\n" + " extbl %2,%4,%0\n" + " mskbl %2,%4,%2\n" + " or %1,%2,%2\n" + " stq_c %2,0(%3)\n" + " beq %2,2f\n" + ".subsection 2\n" + "2: br 1b\n" + ".previous" + : "=&r" (ret), "=&r" (val), "=&r" (tmp), "=&r" (addr64) + : "r" ((long)m), "1" (val) : "memory"); + return ret; +} + +static inline unsigned long +__xchg_u16_local(volatile short *m, unsigned long val) +{ + unsigned long ret, tmp, addr64; + + __asm__ __volatile__( + " andnot %4,7,%3\n" + " inswl %1,%4,%1\n" + "1: ldq_l %2,0(%3)\n" + " extwl %2,%4,%0\n" + " mskwl %2,%4,%2\n" + " or %1,%2,%2\n" + " stq_c %2,0(%3)\n" + " beq %2,2f\n" + ".subsection 2\n" + "2: br 1b\n" + ".previous" + : "=&r" (ret), "=&r" (val), "=&r" (tmp), "=&r" (addr64) + : "r" ((long)m), "1" (val) : "memory"); + + return ret; +} + +static inline unsigned long +__xchg_u32_local(volatile int *m, unsigned long val) +{ + unsigned long dummy; + + __asm__ __volatile__( + "1: ldl_l %0,%4\n" + " bis $31,%3,%1\n" + " stl_c %1,%2\n" + " beq %1,2f\n" + ".subsection 2\n" + "2: br 1b\n" + ".previous" + : "=&r" (val), "=&r" (dummy), "=m" (*m) + : "rI" (val), "m" (*m) : "memory"); + + return val; +} + +static inline unsigned long +__xchg_u64_local(volatile long *m, unsigned long val) +{ + unsigned long dummy; + + __asm__ __volatile__( + "1: ldq_l %0,%4\n" + " bis $31,%3,%1\n" + " stq_c %1,%2\n" + " beq %1,2f\n" + ".subsection 2\n" + "2: br 1b\n" + ".previous" + : "=&r" (val), "=&r" (dummy), "=m" (*m) + : "rI" (val), "m" (*m) : "memory"); + + return val; +} + +#define __xchg_local(ptr, x, size) \ +({ \ + unsigned long __xchg__res; \ + volatile void *__xchg__ptr = (ptr); \ + switch (size) { \ + case 1: __xchg__res = __xchg_u8_local(__xchg__ptr, x); break; \ + case 2: __xchg__res = __xchg_u16_local(__xchg__ptr, x); break; \ + case 4: __xchg__res = __xchg_u32_local(__xchg__ptr, x); break; \ + case 8: __xchg__res = __xchg_u64_local(__xchg__ptr, x); break; \ + default: __xchg_called_with_bad_pointer(); __xchg__res = x; \ + } \ + __xchg__res; \ +}) + +#define xchg_local(ptr,x) \ + ({ \ + __typeof__(*(ptr)) _x_ = (x); \ + (__typeof__(*(ptr))) __xchg_local((ptr), (unsigned long)_x_, \ + sizeof(*(ptr))); \ + }) /* * Atomic compare and exchange. Compare OLD with MEM, if identical, @@ -596,6 +698,128 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) (unsigned long)_n_, sizeof(*(ptr))); \ }) +static inline unsigned long +__cmpxchg_u8_local(volatile char *m, long old, long new) +{ + unsigned long prev, tmp, cmp, addr64; + + __asm__ __volatile__( + " andnot %5,7,%4\n" + " insbl %1,%5,%1\n" + "1: ldq_l %2,0(%4)\n" + " extbl %2,%5,%0\n" + " cmpeq %0,%6,%3\n" + " beq %3,2f\n" + " mskbl %2,%5,%2\n" + " or %1,%2,%2\n" + " stq_c %2,0(%4)\n" + " beq %2,3f\n" + "2:\n" + ".subsection 2\n" + "3: br 1b\n" + ".previous" + : "=&r" (prev), "=&r" (new), "=&r" (tmp), "=&r" (cmp), "=&r" (addr64) + : "r" ((long)m), "Ir" (old), "1" (new) : "memory"); + + return prev; +} + +static inline unsigned long +__cmpxchg_u16_local(volatile short *m, long old, long new) +{ + unsigned long prev, tmp, cmp, addr64; + + __asm__ __volatile__( + " andnot %5,7,%4\n" + " inswl %1,%5,%1\n" + "1: ldq_l %2,0(%4)\n" + " extwl %2,%5,%0\n" + " cmpeq %0,%6,%3\n" + " beq %3,2f\n" + " mskwl %2,%5,%2\n" + " or %1,%2,%2\n" + " stq_c %2,0(%4)\n" + " beq %2,3f\n" + "2:\n" + ".subsection 2\n" + "3: br 1b\n" + ".previous" + : "=&r" (prev), "=&r" (new), "=&r" (tmp), "=&r" (cmp), "=&r" (addr64) + : "r" ((long)m), "Ir" (old), "1" (new) : "memory"); + + return prev; +} + +static inline unsigned long +__cmpxchg_u32_local(volatile int *m, int old, int new) +{ + unsigned long prev, cmp; + + __asm__ __volatile__( + "1: ldl_l %0,%5\n" + " cmpeq %0,%3,%1\n" + " beq %1,2f\n" + " mov %4,%1\n" + " stl_c %1,%2\n" + " beq %1,3f\n" + "2:\n" + ".subsection 2\n" + "3: br 1b\n" + ".previous" + : "=&r"(prev), "=&r"(cmp), "=m"(*m) + : "r"((long) old), "r"(new), "m"(*m) : "memory"); + + return prev; +} + +static inline unsigned long +__cmpxchg_u64_local(volatile long *m, unsigned long old, unsigned long new) +{ + unsigned long prev, cmp; + + __asm__ __volatile__( + "1: ldq_l %0,%5\n" + " cmpeq %0,%3,%1\n" + " beq %1,2f\n" + " mov %4,%1\n" + " stq_c %1,%2\n" + " beq %1,3f\n" + "2:\n" + ".subsection 2\n" + "3: br 1b\n" + ".previous" + : "=&r"(prev), "=&r"(cmp), "=m"(*m) + : "r"((long) old), "r"(new), "m"(*m) : "memory"); + + return prev; +} + +static __always_inline unsigned long +__cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, + int size) +{ + switch (size) { + case 1: + return __cmpxchg_u8_local(ptr, old, new); + case 2: + return __cmpxchg_u16_local(ptr, old, new); + case 4: + return __cmpxchg_u32_local(ptr, old, new); + case 8: + return __cmpxchg_u64_local(ptr, old, new); + } + __cmpxchg_called_with_bad_pointer(); + return old; +} + +#define cmpxchg_local(ptr,o,n) \ + ({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, sizeof(*(ptr))); \ + }) + #endif /* __ASSEMBLY__ */ #define arch_align_stack(x) (x) diff --git a/include/asm-arm/atomic.h b/include/asm-arm/atomic.h index f266c279512..3b59f94b5a3 100644 --- a/include/asm-arm/atomic.h +++ b/include/asm-arm/atomic.h @@ -12,6 +12,7 @@ #define __ASM_ARM_ATOMIC_H #include <linux/compiler.h> +#include <asm/system.h> typedef struct { volatile int counter; } atomic_t; diff --git a/include/asm-arm/kdebug.h b/include/asm-arm/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-arm/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-arm/kexec.h b/include/asm-arm/kexec.h index 8c1c6162a80..b5b030ef633 100644 --- a/include/asm-arm/kexec.h +++ b/include/asm-arm/kexec.h @@ -16,8 +16,6 @@ #ifndef __ASSEMBLY__ -#define MAX_NOTE_BYTES 1024 - struct kimage; /* Provide a dummy definition to avoid build failures. */ static inline void crash_setup_regs(struct pt_regs *newregs, diff --git a/include/asm-arm/pgtable-nommu.h b/include/asm-arm/pgtable-nommu.h index 7b1c9acdf79..0c8be19fd66 100644 --- a/include/asm-arm/pgtable-nommu.h +++ b/include/asm-arm/pgtable-nommu.h @@ -83,10 +83,6 @@ extern int is_in_rom(unsigned long); #define io_remap_page_range remap_page_range #define io_remap_pfn_range remap_pfn_range -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - /* * All 32bit addresses are effectively valid for vmalloc... diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h index 7b2bafce21a..21dec9f258d 100644 --- a/include/asm-arm/pgtable.h +++ b/include/asm-arm/pgtable.h @@ -395,10 +395,6 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; #define io_remap_pfn_range(vma,from,pfn,size,prot) \ remap_pfn_range(vma, from, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - #define pgtable_cache_init() do { } while (0) #endif /* !__ASSEMBLY__ */ diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index 63b3080bdac..f2da3b6e3a8 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -93,7 +93,7 @@ void die(const char *msg, struct pt_regs *regs, int err) __attribute__((noreturn)); struct siginfo; -void notify_die(const char *str, struct pt_regs *regs, struct siginfo *info, +void arm_notify_die(const char *str, struct pt_regs *regs, struct siginfo *info, unsigned long err, unsigned long trap); void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int, @@ -103,8 +103,6 @@ void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int, #define xchg(ptr,x) \ ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) - extern asmlinkage void __backtrace(void); extern asmlinkage void c_backtrace(unsigned long fp, int pmode); diff --git a/include/asm-arm26/atomic.h b/include/asm-arm26/atomic.h index 97e944fe1cf..d6dd42374cf 100644 --- a/include/asm-arm26/atomic.h +++ b/include/asm-arm26/atomic.h @@ -20,7 +20,6 @@ #ifndef __ASM_ARM_ATOMIC_H #define __ASM_ARM_ATOMIC_H - #ifdef CONFIG_SMP #error SMP is NOT supported #endif diff --git a/include/asm-arm26/kdebug.h b/include/asm-arm26/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-arm26/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-arm26/pgtable.h b/include/asm-arm26/pgtable.h index 63a8881fae1..2b20e9f0885 100644 --- a/include/asm-arm26/pgtable.h +++ b/include/asm-arm26/pgtable.h @@ -297,10 +297,6 @@ static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot) #define io_remap_pfn_range(vma,from,pfn,size,prot) \ remap_pfn_range(vma, from, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - #endif /* !__ASSEMBLY__ */ #endif /* _ASMARM_PGTABLE_H */ diff --git a/include/asm-arm26/system.h b/include/asm-arm26/system.h index 00ae32aa1db..4703593b3bb 100644 --- a/include/asm-arm26/system.h +++ b/include/asm-arm26/system.h @@ -52,8 +52,6 @@ void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int, #define xchg(ptr,x) \ ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) - extern asmlinkage void __backtrace(void); #define set_cr(x) \ diff --git a/include/asm-avr32/kdebug.h b/include/asm-avr32/kdebug.h index f583b643ffb..de419278fc3 100644 --- a/include/asm-avr32/kdebug.h +++ b/include/asm-avr32/kdebug.h @@ -3,19 +3,6 @@ #include <linux/notifier.h> -struct pt_regs; - -struct die_args { - struct pt_regs *regs; - int trapnr; -}; - -int register_die_notifier(struct notifier_block *nb); -int unregister_die_notifier(struct notifier_block *nb); -int register_page_fault_notifier(struct notifier_block *nb); -int unregister_page_fault_notifier(struct notifier_block *nb); -extern struct atomic_notifier_head avr32_die_chain; - /* Grossly misnamed. */ enum die_val { DIE_FAULT, @@ -24,15 +11,7 @@ enum die_val { DIE_PAGE_FAULT, }; -static inline int notify_die(enum die_val val, struct pt_regs *regs, - int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .trapnr = trap, - }; - - return atomic_notifier_call_chain(&avr32_die_chain, val, &args); -} +int register_page_fault_notifier(struct notifier_block *nb); +int unregister_page_fault_notifier(struct notifier_block *nb); #endif /* __ASM_AVR32_KDEBUG_H */ diff --git a/include/asm-avr32/pgtable.h b/include/asm-avr32/pgtable.h index 6b8ca9db2bd..f6cc2b0f75c 100644 --- a/include/asm-avr32/pgtable.h +++ b/include/asm-avr32/pgtable.h @@ -394,10 +394,6 @@ typedef pte_t *pte_addr_t; #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - /* No page table caches to initialize (?) */ #define pgtable_cache_init() do { } while(0) diff --git a/include/asm-blackfin/system.h b/include/asm-blackfin/system.h index 758bac7c1e7..b5bf6e7cb5e 100644 --- a/include/asm-blackfin/system.h +++ b/include/asm-blackfin/system.h @@ -138,7 +138,6 @@ extern unsigned long irq_flags; #endif #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) ((void)xchg((ptr),1)) struct __xchg_dummy { unsigned long a[100]; diff --git a/include/asm-cris/kdebug.h b/include/asm-cris/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-cris/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-frv/atomic.h b/include/asm-frv/atomic.h index 066386ac238..d425d8d0ad7 100644 --- a/include/asm-frv/atomic.h +++ b/include/asm-frv/atomic.h @@ -16,6 +16,7 @@ #include <linux/types.h> #include <asm/spr-regs.h> +#include <asm/system.h> #ifdef CONFIG_SMP #error not SMP safe @@ -258,85 +259,23 @@ extern uint32_t __xchg_32(uint32_t i, volatile void *v); #define tas(ptr) (xchg((ptr), 1)) -/*****************************************************************************/ -/* - * compare and conditionally exchange value with memory - * - if (*ptr == test) then orig = *ptr; *ptr = test; - * - if (*ptr != test) then orig = *ptr; - */ -#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS - -#define cmpxchg(ptr, test, new) \ -({ \ - __typeof__(ptr) __xg_ptr = (ptr); \ - __typeof__(*(ptr)) __xg_orig, __xg_tmp; \ - __typeof__(*(ptr)) __xg_test = (test); \ - __typeof__(*(ptr)) __xg_new = (new); \ - \ - switch (sizeof(__xg_orig)) { \ - case 4: \ - asm volatile( \ - "0: \n" \ - " orcc gr0,gr0,gr0,icc3 \n" \ - " ckeq icc3,cc7 \n" \ - " ld.p %M0,%1 \n" \ - " orcr cc7,cc7,cc3 \n" \ - " sub%I4cc %1,%4,%2,icc0 \n" \ - " bne icc0,#0,1f \n" \ - " cst.p %3,%M0 ,cc3,#1 \n" \ - " corcc gr29,gr29,gr0 ,cc3,#1 \n" \ - " beq icc3,#0,0b \n" \ - "1: \n" \ - : "+U"(*__xg_ptr), "=&r"(__xg_orig), "=&r"(__xg_tmp) \ - : "r"(__xg_new), "NPr"(__xg_test) \ - : "memory", "cc7", "cc3", "icc3", "icc0" \ - ); \ - break; \ - \ - default: \ - __xg_orig = 0; \ - asm volatile("break"); \ - break; \ - } \ - \ - __xg_orig; \ -}) - -#else - -extern uint32_t __cmpxchg_32(uint32_t *v, uint32_t test, uint32_t new); - -#define cmpxchg(ptr, test, new) \ -({ \ - __typeof__(ptr) __xg_ptr = (ptr); \ - __typeof__(*(ptr)) __xg_orig; \ - __typeof__(*(ptr)) __xg_test = (test); \ - __typeof__(*(ptr)) __xg_new = (new); \ - \ - switch (sizeof(__xg_orig)) { \ - case 4: __xg_orig = __cmpxchg_32(__xg_ptr, __xg_test, __xg_new); break; \ - default: \ - __xg_orig = 0; \ - asm volatile("break"); \ - break; \ - } \ - \ - __xg_orig; \ -}) - -#endif - #define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new)) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ - c = old; \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) diff --git a/include/asm-frv/kdebug.h b/include/asm-frv/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-frv/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-frv/pgtable.h b/include/asm-frv/pgtable.h index 8a05aa16861..2687c771512 100644 --- a/include/asm-frv/pgtable.h +++ b/include/asm-frv/pgtable.h @@ -509,10 +509,6 @@ static inline int pte_file(pte_t pte) #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY #define __HAVE_ARCH_PTEP_GET_AND_CLEAR diff --git a/include/asm-frv/semaphore.h b/include/asm-frv/semaphore.h index 907c5c3643c..09586528e00 100644 --- a/include/asm-frv/semaphore.h +++ b/include/asm-frv/semaphore.h @@ -20,8 +20,6 @@ #include <linux/spinlock.h> #include <linux/rwsem.h> -#define SEMAPHORE_DEBUG 0 - /* * the semaphore definition * - if counter is >0 then there are tokens available on the semaphore for down to collect @@ -32,12 +30,12 @@ struct semaphore { unsigned counter; spinlock_t wait_lock; struct list_head wait_list; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE unsigned __magic; #endif }; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE # define __SEM_DEBUG_INIT(name) , (long)&(name).__magic #else # define __SEM_DEBUG_INIT(name) @@ -76,7 +74,7 @@ static inline void down(struct semaphore *sem) { unsigned long flags; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE CHECK_MAGIC(sem->__magic); #endif @@ -95,7 +93,7 @@ static inline int down_interruptible(struct semaphore *sem) unsigned long flags; int ret = 0; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE CHECK_MAGIC(sem->__magic); #endif @@ -119,7 +117,7 @@ static inline int down_trylock(struct semaphore *sem) unsigned long flags; int success = 0; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE CHECK_MAGIC(sem->__magic); #endif @@ -136,7 +134,7 @@ static inline void up(struct semaphore *sem) { unsigned long flags; -#if SEMAPHORE_DEBUG +#ifdef CONFIG_DEBUG_SEMAPHORE CHECK_MAGIC(sem->__magic); #endif diff --git a/include/asm-frv/system.h b/include/asm-frv/system.h index 1166899317d..be303b3eef4 100644 --- a/include/asm-frv/system.h +++ b/include/asm-frv/system.h @@ -13,7 +13,6 @@ #define _ASM_SYSTEM_H #include <linux/linkage.h> -#include <asm/atomic.h> struct thread_struct; @@ -197,4 +196,73 @@ extern void free_initmem(void); #define arch_align_stack(x) (x) +/*****************************************************************************/ +/* + * compare and conditionally exchange value with memory + * - if (*ptr == test) then orig = *ptr; *ptr = test; + * - if (*ptr != test) then orig = *ptr; + */ +#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS + +#define cmpxchg(ptr, test, new) \ +({ \ + __typeof__(ptr) __xg_ptr = (ptr); \ + __typeof__(*(ptr)) __xg_orig, __xg_tmp; \ + __typeof__(*(ptr)) __xg_test = (test); \ + __typeof__(*(ptr)) __xg_new = (new); \ + \ + switch (sizeof(__xg_orig)) { \ + case 4: \ + asm volatile( \ + "0: \n" \ + " orcc gr0,gr0,gr0,icc3 \n" \ + " ckeq icc3,cc7 \n" \ + " ld.p %M0,%1 \n" \ + " orcr cc7,cc7,cc3 \n" \ + " sub%I4cc %1,%4,%2,icc0 \n" \ + " bne icc0,#0,1f \n" \ + " cst.p %3,%M0 ,cc3,#1 \n" \ + " corcc gr29,gr29,gr0 ,cc3,#1 \n" \ + " beq icc3,#0,0b \n" \ + "1: \n" \ + : "+U"(*__xg_ptr), "=&r"(__xg_orig), "=&r"(__xg_tmp) \ + : "r"(__xg_new), "NPr"(__xg_test) \ + : "memory", "cc7", "cc3", "icc3", "icc0" \ + ); \ + break; \ + \ + default: \ + __xg_orig = 0; \ + asm volatile("break"); \ + break; \ + } \ + \ + __xg_orig; \ +}) + +#else + +extern uint32_t __cmpxchg_32(uint32_t *v, uint32_t test, uint32_t new); + +#define cmpxchg(ptr, test, new) \ +({ \ + __typeof__(ptr) __xg_ptr = (ptr); \ + __typeof__(*(ptr)) __xg_orig; \ + __typeof__(*(ptr)) __xg_test = (test); \ + __typeof__(*(ptr)) __xg_new = (new); \ + \ + switch (sizeof(__xg_orig)) { \ + case 4: __xg_orig = __cmpxchg_32(__xg_ptr, __xg_test, __xg_new); break; \ + default: \ + __xg_orig = 0; \ + asm volatile("break"); \ + break; \ + } \ + \ + __xg_orig; \ +}) + +#endif + + #endif /* _ASM_SYSTEM_H */ diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h index b7e4a0467cb..85fd0aa27a8 100644 --- a/include/asm-generic/atomic.h +++ b/include/asm-generic/atomic.h @@ -66,6 +66,76 @@ static inline void atomic_long_sub(long i, atomic_long_t *l) atomic64_sub(i, v); } +static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return atomic64_sub_and_test(i, v); +} + +static inline int atomic_long_dec_and_test(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return atomic64_dec_and_test(v); +} + +static inline int atomic_long_inc_and_test(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return atomic64_inc_and_test(v); +} + +static inline int atomic_long_add_negative(long i, atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return atomic64_add_negative(i, v); +} + +static inline long atomic_long_add_return(long i, atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_add_return(i, v); +} + +static inline long atomic_long_sub_return(long i, atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_sub_return(i, v); +} + +static inline long atomic_long_inc_return(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_inc_return(v); +} + +static inline long atomic_long_dec_return(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_dec_return(v); +} + +static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_add_unless(v, a, u); +} + +#define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l)) + +#define atomic_long_cmpxchg(l, old, new) \ + (atomic_cmpxchg((atomic64_t *)(l), (old), (new))) +#define atomic_long_xchg(v, new) \ + (atomic_xchg((atomic64_t *)(l), (new))) + #else /* BITS_PER_LONG == 64 */ typedef atomic_t atomic_long_t; @@ -113,6 +183,76 @@ static inline void atomic_long_sub(long i, atomic_long_t *l) atomic_sub(i, v); } +static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return atomic_sub_and_test(i, v); +} + +static inline int atomic_long_dec_and_test(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return atomic_dec_and_test(v); +} + +static inline int atomic_long_inc_and_test(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return atomic_inc_and_test(v); +} + +static inline int atomic_long_add_negative(long i, atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return atomic_add_negative(i, v); +} + +static inline long atomic_long_add_return(long i, atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_add_return(i, v); +} + +static inline long atomic_long_sub_return(long i, atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_sub_return(i, v); +} + +static inline long atomic_long_inc_return(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_inc_return(v); +} + +static inline long atomic_long_dec_return(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_dec_return(v); +} + +static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_add_unless(v, a, u); +} + +#define atomic_long_inc_not_zero(l) atomic_inc_not_zero((atomic_t *)(l)) + +#define atomic_long_cmpxchg(l, old, new) \ + (atomic_cmpxchg((atomic_t *)(l), (old), (new))) +#define atomic_long_xchg(v, new) \ + (atomic_xchg((atomic_t *)(l), (new))) + #endif /* BITS_PER_LONG == 64 */ #endif /* _ASM_GENERIC_ATOMIC_H */ diff --git a/include/asm-generic/kdebug.h b/include/asm-generic/kdebug.h new file mode 100644 index 00000000000..2b799c90b2d --- /dev/null +++ b/include/asm-generic/kdebug.h @@ -0,0 +1,8 @@ +#ifndef _ASM_GENERIC_KDEBUG_H +#define _ASM_GENERIC_KDEBUG_H + +enum die_val { + DIE_UNUSED, +}; + +#endif /* _ASM_GENERIC_KDEBUG_H */ diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h index ab469297272..33d7d04e411 100644 --- a/include/asm-generic/local.h +++ b/include/asm-generic/local.h @@ -33,6 +33,19 @@ typedef struct #define local_add(i,l) atomic_long_add((i),(&(l)->a)) #define local_sub(i,l) atomic_long_sub((i),(&(l)->a)) +#define local_sub_and_test(i, l) atomic_long_sub_and_test((i), (&(l)->a)) +#define local_dec_and_test(l) atomic_long_dec_and_test(&(l)->a) +#define local_inc_and_test(l) atomic_long_inc_and_test(&(l)->a) +#define local_add_negative(i, l) atomic_long_add_negative((i), (&(l)->a)) +#define local_add_return(i, l) atomic_long_add_return((i), (&(l)->a)) +#define local_sub_return(i, l) atomic_long_sub_return((i), (&(l)->a)) +#define local_inc_return(l) atomic_long_inc_return(&(l)->a) + +#define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n)) +#define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n)) +#define local_add_unless(l, a, u) atomic_long_add_unless((&(l)->a), (a), (u)) +#define local_inc_not_zero(l) atomic_long_inc_not_zero(&(l)->a) + /* Non-atomic variants, ie. preemption disabled and won't be touched * in interrupt, etc. Some archs can optimize this case well. */ #define __local_inc(l) local_set((l), local_read(l) + 1) @@ -44,19 +57,19 @@ typedef struct * much more efficient than these naive implementations. Note they take * a variable (eg. mystruct.foo), not an address. */ -#define cpu_local_read(v) local_read(&__get_cpu_var(v)) -#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i)) -#define cpu_local_inc(v) local_inc(&__get_cpu_var(v)) -#define cpu_local_dec(v) local_dec(&__get_cpu_var(v)) -#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v)) -#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v)) +#define cpu_local_read(l) local_read(&__get_cpu_var(l)) +#define cpu_local_set(l, i) local_set(&__get_cpu_var(l), (i)) +#define cpu_local_inc(l) local_inc(&__get_cpu_var(l)) +#define cpu_local_dec(l) local_dec(&__get_cpu_var(l)) +#define cpu_local_add(i, l) local_add((i), &__get_cpu_var(l)) +#define cpu_local_sub(i, l) local_sub((i), &__get_cpu_var(l)) /* Non-atomic increments, ie. preemption disabled and won't be touched * in interrupt, etc. Some archs can optimize this case well. */ -#define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v)) -#define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v)) -#define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v)) -#define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v)) +#define __cpu_local_inc(l) __local_inc(&__get_cpu_var(l)) +#define __cpu_local_dec(l) __local_dec(&__get_cpu_var(l)) +#define __cpu_local_add(i, l) __local_add((i), &__get_cpu_var(l)) +#define __cpu_local_sub(i, l) __local_sub((i), &__get_cpu_var(l)) #endif /* _ASM_GENERIC_LOCAL_H */ diff --git a/include/asm-h8300/kdebug.h b/include/asm-h8300/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-h8300/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-h8300/pgtable.h b/include/asm-h8300/pgtable.h index ddd07f485dd..a09230a08e0 100644 --- a/include/asm-h8300/pgtable.h +++ b/include/asm-h8300/pgtable.h @@ -55,10 +55,6 @@ extern int is_in_rom(unsigned long); #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - /* * All 32bit addresses are effectively valid for vmalloc... * Sort of meaningless for non-VM targets. diff --git a/include/asm-h8300/system.h b/include/asm-h8300/system.h index 5084a9d4292..7807018f850 100644 --- a/include/asm-h8300/system.h +++ b/include/asm-h8300/system.h @@ -98,7 +98,6 @@ asmlinkage void resume(void); #endif #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) struct __xchg_dummy { unsigned long a[100]; }; #define __xg(x) ((volatile struct __xchg_dummy *)(x)) diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h index 4dd27233136..0baa2f89463 100644 --- a/include/asm-i386/atomic.h +++ b/include/asm-i386/atomic.h @@ -3,6 +3,7 @@ #include <linux/compiler.h> #include <asm/processor.h> +#include <asm/cmpxchg.h> /* * Atomic operations that C can't guarantee us. Useful for @@ -51,7 +52,7 @@ static __inline__ void atomic_add(int i, atomic_t *v) } /** - * atomic_sub - subtract the atomic variable + * atomic_sub - subtract integer from atomic variable * @i: integer value to subtract * @v: pointer of type atomic_t * @@ -170,7 +171,7 @@ static __inline__ int atomic_add_negative(int i, atomic_t *v) } /** - * atomic_add_return - add and return + * atomic_add_return - add integer and return * @v: pointer of type atomic_t * @i: integer value to add * @@ -202,13 +203,20 @@ no_xadd: /* Legacy 386 processor */ #endif } +/** + * atomic_sub_return - subtract integer and return + * @v: pointer of type atomic_t + * @i: integer value to subtract + * + * Atomically subtracts @i from @v and returns @v - @i + */ static __inline__ int atomic_sub_return(int i, atomic_t *v) { return atomic_add_return(-i,v); } -#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new)) -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) +#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) +#define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) /** * atomic_add_unless - add unless the number is already a given value @@ -219,20 +227,21 @@ static __inline__ int atomic_sub_return(int i, atomic_t *v) * Atomically adds @a to @v, so long as @v was not already @u. * Returns non-zero if @v was not @u, and zero otherwise. */ -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - for (;;) { \ - if (unlikely(c == (u))) \ - break; \ - old = atomic_cmpxchg((v), c, c + (a)); \ - if (likely(old == c)) \ - break; \ - c = old; \ - } \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) #define atomic_inc_return(v) (atomic_add_return(1,v)) diff --git a/include/asm-i386/cmpxchg.h b/include/asm-i386/cmpxchg.h new file mode 100644 index 00000000000..7adcef0cd53 --- /dev/null +++ b/include/asm-i386/cmpxchg.h @@ -0,0 +1,293 @@ +#ifndef __ASM_CMPXCHG_H +#define __ASM_CMPXCHG_H + +#include <linux/bitops.h> /* for LOCK_PREFIX */ + +#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr)))) + +struct __xchg_dummy { unsigned long a[100]; }; +#define __xg(x) ((struct __xchg_dummy *)(x)) + + +#ifdef CONFIG_X86_CMPXCHG64 + +/* + * The semantics of XCHGCMP8B are a bit strange, this is why + * there is a loop and the loading of %%eax and %%edx has to + * be inside. This inlines well in most cases, the cached + * cost is around ~38 cycles. (in the future we might want + * to do an SIMD/3DNOW!/MMX/FPU 64-bit store here, but that + * might have an implicit FPU-save as a cost, so it's not + * clear which path to go.) + * + * cmpxchg8b must be used with the lock prefix here to allow + * the instruction to be executed atomically, see page 3-102 + * of the instruction set reference 24319102.pdf. We need + * the reader side to see the coherent 64bit value. + */ +static inline void __set_64bit (unsigned long long * ptr, + unsigned int low, unsigned int high) +{ + __asm__ __volatile__ ( + "\n1:\t" + "movl (%0), %%eax\n\t" + "movl 4(%0), %%edx\n\t" + "lock cmpxchg8b (%0)\n\t" + "jnz 1b" + : /* no outputs */ + : "D"(ptr), + "b"(low), + "c"(high) + : "ax","dx","memory"); +} + +static inline void __set_64bit_constant (unsigned long long *ptr, + unsigned long long value) +{ + __set_64bit(ptr,(unsigned int)(value), (unsigned int)((value)>>32ULL)); +} +#define ll_low(x) *(((unsigned int*)&(x))+0) +#define ll_high(x) *(((unsigned int*)&(x))+1) + +static inline void __set_64bit_var (unsigned long long *ptr, + unsigned long long value) +{ + __set_64bit(ptr,ll_low(value), ll_high(value)); +} + +#define set_64bit(ptr,value) \ +(__builtin_constant_p(value) ? \ + __set_64bit_constant(ptr, value) : \ + __set_64bit_var(ptr, value) ) + +#define _set_64bit(ptr,value) \ +(__builtin_constant_p(value) ? \ + __set_64bit(ptr, (unsigned int)(value), (unsigned int)((value)>>32ULL) ) : \ + __set_64bit(ptr, ll_low(value), ll_high(value)) ) + +#endif + +/* + * Note: no "lock" prefix even on SMP: xchg always implies lock anyway + * Note 2: xchg has side effect, so that attribute volatile is necessary, + * but generally the primitive is invalid, *ptr is output argument. --ANK + */ +static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) +{ + switch (size) { + case 1: + __asm__ __volatile__("xchgb %b0,%1" + :"=q" (x) + :"m" (*__xg(ptr)), "0" (x) + :"memory"); + break; + case 2: + __asm__ __volatile__("xchgw %w0,%1" + :"=r" (x) + :"m" (*__xg(ptr)), "0" (x) + :"memory"); + break; + case 4: + __asm__ __volatile__("xchgl %0,%1" + :"=r" (x) + :"m" (*__xg(ptr)), "0" (x) + :"memory"); + break; + } + return x; +} + +/* + * Atomic compare and exchange. Compare OLD with MEM, if identical, + * store NEW in MEM. Return the initial value in MEM. Success is + * indicated by comparing RETURN with OLD. + */ + +#ifdef CONFIG_X86_CMPXCHG +#define __HAVE_ARCH_CMPXCHG 1 +#define cmpxchg(ptr,o,n)\ + ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ + (unsigned long)(n),sizeof(*(ptr)))) +#define sync_cmpxchg(ptr,o,n)\ + ((__typeof__(*(ptr)))__sync_cmpxchg((ptr),(unsigned long)(o),\ + (unsigned long)(n),sizeof(*(ptr)))) +#define cmpxchg_local(ptr,o,n)\ + ((__typeof__(*(ptr)))__cmpxchg_local((ptr),(unsigned long)(o),\ + (unsigned long)(n),sizeof(*(ptr)))) +#endif + +static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, + unsigned long new, int size) +{ + unsigned long prev; + switch (size) { + case 1: + __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2" + : "=a"(prev) + : "q"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 2: + __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 4: + __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + } + return old; +} + +/* + * Always use locked operations when touching memory shared with a + * hypervisor, since the system may be SMP even if the guest kernel + * isn't. + */ +static inline unsigned long __sync_cmpxchg(volatile void *ptr, + unsigned long old, + unsigned long new, int size) +{ + unsigned long prev; + switch (size) { + case 1: + __asm__ __volatile__("lock; cmpxchgb %b1,%2" + : "=a"(prev) + : "q"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 2: + __asm__ __volatile__("lock; cmpxchgw %w1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 4: + __asm__ __volatile__("lock; cmpxchgl %1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + } + return old; +} + +static inline unsigned long __cmpxchg_local(volatile void *ptr, + unsigned long old, unsigned long new, int size) +{ + unsigned long prev; + switch (size) { + case 1: + __asm__ __volatile__("cmpxchgb %b1,%2" + : "=a"(prev) + : "q"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 2: + __asm__ __volatile__("cmpxchgw %w1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 4: + __asm__ __volatile__("cmpxchgl %1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + } + return old; +} + +#ifndef CONFIG_X86_CMPXCHG +/* + * Building a kernel capable running on 80386. It may be necessary to + * simulate the cmpxchg on the 80386 CPU. For that purpose we define + * a function for each of the sizes we support. + */ + +extern unsigned long cmpxchg_386_u8(volatile void *, u8, u8); +extern unsigned long cmpxchg_386_u16(volatile void *, u16, u16); +extern unsigned long cmpxchg_386_u32(volatile void *, u32, u32); + +static inline unsigned long cmpxchg_386(volatile void *ptr, unsigned long old, + unsigned long new, int size) +{ + switch (size) { + case 1: + return cmpxchg_386_u8(ptr, old, new); + case 2: + return cmpxchg_386_u16(ptr, old, new); + case 4: + return cmpxchg_386_u32(ptr, old, new); + } + return old; +} + +#define cmpxchg(ptr,o,n) \ +({ \ + __typeof__(*(ptr)) __ret; \ + if (likely(boot_cpu_data.x86 > 3)) \ + __ret = __cmpxchg((ptr), (unsigned long)(o), \ + (unsigned long)(n), sizeof(*(ptr))); \ + else \ + __ret = cmpxchg_386((ptr), (unsigned long)(o), \ + (unsigned long)(n), sizeof(*(ptr))); \ + __ret; \ +}) +#define cmpxchg_local(ptr,o,n) \ +({ \ + __typeof__(*(ptr)) __ret; \ + if (likely(boot_cpu_data.x86 > 3)) \ + __ret = __cmpxchg_local((ptr), (unsigned long)(o), \ + (unsigned long)(n), sizeof(*(ptr))); \ + else \ + __ret = cmpxchg_386((ptr), (unsigned long)(o), \ + (unsigned long)(n), sizeof(*(ptr))); \ + __ret; \ +}) +#endif + +#ifdef CONFIG_X86_CMPXCHG64 + +static inline unsigned long long __cmpxchg64(volatile void *ptr, unsigned long long old, + unsigned long long new) +{ + unsigned long long prev; + __asm__ __volatile__(LOCK_PREFIX "cmpxchg8b %3" + : "=A"(prev) + : "b"((unsigned long)new), + "c"((unsigned long)(new >> 32)), + "m"(*__xg(ptr)), + "0"(old) + : "memory"); + return prev; +} + +static inline unsigned long long __cmpxchg64_local(volatile void *ptr, + unsigned long long old, unsigned long long new) +{ + unsigned long long prev; + __asm__ __volatile__("cmpxchg8b %3" + : "=A"(prev) + : "b"((unsigned long)new), + "c"((unsigned long)(new >> 32)), + "m"(*__xg(ptr)), + "0"(old) + : "memory"); + return prev; +} + +#define cmpxchg64(ptr,o,n)\ + ((__typeof__(*(ptr)))__cmpxchg64((ptr),(unsigned long long)(o),\ + (unsigned long long)(n))) +#define cmpxchg64_local(ptr,o,n)\ + ((__typeof__(*(ptr)))__cmpxchg64_local((ptr),(unsigned long long)(o),\ + (unsigned long long)(n))) +#endif + +#endif diff --git a/include/asm-i386/elf.h b/include/asm-i386/elf.h index d304ab4161f..b32df3a332d 100644 --- a/include/asm-i386/elf.h +++ b/include/asm-i386/elf.h @@ -9,8 +9,6 @@ #include <asm/user.h> #include <asm/auxvec.h> -#include <linux/utsname.h> - #define R_386_NONE 0 #define R_386_32 1 #define R_386_PC32 2 diff --git a/include/asm-i386/ioctls.h b/include/asm-i386/ioctls.h index f962fadab0f..ef5878762dc 100644 --- a/include/asm-i386/ioctls.h +++ b/include/asm-i386/ioctls.h @@ -47,6 +47,10 @@ #define TIOCSBRK 0x5427 /* BSD compatibility */ #define TIOCCBRK 0x5428 /* BSD compatibility */ #define TIOCGSID 0x5429 /* Return the session ID of FD */ +#define TCGETS2 _IOR('T',0x2A, struct termios2) +#define TCSETS2 _IOW('T',0x2B, struct termios2) +#define TCSETSW2 _IOW('T',0x2C, struct termios2) +#define TCSETSF2 _IOW('T',0x2D, struct termios2) #define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ diff --git a/include/asm-i386/kdebug.h b/include/asm-i386/kdebug.h index d18cdb9fc9a..05c3117788b 100644 --- a/include/asm-i386/kdebug.h +++ b/include/asm-i386/kdebug.h @@ -9,19 +9,8 @@ struct pt_regs; -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); extern int register_page_fault_notifier(struct notifier_block *); extern int unregister_page_fault_notifier(struct notifier_block *); -extern struct atomic_notifier_head i386die_chain; /* Grossly misnamed. */ @@ -38,20 +27,8 @@ enum die_val { DIE_GPF, DIE_CALL, DIE_NMI_IPI, + DIE_NMI_POST, DIE_PAGE_FAULT, }; -static inline int notify_die(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - return atomic_notifier_call_chain(&i386die_chain, val, &args); -} - #endif diff --git a/include/asm-i386/kexec.h b/include/asm-i386/kexec.h index bcb5b21de2d..4b9dc9e6b70 100644 --- a/include/asm-i386/kexec.h +++ b/include/asm-i386/kexec.h @@ -45,8 +45,6 @@ /* We can also handle crash dumps from 64 bit kernel. */ #define vmcore_elf_check_arch_cross(x) ((x)->e_machine == EM_X86_64) -#define MAX_NOTE_BYTES 1024 - /* CPU does not save ss and esp on stack if execution is already * running in kernel mode at the time of NMI occurrence. This code * fixes it. diff --git a/include/asm-i386/local.h b/include/asm-i386/local.h index 12060e22f7e..e13d3e98823 100644 --- a/include/asm-i386/local.h +++ b/include/asm-i386/local.h @@ -2,47 +2,198 @@ #define _ARCH_I386_LOCAL_H #include <linux/percpu.h> +#include <asm/system.h> +#include <asm/atomic.h> typedef struct { - volatile long counter; + atomic_long_t a; } local_t; -#define LOCAL_INIT(i) { (i) } +#define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } -#define local_read(v) ((v)->counter) -#define local_set(v,i) (((v)->counter) = (i)) +#define local_read(l) atomic_long_read(&(l)->a) +#define local_set(l,i) atomic_long_set(&(l)->a, (i)) -static __inline__ void local_inc(local_t *v) +static __inline__ void local_inc(local_t *l) { __asm__ __volatile__( "incl %0" - :"+m" (v->counter)); + :"+m" (l->a.counter)); } -static __inline__ void local_dec(local_t *v) +static __inline__ void local_dec(local_t *l) { __asm__ __volatile__( "decl %0" - :"+m" (v->counter)); + :"+m" (l->a.counter)); } -static __inline__ void local_add(long i, local_t *v) +static __inline__ void local_add(long i, local_t *l) { __asm__ __volatile__( "addl %1,%0" - :"+m" (v->counter) + :"+m" (l->a.counter) :"ir" (i)); } -static __inline__ void local_sub(long i, local_t *v) +static __inline__ void local_sub(long i, local_t *l) { __asm__ __volatile__( "subl %1,%0" - :"+m" (v->counter) + :"+m" (l->a.counter) :"ir" (i)); } +/** + * local_sub_and_test - subtract value from variable and test result + * @i: integer value to subtract + * @l: pointer of type local_t + * + * Atomically subtracts @i from @l and returns + * true if the result is zero, or false for all + * other cases. + */ +static __inline__ int local_sub_and_test(long i, local_t *l) +{ + unsigned char c; + + __asm__ __volatile__( + "subl %2,%0; sete %1" + :"+m" (l->a.counter), "=qm" (c) + :"ir" (i) : "memory"); + return c; +} + +/** + * local_dec_and_test - decrement and test + * @l: pointer of type local_t + * + * Atomically decrements @l by 1 and + * returns true if the result is 0, or false for all other + * cases. + */ +static __inline__ int local_dec_and_test(local_t *l) +{ + unsigned char c; + + __asm__ __volatile__( + "decl %0; sete %1" + :"+m" (l->a.counter), "=qm" (c) + : : "memory"); + return c != 0; +} + +/** + * local_inc_and_test - increment and test + * @l: pointer of type local_t + * + * Atomically increments @l by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +static __inline__ int local_inc_and_test(local_t *l) +{ + unsigned char c; + + __asm__ __volatile__( + "incl %0; sete %1" + :"+m" (l->a.counter), "=qm" (c) + : : "memory"); + return c != 0; +} + +/** + * local_add_negative - add and test if negative + * @l: pointer of type local_t + * @i: integer value to add + * + * Atomically adds @i to @l and returns true + * if the result is negative, or false when + * result is greater than or equal to zero. + */ +static __inline__ int local_add_negative(long i, local_t *l) +{ + unsigned char c; + + __asm__ __volatile__( + "addl %2,%0; sets %1" + :"+m" (l->a.counter), "=qm" (c) + :"ir" (i) : "memory"); + return c; +} + +/** + * local_add_return - add and return + * @l: pointer of type local_t + * @i: integer value to add + * + * Atomically adds @i to @l and returns @i + @l + */ +static __inline__ long local_add_return(long i, local_t *l) +{ + long __i; +#ifdef CONFIG_M386 + unsigned long flags; + if(unlikely(boot_cpu_data.x86==3)) + goto no_xadd; +#endif + /* Modern 486+ processor */ + __i = i; + __asm__ __volatile__( + "xaddl %0, %1;" + :"+r" (i), "+m" (l->a.counter) + : : "memory"); + return i + __i; + +#ifdef CONFIG_M386 +no_xadd: /* Legacy 386 processor */ + local_irq_save(flags); + __i = local_read(l); + local_set(l, i + __i); + local_irq_restore(flags); + return i + __i; +#endif +} + +static __inline__ long local_sub_return(long i, local_t *l) +{ + return local_add_return(-i,l); +} + +#define local_inc_return(l) (local_add_return(1,l)) +#define local_dec_return(l) (local_sub_return(1,l)) + +#define local_cmpxchg(l, o, n) \ + (cmpxchg_local(&((l)->a.counter), (o), (n))) +/* Always has a lock prefix */ +#define local_xchg(l, n) (xchg(&((l)->a.counter), (n))) + +/** + * local_add_unless - add unless the number is a given value + * @l: pointer of type local_t + * @a: the amount to add to l... + * @u: ...unless l is equal to u. + * + * Atomically adds @a to @l, so long as it was not @u. + * Returns non-zero if @l was not @u, and zero otherwise. + */ +#define local_add_unless(l, a, u) \ +({ \ + long c, old; \ + c = local_read(l); \ + for (;;) { \ + if (unlikely(c == (u))) \ + break; \ + old = local_cmpxchg((l), c, c + (a)); \ + if (likely(old == c)) \ + break; \ + c = old; \ + } \ + c != (u); \ +}) +#define local_inc_not_zero(l) local_add_unless((l), 1, 0) + /* On x86, these are no better than the atomic variants. */ #define __local_inc(l) local_inc(l) #define __local_dec(l) local_dec(l) @@ -56,27 +207,27 @@ static __inline__ void local_sub(long i, local_t *v) /* Need to disable preemption for the cpu local counters otherwise we could still access a variable of a previous CPU in a non atomic way. */ -#define cpu_local_wrap_v(v) \ +#define cpu_local_wrap_v(l) \ ({ local_t res__; \ preempt_disable(); \ - res__ = (v); \ + res__ = (l); \ preempt_enable(); \ res__; }) -#define cpu_local_wrap(v) \ +#define cpu_local_wrap(l) \ ({ preempt_disable(); \ - v; \ + l; \ preempt_enable(); }) \ -#define cpu_local_read(v) cpu_local_wrap_v(local_read(&__get_cpu_var(v))) -#define cpu_local_set(v, i) cpu_local_wrap(local_set(&__get_cpu_var(v), (i))) -#define cpu_local_inc(v) cpu_local_wrap(local_inc(&__get_cpu_var(v))) -#define cpu_local_dec(v) cpu_local_wrap(local_dec(&__get_cpu_var(v))) -#define cpu_local_add(i, v) cpu_local_wrap(local_add((i), &__get_cpu_var(v))) -#define cpu_local_sub(i, v) cpu_local_wrap(local_sub((i), &__get_cpu_var(v))) - -#define __cpu_local_inc(v) cpu_local_inc(v) -#define __cpu_local_dec(v) cpu_local_dec(v) -#define __cpu_local_add(i, v) cpu_local_add((i), (v)) -#define __cpu_local_sub(i, v) cpu_local_sub((i), (v)) +#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var(l))) +#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var(l), (i))) +#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var(l))) +#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var(l))) +#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var(l))) +#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var(l))) + +#define __cpu_local_inc(l) cpu_local_inc(l) +#define __cpu_local_dec(l) cpu_local_dec(l) +#define __cpu_local_add(i, l) cpu_local_add((i), (l)) +#define __cpu_local_sub(i, l) cpu_local_sub((i), (l)) #endif /* _ARCH_I386_LOCAL_H */ diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h index e16359f81a4..edce9d51a67 100644 --- a/include/asm-i386/pgtable.h +++ b/include/asm-i386/pgtable.h @@ -243,8 +243,6 @@ static inline pte_t pte_mkyoung(pte_t pte) { (pte).pte_low |= _PAGE_ACCESSED; re static inline pte_t pte_mkwrite(pte_t pte) { (pte).pte_low |= _PAGE_RW; return pte; } static inline pte_t pte_mkhuge(pte_t pte) { (pte).pte_low |= _PAGE_PSE; return pte; } -extern void vmalloc_sync_all(void); - #ifdef CONFIG_X86_PAE # include <asm/pgtable-3level.h> #else @@ -544,10 +542,6 @@ static inline void paravirt_pagetable_setup_done(pgd_t *base) #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - #include <asm-generic/pgtable.h> #endif /* _I386_PGTABLE_H */ diff --git a/include/asm-i386/serial.h b/include/asm-i386/serial.h index bd67480ca10..57a4306cdf6 100644 --- a/include/asm-i386/serial.h +++ b/include/asm-i386/serial.h @@ -11,19 +11,3 @@ * megabits/second; but this requires the faster clock. */ #define BASE_BAUD ( 1843200 / 16 ) - -/* Standard COM flags (except for COM4, because of the 8514 problem) */ -#ifdef CONFIG_SERIAL_DETECT_IRQ -#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) -#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) -#else -#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) -#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF -#endif - -#define SERIAL_PORT_DFNS \ - /* UART CLK PORT IRQ FLAGS */ \ - { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ - { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ - { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ - { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h index c3a58c08c49..94ed3686a5f 100644 --- a/include/asm-i386/system.h +++ b/include/asm-i386/system.h @@ -4,7 +4,7 @@ #include <linux/kernel.h> #include <asm/segment.h> #include <asm/cpufeature.h> -#include <linux/bitops.h> /* for LOCK_PREFIX */ +#include <asm/cmpxchg.h> #ifdef __KERNEL__ @@ -195,238 +195,6 @@ static inline unsigned long get_limit(unsigned long segment) #define nop() __asm__ __volatile__ ("nop") -#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr)))) - -#define tas(ptr) (xchg((ptr),1)) - -struct __xchg_dummy { unsigned long a[100]; }; -#define __xg(x) ((struct __xchg_dummy *)(x)) - - -#ifdef CONFIG_X86_CMPXCHG64 - -/* - * The semantics of XCHGCMP8B are a bit strange, this is why - * there is a loop and the loading of %%eax and %%edx has to - * be inside. This inlines well in most cases, the cached - * cost is around ~38 cycles. (in the future we might want - * to do an SIMD/3DNOW!/MMX/FPU 64-bit store here, but that - * might have an implicit FPU-save as a cost, so it's not - * clear which path to go.) - * - * cmpxchg8b must be used with the lock prefix here to allow - * the instruction to be executed atomically, see page 3-102 - * of the instruction set reference 24319102.pdf. We need - * the reader side to see the coherent 64bit value. - */ -static inline void __set_64bit (unsigned long long * ptr, - unsigned int low, unsigned int high) -{ - __asm__ __volatile__ ( - "\n1:\t" - "movl (%0), %%eax\n\t" - "movl 4(%0), %%edx\n\t" - "lock cmpxchg8b (%0)\n\t" - "jnz 1b" - : /* no outputs */ - : "D"(ptr), - "b"(low), - "c"(high) - : "ax","dx","memory"); -} - -static inline void __set_64bit_constant (unsigned long long *ptr, - unsigned long long value) -{ - __set_64bit(ptr,(unsigned int)(value), (unsigned int)((value)>>32ULL)); -} -#define ll_low(x) *(((unsigned int*)&(x))+0) -#define ll_high(x) *(((unsigned int*)&(x))+1) - -static inline void __set_64bit_var (unsigned long long *ptr, - unsigned long long value) -{ - __set_64bit(ptr,ll_low(value), ll_high(value)); -} - -#define set_64bit(ptr,value) \ -(__builtin_constant_p(value) ? \ - __set_64bit_constant(ptr, value) : \ - __set_64bit_var(ptr, value) ) - -#define _set_64bit(ptr,value) \ -(__builtin_constant_p(value) ? \ - __set_64bit(ptr, (unsigned int)(value), (unsigned int)((value)>>32ULL) ) : \ - __set_64bit(ptr, ll_low(value), ll_high(value)) ) - -#endif - -/* - * Note: no "lock" prefix even on SMP: xchg always implies lock anyway - * Note 2: xchg has side effect, so that attribute volatile is necessary, - * but generally the primitive is invalid, *ptr is output argument. --ANK - */ -static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) -{ - switch (size) { - case 1: - __asm__ __volatile__("xchgb %b0,%1" - :"=q" (x) - :"m" (*__xg(ptr)), "0" (x) - :"memory"); - break; - case 2: - __asm__ __volatile__("xchgw %w0,%1" - :"=r" (x) - :"m" (*__xg(ptr)), "0" (x) - :"memory"); - break; - case 4: - __asm__ __volatile__("xchgl %0,%1" - :"=r" (x) - :"m" (*__xg(ptr)), "0" (x) - :"memory"); - break; - } - return x; -} - -/* - * Atomic compare and exchange. Compare OLD with MEM, if identical, - * store NEW in MEM. Return the initial value in MEM. Success is - * indicated by comparing RETURN with OLD. - */ - -#ifdef CONFIG_X86_CMPXCHG -#define __HAVE_ARCH_CMPXCHG 1 -#define cmpxchg(ptr,o,n)\ - ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ - (unsigned long)(n),sizeof(*(ptr)))) -#define sync_cmpxchg(ptr,o,n)\ - ((__typeof__(*(ptr)))__sync_cmpxchg((ptr),(unsigned long)(o),\ - (unsigned long)(n),sizeof(*(ptr)))) -#endif - -static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, - unsigned long new, int size) -{ - unsigned long prev; - switch (size) { - case 1: - __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2" - : "=a"(prev) - : "q"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - case 2: - __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2" - : "=a"(prev) - : "r"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - case 4: - __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2" - : "=a"(prev) - : "r"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - } - return old; -} - -/* - * Always use locked operations when touching memory shared with a - * hypervisor, since the system may be SMP even if the guest kernel - * isn't. - */ -static inline unsigned long __sync_cmpxchg(volatile void *ptr, - unsigned long old, - unsigned long new, int size) -{ - unsigned long prev; - switch (size) { - case 1: - __asm__ __volatile__("lock; cmpxchgb %b1,%2" - : "=a"(prev) - : "q"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - case 2: - __asm__ __volatile__("lock; cmpxchgw %w1,%2" - : "=a"(prev) - : "r"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - case 4: - __asm__ __volatile__("lock; cmpxchgl %1,%2" - : "=a"(prev) - : "r"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - } - return old; -} - -#ifndef CONFIG_X86_CMPXCHG -/* - * Building a kernel capable running on 80386. It may be necessary to - * simulate the cmpxchg on the 80386 CPU. For that purpose we define - * a function for each of the sizes we support. - */ - -extern unsigned long cmpxchg_386_u8(volatile void *, u8, u8); -extern unsigned long cmpxchg_386_u16(volatile void *, u16, u16); -extern unsigned long cmpxchg_386_u32(volatile void *, u32, u32); - -static inline unsigned long cmpxchg_386(volatile void *ptr, unsigned long old, - unsigned long new, int size) -{ - switch (size) { - case 1: - return cmpxchg_386_u8(ptr, old, new); - case 2: - return cmpxchg_386_u16(ptr, old, new); - case 4: - return cmpxchg_386_u32(ptr, old, new); - } - return old; -} - -#define cmpxchg(ptr,o,n) \ -({ \ - __typeof__(*(ptr)) __ret; \ - if (likely(boot_cpu_data.x86 > 3)) \ - __ret = __cmpxchg((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr))); \ - else \ - __ret = cmpxchg_386((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr))); \ - __ret; \ -}) -#endif - -#ifdef CONFIG_X86_CMPXCHG64 - -static inline unsigned long long __cmpxchg64(volatile void *ptr, unsigned long long old, - unsigned long long new) -{ - unsigned long long prev; - __asm__ __volatile__(LOCK_PREFIX "cmpxchg8b %3" - : "=A"(prev) - : "b"((unsigned long)new), - "c"((unsigned long)(new >> 32)), - "m"(*__xg(ptr)), - "0"(old) - : "memory"); - return prev; -} - -#define cmpxchg64(ptr,o,n)\ - ((__typeof__(*(ptr)))__cmpxchg64((ptr),(unsigned long long)(o),\ - (unsigned long long)(n))) - -#endif - /* * Force strict CPU ordering. * And yes, this is required on UP too when we're talking diff --git a/include/asm-i386/termbits.h b/include/asm-i386/termbits.h index 2e623769381..a21700352e7 100644 --- a/include/asm-i386/termbits.h +++ b/include/asm-i386/termbits.h @@ -17,6 +17,17 @@ struct termios { cc_t c_cc[NCCS]; /* control characters */ }; +struct termios2 { + tcflag_t c_iflag; /* input mode flags */ + tcflag_t c_oflag; /* output mode flags */ + tcflag_t c_cflag; /* control mode flags */ + tcflag_t c_lflag; /* local mode flags */ + cc_t c_line; /* line discipline */ + cc_t c_cc[NCCS]; /* control characters */ + speed_t c_ispeed; /* input speed */ + speed_t c_ospeed; /* output speed */ +}; + struct ktermios { tcflag_t c_iflag; /* input mode flags */ tcflag_t c_oflag; /* output mode flags */ @@ -129,6 +140,7 @@ struct ktermios { #define HUPCL 0002000 #define CLOCAL 0004000 #define CBAUDEX 0010000 +#define BOTHER 0010000 #define B57600 0010001 #define B115200 0010002 #define B230400 0010003 @@ -148,6 +160,8 @@ struct ktermios { #define CMSPAR 010000000000 /* mark or space (stick) parity */ #define CRTSCTS 020000000000 /* flow control */ +#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */ + /* c_lflag bits */ #define ISIG 0000001 #define ICANON 0000002 diff --git a/include/asm-i386/termios.h b/include/asm-i386/termios.h index 7c99678a8f8..f520b7c16fa 100644 --- a/include/asm-i386/termios.h +++ b/include/asm-i386/termios.h @@ -81,8 +81,10 @@ struct termio { copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ }) -#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios)) -#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios)) +#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2)) +#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2)) +#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) +#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) #endif /* __KERNEL__ */ diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h index 833fa1704ff..bd21e795197 100644 --- a/include/asm-i386/unistd.h +++ b/include/asm-i386/unistd.h @@ -325,10 +325,11 @@ #define __NR_move_pages 317 #define __NR_getcpu 318 #define __NR_epoll_pwait 319 +#define __NR_utimensat 320 #ifdef __KERNEL__ -#define NR_syscalls 320 +#define NR_syscalls 321 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR diff --git a/include/asm-ia64/atomic.h b/include/asm-ia64/atomic.h index 569ec7574ba..1fc3b83325d 100644 --- a/include/asm-ia64/atomic.h +++ b/include/asm-ia64/atomic.h @@ -15,6 +15,7 @@ #include <linux/types.h> #include <asm/intrinsics.h> +#include <asm/system.h> /* * On IA-64, counter must always be volatile to ensure that that the @@ -88,25 +89,47 @@ ia64_atomic64_sub (__s64 i, atomic64_t *v) return new; } -#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new)) +#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new)) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - for (;;) { \ - if (unlikely(c == (u))) \ - break; \ - old = atomic_cmpxchg((v), c, c + (a)); \ - if (likely(old == c)) \ - break; \ - c = old; \ - } \ - c != (u); \ -}) +#define atomic64_cmpxchg(v, old, new) \ + (cmpxchg(&((v)->counter), old, new)) +#define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) + +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) +static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) +{ + long c, old; + c = atomic64_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic64_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) + #define atomic_add_return(i,v) \ ({ \ int __ia64_aar_i = (i); \ diff --git a/include/asm-ia64/kdebug.h b/include/asm-ia64/kdebug.h index aed7142f9e4..ba211e011a1 100644 --- a/include/asm-ia64/kdebug.h +++ b/include/asm-ia64/kdebug.h @@ -28,21 +28,8 @@ */ #include <linux/notifier.h> -struct pt_regs; - -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); extern int register_page_fault_notifier(struct notifier_block *); extern int unregister_page_fault_notifier(struct notifier_block *); -extern struct atomic_notifier_head ia64die_chain; enum die_val { DIE_BREAK = 1, @@ -74,18 +61,4 @@ enum die_val { DIE_KDUMP_LEAVE, }; -static inline int notify_die(enum die_val val, char *str, struct pt_regs *regs, - long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - - return atomic_notifier_call_chain(&ia64die_chain, val, &args); -} - #endif diff --git a/include/asm-ia64/kexec.h b/include/asm-ia64/kexec.h index 41299ddfee3..541be835fc5 100644 --- a/include/asm-ia64/kexec.h +++ b/include/asm-ia64/kexec.h @@ -14,8 +14,6 @@ /* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_IA_64 -#define MAX_NOTE_BYTES 1024 - #define kexec_flush_icache_page(page) do { \ unsigned long page_addr = (unsigned long)page_address(page); \ flush_icache_range(page_addr, page_addr + PAGE_SIZE); \ diff --git a/include/asm-ia64/local.h b/include/asm-ia64/local.h index dc519092ef4..c11c530f74d 100644 --- a/include/asm-ia64/local.h +++ b/include/asm-ia64/local.h @@ -1,50 +1 @@ -#ifndef _ASM_IA64_LOCAL_H -#define _ASM_IA64_LOCAL_H - -/* - * Copyright (C) 2003 Hewlett-Packard Co - * David Mosberger-Tang <davidm@hpl.hp.com> - */ - -#include <linux/percpu.h> - -typedef struct { - atomic64_t val; -} local_t; - -#define LOCAL_INIT(i) ((local_t) { { (i) } }) -#define local_read(l) atomic64_read(&(l)->val) -#define local_set(l, i) atomic64_set(&(l)->val, i) -#define local_inc(l) atomic64_inc(&(l)->val) -#define local_dec(l) atomic64_dec(&(l)->val) -#define local_add(i, l) atomic64_add((i), &(l)->val) -#define local_sub(i, l) atomic64_sub((i), &(l)->val) - -/* Non-atomic variants, i.e., preemption disabled and won't be touched in interrupt, etc. */ - -#define __local_inc(l) (++(l)->val.counter) -#define __local_dec(l) (--(l)->val.counter) -#define __local_add(i,l) ((l)->val.counter += (i)) -#define __local_sub(i,l) ((l)->val.counter -= (i)) - -/* - * Use these for per-cpu local_t variables. Note they take a variable (eg. mystruct.foo), - * not an address. - */ -#define cpu_local_read(v) local_read(&__ia64_per_cpu_var(v)) -#define cpu_local_set(v, i) local_set(&__ia64_per_cpu_var(v), (i)) -#define cpu_local_inc(v) local_inc(&__ia64_per_cpu_var(v)) -#define cpu_local_dec(v) local_dec(&__ia64_per_cpu_var(v)) -#define cpu_local_add(i, v) local_add((i), &__ia64_per_cpu_var(v)) -#define cpu_local_sub(i, v) local_sub((i), &__ia64_per_cpu_var(v)) - -/* - * Non-atomic increments, i.e., preemption disabled and won't be touched in interrupt, - * etc. - */ -#define __cpu_local_inc(v) __local_inc(&__ia64_per_cpu_var(v)) -#define __cpu_local_dec(v) __local_dec(&__ia64_per_cpu_var(v)) -#define __cpu_local_add(i, v) __local_add((i), &__ia64_per_cpu_var(v)) -#define __cpu_local_sub(i, v) __local_sub((i), &__ia64_per_cpu_var(v)) - -#endif /* _ASM_IA64_LOCAL_H */ +#include <asm-generic/local.h> diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h index 55318274772..670b706411b 100644 --- a/include/asm-ia64/pgtable.h +++ b/include/asm-ia64/pgtable.h @@ -485,10 +485,6 @@ extern void paging_init (void); #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - /* * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. diff --git a/include/asm-m32r/atomic.h b/include/asm-m32r/atomic.h index f5a7d7301c7..3a38ffe4a4f 100644 --- a/include/asm-m32r/atomic.h +++ b/include/asm-m32r/atomic.h @@ -253,14 +253,21 @@ static __inline__ int atomic_dec_return(atomic_t *v) * Atomically adds @a to @v, so long as it was not @u. * Returns non-zero if @v was not @u, and zero otherwise. */ -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ - c = old; \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) static __inline__ void atomic_clear_mask(unsigned long mask, atomic_t *addr) diff --git a/include/asm-m32r/kdebug.h b/include/asm-m32r/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-m32r/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-m32r/pgtable.h b/include/asm-m32r/pgtable.h index 1c15ba7ce31..8b2a2f17e69 100644 --- a/include/asm-m32r/pgtable.h +++ b/include/asm-m32r/pgtable.h @@ -381,10 +381,6 @@ static inline void pmd_set(pmd_t * pmdp, pte_t * ptep) #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY #define __HAVE_ARCH_PTEP_GET_AND_CLEAR diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h index 99ee09889ff..06cdece3586 100644 --- a/include/asm-m32r/system.h +++ b/include/asm-m32r/system.h @@ -122,8 +122,6 @@ static inline void local_irq_disable(void) #define xchg(ptr,x) \ ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) - #ifdef CONFIG_SMP extern void __xchg_called_with_bad_pointer(void); #endif diff --git a/include/asm-m68k/atomic.h b/include/asm-m68k/atomic.h index d5eed64cb83..4915294fea6 100644 --- a/include/asm-m68k/atomic.h +++ b/include/asm-m68k/atomic.h @@ -2,7 +2,7 @@ #define __ARCH_M68K_ATOMIC__ -#include <asm/system.h> /* local_irq_XXX() */ +#include <asm/system.h> /* * Atomic operations that C can't guarantee us. Useful for @@ -170,20 +170,21 @@ static inline void atomic_set_mask(unsigned long mask, unsigned long *v) __asm__ __volatile__("orl %1,%0" : "+m" (*v) : "id" (mask)); } -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - for (;;) { \ - if (unlikely(c == (u))) \ - break; \ - old = atomic_cmpxchg((v), c, c + (a)); \ - if (likely(old == c)) \ - break; \ - c = old; \ - } \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) /* Atomic operations are already serializing */ diff --git a/include/asm-m68k/kdebug.h b/include/asm-m68k/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-m68k/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-m68k/pgtable.h b/include/asm-m68k/pgtable.h index f3aa0537798..555b87a1f7e 100644 --- a/include/asm-m68k/pgtable.h +++ b/include/asm-m68k/pgtable.h @@ -143,10 +143,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - /* MMU-specific headers */ #ifdef CONFIG_SUN3 diff --git a/include/asm-m68k/system.h b/include/asm-m68k/system.h index 243dd13e6bf..198878b53a6 100644 --- a/include/asm-m68k/system.h +++ b/include/asm-m68k/system.h @@ -88,7 +88,6 @@ static inline int irqs_disabled(void) #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) struct __xchg_dummy { unsigned long a[100]; }; #define __xg(x) ((volatile struct __xchg_dummy *)(x)) diff --git a/include/asm-m68knommu/atomic.h b/include/asm-m68knommu/atomic.h index 6c4e4b63e45..d5632a305da 100644 --- a/include/asm-m68knommu/atomic.h +++ b/include/asm-m68knommu/atomic.h @@ -1,7 +1,7 @@ #ifndef __ARCH_M68KNOMMU_ATOMIC__ #define __ARCH_M68KNOMMU_ATOMIC__ -#include <asm/system.h> /* local_irq_XXX() */ +#include <asm/system.h> /* * Atomic operations that C can't guarantee us. Useful for @@ -131,14 +131,21 @@ static inline int atomic_sub_return(int i, atomic_t * v) #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ - c = old; \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) #define atomic_dec_return(v) atomic_sub_return(1,(v)) diff --git a/include/asm-m68knommu/kdebug.h b/include/asm-m68knommu/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-m68knommu/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-m68knommu/pgtable.h b/include/asm-m68knommu/pgtable.h index 549ad231efa..9dfbbc24aa7 100644 --- a/include/asm-m68knommu/pgtable.h +++ b/include/asm-m68knommu/pgtable.h @@ -59,10 +59,6 @@ extern int is_in_rom(unsigned long); #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - /* * All 32bit addresses are effectively valid for vmalloc... * Sort of meaningless for non-VM targets. diff --git a/include/asm-m68knommu/system.h b/include/asm-m68knommu/system.h index 2a814498672..5e5ed18bb78 100644 --- a/include/asm-m68knommu/system.h +++ b/include/asm-m68knommu/system.h @@ -120,7 +120,6 @@ asmlinkage void resume(void); #endif #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) struct __xchg_dummy { unsigned long a[100]; }; #define __xg(x) ((volatile struct __xchg_dummy *)(x)) diff --git a/include/asm-mips/atomic.h b/include/asm-mips/atomic.h index 1ac50b6c47a..62daa746a9c 100644 --- a/include/asm-mips/atomic.h +++ b/include/asm-mips/atomic.h @@ -18,6 +18,7 @@ #include <asm/barrier.h> #include <asm/cpu-features.h> #include <asm/war.h> +#include <asm/system.h> typedef struct { volatile int counter; } atomic_t; @@ -306,8 +307,8 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) return result; } -#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) +#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) +#define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) /** * atomic_add_unless - add unless the number is a given value @@ -318,14 +319,20 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) * Atomically adds @a to @v, so long as it was not @u. * Returns non-zero if @v was not @u, and zero otherwise. */ -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ - c = old; \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) #define atomic_dec_return(v) atomic_sub_return(1,(v)) @@ -681,6 +688,36 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) return result; } +#define atomic64_cmpxchg(v, o, n) \ + (((__typeof__((v)->counter)))cmpxchg(&((v)->counter), (o), (n))) +#define atomic64_xchg(v, new) (xchg(&((v)->counter), (new))) + +/** + * atomic64_add_unless - add unless the number is a given value + * @v: pointer of type atomic64_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as it was not @u. + * Returns non-zero if @v was not @u, and zero otherwise. + */ +static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) +{ + long c, old; + c = atomic64_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic64_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) + #define atomic64_dec_return(v) atomic64_sub_return(1,(v)) #define atomic64_inc_return(v) atomic64_add_return(1,(v)) diff --git a/include/asm-mips/kdebug.h b/include/asm-mips/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-mips/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-mips/kexec.h b/include/asm-mips/kexec.h index b25267ebcb0..cdbab43b7d3 100644 --- a/include/asm-mips/kexec.h +++ b/include/asm-mips/kexec.h @@ -21,8 +21,6 @@ /* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_MIPS -#define MAX_NOTE_BYTES 1024 - static inline void crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs) { diff --git a/include/asm-mips/local.h b/include/asm-mips/local.h index 9e2d43bae38..ed882c88e0c 100644 --- a/include/asm-mips/local.h +++ b/include/asm-mips/local.h @@ -1,60 +1,288 @@ -#ifndef _ASM_LOCAL_H -#define _ASM_LOCAL_H +#ifndef _ARCH_MIPS_LOCAL_H +#define _ARCH_MIPS_LOCAL_H #include <linux/percpu.h> +#include <linux/bitops.h> #include <asm/atomic.h> +#include <asm/war.h> -#ifdef CONFIG_32BIT +typedef struct +{ + atomic_long_t a; +} local_t; -typedef atomic_t local_t; +#define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } -#define LOCAL_INIT(i) ATOMIC_INIT(i) -#define local_read(v) atomic_read(v) -#define local_set(v,i) atomic_set(v,i) +#define local_read(l) atomic_long_read(&(l)->a) +#define local_set(l,i) atomic_long_set(&(l)->a, (i)) -#define local_inc(v) atomic_inc(v) -#define local_dec(v) atomic_dec(v) -#define local_add(i, v) atomic_add(i, v) -#define local_sub(i, v) atomic_sub(i, v) +#define local_add(i,l) atomic_long_add((i),(&(l)->a)) +#define local_sub(i,l) atomic_long_sub((i),(&(l)->a)) +#define local_inc(l) atomic_long_inc(&(l)->a) +#define local_dec(l) atomic_long_dec(&(l)->a) -#endif +/* + * Same as above, but return the result value + */ +static __inline__ long local_add_return(long i, local_t * l) +{ + unsigned long result; + + if (cpu_has_llsc && R10000_LLSC_WAR) { + unsigned long temp; + + __asm__ __volatile__( + " .set mips3 \n" + "1:" __LL "%1, %2 # local_add_return \n" + " addu %0, %1, %3 \n" + __SC "%0, %2 \n" + " beqzl %0, 1b \n" + " addu %0, %1, %3 \n" + " .set mips0 \n" + : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) + : "Ir" (i), "m" (l->a.counter) + : "memory"); + } else if (cpu_has_llsc) { + unsigned long temp; + + __asm__ __volatile__( + " .set mips3 \n" + "1:" __LL "%1, %2 # local_add_return \n" + " addu %0, %1, %3 \n" + __SC "%0, %2 \n" + " beqz %0, 1b \n" + " addu %0, %1, %3 \n" + " .set mips0 \n" + : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) + : "Ir" (i), "m" (l->a.counter) + : "memory"); + } else { + unsigned long flags; -#ifdef CONFIG_64BIT + local_irq_save(flags); + result = l->a.counter; + result += i; + l->a.counter = result; + local_irq_restore(flags); + } -typedef atomic64_t local_t; + return result; +} -#define LOCAL_INIT(i) ATOMIC64_INIT(i) -#define local_read(v) atomic64_read(v) -#define local_set(v,i) atomic64_set(v,i) +static __inline__ long local_sub_return(long i, local_t * l) +{ + unsigned long result; -#define local_inc(v) atomic64_inc(v) -#define local_dec(v) atomic64_dec(v) -#define local_add(i, v) atomic64_add(i, v) -#define local_sub(i, v) atomic64_sub(i, v) + if (cpu_has_llsc && R10000_LLSC_WAR) { + unsigned long temp; -#endif + __asm__ __volatile__( + " .set mips3 \n" + "1:" __LL "%1, %2 # local_sub_return \n" + " subu %0, %1, %3 \n" + __SC "%0, %2 \n" + " beqzl %0, 1b \n" + " subu %0, %1, %3 \n" + " .set mips0 \n" + : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) + : "Ir" (i), "m" (l->a.counter) + : "memory"); + } else if (cpu_has_llsc) { + unsigned long temp; -#define __local_inc(v) ((v)->counter++) -#define __local_dec(v) ((v)->counter--) -#define __local_add(i,v) ((v)->counter+=(i)) -#define __local_sub(i,v) ((v)->counter-=(i)) + __asm__ __volatile__( + " .set mips3 \n" + "1:" __LL "%1, %2 # local_sub_return \n" + " subu %0, %1, %3 \n" + __SC "%0, %2 \n" + " beqz %0, 1b \n" + " subu %0, %1, %3 \n" + " .set mips0 \n" + : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) + : "Ir" (i), "m" (l->a.counter) + : "memory"); + } else { + unsigned long flags; + + local_irq_save(flags); + result = l->a.counter; + result -= i; + l->a.counter = result; + local_irq_restore(flags); + } + + return result; +} /* - * Use these for per-cpu local_t variables: on some archs they are + * local_sub_if_positive - conditionally subtract integer from atomic variable + * @i: integer value to subtract + * @l: pointer of type local_t + * + * Atomically test @l and subtract @i if @l is greater or equal than @i. + * The function returns the old value of @l minus @i. + */ +static __inline__ long local_sub_if_positive(long i, local_t * l) +{ + unsigned long result; + + if (cpu_has_llsc && R10000_LLSC_WAR) { + unsigned long temp; + + __asm__ __volatile__( + " .set mips3 \n" + "1:" __LL "%1, %2 # local_sub_if_positive\n" + " dsubu %0, %1, %3 \n" + " bltz %0, 1f \n" + __SC "%0, %2 \n" + " .set noreorder \n" + " beqzl %0, 1b \n" + " dsubu %0, %1, %3 \n" + " .set reorder \n" + "1: \n" + " .set mips0 \n" + : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) + : "Ir" (i), "m" (l->a.counter) + : "memory"); + } else if (cpu_has_llsc) { + unsigned long temp; + + __asm__ __volatile__( + " .set mips3 \n" + "1:" __LL "%1, %2 # local_sub_if_positive\n" + " dsubu %0, %1, %3 \n" + " bltz %0, 1f \n" + __SC "%0, %2 \n" + " .set noreorder \n" + " beqz %0, 1b \n" + " dsubu %0, %1, %3 \n" + " .set reorder \n" + "1: \n" + " .set mips0 \n" + : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) + : "Ir" (i), "m" (l->a.counter) + : "memory"); + } else { + unsigned long flags; + + local_irq_save(flags); + result = l->a.counter; + result -= i; + if (result >= 0) + l->a.counter = result; + local_irq_restore(flags); + } + + return result; +} + +#define local_cmpxchg(l, o, n) \ + ((long)cmpxchg_local(&((l)->a.counter), (o), (n))) +#define local_xchg(l, n) (xchg_local(&((l)->a.counter),(n))) + +/** + * local_add_unless - add unless the number is a given value + * @l: pointer of type local_t + * @a: the amount to add to l... + * @u: ...unless l is equal to u. + * + * Atomically adds @a to @l, so long as it was not @u. + * Returns non-zero if @l was not @u, and zero otherwise. + */ +#define local_add_unless(l, a, u) \ +({ \ + long c, old; \ + c = local_read(l); \ + while (c != (u) && (old = local_cmpxchg((l), c, c + (a))) != c) \ + c = old; \ + c != (u); \ +}) +#define local_inc_not_zero(l) local_add_unless((l), 1, 0) + +#define local_dec_return(l) local_sub_return(1,(l)) +#define local_inc_return(l) local_add_return(1,(l)) + +/* + * local_sub_and_test - subtract value from variable and test result + * @i: integer value to subtract + * @l: pointer of type local_t + * + * Atomically subtracts @i from @l and returns + * true if the result is zero, or false for all + * other cases. + */ +#define local_sub_and_test(i,l) (local_sub_return((i), (l)) == 0) + +/* + * local_inc_and_test - increment and test + * @l: pointer of type local_t + * + * Atomically increments @l by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +#define local_inc_and_test(l) (local_inc_return(l) == 0) + +/* + * local_dec_and_test - decrement by 1 and test + * @l: pointer of type local_t + * + * Atomically decrements @l by 1 and + * returns true if the result is 0, or false for all other + * cases. + */ +#define local_dec_and_test(l) (local_sub_return(1, (l)) == 0) + +/* + * local_dec_if_positive - decrement by 1 if old value positive + * @l: pointer of type local_t + */ +#define local_dec_if_positive(l) local_sub_if_positive(1, l) + +/* + * local_add_negative - add and test if negative + * @l: pointer of type local_t + * @i: integer value to add + * + * Atomically adds @i to @l and returns true + * if the result is negative, or false when + * result is greater than or equal to zero. + */ +#define local_add_negative(i,l) (local_add_return(i, (l)) < 0) + +/* Use these for per-cpu local_t variables: on some archs they are * much more efficient than these naive implementations. Note they take * a variable, not an address. */ -#define cpu_local_read(v) local_read(&__get_cpu_var(v)) -#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i)) -#define cpu_local_inc(v) local_inc(&__get_cpu_var(v)) -#define cpu_local_dec(v) local_dec(&__get_cpu_var(v)) -#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v)) -#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v)) +#define __local_inc(l) ((l)->a.counter++) +#define __local_dec(l) ((l)->a.counter++) +#define __local_add(i,l) ((l)->a.counter+=(i)) +#define __local_sub(i,l) ((l)->a.counter-=(i)) + +/* Need to disable preemption for the cpu local counters otherwise we could + still access a variable of a previous CPU in a non atomic way. */ +#define cpu_local_wrap_v(l) \ + ({ local_t res__; \ + preempt_disable(); \ + res__ = (l); \ + preempt_enable(); \ + res__; }) +#define cpu_local_wrap(l) \ + ({ preempt_disable(); \ + l; \ + preempt_enable(); }) \ + +#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var(l))) +#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var(l), (i))) +#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var(l))) +#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var(l))) +#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var(l))) +#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var(l))) -#define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v)) -#define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v)) -#define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v)) -#define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v)) +#define __cpu_local_inc(l) cpu_local_inc(l) +#define __cpu_local_dec(l) cpu_local_dec(l) +#define __cpu_local_add(i, l) cpu_local_add((i), (l)) +#define __cpu_local_sub(i, l) cpu_local_sub((i), (l)) -#endif /* _ASM_LOCAL_H */ +#endif /* _ARCH_MIPS_LOCAL_H */ diff --git a/include/asm-mips/mach-au1x00/au1550_spi.h b/include/asm-mips/mach-au1x00/au1550_spi.h new file mode 100644 index 00000000000..c2f0466523e --- /dev/null +++ b/include/asm-mips/mach-au1x00/au1550_spi.h @@ -0,0 +1,16 @@ +/* + * au1550_spi.h - au1550 psc spi controller driver - platform data struct + */ + +#ifndef _AU1550_SPI_H_ +#define _AU1550_SPI_H_ + +struct au1550_spi_info { + s16 bus_num; /* defines which PSC and IRQ to use */ + u32 mainclk_hz; /* main input clock frequency of PSC */ + u16 num_chipselect; /* number of chipselects supported */ + void (*activate_cs)(struct au1550_spi_info *spi, int cs, int polarity); + void (*deactivate_cs)(struct au1550_spi_info *spi, int cs, int polarity); +}; + +#endif diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h index 0d3295f57a9..27d77d98193 100644 --- a/include/asm-mips/pgtable.h +++ b/include/asm-mips/pgtable.h @@ -387,10 +387,6 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, remap_pfn_range(vma, vaddr, pfn, size, prot) #endif -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - #include <asm-generic/pgtable.h> /* diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h index 290887077e4..30f23a2b46c 100644 --- a/include/asm-mips/system.h +++ b/include/asm-mips/system.h @@ -201,7 +201,6 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz } #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) #define __HAVE_ARCH_CMPXCHG 1 @@ -262,6 +261,58 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old, return retval; } +static inline unsigned long __cmpxchg_u32_local(volatile int * m, + unsigned long old, unsigned long new) +{ + __u32 retval; + + if (cpu_has_llsc && R10000_LLSC_WAR) { + __asm__ __volatile__( + " .set push \n" + " .set noat \n" + " .set mips3 \n" + "1: ll %0, %2 # __cmpxchg_u32 \n" + " bne %0, %z3, 2f \n" + " .set mips0 \n" + " move $1, %z4 \n" + " .set mips3 \n" + " sc $1, %1 \n" + " beqzl $1, 1b \n" + "2: \n" + " .set pop \n" + : "=&r" (retval), "=R" (*m) + : "R" (*m), "Jr" (old), "Jr" (new) + : "memory"); + } else if (cpu_has_llsc) { + __asm__ __volatile__( + " .set push \n" + " .set noat \n" + " .set mips3 \n" + "1: ll %0, %2 # __cmpxchg_u32 \n" + " bne %0, %z3, 2f \n" + " .set mips0 \n" + " move $1, %z4 \n" + " .set mips3 \n" + " sc $1, %1 \n" + " beqz $1, 1b \n" + "2: \n" + " .set pop \n" + : "=&r" (retval), "=R" (*m) + : "R" (*m), "Jr" (old), "Jr" (new) + : "memory"); + } else { + unsigned long flags; + + local_irq_save(flags); + retval = *m; + if (retval == old) + *m = new; + local_irq_restore(flags); /* implies memory barrier */ + } + + return retval; +} + #ifdef CONFIG_64BIT static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old, unsigned long new) @@ -315,10 +366,62 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old, return retval; } + +static inline unsigned long __cmpxchg_u64_local(volatile int * m, + unsigned long old, unsigned long new) +{ + __u64 retval; + + if (cpu_has_llsc && R10000_LLSC_WAR) { + __asm__ __volatile__( + " .set push \n" + " .set noat \n" + " .set mips3 \n" + "1: lld %0, %2 # __cmpxchg_u64 \n" + " bne %0, %z3, 2f \n" + " move $1, %z4 \n" + " scd $1, %1 \n" + " beqzl $1, 1b \n" + "2: \n" + " .set pop \n" + : "=&r" (retval), "=R" (*m) + : "R" (*m), "Jr" (old), "Jr" (new) + : "memory"); + } else if (cpu_has_llsc) { + __asm__ __volatile__( + " .set push \n" + " .set noat \n" + " .set mips3 \n" + "1: lld %0, %2 # __cmpxchg_u64 \n" + " bne %0, %z3, 2f \n" + " move $1, %z4 \n" + " scd $1, %1 \n" + " beqz $1, 1b \n" + "2: \n" + " .set pop \n" + : "=&r" (retval), "=R" (*m) + : "R" (*m), "Jr" (old), "Jr" (new) + : "memory"); + } else { + unsigned long flags; + + local_irq_save(flags); + retval = *m; + if (retval == old) + *m = new; + local_irq_restore(flags); /* implies memory barrier */ + } + + return retval; +} + #else extern unsigned long __cmpxchg_u64_unsupported_on_32bit_kernels( volatile int * m, unsigned long old, unsigned long new); #define __cmpxchg_u64 __cmpxchg_u64_unsupported_on_32bit_kernels +extern unsigned long __cmpxchg_u64_local_unsupported_on_32bit_kernels( + volatile int * m, unsigned long old, unsigned long new); +#define __cmpxchg_u64_local __cmpxchg_u64_local_unsupported_on_32bit_kernels #endif /* This function doesn't exist, so you'll get a linker error @@ -338,7 +441,26 @@ static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old, return old; } -#define cmpxchg(ptr,old,new) ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(old), (unsigned long)(new),sizeof(*(ptr)))) +static inline unsigned long __cmpxchg_local(volatile void * ptr, + unsigned long old, unsigned long new, int size) +{ + switch (size) { + case 4: + return __cmpxchg_u32_local(ptr, old, new); + case 8: + return __cmpxchg_u64_local(ptr, old, new); + } + __cmpxchg_called_with_bad_pointer(); + return old; +} + +#define cmpxchg(ptr,old,new) \ + ((__typeof__(*(ptr)))__cmpxchg((ptr), \ + (unsigned long)(old), (unsigned long)(new),sizeof(*(ptr)))) + +#define cmpxchg_local(ptr,old,new) \ + ((__typeof__(*(ptr)))__cmpxchg_local((ptr), \ + (unsigned long)(old), (unsigned long)(new),sizeof(*(ptr)))) extern void set_handler (unsigned long offset, void *addr, unsigned long len); extern void set_uncached_handler (unsigned long offset, void *addr, unsigned long len); diff --git a/include/asm-parisc/atomic.h b/include/asm-parisc/atomic.h index 7d57d34fcca..e894ee35074 100644 --- a/include/asm-parisc/atomic.h +++ b/include/asm-parisc/atomic.h @@ -163,7 +163,7 @@ static __inline__ int atomic_read(const atomic_t *v) } /* exported interface */ -#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) +#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) /** @@ -175,14 +175,21 @@ static __inline__ int atomic_read(const atomic_t *v) * Atomically adds @a to @v, so long as it was not @u. * Returns non-zero if @v was not @u, and zero otherwise. */ -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ - c = old; \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) #define atomic_add(i,v) ((void)(__atomic_add_return( ((int)i),(v)))) @@ -270,6 +277,37 @@ atomic64_read(const atomic64_t *v) #define atomic64_dec_and_test(v) (atomic64_dec_return(v) == 0) #define atomic64_sub_and_test(i,v) (atomic64_sub_return((i),(v)) == 0) +/* exported interface */ +#define atomic64_cmpxchg(v, o, n) \ + ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) +#define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) + +/** + * atomic64_add_unless - add unless the number is a given value + * @v: pointer of type atomic64_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as it was not @u. + * Returns non-zero if @v was not @u, and zero otherwise. + */ +static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) +{ + long c, old; + c = atomic64_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic64_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) + #endif /* CONFIG_64BIT */ #include <asm-generic/atomic.h> diff --git a/include/asm-parisc/kdebug.h b/include/asm-parisc/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-parisc/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-parisc/local.h b/include/asm-parisc/local.h index d0f55091275..c11c530f74d 100644 --- a/include/asm-parisc/local.h +++ b/include/asm-parisc/local.h @@ -1,40 +1 @@ -#ifndef _ARCH_PARISC_LOCAL_H -#define _ARCH_PARISC_LOCAL_H - -#include <linux/percpu.h> -#include <asm/atomic.h> - -typedef atomic_long_t local_t; - -#define LOCAL_INIT(i) ATOMIC_LONG_INIT(i) -#define local_read(v) atomic_long_read(v) -#define local_set(v,i) atomic_long_set(v,i) - -#define local_inc(v) atomic_long_inc(v) -#define local_dec(v) atomic_long_dec(v) -#define local_add(i, v) atomic_long_add(i, v) -#define local_sub(i, v) atomic_long_sub(i, v) - -#define __local_inc(v) ((v)->counter++) -#define __local_dec(v) ((v)->counter--) -#define __local_add(i,v) ((v)->counter+=(i)) -#define __local_sub(i,v) ((v)->counter-=(i)) - -/* Use these for per-cpu local_t variables: on some archs they are - * much more efficient than these naive implementations. Note they take - * a variable, not an address. - */ -#define cpu_local_read(v) local_read(&__get_cpu_var(v)) -#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i)) - -#define cpu_local_inc(v) local_inc(&__get_cpu_var(v)) -#define cpu_local_dec(v) local_dec(&__get_cpu_var(v)) -#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v)) -#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v)) - -#define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v)) -#define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v)) -#define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v)) -#define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v)) - -#endif /* _ARCH_PARISC_LOCAL_H */ +#include <asm-generic/local.h> diff --git a/include/asm-parisc/pgtable.h b/include/asm-parisc/pgtable.h index d7e1b10da5c..beb2adb979d 100644 --- a/include/asm-parisc/pgtable.h +++ b/include/asm-parisc/pgtable.h @@ -528,10 +528,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, #define pgprot_noncached(prot) __pgprot(pgprot_val(prot) | _PAGE_NO_CACHE) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - /* We provide our own get_unmapped_area to provide cache coherency */ #define HAVE_ARCH_UNMAPPED_AREA diff --git a/include/asm-powerpc/atomic.h b/include/asm-powerpc/atomic.h index 2ce4b6b7b34..c44810b9d32 100644 --- a/include/asm-powerpc/atomic.h +++ b/include/asm-powerpc/atomic.h @@ -11,6 +11,7 @@ typedef struct { volatile int counter; } atomic_t; #include <linux/compiler.h> #include <asm/synch.h> #include <asm/asm-compat.h> +#include <asm/system.h> #define ATOMIC_INIT(i) { (i) } @@ -165,8 +166,7 @@ static __inline__ int atomic_dec_return(atomic_t *v) return t; } -#define atomic_cmpxchg(v, o, n) \ - ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) +#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) /** @@ -414,8 +414,7 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v) return t; } -#define atomic64_cmpxchg(v, o, n) \ - ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) +#define atomic64_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) /** diff --git a/include/asm-powerpc/bitops.h b/include/asm-powerpc/bitops.h index 8f757f6246e..8144a2788db 100644 --- a/include/asm-powerpc/bitops.h +++ b/include/asm-powerpc/bitops.h @@ -39,7 +39,6 @@ #ifdef __KERNEL__ #include <linux/compiler.h> -#include <asm/atomic.h> #include <asm/asm-compat.h> #include <asm/synch.h> diff --git a/include/asm-powerpc/iommu.h b/include/asm-powerpc/iommu.h index b2e56b30306..870967e4720 100644 --- a/include/asm-powerpc/iommu.h +++ b/include/asm-powerpc/iommu.h @@ -26,6 +26,7 @@ #include <linux/spinlock.h> #include <linux/device.h> #include <linux/dma-mapping.h> +#include <asm/machdep.h> #include <asm/types.h> #include <asm/bitops.h> @@ -109,6 +110,19 @@ static inline void pci_iommu_init(void) { } #endif extern void alloc_dart_table(void); +#if defined(CONFIG_PPC64) && defined(CONFIG_PM) +static inline void iommu_save(void) +{ + if (ppc_md.iommu_save) + ppc_md.iommu_save(); +} + +static inline void iommu_restore(void) +{ + if (ppc_md.iommu_restore) + ppc_md.iommu_restore(); +} +#endif #endif /* __KERNEL__ */ #endif /* _ASM_IOMMU_H */ diff --git a/include/asm-powerpc/kdebug.h b/include/asm-powerpc/kdebug.h index 532bfee934f..295f0162c60 100644 --- a/include/asm-powerpc/kdebug.h +++ b/include/asm-powerpc/kdebug.h @@ -6,20 +6,19 @@ #include <linux/notifier.h> -struct pt_regs; - -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); -extern int register_page_fault_notifier(struct notifier_block *); -extern int unregister_page_fault_notifier(struct notifier_block *); +/* + * These are only here because kprobes.c wants them to implement a + * blatant layering violation. Will hopefully go away soon once all + * architectures are updated. + */ +static inline int register_page_fault_notifier(struct notifier_block *nb) +{ + return 0; +} +static inline int unregister_page_fault_notifier(struct notifier_block *nb) +{ + return 0; +} extern struct atomic_notifier_head powerpc_die_chain; /* Grossly misnamed. */ @@ -29,14 +28,7 @@ enum die_val { DIE_DABR_MATCH, DIE_BPT, DIE_SSTEP, - DIE_PAGE_FAULT, }; -static inline int notify_die(enum die_val val,char *str,struct pt_regs *regs,long err,int trap, int sig) -{ - struct die_args args = { .regs=regs, .str=str, .err=err, .trapnr=trap,.signr=sig }; - return atomic_notifier_call_chain(&powerpc_die_chain, val, &args); -} - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_KDEBUG_H */ diff --git a/include/asm-powerpc/kexec.h b/include/asm-powerpc/kexec.h index 11cbdf81fd2..b6f817b8ba3 100644 --- a/include/asm-powerpc/kexec.h +++ b/include/asm-powerpc/kexec.h @@ -108,8 +108,6 @@ static inline void crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs) { } #endif /* !__powerpc64 __ */ -#define MAX_NOTE_BYTES 1024 - extern void kexec_smp_wait(void); /* get and clear naca physid, wait for master to copy new code to 0 */ extern int crashing_cpu; diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h index f850ca7020e..b0e40ff32ee 100644 --- a/include/asm-powerpc/kprobes.h +++ b/include/asm-powerpc/kprobes.h @@ -64,6 +64,12 @@ typedef unsigned int kprobe_opcode_t; addr = *(kprobe_opcode_t **)addr; \ } else if (name[0] != '.') \ addr = *(kprobe_opcode_t **)addr; \ + } else { \ + char dot_name[KSYM_NAME_LEN+1]; \ + dot_name[0] = '.'; \ + dot_name[1] = '\0'; \ + strncat(dot_name, name, KSYM_NAME_LEN); \ + addr = (kprobe_opcode_t *)kallsyms_lookup_name(dot_name); \ } \ } @@ -110,5 +116,6 @@ struct kprobe_ctlblk { extern int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data); +extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_KPROBES_H */ diff --git a/include/asm-powerpc/local.h b/include/asm-powerpc/local.h index c11c530f74d..612d8327665 100644 --- a/include/asm-powerpc/local.h +++ b/include/asm-powerpc/local.h @@ -1 +1,200 @@ -#include <asm-generic/local.h> +#ifndef _ARCH_POWERPC_LOCAL_H +#define _ARCH_POWERPC_LOCAL_H + +#include <linux/percpu.h> +#include <asm/atomic.h> + +typedef struct +{ + atomic_long_t a; +} local_t; + +#define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } + +#define local_read(l) atomic_long_read(&(l)->a) +#define local_set(l,i) atomic_long_set(&(l)->a, (i)) + +#define local_add(i,l) atomic_long_add((i),(&(l)->a)) +#define local_sub(i,l) atomic_long_sub((i),(&(l)->a)) +#define local_inc(l) atomic_long_inc(&(l)->a) +#define local_dec(l) atomic_long_dec(&(l)->a) + +static __inline__ long local_add_return(long a, local_t *l) +{ + long t; + + __asm__ __volatile__( +"1:" PPC_LLARX "%0,0,%2 # local_add_return\n\ + add %0,%1,%0\n" + PPC405_ERR77(0,%2) + PPC_STLCX "%0,0,%2 \n\ + bne- 1b" + : "=&r" (t) + : "r" (a), "r" (&(l->a.counter)) + : "cc", "memory"); + + return t; +} + +#define local_add_negative(a, l) (local_add_return((a), (l)) < 0) + +static __inline__ long local_sub_return(long a, local_t *l) +{ + long t; + + __asm__ __volatile__( +"1:" PPC_LLARX "%0,0,%2 # local_sub_return\n\ + subf %0,%1,%0\n" + PPC405_ERR77(0,%2) + PPC_STLCX "%0,0,%2 \n\ + bne- 1b" + : "=&r" (t) + : "r" (a), "r" (&(l->a.counter)) + : "cc", "memory"); + + return t; +} + +static __inline__ long local_inc_return(local_t *l) +{ + long t; + + __asm__ __volatile__( +"1:" PPC_LLARX "%0,0,%1 # local_inc_return\n\ + addic %0,%0,1\n" + PPC405_ERR77(0,%1) + PPC_STLCX "%0,0,%1 \n\ + bne- 1b" + : "=&r" (t) + : "r" (&(l->a.counter)) + : "cc", "memory"); + + return t; +} + +/* + * local_inc_and_test - increment and test + * @l: pointer of type local_t + * + * Atomically increments @l by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +#define local_inc_and_test(l) (local_inc_return(l) == 0) + +static __inline__ long local_dec_return(local_t *l) +{ + long t; + + __asm__ __volatile__( +"1:" PPC_LLARX "%0,0,%1 # local_dec_return\n\ + addic %0,%0,-1\n" + PPC405_ERR77(0,%1) + PPC_STLCX "%0,0,%1\n\ + bne- 1b" + : "=&r" (t) + : "r" (&(l->a.counter)) + : "cc", "memory"); + + return t; +} + +#define local_cmpxchg(l, o, n) \ + (cmpxchg_local(&((l)->a.counter), (o), (n))) +#define local_xchg(l, n) (xchg_local(&((l)->a.counter), (n))) + +/** + * local_add_unless - add unless the number is a given value + * @l: pointer of type local_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @l, so long as it was not @u. + * Returns non-zero if @l was not @u, and zero otherwise. + */ +static __inline__ int local_add_unless(local_t *l, long a, long u) +{ + long t; + + __asm__ __volatile__ ( +"1:" PPC_LLARX "%0,0,%1 # local_add_unless\n\ + cmpw 0,%0,%3 \n\ + beq- 2f \n\ + add %0,%2,%0 \n" + PPC405_ERR77(0,%2) + PPC_STLCX "%0,0,%1 \n\ + bne- 1b \n" +" subf %0,%2,%0 \n\ +2:" + : "=&r" (t) + : "r" (&(l->a.counter)), "r" (a), "r" (u) + : "cc", "memory"); + + return t != u; +} + +#define local_inc_not_zero(l) local_add_unless((l), 1, 0) + +#define local_sub_and_test(a, l) (local_sub_return((a), (l)) == 0) +#define local_dec_and_test(l) (local_dec_return((l)) == 0) + +/* + * Atomically test *l and decrement if it is greater than 0. + * The function returns the old value of *l minus 1. + */ +static __inline__ long local_dec_if_positive(local_t *l) +{ + long t; + + __asm__ __volatile__( +"1:" PPC_LLARX "%0,0,%1 # local_dec_if_positive\n\ + cmpwi %0,1\n\ + addi %0,%0,-1\n\ + blt- 2f\n" + PPC405_ERR77(0,%1) + PPC_STLCX "%0,0,%1\n\ + bne- 1b" + "\n\ +2:" : "=&b" (t) + : "r" (&(l->a.counter)) + : "cc", "memory"); + + return t; +} + +/* Use these for per-cpu local_t variables: on some archs they are + * much more efficient than these naive implementations. Note they take + * a variable, not an address. + */ + +#define __local_inc(l) ((l)->a.counter++) +#define __local_dec(l) ((l)->a.counter++) +#define __local_add(i,l) ((l)->a.counter+=(i)) +#define __local_sub(i,l) ((l)->a.counter-=(i)) + +/* Need to disable preemption for the cpu local counters otherwise we could + still access a variable of a previous CPU in a non atomic way. */ +#define cpu_local_wrap_v(l) \ + ({ local_t res__; \ + preempt_disable(); \ + res__ = (l); \ + preempt_enable(); \ + res__; }) +#define cpu_local_wrap(l) \ + ({ preempt_disable(); \ + l; \ + preempt_enable(); }) \ + +#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var(l))) +#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var(l), (i))) +#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var(l))) +#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var(l))) +#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var(l))) +#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var(l))) + +#define __cpu_local_inc(l) cpu_local_inc(l) +#define __cpu_local_dec(l) cpu_local_dec(l) +#define __cpu_local_add(i, l) cpu_local_add((i), (l)) +#define __cpu_local_sub(i, l) cpu_local_sub((i), (l)) + +#endif /* _ARCH_POWERPC_LOCAL_H */ diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h index b204926ce91..6cf1a831f55 100644 --- a/include/asm-powerpc/machdep.h +++ b/include/asm-powerpc/machdep.h @@ -91,6 +91,11 @@ struct machdep_calls { void __iomem * (*ioremap)(phys_addr_t addr, unsigned long size, unsigned long flags); void (*iounmap)(volatile void __iomem *token); + +#ifdef CONFIG_PM + void (*iommu_save)(void); + void (*iommu_restore)(void); +#endif #endif /* CONFIG_PPC64 */ int (*probe)(void); @@ -115,6 +120,14 @@ struct machdep_calls { /* To setup PHBs when using automatic OF platform driver for PCI */ int (*pci_setup_phb)(struct pci_controller *host); +#ifdef CONFIG_PCI_MSI + int (*msi_check_device)(struct pci_dev* dev, + int nvec, int type); + int (*setup_msi_irqs)(struct pci_dev *dev, + int nvec, int type); + void (*teardown_msi_irqs)(struct pci_dev *dev); +#endif + void (*restart)(char *cmd); void (*power_off)(void); void (*halt)(void); @@ -240,14 +253,10 @@ struct machdep_calls { */ void (*machine_kexec)(struct kimage *image); #endif /* CONFIG_KEXEC */ - -#ifdef CONFIG_PCI_MSI - int (*enable_msi)(struct pci_dev *pdev); - void (*disable_msi)(struct pci_dev *pdev); -#endif /* CONFIG_PCI_MSI */ }; extern void power4_idle(void); +extern void power4_cpu_offline_powersave(void); extern void ppc6xx_idle(void); /* diff --git a/include/asm-powerpc/mmu-44x.h b/include/asm-powerpc/mmu-44x.h new file mode 100644 index 00000000000..d5ce7a8dfe9 --- /dev/null +++ b/include/asm-powerpc/mmu-44x.h @@ -0,0 +1,78 @@ +#ifndef _ASM_POWERPC_MMU_44X_H_ +#define _ASM_POWERPC_MMU_44X_H_ +/* + * PPC440 support + */ + +#define PPC44x_MMUCR_TID 0x000000ff +#define PPC44x_MMUCR_STS 0x00010000 + +#define PPC44x_TLB_PAGEID 0 +#define PPC44x_TLB_XLAT 1 +#define PPC44x_TLB_ATTRIB 2 + +/* Page identification fields */ +#define PPC44x_TLB_EPN_MASK 0xfffffc00 /* Effective Page Number */ +#define PPC44x_TLB_VALID 0x00000200 /* Valid flag */ +#define PPC44x_TLB_TS 0x00000100 /* Translation address space */ +#define PPC44x_TLB_1K 0x00000000 /* Page sizes */ +#define PPC44x_TLB_4K 0x00000010 +#define PPC44x_TLB_16K 0x00000020 +#define PPC44x_TLB_64K 0x00000030 +#define PPC44x_TLB_256K 0x00000040 +#define PPC44x_TLB_1M 0x00000050 +#define PPC44x_TLB_16M 0x00000070 +#define PPC44x_TLB_256M 0x00000090 + +/* Translation fields */ +#define PPC44x_TLB_RPN_MASK 0xfffffc00 /* Real Page Number */ +#define PPC44x_TLB_ERPN_MASK 0x0000000f + +/* Storage attribute and access control fields */ +#define PPC44x_TLB_ATTR_MASK 0x0000ff80 +#define PPC44x_TLB_U0 0x00008000 /* User 0 */ +#define PPC44x_TLB_U1 0x00004000 /* User 1 */ +#define PPC44x_TLB_U2 0x00002000 /* User 2 */ +#define PPC44x_TLB_U3 0x00001000 /* User 3 */ +#define PPC44x_TLB_W 0x00000800 /* Caching is write-through */ +#define PPC44x_TLB_I 0x00000400 /* Caching is inhibited */ +#define PPC44x_TLB_M 0x00000200 /* Memory is coherent */ +#define PPC44x_TLB_G 0x00000100 /* Memory is guarded */ +#define PPC44x_TLB_E 0x00000080 /* Memory is guarded */ + +#define PPC44x_TLB_PERM_MASK 0x0000003f +#define PPC44x_TLB_UX 0x00000020 /* User execution */ +#define PPC44x_TLB_UW 0x00000010 /* User write */ +#define PPC44x_TLB_UR 0x00000008 /* User read */ +#define PPC44x_TLB_SX 0x00000004 /* Super execution */ +#define PPC44x_TLB_SW 0x00000002 /* Super write */ +#define PPC44x_TLB_SR 0x00000001 /* Super read */ + +/* Number of TLB entries */ +#define PPC44x_TLB_SIZE 64 + +#ifndef __ASSEMBLY__ + +typedef unsigned long long phys_addr_t; + +extern phys_addr_t fixup_bigphys_addr(phys_addr_t, phys_addr_t); + +typedef struct { + unsigned long id; + unsigned long vdso_base; +} mm_context_t; + +#endif /* !__ASSEMBLY__ */ + +#ifndef CONFIG_PPC_EARLY_DEBUG_44x +#define PPC44x_EARLY_TLBS 1 +#else +#define PPC44x_EARLY_TLBS 2 +#define PPC44x_EARLY_DEBUG_VIRTADDR (ASM_CONST(0xf0000000) \ + | (ASM_CONST(CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW) & 0xffff)) +#endif + +/* Size of the TLBs used for pinning in lowmem */ +#define PPC_PIN_SIZE (1 << 28) /* 256M */ + +#endif /* _ASM_POWERPC_MMU_44X_H_ */ diff --git a/include/asm-powerpc/mmu.h b/include/asm-powerpc/mmu.h index 06b3e6d336c..fe510fff890 100644 --- a/include/asm-powerpc/mmu.h +++ b/include/asm-powerpc/mmu.h @@ -5,9 +5,12 @@ #ifdef CONFIG_PPC64 /* 64-bit classic hash table MMU */ # include <asm/mmu-hash64.h> +#elif defined(CONFIG_44x) +/* 44x-style software loaded TLB */ +# include <asm/mmu-44x.h> #else -/* 32-bit. FIXME: split up the 32-bit MMU types, and revise for - * arch/powerpc */ +/* Other 32-bit. FIXME: split up the other 32-bit MMU types, and + * revise for arch/powerpc */ # include <asm-ppc/mmu.h> #endif diff --git a/include/asm-powerpc/mpc52xx.h b/include/asm-powerpc/mpc52xx.h index 7afd5bf9452..c4631f6dd4f 100644 --- a/include/asm-powerpc/mpc52xx.h +++ b/include/asm-powerpc/mpc52xx.h @@ -253,5 +253,16 @@ extern int __init mpc52xx_add_bridge(struct device_node *node); #endif /* __ASSEMBLY__ */ +#ifdef CONFIG_PM +struct mpc52xx_suspend { + void (*board_suspend_prepare)(void __iomem *mbar); + void (*board_resume_finish)(void __iomem *mbar); +}; + +extern struct mpc52xx_suspend mpc52xx_suspend; +extern int __init mpc52xx_pm_init(void); +extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level); +#endif /* CONFIG_PM */ + #endif /* __ASM_POWERPC_MPC52xx_H__ */ diff --git a/include/asm-powerpc/mpic.h b/include/asm-powerpc/mpic.h index e4d5fc5362a..2ffb06abe88 100644 --- a/include/asm-powerpc/mpic.h +++ b/include/asm-powerpc/mpic.h @@ -3,6 +3,7 @@ #ifdef __KERNEL__ #include <linux/irq.h> +#include <linux/sysdev.h> #include <asm/dcr.h> /* @@ -228,6 +229,14 @@ struct mpic_reg_bank { #endif /* CONFIG_PPC_DCR */ }; +struct mpic_irq_save { + u32 vecprio, + dest; +#ifdef CONFIG_MPIC_U3_HT_IRQS + u32 fixup_data; +#endif +}; + /* The instance data of a given MPIC */ struct mpic { @@ -292,8 +301,19 @@ struct mpic u32 *hw_set; #endif +#ifdef CONFIG_PCI_MSI + spinlock_t bitmap_lock; + unsigned long *hwirq_bitmap; +#endif + /* link */ struct mpic *next; + + struct sys_device sysdev; + +#ifdef CONFIG_PM + struct mpic_irq_save *save_data; +#endif }; /* diff --git a/include/asm-powerpc/of_device.h b/include/asm-powerpc/of_device.h index 4f1aabe0ce7..e9af49eb1aa 100644 --- a/include/asm-powerpc/of_device.h +++ b/include/asm-powerpc/of_device.h @@ -32,6 +32,8 @@ extern int of_device_register(struct of_device *ofdev); extern void of_device_unregister(struct of_device *ofdev); extern void of_release_dev(struct device *dev); +extern ssize_t of_device_get_modalias(struct of_device *ofdev, + char *str, ssize_t len); extern int of_device_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size); diff --git a/include/asm-powerpc/page.h b/include/asm-powerpc/page.h index b4d38b0b15f..10c51f457d4 100644 --- a/include/asm-powerpc/page.h +++ b/include/asm-powerpc/page.h @@ -121,6 +121,7 @@ typedef struct { pte_t pte; } real_pte_t; #endif /* PMD level */ +#ifdef CONFIG_PPC64 typedef struct { unsigned long pmd; } pmd_t; #define pmd_val(x) ((x).pmd) #define __pmd(x) ((pmd_t) { (x) }) @@ -130,7 +131,8 @@ typedef struct { unsigned long pmd; } pmd_t; typedef struct { unsigned long pud; } pud_t; #define pud_val(x) ((x).pud) #define __pud(x) ((pud_t) { (x) }) -#endif +#endif /* !CONFIG_PPC_64K_PAGES */ +#endif /* CONFIG_PPC64 */ /* PGD level */ typedef struct { unsigned long pgd; } pgd_t; @@ -159,15 +161,17 @@ typedef unsigned long real_pte_t; #endif +#ifdef CONFIG_PPC64 typedef unsigned long pmd_t; #define pmd_val(x) (x) #define __pmd(x) (x) -#if defined(CONFIG_PPC64) && !defined(CONFIG_PPC_64K_PAGES) +#ifndef CONFIG_PPC_64K_PAGES typedef unsigned long pud_t; #define pud_val(x) (x) #define __pud(x) (x) -#endif +#endif /* !CONFIG_PPC_64K_PAGES */ +#endif /* CONFIG_PPC64 */ typedef unsigned long pgd_t; #define pgd_val(x) (x) diff --git a/include/asm-powerpc/page_32.h b/include/asm-powerpc/page_32.h index 07f6d3cf5e5..374d0db37e1 100644 --- a/include/asm-powerpc/page_32.h +++ b/include/asm-powerpc/page_32.h @@ -14,11 +14,9 @@ #ifdef CONFIG_PTE_64BIT typedef unsigned long long pte_basic_t; #define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */ -#define PTE_FMT "%16Lx" #else typedef unsigned long pte_basic_t; #define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ -#define PTE_FMT "%.8lx" #endif struct page; diff --git a/include/asm-powerpc/parport.h b/include/asm-powerpc/parport.h index b37b81e3727..414c50e2e88 100644 --- a/include/asm-powerpc/parport.h +++ b/include/asm-powerpc/parport.h @@ -12,11 +12,6 @@ #include <asm/prom.h> -extern struct parport *parport_pc_probe_port (unsigned long int base, - unsigned long int base_hi, - int irq, int dma, - struct pci_dev *dev); - static int __devinit parport_pc_find_nonpci_ports (int autoirq, int autodma) { struct device_node *np; diff --git a/include/asm-powerpc/pgalloc-32.h b/include/asm-powerpc/pgalloc-32.h new file mode 100644 index 00000000000..e1307432163 --- /dev/null +++ b/include/asm-powerpc/pgalloc-32.h @@ -0,0 +1,41 @@ +#ifndef _ASM_POWERPC_PGALLOC_32_H +#define _ASM_POWERPC_PGALLOC_32_H + +#include <linux/threads.h> + +extern void __bad_pte(pmd_t *pmd); + +extern pgd_t *pgd_alloc(struct mm_struct *mm); +extern void pgd_free(pgd_t *pgd); + +/* + * We don't have any real pmd's, and this code never triggers because + * the pgd will always be present.. + */ +/* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */ +#define pmd_free(x) do { } while (0) +#define __pmd_free_tlb(tlb,x) do { } while (0) +/* #define pgd_populate(mm, pmd, pte) BUG() */ + +#ifndef CONFIG_BOOKE +#define pmd_populate_kernel(mm, pmd, pte) \ + (pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT) +#define pmd_populate(mm, pmd, pte) \ + (pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT) +#else +#define pmd_populate_kernel(mm, pmd, pte) \ + (pmd_val(*(pmd)) = (unsigned long)pte | _PMD_PRESENT) +#define pmd_populate(mm, pmd, pte) \ + (pmd_val(*(pmd)) = (unsigned long)lowmem_page_address(pte) | _PMD_PRESENT) +#endif + +extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); +extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr); +extern void pte_free_kernel(pte_t *pte); +extern void pte_free(struct page *pte); + +#define __pte_free_tlb(tlb, pte) pte_free((pte)) + +#define check_pgt_cache() do { } while (0) + +#endif /* _ASM_POWERPC_PGALLOC_32_H */ diff --git a/include/asm-powerpc/pgalloc-64.h b/include/asm-powerpc/pgalloc-64.h new file mode 100644 index 00000000000..30b50cf56e2 --- /dev/null +++ b/include/asm-powerpc/pgalloc-64.h @@ -0,0 +1,152 @@ +#ifndef _ASM_POWERPC_PGALLOC_64_H +#define _ASM_POWERPC_PGALLOC_64_H +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/cpumask.h> +#include <linux/percpu.h> + +extern struct kmem_cache *pgtable_cache[]; + +#ifdef CONFIG_PPC_64K_PAGES +#define PTE_CACHE_NUM 0 +#define PMD_CACHE_NUM 1 +#define PGD_CACHE_NUM 2 +#define HUGEPTE_CACHE_NUM 3 +#else +#define PTE_CACHE_NUM 0 +#define PMD_CACHE_NUM 1 +#define PUD_CACHE_NUM 1 +#define PGD_CACHE_NUM 0 +#define HUGEPTE_CACHE_NUM 2 +#endif + +static inline pgd_t *pgd_alloc(struct mm_struct *mm) +{ + return kmem_cache_alloc(pgtable_cache[PGD_CACHE_NUM], GFP_KERNEL); +} + +static inline void pgd_free(pgd_t *pgd) +{ + kmem_cache_free(pgtable_cache[PGD_CACHE_NUM], pgd); +} + +#ifndef CONFIG_PPC_64K_PAGES + +#define pgd_populate(MM, PGD, PUD) pgd_set(PGD, PUD) + +static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) +{ + return kmem_cache_alloc(pgtable_cache[PUD_CACHE_NUM], + GFP_KERNEL|__GFP_REPEAT); +} + +static inline void pud_free(pud_t *pud) +{ + kmem_cache_free(pgtable_cache[PUD_CACHE_NUM], pud); +} + +static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) +{ + pud_set(pud, (unsigned long)pmd); +} + +#define pmd_populate(mm, pmd, pte_page) \ + pmd_populate_kernel(mm, pmd, page_address(pte_page)) +#define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, (unsigned long)(pte)) + + +#else /* CONFIG_PPC_64K_PAGES */ + +#define pud_populate(mm, pud, pmd) pud_set(pud, (unsigned long)pmd) + +static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, + pte_t *pte) +{ + pmd_set(pmd, (unsigned long)pte); +} + +#define pmd_populate(mm, pmd, pte_page) \ + pmd_populate_kernel(mm, pmd, page_address(pte_page)) + +#endif /* CONFIG_PPC_64K_PAGES */ + +static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) +{ + return kmem_cache_alloc(pgtable_cache[PMD_CACHE_NUM], + GFP_KERNEL|__GFP_REPEAT); +} + +static inline void pmd_free(pmd_t *pmd) +{ + kmem_cache_free(pgtable_cache[PMD_CACHE_NUM], pmd); +} + +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, + unsigned long address) +{ + return kmem_cache_alloc(pgtable_cache[PTE_CACHE_NUM], + GFP_KERNEL|__GFP_REPEAT); +} + +static inline struct page *pte_alloc_one(struct mm_struct *mm, + unsigned long address) +{ + return virt_to_page(pte_alloc_one_kernel(mm, address)); +} + +static inline void pte_free_kernel(pte_t *pte) +{ + kmem_cache_free(pgtable_cache[PTE_CACHE_NUM], pte); +} + +static inline void pte_free(struct page *ptepage) +{ + pte_free_kernel(page_address(ptepage)); +} + +#define PGF_CACHENUM_MASK 0x3 + +typedef struct pgtable_free { + unsigned long val; +} pgtable_free_t; + +static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, + unsigned long mask) +{ + BUG_ON(cachenum > PGF_CACHENUM_MASK); + + return (pgtable_free_t){.val = ((unsigned long) p & ~mask) | cachenum}; +} + +static inline void pgtable_free(pgtable_free_t pgf) +{ + void *p = (void *)(pgf.val & ~PGF_CACHENUM_MASK); + int cachenum = pgf.val & PGF_CACHENUM_MASK; + + kmem_cache_free(pgtable_cache[cachenum], p); +} + +extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); + +#define __pte_free_tlb(tlb, ptepage) \ + pgtable_free_tlb(tlb, pgtable_free_cache(page_address(ptepage), \ + PTE_CACHE_NUM, PTE_TABLE_SIZE-1)) +#define __pmd_free_tlb(tlb, pmd) \ + pgtable_free_tlb(tlb, pgtable_free_cache(pmd, \ + PMD_CACHE_NUM, PMD_TABLE_SIZE-1)) +#ifndef CONFIG_PPC_64K_PAGES +#define __pud_free_tlb(tlb, pud) \ + pgtable_free_tlb(tlb, pgtable_free_cache(pud, \ + PUD_CACHE_NUM, PUD_TABLE_SIZE-1)) +#endif /* CONFIG_PPC_64K_PAGES */ + +#define check_pgt_cache() do { } while (0) + +#endif /* _ASM_POWERPC_PGALLOC_64_H */ diff --git a/include/asm-powerpc/pgalloc.h b/include/asm-powerpc/pgalloc.h index b0830db68f8..b4505ed0f0f 100644 --- a/include/asm-powerpc/pgalloc.h +++ b/include/asm-powerpc/pgalloc.h @@ -2,159 +2,11 @@ #define _ASM_POWERPC_PGALLOC_H #ifdef __KERNEL__ -#ifndef CONFIG_PPC64 -#include <asm-ppc/pgalloc.h> +#ifdef CONFIG_PPC64 +#include <asm/pgalloc-64.h> #else - -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/cpumask.h> -#include <linux/percpu.h> - -extern struct kmem_cache *pgtable_cache[]; - -#ifdef CONFIG_PPC_64K_PAGES -#define PTE_CACHE_NUM 0 -#define PMD_CACHE_NUM 1 -#define PGD_CACHE_NUM 2 -#define HUGEPTE_CACHE_NUM 3 -#else -#define PTE_CACHE_NUM 0 -#define PMD_CACHE_NUM 1 -#define PUD_CACHE_NUM 1 -#define PGD_CACHE_NUM 0 -#define HUGEPTE_CACHE_NUM 2 +#include <asm/pgalloc-32.h> #endif -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -static inline pgd_t *pgd_alloc(struct mm_struct *mm) -{ - return kmem_cache_alloc(pgtable_cache[PGD_CACHE_NUM], GFP_KERNEL); -} - -static inline void pgd_free(pgd_t *pgd) -{ - kmem_cache_free(pgtable_cache[PGD_CACHE_NUM], pgd); -} - -#ifndef CONFIG_PPC_64K_PAGES - -#define pgd_populate(MM, PGD, PUD) pgd_set(PGD, PUD) - -static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) -{ - return kmem_cache_alloc(pgtable_cache[PUD_CACHE_NUM], - GFP_KERNEL|__GFP_REPEAT); -} - -static inline void pud_free(pud_t *pud) -{ - kmem_cache_free(pgtable_cache[PUD_CACHE_NUM], pud); -} - -static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -{ - pud_set(pud, (unsigned long)pmd); -} - -#define pmd_populate(mm, pmd, pte_page) \ - pmd_populate_kernel(mm, pmd, page_address(pte_page)) -#define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, (unsigned long)(pte)) - - -#else /* CONFIG_PPC_64K_PAGES */ - -#define pud_populate(mm, pud, pmd) pud_set(pud, (unsigned long)pmd) - -static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, - pte_t *pte) -{ - pmd_set(pmd, (unsigned long)pte); -} - -#define pmd_populate(mm, pmd, pte_page) \ - pmd_populate_kernel(mm, pmd, page_address(pte_page)) - -#endif /* CONFIG_PPC_64K_PAGES */ - -static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) -{ - return kmem_cache_alloc(pgtable_cache[PMD_CACHE_NUM], - GFP_KERNEL|__GFP_REPEAT); -} - -static inline void pmd_free(pmd_t *pmd) -{ - kmem_cache_free(pgtable_cache[PMD_CACHE_NUM], pmd); -} - -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, - unsigned long address) -{ - return kmem_cache_alloc(pgtable_cache[PTE_CACHE_NUM], - GFP_KERNEL|__GFP_REPEAT); -} - -static inline struct page *pte_alloc_one(struct mm_struct *mm, - unsigned long address) -{ - return virt_to_page(pte_alloc_one_kernel(mm, address)); -} - -static inline void pte_free_kernel(pte_t *pte) -{ - kmem_cache_free(pgtable_cache[PTE_CACHE_NUM], pte); -} - -static inline void pte_free(struct page *ptepage) -{ - pte_free_kernel(page_address(ptepage)); -} - -#define PGF_CACHENUM_MASK 0x3 - -typedef struct pgtable_free { - unsigned long val; -} pgtable_free_t; - -static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, - unsigned long mask) -{ - BUG_ON(cachenum > PGF_CACHENUM_MASK); - - return (pgtable_free_t){.val = ((unsigned long) p & ~mask) | cachenum}; -} - -static inline void pgtable_free(pgtable_free_t pgf) -{ - void *p = (void *)(pgf.val & ~PGF_CACHENUM_MASK); - int cachenum = pgf.val & PGF_CACHENUM_MASK; - - kmem_cache_free(pgtable_cache[cachenum], p); -} - -extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); - -#define __pte_free_tlb(tlb, ptepage) \ - pgtable_free_tlb(tlb, pgtable_free_cache(page_address(ptepage), \ - PTE_CACHE_NUM, PTE_TABLE_SIZE-1)) -#define __pmd_free_tlb(tlb, pmd) \ - pgtable_free_tlb(tlb, pgtable_free_cache(pmd, \ - PMD_CACHE_NUM, PMD_TABLE_SIZE-1)) -#ifndef CONFIG_PPC_64K_PAGES -#define __pud_free_tlb(tlb, pud) \ - pgtable_free_tlb(tlb, pgtable_free_cache(pud, \ - PUD_CACHE_NUM, PUD_TABLE_SIZE-1)) -#endif /* CONFIG_PPC_64K_PAGES */ - -#define check_pgt_cache() do { } while (0) - -#endif /* CONFIG_PPC64 */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PGALLOC_H */ diff --git a/include/asm-powerpc/pgtable-4k.h b/include/asm-powerpc/pgtable-4k.h index a28fa8bc01d..1744d6ac12a 100644 --- a/include/asm-powerpc/pgtable-4k.h +++ b/include/asm-powerpc/pgtable-4k.h @@ -1,3 +1,5 @@ +#ifndef _ASM_POWERPC_PGTABLE_4K_H +#define _ASM_POWERPC_PGTABLE_4K_H /* * Entries per page directory level. The PTE level must use a 64b record * for each page table entry. The PMD and PGD level use a 32b record for @@ -100,3 +102,4 @@ #define remap_4k_pfn(vma, addr, pfn, prot) \ remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, (prot)) +#endif /* _ASM_POWERPC_PGTABLE_4K_H */ diff --git a/include/asm-powerpc/pgtable-64k.h b/include/asm-powerpc/pgtable-64k.h index 5e84f070eaf..16ef4978520 100644 --- a/include/asm-powerpc/pgtable-64k.h +++ b/include/asm-powerpc/pgtable-64k.h @@ -1,6 +1,5 @@ #ifndef _ASM_POWERPC_PGTABLE_64K_H #define _ASM_POWERPC_PGTABLE_64K_H -#ifdef __KERNEL__ #include <asm-generic/pgtable-nopud.h> @@ -65,8 +64,6 @@ /* Bits to mask out from a PGD/PUD to get to the PMD page */ #define PUD_MASKED_BITS 0x1ff -#ifndef __ASSEMBLY__ - /* Manipulate "rpte" values */ #define __real_pte(e,p) ((real_pte_t) { \ (e), pte_val(*((p) + PTRS_PER_PTE)) }) @@ -98,6 +95,4 @@ remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, \ __pgprot(pgprot_val((prot)) | _PAGE_4K_PFN)) -#endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PGTABLE_64K_H */ diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h new file mode 100644 index 00000000000..09662a24f22 --- /dev/null +++ b/include/asm-powerpc/pgtable-ppc32.h @@ -0,0 +1,813 @@ +#ifndef _ASM_POWERPC_PGTABLE_PPC32_H +#define _ASM_POWERPC_PGTABLE_PPC32_H + +#include <asm-generic/pgtable-nopmd.h> + +#ifndef __ASSEMBLY__ +#include <linux/sched.h> +#include <linux/threads.h> +#include <asm/processor.h> /* For TASK_SIZE */ +#include <asm/mmu.h> +#include <asm/page.h> +#include <asm/io.h> /* For sub-arch specific PPC_PIN_SIZE */ +struct mm_struct; + +extern unsigned long va_to_phys(unsigned long address); +extern pte_t *va_to_pte(unsigned long address); +extern unsigned long ioremap_bot, ioremap_base; +#endif /* __ASSEMBLY__ */ + +/* + * The PowerPC MMU uses a hash table containing PTEs, together with + * a set of 16 segment registers (on 32-bit implementations), to define + * the virtual to physical address mapping. + * + * We use the hash table as an extended TLB, i.e. a cache of currently + * active mappings. We maintain a two-level page table tree, much + * like that used by the i386, for the sake of the Linux memory + * management code. Low-level assembler code in hashtable.S + * (procedure hash_page) is responsible for extracting ptes from the + * tree and putting them into the hash table when necessary, and + * updating the accessed and modified bits in the page table tree. + */ + +/* + * The PowerPC MPC8xx uses a TLB with hardware assisted, software tablewalk. + * We also use the two level tables, but we can put the real bits in them + * needed for the TLB and tablewalk. These definitions require Mx_CTR.PPM = 0, + * Mx_CTR.PPCS = 0, and MD_CTR.TWAM = 1. The level 2 descriptor has + * additional page protection (when Mx_CTR.PPCS = 1) that allows TLB hit + * based upon user/super access. The TLB does not have accessed nor write + * protect. We assume that if the TLB get loaded with an entry it is + * accessed, and overload the changed bit for write protect. We use + * two bits in the software pte that are supposed to be set to zero in + * the TLB entry (24 and 25) for these indicators. Although the level 1 + * descriptor contains the guarded and writethrough/copyback bits, we can + * set these at the page level since they get copied from the Mx_TWC + * register when the TLB entry is loaded. We will use bit 27 for guard, since + * that is where it exists in the MD_TWC, and bit 26 for writethrough. + * These will get masked from the level 2 descriptor at TLB load time, and + * copied to the MD_TWC before it gets loaded. + * Large page sizes added. We currently support two sizes, 4K and 8M. + * This also allows a TLB hander optimization because we can directly + * load the PMD into MD_TWC. The 8M pages are only used for kernel + * mapping of well known areas. The PMD (PGD) entries contain control + * flags in addition to the address, so care must be taken that the + * software no longer assumes these are only pointers. + */ + +/* + * At present, all PowerPC 400-class processors share a similar TLB + * architecture. The instruction and data sides share a unified, + * 64-entry, fully-associative TLB which is maintained totally under + * software control. In addition, the instruction side has a + * hardware-managed, 4-entry, fully-associative TLB which serves as a + * first level to the shared TLB. These two TLBs are known as the UTLB + * and ITLB, respectively (see "mmu.h" for definitions). + */ + +/* + * The normal case is that PTEs are 32-bits and we have a 1-page + * 1024-entry pgdir pointing to 1-page 1024-entry PTE pages. -- paulus + * + * For any >32-bit physical address platform, we can use the following + * two level page table layout where the pgdir is 8KB and the MS 13 bits + * are an index to the second level table. The combined pgdir/pmd first + * level has 2048 entries and the second level has 512 64-bit PTE entries. + * -Matt + */ +/* PGDIR_SHIFT determines what a top-level page table entry can map */ +#define PGDIR_SHIFT (PAGE_SHIFT + PTE_SHIFT) +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE-1)) + +/* + * entries per page directory level: our page-table tree is two-level, so + * we don't really have any PMD directory. + */ +#define PTRS_PER_PTE (1 << PTE_SHIFT) +#define PTRS_PER_PMD 1 +#define PTRS_PER_PGD (1 << (32 - PGDIR_SHIFT)) + +#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) +#define FIRST_USER_ADDRESS 0 + +#define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT) +#define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS) + +#define pte_ERROR(e) \ + printk("%s:%d: bad pte %llx.\n", __FILE__, __LINE__, \ + (unsigned long long)pte_val(e)) +#define pgd_ERROR(e) \ + printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) + +/* + * Just any arbitrary offset to the start of the vmalloc VM area: the + * current 64MB value just means that there will be a 64MB "hole" after the + * physical memory until the kernel virtual memory starts. That means that + * any out-of-bounds memory accesses will hopefully be caught. + * The vmalloc() routines leaves a hole of 4kB between each vmalloced + * area for the same reason. ;) + * + * We no longer map larger than phys RAM with the BATs so we don't have + * to worry about the VMALLOC_OFFSET causing problems. We do have to worry + * about clashes between our early calls to ioremap() that start growing down + * from ioremap_base being run into the VM area allocations (growing upwards + * from VMALLOC_START). For this reason we have ioremap_bot to check when + * we actually run into our mappings setup in the early boot with the VM + * system. This really does become a problem for machines with good amounts + * of RAM. -- Cort + */ +#define VMALLOC_OFFSET (0x1000000) /* 16M */ +#ifdef PPC_PIN_SIZE +#define VMALLOC_START (((_ALIGN((long)high_memory, PPC_PIN_SIZE) + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))) +#else +#define VMALLOC_START ((((long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))) +#endif +#define VMALLOC_END ioremap_bot + +/* + * Bits in a linux-style PTE. These match the bits in the + * (hardware-defined) PowerPC PTE as closely as possible. + */ + +#if defined(CONFIG_40x) + +/* There are several potential gotchas here. The 40x hardware TLBLO + field looks like this: + + 0 1 2 3 4 ... 18 19 20 21 22 23 24 25 26 27 28 29 30 31 + RPN..................... 0 0 EX WR ZSEL....... W I M G + + Where possible we make the Linux PTE bits match up with this + + - bits 20 and 21 must be cleared, because we use 4k pages (40x can + support down to 1k pages), this is done in the TLBMiss exception + handler. + - We use only zones 0 (for kernel pages) and 1 (for user pages) + of the 16 available. Bit 24-26 of the TLB are cleared in the TLB + miss handler. Bit 27 is PAGE_USER, thus selecting the correct + zone. + - PRESENT *must* be in the bottom two bits because swap cache + entries use the top 30 bits. Because 40x doesn't support SMP + anyway, M is irrelevant so we borrow it for PAGE_PRESENT. Bit 30 + is cleared in the TLB miss handler before the TLB entry is loaded. + - All other bits of the PTE are loaded into TLBLO without + modification, leaving us only the bits 20, 21, 24, 25, 26, 30 for + software PTE bits. We actually use use bits 21, 24, 25, and + 30 respectively for the software bits: ACCESSED, DIRTY, RW, and + PRESENT. +*/ + +/* Definitions for 40x embedded chips. */ +#define _PAGE_GUARDED 0x001 /* G: page is guarded from prefetch */ +#define _PAGE_FILE 0x001 /* when !present: nonlinear file mapping */ +#define _PAGE_PRESENT 0x002 /* software: PTE contains a translation */ +#define _PAGE_NO_CACHE 0x004 /* I: caching is inhibited */ +#define _PAGE_WRITETHRU 0x008 /* W: caching is write-through */ +#define _PAGE_USER 0x010 /* matches one of the zone permission bits */ +#define _PAGE_RW 0x040 /* software: Writes permitted */ +#define _PAGE_DIRTY 0x080 /* software: dirty page */ +#define _PAGE_HWWRITE 0x100 /* hardware: Dirty & RW, set in exception */ +#define _PAGE_HWEXEC 0x200 /* hardware: EX permission */ +#define _PAGE_ACCESSED 0x400 /* software: R: page referenced */ + +#define _PMD_PRESENT 0x400 /* PMD points to page of PTEs */ +#define _PMD_BAD 0x802 +#define _PMD_SIZE 0x0e0 /* size field, != 0 for large-page PMD entry */ +#define _PMD_SIZE_4M 0x0c0 +#define _PMD_SIZE_16M 0x0e0 +#define PMD_PAGE_SIZE(pmdval) (1024 << (((pmdval) & _PMD_SIZE) >> 4)) + +#elif defined(CONFIG_44x) +/* + * Definitions for PPC440 + * + * Because of the 3 word TLB entries to support 36-bit addressing, + * the attribute are difficult to map in such a fashion that they + * are easily loaded during exception processing. I decided to + * organize the entry so the ERPN is the only portion in the + * upper word of the PTE and the attribute bits below are packed + * in as sensibly as they can be in the area below a 4KB page size + * oriented RPN. This at least makes it easy to load the RPN and + * ERPN fields in the TLB. -Matt + * + * Note that these bits preclude future use of a page size + * less than 4KB. + * + * + * PPC 440 core has following TLB attribute fields; + * + * TLB1: + * 0 1 2 3 4 ... 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 + * RPN................................. - - - - - - ERPN....... + * + * TLB2: + * 0 1 2 3 4 ... 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 + * - - - - - - U0 U1 U2 U3 W I M G E - UX UW UR SX SW SR + * + * There are some constrains and options, to decide mapping software bits + * into TLB entry. + * + * - PRESENT *must* be in the bottom three bits because swap cache + * entries use the top 29 bits for TLB2. + * + * - FILE *must* be in the bottom three bits because swap cache + * entries use the top 29 bits for TLB2. + * + * - CACHE COHERENT bit (M) has no effect on PPC440 core, because it + * doesn't support SMP. So we can use this as software bit, like + * DIRTY. + * + * With the PPC 44x Linux implementation, the 0-11th LSBs of the PTE are used + * for memory protection related functions (see PTE structure in + * include/asm-ppc/mmu.h). The _PAGE_XXX definitions in this file map to the + * above bits. Note that the bit values are CPU specific, not architecture + * specific. + * + * The kernel PTE entry holds an arch-dependent swp_entry structure under + * certain situations. In other words, in such situations some portion of + * the PTE bits are used as a swp_entry. In the PPC implementation, the + * 3-24th LSB are shared with swp_entry, however the 0-2nd three LSB still + * hold protection values. That means the three protection bits are + * reserved for both PTE and SWAP entry at the most significant three + * LSBs. + * + * There are three protection bits available for SWAP entry: + * _PAGE_PRESENT + * _PAGE_FILE + * _PAGE_HASHPTE (if HW has) + * + * So those three bits have to be inside of 0-2nd LSB of PTE. + * + */ + +#define _PAGE_PRESENT 0x00000001 /* S: PTE valid */ +#define _PAGE_RW 0x00000002 /* S: Write permission */ +#define _PAGE_FILE 0x00000004 /* S: nonlinear file mapping */ +#define _PAGE_ACCESSED 0x00000008 /* S: Page referenced */ +#define _PAGE_HWWRITE 0x00000010 /* H: Dirty & RW */ +#define _PAGE_HWEXEC 0x00000020 /* H: Execute permission */ +#define _PAGE_USER 0x00000040 /* S: User page */ +#define _PAGE_ENDIAN 0x00000080 /* H: E bit */ +#define _PAGE_GUARDED 0x00000100 /* H: G bit */ +#define _PAGE_DIRTY 0x00000200 /* S: Page dirty */ +#define _PAGE_NO_CACHE 0x00000400 /* H: I bit */ +#define _PAGE_WRITETHRU 0x00000800 /* H: W bit */ + +/* TODO: Add large page lowmem mapping support */ +#define _PMD_PRESENT 0 +#define _PMD_PRESENT_MASK (PAGE_MASK) +#define _PMD_BAD (~PAGE_MASK) + +/* ERPN in a PTE never gets cleared, ignore it */ +#define _PTE_NONE_MASK 0xffffffff00000000ULL + +#elif defined(CONFIG_FSL_BOOKE) +/* + MMU Assist Register 3: + + 32 33 34 35 36 ... 50 51 52 53 54 55 56 57 58 59 60 61 62 63 + RPN...................... 0 0 U0 U1 U2 U3 UX SX UW SW UR SR + + - PRESENT *must* be in the bottom three bits because swap cache + entries use the top 29 bits. + + - FILE *must* be in the bottom three bits because swap cache + entries use the top 29 bits. +*/ + +/* Definitions for FSL Book-E Cores */ +#define _PAGE_PRESENT 0x00001 /* S: PTE contains a translation */ +#define _PAGE_USER 0x00002 /* S: User page (maps to UR) */ +#define _PAGE_FILE 0x00002 /* S: when !present: nonlinear file mapping */ +#define _PAGE_ACCESSED 0x00004 /* S: Page referenced */ +#define _PAGE_HWWRITE 0x00008 /* H: Dirty & RW, set in exception */ +#define _PAGE_RW 0x00010 /* S: Write permission */ +#define _PAGE_HWEXEC 0x00020 /* H: UX permission */ + +#define _PAGE_ENDIAN 0x00040 /* H: E bit */ +#define _PAGE_GUARDED 0x00080 /* H: G bit */ +#define _PAGE_COHERENT 0x00100 /* H: M bit */ +#define _PAGE_NO_CACHE 0x00200 /* H: I bit */ +#define _PAGE_WRITETHRU 0x00400 /* H: W bit */ + +#ifdef CONFIG_PTE_64BIT +#define _PAGE_DIRTY 0x08000 /* S: Page dirty */ + +/* ERPN in a PTE never gets cleared, ignore it */ +#define _PTE_NONE_MASK 0xffffffffffff0000ULL +#else +#define _PAGE_DIRTY 0x00800 /* S: Page dirty */ +#endif + +#define _PMD_PRESENT 0 +#define _PMD_PRESENT_MASK (PAGE_MASK) +#define _PMD_BAD (~PAGE_MASK) + +#elif defined(CONFIG_8xx) +/* Definitions for 8xx embedded chips. */ +#define _PAGE_PRESENT 0x0001 /* Page is valid */ +#define _PAGE_FILE 0x0002 /* when !present: nonlinear file mapping */ +#define _PAGE_NO_CACHE 0x0002 /* I: cache inhibit */ +#define _PAGE_SHARED 0x0004 /* No ASID (context) compare */ + +/* These five software bits must be masked out when the entry is loaded + * into the TLB. + */ +#define _PAGE_EXEC 0x0008 /* software: i-cache coherency required */ +#define _PAGE_GUARDED 0x0010 /* software: guarded access */ +#define _PAGE_DIRTY 0x0020 /* software: page changed */ +#define _PAGE_RW 0x0040 /* software: user write access allowed */ +#define _PAGE_ACCESSED 0x0080 /* software: page referenced */ + +/* Setting any bits in the nibble with the follow two controls will + * require a TLB exception handler change. It is assumed unused bits + * are always zero. + */ +#define _PAGE_HWWRITE 0x0100 /* h/w write enable: never set in Linux PTE */ +#define _PAGE_USER 0x0800 /* One of the PP bits, the other is USER&~RW */ + +#define _PMD_PRESENT 0x0001 +#define _PMD_BAD 0x0ff0 +#define _PMD_PAGE_MASK 0x000c +#define _PMD_PAGE_8M 0x000c + +/* + * The 8xx TLB miss handler allegedly sets _PAGE_ACCESSED in the PTE + * for an address even if _PAGE_PRESENT is not set, as a performance + * optimization. This is a bug if you ever want to use swap unless + * _PAGE_ACCESSED is 2, which it isn't, or unless you have 8xx-specific + * definitions for __swp_entry etc. below, which would be gross. + * -- paulus + */ +#define _PTE_NONE_MASK _PAGE_ACCESSED + +#else /* CONFIG_6xx */ +/* Definitions for 60x, 740/750, etc. */ +#define _PAGE_PRESENT 0x001 /* software: pte contains a translation */ +#define _PAGE_HASHPTE 0x002 /* hash_page has made an HPTE for this pte */ +#define _PAGE_FILE 0x004 /* when !present: nonlinear file mapping */ +#define _PAGE_USER 0x004 /* usermode access allowed */ +#define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */ +#define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */ +#define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */ +#define _PAGE_WRITETHRU 0x040 /* W: cache write-through */ +#define _PAGE_DIRTY 0x080 /* C: page changed */ +#define _PAGE_ACCESSED 0x100 /* R: page referenced */ +#define _PAGE_EXEC 0x200 /* software: i-cache coherency required */ +#define _PAGE_RW 0x400 /* software: user write access allowed */ + +#define _PTE_NONE_MASK _PAGE_HASHPTE + +#define _PMD_PRESENT 0 +#define _PMD_PRESENT_MASK (PAGE_MASK) +#define _PMD_BAD (~PAGE_MASK) +#endif + +/* + * Some bits are only used on some cpu families... + */ +#ifndef _PAGE_HASHPTE +#define _PAGE_HASHPTE 0 +#endif +#ifndef _PTE_NONE_MASK +#define _PTE_NONE_MASK 0 +#endif +#ifndef _PAGE_SHARED +#define _PAGE_SHARED 0 +#endif +#ifndef _PAGE_HWWRITE +#define _PAGE_HWWRITE 0 +#endif +#ifndef _PAGE_HWEXEC +#define _PAGE_HWEXEC 0 +#endif +#ifndef _PAGE_EXEC +#define _PAGE_EXEC 0 +#endif +#ifndef _PMD_PRESENT_MASK +#define _PMD_PRESENT_MASK _PMD_PRESENT +#endif +#ifndef _PMD_SIZE +#define _PMD_SIZE 0 +#define PMD_PAGE_SIZE(pmd) bad_call_to_PMD_PAGE_SIZE() +#endif + +#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) + +/* + * Note: the _PAGE_COHERENT bit automatically gets set in the hardware + * PTE if CONFIG_SMP is defined (hash_page does this); there is no need + * to have it in the Linux PTE, and in fact the bit could be reused for + * another purpose. -- paulus. + */ + +#ifdef CONFIG_44x +#define _PAGE_BASE (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_GUARDED) +#else +#define _PAGE_BASE (_PAGE_PRESENT | _PAGE_ACCESSED) +#endif +#define _PAGE_WRENABLE (_PAGE_RW | _PAGE_DIRTY | _PAGE_HWWRITE) +#define _PAGE_KERNEL (_PAGE_BASE | _PAGE_SHARED | _PAGE_WRENABLE) + +#ifdef CONFIG_PPC_STD_MMU +/* On standard PPC MMU, no user access implies kernel read/write access, + * so to write-protect kernel memory we must turn on user access */ +#define _PAGE_KERNEL_RO (_PAGE_BASE | _PAGE_SHARED | _PAGE_USER) +#else +#define _PAGE_KERNEL_RO (_PAGE_BASE | _PAGE_SHARED) +#endif + +#define _PAGE_IO (_PAGE_KERNEL | _PAGE_NO_CACHE | _PAGE_GUARDED) +#define _PAGE_RAM (_PAGE_KERNEL | _PAGE_HWEXEC) + +#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) +/* We want the debuggers to be able to set breakpoints anywhere, so + * don't write protect the kernel text */ +#define _PAGE_RAM_TEXT _PAGE_RAM +#else +#define _PAGE_RAM_TEXT (_PAGE_KERNEL_RO | _PAGE_HWEXEC) +#endif + +#define PAGE_NONE __pgprot(_PAGE_BASE) +#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_USER) +#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC) +#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW) +#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | _PAGE_EXEC) +#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_USER) +#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC) + +#define PAGE_KERNEL __pgprot(_PAGE_RAM) +#define PAGE_KERNEL_NOCACHE __pgprot(_PAGE_IO) + +/* + * The PowerPC can only do execute protection on a segment (256MB) basis, + * not on a page basis. So we consider execute permission the same as read. + * Also, write permissions imply read permissions. + * This is the closest we can get.. + */ +#define __P000 PAGE_NONE +#define __P001 PAGE_READONLY_X +#define __P010 PAGE_COPY +#define __P011 PAGE_COPY_X +#define __P100 PAGE_READONLY +#define __P101 PAGE_READONLY_X +#define __P110 PAGE_COPY +#define __P111 PAGE_COPY_X + +#define __S000 PAGE_NONE +#define __S001 PAGE_READONLY_X +#define __S010 PAGE_SHARED +#define __S011 PAGE_SHARED_X +#define __S100 PAGE_READONLY +#define __S101 PAGE_READONLY_X +#define __S110 PAGE_SHARED +#define __S111 PAGE_SHARED_X + +#ifndef __ASSEMBLY__ +/* Make sure we get a link error if PMD_PAGE_SIZE is ever called on a + * kernel without large page PMD support */ +extern unsigned long bad_call_to_PMD_PAGE_SIZE(void); + +/* + * Conversions between PTE values and page frame numbers. + */ + +/* in some case we want to additionaly adjust where the pfn is in the pte to + * allow room for more flags */ +#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_PTE_64BIT) +#define PFN_SHIFT_OFFSET (PAGE_SHIFT + 8) +#else +#define PFN_SHIFT_OFFSET (PAGE_SHIFT) +#endif + +#define pte_pfn(x) (pte_val(x) >> PFN_SHIFT_OFFSET) +#define pte_page(x) pfn_to_page(pte_pfn(x)) + +#define pfn_pte(pfn, prot) __pte(((pte_basic_t)(pfn) << PFN_SHIFT_OFFSET) |\ + pgprot_val(prot)) +#define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot) + +/* + * ZERO_PAGE is a global shared page that is always zero: used + * for zero-mapped memory areas etc.. + */ +extern unsigned long empty_zero_page[1024]; +#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) + +#endif /* __ASSEMBLY__ */ + +#define pte_none(pte) ((pte_val(pte) & ~_PTE_NONE_MASK) == 0) +#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT) +#define pte_clear(mm,addr,ptep) do { set_pte_at((mm), (addr), (ptep), __pte(0)); } while (0) + +#define pmd_none(pmd) (!pmd_val(pmd)) +#define pmd_bad(pmd) (pmd_val(pmd) & _PMD_BAD) +#define pmd_present(pmd) (pmd_val(pmd) & _PMD_PRESENT_MASK) +#define pmd_clear(pmdp) do { pmd_val(*(pmdp)) = 0; } while (0) + +#ifndef __ASSEMBLY__ +/* + * The following only work if pte_present() is true. + * Undefined behaviour if not.. + */ +static inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_USER; } +static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; } +static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXEC; } +static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } +static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } +static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; } + +static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; } +static inline void pte_cache(pte_t pte) { pte_val(pte) &= ~_PAGE_NO_CACHE; } + +static inline pte_t pte_rdprotect(pte_t pte) { + pte_val(pte) &= ~_PAGE_USER; return pte; } +static inline pte_t pte_wrprotect(pte_t pte) { + pte_val(pte) &= ~(_PAGE_RW | _PAGE_HWWRITE); return pte; } +static inline pte_t pte_exprotect(pte_t pte) { + pte_val(pte) &= ~_PAGE_EXEC; return pte; } +static inline pte_t pte_mkclean(pte_t pte) { + pte_val(pte) &= ~(_PAGE_DIRTY | _PAGE_HWWRITE); return pte; } +static inline pte_t pte_mkold(pte_t pte) { + pte_val(pte) &= ~_PAGE_ACCESSED; return pte; } + +static inline pte_t pte_mkread(pte_t pte) { + pte_val(pte) |= _PAGE_USER; return pte; } +static inline pte_t pte_mkexec(pte_t pte) { + pte_val(pte) |= _PAGE_USER | _PAGE_EXEC; return pte; } +static inline pte_t pte_mkwrite(pte_t pte) { + pte_val(pte) |= _PAGE_RW; return pte; } +static inline pte_t pte_mkdirty(pte_t pte) { + pte_val(pte) |= _PAGE_DIRTY; return pte; } +static inline pte_t pte_mkyoung(pte_t pte) { + pte_val(pte) |= _PAGE_ACCESSED; return pte; } + +static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) +{ + pte_val(pte) = (pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot); + return pte; +} + +/* + * When flushing the tlb entry for a page, we also need to flush the hash + * table entry. flush_hash_pages is assembler (for speed) in hashtable.S. + */ +extern int flush_hash_pages(unsigned context, unsigned long va, + unsigned long pmdval, int count); + +/* Add an HPTE to the hash table */ +extern void add_hash_page(unsigned context, unsigned long va, + unsigned long pmdval); + +/* + * Atomic PTE updates. + * + * pte_update clears and sets bit atomically, and returns + * the old pte value. In the 64-bit PTE case we lock around the + * low PTE word since we expect ALL flag bits to be there + */ +#ifndef CONFIG_PTE_64BIT +static inline unsigned long pte_update(pte_t *p, unsigned long clr, + unsigned long set) +{ + unsigned long old, tmp; + + __asm__ __volatile__("\ +1: lwarx %0,0,%3\n\ + andc %1,%0,%4\n\ + or %1,%1,%5\n" + PPC405_ERR77(0,%3) +" stwcx. %1,0,%3\n\ + bne- 1b" + : "=&r" (old), "=&r" (tmp), "=m" (*p) + : "r" (p), "r" (clr), "r" (set), "m" (*p) + : "cc" ); + return old; +} +#else +static inline unsigned long long pte_update(pte_t *p, unsigned long clr, + unsigned long set) +{ + unsigned long long old; + unsigned long tmp; + + __asm__ __volatile__("\ +1: lwarx %L0,0,%4\n\ + lwzx %0,0,%3\n\ + andc %1,%L0,%5\n\ + or %1,%1,%6\n" + PPC405_ERR77(0,%3) +" stwcx. %1,0,%4\n\ + bne- 1b" + : "=&r" (old), "=&r" (tmp), "=m" (*p) + : "r" (p), "r" ((unsigned long)(p) + 4), "r" (clr), "r" (set), "m" (*p) + : "cc" ); + return old; +} +#endif + +/* + * set_pte stores a linux PTE into the linux page table. + * On machines which use an MMU hash table we avoid changing the + * _PAGE_HASHPTE bit. + */ +static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte) +{ +#if _PAGE_HASHPTE != 0 + pte_update(ptep, ~_PAGE_HASHPTE, pte_val(pte) & ~_PAGE_HASHPTE); +#else + *ptep = pte; +#endif +} + +/* + * 2.6 calles this without flushing the TLB entry, this is wrong + * for our hash-based implementation, we fix that up here + */ +#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG +static inline int __ptep_test_and_clear_young(unsigned int context, unsigned long addr, pte_t *ptep) +{ + unsigned long old; + old = pte_update(ptep, _PAGE_ACCESSED, 0); +#if _PAGE_HASHPTE != 0 + if (old & _PAGE_HASHPTE) { + unsigned long ptephys = __pa(ptep) & PAGE_MASK; + flush_hash_pages(context, addr, ptephys, 1); + } +#endif + return (old & _PAGE_ACCESSED) != 0; +} +#define ptep_test_and_clear_young(__vma, __addr, __ptep) \ + __ptep_test_and_clear_young((__vma)->vm_mm->context.id, __addr, __ptep) + +#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY +static inline int ptep_test_and_clear_dirty(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) +{ + return (pte_update(ptep, (_PAGE_DIRTY | _PAGE_HWWRITE), 0) & _PAGE_DIRTY) != 0; +} + +#define __HAVE_ARCH_PTEP_GET_AND_CLEAR +static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, + pte_t *ptep) +{ + return __pte(pte_update(ptep, ~_PAGE_HASHPTE, 0)); +} + +#define __HAVE_ARCH_PTEP_SET_WRPROTECT +static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, + pte_t *ptep) +{ + pte_update(ptep, (_PAGE_RW | _PAGE_HWWRITE), 0); +} + +#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS +static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry, int dirty) +{ + unsigned long bits = pte_val(entry) & + (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW); + pte_update(ptep, 0, bits); +} + +#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ + do { \ + __ptep_set_access_flags(__ptep, __entry, __dirty); \ + flush_tlb_page_nohash(__vma, __address); \ + } while(0) + +/* + * Macro to mark a page protection value as "uncacheable". + */ +#define pgprot_noncached(prot) (__pgprot(pgprot_val(prot) | _PAGE_NO_CACHE | _PAGE_GUARDED)) + +struct file; +extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t vma_prot); +#define __HAVE_PHYS_MEM_ACCESS_PROT + +#define __HAVE_ARCH_PTE_SAME +#define pte_same(A,B) (((pte_val(A) ^ pte_val(B)) & ~_PAGE_HASHPTE) == 0) + +/* + * Note that on Book E processors, the pmd contains the kernel virtual + * (lowmem) address of the pte page. The physical address is less useful + * because everything runs with translation enabled (even the TLB miss + * handler). On everything else the pmd contains the physical address + * of the pte page. -- paulus + */ +#ifndef CONFIG_BOOKE +#define pmd_page_vaddr(pmd) \ + ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) +#define pmd_page(pmd) \ + (mem_map + (pmd_val(pmd) >> PAGE_SHIFT)) +#else +#define pmd_page_vaddr(pmd) \ + ((unsigned long) (pmd_val(pmd) & PAGE_MASK)) +#define pmd_page(pmd) \ + (mem_map + (__pa(pmd_val(pmd)) >> PAGE_SHIFT)) +#endif + +/* to find an entry in a kernel page-table-directory */ +#define pgd_offset_k(address) pgd_offset(&init_mm, address) + +/* to find an entry in a page-table-directory */ +#define pgd_index(address) ((address) >> PGDIR_SHIFT) +#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) + +/* Find an entry in the third-level page table.. */ +#define pte_index(address) \ + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) +#define pte_offset_kernel(dir, addr) \ + ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(addr)) +#define pte_offset_map(dir, addr) \ + ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE0) + pte_index(addr)) +#define pte_offset_map_nested(dir, addr) \ + ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE1) + pte_index(addr)) + +#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0) +#define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1) + +extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; + +extern void paging_init(void); + +/* + * Encode and decode a swap entry. + * Note that the bits we use in a PTE for representing a swap entry + * must not include the _PAGE_PRESENT bit, the _PAGE_FILE bit, or the + *_PAGE_HASHPTE bit (if used). -- paulus + */ +#define __swp_type(entry) ((entry).val & 0x1f) +#define __swp_offset(entry) ((entry).val >> 5) +#define __swp_entry(type, offset) ((swp_entry_t) { (type) | ((offset) << 5) }) +#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) >> 3 }) +#define __swp_entry_to_pte(x) ((pte_t) { (x).val << 3 }) + +/* Encode and decode a nonlinear file mapping entry */ +#define PTE_FILE_MAX_BITS 29 +#define pte_to_pgoff(pte) (pte_val(pte) >> 3) +#define pgoff_to_pte(off) ((pte_t) { ((off) << 3) | _PAGE_FILE }) + +/* CONFIG_APUS */ +/* For virtual address to physical address conversion */ +extern void cache_clear(__u32 addr, int length); +extern void cache_push(__u32 addr, int length); +extern int mm_end_of_chunk (unsigned long addr, int len); +extern unsigned long iopa(unsigned long addr); +extern unsigned long mm_ptov(unsigned long addr) __attribute_const__; + +/* Values for nocacheflag and cmode */ +/* These are not used by the APUS kernel_map, but prevents + compilation errors. */ +#define KERNELMAP_FULL_CACHING 0 +#define KERNELMAP_NOCACHE_SER 1 +#define KERNELMAP_NOCACHE_NONSER 2 +#define KERNELMAP_NO_COPYBACK 3 + +/* + * Map some physical address range into the kernel address space. + */ +extern unsigned long kernel_map(unsigned long paddr, unsigned long size, + int nocacheflag, unsigned long *memavailp ); + +/* + * Set cache mode of (kernel space) address range. + */ +extern void kernel_set_cachemode (unsigned long address, unsigned long size, + unsigned int cmode); + +/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ +#define kern_addr_valid(addr) (1) + +#ifdef CONFIG_PHYS_64BIT +extern int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, + unsigned long paddr, unsigned long size, pgprot_t prot); + +static inline int io_remap_pfn_range(struct vm_area_struct *vma, + unsigned long vaddr, + unsigned long pfn, + unsigned long size, + pgprot_t prot) +{ + phys_addr_t paddr64 = fixup_bigphys_addr(pfn << PAGE_SHIFT, size); + return remap_pfn_range(vma, vaddr, paddr64 >> PAGE_SHIFT, size, prot); +} +#else +#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ + remap_pfn_range(vma, vaddr, pfn, size, prot) +#endif + +/* + * No page table caches to initialise + */ +#define pgtable_cache_init() do { } while (0) + +extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, + pmd_t **pmdp); + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_POWERPC_PGTABLE_PPC32_H */ diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h new file mode 100644 index 00000000000..704c4e669fe --- /dev/null +++ b/include/asm-powerpc/pgtable-ppc64.h @@ -0,0 +1,492 @@ +#ifndef _ASM_POWERPC_PGTABLE_PPC64_H_ +#define _ASM_POWERPC_PGTABLE_PPC64_H_ +/* + * This file contains the functions and defines necessary to modify and use + * the ppc64 hashed page table. + */ + +#ifndef __ASSEMBLY__ +#include <linux/stddef.h> +#include <asm/processor.h> /* For TASK_SIZE */ +#include <asm/mmu.h> +#include <asm/page.h> +#include <asm/tlbflush.h> +struct mm_struct; +#endif /* __ASSEMBLY__ */ + +#ifdef CONFIG_PPC_64K_PAGES +#include <asm/pgtable-64k.h> +#else +#include <asm/pgtable-4k.h> +#endif + +#define FIRST_USER_ADDRESS 0 + +/* + * Size of EA range mapped by our pagetables. + */ +#define PGTABLE_EADDR_SIZE (PTE_INDEX_SIZE + PMD_INDEX_SIZE + \ + PUD_INDEX_SIZE + PGD_INDEX_SIZE + PAGE_SHIFT) +#define PGTABLE_RANGE (1UL << PGTABLE_EADDR_SIZE) + +#if TASK_SIZE_USER64 > PGTABLE_RANGE +#error TASK_SIZE_USER64 exceeds pagetable range +#endif + +#if TASK_SIZE_USER64 > (1UL << (USER_ESID_BITS + SID_SHIFT)) +#error TASK_SIZE_USER64 exceeds user VSID range +#endif + +/* + * Define the address range of the vmalloc VM area. + */ +#define VMALLOC_START ASM_CONST(0xD000000000000000) +#define VMALLOC_SIZE ASM_CONST(0x80000000000) +#define VMALLOC_END (VMALLOC_START + VMALLOC_SIZE) + +/* + * Define the address range of the imalloc VM area. + */ +#define PHBS_IO_BASE VMALLOC_END +#define IMALLOC_BASE (PHBS_IO_BASE + 0x80000000ul) /* Reserve 2 gigs for PHBs */ +#define IMALLOC_END (VMALLOC_START + PGTABLE_RANGE) + +/* + * Region IDs + */ +#define REGION_SHIFT 60UL +#define REGION_MASK (0xfUL << REGION_SHIFT) +#define REGION_ID(ea) (((unsigned long)(ea)) >> REGION_SHIFT) + +#define VMALLOC_REGION_ID (REGION_ID(VMALLOC_START)) +#define KERNEL_REGION_ID (REGION_ID(PAGE_OFFSET)) +#define USER_REGION_ID (0UL) + +/* + * Common bits in a linux-style PTE. These match the bits in the + * (hardware-defined) PowerPC PTE as closely as possible. Additional + * bits may be defined in pgtable-*.h + */ +#define _PAGE_PRESENT 0x0001 /* software: pte contains a translation */ +#define _PAGE_USER 0x0002 /* matches one of the PP bits */ +#define _PAGE_FILE 0x0002 /* (!present only) software: pte holds file offset */ +#define _PAGE_EXEC 0x0004 /* No execute on POWER4 and newer (we invert) */ +#define _PAGE_GUARDED 0x0008 +#define _PAGE_COHERENT 0x0010 /* M: enforce memory coherence (SMP systems) */ +#define _PAGE_NO_CACHE 0x0020 /* I: cache inhibit */ +#define _PAGE_WRITETHRU 0x0040 /* W: cache write-through */ +#define _PAGE_DIRTY 0x0080 /* C: page changed */ +#define _PAGE_ACCESSED 0x0100 /* R: page referenced */ +#define _PAGE_RW 0x0200 /* software: user write access allowed */ +#define _PAGE_HASHPTE 0x0400 /* software: pte has an associated HPTE */ +#define _PAGE_BUSY 0x0800 /* software: PTE & hash are busy */ + +#define _PAGE_BASE (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_COHERENT) + +#define _PAGE_WRENABLE (_PAGE_RW | _PAGE_DIRTY) + +/* __pgprot defined in asm-powerpc/page.h */ +#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED) + +#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_RW | _PAGE_USER) +#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_RW | _PAGE_USER | _PAGE_EXEC) +#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_USER) +#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC) +#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_USER) +#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC) +#define PAGE_KERNEL __pgprot(_PAGE_BASE | _PAGE_WRENABLE) +#define PAGE_KERNEL_CI __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED | \ + _PAGE_WRENABLE | _PAGE_NO_CACHE | _PAGE_GUARDED) +#define PAGE_KERNEL_EXEC __pgprot(_PAGE_BASE | _PAGE_WRENABLE | _PAGE_EXEC) + +#define PAGE_AGP __pgprot(_PAGE_BASE | _PAGE_WRENABLE | _PAGE_NO_CACHE) +#define HAVE_PAGE_AGP + +/* PTEIDX nibble */ +#define _PTEIDX_SECONDARY 0x8 +#define _PTEIDX_GROUP_IX 0x7 + + +/* + * POWER4 and newer have per page execute protection, older chips can only + * do this on a segment (256MB) basis. + * + * Also, write permissions imply read permissions. + * This is the closest we can get.. + * + * Note due to the way vm flags are laid out, the bits are XWR + */ +#define __P000 PAGE_NONE +#define __P001 PAGE_READONLY +#define __P010 PAGE_COPY +#define __P011 PAGE_COPY +#define __P100 PAGE_READONLY_X +#define __P101 PAGE_READONLY_X +#define __P110 PAGE_COPY_X +#define __P111 PAGE_COPY_X + +#define __S000 PAGE_NONE +#define __S001 PAGE_READONLY +#define __S010 PAGE_SHARED +#define __S011 PAGE_SHARED +#define __S100 PAGE_READONLY_X +#define __S101 PAGE_READONLY_X +#define __S110 PAGE_SHARED_X +#define __S111 PAGE_SHARED_X + +#ifndef __ASSEMBLY__ + +/* + * ZERO_PAGE is a global shared page that is always zero: used + * for zero-mapped memory areas etc.. + */ +extern unsigned long empty_zero_page[PAGE_SIZE/sizeof(unsigned long)]; +#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) +#endif /* __ASSEMBLY__ */ + +#ifdef CONFIG_HUGETLB_PAGE + +#define HAVE_ARCH_UNMAPPED_AREA +#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN + +#endif + +#ifndef __ASSEMBLY__ + +/* + * Conversion functions: convert a page and protection to a page entry, + * and a page entry and page directory to the page they refer to. + * + * mk_pte takes a (struct page *) as input + */ +#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) + +static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot) +{ + pte_t pte; + + + pte_val(pte) = (pfn << PTE_RPN_SHIFT) | pgprot_val(pgprot); + return pte; +} + +#define pte_modify(_pte, newprot) \ + (__pte((pte_val(_pte) & _PAGE_CHG_MASK) | pgprot_val(newprot))) + +#define pte_none(pte) ((pte_val(pte) & ~_PAGE_HPTEFLAGS) == 0) +#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT) + +/* pte_clear moved to later in this file */ + +#define pte_pfn(x) ((unsigned long)((pte_val(x)>>PTE_RPN_SHIFT))) +#define pte_page(x) pfn_to_page(pte_pfn(x)) + +#define PMD_BAD_BITS (PTE_TABLE_SIZE-1) +#define PUD_BAD_BITS (PMD_TABLE_SIZE-1) + +#define pmd_set(pmdp, pmdval) (pmd_val(*(pmdp)) = (pmdval)) +#define pmd_none(pmd) (!pmd_val(pmd)) +#define pmd_bad(pmd) (!is_kernel_addr(pmd_val(pmd)) \ + || (pmd_val(pmd) & PMD_BAD_BITS)) +#define pmd_present(pmd) (pmd_val(pmd) != 0) +#define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0) +#define pmd_page_vaddr(pmd) (pmd_val(pmd) & ~PMD_MASKED_BITS) +#define pmd_page(pmd) virt_to_page(pmd_page_vaddr(pmd)) + +#define pud_set(pudp, pudval) (pud_val(*(pudp)) = (pudval)) +#define pud_none(pud) (!pud_val(pud)) +#define pud_bad(pud) (!is_kernel_addr(pud_val(pud)) \ + || (pud_val(pud) & PUD_BAD_BITS)) +#define pud_present(pud) (pud_val(pud) != 0) +#define pud_clear(pudp) (pud_val(*(pudp)) = 0) +#define pud_page_vaddr(pud) (pud_val(pud) & ~PUD_MASKED_BITS) +#define pud_page(pud) virt_to_page(pud_page_vaddr(pud)) + +#define pgd_set(pgdp, pudp) ({pgd_val(*(pgdp)) = (unsigned long)(pudp);}) + +/* + * Find an entry in a page-table-directory. We combine the address region + * (the high order N bits) and the pgd portion of the address. + */ +/* to avoid overflow in free_pgtables we don't use PTRS_PER_PGD here */ +#define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & 0x1ff) + +#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) + +#define pmd_offset(pudp,addr) \ + (((pmd_t *) pud_page_vaddr(*(pudp))) + (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))) + +#define pte_offset_kernel(dir,addr) \ + (((pte_t *) pmd_page_vaddr(*(dir))) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) + +#define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr)) +#define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir), (addr)) +#define pte_unmap(pte) do { } while(0) +#define pte_unmap_nested(pte) do { } while(0) + +/* to find an entry in a kernel page-table-directory */ +/* This now only contains the vmalloc pages */ +#define pgd_offset_k(address) pgd_offset(&init_mm, address) + +/* + * The following only work if pte_present() is true. + * Undefined behaviour if not.. + */ +static inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_USER;} +static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW;} +static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXEC;} +static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY;} +static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED;} +static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE;} + +static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; } +static inline void pte_cache(pte_t pte) { pte_val(pte) &= ~_PAGE_NO_CACHE; } + +static inline pte_t pte_rdprotect(pte_t pte) { + pte_val(pte) &= ~_PAGE_USER; return pte; } +static inline pte_t pte_exprotect(pte_t pte) { + pte_val(pte) &= ~_PAGE_EXEC; return pte; } +static inline pte_t pte_wrprotect(pte_t pte) { + pte_val(pte) &= ~(_PAGE_RW); return pte; } +static inline pte_t pte_mkclean(pte_t pte) { + pte_val(pte) &= ~(_PAGE_DIRTY); return pte; } +static inline pte_t pte_mkold(pte_t pte) { + pte_val(pte) &= ~_PAGE_ACCESSED; return pte; } +static inline pte_t pte_mkread(pte_t pte) { + pte_val(pte) |= _PAGE_USER; return pte; } +static inline pte_t pte_mkexec(pte_t pte) { + pte_val(pte) |= _PAGE_USER | _PAGE_EXEC; return pte; } +static inline pte_t pte_mkwrite(pte_t pte) { + pte_val(pte) |= _PAGE_RW; return pte; } +static inline pte_t pte_mkdirty(pte_t pte) { + pte_val(pte) |= _PAGE_DIRTY; return pte; } +static inline pte_t pte_mkyoung(pte_t pte) { + pte_val(pte) |= _PAGE_ACCESSED; return pte; } +static inline pte_t pte_mkhuge(pte_t pte) { + return pte; } + +/* Atomic PTE updates */ +static inline unsigned long pte_update(struct mm_struct *mm, + unsigned long addr, + pte_t *ptep, unsigned long clr, + int huge) +{ + unsigned long old, tmp; + + __asm__ __volatile__( + "1: ldarx %0,0,%3 # pte_update\n\ + andi. %1,%0,%6\n\ + bne- 1b \n\ + andc %1,%0,%4 \n\ + stdcx. %1,0,%3 \n\ + bne- 1b" + : "=&r" (old), "=&r" (tmp), "=m" (*ptep) + : "r" (ptep), "r" (clr), "m" (*ptep), "i" (_PAGE_BUSY) + : "cc" ); + + if (old & _PAGE_HASHPTE) + hpte_need_flush(mm, addr, ptep, old, huge); + return old; +} + +static inline int __ptep_test_and_clear_young(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + unsigned long old; + + if ((pte_val(*ptep) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0) + return 0; + old = pte_update(mm, addr, ptep, _PAGE_ACCESSED, 0); + return (old & _PAGE_ACCESSED) != 0; +} +#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG +#define ptep_test_and_clear_young(__vma, __addr, __ptep) \ +({ \ + int __r; \ + __r = __ptep_test_and_clear_young((__vma)->vm_mm, __addr, __ptep); \ + __r; \ +}) + +/* + * On RW/DIRTY bit transitions we can avoid flushing the hpte. For the + * moment we always flush but we need to fix hpte_update and test if the + * optimisation is worth it. + */ +static inline int __ptep_test_and_clear_dirty(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + unsigned long old; + + if ((pte_val(*ptep) & _PAGE_DIRTY) == 0) + return 0; + old = pte_update(mm, addr, ptep, _PAGE_DIRTY, 0); + return (old & _PAGE_DIRTY) != 0; +} +#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY +#define ptep_test_and_clear_dirty(__vma, __addr, __ptep) \ +({ \ + int __r; \ + __r = __ptep_test_and_clear_dirty((__vma)->vm_mm, __addr, __ptep); \ + __r; \ +}) + +#define __HAVE_ARCH_PTEP_SET_WRPROTECT +static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, + pte_t *ptep) +{ + unsigned long old; + + if ((pte_val(*ptep) & _PAGE_RW) == 0) + return; + old = pte_update(mm, addr, ptep, _PAGE_RW, 0); +} + +/* + * We currently remove entries from the hashtable regardless of whether + * the entry was young or dirty. The generic routines only flush if the + * entry was young or dirty which is not good enough. + * + * We should be more intelligent about this but for the moment we override + * these functions and force a tlb flush unconditionally + */ +#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH +#define ptep_clear_flush_young(__vma, __address, __ptep) \ +({ \ + int __young = __ptep_test_and_clear_young((__vma)->vm_mm, __address, \ + __ptep); \ + __young; \ +}) + +#define __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH +#define ptep_clear_flush_dirty(__vma, __address, __ptep) \ +({ \ + int __dirty = __ptep_test_and_clear_dirty((__vma)->vm_mm, __address, \ + __ptep); \ + __dirty; \ +}) + +#define __HAVE_ARCH_PTEP_GET_AND_CLEAR +static inline pte_t ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + unsigned long old = pte_update(mm, addr, ptep, ~0UL, 0); + return __pte(old); +} + +static inline void pte_clear(struct mm_struct *mm, unsigned long addr, + pte_t * ptep) +{ + pte_update(mm, addr, ptep, ~0UL, 0); +} + +/* + * set_pte stores a linux PTE into the linux page table. + */ +static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte) +{ + if (pte_present(*ptep)) + pte_clear(mm, addr, ptep); + pte = __pte(pte_val(pte) & ~_PAGE_HPTEFLAGS); + *ptep = pte; +} + +/* Set the dirty and/or accessed bits atomically in a linux PTE, this + * function doesn't need to flush the hash entry + */ +#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS +static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry, int dirty) +{ + unsigned long bits = pte_val(entry) & + (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC); + unsigned long old, tmp; + + __asm__ __volatile__( + "1: ldarx %0,0,%4\n\ + andi. %1,%0,%6\n\ + bne- 1b \n\ + or %0,%3,%0\n\ + stdcx. %0,0,%4\n\ + bne- 1b" + :"=&r" (old), "=&r" (tmp), "=m" (*ptep) + :"r" (bits), "r" (ptep), "m" (*ptep), "i" (_PAGE_BUSY) + :"cc"); +} +#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ + do { \ + __ptep_set_access_flags(__ptep, __entry, __dirty); \ + flush_tlb_page_nohash(__vma, __address); \ + } while(0) + +/* + * Macro to mark a page protection value as "uncacheable". + */ +#define pgprot_noncached(prot) (__pgprot(pgprot_val(prot) | _PAGE_NO_CACHE | _PAGE_GUARDED)) + +struct file; +extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t vma_prot); +#define __HAVE_PHYS_MEM_ACCESS_PROT + +#define __HAVE_ARCH_PTE_SAME +#define pte_same(A,B) (((pte_val(A) ^ pte_val(B)) & ~_PAGE_HPTEFLAGS) == 0) + +#define pte_ERROR(e) \ + printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e)) +#define pmd_ERROR(e) \ + printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e)) +#define pgd_ERROR(e) \ + printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) + +extern pgd_t swapper_pg_dir[]; + +extern void paging_init(void); + +/* Encode and de-code a swap entry */ +#define __swp_type(entry) (((entry).val >> 1) & 0x3f) +#define __swp_offset(entry) ((entry).val >> 8) +#define __swp_entry(type, offset) ((swp_entry_t){((type)<< 1)|((offset)<<8)}) +#define __pte_to_swp_entry(pte) ((swp_entry_t){pte_val(pte) >> PTE_RPN_SHIFT}) +#define __swp_entry_to_pte(x) ((pte_t) { (x).val << PTE_RPN_SHIFT }) +#define pte_to_pgoff(pte) (pte_val(pte) >> PTE_RPN_SHIFT) +#define pgoff_to_pte(off) ((pte_t) {((off) << PTE_RPN_SHIFT)|_PAGE_FILE}) +#define PTE_FILE_MAX_BITS (BITS_PER_LONG - PTE_RPN_SHIFT) + +/* + * kern_addr_valid is intended to indicate whether an address is a valid + * kernel address. Most 32-bit archs define it as always true (like this) + * but most 64-bit archs actually perform a test. What should we do here? + * The only use is in fs/ncpfs/dir.c + */ +#define kern_addr_valid(addr) (1) + +#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ + remap_pfn_range(vma, vaddr, pfn, size, prot) + +void pgtable_cache_init(void); + +/* + * find_linux_pte returns the address of a linux pte for a given + * effective address and directory. If not found, it returns zero. + */static inline pte_t *find_linux_pte(pgd_t *pgdir, unsigned long ea) +{ + pgd_t *pg; + pud_t *pu; + pmd_t *pm; + pte_t *pt = NULL; + + pg = pgdir + pgd_index(ea); + if (!pgd_none(*pg)) { + pu = pud_offset(pg, ea); + if (!pud_none(*pu)) { + pm = pmd_offset(pu, ea); + if (pmd_present(*pm)) + pt = pte_offset_kernel(pm, ea); + } + } + return pt; +} + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_POWERPC_PGTABLE_PPC64_H_ */ diff --git a/include/asm-powerpc/pgtable.h b/include/asm-powerpc/pgtable.h index 19edb6982b8..78bf4ae712a 100644 --- a/include/asm-powerpc/pgtable.h +++ b/include/asm-powerpc/pgtable.h @@ -2,502 +2,15 @@ #define _ASM_POWERPC_PGTABLE_H #ifdef __KERNEL__ -#ifndef CONFIG_PPC64 -#include <asm-ppc/pgtable.h> +#if defined(CONFIG_PPC64) +# include <asm/pgtable-ppc64.h> #else - -/* - * This file contains the functions and defines necessary to modify and use - * the ppc64 hashed page table. - */ - -#ifndef __ASSEMBLY__ -#include <linux/stddef.h> -#include <asm/processor.h> /* For TASK_SIZE */ -#include <asm/mmu.h> -#include <asm/page.h> -#include <asm/tlbflush.h> -struct mm_struct; -#endif /* __ASSEMBLY__ */ - -#ifdef CONFIG_PPC_64K_PAGES -#include <asm/pgtable-64k.h> -#else -#include <asm/pgtable-4k.h> -#endif - -#define FIRST_USER_ADDRESS 0 - -/* - * Size of EA range mapped by our pagetables. - */ -#define PGTABLE_EADDR_SIZE (PTE_INDEX_SIZE + PMD_INDEX_SIZE + \ - PUD_INDEX_SIZE + PGD_INDEX_SIZE + PAGE_SHIFT) -#define PGTABLE_RANGE (1UL << PGTABLE_EADDR_SIZE) - -#if TASK_SIZE_USER64 > PGTABLE_RANGE -#error TASK_SIZE_USER64 exceeds pagetable range -#endif - -#if TASK_SIZE_USER64 > (1UL << (USER_ESID_BITS + SID_SHIFT)) -#error TASK_SIZE_USER64 exceeds user VSID range +# include <asm/pgtable-ppc32.h> #endif -/* - * Define the address range of the vmalloc VM area. - */ -#define VMALLOC_START ASM_CONST(0xD000000000000000) -#define VMALLOC_SIZE ASM_CONST(0x80000000000) -#define VMALLOC_END (VMALLOC_START + VMALLOC_SIZE) - -/* - * Define the address range of the imalloc VM area. - */ -#define PHBS_IO_BASE VMALLOC_END -#define IMALLOC_BASE (PHBS_IO_BASE + 0x80000000ul) /* Reserve 2 gigs for PHBs */ -#define IMALLOC_END (VMALLOC_START + PGTABLE_RANGE) - -/* - * Region IDs - */ -#define REGION_SHIFT 60UL -#define REGION_MASK (0xfUL << REGION_SHIFT) -#define REGION_ID(ea) (((unsigned long)(ea)) >> REGION_SHIFT) - -#define VMALLOC_REGION_ID (REGION_ID(VMALLOC_START)) -#define KERNEL_REGION_ID (REGION_ID(PAGE_OFFSET)) -#define USER_REGION_ID (0UL) - -/* - * Common bits in a linux-style PTE. These match the bits in the - * (hardware-defined) PowerPC PTE as closely as possible. Additional - * bits may be defined in pgtable-*.h - */ -#define _PAGE_PRESENT 0x0001 /* software: pte contains a translation */ -#define _PAGE_USER 0x0002 /* matches one of the PP bits */ -#define _PAGE_FILE 0x0002 /* (!present only) software: pte holds file offset */ -#define _PAGE_EXEC 0x0004 /* No execute on POWER4 and newer (we invert) */ -#define _PAGE_GUARDED 0x0008 -#define _PAGE_COHERENT 0x0010 /* M: enforce memory coherence (SMP systems) */ -#define _PAGE_NO_CACHE 0x0020 /* I: cache inhibit */ -#define _PAGE_WRITETHRU 0x0040 /* W: cache write-through */ -#define _PAGE_DIRTY 0x0080 /* C: page changed */ -#define _PAGE_ACCESSED 0x0100 /* R: page referenced */ -#define _PAGE_RW 0x0200 /* software: user write access allowed */ -#define _PAGE_HASHPTE 0x0400 /* software: pte has an associated HPTE */ -#define _PAGE_BUSY 0x0800 /* software: PTE & hash are busy */ - -#define _PAGE_BASE (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_COHERENT) - -#define _PAGE_WRENABLE (_PAGE_RW | _PAGE_DIRTY) - -/* __pgprot defined in asm-powerpc/page.h */ -#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED) - -#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_RW | _PAGE_USER) -#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_RW | _PAGE_USER | _PAGE_EXEC) -#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_USER) -#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC) -#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_USER) -#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC) -#define PAGE_KERNEL __pgprot(_PAGE_BASE | _PAGE_WRENABLE) -#define PAGE_KERNEL_CI __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED | \ - _PAGE_WRENABLE | _PAGE_NO_CACHE | _PAGE_GUARDED) -#define PAGE_KERNEL_EXEC __pgprot(_PAGE_BASE | _PAGE_WRENABLE | _PAGE_EXEC) - -#define PAGE_AGP __pgprot(_PAGE_BASE | _PAGE_WRENABLE | _PAGE_NO_CACHE) -#define HAVE_PAGE_AGP - -/* PTEIDX nibble */ -#define _PTEIDX_SECONDARY 0x8 -#define _PTEIDX_GROUP_IX 0x7 - - -/* - * POWER4 and newer have per page execute protection, older chips can only - * do this on a segment (256MB) basis. - * - * Also, write permissions imply read permissions. - * This is the closest we can get.. - * - * Note due to the way vm flags are laid out, the bits are XWR - */ -#define __P000 PAGE_NONE -#define __P001 PAGE_READONLY -#define __P010 PAGE_COPY -#define __P011 PAGE_COPY -#define __P100 PAGE_READONLY_X -#define __P101 PAGE_READONLY_X -#define __P110 PAGE_COPY_X -#define __P111 PAGE_COPY_X - -#define __S000 PAGE_NONE -#define __S001 PAGE_READONLY -#define __S010 PAGE_SHARED -#define __S011 PAGE_SHARED -#define __S100 PAGE_READONLY_X -#define __S101 PAGE_READONLY_X -#define __S110 PAGE_SHARED_X -#define __S111 PAGE_SHARED_X - #ifndef __ASSEMBLY__ - -/* - * ZERO_PAGE is a global shared page that is always zero: used - * for zero-mapped memory areas etc.. - */ -extern unsigned long empty_zero_page[PAGE_SIZE/sizeof(unsigned long)]; -#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) -#endif /* __ASSEMBLY__ */ - -#ifdef CONFIG_HUGETLB_PAGE - -#define HAVE_ARCH_UNMAPPED_AREA -#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN - -#endif - -#ifndef __ASSEMBLY__ - -/* - * Conversion functions: convert a page and protection to a page entry, - * and a page entry and page directory to the page they refer to. - * - * mk_pte takes a (struct page *) as input - */ -#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) - -static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot) -{ - pte_t pte; - - - pte_val(pte) = (pfn << PTE_RPN_SHIFT) | pgprot_val(pgprot); - return pte; -} - -#define pte_modify(_pte, newprot) \ - (__pte((pte_val(_pte) & _PAGE_CHG_MASK) | pgprot_val(newprot))) - -#define pte_none(pte) ((pte_val(pte) & ~_PAGE_HPTEFLAGS) == 0) -#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT) - -/* pte_clear moved to later in this file */ - -#define pte_pfn(x) ((unsigned long)((pte_val(x)>>PTE_RPN_SHIFT))) -#define pte_page(x) pfn_to_page(pte_pfn(x)) - -#define PMD_BAD_BITS (PTE_TABLE_SIZE-1) -#define PUD_BAD_BITS (PMD_TABLE_SIZE-1) - -#define pmd_set(pmdp, pmdval) (pmd_val(*(pmdp)) = (pmdval)) -#define pmd_none(pmd) (!pmd_val(pmd)) -#define pmd_bad(pmd) (!is_kernel_addr(pmd_val(pmd)) \ - || (pmd_val(pmd) & PMD_BAD_BITS)) -#define pmd_present(pmd) (pmd_val(pmd) != 0) -#define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0) -#define pmd_page_vaddr(pmd) (pmd_val(pmd) & ~PMD_MASKED_BITS) -#define pmd_page(pmd) virt_to_page(pmd_page_vaddr(pmd)) - -#define pud_set(pudp, pudval) (pud_val(*(pudp)) = (pudval)) -#define pud_none(pud) (!pud_val(pud)) -#define pud_bad(pud) (!is_kernel_addr(pud_val(pud)) \ - || (pud_val(pud) & PUD_BAD_BITS)) -#define pud_present(pud) (pud_val(pud) != 0) -#define pud_clear(pudp) (pud_val(*(pudp)) = 0) -#define pud_page_vaddr(pud) (pud_val(pud) & ~PUD_MASKED_BITS) -#define pud_page(pud) virt_to_page(pud_page_vaddr(pud)) - -#define pgd_set(pgdp, pudp) ({pgd_val(*(pgdp)) = (unsigned long)(pudp);}) - -/* - * Find an entry in a page-table-directory. We combine the address region - * (the high order N bits) and the pgd portion of the address. - */ -/* to avoid overflow in free_pgtables we don't use PTRS_PER_PGD here */ -#define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & 0x1ff) - -#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) - -#define pmd_offset(pudp,addr) \ - (((pmd_t *) pud_page_vaddr(*(pudp))) + (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))) - -#define pte_offset_kernel(dir,addr) \ - (((pte_t *) pmd_page_vaddr(*(dir))) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) - -#define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr)) -#define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir), (addr)) -#define pte_unmap(pte) do { } while(0) -#define pte_unmap_nested(pte) do { } while(0) - -/* to find an entry in a kernel page-table-directory */ -/* This now only contains the vmalloc pages */ -#define pgd_offset_k(address) pgd_offset(&init_mm, address) - -/* - * The following only work if pte_present() is true. - * Undefined behaviour if not.. - */ -static inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_USER;} -static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW;} -static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_EXEC;} -static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY;} -static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED;} -static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE;} - -static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; } -static inline void pte_cache(pte_t pte) { pte_val(pte) &= ~_PAGE_NO_CACHE; } - -static inline pte_t pte_rdprotect(pte_t pte) { - pte_val(pte) &= ~_PAGE_USER; return pte; } -static inline pte_t pte_exprotect(pte_t pte) { - pte_val(pte) &= ~_PAGE_EXEC; return pte; } -static inline pte_t pte_wrprotect(pte_t pte) { - pte_val(pte) &= ~(_PAGE_RW); return pte; } -static inline pte_t pte_mkclean(pte_t pte) { - pte_val(pte) &= ~(_PAGE_DIRTY); return pte; } -static inline pte_t pte_mkold(pte_t pte) { - pte_val(pte) &= ~_PAGE_ACCESSED; return pte; } -static inline pte_t pte_mkread(pte_t pte) { - pte_val(pte) |= _PAGE_USER; return pte; } -static inline pte_t pte_mkexec(pte_t pte) { - pte_val(pte) |= _PAGE_USER | _PAGE_EXEC; return pte; } -static inline pte_t pte_mkwrite(pte_t pte) { - pte_val(pte) |= _PAGE_RW; return pte; } -static inline pte_t pte_mkdirty(pte_t pte) { - pte_val(pte) |= _PAGE_DIRTY; return pte; } -static inline pte_t pte_mkyoung(pte_t pte) { - pte_val(pte) |= _PAGE_ACCESSED; return pte; } -static inline pte_t pte_mkhuge(pte_t pte) { - return pte; } - -/* Atomic PTE updates */ -static inline unsigned long pte_update(struct mm_struct *mm, - unsigned long addr, - pte_t *ptep, unsigned long clr, - int huge) -{ - unsigned long old, tmp; - - __asm__ __volatile__( - "1: ldarx %0,0,%3 # pte_update\n\ - andi. %1,%0,%6\n\ - bne- 1b \n\ - andc %1,%0,%4 \n\ - stdcx. %1,0,%3 \n\ - bne- 1b" - : "=&r" (old), "=&r" (tmp), "=m" (*ptep) - : "r" (ptep), "r" (clr), "m" (*ptep), "i" (_PAGE_BUSY) - : "cc" ); - - if (old & _PAGE_HASHPTE) - hpte_need_flush(mm, addr, ptep, old, huge); - return old; -} - -static inline int __ptep_test_and_clear_young(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - unsigned long old; - - if ((pte_val(*ptep) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0) - return 0; - old = pte_update(mm, addr, ptep, _PAGE_ACCESSED, 0); - return (old & _PAGE_ACCESSED) != 0; -} -#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG -#define ptep_test_and_clear_young(__vma, __addr, __ptep) \ -({ \ - int __r; \ - __r = __ptep_test_and_clear_young((__vma)->vm_mm, __addr, __ptep); \ - __r; \ -}) - -/* - * On RW/DIRTY bit transitions we can avoid flushing the hpte. For the - * moment we always flush but we need to fix hpte_update and test if the - * optimisation is worth it. - */ -static inline int __ptep_test_and_clear_dirty(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - unsigned long old; - - if ((pte_val(*ptep) & _PAGE_DIRTY) == 0) - return 0; - old = pte_update(mm, addr, ptep, _PAGE_DIRTY, 0); - return (old & _PAGE_DIRTY) != 0; -} -#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY -#define ptep_test_and_clear_dirty(__vma, __addr, __ptep) \ -({ \ - int __r; \ - __r = __ptep_test_and_clear_dirty((__vma)->vm_mm, __addr, __ptep); \ - __r; \ -}) - -#define __HAVE_ARCH_PTEP_SET_WRPROTECT -static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, - pte_t *ptep) -{ - unsigned long old; - - if ((pte_val(*ptep) & _PAGE_RW) == 0) - return; - old = pte_update(mm, addr, ptep, _PAGE_RW, 0); -} - -/* - * We currently remove entries from the hashtable regardless of whether - * the entry was young or dirty. The generic routines only flush if the - * entry was young or dirty which is not good enough. - * - * We should be more intelligent about this but for the moment we override - * these functions and force a tlb flush unconditionally - */ -#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH -#define ptep_clear_flush_young(__vma, __address, __ptep) \ -({ \ - int __young = __ptep_test_and_clear_young((__vma)->vm_mm, __address, \ - __ptep); \ - __young; \ -}) - -#define __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH -#define ptep_clear_flush_dirty(__vma, __address, __ptep) \ -({ \ - int __dirty = __ptep_test_and_clear_dirty((__vma)->vm_mm, __address, \ - __ptep); \ - __dirty; \ -}) - -#define __HAVE_ARCH_PTEP_GET_AND_CLEAR -static inline pte_t ptep_get_and_clear(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - unsigned long old = pte_update(mm, addr, ptep, ~0UL, 0); - return __pte(old); -} - -static inline void pte_clear(struct mm_struct *mm, unsigned long addr, - pte_t * ptep) -{ - pte_update(mm, addr, ptep, ~0UL, 0); -} - -/* - * set_pte stores a linux PTE into the linux page table. - */ -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte) -{ - if (pte_present(*ptep)) - pte_clear(mm, addr, ptep); - pte = __pte(pte_val(pte) & ~_PAGE_HPTEFLAGS); - *ptep = pte; -} - -/* Set the dirty and/or accessed bits atomically in a linux PTE, this - * function doesn't need to flush the hash entry - */ -#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS -static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry, int dirty) -{ - unsigned long bits = pte_val(entry) & - (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC); - unsigned long old, tmp; - - __asm__ __volatile__( - "1: ldarx %0,0,%4\n\ - andi. %1,%0,%6\n\ - bne- 1b \n\ - or %0,%3,%0\n\ - stdcx. %0,0,%4\n\ - bne- 1b" - :"=&r" (old), "=&r" (tmp), "=m" (*ptep) - :"r" (bits), "r" (ptep), "m" (*ptep), "i" (_PAGE_BUSY) - :"cc"); -} -#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ - do { \ - __ptep_set_access_flags(__ptep, __entry, __dirty); \ - flush_tlb_page_nohash(__vma, __address); \ - } while(0) - -/* - * Macro to mark a page protection value as "uncacheable". - */ -#define pgprot_noncached(prot) (__pgprot(pgprot_val(prot) | _PAGE_NO_CACHE | _PAGE_GUARDED)) - -struct file; -extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, - unsigned long size, pgprot_t vma_prot); -#define __HAVE_PHYS_MEM_ACCESS_PROT - -#define __HAVE_ARCH_PTE_SAME -#define pte_same(A,B) (((pte_val(A) ^ pte_val(B)) & ~_PAGE_HPTEFLAGS) == 0) - -#define pte_ERROR(e) \ - printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e)) -#define pmd_ERROR(e) \ - printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e)) -#define pgd_ERROR(e) \ - printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) - -extern pgd_t swapper_pg_dir[]; - -extern void paging_init(void); - -/* Encode and de-code a swap entry */ -#define __swp_type(entry) (((entry).val >> 1) & 0x3f) -#define __swp_offset(entry) ((entry).val >> 8) -#define __swp_entry(type, offset) ((swp_entry_t){((type)<< 1)|((offset)<<8)}) -#define __pte_to_swp_entry(pte) ((swp_entry_t){pte_val(pte) >> PTE_RPN_SHIFT}) -#define __swp_entry_to_pte(x) ((pte_t) { (x).val << PTE_RPN_SHIFT }) -#define pte_to_pgoff(pte) (pte_val(pte) >> PTE_RPN_SHIFT) -#define pgoff_to_pte(off) ((pte_t) {((off) << PTE_RPN_SHIFT)|_PAGE_FILE}) -#define PTE_FILE_MAX_BITS (BITS_PER_LONG - PTE_RPN_SHIFT) - -/* - * kern_addr_valid is intended to indicate whether an address is a valid - * kernel address. Most 32-bit archs define it as always true (like this) - * but most 64-bit archs actually perform a test. What should we do here? - * The only use is in fs/ncpfs/dir.c - */ -#define kern_addr_valid(addr) (1) - -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - -void pgtable_cache_init(void); - -/* - * find_linux_pte returns the address of a linux pte for a given - * effective address and directory. If not found, it returns zero. - */static inline pte_t *find_linux_pte(pgd_t *pgdir, unsigned long ea) -{ - pgd_t *pg; - pud_t *pu; - pmd_t *pm; - pte_t *pt = NULL; - - pg = pgdir + pgd_index(ea); - if (!pgd_none(*pg)) { - pu = pud_offset(pg, ea); - if (!pud_none(*pu)) { - pm = pmd_offset(pu, ea); - if (pmd_present(*pm)) - pt = pte_offset_kernel(pm, ea); - } - } - return pt; -} - - #include <asm-generic/pgtable.h> - #endif /* __ASSEMBLY__ */ -#endif /* CONFIG_PPC64 */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PGTABLE_H */ diff --git a/include/asm-powerpc/pmac_feature.h b/include/asm-powerpc/pmac_feature.h index d3599cc9aa7..d43d91beba9 100644 --- a/include/asm-powerpc/pmac_feature.h +++ b/include/asm-powerpc/pmac_feature.h @@ -146,7 +146,7 @@ struct device_node; static inline long pmac_call_feature(int selector, struct device_node* node, long param, long value) { - if (!ppc_md.feature_call) + if (!ppc_md.feature_call || !machine_is(powermac)) return -ENODEV; return ppc_md.feature_call(selector, node, param, value); } diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h index ec400f608e1..6845af93ba9 100644 --- a/include/asm-powerpc/prom.h +++ b/include/asm-powerpc/prom.h @@ -20,7 +20,6 @@ #include <linux/platform_device.h> #include <asm/irq.h> #include <asm/atomic.h> -#include <asm/io.h> /* Definitions used by the flattened device tree */ #define OF_DT_HEADER 0xd00dfeed /* marker */ @@ -334,30 +333,17 @@ extern int of_irq_map_one(struct device_node *device, int index, struct pci_dev; extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); -static inline int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) -{ - int irq = irq_of_parse_and_map(dev, index); - - /* Only dereference the resource if both the - * resource and the irq are valid. */ - if (r && irq != NO_IRQ) { - r->start = r->end = irq; - r->flags = IORESOURCE_IRQ; - } - - return irq; -} - -static inline void __iomem *of_iomap(struct device_node *np, int index) -{ - struct resource res; - - if (of_address_to_resource(np, index, &res)) - return NULL; - - return ioremap(res.start, 1 + res.end - res.start); -} +extern int of_irq_to_resource(struct device_node *dev, int index, + struct resource *r); +/** + * of_iomap - Maps the memory mapped IO for a given device_node + * @device: the device whose io range will be mapped + * @index: index of the io range + * + * Returns a pointer to the mapped memory + */ +extern void __iomem *of_iomap(struct device_node *device, int index); #endif /* __KERNEL__ */ #endif /* _POWERPC_PROM_H */ diff --git a/include/asm-powerpc/ps3.h b/include/asm-powerpc/ps3.h index 821581a8b64..13c372df99e 100644 --- a/include/asm-powerpc/ps3.h +++ b/include/asm-powerpc/ps3.h @@ -167,26 +167,31 @@ enum ps3_cpu_binding { PS3_BINDING_CPU_1 = 1, }; -int ps3_alloc_io_irq(enum ps3_cpu_binding cpu, unsigned int interrupt_id, +int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet, unsigned int *virq); -int ps3_free_io_irq(unsigned int virq); -int ps3_alloc_event_irq(enum ps3_cpu_binding cpu, unsigned int *virq); -int ps3_free_event_irq(unsigned int virq); +int ps3_virq_destroy(unsigned int virq); +int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet, + unsigned int *virq); +int ps3_irq_plug_destroy(unsigned int virq); +int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq); +int ps3_event_receive_port_destroy(unsigned int virq); int ps3_send_event_locally(unsigned int virq); -int ps3_connect_event_irq(enum ps3_cpu_binding cpu, - const struct ps3_device_id *did, unsigned int interrupt_id, + +int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id, unsigned int *virq); -int ps3_disconnect_event_irq(const struct ps3_device_id *did, - unsigned int interrupt_id, unsigned int virq); -int ps3_alloc_vuart_irq(enum ps3_cpu_binding cpu, void* virt_addr_bmp, +int ps3_io_irq_destroy(unsigned int virq); +int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp, unsigned int *virq); -int ps3_free_vuart_irq(unsigned int virq); -int ps3_alloc_spe_irq(enum ps3_cpu_binding cpu, unsigned long spe_id, +int ps3_vuart_irq_destroy(unsigned int virq); +int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id, unsigned int class, unsigned int *virq); -int ps3_free_spe_irq(unsigned int virq); -int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet, +int ps3_spe_irq_destroy(unsigned int virq); + +int ps3_sb_event_receive_port_setup(enum ps3_cpu_binding cpu, + const struct ps3_device_id *did, unsigned int interrupt_id, unsigned int *virq); -int ps3_free_irq(unsigned int virq); +int ps3_sb_event_receive_port_destroy(const struct ps3_device_id *did, + unsigned int interrupt_id, unsigned int virq); /* lv1 result codes */ diff --git a/include/asm-powerpc/suspend.h b/include/asm-powerpc/suspend.h new file mode 100644 index 00000000000..cbf2c9404c3 --- /dev/null +++ b/include/asm-powerpc/suspend.h @@ -0,0 +1,9 @@ +#ifndef __ASM_POWERPC_SUSPEND_H +#define __ASM_POWERPC_SUSPEND_H + +static inline int arch_prepare_suspend(void) { return 0; } + +void save_processor_state(void); +void restore_processor_state(void); + +#endif /* __ASM_POWERPC_SUSPEND_H */ diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h index d3e0906ff2b..09621f611db 100644 --- a/include/asm-powerpc/system.h +++ b/include/asm-powerpc/system.h @@ -7,7 +7,6 @@ #include <linux/kernel.h> #include <asm/hw_irq.h> -#include <asm/atomic.h> /* * Memory barrier. @@ -227,6 +226,29 @@ __xchg_u32(volatile void *p, unsigned long val) return prev; } +/* + * Atomic exchange + * + * Changes the memory location '*ptr' to be val and returns + * the previous value stored there. + */ +static __inline__ unsigned long +__xchg_u32_local(volatile void *p, unsigned long val) +{ + unsigned long prev; + + __asm__ __volatile__( +"1: lwarx %0,0,%2 \n" + PPC405_ERR77(0,%2) +" stwcx. %3,0,%2 \n\ + bne- 1b" + : "=&r" (prev), "+m" (*(volatile unsigned int *)p) + : "r" (p), "r" (val) + : "cc", "memory"); + + return prev; +} + #ifdef CONFIG_PPC64 static __inline__ unsigned long __xchg_u64(volatile void *p, unsigned long val) @@ -246,6 +268,23 @@ __xchg_u64(volatile void *p, unsigned long val) return prev; } + +static __inline__ unsigned long +__xchg_u64_local(volatile void *p, unsigned long val) +{ + unsigned long prev; + + __asm__ __volatile__( +"1: ldarx %0,0,%2 \n" + PPC405_ERR77(0,%2) +" stdcx. %3,0,%2 \n\ + bne- 1b" + : "=&r" (prev), "+m" (*(volatile unsigned long *)p) + : "r" (p), "r" (val) + : "cc", "memory"); + + return prev; +} #endif /* @@ -269,13 +308,32 @@ __xchg(volatile void *ptr, unsigned long x, unsigned int size) return x; } +static __inline__ unsigned long +__xchg_local(volatile void *ptr, unsigned long x, unsigned int size) +{ + switch (size) { + case 4: + return __xchg_u32_local(ptr, x); +#ifdef CONFIG_PPC64 + case 8: + return __xchg_u64_local(ptr, x); +#endif + } + __xchg_called_with_bad_pointer(); + return x; +} #define xchg(ptr,x) \ ({ \ __typeof__(*(ptr)) _x_ = (x); \ (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \ }) -#define tas(ptr) (xchg((ptr),1)) +#define xchg_local(ptr,x) \ + ({ \ + __typeof__(*(ptr)) _x_ = (x); \ + (__typeof__(*(ptr))) __xchg_local((ptr), \ + (unsigned long)_x_, sizeof(*(ptr))); \ + }) /* * Compare and exchange - if *p == old, set it to new, @@ -306,6 +364,28 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) return prev; } +static __inline__ unsigned long +__cmpxchg_u32_local(volatile unsigned int *p, unsigned long old, + unsigned long new) +{ + unsigned int prev; + + __asm__ __volatile__ ( +"1: lwarx %0,0,%2 # __cmpxchg_u32\n\ + cmpw 0,%0,%3\n\ + bne- 2f\n" + PPC405_ERR77(0,%2) +" stwcx. %4,0,%2\n\ + bne- 1b" + "\n\ +2:" + : "=&r" (prev), "+m" (*p) + : "r" (p), "r" (old), "r" (new) + : "cc", "memory"); + + return prev; +} + #ifdef CONFIG_PPC64 static __inline__ unsigned long __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new) @@ -328,6 +408,27 @@ __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new) return prev; } + +static __inline__ unsigned long +__cmpxchg_u64_local(volatile unsigned long *p, unsigned long old, + unsigned long new) +{ + unsigned long prev; + + __asm__ __volatile__ ( +"1: ldarx %0,0,%2 # __cmpxchg_u64\n\ + cmpd 0,%0,%3\n\ + bne- 2f\n\ + stdcx. %4,0,%2\n\ + bne- 1b" + "\n\ +2:" + : "=&r" (prev), "+m" (*p) + : "r" (p), "r" (old), "r" (new) + : "cc", "memory"); + + return prev; +} #endif /* This function doesn't exist, so you'll get a linker error @@ -350,6 +451,22 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, return old; } +static __inline__ unsigned long +__cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, + unsigned int size) +{ + switch (size) { + case 4: + return __cmpxchg_u32_local(ptr, old, new); +#ifdef CONFIG_PPC64 + case 8: + return __cmpxchg_u64_local(ptr, old, new); +#endif + } + __cmpxchg_called_with_bad_pointer(); + return old; +} + #define cmpxchg(ptr,o,n) \ ({ \ __typeof__(*(ptr)) _o_ = (o); \ @@ -358,6 +475,15 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, (unsigned long)_n_, sizeof(*(ptr))); \ }) + +#define cmpxchg_local(ptr,o,n) \ + ({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, sizeof(*(ptr))); \ + }) + #ifdef CONFIG_PPC64 /* * We handle most unaligned accesses in hardware. On the other hand diff --git a/include/asm-powerpc/tsi108.h b/include/asm-powerpc/tsi108.h index 4e95d153be8..f8b60793b7a 100644 --- a/include/asm-powerpc/tsi108.h +++ b/include/asm-powerpc/tsi108.h @@ -68,8 +68,17 @@ #define TSI108_PB_ERRCS_ES (1 << 1) #define TSI108_PB_ISR_PBS_RD_ERR (1 << 8) -#define TSI108_PCI_CFG_BASE_PHYS (0xfb000000) #define TSI108_PCI_CFG_SIZE (0x01000000) + +/* + * PHY Configuration Options + * + * Specify "bcm54xx" in the compatible property of your device tree phy + * nodes if your board uses the Broadcom PHYs + */ +#define TSI108_PHY_MV88E 0 /* Marvel 88Exxxx PHY */ +#define TSI108_PHY_BCM54XX 1 /* Broardcom BCM54xx PHY */ + /* Global variables */ extern u32 tsi108_pci_cfg_base; @@ -93,6 +102,7 @@ typedef struct { u16 phy; /* phy address */ u16 irq_num; /* irq number */ u8 mac_addr[6]; /* phy mac address */ + u16 phy_type; /* type of phy on board */ } hw_info; extern u32 get_vir_csrbase(void); diff --git a/include/asm-powerpc/tsi108_pci.h b/include/asm-powerpc/tsi108_pci.h new file mode 100644 index 00000000000..a9f92f73232 --- /dev/null +++ b/include/asm-powerpc/tsi108_pci.h @@ -0,0 +1,45 @@ +/* + * Copyright 2007 IBM Corp + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _ASM_PPC_TSI108_PCI_H +#define _ASM_PPC_TSI108_PCI_H + +#include <asm/tsi108.h> + +/* Register definitions */ +#define TSI108_PCI_P2O_BAR0 (TSI108_PCI_OFFSET + 0x10) +#define TSI108_PCI_P2O_BAR0_UPPER (TSI108_PCI_OFFSET + 0x14) +#define TSI108_PCI_P2O_BAR2 (TSI108_PCI_OFFSET + 0x18) +#define TSI108_PCI_P2O_BAR2_UPPER (TSI108_PCI_OFFSET + 0x1c) +#define TSI108_PCI_P2O_PAGE_SIZES (TSI108_PCI_OFFSET + 0x4c) +#define TSI108_PCI_PFAB_BAR0 (TSI108_PCI_OFFSET + 0x204) +#define TSI108_PCI_PFAB_BAR0_UPPER (TSI108_PCI_OFFSET + 0x208) +#define TSI108_PCI_PFAB_IO (TSI108_PCI_OFFSET + 0x20c) +#define TSI108_PCI_PFAB_IO_UPPER (TSI108_PCI_OFFSET + 0x210) +#define TSI108_PCI_PFAB_MEM32 (TSI108_PCI_OFFSET + 0x214) +#define TSI108_PCI_PFAB_PFM3 (TSI108_PCI_OFFSET + 0x220) +#define TSI108_PCI_PFAB_PFM4 (TSI108_PCI_OFFSET + 0x230) + +extern int tsi108_setup_pci(struct device_node *dev, u32 cfg_phys, int primary); +extern void tsi108_pci_int_init(struct device_node *node); +extern void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc); +extern void tsi108_clear_pci_cfg_error(void); + +#endif /* _ASM_PPC_TSI108_PCI_H */ diff --git a/include/asm-powerpc/udbg.h b/include/asm-powerpc/udbg.h index d03d8557f70..ce9d82fb7b6 100644 --- a/include/asm-powerpc/udbg.h +++ b/include/asm-powerpc/udbg.h @@ -47,6 +47,7 @@ extern void __init udbg_init_rtas_panel(void); extern void __init udbg_init_rtas_console(void); extern void __init udbg_init_debug_beat(void); extern void __init udbg_init_btext(void); +extern void __init udbg_init_44x_as1(void); #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_UDBG_H */ diff --git a/include/asm-ppc/kdebug.h b/include/asm-ppc/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-ppc/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h index b1fdbf40dba..bed452d4a5f 100644 --- a/include/asm-ppc/pgtable.h +++ b/include/asm-ppc/pgtable.h @@ -827,10 +827,6 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, remap_pfn_range(vma, vaddr, pfn, size, prot) #endif -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - /* * No page table caches to initialise */ diff --git a/include/asm-ppc/system.h b/include/asm-ppc/system.h index 738943584c0..d84a3cf4d03 100644 --- a/include/asm-ppc/system.h +++ b/include/asm-ppc/system.h @@ -6,7 +6,6 @@ #include <linux/kernel.h> -#include <asm/atomic.h> #include <asm/hw_irq.h> /* @@ -170,7 +169,6 @@ xchg_u32(volatile void *p, unsigned long val) extern void __xchg_called_with_bad_pointer(void); #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size) { diff --git a/include/asm-s390/kdebug.h b/include/asm-s390/kdebug.h index d2d7ad27614..04418af08f8 100644 --- a/include/asm-s390/kdebug.h +++ b/include/asm-s390/kdebug.h @@ -8,21 +8,6 @@ struct pt_regs; -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -/* Note - you should never unregister because that can race with NMIs. - * If you really want to do it first unregister - then synchronize_sched - * - then free. - */ -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); - /* * These are only here because kprobes.c wants them to implement a * blatant layering violation. Will hopefully go away soon once all @@ -37,8 +22,6 @@ static inline int unregister_page_fault_notifier(struct notifier_block *nb) return 0; } -extern struct atomic_notifier_head s390die_chain; - enum die_val { DIE_OOPS = 1, DIE_BPT, @@ -54,19 +37,6 @@ enum die_val { DIE_NMI_IPI, }; -static inline int notify_die(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - return atomic_notifier_call_chain(&s390die_chain, val, &args); -} - extern void die(const char *, struct pt_regs *, long); #endif diff --git a/include/asm-s390/kexec.h b/include/asm-s390/kexec.h index 9c35c8ad1af..7592af708b4 100644 --- a/include/asm-s390/kexec.h +++ b/include/asm-s390/kexec.h @@ -34,8 +34,6 @@ /* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_S390 -#define MAX_NOTE_BYTES 1024 - /* Provide a dummy definition to avoid build failures. */ static inline void crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs) { } diff --git a/include/asm-sh/kdebug.h b/include/asm-sh/kdebug.h index ef009baf5a1..493c2062974 100644 --- a/include/asm-sh/kdebug.h +++ b/include/asm-sh/kdebug.h @@ -2,6 +2,7 @@ #define __ASM_SH_KDEBUG_H #include <linux/notifier.h> +#include <asm-generic/kdebug.h> struct pt_regs; diff --git a/include/asm-sh/kexec.h b/include/asm-sh/kexec.h index da36a754860..00f4260ef09 100644 --- a/include/asm-sh/kexec.h +++ b/include/asm-sh/kexec.h @@ -26,8 +26,6 @@ /* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_SH -#define MAX_NOTE_BYTES 1024 - static inline void crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs) { diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h index 184d7fcaaf1..5b523c7e7d9 100644 --- a/include/asm-sh/pgtable.h +++ b/include/asm-sh/pgtable.h @@ -568,10 +568,6 @@ typedef pte_t *pte_addr_t; #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - struct mm_struct; /* diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h index 127af304865..e7e96ee0c8a 100644 --- a/include/asm-sh/system.h +++ b/include/asm-sh/system.h @@ -82,16 +82,6 @@ static inline void sched_cacheflush(void) } #endif -static inline unsigned long tas(volatile int *m) -{ - unsigned long retval; - - __asm__ __volatile__ ("tas.b @%1\n\t" - "movt %0" - : "=r" (retval): "r" (m): "t", "memory"); - return retval; -} - /* * A brief note on ctrl_barrier(), the control register write barrier. * diff --git a/include/asm-sh64/kdebug.h b/include/asm-sh64/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-sh64/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-sh64/pgtable.h b/include/asm-sh64/pgtable.h index 6b97c4cb1d6..b875482eb59 100644 --- a/include/asm-sh64/pgtable.h +++ b/include/asm-sh64/pgtable.h @@ -485,10 +485,6 @@ extern void update_mmu_cache(struct vm_area_struct * vma, #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - #endif /* !__ASSEMBLY__ */ /* diff --git a/include/asm-sh64/system.h b/include/asm-sh64/system.h index b1598c26fcb..5ff94644e8c 100644 --- a/include/asm-sh64/system.h +++ b/include/asm-sh64/system.h @@ -43,8 +43,6 @@ extern struct task_struct *sh64_switch_to(struct task_struct *prev, #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr), 1)) - extern void __xchg_called_with_bad_pointer(void); #define mb() __asm__ __volatile__ ("synco": : :"memory") diff --git a/include/asm-sparc/kdebug.h b/include/asm-sparc/kdebug.h index fba92485fdb..404d8076732 100644 --- a/include/asm-sparc/kdebug.h +++ b/include/asm-sparc/kdebug.h @@ -66,4 +66,8 @@ static inline void sp_enter_debugger(void) #define KDEBUG_DUNNO2_OFF 0x8 #define KDEBUG_TEACH_OFF 0xc +enum die_val { + DIE_UNUSED, +}; + #endif /* !(_SPARC_KDEBUG_H) */ diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h index 100c3eaf3c1..8b6d9c9c8b9 100644 --- a/include/asm-sparc/system.h +++ b/include/asm-sparc/system.h @@ -241,7 +241,6 @@ static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned lon } #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) extern void __xchg_called_with_bad_pointer(void); diff --git a/include/asm-sparc64/Kbuild b/include/asm-sparc64/Kbuild index a7f44408c93..854fd3a65ac 100644 --- a/include/asm-sparc64/Kbuild +++ b/include/asm-sparc64/Kbuild @@ -8,7 +8,6 @@ header-y += apb.h header-y += asi.h header-y += bbc.h header-y += bpp.h -header-y += const.h header-y += display7seg.h header-y += envctrl.h header-y += ipc.h diff --git a/include/asm-sparc64/atomic.h b/include/asm-sparc64/atomic.h index 2f0bec26a69..3fb4e1f7f18 100644 --- a/include/asm-sparc64/atomic.h +++ b/include/asm-sparc64/atomic.h @@ -9,6 +9,7 @@ #define __ARCH_SPARC64_ATOMIC__ #include <linux/types.h> +#include <asm/system.h> typedef struct { volatile int counter; } atomic_t; typedef struct { volatile __s64 counter; } atomic64_t; @@ -70,25 +71,47 @@ extern int atomic64_sub_ret(int, atomic64_t *); #define atomic_add_negative(i, v) (atomic_add_ret(i, v) < 0) #define atomic64_add_negative(i, v) (atomic64_add_ret(i, v) < 0) -#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) +#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - for (;;) { \ - if (unlikely(c == (u))) \ - break; \ - old = atomic_cmpxchg((v), c, c + (a)); \ - if (likely(old == c)) \ - break; \ - c = old; \ - } \ - likely(c != (u)); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) +#define atomic64_cmpxchg(v, o, n) \ + ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) +#define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) + +static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) +{ + long c, old; + c = atomic64_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic64_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) + /* Atomic operations are already serializing */ #ifdef CONFIG_SMP #define smp_mb__before_atomic_dec() membar_storeload_loadload(); diff --git a/include/asm-sparc64/const.h b/include/asm-sparc64/const.h deleted file mode 100644 index 8ad902b2ce0..00000000000 --- a/include/asm-sparc64/const.h +++ /dev/null @@ -1,19 +0,0 @@ -/* const.h: Macros for dealing with constants. */ - -#ifndef _SPARC64_CONST_H -#define _SPARC64_CONST_H - -/* Some constant macros are used in both assembler and - * C code. Therefore we cannot annotate them always with - * 'UL' and other type specificers unilaterally. We - * use the following macros to deal with this. - */ - -#ifdef __ASSEMBLY__ -#define _AC(X,Y) X -#else -#define _AC(X,Y) (X##Y) -#endif - - -#endif /* !(_SPARC64_CONST_H) */ diff --git a/include/asm-sparc64/kdebug.h b/include/asm-sparc64/kdebug.h index 11251bdd00c..f8032e73f38 100644 --- a/include/asm-sparc64/kdebug.h +++ b/include/asm-sparc64/kdebug.h @@ -7,19 +7,8 @@ struct pt_regs; -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); extern int register_page_fault_notifier(struct notifier_block *); extern int unregister_page_fault_notifier(struct notifier_block *); -extern struct atomic_notifier_head sparc64die_chain; extern void bad_trap(struct pt_regs *, long); @@ -36,16 +25,4 @@ enum die_val { DIE_PAGE_FAULT, }; -static inline int notify_die(enum die_val val,char *str, struct pt_regs *regs, - long err, int trap, int sig) -{ - struct die_args args = { .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig }; - - return atomic_notifier_call_chain(&sparc64die_chain, val, &args); -} - #endif diff --git a/include/asm-sparc64/local.h b/include/asm-sparc64/local.h index dfde115ac89..c11c530f74d 100644 --- a/include/asm-sparc64/local.h +++ b/include/asm-sparc64/local.h @@ -1,40 +1 @@ -#ifndef _ARCH_SPARC64_LOCAL_H -#define _ARCH_SPARC64_LOCAL_H - -#include <linux/percpu.h> -#include <asm/atomic.h> - -typedef atomic64_t local_t; - -#define LOCAL_INIT(i) ATOMIC64_INIT(i) -#define local_read(v) atomic64_read(v) -#define local_set(v,i) atomic64_set(v,i) - -#define local_inc(v) atomic64_inc(v) -#define local_dec(v) atomic64_dec(v) -#define local_add(i, v) atomic64_add(i, v) -#define local_sub(i, v) atomic64_sub(i, v) - -#define __local_inc(v) ((v)->counter++) -#define __local_dec(v) ((v)->counter--) -#define __local_add(i,v) ((v)->counter+=(i)) -#define __local_sub(i,v) ((v)->counter-=(i)) - -/* Use these for per-cpu local_t variables: on some archs they are - * much more efficient than these naive implementations. Note they take - * a variable, not an address. - */ -#define cpu_local_read(v) local_read(&__get_cpu_var(v)) -#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i)) - -#define cpu_local_inc(v) local_inc(&__get_cpu_var(v)) -#define cpu_local_dec(v) local_dec(&__get_cpu_var(v)) -#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v)) -#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v)) - -#define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v)) -#define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v)) -#define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v)) -#define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v)) - -#endif /* _ARCH_SPARC64_LOCAL_H */ +#include <asm-generic/local.h> diff --git a/include/asm-sparc64/lsu.h b/include/asm-sparc64/lsu.h index e5329c7f583..79f109840c3 100644 --- a/include/asm-sparc64/lsu.h +++ b/include/asm-sparc64/lsu.h @@ -2,7 +2,7 @@ #ifndef _SPARC64_LSU_H #define _SPARC64_LSU_H -#include <asm/const.h> +#include <linux/const.h> /* LSU Control Register */ #define LSU_CONTROL_PM _AC(0x000001fe00000000,UL) /* Phys-watchpoint byte mask*/ diff --git a/include/asm-sparc64/mmu.h b/include/asm-sparc64/mmu.h index 70af4b6ce13..8abc58f0f9d 100644 --- a/include/asm-sparc64/mmu.h +++ b/include/asm-sparc64/mmu.h @@ -1,8 +1,8 @@ #ifndef __MMU_H #define __MMU_H +#include <linux/const.h> #include <asm/page.h> -#include <asm/const.h> #include <asm/hypervisor.h> #define CTX_NR_BITS 13 diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h index ff736eafa64..7af1077451f 100644 --- a/include/asm-sparc64/page.h +++ b/include/asm-sparc64/page.h @@ -5,7 +5,7 @@ #ifdef __KERNEL__ -#include <asm/const.h> +#include <linux/const.h> #if defined(CONFIG_SPARC64_PAGE_SIZE_8KB) #define PAGE_SHIFT 13 diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h index 46705ef47d2..9e80ad43b29 100644 --- a/include/asm-sparc64/pgtable.h +++ b/include/asm-sparc64/pgtable.h @@ -15,13 +15,13 @@ #include <asm-generic/pgtable-nopud.h> #include <linux/compiler.h> +#include <linux/const.h> #include <asm/types.h> #include <asm/spitfire.h> #include <asm/asi.h> #include <asm/system.h> #include <asm/page.h> #include <asm/processor.h> -#include <asm/const.h> /* The kernel image occupies 0x4000000 to 0x1000000 (4MB --> 32MB). * The page copy blockops can use 0x2000000 to 0x4000000. diff --git a/include/asm-sparc64/pstate.h b/include/asm-sparc64/pstate.h index 49a7924a89a..f3c45484c63 100644 --- a/include/asm-sparc64/pstate.h +++ b/include/asm-sparc64/pstate.h @@ -2,7 +2,7 @@ #ifndef _SPARC64_PSTATE_H #define _SPARC64_PSTATE_H -#include <asm/const.h> +#include <linux/const.h> /* The V9 PSTATE Register (with SpitFire extensions). * diff --git a/include/asm-sparc64/sfafsr.h b/include/asm-sparc64/sfafsr.h index 2f792c20b53..e96137b04a4 100644 --- a/include/asm-sparc64/sfafsr.h +++ b/include/asm-sparc64/sfafsr.h @@ -1,7 +1,7 @@ #ifndef _SPARC64_SFAFSR_H #define _SPARC64_SFAFSR_H -#include <asm/const.h> +#include <linux/const.h> /* Spitfire Asynchronous Fault Status register, ASI=0x4C VA<63:0>=0x0 */ diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h index 32281acb878..8ba380ec6da 100644 --- a/include/asm-sparc64/system.h +++ b/include/asm-sparc64/system.h @@ -253,7 +253,6 @@ static inline unsigned long xchg64(__volatile__ unsigned long *m, unsigned long } #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -#define tas(ptr) (xchg((ptr),1)) extern void __xchg_called_with_bad_pointer(void); diff --git a/include/asm-um/cmpxchg.h b/include/asm-um/cmpxchg.h new file mode 100644 index 00000000000..529376a9988 --- /dev/null +++ b/include/asm-um/cmpxchg.h @@ -0,0 +1,6 @@ +#ifndef __UM_CMPXCHG_H +#define __UM_CMPXCHG_H + +#include "asm/arch/cmpxchg.h" + +#endif diff --git a/include/asm-um/kdebug.h b/include/asm-um/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-um/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-v850/kdebug.h b/include/asm-v850/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-v850/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-v850/system.h b/include/asm-v850/system.h index da39916f10b..0de2481fd99 100644 --- a/include/asm-v850/system.h +++ b/include/asm-v850/system.h @@ -76,7 +76,6 @@ static inline int irqs_disabled (void) #define xchg(ptr, with) \ ((__typeof__ (*(ptr)))__xchg ((unsigned long)(with), (ptr), sizeof (*(ptr)))) -#define tas(ptr) (xchg ((ptr), 1)) static inline unsigned long __xchg (unsigned long with, __volatile__ void *ptr, int size) diff --git a/include/asm-x86_64/Kbuild b/include/asm-x86_64/Kbuild index 89ad1fc27c8..75a2deffca6 100644 --- a/include/asm-x86_64/Kbuild +++ b/include/asm-x86_64/Kbuild @@ -19,4 +19,3 @@ unifdef-y += mce.h unifdef-y += msr.h unifdef-y += mtrr.h unifdef-y += vsyscall.h -unifdef-y += const.h diff --git a/include/asm-x86_64/atomic.h b/include/asm-x86_64/atomic.h index 706ca4b6000..f2e64634fa4 100644 --- a/include/asm-x86_64/atomic.h +++ b/include/asm-x86_64/atomic.h @@ -2,6 +2,7 @@ #define __ARCH_X86_64_ATOMIC__ #include <asm/alternative.h> +#include <asm/cmpxchg.h> /* atomic_t should be 32 bit signed type */ @@ -375,8 +376,8 @@ static __inline__ long atomic64_add_return(long i, atomic64_t *v) long __i = i; __asm__ __volatile__( LOCK_PREFIX "xaddq %0, %1;" - :"=r"(i) - :"m"(v->counter), "0"(i)); + :"+r" (i), "+m" (v->counter) + : : "memory"); return i + __i; } @@ -388,7 +389,10 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t *v) #define atomic64_inc_return(v) (atomic64_add_return(1,v)) #define atomic64_dec_return(v) (atomic64_sub_return(1,v)) -#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new)) +#define atomic64_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new)) +#define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) + +#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new)) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) /** @@ -400,22 +404,49 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t *v) * Atomically adds @a to @v, so long as it was not @u. * Returns non-zero if @v was not @u, and zero otherwise. */ -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - for (;;) { \ - if (unlikely(c == (u))) \ - break; \ - old = atomic_cmpxchg((v), c, c + (a)); \ - if (likely(old == c)) \ - break; \ - c = old; \ - } \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) +/** + * atomic64_add_unless - add unless the number is a given value + * @v: pointer of type atomic64_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as it was not @u. + * Returns non-zero if @v was not @u, and zero otherwise. + */ +static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) +{ + long c, old; + c = atomic64_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic64_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) + /* These are x86-specific, used by some header files */ #define atomic_clear_mask(mask, addr) \ __asm__ __volatile__(LOCK_PREFIX "andl %0,%1" \ diff --git a/include/asm-x86_64/cmpxchg.h b/include/asm-x86_64/cmpxchg.h new file mode 100644 index 00000000000..09a6b6b6b74 --- /dev/null +++ b/include/asm-x86_64/cmpxchg.h @@ -0,0 +1,134 @@ +#ifndef __ASM_CMPXCHG_H +#define __ASM_CMPXCHG_H + +#include <asm/alternative.h> /* Provides LOCK_PREFIX */ + +#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr)))) + +#define __xg(x) ((volatile long *)(x)) + +static inline void set_64bit(volatile unsigned long *ptr, unsigned long val) +{ + *ptr = val; +} + +#define _set_64bit set_64bit + +/* + * Note: no "lock" prefix even on SMP: xchg always implies lock anyway + * Note 2: xchg has side effect, so that attribute volatile is necessary, + * but generally the primitive is invalid, *ptr is output argument. --ANK + */ +static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) +{ + switch (size) { + case 1: + __asm__ __volatile__("xchgb %b0,%1" + :"=q" (x) + :"m" (*__xg(ptr)), "0" (x) + :"memory"); + break; + case 2: + __asm__ __volatile__("xchgw %w0,%1" + :"=r" (x) + :"m" (*__xg(ptr)), "0" (x) + :"memory"); + break; + case 4: + __asm__ __volatile__("xchgl %k0,%1" + :"=r" (x) + :"m" (*__xg(ptr)), "0" (x) + :"memory"); + break; + case 8: + __asm__ __volatile__("xchgq %0,%1" + :"=r" (x) + :"m" (*__xg(ptr)), "0" (x) + :"memory"); + break; + } + return x; +} + +/* + * Atomic compare and exchange. Compare OLD with MEM, if identical, + * store NEW in MEM. Return the initial value in MEM. Success is + * indicated by comparing RETURN with OLD. + */ + +#define __HAVE_ARCH_CMPXCHG 1 + +static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, + unsigned long new, int size) +{ + unsigned long prev; + switch (size) { + case 1: + __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2" + : "=a"(prev) + : "q"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 2: + __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 4: + __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %k1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 8: + __asm__ __volatile__(LOCK_PREFIX "cmpxchgq %1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + } + return old; +} + +static inline unsigned long __cmpxchg_local(volatile void *ptr, + unsigned long old, unsigned long new, int size) +{ + unsigned long prev; + switch (size) { + case 1: + __asm__ __volatile__("cmpxchgb %b1,%2" + : "=a"(prev) + : "q"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 2: + __asm__ __volatile__("cmpxchgw %w1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 4: + __asm__ __volatile__("cmpxchgl %k1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + case 8: + __asm__ __volatile__("cmpxchgq %1,%2" + : "=a"(prev) + : "r"(new), "m"(*__xg(ptr)), "0"(old) + : "memory"); + return prev; + } + return old; +} + +#define cmpxchg(ptr,o,n)\ + ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ + (unsigned long)(n),sizeof(*(ptr)))) +#define cmpxchg_local(ptr,o,n)\ + ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ + (unsigned long)(n),sizeof(*(ptr)))) + +#endif diff --git a/include/asm-x86_64/kdebug.h b/include/asm-x86_64/kdebug.h index 2b0c088e295..74feae945a2 100644 --- a/include/asm-x86_64/kdebug.h +++ b/include/asm-x86_64/kdebug.h @@ -5,19 +5,8 @@ struct pt_regs; -struct die_args { - struct pt_regs *regs; - const char *str; - long err; - int trapnr; - int signr; -}; - -extern int register_die_notifier(struct notifier_block *); -extern int unregister_die_notifier(struct notifier_block *); extern int register_page_fault_notifier(struct notifier_block *); extern int unregister_page_fault_notifier(struct notifier_block *); -extern struct atomic_notifier_head die_chain; /* Grossly misnamed. */ enum die_val { @@ -33,22 +22,10 @@ enum die_val { DIE_GPF, DIE_CALL, DIE_NMI_IPI, + DIE_NMI_POST, DIE_PAGE_FAULT, }; -static inline int notify_die(enum die_val val, const char *str, - struct pt_regs *regs, long err, int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .str = str, - .err = err, - .trapnr = trap, - .signr = sig - }; - return atomic_notifier_call_chain(&die_chain, val, &args); -} - extern void printk_address(unsigned long address); extern void die(const char *,struct pt_regs *,long); extern void __die(const char *,struct pt_regs *,long); diff --git a/include/asm-x86_64/kexec.h b/include/asm-x86_64/kexec.h index 5fab957e109..738e581b67f 100644 --- a/include/asm-x86_64/kexec.h +++ b/include/asm-x86_64/kexec.h @@ -48,8 +48,6 @@ /* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_X86_64 -#define MAX_NOTE_BYTES 1024 - /* * Saving the registers of the cpu on which panic occured in * crash_kexec to save a valid sp. The registers of other cpus diff --git a/include/asm-x86_64/local.h b/include/asm-x86_64/local.h index e769e620022..e87492bb069 100644 --- a/include/asm-x86_64/local.h +++ b/include/asm-x86_64/local.h @@ -2,49 +2,183 @@ #define _ARCH_X8664_LOCAL_H #include <linux/percpu.h> +#include <asm/atomic.h> typedef struct { - volatile long counter; + atomic_long_t a; } local_t; -#define LOCAL_INIT(i) { (i) } +#define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } -#define local_read(v) ((v)->counter) -#define local_set(v,i) (((v)->counter) = (i)) +#define local_read(l) atomic_long_read(&(l)->a) +#define local_set(l,i) atomic_long_set(&(l)->a, (i)) -static inline void local_inc(local_t *v) +static inline void local_inc(local_t *l) { __asm__ __volatile__( "incq %0" - :"=m" (v->counter) - :"m" (v->counter)); + :"=m" (l->a.counter) + :"m" (l->a.counter)); } -static inline void local_dec(local_t *v) +static inline void local_dec(local_t *l) { __asm__ __volatile__( "decq %0" - :"=m" (v->counter) - :"m" (v->counter)); + :"=m" (l->a.counter) + :"m" (l->a.counter)); } -static inline void local_add(long i, local_t *v) +static inline void local_add(long i, local_t *l) { __asm__ __volatile__( "addq %1,%0" - :"=m" (v->counter) - :"ir" (i), "m" (v->counter)); + :"=m" (l->a.counter) + :"ir" (i), "m" (l->a.counter)); } -static inline void local_sub(long i, local_t *v) +static inline void local_sub(long i, local_t *l) { __asm__ __volatile__( "subq %1,%0" - :"=m" (v->counter) - :"ir" (i), "m" (v->counter)); + :"=m" (l->a.counter) + :"ir" (i), "m" (l->a.counter)); } +/** + * local_sub_and_test - subtract value from variable and test result + * @i: integer value to subtract + * @l: pointer to type local_t + * + * Atomically subtracts @i from @l and returns + * true if the result is zero, or false for all + * other cases. + */ +static __inline__ int local_sub_and_test(long i, local_t *l) +{ + unsigned char c; + + __asm__ __volatile__( + "subq %2,%0; sete %1" + :"=m" (l->a.counter), "=qm" (c) + :"ir" (i), "m" (l->a.counter) : "memory"); + return c; +} + +/** + * local_dec_and_test - decrement and test + * @l: pointer to type local_t + * + * Atomically decrements @l by 1 and + * returns true if the result is 0, or false for all other + * cases. + */ +static __inline__ int local_dec_and_test(local_t *l) +{ + unsigned char c; + + __asm__ __volatile__( + "decq %0; sete %1" + :"=m" (l->a.counter), "=qm" (c) + :"m" (l->a.counter) : "memory"); + return c != 0; +} + +/** + * local_inc_and_test - increment and test + * @l: pointer to type local_t + * + * Atomically increments @l by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +static __inline__ int local_inc_and_test(local_t *l) +{ + unsigned char c; + + __asm__ __volatile__( + "incq %0; sete %1" + :"=m" (l->a.counter), "=qm" (c) + :"m" (l->a.counter) : "memory"); + return c != 0; +} + +/** + * local_add_negative - add and test if negative + * @i: integer value to add + * @l: pointer to type local_t + * + * Atomically adds @i to @l and returns true + * if the result is negative, or false when + * result is greater than or equal to zero. + */ +static __inline__ int local_add_negative(long i, local_t *l) +{ + unsigned char c; + + __asm__ __volatile__( + "addq %2,%0; sets %1" + :"=m" (l->a.counter), "=qm" (c) + :"ir" (i), "m" (l->a.counter) : "memory"); + return c; +} + +/** + * local_add_return - add and return + * @i: integer value to add + * @l: pointer to type local_t + * + * Atomically adds @i to @l and returns @i + @l + */ +static __inline__ long local_add_return(long i, local_t *l) +{ + long __i = i; + __asm__ __volatile__( + "xaddq %0, %1;" + :"+r" (i), "+m" (l->a.counter) + : : "memory"); + return i + __i; +} + +static __inline__ long local_sub_return(long i, local_t *l) +{ + return local_add_return(-i,l); +} + +#define local_inc_return(l) (local_add_return(1,l)) +#define local_dec_return(l) (local_sub_return(1,l)) + +#define local_cmpxchg(l, o, n) \ + (cmpxchg_local(&((l)->a.counter), (o), (n))) +/* Always has a lock prefix */ +#define local_xchg(l, n) (xchg(&((l)->a.counter), (n))) + +/** + * atomic_up_add_unless - add unless the number is a given value + * @l: pointer of type local_t + * @a: the amount to add to l... + * @u: ...unless l is equal to u. + * + * Atomically adds @a to @l, so long as it was not @u. + * Returns non-zero if @l was not @u, and zero otherwise. + */ +#define local_add_unless(l, a, u) \ +({ \ + long c, old; \ + c = local_read(l); \ + for (;;) { \ + if (unlikely(c == (u))) \ + break; \ + old = local_cmpxchg((l), c, c + (a)); \ + if (likely(old == c)) \ + break; \ + c = old; \ + } \ + c != (u); \ +}) +#define local_inc_not_zero(l) local_add_unless((l), 1, 0) + /* On x86-64 these are better than the atomic variants on SMP kernels because they dont use a lock prefix. */ #define __local_inc(l) local_inc(l) @@ -62,27 +196,27 @@ static inline void local_sub(long i, local_t *v) /* Need to disable preemption for the cpu local counters otherwise we could still access a variable of a previous CPU in a non atomic way. */ -#define cpu_local_wrap_v(v) \ +#define cpu_local_wrap_v(l) \ ({ local_t res__; \ preempt_disable(); \ - res__ = (v); \ + res__ = (l); \ preempt_enable(); \ res__; }) -#define cpu_local_wrap(v) \ +#define cpu_local_wrap(l) \ ({ preempt_disable(); \ - v; \ + l; \ preempt_enable(); }) \ -#define cpu_local_read(v) cpu_local_wrap_v(local_read(&__get_cpu_var(v))) -#define cpu_local_set(v, i) cpu_local_wrap(local_set(&__get_cpu_var(v), (i))) -#define cpu_local_inc(v) cpu_local_wrap(local_inc(&__get_cpu_var(v))) -#define cpu_local_dec(v) cpu_local_wrap(local_dec(&__get_cpu_var(v))) -#define cpu_local_add(i, v) cpu_local_wrap(local_add((i), &__get_cpu_var(v))) -#define cpu_local_sub(i, v) cpu_local_wrap(local_sub((i), &__get_cpu_var(v))) +#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var(l))) +#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var(l), (i))) +#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var(l))) +#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var(l))) +#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var(l))) +#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var(l))) -#define __cpu_local_inc(v) cpu_local_inc(v) -#define __cpu_local_dec(v) cpu_local_dec(v) -#define __cpu_local_add(i, v) cpu_local_add((i), (v)) -#define __cpu_local_sub(i, v) cpu_local_sub((i), (v)) +#define __cpu_local_inc(l) cpu_local_inc(l) +#define __cpu_local_dec(l) cpu_local_dec(l) +#define __cpu_local_add(i, l) cpu_local_add((i), (l)) +#define __cpu_local_sub(i, l) cpu_local_sub((i), (l)) -#endif /* _ARCH_I386_LOCAL_H */ +#endif /* _ARCH_X8664_LOCAL_H */ diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h index 4d04e247956..dee632fa457 100644 --- a/include/asm-x86_64/page.h +++ b/include/asm-x86_64/page.h @@ -1,7 +1,7 @@ #ifndef _X86_64_PAGE_H #define _X86_64_PAGE_H -#include <asm/const.h> +#include <linux/const.h> /* PAGE_SHIFT determines the page size */ #define PAGE_SHIFT 12 @@ -79,9 +79,10 @@ extern unsigned long phys_base; #define __PHYSICAL_START CONFIG_PHYSICAL_START #define __KERNEL_ALIGN 0x200000 + #define __START_KERNEL (__START_KERNEL_map + __PHYSICAL_START) -#define __START_KERNEL_map 0xffffffff80000000 -#define __PAGE_OFFSET 0xffff810000000000 +#define __START_KERNEL_map _AC(0xffffffff80000000, UL) +#define __PAGE_OFFSET _AC(0xffff810000000000, UL) /* to align the pointer to the (next) page boundary */ #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) @@ -93,7 +94,7 @@ extern unsigned long phys_base; #define __VIRTUAL_MASK ((_AC(1,UL) << __VIRTUAL_MASK_SHIFT) - 1) #define KERNEL_TEXT_SIZE (40*1024*1024) -#define KERNEL_TEXT_START 0xffffffff80000000 +#define KERNEL_TEXT_START _AC(0xffffffff80000000, UL) #define PAGE_OFFSET __PAGE_OFFSET #ifndef __ASSEMBLY__ diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index da3390faaea..08b9831f2e1 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -1,7 +1,7 @@ #ifndef _X86_64_PGTABLE_H #define _X86_64_PGTABLE_H -#include <asm/const.h> +#include <linux/const.h> #ifndef __ASSEMBLY__ /* @@ -134,11 +134,11 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long #define USER_PTRS_PER_PGD ((TASK_SIZE-1)/PGDIR_SIZE+1) #define FIRST_USER_ADDRESS 0 -#define MAXMEM 0x3fffffffffff -#define VMALLOC_START 0xffffc20000000000 -#define VMALLOC_END 0xffffe1ffffffffff -#define MODULES_VADDR 0xffffffff88000000 -#define MODULES_END 0xfffffffffff00000 +#define MAXMEM _AC(0x3fffffffffff, UL) +#define VMALLOC_START _AC(0xffffc20000000000, UL) +#define VMALLOC_END _AC(0xffffe1ffffffffff, UL) +#define MODULES_VADDR _AC(0xffffffff88000000, UL) +#define MODULES_END _AC(0xfffffffffff00000, UL) #define MODULES_LEN (MODULES_END - MODULES_VADDR) #define _PAGE_BIT_PRESENT 0 @@ -411,17 +411,12 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) extern spinlock_t pgd_lock; extern struct list_head pgd_list; -void vmalloc_sync_all(void); extern int kern_addr_valid(unsigned long addr); #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#define MK_IOSPACE_PFN(space, pfn) (pfn) -#define GET_IOSPACE(pfn) 0 -#define GET_PFN(pfn) (pfn) - #define HAVE_ARCH_UNMAPPED_AREA #define pgtable_cache_init() do { } while (0) diff --git a/include/asm-x86_64/serial.h b/include/asm-x86_64/serial.h index b0496e0d72a..8ebd765c674 100644 --- a/include/asm-x86_64/serial.h +++ b/include/asm-x86_64/serial.h @@ -11,19 +11,3 @@ * megabits/second; but this requires the faster clock. */ #define BASE_BAUD ( 1843200 / 16 ) - -/* Standard COM flags (except for COM4, because of the 8514 problem) */ -#ifdef CONFIG_SERIAL_DETECT_IRQ -#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ) -#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ) -#else -#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) -#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF -#endif - -#define SERIAL_PORT_DFNS \ - /* UART CLK PORT IRQ FLAGS */ \ - { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \ - { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \ - { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ - { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h index 213b7fe5d99..b7b8021e8c4 100644 --- a/include/asm-x86_64/system.h +++ b/include/asm-x86_64/system.h @@ -3,7 +3,7 @@ #include <linux/kernel.h> #include <asm/segment.h> -#include <asm/alternative.h> +#include <asm/cmpxchg.h> #ifdef __KERNEL__ @@ -124,100 +124,6 @@ static inline void sched_cacheflush(void) #define nop() __asm__ __volatile__ ("nop") -#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr)))) - -#define tas(ptr) (xchg((ptr),1)) - -#define __xg(x) ((volatile long *)(x)) - -static inline void set_64bit(volatile unsigned long *ptr, unsigned long val) -{ - *ptr = val; -} - -#define _set_64bit set_64bit - -/* - * Note: no "lock" prefix even on SMP: xchg always implies lock anyway - * Note 2: xchg has side effect, so that attribute volatile is necessary, - * but generally the primitive is invalid, *ptr is output argument. --ANK - */ -static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) -{ - switch (size) { - case 1: - __asm__ __volatile__("xchgb %b0,%1" - :"=q" (x) - :"m" (*__xg(ptr)), "0" (x) - :"memory"); - break; - case 2: - __asm__ __volatile__("xchgw %w0,%1" - :"=r" (x) - :"m" (*__xg(ptr)), "0" (x) - :"memory"); - break; - case 4: - __asm__ __volatile__("xchgl %k0,%1" - :"=r" (x) - :"m" (*__xg(ptr)), "0" (x) - :"memory"); - break; - case 8: - __asm__ __volatile__("xchgq %0,%1" - :"=r" (x) - :"m" (*__xg(ptr)), "0" (x) - :"memory"); - break; - } - return x; -} - -/* - * Atomic compare and exchange. Compare OLD with MEM, if identical, - * store NEW in MEM. Return the initial value in MEM. Success is - * indicated by comparing RETURN with OLD. - */ - -#define __HAVE_ARCH_CMPXCHG 1 - -static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, - unsigned long new, int size) -{ - unsigned long prev; - switch (size) { - case 1: - __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2" - : "=a"(prev) - : "q"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - case 2: - __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2" - : "=a"(prev) - : "r"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - case 4: - __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %k1,%2" - : "=a"(prev) - : "r"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - case 8: - __asm__ __volatile__(LOCK_PREFIX "cmpxchgq %1,%2" - : "=a"(prev) - : "r"(new), "m"(*__xg(ptr)), "0"(old) - : "memory"); - return prev; - } - return old; -} - -#define cmpxchg(ptr,o,n)\ - ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ - (unsigned long)(n),sizeof(*(ptr)))) - #ifdef CONFIG_SMP #define smp_mb() mb() #define smp_rmb() rmb() diff --git a/include/asm-x86_64/termbits.h b/include/asm-x86_64/termbits.h index 6cfc3bb10c1..7405756dd41 100644 --- a/include/asm-x86_64/termbits.h +++ b/include/asm-x86_64/termbits.h @@ -160,7 +160,7 @@ struct ktermios { #define CMSPAR 010000000000 /* mark or space (stick) parity */ #define CRTSCTS 020000000000 /* flow control */ -#define IBSHIFT 8 /* Shift from CBAUD to CIBAUD */ +#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */ /* c_lflag bits */ #define ISIG 0000001 diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h index 26e23e01c54..595703949df 100644 --- a/include/asm-x86_64/unistd.h +++ b/include/asm-x86_64/unistd.h @@ -619,6 +619,8 @@ __SYSCALL(__NR_sync_file_range, sys_sync_file_range) __SYSCALL(__NR_vmsplice, sys_vmsplice) #define __NR_move_pages 279 __SYSCALL(__NR_move_pages, sys_move_pages) +#define __NR_utimensat 280 +__SYSCALL(__NR_utimensat, sys_utimensat) #ifndef __NO_STUBS #define __ARCH_WANT_OLD_READDIR diff --git a/include/asm-xtensa/atomic.h b/include/asm-xtensa/atomic.h index 5c267202106..b3b23540f14 100644 --- a/include/asm-xtensa/atomic.h +++ b/include/asm-xtensa/atomic.h @@ -234,14 +234,21 @@ static inline int atomic_sub_return(int i, atomic_t * v) * Atomically adds @a to @v, so long as it was not @u. * Returns non-zero if @v was not @u, and zero otherwise. */ -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ - c = old; \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) static inline void atomic_clear_mask(unsigned int mask, atomic_t *v) diff --git a/include/asm-xtensa/kdebug.h b/include/asm-xtensa/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/include/asm-xtensa/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/include/asm-xtensa/system.h b/include/asm-xtensa/system.h index 4aaed7fe6cf..ddc970847ae 100644 --- a/include/asm-xtensa/system.h +++ b/include/asm-xtensa/system.h @@ -183,8 +183,6 @@ static inline unsigned long xchg_u32(volatile int * m, unsigned long val) return tmp; } -#define tas(ptr) (xchg((ptr),1)) - #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) /* diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 9f05279e7dd..94cc04a143f 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -4,6 +4,7 @@ header-y += hdlc/ header-y += isdn/ header-y += nfsd/ header-y += raid/ +header-y += spi/ header-y += sunrpc/ header-y += tc_act/ header-y += netfilter/ @@ -33,7 +34,6 @@ header-y += atmsvc.h header-y += atm_zatm.h header-y += auto_fs4.h header-y += auxvec.h -header-y += awe_voice.h header-y += ax25.h header-y += b1lli.h header-y += baycom.h @@ -46,6 +46,7 @@ header-y += coda_psdev.h header-y += coff.h header-y += comstats.h header-y += consolemap.h +header-y += const.h header-y += cycx_cfm.h header-y += dlm_device.h header-y += dm-ioctl.h @@ -91,7 +92,6 @@ header-y += ip_mp_alg.h header-y += ipsec.h header-y += ipx.h header-y += irda.h -header-y += isdn_divertif.h header-y += iso_fs.h header-y += ixjuser.h header-y += jffs2.h @@ -121,6 +121,7 @@ header-y += pci_regs.h header-y += personality.h header-y += pfkeyv2.h header-y += pg.h +header-y += phantom.h header-y += pkt_cls.h header-y += pkt_sched.h header-y += posix_types.h @@ -140,6 +141,7 @@ header-y += sockios.h header-y += som.h header-y += sound.h header-y += synclink.h +header-y += taskstats.h header-y += telephony.h header-y += termios.h header-y += ticable.h @@ -239,6 +241,7 @@ unifdef-y += ipv6.h unifdef-y += ipv6_route.h unifdef-y += isdn.h unifdef-y += isdnif.h +unifdef-y += isdn_divertif.h unifdef-y += isdn_ppp.h unifdef-y += isicom.h unifdef-y += jbd.h diff --git a/include/linux/awe_voice.h b/include/linux/awe_voice.h deleted file mode 100644 index bf33f17bea9..00000000000 --- a/include/linux/awe_voice.h +++ /dev/null @@ -1,525 +0,0 @@ -/* - * include/linux/awe_voice.h - * - * Voice information definitions for the low level driver for the - * AWE32/SB32/AWE64 wave table synth. - * version 0.4.4; Jan. 4, 2000 - * - * Copyright (C) 1996-2000 Takashi Iwai - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef AWE_VOICE_H -#define AWE_VOICE_H - -#ifndef SAMPLE_TYPE_AWE32 -#define SAMPLE_TYPE_AWE32 0x20 -#endif - -#define _LINUX_PATCHKEY_H_INDIRECT -#include <linux/patchkey.h> -#undef _LINUX_PATCHKEY_H_INDIRECT - -/*---------------------------------------------------------------- - * patch information record - *----------------------------------------------------------------*/ - -/* patch interface header: 16 bytes */ -typedef struct awe_patch_info { - short key; /* use AWE_PATCH here */ -#define AWE_PATCH _PATCHKEY(0x07) - - short device_no; /* synthesizer number */ - unsigned short sf_id; /* file id (should be zero) */ - short optarg; /* optional argument */ - int len; /* data length (without this header) */ - - short type; /* patch operation type */ -#define AWE_LOAD_INFO 0 /* awe_voice_rec */ -#define AWE_LOAD_DATA 1 /* awe_sample_info */ -#define AWE_OPEN_PATCH 2 /* awe_open_parm */ -#define AWE_CLOSE_PATCH 3 /* none */ -#define AWE_UNLOAD_PATCH 4 /* none */ -#define AWE_REPLACE_DATA 5 /* awe_sample_info (optarg=#channels)*/ -#define AWE_MAP_PRESET 6 /* awe_voice_map */ -/*#define AWE_PROBE_INFO 7*/ /* awe_voice_map (pat only) */ -#define AWE_PROBE_DATA 8 /* optarg=sample */ -#define AWE_REMOVE_INFO 9 /* optarg=(bank<<8)|instr */ -#define AWE_LOAD_CHORUS_FX 0x10 /* awe_chorus_fx_rec (optarg=mode) */ -#define AWE_LOAD_REVERB_FX 0x11 /* awe_reverb_fx_rec (optarg=mode) */ - - short reserved; /* word alignment data */ - - /* the actual patch data begins after this */ -#if defined(AWE_COMPAT_030) && AWE_COMPAT_030 - char data[0]; -#endif -} awe_patch_info; - -/*#define AWE_PATCH_INFO_SIZE 16*/ -#define AWE_PATCH_INFO_SIZE sizeof(awe_patch_info) - - -/*---------------------------------------------------------------- - * open patch - *----------------------------------------------------------------*/ - -#define AWE_PATCH_NAME_LEN 32 - -typedef struct _awe_open_parm { - unsigned short type; /* sample type */ -#define AWE_PAT_TYPE_MISC 0 -#define AWE_PAT_TYPE_GM 1 -#define AWE_PAT_TYPE_GS 2 -#define AWE_PAT_TYPE_MT32 3 -#define AWE_PAT_TYPE_XG 4 -#define AWE_PAT_TYPE_SFX 5 -#define AWE_PAT_TYPE_GUS 6 -#define AWE_PAT_TYPE_MAP 7 - -#define AWE_PAT_LOCKED 0x100 /* lock the samples */ -#define AWE_PAT_SHARED 0x200 /* sample is shared */ - - short reserved; - char name[AWE_PATCH_NAME_LEN]; -} awe_open_parm; - -/*#define AWE_OPEN_PARM_SIZE 28*/ -#define AWE_OPEN_PARM_SIZE sizeof(awe_open_parm) - - -/*---------------------------------------------------------------- - * raw voice information record - *----------------------------------------------------------------*/ - -/* wave table envelope & effect parameters to control EMU8000 */ -typedef struct _awe_voice_parm { - unsigned short moddelay; /* modulation delay (0x8000) */ - unsigned short modatkhld; /* modulation attack & hold time (0x7f7f) */ - unsigned short moddcysus; /* modulation decay & sustain (0x7f7f) */ - unsigned short modrelease; /* modulation release time (0x807f) */ - short modkeyhold, modkeydecay; /* envelope change per key (not used) */ - unsigned short voldelay; /* volume delay (0x8000) */ - unsigned short volatkhld; /* volume attack & hold time (0x7f7f) */ - unsigned short voldcysus; /* volume decay & sustain (0x7f7f) */ - unsigned short volrelease; /* volume release time (0x807f) */ - short volkeyhold, volkeydecay; /* envelope change per key (not used) */ - unsigned short lfo1delay; /* LFO1 delay (0x8000) */ - unsigned short lfo2delay; /* LFO2 delay (0x8000) */ - unsigned short pefe; /* modulation pitch & cutoff (0x0000) */ - unsigned short fmmod; /* LFO1 pitch & cutoff (0x0000) */ - unsigned short tremfrq; /* LFO1 volume & freq (0x0000) */ - unsigned short fm2frq2; /* LFO2 pitch & freq (0x0000) */ - unsigned char cutoff; /* initial cutoff (0xff) */ - unsigned char filterQ; /* initial filter Q [0-15] (0x0) */ - unsigned char chorus; /* chorus send (0x00) */ - unsigned char reverb; /* reverb send (0x00) */ - unsigned short reserved[4]; /* not used */ -} awe_voice_parm; - -typedef struct _awe_voice_parm_block { - unsigned short moddelay; /* modulation delay (0x8000) */ - unsigned char modatk, modhld; - unsigned char moddcy, modsus; - unsigned char modrel, moddummy; - short modkeyhold, modkeydecay; /* envelope change per key (not used) */ - unsigned short voldelay; /* volume delay (0x8000) */ - unsigned char volatk, volhld; - unsigned char voldcy, volsus; - unsigned char volrel, voldummy; - short volkeyhold, volkeydecay; /* envelope change per key (not used) */ - unsigned short lfo1delay; /* LFO1 delay (0x8000) */ - unsigned short lfo2delay; /* LFO2 delay (0x8000) */ - unsigned char env1fc, env1pit; - unsigned char lfo1fc, lfo1pit; - unsigned char lfo1freq, lfo1vol; - unsigned char lfo2freq, lfo2pit; - unsigned char cutoff; /* initial cutoff (0xff) */ - unsigned char filterQ; /* initial filter Q [0-15] (0x0) */ - unsigned char chorus; /* chorus send (0x00) */ - unsigned char reverb; /* reverb send (0x00) */ - unsigned short reserved[4]; /* not used */ -} awe_voice_parm_block; - -#define AWE_VOICE_PARM_SIZE 48 - - -/* wave table parameters: 92 bytes */ -typedef struct _awe_voice_info { - unsigned short sf_id; /* file id (should be zero) */ - unsigned short sample; /* sample id */ - int start, end; /* sample offset correction */ - int loopstart, loopend; /* loop offset correction */ - short rate_offset; /* sample rate pitch offset */ - unsigned short mode; /* sample mode */ -#define AWE_MODE_ROMSOUND 0x8000 -#define AWE_MODE_STEREO 1 -#define AWE_MODE_LOOPING 2 -#define AWE_MODE_NORELEASE 4 /* obsolete */ -#define AWE_MODE_INIT_PARM 8 - - short root; /* midi root key */ - short tune; /* pitch tuning (in cents) */ - signed char low, high; /* key note range */ - signed char vellow, velhigh; /* velocity range */ - signed char fixkey, fixvel; /* fixed key, velocity */ - signed char pan, fixpan; /* panning, fixed panning */ - short exclusiveClass; /* exclusive class (0 = none) */ - unsigned char amplitude; /* sample volume (127 max) */ - unsigned char attenuation; /* attenuation (0.375dB) */ - short scaleTuning; /* pitch scale tuning(%), normally 100 */ - awe_voice_parm parm; /* voice envelope parameters */ - short index; /* internal index (set by driver) */ -} awe_voice_info; - -/*#define AWE_VOICE_INFO_SIZE 92*/ -#define AWE_VOICE_INFO_SIZE sizeof(awe_voice_info) - -/*----------------------------------------------------------------*/ - -/* The info entry of awe_voice_rec is changed from 0 to 1 - * for some compilers refusing zero size array. - * Due to this change, sizeof(awe_voice_rec) becomes different - * from older versions. - * Use AWE_VOICE_REC_SIZE instead. - */ - -/* instrument info header: 4 bytes */ -typedef struct _awe_voice_rec_hdr { - unsigned char bank; /* midi bank number */ - unsigned char instr; /* midi preset number */ - char nvoices; /* number of voices */ - char write_mode; /* write mode; normally 0 */ -#define AWE_WR_APPEND 0 /* append anyway */ -#define AWE_WR_EXCLUSIVE 1 /* skip if already exists */ -#define AWE_WR_REPLACE 2 /* replace if already exists */ -} awe_voice_rec_hdr; - -/*#define AWE_VOICE_REC_SIZE 4*/ -#define AWE_VOICE_REC_SIZE sizeof(awe_voice_rec_hdr) - -/* the standard patch structure for one sample */ -typedef struct _awe_voice_rec_patch { - awe_patch_info patch; - awe_voice_rec_hdr hdr; - awe_voice_info info; -} awe_voice_rec_patch; - - -/* obsolete data type */ -#if defined(AWE_COMPAT_030) && AWE_COMPAT_030 -#define AWE_INFOARRAY_SIZE 0 -#else -#define AWE_INFOARRAY_SIZE 1 -#endif - -typedef struct _awe_voice_rec { - unsigned char bank; /* midi bank number */ - unsigned char instr; /* midi preset number */ - short nvoices; /* number of voices */ - /* voice information follows here */ - awe_voice_info info[AWE_INFOARRAY_SIZE]; -} awe_voice_rec; - - -/*---------------------------------------------------------------- - * sample wave information - *----------------------------------------------------------------*/ - -/* wave table sample header: 32 bytes */ -typedef struct awe_sample_info { - unsigned short sf_id; /* file id (should be zero) */ - unsigned short sample; /* sample id */ - int start, end; /* start & end offset */ - int loopstart, loopend; /* loop start & end offset */ - int size; /* size (0 = ROM) */ - short checksum_flag; /* use check sum = 1 */ - unsigned short mode_flags; /* mode flags */ -#define AWE_SAMPLE_8BITS 1 /* wave data is 8bits */ -#define AWE_SAMPLE_UNSIGNED 2 /* wave data is unsigned */ -#define AWE_SAMPLE_NO_BLANK 4 /* no blank loop is attached */ -#define AWE_SAMPLE_SINGLESHOT 8 /* single-shot w/o loop */ -#define AWE_SAMPLE_BIDIR_LOOP 16 /* bidirectional looping */ -#define AWE_SAMPLE_STEREO_LEFT 32 /* stereo left sound */ -#define AWE_SAMPLE_STEREO_RIGHT 64 /* stereo right sound */ -#define AWE_SAMPLE_REVERSE_LOOP 128 /* reverse looping */ - unsigned int checksum; /* check sum */ -#if defined(AWE_COMPAT_030) && AWE_COMPAT_030 - unsigned short data[0]; /* sample data follows here */ -#endif -} awe_sample_info; - -/*#define AWE_SAMPLE_INFO_SIZE 32*/ -#define AWE_SAMPLE_INFO_SIZE sizeof(awe_sample_info) - - -/*---------------------------------------------------------------- - * voice preset mapping - *----------------------------------------------------------------*/ - -typedef struct awe_voice_map { - int map_bank, map_instr, map_key; /* key = -1 means all keys */ - int src_bank, src_instr, src_key; -} awe_voice_map; - -#define AWE_VOICE_MAP_SIZE sizeof(awe_voice_map) - - -/*---------------------------------------------------------------- - * awe hardware controls - *----------------------------------------------------------------*/ - -#define _AWE_DEBUG_MODE 0x00 -#define _AWE_REVERB_MODE 0x01 -#define _AWE_CHORUS_MODE 0x02 -#define _AWE_REMOVE_LAST_SAMPLES 0x03 -#define _AWE_INITIALIZE_CHIP 0x04 -#define _AWE_SEND_EFFECT 0x05 -#define _AWE_TERMINATE_CHANNEL 0x06 -#define _AWE_TERMINATE_ALL 0x07 -#define _AWE_INITIAL_VOLUME 0x08 -#define _AWE_INITIAL_ATTEN _AWE_INITIAL_VOLUME -#define _AWE_RESET_CHANNEL 0x09 -#define _AWE_CHANNEL_MODE 0x0a -#define _AWE_DRUM_CHANNELS 0x0b -#define _AWE_MISC_MODE 0x0c -#define _AWE_RELEASE_ALL 0x0d -#define _AWE_NOTEOFF_ALL 0x0e -#define _AWE_CHN_PRESSURE 0x0f -/*#define _AWE_GET_CURRENT_MODE 0x10*/ -#define _AWE_EQUALIZER 0x11 -/*#define _AWE_GET_MISC_MODE 0x12*/ -/*#define _AWE_GET_FONTINFO 0x13*/ - -#define _AWE_MODE_FLAG 0x80 -#define _AWE_COOKED_FLAG 0x40 /* not supported */ -#define _AWE_MODE_VALUE_MASK 0x3F - -/*----------------------------------------------------------------*/ - -#define _AWE_SET_CMD(p,dev,voice,cmd,p1,p2) \ -{((char*)(p))[0] = SEQ_PRIVATE;\ - ((char*)(p))[1] = dev;\ - ((char*)(p))[2] = _AWE_MODE_FLAG|(cmd);\ - ((char*)(p))[3] = voice;\ - ((unsigned short*)(p))[2] = p1;\ - ((unsigned short*)(p))[3] = p2;} - -/* buffered access */ -#define _AWE_CMD(dev, voice, cmd, p1, p2) \ -{_SEQ_NEEDBUF(8);\ - _AWE_SET_CMD(_seqbuf + _seqbufptr, dev, voice, cmd, p1, p2);\ - _SEQ_ADVBUF(8);} - -/* direct access */ -#define _AWE_CMD_NOW(seqfd,dev,voice,cmd,p1,p2) \ -{struct seq_event_rec tmp;\ - _AWE_SET_CMD(&tmp, dev, voice, cmd, p1, p2);\ - ioctl(seqfd, SNDCTL_SEQ_OUTOFBAND, &tmp);} - -/*----------------------------------------------------------------*/ - -/* set debugging mode */ -#define AWE_DEBUG_MODE(dev,p1) _AWE_CMD(dev, 0, _AWE_DEBUG_MODE, p1, 0) -/* set reverb mode; from 0 to 7 */ -#define AWE_REVERB_MODE(dev,p1) _AWE_CMD(dev, 0, _AWE_REVERB_MODE, p1, 0) -/* set chorus mode; from 0 to 7 */ -#define AWE_CHORUS_MODE(dev,p1) _AWE_CMD(dev, 0, _AWE_CHORUS_MODE, p1, 0) - -/* reset channel */ -#define AWE_RESET_CHANNEL(dev,ch) _AWE_CMD(dev, ch, _AWE_RESET_CHANNEL, 0, 0) -#define AWE_RESET_CONTROL(dev,ch) _AWE_CMD(dev, ch, _AWE_RESET_CHANNEL, 1, 0) - -/* send an effect to all layers */ -#define AWE_SEND_EFFECT(dev,voice,type,value) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,type,value) -#define AWE_ADD_EFFECT(dev,voice,type,value) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,((type)|0x80),value) -#define AWE_UNSET_EFFECT(dev,voice,type) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,((type)|0x40),0) -/* send an effect to a layer */ -#define AWE_SEND_LAYER_EFFECT(dev,voice,layer,type,value) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,((layer+1)<<8|(type)),value) -#define AWE_ADD_LAYER_EFFECT(dev,voice,layer,type,value) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,((layer+1)<<8|(type)|0x80),value) -#define AWE_UNSET_LAYER_EFFECT(dev,voice,layer,type) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,((layer+1)<<8|(type)|0x40),0) - -/* terminate sound on the channel/voice */ -#define AWE_TERMINATE_CHANNEL(dev,voice) _AWE_CMD(dev,voice,_AWE_TERMINATE_CHANNEL,0,0) -/* terminate all sounds */ -#define AWE_TERMINATE_ALL(dev) _AWE_CMD(dev, 0, _AWE_TERMINATE_ALL, 0, 0) -/* release all sounds (w/o sustain effect) */ -#define AWE_RELEASE_ALL(dev) _AWE_CMD(dev, 0, _AWE_RELEASE_ALL, 0, 0) -/* note off all sounds (w sustain effect) */ -#define AWE_NOTEOFF_ALL(dev) _AWE_CMD(dev, 0, _AWE_NOTEOFF_ALL, 0, 0) - -/* set initial attenuation */ -#define AWE_INITIAL_VOLUME(dev,atten) _AWE_CMD(dev, 0, _AWE_INITIAL_VOLUME, atten, 0) -#define AWE_INITIAL_ATTEN AWE_INITIAL_VOLUME -/* relative attenuation */ -#define AWE_SET_ATTEN(dev,atten) _AWE_CMD(dev, 0, _AWE_INITIAL_VOLUME, atten, 1) - -/* set channel playing mode; mode=0/1/2 */ -#define AWE_SET_CHANNEL_MODE(dev,mode) _AWE_CMD(dev, 0, _AWE_CHANNEL_MODE, mode, 0) -#define AWE_PLAY_INDIRECT 0 /* indirect voice mode (default) */ -#define AWE_PLAY_MULTI 1 /* multi note voice mode */ -#define AWE_PLAY_DIRECT 2 /* direct single voice mode */ -#define AWE_PLAY_MULTI2 3 /* sequencer2 mode; used internally */ - -/* set drum channel mask; channels is 32bit long value */ -#define AWE_DRUM_CHANNELS(dev,channels) _AWE_CMD(dev, 0, _AWE_DRUM_CHANNELS, ((channels) & 0xffff), ((channels) >> 16)) - -/* set bass and treble control; values are from 0 to 11 */ -#define AWE_EQUALIZER(dev,bass,treble) _AWE_CMD(dev, 0, _AWE_EQUALIZER, bass, treble) - -/* remove last loaded samples */ -#define AWE_REMOVE_LAST_SAMPLES(seqfd,dev) _AWE_CMD_NOW(seqfd, dev, 0, _AWE_REMOVE_LAST_SAMPLES, 0, 0) -/* initialize emu8000 chip */ -#define AWE_INITIALIZE_CHIP(seqfd,dev) _AWE_CMD_NOW(seqfd, dev, 0, _AWE_INITIALIZE_CHIP, 0, 0) - -/* set miscellaneous modes; meta command */ -#define AWE_MISC_MODE(dev,mode,value) _AWE_CMD(dev, 0, _AWE_MISC_MODE, mode, value) -/* exclusive sound off; 1=off */ -#define AWE_EXCLUSIVE_SOUND(dev,mode) AWE_MISC_MODE(dev,AWE_MD_EXCLUSIVE_SOUND,mode) -/* default GUS bank number */ -#define AWE_SET_GUS_BANK(dev,bank) AWE_MISC_MODE(dev,AWE_MD_GUS_BANK,bank) -/* change panning position in realtime; 0=don't 1=do */ -#define AWE_REALTIME_PAN(dev,mode) AWE_MISC_MODE(dev,AWE_MD_REALTIME_PAN,mode) - -/* extended pressure controls; not portable with other sound drivers */ -#define AWE_KEY_PRESSURE(dev,ch,note,vel) SEQ_START_NOTE(dev,ch,(note)+128,vel) -#define AWE_CHN_PRESSURE(dev,ch,vel) _AWE_CMD(dev,ch,_AWE_CHN_PRESSURE,vel,0) - -/*----------------------------------------------------------------*/ - -/* reverb mode parameters */ -#define AWE_REVERB_ROOM1 0 -#define AWE_REVERB_ROOM2 1 -#define AWE_REVERB_ROOM3 2 -#define AWE_REVERB_HALL1 3 -#define AWE_REVERB_HALL2 4 -#define AWE_REVERB_PLATE 5 -#define AWE_REVERB_DELAY 6 -#define AWE_REVERB_PANNINGDELAY 7 -#define AWE_REVERB_PREDEFINED 8 -/* user can define reverb modes up to 32 */ -#define AWE_REVERB_NUMBERS 32 - -typedef struct awe_reverb_fx_rec { - unsigned short parms[28]; -} awe_reverb_fx_rec; - -/*----------------------------------------------------------------*/ - -/* chorus mode parameters */ -#define AWE_CHORUS_1 0 -#define AWE_CHORUS_2 1 -#define AWE_CHORUS_3 2 -#define AWE_CHORUS_4 3 -#define AWE_CHORUS_FEEDBACK 4 -#define AWE_CHORUS_FLANGER 5 -#define AWE_CHORUS_SHORTDELAY 6 -#define AWE_CHORUS_SHORTDELAY2 7 -#define AWE_CHORUS_PREDEFINED 8 -/* user can define chorus modes up to 32 */ -#define AWE_CHORUS_NUMBERS 32 - -typedef struct awe_chorus_fx_rec { - unsigned short feedback; /* feedback level (0xE600-0xE6FF) */ - unsigned short delay_offset; /* delay (0-0x0DA3) [1/44100 sec] */ - unsigned short lfo_depth; /* LFO depth (0xBC00-0xBCFF) */ - unsigned int delay; /* right delay (0-0xFFFFFFFF) [1/256/44100 sec] */ - unsigned int lfo_freq; /* LFO freq LFO freq (0-0xFFFFFFFF) */ -} awe_chorus_fx_rec; - -/*----------------------------------------------------------------*/ - -/* misc mode types */ -enum { -/* 0*/ AWE_MD_EXCLUSIVE_OFF, /* obsolete */ -/* 1*/ AWE_MD_EXCLUSIVE_ON, /* obsolete */ -/* 2*/ AWE_MD_VERSION, /* read only */ -/* 3*/ AWE_MD_EXCLUSIVE_SOUND, /* 0/1: exclusive note on (default=1) */ -/* 4*/ AWE_MD_REALTIME_PAN, /* 0/1: do realtime pan change (default=1) */ -/* 5*/ AWE_MD_GUS_BANK, /* bank number for GUS patches (default=0) */ -/* 6*/ AWE_MD_KEEP_EFFECT, /* 0/1: keep effect values, (default=0) */ -/* 7*/ AWE_MD_ZERO_ATTEN, /* attenuation of max volume (default=32) */ -/* 8*/ AWE_MD_CHN_PRIOR, /* 0/1: set MIDI channel priority mode (default=1) */ -/* 9*/ AWE_MD_MOD_SENSE, /* integer: modwheel sensitivity (def=18) */ -/*10*/ AWE_MD_DEF_PRESET, /* integer: default preset number (def=0) */ -/*11*/ AWE_MD_DEF_BANK, /* integer: default bank number (def=0) */ -/*12*/ AWE_MD_DEF_DRUM, /* integer: default drumset number (def=0) */ -/*13*/ AWE_MD_TOGGLE_DRUM_BANK, /* 0/1: toggle drum flag with bank# (def=0) */ -/*14*/ AWE_MD_NEW_VOLUME_CALC, /* 0/1: volume calculation mode (def=1) */ -/*15*/ AWE_MD_CHORUS_MODE, /* integer: chorus mode (def=2) */ -/*16*/ AWE_MD_REVERB_MODE, /* integer: chorus mode (def=4) */ -/*17*/ AWE_MD_BASS_LEVEL, /* integer: bass level (def=5) */ -/*18*/ AWE_MD_TREBLE_LEVEL, /* integer: treble level (def=9) */ -/*19*/ AWE_MD_DEBUG_MODE, /* integer: debug level (def=0) */ -/*20*/ AWE_MD_PAN_EXCHANGE, /* 0/1: exchange panning direction (def=0) */ - AWE_MD_END, -}; - -/*----------------------------------------------------------------*/ - -/* effect parameters */ -enum { - -/* modulation envelope parameters */ -/* 0*/ AWE_FX_ENV1_DELAY, /* WORD: ENVVAL */ -/* 1*/ AWE_FX_ENV1_ATTACK, /* BYTE: up ATKHLD */ -/* 2*/ AWE_FX_ENV1_HOLD, /* BYTE: lw ATKHLD */ -/* 3*/ AWE_FX_ENV1_DECAY, /* BYTE: lw DCYSUS */ -/* 4*/ AWE_FX_ENV1_RELEASE, /* BYTE: lw DCYSUS */ -/* 5*/ AWE_FX_ENV1_SUSTAIN, /* BYTE: up DCYSUS */ -/* 6*/ AWE_FX_ENV1_PITCH, /* BYTE: up PEFE */ -/* 7*/ AWE_FX_ENV1_CUTOFF, /* BYTE: lw PEFE */ - -/* volume envelope parameters */ -/* 8*/ AWE_FX_ENV2_DELAY, /* WORD: ENVVOL */ -/* 9*/ AWE_FX_ENV2_ATTACK, /* BYTE: up ATKHLDV */ -/*10*/ AWE_FX_ENV2_HOLD, /* BYTE: lw ATKHLDV */ -/*11*/ AWE_FX_ENV2_DECAY, /* BYTE: lw DCYSUSV */ -/*12*/ AWE_FX_ENV2_RELEASE, /* BYTE: lw DCYSUSV */ -/*13*/ AWE_FX_ENV2_SUSTAIN, /* BYTE: up DCYSUSV */ - -/* LFO1 (tremolo & vibrato) parameters */ -/*14*/ AWE_FX_LFO1_DELAY, /* WORD: LFO1VAL */ -/*15*/ AWE_FX_LFO1_FREQ, /* BYTE: lo TREMFRQ */ -/*16*/ AWE_FX_LFO1_VOLUME, /* BYTE: up TREMFRQ */ -/*17*/ AWE_FX_LFO1_PITCH, /* BYTE: up FMMOD */ -/*18*/ AWE_FX_LFO1_CUTOFF, /* BYTE: lo FMMOD */ - -/* LFO2 (vibrato) parameters */ -/*19*/ AWE_FX_LFO2_DELAY, /* WORD: LFO2VAL */ -/*20*/ AWE_FX_LFO2_FREQ, /* BYTE: lo FM2FRQ2 */ -/*21*/ AWE_FX_LFO2_PITCH, /* BYTE: up FM2FRQ2 */ - -/* Other overall effect parameters */ -/*22*/ AWE_FX_INIT_PITCH, /* SHORT: pitch offset */ -/*23*/ AWE_FX_CHORUS, /* BYTE: chorus effects send (0-255) */ -/*24*/ AWE_FX_REVERB, /* BYTE: reverb effects send (0-255) */ -/*25*/ AWE_FX_CUTOFF, /* BYTE: up IFATN */ -/*26*/ AWE_FX_FILTERQ, /* BYTE: up CCCA */ - -/* Sample / loop offset changes */ -/*27*/ AWE_FX_SAMPLE_START, /* SHORT: offset */ -/*28*/ AWE_FX_LOOP_START, /* SHORT: offset */ -/*29*/ AWE_FX_LOOP_END, /* SHORT: offset */ -/*30*/ AWE_FX_COARSE_SAMPLE_START, /* SHORT: upper word offset */ -/*31*/ AWE_FX_COARSE_LOOP_START, /* SHORT: upper word offset */ -/*32*/ AWE_FX_COARSE_LOOP_END, /* SHORT: upper word offset */ -/*33*/ AWE_FX_ATTEN, /* BYTE: lo IFATN */ - - AWE_FX_END, -}; - -#endif /* AWE_VOICE_H */ diff --git a/include/linux/byteorder/generic.h b/include/linux/byteorder/generic.h index e86e4a93837..3dc715b0250 100644 --- a/include/linux/byteorder/generic.h +++ b/include/linux/byteorder/generic.h @@ -124,19 +124,8 @@ #define be32_to_cpus __be32_to_cpus #define cpu_to_be16s __cpu_to_be16s #define be16_to_cpus __be16_to_cpus -#endif - -#if defined(__KERNEL__) /* - * Handle ntohl and suches. These have various compatibility - * issues - like we want to give the prototype even though we - * also have a macro for them in case some strange program - * wants to take the address of the thing or something.. - * - * Note that these used to return a "long" in libc5, even though - * long is often 64-bit these days.. Thus the casts. - * * They have to be macros in order to do the constant folding * correctly - if the argument passed into a inline function * it is no longer constant according to gcc.. @@ -147,17 +136,6 @@ #undef htonl #undef htons -/* - * Do the prototypes. Somebody might want to take the - * address or some such sick thing.. - */ -extern __u32 ntohl(__be32); -extern __be32 htonl(__u32); -extern __u16 ntohs(__be16); -extern __be16 htons(__u16); - -#if defined(__GNUC__) && defined(__OPTIMIZE__) - #define ___htonl(x) __cpu_to_be32(x) #define ___htons(x) __cpu_to_be16(x) #define ___ntohl(x) __be32_to_cpu(x) @@ -168,9 +146,6 @@ extern __be16 htons(__u16); #define htons(x) ___htons(x) #define ntohs(x) ___ntohs(x) -#endif /* OPTIMIZE */ - #endif /* KERNEL */ - #endif /* _LINUX_BYTEORDER_GENERIC_H */ diff --git a/include/linux/byteorder/swab.h b/include/linux/byteorder/swab.h index 25f7f32883e..142134ff164 100644 --- a/include/linux/byteorder/swab.h +++ b/include/linux/byteorder/swab.h @@ -10,6 +10,10 @@ * separated swab functions from cpu_to_XX, * to clean up support for bizarre-endian architectures. * + * Trent Piepho <xyzzy@speakeasy.org> 2007114 + * make constant-folding work, provide C versions that + * gcc can optimize better, explain different versions + * * See asm-i386/byteorder.h and suches for examples of how to provide * architecture-dependent optimized versions * @@ -17,40 +21,66 @@ #include <linux/compiler.h> +/* Functions/macros defined, there are a lot: + * + * ___swabXX + * Generic C versions of the swab functions. + * + * ___constant_swabXX + * C versions that gcc can fold into a compile-time constant when + * the argument is a compile-time constant. + * + * __arch__swabXX[sp]? + * Architecture optimized versions of all the swab functions + * (including the s and p versions). These can be defined in + * asm-arch/byteorder.h. Any which are not, are defined here. + * __arch__swabXXs() is defined in terms of __arch__swabXXp(), which + * is defined in terms of __arch__swabXX(), which is in turn defined + * in terms of ___swabXX(x). + * These must be macros. They may be unsafe for arguments with + * side-effects. + * + * __fswabXX + * Inline function versions of the __arch__ macros. These _are_ safe + * if the arguments have side-effects. Note there are no s and p + * versions of these. + * + * __swabXX[sb] + * There are the ones you should actually use. The __swabXX versions + * will be a constant given a constant argument and use the arch + * specific code (if any) for non-constant arguments. The s and p + * versions always use the arch specific code (constant folding + * doesn't apply). They are safe to use with arguments with + * side-effects. + * + * swabXX[sb] + * Nicknames for __swabXX[sb] to use in the kernel. + */ + /* casts are necessary for constants, because we never know how for sure * how U/UL/ULL map to __u16, __u32, __u64. At least not in a portable way. */ -#define ___swab16(x) \ -({ \ - __u16 __x = (x); \ - ((__u16)( \ - (((__u16)(__x) & (__u16)0x00ffU) << 8) | \ - (((__u16)(__x) & (__u16)0xff00U) >> 8) )); \ -}) -#define ___swab32(x) \ -({ \ - __u32 __x = (x); \ - ((__u32)( \ - (((__u32)(__x) & (__u32)0x000000ffUL) << 24) | \ - (((__u32)(__x) & (__u32)0x0000ff00UL) << 8) | \ - (((__u32)(__x) & (__u32)0x00ff0000UL) >> 8) | \ - (((__u32)(__x) & (__u32)0xff000000UL) >> 24) )); \ -}) - -#define ___swab64(x) \ -({ \ - __u64 __x = (x); \ - ((__u64)( \ - (__u64)(((__u64)(__x) & (__u64)0x00000000000000ffULL) << 56) | \ - (__u64)(((__u64)(__x) & (__u64)0x000000000000ff00ULL) << 40) | \ - (__u64)(((__u64)(__x) & (__u64)0x0000000000ff0000ULL) << 24) | \ - (__u64)(((__u64)(__x) & (__u64)0x00000000ff000000ULL) << 8) | \ - (__u64)(((__u64)(__x) & (__u64)0x000000ff00000000ULL) >> 8) | \ - (__u64)(((__u64)(__x) & (__u64)0x0000ff0000000000ULL) >> 24) | \ - (__u64)(((__u64)(__x) & (__u64)0x00ff000000000000ULL) >> 40) | \ - (__u64)(((__u64)(__x) & (__u64)0xff00000000000000ULL) >> 56) )); \ -}) +static __inline__ __attribute_const__ __u16 ___swab16(__u16 x) +{ + return x<<8 | x>>8; +} +static __inline__ __attribute_const__ __u32 ___swab32(__u32 x) +{ + return x<<24 | x>>24 | + (x & (__u32)0x0000ff00UL)<<8 | + (x & (__u32)0x00ff0000UL)>>8; +} +static __inline__ __attribute_const__ __u64 ___swab64(__u64 x) +{ + return x<<56 | x>>56 | + (x & (__u64)0x000000000000ff00ULL)<<40 | + (x & (__u64)0x0000000000ff0000ULL)<<24 | + (x & (__u64)0x00000000ff000000ULL)<< 8 | + (x & (__u64)0x000000ff00000000ULL)>> 8 | + (x & (__u64)0x0000ff0000000000ULL)>>24 | + (x & (__u64)0x00ff000000000000ULL)>>40; +} #define ___constant_swab16(x) \ ((__u16)( \ @@ -77,13 +107,13 @@ * provide defaults when no architecture-specific optimization is detected */ #ifndef __arch__swab16 -# define __arch__swab16(x) ({ __u16 __tmp = (x) ; ___swab16(__tmp); }) +# define __arch__swab16(x) ___swab16(x) #endif #ifndef __arch__swab32 -# define __arch__swab32(x) ({ __u32 __tmp = (x) ; ___swab32(__tmp); }) +# define __arch__swab32(x) ___swab32(x) #endif #ifndef __arch__swab64 -# define __arch__swab64(x) ({ __u64 __tmp = (x) ; ___swab64(__tmp); }) +# define __arch__swab64(x) ___swab64(x) #endif #ifndef __arch__swab16p @@ -97,13 +127,13 @@ #endif #ifndef __arch__swab16s -# define __arch__swab16s(x) do { *(x) = __arch__swab16p((x)); } while (0) +# define __arch__swab16s(x) ((void)(*(x) = __arch__swab16p(x))) #endif #ifndef __arch__swab32s -# define __arch__swab32s(x) do { *(x) = __arch__swab32p((x)); } while (0) +# define __arch__swab32s(x) ((void)(*(x) = __arch__swab32p(x))) #endif #ifndef __arch__swab64s -# define __arch__swab64s(x) do { *(x) = __arch__swab64p((x)); } while (0) +# define __arch__swab64s(x) ((void)(*(x) = __arch__swab64p(x))) #endif @@ -113,15 +143,15 @@ #if defined(__GNUC__) && defined(__OPTIMIZE__) # define __swab16(x) \ (__builtin_constant_p((__u16)(x)) ? \ - ___swab16((x)) : \ + ___constant_swab16((x)) : \ __fswab16((x))) # define __swab32(x) \ (__builtin_constant_p((__u32)(x)) ? \ - ___swab32((x)) : \ + ___constant_swab32((x)) : \ __fswab32((x))) # define __swab64(x) \ (__builtin_constant_p((__u64)(x)) ? \ - ___swab64((x)) : \ + ___constant_swab64((x)) : \ __fswab64((x))) #else # define __swab16(x) __fswab16(x) diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h index 4ea7e7bcfaf..8486e78f733 100644 --- a/include/linux/clockchips.h +++ b/include/linux/clockchips.h @@ -54,17 +54,17 @@ enum clock_event_nofitiers { /** * struct clock_event_device - clock event device descriptor * @name: ptr to clock event name - * @hints: usage hints + * @features: features * @max_delta_ns: maximum delta value in ns * @min_delta_ns: minimum delta value in ns * @mult: nanosecond to cycles multiplier * @shift: nanoseconds to cycles divisor (power of two) * @rating: variable to rate clock event devices - * @irq: irq number (only for non cpu local devices) - * @cpumask: cpumask to indicate for which cpus this device works - * @set_next_event: set next event + * @irq: IRQ number (only for non CPU local devices) + * @cpumask: cpumask to indicate for which CPUs this device works + * @set_next_event: set next event function * @set_mode: set mode function - * @evthandler: Assigned by the framework to be called by the low + * @event_handler: Assigned by the framework to be called by the low * level handler of the event source * @broadcast: function to broadcast events * @list: list head for the management code diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index daa4940cc0f..2665ca04cf8 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -12,6 +12,7 @@ #include <linux/timex.h> #include <linux/time.h> #include <linux/list.h> +#include <linux/cache.h> #include <linux/timer.h> #include <asm/div64.h> #include <asm/io.h> @@ -52,6 +53,9 @@ struct clocksource; * @xtime_interval: Used internally by timekeeping core, please ignore. */ struct clocksource { + /* + * First part of structure is read mostly + */ char *name; struct list_head list; int rating; @@ -63,8 +67,15 @@ struct clocksource { cycle_t (*vread)(void); /* timekeeping specific data, ignore */ - cycle_t cycle_last, cycle_interval; - u64 xtime_nsec, xtime_interval; + cycle_t cycle_interval; + u64 xtime_interval; + /* + * Second part is written at each timer interrupt + * Keep it in a different cache line to dirty no + * more than one cache line. + */ + cycle_t cycle_last ____cacheline_aligned_in_smp; + u64 xtime_nsec; s64 error; #ifdef CONFIG_CLOCKSOURCE_WATCHDOG diff --git a/include/linux/compat_ioctl.h b/include/linux/compat_ioctl.h deleted file mode 100644 index c26c3adcfac..00000000000 --- a/include/linux/compat_ioctl.h +++ /dev/null @@ -1,830 +0,0 @@ -/* List here explicitly which ioctl's are known to have - * compatible types passed or none at all... Please include - * only stuff that is compatible on *all architectures*. - */ - -COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */ -COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */ - -/* Big T */ -COMPATIBLE_IOCTL(TCGETA) -COMPATIBLE_IOCTL(TCSETA) -COMPATIBLE_IOCTL(TCSETAW) -COMPATIBLE_IOCTL(TCSETAF) -COMPATIBLE_IOCTL(TCSBRK) -ULONG_IOCTL(TCSBRKP) -COMPATIBLE_IOCTL(TCXONC) -COMPATIBLE_IOCTL(TCFLSH) -COMPATIBLE_IOCTL(TCGETS) -COMPATIBLE_IOCTL(TCSETS) -COMPATIBLE_IOCTL(TCSETSW) -COMPATIBLE_IOCTL(TCSETSF) -COMPATIBLE_IOCTL(TIOCLINUX) -COMPATIBLE_IOCTL(TIOCSBRK) -COMPATIBLE_IOCTL(TIOCCBRK) -ULONG_IOCTL(TIOCMIWAIT) -COMPATIBLE_IOCTL(TIOCGICOUNT) -/* Little t */ -COMPATIBLE_IOCTL(TIOCGETD) -COMPATIBLE_IOCTL(TIOCSETD) -COMPATIBLE_IOCTL(TIOCEXCL) -COMPATIBLE_IOCTL(TIOCNXCL) -COMPATIBLE_IOCTL(TIOCCONS) -COMPATIBLE_IOCTL(TIOCGSOFTCAR) -COMPATIBLE_IOCTL(TIOCSSOFTCAR) -COMPATIBLE_IOCTL(TIOCSWINSZ) -COMPATIBLE_IOCTL(TIOCGWINSZ) -COMPATIBLE_IOCTL(TIOCMGET) -COMPATIBLE_IOCTL(TIOCMBIC) -COMPATIBLE_IOCTL(TIOCMBIS) -COMPATIBLE_IOCTL(TIOCMSET) -COMPATIBLE_IOCTL(TIOCPKT) -COMPATIBLE_IOCTL(TIOCNOTTY) -COMPATIBLE_IOCTL(TIOCSTI) -COMPATIBLE_IOCTL(TIOCOUTQ) -COMPATIBLE_IOCTL(TIOCSPGRP) -COMPATIBLE_IOCTL(TIOCGPGRP) -ULONG_IOCTL(TIOCSCTTY) -COMPATIBLE_IOCTL(TIOCGPTN) -COMPATIBLE_IOCTL(TIOCSPTLCK) -COMPATIBLE_IOCTL(TIOCSERGETLSR) -/* Little f */ -COMPATIBLE_IOCTL(FIOCLEX) -COMPATIBLE_IOCTL(FIONCLEX) -COMPATIBLE_IOCTL(FIOASYNC) -COMPATIBLE_IOCTL(FIONBIO) -COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */ -/* 0x00 */ -COMPATIBLE_IOCTL(FIBMAP) -COMPATIBLE_IOCTL(FIGETBSZ) -/* 0x03 -- HD/IDE ioctl's used by hdparm and friends. - * Some need translations, these do not. - */ -COMPATIBLE_IOCTL(HDIO_GET_IDENTITY) -COMPATIBLE_IOCTL(HDIO_DRIVE_TASK) -COMPATIBLE_IOCTL(HDIO_DRIVE_CMD) -ULONG_IOCTL(HDIO_SET_MULTCOUNT) -ULONG_IOCTL(HDIO_SET_UNMASKINTR) -ULONG_IOCTL(HDIO_SET_KEEPSETTINGS) -ULONG_IOCTL(HDIO_SET_32BIT) -ULONG_IOCTL(HDIO_SET_NOWERR) -ULONG_IOCTL(HDIO_SET_DMA) -ULONG_IOCTL(HDIO_SET_PIO_MODE) -ULONG_IOCTL(HDIO_SET_NICE) -ULONG_IOCTL(HDIO_SET_WCACHE) -ULONG_IOCTL(HDIO_SET_ACOUSTIC) -ULONG_IOCTL(HDIO_SET_BUSSTATE) -ULONG_IOCTL(HDIO_SET_ADDRESS) -COMPATIBLE_IOCTL(HDIO_SCAN_HWIF) -/* 0x330 is reserved -- it used to be HDIO_GETGEO_BIG */ -COMPATIBLE_IOCTL(0x330) -/* 0x02 -- Floppy ioctls */ -COMPATIBLE_IOCTL(FDMSGON) -COMPATIBLE_IOCTL(FDMSGOFF) -COMPATIBLE_IOCTL(FDSETEMSGTRESH) -COMPATIBLE_IOCTL(FDFLUSH) -COMPATIBLE_IOCTL(FDWERRORCLR) -COMPATIBLE_IOCTL(FDSETMAXERRS) -COMPATIBLE_IOCTL(FDGETMAXERRS) -COMPATIBLE_IOCTL(FDGETDRVTYP) -COMPATIBLE_IOCTL(FDEJECT) -COMPATIBLE_IOCTL(FDCLRPRM) -COMPATIBLE_IOCTL(FDFMTBEG) -COMPATIBLE_IOCTL(FDFMTEND) -COMPATIBLE_IOCTL(FDRESET) -COMPATIBLE_IOCTL(FDTWADDLE) -COMPATIBLE_IOCTL(FDFMTTRK) -COMPATIBLE_IOCTL(FDRAWCMD) -/* 0x12 */ -#ifdef CONFIG_BLOCK -COMPATIBLE_IOCTL(BLKRASET) -COMPATIBLE_IOCTL(BLKROSET) -COMPATIBLE_IOCTL(BLKROGET) -COMPATIBLE_IOCTL(BLKRRPART) -COMPATIBLE_IOCTL(BLKFLSBUF) -COMPATIBLE_IOCTL(BLKSECTSET) -COMPATIBLE_IOCTL(BLKSSZGET) -COMPATIBLE_IOCTL(BLKTRACESTART) -COMPATIBLE_IOCTL(BLKTRACESTOP) -COMPATIBLE_IOCTL(BLKTRACESETUP) -COMPATIBLE_IOCTL(BLKTRACETEARDOWN) -ULONG_IOCTL(BLKRASET) -ULONG_IOCTL(BLKFRASET) -#endif -/* RAID */ -COMPATIBLE_IOCTL(RAID_VERSION) -COMPATIBLE_IOCTL(GET_ARRAY_INFO) -COMPATIBLE_IOCTL(GET_DISK_INFO) -COMPATIBLE_IOCTL(PRINT_RAID_DEBUG) -COMPATIBLE_IOCTL(RAID_AUTORUN) -COMPATIBLE_IOCTL(CLEAR_ARRAY) -COMPATIBLE_IOCTL(ADD_NEW_DISK) -ULONG_IOCTL(HOT_REMOVE_DISK) -COMPATIBLE_IOCTL(SET_ARRAY_INFO) -COMPATIBLE_IOCTL(SET_DISK_INFO) -COMPATIBLE_IOCTL(WRITE_RAID_INFO) -COMPATIBLE_IOCTL(UNPROTECT_ARRAY) -COMPATIBLE_IOCTL(PROTECT_ARRAY) -ULONG_IOCTL(HOT_ADD_DISK) -ULONG_IOCTL(SET_DISK_FAULTY) -COMPATIBLE_IOCTL(RUN_ARRAY) -COMPATIBLE_IOCTL(STOP_ARRAY) -COMPATIBLE_IOCTL(STOP_ARRAY_RO) -COMPATIBLE_IOCTL(RESTART_ARRAY_RW) -COMPATIBLE_IOCTL(GET_BITMAP_FILE) -ULONG_IOCTL(SET_BITMAP_FILE) -/* DM */ -COMPATIBLE_IOCTL(DM_VERSION_32) -COMPATIBLE_IOCTL(DM_REMOVE_ALL_32) -COMPATIBLE_IOCTL(DM_LIST_DEVICES_32) -COMPATIBLE_IOCTL(DM_DEV_CREATE_32) -COMPATIBLE_IOCTL(DM_DEV_REMOVE_32) -COMPATIBLE_IOCTL(DM_DEV_RENAME_32) -COMPATIBLE_IOCTL(DM_DEV_SUSPEND_32) -COMPATIBLE_IOCTL(DM_DEV_STATUS_32) -COMPATIBLE_IOCTL(DM_DEV_WAIT_32) -COMPATIBLE_IOCTL(DM_TABLE_LOAD_32) -COMPATIBLE_IOCTL(DM_TABLE_CLEAR_32) -COMPATIBLE_IOCTL(DM_TABLE_DEPS_32) -COMPATIBLE_IOCTL(DM_TABLE_STATUS_32) -COMPATIBLE_IOCTL(DM_LIST_VERSIONS_32) -COMPATIBLE_IOCTL(DM_TARGET_MSG_32) -COMPATIBLE_IOCTL(DM_DEV_SET_GEOMETRY_32) -COMPATIBLE_IOCTL(DM_VERSION) -COMPATIBLE_IOCTL(DM_REMOVE_ALL) -COMPATIBLE_IOCTL(DM_LIST_DEVICES) -COMPATIBLE_IOCTL(DM_DEV_CREATE) -COMPATIBLE_IOCTL(DM_DEV_REMOVE) -COMPATIBLE_IOCTL(DM_DEV_RENAME) -COMPATIBLE_IOCTL(DM_DEV_SUSPEND) -COMPATIBLE_IOCTL(DM_DEV_STATUS) -COMPATIBLE_IOCTL(DM_DEV_WAIT) -COMPATIBLE_IOCTL(DM_TABLE_LOAD) -COMPATIBLE_IOCTL(DM_TABLE_CLEAR) -COMPATIBLE_IOCTL(DM_TABLE_DEPS) -COMPATIBLE_IOCTL(DM_TABLE_STATUS) -COMPATIBLE_IOCTL(DM_LIST_VERSIONS) -COMPATIBLE_IOCTL(DM_TARGET_MSG) -COMPATIBLE_IOCTL(DM_DEV_SET_GEOMETRY) -/* Big K */ -COMPATIBLE_IOCTL(PIO_FONT) -COMPATIBLE_IOCTL(GIO_FONT) -ULONG_IOCTL(KDSIGACCEPT) -COMPATIBLE_IOCTL(KDGETKEYCODE) -COMPATIBLE_IOCTL(KDSETKEYCODE) -ULONG_IOCTL(KIOCSOUND) -ULONG_IOCTL(KDMKTONE) -COMPATIBLE_IOCTL(KDGKBTYPE) -ULONG_IOCTL(KDSETMODE) -COMPATIBLE_IOCTL(KDGETMODE) -ULONG_IOCTL(KDSKBMODE) -COMPATIBLE_IOCTL(KDGKBMODE) -ULONG_IOCTL(KDSKBMETA) -COMPATIBLE_IOCTL(KDGKBMETA) -COMPATIBLE_IOCTL(KDGKBENT) -COMPATIBLE_IOCTL(KDSKBENT) -COMPATIBLE_IOCTL(KDGKBSENT) -COMPATIBLE_IOCTL(KDSKBSENT) -COMPATIBLE_IOCTL(KDGKBDIACR) -COMPATIBLE_IOCTL(KDSKBDIACR) -COMPATIBLE_IOCTL(KDKBDREP) -COMPATIBLE_IOCTL(KDGKBLED) -ULONG_IOCTL(KDSKBLED) -COMPATIBLE_IOCTL(KDGETLED) -ULONG_IOCTL(KDSETLED) -COMPATIBLE_IOCTL(GIO_SCRNMAP) -COMPATIBLE_IOCTL(PIO_SCRNMAP) -COMPATIBLE_IOCTL(GIO_UNISCRNMAP) -COMPATIBLE_IOCTL(PIO_UNISCRNMAP) -COMPATIBLE_IOCTL(PIO_FONTRESET) -COMPATIBLE_IOCTL(PIO_UNIMAPCLR) -/* Big S */ -COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN) -COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK) -COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK) -COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY) -COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER) -COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND) -COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST) -COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI) -/* Big T */ -COMPATIBLE_IOCTL(TUNSETNOCSUM) -COMPATIBLE_IOCTL(TUNSETDEBUG) -COMPATIBLE_IOCTL(TUNSETPERSIST) -COMPATIBLE_IOCTL(TUNSETOWNER) -/* Big V */ -COMPATIBLE_IOCTL(VT_SETMODE) -COMPATIBLE_IOCTL(VT_GETMODE) -COMPATIBLE_IOCTL(VT_GETSTATE) -COMPATIBLE_IOCTL(VT_OPENQRY) -ULONG_IOCTL(VT_ACTIVATE) -ULONG_IOCTL(VT_WAITACTIVE) -ULONG_IOCTL(VT_RELDISP) -ULONG_IOCTL(VT_DISALLOCATE) -COMPATIBLE_IOCTL(VT_RESIZE) -COMPATIBLE_IOCTL(VT_RESIZEX) -COMPATIBLE_IOCTL(VT_LOCKSWITCH) -COMPATIBLE_IOCTL(VT_UNLOCKSWITCH) -COMPATIBLE_IOCTL(VT_GETHIFONTMASK) -/* Little p (/dev/rtc, /dev/envctrl, etc.) */ -COMPATIBLE_IOCTL(RTC_AIE_ON) -COMPATIBLE_IOCTL(RTC_AIE_OFF) -COMPATIBLE_IOCTL(RTC_UIE_ON) -COMPATIBLE_IOCTL(RTC_UIE_OFF) -COMPATIBLE_IOCTL(RTC_PIE_ON) -COMPATIBLE_IOCTL(RTC_PIE_OFF) -COMPATIBLE_IOCTL(RTC_WIE_ON) -COMPATIBLE_IOCTL(RTC_WIE_OFF) -COMPATIBLE_IOCTL(RTC_ALM_SET) -COMPATIBLE_IOCTL(RTC_ALM_READ) -COMPATIBLE_IOCTL(RTC_RD_TIME) -COMPATIBLE_IOCTL(RTC_SET_TIME) -COMPATIBLE_IOCTL(RTC_WKALM_SET) -COMPATIBLE_IOCTL(RTC_WKALM_RD) -/* - * These two are only for the sbus rtc driver, but - * hwclock tries them on every rtc device first when - * running on sparc. On other architectures the entries - * are useless but harmless. - */ -COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */ -COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */ -/* Little m */ -COMPATIBLE_IOCTL(MTIOCTOP) -/* Socket level stuff */ -COMPATIBLE_IOCTL(FIOQSIZE) -COMPATIBLE_IOCTL(FIOSETOWN) -COMPATIBLE_IOCTL(SIOCSPGRP) -COMPATIBLE_IOCTL(FIOGETOWN) -COMPATIBLE_IOCTL(SIOCGPGRP) -COMPATIBLE_IOCTL(SIOCATMARK) -COMPATIBLE_IOCTL(SIOCSIFLINK) -COMPATIBLE_IOCTL(SIOCSIFENCAP) -COMPATIBLE_IOCTL(SIOCGIFENCAP) -COMPATIBLE_IOCTL(SIOCSIFNAME) -COMPATIBLE_IOCTL(SIOCSARP) -COMPATIBLE_IOCTL(SIOCGARP) -COMPATIBLE_IOCTL(SIOCDARP) -COMPATIBLE_IOCTL(SIOCSRARP) -COMPATIBLE_IOCTL(SIOCGRARP) -COMPATIBLE_IOCTL(SIOCDRARP) -COMPATIBLE_IOCTL(SIOCADDDLCI) -COMPATIBLE_IOCTL(SIOCDELDLCI) -COMPATIBLE_IOCTL(SIOCGMIIPHY) -COMPATIBLE_IOCTL(SIOCGMIIREG) -COMPATIBLE_IOCTL(SIOCSMIIREG) -COMPATIBLE_IOCTL(SIOCGIFVLAN) -COMPATIBLE_IOCTL(SIOCSIFVLAN) -COMPATIBLE_IOCTL(SIOCBRADDBR) -COMPATIBLE_IOCTL(SIOCBRDELBR) -/* SG stuff */ -COMPATIBLE_IOCTL(SG_SET_TIMEOUT) -COMPATIBLE_IOCTL(SG_GET_TIMEOUT) -COMPATIBLE_IOCTL(SG_EMULATED_HOST) -ULONG_IOCTL(SG_SET_TRANSFORM) -COMPATIBLE_IOCTL(SG_GET_TRANSFORM) -COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE) -COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE) -COMPATIBLE_IOCTL(SG_GET_SCSI_ID) -COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA) -COMPATIBLE_IOCTL(SG_GET_LOW_DMA) -COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID) -COMPATIBLE_IOCTL(SG_GET_PACK_ID) -COMPATIBLE_IOCTL(SG_GET_NUM_WAITING) -COMPATIBLE_IOCTL(SG_SET_DEBUG) -COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE) -COMPATIBLE_IOCTL(SG_GET_COMMAND_Q) -COMPATIBLE_IOCTL(SG_SET_COMMAND_Q) -COMPATIBLE_IOCTL(SG_GET_VERSION_NUM) -COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN) -COMPATIBLE_IOCTL(SG_SCSI_RESET) -COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE) -COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN) -COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN) -/* PPP stuff */ -COMPATIBLE_IOCTL(PPPIOCGFLAGS) -COMPATIBLE_IOCTL(PPPIOCSFLAGS) -COMPATIBLE_IOCTL(PPPIOCGASYNCMAP) -COMPATIBLE_IOCTL(PPPIOCSASYNCMAP) -COMPATIBLE_IOCTL(PPPIOCGUNIT) -COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP) -COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP) -COMPATIBLE_IOCTL(PPPIOCGMRU) -COMPATIBLE_IOCTL(PPPIOCSMRU) -COMPATIBLE_IOCTL(PPPIOCSMAXCID) -COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP) -COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP) -COMPATIBLE_IOCTL(PPPIOCXFERUNIT) -/* PPPIOCSCOMPRESS is translated */ -COMPATIBLE_IOCTL(PPPIOCGNPMODE) -COMPATIBLE_IOCTL(PPPIOCSNPMODE) -COMPATIBLE_IOCTL(PPPIOCGDEBUG) -COMPATIBLE_IOCTL(PPPIOCSDEBUG) -/* PPPIOCSPASS is translated */ -/* PPPIOCSACTIVE is translated */ -/* PPPIOCGIDLE is translated */ -COMPATIBLE_IOCTL(PPPIOCNEWUNIT) -COMPATIBLE_IOCTL(PPPIOCATTACH) -COMPATIBLE_IOCTL(PPPIOCDETACH) -COMPATIBLE_IOCTL(PPPIOCSMRRU) -COMPATIBLE_IOCTL(PPPIOCCONNECT) -COMPATIBLE_IOCTL(PPPIOCDISCONN) -COMPATIBLE_IOCTL(PPPIOCATTCHAN) -COMPATIBLE_IOCTL(PPPIOCGCHAN) -/* PPPOX */ -COMPATIBLE_IOCTL(PPPOEIOCSFWD) -COMPATIBLE_IOCTL(PPPOEIOCDFWD) -/* LP */ -COMPATIBLE_IOCTL(LPGETSTATUS) -/* ppdev */ -COMPATIBLE_IOCTL(PPSETMODE) -COMPATIBLE_IOCTL(PPRSTATUS) -COMPATIBLE_IOCTL(PPRCONTROL) -COMPATIBLE_IOCTL(PPWCONTROL) -COMPATIBLE_IOCTL(PPFCONTROL) -COMPATIBLE_IOCTL(PPRDATA) -COMPATIBLE_IOCTL(PPWDATA) -COMPATIBLE_IOCTL(PPCLAIM) -COMPATIBLE_IOCTL(PPRELEASE) -COMPATIBLE_IOCTL(PPYIELD) -COMPATIBLE_IOCTL(PPEXCL) -COMPATIBLE_IOCTL(PPDATADIR) -COMPATIBLE_IOCTL(PPNEGOT) -COMPATIBLE_IOCTL(PPWCTLONIRQ) -COMPATIBLE_IOCTL(PPCLRIRQ) -COMPATIBLE_IOCTL(PPSETPHASE) -COMPATIBLE_IOCTL(PPGETMODES) -COMPATIBLE_IOCTL(PPGETMODE) -COMPATIBLE_IOCTL(PPGETPHASE) -COMPATIBLE_IOCTL(PPGETFLAGS) -COMPATIBLE_IOCTL(PPSETFLAGS) -/* CDROM stuff */ -COMPATIBLE_IOCTL(CDROMPAUSE) -COMPATIBLE_IOCTL(CDROMRESUME) -COMPATIBLE_IOCTL(CDROMPLAYMSF) -COMPATIBLE_IOCTL(CDROMPLAYTRKIND) -COMPATIBLE_IOCTL(CDROMREADTOCHDR) -COMPATIBLE_IOCTL(CDROMREADTOCENTRY) -COMPATIBLE_IOCTL(CDROMSTOP) -COMPATIBLE_IOCTL(CDROMSTART) -COMPATIBLE_IOCTL(CDROMEJECT) -COMPATIBLE_IOCTL(CDROMVOLCTRL) -COMPATIBLE_IOCTL(CDROMSUBCHNL) -ULONG_IOCTL(CDROMEJECT_SW) -COMPATIBLE_IOCTL(CDROMMULTISESSION) -COMPATIBLE_IOCTL(CDROM_GET_MCN) -COMPATIBLE_IOCTL(CDROMRESET) -COMPATIBLE_IOCTL(CDROMVOLREAD) -COMPATIBLE_IOCTL(CDROMSEEK) -COMPATIBLE_IOCTL(CDROMPLAYBLK) -COMPATIBLE_IOCTL(CDROMCLOSETRAY) -ULONG_IOCTL(CDROM_SET_OPTIONS) -ULONG_IOCTL(CDROM_CLEAR_OPTIONS) -ULONG_IOCTL(CDROM_SELECT_SPEED) -ULONG_IOCTL(CDROM_SELECT_DISC) -ULONG_IOCTL(CDROM_MEDIA_CHANGED) -ULONG_IOCTL(CDROM_DRIVE_STATUS) -COMPATIBLE_IOCTL(CDROM_DISC_STATUS) -COMPATIBLE_IOCTL(CDROM_CHANGER_NSLOTS) -ULONG_IOCTL(CDROM_LOCKDOOR) -ULONG_IOCTL(CDROM_DEBUG) -COMPATIBLE_IOCTL(CDROM_GET_CAPABILITY) -/* Ignore cdrom.h about these next 5 ioctls, they absolutely do - * not take a struct cdrom_read, instead they take a struct cdrom_msf - * which is compatible. - */ -COMPATIBLE_IOCTL(CDROMREADMODE2) -COMPATIBLE_IOCTL(CDROMREADMODE1) -COMPATIBLE_IOCTL(CDROMREADRAW) -COMPATIBLE_IOCTL(CDROMREADCOOKED) -COMPATIBLE_IOCTL(CDROMREADALL) -/* DVD ioctls */ -COMPATIBLE_IOCTL(DVD_READ_STRUCT) -COMPATIBLE_IOCTL(DVD_WRITE_STRUCT) -COMPATIBLE_IOCTL(DVD_AUTH) -/* pktcdvd */ -COMPATIBLE_IOCTL(PACKET_CTRL_CMD) -/* Big A */ -/* sparc only */ -/* Big Q for sound/OSS */ -COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET) -COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC) -COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO) -COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE) -COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT) -COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT) -COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE) -COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR) -COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI) -COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES) -COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS) -COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS) -COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO) -COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD) -COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL) -COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE) -COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC) -COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND) -COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME) -COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID) -COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL) -COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE) -/* Big T for sound/OSS */ -COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE) -COMPATIBLE_IOCTL(SNDCTL_TMR_START) -COMPATIBLE_IOCTL(SNDCTL_TMR_STOP) -COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE) -COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO) -COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE) -COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME) -COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT) -/* Little m for sound/OSS */ -COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME) -COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE) -COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD) -/* Big P for sound/OSS */ -COMPATIBLE_IOCTL(SNDCTL_DSP_RESET) -COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC) -COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED) -COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO) -COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE) -COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS) -COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER) -COMPATIBLE_IOCTL(SNDCTL_DSP_POST) -COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE) -COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT) -COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS) -COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT) -COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE) -COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE) -COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK) -COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS) -COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER) -COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER) -COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR) -COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR) -/* SNDCTL_DSP_MAPINBUF, XXX needs translation */ -/* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */ -COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO) -COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX) -COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY) -COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE) -COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE) -COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS) -COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS) -COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER) -/* Big C for sound/OSS */ -COMPATIBLE_IOCTL(SNDCTL_COPR_RESET) -COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD) -COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA) -COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE) -COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA) -COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE) -COMPATIBLE_IOCTL(SNDCTL_COPR_RUN) -COMPATIBLE_IOCTL(SNDCTL_COPR_HALT) -COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG) -COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG) -/* Big M for sound/OSS */ -COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3) -COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1)) -COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2)) -COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3)) -COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN)) -COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT)) -COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO)) -COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO)) -COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR)) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE) -/* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */ -/* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */ -COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS) -COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3) -COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1)) -COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2)) -COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3)) -COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN)) -COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT)) -COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO)) -COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO)) -COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR)) -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE) -/* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */ -/* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */ -COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC) -COMPATIBLE_IOCTL(SOUND_MIXER_INFO) -COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO) -COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS) -COMPATIBLE_IOCTL(SOUND_MIXER_AGC) -COMPATIBLE_IOCTL(SOUND_MIXER_3DSE) -COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1) -COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2) -COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3) -COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4) -COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5) -COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS) -COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS) -COMPATIBLE_IOCTL(OSS_GETVERSION) -/* AUTOFS */ -ULONG_IOCTL(AUTOFS_IOC_READY) -ULONG_IOCTL(AUTOFS_IOC_FAIL) -COMPATIBLE_IOCTL(AUTOFS_IOC_CATATONIC) -COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOVER) -COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE) -COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI) -COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOSUBVER) -COMPATIBLE_IOCTL(AUTOFS_IOC_ASKREGHOST) -COMPATIBLE_IOCTL(AUTOFS_IOC_TOGGLEREGHOST) -COMPATIBLE_IOCTL(AUTOFS_IOC_ASKUMOUNT) -/* Raw devices */ -COMPATIBLE_IOCTL(RAW_SETBIND) -COMPATIBLE_IOCTL(RAW_GETBIND) -/* SMB ioctls which do not need any translations */ -COMPATIBLE_IOCTL(SMB_IOC_NEWCONN) -/* Little a */ -COMPATIBLE_IOCTL(ATMSIGD_CTRL) -COMPATIBLE_IOCTL(ATMARPD_CTRL) -COMPATIBLE_IOCTL(ATMLEC_CTRL) -COMPATIBLE_IOCTL(ATMLEC_MCAST) -COMPATIBLE_IOCTL(ATMLEC_DATA) -COMPATIBLE_IOCTL(ATM_SETSC) -COMPATIBLE_IOCTL(SIOCSIFATMTCP) -COMPATIBLE_IOCTL(SIOCMKCLIP) -COMPATIBLE_IOCTL(ATMARP_MKIP) -COMPATIBLE_IOCTL(ATMARP_SETENTRY) -COMPATIBLE_IOCTL(ATMARP_ENCAP) -COMPATIBLE_IOCTL(ATMTCP_CREATE) -COMPATIBLE_IOCTL(ATMTCP_REMOVE) -COMPATIBLE_IOCTL(ATMMPC_CTRL) -COMPATIBLE_IOCTL(ATMMPC_DATA) -/* Watchdog */ -COMPATIBLE_IOCTL(WDIOC_GETSUPPORT) -COMPATIBLE_IOCTL(WDIOC_GETSTATUS) -COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS) -COMPATIBLE_IOCTL(WDIOC_GETTEMP) -COMPATIBLE_IOCTL(WDIOC_SETOPTIONS) -COMPATIBLE_IOCTL(WDIOC_KEEPALIVE) -COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT) -COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT) -/* Big R */ -COMPATIBLE_IOCTL(RNDGETENTCNT) -COMPATIBLE_IOCTL(RNDADDTOENTCNT) -COMPATIBLE_IOCTL(RNDGETPOOL) -COMPATIBLE_IOCTL(RNDADDENTROPY) -COMPATIBLE_IOCTL(RNDZAPENTCNT) -COMPATIBLE_IOCTL(RNDCLEARPOOL) -/* Bluetooth */ -COMPATIBLE_IOCTL(HCIDEVUP) -COMPATIBLE_IOCTL(HCIDEVDOWN) -COMPATIBLE_IOCTL(HCIDEVRESET) -COMPATIBLE_IOCTL(HCIDEVRESTAT) -COMPATIBLE_IOCTL(HCIGETDEVLIST) -COMPATIBLE_IOCTL(HCIGETDEVINFO) -COMPATIBLE_IOCTL(HCIGETCONNLIST) -COMPATIBLE_IOCTL(HCIGETCONNINFO) -COMPATIBLE_IOCTL(HCISETRAW) -COMPATIBLE_IOCTL(HCISETSCAN) -COMPATIBLE_IOCTL(HCISETAUTH) -COMPATIBLE_IOCTL(HCISETENCRYPT) -COMPATIBLE_IOCTL(HCISETPTYPE) -COMPATIBLE_IOCTL(HCISETLINKPOL) -COMPATIBLE_IOCTL(HCISETLINKMODE) -COMPATIBLE_IOCTL(HCISETACLMTU) -COMPATIBLE_IOCTL(HCISETSCOMTU) -COMPATIBLE_IOCTL(HCIINQUIRY) -COMPATIBLE_IOCTL(HCIUARTSETPROTO) -COMPATIBLE_IOCTL(HCIUARTGETPROTO) -COMPATIBLE_IOCTL(RFCOMMCREATEDEV) -COMPATIBLE_IOCTL(RFCOMMRELEASEDEV) -COMPATIBLE_IOCTL(RFCOMMGETDEVLIST) -COMPATIBLE_IOCTL(RFCOMMGETDEVINFO) -COMPATIBLE_IOCTL(RFCOMMSTEALDLC) -COMPATIBLE_IOCTL(BNEPCONNADD) -COMPATIBLE_IOCTL(BNEPCONNDEL) -COMPATIBLE_IOCTL(BNEPGETCONNLIST) -COMPATIBLE_IOCTL(BNEPGETCONNINFO) -COMPATIBLE_IOCTL(CMTPCONNADD) -COMPATIBLE_IOCTL(CMTPCONNDEL) -COMPATIBLE_IOCTL(CMTPGETCONNLIST) -COMPATIBLE_IOCTL(CMTPGETCONNINFO) -COMPATIBLE_IOCTL(HIDPCONNADD) -COMPATIBLE_IOCTL(HIDPCONNDEL) -COMPATIBLE_IOCTL(HIDPGETCONNLIST) -COMPATIBLE_IOCTL(HIDPGETCONNINFO) -/* CAPI */ -COMPATIBLE_IOCTL(CAPI_REGISTER) -COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER) -COMPATIBLE_IOCTL(CAPI_GET_VERSION) -COMPATIBLE_IOCTL(CAPI_GET_SERIAL) -COMPATIBLE_IOCTL(CAPI_GET_PROFILE) -COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD) -COMPATIBLE_IOCTL(CAPI_GET_ERRCODE) -COMPATIBLE_IOCTL(CAPI_INSTALLED) -COMPATIBLE_IOCTL(CAPI_GET_FLAGS) -COMPATIBLE_IOCTL(CAPI_SET_FLAGS) -COMPATIBLE_IOCTL(CAPI_CLR_FLAGS) -COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT) -COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT) -/* Siemens Gigaset */ -COMPATIBLE_IOCTL(GIGASET_REDIR) -COMPATIBLE_IOCTL(GIGASET_CONFIG) -COMPATIBLE_IOCTL(GIGASET_BRKCHARS) -COMPATIBLE_IOCTL(GIGASET_VERSION) -/* Misc. */ -COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */ -COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */ -COMPATIBLE_IOCTL(PCIIOC_CONTROLLER) -COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO) -COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM) -COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE) -/* USB */ -COMPATIBLE_IOCTL(USBDEVFS_RESETEP) -COMPATIBLE_IOCTL(USBDEVFS_SETINTERFACE) -COMPATIBLE_IOCTL(USBDEVFS_SETCONFIGURATION) -COMPATIBLE_IOCTL(USBDEVFS_GETDRIVER) -COMPATIBLE_IOCTL(USBDEVFS_DISCARDURB) -COMPATIBLE_IOCTL(USBDEVFS_CLAIMINTERFACE) -COMPATIBLE_IOCTL(USBDEVFS_RELEASEINTERFACE) -COMPATIBLE_IOCTL(USBDEVFS_CONNECTINFO) -COMPATIBLE_IOCTL(USBDEVFS_HUB_PORTINFO) -COMPATIBLE_IOCTL(USBDEVFS_RESET) -COMPATIBLE_IOCTL(USBDEVFS_SUBMITURB32) -COMPATIBLE_IOCTL(USBDEVFS_REAPURB32) -COMPATIBLE_IOCTL(USBDEVFS_REAPURBNDELAY32) -COMPATIBLE_IOCTL(USBDEVFS_CLEAR_HALT) -/* MTD */ -COMPATIBLE_IOCTL(MEMGETINFO) -COMPATIBLE_IOCTL(MEMERASE) -COMPATIBLE_IOCTL(MEMLOCK) -COMPATIBLE_IOCTL(MEMUNLOCK) -COMPATIBLE_IOCTL(MEMGETREGIONCOUNT) -COMPATIBLE_IOCTL(MEMGETREGIONINFO) -COMPATIBLE_IOCTL(MEMGETBADBLOCK) -COMPATIBLE_IOCTL(MEMSETBADBLOCK) -/* NBD */ -ULONG_IOCTL(NBD_SET_SOCK) -ULONG_IOCTL(NBD_SET_BLKSIZE) -ULONG_IOCTL(NBD_SET_SIZE) -COMPATIBLE_IOCTL(NBD_DO_IT) -COMPATIBLE_IOCTL(NBD_CLEAR_SOCK) -COMPATIBLE_IOCTL(NBD_CLEAR_QUE) -COMPATIBLE_IOCTL(NBD_PRINT_DEBUG) -ULONG_IOCTL(NBD_SET_SIZE_BLOCKS) -COMPATIBLE_IOCTL(NBD_DISCONNECT) -/* i2c */ -COMPATIBLE_IOCTL(I2C_SLAVE) -COMPATIBLE_IOCTL(I2C_SLAVE_FORCE) -COMPATIBLE_IOCTL(I2C_TENBIT) -COMPATIBLE_IOCTL(I2C_PEC) -COMPATIBLE_IOCTL(I2C_RETRIES) -COMPATIBLE_IOCTL(I2C_TIMEOUT) -/* wireless */ -COMPATIBLE_IOCTL(SIOCSIWCOMMIT) -COMPATIBLE_IOCTL(SIOCGIWNAME) -COMPATIBLE_IOCTL(SIOCSIWNWID) -COMPATIBLE_IOCTL(SIOCGIWNWID) -COMPATIBLE_IOCTL(SIOCSIWFREQ) -COMPATIBLE_IOCTL(SIOCGIWFREQ) -COMPATIBLE_IOCTL(SIOCSIWMODE) -COMPATIBLE_IOCTL(SIOCGIWMODE) -COMPATIBLE_IOCTL(SIOCSIWSENS) -COMPATIBLE_IOCTL(SIOCGIWSENS) -COMPATIBLE_IOCTL(SIOCSIWRANGE) -COMPATIBLE_IOCTL(SIOCSIWPRIV) -COMPATIBLE_IOCTL(SIOCGIWPRIV) -COMPATIBLE_IOCTL(SIOCSIWSTATS) -COMPATIBLE_IOCTL(SIOCGIWSTATS) -COMPATIBLE_IOCTL(SIOCSIWAP) -COMPATIBLE_IOCTL(SIOCGIWAP) -COMPATIBLE_IOCTL(SIOCSIWSCAN) -COMPATIBLE_IOCTL(SIOCSIWRATE) -COMPATIBLE_IOCTL(SIOCGIWRATE) -COMPATIBLE_IOCTL(SIOCSIWRTS) -COMPATIBLE_IOCTL(SIOCGIWRTS) -COMPATIBLE_IOCTL(SIOCSIWFRAG) -COMPATIBLE_IOCTL(SIOCGIWFRAG) -COMPATIBLE_IOCTL(SIOCSIWTXPOW) -COMPATIBLE_IOCTL(SIOCGIWTXPOW) -COMPATIBLE_IOCTL(SIOCSIWRETRY) -COMPATIBLE_IOCTL(SIOCGIWRETRY) -COMPATIBLE_IOCTL(SIOCSIWPOWER) -COMPATIBLE_IOCTL(SIOCGIWPOWER) -/* hiddev */ -COMPATIBLE_IOCTL(HIDIOCGVERSION) -COMPATIBLE_IOCTL(HIDIOCAPPLICATION) -COMPATIBLE_IOCTL(HIDIOCGDEVINFO) -COMPATIBLE_IOCTL(HIDIOCGSTRING) -COMPATIBLE_IOCTL(HIDIOCINITREPORT) -COMPATIBLE_IOCTL(HIDIOCGREPORT) -COMPATIBLE_IOCTL(HIDIOCSREPORT) -COMPATIBLE_IOCTL(HIDIOCGREPORTINFO) -COMPATIBLE_IOCTL(HIDIOCGFIELDINFO) -COMPATIBLE_IOCTL(HIDIOCGUSAGE) -COMPATIBLE_IOCTL(HIDIOCSUSAGE) -COMPATIBLE_IOCTL(HIDIOCGUCODE) -COMPATIBLE_IOCTL(HIDIOCGFLAG) -COMPATIBLE_IOCTL(HIDIOCSFLAG) -COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX) -COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO) -/* dvb */ -COMPATIBLE_IOCTL(AUDIO_STOP) -COMPATIBLE_IOCTL(AUDIO_PLAY) -COMPATIBLE_IOCTL(AUDIO_PAUSE) -COMPATIBLE_IOCTL(AUDIO_CONTINUE) -COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE) -COMPATIBLE_IOCTL(AUDIO_SET_MUTE) -COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC) -COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE) -COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT) -COMPATIBLE_IOCTL(AUDIO_GET_STATUS) -COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES) -COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER) -COMPATIBLE_IOCTL(AUDIO_SET_ID) -COMPATIBLE_IOCTL(AUDIO_SET_MIXER) -COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE) -COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID) -COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES) -COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE) -COMPATIBLE_IOCTL(DMX_START) -COMPATIBLE_IOCTL(DMX_STOP) -COMPATIBLE_IOCTL(DMX_SET_FILTER) -COMPATIBLE_IOCTL(DMX_SET_PES_FILTER) -COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE) -COMPATIBLE_IOCTL(DMX_GET_PES_PIDS) -COMPATIBLE_IOCTL(DMX_GET_CAPS) -COMPATIBLE_IOCTL(DMX_SET_SOURCE) -COMPATIBLE_IOCTL(DMX_GET_STC) -COMPATIBLE_IOCTL(FE_GET_INFO) -COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD) -COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD) -COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY) -COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST) -COMPATIBLE_IOCTL(FE_SET_TONE) -COMPATIBLE_IOCTL(FE_SET_VOLTAGE) -COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE) -COMPATIBLE_IOCTL(FE_READ_STATUS) -COMPATIBLE_IOCTL(FE_READ_BER) -COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH) -COMPATIBLE_IOCTL(FE_READ_SNR) -COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS) -COMPATIBLE_IOCTL(FE_SET_FRONTEND) -COMPATIBLE_IOCTL(FE_GET_FRONTEND) -COMPATIBLE_IOCTL(FE_GET_EVENT) -COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD) -COMPATIBLE_IOCTL(VIDEO_STOP) -COMPATIBLE_IOCTL(VIDEO_PLAY) -COMPATIBLE_IOCTL(VIDEO_FREEZE) -COMPATIBLE_IOCTL(VIDEO_CONTINUE) -COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE) -COMPATIBLE_IOCTL(VIDEO_SET_BLANK) -COMPATIBLE_IOCTL(VIDEO_GET_STATUS) -COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT) -COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD) -COMPATIBLE_IOCTL(VIDEO_SLOWMOTION) -COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES) -COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER) -COMPATIBLE_IOCTL(VIDEO_SET_ID) -COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE) -COMPATIBLE_IOCTL(VIDEO_SET_FORMAT) -COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM) -COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT) -COMPATIBLE_IOCTL(VIDEO_SET_SPU) -COMPATIBLE_IOCTL(VIDEO_GET_NAVI) -COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES) -COMPATIBLE_IOCTL(VIDEO_GET_SIZE) -COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE) diff --git a/include/linux/console.h b/include/linux/console.h index de25ee3b791..62ef6e11d0d 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -51,7 +51,7 @@ struct consw { int (*con_scrolldelta)(struct vc_data *, int); int (*con_set_origin)(struct vc_data *); void (*con_save_screen)(struct vc_data *); - u8 (*con_build_attr)(struct vc_data *, u8, u8, u8, u8, u8); + u8 (*con_build_attr)(struct vc_data *, u8, u8, u8, u8, u8, u8); void (*con_invert_region)(struct vc_data *, u16 *, int); u16 *(*con_screen_pos)(struct vc_data *, int); unsigned long (*con_getxy)(struct vc_data *, unsigned long, int *, int *); @@ -92,9 +92,8 @@ void give_up_console(const struct consw *sw); #define CON_BOOT (8) #define CON_ANYTIME (16) /* Safe to call when cpu is offline */ -struct console -{ - char name[8]; +struct console { + char name[16]; void (*write)(struct console *, const char *, unsigned); int (*read)(struct console *, char *, unsigned); struct tty_driver *(*device)(struct console *, int *); diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h index a86162b26c0..a461f76fb00 100644 --- a/include/linux/console_struct.h +++ b/include/linux/console_struct.h @@ -37,6 +37,7 @@ struct vc_data { unsigned char vc_color; /* Foreground & background */ unsigned char vc_s_color; /* Saved foreground & background */ unsigned char vc_ulcolor; /* Color for underline mode */ + unsigned char vc_itcolor; unsigned char vc_halfcolor; /* Color for half intensity mode */ /* cursor */ unsigned int vc_cursor_type; @@ -71,10 +72,12 @@ struct vc_data { unsigned int vc_deccolm : 1; /* 80/132 Column Mode */ /* attribute flags */ unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */ + unsigned int vc_italic:1; unsigned int vc_underline : 1; unsigned int vc_blink : 1; unsigned int vc_reverse : 1; unsigned int vc_s_intensity : 2; /* saved rendition */ + unsigned int vc_s_italic:1; unsigned int vc_s_underline : 1; unsigned int vc_s_blink : 1; unsigned int vc_s_reverse : 1; diff --git a/include/asm-x86_64/const.h b/include/linux/const.h index 54fb08f3db9..07b300bfe34 100644 --- a/include/asm-x86_64/const.h +++ b/include/linux/const.h @@ -1,11 +1,11 @@ /* const.h: Macros for dealing with constants. */ -#ifndef _X86_64_CONST_H -#define _X86_64_CONST_H +#ifndef _LINUX_CONST_H +#define _LINUX_CONST_H /* Some constant macros are used in both assembler and * C code. Therefore we cannot annotate them always with - * 'UL' and other type specificers unilaterally. We + * 'UL' and other type specifiers unilaterally. We * use the following macros to deal with this. */ @@ -16,5 +16,4 @@ #define _AC(X,Y) __AC(X,Y) #endif - -#endif /* !(_X86_64_CONST_H) */ +#endif /* !(_LINUX_CONST_H) */ diff --git a/include/linux/cpu.h b/include/linux/cpu.h index c22b0dfcbcd..3b2df2523f1 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -41,6 +41,9 @@ extern void cpu_remove_sysdev_attr(struct sysdev_attribute *attr); extern int cpu_add_sysdev_attr_group(struct attribute_group *attrs); extern void cpu_remove_sysdev_attr_group(struct attribute_group *attrs); +extern struct sysdev_attribute attr_sched_mc_power_savings; +extern struct sysdev_attribute attr_sched_smt_power_savings; +extern int sched_create_sysfs_power_savings_entries(struct sysdev_class *cls); #ifdef CONFIG_HOTPLUG_CPU extern void unregister_cpu(struct cpu *cpu); diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h index 46d8254c1a7..72aa00cc4b2 100644 --- a/include/linux/cyclades.h +++ b/include/linux/cyclades.h @@ -67,6 +67,8 @@ #ifndef _LINUX_CYCLADES_H #define _LINUX_CYCLADES_H +#include <linux/types.h> + struct cyclades_monitor { unsigned long int_count; unsigned long char_count; @@ -108,7 +110,6 @@ struct cyclades_idle_stats { #define CYZSETPOLLCYCLE 0x43590e #define CYZGETPOLLCYCLE 0x43590f #define CYGETCD1400VER 0x435910 -#define CYGETCARDINFO 0x435911 #define CYSETWAIT 0x435912 #define CYGETWAIT 0x435913 @@ -149,14 +150,12 @@ struct CYZ_BOOT_CTRL { * architectures and compilers. */ -#if defined(__alpha__) -typedef unsigned long ucdouble; /* 64 bits, unsigned */ -typedef unsigned int uclong; /* 32 bits, unsigned */ -#else -typedef unsigned long uclong; /* 32 bits, unsigned */ -#endif -typedef unsigned short ucshort; /* 16 bits, unsigned */ -typedef unsigned char ucchar; /* 8 bits, unsigned */ +#include <asm/types.h> + +typedef __u64 ucdouble; /* 64 bits, unsigned */ +typedef __u32 uclong; /* 32 bits, unsigned */ +typedef __u16 ucshort; /* 16 bits, unsigned */ +typedef __u8 ucchar; /* 8 bits, unsigned */ /* * Memory Window Sizes @@ -174,24 +173,24 @@ typedef unsigned char ucchar; /* 8 bits, unsigned */ */ struct CUSTOM_REG { - uclong fpga_id; /* FPGA Identification Register */ - uclong fpga_version; /* FPGA Version Number Register */ - uclong cpu_start; /* CPU start Register (write) */ - uclong cpu_stop; /* CPU stop Register (write) */ - uclong misc_reg; /* Miscelaneous Register */ - uclong idt_mode; /* IDT mode Register */ - uclong uart_irq_status; /* UART IRQ status Register */ - uclong clear_timer0_irq; /* Clear timer interrupt Register */ - uclong clear_timer1_irq; /* Clear timer interrupt Register */ - uclong clear_timer2_irq; /* Clear timer interrupt Register */ - uclong test_register; /* Test Register */ - uclong test_count; /* Test Count Register */ - uclong timer_select; /* Timer select register */ - uclong pr_uart_irq_status; /* Prioritized UART IRQ stat Reg */ - uclong ram_wait_state; /* RAM wait-state Register */ - uclong uart_wait_state; /* UART wait-state Register */ - uclong timer_wait_state; /* timer wait-state Register */ - uclong ack_wait_state; /* ACK wait State Register */ + __u32 fpga_id; /* FPGA Identification Register */ + __u32 fpga_version; /* FPGA Version Number Register */ + __u32 cpu_start; /* CPU start Register (write) */ + __u32 cpu_stop; /* CPU stop Register (write) */ + __u32 misc_reg; /* Miscelaneous Register */ + __u32 idt_mode; /* IDT mode Register */ + __u32 uart_irq_status; /* UART IRQ status Register */ + __u32 clear_timer0_irq; /* Clear timer interrupt Register */ + __u32 clear_timer1_irq; /* Clear timer interrupt Register */ + __u32 clear_timer2_irq; /* Clear timer interrupt Register */ + __u32 test_register; /* Test Register */ + __u32 test_count; /* Test Count Register */ + __u32 timer_select; /* Timer select register */ + __u32 pr_uart_irq_status; /* Prioritized UART IRQ stat Reg */ + __u32 ram_wait_state; /* RAM wait-state Register */ + __u32 uart_wait_state; /* UART wait-state Register */ + __u32 timer_wait_state; /* timer wait-state Register */ + __u32 ack_wait_state; /* ACK wait State Register */ }; /* @@ -201,34 +200,34 @@ struct CUSTOM_REG { */ struct RUNTIME_9060 { - uclong loc_addr_range; /* 00h - Local Address Range */ - uclong loc_addr_base; /* 04h - Local Address Base */ - uclong loc_arbitr; /* 08h - Local Arbitration */ - uclong endian_descr; /* 0Ch - Big/Little Endian Descriptor */ - uclong loc_rom_range; /* 10h - Local ROM Range */ - uclong loc_rom_base; /* 14h - Local ROM Base */ - uclong loc_bus_descr; /* 18h - Local Bus descriptor */ - uclong loc_range_mst; /* 1Ch - Local Range for Master to PCI */ - uclong loc_base_mst; /* 20h - Local Base for Master PCI */ - uclong loc_range_io; /* 24h - Local Range for Master IO */ - uclong pci_base_mst; /* 28h - PCI Base for Master PCI */ - uclong pci_conf_io; /* 2Ch - PCI configuration for Master IO */ - uclong filler1; /* 30h */ - uclong filler2; /* 34h */ - uclong filler3; /* 38h */ - uclong filler4; /* 3Ch */ - uclong mail_box_0; /* 40h - Mail Box 0 */ - uclong mail_box_1; /* 44h - Mail Box 1 */ - uclong mail_box_2; /* 48h - Mail Box 2 */ - uclong mail_box_3; /* 4Ch - Mail Box 3 */ - uclong filler5; /* 50h */ - uclong filler6; /* 54h */ - uclong filler7; /* 58h */ - uclong filler8; /* 5Ch */ - uclong pci_doorbell; /* 60h - PCI to Local Doorbell */ - uclong loc_doorbell; /* 64h - Local to PCI Doorbell */ - uclong intr_ctrl_stat; /* 68h - Interrupt Control/Status */ - uclong init_ctrl; /* 6Ch - EEPROM control, Init Control, etc */ + __u32 loc_addr_range; /* 00h - Local Address Range */ + __u32 loc_addr_base; /* 04h - Local Address Base */ + __u32 loc_arbitr; /* 08h - Local Arbitration */ + __u32 endian_descr; /* 0Ch - Big/Little Endian Descriptor */ + __u32 loc_rom_range; /* 10h - Local ROM Range */ + __u32 loc_rom_base; /* 14h - Local ROM Base */ + __u32 loc_bus_descr; /* 18h - Local Bus descriptor */ + __u32 loc_range_mst; /* 1Ch - Local Range for Master to PCI */ + __u32 loc_base_mst; /* 20h - Local Base for Master PCI */ + __u32 loc_range_io; /* 24h - Local Range for Master IO */ + __u32 pci_base_mst; /* 28h - PCI Base for Master PCI */ + __u32 pci_conf_io; /* 2Ch - PCI configuration for Master IO */ + __u32 filler1; /* 30h */ + __u32 filler2; /* 34h */ + __u32 filler3; /* 38h */ + __u32 filler4; /* 3Ch */ + __u32 mail_box_0; /* 40h - Mail Box 0 */ + __u32 mail_box_1; /* 44h - Mail Box 1 */ + __u32 mail_box_2; /* 48h - Mail Box 2 */ + __u32 mail_box_3; /* 4Ch - Mail Box 3 */ + __u32 filler5; /* 50h */ + __u32 filler6; /* 54h */ + __u32 filler7; /* 58h */ + __u32 filler8; /* 5Ch */ + __u32 pci_doorbell; /* 60h - PCI to Local Doorbell */ + __u32 loc_doorbell; /* 64h - Local to PCI Doorbell */ + __u32 intr_ctrl_stat; /* 68h - Interrupt Control/Status */ + __u32 init_ctrl; /* 6Ch - EEPROM control, Init Control, etc */ }; /* Values for the Local Base Address re-map register */ @@ -270,8 +269,8 @@ struct RUNTIME_9060 { #define ZF_TINACT ZF_TINACT_DEF struct FIRM_ID { - uclong signature; /* ZFIRM/U signature */ - uclong zfwctrl_addr; /* pointer to ZFW_CTRL structure */ + __u32 signature; /* ZFIRM/U signature */ + __u32 zfwctrl_addr; /* pointer to ZFW_CTRL structure */ }; /* Op. System id */ @@ -408,24 +407,24 @@ struct FIRM_ID { */ struct CH_CTRL { - uclong op_mode; /* operation mode */ - uclong intr_enable; /* interrupt masking */ - uclong sw_flow; /* SW flow control */ - uclong flow_status; /* output flow status */ - uclong comm_baud; /* baud rate - numerically specified */ - uclong comm_parity; /* parity */ - uclong comm_data_l; /* data length/stop */ - uclong comm_flags; /* other flags */ - uclong hw_flow; /* HW flow control */ - uclong rs_control; /* RS-232 outputs */ - uclong rs_status; /* RS-232 inputs */ - uclong flow_xon; /* xon char */ - uclong flow_xoff; /* xoff char */ - uclong hw_overflow; /* hw overflow counter */ - uclong sw_overflow; /* sw overflow counter */ - uclong comm_error; /* frame/parity error counter */ - uclong ichar; - uclong filler[7]; + __u32 op_mode; /* operation mode */ + __u32 intr_enable; /* interrupt masking */ + __u32 sw_flow; /* SW flow control */ + __u32 flow_status; /* output flow status */ + __u32 comm_baud; /* baud rate - numerically specified */ + __u32 comm_parity; /* parity */ + __u32 comm_data_l; /* data length/stop */ + __u32 comm_flags; /* other flags */ + __u32 hw_flow; /* HW flow control */ + __u32 rs_control; /* RS-232 outputs */ + __u32 rs_status; /* RS-232 inputs */ + __u32 flow_xon; /* xon char */ + __u32 flow_xoff; /* xoff char */ + __u32 hw_overflow; /* hw overflow counter */ + __u32 sw_overflow; /* sw overflow counter */ + __u32 comm_error; /* frame/parity error counter */ + __u32 ichar; + __u32 filler[7]; }; @@ -435,18 +434,18 @@ struct CH_CTRL { */ struct BUF_CTRL { - uclong flag_dma; /* buffers are in Host memory */ - uclong tx_bufaddr; /* address of the tx buffer */ - uclong tx_bufsize; /* tx buffer size */ - uclong tx_threshold; /* tx low water mark */ - uclong tx_get; /* tail index tx buf */ - uclong tx_put; /* head index tx buf */ - uclong rx_bufaddr; /* address of the rx buffer */ - uclong rx_bufsize; /* rx buffer size */ - uclong rx_threshold; /* rx high water mark */ - uclong rx_get; /* tail index rx buf */ - uclong rx_put; /* head index rx buf */ - uclong filler[5]; /* filler to align structures */ + __u32 flag_dma; /* buffers are in Host memory */ + __u32 tx_bufaddr; /* address of the tx buffer */ + __u32 tx_bufsize; /* tx buffer size */ + __u32 tx_threshold; /* tx low water mark */ + __u32 tx_get; /* tail index tx buf */ + __u32 tx_put; /* head index tx buf */ + __u32 rx_bufaddr; /* address of the rx buffer */ + __u32 rx_bufsize; /* rx buffer size */ + __u32 rx_threshold; /* rx high water mark */ + __u32 rx_get; /* tail index rx buf */ + __u32 rx_put; /* head index rx buf */ + __u32 filler[5]; /* filler to align structures */ }; /* @@ -457,27 +456,27 @@ struct BUF_CTRL { struct BOARD_CTRL { /* static info provided by the on-board CPU */ - uclong n_channel; /* number of channels */ - uclong fw_version; /* firmware version */ + __u32 n_channel; /* number of channels */ + __u32 fw_version; /* firmware version */ /* static info provided by the driver */ - uclong op_system; /* op_system id */ - uclong dr_version; /* driver version */ + __u32 op_system; /* op_system id */ + __u32 dr_version; /* driver version */ /* board control area */ - uclong inactivity; /* inactivity control */ + __u32 inactivity; /* inactivity control */ /* host to FW commands */ - uclong hcmd_channel; /* channel number */ - uclong hcmd_param; /* pointer to parameters */ + __u32 hcmd_channel; /* channel number */ + __u32 hcmd_param; /* pointer to parameters */ /* FW to Host commands */ - uclong fwcmd_channel; /* channel number */ - uclong fwcmd_param; /* pointer to parameters */ - uclong zf_int_queue_addr; /* offset for INT_QUEUE structure */ + __u32 fwcmd_channel; /* channel number */ + __u32 fwcmd_param; /* pointer to parameters */ + __u32 zf_int_queue_addr; /* offset for INT_QUEUE structure */ /* filler so the structures are aligned */ - uclong filler[6]; + __u32 filler[6]; }; /* Host Interrupt Queue */ @@ -506,11 +505,10 @@ struct ZFW_CTRL { /****************** ****************** *******************/ #endif +#ifdef __KERNEL__ + /* Per card data structure */ -struct resource; struct cyclades_card { - unsigned long base_phys; - unsigned long ctl_phys; void __iomem *base_addr; void __iomem *ctl_addr; int irq; @@ -519,33 +517,18 @@ struct cyclades_card { int nports; /* Number of ports in the card */ int bus_index; /* address shift - 0 for ISA, 1 for PCI */ int intr_enabled; /* FW Interrupt flag - 0 disabled, 1 enabled */ - struct pci_dev *pdev; -#ifdef __KERNEL__ spinlock_t card_lock; -#else - unsigned long filler; -#endif + struct cyclades_port *ports; }; -struct cyclades_chip { - int filler; -}; - - -#ifdef __KERNEL__ - /*************************************** * Memory access functions/macros * * (required to support Alpha systems) * ***************************************/ -#define cy_writeb(port,val) {writeb((val),(port)); mb();} -#define cy_writew(port,val) {writew((val),(port)); mb();} -#define cy_writel(port,val) {writel((val),(port)); mb();} - -#define cy_readb(port) readb(port) -#define cy_readw(port) readw(port) -#define cy_readl(port) readl(port) +#define cy_writeb(port,val) do { writeb((val), (port)); mb(); } while (0) +#define cy_writew(port,val) do { writew((val), (port)); mb(); } while (0) +#define cy_writel(port,val) do { writel((val), (port)); mb(); } while (0) /* * Statistics counters @@ -567,7 +550,7 @@ struct cyclades_icount { struct cyclades_port { int magic; - int card; + struct cyclades_card *card; int line; int flags; /* defined in tty.h */ int type; /* UART type */ @@ -587,7 +570,6 @@ struct cyclades_port { int close_delay; unsigned short closing_wait; unsigned long event; - unsigned long last_active; int count; /* # of fd on device */ int breakon; int breakoff; @@ -598,7 +580,6 @@ struct cyclades_port { int xmit_cnt; int default_threshold; int default_timeout; - unsigned long jiffies[3]; unsigned long rflush_count; struct cyclades_monitor mon; struct cyclades_idle_stats idle_stats; @@ -606,7 +587,7 @@ struct cyclades_port { struct work_struct tqueue; wait_queue_head_t open_wait; wait_queue_head_t close_wait; - wait_queue_head_t shutdown_wait; + struct completion shutdown_wait; wait_queue_head_t delta_msr_wait; int throttle; }; diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 63f64a9a5bf..aab53df4faf 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -133,6 +133,7 @@ struct dentry_operations { int (*d_delete)(struct dentry *); void (*d_release)(struct dentry *); void (*d_iput)(struct dentry *, struct inode *); + char *(*d_dname)(struct dentry *, char *, int); }; /* the dentry parameter passed to d_hash and d_compare is the parent @@ -293,6 +294,11 @@ extern struct dentry * d_hash_and_lookup(struct dentry *, struct qstr *); /* validate "insecure" dentry pointer */ extern int d_validate(struct dentry *, struct dentry *); +/* + * helper function for dentry_operations.d_dname() members + */ +extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); + extern char * d_path(struct dentry *, struct vfsmount *, char *, int); /* Allocation counts.. */ diff --git a/include/linux/device.h b/include/linux/device.h index 6579068134d..2e1a2988b7e 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -412,12 +412,13 @@ struct device { struct klist_node knode_parent; /* node in sibling list */ struct klist_node knode_driver; struct klist_node knode_bus; - struct device * parent; + struct device *parent; struct kobject kobj; char bus_id[BUS_ID_SIZE]; /* position on parent bus */ struct device_type *type; unsigned is_registered:1; + unsigned uevent_suppress:1; struct device_attribute uevent_attr; struct device_attribute *devt_attr; @@ -458,7 +459,6 @@ struct device { struct class *class; dev_t devt; /* dev_t, creates the sysfs "dev" */ struct attribute_group **groups; /* optional groups */ - int uevent_suppress; void (*release)(struct device * dev); }; diff --git a/include/linux/display.h b/include/linux/display.h new file mode 100644 index 00000000000..3bf70d63972 --- /dev/null +++ b/include/linux/display.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2006 James Simmons <jsimmons@infradead.org> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#ifndef _LINUX_DISPLAY_H +#define _LINUX_DISPLAY_H + +#include <linux/device.h> + +struct display_device; + +/* This structure defines all the properties of a Display. */ +struct display_driver { + int (*set_contrast)(struct display_device *, unsigned int); + int (*get_contrast)(struct display_device *); + void (*suspend)(struct display_device *, pm_message_t state); + void (*resume)(struct display_device *); + int (*probe)(struct display_device *, void *); + int (*remove)(struct display_device *); + int max_contrast; +}; + +struct display_device { + struct module *owner; /* Owner module */ + struct display_driver *driver; + struct device *parent; /* This is the parent */ + struct device *dev; /* This is this display device */ + struct mutex lock; + void *priv_data; + char type[16]; + char *name; + int idx; +}; + +extern struct display_device *display_device_register(struct display_driver *driver, + struct device *dev, void *devdata); +extern void display_device_unregister(struct display_device *dev); + +extern int probe_edid(struct display_device *dev, void *devdata); + +#define to_display_device(obj) container_of(obj, struct display_device, class_dev) + +#endif diff --git a/include/linux/ds1wm.h b/include/linux/ds1wm.h new file mode 100644 index 00000000000..31f6e3c427f --- /dev/null +++ b/include/linux/ds1wm.h @@ -0,0 +1,11 @@ +/* platform data for the DS1WM driver */ + +struct ds1wm_platform_data { + int bus_shift; /* number of shifts needed to calculate the + * offset between DS1WM registers; + * e.g. on h5xxx and h2200 this is 2 + * (registers aligned to 4-byte boundaries), + * while on hx4700 this is 1 */ + void (*enable)(struct platform_device *pdev); + void (*disable)(struct platform_device *pdev); +}; diff --git a/include/linux/efi.h b/include/linux/efi.h index f8ebd7c1ddb..0b9579a4cd4 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -213,7 +213,6 @@ typedef struct { } efi_config_table_t; #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL) -#define EFI_SYSTEM_TABLE_REVISION ((1 << 16) | 00) typedef struct { efi_table_hdr_t hdr; diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 4eb18ac510a..ece49a804fe 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -824,6 +824,7 @@ extern int ext3_change_inode_journal_flag(struct inode *, int); extern int ext3_get_inode_loc(struct inode *, struct ext3_iloc *); extern void ext3_truncate (struct inode *); extern void ext3_set_inode_flags(struct inode *); +extern void ext3_get_inode_flags(struct ext3_inode_info *); extern void ext3_set_aops(struct inode *inode); /* ioctl.c */ diff --git a/include/linux/fb.h b/include/linux/fb.h index be913ec8716..dff7a728948 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -4,6 +4,8 @@ #include <asm/types.h> #include <linux/i2c.h> +struct dentry; + /* Definitions of frame buffers */ #define FB_MAJOR 29 @@ -525,12 +527,20 @@ struct fb_cursor_user { #define FB_EVENT_MODE_CHANGE_ALL 0x0B /* A software display blank change occured */ #define FB_EVENT_CONBLANK 0x0C +/* Get drawing requirements */ +#define FB_EVENT_GET_REQ 0x0D struct fb_event { struct fb_info *info; void *data; }; +struct fb_blit_caps { + u32 x; + u32 y; + u32 len; + u32 flags; +}; extern int fb_register_client(struct notifier_block *nb); extern int fb_unregister_client(struct notifier_block *nb); @@ -556,11 +566,25 @@ struct fb_pixmap { u32 scan_align; /* alignment per scanline */ u32 access_align; /* alignment per read/write (bits) */ u32 flags; /* see FB_PIXMAP_* */ + u32 blit_x; /* supported bit block dimensions (1-32)*/ + u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ + /* blit_y = 1 << (height - 1) */ + /* if 0, will be set to 0xffffffff (all)*/ /* access methods */ void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); }; +#ifdef CONFIG_FB_DEFERRED_IO +struct fb_deferred_io { + /* delay between mkwrite and deferred handler */ + unsigned long delay; + struct mutex lock; /* mutex that protects the page list */ + struct list_head pagelist; /* list of touched pages */ + /* callback */ + void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); +}; +#endif /* * Frame buffer operations @@ -579,8 +603,10 @@ struct fb_ops { /* For framebuffers with strange non linear layouts or that do not * work with normal memory mapped access */ - ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count, loff_t *ppos); - ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t count, loff_t *ppos); + ssize_t (*fb_read)(struct fb_info *info, char __user *buf, + size_t count, loff_t *ppos); + ssize_t (*fb_write)(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos); /* checks var and eventually tweaks it to something supported, * DO NOT MODIFY PAR */ @@ -634,10 +660,13 @@ struct fb_ops { /* restore saved state */ void (*fb_restore_state)(struct fb_info *info); + + /* get capability given var */ + void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps, + struct fb_var_screeninfo *var); }; #ifdef CONFIG_FB_TILEBLITTING - #define FB_TILE_CURSOR_NONE 0 #define FB_TILE_CURSOR_UNDERLINE 1 #define FB_TILE_CURSOR_LOWER_THIRD 2 @@ -709,6 +738,8 @@ struct fb_tile_ops { /* cursor */ void (*fb_tilecursor)(struct fb_info *info, struct fb_tilecursor *cursor); + /* get maximum length of the tile map */ + int (*fb_get_tilemax)(struct fb_info *info); }; #endif /* CONFIG_FB_TILEBLITTING */ @@ -778,6 +809,10 @@ struct fb_info { struct mutex bl_curve_mutex; u8 bl_curve[FB_BACKLIGHT_LEVELS]; #endif +#ifdef CONFIG_FB_DEFERRED_IO + struct delayed_work deferred_work; + struct fb_deferred_io *fbdefio; +#endif struct fb_ops *fbops; struct device *device; /* This is the parent */ @@ -879,6 +914,16 @@ extern int fb_blank(struct fb_info *info, int blank); extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); +/* + * Drawing operations where framebuffer is in system RAM + */ +extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect); +extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area); +extern void sys_imageblit(struct fb_info *info, const struct fb_image *image); +extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf, + size_t count, loff_t *ppos); +extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos); /* drivers/video/fbmem.c */ extern int register_framebuffer(struct fb_info *fb_info); @@ -913,6 +958,12 @@ static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, } } +/* drivers/video/fb_defio.c */ +extern void fb_deferred_io_init(struct fb_info *info); +extern void fb_deferred_io_cleanup(struct fb_info *info); +extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry, + int datasync); + /* drivers/video/fbsysfs.c */ extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); extern void framebuffer_release(struct fb_info *info); diff --git a/include/linux/font.h b/include/linux/font.h index 53b129f07f6..40a24ab41b3 100644 --- a/include/linux/font.h +++ b/include/linux/font.h @@ -49,7 +49,8 @@ extern const struct font_desc *find_font(const char *name); /* Get the default font for a specific screen size */ -extern const struct font_desc *get_default_font(int xres, int yres); +extern const struct font_desc *get_default_font(int xres, int yres, + u32 font_w, u32 font_h); /* Max. length for the name of a predefined font */ #define MAX_FONT_NAME 32 diff --git a/include/linux/fs.h b/include/linux/fs.h index bc6d27cecaa..7cf0c54a46a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -30,6 +30,7 @@ #define SEEK_SET 0 /* seek relative to beginning of file */ #define SEEK_CUR 1 /* seek relative to current file position */ #define SEEK_END 2 /* seek relative to end of file */ +#define SEEK_MAX SEEK_END /* And dynamically-tunable limits and defaults: */ struct files_stat_struct { @@ -91,6 +92,7 @@ extern int dir_notify_enable; /* public flags for file_system_type */ #define FS_REQUIRES_DEV 1 #define FS_BINARY_MOUNTDATA 2 +#define FS_HAS_SUBTYPE 4 #define FS_REVAL_DOT 16384 /* Check the paths ".", ".." for staleness */ #define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() * during rename() internally. @@ -847,11 +849,6 @@ extern int fcntl_getlease(struct file *filp); /* fs/sync.c */ extern int do_sync_mapping_range(struct address_space *mapping, loff_t offset, loff_t endbyte, unsigned int flags); -static inline int do_sync_file_range(struct file *file, loff_t offset, - loff_t endbyte, unsigned int flags) -{ - return do_sync_mapping_range(file->f_mapping, offset, endbyte, flags); -} /* fs/locks.c */ extern void locks_init_lock(struct file_lock *); @@ -960,6 +957,12 @@ struct super_block { /* Granularity of c/m/atime in ns. Cannot be worse than a second */ u32 s_time_gran; + + /* + * Filesystem subtype. If non-empty the filesystem type field + * in /proc/mounts will be "type.subtype" + */ + char *s_subtype; }; extern struct timespec current_fs_time(struct super_block *sb); @@ -1735,6 +1738,8 @@ extern ssize_t generic_file_sendfile(struct file *, loff_t *, size_t, read_actor extern void do_generic_mapping_read(struct address_space *mapping, struct file_ra_state *, struct file *, loff_t *, read_descriptor_t *, read_actor_t); +extern int generic_segment_checks(const struct iovec *iov, + unsigned long *nr_segs, size_t *count, int access_flags); /* fs/splice.c */ extern ssize_t generic_file_splice_read(struct file *, loff_t *, diff --git a/include/linux/futex.h b/include/linux/futex.h index 3f153b4e156..820125c628c 100644 --- a/include/linux/futex.h +++ b/include/linux/futex.h @@ -100,6 +100,35 @@ long do_futex(u32 __user *uaddr, int op, u32 val, unsigned long timeout, extern int handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int pi); +/* + * Futexes are matched on equal values of this key. + * The key type depends on whether it's a shared or private mapping. + * Don't rearrange members without looking at hash_futex(). + * + * offset is aligned to a multiple of sizeof(u32) (== 4) by definition. + * We set bit 0 to indicate if it's an inode-based key. + */ +union futex_key { + struct { + unsigned long pgoff; + struct inode *inode; + int offset; + } shared; + struct { + unsigned long address; + struct mm_struct *mm; + int offset; + } private; + struct { + unsigned long word; + void *ptr; + int offset; + } both; +}; +int get_futex_key(u32 __user *uaddr, union futex_key *key); +void get_futex_key_refs(union futex_key *key); +void drop_futex_key_refs(union futex_key *key); + #ifdef CONFIG_FUTEX extern void exit_robust_list(struct task_struct *curr); extern void exit_pi_state_list(struct task_struct *curr); diff --git a/include/linux/init.h b/include/linux/init.h index dbbdbd1bec7..8bc32bb2fce 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -77,7 +77,8 @@ extern char *saved_command_line; extern unsigned int reset_devices; /* used by init/main.c */ -extern void setup_arch(char **); +void setup_arch(char **); +void prepare_namespace(void); #endif diff --git a/include/linux/init_task.h b/include/linux/init_task.h index a2d95ff50e9..795102309bf 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -138,7 +138,7 @@ extern struct group_info init_groups; .journal_info = NULL, \ .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ .fs_excl = ATOMIC_INIT(0), \ - .pi_lock = SPIN_LOCK_UNLOCKED, \ + .pi_lock = __SPIN_LOCK_UNLOCKED(tsk.pi_lock), \ INIT_TRACE_IRQFLAGS \ INIT_LOCKDEP \ } diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 0319f665dd3..f7b01b9a35b 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -44,6 +44,9 @@ * IRQF_TIMER - Flag to mark this interrupt as timer interrupt * IRQF_PERCPU - Interrupt is per cpu * IRQF_NOBALANCING - Flag to exclude this interrupt from irq balancing + * IRQF_IRQPOLL - Interrupt is used for polling (only the interrupt that is + * registered first in an shared interrupt is considered for + * performance reasons) */ #define IRQF_DISABLED 0x00000020 #define IRQF_SAMPLE_RANDOM 0x00000040 @@ -52,22 +55,29 @@ #define IRQF_TIMER 0x00000200 #define IRQF_PERCPU 0x00000400 #define IRQF_NOBALANCING 0x00000800 +#define IRQF_IRQPOLL 0x00001000 /* - * Migration helpers. Scheduled for removal in 1/2007 + * Migration helpers. Scheduled for removal in 9/2007 * Do not use for new code ! */ -#define SA_INTERRUPT IRQF_DISABLED -#define SA_SAMPLE_RANDOM IRQF_SAMPLE_RANDOM -#define SA_SHIRQ IRQF_SHARED -#define SA_PROBEIRQ IRQF_PROBE_SHARED -#define SA_PERCPU IRQF_PERCPU - -#define SA_TRIGGER_LOW IRQF_TRIGGER_LOW -#define SA_TRIGGER_HIGH IRQF_TRIGGER_HIGH -#define SA_TRIGGER_FALLING IRQF_TRIGGER_FALLING -#define SA_TRIGGER_RISING IRQF_TRIGGER_RISING -#define SA_TRIGGER_MASK IRQF_TRIGGER_MASK +static inline +unsigned long __deprecated deprecated_irq_flag(unsigned long flag) +{ + return flag; +} + +#define SA_INTERRUPT deprecated_irq_flag(IRQF_DISABLED) +#define SA_SAMPLE_RANDOM deprecated_irq_flag(IRQF_SAMPLE_RANDOM) +#define SA_SHIRQ deprecated_irq_flag(IRQF_SHARED) +#define SA_PROBEIRQ deprecated_irq_flag(IRQF_PROBE_SHARED) +#define SA_PERCPU deprecated_irq_flag(IRQF_PERCPU) + +#define SA_TRIGGER_LOW deprecated_irq_flag(IRQF_TRIGGER_LOW) +#define SA_TRIGGER_HIGH deprecated_irq_flag(IRQF_TRIGGER_HIGH) +#define SA_TRIGGER_FALLING deprecated_irq_flag(IRQF_TRIGGER_FALLING) +#define SA_TRIGGER_RISING deprecated_irq_flag(IRQF_TRIGGER_RISING) +#define SA_TRIGGER_MASK deprecated_irq_flag(IRQF_TRIGGER_MASK) typedef irqreturn_t (*irq_handler_t)(int, void *); @@ -83,11 +93,11 @@ struct irqaction { }; extern irqreturn_t no_action(int cpl, void *dev_id); -extern int request_irq(unsigned int, irq_handler_t handler, +extern int __must_check request_irq(unsigned int, irq_handler_t handler, unsigned long, const char *, void *); extern void free_irq(unsigned int, void *); -extern int devm_request_irq(struct device *dev, unsigned int irq, +extern int __must_check devm_request_irq(struct device *dev, unsigned int irq, irq_handler_t handler, unsigned long irqflags, const char *devname, void *dev_id); extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id); diff --git a/include/linux/ioctl32.h b/include/linux/ioctl32.h deleted file mode 100644 index 948809d9991..00000000000 --- a/include/linux/ioctl32.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef IOCTL32_H -#define IOCTL32_H 1 - -#include <linux/compiler.h> /* for __deprecated */ - -struct file; - -typedef int (*ioctl_trans_handler_t)(unsigned int, unsigned int, - unsigned long, struct file *); - -struct ioctl_trans { - unsigned long cmd; - ioctl_trans_handler_t handler; - struct ioctl_trans *next; -}; - -#endif diff --git a/include/linux/ipc.h b/include/linux/ipc.h index 6da6772c19f..1980867a64a 100644 --- a/include/linux/ipc.h +++ b/include/linux/ipc.h @@ -92,16 +92,19 @@ extern struct ipc_namespace init_ipc_ns; #ifdef CONFIG_SYSVIPC #define INIT_IPC_NS(ns) .ns = &init_ipc_ns, -extern int copy_ipcs(unsigned long flags, struct task_struct *tsk); +extern struct ipc_namespace *copy_ipcs(unsigned long flags, + struct ipc_namespace *ns); #else #define INIT_IPC_NS(ns) -static inline int copy_ipcs(unsigned long flags, struct task_struct *tsk) -{ return 0; } +static inline struct ipc_namespace *copy_ipcs(unsigned long flags, + struct ipc_namespace *ns) +{ + return ns; +} #endif #ifdef CONFIG_IPC_NS extern void free_ipc_ns(struct kref *kref); -extern int unshare_ipcs(unsigned long flags, struct ipc_namespace **ns); #endif static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) diff --git a/include/linux/irq.h b/include/linux/irq.h index a6899402b52..1695054e8c6 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -147,8 +147,6 @@ struct irq_chip { * @dir: /proc/irq/ procfs entry * @affinity_entry: /proc/irq/smp_affinity procfs entry on SMP * @name: flow handler name for /proc/interrupts output - * - * Pad this out to 32 bytes for cache and indexing reasons. */ struct irq_desc { irq_flow_handler_t handle_irq; @@ -175,7 +173,7 @@ struct irq_desc { struct proc_dir_entry *dir; #endif const char *name; -} ____cacheline_aligned; +} ____cacheline_internodealigned_in_smp; extern struct irq_desc irq_desc[NR_IRQS]; diff --git a/include/linux/isdn/capiutil.h b/include/linux/isdn/capiutil.h index 63bd9cf821a..5a52f2c94f3 100644 --- a/include/linux/isdn/capiutil.h +++ b/include/linux/isdn/capiutil.h @@ -187,7 +187,6 @@ typedef struct { #define CDEBUG_SIZE 1024 #define CDEBUG_GSIZE 4096 -_cdebbuf *cdebbuf_alloc(void); void cdebbuf_free(_cdebbuf *cdb); int cdebug_init(void); void cdebug_exit(void); diff --git a/include/linux/isdn_divertif.h b/include/linux/isdn_divertif.h index 0e7e44ce830..07821ca5955 100644 --- a/include/linux/isdn_divertif.h +++ b/include/linux/isdn_divertif.h @@ -24,6 +24,10 @@ #define DIVERT_REL_ERR 0x04 /* module not registered */ #define DIVERT_REG_NAME isdn_register_divert +#ifdef __KERNEL__ +#include <linux/isdnif.h> +#include <linux/types.h> + /***************************************************************/ /* structure exchanging data between isdn hl and divert module */ /***************************************************************/ @@ -40,3 +44,4 @@ typedef struct /* function register */ /*********************/ extern int DIVERT_REG_NAME(isdn_divert_if *); +#endif diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 3e3b92dabe3..12178d2c882 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -30,6 +30,9 @@ extern int sprint_symbol(char *buffer, unsigned long address); /* Look up a kernel symbol and print it to the kernel messages. */ extern void __print_symbol(const char *fmt, unsigned long address); +int lookup_symbol_name(unsigned long addr, char *symname); +int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name); + #else /* !CONFIG_KALLSYMS */ static inline unsigned long kallsyms_lookup_name(const char *name) @@ -58,6 +61,16 @@ static inline int sprint_symbol(char *buffer, unsigned long addr) return 0; } +static inline int lookup_symbol_name(unsigned long addr, char *symname) +{ + return -ERANGE; +} + +static inline int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name) +{ + return -ERANGE; +} + /* Stupid that this does nothing, but I didn't create this mess. */ #define __print_symbol(fmt, addr) #endif /*CONFIG_KALLSYMS*/ diff --git a/include/linux/kdebug.h b/include/linux/kdebug.h new file mode 100644 index 00000000000..5db38d6d8b9 --- /dev/null +++ b/include/linux/kdebug.h @@ -0,0 +1,20 @@ +#ifndef _LINUX_KDEBUG_H +#define _LINUX_KDEBUG_H + +#include <asm/kdebug.h> + +struct die_args { + struct pt_regs *regs; + const char *str; + long err; + int trapnr; + int signr; +}; + +int register_die_notifier(struct notifier_block *nb); +int unregister_die_notifier(struct notifier_block *nb); + +int notify_die(enum die_val val, const char *str, + struct pt_regs *regs, long err, int trap, int sig); + +#endif /* _LINUX_KDEBUG_H */ diff --git a/include/linux/kexec.h b/include/linux/kexec.h index 696e5ec63f7..8c2c7fcd58c 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -7,6 +7,8 @@ #include <linux/linkage.h> #include <linux/compat.h> #include <linux/ioport.h> +#include <linux/elfcore.h> +#include <linux/elf.h> #include <asm/kexec.h> /* Verify architecture specific macros are defined */ @@ -31,6 +33,19 @@ #error KEXEC_ARCH not defined #endif +#define KEXEC_NOTE_HEAD_BYTES ALIGN(sizeof(struct elf_note), 4) +#define KEXEC_CORE_NOTE_NAME "CORE" +#define KEXEC_CORE_NOTE_NAME_BYTES ALIGN(sizeof(KEXEC_CORE_NOTE_NAME), 4) +#define KEXEC_CORE_NOTE_DESC_BYTES ALIGN(sizeof(struct elf_prstatus), 4) +/* + * The per-cpu notes area is a list of notes terminated by a "NULL" + * note header. For kdump, the code in vmcore.c runs in the context + * of the second kernel to combine them into one note. + */ +#define KEXEC_NOTE_BYTES ( (KEXEC_NOTE_HEAD_BYTES * 2) + \ + KEXEC_CORE_NOTE_NAME_BYTES + \ + KEXEC_CORE_NOTE_DESC_BYTES ) + /* * This structure is used to hold the arguments that are used when loading * kernel binaries. @@ -136,7 +151,7 @@ extern struct kimage *kexec_crash_image; /* Location of a reserved region to hold the crash kernel. */ extern struct resource crashk_res; -typedef u32 note_buf_t[MAX_NOTE_BYTES/4]; +typedef u32 note_buf_t[KEXEC_NOTE_BYTES/4]; extern note_buf_t *crash_notes; diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 769be39b968..23adf6075ae 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -78,7 +78,7 @@ struct kprobe { kprobe_opcode_t *addr; /* Allow user to indicate symbol name of the probe point */ - char *symbol_name; + const char *symbol_name; /* Offset into the symbol */ unsigned int offset; @@ -123,12 +123,18 @@ DECLARE_PER_CPU(struct kprobe *, current_kprobe); DECLARE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); #ifdef ARCH_SUPPORTS_KRETPROBES -extern void arch_prepare_kretprobe(struct kretprobe *rp, struct pt_regs *regs); +extern void arch_prepare_kretprobe(struct kretprobe_instance *ri, + struct pt_regs *regs); +extern int arch_trampoline_kprobe(struct kprobe *p); #else /* ARCH_SUPPORTS_KRETPROBES */ static inline void arch_prepare_kretprobe(struct kretprobe *rp, struct pt_regs *regs) { } +static inline int arch_trampoline_kprobe(struct kprobe *p) +{ + return 0; +} #endif /* ARCH_SUPPORTS_KRETPROBES */ /* * Function-return probe - @@ -157,6 +163,16 @@ struct kretprobe_instance { struct task_struct *task; }; +static inline void kretprobe_assert(struct kretprobe_instance *ri, + unsigned long orig_ret_address, unsigned long trampoline_address) +{ + if (!orig_ret_address || (orig_ret_address == trampoline_address)) { + printk("kretprobe BUG!: Processing kretprobe %p @ %p\n", + ri->rp, ri->rp->kp.addr); + BUG(); + } +} + extern spinlock_t kretprobe_lock; extern struct mutex kprobe_mutex; extern int arch_prepare_kprobe(struct kprobe *p); @@ -199,8 +215,6 @@ void jprobe_return(void); int register_kretprobe(struct kretprobe *rp); void unregister_kretprobe(struct kretprobe *rp); -struct kretprobe_instance *get_free_rp_inst(struct kretprobe *rp); -void add_rp_inst(struct kretprobe_instance *ri); void kprobe_flush_task(struct task_struct *tk); void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head); #else /* CONFIG_KPROBES */ diff --git a/include/linux/list.h b/include/linux/list.h index f9d71eab05e..9202703be2a 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -426,6 +426,17 @@ static inline void list_splice_init_rcu(struct list_head *list, container_of(ptr, type, member) /** + * list_first_entry - get the first element from a list + * @ptr: the list head to take the element from. + * @type: the type of the struct this is embedded in. + * @member: the name of the list_struct within the struct. + * + * Note, that list is expected to be not empty. + */ +#define list_first_entry(ptr, type, member) \ + list_entry((ptr)->next, type, member) + +/** * list_for_each - iterate over a list * @pos: the &struct list_head to use as a loop cursor. * @head: the head for your list. diff --git a/include/linux/loop.h b/include/linux/loop.h index 191a595055f..0b99b31f017 100644 --- a/include/linux/loop.h +++ b/include/linux/loop.h @@ -64,6 +64,8 @@ struct loop_device { wait_queue_head_t lo_event; request_queue_t *lo_queue; + struct gendisk *lo_disk; + struct list_head lo_list; }; #endif /* __KERNEL__ */ diff --git a/include/linux/mc146818rtc.h b/include/linux/mc146818rtc.h index bdc01127dce..580b3f4956e 100644 --- a/include/linux/mc146818rtc.h +++ b/include/linux/mc146818rtc.h @@ -22,8 +22,15 @@ extern spinlock_t rtc_lock; /* serialize CMOS RAM access */ /* Some RTCs extend the mc146818 register set to support alarms of more * than 24 hours in the future; or dates that include a century code. * This platform_data structure can pass this information to the driver. + * + * Also, some platforms need suspend()/resume() hooks to kick in special + * handling of wake alarms, e.g. activating ACPI BIOS hooks or setting up + * a separate wakeup alarm used by some almost-clone chips. */ struct cmos_rtc_board_info { + void (*wake_on)(struct device *dev); + void (*wake_off)(struct device *dev); + u8 rtc_day_alarm; /* zero, or register index */ u8 rtc_mon_alarm; /* zero, or register index */ u8 rtc_century; /* zero, or register index */ diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h index 4af0b1fc282..1fa4d9813b3 100644 --- a/include/linux/mnt_namespace.h +++ b/include/linux/mnt_namespace.h @@ -14,10 +14,9 @@ struct mnt_namespace { int event; }; -extern int copy_mnt_ns(int, struct task_struct *); -extern void __put_mnt_ns(struct mnt_namespace *ns); -extern struct mnt_namespace *dup_mnt_ns(struct task_struct *, +extern struct mnt_namespace *copy_mnt_ns(int, struct mnt_namespace *, struct fs_struct *); +extern void __put_mnt_ns(struct mnt_namespace *ns); static inline void put_mnt_ns(struct mnt_namespace *ns) { diff --git a/include/linux/module.h b/include/linux/module.h index f0b0faf42d5..6d3dc9c4ff9 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -370,16 +370,14 @@ struct module *module_text_address(unsigned long addr); struct module *__module_text_address(unsigned long addr); int is_module_address(unsigned long addr); -/* Returns module and fills in value, defined and namebuf, or NULL if +/* Returns 0 and fills in value, defined and namebuf, or -ERANGE if symnum out of range. */ -struct module *module_get_kallsym(unsigned int symnum, unsigned long *value, - char *type, char *name, size_t namelen); +int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, + char *name, char *module_name, int *exported); /* Look for this name: can be of form module:name. */ unsigned long module_kallsyms_lookup_name(const char *name); -int is_exported(const char *name, const struct module *mod); - extern void __module_put_and_exit(struct module *mod, long code) __attribute__((noreturn)); #define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code); @@ -456,6 +454,8 @@ const char *module_address_lookup(unsigned long addr, unsigned long *symbolsize, unsigned long *offset, char **modname); +int lookup_module_symbol_name(unsigned long addr, char *symname); +int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name); /* For extable.c to search modules' exception tables. */ const struct exception_table_entry *search_module_extables(unsigned long addr); @@ -527,20 +527,24 @@ static inline const char *module_address_lookup(unsigned long addr, return NULL; } -static inline struct module *module_get_kallsym(unsigned int symnum, - unsigned long *value, - char *type, char *name, - size_t namelen) +static inline int lookup_module_symbol_name(unsigned long addr, char *symname) { - return NULL; + return -ERANGE; } -static inline unsigned long module_kallsyms_lookup_name(const char *name) +static inline int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name) { - return 0; + return -ERANGE; } -static inline int is_exported(const char *name, const struct module *mod) +static inline int module_get_kallsym(unsigned int symnum, unsigned long *value, + char *type, char *name, + char *module_name, int *exported) +{ + return -ERANGE; +} + +static inline unsigned long module_kallsyms_lookup_name(const char *name) { return 0; } diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h index fa253fa73aa..0e09c005dda 100644 --- a/include/linux/msdos_fs.h +++ b/include/linux/msdos_fs.h @@ -205,7 +205,8 @@ struct fat_mount_options { numtail:1, /* Does first alias have a numeric '~1' type tail? */ atari:1, /* Use Atari GEMDOS variation of MS-DOS fs */ flush:1, /* write things quickly */ - nocase:1; /* Does this need case conversion? 0=need case conversion*/ + nocase:1, /* Does this need case conversion? 0=need case conversion*/ + usefree:1; /* Use free_clusters for FAT32 */ }; #define FAT_HASH_BITS 8 diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index c95d5e64254..52b4378311c 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -82,7 +82,7 @@ struct nfs_server { struct rpc_clnt * client_acl; /* ACL RPC client handle */ struct nfs_iostats * io_stats; /* I/O statistics */ struct backing_dev_info backing_dev_info; - atomic_t writeback; /* number of writeback pages */ + atomic_long_t writeback; /* number of writeback pages */ int flags; /* various flags */ unsigned int caps; /* server capabilities */ unsigned int rsize; /* read size */ diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h index 0b9f0dc30d6..189e0dc993a 100644 --- a/include/linux/nsproxy.h +++ b/include/linux/nsproxy.h @@ -31,10 +31,11 @@ struct nsproxy { }; extern struct nsproxy init_nsproxy; -struct nsproxy *dup_namespaces(struct nsproxy *orig); int copy_namespaces(int flags, struct task_struct *tsk); void get_task_namespaces(struct task_struct *tsk); void free_nsproxy(struct nsproxy *ns); +int unshare_nsproxy_namespaces(unsigned long, struct nsproxy **, + struct fs_struct *); static inline void put_nsproxy(struct nsproxy *ns) { diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index b4def5e083e..8a83537d697 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -11,6 +11,7 @@ #include <linux/compiler.h> #include <asm/uaccess.h> #include <linux/gfp.h> +#include <linux/bitops.h> /* * Bits in mapping->flags. The lower __GFP_BITS_SHIFT bits are the page @@ -19,6 +20,16 @@ #define AS_EIO (__GFP_BITS_SHIFT + 0) /* IO error on async write */ #define AS_ENOSPC (__GFP_BITS_SHIFT + 1) /* ENOSPC on async write */ +static inline void mapping_set_error(struct address_space *mapping, int error) +{ + if (error) { + if (error == -ENOSPC) + set_bit(AS_ENOSPC, &mapping->flags); + else + set_bit(AS_EIO, &mapping->flags); + } +} + static inline gfp_t mapping_gfp_mask(struct address_space * mapping) { return (__force gfp_t)mapping->flags & __GFP_BITS_MASK; diff --git a/include/linux/parport.h b/include/linux/parport.h index 80682aaa8f1..9cdd6943e01 100644 --- a/include/linux/parport.h +++ b/include/linux/parport.h @@ -279,6 +279,10 @@ struct parport { int dma; int muxport; /* which muxport (if any) this is */ int portnum; /* which physical parallel port (not mux) */ + struct device *dev; /* Physical device associated with IO/DMA. + * This may unfortulately be null if the + * port has a legacy driver. + */ struct parport *physport; /* If this is a non-default mux @@ -289,7 +293,7 @@ struct parport { following structure members are meaningless: devices, cad, muxsel, waithead, waittail, flags, pdir, - ieee1284, *_lock. + dev, ieee1284, *_lock. It this is a default mux parport, or there is no mux involved, this points to @@ -302,7 +306,7 @@ struct parport { struct pardevice *waithead; struct pardevice *waittail; - + struct list_head list; unsigned int flags; diff --git a/include/linux/parport_pc.h b/include/linux/parport_pc.h index 1cc0f6b1a49..ea8c6d84996 100644 --- a/include/linux/parport_pc.h +++ b/include/linux/parport_pc.h @@ -38,7 +38,6 @@ struct parport_pc_private { /* buffer suitable for DMA, if DMA enabled */ char *dma_buf; dma_addr_t dma_handle; - struct pci_dev *dev; struct list_head list; struct parport *port; }; @@ -232,7 +231,7 @@ extern int parport_pc_claim_resources(struct parport *p); extern struct parport *parport_pc_probe_port (unsigned long base, unsigned long base_hi, int irq, int dma, - struct pci_dev *dev); + struct device *dev); extern void parport_pc_unregister_port (struct parport *p); #endif diff --git a/include/linux/phantom.h b/include/linux/phantom.h new file mode 100644 index 00000000000..d3ebbfae690 --- /dev/null +++ b/include/linux/phantom.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2005-2007 Jiri Slaby <jirislaby@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __PHANTOM_H +#define __PHANTOM_H + +#include <asm/types.h> + +/* PHN_(G/S)ET_REG param */ +struct phm_reg { + __u32 reg; + __u32 value; +}; + +/* PHN_(G/S)ET_REGS param */ +struct phm_regs { + __u32 count; + __u32 mask; + __u32 values[8]; +}; + +#define PH_IOC_MAGIC 'p' +#define PHN_GET_REG _IOWR(PH_IOC_MAGIC, 0, struct phm_reg *) +#define PHN_SET_REG _IOW (PH_IOC_MAGIC, 1, struct phm_reg *) +#define PHN_GET_REGS _IOWR(PH_IOC_MAGIC, 2, struct phm_regs *) +#define PHN_SET_REGS _IOW (PH_IOC_MAGIC, 3, struct phm_regs *) +#define PH_IOC_MAXNR 3 + +#define PHN_CONTROL 0x6 /* control byte in iaddr space */ +#define PHN_CTL_AMP 0x1 /* switch after torques change */ +#define PHN_CTL_BUT 0x2 /* is button switched */ +#define PHN_CTL_IRQ 0x10 /* is irq enabled */ + +#define PHN_ZERO_FORCE 2048 /* zero torque on motor */ + +#endif diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h index 2833806d42c..169c6c24209 100644 --- a/include/linux/pid_namespace.h +++ b/include/linux/pid_namespace.h @@ -29,7 +29,7 @@ static inline void get_pid_ns(struct pid_namespace *ns) kref_get(&ns->kref); } -extern int copy_pid_ns(int flags, struct task_struct *tsk); +extern struct pid_namespace *copy_pid_ns(int flags, struct pid_namespace *ns); extern void free_pid_ns(struct kref *kref); static inline void put_pid_ns(struct pid_namespace *ns) diff --git a/include/linux/pmu.h b/include/linux/pmu.h index b0952e532ed..37ca57392ad 100644 --- a/include/linux/pmu.h +++ b/include/linux/pmu.h @@ -225,4 +225,12 @@ extern unsigned int pmu_power_flags; /* Backlight */ extern void pmu_backlight_init(void); +/* some code needs to know if the PMU was suspended for hibernation */ +#ifdef CONFIG_PM +extern int pmu_sys_suspended; +#else +/* if power management is not configured it can't be suspended */ +#define pmu_sys_suspended 0 +#endif + #endif /* __KERNEL__ */ diff --git a/include/linux/pnp.h b/include/linux/pnp.h index 9a5226f0f16..2a1897e6f93 100644 --- a/include/linux/pnp.h +++ b/include/linux/pnp.h @@ -177,6 +177,7 @@ static inline void pnp_set_card_drvdata (struct pnp_card_link *pcard, void *data struct pnp_dev { struct device dev; /* Driver Model device interface */ + u64 dma_mask; unsigned char number; /* used as an index, must be unique */ int status; @@ -363,6 +364,7 @@ int pnp_add_device(struct pnp_dev *dev); int pnp_device_attach(struct pnp_dev *pnp_dev); void pnp_device_detach(struct pnp_dev *pnp_dev); extern struct list_head pnp_global; +extern int pnp_platform_devices; /* multidevice card support */ int pnp_add_card(struct pnp_card *card); @@ -410,6 +412,7 @@ static inline int pnp_init_device(struct pnp_dev *dev) { return -ENODEV; } static inline int pnp_add_device(struct pnp_dev *dev) { return -ENODEV; } static inline int pnp_device_attach(struct pnp_dev *pnp_dev) { return -ENODEV; } static inline void pnp_device_detach(struct pnp_dev *pnp_dev) { ; } +#define pnp_platform_devices 0 /* multidevice card support */ static inline int pnp_add_card(struct pnp_card *card) { return -ENODEV; } diff --git a/include/linux/poison.h b/include/linux/poison.h index 95f518b1768..d93c300a344 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -15,8 +15,8 @@ * Magic nums for obj red zoning. * Placed in the first word before and the first word after an obj. */ -#define RED_INACTIVE 0x5A2CF071UL /* when obj is inactive */ -#define RED_ACTIVE 0x170FC2A5UL /* when obj is active */ +#define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */ +#define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ #define SLUB_RED_INACTIVE 0xbb #define SLUB_RED_ACTIVE 0xcc diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index f4f7a63cae1..3469f96bc8b 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -106,6 +106,9 @@ int task_statm(struct mm_struct *, int *, int *, int *, int *); char *task_mem(struct mm_struct *, char *); void clear_refs_smap(struct mm_struct *mm); +struct proc_dir_entry *de_get(struct proc_dir_entry *de); +void de_put(struct proc_dir_entry *de); + extern struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode, struct proc_dir_entry *parent); extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent); diff --git a/include/linux/quota.h b/include/linux/quota.h index 77db80a953d..62439828395 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -44,8 +44,6 @@ typedef __kernel_uid32_t qid_t; /* Type in which we store ids in memory */ typedef __u64 qsize_t; /* Type in which we store sizes */ -extern spinlock_t dq_data_lock; - /* Size of blocks in which are counted size limits */ #define QUOTABLOCK_BITS 10 #define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS) @@ -139,6 +137,8 @@ struct if_dqinfo { #include <linux/dqblk_v1.h> #include <linux/dqblk_v2.h> +extern spinlock_t dq_data_lock; + /* Maximal numbers of writes for quota operation (insert/delete/update) * (over VFS all formats) */ #define DQUOT_INIT_ALLOC max(V1_INIT_ALLOC, V2_INIT_ALLOC) diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index 90c23f690c0..5110201a415 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -37,9 +37,6 @@ extern int dquot_release(struct dquot *dquot); extern int dquot_commit_info(struct super_block *sb, int type); extern int dquot_mark_dquot_dirty(struct dquot *dquot); -int remove_inode_dquot_ref(struct inode *inode, int type, - struct list_head *tofree_head); - extern int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path); extern int vfs_quota_on_mount(struct super_block *sb, char *qf_name, int format_id, int type); diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h index 3a28742d86f..1e5488ede03 100644 --- a/include/linux/reiserfs_fs_sb.h +++ b/include/linux/reiserfs_fs_sb.h @@ -401,9 +401,10 @@ struct reiserfs_sb_info { int reserved_blocks; /* amount of blocks reserved for further allocations */ spinlock_t bitmap_lock; /* this lock on now only used to protect reserved_blocks variable */ struct dentry *priv_root; /* root of /.reiserfs_priv */ +#ifdef CONFIG_REISERFS_FS_XATTR struct dentry *xattr_root; /* root of /.reiserfs_priv/.xa */ struct rw_semaphore xattr_dir_sem; - +#endif int j_errno; #ifdef CONFIG_QUOTA char *s_qf_names[MAXQUOTAS]; diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 5e22d4510d1..6d5e4a46781 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -4,7 +4,7 @@ * service. It is used with both the legacy mc146818 and also EFI * Struct rtc_time and first 12 ioctl by Paul Gortmaker, 1996 - separated out * from <linux/mc146818rtc.h> to this file for 2.4 kernels. - * + * * Copyright (C) 1999 Hewlett-Packard Co. * Copyright (C) 1999 Stephane Eranian <eranian@hpl.hp.com> */ @@ -13,7 +13,7 @@ /* * The struct used to pass data via the following ioctl. Similar to the - * struct tm in <time.h>, but it needs to be here so that the kernel + * struct tm in <time.h>, but it needs to be here so that the kernel * source is self contained, allowing cross-compiles, etc. etc. */ @@ -50,7 +50,7 @@ struct rtc_wkalrm { * pll_value*pll_posmult/pll_clock * -ve pll_value means clock will run slower by * pll_value*pll_negmult/pll_clock - */ + */ struct rtc_pll_info { int pll_ctrl; /* placeholder for fancier control */ @@ -106,7 +106,6 @@ extern int rtc_year_days(unsigned int day, unsigned int month, unsigned int year extern int rtc_valid_tm(struct rtc_time *tm); extern int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time); extern void rtc_time_to_tm(unsigned long time, struct rtc_time *tm); -extern void rtc_merge_alarm(struct rtc_time *now, struct rtc_time *alarm); #include <linux/device.h> #include <linux/seq_file.h> @@ -136,7 +135,7 @@ struct rtc_task; struct rtc_device { - struct class_device class_dev; + struct device dev; struct module *owner; int id; @@ -145,7 +144,6 @@ struct rtc_device const struct rtc_class_ops *ops; struct mutex ops_lock; - struct class_device *rtc_dev; struct cdev char_dev; struct mutex char_lock; @@ -169,35 +167,34 @@ struct rtc_device unsigned int uie_timer_active:1; #endif }; -#define to_rtc_device(d) container_of(d, struct rtc_device, class_dev) +#define to_rtc_device(d) container_of(d, struct rtc_device, dev) extern struct rtc_device *rtc_device_register(const char *name, struct device *dev, const struct rtc_class_ops *ops, struct module *owner); -extern void rtc_device_unregister(struct rtc_device *rdev); -extern int rtc_interface_register(struct class_interface *intf); +extern void rtc_device_unregister(struct rtc_device *rtc); -extern int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm); -extern int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm); -extern int rtc_set_mmss(struct class_device *class_dev, unsigned long secs); -extern int rtc_read_alarm(struct class_device *class_dev, +extern int rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm); +extern int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm); +extern int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs); +extern int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alrm); -extern int rtc_set_alarm(struct class_device *class_dev, +extern int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alrm); -extern void rtc_update_irq(struct class_device *class_dev, +extern void rtc_update_irq(struct rtc_device *rtc, unsigned long num, unsigned long events); -extern struct class_device *rtc_class_open(char *name); -extern void rtc_class_close(struct class_device *class_dev); +extern struct rtc_device *rtc_class_open(char *name); +extern void rtc_class_close(struct rtc_device *rtc); -extern int rtc_irq_register(struct class_device *class_dev, +extern int rtc_irq_register(struct rtc_device *rtc, struct rtc_task *task); -extern void rtc_irq_unregister(struct class_device *class_dev, +extern void rtc_irq_unregister(struct rtc_device *rtc, struct rtc_task *task); -extern int rtc_irq_set_state(struct class_device *class_dev, +extern int rtc_irq_set_state(struct rtc_device *rtc, struct rtc_task *task, int enabled); -extern int rtc_irq_set_freq(struct class_device *class_dev, +extern int rtc_irq_set_freq(struct rtc_device *rtc, struct rtc_task *task, int freq); typedef struct rtc_task { diff --git a/include/linux/sched.h b/include/linux/sched.h index a1707583de4..3d95c480f58 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -194,6 +194,14 @@ extern void sched_init_smp(void); extern void init_idle(struct task_struct *idle, int cpu); extern cpumask_t nohz_cpu_mask; +#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ) +extern int select_nohz_load_balancer(int cpu); +#else +static inline int select_nohz_load_balancer(int cpu) +{ + return 0; +} +#endif /* * Only dump TASK_* tasks. (0 for all tasks) @@ -226,6 +234,7 @@ extern void scheduler_tick(void); extern void softlockup_tick(void); extern void spawn_softlockup_task(void); extern void touch_softlockup_watchdog(void); +extern void touch_all_softlockup_watchdogs(void); #else static inline void softlockup_tick(void) { @@ -236,6 +245,9 @@ static inline void spawn_softlockup_task(void) static inline void touch_softlockup_watchdog(void) { } +static inline void touch_all_softlockup_watchdogs(void) +{ +} #endif @@ -668,8 +680,14 @@ struct sched_group { /* * CPU power of this group, SCHED_LOAD_SCALE being max power for a * single CPU. This is read only (except for setup, hotplug CPU). + * Note : Never change cpu_power without recompute its reciprocal + */ + unsigned int __cpu_power; + /* + * reciprocal value of cpu_power to avoid expensive divides + * (see include/linux/reciprocal_div.h) */ - unsigned long cpu_power; + u32 reciprocal_cpu_power; }; struct sched_domain { @@ -801,8 +819,8 @@ struct task_struct { volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ struct thread_info *thread_info; atomic_t usage; - unsigned long flags; /* per process flags, defined below */ - unsigned long ptrace; + unsigned int flags; /* per process flags, defined below */ + unsigned int ptrace; int lock_depth; /* BKL lock depth */ @@ -825,7 +843,7 @@ struct task_struct { unsigned long long sched_time; /* sched_clock time spent running */ enum sleep_type sleep_type; - unsigned long policy; + unsigned int policy; cpumask_t cpus_allowed; unsigned int time_slice, first_time_slice; @@ -845,11 +863,11 @@ struct task_struct { /* task state */ struct linux_binfmt *binfmt; - long exit_state; + int exit_state; int exit_code, exit_signal; int pdeath_signal; /* The signal sent when the parent dies */ /* ??? */ - unsigned long personality; + unsigned int personality; unsigned did_exec:1; pid_t pid; pid_t tgid; @@ -881,7 +899,7 @@ struct task_struct { int __user *set_child_tid; /* CLONE_CHILD_SETTID */ int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ - unsigned long rt_priority; + unsigned int rt_priority; cputime_t utime, stime; unsigned long nvcsw, nivcsw; /* context switch counts */ struct timespec start_time; @@ -1641,10 +1659,7 @@ static inline void arch_pick_mmap_layout(struct mm_struct *mm) extern long sched_setaffinity(pid_t pid, cpumask_t new_mask); extern long sched_getaffinity(pid_t pid, cpumask_t *mask); -#include <linux/sysdev.h> extern int sched_mc_power_savings, sched_smt_power_savings; -extern struct sysdev_attribute attr_sched_mc_power_savings, attr_sched_smt_power_savings; -extern int sched_create_sysfs_power_savings_entries(struct sysdev_class *cls); extern void normalize_rt_tasks(void); diff --git a/include/linux/spi/Kbuild b/include/linux/spi/Kbuild new file mode 100644 index 00000000000..d375a082986 --- /dev/null +++ b/include/linux/spi/Kbuild @@ -0,0 +1 @@ +header-y += spidev.h diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 4f0f8c2e58a..b6bedc3ee95 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -32,11 +32,12 @@ extern struct bus_type spi_bus_type; * @max_speed_hz: Maximum clock rate to be used with this chip * (on this board); may be changed by the device's driver. * The spi_transfer.speed_hz can override this for each transfer. - * @chip-select: Chipselect, distinguishing chips handled by "master". + * @chip_select: Chipselect, distinguishing chips handled by @master. * @mode: The spi mode defines how data is clocked out and in. * This may be changed by the device's driver. - * The "active low" default for chipselect mode can be overridden, - * as can the "MSB first" default for each word in a transfer. + * The "active low" default for chipselect mode can be overridden + * (by specifying SPI_CS_HIGH) as can the "MSB first" default for + * each word in a transfer (by specifying SPI_LSB_FIRST). * @bits_per_word: Data transfers involve one or more words; word sizes * like eight or 12 bits are common. In-memory wordsizes are * powers of two bytes (e.g. 20 bit samples use 32 bits). @@ -48,14 +49,18 @@ extern struct bus_type spi_bus_type; * @controller_state: Controller's runtime state * @controller_data: Board-specific definitions for controller, such as * FIFO initialization parameters; from board_info.controller_data + * @modalias: Name of the driver to use with this device, or an alias + * for that name. This appears in the sysfs "modalias" attribute + * for driver coldplugging, and in uevents used for hotplugging * - * An spi_device is used to interchange data between an SPI slave + * A @spi_device is used to interchange data between an SPI slave * (usually a discrete chip) and CPU memory. * - * In "dev", the platform_data is used to hold information about this + * In @dev, the platform_data is used to hold information about this * device that's meaningful to the device's protocol driver, but not * to its controller. One example might be an identifier for a chip - * variant with slightly different functionality. + * variant with slightly different functionality; another might be + * information about how this particular board wires the chip's pins. */ struct spi_device { struct device dev; @@ -77,13 +82,15 @@ struct spi_device { void *controller_data; const char *modalias; - // likely need more hooks for more protocol options affecting how - // the controller talks to each chip, like: - // - memory packing (12 bit samples into low bits, others zeroed) - // - priority - // - drop chipselect after each word - // - chipselect delays - // - ... + /* + * likely need more hooks for more protocol options affecting how + * the controller talks to each chip, like: + * - memory packing (12 bit samples into low bits, others zeroed) + * - priority + * - drop chipselect after each word + * - chipselect delays + * - ... + */ }; static inline struct spi_device *to_spi_device(struct device *dev) @@ -146,6 +153,11 @@ static inline struct spi_driver *to_spi_driver(struct device_driver *drv) extern int spi_register_driver(struct spi_driver *sdrv); +/** + * spi_unregister_driver - reverse effect of spi_register_driver + * @sdrv: the driver to unregister + * Context: can sleep + */ static inline void spi_unregister_driver(struct spi_driver *sdrv) { if (sdrv) @@ -165,18 +177,20 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * @setup: updates the device mode and clocking records used by a * device's SPI controller; protocol code may call this. This * must fail if an unrecognized or unsupported mode is requested. + * It's always safe to call this unless transfers are pending on + * the device whose settings are being modified. * @transfer: adds a message to the controller's transfer queue. * @cleanup: frees controller-specific state * - * Each SPI master controller can communicate with one or more spi_device + * Each SPI master controller can communicate with one or more @spi_device * children. These make a small bus, sharing MOSI, MISO and SCK signals * but not chip select signals. Each device may be configured to use a * different clock rate, since those shared signals are ignored unless * the chip is selected. * * The driver for an SPI controller manages access to those devices through - * a queue of spi_message transactions, copyin data between CPU memory and - * an SPI slave device). For each such message it queues, it calls the + * a queue of spi_message transactions, copying data between CPU memory and + * an SPI slave device. For each such message it queues, it calls the * message's completion function when the transaction completes. */ struct spi_master { @@ -280,27 +294,27 @@ extern struct spi_master *spi_busnum_to_master(u16 busnum); * struct spi_transfer - a read/write buffer pair * @tx_buf: data to be written (dma-safe memory), or NULL * @rx_buf: data to be read (dma-safe memory), or NULL - * @tx_dma: DMA address of tx_buf, if spi_message.is_dma_mapped - * @rx_dma: DMA address of rx_buf, if spi_message.is_dma_mapped + * @tx_dma: DMA address of tx_buf, if @spi_message.is_dma_mapped + * @rx_dma: DMA address of rx_buf, if @spi_message.is_dma_mapped * @len: size of rx and tx buffers (in bytes) * @speed_hz: Select a speed other then the device default for this - * transfer. If 0 the default (from spi_device) is used. + * transfer. If 0 the default (from @spi_device) is used. * @bits_per_word: select a bits_per_word other then the device default - * for this transfer. If 0 the default (from spi_device) is used. + * for this transfer. If 0 the default (from @spi_device) is used. * @cs_change: affects chipselect after this transfer completes * @delay_usecs: microseconds to delay after this transfer before * (optionally) changing the chipselect status, then starting - * the next transfer or completing this spi_message. - * @transfer_list: transfers are sequenced through spi_message.transfers + * the next transfer or completing this @spi_message. + * @transfer_list: transfers are sequenced through @spi_message.transfers * * SPI transfers always write the same number of bytes as they read. - * Protocol drivers should always provide rx_buf and/or tx_buf. + * Protocol drivers should always provide @rx_buf and/or @tx_buf. * In some cases, they may also want to provide DMA addresses for * the data being transferred; that may reduce overhead, when the * underlying driver uses dma. * * If the transmit buffer is null, zeroes will be shifted out - * while filling rx_buf. If the receive buffer is null, the data + * while filling @rx_buf. If the receive buffer is null, the data * shifted in will be discarded. Only "len" bytes shift out (or in). * It's an error to try to shift out a partial word. (For example, by * shifting out three bytes with word size of sixteen or twenty bits; @@ -309,7 +323,7 @@ extern struct spi_master *spi_busnum_to_master(u16 busnum); * In-memory data values are always in native CPU byte order, translated * from the wire byte order (big-endian except with SPI_LSB_FIRST). So * for example when bits_per_word is sixteen, buffers are 2N bytes long - * and hold N sixteen bit words in CPU byte order. + * (@len = 2N) and hold N sixteen bit words in CPU byte order. * * When the word size of the SPI transfer is not a power-of-two multiple * of eight bits, those in-memory words include extra bits. In-memory @@ -318,7 +332,7 @@ extern struct spi_master *spi_busnum_to_master(u16 busnum); * * All SPI transfers start with the relevant chipselect active. Normally * it stays selected until after the last transfer in a message. Drivers - * can affect the chipselect signal using cs_change: + * can affect the chipselect signal using cs_change. * * (i) If the transfer isn't the last one in the message, this flag is * used to make the chipselect briefly go inactive in the middle of the @@ -372,7 +386,7 @@ struct spi_transfer { * @queue: for use by whichever driver currently owns the message * @state: for use by whichever driver currently owns the message * - * An spi_message is used to execute an atomic sequence of data transfers, + * A @spi_message is used to execute an atomic sequence of data transfers, * each represented by a struct spi_transfer. The sequence is "atomic" * in the sense that no other spi_message may use that SPI bus until that * sequence completes. On some systems, many such sequences can execute as @@ -464,8 +478,9 @@ static inline void spi_message_free(struct spi_message *m) } /** - * spi_setup -- setup SPI mode and clock rate + * spi_setup - setup SPI mode and clock rate * @spi: the device whose settings are being modified + * Context: can sleep * * SPI protocol drivers may need to update the transfer mode if the * device doesn't work with the mode 0 default. They may likewise need @@ -474,7 +489,7 @@ static inline void spi_message_free(struct spi_message *m) * The changes take effect the next time the device is selected and data * is transferred to or from it. * - * Note that this call wil fail if the protocol driver specifies an option + * Note that this call will fail if the protocol driver specifies an option * that the underlying controller or its driver does not support. For * example, not all hardware supports wire transfers using nine bit words, * LSB-first wire encoding, or active-high chipselects. @@ -487,9 +502,10 @@ spi_setup(struct spi_device *spi) /** - * spi_async -- asynchronous SPI transfer + * spi_async - asynchronous SPI transfer * @spi: device with which data will be exchanged * @message: describes the data transfers, including completion callback + * Context: any (irqs may be blocked, etc) * * This call may be used in_irq and other contexts which can't sleep, * as well as from task contexts which can sleep. @@ -535,6 +551,7 @@ extern int spi_sync(struct spi_device *spi, struct spi_message *message); * @spi: device to which data will be written * @buf: data buffer * @len: data buffer size + * Context: can sleep * * This writes the buffer and returns zero or a negative error code. * Callable only from contexts that can sleep. @@ -558,8 +575,9 @@ spi_write(struct spi_device *spi, const u8 *buf, size_t len) * @spi: device from which data will be read * @buf: data buffer * @len: data buffer size + * Context: can sleep * - * This writes the buffer and returns zero or a negative error code. + * This reads the buffer and returns zero or a negative error code. * Callable only from contexts that can sleep. */ static inline int @@ -585,6 +603,7 @@ extern int spi_write_then_read(struct spi_device *spi, * spi_w8r8 - SPI synchronous 8 bit write followed by 8 bit read * @spi: device with which data will be exchanged * @cmd: command to be written before data is read back + * Context: can sleep * * This returns the (unsigned) eight bit number returned by the * device, or else a negative error code. Callable only from @@ -605,6 +624,7 @@ static inline ssize_t spi_w8r8(struct spi_device *spi, u8 cmd) * spi_w8r16 - SPI synchronous 8 bit write followed by 16 bit read * @spi: device with which data will be exchanged * @cmd: command to be written before data is read back + * Context: can sleep * * This returns the (unsigned) sixteen bit number returned by the * device, or else a negative error code. Callable only from diff --git a/include/linux/spi/spidev.h b/include/linux/spi/spidev.h new file mode 100644 index 00000000000..7d700be5749 --- /dev/null +++ b/include/linux/spi/spidev.h @@ -0,0 +1,124 @@ +/* + * include/linux/spi/spidev.h + * + * Copyright (C) 2006 SWAPP + * Andrea Paterniani <a.paterniani@swapp-eng.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef SPIDEV_H +#define SPIDEV_H + + +/* User space versions of kernel symbols for SPI clocking modes, + * matching <linux/spi/spi.h> + */ + +#define SPI_CPHA 0x01 +#define SPI_CPOL 0x02 + +#define SPI_MODE_0 (0|0) +#define SPI_MODE_1 (0|SPI_CPHA) +#define SPI_MODE_2 (SPI_CPOL|0) +#define SPI_MODE_3 (SPI_CPOL|SPI_CPHA) + + +/*---------------------------------------------------------------------------*/ + +/* IOCTL commands */ + +#define SPI_IOC_MAGIC 'k' + +/** + * struct spi_ioc_transfer - describes a single SPI transfer + * @tx_buf: Holds pointer to userspace buffer with transmit data, or null. + * If no data is provided, zeroes are shifted out. + * @rx_buf: Holds pointer to userspace buffer for receive data, or null. + * @len: Length of tx and rx buffers, in bytes. + * @speed_hz: Temporary override of the device's bitrate. + * @bits_per_word: Temporary override of the device's wordsize. + * @delay_usecs: If nonzero, how long to delay after the last bit transfer + * before optionally deselecting the device before the next transfer. + * @cs_change: True to deselect device before starting the next transfer. + * + * This structure is mapped directly to the kernel spi_transfer structure; + * the fields have the same meanings, except of course that the pointers + * are in a different address space (and may be of different sizes in some + * cases, such as 32-bit i386 userspace over a 64-bit x86_64 kernel). + * Zero-initialize the structure, including currently unused fields, to + * accomodate potential future updates. + * + * SPI_IOC_MESSAGE gives userspace the equivalent of kernel spi_sync(). + * Pass it an array of related transfers, they'll execute together. + * Each transfer may be half duplex (either direction) or full duplex. + * + * struct spi_ioc_transfer mesg[4]; + * ... + * status = ioctl(fd, SPI_IOC_MESSAGE(4), mesg); + * + * So for example one transfer might send a nine bit command (right aligned + * in a 16-bit word), the next could read a block of 8-bit data before + * terminating that command by temporarily deselecting the chip; the next + * could send a different nine bit command (re-selecting the chip), and the + * last transfer might write some register values. + */ +struct spi_ioc_transfer { + __u64 tx_buf; + __u64 rx_buf; + + __u32 len; + __u32 speed_hz; + + __u16 delay_usecs; + __u8 bits_per_word; + __u8 cs_change; + __u32 pad; + + /* If the contents of 'struct spi_ioc_transfer' ever change + * incompatibly, then the ioctl number (currently 0) must change; + * ioctls with constant size fields get a bit more in the way of + * error checking than ones (like this) where that field varies. + * + * NOTE: struct layout is the same in 64bit and 32bit userspace. + */ +}; + +/* not all platforms use <asm-generic/ioctl.h> or _IOC_TYPECHECK() ... */ +#define SPI_MSGSIZE(N) \ + ((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS)) \ + ? ((N)*(sizeof (struct spi_ioc_transfer))) : 0) +#define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)]) + + +/* Read / Write of SPI mode (SPI_MODE_0..SPI_MODE_3) */ +#define SPI_IOC_RD_MODE _IOR(SPI_IOC_MAGIC, 1, __u8) +#define SPI_IOC_WR_MODE _IOW(SPI_IOC_MAGIC, 1, __u8) + +/* Read / Write SPI bit justification */ +#define SPI_IOC_RD_LSB_FIRST _IOR(SPI_IOC_MAGIC, 2, __u8) +#define SPI_IOC_WR_LSB_FIRST _IOW(SPI_IOC_MAGIC, 2, __u8) + +/* Read / Write SPI device word length (1..N) */ +#define SPI_IOC_RD_BITS_PER_WORD _IOR(SPI_IOC_MAGIC, 3, __u8) +#define SPI_IOC_WR_BITS_PER_WORD _IOW(SPI_IOC_MAGIC, 3, __u8) + +/* Read / Write SPI device default max speed hz */ +#define SPI_IOC_RD_MAX_SPEED_HZ _IOR(SPI_IOC_MAGIC, 4, __u32) +#define SPI_IOC_WR_MAX_SPEED_HZ _IOW(SPI_IOC_MAGIC, 4, __u32) + + + +#endif /* SPIDEV_H */ diff --git a/include/linux/spinlock_types.h b/include/linux/spinlock_types.h index dc5fb69e4de..210549ba4ef 100644 --- a/include/linux/spinlock_types.h +++ b/include/linux/spinlock_types.h @@ -85,6 +85,12 @@ typedef struct { RW_DEP_MAP_INIT(lockname) } #endif +/* + * SPIN_LOCK_UNLOCKED and RW_LOCK_UNLOCKED defeat lockdep state tracking and + * are hence deprecated. + * Please use DEFINE_SPINLOCK()/DEFINE_RWLOCK() or + * __SPIN_LOCK_UNLOCKED()/__RW_LOCK_UNLOCKED() as appropriate. + */ #define SPIN_LOCK_UNLOCKED __SPIN_LOCK_UNLOCKED(old_style_spin_init) #define RW_LOCK_UNLOCKED __RW_LOCK_UNLOCKED(old_style_rw_init) diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h index 50e2b01e517..1d2b084c018 100644 --- a/include/linux/stacktrace.h +++ b/include/linux/stacktrace.h @@ -6,15 +6,13 @@ struct stack_trace { unsigned int nr_entries, max_entries; unsigned long *entries; int skip; /* input argument: How many entries to skip */ - int all_contexts; /* input argument: if true do than one stack */ }; -extern void save_stack_trace(struct stack_trace *trace, - struct task_struct *task); +extern void save_stack_trace(struct stack_trace *trace); extern void print_stack_trace(struct stack_trace *trace, int spaces); #else -# define save_stack_trace(trace, task) do { } while (0) +# define save_stack_trace(trace) do { } while (0) # define print_stack_trace(trace) do { } while (0) #endif diff --git a/include/linux/stat.h b/include/linux/stat.h index 679ef0d70b6..611c398dab7 100644 --- a/include/linux/stat.h +++ b/include/linux/stat.h @@ -53,6 +53,9 @@ #define S_IWUGO (S_IWUSR|S_IWGRP|S_IWOTH) #define S_IXUGO (S_IXUSR|S_IXGRP|S_IXOTH) +#define UTIME_NOW ((1l << 30) - 1l) +#define UTIME_OMIT ((1l << 30) - 2l) + #include <linux/types.h> #include <linux/time.h> diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 96868be9c21..9d2aa1a12aa 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -1,7 +1,7 @@ #ifndef _LINUX_SWSUSP_H #define _LINUX_SWSUSP_H -#if defined(CONFIG_X86) || defined(CONFIG_FRV) || defined(CONFIG_PPC32) +#if defined(CONFIG_X86) || defined(CONFIG_FRV) || defined(CONFIG_PPC32) || defined(CONFIG_PPC64) #include <asm/suspend.h> #endif #include <linux/swap.h> diff --git a/include/linux/svga.h b/include/linux/svga.h index eadb981bb37..e1cc552e04f 100644 --- a/include/linux/svga.h +++ b/include/linux/svga.h @@ -112,6 +112,7 @@ void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area); void svga_tilefill(struct fb_info *info, struct fb_tilerect *rect); void svga_tileblit(struct fb_info *info, struct fb_tileblit *blit); void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor); +int svga_get_tilemax(struct fb_info *info); int svga_compute_pll(const struct svga_pll *pll, u32 f_wanted, u16 *m, u16 *n, u16 *r, int node); int svga_check_timings(const struct svga_timing_regs *tm, struct fb_var_screeninfo *var, int node); diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h index 389ccf858d3..e699ab279c2 100644 --- a/include/linux/sysdev.h +++ b/include/linux/sysdev.h @@ -22,6 +22,7 @@ #define _SYSDEV_H_ #include <linux/kobject.h> +#include <linux/module.h> #include <linux/pm.h> diff --git a/include/linux/time.h b/include/linux/time.h index 8ea8dea713c..dda9be685ab 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -109,7 +109,7 @@ extern void do_gettimeofday(struct timeval *tv); extern int do_settimeofday(struct timespec *tv); extern int do_sys_settimeofday(struct timespec *tv, struct timezone *tz); #define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts) -extern long do_utimes(int dfd, char __user *filename, struct timeval *times); +extern long do_utimes(int dfd, char __user *filename, struct timespec *times, int flags); struct itimerval; extern int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue); @@ -119,6 +119,7 @@ extern void getnstimeofday(struct timespec *tv); extern struct timespec timespec_trunc(struct timespec t, unsigned gran); extern int timekeeping_is_continuous(void); +extern void update_wall_time(void); /** * timespec_to_ns - Convert timespec to nanoseconds diff --git a/include/linux/timer.h b/include/linux/timer.h index 719113b652d..e0c5c16c992 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -37,6 +37,7 @@ extern struct tvec_t_base_s boot_tvec_bases; TIMER_INITIALIZER(_function, _expires, _data) void fastcall init_timer(struct timer_list * timer); +void fastcall init_timer_deferrable(struct timer_list *timer); static inline void setup_timer(struct timer_list * timer, void (*function)(unsigned long), diff --git a/include/linux/tty.h b/include/linux/tty.h index dee72b9a20f..bb457608520 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -313,6 +313,7 @@ extern int tty_hung_up_p(struct file * filp); extern void do_SAK(struct tty_struct *tty); extern void __do_SAK(struct tty_struct *tty); extern void disassociate_ctty(int priv); +extern void no_tty(void); extern void tty_flip_buffer_push(struct tty_struct *tty); extern speed_t tty_get_baud_rate(struct tty_struct *tty); extern speed_t tty_termios_baud_rate(struct ktermios *termios); @@ -333,7 +334,6 @@ extern int tty_ioctl(struct inode *inode, struct file *file, unsigned int cmd, extern dev_t tty_devnum(struct tty_struct *tty); extern void proc_clear_tty(struct task_struct *p); -extern void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty); extern struct tty_struct *get_current_tty(void); extern struct mutex tty_mutex; diff --git a/include/linux/utsname.h b/include/linux/utsname.h index e10267d402c..f8d3b326e93 100644 --- a/include/linux/utsname.h +++ b/include/linux/utsname.h @@ -49,9 +49,7 @@ static inline void get_uts_ns(struct uts_namespace *ns) } #ifdef CONFIG_UTS_NS -extern int unshare_utsname(unsigned long unshare_flags, - struct uts_namespace **new_uts); -extern int copy_utsname(int flags, struct task_struct *tsk); +extern struct uts_namespace *copy_utsname(int flags, struct uts_namespace *ns); extern void free_uts_ns(struct kref *kref); static inline void put_uts_ns(struct uts_namespace *ns) @@ -59,21 +57,12 @@ static inline void put_uts_ns(struct uts_namespace *ns) kref_put(&ns->kref, free_uts_ns); } #else -static inline int unshare_utsname(unsigned long unshare_flags, - struct uts_namespace **new_uts) +static inline struct uts_namespace *copy_utsname(int flags, + struct uts_namespace *ns) { - if (unshare_flags & CLONE_NEWUTS) - return -EINVAL; - - return 0; + return ns; } -static inline int copy_utsname(int flags, struct task_struct *tsk) -{ - if (flags & CLONE_NEWUTS) - return -EINVAL; - return 0; -} static inline void put_uts_ns(struct uts_namespace *ns) { } diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 924e502905d..4b7ee83787c 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -53,6 +53,7 @@ extern void vunmap(void *addr); extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr, unsigned long pgoff); +void vmalloc_sync_all(void); /* * Lowlevel-APIs (not for driver use!) diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index e0db669998f..d961635d0e6 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -9,6 +9,7 @@ #include <linux/vt.h> #include <linux/kd.h> #include <linux/tty.h> +#include <linux/mutex.h> #include <linux/console_struct.h> #include <linux/mm.h> @@ -82,7 +83,7 @@ void reset_vc(struct vc_data *vc); #define CON_BUF_SIZE (CONFIG_BASE_SMALL ? 256 : PAGE_SIZE) extern char con_buf[CON_BUF_SIZE]; -extern struct semaphore con_buf_sem; +extern struct mutex con_buf_mtx; extern char vt_dont_switch; struct vt_spawn_console { diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index b8abfc74d03..f16ba1e0687 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -121,6 +121,12 @@ struct execute_work { init_timer(&(_work)->timer); \ } while (0) +#define INIT_DELAYED_WORK_DEFERRABLE(_work, _func) \ + do { \ + INIT_WORK(&(_work)->work, (_func)); \ + init_timer_deferrable(&(_work)->timer); \ + } while (0) + /** * work_pending - Find out whether a work item is currently pending * @work: The work item in question diff --git a/include/math-emu/extended.h b/include/math-emu/extended.h deleted file mode 100644 index 84770fceb53..00000000000 --- a/include/math-emu/extended.h +++ /dev/null @@ -1,396 +0,0 @@ -/* Software floating-point emulation. - Definitions for IEEE Extended Precision. - Copyright (C) 1999 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek (jj@ultra.linux.cz). - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If - not, write to the Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - - -#ifndef __MATH_EMU_EXTENDED_H__ -#define __MATH_EMU_EXTENDED_H__ - -#if _FP_W_TYPE_SIZE < 32 -#error "Here's a nickel, kid. Go buy yourself a real computer." -#endif - -#if _FP_W_TYPE_SIZE < 64 -#define _FP_FRACTBITS_E (4*_FP_W_TYPE_SIZE) -#else -#define _FP_FRACTBITS_E (2*_FP_W_TYPE_SIZE) -#endif - -#define _FP_FRACBITS_E 64 -#define _FP_FRACXBITS_E (_FP_FRACTBITS_E - _FP_FRACBITS_E) -#define _FP_WFRACBITS_E (_FP_WORKBITS + _FP_FRACBITS_E) -#define _FP_WFRACXBITS_E (_FP_FRACTBITS_E - _FP_WFRACBITS_E) -#define _FP_EXPBITS_E 15 -#define _FP_EXPBIAS_E 16383 -#define _FP_EXPMAX_E 32767 - -#define _FP_QNANBIT_E \ - ((_FP_W_TYPE)1 << (_FP_FRACBITS_E-2) % _FP_W_TYPE_SIZE) -#define _FP_IMPLBIT_E \ - ((_FP_W_TYPE)1 << (_FP_FRACBITS_E-1) % _FP_W_TYPE_SIZE) -#define _FP_OVERFLOW_E \ - ((_FP_W_TYPE)1 << (_FP_WFRACBITS_E % _FP_W_TYPE_SIZE)) - -#if _FP_W_TYPE_SIZE < 64 - -union _FP_UNION_E -{ - long double flt; - struct - { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned long pad1 : _FP_W_TYPE_SIZE; - unsigned long pad2 : (_FP_W_TYPE_SIZE - 1 - _FP_EXPBITS_E); - unsigned long sign : 1; - unsigned long exp : _FP_EXPBITS_E; - unsigned long frac1 : _FP_W_TYPE_SIZE; - unsigned long frac0 : _FP_W_TYPE_SIZE; -#else - unsigned long frac0 : _FP_W_TYPE_SIZE; - unsigned long frac1 : _FP_W_TYPE_SIZE; - unsigned exp : _FP_EXPBITS_E; - unsigned sign : 1; -#endif /* not bigendian */ - } bits __attribute__((packed)); -}; - - -#define FP_DECL_E(X) _FP_DECL(4,X) - -#define FP_UNPACK_RAW_E(X, val) \ - do { \ - union _FP_UNION_E _flo; _flo.flt = (val); \ - \ - X##_f[2] = 0; X##_f[3] = 0; \ - X##_f[0] = _flo.bits.frac0; \ - X##_f[1] = _flo.bits.frac1; \ - X##_e = _flo.bits.exp; \ - X##_s = _flo.bits.sign; \ - if (!X##_e && (X##_f[1] || X##_f[0]) \ - && !(X##_f[1] & _FP_IMPLBIT_E)) \ - { \ - X##_e++; \ - FP_SET_EXCEPTION(FP_EX_DENORM); \ - } \ - } while (0) - -#define FP_UNPACK_RAW_EP(X, val) \ - do { \ - union _FP_UNION_E *_flo = \ - (union _FP_UNION_E *)(val); \ - \ - X##_f[2] = 0; X##_f[3] = 0; \ - X##_f[0] = _flo->bits.frac0; \ - X##_f[1] = _flo->bits.frac1; \ - X##_e = _flo->bits.exp; \ - X##_s = _flo->bits.sign; \ - if (!X##_e && (X##_f[1] || X##_f[0]) \ - && !(X##_f[1] & _FP_IMPLBIT_E)) \ - { \ - X##_e++; \ - FP_SET_EXCEPTION(FP_EX_DENORM); \ - } \ - } while (0) - -#define FP_PACK_RAW_E(val, X) \ - do { \ - union _FP_UNION_E _flo; \ - \ - if (X##_e) X##_f[1] |= _FP_IMPLBIT_E; \ - else X##_f[1] &= ~(_FP_IMPLBIT_E); \ - _flo.bits.frac0 = X##_f[0]; \ - _flo.bits.frac1 = X##_f[1]; \ - _flo.bits.exp = X##_e; \ - _flo.bits.sign = X##_s; \ - \ - (val) = _flo.flt; \ - } while (0) - -#define FP_PACK_RAW_EP(val, X) \ - do { \ - if (!FP_INHIBIT_RESULTS) \ - { \ - union _FP_UNION_E *_flo = \ - (union _FP_UNION_E *)(val); \ - \ - if (X##_e) X##_f[1] |= _FP_IMPLBIT_E; \ - else X##_f[1] &= ~(_FP_IMPLBIT_E); \ - _flo->bits.frac0 = X##_f[0]; \ - _flo->bits.frac1 = X##_f[1]; \ - _flo->bits.exp = X##_e; \ - _flo->bits.sign = X##_s; \ - } \ - } while (0) - -#define FP_UNPACK_E(X,val) \ - do { \ - FP_UNPACK_RAW_E(X,val); \ - _FP_UNPACK_CANONICAL(E,4,X); \ - } while (0) - -#define FP_UNPACK_EP(X,val) \ - do { \ - FP_UNPACK_RAW_2_P(X,val); \ - _FP_UNPACK_CANONICAL(E,4,X); \ - } while (0) - -#define FP_PACK_E(val,X) \ - do { \ - _FP_PACK_CANONICAL(E,4,X); \ - FP_PACK_RAW_E(val,X); \ - } while (0) - -#define FP_PACK_EP(val,X) \ - do { \ - _FP_PACK_CANONICAL(E,4,X); \ - FP_PACK_RAW_EP(val,X); \ - } while (0) - -#define FP_ISSIGNAN_E(X) _FP_ISSIGNAN(E,4,X) -#define FP_NEG_E(R,X) _FP_NEG(E,4,R,X) -#define FP_ADD_E(R,X,Y) _FP_ADD(E,4,R,X,Y) -#define FP_SUB_E(R,X,Y) _FP_SUB(E,4,R,X,Y) -#define FP_MUL_E(R,X,Y) _FP_MUL(E,4,R,X,Y) -#define FP_DIV_E(R,X,Y) _FP_DIV(E,4,R,X,Y) -#define FP_SQRT_E(R,X) _FP_SQRT(E,4,R,X) - -/* - * Square root algorithms: - * We have just one right now, maybe Newton approximation - * should be added for those machines where division is fast. - * This has special _E version because standard _4 square - * root would not work (it has to start normally with the - * second word and not the first), but as we have to do it - * anyway, we optimize it by doing most of the calculations - * in two UWtype registers instead of four. - */ - -#define _FP_SQRT_MEAT_E(R, S, T, X, q) \ - do { \ - q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \ - _FP_FRAC_SRL_4(X, (_FP_WORKBITS)); \ - while (q) \ - { \ - T##_f[1] = S##_f[1] + q; \ - if (T##_f[1] <= X##_f[1]) \ - { \ - S##_f[1] = T##_f[1] + q; \ - X##_f[1] -= T##_f[1]; \ - R##_f[1] += q; \ - } \ - _FP_FRAC_SLL_2(X, 1); \ - q >>= 1; \ - } \ - q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \ - while (q) \ - { \ - T##_f[0] = S##_f[0] + q; \ - T##_f[1] = S##_f[1]; \ - if (T##_f[1] < X##_f[1] || \ - (T##_f[1] == X##_f[1] && \ - T##_f[0] <= X##_f[0])) \ - { \ - S##_f[0] = T##_f[0] + q; \ - S##_f[1] += (T##_f[0] > S##_f[0]); \ - _FP_FRAC_DEC_2(X, T); \ - R##_f[0] += q; \ - } \ - _FP_FRAC_SLL_2(X, 1); \ - q >>= 1; \ - } \ - _FP_FRAC_SLL_4(R, (_FP_WORKBITS)); \ - if (X##_f[0] | X##_f[1]) \ - { \ - if (S##_f[1] < X##_f[1] || \ - (S##_f[1] == X##_f[1] && \ - S##_f[0] < X##_f[0])) \ - R##_f[0] |= _FP_WORK_ROUND; \ - R##_f[0] |= _FP_WORK_STICKY; \ - } \ - } while (0) - -#define FP_CMP_E(r,X,Y,un) _FP_CMP(E,4,r,X,Y,un) -#define FP_CMP_EQ_E(r,X,Y) _FP_CMP_EQ(E,4,r,X,Y) - -#define FP_TO_INT_E(r,X,rsz,rsg) _FP_TO_INT(E,4,r,X,rsz,rsg) -#define FP_TO_INT_ROUND_E(r,X,rsz,rsg) _FP_TO_INT_ROUND(E,4,r,X,rsz,rsg) -#define FP_FROM_INT_E(X,r,rs,rt) _FP_FROM_INT(E,4,X,r,rs,rt) - -#define _FP_FRAC_HIGH_E(X) (X##_f[2]) -#define _FP_FRAC_HIGH_RAW_E(X) (X##_f[1]) - -#else /* not _FP_W_TYPE_SIZE < 64 */ -union _FP_UNION_E -{ - long double flt /* __attribute__((mode(TF))) */ ; - struct { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned long pad : (_FP_W_TYPE_SIZE - 1 - _FP_EXPBITS_E); - unsigned sign : 1; - unsigned exp : _FP_EXPBITS_E; - unsigned long frac : _FP_W_TYPE_SIZE; -#else - unsigned long frac : _FP_W_TYPE_SIZE; - unsigned exp : _FP_EXPBITS_E; - unsigned sign : 1; -#endif - } bits; -}; - -#define FP_DECL_E(X) _FP_DECL(2,X) - -#define FP_UNPACK_RAW_E(X, val) \ - do { \ - union _FP_UNION_E _flo; _flo.flt = (val); \ - \ - X##_f0 = _flo.bits.frac; \ - X##_f1 = 0; \ - X##_e = _flo.bits.exp; \ - X##_s = _flo.bits.sign; \ - if (!X##_e && X##_f0 && !(X##_f0 & _FP_IMPLBIT_E)) \ - { \ - X##_e++; \ - FP_SET_EXCEPTION(FP_EX_DENORM); \ - } \ - } while (0) - -#define FP_UNPACK_RAW_EP(X, val) \ - do { \ - union _FP_UNION_E *_flo = \ - (union _FP_UNION_E *)(val); \ - \ - X##_f0 = _flo->bits.frac; \ - X##_f1 = 0; \ - X##_e = _flo->bits.exp; \ - X##_s = _flo->bits.sign; \ - if (!X##_e && X##_f0 && !(X##_f0 & _FP_IMPLBIT_E)) \ - { \ - X##_e++; \ - FP_SET_EXCEPTION(FP_EX_DENORM); \ - } \ - } while (0) - -#define FP_PACK_RAW_E(val, X) \ - do { \ - union _FP_UNION_E _flo; \ - \ - if (X##_e) X##_f0 |= _FP_IMPLBIT_E; \ - else X##_f0 &= ~(_FP_IMPLBIT_E); \ - _flo.bits.frac = X##_f0; \ - _flo.bits.exp = X##_e; \ - _flo.bits.sign = X##_s; \ - \ - (val) = _flo.flt; \ - } while (0) - -#define FP_PACK_RAW_EP(fs, val, X) \ - do { \ - if (!FP_INHIBIT_RESULTS) \ - { \ - union _FP_UNION_E *_flo = \ - (union _FP_UNION_E *)(val); \ - \ - if (X##_e) X##_f0 |= _FP_IMPLBIT_E; \ - else X##_f0 &= ~(_FP_IMPLBIT_E); \ - _flo->bits.frac = X##_f0; \ - _flo->bits.exp = X##_e; \ - _flo->bits.sign = X##_s; \ - } \ - } while (0) - - -#define FP_UNPACK_E(X,val) \ - do { \ - FP_UNPACK_RAW_E(X,val); \ - _FP_UNPACK_CANONICAL(E,2,X); \ - } while (0) - -#define FP_UNPACK_EP(X,val) \ - do { \ - FP_UNPACK_RAW_EP(X,val); \ - _FP_UNPACK_CANONICAL(E,2,X); \ - } while (0) - -#define FP_PACK_E(val,X) \ - do { \ - _FP_PACK_CANONICAL(E,2,X); \ - FP_PACK_RAW_E(val,X); \ - } while (0) - -#define FP_PACK_EP(val,X) \ - do { \ - _FP_PACK_CANONICAL(E,2,X); \ - FP_PACK_RAW_EP(val,X); \ - } while (0) - -#define FP_ISSIGNAN_E(X) _FP_ISSIGNAN(E,2,X) -#define FP_NEG_E(R,X) _FP_NEG(E,2,R,X) -#define FP_ADD_E(R,X,Y) _FP_ADD(E,2,R,X,Y) -#define FP_SUB_E(R,X,Y) _FP_SUB(E,2,R,X,Y) -#define FP_MUL_E(R,X,Y) _FP_MUL(E,2,R,X,Y) -#define FP_DIV_E(R,X,Y) _FP_DIV(E,2,R,X,Y) -#define FP_SQRT_E(R,X) _FP_SQRT(E,2,R,X) - -/* - * Square root algorithms: - * We have just one right now, maybe Newton approximation - * should be added for those machines where division is fast. - * We optimize it by doing most of the calculations - * in one UWtype registers instead of two, although we don't - * have to. - */ -#define _FP_SQRT_MEAT_E(R, S, T, X, q) \ - do { \ - q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \ - _FP_FRAC_SRL_2(X, (_FP_WORKBITS)); \ - while (q) \ - { \ - T##_f0 = S##_f0 + q; \ - if (T##_f0 <= X##_f0) \ - { \ - S##_f0 = T##_f0 + q; \ - X##_f0 -= T##_f0; \ - R##_f0 += q; \ - } \ - _FP_FRAC_SLL_1(X, 1); \ - q >>= 1; \ - } \ - _FP_FRAC_SLL_2(R, (_FP_WORKBITS)); \ - if (X##_f0) \ - { \ - if (S##_f0 < X##_f0) \ - R##_f0 |= _FP_WORK_ROUND; \ - R##_f0 |= _FP_WORK_STICKY; \ - } \ - } while (0) - -#define FP_CMP_E(r,X,Y,un) _FP_CMP(E,2,r,X,Y,un) -#define FP_CMP_EQ_E(r,X,Y) _FP_CMP_EQ(E,2,r,X,Y) - -#define FP_TO_INT_E(r,X,rsz,rsg) _FP_TO_INT(E,2,r,X,rsz,rsg) -#define FP_TO_INT_ROUND_E(r,X,rsz,rsg) _FP_TO_INT_ROUND(E,2,r,X,rsz,rsg) -#define FP_FROM_INT_E(X,r,rs,rt) _FP_FROM_INT(E,2,X,r,rs,rt) - -#define _FP_FRAC_HIGH_E(X) (X##_f1) -#define _FP_FRAC_HIGH_RAW_E(X) (X##_f0) - -#endif /* not _FP_W_TYPE_SIZE < 64 */ - -#endif /* __MATH_EMU_EXTENDED_H__ */ diff --git a/include/net/sock.h b/include/net/sock.h index 25c37e34bfd..689b886038d 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1361,15 +1361,6 @@ static inline void sock_valbool_flag(struct sock *sk, int bit, int valbool) extern __u32 sysctl_wmem_max; extern __u32 sysctl_rmem_max; -#ifdef CONFIG_NET -int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg); -#else -static inline int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - return -ENODEV; -} -#endif - extern void sk_init(void); #ifdef CONFIG_SYSCTL diff --git a/include/video/mach64.h b/include/video/mach64.h index 09a7f4a7289..a8332e528ec 100644 --- a/include/video/mach64.h +++ b/include/video/mach64.h @@ -885,6 +885,7 @@ #define SDRAM 4 #define SGRAM 5 #define WRAM 6 +#define SDRAM32 6 #define DAC_INTERNAL 0x00 #define DAC_IBMRGB514 0x01 diff --git a/include/video/permedia2.h b/include/video/permedia2.h index b95d3628933..9e49c9571ec 100644 --- a/include/video/permedia2.h +++ b/include/video/permedia2.h @@ -154,6 +154,10 @@ #define PM2VI_RD_CLK1_PRESCALE 0x204 #define PM2VI_RD_CLK1_FEEDBACK 0x205 #define PM2VI_RD_CLK1_POSTSCALE 0x206 +#define PM2VI_RD_MCLK_CONTROL 0x20D +#define PM2VI_RD_MCLK_PRESCALE 0x20E +#define PM2VI_RD_MCLK_FEEDBACK 0x20F +#define PM2VI_RD_MCLK_POSTSCALE 0x210 #define PM2VI_RD_CURSOR_PALETTE 0x303 #define PM2VI_RD_CURSOR_PATTERN 0x400 diff --git a/include/video/tgafb.h b/include/video/tgafb.h index be2b3e94e25..03d0dbe293a 100644 --- a/include/video/tgafb.h +++ b/include/video/tgafb.h @@ -39,6 +39,7 @@ #define TGA_RASTEROP_REG 0x0034 #define TGA_PIXELSHIFT_REG 0x0038 #define TGA_DEEP_REG 0x0050 +#define TGA_START_REG 0x0054 #define TGA_PIXELMASK_REG 0x005c #define TGA_CURSOR_BASE_REG 0x0060 #define TGA_HORIZ_REG 0x0064 @@ -140,7 +141,7 @@ /* - * Useful defines for managing the BT463 on the 24-plane TGAs + * Useful defines for managing the BT463 on the 24-plane TGAs/SFB+s */ #define BT463_ADDR_LO 0x0 @@ -168,12 +169,35 @@ #define BT463_WINDOW_TYPE_BASE 0x0300 /* + * Useful defines for managing the BT459 on the 8-plane SFB+s + */ + +#define BT459_ADDR_LO 0x0 +#define BT459_ADDR_HI 0x1 +#define BT459_REG_ACC 0x2 +#define BT459_PALETTE 0x3 + +#define BT459_CUR_CLR_1 0x0181 +#define BT459_CUR_CLR_2 0x0182 +#define BT459_CUR_CLR_3 0x0183 + +#define BT459_CMD_REG_0 0x0201 +#define BT459_CMD_REG_1 0x0202 +#define BT459_CMD_REG_2 0x0203 + +#define BT459_READ_MASK 0x0204 + +#define BT459_BLINK_MASK 0x0206 + +#define BT459_CUR_CMD_REG 0x0300 + +/* * The framebuffer driver private data. */ struct tga_par { - /* PCI device. */ - struct pci_dev *pdev; + /* PCI/TC device. */ + struct device *dev; /* Device dependent information. */ void __iomem *tga_mem_base; @@ -235,4 +259,21 @@ BT463_WRITE(struct tga_par *par, u32 m, u16 a, u8 v) TGA_WRITE_REG(par, m << 10 | v, TGA_RAMDAC_REG); } +static inline void +BT459_LOAD_ADDR(struct tga_par *par, u16 a) +{ + TGA_WRITE_REG(par, BT459_ADDR_LO << 2, TGA_RAMDAC_SETUP_REG); + TGA_WRITE_REG(par, a & 0xff, TGA_RAMDAC_REG); + TGA_WRITE_REG(par, BT459_ADDR_HI << 2, TGA_RAMDAC_SETUP_REG); + TGA_WRITE_REG(par, a >> 8, TGA_RAMDAC_REG); +} + +static inline void +BT459_WRITE(struct tga_par *par, u32 m, u16 a, u8 v) +{ + BT459_LOAD_ADDR(par, a); + TGA_WRITE_REG(par, m << 2, TGA_RAMDAC_SETUP_REG); + TGA_WRITE_REG(par, v, TGA_RAMDAC_REG); +} + #endif /* TGAFB_H */ diff --git a/init/Kconfig b/init/Kconfig index ebe04f56d83..d0edf42f4db 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -266,6 +266,23 @@ config IKCONFIG_PROC This option enables access to the kernel configuration file through /proc/config.gz. +config LOG_BUF_SHIFT + int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" + range 12 21 + default 17 if S390 || LOCKDEP + default 16 if X86_NUMAQ || IA64 + default 15 if SMP + default 14 + help + Select kernel log buffer size as a power of 2. + Defaults and Examples: + 17 => 128 KB for S/390 + 16 => 64 KB for x86 NUMAQ or IA-64 + 15 => 32 KB for SMP + 14 => 16 KB for uniprocessor + 13 => 8 KB + 12 => 4 KB + config CPUSETS bool "Cpuset support" depends on SMP diff --git a/init/do_mounts.c b/init/do_mounts.c index dc1ec0803ef..3f57ed4599d 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -9,6 +9,7 @@ #include <linux/delay.h> #include <linux/mount.h> #include <linux/device.h> +#include <linux/init.h> #include <linux/nfs_fs.h> #include <linux/nfs_fs_sb.h> diff --git a/init/main.c b/init/main.c index 0e22f40487b..c1537e0ddce 100644 --- a/init/main.c +++ b/init/main.c @@ -94,7 +94,6 @@ extern void pidmap_init(void); extern void prio_tree_init(void); extern void radix_tree_init(void); extern void free_initmem(void); -extern void prepare_namespace(void); #ifdef CONFIG_ACPI extern void acpi_early_init(void); #else @@ -649,6 +648,7 @@ static void __init do_initcalls(void) int count = preempt_count(); for (call = __initcall_start; call < __initcall_end; call++) { + ktime_t t0, t1, delta; char *msg = NULL; char msgbuf[40]; int result; @@ -658,10 +658,26 @@ static void __init do_initcalls(void) print_fn_descriptor_symbol(": %s()", (unsigned long) *call); printk("\n"); + t0 = ktime_get(); } result = (*call)(); + if (initcall_debug) { + t1 = ktime_get(); + delta = ktime_sub(t1, t0); + + printk("initcall 0x%p", *call); + print_fn_descriptor_symbol(": %s()", + (unsigned long) *call); + printk(" returned %d.\n", result); + + printk("initcall 0x%p ran for %Ld msecs: ", + *call, (unsigned long long)delta.tv64 >> 20); + print_fn_descriptor_symbol("%s()\n", + (unsigned long) *call); + } + if (result && result != -ENODEV && initcall_debug) { sprintf(msgbuf, "error code %d", result); msg = msgbuf; diff --git a/ipc/compat.c b/ipc/compat.c index fa18141539f..8b44aa9a7c9 100644 --- a/ipc/compat.c +++ b/ipc/compat.c @@ -542,6 +542,8 @@ static inline int put_compat_shminfo64(struct shminfo64 *smi, if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64))) return -EFAULT; + if (smi->shmmax > INT_MAX) + smi->shmmax = INT_MAX; err = __put_user(smi->shmmax, &up64->shmmax); err |= __put_user(smi->shmmin, &up64->shmmin); err |= __put_user(smi->shmmni, &up64->shmmni); @@ -557,6 +559,8 @@ static inline int put_compat_shminfo(struct shminfo64 *smi, if (!access_ok(VERIFY_WRITE, up, sizeof(*up))) return -EFAULT; + if (smi->shmmax > INT_MAX) + smi->shmmax = INT_MAX; err = __put_user(smi->shmmax, &up->shmmax); err |= __put_user(smi->shmmin, &up->shmmin); err |= __put_user(smi->shmmni, &up->shmmni); diff --git a/ipc/sem.c b/ipc/sem.c index d3e12efd55c..9964b2224c7 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -75,7 +75,6 @@ #include <linux/init.h> #include <linux/proc_fs.h> #include <linux/time.h> -#include <linux/smp_lock.h> #include <linux/security.h> #include <linux/syscalls.h> #include <linux/audit.h> diff --git a/ipc/util.c b/ipc/util.c index 0b652387d16..7536a7292d4 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -21,7 +21,6 @@ #include <linux/shm.h> #include <linux/init.h> #include <linux/msg.h> -#include <linux/smp_lock.h> #include <linux/vmalloc.h> #include <linux/slab.h> #include <linux/capability.h> @@ -85,53 +84,20 @@ err_mem: return ERR_PTR(err); } -int unshare_ipcs(unsigned long unshare_flags, struct ipc_namespace **new_ipc) +struct ipc_namespace *copy_ipcs(unsigned long flags, struct ipc_namespace *ns) { - struct ipc_namespace *new; - - if (unshare_flags & CLONE_NEWIPC) { - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - - new = clone_ipc_ns(current->nsproxy->ipc_ns); - if (IS_ERR(new)) - return PTR_ERR(new); - - *new_ipc = new; - } - - return 0; -} - -int copy_ipcs(unsigned long flags, struct task_struct *tsk) -{ - struct ipc_namespace *old_ns = tsk->nsproxy->ipc_ns; struct ipc_namespace *new_ns; - int err = 0; - if (!old_ns) - return 0; - - get_ipc_ns(old_ns); + BUG_ON(!ns); + get_ipc_ns(ns); if (!(flags & CLONE_NEWIPC)) - return 0; + return ns; - if (!capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto out; - } + new_ns = clone_ipc_ns(ns); - new_ns = clone_ipc_ns(old_ns); - if (!new_ns) { - err = -ENOMEM; - goto out; - } - - tsk->nsproxy->ipc_ns = new_ns; -out: - put_ipc_ns(old_ns); - return err; + put_ipc_ns(ns); + return new_ns; } void free_ipc_ns(struct kref *kref) @@ -145,11 +111,11 @@ void free_ipc_ns(struct kref *kref) kfree(ns); } #else -int copy_ipcs(unsigned long flags, struct task_struct *tsk) +struct ipc_namespace *copy_ipcs(unsigned long flags, struct ipc_namespace *ns) { if (flags & CLONE_NEWIPC) - return -EINVAL; - return 0; + return ERR_PTR(-EINVAL); + return ns; } #endif diff --git a/kernel/Makefile b/kernel/Makefile index ac6b27abb1a..642d4277c2e 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -8,7 +8,7 @@ obj-y = sched.o fork.o exec_domain.o panic.o printk.o profile.o \ signal.o sys.o kmod.o workqueue.o pid.o \ rcupdate.o extable.o params.o posix-timers.o \ kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \ - hrtimer.o rwsem.o latency.o nsproxy.o srcu.o + hrtimer.o rwsem.o latency.o nsproxy.o srcu.o die_notifier.o obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-y += time/ diff --git a/kernel/audit.c b/kernel/audit.c index 4e9d2082968..d13276d4141 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -515,8 +515,8 @@ static int audit_netlink_ok(struct sk_buff *skb, u16 msg_type) err = -EPERM; break; case AUDIT_USER: - case AUDIT_FIRST_USER_MSG...AUDIT_LAST_USER_MSG: - case AUDIT_FIRST_USER_MSG2...AUDIT_LAST_USER_MSG2: + case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG: + case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2: if (security_netlink_recv(skb, CAP_AUDIT_WRITE)) err = -EPERM; break; @@ -614,8 +614,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) loginuid, sid); break; case AUDIT_USER: - case AUDIT_FIRST_USER_MSG...AUDIT_LAST_USER_MSG: - case AUDIT_FIRST_USER_MSG2...AUDIT_LAST_USER_MSG2: + case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG: + case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2: if (!audit_enabled && msg_type != AUDIT_USER_AVC) return 0; diff --git a/kernel/cpuset.c b/kernel/cpuset.c index d240349cbf0..88b416dfbc7 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -42,7 +42,6 @@ #include <linux/seq_file.h> #include <linux/security.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/stat.h> #include <linux/string.h> @@ -822,11 +821,22 @@ static int update_cpumask(struct cpuset *cs, char *buf) return -EACCES; trialcs = *cs; - retval = cpulist_parse(buf, trialcs.cpus_allowed); - if (retval < 0) - return retval; + + /* + * We allow a cpuset's cpus_allowed to be empty; if it has attached + * tasks, we'll catch it later when we validate the change and return + * -ENOSPC. + */ + if (!buf[0] || (buf[0] == '\n' && !buf[1])) { + cpus_clear(trialcs.cpus_allowed); + } else { + retval = cpulist_parse(buf, trialcs.cpus_allowed); + if (retval < 0) + return retval; + } cpus_and(trialcs.cpus_allowed, trialcs.cpus_allowed, cpu_online_map); - if (cpus_empty(trialcs.cpus_allowed)) + /* cpus_allowed cannot be empty for a cpuset with attached tasks. */ + if (atomic_read(&cs->count) && cpus_empty(trialcs.cpus_allowed)) return -ENOSPC; retval = validate_change(cs, &trialcs); if (retval < 0) @@ -919,16 +929,27 @@ static int update_nodemask(struct cpuset *cs, char *buf) return -EACCES; trialcs = *cs; - retval = nodelist_parse(buf, trialcs.mems_allowed); - if (retval < 0) - goto done; + + /* + * We allow a cpuset's mems_allowed to be empty; if it has attached + * tasks, we'll catch it later when we validate the change and return + * -ENOSPC. + */ + if (!buf[0] || (buf[0] == '\n' && !buf[1])) { + nodes_clear(trialcs.mems_allowed); + } else { + retval = nodelist_parse(buf, trialcs.mems_allowed); + if (retval < 0) + goto done; + } nodes_and(trialcs.mems_allowed, trialcs.mems_allowed, node_online_map); oldmem = cs->mems_allowed; if (nodes_equal(oldmem, trialcs.mems_allowed)) { retval = 0; /* Too easy - nothing to do */ goto done; } - if (nodes_empty(trialcs.mems_allowed)) { + /* mems_allowed cannot be empty for a cpuset with attached tasks. */ + if (atomic_read(&cs->count) && nodes_empty(trialcs.mems_allowed)) { retval = -ENOSPC; goto done; } @@ -2200,10 +2221,6 @@ void cpuset_fork(struct task_struct *child) * it is holding that mutex while calling check_for_release(), * which calls kmalloc(), so can't be called holding callback_mutex(). * - * We don't need to task_lock() this reference to tsk->cpuset, - * because tsk is already marked PF_EXITING, so attach_task() won't - * mess with it, or task is a failed fork, never visible to attach_task. - * * the_top_cpuset_hack: * * Set the exiting tasks cpuset to the root cpuset (top_cpuset). @@ -2242,8 +2259,10 @@ void cpuset_exit(struct task_struct *tsk) { struct cpuset *cs; + task_lock(current); cs = tsk->cpuset; tsk->cpuset = &top_cpuset; /* the_top_cpuset_hack - see above */ + task_unlock(current); if (notify_on_release(cs)) { char *pathbuf = NULL; diff --git a/kernel/die_notifier.c b/kernel/die_notifier.c new file mode 100644 index 00000000000..0d98827887a --- /dev/null +++ b/kernel/die_notifier.c @@ -0,0 +1,38 @@ + +#include <linux/module.h> +#include <linux/notifier.h> +#include <linux/vmalloc.h> +#include <linux/kdebug.h> + + +static ATOMIC_NOTIFIER_HEAD(die_chain); + +int notify_die(enum die_val val, const char *str, + struct pt_regs *regs, long err, int trap, int sig) +{ + struct die_args args = { + .regs = regs, + .str = str, + .err = err, + .trapnr = trap, + .signr = sig, + + }; + + return atomic_notifier_call_chain(&die_chain, val, &args); +} + +int register_die_notifier(struct notifier_block *nb) +{ + vmalloc_sync_all(); + return atomic_notifier_chain_register(&die_chain, nb); +} +EXPORT_SYMBOL_GPL(register_die_notifier); + +int unregister_die_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_unregister(&die_chain, nb); +} +EXPORT_SYMBOL_GPL(unregister_die_notifier); + + diff --git a/kernel/exit.c b/kernel/exit.c index 92369240d91..f5a7abb621f 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -7,7 +7,6 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/module.h> #include <linux/capability.h> #include <linux/completion.h> diff --git a/kernel/fork.c b/kernel/fork.c index b7d169def94..a8dd75d4992 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -14,7 +14,6 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/unistd.h> -#include <linux/smp_lock.h> #include <linux/module.h> #include <linux/vmalloc.h> #include <linux/completion.h> @@ -1516,26 +1515,6 @@ static int unshare_fs(unsigned long unshare_flags, struct fs_struct **new_fsp) } /* - * Unshare the mnt_namespace structure if it is being shared - */ -static int unshare_mnt_namespace(unsigned long unshare_flags, - struct mnt_namespace **new_nsp, struct fs_struct *new_fs) -{ - struct mnt_namespace *ns = current->nsproxy->mnt_ns; - - if ((unshare_flags & CLONE_NEWNS) && ns) { - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - - *new_nsp = dup_mnt_ns(current, new_fs ? new_fs : current->fs); - if (!*new_nsp) - return -ENOMEM; - } - - return 0; -} - -/* * Unsharing of sighand is not supported yet */ static int unshare_sighand(unsigned long unshare_flags, struct sighand_struct **new_sighp) @@ -1593,16 +1572,6 @@ static int unshare_semundo(unsigned long unshare_flags, struct sem_undo_list **n return 0; } -#ifndef CONFIG_IPC_NS -static inline int unshare_ipcs(unsigned long flags, struct ipc_namespace **ns) -{ - if (flags & CLONE_NEWIPC) - return -EINVAL; - - return 0; -} -#endif - /* * unshare allows a process to 'unshare' part of the process * context which was originally shared using clone. copy_* @@ -1615,14 +1584,11 @@ asmlinkage long sys_unshare(unsigned long unshare_flags) { int err = 0; struct fs_struct *fs, *new_fs = NULL; - struct mnt_namespace *ns, *new_ns = NULL; struct sighand_struct *new_sigh = NULL; struct mm_struct *mm, *new_mm = NULL, *active_mm = NULL; struct files_struct *fd, *new_fd = NULL; struct sem_undo_list *new_ulist = NULL; struct nsproxy *new_nsproxy = NULL, *old_nsproxy = NULL; - struct uts_namespace *uts, *new_uts = NULL; - struct ipc_namespace *ipc, *new_ipc = NULL; check_unshare_flags(&unshare_flags); @@ -1637,36 +1603,24 @@ asmlinkage long sys_unshare(unsigned long unshare_flags) goto bad_unshare_out; if ((err = unshare_fs(unshare_flags, &new_fs))) goto bad_unshare_cleanup_thread; - if ((err = unshare_mnt_namespace(unshare_flags, &new_ns, new_fs))) - goto bad_unshare_cleanup_fs; if ((err = unshare_sighand(unshare_flags, &new_sigh))) - goto bad_unshare_cleanup_ns; + goto bad_unshare_cleanup_fs; if ((err = unshare_vm(unshare_flags, &new_mm))) goto bad_unshare_cleanup_sigh; if ((err = unshare_fd(unshare_flags, &new_fd))) goto bad_unshare_cleanup_vm; if ((err = unshare_semundo(unshare_flags, &new_ulist))) goto bad_unshare_cleanup_fd; - if ((err = unshare_utsname(unshare_flags, &new_uts))) + if ((err = unshare_nsproxy_namespaces(unshare_flags, &new_nsproxy, + new_fs))) goto bad_unshare_cleanup_semundo; - if ((err = unshare_ipcs(unshare_flags, &new_ipc))) - goto bad_unshare_cleanup_uts; - - if (new_ns || new_uts || new_ipc) { - old_nsproxy = current->nsproxy; - new_nsproxy = dup_namespaces(old_nsproxy); - if (!new_nsproxy) { - err = -ENOMEM; - goto bad_unshare_cleanup_ipc; - } - } - if (new_fs || new_ns || new_mm || new_fd || new_ulist || - new_uts || new_ipc) { + if (new_fs || new_mm || new_fd || new_ulist || new_nsproxy) { task_lock(current); if (new_nsproxy) { + old_nsproxy = current->nsproxy; current->nsproxy = new_nsproxy; new_nsproxy = old_nsproxy; } @@ -1677,12 +1631,6 @@ asmlinkage long sys_unshare(unsigned long unshare_flags) new_fs = fs; } - if (new_ns) { - ns = current->nsproxy->mnt_ns; - current->nsproxy->mnt_ns = new_ns; - new_ns = ns; - } - if (new_mm) { mm = current->mm; active_mm = current->active_mm; @@ -1698,32 +1646,12 @@ asmlinkage long sys_unshare(unsigned long unshare_flags) new_fd = fd; } - if (new_uts) { - uts = current->nsproxy->uts_ns; - current->nsproxy->uts_ns = new_uts; - new_uts = uts; - } - - if (new_ipc) { - ipc = current->nsproxy->ipc_ns; - current->nsproxy->ipc_ns = new_ipc; - new_ipc = ipc; - } - task_unlock(current); } if (new_nsproxy) put_nsproxy(new_nsproxy); -bad_unshare_cleanup_ipc: - if (new_ipc) - put_ipc_ns(new_ipc); - -bad_unshare_cleanup_uts: - if (new_uts) - put_uts_ns(new_uts); - bad_unshare_cleanup_semundo: bad_unshare_cleanup_fd: if (new_fd) @@ -1738,10 +1666,6 @@ bad_unshare_cleanup_sigh: if (atomic_dec_and_test(&new_sigh->count)) kmem_cache_free(sighand_cachep, new_sigh); -bad_unshare_cleanup_ns: - if (new_ns) - put_mnt_ns(new_ns); - bad_unshare_cleanup_fs: if (new_fs) put_fs_struct(new_fs); diff --git a/kernel/futex.c b/kernel/futex.c index 5a270b5e3f9..600bc9d801f 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -48,6 +48,7 @@ #include <linux/pagemap.h> #include <linux/syscalls.h> #include <linux/signal.h> +#include <linux/module.h> #include <asm/futex.h> #include "rtmutex_common.h" @@ -55,32 +56,6 @@ #define FUTEX_HASHBITS (CONFIG_BASE_SMALL ? 4 : 8) /* - * Futexes are matched on equal values of this key. - * The key type depends on whether it's a shared or private mapping. - * Don't rearrange members without looking at hash_futex(). - * - * offset is aligned to a multiple of sizeof(u32) (== 4) by definition. - * We set bit 0 to indicate if it's an inode-based key. - */ -union futex_key { - struct { - unsigned long pgoff; - struct inode *inode; - int offset; - } shared; - struct { - unsigned long address; - struct mm_struct *mm; - int offset; - } private; - struct { - unsigned long word; - void *ptr; - int offset; - } both; -}; - -/* * Priority Inheritance state: */ struct futex_pi_state { @@ -175,7 +150,7 @@ static inline int match_futex(union futex_key *key1, union futex_key *key2) * * Should be called with ¤t->mm->mmap_sem but NOT any spinlocks. */ -static int get_futex_key(u32 __user *uaddr, union futex_key *key) +int get_futex_key(u32 __user *uaddr, union futex_key *key) { unsigned long address = (unsigned long)uaddr; struct mm_struct *mm = current->mm; @@ -246,6 +221,7 @@ static int get_futex_key(u32 __user *uaddr, union futex_key *key) } return err; } +EXPORT_SYMBOL_GPL(get_futex_key); /* * Take a reference to the resource addressed by a key. @@ -254,7 +230,7 @@ static int get_futex_key(u32 __user *uaddr, union futex_key *key) * NOTE: mmap_sem MUST be held between get_futex_key() and calling this * function, if it is called at all. mmap_sem keeps key->shared.inode valid. */ -static inline void get_key_refs(union futex_key *key) +inline void get_futex_key_refs(union futex_key *key) { if (key->both.ptr != 0) { if (key->both.offset & 1) @@ -263,12 +239,13 @@ static inline void get_key_refs(union futex_key *key) atomic_inc(&key->private.mm->mm_count); } } +EXPORT_SYMBOL_GPL(get_futex_key_refs); /* * Drop a reference to the resource addressed by a key. * The hash bucket spinlock must not be held. */ -static void drop_key_refs(union futex_key *key) +void drop_futex_key_refs(union futex_key *key) { if (key->both.ptr != 0) { if (key->both.offset & 1) @@ -277,6 +254,7 @@ static void drop_key_refs(union futex_key *key) mmdrop(key->private.mm); } } +EXPORT_SYMBOL_GPL(drop_futex_key_refs); static inline int get_futex_value_locked(u32 *dest, u32 __user *from) { @@ -873,7 +851,7 @@ static int futex_requeue(u32 __user *uaddr1, u32 __user *uaddr2, this->lock_ptr = &hb2->lock; } this->key = key2; - get_key_refs(&key2); + get_futex_key_refs(&key2); drop_count++; if (ret - nr_wake >= nr_requeue) @@ -886,9 +864,9 @@ out_unlock: if (hb1 != hb2) spin_unlock(&hb2->lock); - /* drop_key_refs() must be called outside the spinlocks. */ + /* drop_futex_key_refs() must be called outside the spinlocks. */ while (--drop_count >= 0) - drop_key_refs(&key1); + drop_futex_key_refs(&key1); out: up_read(¤t->mm->mmap_sem); @@ -906,7 +884,7 @@ queue_lock(struct futex_q *q, int fd, struct file *filp) init_waitqueue_head(&q->waiters); - get_key_refs(&q->key); + get_futex_key_refs(&q->key); hb = hash_futex(&q->key); q->lock_ptr = &hb->lock; @@ -925,7 +903,7 @@ static inline void queue_unlock(struct futex_q *q, struct futex_hash_bucket *hb) { spin_unlock(&hb->lock); - drop_key_refs(&q->key); + drop_futex_key_refs(&q->key); } /* @@ -980,7 +958,7 @@ static int unqueue_me(struct futex_q *q) ret = 1; } - drop_key_refs(&q->key); + drop_futex_key_refs(&q->key); return ret; } @@ -999,15 +977,18 @@ static void unqueue_me_pi(struct futex_q *q, struct futex_hash_bucket *hb) spin_unlock(&hb->lock); - drop_key_refs(&q->key); + drop_futex_key_refs(&q->key); } -static int futex_wait(u32 __user *uaddr, u32 val, unsigned long time) +static long futex_wait_restart(struct restart_block *restart); +static int futex_wait_abstime(u32 __user *uaddr, u32 val, + int timed, unsigned long abs_time) { struct task_struct *curr = current; DECLARE_WAITQUEUE(wait, curr); struct futex_hash_bucket *hb; struct futex_q q; + unsigned long time_left = 0; u32 uval; int ret; @@ -1087,8 +1068,21 @@ static int futex_wait(u32 __user *uaddr, u32 val, unsigned long time) * !list_empty() is safe here without any lock. * q.lock_ptr != 0 is not safe, because of ordering against wakeup. */ - if (likely(!list_empty(&q.list))) - time = schedule_timeout(time); + time_left = 0; + if (likely(!list_empty(&q.list))) { + unsigned long rel_time; + + if (timed) { + unsigned long now = jiffies; + if (time_after(now, abs_time)) + rel_time = 0; + else + rel_time = abs_time - now; + } else + rel_time = MAX_SCHEDULE_TIMEOUT; + + time_left = schedule_timeout(rel_time); + } __set_current_state(TASK_RUNNING); /* @@ -1099,13 +1093,25 @@ static int futex_wait(u32 __user *uaddr, u32 val, unsigned long time) /* If we were woken (and unqueued), we succeeded, whatever. */ if (!unqueue_me(&q)) return 0; - if (time == 0) + if (time_left == 0) return -ETIMEDOUT; + /* * We expect signal_pending(current), but another thread may * have handled it for us already. */ - return -EINTR; + if (time_left == MAX_SCHEDULE_TIMEOUT) + return -ERESTARTSYS; + else { + struct restart_block *restart; + restart = ¤t_thread_info()->restart_block; + restart->fn = futex_wait_restart; + restart->arg0 = (unsigned long)uaddr; + restart->arg1 = (unsigned long)val; + restart->arg2 = (unsigned long)timed; + restart->arg3 = abs_time; + return -ERESTART_RESTARTBLOCK; + } out_unlock_release_sem: queue_unlock(&q, hb); @@ -1115,6 +1121,24 @@ static int futex_wait(u32 __user *uaddr, u32 val, unsigned long time) return ret; } +static int futex_wait(u32 __user *uaddr, u32 val, unsigned long rel_time) +{ + int timed = (rel_time != MAX_SCHEDULE_TIMEOUT); + return futex_wait_abstime(uaddr, val, timed, jiffies+rel_time); +} + +static long futex_wait_restart(struct restart_block *restart) +{ + u32 __user *uaddr = (u32 __user *)restart->arg0; + u32 val = (u32)restart->arg1; + int timed = (int)restart->arg2; + unsigned long abs_time = restart->arg3; + + restart->fn = do_no_restart_syscall; + return (long)futex_wait_abstime(uaddr, val, timed, abs_time); +} + + /* * Userspace tried a 0 -> TID atomic transition of the futex value * and failed. The kernel side here does the whole locking operation: diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 1b3033105b4..c9f4f044a8a 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -669,6 +669,7 @@ hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval) return orun; } +EXPORT_SYMBOL_GPL(hrtimer_forward); /* * enqueue_hrtimer - internal function to (re)start a timer diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index aff1f0fabb0..32e1ab1477d 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -48,7 +48,7 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc) * * Controller mappings for all interrupt sources: */ -struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned = { +struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { [0 ... NR_IRQS-1] = { .status = IRQ_DISABLED, .chip = &no_irq_chip, @@ -180,6 +180,8 @@ fastcall unsigned int __do_IRQ(unsigned int irq) if (desc->chip->ack) desc->chip->ack(irq); action_ret = handle_IRQ_event(irq, desc->action); + if (!noirqdebug) + note_interrupt(irq, desc, action_ret); desc->chip->end(irq); return 1; } diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 5597c157442..203a518b6f1 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -317,10 +317,7 @@ int setup_irq(unsigned int irq, struct irqaction *new) } *p = new; -#if defined(CONFIG_IRQ_PER_CPU) - if (new->flags & IRQF_PERCPU) - desc->status |= IRQ_PER_CPU; -#endif + /* Exclude IRQ from balancing */ if (new->flags & IRQF_NOBALANCING) desc->status |= IRQ_NO_BALANCING; @@ -328,6 +325,11 @@ int setup_irq(unsigned int irq, struct irqaction *new) if (!shared) { irq_chip_set_defaults(desc->chip); +#if defined(CONFIG_IRQ_PER_CPU) + if (new->flags & IRQF_PERCPU) + desc->status |= IRQ_PER_CPU; +#endif + /* Setup the type (level, edge polarity) if configured: */ if (new->flags & IRQF_TRIGGER_MASK) { if (desc->chip && desc->chip->set_type) diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 2db91eb54ad..ddde0ef9ccd 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -66,12 +66,19 @@ static int name_unique(unsigned int irq, struct irqaction *new_action) { struct irq_desc *desc = irq_desc + irq; struct irqaction *action; + unsigned long flags; + int ret = 1; - for (action = desc->action ; action; action = action->next) + spin_lock_irqsave(&desc->lock, flags); + for (action = desc->action ; action; action = action->next) { if ((action != new_action) && action->name && - !strcmp(new_action->name, action->name)) - return 0; - return 1; + !strcmp(new_action->name, action->name)) { + ret = 0; + break; + } + } + spin_unlock_irqrestore(&desc->lock, flags); + return ret; } void register_handler_proc(unsigned int irq, struct irqaction *action) diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index 9d8c79b4882..b0d81aae472 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -146,7 +146,9 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc, if (unlikely(irqfixup)) { /* Don't punish working computers */ - if ((irqfixup == 2 && irq == 0) || action_ret == IRQ_NONE) { + if ((irqfixup == 2 && ((irq == 0) || + (desc->action->flags & IRQF_IRQPOLL))) || + action_ret == IRQ_NONE) { int ok = misrouted_irq(irq); if (action_ret == IRQ_NONE) desc->irqs_unhandled -= ok; diff --git a/kernel/itimer.c b/kernel/itimer.c index 307c6a632ef..3205e8e114f 100644 --- a/kernel/itimer.c +++ b/kernel/itimer.c @@ -7,7 +7,6 @@ /* These are all the functions necessary to implement itimers */ #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/syscalls.h> #include <linux/time.h> @@ -139,59 +138,11 @@ enum hrtimer_restart it_real_fn(struct hrtimer *timer) } /* - * We do not care about correctness. We just sanitize the values so - * the ktime_t operations which expect normalized values do not - * break. This converts negative values to long timeouts similar to - * the code in kernel versions < 2.6.16 - * - * Print a limited number of warning messages when an invalid timeval - * is detected. - */ -static void fixup_timeval(struct timeval *tv, int interval) -{ - static int warnlimit = 10; - unsigned long tmp; - - if (warnlimit > 0) { - warnlimit--; - printk(KERN_WARNING - "setitimer: %s (pid = %d) provided " - "invalid timeval %s: tv_sec = %ld tv_usec = %ld\n", - current->comm, current->pid, - interval ? "it_interval" : "it_value", - tv->tv_sec, (long) tv->tv_usec); - } - - tmp = tv->tv_usec; - if (tmp >= USEC_PER_SEC) { - tv->tv_usec = tmp % USEC_PER_SEC; - tv->tv_sec += tmp / USEC_PER_SEC; - } - - tmp = tv->tv_sec; - if (tmp > LONG_MAX) - tv->tv_sec = LONG_MAX; -} - -/* * Returns true if the timeval is in canonical form */ #define timeval_valid(t) \ (((t)->tv_sec >= 0) && (((unsigned long) (t)->tv_usec) < USEC_PER_SEC)) -/* - * Check for invalid timevals, sanitize them and print a limited - * number of warnings. - */ -static void check_itimerval(struct itimerval *value) { - - if (unlikely(!timeval_valid(&value->it_value))) - fixup_timeval(&value->it_value, 0); - - if (unlikely(!timeval_valid(&value->it_interval))) - fixup_timeval(&value->it_interval, 1); -} - int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue) { struct task_struct *tsk = current; @@ -201,15 +152,10 @@ int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue) /* * Validate the timevals in value. - * - * Note: Although the spec requires that invalid values shall - * return -EINVAL, we just fixup the value and print a limited - * number of warnings in order not to break users of this - * historical misfeature. - * - * Scheduled for replacement in March 2007 */ - check_itimerval(value); + if (!timeval_valid(&value->it_value) || + !timeval_valid(&value->it_interval)) + return -EINVAL; switch (which) { case ITIMER_REAL: diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 5a0de840973..f1bda23140b 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -214,8 +214,10 @@ static unsigned long get_symbol_pos(unsigned long addr, symbol_end = (unsigned long)_etext; } - *symbolsize = symbol_end - symbol_start; - *offset = addr - symbol_start; + if (symbolsize) + *symbolsize = symbol_end - symbol_start; + if (offset) + *offset = addr - symbol_start; return low; } @@ -267,6 +269,42 @@ const char *kallsyms_lookup(unsigned long addr, return NULL; } +int lookup_symbol_name(unsigned long addr, char *symname) +{ + symname[0] = '\0'; + symname[KSYM_NAME_LEN] = '\0'; + + if (is_ksym_addr(addr)) { + unsigned long pos; + + pos = get_symbol_pos(addr, NULL, NULL); + /* Grab name */ + kallsyms_expand_symbol(get_symbol_offset(pos), symname); + return 0; + } + /* see if it's in a module */ + return lookup_module_symbol_name(addr, symname); +} + +int lookup_symbol_attrs(unsigned long addr, unsigned long *size, + unsigned long *offset, char *modname, char *name) +{ + name[0] = '\0'; + name[KSYM_NAME_LEN] = '\0'; + + if (is_ksym_addr(addr)) { + unsigned long pos; + + pos = get_symbol_pos(addr, size, offset); + /* Grab name */ + kallsyms_expand_symbol(get_symbol_offset(pos), name); + modname[0] = '\0'; + return 0; + } + /* see if it's in a module */ + return lookup_module_symbol_attrs(addr, size, offset, modname, name); +} + /* Look up a kernel symbol and return it in a text buffer. */ int sprint_symbol(char *buffer, unsigned long address) { @@ -301,25 +339,20 @@ void __print_symbol(const char *fmt, unsigned long address) struct kallsym_iter { loff_t pos; - struct module *owner; unsigned long value; unsigned int nameoff; /* If iterating in core kernel symbols */ char type; char name[KSYM_NAME_LEN+1]; + char module_name[MODULE_NAME_LEN + 1]; + int exported; }; static int get_ksymbol_mod(struct kallsym_iter *iter) { - iter->owner = module_get_kallsym(iter->pos - kallsyms_num_syms, - &iter->value, &iter->type, - iter->name, sizeof(iter->name)); - if (iter->owner == NULL) + if (module_get_kallsym(iter->pos - kallsyms_num_syms, &iter->value, + &iter->type, iter->name, iter->module_name, + &iter->exported) < 0) return 0; - - /* Label it "global" if it is exported, "local" if not exported. */ - iter->type = is_exported(iter->name, iter->owner) - ? toupper(iter->type) : tolower(iter->type); - return 1; } @@ -328,7 +361,7 @@ static unsigned long get_ksymbol_core(struct kallsym_iter *iter) { unsigned off = iter->nameoff; - iter->owner = NULL; + iter->module_name[0] = '\0'; iter->value = kallsyms_addresses[iter->pos]; iter->type = kallsyms_get_symbol_type(off); @@ -392,12 +425,17 @@ static int s_show(struct seq_file *m, void *p) if (!iter->name[0]) return 0; - if (iter->owner) + if (iter->module_name[0]) { + char type; + + /* Label it "global" if it is exported, + * "local" if not exported. */ + type = iter->exported ? toupper(iter->type) : + tolower(iter->type); seq_printf(m, "%0*lx %c %s\t[%s]\n", (int)(2*sizeof(void*)), - iter->value, iter->type, iter->name, - module_name(iter->owner)); - else + iter->value, type, iter->name, iter->module_name); + } else seq_printf(m, "%0*lx %c %s\n", (int)(2*sizeof(void*)), iter->value, iter->type, iter->name); @@ -432,18 +470,11 @@ static int kallsyms_open(struct inode *inode, struct file *file) return ret; } -static int kallsyms_release(struct inode *inode, struct file *file) -{ - struct seq_file *m = (struct seq_file *)file->private_data; - kfree(m->private); - return seq_release(inode, file); -} - static const struct file_operations kallsyms_operations = { .open = kallsyms_open, .read = seq_read, .llseek = seq_lseek, - .release = kallsyms_release, + .release = seq_release_private, }; static int __init kallsyms_init(void) diff --git a/kernel/kexec.c b/kernel/kexec.c index 2a59c8a01ae..25db14b89e8 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1118,8 +1118,8 @@ void crash_save_cpu(struct pt_regs *regs, int cpu) memset(&prstatus, 0, sizeof(prstatus)); prstatus.pr_pid = current->pid; elf_core_copy_regs(&prstatus.pr_reg, regs); - buf = append_elf_note(buf, "CORE", NT_PRSTATUS, &prstatus, - sizeof(prstatus)); + buf = append_elf_note(buf, KEXEC_CORE_NOTE_NAME, NT_PRSTATUS, + &prstatus, sizeof(prstatus)); final_note(buf); } diff --git a/kernel/kmod.c b/kernel/kmod.c index 796276141e5..49cc4b9c1a8 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -23,7 +23,6 @@ #include <linux/syscalls.h> #include <linux/unistd.h> #include <linux/kmod.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/mnt_namespace.h> #include <linux/completion.h> @@ -166,6 +165,12 @@ static int ____call_usermodehelper(void *data) /* We can run anywhere, unlike our parent keventd(). */ set_cpus_allowed(current, CPU_MASK_ALL); + /* + * Our parent is keventd, which runs with elevated scheduling priority. + * Avoid propagating that into the userspace child. + */ + set_user_nice(current, 0); + retval = -EPERM; if (current->fs->root) retval = kernel_execve(sub_info->path, diff --git a/kernel/kprobes.c b/kernel/kprobes.c index d25a9ada3f8..9e47d8c493f 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -35,16 +35,19 @@ #include <linux/hash.h> #include <linux/init.h> #include <linux/slab.h> +#include <linux/stddef.h> #include <linux/module.h> #include <linux/moduleloader.h> #include <linux/kallsyms.h> #include <linux/freezer.h> #include <linux/seq_file.h> #include <linux/debugfs.h> +#include <linux/kdebug.h> + #include <asm-generic/sections.h> #include <asm/cacheflush.h> #include <asm/errno.h> -#include <asm/kdebug.h> +#include <asm/uaccess.h> #define KPROBE_HASH_BITS 6 #define KPROBE_TABLE_SIZE (1 << KPROBE_HASH_BITS) @@ -63,6 +66,9 @@ static struct hlist_head kprobe_table[KPROBE_TABLE_SIZE]; static struct hlist_head kretprobe_inst_table[KPROBE_TABLE_SIZE]; static atomic_t kprobe_count; +/* NOTE: change this value only with kprobe_mutex held */ +static bool kprobe_enabled; + DEFINE_MUTEX(kprobe_mutex); /* Protects kprobe_table */ DEFINE_SPINLOCK(kretprobe_lock); /* Protects kretprobe_inst_table */ static DEFINE_PER_CPU(struct kprobe *, kprobe_instance) = NULL; @@ -132,9 +138,8 @@ kprobe_opcode_t __kprobes *get_insn_slot(void) struct kprobe_insn_page *kip; struct hlist_node *pos; - retry: - hlist_for_each(pos, &kprobe_insn_pages) { - kip = hlist_entry(pos, struct kprobe_insn_page, hlist); + retry: + hlist_for_each_entry(kip, pos, &kprobe_insn_pages, hlist) { if (kip->nused < INSNS_PER_PAGE) { int i; for (i = 0; i < INSNS_PER_PAGE; i++) { @@ -155,9 +160,8 @@ kprobe_opcode_t __kprobes *get_insn_slot(void) } /* All out of space. Need to allocate a new page. Use slot 0. */ kip = kmalloc(sizeof(struct kprobe_insn_page), GFP_KERNEL); - if (!kip) { + if (!kip) return NULL; - } /* * Use module_alloc so this page is within +/- 2GB of where the @@ -213,9 +217,8 @@ static int __kprobes collect_garbage_slots(void) if (check_safety() != 0) return -EAGAIN; - hlist_for_each_safe(pos, next, &kprobe_insn_pages) { + hlist_for_each_entry_safe(kip, pos, next, &kprobe_insn_pages, hlist) { int i; - kip = hlist_entry(pos, struct kprobe_insn_page, hlist); if (kip->ngarbage == 0) continue; kip->ngarbage = 0; /* we will collect all garbages */ @@ -234,8 +237,7 @@ void __kprobes free_insn_slot(kprobe_opcode_t * slot, int dirty) struct kprobe_insn_page *kip; struct hlist_node *pos; - hlist_for_each(pos, &kprobe_insn_pages) { - kip = hlist_entry(pos, struct kprobe_insn_page, hlist); + hlist_for_each_entry(kip, pos, &kprobe_insn_pages, hlist) { if (kip->insns <= slot && slot < kip->insns + (INSNS_PER_PAGE * MAX_INSN_SIZE)) { int i = (slot - kip->insns) / MAX_INSN_SIZE; @@ -248,9 +250,9 @@ void __kprobes free_insn_slot(kprobe_opcode_t * slot, int dirty) break; } } - if (dirty && (++kprobe_garbage_slots > INSNS_PER_PAGE)) { + + if (dirty && ++kprobe_garbage_slots > INSNS_PER_PAGE) collect_garbage_slots(); - } } #endif @@ -316,7 +318,6 @@ static void __kprobes aggr_post_handler(struct kprobe *p, struct pt_regs *regs, reset_kprobe_instance(); } } - return; } static int __kprobes aggr_fault_handler(struct kprobe *p, struct pt_regs *regs, @@ -362,46 +363,6 @@ void __kprobes kprobes_inc_nmissed_count(struct kprobe *p) } /* Called with kretprobe_lock held */ -struct kretprobe_instance __kprobes *get_free_rp_inst(struct kretprobe *rp) -{ - struct hlist_node *node; - struct kretprobe_instance *ri; - hlist_for_each_entry(ri, node, &rp->free_instances, uflist) - return ri; - return NULL; -} - -/* Called with kretprobe_lock held */ -static struct kretprobe_instance __kprobes *get_used_rp_inst(struct kretprobe - *rp) -{ - struct hlist_node *node; - struct kretprobe_instance *ri; - hlist_for_each_entry(ri, node, &rp->used_instances, uflist) - return ri; - return NULL; -} - -/* Called with kretprobe_lock held */ -void __kprobes add_rp_inst(struct kretprobe_instance *ri) -{ - /* - * Remove rp inst off the free list - - * Add it back when probed function returns - */ - hlist_del(&ri->uflist); - - /* Add rp inst onto table */ - INIT_HLIST_NODE(&ri->hlist); - hlist_add_head(&ri->hlist, - &kretprobe_inst_table[hash_ptr(ri->task, KPROBE_HASH_BITS)]); - - /* Also add this rp inst to the used list. */ - INIT_HLIST_NODE(&ri->uflist); - hlist_add_head(&ri->uflist, &ri->rp->used_instances); -} - -/* Called with kretprobe_lock held */ void __kprobes recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head) { @@ -454,7 +415,9 @@ void __kprobes kprobe_flush_task(struct task_struct *tk) static inline void free_rp_inst(struct kretprobe *rp) { struct kretprobe_instance *ri; - while ((ri = get_free_rp_inst(rp)) != NULL) { + struct hlist_node *pos, *next; + + hlist_for_each_entry_safe(ri, pos, next, &rp->free_instances, uflist) { hlist_del(&ri->uflist); kfree(ri); } @@ -535,8 +498,8 @@ static int __kprobes register_aggr_kprobe(struct kprobe *old_p, static int __kprobes in_kprobes_functions(unsigned long addr) { - if (addr >= (unsigned long)__kprobes_text_start - && addr < (unsigned long)__kprobes_text_end) + if (addr >= (unsigned long)__kprobes_text_start && + addr < (unsigned long)__kprobes_text_end) return -EINVAL; return 0; } @@ -563,19 +526,24 @@ static int __kprobes __register_kprobe(struct kprobe *p, return -EINVAL; p->addr = (kprobe_opcode_t *)(((char *)p->addr)+ p->offset); - if ((!kernel_text_address((unsigned long) p->addr)) || - in_kprobes_functions((unsigned long) p->addr)) + if (!kernel_text_address((unsigned long) p->addr) || + in_kprobes_functions((unsigned long) p->addr)) return -EINVAL; p->mod_refcounted = 0; - /* Check are we probing a module */ - if ((probed_mod = module_text_address((unsigned long) p->addr))) { + + /* + * Check if are we probing a module. + */ + probed_mod = module_text_address((unsigned long) p->addr); + if (probed_mod) { struct module *calling_mod = module_text_address(called_from); - /* We must allow modules to probe themself and - * in this case avoid incrementing the module refcount, - * so as to allow unloading of self probing modules. + /* + * We must allow modules to probe themself and in this case + * avoid incrementing the module refcount, so as to allow + * unloading of self probing modules. */ - if (calling_mod && (calling_mod != probed_mod)) { + if (calling_mod && calling_mod != probed_mod) { if (unlikely(!try_module_get(probed_mod))) return -EINVAL; p->mod_refcounted = 1; @@ -593,19 +561,21 @@ static int __kprobes __register_kprobe(struct kprobe *p, goto out; } - if ((ret = arch_prepare_kprobe(p)) != 0) + ret = arch_prepare_kprobe(p); + if (ret) goto out; INIT_HLIST_NODE(&p->hlist); hlist_add_head_rcu(&p->hlist, &kprobe_table[hash_ptr(p->addr, KPROBE_HASH_BITS)]); - if (atomic_add_return(1, &kprobe_count) == \ + if (kprobe_enabled) { + if (atomic_add_return(1, &kprobe_count) == \ (ARCH_INACTIVE_KPROBE_COUNT + 1)) - register_page_fault_notifier(&kprobe_page_fault_nb); - - arch_arm_kprobe(p); + register_page_fault_notifier(&kprobe_page_fault_nb); + arch_arm_kprobe(p); + } out: mutex_unlock(&kprobe_mutex); @@ -616,8 +586,7 @@ out: int __kprobes register_kprobe(struct kprobe *p) { - return __register_kprobe(p, - (unsigned long)__builtin_return_address(0)); + return __register_kprobe(p, (unsigned long)__builtin_return_address(0)); } void __kprobes unregister_kprobe(struct kprobe *p) @@ -641,11 +610,16 @@ void __kprobes unregister_kprobe(struct kprobe *p) return; } valid_p: - if ((old_p == p) || ((old_p->pre_handler == aggr_pre_handler) && - (p->list.next == &old_p->list) && - (p->list.prev == &old_p->list))) { - /* Only probe on the hash list */ - arch_disarm_kprobe(p); + if (old_p == p || + (old_p->pre_handler == aggr_pre_handler && + p->list.next == &old_p->list && p->list.prev == &old_p->list)) { + /* + * Only probe on the hash list. Disarm only if kprobes are + * enabled - otherwise, the breakpoint would already have + * been removed. We save on flushing icache. + */ + if (kprobe_enabled) + arch_disarm_kprobe(p); hlist_del_rcu(&old_p->hlist); cleanup_p = 1; } else { @@ -656,9 +630,11 @@ valid_p: mutex_unlock(&kprobe_mutex); synchronize_sched(); - if (p->mod_refcounted && - (mod = module_text_address((unsigned long)p->addr))) - module_put(mod); + if (p->mod_refcounted) { + mod = module_text_address((unsigned long)p->addr); + if (mod) + module_put(mod); + } if (cleanup_p) { if (p != old_p) { @@ -729,7 +705,21 @@ static int __kprobes pre_handler_kretprobe(struct kprobe *p, /*TODO: consider to only swap the RA after the last pre_handler fired */ spin_lock_irqsave(&kretprobe_lock, flags); - arch_prepare_kretprobe(rp, regs); + if (!hlist_empty(&rp->free_instances)) { + struct kretprobe_instance *ri; + + ri = hlist_entry(rp->free_instances.first, + struct kretprobe_instance, uflist); + ri->rp = rp; + ri->task = current; + arch_prepare_kretprobe(ri, regs); + + /* XXX(hch): why is there no hlist_move_head? */ + hlist_del(&ri->uflist); + hlist_add_head(&ri->uflist, &ri->rp->used_instances); + hlist_add_head(&ri->hlist, kretprobe_inst_table_head(ri->task)); + } else + rp->nmissed++; spin_unlock_irqrestore(&kretprobe_lock, flags); return 0; } @@ -792,11 +782,13 @@ void __kprobes unregister_kretprobe(struct kretprobe *rp) { unsigned long flags; struct kretprobe_instance *ri; + struct hlist_node *pos, *next; unregister_kprobe(&rp->kp); + /* No race here */ spin_lock_irqsave(&kretprobe_lock, flags); - while ((ri = get_used_rp_inst(rp)) != NULL) { + hlist_for_each_entry_safe(ri, pos, next, &rp->used_instances, uflist) { ri->rp = NULL; hlist_del(&ri->uflist); } @@ -816,6 +808,9 @@ static int __init init_kprobes(void) } atomic_set(&kprobe_count, 0); + /* By default, kprobes are enabled */ + kprobe_enabled = true; + err = arch_init_kprobes(); if (!err) err = register_die_notifier(&kprobe_exceptions_nb); @@ -825,7 +820,7 @@ static int __init init_kprobes(void) #ifdef CONFIG_DEBUG_FS static void __kprobes report_probe(struct seq_file *pi, struct kprobe *p, - const char *sym, int offset,char *modname) + const char *sym, int offset,char *modname) { char *kprobe_type; @@ -867,13 +862,13 @@ static int __kprobes show_kprobe_addr(struct seq_file *pi, void *v) struct kprobe *p, *kp; const char *sym = NULL; unsigned int i = *(loff_t *) v; - unsigned long size, offset = 0; + unsigned long offset = 0; char *modname, namebuf[128]; head = &kprobe_table[i]; preempt_disable(); hlist_for_each_entry_rcu(p, node, head, hlist) { - sym = kallsyms_lookup((unsigned long)p->addr, &size, + sym = kallsyms_lookup((unsigned long)p->addr, NULL, &offset, &modname, namebuf); if (p->pre_handler == aggr_pre_handler) { list_for_each_entry_rcu(kp, &p->list, list) @@ -904,21 +899,149 @@ static struct file_operations debugfs_kprobes_operations = { .release = seq_release, }; +static void __kprobes enable_all_kprobes(void) +{ + struct hlist_head *head; + struct hlist_node *node; + struct kprobe *p; + unsigned int i; + + mutex_lock(&kprobe_mutex); + + /* If kprobes are already enabled, just return */ + if (kprobe_enabled) + goto already_enabled; + + /* + * Re-register the page fault notifier only if there are any + * active probes at the time of enabling kprobes globally + */ + if (atomic_read(&kprobe_count) > ARCH_INACTIVE_KPROBE_COUNT) + register_page_fault_notifier(&kprobe_page_fault_nb); + + for (i = 0; i < KPROBE_TABLE_SIZE; i++) { + head = &kprobe_table[i]; + hlist_for_each_entry_rcu(p, node, head, hlist) + arch_arm_kprobe(p); + } + + kprobe_enabled = true; + printk(KERN_INFO "Kprobes globally enabled\n"); + +already_enabled: + mutex_unlock(&kprobe_mutex); + return; +} + +static void __kprobes disable_all_kprobes(void) +{ + struct hlist_head *head; + struct hlist_node *node; + struct kprobe *p; + unsigned int i; + + mutex_lock(&kprobe_mutex); + + /* If kprobes are already disabled, just return */ + if (!kprobe_enabled) + goto already_disabled; + + kprobe_enabled = false; + printk(KERN_INFO "Kprobes globally disabled\n"); + for (i = 0; i < KPROBE_TABLE_SIZE; i++) { + head = &kprobe_table[i]; + hlist_for_each_entry_rcu(p, node, head, hlist) { + if (!arch_trampoline_kprobe(p)) + arch_disarm_kprobe(p); + } + } + + mutex_unlock(&kprobe_mutex); + /* Allow all currently running kprobes to complete */ + synchronize_sched(); + + mutex_lock(&kprobe_mutex); + /* Unconditionally unregister the page_fault notifier */ + unregister_page_fault_notifier(&kprobe_page_fault_nb); + +already_disabled: + mutex_unlock(&kprobe_mutex); + return; +} + +/* + * XXX: The debugfs bool file interface doesn't allow for callbacks + * when the bool state is switched. We can reuse that facility when + * available + */ +static ssize_t read_enabled_file_bool(struct file *file, + char __user *user_buf, size_t count, loff_t *ppos) +{ + char buf[3]; + + if (kprobe_enabled) + buf[0] = '1'; + else + buf[0] = '0'; + buf[1] = '\n'; + buf[2] = 0x00; + return simple_read_from_buffer(user_buf, count, ppos, buf, 2); +} + +static ssize_t write_enabled_file_bool(struct file *file, + const char __user *user_buf, size_t count, loff_t *ppos) +{ + char buf[32]; + int buf_size; + + buf_size = min(count, (sizeof(buf)-1)); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + switch (buf[0]) { + case 'y': + case 'Y': + case '1': + enable_all_kprobes(); + break; + case 'n': + case 'N': + case '0': + disable_all_kprobes(); + break; + } + + return count; +} + +static struct file_operations fops_kp = { + .read = read_enabled_file_bool, + .write = write_enabled_file_bool, +}; + static int __kprobes debugfs_kprobe_init(void) { struct dentry *dir, *file; + unsigned int value = 1; dir = debugfs_create_dir("kprobes", NULL); if (!dir) return -ENOMEM; - file = debugfs_create_file("list", 0444, dir , 0 , + file = debugfs_create_file("list", 0444, dir, NULL, &debugfs_kprobes_operations); if (!file) { debugfs_remove(dir); return -ENOMEM; } + file = debugfs_create_file("enabled", 0600, dir, + &value, &fops_kp); + if (!file) { + debugfs_remove(dir); + return -ENOMEM; + } + return 0; } diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 7065a687ac5..1a5ff2211d8 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -257,9 +257,8 @@ static int save_trace(struct stack_trace *trace) trace->entries = stack_trace + nr_stack_trace_entries; trace->skip = 3; - trace->all_contexts = 0; - save_stack_trace(trace, NULL); + save_stack_trace(trace); trace->max_entries = trace->nr_entries; @@ -341,10 +340,7 @@ static const char *usage_str[] = const char * __get_key_name(struct lockdep_subclass_key *key, char *str) { - unsigned long offs, size; - char *modname; - - return kallsyms_lookup((unsigned long)key, &size, &offs, &modname, str); + return kallsyms_lookup((unsigned long)key, NULL, NULL, NULL, str); } void @@ -1313,8 +1309,9 @@ out_unlock_set: /* * Look up a dependency chain. If the key is not present yet then - * add it and return 0 - in this case the new dependency chain is - * validated. If the key is already hashed, return 1. + * add it and return 1 - in this case the new dependency chain is + * validated. If the key is already hashed, return 0. + * (On return with 1 graph_lock is held.) */ static inline int lookup_chain_cache(u64 chain_key, struct lock_class *class) { @@ -1577,7 +1574,7 @@ valid_state(struct task_struct *curr, struct held_lock *this, * Mark a lock with a usage bit, and validate the state transition: */ static int mark_lock(struct task_struct *curr, struct held_lock *this, - enum lock_usage_bit new_bit, unsigned long ip) + enum lock_usage_bit new_bit) { unsigned int new_mask = 1 << new_bit, ret = 1; @@ -1600,14 +1597,6 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this, this->class->usage_mask |= new_mask; -#ifdef CONFIG_TRACE_IRQFLAGS - if (new_bit == LOCK_ENABLED_HARDIRQS || - new_bit == LOCK_ENABLED_HARDIRQS_READ) - ip = curr->hardirq_enable_ip; - else if (new_bit == LOCK_ENABLED_SOFTIRQS || - new_bit == LOCK_ENABLED_SOFTIRQS_READ) - ip = curr->softirq_enable_ip; -#endif if (!save_trace(this->class->usage_traces + new_bit)) return 0; @@ -1806,7 +1795,7 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this, * Mark all held locks with a usage bit: */ static int -mark_held_locks(struct task_struct *curr, int hardirq, unsigned long ip) +mark_held_locks(struct task_struct *curr, int hardirq) { enum lock_usage_bit usage_bit; struct held_lock *hlock; @@ -1826,7 +1815,7 @@ mark_held_locks(struct task_struct *curr, int hardirq, unsigned long ip) else usage_bit = LOCK_ENABLED_SOFTIRQS; } - if (!mark_lock(curr, hlock, usage_bit, ip)) + if (!mark_lock(curr, hlock, usage_bit)) return 0; } @@ -1879,7 +1868,7 @@ void trace_hardirqs_on(void) * We are going to turn hardirqs on, so set the * usage bit for all held locks: */ - if (!mark_held_locks(curr, 1, ip)) + if (!mark_held_locks(curr, 1)) return; /* * If we have softirqs enabled, then set the usage @@ -1887,7 +1876,7 @@ void trace_hardirqs_on(void) * this bit from being set before) */ if (curr->softirqs_enabled) - if (!mark_held_locks(curr, 0, ip)) + if (!mark_held_locks(curr, 0)) return; curr->hardirq_enable_ip = ip; @@ -1955,7 +1944,7 @@ void trace_softirqs_on(unsigned long ip) * enabled too: */ if (curr->hardirqs_enabled) - mark_held_locks(curr, 0, ip); + mark_held_locks(curr, 0); } /* @@ -2093,43 +2082,43 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass, if (read) { if (curr->hardirq_context) if (!mark_lock(curr, hlock, - LOCK_USED_IN_HARDIRQ_READ, ip)) + LOCK_USED_IN_HARDIRQ_READ)) return 0; if (curr->softirq_context) if (!mark_lock(curr, hlock, - LOCK_USED_IN_SOFTIRQ_READ, ip)) + LOCK_USED_IN_SOFTIRQ_READ)) return 0; } else { if (curr->hardirq_context) - if (!mark_lock(curr, hlock, LOCK_USED_IN_HARDIRQ, ip)) + if (!mark_lock(curr, hlock, LOCK_USED_IN_HARDIRQ)) return 0; if (curr->softirq_context) - if (!mark_lock(curr, hlock, LOCK_USED_IN_SOFTIRQ, ip)) + if (!mark_lock(curr, hlock, LOCK_USED_IN_SOFTIRQ)) return 0; } } if (!hardirqs_off) { if (read) { if (!mark_lock(curr, hlock, - LOCK_ENABLED_HARDIRQS_READ, ip)) + LOCK_ENABLED_HARDIRQS_READ)) return 0; if (curr->softirqs_enabled) if (!mark_lock(curr, hlock, - LOCK_ENABLED_SOFTIRQS_READ, ip)) + LOCK_ENABLED_SOFTIRQS_READ)) return 0; } else { if (!mark_lock(curr, hlock, - LOCK_ENABLED_HARDIRQS, ip)) + LOCK_ENABLED_HARDIRQS)) return 0; if (curr->softirqs_enabled) if (!mark_lock(curr, hlock, - LOCK_ENABLED_SOFTIRQS, ip)) + LOCK_ENABLED_SOFTIRQS)) return 0; } } #endif /* mark it as used: */ - if (!mark_lock(curr, hlock, LOCK_USED, ip)) + if (!mark_lock(curr, hlock, LOCK_USED)) return 0; out_calc_hash: /* diff --git a/kernel/module.c b/kernel/module.c index 1eb8ca565ba..d36e45477fa 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/moduleloader.h> #include <linux/init.h> +#include <linux/kallsyms.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/vmalloc.h> @@ -310,14 +311,14 @@ static int split_block(unsigned int i, unsigned short size) { /* Reallocation required? */ if (pcpu_num_used + 1 > pcpu_num_allocated) { - int *new = kmalloc(sizeof(new[0]) * pcpu_num_allocated*2, - GFP_KERNEL); + int *new; + + new = krealloc(pcpu_size, sizeof(new[0])*pcpu_num_allocated*2, + GFP_KERNEL); if (!new) return 0; - memcpy(new, pcpu_size, sizeof(new[0])*pcpu_num_allocated); pcpu_num_allocated *= 2; - kfree(pcpu_size); pcpu_size = new; } @@ -1471,7 +1472,7 @@ static void setup_modinfo(struct module *mod, Elf_Shdr *sechdrs, } #ifdef CONFIG_KALLSYMS -int is_exported(const char *name, const struct module *mod) +static int is_exported(const char *name, const struct module *mod) { if (!mod && lookup_symbol(name, __start___ksymtab, __stop___ksymtab)) return 1; @@ -2097,8 +2098,10 @@ static const char *get_ksymbol(struct module *mod, if (!best) return NULL; - *size = nextval - mod->symtab[best].st_value; - *offset = addr - mod->symtab[best].st_value; + if (size) + *size = nextval - mod->symtab[best].st_value; + if (offset) + *offset = addr - mod->symtab[best].st_value; return mod->strtab + mod->symtab[best].st_name; } @@ -2123,8 +2126,58 @@ const char *module_address_lookup(unsigned long addr, return NULL; } -struct module *module_get_kallsym(unsigned int symnum, unsigned long *value, - char *type, char *name, size_t namelen) +int lookup_module_symbol_name(unsigned long addr, char *symname) +{ + struct module *mod; + + mutex_lock(&module_mutex); + list_for_each_entry(mod, &modules, list) { + if (within(addr, mod->module_init, mod->init_size) || + within(addr, mod->module_core, mod->core_size)) { + const char *sym; + + sym = get_ksymbol(mod, addr, NULL, NULL); + if (!sym) + goto out; + strlcpy(symname, sym, KSYM_NAME_LEN + 1); + mutex_unlock(&module_mutex); + return 0; + } + } +out: + mutex_unlock(&module_mutex); + return -ERANGE; +} + +int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, + unsigned long *offset, char *modname, char *name) +{ + struct module *mod; + + mutex_lock(&module_mutex); + list_for_each_entry(mod, &modules, list) { + if (within(addr, mod->module_init, mod->init_size) || + within(addr, mod->module_core, mod->core_size)) { + const char *sym; + + sym = get_ksymbol(mod, addr, size, offset); + if (!sym) + goto out; + if (modname) + strlcpy(modname, mod->name, MODULE_NAME_LEN + 1); + if (name) + strlcpy(name, sym, KSYM_NAME_LEN + 1); + mutex_unlock(&module_mutex); + return 0; + } + } +out: + mutex_unlock(&module_mutex); + return -ERANGE; +} + +int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, + char *name, char *module_name, int *exported) { struct module *mod; @@ -2134,14 +2187,16 @@ struct module *module_get_kallsym(unsigned int symnum, unsigned long *value, *value = mod->symtab[symnum].st_value; *type = mod->symtab[symnum].st_info; strlcpy(name, mod->strtab + mod->symtab[symnum].st_name, - namelen); + KSYM_NAME_LEN + 1); + strlcpy(module_name, mod->name, MODULE_NAME_LEN + 1); + *exported = is_exported(name, mod); mutex_unlock(&module_mutex); - return mod; + return 0; } symnum -= mod->num_symtab; } mutex_unlock(&module_mutex); - return NULL; + return -ERANGE; } static unsigned long mod_find_symname(struct module *mod, const char *name) diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c index f5b9ee6f6bb..1bc4b55241a 100644 --- a/kernel/nsproxy.c +++ b/kernel/nsproxy.c @@ -38,10 +38,8 @@ void get_task_namespaces(struct task_struct *tsk) /* * creates a copy of "orig" with refcount 1. - * This does not grab references to the contained namespaces, - * so that needs to be done by dup_namespaces. */ -static inline struct nsproxy *clone_namespaces(struct nsproxy *orig) +static inline struct nsproxy *clone_nsproxy(struct nsproxy *orig) { struct nsproxy *ns; @@ -52,26 +50,49 @@ static inline struct nsproxy *clone_namespaces(struct nsproxy *orig) } /* - * copies the nsproxy, setting refcount to 1, and grabbing a - * reference to all contained namespaces. Called from - * sys_unshare() + * Create new nsproxy and all of its the associated namespaces. + * Return the newly created nsproxy. Do not attach this to the task, + * leave it to the caller to do proper locking and attach it to task. */ -struct nsproxy *dup_namespaces(struct nsproxy *orig) +static struct nsproxy *create_new_namespaces(int flags, struct task_struct *tsk, + struct fs_struct *new_fs) { - struct nsproxy *ns = clone_namespaces(orig); + struct nsproxy *new_nsp; - if (ns) { - if (ns->mnt_ns) - get_mnt_ns(ns->mnt_ns); - if (ns->uts_ns) - get_uts_ns(ns->uts_ns); - if (ns->ipc_ns) - get_ipc_ns(ns->ipc_ns); - if (ns->pid_ns) - get_pid_ns(ns->pid_ns); - } + new_nsp = clone_nsproxy(tsk->nsproxy); + if (!new_nsp) + return ERR_PTR(-ENOMEM); - return ns; + new_nsp->mnt_ns = copy_mnt_ns(flags, tsk->nsproxy->mnt_ns, new_fs); + if (IS_ERR(new_nsp->mnt_ns)) + goto out_ns; + + new_nsp->uts_ns = copy_utsname(flags, tsk->nsproxy->uts_ns); + if (IS_ERR(new_nsp->uts_ns)) + goto out_uts; + + new_nsp->ipc_ns = copy_ipcs(flags, tsk->nsproxy->ipc_ns); + if (IS_ERR(new_nsp->ipc_ns)) + goto out_ipc; + + new_nsp->pid_ns = copy_pid_ns(flags, tsk->nsproxy->pid_ns); + if (IS_ERR(new_nsp->pid_ns)) + goto out_pid; + + return new_nsp; + +out_pid: + if (new_nsp->ipc_ns) + put_ipc_ns(new_nsp->ipc_ns); +out_ipc: + if (new_nsp->uts_ns) + put_uts_ns(new_nsp->uts_ns); +out_uts: + if (new_nsp->mnt_ns) + put_mnt_ns(new_nsp->mnt_ns); +out_ns: + kfree(new_nsp); + return ERR_PTR(-ENOMEM); } /* @@ -92,47 +113,21 @@ int copy_namespaces(int flags, struct task_struct *tsk) if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC))) return 0; - new_ns = clone_namespaces(old_ns); - if (!new_ns) { - err = -ENOMEM; + if (!capable(CAP_SYS_ADMIN)) { + err = -EPERM; goto out; } - tsk->nsproxy = new_ns; - - err = copy_mnt_ns(flags, tsk); - if (err) - goto out_ns; - - err = copy_utsname(flags, tsk); - if (err) - goto out_uts; - - err = copy_ipcs(flags, tsk); - if (err) - goto out_ipc; - - err = copy_pid_ns(flags, tsk); - if (err) - goto out_pid; + new_ns = create_new_namespaces(flags, tsk, tsk->fs); + if (IS_ERR(new_ns)) { + err = PTR_ERR(new_ns); + goto out; + } + tsk->nsproxy = new_ns; out: put_nsproxy(old_ns); return err; - -out_pid: - if (new_ns->ipc_ns) - put_ipc_ns(new_ns->ipc_ns); -out_ipc: - if (new_ns->uts_ns) - put_uts_ns(new_ns->uts_ns); -out_uts: - if (new_ns->mnt_ns) - put_mnt_ns(new_ns->mnt_ns); -out_ns: - tsk->nsproxy = old_ns; - kfree(new_ns); - goto out; } void free_nsproxy(struct nsproxy *ns) @@ -147,3 +142,41 @@ void free_nsproxy(struct nsproxy *ns) put_pid_ns(ns->pid_ns); kfree(ns); } + +/* + * Called from unshare. Unshare all the namespaces part of nsproxy. + * On sucess, returns the new nsproxy and a reference to old nsproxy + * to make sure it stays around. + */ +int unshare_nsproxy_namespaces(unsigned long unshare_flags, + struct nsproxy **new_nsp, struct fs_struct *new_fs) +{ + struct nsproxy *old_ns = current->nsproxy; + int err = 0; + + if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC))) + return 0; + +#ifndef CONFIG_IPC_NS + if (unshare_flags & CLONE_NEWIPC) + return -EINVAL; +#endif + +#ifndef CONFIG_UTS_NS + if (unshare_flags & CLONE_NEWUTS) + return -EINVAL; +#endif + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + get_nsproxy(old_ns); + + *new_nsp = create_new_namespaces(unshare_flags, current, + new_fs ? new_fs : current->fs); + if (IS_ERR(*new_nsp)) { + err = PTR_ERR(*new_nsp); + put_nsproxy(old_ns); + } + return err; +} diff --git a/kernel/params.c b/kernel/params.c index 312172320b4..e61c46c97ce 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -269,7 +269,7 @@ int param_get_invbool(char *buffer, struct kernel_param *kp) return param_get_bool(buffer, &dummy); } -/* We cheat here and temporarily mangle the string. */ +/* We break the rule and mangle the string. */ static int param_array(const char *name, const char *val, unsigned int min, unsigned int max, diff --git a/kernel/pid.c b/kernel/pid.c index 9c80bc23d6b..d3ad724afa8 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -360,16 +360,11 @@ struct pid *find_ge_pid(int nr) } EXPORT_SYMBOL_GPL(find_get_pid); -int copy_pid_ns(int flags, struct task_struct *tsk) +struct pid_namespace *copy_pid_ns(int flags, struct pid_namespace *old_ns) { - struct pid_namespace *old_ns = tsk->nsproxy->pid_ns; - int err = 0; - - if (!old_ns) - return 0; - + BUG_ON(!old_ns); get_pid_ns(old_ns); - return err; + return old_ns; } void free_pid_ns(struct kref *kref) diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index 657f7769741..1de710e1837 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -971,7 +971,7 @@ static void check_thread_timers(struct task_struct *tsk, maxfire = 20; tsk->it_prof_expires = cputime_zero; while (!list_empty(timers)) { - struct cpu_timer_list *t = list_entry(timers->next, + struct cpu_timer_list *t = list_first_entry(timers, struct cpu_timer_list, entry); if (!--maxfire || cputime_lt(prof_ticks(tsk), t->expires.cpu)) { @@ -986,7 +986,7 @@ static void check_thread_timers(struct task_struct *tsk, maxfire = 20; tsk->it_virt_expires = cputime_zero; while (!list_empty(timers)) { - struct cpu_timer_list *t = list_entry(timers->next, + struct cpu_timer_list *t = list_first_entry(timers, struct cpu_timer_list, entry); if (!--maxfire || cputime_lt(virt_ticks(tsk), t->expires.cpu)) { @@ -1001,7 +1001,7 @@ static void check_thread_timers(struct task_struct *tsk, maxfire = 20; tsk->it_sched_expires = 0; while (!list_empty(timers)) { - struct cpu_timer_list *t = list_entry(timers->next, + struct cpu_timer_list *t = list_first_entry(timers, struct cpu_timer_list, entry); if (!--maxfire || tsk->sched_time < t->expires.sched) { @@ -1057,7 +1057,7 @@ static void check_process_timers(struct task_struct *tsk, maxfire = 20; prof_expires = cputime_zero; while (!list_empty(timers)) { - struct cpu_timer_list *t = list_entry(timers->next, + struct cpu_timer_list *t = list_first_entry(timers, struct cpu_timer_list, entry); if (!--maxfire || cputime_lt(ptime, t->expires.cpu)) { @@ -1072,7 +1072,7 @@ static void check_process_timers(struct task_struct *tsk, maxfire = 20; virt_expires = cputime_zero; while (!list_empty(timers)) { - struct cpu_timer_list *t = list_entry(timers->next, + struct cpu_timer_list *t = list_first_entry(timers, struct cpu_timer_list, entry); if (!--maxfire || cputime_lt(utime, t->expires.cpu)) { @@ -1087,7 +1087,7 @@ static void check_process_timers(struct task_struct *tsk, maxfire = 20; sched_expires = 0; while (!list_empty(timers)) { - struct cpu_timer_list *t = list_entry(timers->next, + struct cpu_timer_list *t = list_first_entry(timers, struct cpu_timer_list, entry); if (!--maxfire || sched_time < t->expires.sched) { @@ -1400,7 +1400,7 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx, */ head = &tsk->signal->cpu_timers[clock_idx]; if (list_empty(head) || - cputime_ge(list_entry(head->next, + cputime_ge(list_first_entry(head, struct cpu_timer_list, entry)->expires.cpu, *newval)) { /* diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 44318ca7197..588c99da030 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -31,7 +31,6 @@ * POSIX clocks & timers */ #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/time.h> diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index 877721708fa..495b7d4dd33 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -79,7 +79,7 @@ config PM_SYSFS_DEPRECATED config SOFTWARE_SUSPEND bool "Software Suspend (Hibernation)" - depends on PM && SWAP && ((X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)) + depends on PM && SWAP && (((X86 || PPC64_SWSUSP) && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)) ---help--- Enable the suspend to disk (STD) functionality, which is usually called "hibernation" in user interfaces. STD checkpoints the @@ -139,7 +139,7 @@ config PM_STD_PARTITION config SUSPEND_SMP bool - depends on HOTPLUG_CPU && X86 && PM + depends on HOTPLUG_CPU && (X86 || PPC64) && PM default y config APM_EMULATION diff --git a/kernel/power/process.c b/kernel/power/process.c index 0eb5c420e8e..08841938738 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -8,7 +8,6 @@ #undef DEBUG -#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/suspend.h> #include <linux/module.h> @@ -25,10 +24,9 @@ static inline int freezeable(struct task_struct * p) { - if ((p == current) || + if ((p == current) || (p->flags & PF_NOFREEZE) || - (p->exit_state == EXIT_ZOMBIE) || - (p->exit_state == EXIT_DEAD)) + (p->exit_state != 0)) return 0; return 1; } diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 128da11f01c..b7039772b05 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -14,7 +14,6 @@ #include <linux/module.h> #include <linux/mm.h> #include <linux/suspend.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/bitops.h> #include <linux/spinlock.h> diff --git a/kernel/power/swap.c b/kernel/power/swap.c index e83ed9945a8..b8b235cc19d 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -12,7 +12,6 @@ */ #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/file.h> #include <linux/utsname.h> #include <linux/version.h> diff --git a/kernel/printk.c b/kernel/printk.c index 4b47e59248d..0bbdeac2810 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -20,7 +20,6 @@ #include <linux/mm.h> #include <linux/tty.h> #include <linux/tty_driver.h> -#include <linux/smp_lock.h> #include <linux/console.h> #include <linux/init.h> #include <linux/module.h> @@ -931,8 +930,16 @@ void register_console(struct console *console) { int i; unsigned long flags; + struct console *bootconsole = NULL; - if (preferred_console < 0) + if (console_drivers) { + if (console->flags & CON_BOOT) + return; + if (console_drivers->flags & CON_BOOT) + bootconsole = console_drivers; + } + + if (preferred_console < 0 || bootconsole || !console_drivers) preferred_console = selected_console; /* @@ -978,8 +985,11 @@ void register_console(struct console *console) if (!(console->flags & CON_ENABLED)) return; - if (console_drivers && (console_drivers->flags & CON_BOOT)) { - unregister_console(console_drivers); + if (bootconsole) { + printk(KERN_INFO "console handover: boot [%s%d] -> real [%s%d]\n", + bootconsole->name, bootconsole->index, + console->name, console->index); + unregister_console(bootconsole); console->flags &= ~CON_PRINTBUFFER; } @@ -1030,16 +1040,11 @@ int unregister_console(struct console *console) } } - /* If last console is removed, we re-enable picking the first - * one that gets registered. Without that, pmac early boot console - * would prevent fbcon from taking over. - * + /* * If this isn't the last console and it has CON_CONSDEV set, we * need to set it on the next preferred console. */ - if (console_drivers == NULL) - preferred_console = selected_console; - else if (console->flags & CON_CONSDEV) + if (console_drivers != NULL && console->flags & CON_CONSDEV) console_drivers->flags |= CON_CONSDEV; release_console_sem(); diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c index bcd14e83ef3..55ba82a85a6 100644 --- a/kernel/rcutorture.c +++ b/kernel/rcutorture.c @@ -502,10 +502,6 @@ static struct rcu_torture_ops sched_ops = { .name = "sched" }; -static struct rcu_torture_ops *torture_ops[] = - { &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &rcu_bh_sync_ops, &srcu_ops, - &sched_ops, NULL }; - /* * RCU torture writer kthread. Repeatedly substitutes a new structure * for that pointed to by rcu_torture_current, freeing the old structure @@ -534,7 +530,7 @@ rcu_torture_writer(void *arg) rp->rtort_mbtest = 1; rcu_assign_pointer(rcu_torture_current, rp); smp_wmb(); - if (old_rp != NULL) { + if (old_rp) { i = old_rp->rtort_pipe_count; if (i > RCU_TORTURE_PIPE_LEN) i = RCU_TORTURE_PIPE_LEN; @@ -685,7 +681,7 @@ rcu_torture_printk(char *page) atomic_read(&rcu_torture_wcount[i])); } cnt += sprintf(&page[cnt], "\n"); - if (cur_ops->stats != NULL) + if (cur_ops->stats) cnt += cur_ops->stats(&page[cnt]); return cnt; } @@ -749,13 +745,13 @@ static void rcu_torture_shuffle_tasks(void) set_cpus_allowed(current, tmp_mask); - if (reader_tasks != NULL) { + if (reader_tasks) { for (i = 0; i < nrealreaders; i++) if (reader_tasks[i]) set_cpus_allowed(reader_tasks[i], tmp_mask); } - if (fakewriter_tasks != NULL) { + if (fakewriter_tasks) { for (i = 0; i < nfakewriters; i++) if (fakewriter_tasks[i]) set_cpus_allowed(fakewriter_tasks[i], tmp_mask); @@ -808,21 +804,21 @@ rcu_torture_cleanup(void) int i; fullstop = 1; - if (shuffler_task != NULL) { + if (shuffler_task) { VERBOSE_PRINTK_STRING("Stopping rcu_torture_shuffle task"); kthread_stop(shuffler_task); } shuffler_task = NULL; - if (writer_task != NULL) { + if (writer_task) { VERBOSE_PRINTK_STRING("Stopping rcu_torture_writer task"); kthread_stop(writer_task); } writer_task = NULL; - if (reader_tasks != NULL) { + if (reader_tasks) { for (i = 0; i < nrealreaders; i++) { - if (reader_tasks[i] != NULL) { + if (reader_tasks[i]) { VERBOSE_PRINTK_STRING( "Stopping rcu_torture_reader task"); kthread_stop(reader_tasks[i]); @@ -834,9 +830,9 @@ rcu_torture_cleanup(void) } rcu_torture_current = NULL; - if (fakewriter_tasks != NULL) { + if (fakewriter_tasks) { for (i = 0; i < nfakewriters; i++) { - if (fakewriter_tasks[i] != NULL) { + if (fakewriter_tasks[i]) { VERBOSE_PRINTK_STRING( "Stopping rcu_torture_fakewriter task"); kthread_stop(fakewriter_tasks[i]); @@ -847,7 +843,7 @@ rcu_torture_cleanup(void) fakewriter_tasks = NULL; } - if (stats_task != NULL) { + if (stats_task) { VERBOSE_PRINTK_STRING("Stopping rcu_torture_stats task"); kthread_stop(stats_task); } @@ -858,7 +854,7 @@ rcu_torture_cleanup(void) rcu_torture_stats_print(); /* -After- the stats thread is stopped! */ - if (cur_ops->cleanup != NULL) + if (cur_ops->cleanup) cur_ops->cleanup(); if (atomic_read(&n_rcu_torture_error)) rcu_torture_print_module_parms("End of test: FAILURE"); @@ -866,27 +862,28 @@ rcu_torture_cleanup(void) rcu_torture_print_module_parms("End of test: SUCCESS"); } -static int +static int __init rcu_torture_init(void) { int i; int cpu; int firsterr = 0; + static struct rcu_torture_ops *torture_ops[] = + { &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &rcu_bh_sync_ops, + &srcu_ops, &sched_ops, }; /* Process args and tell the world that the torturer is on the job. */ - - for (i = 0; cur_ops = torture_ops[i], cur_ops != NULL; i++) { + for (i = 0; i < ARRAY_SIZE(torture_ops); i++) { cur_ops = torture_ops[i]; - if (strcmp(torture_type, cur_ops->name) == 0) { + if (strcmp(torture_type, cur_ops->name) == 0) break; - } } - if (cur_ops == NULL) { + if (i == ARRAY_SIZE(torture_ops)) { printk(KERN_ALERT "rcutorture: invalid torture type: \"%s\"\n", torture_type); return (-EINVAL); } - if (cur_ops->init != NULL) + if (cur_ops->init) cur_ops->init(); /* no "goto unwind" prior to this point!!! */ if (nreaders >= 0) @@ -899,7 +896,7 @@ rcu_torture_init(void) /* Set up the freelist. */ INIT_LIST_HEAD(&rcu_torture_freelist); - for (i = 0; i < sizeof(rcu_tortures) / sizeof(rcu_tortures[0]); i++) { + for (i = 0; i < ARRAY_SIZE(rcu_tortures); i++) { rcu_tortures[i].rtort_mbtest = 0; list_add_tail(&rcu_tortures[i].rtort_free, &rcu_torture_freelist); diff --git a/kernel/rwsem.c b/kernel/rwsem.c index 291ded556aa..9a87886b022 100644 --- a/kernel/rwsem.c +++ b/kernel/rwsem.c @@ -60,7 +60,7 @@ int down_write_trylock(struct rw_semaphore *sem) int ret = __down_write_trylock(sem); if (ret == 1) - rwsem_acquire(&sem->dep_map, 0, 0, _RET_IP_); + rwsem_acquire(&sem->dep_map, 0, 1, _RET_IP_); return ret; } diff --git a/kernel/sched.c b/kernel/sched.c index 0227f1625a7..a3a04085e79 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -52,8 +52,9 @@ #include <linux/tsacct_kern.h> #include <linux/kprobes.h> #include <linux/delayacct.h> -#include <asm/tlb.h> +#include <linux/reciprocal_div.h> +#include <asm/tlb.h> #include <asm/unistd.h> /* @@ -168,7 +169,7 @@ unsigned long long __attribute__((weak)) sched_clock(void) (MAX_BONUS / 2 + DELTA((p)) + 1) / MAX_BONUS - 1)) #define TASK_PREEMPTS_CURR(p, rq) \ - ((p)->prio < (rq)->curr->prio) + (((p)->prio < (rq)->curr->prio) && ((p)->array == (rq)->active)) #define SCALE_PRIO(x, prio) \ max(x * (MAX_PRIO - prio) / (MAX_USER_PRIO / 2), MIN_TIMESLICE) @@ -181,6 +182,27 @@ static unsigned int static_prio_timeslice(int static_prio) return SCALE_PRIO(DEF_TIMESLICE, static_prio); } +#ifdef CONFIG_SMP +/* + * Divide a load by a sched group cpu_power : (load / sg->__cpu_power) + * Since cpu_power is a 'constant', we can use a reciprocal divide. + */ +static inline u32 sg_div_cpu_power(const struct sched_group *sg, u32 load) +{ + return reciprocal_divide(load, sg->reciprocal_cpu_power); +} + +/* + * Each time a sched group cpu_power is changed, + * we must compute its reciprocal value + */ +static inline void sg_inc_cpu_power(struct sched_group *sg, u32 val) +{ + sg->__cpu_power += val; + sg->reciprocal_cpu_power = reciprocal_value(sg->__cpu_power); +} +#endif + /* * task_timeslice() scales user-nice values [ -20 ... 0 ... 19 ] * to time slice values: [800ms ... 100ms ... 5ms] @@ -223,6 +245,10 @@ struct rq { unsigned long raw_weighted_load; #ifdef CONFIG_SMP unsigned long cpu_load[3]; + unsigned char idle_at_tick; +#ifdef CONFIG_NO_HZ + unsigned char in_nohz_recently; +#endif #endif unsigned long long nr_switches; @@ -278,7 +304,7 @@ struct rq { struct lock_class_key rq_lock_key; }; -static DEFINE_PER_CPU(struct rq, runqueues); +static DEFINE_PER_CPU(struct rq, runqueues) ____cacheline_aligned_in_smp; static inline int cpu_of(struct rq *rq) { @@ -1049,6 +1075,17 @@ static void resched_task(struct task_struct *p) if (!tsk_is_polling(p)) smp_send_reschedule(cpu); } + +static void resched_cpu(int cpu) +{ + struct rq *rq = cpu_rq(cpu); + unsigned long flags; + + if (!spin_trylock_irqsave(&rq->lock, flags)) + return; + resched_task(cpu_curr(cpu)); + spin_unlock_irqrestore(&rq->lock, flags); +} #else static inline void resched_task(struct task_struct *p) { @@ -1241,7 +1278,8 @@ find_idlest_group(struct sched_domain *sd, struct task_struct *p, int this_cpu) } /* Adjust by relative CPU power of the group */ - avg_load = (avg_load * SCHED_LOAD_SCALE) / group->cpu_power; + avg_load = sg_div_cpu_power(group, + avg_load * SCHED_LOAD_SCALE); if (local_group) { this_load = avg_load; @@ -1368,7 +1406,16 @@ static int wake_idle(int cpu, struct task_struct *p) struct sched_domain *sd; int i; - if (idle_cpu(cpu)) + /* + * If it is idle, then it is the best cpu to run this task. + * + * This cpu is also the best, if it has more than one task already. + * Siblings must be also busy(in most cases) as they didn't already + * pickup the extra load from this cpu and hence we need not check + * sibling runqueue info. This will avoid the checks and cache miss + * penalities associated with that. + */ + if (idle_cpu(cpu) || cpu_rq(cpu)->nr_running > 1) return cpu; for_each_domain(cpu, sd) { @@ -2352,12 +2399,13 @@ find_busiest_group(struct sched_domain *sd, int this_cpu, } total_load += avg_load; - total_pwr += group->cpu_power; + total_pwr += group->__cpu_power; /* Adjust by relative CPU power of the group */ - avg_load = (avg_load * SCHED_LOAD_SCALE) / group->cpu_power; + avg_load = sg_div_cpu_power(group, + avg_load * SCHED_LOAD_SCALE); - group_capacity = group->cpu_power / SCHED_LOAD_SCALE; + group_capacity = group->__cpu_power / SCHED_LOAD_SCALE; if (local_group) { this_load = avg_load; @@ -2468,8 +2516,8 @@ group_next: max_pull = min(max_load - avg_load, max_load - busiest_load_per_task); /* How much load to actually move to equalise the imbalance */ - *imbalance = min(max_pull * busiest->cpu_power, - (avg_load - this_load) * this->cpu_power) + *imbalance = min(max_pull * busiest->__cpu_power, + (avg_load - this_load) * this->__cpu_power) / SCHED_LOAD_SCALE; /* @@ -2503,28 +2551,29 @@ small_imbalance: * moving them. */ - pwr_now += busiest->cpu_power * - min(busiest_load_per_task, max_load); - pwr_now += this->cpu_power * - min(this_load_per_task, this_load); + pwr_now += busiest->__cpu_power * + min(busiest_load_per_task, max_load); + pwr_now += this->__cpu_power * + min(this_load_per_task, this_load); pwr_now /= SCHED_LOAD_SCALE; /* Amount of load we'd subtract */ - tmp = busiest_load_per_task * SCHED_LOAD_SCALE / - busiest->cpu_power; + tmp = sg_div_cpu_power(busiest, + busiest_load_per_task * SCHED_LOAD_SCALE); if (max_load > tmp) - pwr_move += busiest->cpu_power * + pwr_move += busiest->__cpu_power * min(busiest_load_per_task, max_load - tmp); /* Amount of load we'd add */ - if (max_load * busiest->cpu_power < + if (max_load * busiest->__cpu_power < busiest_load_per_task * SCHED_LOAD_SCALE) - tmp = max_load * busiest->cpu_power / this->cpu_power; + tmp = sg_div_cpu_power(this, + max_load * busiest->__cpu_power); else - tmp = busiest_load_per_task * SCHED_LOAD_SCALE / - this->cpu_power; - pwr_move += this->cpu_power * - min(this_load_per_task, this_load + tmp); + tmp = sg_div_cpu_power(this, + busiest_load_per_task * SCHED_LOAD_SCALE); + pwr_move += this->__cpu_power * + min(this_load_per_task, this_load + tmp); pwr_move /= SCHED_LOAD_SCALE; /* Move if we gain throughput */ @@ -2657,6 +2706,12 @@ redo: double_rq_unlock(this_rq, busiest); local_irq_restore(flags); + /* + * some other cpu did the load balance for us. + */ + if (nr_moved && this_cpu != smp_processor_id()) + resched_cpu(this_cpu); + /* All tasks on this runqueue were pinned by CPU affinity */ if (unlikely(all_pinned)) { cpu_clear(cpu_of(busiest), cpus); @@ -2927,32 +2982,98 @@ static void update_load(struct rq *this_rq) } } +#ifdef CONFIG_NO_HZ +static struct { + atomic_t load_balancer; + cpumask_t cpu_mask; +} nohz ____cacheline_aligned = { + .load_balancer = ATOMIC_INIT(-1), + .cpu_mask = CPU_MASK_NONE, +}; + /* - * run_rebalance_domains is triggered when needed from the scheduler tick. + * This routine will try to nominate the ilb (idle load balancing) + * owner among the cpus whose ticks are stopped. ilb owner will do the idle + * load balancing on behalf of all those cpus. If all the cpus in the system + * go into this tickless mode, then there will be no ilb owner (as there is + * no need for one) and all the cpus will sleep till the next wakeup event + * arrives... * + * For the ilb owner, tick is not stopped. And this tick will be used + * for idle load balancing. ilb owner will still be part of + * nohz.cpu_mask.. + * + * While stopping the tick, this cpu will become the ilb owner if there + * is no other owner. And will be the owner till that cpu becomes busy + * or if all cpus in the system stop their ticks at which point + * there is no need for ilb owner. + * + * When the ilb owner becomes busy, it nominates another owner, during the + * next busy scheduler_tick() + */ +int select_nohz_load_balancer(int stop_tick) +{ + int cpu = smp_processor_id(); + + if (stop_tick) { + cpu_set(cpu, nohz.cpu_mask); + cpu_rq(cpu)->in_nohz_recently = 1; + + /* + * If we are going offline and still the leader, give up! + */ + if (cpu_is_offline(cpu) && + atomic_read(&nohz.load_balancer) == cpu) { + if (atomic_cmpxchg(&nohz.load_balancer, cpu, -1) != cpu) + BUG(); + return 0; + } + + /* time for ilb owner also to sleep */ + if (cpus_weight(nohz.cpu_mask) == num_online_cpus()) { + if (atomic_read(&nohz.load_balancer) == cpu) + atomic_set(&nohz.load_balancer, -1); + return 0; + } + + if (atomic_read(&nohz.load_balancer) == -1) { + /* make me the ilb owner */ + if (atomic_cmpxchg(&nohz.load_balancer, -1, cpu) == -1) + return 1; + } else if (atomic_read(&nohz.load_balancer) == cpu) + return 1; + } else { + if (!cpu_isset(cpu, nohz.cpu_mask)) + return 0; + + cpu_clear(cpu, nohz.cpu_mask); + + if (atomic_read(&nohz.load_balancer) == cpu) + if (atomic_cmpxchg(&nohz.load_balancer, cpu, -1) != cpu) + BUG(); + } + return 0; +} +#endif + +static DEFINE_SPINLOCK(balancing); + +/* * It checks each scheduling domain to see if it is due to be balanced, * and initiates a balancing operation if so. * * Balancing parameters are set up in arch_init_sched_domains. */ -static DEFINE_SPINLOCK(balancing); - -static void run_rebalance_domains(struct softirq_action *h) +static inline void rebalance_domains(int cpu, enum idle_type idle) { - int this_cpu = smp_processor_id(), balance = 1; - struct rq *this_rq = cpu_rq(this_cpu); + int balance = 1; + struct rq *rq = cpu_rq(cpu); unsigned long interval; struct sched_domain *sd; - /* - * We are idle if there are no processes running. This - * is valid even if we are the idle process (SMT). - */ - enum idle_type idle = !this_rq->nr_running ? - SCHED_IDLE : NOT_IDLE; - /* Earliest time when we have to call run_rebalance_domains again */ + /* Earliest time when we have to do rebalance again */ unsigned long next_balance = jiffies + 60*HZ; - for_each_domain(this_cpu, sd) { + for_each_domain(cpu, sd) { if (!(sd->flags & SD_LOAD_BALANCE)) continue; @@ -2971,7 +3092,7 @@ static void run_rebalance_domains(struct softirq_action *h) } if (time_after_eq(jiffies, sd->last_balance + interval)) { - if (load_balance(this_cpu, this_rq, sd, idle, &balance)) { + if (load_balance(cpu, rq, sd, idle, &balance)) { /* * We've pulled tasks over so either we're no * longer idle, or one of our SMT siblings is @@ -2995,7 +3116,114 @@ out: if (!balance) break; } - this_rq->next_balance = next_balance; + rq->next_balance = next_balance; +} + +/* + * run_rebalance_domains is triggered when needed from the scheduler tick. + * In CONFIG_NO_HZ case, the idle load balance owner will do the + * rebalancing for all the cpus for whom scheduler ticks are stopped. + */ +static void run_rebalance_domains(struct softirq_action *h) +{ + int local_cpu = smp_processor_id(); + struct rq *local_rq = cpu_rq(local_cpu); + enum idle_type idle = local_rq->idle_at_tick ? SCHED_IDLE : NOT_IDLE; + + rebalance_domains(local_cpu, idle); + +#ifdef CONFIG_NO_HZ + /* + * If this cpu is the owner for idle load balancing, then do the + * balancing on behalf of the other idle cpus whose ticks are + * stopped. + */ + if (local_rq->idle_at_tick && + atomic_read(&nohz.load_balancer) == local_cpu) { + cpumask_t cpus = nohz.cpu_mask; + struct rq *rq; + int balance_cpu; + + cpu_clear(local_cpu, cpus); + for_each_cpu_mask(balance_cpu, cpus) { + /* + * If this cpu gets work to do, stop the load balancing + * work being done for other cpus. Next load + * balancing owner will pick it up. + */ + if (need_resched()) + break; + + rebalance_domains(balance_cpu, SCHED_IDLE); + + rq = cpu_rq(balance_cpu); + if (time_after(local_rq->next_balance, rq->next_balance)) + local_rq->next_balance = rq->next_balance; + } + } +#endif +} + +/* + * Trigger the SCHED_SOFTIRQ if it is time to do periodic load balancing. + * + * In case of CONFIG_NO_HZ, this is the place where we nominate a new + * idle load balancing owner or decide to stop the periodic load balancing, + * if the whole system is idle. + */ +static inline void trigger_load_balance(int cpu) +{ + struct rq *rq = cpu_rq(cpu); +#ifdef CONFIG_NO_HZ + /* + * If we were in the nohz mode recently and busy at the current + * scheduler tick, then check if we need to nominate new idle + * load balancer. + */ + if (rq->in_nohz_recently && !rq->idle_at_tick) { + rq->in_nohz_recently = 0; + + if (atomic_read(&nohz.load_balancer) == cpu) { + cpu_clear(cpu, nohz.cpu_mask); + atomic_set(&nohz.load_balancer, -1); + } + + if (atomic_read(&nohz.load_balancer) == -1) { + /* + * simple selection for now: Nominate the + * first cpu in the nohz list to be the next + * ilb owner. + * + * TBD: Traverse the sched domains and nominate + * the nearest cpu in the nohz.cpu_mask. + */ + int ilb = first_cpu(nohz.cpu_mask); + + if (ilb != NR_CPUS) + resched_cpu(ilb); + } + } + + /* + * If this cpu is idle and doing idle load balancing for all the + * cpus with ticks stopped, is it time for that to stop? + */ + if (rq->idle_at_tick && atomic_read(&nohz.load_balancer) == cpu && + cpus_weight(nohz.cpu_mask) == num_online_cpus()) { + resched_cpu(cpu); + return; + } + + /* + * If this cpu is idle and the idle load balancing is done by + * someone else, then no need raise the SCHED_SOFTIRQ + */ + if (rq->idle_at_tick && atomic_read(&nohz.load_balancer) != cpu && + cpu_isset(cpu, nohz.cpu_mask)) + return; +#endif + if (time_after_eq(jiffies, rq->next_balance)) + raise_softirq(SCHED_SOFTIRQ); } #else /* @@ -3218,16 +3446,17 @@ void scheduler_tick(void) unsigned long long now = sched_clock(); struct task_struct *p = current; int cpu = smp_processor_id(); + int idle_at_tick = idle_cpu(cpu); struct rq *rq = cpu_rq(cpu); update_cpu_clock(p, rq, now); - if (p != rq->idle) + if (!idle_at_tick) task_running_tick(rq, p); #ifdef CONFIG_SMP update_load(rq); - if (time_after_eq(jiffies, rq->next_balance)) - raise_softirq(SCHED_SOFTIRQ); + rq->idle_at_tick = idle_at_tick; + trigger_load_balance(cpu); #endif } @@ -3847,13 +4076,13 @@ void rt_mutex_setprio(struct task_struct *p, int prio) struct prio_array *array; unsigned long flags; struct rq *rq; - int oldprio; + int delta; BUG_ON(prio < 0 || prio > MAX_PRIO); rq = task_rq_lock(p, &flags); - oldprio = p->prio; + delta = prio - p->prio; array = p->array; if (array) dequeue_task(p, array); @@ -3869,13 +4098,11 @@ void rt_mutex_setprio(struct task_struct *p, int prio) enqueue_task(p, array); /* * Reschedule if we are currently running on this runqueue and - * our priority decreased, or if we are not currently running on - * this runqueue and our priority is higher than the current's + * our priority decreased, or if our priority became higher + * than the current's. */ - if (task_running(rq, p)) { - if (p->prio > oldprio) - resched_task(rq->curr); - } else if (TASK_PREEMPTS_CURR(p, rq)) + if (TASK_PREEMPTS_CURR(p, rq) || + (delta > 0 && task_running(rq, p))) resched_task(rq->curr); } task_rq_unlock(rq, &flags); @@ -3923,10 +4150,12 @@ void set_user_nice(struct task_struct *p, long nice) enqueue_task(p, array); inc_raw_weighted_load(rq, p); /* - * If the task increased its priority or is running and - * lowered its priority, then reschedule its CPU: + * Reschedule if we are currently running on this runqueue and + * our priority decreased, or if our priority became higher + * than the current's. */ - if (delta < 0 || (delta > 0 && task_running(rq, p))) + if (TASK_PREEMPTS_CURR(p, rq) || + (delta > 0 && task_running(rq, p))) resched_task(rq->curr); } out_unlock: @@ -4153,13 +4382,11 @@ recheck: __activate_task(p, rq); /* * Reschedule if we are currently running on this runqueue and - * our priority decreased, or if we are not currently running on - * this runqueue and our priority is higher than the current's + * our priority decreased, or our priority became higher + * than the current's. */ - if (task_running(rq, p)) { - if (p->prio > oldprio) - resched_task(rq->curr); - } else if (TASK_PREEMPTS_CURR(p, rq)) + if (TASK_PREEMPTS_CURR(p, rq) || + (task_running(rq, p) && p->prio > oldprio)) resched_task(rq->curr); } __task_rq_unlock(rq); @@ -4750,6 +4977,8 @@ void show_state_filter(unsigned long state_filter) show_task(p); } while_each_thread(g, p); + touch_all_softlockup_watchdogs(); + read_unlock(&tasklist_lock); /* * Only show locks if all tasks are dumped: @@ -5304,7 +5533,7 @@ static void sched_domain_debug(struct sched_domain *sd, int cpu) break; } - if (!group->cpu_power) { + if (!group->__cpu_power) { printk("\n"); printk(KERN_ERR "ERROR: domain->cpu_power not " "set\n"); @@ -5481,7 +5710,7 @@ init_sched_build_groups(cpumask_t span, const cpumask_t *cpu_map, continue; sg->cpumask = CPU_MASK_NONE; - sg->cpu_power = 0; + sg->__cpu_power = 0; for_each_cpu_mask(j, span) { if (group_fn(j, cpu_map, NULL) != group) @@ -6170,7 +6399,7 @@ next_sg: continue; } - sg->cpu_power += sd->groups->cpu_power; + sg_inc_cpu_power(sg, sd->groups->__cpu_power); } sg = sg->next; if (sg != group_head) @@ -6245,6 +6474,8 @@ static void init_sched_groups_power(int cpu, struct sched_domain *sd) child = sd->child; + sd->groups->__cpu_power = 0; + /* * For perf policy, if the groups in child domain share resources * (for example cores sharing some portions of the cache hierarchy @@ -6255,18 +6486,16 @@ static void init_sched_groups_power(int cpu, struct sched_domain *sd) if (!child || (!(sd->flags & SD_POWERSAVINGS_BALANCE) && (child->flags & (SD_SHARE_CPUPOWER | SD_SHARE_PKG_RESOURCES)))) { - sd->groups->cpu_power = SCHED_LOAD_SCALE; + sg_inc_cpu_power(sd->groups, SCHED_LOAD_SCALE); return; } - sd->groups->cpu_power = 0; - /* * add cpu_power of each child group to this groups cpu_power */ group = child->groups; do { - sd->groups->cpu_power += group->cpu_power; + sg_inc_cpu_power(sd->groups, group->__cpu_power); group = group->next; } while (group != child->groups); } @@ -6426,7 +6655,7 @@ static int build_sched_domains(const cpumask_t *cpu_map) sd = &per_cpu(node_domains, j); sd->groups = sg; } - sg->cpu_power = 0; + sg->__cpu_power = 0; sg->cpumask = nodemask; sg->next = sg; cpus_or(covered, covered, nodemask); @@ -6454,7 +6683,7 @@ static int build_sched_domains(const cpumask_t *cpu_map) "Can not alloc domain group for node %d\n", j); goto error; } - sg->cpu_power = 0; + sg->__cpu_power = 0; sg->cpumask = tmp; sg->next = prev->next; cpus_or(covered, covered, tmp); diff --git a/kernel/signal.c b/kernel/signal.c index 2b4087d545a..1368e67c848 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -12,7 +12,6 @@ #include <linux/slab.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/sched.h> #include <linux/fs.h> diff --git a/kernel/softlockup.c b/kernel/softlockup.c index 50afeb81330..8fa7040247a 100644 --- a/kernel/softlockup.c +++ b/kernel/softlockup.c @@ -34,12 +34,32 @@ static struct notifier_block panic_block = { .notifier_call = softlock_panic, }; +/* + * Returns seconds, approximately. We don't need nanosecond + * resolution, and we don't need to waste time with a big divide when + * 2^30ns == 1.074s. + */ +static unsigned long get_timestamp(void) +{ + return sched_clock() >> 30; /* 2^30 ~= 10^9 */ +} + void touch_softlockup_watchdog(void) { - __raw_get_cpu_var(touch_timestamp) = jiffies; + __raw_get_cpu_var(touch_timestamp) = get_timestamp(); } EXPORT_SYMBOL(touch_softlockup_watchdog); +void touch_all_softlockup_watchdogs(void) +{ + int cpu; + + /* Cause each CPU to re-update its timestamp rather than complain */ + for_each_online_cpu(cpu) + per_cpu(touch_timestamp, cpu) = 0; +} +EXPORT_SYMBOL(touch_all_softlockup_watchdogs); + /* * This callback runs from the timer interrupt, and checks * whether the watchdog thread has hung or not: @@ -48,9 +68,18 @@ void softlockup_tick(void) { int this_cpu = smp_processor_id(); unsigned long touch_timestamp = per_cpu(touch_timestamp, this_cpu); + unsigned long print_timestamp; + unsigned long now; + + if (touch_timestamp == 0) { + touch_softlockup_watchdog(); + return; + } + + print_timestamp = per_cpu(print_timestamp, this_cpu); - /* prevent double reports: */ - if (per_cpu(print_timestamp, this_cpu) == touch_timestamp || + /* report at most once a second */ + if (print_timestamp < (touch_timestamp + 1) || did_panic || !per_cpu(watchdog_task, this_cpu)) return; @@ -61,12 +90,14 @@ void softlockup_tick(void) return; } + now = get_timestamp(); + /* Wake up the high-prio watchdog task every second: */ - if (time_after(jiffies, touch_timestamp + HZ)) + if (now > (touch_timestamp + 1)) wake_up_process(per_cpu(watchdog_task, this_cpu)); /* Warn about unreasonable 10+ seconds delays: */ - if (time_after(jiffies, touch_timestamp + 10*HZ)) { + if (now > (touch_timestamp + 10)) { per_cpu(print_timestamp, this_cpu) = touch_timestamp; spin_lock(&print_lock); @@ -82,11 +113,14 @@ void softlockup_tick(void) */ static int watchdog(void * __bind_cpu) { - struct sched_param param = { .sched_priority = 99 }; + struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 }; sched_setscheduler(current, SCHED_FIFO, ¶m); current->flags |= PF_NOFREEZE; + /* initialize timestamp */ + touch_softlockup_watchdog(); + /* * Run briefly once per second to reset the softlockup timestamp. * If this gets delayed for more than 10 seconds then the @@ -118,7 +152,7 @@ cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) printk("watchdog for %i failed\n", hotcpu); return NOTIFY_BAD; } - per_cpu(touch_timestamp, hotcpu) = jiffies; + per_cpu(touch_timestamp, hotcpu) = 0; per_cpu(watchdog_task, hotcpu) = p; kthread_bind(p, hotcpu); break; diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c index 12458040e66..daabb74ee0b 100644 --- a/kernel/stop_machine.c +++ b/kernel/stop_machine.c @@ -1,11 +1,12 @@ /* Copyright 2005 Rusty Russell rusty@rustcorp.com.au IBM Corporation. * GPL v2 and any later version. */ -#include <linux/stop_machine.h> -#include <linux/kthread.h> -#include <linux/sched.h> #include <linux/cpu.h> #include <linux/err.h> +#include <linux/kthread.h> +#include <linux/module.h> +#include <linux/sched.h> +#include <linux/stop_machine.h> #include <linux/syscalls.h> #include <asm/atomic.h> #include <asm/semaphore.h> @@ -208,3 +209,4 @@ int stop_machine_run(int (*fn)(void *), void *data, unsigned int cpu) return ret; } +EXPORT_SYMBOL_GPL(stop_machine_run); diff --git a/kernel/sys.c b/kernel/sys.c index fe1f3ab2047..926bf9d7ac4 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1923,6 +1923,16 @@ asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim) if (retval) return retval; + if (resource == RLIMIT_CPU && new_rlim.rlim_cur == 0) { + /* + * The caller is asking for an immediate RLIMIT_CPU + * expiry. But we use the zero value to mean "it was + * never set". So let's cheat and make it one second + * instead + */ + new_rlim.rlim_cur = 1; + } + task_lock(current->group_leader); *old_rlim = new_rlim; task_unlock(current->group_leader); @@ -1944,15 +1954,6 @@ asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim) unsigned long rlim_cur = new_rlim.rlim_cur; cputime_t cputime; - if (rlim_cur == 0) { - /* - * The caller is asking for an immediate RLIMIT_CPU - * expiry. But we use the zero value to mean "it was - * never set". So let's cheat and make it one second - * instead - */ - rlim_cur = 1; - } cputime = secs_to_cputime(rlim_cur); read_lock(&tasklist_lock); spin_lock_irq(¤t->sighand->siglock); diff --git a/kernel/sysctl.c b/kernel/sysctl.c index c904748f229..f0664bd5011 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -76,6 +76,7 @@ extern int pid_max_min, pid_max_max; extern int sysctl_drop_caches; extern int percpu_pagelist_fraction; extern int compat_log; +extern int maps_protect; /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */ static int maxolduid = 65535; @@ -603,6 +604,16 @@ static ctl_table kern_table[] = { .proc_handler = &proc_dointvec, }, #endif +#ifdef CONFIG_PROC_FS + { + .ctl_name = CTL_UNNUMBERED, + .procname = "maps_protect", + .data = &maps_protect, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, +#endif { .ctl_name = 0 } }; diff --git a/kernel/time.c b/kernel/time.c index ba18ec4899b..f04791f6940 100644 --- a/kernel/time.c +++ b/kernel/time.c @@ -31,7 +31,6 @@ #include <linux/timex.h> #include <linux/capability.h> #include <linux/errno.h> -#include <linux/smp_lock.h> #include <linux/syscalls.h> #include <linux/security.h> #include <linux/fs.h> @@ -247,6 +246,36 @@ struct timespec current_fs_time(struct super_block *sb) } EXPORT_SYMBOL(current_fs_time); +/* + * Convert jiffies to milliseconds and back. + * + * Avoid unnecessary multiplications/divisions in the + * two most common HZ cases: + */ +unsigned int inline jiffies_to_msecs(const unsigned long j) +{ +#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ) + return (MSEC_PER_SEC / HZ) * j; +#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC) + return (j + (HZ / MSEC_PER_SEC) - 1)/(HZ / MSEC_PER_SEC); +#else + return (j * MSEC_PER_SEC) / HZ; +#endif +} +EXPORT_SYMBOL(jiffies_to_msecs); + +unsigned int inline jiffies_to_usecs(const unsigned long j) +{ +#if HZ <= USEC_PER_SEC && !(USEC_PER_SEC % HZ) + return (USEC_PER_SEC / HZ) * j; +#elif HZ > USEC_PER_SEC && !(HZ % USEC_PER_SEC) + return (j + (HZ / USEC_PER_SEC) - 1)/(HZ / USEC_PER_SEC); +#else + return (j * USEC_PER_SEC) / HZ; +#endif +} +EXPORT_SYMBOL(jiffies_to_usecs); + /** * timespec_trunc - Truncate timespec to a granularity * @t: Timespec @@ -473,36 +502,6 @@ struct timeval ns_to_timeval(const s64 nsec) EXPORT_SYMBOL(ns_to_timeval); /* - * Convert jiffies to milliseconds and back. - * - * Avoid unnecessary multiplications/divisions in the - * two most common HZ cases: - */ -unsigned int jiffies_to_msecs(const unsigned long j) -{ -#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ) - return (MSEC_PER_SEC / HZ) * j; -#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC) - return (j + (HZ / MSEC_PER_SEC) - 1)/(HZ / MSEC_PER_SEC); -#else - return (j * MSEC_PER_SEC) / HZ; -#endif -} -EXPORT_SYMBOL(jiffies_to_msecs); - -unsigned int jiffies_to_usecs(const unsigned long j) -{ -#if HZ <= USEC_PER_SEC && !(USEC_PER_SEC % HZ) - return (USEC_PER_SEC / HZ) * j; -#elif HZ > USEC_PER_SEC && !(HZ % USEC_PER_SEC) - return (j + (HZ / USEC_PER_SEC) - 1)/(HZ / USEC_PER_SEC); -#else - return (j * USEC_PER_SEC) / HZ; -#endif -} -EXPORT_SYMBOL(jiffies_to_usecs); - -/* * When we convert to jiffies then we interpret incoming values * the following way: * diff --git a/kernel/time/Makefile b/kernel/time/Makefile index 93bccba1f26..99b6034fc86 100644 --- a/kernel/time/Makefile +++ b/kernel/time/Makefile @@ -1,4 +1,4 @@ -obj-y += ntp.o clocksource.o jiffies.o timer_list.o +obj-y += timekeeping.o ntp.o clocksource.o jiffies.o timer_list.o obj-$(CONFIG_GENERIC_CLOCKEVENTS) += clockevents.o obj-$(CONFIG_GENERIC_CLOCKEVENTS) += tick-common.o diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index bfda3f7f071..a96ec9ab345 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -31,7 +31,7 @@ DEFINE_PER_CPU(struct tick_device, tick_cpu_device); */ ktime_t tick_next_period; ktime_t tick_period; -static int tick_do_timer_cpu = -1; +int tick_do_timer_cpu __read_mostly = -1; DEFINE_SPINLOCK(tick_device_lock); /* @@ -295,6 +295,12 @@ static void tick_shutdown(unsigned int *cpup) clockevents_exchange_device(dev, NULL); td->evtdev = NULL; } + /* Transfer the do_timer job away from this cpu */ + if (*cpup == tick_do_timer_cpu) { + int cpu = first_cpu(cpu_online_map); + + tick_do_timer_cpu = (cpu != NR_CPUS) ? cpu : -1; + } spin_unlock_irqrestore(&tick_device_lock, flags); } diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h index c9d203bde51..bb13f272490 100644 --- a/kernel/time/tick-internal.h +++ b/kernel/time/tick-internal.h @@ -5,6 +5,7 @@ DECLARE_PER_CPU(struct tick_device, tick_cpu_device); extern spinlock_t tick_device_lock; extern ktime_t tick_next_period; extern ktime_t tick_period; +extern int tick_do_timer_cpu __read_mostly; extern void tick_setup_periodic(struct clock_event_device *dev, int broadcast); extern void tick_handle_periodic(struct clock_event_device *dev); diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 51556b95f60..3483e6cb954 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -217,10 +217,30 @@ void tick_nohz_stop_sched_tick(void) * the scheduler tick in nohz_restart_sched_tick. */ if (!ts->tick_stopped) { + if (select_nohz_load_balancer(1)) { + /* + * sched tick not stopped! + */ + cpu_clear(cpu, nohz_cpu_mask); + goto out; + } + ts->idle_tick = ts->sched_timer.expires; ts->tick_stopped = 1; ts->idle_jiffies = last_jiffies; } + + /* + * If this cpu is the one which updates jiffies, then + * give up the assignment and let it be taken by the + * cpu which runs the tick timer next, which might be + * this cpu as well. If we don't drop this here the + * jiffies might be stale and do_timer() never + * invoked. + */ + if (cpu == tick_do_timer_cpu) + tick_do_timer_cpu = -1; + /* * calculate the expiry time for the next timer wheel * timer @@ -273,6 +293,7 @@ void tick_nohz_restart_sched_tick(void) now = ktime_get(); local_irq_disable(); + select_nohz_load_balancer(0); tick_do_update_jiffies64(now); cpu_clear(cpu, nohz_cpu_mask); @@ -338,12 +359,24 @@ static void tick_nohz_handler(struct clock_event_device *dev) { struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched); struct pt_regs *regs = get_irq_regs(); + int cpu = smp_processor_id(); ktime_t now = ktime_get(); dev->next_event.tv64 = KTIME_MAX; + /* + * Check if the do_timer duty was dropped. We don't care about + * concurrency: This happens only when the cpu in charge went + * into a long sleep. If two cpus happen to assign themself to + * this duty, then the jiffies update is still serialized by + * xtime_lock. + */ + if (unlikely(tick_do_timer_cpu == -1)) + tick_do_timer_cpu = cpu; + /* Check, if the jiffies need an update */ - tick_do_update_jiffies64(now); + if (tick_do_timer_cpu == cpu) + tick_do_update_jiffies64(now); /* * When we are idle and the tick is stopped, we have to touch @@ -431,9 +464,23 @@ static enum hrtimer_restart tick_sched_timer(struct hrtimer *timer) struct hrtimer_cpu_base *base = timer->base->cpu_base; struct pt_regs *regs = get_irq_regs(); ktime_t now = ktime_get(); + int cpu = smp_processor_id(); + +#ifdef CONFIG_NO_HZ + /* + * Check if the do_timer duty was dropped. We don't care about + * concurrency: This happens only when the cpu in charge went + * into a long sleep. If two cpus happen to assign themself to + * this duty, then the jiffies update is still serialized by + * xtime_lock. + */ + if (unlikely(tick_do_timer_cpu == -1)) + tick_do_timer_cpu = cpu; +#endif /* Check, if the jiffies need an update */ - tick_do_update_jiffies64(now); + if (tick_do_timer_cpu == cpu) + tick_do_update_jiffies64(now); /* * Do not call, when we are not in irq context and have diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c new file mode 100644 index 00000000000..f9217bf644f --- /dev/null +++ b/kernel/time/timekeeping.c @@ -0,0 +1,476 @@ +/* + * linux/kernel/time/timekeeping.c + * + * Kernel timekeeping code and accessor functions + * + * This code was moved from linux/kernel/timer.c. + * Please see that file for copyright and history logs. + * + */ + +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/percpu.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/sysdev.h> +#include <linux/clocksource.h> +#include <linux/jiffies.h> +#include <linux/time.h> +#include <linux/tick.h> + + +/* + * This read-write spinlock protects us from races in SMP while + * playing with xtime and avenrun. + */ +__attribute__((weak)) __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock); + +EXPORT_SYMBOL(xtime_lock); + + +/* + * The current time + * wall_to_monotonic is what we need to add to xtime (or xtime corrected + * for sub jiffie times) to get to monotonic time. Monotonic is pegged + * at zero at system boot time, so wall_to_monotonic will be negative, + * however, we will ALWAYS keep the tv_nsec part positive so we can use + * the usual normalization. + */ +struct timespec xtime __attribute__ ((aligned (16))); +struct timespec wall_to_monotonic __attribute__ ((aligned (16))); + +EXPORT_SYMBOL(xtime); + + +static struct clocksource *clock; /* pointer to current clocksource */ + + +#ifdef CONFIG_GENERIC_TIME +/** + * __get_nsec_offset - Returns nanoseconds since last call to periodic_hook + * + * private function, must hold xtime_lock lock when being + * called. Returns the number of nanoseconds since the + * last call to update_wall_time() (adjusted by NTP scaling) + */ +static inline s64 __get_nsec_offset(void) +{ + cycle_t cycle_now, cycle_delta; + s64 ns_offset; + + /* read clocksource: */ + cycle_now = clocksource_read(clock); + + /* calculate the delta since the last update_wall_time: */ + cycle_delta = (cycle_now - clock->cycle_last) & clock->mask; + + /* convert to nanoseconds: */ + ns_offset = cyc2ns(clock, cycle_delta); + + return ns_offset; +} + +/** + * __get_realtime_clock_ts - Returns the time of day in a timespec + * @ts: pointer to the timespec to be set + * + * Returns the time of day in a timespec. Used by + * do_gettimeofday() and get_realtime_clock_ts(). + */ +static inline void __get_realtime_clock_ts(struct timespec *ts) +{ + unsigned long seq; + s64 nsecs; + + do { + seq = read_seqbegin(&xtime_lock); + + *ts = xtime; + nsecs = __get_nsec_offset(); + + } while (read_seqretry(&xtime_lock, seq)); + + timespec_add_ns(ts, nsecs); +} + +/** + * getnstimeofday - Returns the time of day in a timespec + * @ts: pointer to the timespec to be set + * + * Returns the time of day in a timespec. + */ +void getnstimeofday(struct timespec *ts) +{ + __get_realtime_clock_ts(ts); +} + +EXPORT_SYMBOL(getnstimeofday); + +/** + * do_gettimeofday - Returns the time of day in a timeval + * @tv: pointer to the timeval to be set + * + * NOTE: Users should be converted to using get_realtime_clock_ts() + */ +void do_gettimeofday(struct timeval *tv) +{ + struct timespec now; + + __get_realtime_clock_ts(&now); + tv->tv_sec = now.tv_sec; + tv->tv_usec = now.tv_nsec/1000; +} + +EXPORT_SYMBOL(do_gettimeofday); +/** + * do_settimeofday - Sets the time of day + * @tv: pointer to the timespec variable containing the new time + * + * Sets the time of day to the new time and update NTP and notify hrtimers + */ +int do_settimeofday(struct timespec *tv) +{ + unsigned long flags; + time_t wtm_sec, sec = tv->tv_sec; + long wtm_nsec, nsec = tv->tv_nsec; + + if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) + return -EINVAL; + + write_seqlock_irqsave(&xtime_lock, flags); + + nsec -= __get_nsec_offset(); + + wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); + wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); + + set_normalized_timespec(&xtime, sec, nsec); + set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); + + clock->error = 0; + ntp_clear(); + + update_vsyscall(&xtime, clock); + + write_sequnlock_irqrestore(&xtime_lock, flags); + + /* signal hrtimers about time change */ + clock_was_set(); + + return 0; +} + +EXPORT_SYMBOL(do_settimeofday); + +/** + * change_clocksource - Swaps clocksources if a new one is available + * + * Accumulates current time interval and initializes new clocksource + */ +static void change_clocksource(void) +{ + struct clocksource *new; + cycle_t now; + u64 nsec; + + new = clocksource_get_next(); + + if (clock == new) + return; + + now = clocksource_read(new); + nsec = __get_nsec_offset(); + timespec_add_ns(&xtime, nsec); + + clock = new; + clock->cycle_last = now; + + clock->error = 0; + clock->xtime_nsec = 0; + clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH); + + tick_clock_notify(); + + printk(KERN_INFO "Time: %s clocksource has been installed.\n", + clock->name); +} +#else +static inline void change_clocksource(void) { } +#endif + +/** + * timekeeping_is_continuous - check to see if timekeeping is free running + */ +int timekeeping_is_continuous(void) +{ + unsigned long seq; + int ret; + + do { + seq = read_seqbegin(&xtime_lock); + + ret = clock->flags & CLOCK_SOURCE_VALID_FOR_HRES; + + } while (read_seqretry(&xtime_lock, seq)); + + return ret; +} + +/** + * read_persistent_clock - Return time in seconds from the persistent clock. + * + * Weak dummy function for arches that do not yet support it. + * Returns seconds from epoch using the battery backed persistent clock. + * Returns zero if unsupported. + * + * XXX - Do be sure to remove it once all arches implement it. + */ +unsigned long __attribute__((weak)) read_persistent_clock(void) +{ + return 0; +} + +/* + * timekeeping_init - Initializes the clocksource and common timekeeping values + */ +void __init timekeeping_init(void) +{ + unsigned long flags; + unsigned long sec = read_persistent_clock(); + + write_seqlock_irqsave(&xtime_lock, flags); + + ntp_clear(); + + clock = clocksource_get_next(); + clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH); + clock->cycle_last = clocksource_read(clock); + + xtime.tv_sec = sec; + xtime.tv_nsec = 0; + set_normalized_timespec(&wall_to_monotonic, + -xtime.tv_sec, -xtime.tv_nsec); + + write_sequnlock_irqrestore(&xtime_lock, flags); +} + +/* flag for if timekeeping is suspended */ +static int timekeeping_suspended; +/* time in seconds when suspend began */ +static unsigned long timekeeping_suspend_time; + +/** + * timekeeping_resume - Resumes the generic timekeeping subsystem. + * @dev: unused + * + * This is for the generic clocksource timekeeping. + * xtime/wall_to_monotonic/jiffies/etc are + * still managed by arch specific suspend/resume code. + */ +static int timekeeping_resume(struct sys_device *dev) +{ + unsigned long flags; + unsigned long now = read_persistent_clock(); + + write_seqlock_irqsave(&xtime_lock, flags); + + if (now && (now > timekeeping_suspend_time)) { + unsigned long sleep_length = now - timekeeping_suspend_time; + + xtime.tv_sec += sleep_length; + wall_to_monotonic.tv_sec -= sleep_length; + } + /* re-base the last cycle value */ + clock->cycle_last = clocksource_read(clock); + clock->error = 0; + timekeeping_suspended = 0; + write_sequnlock_irqrestore(&xtime_lock, flags); + + touch_softlockup_watchdog(); + + clockevents_notify(CLOCK_EVT_NOTIFY_RESUME, NULL); + + /* Resume hrtimers */ + hres_timers_resume(); + + return 0; +} + +static int timekeeping_suspend(struct sys_device *dev, pm_message_t state) +{ + unsigned long flags; + + write_seqlock_irqsave(&xtime_lock, flags); + timekeeping_suspended = 1; + timekeeping_suspend_time = read_persistent_clock(); + write_sequnlock_irqrestore(&xtime_lock, flags); + + clockevents_notify(CLOCK_EVT_NOTIFY_SUSPEND, NULL); + + return 0; +} + +/* sysfs resume/suspend bits for timekeeping */ +static struct sysdev_class timekeeping_sysclass = { + .resume = timekeeping_resume, + .suspend = timekeeping_suspend, + set_kset_name("timekeeping"), +}; + +static struct sys_device device_timer = { + .id = 0, + .cls = &timekeeping_sysclass, +}; + +static int __init timekeeping_init_device(void) +{ + int error = sysdev_class_register(&timekeeping_sysclass); + if (!error) + error = sysdev_register(&device_timer); + return error; +} + +device_initcall(timekeeping_init_device); + +/* + * If the error is already larger, we look ahead even further + * to compensate for late or lost adjustments. + */ +static __always_inline int clocksource_bigadjust(s64 error, s64 *interval, + s64 *offset) +{ + s64 tick_error, i; + u32 look_ahead, adj; + s32 error2, mult; + + /* + * Use the current error value to determine how much to look ahead. + * The larger the error the slower we adjust for it to avoid problems + * with losing too many ticks, otherwise we would overadjust and + * produce an even larger error. The smaller the adjustment the + * faster we try to adjust for it, as lost ticks can do less harm + * here. This is tuned so that an error of about 1 msec is adusted + * within about 1 sec (or 2^20 nsec in 2^SHIFT_HZ ticks). + */ + error2 = clock->error >> (TICK_LENGTH_SHIFT + 22 - 2 * SHIFT_HZ); + error2 = abs(error2); + for (look_ahead = 0; error2 > 0; look_ahead++) + error2 >>= 2; + + /* + * Now calculate the error in (1 << look_ahead) ticks, but first + * remove the single look ahead already included in the error. + */ + tick_error = current_tick_length() >> + (TICK_LENGTH_SHIFT - clock->shift + 1); + tick_error -= clock->xtime_interval >> 1; + error = ((error - tick_error) >> look_ahead) + tick_error; + + /* Finally calculate the adjustment shift value. */ + i = *interval; + mult = 1; + if (error < 0) { + error = -error; + *interval = -*interval; + *offset = -*offset; + mult = -1; + } + for (adj = 0; error > i; adj++) + error >>= 1; + + *interval <<= adj; + *offset <<= adj; + return mult << adj; +} + +/* + * Adjust the multiplier to reduce the error value, + * this is optimized for the most common adjustments of -1,0,1, + * for other values we can do a bit more work. + */ +static void clocksource_adjust(struct clocksource *clock, s64 offset) +{ + s64 error, interval = clock->cycle_interval; + int adj; + + error = clock->error >> (TICK_LENGTH_SHIFT - clock->shift - 1); + if (error > interval) { + error >>= 2; + if (likely(error <= interval)) + adj = 1; + else + adj = clocksource_bigadjust(error, &interval, &offset); + } else if (error < -interval) { + error >>= 2; + if (likely(error >= -interval)) { + adj = -1; + interval = -interval; + offset = -offset; + } else + adj = clocksource_bigadjust(error, &interval, &offset); + } else + return; + + clock->mult += adj; + clock->xtime_interval += interval; + clock->xtime_nsec -= offset; + clock->error -= (interval - offset) << + (TICK_LENGTH_SHIFT - clock->shift); +} + +/** + * update_wall_time - Uses the current clocksource to increment the wall time + * + * Called from the timer interrupt, must hold a write on xtime_lock. + */ +void update_wall_time(void) +{ + cycle_t offset; + + /* Make sure we're fully resumed: */ + if (unlikely(timekeeping_suspended)) + return; + +#ifdef CONFIG_GENERIC_TIME + offset = (clocksource_read(clock) - clock->cycle_last) & clock->mask; +#else + offset = clock->cycle_interval; +#endif + clock->xtime_nsec += (s64)xtime.tv_nsec << clock->shift; + + /* normally this loop will run just once, however in the + * case of lost or late ticks, it will accumulate correctly. + */ + while (offset >= clock->cycle_interval) { + /* accumulate one interval */ + clock->xtime_nsec += clock->xtime_interval; + clock->cycle_last += clock->cycle_interval; + offset -= clock->cycle_interval; + + if (clock->xtime_nsec >= (u64)NSEC_PER_SEC << clock->shift) { + clock->xtime_nsec -= (u64)NSEC_PER_SEC << clock->shift; + xtime.tv_sec++; + second_overflow(); + } + + /* interpolator bits */ + time_interpolator_update(clock->xtime_interval + >> clock->shift); + + /* accumulate error between NTP and clock interval */ + clock->error += current_tick_length(); + clock->error -= clock->xtime_interval << (TICK_LENGTH_SHIFT - clock->shift); + } + + /* correct the clock when NTP error is too big */ + clocksource_adjust(clock, offset); + + /* store full nanoseconds into xtime */ + xtime.tv_nsec = (s64)clock->xtime_nsec >> clock->shift; + clock->xtime_nsec -= (s64)xtime.tv_nsec << clock->shift; + + /* check to see if there is a new clocksource to use */ + change_clocksource(); + update_vsyscall(&xtime, clock); +} diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c index 59df5e8555a..b734ca4bc75 100644 --- a/kernel/time/timer_list.c +++ b/kernel/time/timer_list.c @@ -38,17 +38,12 @@ DECLARE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases); static void print_name_offset(struct seq_file *m, void *sym) { - unsigned long addr = (unsigned long)sym; - char namebuf[KSYM_NAME_LEN+1]; - unsigned long size, offset; - const char *sym_name; - char *modname; - - sym_name = kallsyms_lookup(addr, &size, &offset, &modname, namebuf); - if (sym_name) - SEQ_printf(m, "%s", sym_name); - else + char symname[KSYM_NAME_LEN+1]; + + if (lookup_symbol_name((unsigned long)sym, symname) < 0) SEQ_printf(m, "<%p>", sym); + else + SEQ_printf(m, "%s", symname); } static void diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c index 1bc4882e28e..868f1bceb07 100644 --- a/kernel/time/timer_stats.c +++ b/kernel/time/timer_stats.c @@ -257,16 +257,12 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf, static void print_name_offset(struct seq_file *m, unsigned long addr) { - char namebuf[KSYM_NAME_LEN+1]; - unsigned long size, offset; - const char *sym_name; - char *modname; - - sym_name = kallsyms_lookup(addr, &size, &offset, &modname, namebuf); - if (sym_name) - seq_printf(m, "%s", sym_name); - else + char symname[KSYM_NAME_LEN+1]; + + if (lookup_symbol_name(addr, symname) < 0) seq_printf(m, "<%p>", (void *)addr); + else + seq_printf(m, "%s", symname); } static int tstats_show(struct seq_file *m, void *v) diff --git a/kernel/timer.c b/kernel/timer.c index b22bd39740d..7a6448340f9 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -1,7 +1,7 @@ /* * linux/kernel/timer.c * - * Kernel internal timers, kernel timekeeping, basic process system calls + * Kernel internal timers, basic process system calls * * Copyright (C) 1991, 1992 Linus Torvalds * @@ -74,7 +74,7 @@ struct tvec_t_base_s { tvec_t tv3; tvec_t tv4; tvec_t tv5; -} ____cacheline_aligned_in_smp; +} ____cacheline_aligned; typedef struct tvec_t_base_s tvec_base_t; @@ -82,6 +82,37 @@ tvec_base_t boot_tvec_bases; EXPORT_SYMBOL(boot_tvec_bases); static DEFINE_PER_CPU(tvec_base_t *, tvec_bases) = &boot_tvec_bases; +/* + * Note that all tvec_bases is 2 byte aligned and lower bit of + * base in timer_list is guaranteed to be zero. Use the LSB for + * the new flag to indicate whether the timer is deferrable + */ +#define TBASE_DEFERRABLE_FLAG (0x1) + +/* Functions below help us manage 'deferrable' flag */ +static inline unsigned int tbase_get_deferrable(tvec_base_t *base) +{ + return ((unsigned int)(unsigned long)base & TBASE_DEFERRABLE_FLAG); +} + +static inline tvec_base_t *tbase_get_base(tvec_base_t *base) +{ + return ((tvec_base_t *)((unsigned long)base & ~TBASE_DEFERRABLE_FLAG)); +} + +static inline void timer_set_deferrable(struct timer_list *timer) +{ + timer->base = ((tvec_base_t *)((unsigned long)(timer->base) | + TBASE_DEFERRABLE_FLAG)); +} + +static inline void +timer_set_base(struct timer_list *timer, tvec_base_t *new_base) +{ + timer->base = (tvec_base_t *)((unsigned long)(new_base) | + tbase_get_deferrable(timer->base)); +} + /** * __round_jiffies - function to round jiffies to a full second * @j: the time in (absolute) jiffies that should be rounded @@ -295,6 +326,13 @@ void fastcall init_timer(struct timer_list *timer) } EXPORT_SYMBOL(init_timer); +void fastcall init_timer_deferrable(struct timer_list *timer) +{ + init_timer(timer); + timer_set_deferrable(timer); +} +EXPORT_SYMBOL(init_timer_deferrable); + static inline void detach_timer(struct timer_list *timer, int clear_pending) { @@ -325,10 +363,11 @@ static tvec_base_t *lock_timer_base(struct timer_list *timer, tvec_base_t *base; for (;;) { - base = timer->base; + tvec_base_t *prelock_base = timer->base; + base = tbase_get_base(prelock_base); if (likely(base != NULL)) { spin_lock_irqsave(&base->lock, *flags); - if (likely(base == timer->base)) + if (likely(prelock_base == timer->base)) return base; /* The timer has migrated to another CPU */ spin_unlock_irqrestore(&base->lock, *flags); @@ -365,11 +404,11 @@ int __mod_timer(struct timer_list *timer, unsigned long expires) */ if (likely(base->running_timer != timer)) { /* See the comment in lock_timer_base() */ - timer->base = NULL; + timer_set_base(timer, NULL); spin_unlock(&base->lock); base = new_base; spin_lock(&base->lock); - timer->base = base; + timer_set_base(timer, base); } } @@ -397,7 +436,7 @@ void add_timer_on(struct timer_list *timer, int cpu) timer_stats_timer_set_start_info(timer); BUG_ON(timer_pending(timer) || !timer->function); spin_lock_irqsave(&base->lock, flags); - timer->base = base; + timer_set_base(timer, base); internal_add_timer(base, timer); spin_unlock_irqrestore(&base->lock, flags); } @@ -550,7 +589,7 @@ static int cascade(tvec_base_t *base, tvec_t *tv, int index) * don't have to detach them individually. */ list_for_each_entry_safe(timer, tmp, &tv_list, entry) { - BUG_ON(timer->base != base); + BUG_ON(tbase_get_base(timer->base) != base); internal_add_timer(base, timer); } @@ -590,7 +629,7 @@ static inline void __run_timers(tvec_base_t *base) void (*fn)(unsigned long); unsigned long data; - timer = list_entry(head->next,struct timer_list,entry); + timer = list_first_entry(head, struct timer_list,entry); fn = timer->function; data = timer->data; @@ -636,6 +675,9 @@ static unsigned long __next_timer_interrupt(tvec_base_t *base) index = slot = timer_jiffies & TVR_MASK; do { list_for_each_entry(nte, base->tv1.vec + slot, entry) { + if (tbase_get_deferrable(nte->base)) + continue; + found = 1; expires = nte->expires; /* Look at the cascade bucket(s)? */ @@ -752,455 +794,6 @@ unsigned long next_timer_interrupt(void) #endif -/******************************************************************/ - -/* - * The current time - * wall_to_monotonic is what we need to add to xtime (or xtime corrected - * for sub jiffie times) to get to monotonic time. Monotonic is pegged - * at zero at system boot time, so wall_to_monotonic will be negative, - * however, we will ALWAYS keep the tv_nsec part positive so we can use - * the usual normalization. - */ -struct timespec xtime __attribute__ ((aligned (16))); -struct timespec wall_to_monotonic __attribute__ ((aligned (16))); - -EXPORT_SYMBOL(xtime); - - -/* XXX - all of this timekeeping code should be later moved to time.c */ -#include <linux/clocksource.h> -static struct clocksource *clock; /* pointer to current clocksource */ - -#ifdef CONFIG_GENERIC_TIME -/** - * __get_nsec_offset - Returns nanoseconds since last call to periodic_hook - * - * private function, must hold xtime_lock lock when being - * called. Returns the number of nanoseconds since the - * last call to update_wall_time() (adjusted by NTP scaling) - */ -static inline s64 __get_nsec_offset(void) -{ - cycle_t cycle_now, cycle_delta; - s64 ns_offset; - - /* read clocksource: */ - cycle_now = clocksource_read(clock); - - /* calculate the delta since the last update_wall_time: */ - cycle_delta = (cycle_now - clock->cycle_last) & clock->mask; - - /* convert to nanoseconds: */ - ns_offset = cyc2ns(clock, cycle_delta); - - return ns_offset; -} - -/** - * __get_realtime_clock_ts - Returns the time of day in a timespec - * @ts: pointer to the timespec to be set - * - * Returns the time of day in a timespec. Used by - * do_gettimeofday() and get_realtime_clock_ts(). - */ -static inline void __get_realtime_clock_ts(struct timespec *ts) -{ - unsigned long seq; - s64 nsecs; - - do { - seq = read_seqbegin(&xtime_lock); - - *ts = xtime; - nsecs = __get_nsec_offset(); - - } while (read_seqretry(&xtime_lock, seq)); - - timespec_add_ns(ts, nsecs); -} - -/** - * getnstimeofday - Returns the time of day in a timespec - * @ts: pointer to the timespec to be set - * - * Returns the time of day in a timespec. - */ -void getnstimeofday(struct timespec *ts) -{ - __get_realtime_clock_ts(ts); -} - -EXPORT_SYMBOL(getnstimeofday); - -/** - * do_gettimeofday - Returns the time of day in a timeval - * @tv: pointer to the timeval to be set - * - * NOTE: Users should be converted to using get_realtime_clock_ts() - */ -void do_gettimeofday(struct timeval *tv) -{ - struct timespec now; - - __get_realtime_clock_ts(&now); - tv->tv_sec = now.tv_sec; - tv->tv_usec = now.tv_nsec/1000; -} - -EXPORT_SYMBOL(do_gettimeofday); -/** - * do_settimeofday - Sets the time of day - * @tv: pointer to the timespec variable containing the new time - * - * Sets the time of day to the new time and update NTP and notify hrtimers - */ -int do_settimeofday(struct timespec *tv) -{ - unsigned long flags; - time_t wtm_sec, sec = tv->tv_sec; - long wtm_nsec, nsec = tv->tv_nsec; - - if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) - return -EINVAL; - - write_seqlock_irqsave(&xtime_lock, flags); - - nsec -= __get_nsec_offset(); - - wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); - wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); - - set_normalized_timespec(&xtime, sec, nsec); - set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); - - clock->error = 0; - ntp_clear(); - - update_vsyscall(&xtime, clock); - - write_sequnlock_irqrestore(&xtime_lock, flags); - - /* signal hrtimers about time change */ - clock_was_set(); - - return 0; -} - -EXPORT_SYMBOL(do_settimeofday); - -/** - * change_clocksource - Swaps clocksources if a new one is available - * - * Accumulates current time interval and initializes new clocksource - */ -static void change_clocksource(void) -{ - struct clocksource *new; - cycle_t now; - u64 nsec; - - new = clocksource_get_next(); - - if (clock == new) - return; - - now = clocksource_read(new); - nsec = __get_nsec_offset(); - timespec_add_ns(&xtime, nsec); - - clock = new; - clock->cycle_last = now; - - clock->error = 0; - clock->xtime_nsec = 0; - clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH); - - tick_clock_notify(); - - printk(KERN_INFO "Time: %s clocksource has been installed.\n", - clock->name); -} -#else -static inline void change_clocksource(void) { } -#endif - -/** - * timekeeping_is_continuous - check to see if timekeeping is free running - */ -int timekeeping_is_continuous(void) -{ - unsigned long seq; - int ret; - - do { - seq = read_seqbegin(&xtime_lock); - - ret = clock->flags & CLOCK_SOURCE_VALID_FOR_HRES; - - } while (read_seqretry(&xtime_lock, seq)); - - return ret; -} - -/** - * read_persistent_clock - Return time in seconds from the persistent clock. - * - * Weak dummy function for arches that do not yet support it. - * Returns seconds from epoch using the battery backed persistent clock. - * Returns zero if unsupported. - * - * XXX - Do be sure to remove it once all arches implement it. - */ -unsigned long __attribute__((weak)) read_persistent_clock(void) -{ - return 0; -} - -/* - * timekeeping_init - Initializes the clocksource and common timekeeping values - */ -void __init timekeeping_init(void) -{ - unsigned long flags; - unsigned long sec = read_persistent_clock(); - - write_seqlock_irqsave(&xtime_lock, flags); - - ntp_clear(); - - clock = clocksource_get_next(); - clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH); - clock->cycle_last = clocksource_read(clock); - - xtime.tv_sec = sec; - xtime.tv_nsec = 0; - set_normalized_timespec(&wall_to_monotonic, - -xtime.tv_sec, -xtime.tv_nsec); - - write_sequnlock_irqrestore(&xtime_lock, flags); -} - -/* flag for if timekeeping is suspended */ -static int timekeeping_suspended; -/* time in seconds when suspend began */ -static unsigned long timekeeping_suspend_time; - -/** - * timekeeping_resume - Resumes the generic timekeeping subsystem. - * @dev: unused - * - * This is for the generic clocksource timekeeping. - * xtime/wall_to_monotonic/jiffies/etc are - * still managed by arch specific suspend/resume code. - */ -static int timekeeping_resume(struct sys_device *dev) -{ - unsigned long flags; - unsigned long now = read_persistent_clock(); - - write_seqlock_irqsave(&xtime_lock, flags); - - if (now && (now > timekeeping_suspend_time)) { - unsigned long sleep_length = now - timekeeping_suspend_time; - - xtime.tv_sec += sleep_length; - wall_to_monotonic.tv_sec -= sleep_length; - } - /* re-base the last cycle value */ - clock->cycle_last = clocksource_read(clock); - clock->error = 0; - timekeeping_suspended = 0; - write_sequnlock_irqrestore(&xtime_lock, flags); - - touch_softlockup_watchdog(); - - clockevents_notify(CLOCK_EVT_NOTIFY_RESUME, NULL); - - /* Resume hrtimers */ - hres_timers_resume(); - - return 0; -} - -static int timekeeping_suspend(struct sys_device *dev, pm_message_t state) -{ - unsigned long flags; - - write_seqlock_irqsave(&xtime_lock, flags); - timekeeping_suspended = 1; - timekeeping_suspend_time = read_persistent_clock(); - write_sequnlock_irqrestore(&xtime_lock, flags); - - clockevents_notify(CLOCK_EVT_NOTIFY_SUSPEND, NULL); - - return 0; -} - -/* sysfs resume/suspend bits for timekeeping */ -static struct sysdev_class timekeeping_sysclass = { - .resume = timekeeping_resume, - .suspend = timekeeping_suspend, - set_kset_name("timekeeping"), -}; - -static struct sys_device device_timer = { - .id = 0, - .cls = &timekeeping_sysclass, -}; - -static int __init timekeeping_init_device(void) -{ - int error = sysdev_class_register(&timekeeping_sysclass); - if (!error) - error = sysdev_register(&device_timer); - return error; -} - -device_initcall(timekeeping_init_device); - -/* - * If the error is already larger, we look ahead even further - * to compensate for late or lost adjustments. - */ -static __always_inline int clocksource_bigadjust(s64 error, s64 *interval, - s64 *offset) -{ - s64 tick_error, i; - u32 look_ahead, adj; - s32 error2, mult; - - /* - * Use the current error value to determine how much to look ahead. - * The larger the error the slower we adjust for it to avoid problems - * with losing too many ticks, otherwise we would overadjust and - * produce an even larger error. The smaller the adjustment the - * faster we try to adjust for it, as lost ticks can do less harm - * here. This is tuned so that an error of about 1 msec is adusted - * within about 1 sec (or 2^20 nsec in 2^SHIFT_HZ ticks). - */ - error2 = clock->error >> (TICK_LENGTH_SHIFT + 22 - 2 * SHIFT_HZ); - error2 = abs(error2); - for (look_ahead = 0; error2 > 0; look_ahead++) - error2 >>= 2; - - /* - * Now calculate the error in (1 << look_ahead) ticks, but first - * remove the single look ahead already included in the error. - */ - tick_error = current_tick_length() >> - (TICK_LENGTH_SHIFT - clock->shift + 1); - tick_error -= clock->xtime_interval >> 1; - error = ((error - tick_error) >> look_ahead) + tick_error; - - /* Finally calculate the adjustment shift value. */ - i = *interval; - mult = 1; - if (error < 0) { - error = -error; - *interval = -*interval; - *offset = -*offset; - mult = -1; - } - for (adj = 0; error > i; adj++) - error >>= 1; - - *interval <<= adj; - *offset <<= adj; - return mult << adj; -} - -/* - * Adjust the multiplier to reduce the error value, - * this is optimized for the most common adjustments of -1,0,1, - * for other values we can do a bit more work. - */ -static void clocksource_adjust(struct clocksource *clock, s64 offset) -{ - s64 error, interval = clock->cycle_interval; - int adj; - - error = clock->error >> (TICK_LENGTH_SHIFT - clock->shift - 1); - if (error > interval) { - error >>= 2; - if (likely(error <= interval)) - adj = 1; - else - adj = clocksource_bigadjust(error, &interval, &offset); - } else if (error < -interval) { - error >>= 2; - if (likely(error >= -interval)) { - adj = -1; - interval = -interval; - offset = -offset; - } else - adj = clocksource_bigadjust(error, &interval, &offset); - } else - return; - - clock->mult += adj; - clock->xtime_interval += interval; - clock->xtime_nsec -= offset; - clock->error -= (interval - offset) << - (TICK_LENGTH_SHIFT - clock->shift); -} - -/** - * update_wall_time - Uses the current clocksource to increment the wall time - * - * Called from the timer interrupt, must hold a write on xtime_lock. - */ -static void update_wall_time(void) -{ - cycle_t offset; - - /* Make sure we're fully resumed: */ - if (unlikely(timekeeping_suspended)) - return; - -#ifdef CONFIG_GENERIC_TIME - offset = (clocksource_read(clock) - clock->cycle_last) & clock->mask; -#else - offset = clock->cycle_interval; -#endif - clock->xtime_nsec += (s64)xtime.tv_nsec << clock->shift; - - /* normally this loop will run just once, however in the - * case of lost or late ticks, it will accumulate correctly. - */ - while (offset >= clock->cycle_interval) { - /* accumulate one interval */ - clock->xtime_nsec += clock->xtime_interval; - clock->cycle_last += clock->cycle_interval; - offset -= clock->cycle_interval; - - if (clock->xtime_nsec >= (u64)NSEC_PER_SEC << clock->shift) { - clock->xtime_nsec -= (u64)NSEC_PER_SEC << clock->shift; - xtime.tv_sec++; - second_overflow(); - } - - /* interpolator bits */ - time_interpolator_update(clock->xtime_interval - >> clock->shift); - - /* accumulate error between NTP and clock interval */ - clock->error += current_tick_length(); - clock->error -= clock->xtime_interval << (TICK_LENGTH_SHIFT - clock->shift); - } - - /* correct the clock when NTP error is too big */ - clocksource_adjust(clock, offset); - - /* store full nanoseconds into xtime */ - xtime.tv_nsec = (s64)clock->xtime_nsec >> clock->shift; - clock->xtime_nsec -= (s64)xtime.tv_nsec << clock->shift; - - /* check to see if there is a new clocksource to use */ - change_clocksource(); - update_vsyscall(&xtime, clock); -} - /* * Called from the timer interrupt handler to charge one tick to the current * process. user_tick is 1 if the tick is user time, 0 for system. @@ -1264,14 +857,6 @@ static inline void calc_load(unsigned long ticks) } /* - * This read-write spinlock protects us from races in SMP while - * playing with xtime and avenrun. - */ -__attribute__((weak)) __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock); - -EXPORT_SYMBOL(xtime_lock); - -/* * This function runs timers and the timer-tq in bottom half context. */ static void run_timer_softirq(struct softirq_action *h) @@ -1617,6 +1202,13 @@ static int __devinit init_timers_cpu(int cpu) cpu_to_node(cpu)); if (!base) return -ENOMEM; + + /* Make sure that tvec_base is 2 byte aligned */ + if (tbase_get_deferrable(base)) { + WARN_ON(1); + kfree(base); + return -ENOMEM; + } memset(base, 0, sizeof(*base)); per_cpu(tvec_bases, cpu) = base; } else { @@ -1656,9 +1248,9 @@ static void migrate_timer_list(tvec_base_t *new_base, struct list_head *head) struct timer_list *timer; while (!list_empty(head)) { - timer = list_entry(head->next, struct timer_list, entry); + timer = list_first_entry(head, struct timer_list, entry); detach_timer(timer, 0); - timer->base = new_base; + timer_set_base(timer, new_base); internal_add_timer(new_base, timer); } } diff --git a/kernel/uid16.c b/kernel/uid16.c index 187e2a42387..dd308ba4e03 100644 --- a/kernel/uid16.c +++ b/kernel/uid16.c @@ -6,7 +6,6 @@ #include <linux/mm.h> #include <linux/utsname.h> #include <linux/mman.h> -#include <linux/smp_lock.h> #include <linux/notifier.h> #include <linux/reboot.h> #include <linux/prctl.h> diff --git a/kernel/utsname.c b/kernel/utsname.c index c859164a699..160c8c5136b 100644 --- a/kernel/utsname.c +++ b/kernel/utsname.c @@ -32,58 +32,25 @@ static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_ns) } /* - * unshare the current process' utsname namespace. - * called only in sys_unshare() - */ -int unshare_utsname(unsigned long unshare_flags, struct uts_namespace **new_uts) -{ - if (unshare_flags & CLONE_NEWUTS) { - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - - *new_uts = clone_uts_ns(current->nsproxy->uts_ns); - if (!*new_uts) - return -ENOMEM; - } - - return 0; -} - -/* * Copy task tsk's utsname namespace, or clone it if flags * specifies CLONE_NEWUTS. In latter case, changes to the * utsname of this process won't be seen by parent, and vice * versa. */ -int copy_utsname(int flags, struct task_struct *tsk) +struct uts_namespace *copy_utsname(int flags, struct uts_namespace *old_ns) { - struct uts_namespace *old_ns = tsk->nsproxy->uts_ns; struct uts_namespace *new_ns; - int err = 0; - - if (!old_ns) - return 0; + BUG_ON(!old_ns); get_uts_ns(old_ns); if (!(flags & CLONE_NEWUTS)) - return 0; - - if (!capable(CAP_SYS_ADMIN)) { - err = -EPERM; - goto out; - } + return old_ns; new_ns = clone_uts_ns(old_ns); - if (!new_ns) { - err = -ENOMEM; - goto out; - } - tsk->nsproxy->uts_ns = new_ns; -out: put_uts_ns(old_ns); - return err; + return new_ns; } void free_uts_ns(struct kref *kref) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 9a287796da8..ee05b8a061b 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -86,23 +86,6 @@ config DEBUG_SHIRQ Drivers ought to be able to handle interrupts coming in at those points; some don't and need to be caught. -config LOG_BUF_SHIFT - int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" if DEBUG_KERNEL - range 12 21 - default 17 if S390 || LOCKDEP - default 16 if X86_NUMAQ || IA64 - default 15 if SMP - default 14 - help - Select kernel log buffer size as a power of 2. - Defaults and Examples: - 17 => 128 KB for S/390 - 16 => 64 KB for x86 NUMAQ or IA-64 - 15 => 32 KB for SMP - 14 => 16 KB for uniprocessor - 13 => 8 KB - 12 => 4 KB - config DETECT_SOFTLOCKUP bool "Detect Soft Lockups" depends on DEBUG_KERNEL && !S390 @@ -201,6 +184,16 @@ config DEBUG_MUTEXES This feature allows mutex semantics violations to be detected and reported. +config DEBUG_SEMAPHORE + bool "Semaphore debugging" + depends on DEBUG_KERNEL + depends on ALPHA || FRV + default n + help + If you say Y here then semaphore processing will issue lots of + verbose debugging messages. If you suspect a semaphore problem or a + kernel hacker asks for this option then say Y. Otherwise say N. + config DEBUG_LOCK_ALLOC bool "Lock debugging: detect incorrect freeing of live locks" depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT diff --git a/lib/fault-inject.c b/lib/fault-inject.c index 0fabd12c39d..b18fc2ff9ff 100644 --- a/lib/fault-inject.c +++ b/lib/fault-inject.c @@ -72,9 +72,8 @@ static bool fail_stacktrace(struct fault_attr *attr) trace.entries = entries; trace.max_entries = depth; trace.skip = 1; - trace.all_contexts = 0; - save_stack_trace(&trace, NULL); + save_stack_trace(&trace); for (n = 0; n < trace.nr_entries; n++) { if (attr->reject_start <= entries[n] && entries[n] < attr->reject_end) diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 9970e55c90b..10c13ad0d82 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -778,7 +778,6 @@ swiotlb_dma_supported(struct device *hwdev, u64 mask) return virt_to_bus(io_tlb_end - 1) <= mask; } -EXPORT_SYMBOL(swiotlb_init); EXPORT_SYMBOL(swiotlb_map_single); EXPORT_SYMBOL(swiotlb_unmap_single); EXPORT_SYMBOL(swiotlb_map_sg); diff --git a/lib/vsprintf.c b/lib/vsprintf.c index cbab1df150c..01729024126 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -825,6 +825,17 @@ int vsscanf(const char * buf, const char * fmt, va_list args) break; str = next; } + + /* + * Now we've come all the way through so either the input string or the + * format ended. In the former case, there can be a %n at the current + * position in the format that needs to be filled. + */ + if (*fmt == '%' && *(fmt + 1) == 'n') { + int *p = (int *)va_arg(args, int *); + *p = str - buf; + } + return num; } diff --git a/mm/filemap.c b/mm/filemap.c index 5631d6b2a62..9cbf4fea4a5 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1110,6 +1110,45 @@ success: return size; } +/* + * Performs necessary checks before doing a write + * @iov: io vector request + * @nr_segs: number of segments in the iovec + * @count: number of bytes to write + * @access_flags: type of access: %VERIFY_READ or %VERIFY_WRITE + * + * Adjust number of segments and amount of bytes to write (nr_segs should be + * properly initialized first). Returns appropriate error code that caller + * should return or zero in case that write should be allowed. + */ +int generic_segment_checks(const struct iovec *iov, + unsigned long *nr_segs, size_t *count, int access_flags) +{ + unsigned long seg; + size_t cnt = 0; + for (seg = 0; seg < *nr_segs; seg++) { + const struct iovec *iv = &iov[seg]; + + /* + * If any segment has a negative length, or the cumulative + * length ever wraps negative then return -EINVAL. + */ + cnt += iv->iov_len; + if (unlikely((ssize_t)(cnt|iv->iov_len) < 0)) + return -EINVAL; + if (access_ok(access_flags, iv->iov_base, iv->iov_len)) + continue; + if (seg == 0) + return -EFAULT; + *nr_segs = seg; + cnt -= iv->iov_len; /* This segment is no good */ + break; + } + *count = cnt; + return 0; +} +EXPORT_SYMBOL(generic_segment_checks); + /** * generic_file_aio_read - generic filesystem read routine * @iocb: kernel I/O control block @@ -1131,24 +1170,9 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, loff_t *ppos = &iocb->ki_pos; count = 0; - for (seg = 0; seg < nr_segs; seg++) { - const struct iovec *iv = &iov[seg]; - - /* - * If any segment has a negative length, or the cumulative - * length ever wraps negative then return -EINVAL. - */ - count += iv->iov_len; - if (unlikely((ssize_t)(count|iv->iov_len) < 0)) - return -EINVAL; - if (access_ok(VERIFY_WRITE, iv->iov_base, iv->iov_len)) - continue; - if (seg == 0) - return -EFAULT; - nr_segs = seg; - count -= iv->iov_len; /* This segment is no good */ - break; - } + retval = generic_segment_checks(iov, &nr_segs, &count, VERIFY_WRITE); + if (retval) + return retval; /* coalesce the iovecs and go direct-to-BIO for O_DIRECT */ if (filp->f_flags & O_DIRECT) { @@ -2218,30 +2242,14 @@ __generic_file_aio_write_nolock(struct kiocb *iocb, const struct iovec *iov, size_t ocount; /* original count */ size_t count; /* after file limit checks */ struct inode *inode = mapping->host; - unsigned long seg; loff_t pos; ssize_t written; ssize_t err; ocount = 0; - for (seg = 0; seg < nr_segs; seg++) { - const struct iovec *iv = &iov[seg]; - - /* - * If any segment has a negative length, or the cumulative - * length ever wraps negative then return -EINVAL. - */ - ocount += iv->iov_len; - if (unlikely((ssize_t)(ocount|iv->iov_len) < 0)) - return -EINVAL; - if (access_ok(VERIFY_READ, iv->iov_base, iv->iov_len)) - continue; - if (seg == 0) - return -EFAULT; - nr_segs = seg; - ocount -= iv->iov_len; /* This segment is no good */ - break; - } + err = generic_segment_checks(iov, &nr_segs, &ocount, VERIFY_READ); + if (err) + return err; count = ocount; pos = *ppos; @@ -2301,10 +2309,10 @@ __generic_file_aio_write_nolock(struct kiocb *iocb, const struct iovec *iov, * semantics. */ endbyte = pos + written_buffered - written - 1; - err = do_sync_file_range(file, pos, endbyte, - SYNC_FILE_RANGE_WAIT_BEFORE| - SYNC_FILE_RANGE_WRITE| - SYNC_FILE_RANGE_WAIT_AFTER); + err = do_sync_mapping_range(file->f_mapping, pos, endbyte, + SYNC_FILE_RANGE_WAIT_BEFORE| + SYNC_FILE_RANGE_WRITE| + SYNC_FILE_RANGE_WAIT_AFTER); if (err == 0) { written = written_buffered; invalidate_mapping_pages(mapping, diff --git a/mm/mmap.c b/mm/mmap.c index 52646d61ff6..cc1f543eb1b 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1366,7 +1366,6 @@ unsigned long get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { - unsigned long ret; unsigned long (*get_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long); diff --git a/mm/nommu.c b/mm/nommu.c index 1f60194d9b9..2b16b00a5b1 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -262,6 +262,14 @@ void vunmap(void *addr) } /* + * Implement a stub for vmalloc_sync_all() if the architecture chose not to + * have one. + */ +void __attribute__((weak)) vmalloc_sync_all(void) +{ +} + +/* * sys_brk() for the most part doesn't need the global kernel * lock, except when an application is doing something nasty * like trying to un-brk an area that has already been mapped diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 029dfad5a23..63cd88840eb 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -683,12 +683,7 @@ retry: } ret = (*writepage)(page, wbc); - if (ret) { - if (ret == -ENOSPC) - set_bit(AS_ENOSPC, &mapping->flags); - else - set_bit(AS_EIO, &mapping->flags); - } + mapping_set_error(mapping, ret); if (unlikely(ret == AOP_WRITEPAGE_ACTIVATE)) unlock_page(page); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 59164313167..6fd0b7455b0 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -103,7 +103,7 @@ int min_free_kbytes = 1024; unsigned long __meminitdata nr_kernel_pages; unsigned long __meminitdata nr_all_pages; -static unsigned long __initdata dma_reserve; +static unsigned long __meminitdata dma_reserve; #ifdef CONFIG_ARCH_POPULATES_NODE_MAP /* @@ -126,10 +126,10 @@ static unsigned long __initdata dma_reserve; #endif #endif - struct node_active_region __initdata early_node_map[MAX_ACTIVE_REGIONS]; - int __initdata nr_nodemap_entries; - unsigned long __initdata arch_zone_lowest_possible_pfn[MAX_NR_ZONES]; - unsigned long __initdata arch_zone_highest_possible_pfn[MAX_NR_ZONES]; + struct node_active_region __meminitdata early_node_map[MAX_ACTIVE_REGIONS]; + int __meminitdata nr_nodemap_entries; + unsigned long __meminitdata arch_zone_lowest_possible_pfn[MAX_NR_ZONES]; + unsigned long __meminitdata arch_zone_highest_possible_pfn[MAX_NR_ZONES]; #ifdef CONFIG_MEMORY_HOTPLUG_RESERVE unsigned long __initdata node_boundary_start_pfn[MAX_NUMNODES]; unsigned long __initdata node_boundary_end_pfn[MAX_NUMNODES]; @@ -2179,7 +2179,7 @@ void __init setup_per_cpu_pageset(void) #endif -static __meminit +static __meminit noinline int zone_wait_table_init(struct zone *zone, unsigned long zone_size_pages) { int i; @@ -2267,7 +2267,7 @@ __meminit int init_currently_empty_zone(struct zone *zone, * Basic iterator support. Return the first range of PFNs for a node * Note: nid == MAX_NUMNODES returns first region regardless of node */ -static int __init first_active_region_index_in_nid(int nid) +static int __meminit first_active_region_index_in_nid(int nid) { int i; @@ -2282,7 +2282,7 @@ static int __init first_active_region_index_in_nid(int nid) * Basic iterator support. Return the next active range of PFNs for a node * Note: nid == MAX_NUMNODES returns next region regardles of node */ -static int __init next_active_region_index_in_nid(int index, int nid) +static int __meminit next_active_region_index_in_nid(int index, int nid) { for (index = index + 1; index < nr_nodemap_entries; index++) if (nid == MAX_NUMNODES || early_node_map[index].nid == nid) @@ -2435,7 +2435,7 @@ static void __init account_node_boundary(unsigned int nid, * with no available memory, a warning is printed and the start and end * PFNs will be 0. */ -void __init get_pfn_range_for_nid(unsigned int nid, +void __meminit get_pfn_range_for_nid(unsigned int nid, unsigned long *start_pfn, unsigned long *end_pfn) { int i; @@ -2460,7 +2460,7 @@ void __init get_pfn_range_for_nid(unsigned int nid, * Return the number of pages a zone spans in a node, including holes * present_pages = zone_spanned_pages_in_node() - zone_absent_pages_in_node() */ -unsigned long __init zone_spanned_pages_in_node(int nid, +unsigned long __meminit zone_spanned_pages_in_node(int nid, unsigned long zone_type, unsigned long *ignored) { @@ -2488,7 +2488,7 @@ unsigned long __init zone_spanned_pages_in_node(int nid, * Return the number of holes in a range on a node. If nid is MAX_NUMNODES, * then all holes in the requested range will be accounted for. */ -unsigned long __init __absent_pages_in_range(int nid, +unsigned long __meminit __absent_pages_in_range(int nid, unsigned long range_start_pfn, unsigned long range_end_pfn) { @@ -2548,7 +2548,7 @@ unsigned long __init absent_pages_in_range(unsigned long start_pfn, } /* Return the number of page frames in holes in a zone on a node */ -unsigned long __init zone_absent_pages_in_node(int nid, +unsigned long __meminit zone_absent_pages_in_node(int nid, unsigned long zone_type, unsigned long *ignored) { @@ -2584,7 +2584,7 @@ static inline unsigned long zone_absent_pages_in_node(int nid, #endif -static void __init calculate_node_totalpages(struct pglist_data *pgdat, +static void __meminit calculate_node_totalpages(struct pglist_data *pgdat, unsigned long *zones_size, unsigned long *zholes_size) { unsigned long realtotalpages, totalpages = 0; @@ -2692,7 +2692,7 @@ static void __meminit free_area_init_core(struct pglist_data *pgdat, } } -static void __init alloc_node_mem_map(struct pglist_data *pgdat) +static void __meminit alloc_node_mem_map(struct pglist_data *pgdat) { /* Skip empty nodes */ if (!pgdat->node_spanned_pages) diff --git a/mm/rmap.c b/mm/rmap.c index 75a32be64a2..304f51985c7 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -505,6 +505,7 @@ int page_mkclean(struct page *page) return ret; } +EXPORT_SYMBOL_GPL(page_mkclean); /** * page_set_anon_rmap - setup new anonymous rmap diff --git a/mm/slab.c b/mm/slab.c index 5920a412b37..acda7e2d66e 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -148,10 +148,11 @@ * Usually, the kmalloc caches are cache_line_size() aligned, except when * DEBUG and FORCED_DEBUG are enabled, then they are BYTES_PER_WORD aligned. * Some archs want to perform DMA into kmalloc caches and need a guaranteed - * alignment larger than BYTES_PER_WORD. ARCH_KMALLOC_MINALIGN allows that. - * Note that this flag disables some debug features. + * alignment larger than the alignment of a 64-bit integer. + * ARCH_KMALLOC_MINALIGN allows that. + * Note that increasing this value may disable some debug features. */ -#define ARCH_KMALLOC_MINALIGN 0 +#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long) #endif #ifndef ARCH_SLAB_MINALIGN @@ -536,19 +537,22 @@ static int obj_size(struct kmem_cache *cachep) return cachep->obj_size; } -static unsigned long *dbg_redzone1(struct kmem_cache *cachep, void *objp) +static unsigned long long *dbg_redzone1(struct kmem_cache *cachep, void *objp) { BUG_ON(!(cachep->flags & SLAB_RED_ZONE)); - return (unsigned long*) (objp+obj_offset(cachep)-BYTES_PER_WORD); + return (unsigned long long*) (objp + obj_offset(cachep) - + sizeof(unsigned long long)); } -static unsigned long *dbg_redzone2(struct kmem_cache *cachep, void *objp) +static unsigned long long *dbg_redzone2(struct kmem_cache *cachep, void *objp) { BUG_ON(!(cachep->flags & SLAB_RED_ZONE)); if (cachep->flags & SLAB_STORE_USER) - return (unsigned long *)(objp + cachep->buffer_size - - 2 * BYTES_PER_WORD); - return (unsigned long *)(objp + cachep->buffer_size - BYTES_PER_WORD); + return (unsigned long long *)(objp + cachep->buffer_size - + sizeof(unsigned long long) - + BYTES_PER_WORD); + return (unsigned long long *) (objp + cachep->buffer_size - + sizeof(unsigned long long)); } static void **dbg_userword(struct kmem_cache *cachep, void *objp) @@ -561,8 +565,8 @@ static void **dbg_userword(struct kmem_cache *cachep, void *objp) #define obj_offset(x) 0 #define obj_size(cachep) (cachep->buffer_size) -#define dbg_redzone1(cachep, objp) ({BUG(); (unsigned long *)NULL;}) -#define dbg_redzone2(cachep, objp) ({BUG(); (unsigned long *)NULL;}) +#define dbg_redzone1(cachep, objp) ({BUG(); (unsigned long long *)NULL;}) +#define dbg_redzone2(cachep, objp) ({BUG(); (unsigned long long *)NULL;}) #define dbg_userword(cachep, objp) ({BUG(); (void **)NULL;}) #endif @@ -1776,7 +1780,7 @@ static void print_objinfo(struct kmem_cache *cachep, void *objp, int lines) char *realobj; if (cachep->flags & SLAB_RED_ZONE) { - printk(KERN_ERR "Redzone: 0x%lx/0x%lx.\n", + printk(KERN_ERR "Redzone: 0x%llx/0x%llx.\n", *dbg_redzone1(cachep, objp), *dbg_redzone2(cachep, objp)); } @@ -2239,7 +2243,7 @@ kmem_cache_create (const char *name, size_t size, size_t align, * is greater than BYTES_PER_WORD. */ if (flags & SLAB_RED_ZONE || flags & SLAB_STORE_USER) - ralign = BYTES_PER_WORD; + ralign = __alignof__(unsigned long long); /* 2) arch mandated alignment */ if (ralign < ARCH_SLAB_MINALIGN) { @@ -2250,7 +2254,7 @@ kmem_cache_create (const char *name, size_t size, size_t align, ralign = align; } /* disable debug if necessary */ - if (ralign > BYTES_PER_WORD) + if (ralign > __alignof__(unsigned long long)) flags &= ~(SLAB_RED_ZONE | SLAB_STORE_USER); /* * 4) Store it. @@ -2271,8 +2275,8 @@ kmem_cache_create (const char *name, size_t size, size_t align, */ if (flags & SLAB_RED_ZONE) { /* add space for red zone words */ - cachep->obj_offset += BYTES_PER_WORD; - size += 2 * BYTES_PER_WORD; + cachep->obj_offset += sizeof(unsigned long long); + size += 2 * sizeof(unsigned long long); } if (flags & SLAB_STORE_USER) { /* user store requires one word storage behind the end of @@ -2833,7 +2837,7 @@ static void kfree_debugcheck(const void *objp) static inline void verify_redzone_free(struct kmem_cache *cache, void *obj) { - unsigned long redzone1, redzone2; + unsigned long long redzone1, redzone2; redzone1 = *dbg_redzone1(cache, obj); redzone2 = *dbg_redzone2(cache, obj); @@ -2849,7 +2853,7 @@ static inline void verify_redzone_free(struct kmem_cache *cache, void *obj) else slab_error(cache, "memory outside object was overwritten"); - printk(KERN_ERR "%p: redzone 1:0x%lx, redzone 2:0x%lx.\n", + printk(KERN_ERR "%p: redzone 1:0x%llx, redzone 2:0x%llx.\n", obj, redzone1, redzone2); } @@ -3065,7 +3069,7 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep, slab_error(cachep, "double free, or memory outside" " object was overwritten"); printk(KERN_ERR - "%p: redzone 1:0x%lx, redzone 2:0x%lx\n", + "%p: redzone 1:0x%llx, redzone 2:0x%llx\n", objp, *dbg_redzone1(cachep, objp), *dbg_redzone2(cachep, objp)); } @@ -4428,16 +4432,12 @@ static void handle_slab(unsigned long *n, struct kmem_cache *c, struct slab *s) static void show_symbol(struct seq_file *m, unsigned long address) { #ifdef CONFIG_KALLSYMS - char *modname; - const char *name; unsigned long offset, size; - char namebuf[KSYM_NAME_LEN+1]; - - name = kallsyms_lookup(address, &size, &offset, &modname, namebuf); + char modname[MODULE_NAME_LEN + 1], name[KSYM_NAME_LEN + 1]; - if (name) { + if (lookup_symbol_attrs(address, &size, &offset, modname, name) == 0) { seq_printf(m, "%s+%#lx/%#lx", name, offset, size); - if (modname) + if (modname[0]) seq_printf(m, " [%s]", modname); return; } diff --git a/mm/sparse.c b/mm/sparse.c index 893e5621c24..6f3fff907bc 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -44,7 +44,7 @@ EXPORT_SYMBOL(page_to_nid); #endif #ifdef CONFIG_SPARSEMEM_EXTREME -static struct mem_section *sparse_index_alloc(int nid) +static struct mem_section noinline *sparse_index_alloc(int nid) { struct mem_section *section = NULL; unsigned long array_size = SECTIONS_PER_ROOT * @@ -61,7 +61,7 @@ static struct mem_section *sparse_index_alloc(int nid) return section; } -static int sparse_index_init(unsigned long section_nr, int nid) +static int __meminit sparse_index_init(unsigned long section_nr, int nid) { static DEFINE_SPINLOCK(index_init_lock); unsigned long root = SECTION_NR_TO_ROOT(section_nr); @@ -138,7 +138,7 @@ static inline int sparse_early_nid(struct mem_section *section) } /* Record a memory area against a node. */ -void memory_present(int nid, unsigned long start, unsigned long end) +void __init memory_present(int nid, unsigned long start, unsigned long end) { unsigned long pfn; @@ -197,7 +197,7 @@ struct page *sparse_decode_mem_map(unsigned long coded_mem_map, unsigned long pn return ((struct page *)coded_mem_map) + section_nr_to_pfn(pnum); } -static int sparse_init_one_section(struct mem_section *ms, +static int __meminit sparse_init_one_section(struct mem_section *ms, unsigned long pnum, struct page *mem_map) { if (!valid_section(ms)) @@ -209,7 +209,7 @@ static int sparse_init_one_section(struct mem_section *ms, return 1; } -static struct page *sparse_early_mem_map_alloc(unsigned long pnum) +static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum) { struct page *map; struct mem_section *ms = __nr_to_section(pnum); @@ -288,6 +288,7 @@ void __init sparse_init(void) } } +#ifdef CONFIG_MEMORY_HOTPLUG /* * returns the number of sections whose mem_maps were properly * set. If this is <=0, then that means that the passed-in @@ -327,3 +328,4 @@ out: __kfree_section_memmap(memmap, nr_pages); return ret; } +#endif diff --git a/mm/vmalloc.c b/mm/vmalloc.c index cb5aabda704..faa2a521dea 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -755,3 +755,10 @@ out_einval_locked: } EXPORT_SYMBOL(remap_vmalloc_range); +/* + * Implement a stub for vmalloc_sync_all() if the architecture chose not to + * have one. + */ +void __attribute__((weak)) vmalloc_sync_all(void) +{ +} diff --git a/mm/vmscan.c b/mm/vmscan.c index 56651a10c36..1c8e75a1cfc 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -284,12 +284,8 @@ static void handle_write_error(struct address_space *mapping, struct page *page, int error) { lock_page(page); - if (page_mapping(page) == mapping) { - if (error == -ENOSPC) - set_bit(AS_ENOSPC, &mapping->flags); - else - set_bit(AS_EIO, &mapping->flags); - } + if (page_mapping(page) == mapping) + mapping_set_error(mapping, error); unlock_page(page); } diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index f6a92a0b7aa..fbdfb1224ae 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1844,7 +1844,6 @@ static const struct proto_ops SOCKOPS_WRAPPED(atalk_dgram_ops) = { .sendpage = sock_no_sendpage, }; -#include <linux/smp_lock.h> SOCKOPS_WRAP(atalk_dgram, PF_APPLETALK); static struct notifier_block ddp_notifier = { diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 6ded95272a5..429e13a6c6a 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -23,7 +23,6 @@ #include <linux/sched.h> #include <linux/timer.h> #include <linux/string.h> -#include <linux/smp_lock.h> #include <linux/sockios.h> #include <linux/net.h> #include <net/ax25.h> diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index ab2db55982c..1c8f4a0c5f4 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -37,7 +37,6 @@ #include <linux/init.h> #include <linux/wait.h> #include <linux/errno.h> -#include <linux/smp_lock.h> #include <linux/net.h> #include <net/sock.h> diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c index ebb0861e9bd..0e035d6162c 100644 --- a/net/bridge/br_stp.c +++ b/net/bridge/br_stp.c @@ -13,7 +13,6 @@ * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> -#include <linux/smp_lock.h> #include "br_private.h" #include "br_private_stp.h" diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index 3e246b37020..a786e786320 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -14,7 +14,6 @@ */ #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/etherdevice.h> #include <linux/rtnetlink.h> diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c index 030aa798fea..24e0ca4a313 100644 --- a/net/bridge/br_stp_timer.c +++ b/net/bridge/br_stp_timer.c @@ -15,7 +15,6 @@ #include <linux/kernel.h> #include <linux/times.h> -#include <linux/smp_lock.h> #include "br_private.h" #include "br_private_stp.h" diff --git a/net/core/netpoll.c b/net/core/netpoll.c index b316435b0e2..758dafe284c 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -9,7 +9,6 @@ * Copyright (C) 2002 Red Hat, Inc. */ -#include <linux/smp_lock.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/string.h> diff --git a/net/core/pktgen.c b/net/core/pktgen.c index b92a322872a..9cd3a1cb60e 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -117,7 +117,6 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> #include <linux/sched.h> #include <linux/slab.h> diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 16aae8ef555..041fba3fa0a 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -92,7 +92,6 @@ #include <asm/uaccess.h> #include <asm/system.h> -#include <linux/smp_lock.h> #include <linux/inet.h> #include <linux/igmp.h> #include <linux/inetdevice.h> diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 8b124eafbb9..bd4c295f5d7 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -252,7 +252,6 @@ #include <linux/fcntl.h> #include <linux/poll.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/random.h> #include <linux/bootmem.h> diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 0faacf9c419..53232dd6fb4 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -40,7 +40,6 @@ #include <linux/compiler.h> #include <linux/module.h> -#include <linux/smp_lock.h> /* People can turn this off for buggy TCP's found in printers etc. */ int sysctl_tcp_retrans_collapse __read_mostly = 1; diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 18cb928c8d9..6dd377253cf 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -42,7 +42,6 @@ #include <linux/inet.h> #include <linux/netdevice.h> #include <linux/icmpv6.h> -#include <linux/smp_lock.h> #include <linux/netfilter_ipv6.h> #include <net/ip.h> diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c index 392f8bc9269..15419dd682f 100644 --- a/net/ipx/af_ipx.c +++ b/net/ipx/af_ipx.c @@ -1961,7 +1961,6 @@ static const struct proto_ops SOCKOPS_WRAPPED(ipx_dgram_ops) = { .sendpage = sock_no_sendpage, }; -#include <linux/smp_lock.h> SOCKOPS_WRAP(ipx_dgram, PF_IPX); static struct packet_type ipx_8023_packet_type = { diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 06c97c60d54..dcd7e325b28 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -2538,7 +2538,6 @@ static const struct proto_ops SOCKOPS_WRAPPED(irda_ultra_ops) = { }; #endif /* CONFIG_IRDA_ULTRA */ -#include <linux/smp_lock.h> SOCKOPS_WRAP(irda_stream, PF_IRDA); SOCKOPS_WRAP(irda_seqpacket, PF_IRDA); SOCKOPS_WRAP(irda_dgram, PF_IRDA); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 507828d7d4a..1f15821c8da 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -45,7 +45,6 @@ #include <linux/rtnetlink.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/notifier.h> #include <linux/security.h> #include <linux/jhash.h> diff --git a/net/socket.c b/net/socket.c index 759825b7ca2..98a8f67abbf 100644 --- a/net/socket.c +++ b/net/socket.c @@ -313,8 +313,19 @@ static int sockfs_delete_dentry(struct dentry *dentry) dentry->d_flags |= DCACHE_UNHASHED; return 0; } + +/* + * sockfs_dname() is called from d_path(). + */ +static char *sockfs_dname(struct dentry *dentry, char *buffer, int buflen) +{ + return dynamic_dname(dentry, buffer, buflen, "socket:[%lu]", + dentry->d_inode->i_ino); +} + static struct dentry_operations sockfs_dentry_operations = { .d_delete = sockfs_delete_dentry, + .d_dname = sockfs_dname, }; /* @@ -354,14 +365,9 @@ static int sock_alloc_fd(struct file **filep) static int sock_attach_fd(struct socket *sock, struct file *file) { - struct qstr this; - char name[32]; - - this.len = sprintf(name, "[%lu]", SOCK_INODE(sock)->i_ino); - this.name = name; - this.hash = 0; + struct qstr name = { .name = "" }; - file->f_path.dentry = d_alloc(sock_mnt->mnt_sb->s_root, &this); + file->f_path.dentry = d_alloc(sock_mnt->mnt_sb->s_root, &name); if (unlikely(!file->f_path.dentry)) return -ENOMEM; diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index aec8cf165e1..fc12ba51c1f 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -111,7 +111,6 @@ #include <net/scm.h> #include <linux/init.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include <linux/rtnetlink.h> #include <linux/mount.h> #include <net/checksum.h> diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 0d6002fc77b..479927cb45c 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -1605,7 +1605,6 @@ static const struct proto_ops SOCKOPS_WRAPPED(x25_proto_ops) = { .sendpage = sock_no_sendpage, }; -#include <linux/smp_lock.h> SOCKOPS_WRAP(x25_proto, AF_X25); static struct packet_type x25_packet_type = { diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 8be269ffbf9..a325a0c890d 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -159,7 +159,8 @@ my $warnings = 0; my $type_constant = '\%([-_\w]+)'; my $type_func = '(\w+)\(\)'; my $type_param = '\@(\w+)'; -my $type_struct = '\&((struct\s*)?[_\w]+)'; +my $type_struct = '\&((struct\s*)*[_\w]+)'; +my $type_struct_xml = '\\\amp;((struct\s*)*[_\w]+)'; my $type_env = '(\$\w+)'; # Output conversion substitutions. @@ -168,7 +169,8 @@ my $type_env = '(\$\w+)'; # these work fairly well my %highlights_html = ( $type_constant, "<i>\$1</i>", $type_func, "<b>\$1</b>", - $type_struct, "<i>\$1</i>", + $type_struct_xml, "<i>\$1</i>", + $type_env, "<b><i>\$1</i></b>", $type_param, "<tt><b>\$1</b></tt>" ); my $blankline_html = "<p>"; @@ -326,12 +328,21 @@ while ($ARGV[0] =~ m/^-(.*)/) { } } +# get kernel version from env +sub get_kernel_version() { + my $version; + + if (defined($ENV{'KERNELVERSION'})) { + $version = $ENV{'KERNELVERSION'}; + } + return $version; +} # generate a sequence of code that will splice in highlighting information # using the s// operator. my $dohighlight = ""; foreach my $pattern (keys %highlights) { -# print "scanning pattern $pattern ($highlights{$pattern})\n"; +# print STDERR "scanning pattern:$pattern, highlight:($highlights{$pattern})\n"; $dohighlight .= "\$contents =~ s:$pattern:$highlights{$pattern}:gs;\n"; } @@ -378,13 +389,19 @@ sub output_highlight { # confess "output_highlight got called with no args?\n"; # } +# print STDERR "contents b4:$contents\n"; eval $dohighlight; die $@ if $@; + if ($output_mode eq "html") { + $contents =~ s/\\\\//; + } +# print STDERR "contents af:$contents\n"; + foreach $line (split "\n", $contents) { - if ($line eq ""){ + if ($line eq ""){ print $lineprefix, $blankline; } else { - $line =~ s/\\\\\\/\&/g; + $line =~ s/\\\\\\/\&/g; print $lineprefix, $line; } print "\n"; @@ -414,7 +431,7 @@ sub output_enum_html(%) { print "<b>enum ".$args{'enum'}."</b> {<br>\n"; $count = 0; foreach $parameter (@{$args{'parameterlist'}}) { - print " <b>".$parameter."</b>"; + print " <b>".$parameter."</b>"; if ($count != $#{$args{'parameterlist'}}) { $count++; print ",\n"; @@ -462,15 +479,16 @@ sub output_struct_html(%) { my $parameter_name = $parameter; $parameter_name =~ s/\[.*//; - ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; $type = $args{'parametertypes'}{$parameter}; if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { # pointer-to-function - print " <i>$1</i><b>$parameter</b>) <i>($2)</i>;<br>\n"; + print " <i>$1</i><b>$parameter</b>) <i>($2)</i>;<br>\n"; } elsif ($type =~ m/^(.*?)\s*(:.*)/) { - print " <i>$1</i> <b>$parameter</b>$2;<br>\n"; + # bitfield + print " <i>$1</i> <b>$parameter</b>$2;<br>\n"; } else { - print " <i>$type</i> <b>$parameter</b>;<br>\n"; + print " <i>$type</i> <b>$parameter</b>;<br>\n"; } } print "};<br>\n"; @@ -483,7 +501,7 @@ sub output_struct_html(%) { my $parameter_name = $parameter; $parameter_name =~ s/\[.*//; - ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; print "<dt><b>".$parameter."</b>\n"; print "<dd>"; output_highlight($args{'parameterdescs'}{$parameter_name}); @@ -525,7 +543,7 @@ sub output_function_html(%) { my $parameter_name = $parameter; $parameter_name =~ s/\[.*//; - ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; print "<dt><b>".$parameter."</b>\n"; print "<dd>"; output_highlight($args{'parameterdescs'}{$parameter_name}); @@ -592,6 +610,7 @@ sub output_function_xml(%) { print "<refmeta>\n"; print " <refentrytitle><phrase>".$args{'function'}."</phrase></refentrytitle>\n"; print " <manvolnum>9</manvolnum>\n"; + print " <refmiscinfo class=\"version\">" . get_kernel_version() . "</refmiscinfo>\n"; print "</refmeta>\n"; print "<refnamediv>\n"; print " <refname>".$args{'function'}."</refname>\n"; @@ -668,6 +687,7 @@ sub output_struct_xml(%) { print "<refmeta>\n"; print " <refentrytitle><phrase>".$args{'type'}." ".$args{'struct'}."</phrase></refentrytitle>\n"; print " <manvolnum>9</manvolnum>\n"; + print " <refmiscinfo class=\"version\">" . get_kernel_version() . "</refmiscinfo>\n"; print "</refmeta>\n"; print "<refnamediv>\n"; print " <refname>".$args{'type'}." ".$args{'struct'}."</refname>\n"; @@ -691,7 +711,7 @@ sub output_struct_xml(%) { $parameter_name =~ s/\[.*//; defined($args{'parameterdescs'}{$parameter_name}) || next; - ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; $type = $args{'parametertypes'}{$parameter}; if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { # pointer-to-function @@ -752,6 +772,7 @@ sub output_enum_xml(%) { print "<refmeta>\n"; print " <refentrytitle><phrase>enum ".$args{'enum'}."</phrase></refentrytitle>\n"; print " <manvolnum>9</manvolnum>\n"; + print " <refmiscinfo class=\"version\">" . get_kernel_version() . "</refmiscinfo>\n"; print "</refmeta>\n"; print "<refnamediv>\n"; print " <refname>enum ".$args{'enum'}."</refname>\n"; @@ -767,11 +788,11 @@ sub output_enum_xml(%) { print "enum ".$args{'enum'}." {\n"; $count = 0; foreach $parameter (@{$args{'parameterlist'}}) { - print " $parameter"; - if ($count != $#{$args{'parameterlist'}}) { + print " $parameter"; + if ($count != $#{$args{'parameterlist'}}) { $count++; print ","; - } + } print "\n"; } print "};"; @@ -1007,7 +1028,7 @@ sub output_enum_man(%) { print "enum ".$args{'enum'}." {\n"; $count = 0; foreach my $parameter (@{$args{'parameterlist'}}) { - print ".br\n.BI \" $parameter\"\n"; + print ".br\n.BI \" $parameter\"\n"; if ($count == $#{$args{'parameterlist'}}) { print "\n};\n"; last; @@ -1054,7 +1075,7 @@ sub output_struct_man(%) { my $parameter_name = $parameter; $parameter_name =~ s/\[.*//; - ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; $type = $args{'parametertypes'}{$parameter}; if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { # pointer-to-function @@ -1077,7 +1098,7 @@ sub output_struct_man(%) { my $parameter_name = $parameter; $parameter_name =~ s/\[.*//; - ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; print ".IP \"".$parameter."\" 12\n"; output_highlight($args{'parameterdescs'}{$parameter_name}); } @@ -1187,7 +1208,7 @@ sub output_enum_text(%) { print "enum ".$args{'enum'}." {\n"; $count = 0; foreach $parameter (@{$args{'parameterlist'}}) { - print "\t$parameter"; + print "\t$parameter"; if ($count != $#{$args{'parameterlist'}}) { $count++; print ","; @@ -1232,7 +1253,7 @@ sub output_struct_text(%) { my $parameter_name = $parameter; $parameter_name =~ s/\[.*//; - ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; $type = $args{'parametertypes'}{$parameter}; if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { # pointer-to-function @@ -1252,7 +1273,7 @@ sub output_struct_text(%) { my $parameter_name = $parameter; $parameter_name =~ s/\[.*//; - ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; + ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; print "$parameter\n\t"; print $args{'parameterdescs'}{$parameter_name}."\n"; } @@ -1284,7 +1305,7 @@ sub output_declaration { ( $function_only == 1 && defined($function_table{$name})) || ( $function_only == 2 && !defined($function_table{$name}))) { - &$func(@_); + &$func(@_); $section_counter++; } } @@ -1317,8 +1338,8 @@ sub dump_struct($$) { my $file = shift; if ($x =~/(struct|union)\s+(\w+)\s*{(.*)}/) { - $declaration_name = $2; - my $members = $3; + $declaration_name = $2; + my $members = $3; # ignore embedded structs or unions $members =~ s/{.*?}//g; @@ -1345,7 +1366,7 @@ sub dump_struct($$) { }); } else { - print STDERR "Error(${file}:$.): Cannot parse struct or union!\n"; + print STDERR "Error(${file}:$.): Cannot parse struct or union!\n"; ++$errors; } } @@ -1356,15 +1377,15 @@ sub dump_enum($$) { $x =~ s@/\*.*?\*/@@gos; # strip comments. if ($x =~ /enum\s+(\w+)\s*{(.*)}/) { - $declaration_name = $1; - my $members = $2; + $declaration_name = $1; + my $members = $2; foreach my $arg (split ',', $members) { $arg =~ s/^\s*(\w+).*/$1/; push @parameterlist, $arg; if (!$parameterdescs{$arg}) { - $parameterdescs{$arg} = $undescribed; - print STDERR "Warning(${file}:$.): Enum value '$arg' ". + $parameterdescs{$arg} = $undescribed; + print STDERR "Warning(${file}:$.): Enum value '$arg' ". "not described in enum '$declaration_name'\n"; } @@ -1382,7 +1403,7 @@ sub dump_enum($$) { }); } else { - print STDERR "Error(${file}:$.): Cannot parse enum!\n"; + print STDERR "Error(${file}:$.): Cannot parse enum!\n"; ++$errors; } } @@ -1393,12 +1414,12 @@ sub dump_typedef($$) { $x =~ s@/\*.*?\*/@@gos; # strip comments. while (($x =~ /\(*.\)\s*;$/) || ($x =~ /\[*.\]\s*;$/)) { - $x =~ s/\(*.\)\s*;$/;/; + $x =~ s/\(*.\)\s*;$/;/; $x =~ s/\[*.\]\s*;$/;/; } if ($x =~ /typedef.*\s+(\w+)\s*;/) { - $declaration_name = $1; + $declaration_name = $1; output_declaration($declaration_name, 'typedef', @@ -1410,7 +1431,7 @@ sub dump_typedef($$) { }); } else { - print STDERR "Error(${file}:$.): Cannot parse typedef!\n"; + print STDERR "Error(${file}:$.): Cannot parse typedef!\n"; ++$errors; } } @@ -1424,14 +1445,14 @@ sub create_parameterlist($$$) { # temporarily replace commas inside function pointer definition while ($args =~ /(\([^\),]+),/) { - $args =~ s/(\([^\),]+),/$1#/g; + $args =~ s/(\([^\),]+),/$1#/g; } foreach my $arg (split($splitter, $args)) { # strip comments $arg =~ s/\/\*.*\*\///; - # strip leading/trailing spaces - $arg =~ s/^\s*//; + # strip leading/trailing spaces + $arg =~ s/^\s*//; $arg =~ s/\s*$//; $arg =~ s/\s+/ /; @@ -1456,7 +1477,16 @@ sub create_parameterlist($$$) { if ($args[0] =~ m/\*/) { $args[0] =~ s/(\*+)\s*/ $1/; } - my @first_arg = split('\s+', shift @args); + + my @first_arg; + if ($args[0] =~ /^(.*\s+)(.*?\[.*\].*)$/) { + shift @args; + push(@first_arg, split('\s+', $1)); + push(@first_arg, $2); + } else { + @first_arg = split('\s+', shift @args); + } + unshift(@args, pop @first_arg); $type = join " ", @first_arg; @@ -1514,15 +1544,15 @@ sub push_parameter($$$) { $parameterdescs{$param_name} = $undescribed; if (($type eq 'function') || ($type eq 'enum')) { - print STDERR "Warning(${file}:$.): Function parameter ". + print STDERR "Warning(${file}:$.): Function parameter ". "or member '$param' not " . "described in '$declaration_name'\n"; } print STDERR "Warning(${file}:$.):". - " No description found for parameter '$param'\n"; + " No description found for parameter '$param'\n"; ++$warnings; - } - } + } + } push @parameterlist, $param; $parametertypes{$param} = $type; @@ -1664,10 +1694,10 @@ sub process_state3_function($$) { # do nothing } elsif ($x =~ /([^\{]*)/) { - $prototype .= $1; + $prototype .= $1; } if (($x =~ /\{/) || ($x =~ /\#define/) || ($x =~ /;/)) { - $prototype =~ s@/\*.*?\*/@@gos; # strip comments. + $prototype =~ s@/\*.*?\*/@@gos; # strip comments. $prototype =~ s@[\r\n]+@ @gos; # strip newlines/cr's. $prototype =~ s@^\s+@@gos; # strip leading spaces dump_function($prototype,$file); @@ -1688,17 +1718,17 @@ sub process_state3_type($$) { } while (1) { - if ( $x =~ /([^{};]*)([{};])(.*)/ ) { + if ( $x =~ /([^{};]*)([{};])(.*)/ ) { $prototype .= $1 . $2; ($2 eq '{') && $brcount++; ($2 eq '}') && $brcount--; if (($2 eq ';') && ($brcount == 0)) { - dump_declaration($prototype,$file); + dump_declaration($prototype,$file); reset_state(); - last; + last; } $x = $3; - } else { + } else { $prototype .= $x; last; } @@ -1756,7 +1786,7 @@ sub process_file($) { } else { $section = $1; } - } + } elsif (/$doc_decl/o) { $identifier = $1; if (/\s*([\w\s]+?)\s*-/) { @@ -1849,13 +1879,13 @@ sub process_file($) { } } elsif ($state == 3) { # scanning for function '{' (end of prototype) if ($decl_type eq 'function') { - process_state3_function($_, $file); + process_state3_function($_, $file); } else { - process_state3_type($_, $file); + process_state3_type($_, $file); } } elsif ($state == 4) { # Documentation block - if (/$doc_block/) { + if (/$doc_block/) { dump_section($section, $contents); output_intro({'sectionlist' => \@sectionlist, 'sections' => \%sections }); @@ -1873,7 +1903,7 @@ sub process_file($) { } else { $section = $1; } - } + } elsif (/$doc_end/) { dump_section($section, $contents); @@ -1900,8 +1930,8 @@ sub process_file($) { { $contents .= $1 . "\n"; } - } - } + } + } } if ($initial_section_counter == $section_counter) { print STDERR "Warning(${file}): no structured comments found\n"; diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 4ab36de45aa..480e18b00aa 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -642,6 +642,16 @@ static int strrcmp(const char *s, const char *sub) * tosec = .init.text * fromsec = .paravirtprobe * + * Pattern 9: + * Some of functions are common code between boot time and hotplug + * time. The bootmem allocater is called only boot time in its + * functions. So it's ok to reference. + * tosec = .init.text + * + * Pattern 10: + * ia64 has machvec table for each platform. It is mixture of function + * pointer of .init.text and .text. + * fromsec = .machvec **/ static int secref_whitelist(const char *modname, const char *tosec, const char *fromsec, const char *atsym, @@ -668,6 +678,12 @@ static int secref_whitelist(const char *modname, const char *tosec, NULL }; + const char *pat4sym[] = { + "sparse_index_alloc", + "zone_wait_table_init", + NULL + }; + /* Check for pattern 1 */ if (strcmp(tosec, ".init.data") != 0) f1 = 0; @@ -726,6 +742,17 @@ static int secref_whitelist(const char *modname, const char *tosec, (strcmp(fromsec, ".paravirtprobe") == 0)) return 1; + /* Check for pattern 9 */ + if ((strcmp(tosec, ".init.text") == 0) && + (strcmp(fromsec, ".text") == 0)) + for (s = pat4sym; *s; s++) + if (strcmp(atsym, *s) == 0) + return 1; + + /* Check for pattern 10 */ + if (strcmp(fromsec, ".machvec") == 0) + return 1; + return 0; } diff --git a/security/capability.c b/security/capability.c index b868e7eda5f..38296a00546 100644 --- a/security/capability.c +++ b/security/capability.c @@ -17,7 +17,6 @@ #include <linux/mman.h> #include <linux/pagemap.h> #include <linux/swap.h> -#include <linux/smp_lock.h> #include <linux/skbuff.h> #include <linux/netlink.h> #include <linux/ptrace.h> diff --git a/security/commoncap.c b/security/commoncap.c index 5a5ef5ca7ea..384379ede4f 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -17,7 +17,6 @@ #include <linux/mman.h> #include <linux/pagemap.h> #include <linux/swap.h> -#include <linux/smp_lock.h> #include <linux/skbuff.h> #include <linux/netlink.h> #include <linux/ptrace.h> diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 885a9a958b8..ad8dd4e8657 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -35,7 +35,6 @@ #include <linux/slab.h> #include <linux/pagemap.h> #include <linux/swap.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/syscalls.h> #include <linux/file.h> @@ -1758,12 +1757,11 @@ static inline void flush_unauthorized_files(struct files_struct * files) } } file_list_unlock(); - - /* Reset controlling tty. */ - if (drop_tty) - proc_set_tty(current, NULL); } mutex_unlock(&tty_mutex); + /* Reset controlling tty. */ + if (drop_tty) + no_tty(); /* Revalidate access to inherited open files. */ diff --git a/sound/aoa/codecs/snd-aoa-codec-onyx.c b/sound/aoa/codecs/snd-aoa-codec-onyx.c index 7f980be5d06..e91f9f66f39 100644 --- a/sound/aoa/codecs/snd-aoa-codec-onyx.c +++ b/sound/aoa/codecs/snd-aoa-codec-onyx.c @@ -1061,7 +1061,7 @@ static int onyx_i2c_attach(struct i2c_adapter *adapter) busnode = pmac_i2c_get_bus_node(bus); while ((dev = of_get_next_child(busnode, dev)) != NULL) { - if (device_is_compatible(dev, "pcm3052")) { + if (of_device_is_compatible(dev, "pcm3052")) { const u32 *addr; printk(KERN_DEBUG PFX "found pcm3052\n"); addr = of_get_property(dev, "reg", NULL); @@ -1074,7 +1074,7 @@ static int onyx_i2c_attach(struct i2c_adapter *adapter) /* if that didn't work, try desperate mode for older * machines that have stuff missing from the device tree */ - if (!device_is_compatible(busnode, "k2-i2c")) + if (!of_device_is_compatible(busnode, "k2-i2c")) return -ENODEV; printk(KERN_DEBUG PFX "found k2-i2c, checking if onyx chip is on it\n"); diff --git a/sound/aoa/codecs/snd-aoa-codec-tas.c b/sound/aoa/codecs/snd-aoa-codec-tas.c index ceca38486ea..041fe52cbf2 100644 --- a/sound/aoa/codecs/snd-aoa-codec-tas.c +++ b/sound/aoa/codecs/snd-aoa-codec-tas.c @@ -938,7 +938,7 @@ static int tas_i2c_attach(struct i2c_adapter *adapter) busnode = pmac_i2c_get_bus_node(bus); while ((dev = of_get_next_child(busnode, dev)) != NULL) { - if (device_is_compatible(dev, "tas3004")) { + if (of_device_is_compatible(dev, "tas3004")) { const u32 *addr; printk(KERN_DEBUG PFX "found tas3004\n"); addr = of_get_property(dev, "reg", NULL); diff --git a/sound/aoa/soundbus/i2sbus/i2sbus-core.c b/sound/aoa/soundbus/i2sbus/i2sbus-core.c index 79fc4bc09e5..0fccdbf5166 100644 --- a/sound/aoa/soundbus/i2sbus/i2sbus-core.c +++ b/sound/aoa/soundbus/i2sbus/i2sbus-core.c @@ -336,8 +336,8 @@ static int i2sbus_probe(struct macio_dev* dev, const struct of_device_id *match) } while ((np = of_get_next_child(dev->ofdev.node, np))) { - if (device_is_compatible(np, "i2sbus") || - device_is_compatible(np, "i2s-modem")) { + if (of_device_is_compatible(np, "i2sbus") || + of_device_is_compatible(np, "i2s-modem")) { got += i2sbus_add_dev(dev, control, np); } } diff --git a/sound/core/control.c b/sound/core/control.c index 86de7258b76..1f1ab9c1b66 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -22,7 +22,6 @@ #include <sound/driver.h> #include <linux/threads.h> #include <linux/interrupt.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/time.h> diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c index 96ffdf18c3f..51ad95b7c89 100644 --- a/sound/core/hwdep.c +++ b/sound/core/hwdep.c @@ -22,7 +22,6 @@ #include <sound/driver.h> #include <linux/major.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/time.h> #include <linux/mutex.h> diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index 74a2923eb40..fccad8f0a6b 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -21,7 +21,6 @@ #include <sound/driver.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/time.h> #include <linux/string.h> diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index c4744bb07f4..fc11572c48c 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -28,7 +28,6 @@ #include <sound/driver.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/time.h> #include <linux/vmalloc.h> diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 3e276fcf333..905234817c8 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -21,7 +21,6 @@ #include <sound/driver.h> #include <linux/mm.h> -#include <linux/smp_lock.h> #include <linux/file.h> #include <linux/slab.h> #include <linux/time.h> diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index d14dcbb6dbc..e470c3c7d61 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -23,7 +23,6 @@ #include <sound/core.h> #include <linux/major.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/time.h> diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c index 2eb987308b5..bc099239846 100644 --- a/sound/core/seq/oss/seq_oss.c +++ b/sound/core/seq/oss/seq_oss.c @@ -22,7 +22,6 @@ #include <sound/driver.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/moduleparam.h> #include <linux/mutex.h> #include <sound/core.h> diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c index 694efe832b6..b31b5282a2c 100644 --- a/sound/core/seq/seq_clientmgr.c +++ b/sound/core/seq/seq_clientmgr.c @@ -23,7 +23,6 @@ #include <sound/driver.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/minors.h> diff --git a/sound/core/timer.c b/sound/core/timer.c index 160e40ede72..67520b3c004 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -22,7 +22,6 @@ #include <sound/driver.h> #include <linux/delay.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include <linux/time.h> #include <linux/mutex.h> diff --git a/sound/oss/Kconfig b/sound/oss/Kconfig index 4c419300305..4b30ae6d8ba 100644 --- a/sound/oss/Kconfig +++ b/sound/oss/Kconfig @@ -5,23 +5,22 @@ # # Prompt user for primary drivers. -config OBSOLETE_OSS +config OSS_OBSOLETE bool "Obsolete OSS drivers" depends on SOUND_PRIME help This option enables support for obsolete OSS drivers that - are scheduled for removal in the near future since there - are ALSA drivers for the same hardware. + are scheduled for removal in the near future. Please contact Adrian Bunk <bunk@stusta.de> if you had to - say Y here because your soundcard is not properly supported + say Y here because your hardware is not properly supported by ALSA. If unsure, say N. config SOUND_BT878 tristate "BT878 audio dma" - depends on SOUND_PRIME && PCI + depends on SOUND_PRIME && PCI && OSS_OBSOLETE ---help--- Audio DMA support for bt878 based grabber boards. As you might have already noticed, bt878 is listed with two functions in /proc/pci. @@ -45,22 +44,9 @@ config SOUND_BCM_CS4297A note that CONFIG_KGDB should not be enabled at the same time, since it also attempts to use this UART port. -config SOUND_ES1371 - tristate "Creative Ensoniq AudioPCI 97 (ES1371)" - depends on SOUND_PRIME && PCI && OBSOLETE_OSS - help - Say Y or M if you have a PCI sound card utilizing the Ensoniq - ES1371 chipset, such as Ensoniq's AudioPCI97. To find out if - your sound card uses an ES1371 without removing your computer's - cover, use lspci -n and look for the PCI ID 1274:1371. Since - Ensoniq was bought by Creative Labs, Sound Blaster 64/PCI - models are either ES1370 or ES1371 based. This driver differs - slightly from OSS/Free, so PLEASE READ - <file:Documentation/sound/oss/es1371>. - config SOUND_ICH tristate "Intel ICH (i8xx) audio support" - depends on SOUND_PRIME && PCI + depends on SOUND_PRIME && PCI && OSS_OBSOLETE help Support for integral audio in Intel's I/O Controller Hub (ICH) chipset, as used on the 810/820/840 motherboards. @@ -362,7 +348,7 @@ config MSND_FIFOSIZE config SOUND_VIA82CXXX tristate "VIA 82C686 Audio Codec" - depends on SOUND_PRIME && PCI + depends on SOUND_PRIME && PCI && OSS_OBSOLETE help Say Y here to include support for the audio codec found on VIA 82Cxxx-based chips. Typically these are built into a motherboard. @@ -416,7 +402,7 @@ config SOUND_DMAP config SOUND_CS4232 tristate "Crystal CS4232 based (PnP) cards" - depends on SOUND_OSS + depends on SOUND_OSS && OSS_OBSOLETE help Say Y here if you have a card based on the Crystal CS4232 chip set, which uses its own Plug and Play protocol. @@ -735,7 +721,7 @@ config SOUND_WAVEARTIST config SOUND_TVMIXER tristate "TV card (bt848) mixer support" - depends on SOUND_PRIME && I2C && VIDEO_V4L1 + depends on SOUND_PRIME && I2C && VIDEO_V4L1 && OSS_OBSOLETE help Support for audio mixer facilities on the BT848 TV frame-grabber card. diff --git a/sound/oss/btaudio.c b/sound/oss/btaudio.c index f813ae9c213..4d5cf05b892 100644 --- a/sound/oss/btaudio.c +++ b/sound/oss/btaudio.c @@ -344,7 +344,7 @@ static int btaudio_mixer_ioctl(struct inode *inode, struct file *file, if (cmd == SOUND_OLD_MIXER_INFO) { _old_mixer_info info; memset(&info,0,sizeof(info)); - strlcpy(info.id,"bt878",sizeof(info.id)-1); + strlcpy(info.id, "bt878", sizeof(info.id)); strlcpy(info.name,"Brooktree Bt878 audio",sizeof(info.name)); if (copy_to_user(argp, &info, sizeof(info))) return -EFAULT; diff --git a/sound/oss/dmasound/Kconfig b/sound/oss/dmasound/Kconfig index 18e149f52a8..71b313479f8 100644 --- a/sound/oss/dmasound/Kconfig +++ b/sound/oss/dmasound/Kconfig @@ -12,20 +12,6 @@ config DMASOUND_ATARI want). If you want to compile it as a module, say M here and read <file:Documentation/kbuild/modules.txt>. -config DMASOUND_PMAC - tristate "PowerMac DMA sound support" - depends on PPC32 && PPC_PMAC && SOUND && I2C && OBSOLETE_OSS - select DMASOUND - help - If you want to use the internal audio of your PowerMac in Linux, - answer Y to this question. This will provide a Sun-like /dev/audio, - compatible with the Linux/i386 sound system. Otherwise, say N. - - This driver is also available as a module ( = code which can be - inserted in and removed from the running kernel whenever you - want). If you want to compile it as a module, say M here and read - <file:Documentation/kbuild/modules.txt>. - config DMASOUND_PAULA tristate "Amiga DMA sound support" depends on (AMIGA || APUS) && SOUND diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c index 730fa1d001a..8f6388004f4 100644 --- a/sound/oss/dmasound/dmasound_awacs.c +++ b/sound/oss/dmasound/dmasound_awacs.c @@ -362,7 +362,7 @@ setup_audio_gpio(const char *name, const char* compatible, int *gpio_addr, int* of_get_property(np,"audio-gpio",NULL); if (property != 0 && strcmp(property,name) == 0) break; - } else if (compatible && device_is_compatible(np, compatible)) + } else if (compatible && of_device_is_compatible(np, compatible)) break; np = of_get_next_child(gpiop, np); } @@ -2620,17 +2620,17 @@ get_codec_type(struct device_node *info) if (info) { /* must do awacs first to allow screamer to overide it */ - if (device_is_compatible(info, "awacs")) + if (of_device_is_compatible(info, "awacs")) codec = AWACS_AWACS ; - if (device_is_compatible(info, "screamer")) + if (of_device_is_compatible(info, "screamer")) codec = AWACS_SCREAMER; - if (device_is_compatible(info, "burgundy")) + if (of_device_is_compatible(info, "burgundy")) codec = AWACS_BURGUNDY ; - if (device_is_compatible(info, "daca")) + if (of_device_is_compatible(info, "daca")) codec = AWACS_DACA; - if (device_is_compatible(info, "tumbler")) + if (of_device_is_compatible(info, "tumbler")) codec = AWACS_TUMBLER; - if (device_is_compatible(info, "snapper")) + if (of_device_is_compatible(info, "snapper")) codec = AWACS_SNAPPER; } return codec ; @@ -2772,7 +2772,7 @@ set_hw_byteswap(struct device_node *io) for (mio = io->parent; mio ; mio = mio->parent) { if (strcmp(mio->name, "mac-io") == 0) { - if (device_is_compatible(mio, "Keylargo")) + if (of_device_is_compatible(mio, "Keylargo")) kl = 1; break; } diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c index 016b918329a..a8057f25955 100644 --- a/sound/oss/swarm_cs4297a.c +++ b/sound/oss/swarm_cs4297a.c @@ -75,7 +75,6 @@ #include <linux/interrupt.h> #include <linux/init.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include <linux/mutex.h> #include <linux/kernel.h> diff --git a/sound/oss/trident.c b/sound/oss/trident.c index 72a8a0ed36a..d98d311542e 100644 --- a/sound/oss/trident.c +++ b/sound/oss/trident.c @@ -207,7 +207,6 @@ #include <linux/init.h> #include <linux/poll.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/ac97_codec.h> #include <linux/bitops.h> #include <linux/proc_fs.h> diff --git a/sound/oss/via82cxxx_audio.c b/sound/oss/via82cxxx_audio.c index 7ab3a732e18..5d3c0372df3 100644 --- a/sound/oss/via82cxxx_audio.c +++ b/sound/oss/via82cxxx_audio.c @@ -32,7 +32,6 @@ #include <linux/poll.h> #include <linux/soundcard.h> #include <linux/ac97_codec.h> -#include <linux/smp_lock.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/dma-mapping.h> diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c index 2bae9c1a2b5..5a2bef44a2f 100644 --- a/sound/ppc/pmac.c +++ b/sound/ppc/pmac.c @@ -843,7 +843,7 @@ static void __init detect_byte_swap(struct snd_pmac *chip) /* if seems that Keylargo can't byte-swap */ for (mio = chip->node->parent; mio; mio = mio->parent) { if (strcmp(mio->name, "mac-io") == 0) { - if (device_is_compatible(mio, "Keylargo")) + if (of_device_is_compatible(mio, "Keylargo")) chip->can_byte_swap = 0; break; } @@ -910,7 +910,7 @@ static int __init snd_pmac_detect(struct snd_pmac *chip) chip->node = of_find_node_by_name(NULL, "i2s-a"); if (chip->node && chip->node->parent && chip->node->parent->parent) { - if (device_is_compatible(chip->node->parent->parent, + if (of_device_is_compatible(chip->node->parent->parent, "K2-Keylargo")) chip->is_k2 = 1; } @@ -941,22 +941,22 @@ static int __init snd_pmac_detect(struct snd_pmac *chip) return -ENODEV; } /* This should be verified on older screamers */ - if (device_is_compatible(sound, "screamer")) { + if (of_device_is_compatible(sound, "screamer")) { chip->model = PMAC_SCREAMER; // chip->can_byte_swap = 0; /* FIXME: check this */ } - if (device_is_compatible(sound, "burgundy")) { + if (of_device_is_compatible(sound, "burgundy")) { chip->model = PMAC_BURGUNDY; chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ } - if (device_is_compatible(sound, "daca")) { + if (of_device_is_compatible(sound, "daca")) { chip->model = PMAC_DACA; chip->can_capture = 0; /* no capture */ chip->can_duplex = 0; // chip->can_byte_swap = 0; /* FIXME: check this */ chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ } - if (device_is_compatible(sound, "tumbler")) { + if (of_device_is_compatible(sound, "tumbler")) { chip->model = PMAC_TUMBLER; chip->can_capture = 0; /* no capture */ chip->can_duplex = 0; @@ -965,7 +965,7 @@ static int __init snd_pmac_detect(struct snd_pmac *chip) chip->freq_table = tumbler_freqs; chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ } - if (device_is_compatible(sound, "snapper")) { + if (of_device_is_compatible(sound, "snapper")) { chip->model = PMAC_SNAPPER; // chip->can_byte_swap = 0; /* FIXME: check this */ chip->num_freqs = ARRAY_SIZE(tumbler_freqs); diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c index 54e333fbb1d..5821cdd0bec 100644 --- a/sound/ppc/tumbler.c +++ b/sound/ppc/tumbler.c @@ -1060,7 +1060,7 @@ static struct device_node *find_compatible_audio_device(const char *name) for (np = of_get_next_child(gpiop, NULL); np; np = of_get_next_child(gpiop, np)) { - if (device_is_compatible(np, name)) + if (of_device_is_compatible(np, name)) break; } of_node_put(gpiop); |