diff options
339 files changed, 11041 insertions, 6095 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index a5cb7839a67..c175eedadb5 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -180,24 +180,11 @@ Who: Adrian Bunk <bunk@stusta.de> --------------------------- -What: /sys/firmware/acpi/namespace -When: 2.6.21 -Why: The ACPI namespace is effectively the symbol list for - the BIOS. The device names are completely arbitrary - and have no place being exposed to user-space. - - For those interested in the BIOS ACPI namespace, - the BIOS can be extracted and disassembled with acpidump - and iasl as documented in the pmtools package here: - http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/utils -Who: Len Brown <len.brown@intel.com> - ---------------------------- - What: ACPI procfs interface -When: July 2007 -Why: After ACPI sysfs conversion, ACPI attributes will be duplicated - in sysfs and the ACPI procfs interface should be removed. +When: July 2008 +Why: ACPI sysfs conversion should be finished by January 2008. + ACPI procfs interface will be removed in July 2008 so that + there is enough time for the user space to catch up. Who: Zhang Rui <rui.zhang@intel.com> --------------------------- diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 5fbe07706ae..fb80e9ffea6 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1882,7 +1882,7 @@ and is between 256 and 4096 characters. It is defined in the file usbhid.mousepoll= [USBHID] The interval which mice are to be polled at. - vdso= [IA-32,SH] + vdso= [IA-32,SH,x86-64] vdso=2: enable compat VDSO (default with COMPAT_VDSO) vdso=1: enable VDSO (default) vdso=0: disable VDSO mapping diff --git a/Documentation/power/freezing-of-tasks.txt b/Documentation/power/freezing-of-tasks.txt index af1a282c71a..04dc1cf9d21 100644 --- a/Documentation/power/freezing-of-tasks.txt +++ b/Documentation/power/freezing-of-tasks.txt @@ -155,6 +155,8 @@ Suppose, however, that the firmware file is located on a filesystem accessible only through another device that hasn't been resumed yet. In that case, request_firmware() will fail regardless of whether or not the freezing of tasks is used. Consequently, the problem is not really related to the freezing of -tasks, since it generally exists anyway. [The solution to this particular -problem is to keep the firmware in memory after it's loaded for the first time -and upload if from memory to the device whenever necessary.] +tasks, since it generally exists anyway. + +A driver must have all firmwares it may need in RAM before suspend() is called. +If keeping them is not practical, for example due to their size, they must be +requested early enough using the suspend notifier API described in notifiers.txt. diff --git a/Documentation/thinkpad-acpi.txt b/Documentation/thinkpad-acpi.txt index 9e6b94face4..6711fbcf408 100644 --- a/Documentation/thinkpad-acpi.txt +++ b/Documentation/thinkpad-acpi.txt @@ -1,11 +1,11 @@ ThinkPad ACPI Extras Driver - Version 0.14 - April 21st, 2007 + Version 0.15 + July 1st, 2007 Borislav Deianov <borislav@users.sf.net> - Henrique de Moraes Holschuh <hmh@hmh.eng.br> - http://ibm-acpi.sf.net/ + Henrique de Moraes Holschuh <hmh@hmh.eng.br> + http://ibm-acpi.sf.net/ This is a Linux driver for the IBM and Lenovo ThinkPad laptops. It @@ -134,54 +134,68 @@ end of this document. Changes to the sysfs interface done by the kernel subsystems are not documented here, nor are they tracked by this attribute. +Changes to the thinkpad-acpi sysfs interface are only considered +non-experimental when they are submitted to Linux mainline, at which +point the changes in this interface are documented and interface_version +may be updated. If you are using any thinkpad-acpi features not yet +sent to mainline for merging, you do so on your own risk: these features +may disappear, or be implemented in a different and incompatible way by +the time they are merged in Linux mainline. + +Changes that are backwards-compatible by nature (e.g. the addition of +attributes that do not change the way the other attributes work) do not +always warrant an update of interface_version. Therefore, one must +expect that an attribute might not be there, and deal with it properly +(an attribute not being there *is* a valid way to make it clear that a +feature is not available in sysfs). + Hot keys -------- procfs: /proc/acpi/ibm/hotkey sysfs device attribute: hotkey_* -Without this driver, only the Fn-F4 key (sleep button) generates an -ACPI event. With the driver loaded, the hotkey feature enabled and the -mask set (see below), the various hot keys generate ACPI events in the +In a ThinkPad, the ACPI HKEY handler is responsible for comunicating +some important events and also keyboard hot key presses to the operating +system. Enabling the hotkey functionality of thinkpad-acpi signals the +firmware that such a driver is present, and modifies how the ThinkPad +firmware will behave in many situations. + +When the hotkey feature is enabled and the hot key mask is set (see +below), the various hot keys either generate ACPI events in the following format: ibm/hotkey HKEY 00000080 0000xxxx -The last four digits vary depending on the key combination pressed. -All labeled Fn-Fx key combinations generate distinct events. In -addition, the lid microswitch and some docking station buttons may -also generate such events. - -The bit mask allows some control over which hot keys generate ACPI -events. Not all bits in the mask can be modified. Not all bits that -can be modified do anything. Not all hot keys can be individually -controlled by the mask. Most recent ThinkPad models honor the -following bits (assuming the hot keys feature has been enabled): - - key bit behavior when set behavior when unset - - Fn-F3 always generates ACPI event - Fn-F4 always generates ACPI event - Fn-F5 0010 generate ACPI event enable/disable Bluetooth - Fn-F7 0040 generate ACPI event switch LCD and external display - Fn-F8 0080 generate ACPI event expand screen or none - Fn-F9 0100 generate ACPI event none - Fn-F12 always generates ACPI event - -Some models do not support all of the above. For example, the T30 does -not support Fn-F5 and Fn-F9. Other models do not support the mask at -all. On those models, hot keys cannot be controlled individually. - -Note that enabling ACPI events for some keys prevents their default -behavior. For example, if events for Fn-F5 are enabled, that key will -no longer enable/disable Bluetooth by itself. This can still be done -from an acpid handler for the ibm/hotkey event. - -Note also that not all Fn key combinations are supported through -ACPI. For example, on the X40, the brightness, volume and "Access IBM" -buttons do not generate ACPI events even with this driver. They *can* -be used through the "ThinkPad Buttons" utility, see -http://www.nongnu.org/tpb/ +or events over the input layer. The input layer support accepts the +standard IOCTLs to remap the keycodes assigned to each hotkey. + +When the input device is open, the driver will suppress any ACPI hot key +events that get translated into a meaningful input layer event, in order +to avoid sending duplicate events to userspace. Hot keys that are +mapped to KEY_RESERVED in the keymap are not translated, and will always +generate an ACPI ibm/hotkey HKEY event, and no input layer events. + +The hot key bit mask allows some control over which hot keys generate +events. If a key is "masked" (bit set to 0 in the mask), the firmware +will handle it. If it is "unmasked", it signals the firmware that +thinkpad-acpi would prefer to handle it, if the firmware would be so +kind to allow it (and it often doesn't!). + +Not all bits in the mask can be modified. Not all bits that can be +modified do anything. Not all hot keys can be individually controlled +by the mask. Some models do not support the mask at all, and in those +models, hot keys cannot be controlled individually. The behaviour of +the mask is, therefore, higly dependent on the ThinkPad model. + +Note that unmasking some keys prevents their default behavior. For +example, if Fn+F5 is unmasked, that key will no longer enable/disable +Bluetooth by itself. + +Note also that not all Fn key combinations are supported through ACPI. +For example, on the X40, the brightness, volume and "Access IBM" buttons +do not generate ACPI events even with this driver. They *can* be used +through the "ThinkPad Buttons" utility, see http://www.nongnu.org/tpb/ procfs notes: @@ -189,9 +203,9 @@ The following commands can be written to the /proc/acpi/ibm/hotkey file: echo enable > /proc/acpi/ibm/hotkey -- enable the hot keys feature echo disable > /proc/acpi/ibm/hotkey -- disable the hot keys feature - echo 0xffff > /proc/acpi/ibm/hotkey -- enable all possible hot keys - echo 0x0000 > /proc/acpi/ibm/hotkey -- disable all possible hot keys - ... any other 4-hex-digit mask ... + echo 0xffffffff > /proc/acpi/ibm/hotkey -- enable all hot keys + echo 0 > /proc/acpi/ibm/hotkey -- disable all possible hot keys + ... any other 8-hex-digit mask ... echo reset > /proc/acpi/ibm/hotkey -- restore the original mask sysfs notes: @@ -202,7 +216,7 @@ sysfs notes: key feature status will be restored to this value. 0: hot keys were disabled - 1: hot keys were enabled + 1: hot keys were enabled (unusual) hotkey_bios_mask: Returns the hot keys mask when thinkpad-acpi was loaded. @@ -217,9 +231,182 @@ sysfs notes: 1: enables the hot keys feature / feature enabled hotkey_mask: - bit mask to enable ACPI event generation for each hot - key (see above). Returns the current status of the hot - keys mask, and allows one to modify it. + bit mask to enable driver-handling and ACPI event + generation for each hot key (see above). Returns the + current status of the hot keys mask, and allows one to + modify it. + + hotkey_all_mask: + bit mask that should enable event reporting for all + supported hot keys, when echoed to hotkey_mask above. + Unless you know which events need to be handled + passively (because the firmware *will* handle them + anyway), do *not* use hotkey_all_mask. Use + hotkey_recommended_mask, instead. You have been warned. + + hotkey_recommended_mask: + bit mask that should enable event reporting for all + supported hot keys, except those which are always + handled by the firmware anyway. Echo it to + hotkey_mask above, to use. + + hotkey_radio_sw: + if the ThinkPad has a hardware radio switch, this + attribute will read 0 if the switch is in the "radios + disabled" postition, and 1 if the switch is in the + "radios enabled" position. + +input layer notes: + +A Hot key is mapped to a single input layer EV_KEY event, possibly +followed by an EV_MSC MSC_SCAN event that shall contain that key's scan +code. An EV_SYN event will always be generated to mark the end of the +event block. + +Do not use the EV_MSC MSC_SCAN events to process keys. They are to be +used as a helper to remap keys, only. They are particularly useful when +remapping KEY_UNKNOWN keys. + +The events are available in an input device, with the following id: + + Bus: BUS_HOST + vendor: 0x1014 (PCI_VENDOR_ID_IBM) or + 0x17aa (PCI_VENDOR_ID_LENOVO) + product: 0x5054 ("TP") + version: 0x4101 + +The version will have its LSB incremented if the keymap changes in a +backwards-compatible way. The MSB shall always be 0x41 for this input +device. If the MSB is not 0x41, do not use the device as described in +this section, as it is either something else (e.g. another input device +exported by a thinkpad driver, such as HDAPS) or its functionality has +been changed in a non-backwards compatible way. + +Adding other event types for other functionalities shall be considered a +backwards-compatible change for this input device. + +Thinkpad-acpi Hot Key event map (version 0x4101): + +ACPI Scan +event code Key Notes + +0x1001 0x00 FN+F1 - +0x1002 0x01 FN+F2 IBM: battery (rare) + Lenovo: Screen lock + +0x1003 0x02 FN+F3 Many IBM models always report + this hot key, even with hot keys + disabled or with Fn+F3 masked + off + IBM: screen lock + Lenovo: battery + +0x1004 0x03 FN+F4 Sleep button (ACPI sleep button + semanthics, i.e. sleep-to-RAM). + It is always generate some kind + of event, either the hot key + event or a ACPI sleep button + event. The firmware may + refuse to generate further FN+F4 + key presses until a S3 or S4 ACPI + sleep cycle is performed or some + time passes. + +0x1005 0x04 FN+F5 Radio. Enables/disables + the internal BlueTooth hardware + and W-WAN card if left in control + of the firmware. Does not affect + the WLAN card. + Should be used to turn on/off all + radios (bluetooth+W-WAN+WLAN), + really. + +0x1006 0x05 FN+F6 - + +0x1007 0x06 FN+F7 Video output cycle. + Do you feel lucky today? + +0x1008 0x07 FN+F8 IBM: toggle screen expand + Lenovo: configure ultranav + +0x1009 0x08 FN+F9 - + .. .. .. +0x100B 0x0A FN+F11 - + +0x100C 0x0B FN+F12 Sleep to disk. You are always + supposed to handle it yourself, + either through the ACPI event, + or through a hotkey event. + The firmware may refuse to + generate further FN+F4 key + press events until a S3 or S4 + ACPI sleep cycle is performed, + or some time passes. + +0x100D 0x0C FN+BACKSPACE - +0x100E 0x0D FN+INSERT - +0x100F 0x0E FN+DELETE - + +0x1010 0x0F FN+HOME Brightness up. This key is + always handled by the firmware + in IBM ThinkPads, even when + unmasked. Just leave it alone. + For Lenovo ThinkPads with a new + BIOS, it has to be handled either + by the ACPI OSI, or by userspace. +0x1011 0x10 FN+END Brightness down. See brightness + up for details. + +0x1012 0x11 FN+PGUP Thinklight toggle. This key is + always handled by the firmware, + even when unmasked. + +0x1013 0x12 FN+PGDOWN - + +0x1014 0x13 FN+SPACE Zoom key + +0x1015 0x14 VOLUME UP Internal mixer volume up. This + key is always handled by the + firmware, even when unmasked. + NOTE: Lenovo seems to be changing + this. +0x1016 0x15 VOLUME DOWN Internal mixer volume up. This + key is always handled by the + firmware, even when unmasked. + NOTE: Lenovo seems to be changing + this. +0x1017 0x16 MUTE Mute internal mixer. This + key is always handled by the + firmware, even when unmasked. + +0x1018 0x17 THINKPAD Thinkpad/Access IBM/Lenovo key + +0x1019 0x18 unknown +.. .. .. +0x1020 0x1F unknown + +The ThinkPad firmware does not allow one to differentiate when most hot +keys are pressed or released (either that, or we don't know how to, yet). +For these keys, the driver generates a set of events for a key press and +immediately issues the same set of events for a key release. It is +unknown by the driver if the ThinkPad firmware triggered these events on +hot key press or release, but the firmware will do it for either one, not +both. + +If a key is mapped to KEY_RESERVED, it generates no input events at all, +and it may generate a legacy thinkpad-acpi ACPI hotkey event. + +If a key is mapped to KEY_UNKNOWN, it generates an input event that +includes an scan code, and it may also generate a legacy thinkpad-acpi +ACPI hotkey event. + +If a key is mapped to anything else, it will only generate legacy +thinkpad-acpi ACPI hotkey events if nobody has opened the input device. + +Non hot-key ACPI HKEY event map: +0x5001 Lid closed +0x5002 Lid opened +0x7000 Radio Switch may have changed state Bluetooth @@ -437,27 +624,34 @@ CMOS control procfs: /proc/acpi/ibm/cmos sysfs device attribute: cmos_command -This feature is used internally by the ACPI firmware to control the -ThinkLight on most newer ThinkPad models. It may also control LCD -brightness, sounds volume and more, but only on some models. +This feature is mostly used internally by the ACPI firmware to keep the legacy +CMOS NVRAM bits in sync with the current machine state, and to record this +state so that the ThinkPad will retain such settings across reboots. + +Some of these commands actually perform actions in some ThinkPad models, but +this is expected to disappear more and more in newer models. As an example, in +a T43 and in a X40, commands 12 and 13 still control the ThinkLight state for +real, but commands 0 to 2 don't control the mixer anymore (they have been +phased out) and just update the NVRAM. The range of valid cmos command numbers is 0 to 21, but not all have an effect and the behavior varies from model to model. Here is the behavior on the X40 (tpb is the ThinkPad Buttons utility): - 0 - no effect but tpb reports "Volume down" - 1 - no effect but tpb reports "Volume up" - 2 - no effect but tpb reports "Mute on" - 3 - simulate pressing the "Access IBM" button - 4 - LCD brightness up - 5 - LCD brightness down - 11 - toggle screen expansion - 12 - ThinkLight on - 13 - ThinkLight off - 14 - no effect but tpb reports ThinkLight status change + 0 - Related to "Volume down" key press + 1 - Related to "Volume up" key press + 2 - Related to "Mute on" key press + 3 - Related to "Access IBM" key press + 4 - Related to "LCD brightness up" key pess + 5 - Related to "LCD brightness down" key press + 11 - Related to "toggle screen expansion" key press/function + 12 - Related to "ThinkLight on" + 13 - Related to "ThinkLight off" + 14 - Related to "ThinkLight" key press (toggle thinklight) The cmos command interface is prone to firmware split-brain problems, as -in newer ThinkPads it is just a compatibility layer. +in newer ThinkPads it is just a compatibility layer. Do not use it, it is +exported just as a debug tool. LED control -- /proc/acpi/ibm/led --------------------------------- @@ -516,23 +710,15 @@ Temperature sensors procfs: /proc/acpi/ibm/thermal sysfs device attributes: (hwmon) temp*_input -Most ThinkPads include six or more separate temperature sensors but -only expose the CPU temperature through the standard ACPI methods. -This feature shows readings from up to eight different sensors on older -ThinkPads, and it has experimental support for up to sixteen different -sensors on newer ThinkPads. - -EXPERIMENTAL: The 16-sensors feature is marked EXPERIMENTAL because the -implementation directly accesses hardware registers and may not work as -expected. USE WITH CAUTION! To use this feature, you need to supply the -experimental=1 parameter when loading the module. When EXPERIMENTAL -mode is enabled, reading the first 8 sensors on newer ThinkPads will -also use an new experimental thermal sensor access mode. +Most ThinkPads include six or more separate temperature sensors but only +expose the CPU temperature through the standard ACPI methods. This +feature shows readings from up to eight different sensors on older +ThinkPads, and up to sixteen different sensors on newer ThinkPads. For example, on the X40, a typical output may be: temperatures: 42 42 45 41 36 -128 33 -128 -EXPERIMENTAL: On the T43/p, a typical output may be: +On the T43/p, a typical output may be: temperatures: 48 48 36 52 38 -128 31 -128 48 52 48 -128 -128 -128 -128 -128 The mapping of thermal sensors to physical locations varies depending on @@ -562,7 +748,8 @@ http://thinkwiki.org/wiki/Thermal_Sensors#ThinkPad_T43.2C_T43p 2: System board, left side (near PCMCIA slot), reported as HDAPS temp 3: PCMCIA slot 9: MCH (northbridge) to DRAM Bus -10: ICH (southbridge), under Mini-PCI card, under touchpad +10: Clock-generator, mini-pci card and ICH (southbridge), under Mini-PCI + card, under touchpad 11: Power regulator, underside of system board, below F2 key The A31 has a very atypical layout for the thermal sensors @@ -681,6 +868,12 @@ cannot be controlled. The backlight control has eight levels, ranging from 0 to 7. Some of the levels may not be distinct. +There are two interfaces to the firmware for brightness control, EC and CMOS. +To select which one should be used, use the brightness_mode module parameter: +brightness_mode=1 selects EC mode, brightness_mode=2 selects CMOS mode, +brightness_mode=3 selects both EC and CMOS. The driver tries to autodetect +which interface to use. + Procfs notes: The available commands are: @@ -976,3 +1169,9 @@ Sysfs interface changelog: 0x000100: Initial sysfs support, as a single platform driver and device. +0x000200: Hot key support for 32 hot keys, and radio slider switch + support. +0x010000: Hot keys are now handled by default over the input + layer, the radio switch generates input event EV_RADIO, + and the driver enables hot key handling by default in + the firmware. diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt index 6177d881983..945311840a1 100644 --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt @@ -14,9 +14,11 @@ Machine check mce=nobootlog Disable boot machine check logging. mce=tolerancelevel (number) - 0: always panic, 1: panic if deadlock possible, - 2: try to avoid panic, 3: never panic or exit (for testing) - default is 1 + 0: always panic on uncorrected errors, log corrected errors + 1: panic or SIGBUS on uncorrected errors, log corrected errors + 2: SIGBUS or log uncorrected errors, log corrected errors + 3: never panic or SIGBUS, log all errors (for testing only) + Default is 1 Can be also set using sysfs which is preferable. nomce (for compatibility with i386): same as mce=off @@ -134,12 +136,6 @@ Non Executable Mappings SMP - nosmp Only use a single CPU - - maxcpus=NUMBER only use upto NUMBER CPUs - - cpumask=MASK only use cpus with bits set in mask - additional_cpus=NUM Allow NUM more CPUs for hotplug (defaults are specified by the BIOS, see Documentation/x86_64/cpu-hotplug-spec) diff --git a/Documentation/x86_64/machinecheck b/Documentation/x86_64/machinecheck index feaeaf6f6e4..a05e58e7b15 100644 --- a/Documentation/x86_64/machinecheck +++ b/Documentation/x86_64/machinecheck @@ -49,12 +49,14 @@ tolerant Since machine check exceptions can happen any time it is sometimes risky for the kernel to kill a process because it defies normal kernel locking rules. The tolerance level configures - how hard the kernel tries to recover even at some risk of deadlock. - - 0: always panic, - 1: panic if deadlock possible, - 2: try to avoid panic, - 3: never panic or exit (for testing only) + how hard the kernel tries to recover even at some risk of + deadlock. Higher tolerant values trade potentially better uptime + with the risk of a crash or even corruption (for tolerant >= 3). + + 0: always panic on uncorrected errors, log corrected errors + 1: panic or SIGBUS on uncorrected errors, log corrected errors + 2: SIGBUS or log uncorrected errors, log corrected errors + 3: never panic or SIGBUS, log all errors (for testing only) Default: 1 diff --git a/MAINTAINERS b/MAINTAINERS index 773c732b417..a9b9ef614ae 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -225,15 +225,15 @@ T: git kernel.org:/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6.git S: Supported ACPI BATTERY DRIVERS -P: Vladimir P. Lebedev -M: vladimir.p.lebedev@intel.com +P: Alexey Starikovskiy +M: astarikovskiy@suse.de L: linux-acpi@vger.kernel.org W: http://acpi.sourceforge.net/ S: Supported ACPI EC DRIVER P: Alexey Starikovskiy -M: alexey.y.starikovskiy@linux.intel.com +M: astarikovskiy@suse.de L: linux-acpi@vger.kernel.org W: http://acpi.sourceforge.net/ S: Supported diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c index 4d8425de692..e96a3dcdc1a 100644 --- a/arch/arm/mach-davinci/time.c +++ b/arch/arm/mach-davinci/time.c @@ -285,6 +285,8 @@ static void davinci_set_mode(enum clock_event_mode mode, case CLOCK_EVT_MODE_SHUTDOWN: t->opts = TIMER_OPTS_DISABLED; break; + case CLOCK_EVT_MODE_RESUME: + break; } } diff --git a/arch/arm/mach-imx/time.c b/arch/arm/mach-imx/time.c index 010f6fa984a..d86d124aea2 100644 --- a/arch/arm/mach-imx/time.c +++ b/arch/arm/mach-imx/time.c @@ -159,6 +159,7 @@ static void imx_set_mode(enum clock_event_mode mode, struct clock_event_device * break; case CLOCK_EVT_MODE_SHUTDOWN: case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_RESUME: /* Left event sources disabled, no more interrupts appears */ break; } diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 8112f726ffa..23e7fba6d3e 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -459,6 +459,8 @@ static void ixp4xx_set_mode(enum clock_event_mode mode, default: osrt = opts = 0; break; + case CLOCK_EVT_MODE_RESUME: + break; } *IXP4XX_OSRT1 = osrt | opts; diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c index 3705d20c4e5..237651ebae5 100644 --- a/arch/arm/mach-omap1/time.c +++ b/arch/arm/mach-omap1/time.c @@ -156,6 +156,7 @@ static void omap_mpu_set_mode(enum clock_event_mode mode, break; case CLOCK_EVT_MODE_UNUSED: case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_RESUME: break; } } diff --git a/arch/arm/plat-omap/timer32k.c b/arch/arm/plat-omap/timer32k.c index 2feceec8ecc..b0af014b0e2 100644 --- a/arch/arm/plat-omap/timer32k.c +++ b/arch/arm/plat-omap/timer32k.c @@ -156,6 +156,8 @@ static void omap_32k_timer_set_mode(enum clock_event_mode mode, case CLOCK_EVT_MODE_SHUTDOWN: omap_32k_timer_stop(); break; + case CLOCK_EVT_MODE_RESUME: + break; } } diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 7a11b905ef4..abb582bc218 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -18,6 +18,10 @@ config GENERIC_TIME bool default y +config GENERIC_CMOS_UPDATE + bool + default y + config CLOCKSOURCE_WATCHDOG bool default y @@ -544,6 +548,7 @@ config HIGHMEM4G config HIGHMEM64G bool "64GB" depends on !M386 && !M486 + select X86_PAE help Select this if you have a 32-bit processor and more than 4 gigabytes of physical RAM. @@ -573,12 +578,12 @@ choice config VMSPLIT_3G bool "3G/1G user/kernel split" config VMSPLIT_3G_OPT - depends on !HIGHMEM + depends on !X86_PAE bool "3G/1G user/kernel split (for full 1G low memory)" config VMSPLIT_2G bool "2G/2G user/kernel split" config VMSPLIT_2G_OPT - depends on !HIGHMEM + depends on !X86_PAE bool "2G/2G user/kernel split (for full 2G low memory)" config VMSPLIT_1G bool "1G/3G user/kernel split" @@ -598,10 +603,15 @@ config HIGHMEM default y config X86_PAE - bool - depends on HIGHMEM64G - default y + bool "PAE (Physical Address Extension) Support" + default n + depends on !HIGHMEM4G select RESOURCES_64BIT + help + PAE is required for NX support, and furthermore enables + larger swapspace support for non-overcommit purposes. It + has the cost of more pagetable lookup overhead, and also + consumes more pagetable space per process. # Common NUMA Features config NUMA @@ -817,6 +827,7 @@ config CRASH_DUMP config PHYSICAL_START hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) + default "0x1000000" if X86_NUMAQ default "0x100000" help This gives the physical address where the kernel is loaded. diff --git a/arch/i386/defconfig b/arch/i386/defconfig index 0ac62cdcd3b..54ee1764fda 100644 --- a/arch/i386/defconfig +++ b/arch/i386/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.22-rc2 -# Mon May 21 13:23:44 2007 +# Linux kernel version: 2.6.22-git14 +# Fri Jul 20 09:53:15 2007 # CONFIG_X86_32=y CONFIG_GENERIC_TIME=y @@ -37,19 +37,18 @@ 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_USER_NS is not set # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=18 # CONFIG_CPUSETS is not set CONFIG_SYSFS_DEPRECATED=y -# CONFIG_RELAY is not set +CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y @@ -73,16 +72,13 @@ CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_VM_EVENT_COUNTERS=y -CONFIG_SLAB=y -# CONFIG_SLUB is not set +CONFIG_SLUB_DEBUG=y +# CONFIG_SLAB is not set +CONFIG_SLUB=y # CONFIG_SLOB is not set CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 - -# -# Loadable module support -# CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y @@ -90,14 +86,11 @@ CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_MODULE_SRCVERSION_ALL is not set # CONFIG_KMOD is not set CONFIG_STOP_MACHINE=y - -# -# Block layer -# CONFIG_BLOCK=y CONFIG_LBD=y # CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set # # IO Schedulers @@ -201,6 +194,7 @@ CONFIG_X86_CPUID=y # CONFIG_EDD is not set # CONFIG_DELL_RBU is not set # CONFIG_DCDBAS is not set +CONFIG_DMIID=y # CONFIG_NOHIGHMEM is not set CONFIG_HIGHMEM4G=y # CONFIG_HIGHMEM64G is not set @@ -217,7 +211,9 @@ CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_RESOURCES_64BIT=y CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y CONFIG_NR_QUICK=1 +CONFIG_VIRT_TO_BUS=y # CONFIG_HIGHPTE is not set # CONFIG_MATH_EMULATION is not set CONFIG_MTRR=y @@ -244,7 +240,6 @@ CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y CONFIG_PM=y CONFIG_PM_LEGACY=y # CONFIG_PM_DEBUG is not set -# CONFIG_PM_SYSFS_DEPRECATED is not set # # ACPI (Advanced Configuration and Power Interface) Support @@ -284,7 +279,7 @@ CONFIG_CPU_FREQ_GOV_PERFORMANCE=y # CONFIG_CPU_FREQ_GOV_POWERSAVE is not set CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=y -# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set +CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y # # CPUFreq processor drivers @@ -325,7 +320,7 @@ CONFIG_PCI_MMCONFIG=y CONFIG_ARCH_SUPPORTS_MSI=y CONFIG_PCI_MSI=y # CONFIG_PCI_DEBUG is not set -CONFIG_HT_IRQ=y +# CONFIG_HT_IRQ is not set CONFIG_ISA_DMA_API=y # CONFIG_ISA is not set # CONFIG_MCA is not set @@ -381,7 +376,7 @@ CONFIG_IP_PNP_DHCP=y CONFIG_INET_TUNNEL=y CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y -CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_XFRM_MODE_BEET is not set CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set @@ -400,27 +395,15 @@ CONFIG_IPV6=y # 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_BEET is not set # 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 - -# -# 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 @@ -457,6 +440,7 @@ CONFIG_IPV6_SIT=y # CONFIG_MAC80211 is not set # CONFIG_IEEE80211 is not set # CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set # # Device Drivers @@ -471,21 +455,9 @@ 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 is not set # CONFIG_MTD is not set - -# -# Parallel port support -# # CONFIG_PARPORT is not set - -# -# Plug and Play support -# CONFIG_PNP=y # CONFIG_PNP_DEBUG is not set @@ -493,10 +465,7 @@ CONFIG_PNP=y # Protocols # CONFIG_PNPACPI=y - -# -# Block devices -# +CONFIG_BLK_DEV=y CONFIG_BLK_DEV_FD=y # CONFIG_BLK_CPQ_DA is not set # CONFIG_BLK_CPQ_CISS_DA is not set @@ -514,17 +483,14 @@ CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set - -# -# Misc devices -# +CONFIG_MISC_DEVICES=y # CONFIG_IBM_ASM is not set # CONFIG_PHANTOM is not set +# CONFIG_EEPROM_93CX6 is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set # CONFIG_SONY_LAPTOP is not set # CONFIG_THINKPAD_ACPI is not set -# CONFIG_BLINK is not set CONFIG_IDE=y CONFIG_BLK_DEV_IDE=y @@ -596,6 +562,7 @@ CONFIG_BLK_DEV_IDEDMA=y # # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +CONFIG_SCSI_DMA=y # CONFIG_SCSI_TGT is not set CONFIG_SCSI_NETLINK=y # CONFIG_SCSI_PROC_FS is not set @@ -606,8 +573,9 @@ CONFIG_SCSI_NETLINK=y 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_BLK_DEV_SR=y +# CONFIG_BLK_DEV_SR_VENDOR is not set +CONFIG_CHR_DEV_SG=y # CONFIG_CHR_DEV_SCH is not set # @@ -667,6 +635,7 @@ CONFIG_AIC79XX_DEBUG_MASK=0 # 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 @@ -675,14 +644,73 @@ CONFIG_AIC79XX_DEBUG_MASK=0 # 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 -# CONFIG_ATA is not set - -# -# Multi-device support (RAID and LVM) -# -# CONFIG_MD is not set +CONFIG_ATA=y +# CONFIG_ATA_NONSTANDARD is not set +CONFIG_ATA_ACPI=y +CONFIG_SATA_AHCI=y +CONFIG_SATA_SVW=y +CONFIG_ATA_PIIX=y +# CONFIG_SATA_MV is not set +CONFIG_SATA_NV=y +# 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=y +# CONFIG_SATA_SIL24 is not set +# CONFIG_SATA_SIS is not set +# CONFIG_SATA_ULI is not set +CONFIG_SATA_VIA=y +# 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_CS5535 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_MD=y +# CONFIG_BLK_DEV_MD is not set +CONFIG_BLK_DEV_DM=y +# CONFIG_DM_DEBUG is not set +# CONFIG_DM_CRYPT is not set +# CONFIG_DM_SNAPSHOT is not set +# CONFIG_DM_MIRROR is not set +# CONFIG_DM_ZERO is not set +# CONFIG_DM_MULTIPATH is not set +# CONFIG_DM_DELAY is not set # # Fusion MPT device support @@ -723,42 +751,27 @@ CONFIG_IEEE1394_OHCI1394=y # CONFIG_IEEE1394_ETH1394 is not set # CONFIG_IEEE1394_DV1394 is not set CONFIG_IEEE1394_RAWIO=y - -# -# I2O device support -# # CONFIG_I2O is not set -# CONFIG_MACINTOSH_DRIVERS is not set - -# -# Network device support -# +CONFIG_MACINTOSH_DRIVERS=y +# CONFIG_MAC_EMUMOUSEBTN is not set CONFIG_NETDEVICES=y +CONFIG_NETDEVICES_MULTIQUEUE=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set # CONFIG_NET_SB1000 is not set - -# -# ARCnet devices -# # CONFIG_ARCNET is not set # CONFIG_PHYLIB 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 is not set - -# -# Tulip family network device support -# +CONFIG_NET_VENDOR_3COM=y +CONFIG_VORTEX=y +# CONFIG_TYPHOON is not set CONFIG_NET_TULIP=y # CONFIG_DE2104X is not set CONFIG_TULIP=y @@ -809,7 +822,6 @@ CONFIG_R8169=y # CONFIG_SIS190 is not set # CONFIG_SKGE is not set CONFIG_SKY2=y -# CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y CONFIG_BNX2=y @@ -823,10 +835,6 @@ CONFIG_NETDEV_10000=y # CONFIG_MYRI10GE is not set # CONFIG_NETXEN_NIC is not set # CONFIG_MLX4_CORE is not set - -# -# Token Ring devices -# # CONFIG_TR is not set # @@ -855,15 +863,7 @@ CONFIG_NETCONSOLE=y CONFIG_NETPOLL=y # CONFIG_NETPOLL_TRAP is not set CONFIG_NET_POLL_CONTROLLER=y - -# -# ISDN subsystem -# # CONFIG_ISDN is not set - -# -# Telephony Support -# # CONFIG_PHONE is not set # @@ -871,6 +871,7 @@ CONFIG_NET_POLL_CONTROLLER=y # CONFIG_INPUT=y # CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set # # Userland interfaces @@ -936,6 +937,7 @@ CONFIG_HW_CONSOLE=y # CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_FIX_EARLYCON_MEM=y CONFIG_SERIAL_8250_PCI=y CONFIG_SERIAL_8250_PNP=y CONFIG_SERIAL_8250_NR_UARTS=4 @@ -951,10 +953,6 @@ CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 - -# -# IPMI -# # CONFIG_IPMI_HANDLER is not set # CONFIG_WATCHDOG is not set CONFIG_HW_RANDOM=y @@ -988,11 +986,7 @@ CONFIG_MAX_RAW_DEVS=256 CONFIG_HPET=y # CONFIG_HPET_RTC_IRQ is not set CONFIG_HPET_MMAP=y -CONFIG_HANGCHECK_TIMER=y - -# -# TPM devices -# +# CONFIG_HANGCHECK_TIMER is not set # CONFIG_TCG_TPM is not set # CONFIG_TELCLOCK is not set CONFIG_DEVPORT=y @@ -1003,11 +997,8 @@ CONFIG_DEVPORT=y # # CONFIG_SPI is not set # CONFIG_SPI_MASTER is not set - -# -# Dallas's 1-wire bus -# # CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set # @@ -1041,7 +1032,7 @@ CONFIG_DAB=y CONFIG_VGA_CONSOLE=y CONFIG_VGACON_SOFT_SCROLLBACK=y CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=128 -# CONFIG_VIDEO_SELECT is not set +CONFIG_VIDEO_SELECT=y CONFIG_DUMMY_CONSOLE=y # @@ -1058,15 +1049,11 @@ CONFIG_SOUND=y # Open Sound System # CONFIG_SOUND_PRIME=y -# CONFIG_OSS_OBSOLETE is not set # CONFIG_SOUND_TRIDENT is not set # CONFIG_SOUND_MSNDCLAS is not set # CONFIG_SOUND_MSNDPIN is not set # CONFIG_SOUND_OSS is not set - -# -# HID Devices -# +CONFIG_HID_SUPPORT=y CONFIG_HID=y # CONFIG_HID_DEBUG is not set @@ -1077,10 +1064,7 @@ CONFIG_USB_HID=y # CONFIG_USB_HIDINPUT_POWERBOOK is not set # CONFIG_HID_FF is not set # CONFIG_USB_HIDDEV is not set - -# -# USB support -# +CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB_ARCH_HAS_EHCI=y @@ -1094,6 +1078,7 @@ CONFIG_USB_DEVICEFS=y # CONFIG_USB_DEVICE_CLASS is not set # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_SUSPEND is not set +# CONFIG_USB_PERSIST is not set # CONFIG_USB_OTG is not set # @@ -1103,7 +1088,6 @@ CONFIG_USB_EHCI_HCD=y # CONFIG_USB_EHCI_SPLIT_ISO is not set # CONFIG_USB_EHCI_ROOT_HUB_TT is not set # CONFIG_USB_EHCI_TT_NEWSCHED is not set -# CONFIG_USB_EHCI_BIG_ENDIAN_MMIO is not set # CONFIG_USB_ISP116X_HCD is not set CONFIG_USB_OHCI_HCD=y # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set @@ -1111,6 +1095,7 @@ CONFIG_USB_OHCI_HCD=y CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_UHCI_HCD=y # CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set # # USB Device Class drivers @@ -1201,15 +1186,7 @@ CONFIG_USB_MON=y # # LED Triggers # - -# -# InfiniBand support -# # CONFIG_INFINIBAND is not set - -# -# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) -# # CONFIG_EDAC is not set # @@ -1229,11 +1206,13 @@ CONFIG_USB_MON=y # # DMA Devices # +CONFIG_VIRTUALIZATION=y +# CONFIG_KVM is not set # -# Virtualization +# Userspace I/O # -# CONFIG_KVM is not set +# CONFIG_UIO is not set # # File systems @@ -1271,6 +1250,7 @@ CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set CONFIG_AUTOFS4_FS=y # CONFIG_FUSE_FS is not set +CONFIG_GENERIC_ACL=y # # CD-ROM/DVD Filesystems @@ -1298,7 +1278,7 @@ CONFIG_PROC_KCORE=y CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y CONFIG_TMPFS=y -# CONFIG_TMPFS_POSIX_ACL is not set +CONFIG_TMPFS_POSIX_ACL=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y @@ -1348,7 +1328,6 @@ CONFIG_SUNRPC=y # 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 @@ -1404,10 +1383,7 @@ CONFIG_NLS_UTF8=y # Distributed Lock Manager # # CONFIG_DLM is not set - -# -# Instrumentation Support -# +CONFIG_INSTRUMENTATION=y CONFIG_PROFILING=y CONFIG_OPROFILE=y CONFIG_KPROBES=y @@ -1417,7 +1393,7 @@ CONFIG_KPROBES=y # CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_PRINTK_TIME is not set -CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_ENABLE_MUST_CHECK is not set CONFIG_MAGIC_SYSRQ=y CONFIG_UNUSED_SYMBOLS=y # CONFIG_DEBUG_FS is not set @@ -1425,15 +1401,17 @@ CONFIG_UNUSED_SYMBOLS=y CONFIG_DEBUG_KERNEL=y # CONFIG_DEBUG_SHIRQ is not set CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_SCHED_DEBUG is not set # CONFIG_SCHEDSTATS is not set -# CONFIG_TIMER_STATS is not set -# CONFIG_DEBUG_SLAB is not set +CONFIG_TIMER_STATS=y +# CONFIG_SLUB_DEBUG_ON 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_LOCK_ALLOC is not set # CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set @@ -1443,7 +1421,6 @@ CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set -# CONFIG_UNWIND_INFO is not set # CONFIG_FORCED_INLINING is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_LKDTM is not set @@ -1462,10 +1439,6 @@ CONFIG_DOUBLEFAULT=y # # CONFIG_KEYS is not set # CONFIG_SECURITY is not set - -# -# Cryptographic options -# # CONFIG_CRYPTO is not set # @@ -1476,6 +1449,7 @@ CONFIG_BITREVERSE=y # CONFIG_CRC16 is not set # CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y +# CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_PLIST=y diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile index 06da59f6f83..dbe5e87e0d6 100644 --- a/arch/i386/kernel/Makefile +++ b/arch/i386/kernel/Makefile @@ -40,6 +40,7 @@ obj-$(CONFIG_VM86) += vm86.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_HPET_TIMER) += hpet.o obj-$(CONFIG_K8_NB) += k8.o +obj-$(CONFIG_MGEODE_LX) += geode.o obj-$(CONFIG_VMI) += vmi.o vmiclock.o obj-$(CONFIG_PARAVIRT) += paravirt.o diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index a574cd2c8b6..cacdd883bf2 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c @@ -618,6 +618,8 @@ static int __init acpi_parse_sbf(struct acpi_table_header *table) #ifdef CONFIG_HPET_TIMER #include <asm/hpet.h> +static struct __initdata resource *hpet_res; + static int __init acpi_parse_hpet(struct acpi_table_header *table) { struct acpi_table_hpet *hpet_tbl; @@ -638,8 +640,42 @@ static int __init acpi_parse_hpet(struct acpi_table_header *table) printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n", hpet_tbl->id, hpet_address); + /* + * Allocate and initialize the HPET firmware resource for adding into + * the resource tree during the lateinit timeframe. + */ +#define HPET_RESOURCE_NAME_SIZE 9 + hpet_res = alloc_bootmem(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE); + + if (!hpet_res) + return 0; + + memset(hpet_res, 0, sizeof(*hpet_res)); + hpet_res->name = (void *)&hpet_res[1]; + hpet_res->flags = IORESOURCE_MEM; + snprintf((char *)hpet_res->name, HPET_RESOURCE_NAME_SIZE, "HPET %u", + hpet_tbl->sequence); + + hpet_res->start = hpet_address; + hpet_res->end = hpet_address + (1 * 1024) - 1; + return 0; } + +/* + * hpet_insert_resource inserts the HPET resources used into the resource + * tree. + */ +static __init int hpet_insert_resource(void) +{ + if (!hpet_res) + return 1; + + return insert_resource(&iomem_resource, hpet_res); +} + +late_initcall(hpet_insert_resource); + #else #define acpi_parse_hpet NULL #endif @@ -950,14 +986,6 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { }, { .callback = force_acpi_ht, - .ident = "DELL GX240", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "Dell Computer Corporation"), - DMI_MATCH(DMI_BOARD_NAME, "OptiPlex GX240"), - }, - }, - { - .callback = force_acpi_ht, .ident = "HP VISUALIZE NT Workstation", .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), diff --git a/arch/i386/kernel/alternative.c b/arch/i386/kernel/alternative.c index d8cda14fff8..c3750c2c411 100644 --- a/arch/i386/kernel/alternative.c +++ b/arch/i386/kernel/alternative.c @@ -2,12 +2,17 @@ #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/list.h> +#include <linux/kprobes.h> +#include <linux/mm.h> +#include <linux/vmalloc.h> #include <asm/alternative.h> #include <asm/sections.h> +#include <asm/pgtable.h> +#include <asm/mce.h> +#include <asm/nmi.h> -static int noreplace_smp = 0; -static int smp_alt_once = 0; -static int debug_alternative = 0; +#ifdef CONFIG_HOTPLUG_CPU +static int smp_alt_once; static int __init bootonly(char *str) { @@ -15,6 +20,11 @@ static int __init bootonly(char *str) return 1; } __setup("smp-alt-boot", bootonly); +#else +#define smp_alt_once 1 +#endif + +static int debug_alternative; static int __init debug_alt(char *str) { @@ -23,6 +33,8 @@ static int __init debug_alt(char *str) } __setup("debug-alternative", debug_alt); +static int noreplace_smp; + static int __init setup_noreplace_smp(char *str) { noreplace_smp = 1; @@ -144,7 +156,7 @@ static void nop_out(void *insns, unsigned int len) unsigned int noplen = len; if (noplen > ASM_NOP_MAX) noplen = ASM_NOP_MAX; - memcpy(insns, noptable[noplen], noplen); + text_poke(insns, noptable[noplen], noplen); insns += noplen; len -= noplen; } @@ -196,7 +208,7 @@ static void alternatives_smp_lock(u8 **start, u8 **end, u8 *text, u8 *text_end) continue; if (*ptr > text_end) continue; - **ptr = 0xf0; /* lock prefix */ + text_poke(*ptr, ((unsigned char []){0xf0}), 1); /* add lock prefix */ }; } @@ -354,10 +366,6 @@ void apply_paravirt(struct paravirt_patch_site *start, /* Pad the rest with nops */ nop_out(p->instr + used, p->len - used); } - - /* Sync to be conservative, in case we patched following - * instructions */ - sync_core(); } extern struct paravirt_patch_site __start_parainstructions[], __stop_parainstructions[]; @@ -367,6 +375,14 @@ void __init alternative_instructions(void) { unsigned long flags; + /* The patching is not fully atomic, so try to avoid local interruptions + that might execute the to be patched code. + Other CPUs are not running. */ + stop_nmi(); +#ifdef CONFIG_MCE + stop_mce(); +#endif + local_irq_save(flags); apply_alternatives(__alt_instructions, __alt_instructions_end); @@ -376,8 +392,6 @@ void __init alternative_instructions(void) #ifdef CONFIG_HOTPLUG_CPU if (num_possible_cpus() < 2) smp_alt_once = 1; -#else - smp_alt_once = 1; #endif #ifdef CONFIG_SMP @@ -401,4 +415,37 @@ void __init alternative_instructions(void) #endif apply_paravirt(__parainstructions, __parainstructions_end); local_irq_restore(flags); + + restart_nmi(); +#ifdef CONFIG_MCE + restart_mce(); +#endif +} + +/* + * Warning: + * When you use this code to patch more than one byte of an instruction + * you need to make sure that other CPUs cannot execute this code in parallel. + * Also no thread must be currently preempted in the middle of these instructions. + * And on the local CPU you need to be protected again NMI or MCE handlers + * seeing an inconsistent instruction while you patch. + */ +void __kprobes text_poke(void *oaddr, unsigned char *opcode, int len) +{ + u8 *addr = oaddr; + if (!pte_write(*lookup_address((unsigned long)addr))) { + struct page *p[2] = { virt_to_page(addr), virt_to_page(addr+PAGE_SIZE) }; + addr = vmap(p, 2, VM_MAP, PAGE_KERNEL); + if (!addr) + return; + addr += ((unsigned long)oaddr) % PAGE_SIZE; + } + memcpy(addr, opcode, len); + sync_core(); + /* Not strictly needed, but can speed CPU recovery up. Ignore cross cacheline + case. */ + if (cpu_has_clflush) + asm("clflush (%0) " :: "r" (oaddr) : "memory"); + if (addr != oaddr) + vunmap(addr); } diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index 67824f3bb97..bfc6cb7df7e 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -263,6 +263,9 @@ static void lapic_timer_setup(enum clock_event_mode mode, v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); apic_write_around(APIC_LVTT, v); break; + case CLOCK_EVT_MODE_RESUME: + /* Nothing to do here */ + break; } local_irq_restore(flags); @@ -315,7 +318,7 @@ static void __devinit setup_APIC_timer(void) #define LAPIC_CAL_LOOPS (HZ/10) -static __initdata volatile int lapic_cal_loops = -1; +static __initdata int lapic_cal_loops = -1; static __initdata long lapic_cal_t1, lapic_cal_t2; static __initdata unsigned long long lapic_cal_tsc1, lapic_cal_tsc2; static __initdata unsigned long lapic_cal_pm1, lapic_cal_pm2; @@ -485,7 +488,7 @@ void __init setup_boot_APIC_clock(void) /* Let the interrupts run */ local_irq_enable(); - while(lapic_cal_loops <= LAPIC_CAL_LOOPS) + while (lapic_cal_loops <= LAPIC_CAL_LOOPS) cpu_relax(); local_irq_disable(); @@ -521,6 +524,9 @@ void __init setup_boot_APIC_clock(void) */ if (nmi_watchdog != NMI_IO_APIC) lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY; + else + printk(KERN_WARNING "APIC timer registered as dummy," + " due to nmi_watchdog=1!\n"); } /* Setup the lapic or request the broadcast */ diff --git a/arch/i386/kernel/cpu/Makefile b/arch/i386/kernel/cpu/Makefile index 0b6a8551e9e..778396c78d6 100644 --- a/arch/i386/kernel/cpu/Makefile +++ b/arch/i386/kernel/cpu/Makefile @@ -9,7 +9,6 @@ obj-y += cyrix.o obj-y += centaur.o obj-y += transmeta.o obj-y += intel.o intel_cacheinfo.o addon_cpuid_features.o -obj-y += rise.o obj-y += nexgen.o obj-y += umc.o diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c index 6f47eeeb93e..c7ba455d5ac 100644 --- a/arch/i386/kernel/cpu/amd.c +++ b/arch/i386/kernel/cpu/amd.c @@ -231,6 +231,9 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) switch (c->x86) { case 15: + /* Use K8 tuning for Fam10h and Fam11h */ + case 0x10: + case 0x11: set_bit(X86_FEATURE_K8, c->x86_capability); break; case 6: @@ -272,8 +275,12 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) } #endif - if (cpuid_eax(0x80000000) >= 0x80000006) - num_cache_leaves = 3; + if (cpuid_eax(0x80000000) >= 0x80000006) { + if ((c->x86 == 0x10) && (cpuid_edx(0x80000006) & 0xf000)) + num_cache_leaves = 4; + else + num_cache_leaves = 3; + } if (amd_apic_timer_broken()) set_bit(X86_FEATURE_LAPIC_TIMER_BROKEN, c->x86_capability); diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c index e5419a9dec8..d506201d397 100644 --- a/arch/i386/kernel/cpu/common.c +++ b/arch/i386/kernel/cpu/common.c @@ -606,7 +606,6 @@ extern int nsc_init_cpu(void); extern int amd_init_cpu(void); extern int centaur_init_cpu(void); extern int transmeta_init_cpu(void); -extern int rise_init_cpu(void); extern int nexgen_init_cpu(void); extern int umc_init_cpu(void); @@ -618,7 +617,6 @@ void __init early_cpu_init(void) amd_init_cpu(); centaur_init_cpu(); transmeta_init_cpu(); - rise_init_cpu(); nexgen_init_cpu(); umc_init_cpu(); early_cpu_detect(); diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c index 18c8b67ea3a..6f846bee210 100644 --- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -665,8 +665,8 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) data->max_freq = perf->states[0].core_frequency * 1000; /* table init */ for (i=0; i<perf->state_count; i++) { - if (i>0 && perf->states[i].core_frequency == - perf->states[i-1].core_frequency) + if (i>0 && perf->states[i].core_frequency >= + data->freq_table[valid_states-1].frequency / 1000) continue; data->freq_table[valid_states].index = i; diff --git a/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c b/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c index 194144539a6..461dabc4e49 100644 --- a/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c +++ b/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c @@ -79,7 +79,7 @@ #include <linux/smp.h> #include <linux/cpufreq.h> #include <linux/pci.h> -#include <asm/processor.h> +#include <asm/processor-cyrix.h> #include <asm/errno.h> /* PCI config registers, all at F0 */ diff --git a/arch/i386/kernel/cpu/cyrix.c b/arch/i386/kernel/cpu/cyrix.c index e88d2fba156..122d2d75aa9 100644 --- a/arch/i386/kernel/cpu/cyrix.c +++ b/arch/i386/kernel/cpu/cyrix.c @@ -4,7 +4,7 @@ #include <linux/pci.h> #include <asm/dma.h> #include <asm/io.h> -#include <asm/processor.h> +#include <asm/processor-cyrix.h> #include <asm/timer.h> #include <asm/pci-direct.h> #include <asm/tsc.h> diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c index e5be819492e..d5a456d27d8 100644 --- a/arch/i386/kernel/cpu/intel_cacheinfo.c +++ b/arch/i386/kernel/cpu/intel_cacheinfo.c @@ -4,7 +4,7 @@ * Changes: * Venkatesh Pallipadi : Adding cache identification through cpuid(4) * Ashok Raj <ashok.raj@intel.com>: Work with CPU hotplug infrastructure. - * Andi Kleen : CPUID4 emulation on AMD. + * Andi Kleen / Andreas Herrmann : CPUID4 emulation on AMD. */ #include <linux/init.h> @@ -135,7 +135,7 @@ unsigned short num_cache_leaves; /* AMD doesn't have CPUID4. Emulate it here to report the same information to the user. This makes some assumptions about the machine: - No L3, L2 not shared, no SMT etc. that is currently true on AMD CPUs. + L2 not shared, no SMT etc. that is currently true on AMD CPUs. In theory the TLBs could be reported as fake type (they are in "dummy"). Maybe later */ @@ -159,13 +159,26 @@ union l2_cache { unsigned val; }; +union l3_cache { + struct { + unsigned line_size : 8; + unsigned lines_per_tag : 4; + unsigned assoc : 4; + unsigned res : 2; + unsigned size_encoded : 14; + }; + unsigned val; +}; + static const unsigned short assocs[] = { [1] = 1, [2] = 2, [4] = 4, [6] = 8, - [8] = 16, + [8] = 16, [0xa] = 32, [0xb] = 48, + [0xc] = 64, [0xf] = 0xffff // ?? - }; -static const unsigned char levels[] = { 1, 1, 2 }; -static const unsigned char types[] = { 1, 2, 3 }; +}; + +static const unsigned char levels[] = { 1, 1, 2, 3 }; +static const unsigned char types[] = { 1, 2, 3, 3 }; static void __cpuinit amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax, union _cpuid4_leaf_ebx *ebx, @@ -175,37 +188,58 @@ static void __cpuinit amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax, unsigned line_size, lines_per_tag, assoc, size_in_kb; union l1_cache l1i, l1d; union l2_cache l2; + union l3_cache l3; + union l1_cache *l1 = &l1d; eax->full = 0; ebx->full = 0; ecx->full = 0; cpuid(0x80000005, &dummy, &dummy, &l1d.val, &l1i.val); - cpuid(0x80000006, &dummy, &dummy, &l2.val, &dummy); - - if (leaf > 2 || !l1d.val || !l1i.val || !l2.val) - return; - - eax->split.is_self_initializing = 1; - eax->split.type = types[leaf]; - eax->split.level = levels[leaf]; - eax->split.num_threads_sharing = 0; - eax->split.num_cores_on_die = current_cpu_data.x86_max_cores - 1; - - if (leaf <= 1) { - union l1_cache *l1 = leaf == 0 ? &l1d : &l1i; + cpuid(0x80000006, &dummy, &dummy, &l2.val, &l3.val); + + switch (leaf) { + case 1: + l1 = &l1i; + case 0: + if (!l1->val) + return; assoc = l1->assoc; line_size = l1->line_size; lines_per_tag = l1->lines_per_tag; size_in_kb = l1->size_in_kb; - } else { + break; + case 2: + if (!l2.val) + return; assoc = l2.assoc; line_size = l2.line_size; lines_per_tag = l2.lines_per_tag; /* cpu_data has errata corrections for K7 applied */ size_in_kb = current_cpu_data.x86_cache_size; + break; + case 3: + if (!l3.val) + return; + assoc = l3.assoc; + line_size = l3.line_size; + lines_per_tag = l3.lines_per_tag; + size_in_kb = l3.size_encoded * 512; + break; + default: + return; } + eax->split.is_self_initializing = 1; + eax->split.type = types[leaf]; + eax->split.level = levels[leaf]; + if (leaf == 3) + eax->split.num_threads_sharing = current_cpu_data.x86_max_cores - 1; + else + eax->split.num_threads_sharing = 0; + eax->split.num_cores_on_die = current_cpu_data.x86_max_cores - 1; + + if (assoc == 0xf) eax->split.is_fully_associative = 1; ebx->split.coherency_line_size = line_size - 1; @@ -239,8 +273,7 @@ static int __cpuinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_le return 0; } -/* will only be called once; __init is safe here */ -static int __init find_num_cache_leaves(void) +static int __cpuinit find_num_cache_leaves(void) { unsigned int eax, ebx, ecx, edx; union _cpuid4_leaf_eax cache_eax; @@ -710,7 +743,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev) return retval; } -static void __cpuexit cache_remove_dev(struct sys_device * sys_dev) +static void __cpuinit cache_remove_dev(struct sys_device * sys_dev) { unsigned int cpu = sys_dev->id; unsigned long i; diff --git a/arch/i386/kernel/cpu/mcheck/mce.c b/arch/i386/kernel/cpu/mcheck/mce.c index 56cd485b127..34c781eddee 100644 --- a/arch/i386/kernel/cpu/mcheck/mce.c +++ b/arch/i386/kernel/cpu/mcheck/mce.c @@ -60,6 +60,20 @@ void mcheck_init(struct cpuinfo_x86 *c) } } +static unsigned long old_cr4 __initdata; + +void __init stop_mce(void) +{ + old_cr4 = read_cr4(); + clear_in_cr4(X86_CR4_MCE); +} + +void __init restart_mce(void) +{ + if (old_cr4 & X86_CR4_MCE) + set_in_cr4(X86_CR4_MCE); +} + static int __init mcheck_disable(char *str) { mce_disabled = 1; diff --git a/arch/i386/kernel/cpu/mcheck/non-fatal.c b/arch/i386/kernel/cpu/mcheck/non-fatal.c index 6b5d3518a1c..bf39409b383 100644 --- a/arch/i386/kernel/cpu/mcheck/non-fatal.c +++ b/arch/i386/kernel/cpu/mcheck/non-fatal.c @@ -57,7 +57,7 @@ static DECLARE_DELAYED_WORK(mce_work, mce_work_fn); static void mce_work_fn(struct work_struct *work) { on_each_cpu(mce_checkregs, NULL, 1, 1); - schedule_delayed_work(&mce_work, MCE_RATE); + schedule_delayed_work(&mce_work, round_jiffies_relative(MCE_RATE)); } static int __init init_nonfatal_mce_checker(void) @@ -82,7 +82,7 @@ static int __init init_nonfatal_mce_checker(void) /* * Check for non-fatal errors every MCE_RATE s */ - schedule_delayed_work(&mce_work, MCE_RATE); + schedule_delayed_work(&mce_work, round_jiffies_relative(MCE_RATE)); printk(KERN_INFO "Machine check exception polling timer started.\n"); return 0; } diff --git a/arch/i386/kernel/cpu/mtrr/cyrix.c b/arch/i386/kernel/cpu/mtrr/cyrix.c index 1001f1e0fe6..2287d4863a8 100644 --- a/arch/i386/kernel/cpu/mtrr/cyrix.c +++ b/arch/i386/kernel/cpu/mtrr/cyrix.c @@ -3,6 +3,7 @@ #include <asm/mtrr.h> #include <asm/msr.h> #include <asm/io.h> +#include <asm/processor-cyrix.h> #include "mtrr.h" int arr3_protected; diff --git a/arch/i386/kernel/cpu/mtrr/generic.c b/arch/i386/kernel/cpu/mtrr/generic.c index f6e46943e6e..56f64e34829 100644 --- a/arch/i386/kernel/cpu/mtrr/generic.c +++ b/arch/i386/kernel/cpu/mtrr/generic.c @@ -79,7 +79,7 @@ static void print_fixed(unsigned base, unsigned step, const mtrr_type*types) } /* Grab all of the MTRR state for this CPU into *state */ -void get_mtrr_state(void) +void __init get_mtrr_state(void) { unsigned int i; struct mtrr_var_range *vrs; diff --git a/arch/i386/kernel/cpu/mtrr/main.c b/arch/i386/kernel/cpu/mtrr/main.c index 75dc6d5214b..c48b6fea5ab 100644 --- a/arch/i386/kernel/cpu/mtrr/main.c +++ b/arch/i386/kernel/cpu/mtrr/main.c @@ -643,7 +643,7 @@ static struct sysdev_driver mtrr_sysdev_driver = { * initialized (i.e. before smp_init()). * */ -__init void mtrr_bp_init(void) +void __init mtrr_bp_init(void) { init_ifs(); diff --git a/arch/i386/kernel/cpu/mtrr/state.c b/arch/i386/kernel/cpu/mtrr/state.c index 7b39a2f954d..c9014ca4a57 100644 --- a/arch/i386/kernel/cpu/mtrr/state.c +++ b/arch/i386/kernel/cpu/mtrr/state.c @@ -3,6 +3,7 @@ #include <asm/io.h> #include <asm/mtrr.h> #include <asm/msr.h> +#include <asm-i386/processor-cyrix.h> #include "mtrr.h" diff --git a/arch/i386/kernel/cpu/perfctr-watchdog.c b/arch/i386/kernel/cpu/perfctr-watchdog.c index 4d26d514c56..4be488e73be 100644 --- a/arch/i386/kernel/cpu/perfctr-watchdog.c +++ b/arch/i386/kernel/cpu/perfctr-watchdog.c @@ -325,7 +325,7 @@ static struct wd_ops k7_wd_ops = { .stop = single_msr_stop_watchdog, .perfctr = MSR_K7_PERFCTR0, .evntsel = MSR_K7_EVNTSEL0, - .checkbit = 1ULL<<63, + .checkbit = 1ULL<<47, }; /* Intel Model 6 (PPro+,P2,P3,P-M,Core1) */ @@ -346,7 +346,9 @@ static int setup_p6_watchdog(unsigned nmi_hz) perfctr_msr = MSR_P6_PERFCTR0; evntsel_msr = MSR_P6_EVNTSEL0; - wrmsrl(perfctr_msr, 0UL); + /* KVM doesn't implement this MSR */ + if (wrmsr_safe(perfctr_msr, 0, 0) < 0) + return 0; evntsel = P6_EVNTSEL_INT | P6_EVNTSEL_OS @@ -599,8 +601,8 @@ static struct wd_ops intel_arch_wd_ops = { .setup = setup_intel_arch_watchdog, .rearm = p6_rearm, .stop = single_msr_stop_watchdog, - .perfctr = MSR_ARCH_PERFMON_PERFCTR0, - .evntsel = MSR_ARCH_PERFMON_EVENTSEL0, + .perfctr = MSR_ARCH_PERFMON_PERFCTR1, + .evntsel = MSR_ARCH_PERFMON_EVENTSEL1, }; static void probe_nmi_watchdog(void) diff --git a/arch/i386/kernel/cpu/rise.c b/arch/i386/kernel/cpu/rise.c deleted file mode 100644 index 50076f22e90..00000000000 --- a/arch/i386/kernel/cpu/rise.c +++ /dev/null @@ -1,52 +0,0 @@ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/bitops.h> -#include <asm/processor.h> - -#include "cpu.h" - -static void __cpuinit init_rise(struct cpuinfo_x86 *c) -{ - printk("CPU: Rise iDragon"); - if (c->x86_model > 2) - printk(" II"); - printk("\n"); - - /* Unhide possibly hidden capability flags - The mp6 iDragon family don't have MSRs. - We switch on extra features with this cpuid weirdness: */ - __asm__ ( - "movl $0x6363452a, %%eax\n\t" - "movl $0x3231206c, %%ecx\n\t" - "movl $0x2a32313a, %%edx\n\t" - "cpuid\n\t" - "movl $0x63634523, %%eax\n\t" - "movl $0x32315f6c, %%ecx\n\t" - "movl $0x2333313a, %%edx\n\t" - "cpuid\n\t" : : : "eax", "ebx", "ecx", "edx" - ); - set_bit(X86_FEATURE_CX8, c->x86_capability); -} - -static struct cpu_dev rise_cpu_dev __cpuinitdata = { - .c_vendor = "Rise", - .c_ident = { "RiseRiseRise" }, - .c_models = { - { .vendor = X86_VENDOR_RISE, .family = 5, .model_names = - { - [0] = "iDragon", - [2] = "iDragon", - [8] = "iDragon II", - [9] = "iDragon II" - } - }, - }, - .c_init = init_rise, -}; - -int __init rise_init_cpu(void) -{ - cpu_devs[X86_VENDOR_RISE] = &rise_cpu_dev; - return 0; -} - diff --git a/arch/i386/kernel/e820.c b/arch/i386/kernel/e820.c index fc822a46897..e60cddbc4cf 100644 --- a/arch/i386/kernel/e820.c +++ b/arch/i386/kernel/e820.c @@ -10,6 +10,7 @@ #include <linux/efi.h> #include <linux/pfn.h> #include <linux/uaccess.h> +#include <linux/suspend.h> #include <asm/pgtable.h> #include <asm/page.h> @@ -320,6 +321,37 @@ static int __init request_standard_resources(void) subsys_initcall(request_standard_resources); +#if defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND) +/** + * e820_mark_nosave_regions - Find the ranges of physical addresses that do not + * correspond to e820 RAM areas and mark the corresponding pages as nosave for + * hibernation. + * + * This function requires the e820 map to be sorted and without any + * overlapping entries and assumes the first e820 area to be RAM. + */ +void __init e820_mark_nosave_regions(void) +{ + int i; + unsigned long pfn; + + pfn = PFN_DOWN(e820.map[0].addr + e820.map[0].size); + for (i = 1; i < e820.nr_map; i++) { + struct e820entry *ei = &e820.map[i]; + + if (pfn < PFN_UP(ei->addr)) + register_nosave_region(pfn, PFN_UP(ei->addr)); + + pfn = PFN_DOWN(ei->addr + ei->size); + if (ei->type != E820_RAM) + register_nosave_region(PFN_UP(ei->addr), pfn); + + if (pfn >= max_low_pfn) + break; + } +} +#endif + void __init add_memory_region(unsigned long long start, unsigned long long size, int type) { diff --git a/arch/i386/kernel/geode.c b/arch/i386/kernel/geode.c new file mode 100644 index 00000000000..41e8aec4c61 --- /dev/null +++ b/arch/i386/kernel/geode.c @@ -0,0 +1,155 @@ +/* + * AMD Geode southbridge support code + * Copyright (C) 2006, Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public License + * as published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/ioport.h> +#include <linux/io.h> +#include <asm/msr.h> +#include <asm/geode.h> + +static struct { + char *name; + u32 msr; + int size; + u32 base; +} lbars[] = { + { "geode-pms", MSR_LBAR_PMS, LBAR_PMS_SIZE, 0 }, + { "geode-acpi", MSR_LBAR_ACPI, LBAR_ACPI_SIZE, 0 }, + { "geode-gpio", MSR_LBAR_GPIO, LBAR_GPIO_SIZE, 0 }, + { "geode-mfgpt", MSR_LBAR_MFGPT, LBAR_MFGPT_SIZE, 0 } +}; + +static void __init init_lbars(void) +{ + u32 lo, hi; + int i; + + for (i = 0; i < ARRAY_SIZE(lbars); i++) { + rdmsr(lbars[i].msr, lo, hi); + if (hi & 0x01) + lbars[i].base = lo & 0x0000ffff; + + if (lbars[i].base == 0) + printk(KERN_ERR "geode: Couldn't initialize '%s'\n", + lbars[i].name); + } +} + +int geode_get_dev_base(unsigned int dev) +{ + BUG_ON(dev >= ARRAY_SIZE(lbars)); + return lbars[dev].base; +} +EXPORT_SYMBOL_GPL(geode_get_dev_base); + +/* === GPIO API === */ + +void geode_gpio_set(unsigned int gpio, unsigned int reg) +{ + u32 base = geode_get_dev_base(GEODE_DEV_GPIO); + + if (!base) + return; + + if (gpio < 16) + outl(1 << gpio, base + reg); + else + outl(1 << (gpio - 16), base + 0x80 + reg); +} +EXPORT_SYMBOL_GPL(geode_gpio_set); + +void geode_gpio_clear(unsigned int gpio, unsigned int reg) +{ + u32 base = geode_get_dev_base(GEODE_DEV_GPIO); + + if (!base) + return; + + if (gpio < 16) + outl(1 << (gpio + 16), base + reg); + else + outl(1 << gpio, base + 0x80 + reg); +} +EXPORT_SYMBOL_GPL(geode_gpio_clear); + +int geode_gpio_isset(unsigned int gpio, unsigned int reg) +{ + u32 base = geode_get_dev_base(GEODE_DEV_GPIO); + + if (!base) + return 0; + + if (gpio < 16) + return (inl(base + reg) & (1 << gpio)) ? 1 : 0; + else + return (inl(base + 0x80 + reg) & (1 << (gpio - 16))) ? 1 : 0; +} +EXPORT_SYMBOL_GPL(geode_gpio_isset); + +void geode_gpio_set_irq(unsigned int group, unsigned int irq) +{ + u32 lo, hi; + + if (group > 7 || irq > 15) + return; + + rdmsr(MSR_PIC_ZSEL_HIGH, lo, hi); + + lo &= ~(0xF << (group * 4)); + lo |= (irq & 0xF) << (group * 4); + + wrmsr(MSR_PIC_ZSEL_HIGH, lo, hi); +} +EXPORT_SYMBOL_GPL(geode_gpio_set_irq); + +void geode_gpio_setup_event(unsigned int gpio, int pair, int pme) +{ + u32 base = geode_get_dev_base(GEODE_DEV_GPIO); + u32 offset, shift, val; + + if (gpio >= 24) + offset = GPIO_MAP_W; + else if (gpio >= 16) + offset = GPIO_MAP_Z; + else if (gpio >= 8) + offset = GPIO_MAP_Y; + else + offset = GPIO_MAP_X; + + shift = (gpio % 8) * 4; + + val = inl(base + offset); + + /* Clear whatever was there before */ + val &= ~(0xF << shift); + + /* And set the new value */ + + val |= ((pair & 7) << shift); + + /* Set the PME bit if this is a PME event */ + + if (pme) + val |= (1 << (shift + 3)); + + outl(val, base + offset); +} +EXPORT_SYMBOL_GPL(geode_gpio_setup_event); + +static int __init geode_southbridge_init(void) +{ + if (!is_geode()) + return -ENODEV; + + init_lbars(); + return 0; +} + +postcore_initcall(geode_southbridge_init); diff --git a/arch/i386/kernel/hpet.c b/arch/i386/kernel/hpet.c index 17d73459fc5..533d4932bc7 100644 --- a/arch/i386/kernel/hpet.c +++ b/arch/i386/kernel/hpet.c @@ -5,6 +5,7 @@ #include <linux/init.h> #include <linux/sysdev.h> #include <linux/pm.h> +#include <linux/delay.h> #include <asm/hpet.h> #include <asm/io.h> @@ -187,6 +188,10 @@ static void hpet_set_mode(enum clock_event_mode mode, cfg &= ~HPET_TN_ENABLE; hpet_writel(cfg, HPET_T0_CFG); break; + + case CLOCK_EVT_MODE_RESUME: + hpet_enable_int(); + break; } } @@ -217,6 +222,7 @@ static struct clocksource clocksource_hpet = { .mask = HPET_MASK, .shift = HPET_SHIFT, .flags = CLOCK_SOURCE_IS_CONTINUOUS, + .resume = hpet_start_counter, }; /* @@ -226,7 +232,8 @@ int __init hpet_enable(void) { unsigned long id; uint64_t hpet_freq; - u64 tmp; + u64 tmp, start, now; + cycle_t t1; if (!is_hpet_capable()) return 0; @@ -273,6 +280,27 @@ int __init hpet_enable(void) /* Start the counter */ hpet_start_counter(); + /* Verify whether hpet counter works */ + t1 = read_hpet(); + rdtscll(start); + + /* + * We don't know the TSC frequency yet, but waiting for + * 200000 TSC cycles is safe: + * 4 GHz == 50us + * 1 GHz == 200us + */ + do { + rep_nop(); + rdtscll(now); + } while ((now - start) < 200000UL); + + if (t1 == read_hpet()) { + printk(KERN_WARNING + "HPET counter not counting. HPET disabled\n"); + goto out_nohpet; + } + /* Initialize and register HPET clocksource * * hpet period is in femto seconds per cycle @@ -291,7 +319,6 @@ int __init hpet_enable(void) clocksource_register(&clocksource_hpet); - if (id & HPET_ID_LEGSUP) { hpet_enable_int(); hpet_reserve_platform_timers(id); @@ -299,7 +326,7 @@ int __init hpet_enable(void) * Start hpet with the boot cpu mask and make it * global after the IO_APIC has been initialized. */ - hpet_clockevent.cpumask =cpumask_of_cpu(0); + hpet_clockevent.cpumask = cpumask_of_cpu(smp_processor_id()); clockevents_register_device(&hpet_clockevent); global_clock_event = &hpet_clockevent; return 1; @@ -524,68 +551,3 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } #endif - - -/* - * Suspend/resume part - */ - -#ifdef CONFIG_PM - -static int hpet_suspend(struct sys_device *sys_device, pm_message_t state) -{ - unsigned long cfg = hpet_readl(HPET_CFG); - - cfg &= ~(HPET_CFG_ENABLE|HPET_CFG_LEGACY); - hpet_writel(cfg, HPET_CFG); - - return 0; -} - -static int hpet_resume(struct sys_device *sys_device) -{ - unsigned int id; - - hpet_start_counter(); - - id = hpet_readl(HPET_ID); - - if (id & HPET_ID_LEGSUP) - hpet_enable_int(); - - return 0; -} - -static struct sysdev_class hpet_class = { - set_kset_name("hpet"), - .suspend = hpet_suspend, - .resume = hpet_resume, -}; - -static struct sys_device hpet_device = { - .id = 0, - .cls = &hpet_class, -}; - - -static __init int hpet_register_sysfs(void) -{ - int err; - - if (!is_hpet_capable()) - return 0; - - err = sysdev_class_register(&hpet_class); - - if (!err) { - err = sysdev_register(&hpet_device); - if (err) - sysdev_class_unregister(&hpet_class); - } - - return err; -} - -device_initcall(hpet_register_sysfs); - -#endif diff --git a/arch/i386/kernel/i8253.c b/arch/i386/kernel/i8253.c index f8a3c4054c7..6d839f2f1b1 100644 --- a/arch/i386/kernel/i8253.c +++ b/arch/i386/kernel/i8253.c @@ -3,18 +3,17 @@ * */ #include <linux/clockchips.h> -#include <linux/spinlock.h> +#include <linux/init.h> +#include <linux/interrupt.h> #include <linux/jiffies.h> -#include <linux/sysdev.h> #include <linux/module.h> -#include <linux/init.h> +#include <linux/spinlock.h> #include <asm/smp.h> #include <asm/delay.h> #include <asm/i8253.h> #include <asm/io.h> - -#include "io_ports.h" +#include <asm/timer.h> DEFINE_SPINLOCK(i8253_lock); EXPORT_SYMBOL(i8253_lock); @@ -41,26 +40,27 @@ static void init_pit_timer(enum clock_event_mode mode, case CLOCK_EVT_MODE_PERIODIC: /* binary, mode 2, LSB/MSB, ch 0 */ outb_p(0x34, PIT_MODE); - udelay(10); outb_p(LATCH & 0xff , PIT_CH0); /* LSB */ - udelay(10); outb(LATCH >> 8 , PIT_CH0); /* MSB */ break; - /* - * Avoid unnecessary state transitions, as it confuses - * Geode / Cyrix based boxen. - */ case CLOCK_EVT_MODE_SHUTDOWN: - if (evt->mode == CLOCK_EVT_MODE_UNUSED) - break; case CLOCK_EVT_MODE_UNUSED: - if (evt->mode == CLOCK_EVT_MODE_SHUTDOWN) - break; + if (evt->mode == CLOCK_EVT_MODE_PERIODIC || + evt->mode == CLOCK_EVT_MODE_ONESHOT) { + outb_p(0x30, PIT_MODE); + outb_p(0, PIT_CH0); + outb_p(0, PIT_CH0); + } + break; + case CLOCK_EVT_MODE_ONESHOT: /* One shot setup */ outb_p(0x38, PIT_MODE); - udelay(10); + break; + + case CLOCK_EVT_MODE_RESUME: + /* Nothing to do here */ break; } spin_unlock_irqrestore(&i8253_lock, flags); diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 21db8f56c9a..893df828075 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -353,14 +353,6 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) # include <linux/slab.h> /* kmalloc() */ # include <linux/timer.h> /* time_after() */ -#ifdef CONFIG_BALANCED_IRQ_DEBUG -# define TDprintk(x...) do { printk("<%ld:%s:%d>: ", jiffies, __FILE__, __LINE__); printk(x); } while (0) -# define Dprintk(x...) do { TDprintk(x); } while (0) -# else -# define TDprintk(x...) -# define Dprintk(x...) -# endif - #define IRQBALANCE_CHECK_ARCH -999 #define MAX_BALANCED_IRQ_INTERVAL (5*HZ) #define MIN_BALANCED_IRQ_INTERVAL (HZ/2) @@ -443,7 +435,7 @@ static inline void balance_irq(int cpu, int irq) static inline void rotate_irqs_among_cpus(unsigned long useful_load_threshold) { int i, j; - Dprintk("Rotating IRQs among CPUs.\n"); + for_each_online_cpu(i) { for (j = 0; j < NR_IRQS; j++) { if (!irq_desc[j].action) @@ -560,19 +552,11 @@ tryanothercpu: max_loaded = tmp_loaded; /* processor */ imbalance = (max_cpu_irq - min_cpu_irq) / 2; - Dprintk("max_loaded cpu = %d\n", max_loaded); - Dprintk("min_loaded cpu = %d\n", min_loaded); - Dprintk("max_cpu_irq load = %ld\n", max_cpu_irq); - Dprintk("min_cpu_irq load = %ld\n", min_cpu_irq); - Dprintk("load imbalance = %lu\n", imbalance); - /* if imbalance is less than approx 10% of max load, then * observe diminishing returns action. - quit */ - if (imbalance < (max_cpu_irq >> 3)) { - Dprintk("Imbalance too trivial\n"); + if (imbalance < (max_cpu_irq >> 3)) goto not_worth_the_effort; - } tryanotherirq: /* if we select an IRQ to move that can't go where we want, then @@ -629,9 +613,6 @@ tryanotherirq: cpus_and(tmp, target_cpu_mask, allowed_mask); if (!cpus_empty(tmp)) { - - Dprintk("irq = %d moved to cpu = %d\n", - selected_irq, min_loaded); /* mark for change destination */ set_pending_irq(selected_irq, cpumask_of_cpu(min_loaded)); @@ -651,7 +632,6 @@ not_worth_the_effort: */ balanced_irq_interval = min((long)MAX_BALANCED_IRQ_INTERVAL, balanced_irq_interval + BALANCED_IRQ_MORE_DELTA); - Dprintk("IRQ worth rotating not found\n"); return; } @@ -1902,7 +1882,7 @@ __setup("no_timer_check", notimercheck); * - if this function detects that timer IRQs are defunct, then we fall * back to ISA timer IRQs */ -int __init timer_irq_works(void) +static int __init timer_irq_works(void) { unsigned long t1 = jiffies; diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c index ba44d40b066..dd2b97fc00b 100644 --- a/arch/i386/kernel/irq.c +++ b/arch/i386/kernel/irq.c @@ -149,15 +149,11 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs) #ifdef CONFIG_4KSTACKS -/* - * These should really be __section__(".bss.page_aligned") as well, but - * gcc's 3.0 and earlier don't handle that correctly. - */ static char softirq_stack[NR_CPUS * THREAD_SIZE] - __attribute__((__aligned__(THREAD_SIZE))); + __attribute__((__section__(".bss.page_aligned"))); static char hardirq_stack[NR_CPUS * THREAD_SIZE] - __attribute__((__aligned__(THREAD_SIZE))); + __attribute__((__section__(".bss.page_aligned"))); /* * allocate per-cpu stacks for hardirq and for softirq processing diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index dde828a333c..448a50b1324 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -35,6 +35,7 @@ #include <asm/cacheflush.h> #include <asm/desc.h> #include <asm/uaccess.h> +#include <asm/alternative.h> void jprobe_return_end(void); @@ -169,16 +170,12 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p) void __kprobes arch_arm_kprobe(struct kprobe *p) { - *p->addr = BREAKPOINT_INSTRUCTION; - flush_icache_range((unsigned long) p->addr, - (unsigned long) p->addr + sizeof(kprobe_opcode_t)); + text_poke(p->addr, ((unsigned char []){BREAKPOINT_INSTRUCTION}), 1); } void __kprobes arch_disarm_kprobe(struct kprobe *p) { - *p->addr = p->opcode; - flush_icache_range((unsigned long) p->addr, - (unsigned long) p->addr + sizeof(kprobe_opcode_t)); + text_poke(p->addr, &p->opcode, 1); } void __kprobes arch_remove_kprobe(struct kprobe *p) diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c index 03b7f5584d7..99beac7f96c 100644 --- a/arch/i386/kernel/nmi.c +++ b/arch/i386/kernel/nmi.c @@ -353,7 +353,7 @@ __kprobes int nmi_watchdog_tick(struct pt_regs * regs, unsigned reason) * Take the local apic timer and PIT/HPET into account. We don't * know which one is active, when we have highres/dyntick on */ - sum = per_cpu(irq_stat, cpu).apic_timer_irqs + kstat_irqs(0); + sum = per_cpu(irq_stat, cpu).apic_timer_irqs + kstat_cpu(cpu).irqs[0]; /* if the none of the timers isn't firing, this cpu isn't doing much */ if (!touched && last_irq_sums[cpu] == sum) { diff --git a/arch/i386/kernel/paravirt.c b/arch/i386/kernel/paravirt.c index 53f07a8275e..ea962c0667d 100644 --- a/arch/i386/kernel/paravirt.c +++ b/arch/i386/kernel/paravirt.c @@ -124,20 +124,28 @@ unsigned paravirt_patch_ignore(unsigned len) return len; } +struct branch { + unsigned char opcode; + u32 delta; +} __attribute__((packed)); + unsigned paravirt_patch_call(void *target, u16 tgt_clobbers, void *site, u16 site_clobbers, unsigned len) { unsigned char *call = site; unsigned long delta = (unsigned long)target - (unsigned long)(call+5); + struct branch b; if (tgt_clobbers & ~site_clobbers) return len; /* target would clobber too much for this site */ if (len < 5) return len; /* call too long for patch site */ - *call++ = 0xe8; /* call */ - *(unsigned long *)call = delta; + b.opcode = 0xe8; /* call */ + b.delta = delta; + BUILD_BUG_ON(sizeof(b) != 5); + text_poke(call, (unsigned char *)&b, 5); return 5; } @@ -146,12 +154,14 @@ unsigned paravirt_patch_jmp(void *target, void *site, unsigned len) { unsigned char *jmp = site; unsigned long delta = (unsigned long)target - (unsigned long)(jmp+5); + struct branch b; if (len < 5) return len; /* call too long for patch site */ - *jmp++ = 0xe9; /* jmp */ - *(unsigned long *)jmp = delta; + b.opcode = 0xe9; /* jmp */ + b.delta = delta; + text_poke(jmp, (unsigned char *)&b, 5); return 5; } diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index 6c49acb9698..84664710b78 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -300,6 +300,7 @@ early_param("idle", idle_setup); void show_regs(struct pt_regs * regs) { unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L; + unsigned long d0, d1, d2, d3, d6, d7; printk("\n"); printk("Pid: %d, comm: %20s\n", current->pid, current->comm); @@ -324,6 +325,17 @@ void show_regs(struct pt_regs * regs) cr3 = read_cr3(); cr4 = read_cr4_safe(); printk("CR0: %08lx CR2: %08lx CR3: %08lx CR4: %08lx\n", cr0, cr2, cr3, cr4); + + get_debugreg(d0, 0); + get_debugreg(d1, 1); + get_debugreg(d2, 2); + get_debugreg(d3, 3); + printk("DR0: %08lx DR1: %08lx DR2: %08lx DR3: %08lx\n", + d0, d1, d2, d3); + get_debugreg(d6, 6); + get_debugreg(d7, 7); + printk("DR6: %08lx DR7: %08lx\n", d6, d7); + show_trace(NULL, regs, ®s->esp); } diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c index 5513f8d5b5b..0d796248866 100644 --- a/arch/i386/kernel/reboot.c +++ b/arch/i386/kernel/reboot.c @@ -113,6 +113,15 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 300/"), }, }, + { /* Handle problems with rebooting on Dell Optiplex 745's SFF*/ + .callback = set_bios_reboot, + .ident = "Dell OptiPlex 745", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 745"), + DMI_MATCH(DMI_BOARD_NAME, "0WF810"), + }, + }, { /* Handle problems with rebooting on Dell 2400's */ .callback = set_bios_reboot, .ident = "Dell PowerEdge 2400", diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index 74871d066c2..d474cd639bc 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -273,18 +273,18 @@ unsigned long __init find_max_low_pfn(void) printk(KERN_WARNING "Warning only %ldMB will be used.\n", MAXMEM>>20); if (max_pfn > MAX_NONPAE_PFN) - printk(KERN_WARNING "Use a PAE enabled kernel.\n"); + printk(KERN_WARNING "Use a HIGHMEM64G enabled kernel.\n"); else printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n"); max_pfn = MAXMEM_PFN; #else /* !CONFIG_HIGHMEM */ -#ifndef CONFIG_X86_PAE +#ifndef CONFIG_HIGHMEM64G if (max_pfn > MAX_NONPAE_PFN) { max_pfn = MAX_NONPAE_PFN; printk(KERN_WARNING "Warning only 4GB will be used.\n"); - printk(KERN_WARNING "Use a PAE enabled kernel.\n"); + printk(KERN_WARNING "Use a HIGHMEM64G enabled kernel.\n"); } -#endif /* !CONFIG_X86_PAE */ +#endif /* !CONFIG_HIGHMEM64G */ #endif /* !CONFIG_HIGHMEM */ } else { if (highmem_pages == -1) @@ -466,7 +466,7 @@ void __init setup_bootmem_allocator(void) * * This should all compile down to nothing when NUMA is off. */ -void __init remapped_pgdat_init(void) +static void __init remapped_pgdat_init(void) { int nid; @@ -640,6 +640,7 @@ void __init setup_arch(char **cmdline_p) #endif e820_register_memory(); + e820_mark_nosave_regions(); #ifdef CONFIG_VT #if defined(CONFIG_VGA_CONSOLE) diff --git a/arch/i386/kernel/signal.c b/arch/i386/kernel/signal.c index d574e38f0f7..f5dd85656c1 100644 --- a/arch/i386/kernel/signal.c +++ b/arch/i386/kernel/signal.c @@ -199,6 +199,13 @@ asmlinkage int sys_sigreturn(unsigned long __unused) return eax; badframe: + if (show_unhandled_signals && printk_ratelimit()) + printk("%s%s[%d] bad frame in sigreturn frame:%p eip:%lx" + " esp:%lx oeax:%lx\n", + current->pid > 1 ? KERN_INFO : KERN_EMERG, + current->comm, current->pid, frame, regs->eip, + regs->esp, regs->orig_eax); + force_sig(SIGSEGV, current); return 0; } diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index 5910d3fac56..e4f61d1c624 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -308,7 +308,7 @@ cpumask_t cpu_coregroup_map(int cpu) /* representing cpus for which sibling maps can be computed */ static cpumask_t cpu_sibling_setup_map; -void set_cpu_sibling_map(int cpu) +void __cpuinit set_cpu_sibling_map(int cpu) { int i; struct cpuinfo_x86 *c = cpu_data; diff --git a/arch/i386/kernel/sysenter.c b/arch/i386/kernel/sysenter.c index ff4ee6f3326..6deb159d08e 100644 --- a/arch/i386/kernel/sysenter.c +++ b/arch/i386/kernel/sysenter.c @@ -336,7 +336,9 @@ struct vm_area_struct *get_gate_vma(struct task_struct *tsk) int in_gate_area(struct task_struct *task, unsigned long addr) { - return 0; + const struct vm_area_struct *vma = get_gate_vma(task); + + return vma && addr >= vma->vm_start && addr < vma->vm_end; } int in_gate_area_no_task(unsigned long addr) diff --git a/arch/i386/kernel/time.c b/arch/i386/kernel/time.c index a665df61f08..19a6c678d02 100644 --- a/arch/i386/kernel/time.c +++ b/arch/i386/kernel/time.c @@ -207,55 +207,9 @@ unsigned long read_persistent_clock(void) return retval; } -static void sync_cmos_clock(unsigned long dummy); - -static DEFINE_TIMER(sync_cmos_timer, sync_cmos_clock, 0, 0); -int no_sync_cmos_clock; - -static void sync_cmos_clock(unsigned long dummy) -{ - struct timeval now, next; - int fail = 1; - - /* - * If we have an externally synchronized Linux clock, then update - * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be - * called as close as possible to 500 ms before the new second starts. - * This code is run on a timer. If the clock is set, that timer - * may not expire at the correct time. Thus, we adjust... - */ - if (!ntp_synced()) - /* - * Not synced, exit, do not restart a timer (if one is - * running, let it run out). - */ - return; - - do_gettimeofday(&now); - if (now.tv_usec >= USEC_AFTER - ((unsigned) TICK_SIZE) / 2 && - now.tv_usec <= USEC_BEFORE + ((unsigned) TICK_SIZE) / 2) - fail = set_rtc_mmss(now.tv_sec); - - next.tv_usec = USEC_AFTER - now.tv_usec; - if (next.tv_usec <= 0) - next.tv_usec += USEC_PER_SEC; - - if (!fail) - next.tv_sec = 659; - else - next.tv_sec = 0; - - if (next.tv_usec >= USEC_PER_SEC) { - next.tv_sec++; - next.tv_usec -= USEC_PER_SEC; - } - mod_timer(&sync_cmos_timer, jiffies + timeval_to_jiffies(&next)); -} - -void notify_arch_cmos_timer(void) +int update_persistent_clock(struct timespec now) { - if (!no_sync_cmos_clock) - mod_timer(&sync_cmos_timer, jiffies + 1); + return set_rtc_mmss(now.tv_sec); } extern void (*late_time_init)(void); diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 3e7753c78b9..cfffe3dd9e8 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -152,7 +152,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (!stack) { unsigned long dummy; stack = &dummy; - if (task && task != current) + if (task != current) stack = (unsigned long *)task->thread.esp; } @@ -211,6 +211,7 @@ static void print_trace_address(void *data, unsigned long addr) { printk("%s [<%08lx>] ", (char *)data, addr); print_symbol("%s\n", addr); + touch_nmi_watchdog(); } static struct stacktrace_ops print_trace_ops = { @@ -617,6 +618,13 @@ fastcall void __kprobes do_general_protection(struct pt_regs * regs, current->thread.error_code = error_code; current->thread.trap_no = 13; + if (show_unhandled_signals && unhandled_signal(current, SIGSEGV) && + printk_ratelimit()) + printk(KERN_INFO + "%s[%d] general protection eip:%lx esp:%lx error:%lx\n", + current->comm, current->pid, + regs->eip, regs->esp, error_code); + force_sig(SIGSEGV, current); return; @@ -767,6 +775,8 @@ static __kprobes void default_do_nmi(struct pt_regs * regs) reassert_nmi(); } +static int ignore_nmis; + fastcall __kprobes void do_nmi(struct pt_regs * regs, long error_code) { int cpu; @@ -777,11 +787,24 @@ fastcall __kprobes void do_nmi(struct pt_regs * regs, long error_code) ++nmi_count(cpu); - default_do_nmi(regs); + if (!ignore_nmis) + default_do_nmi(regs); nmi_exit(); } +void stop_nmi(void) +{ + acpi_nmi_disable(); + ignore_nmis++; +} + +void restart_nmi(void) +{ + ignore_nmis--; + acpi_nmi_enable(); +} + #ifdef CONFIG_KPROBES fastcall void __kprobes do_int3(struct pt_regs *regs, long error_code) { diff --git a/arch/i386/kernel/vmiclock.c b/arch/i386/kernel/vmiclock.c index f9b845f4e69..b1b5ab08b26 100644 --- a/arch/i386/kernel/vmiclock.c +++ b/arch/i386/kernel/vmiclock.c @@ -32,6 +32,7 @@ #include <asm/apicdef.h> #include <asm/apic.h> #include <asm/timer.h> +#include <asm/i8253.h> #include <irq_vectors.h> #include "io_ports.h" @@ -142,6 +143,7 @@ static void vmi_timer_set_mode(enum clock_event_mode mode, switch (mode) { case CLOCK_EVT_MODE_ONESHOT: + case CLOCK_EVT_MODE_RESUME: break; case CLOCK_EVT_MODE_PERIODIC: cycles_per_hz = vmi_timer_ops.get_cycle_frequency(); diff --git a/arch/i386/lib/Makefile b/arch/i386/lib/Makefile index 22d8ac5815f..4d105fdfe81 100644 --- a/arch/i386/lib/Makefile +++ b/arch/i386/lib/Makefile @@ -4,7 +4,7 @@ lib-y = checksum.o delay.o usercopy.o getuser.o putuser.o memcpy.o strstr.o \ - bitops.o semaphore.o + bitops.o semaphore.o string.o lib-$(CONFIG_X86_USE_3DNOW) += mmx.o diff --git a/arch/i386/lib/string.c b/arch/i386/lib/string.c new file mode 100644 index 00000000000..2c773fefa3d --- /dev/null +++ b/arch/i386/lib/string.c @@ -0,0 +1,257 @@ +/* + * Most of the string-functions are rather heavily hand-optimized, + * see especially strsep,strstr,str[c]spn. They should work, but are not + * very easy to understand. Everything is done entirely within the register + * set, making the functions fast and clean. String instructions have been + * used through-out, making for "slightly" unclear code :-) + * + * AK: On P4 and K7 using non string instruction implementations might be faster + * for large memory blocks. But most of them are unlikely to be used on large + * strings. + */ + +#include <linux/string.h> +#include <linux/module.h> + +#ifdef __HAVE_ARCH_STRCPY +char *strcpy(char * dest,const char *src) +{ + int d0, d1, d2; + asm volatile( "1:\tlodsb\n\t" + "stosb\n\t" + "testb %%al,%%al\n\t" + "jne 1b" + : "=&S" (d0), "=&D" (d1), "=&a" (d2) + :"0" (src),"1" (dest) : "memory"); + return dest; +} +EXPORT_SYMBOL(strcpy); +#endif + +#ifdef __HAVE_ARCH_STRNCPY +char *strncpy(char * dest,const char *src,size_t count) +{ + int d0, d1, d2, d3; + asm volatile( "1:\tdecl %2\n\t" + "js 2f\n\t" + "lodsb\n\t" + "stosb\n\t" + "testb %%al,%%al\n\t" + "jne 1b\n\t" + "rep\n\t" + "stosb\n" + "2:" + : "=&S" (d0), "=&D" (d1), "=&c" (d2), "=&a" (d3) + :"0" (src),"1" (dest),"2" (count) : "memory"); + return dest; +} +EXPORT_SYMBOL(strncpy); +#endif + +#ifdef __HAVE_ARCH_STRCAT +char *strcat(char * dest,const char * src) +{ + int d0, d1, d2, d3; + asm volatile( "repne\n\t" + "scasb\n\t" + "decl %1\n" + "1:\tlodsb\n\t" + "stosb\n\t" + "testb %%al,%%al\n\t" + "jne 1b" + : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3) + : "0" (src), "1" (dest), "2" (0), "3" (0xffffffffu): "memory"); + return dest; +} +EXPORT_SYMBOL(strcat); +#endif + +#ifdef __HAVE_ARCH_STRNCAT +char *strncat(char * dest,const char * src,size_t count) +{ + int d0, d1, d2, d3; + asm volatile( "repne\n\t" + "scasb\n\t" + "decl %1\n\t" + "movl %8,%3\n" + "1:\tdecl %3\n\t" + "js 2f\n\t" + "lodsb\n\t" + "stosb\n\t" + "testb %%al,%%al\n\t" + "jne 1b\n" + "2:\txorl %2,%2\n\t" + "stosb" + : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3) + : "0" (src),"1" (dest),"2" (0),"3" (0xffffffffu), "g" (count) + : "memory"); + return dest; +} +EXPORT_SYMBOL(strncat); +#endif + +#ifdef __HAVE_ARCH_STRCMP +int strcmp(const char * cs,const char * ct) +{ + int d0, d1; + int res; + asm volatile( "1:\tlodsb\n\t" + "scasb\n\t" + "jne 2f\n\t" + "testb %%al,%%al\n\t" + "jne 1b\n\t" + "xorl %%eax,%%eax\n\t" + "jmp 3f\n" + "2:\tsbbl %%eax,%%eax\n\t" + "orb $1,%%al\n" + "3:" + :"=a" (res), "=&S" (d0), "=&D" (d1) + :"1" (cs),"2" (ct) + :"memory"); + return res; +} +EXPORT_SYMBOL(strcmp); +#endif + +#ifdef __HAVE_ARCH_STRNCMP +int strncmp(const char * cs,const char * ct,size_t count) +{ + int res; + int d0, d1, d2; + asm volatile( "1:\tdecl %3\n\t" + "js 2f\n\t" + "lodsb\n\t" + "scasb\n\t" + "jne 3f\n\t" + "testb %%al,%%al\n\t" + "jne 1b\n" + "2:\txorl %%eax,%%eax\n\t" + "jmp 4f\n" + "3:\tsbbl %%eax,%%eax\n\t" + "orb $1,%%al\n" + "4:" + :"=a" (res), "=&S" (d0), "=&D" (d1), "=&c" (d2) + :"1" (cs),"2" (ct),"3" (count) + :"memory"); + return res; +} +EXPORT_SYMBOL(strncmp); +#endif + +#ifdef __HAVE_ARCH_STRCHR +char *strchr(const char * s, int c) +{ + int d0; + char * res; + asm volatile( "movb %%al,%%ah\n" + "1:\tlodsb\n\t" + "cmpb %%ah,%%al\n\t" + "je 2f\n\t" + "testb %%al,%%al\n\t" + "jne 1b\n\t" + "movl $1,%1\n" + "2:\tmovl %1,%0\n\t" + "decl %0" + :"=a" (res), "=&S" (d0) + :"1" (s),"0" (c) + :"memory"); + return res; +} +EXPORT_SYMBOL(strchr); +#endif + +#ifdef __HAVE_ARCH_STRRCHR +char *strrchr(const char * s, int c) +{ + int d0, d1; + char * res; + asm volatile( "movb %%al,%%ah\n" + "1:\tlodsb\n\t" + "cmpb %%ah,%%al\n\t" + "jne 2f\n\t" + "leal -1(%%esi),%0\n" + "2:\ttestb %%al,%%al\n\t" + "jne 1b" + :"=g" (res), "=&S" (d0), "=&a" (d1) + :"0" (0),"1" (s),"2" (c) + :"memory"); + return res; +} +EXPORT_SYMBOL(strrchr); +#endif + +#ifdef __HAVE_ARCH_STRLEN +size_t strlen(const char * s) +{ + int d0; + int res; + asm volatile( "repne\n\t" + "scasb\n\t" + "notl %0\n\t" + "decl %0" + :"=c" (res), "=&D" (d0) + :"1" (s),"a" (0), "0" (0xffffffffu) + :"memory"); + return res; +} +EXPORT_SYMBOL(strlen); +#endif + +#ifdef __HAVE_ARCH_MEMCHR +void *memchr(const void *cs,int c,size_t count) +{ + int d0; + void *res; + if (!count) + return NULL; + asm volatile( "repne\n\t" + "scasb\n\t" + "je 1f\n\t" + "movl $1,%0\n" + "1:\tdecl %0" + :"=D" (res), "=&c" (d0) + :"a" (c),"0" (cs),"1" (count) + :"memory"); + return res; +} +EXPORT_SYMBOL(memchr); +#endif + +#ifdef __HAVE_ARCH_MEMSCAN +void *memscan(void * addr, int c, size_t size) +{ + if (!size) + return addr; + asm volatile("repnz; scasb\n\t" + "jnz 1f\n\t" + "dec %%edi\n" + "1:" + : "=D" (addr), "=c" (size) + : "0" (addr), "1" (size), "a" (c) + : "memory"); + return addr; +} +EXPORT_SYMBOL(memscan); +#endif + +#ifdef __HAVE_ARCH_STRNLEN +size_t strnlen(const char *s, size_t count) +{ + int d0; + int res; + asm volatile( "movl %2,%0\n\t" + "jmp 2f\n" + "1:\tcmpb $0,(%0)\n\t" + "je 3f\n\t" + "incl %0\n" + "2:\tdecl %1\n\t" + "cmpl $-1,%1\n\t" + "jne 1b\n" + "3:\tsubl %2,%0" + :"=a" (res), "=&d" (d0) + :"c" (s),"1" (count) + :"memory"); + return res; +} +EXPORT_SYMBOL(strnlen); +#endif diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c index e92a1012493..01ffdd4964f 100644 --- a/arch/i386/mm/fault.c +++ b/arch/i386/mm/fault.c @@ -283,6 +283,8 @@ static inline int vmalloc_fault(unsigned long address) return 0; } +int show_unhandled_signals = 1; + /* * This routine handles page faults. It determines the address, * and the problem, and then passes it off to one of the appropriate @@ -469,6 +471,14 @@ bad_area_nosemaphore: if (is_prefetch(regs, address, error_code)) return; + if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) && + printk_ratelimit()) { + printk("%s%s[%d]: segfault at %08lx eip %08lx " + "esp %08lx error %lx\n", + tsk->pid > 1 ? KERN_INFO : KERN_EMERG, + tsk->comm, tsk->pid, address, regs->eip, + regs->esp, error_code); + } tsk->thread.cr2 = address; /* Kernel addresses are always protection faults */ tsk->thread.error_code = error_code | (address >= TASK_SIZE); diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index 6e72f22e6bb..c3b9905af2d 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -471,6 +471,10 @@ void zap_low_mappings (void) flush_tlb_all(); } +int nx_enabled = 0; + +#ifdef CONFIG_X86_PAE + static int disable_nx __initdata = 0; u64 __supported_pte_mask __read_mostly = ~_PAGE_NX; EXPORT_SYMBOL_GPL(__supported_pte_mask); @@ -500,9 +504,6 @@ static int __init noexec_setup(char *str) } early_param("noexec", noexec_setup); -int nx_enabled = 0; -#ifdef CONFIG_X86_PAE - static void __init set_nx(void) { unsigned int v[4], l, h; @@ -799,17 +800,9 @@ void mark_rodata_ro(void) unsigned long start = PFN_ALIGN(_text); unsigned long size = PFN_ALIGN(_etext) - start; -#ifndef CONFIG_KPROBES -#ifdef CONFIG_HOTPLUG_CPU - /* It must still be possible to apply SMP alternatives. */ - if (num_possible_cpus() <= 1) -#endif - { - change_page_attr(virt_to_page(start), - size >> PAGE_SHIFT, PAGE_KERNEL_RX); - printk("Write protecting the kernel text: %luk\n", size >> 10); - } -#endif + change_page_attr(virt_to_page(start), + size >> PAGE_SHIFT, PAGE_KERNEL_RX); + printk("Write protecting the kernel text: %luk\n", size >> 10); start += size; size = (unsigned long)__end_rodata - start; change_page_attr(virt_to_page(start), diff --git a/arch/i386/mm/ioremap.c b/arch/i386/mm/ioremap.c index fff08ae7b5e..0b278315d73 100644 --- a/arch/i386/mm/ioremap.c +++ b/arch/i386/mm/ioremap.c @@ -196,7 +196,7 @@ void iounmap(volatile void __iomem *addr) /* Reset the direct mapping. Can block */ if ((p->flags >> 20) && p->phys_addr < virt_to_phys(high_memory) - 1) { change_page_attr(virt_to_page(__va(p->phys_addr)), - p->size >> PAGE_SHIFT, + get_vm_area_size(p) >> PAGE_SHIFT, PAGE_KERNEL); global_flush_tlb(); } diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c index 37992ffb163..8927222b3ab 100644 --- a/arch/i386/mm/pageattr.c +++ b/arch/i386/mm/pageattr.c @@ -82,7 +82,7 @@ static void flush_kernel_map(void *arg) struct page *p; /* High level code is not ready for clflush yet */ - if (0 && cpu_has_clflush) { + if (cpu_has_clflush) { list_for_each_entry (p, lh, lru) cache_flush_page(p); } else if (boot_cpu_data.x86_model >= 4) @@ -136,6 +136,12 @@ static inline void revert_page(struct page *kpte_page, unsigned long address) ref_prot)); } +static inline void save_page(struct page *kpte_page) +{ + if (!test_and_set_bit(PG_arch_1, &kpte_page->flags)) + list_add(&kpte_page->lru, &df_list); +} + static int __change_page_attr(struct page *page, pgprot_t prot) { @@ -150,6 +156,9 @@ __change_page_attr(struct page *page, pgprot_t prot) if (!kpte) return -EINVAL; kpte_page = virt_to_page(kpte); + BUG_ON(PageLRU(kpte_page)); + BUG_ON(PageCompound(kpte_page)); + if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL)) { if (!pte_huge(*kpte)) { set_pte_atomic(kpte, mk_pte(page, prot)); @@ -179,11 +188,11 @@ __change_page_attr(struct page *page, pgprot_t prot) * time (not via split_large_page) and in turn we must not * replace it with a largepage. */ + + save_page(kpte_page); if (!PageReserved(kpte_page)) { if (cpu_has_pse && (page_private(kpte_page) == 0)) { - ClearPagePrivate(kpte_page); paravirt_release_pt(page_to_pfn(kpte_page)); - list_add(&kpte_page->lru, &df_list); revert_page(kpte_page, address); } } @@ -236,6 +245,11 @@ void global_flush_tlb(void) spin_unlock_irq(&cpa_lock); flush_map(&l); list_for_each_entry_safe(pg, next, &l, lru) { + list_del(&pg->lru); + clear_bit(PG_arch_1, &pg->flags); + if (PageReserved(pg) || !cpu_has_pse || page_private(pg) != 0) + continue; + ClearPagePrivate(pg); __free_page(pg); } } diff --git a/arch/i386/mm/pgtable.c b/arch/i386/mm/pgtable.c index 8d7c0864cc0..01437c46baa 100644 --- a/arch/i386/mm/pgtable.c +++ b/arch/i386/mm/pgtable.c @@ -235,7 +235,7 @@ static inline void pgd_list_del(pgd_t *pgd) #if (PTRS_PER_PMD == 1) /* Non-PAE pgd constructor */ -void pgd_ctor(void *pgd) +static void pgd_ctor(void *pgd) { unsigned long flags; @@ -257,7 +257,7 @@ void pgd_ctor(void *pgd) } #else /* PTRS_PER_PMD > 1 */ /* PAE pgd constructor */ -void pgd_ctor(void *pgd) +static void pgd_ctor(void *pgd) { /* PAE, kernel PMD may be shared */ @@ -276,7 +276,7 @@ void pgd_ctor(void *pgd) } #endif /* PTRS_PER_PMD */ -void pgd_dtor(void *pgd) +static void pgd_dtor(void *pgd) { unsigned long flags; /* can be called from interrupt context */ diff --git a/arch/i386/pci/acpi.c b/arch/i386/pci/acpi.c index b33aea845f5..bc8a44bddaa 100644 --- a/arch/i386/pci/acpi.c +++ b/arch/i386/pci/acpi.c @@ -8,20 +8,42 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int domain, int busnum) { struct pci_bus *bus; + struct pci_sysdata *sd; + int pxm; + + /* Allocate per-root-bus (not per bus) arch-specific data. + * TODO: leak; this memory is never freed. + * It's arguable whether it's worth the trouble to care. + */ + sd = kzalloc(sizeof(*sd), GFP_KERNEL); + if (!sd) { + printk(KERN_ERR "PCI: OOM, not probing PCI bus %02x\n", busnum); + return NULL; + } if (domain != 0) { printk(KERN_WARNING "PCI: Multiple domains not supported\n"); + kfree(sd); return NULL; } - bus = pcibios_scan_root(busnum); + sd->node = -1; + + pxm = acpi_get_pxm(device->handle); +#ifdef CONFIG_ACPI_NUMA + if (pxm >= 0) + sd->node = pxm_to_node(pxm); +#endif + + bus = pci_scan_bus_parented(NULL, busnum, &pci_root_ops, sd); + if (!bus) + kfree(sd); + #ifdef CONFIG_ACPI_NUMA if (bus != NULL) { - int pxm = acpi_get_pxm(device->handle); if (pxm >= 0) { - bus->sysdata = (void *)(unsigned long)pxm_to_node(pxm); - printk("bus %d -> pxm %d -> node %ld\n", - busnum, pxm, (long)(bus->sysdata)); + printk("bus %d -> pxm %d -> node %d\n", + busnum, pxm, sd->node); } } #endif diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c index 3f78d4d8ecf..85503deeda4 100644 --- a/arch/i386/pci/common.c +++ b/arch/i386/pci/common.c @@ -293,6 +293,7 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = { struct pci_bus * __devinit pcibios_scan_root(int busnum) { struct pci_bus *bus = NULL; + struct pci_sysdata *sd; dmi_check_system(pciprobe_dmi_table); @@ -303,9 +304,19 @@ struct pci_bus * __devinit pcibios_scan_root(int busnum) } } + /* Allocate per-root-bus (not per bus) arch-specific data. + * TODO: leak; this memory is never freed. + * It's arguable whether it's worth the trouble to care. + */ + sd = kzalloc(sizeof(*sd), GFP_KERNEL); + if (!sd) { + printk(KERN_ERR "PCI: OOM, not probing PCI bus %02x\n", busnum); + return NULL; + } + printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busnum); - return pci_scan_bus_parented(NULL, busnum, &pci_root_ops, NULL); + return pci_scan_bus_parented(NULL, busnum, &pci_root_ops, sd); } extern u8 pci_cache_line_size; diff --git a/arch/i386/pci/mmconfig-shared.c b/arch/i386/pci/mmconfig-shared.c index c7cabeed4d7..4df637e34f8 100644 --- a/arch/i386/pci/mmconfig-shared.c +++ b/arch/i386/pci/mmconfig-shared.c @@ -24,6 +24,9 @@ DECLARE_BITMAP(pci_mmcfg_fallback_slots, 32*PCI_MMCFG_MAX_CHECK_BUS); +/* Indicate if the mmcfg resources have been placed into the resource table. */ +static int __initdata pci_mmcfg_resources_inserted; + /* K8 systems have some devices (typically in the builtin northbridge) that are only accessible using type1 Normally this can be expressed in the MCFG by not listing them @@ -170,7 +173,7 @@ static int __init pci_mmcfg_check_hostbridge(void) return name != NULL; } -static void __init pci_mmcfg_insert_resources(void) +static void __init pci_mmcfg_insert_resources(unsigned long resource_flags) { #define PCI_MMCFG_RESOURCE_NAME_LEN 19 int i; @@ -194,10 +197,13 @@ static void __init pci_mmcfg_insert_resources(void) cfg->pci_segment); res->start = cfg->address; res->end = res->start + (num_buses << 20) - 1; - res->flags = IORESOURCE_MEM | IORESOURCE_BUSY; + res->flags = IORESOURCE_MEM | resource_flags; insert_resource(&iomem_resource, res); names += PCI_MMCFG_RESOURCE_NAME_LEN; } + + /* Mark that the resources have been inserted. */ + pci_mmcfg_resources_inserted = 1; } static void __init pci_mmcfg_reject_broken(int type) @@ -267,7 +273,43 @@ void __init pci_mmcfg_init(int type) if (type == 1) unreachable_devices(); if (known_bridge) - pci_mmcfg_insert_resources(); + pci_mmcfg_insert_resources(IORESOURCE_BUSY); pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF; + } else { + /* + * Signal not to attempt to insert mmcfg resources because + * the architecture mmcfg setup could not initialize. + */ + pci_mmcfg_resources_inserted = 1; } } + +static int __init pci_mmcfg_late_insert_resources(void) +{ + /* + * If resources are already inserted or we are not using MMCONFIG, + * don't insert the resources. + */ + if ((pci_mmcfg_resources_inserted == 1) || + (pci_probe & PCI_PROBE_MMCONF) == 0 || + (pci_mmcfg_config_num == 0) || + (pci_mmcfg_config == NULL) || + (pci_mmcfg_config[0].address == 0)) + return 1; + + /* + * Attempt to insert the mmcfg resources but not with the busy flag + * marked so it won't cause request errors when __request_region is + * called. + */ + pci_mmcfg_insert_resources(0); + + return 0; +} + +/* + * Perform MMCONFIG resource insertion after PCI initialization to allow for + * misprogrammed MCFG tables that state larger sizes but actually conflict + * with other system resources. + */ +late_initcall(pci_mmcfg_late_insert_resources); diff --git a/arch/i386/xen/time.c b/arch/i386/xen/time.c index 51fdabf1fd4..dfd6db69ead 100644 --- a/arch/i386/xen/time.c +++ b/arch/i386/xen/time.c @@ -412,6 +412,7 @@ static void xen_timerop_set_mode(enum clock_event_mode mode, break; case CLOCK_EVT_MODE_ONESHOT: + case CLOCK_EVT_MODE_RESUME: break; case CLOCK_EVT_MODE_UNUSED: @@ -474,6 +475,8 @@ static void xen_vcpuop_set_mode(enum clock_event_mode mode, HYPERVISOR_vcpu_op(VCPUOP_stop_periodic_timer, cpu, NULL)) BUG(); break; + case CLOCK_EVT_MODE_RESUME: + break; } } diff --git a/arch/i386/xen/xen-head.S b/arch/i386/xen/xen-head.S index 2998d55a001..bc71f3bc401 100644 --- a/arch/i386/xen/xen-head.S +++ b/arch/i386/xen/xen-head.S @@ -7,6 +7,7 @@ #include <asm/boot.h> #include <xen/interface/elfnote.h> + .section .init.text ENTRY(startup_xen) movl %esi,xen_start_info cld @@ -19,6 +20,7 @@ ENTRY(hypercall_page) .skip 0x1000 .popsection + .section .text ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux") ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6") ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0") diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index e1189ba1ca5..1cfab326fb7 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -226,7 +226,7 @@ elf32_set_personality (void) } static unsigned long -elf32_map (struct file *filep, unsigned long addr, struct elf_phdr *eppnt, int prot, int type, unsigned long unused) +elf32_map (struct file *filep, unsigned long addr, struct elf_phdr *eppnt, int prot, int type) { unsigned long pgoff = (eppnt->p_vaddr) & ~IA32_PAGE_MASK; diff --git a/arch/powerpc/boot/ps3-head.S b/arch/powerpc/boot/ps3-head.S index 1a6d64a68df..a55c2735f75 100644 --- a/arch/powerpc/boot/ps3-head.S +++ b/arch/powerpc/boot/ps3-head.S @@ -20,6 +20,8 @@ #include "ppc_asm.h" + .machine "ppc64" + .text /* diff --git a/arch/powerpc/boot/ps3-hvcall.S b/arch/powerpc/boot/ps3-hvcall.S index c8b7df3210d..585965f7e6a 100644 --- a/arch/powerpc/boot/ps3-hvcall.S +++ b/arch/powerpc/boot/ps3-hvcall.S @@ -20,6 +20,8 @@ #include "ppc_asm.h" + .machine "ppc64" + /* * The PS3 hypervisor uses a 64 bit "C" language calling convention. * The routines here marshal arguments between the 32 bit wrapper diff --git a/arch/powerpc/mm/tlb_32.c b/arch/powerpc/mm/tlb_32.c index 06c7e77e097..eb4b512d65f 100644 --- a/arch/powerpc/mm/tlb_32.c +++ b/arch/powerpc/mm/tlb_32.c @@ -26,6 +26,8 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/highmem.h> +#include <linux/pagemap.h> + #include <asm/tlbflush.h> #include <asm/tlb.h> diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 7de4e919687..4100ddc52f0 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -2177,8 +2177,8 @@ struct tree_descr spufs_dir_contents[] = { { "mbox_stat", &spufs_mbox_stat_fops, 0444, }, { "ibox_stat", &spufs_ibox_stat_fops, 0444, }, { "wbox_stat", &spufs_wbox_stat_fops, 0444, }, - { "signal1", &spufs_signal1_fops, 0666, }, - { "signal2", &spufs_signal2_fops, 0666, }, + { "signal1", &spufs_signal1_nosched_fops, 0222, }, + { "signal2", &spufs_signal2_nosched_fops, 0222, }, { "signal1_type", &spufs_signal1_type, 0666, }, { "signal2_type", &spufs_signal2_type, 0666, }, { "cntl", &spufs_cntl_fops, 0666, }, diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig index a05079b0769..d4fc74f7bb1 100644 --- a/arch/powerpc/platforms/ps3/Kconfig +++ b/arch/powerpc/platforms/ps3/Kconfig @@ -102,4 +102,40 @@ config PS3_STORAGE depends on PPC_PS3 tristate +config PS3_DISK + tristate "PS3 Disk Storage Driver" + depends on PPC_PS3 && BLOCK + select PS3_STORAGE + help + Include support for the PS3 Disk Storage. + + This support is required to access the PS3 hard disk. + In general, all users will say Y or M. + +config PS3_ROM + tristate "PS3 BD/DVD/CD-ROM Storage Driver" + depends on PPC_PS3 && SCSI + select PS3_STORAGE + help + Include support for the PS3 ROM Storage. + + This support is required to access the PS3 BD/DVD/CD-ROM drive. + In general, all users will say Y or M. + Also make sure to say Y or M to "SCSI CDROM support" later. + +config PS3_FLASH + tristate "PS3 FLASH ROM Storage Driver" + depends on PPC_PS3 + select PS3_STORAGE + help + Include support for the PS3 FLASH ROM Storage. + + This support is required to access the PS3 FLASH ROM, which + contains the boot loader and some boot options. + In general, all users will say Y or M. + + As this driver needs a fixed buffer of 256 KiB of memory, it can + be disabled on the kernel command line using "ps3flash=off", to + not allocate this fixed buffer. + endmenu diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c index 097ebd49f1b..7aca37d7976 100644 --- a/arch/sh/kernel/timers/timer-tmu.c +++ b/arch/sh/kernel/timers/timer-tmu.c @@ -80,6 +80,7 @@ static void tmu_set_mode(enum clock_event_mode mode, break; case CLOCK_EVT_MODE_UNUSED: case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_RESUME: break; } } diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index 831f540251f..eac38388f5f 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -1749,8 +1749,8 @@ fpload: __ndelay: save %sp, -STACKFRAME_SZ, %sp mov %i0, %o0 - call .umul - mov 0x1ad, %o1 ! 2**32 / (1 000 000 000 / HZ) + call .umul ! round multiplier up so large ns ok + mov 0x1ae, %o1 ! 2**32 / (1 000 000 000 / HZ) call .umul mov %i1, %o1 ! udelay_val ba delay_continue @@ -1760,11 +1760,17 @@ __ndelay: __udelay: save %sp, -STACKFRAME_SZ, %sp mov %i0, %o0 - sethi %hi(0x10c6), %o1 + sethi %hi(0x10c7), %o1 ! round multiplier up so large us ok call .umul - or %o1, %lo(0x10c6), %o1 ! 2**32 / 1 000 000 + or %o1, %lo(0x10c7), %o1 ! 2**32 / 1 000 000 call .umul mov %i1, %o1 ! udelay_val + sethi %hi(0x028f4b62), %l0 ! Add in rounding constant * 2**32, + or %g0, %lo(0x028f4b62), %l0 + addcc %o0, %l0, %o0 ! 2**32 * 0.009 999 + bcs,a 3f + add %o1, 0x01, %o1 +3: call .umul mov HZ, %o0 ! >>32 earlier for wider range diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index f257a67bcf9..75b2240ad0f 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -47,6 +47,8 @@ #include <asm/cacheflush.h> #include <asm/irq_regs.h> +#include "irq.h" + #ifdef CONFIG_SMP #define SMP_NOP2 "nop; nop;\n\t" #define SMP_NOP3 "nop; nop; nop;\n\t" @@ -268,7 +270,7 @@ void free_irq(unsigned int irq, void *dev_id) kfree(action); if (!sparc_irq[cpu_irq].action) - disable_irq(irq); + __disable_irq(irq); out_unlock: spin_unlock_irqrestore(&irq_action_lock, flags); @@ -464,7 +466,7 @@ int request_fast_irq(unsigned int irq, sparc_irq[cpu_irq].action = action; - enable_irq(irq); + __enable_irq(irq); ret = 0; out_unlock: @@ -544,7 +546,7 @@ int request_irq(unsigned int irq, *actionp = action; - enable_irq(irq); + __enable_irq(irq); ret = 0; out_unlock: @@ -555,6 +557,25 @@ out: EXPORT_SYMBOL(request_irq); +void disable_irq_nosync(unsigned int irq) +{ + return __disable_irq(irq); +} +EXPORT_SYMBOL(disable_irq_nosync); + +void disable_irq(unsigned int irq) +{ + return __disable_irq(irq); +} +EXPORT_SYMBOL(disable_irq); + +void enable_irq(unsigned int irq) +{ + return __enable_irq(irq); +} + +EXPORT_SYMBOL(enable_irq); + /* We really don't need these at all on the Sparc. We only have * stubs here because they are exported to modules. */ diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h new file mode 100644 index 00000000000..32ef3ebd0a8 --- /dev/null +++ b/arch/sparc/kernel/irq.h @@ -0,0 +1,68 @@ +#include <asm/btfixup.h> + +/* Dave Redman (djhr@tadpole.co.uk) + * changed these to function pointers.. it saves cycles and will allow + * the irq dependencies to be split into different files at a later date + * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size. + * Jakub Jelinek (jj@sunsite.mff.cuni.cz) + * Changed these to btfixup entities... It saves cycles :) + */ + +BTFIXUPDEF_CALL(void, disable_irq, unsigned int) +BTFIXUPDEF_CALL(void, enable_irq, unsigned int) +BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int) +BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int) +BTFIXUPDEF_CALL(void, clear_clock_irq, void) +BTFIXUPDEF_CALL(void, clear_profile_irq, int) +BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int) + +static inline void __disable_irq(unsigned int irq) +{ + BTFIXUP_CALL(disable_irq)(irq); +} + +static inline void __enable_irq(unsigned int irq) +{ + BTFIXUP_CALL(enable_irq)(irq); +} + +static inline void disable_pil_irq(unsigned int irq) +{ + BTFIXUP_CALL(disable_pil_irq)(irq); +} + +static inline void enable_pil_irq(unsigned int irq) +{ + BTFIXUP_CALL(enable_pil_irq)(irq); +} + +static inline void clear_clock_irq(void) +{ + BTFIXUP_CALL(clear_clock_irq)(); +} + +static inline void clear_profile_irq(int irq) +{ + BTFIXUP_CALL(clear_profile_irq)(irq); +} + +static inline void load_profile_irq(int cpu, int limit) +{ + BTFIXUP_CALL(load_profile_irq)(cpu, limit); +} + +extern void (*sparc_init_timers)(irq_handler_t lvl10_irq); + +extern void claim_ticker14(irq_handler_t irq_handler, + int irq, + unsigned int timeout); + +#ifdef CONFIG_SMP +BTFIXUPDEF_CALL(void, set_cpu_int, int, int) +BTFIXUPDEF_CALL(void, clear_cpu_int, int, int) +BTFIXUPDEF_CALL(void, set_irq_udt, int) + +#define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level) +#define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level) +#define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu) +#endif diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index 79177119690..f2eae457fc9 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -36,6 +36,7 @@ #include <asm/uaccess.h> #include <asm/irq_regs.h> +#include "irq.h" /* * I studied different documents and many live PROMs both from 2.30 diff --git a/arch/sparc/kernel/smp.c b/arch/sparc/kernel/smp.c index 4fea3ac7bff..6724ab90f82 100644 --- a/arch/sparc/kernel/smp.c +++ b/arch/sparc/kernel/smp.c @@ -33,6 +33,8 @@ #include <asm/tlbflush.h> #include <asm/cpudata.h> +#include "irq.h" + int smp_num_cpus = 1; volatile unsigned long cpu_callin_map[NR_CPUS] __initdata = {0,}; unsigned char boot_cpu_id = 0; diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c index d8e008a04e2..55bac516dfe 100644 --- a/arch/sparc/kernel/sparc_ksyms.c +++ b/arch/sparc/kernel/sparc_ksyms.c @@ -154,8 +154,6 @@ EXPORT_SYMBOL(BTFIXUP_CALL(___xchg32)); #else EXPORT_SYMBOL(BTFIXUP_CALL(__hard_smp_processor_id)); #endif -EXPORT_SYMBOL(BTFIXUP_CALL(enable_irq)); -EXPORT_SYMBOL(BTFIXUP_CALL(disable_irq)); EXPORT_SYMBOL(BTFIXUP_CALL(mmu_unlockarea)); EXPORT_SYMBOL(BTFIXUP_CALL(mmu_lockarea)); EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_sgl)); diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index 009e891a432..c6ac9fc5256 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -18,6 +18,7 @@ #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/init.h> +#include "irq.h" #include <asm/ptrace.h> #include <asm/processor.h> @@ -40,6 +41,20 @@ static struct resource sun4c_timer_eb = { "sun4c_timer" }; static struct resource sun4c_intr_eb = { "sun4c_intr" }; #endif +/* + * Bit field defines for the interrupt registers on various + * Sparc machines. + */ + +/* The sun4c interrupt register. */ +#define SUN4C_INT_ENABLE 0x01 /* Allow interrupts. */ +#define SUN4C_INT_E14 0x80 /* Enable level 14 IRQ. */ +#define SUN4C_INT_E10 0x20 /* Enable level 10 IRQ. */ +#define SUN4C_INT_E8 0x10 /* Enable level 8 IRQ. */ +#define SUN4C_INT_E6 0x08 /* Enable level 6 IRQ. */ +#define SUN4C_INT_E4 0x04 /* Enable level 4 IRQ. */ +#define SUN4C_INT_E1 0x02 /* Enable level 1 IRQ. */ + /* Pointer to the interrupt enable byte * * Dave Redman (djhr@tadpole.co.uk) diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index 396797e20c3..e0efab2a6be 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -39,6 +39,8 @@ #include <asm/cacheflush.h> #include <asm/irq_regs.h> +#include "irq.h" + /* If you trust current SCSI layer to handle different SCSI IRQs, enable this. I don't trust it... -jj */ /* #define DISTRIBUTE_IRQS */ @@ -188,7 +190,7 @@ void sun4d_free_irq(unsigned int irq, void *dev_id) kfree(action); if (!(*actionp)) - disable_irq(irq); + __disable_irq(irq); out_unlock: spin_unlock_irqrestore(&irq_action_lock, flags); @@ -346,7 +348,7 @@ int sun4d_request_irq(unsigned int irq, else *actionp = action; - enable_irq(irq); + __enable_irq(irq); ret = 0; out_unlock: diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index 098c94f1a32..89a6de95070 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -36,6 +36,7 @@ #include <asm/cacheflush.h> #include <asm/cpudata.h> +#include "irq.h" #define IRQ_CROSS_CALL 15 extern ctxd_t *srmmu_ctx_table_phys; diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index 91a803ea88b..b92d6d2d5b0 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -38,11 +38,85 @@ #include <asm/sbus.h> #include <asm/cacheflush.h> +#include "irq.h" + +/* On the sun4m, just like the timers, we have both per-cpu and master + * interrupt registers. + */ + +/* These registers are used for sending/receiving irqs from/to + * different cpu's. + */ +struct sun4m_intreg_percpu { + unsigned int tbt; /* Interrupts still pending for this cpu. */ + + /* These next two registers are WRITE-ONLY and are only + * "on bit" sensitive, "off bits" written have NO affect. + */ + unsigned int clear; /* Clear this cpus irqs here. */ + unsigned int set; /* Set this cpus irqs here. */ + unsigned char space[PAGE_SIZE - 12]; +}; + +/* + * djhr + * Actually the clear and set fields in this struct are misleading.. + * according to the SLAVIO manual (and the same applies for the SEC) + * the clear field clears bits in the mask which will ENABLE that IRQ + * the set field sets bits in the mask to DISABLE the IRQ. + * + * Also the undirected_xx address in the SLAVIO is defined as + * RESERVED and write only.. + * + * DAVEM_NOTE: The SLAVIO only specifies behavior on uniprocessor + * sun4m machines, for MP the layout makes more sense. + */ +struct sun4m_intregs { + struct sun4m_intreg_percpu cpu_intregs[SUN4M_NCPUS]; + unsigned int tbt; /* IRQ's that are still pending. */ + unsigned int irqs; /* Master IRQ bits. */ + + /* Again, like the above, two these registers are WRITE-ONLY. */ + unsigned int clear; /* Clear master IRQ's by setting bits here. */ + unsigned int set; /* Set master IRQ's by setting bits here. */ + + /* This register is both READ and WRITE. */ + unsigned int undirected_target; /* Which cpu gets undirected irqs. */ +}; + static unsigned long dummy; struct sun4m_intregs *sun4m_interrupts; unsigned long *irq_rcvreg = &dummy; +/* Dave Redman (djhr@tadpole.co.uk) + * The sun4m interrupt registers. + */ +#define SUN4M_INT_ENABLE 0x80000000 +#define SUN4M_INT_E14 0x00000080 +#define SUN4M_INT_E10 0x00080000 + +#define SUN4M_HARD_INT(x) (0x000000001 << (x)) +#define SUN4M_SOFT_INT(x) (0x000010000 << (x)) + +#define SUN4M_INT_MASKALL 0x80000000 /* mask all interrupts */ +#define SUN4M_INT_MODULE_ERR 0x40000000 /* module error */ +#define SUN4M_INT_M2S_WRITE 0x20000000 /* write buffer error */ +#define SUN4M_INT_ECC 0x10000000 /* ecc memory error */ +#define SUN4M_INT_FLOPPY 0x00400000 /* floppy disk */ +#define SUN4M_INT_MODULE 0x00200000 /* module interrupt */ +#define SUN4M_INT_VIDEO 0x00100000 /* onboard video */ +#define SUN4M_INT_REALTIME 0x00080000 /* system timer */ +#define SUN4M_INT_SCSI 0x00040000 /* onboard scsi */ +#define SUN4M_INT_AUDIO 0x00020000 /* audio/isdn */ +#define SUN4M_INT_ETHERNET 0x00010000 /* onboard ethernet */ +#define SUN4M_INT_SERIAL 0x00008000 /* serial ports */ +#define SUN4M_INT_KBDMS 0x00004000 /* keyboard/mouse */ +#define SUN4M_INT_SBUSBITS 0x00003F80 /* sbus int bits */ + +#define SUN4M_INT_SBUS(x) (1 << (x+7)) +#define SUN4M_INT_VME(x) (1 << (x)) + /* These tables only apply for interrupts greater than 15.. * * any intr value below 0x10 is considered to be a soft-int diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 63ed19bfd02..730eb5796f8 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -31,6 +31,8 @@ #include <asm/oplib.h> #include <asm/cpudata.h> +#include "irq.h" + #define IRQ_RESCHEDULE 13 #define IRQ_STOP_CPU 14 #define IRQ_CROSS_CALL 15 diff --git a/arch/sparc/kernel/tick14.c b/arch/sparc/kernel/tick14.c index f1a7bd19e04..707bfda8657 100644 --- a/arch/sparc/kernel/tick14.c +++ b/arch/sparc/kernel/tick14.c @@ -25,6 +25,8 @@ #include <asm/irq.h> #include <asm/io.h> +#include "irq.h" + extern unsigned long lvl14_save[5]; static unsigned long *linux_lvl14 = NULL; static unsigned long obp_lvl14[4]; @@ -62,7 +64,7 @@ void claim_ticker14(irq_handler_t handler, /* first we copy the obp handler instructions */ - disable_irq(irq_nr); + __disable_irq(irq_nr); if (!handler) return; @@ -79,6 +81,6 @@ void claim_ticker14(irq_handler_t handler, NULL)) { install_linux_ticker(); load_profile_irq(cpu, timeout); - enable_irq(irq_nr); + __enable_irq(irq_nr); } } diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index f2fdbb3664d..6a251332162 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -44,6 +44,8 @@ #include <asm/of_device.h> #include <asm/irq_regs.h> +#include "irq.h" + DEFINE_SPINLOCK(rtc_lock); enum sparc_clock_type sp_clock_typ; DEFINE_SPINLOCK(mostek_lock); diff --git a/arch/sparc/mm/init.c b/arch/sparc/mm/init.c index a532922e2e3..a1bef07755a 100644 --- a/arch/sparc/mm/init.c +++ b/arch/sparc/mm/init.c @@ -308,6 +308,9 @@ extern void sun4c_paging_init(void); extern void srmmu_paging_init(void); extern void device_scan(void); +pgprot_t PAGE_SHARED __read_mostly; +EXPORT_SYMBOL(PAGE_SHARED); + void __init paging_init(void) { switch(sparc_cpu_model) { diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index ca26232da7a..17b485f2825 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -2154,7 +2154,7 @@ void __init ld_mmu_srmmu(void) BTFIXUPSET_SIMM13(ptrs_per_pgd, SRMMU_PTRS_PER_PGD); BTFIXUPSET_INT(page_none, pgprot_val(SRMMU_PAGE_NONE)); - BTFIXUPSET_INT(page_shared, pgprot_val(SRMMU_PAGE_SHARED)); + PAGE_SHARED = pgprot_val(SRMMU_PAGE_SHARED); BTFIXUPSET_INT(page_copy, pgprot_val(SRMMU_PAGE_COPY)); BTFIXUPSET_INT(page_readonly, pgprot_val(SRMMU_PAGE_RDONLY)); BTFIXUPSET_INT(page_kernel, pgprot_val(SRMMU_PAGE_KERNEL)); diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index bdd835fba02..a57a366e339 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -2155,7 +2155,7 @@ void __init ld_mmu_sun4c(void) BTFIXUPSET_SIMM13(user_ptrs_per_pgd, KERNBASE / SUN4C_PGDIR_SIZE); BTFIXUPSET_INT(page_none, pgprot_val(SUN4C_PAGE_NONE)); - BTFIXUPSET_INT(page_shared, pgprot_val(SUN4C_PAGE_SHARED)); + PAGE_SHARED = pgprot_val(SUN4C_PAGE_SHARED); BTFIXUPSET_INT(page_copy, pgprot_val(SUN4C_PAGE_COPY)); BTFIXUPSET_INT(page_readonly, pgprot_val(SUN4C_PAGE_READONLY)); BTFIXUPSET_INT(page_kernel, pgprot_val(SUN4C_PAGE_KERNEL)); diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index f1cc55677ff..33dabf588bd 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -23,6 +23,10 @@ config GENERIC_TIME bool default y +config GENERIC_CMOS_UPDATE + bool + default y + config GENERIC_CLOCKEVENTS bool default y diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c index 7d36531aa5b..d270c2f0be0 100644 --- a/arch/sparc64/kernel/sparc64_ksyms.c +++ b/arch/sparc64/kernel/sparc64_ksyms.c @@ -280,6 +280,7 @@ EXPORT_SYMBOL(sys_getgid); EXPORT_SYMBOL(svr4_getcontext); EXPORT_SYMBOL(svr4_setcontext); EXPORT_SYMBOL(compat_sys_ioctl); +EXPORT_SYMBOL(sys_ioctl); EXPORT_SYMBOL(sparc32_open); #endif diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index e340eb401fb..49063ca2efc 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -403,58 +403,9 @@ static struct sparc64_tick_ops hbtick_operations __read_mostly = { static unsigned long timer_ticks_per_nsec_quotient __read_mostly; -#define TICK_SIZE (tick_nsec / 1000) - -#define USEC_AFTER 500000 -#define USEC_BEFORE 500000 - -static void sync_cmos_clock(unsigned long dummy); - -static DEFINE_TIMER(sync_cmos_timer, sync_cmos_clock, 0, 0); - -static void sync_cmos_clock(unsigned long dummy) -{ - struct timeval now, next; - int fail = 1; - - /* - * If we have an externally synchronized Linux clock, then update - * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be - * called as close as possible to 500 ms before the new second starts. - * This code is run on a timer. If the clock is set, that timer - * may not expire at the correct time. Thus, we adjust... - */ - if (!ntp_synced()) - /* - * Not synced, exit, do not restart a timer (if one is - * running, let it run out). - */ - return; - - do_gettimeofday(&now); - if (now.tv_usec >= USEC_AFTER - ((unsigned) TICK_SIZE) / 2 && - now.tv_usec <= USEC_BEFORE + ((unsigned) TICK_SIZE) / 2) - fail = set_rtc_mmss(now.tv_sec); - - next.tv_usec = USEC_AFTER - now.tv_usec; - if (next.tv_usec <= 0) - next.tv_usec += USEC_PER_SEC; - - if (!fail) - next.tv_sec = 659; - else - next.tv_sec = 0; - - if (next.tv_usec >= USEC_PER_SEC) { - next.tv_sec++; - next.tv_usec -= USEC_PER_SEC; - } - mod_timer(&sync_cmos_timer, jiffies + timeval_to_jiffies(&next)); -} - -void notify_arch_cmos_timer(void) +int update_persistent_clock(struct timespec now) { - mod_timer(&sync_cmos_timer, jiffies + 1); + return set_rtc_mmss(now.tv_sec); } /* Kick start a stopped clock (procedure from the Sun NVRAM/hostid FAQ). */ @@ -931,6 +882,7 @@ static void sparc64_timer_setup(enum clock_event_mode mode, { switch (mode) { case CLOCK_EVT_MODE_ONESHOT: + case CLOCK_EVT_MODE_RESUME: break; case CLOCK_EVT_MODE_SHUTDOWN: diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 14bf8ce3ea2..45f82ae6d38 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -32,6 +32,10 @@ config GENERIC_TIME_VSYSCALL bool default y +config GENERIC_CMOS_UPDATE + bool + default y + config ZONE_DMA32 bool default y @@ -56,6 +60,14 @@ config ZONE_DMA bool default y +config QUICKLIST + bool + default y + +config NR_QUICK + int + default 2 + config ISA bool diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile index 29617ae3926..128561d3e87 100644 --- a/arch/x86_64/Makefile +++ b/arch/x86_64/Makefile @@ -76,7 +76,8 @@ head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kern libs-y += arch/x86_64/lib/ core-y += arch/x86_64/kernel/ \ arch/x86_64/mm/ \ - arch/x86_64/crypto/ + arch/x86_64/crypto/ \ + arch/x86_64/vdso/ core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/ drivers-$(CONFIG_PCI) += arch/x86_64/pci/ drivers-$(CONFIG_OPROFILE) += arch/x86_64/oprofile/ diff --git a/arch/x86_64/boot/compressed/Makefile b/arch/x86_64/boot/compressed/Makefile index c9f2da7496c..877c0bdbbc6 100644 --- a/arch/x86_64/boot/compressed/Makefile +++ b/arch/x86_64/boot/compressed/Makefile @@ -3,8 +3,6 @@ # # create a compressed vmlinux image from the original vmlinux # -# Note all the files here are compiled/linked as 32bit executables. -# targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig index 40178e5c310..b7c4cd04bfc 100644 --- a/arch/x86_64/defconfig +++ b/arch/x86_64/defconfig @@ -1,19 +1,22 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.22-rc2 -# Mon May 21 13:23:40 2007 +# Linux kernel version: 2.6.22-git14 +# Fri Jul 20 09:53:15 2007 # CONFIG_X86_64=y CONFIG_64BIT=y CONFIG_X86=y CONFIG_GENERIC_TIME=y CONFIG_GENERIC_TIME_VSYSCALL=y +CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_ZONE_DMA32=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_SEMAPHORE_SLEEPERS=y CONFIG_MMU=y CONFIG_ZONE_DMA=y +CONFIG_QUICKLIST=y +CONFIG_NR_QUICK=2 CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y @@ -44,19 +47,18 @@ 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_USER_NS is not set # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=18 # CONFIG_CPUSETS is not set CONFIG_SYSFS_DEPRECATED=y -# CONFIG_RELAY is not set +CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y @@ -86,10 +88,6 @@ CONFIG_SLAB=y CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 - -# -# Loadable module support -# CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y @@ -97,12 +95,9 @@ CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_MODULE_SRCVERSION_ALL is not set # CONFIG_KMOD is not set CONFIG_STOP_MACHINE=y - -# -# Block layer -# CONFIG_BLOCK=y # CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_BLK_DEV_BSG is not set # # IO Schedulers @@ -165,9 +160,12 @@ CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_MIGRATION=y CONFIG_RESOURCES_64BIT=y CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y CONFIG_OUT_OF_LINE_PFN_TO_PAGE=y CONFIG_NR_CPUS=32 +CONFIG_PHYSICAL_ALIGN=0x200000 CONFIG_HOTPLUG_CPU=y CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y CONFIG_HPET_TIMER=y @@ -180,7 +178,7 @@ CONFIG_X86_MCE_INTEL=y CONFIG_X86_MCE_AMD=y # CONFIG_KEXEC is not set # CONFIG_CRASH_DUMP is not set -CONFIG_RELOCATABLE=y +# CONFIG_RELOCATABLE is not set CONFIG_PHYSICAL_START=0x200000 CONFIG_SECCOMP=y # CONFIG_CC_STACKPROTECTOR is not set @@ -201,7 +199,6 @@ CONFIG_GENERIC_PENDING_IRQ=y CONFIG_PM=y # CONFIG_PM_LEGACY is not set # CONFIG_PM_DEBUG is not set -# CONFIG_PM_SYSFS_DEPRECATED is not set CONFIG_SOFTWARE_SUSPEND=y CONFIG_PM_STD_PARTITION="" CONFIG_SUSPEND_SMP=y @@ -248,7 +245,7 @@ CONFIG_CPU_FREQ_GOV_PERFORMANCE=y # CONFIG_CPU_FREQ_GOV_POWERSAVE is not set CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=y -# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set +CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y # # CPUFreq processor drivers @@ -351,20 +348,8 @@ CONFIG_IPV6_SIT=y # CONFIG_IPV6_MULTIPLE_TABLES 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 @@ -401,6 +386,7 @@ CONFIG_IPV6_SIT=y # CONFIG_MAC80211 is not set # CONFIG_IEEE80211 is not set # CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set # # Device Drivers @@ -415,21 +401,9 @@ 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 is not set # CONFIG_MTD is not set - -# -# Parallel port support -# # CONFIG_PARPORT is not set - -# -# Plug and Play support -# CONFIG_PNP=y # CONFIG_PNP_DEBUG is not set @@ -437,10 +411,7 @@ CONFIG_PNP=y # Protocols # CONFIG_PNPACPI=y - -# -# Block devices -# +CONFIG_BLK_DEV=y CONFIG_BLK_DEV_FD=y # CONFIG_BLK_CPQ_DA is not set # CONFIG_BLK_CPQ_CISS_DA is not set @@ -458,17 +429,14 @@ CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set - -# -# Misc devices -# +CONFIG_MISC_DEVICES=y # CONFIG_IBM_ASM is not set # CONFIG_PHANTOM is not set +# CONFIG_EEPROM_93CX6 is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set # CONFIG_SONY_LAPTOP is not set # CONFIG_THINKPAD_ACPI is not set -# CONFIG_BLINK is not set CONFIG_IDE=y CONFIG_BLK_DEV_IDE=y @@ -539,6 +507,7 @@ CONFIG_BLK_DEV_IDEDMA=y # # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +CONFIG_SCSI_DMA=y # CONFIG_SCSI_TGT is not set CONFIG_SCSI_NETLINK=y # CONFIG_SCSI_PROC_FS is not set @@ -590,11 +559,9 @@ CONFIG_AIC79XX_DEBUG_MASK=0 # CONFIG_AIC79XX_REG_PRETTY_PRINT is not set # CONFIG_SCSI_AIC94XX is not set # CONFIG_SCSI_ARCMSR is not set -CONFIG_MEGARAID_NEWGEN=y -CONFIG_MEGARAID_MM=y -CONFIG_MEGARAID_MAILBOX=y +# CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set -CONFIG_MEGARAID_SAS=y +# CONFIG_MEGARAID_SAS is not set # CONFIG_SCSI_HPTIOP is not set # CONFIG_SCSI_BUSLOGIC is not set # CONFIG_SCSI_DMX3191D is not set @@ -614,7 +581,6 @@ CONFIG_MEGARAID_SAS=y # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set # CONFIG_SCSI_DEBUG is not set -# CONFIG_SCSI_ESP_CORE is not set # CONFIG_SCSI_SRP is not set CONFIG_ATA=y # CONFIG_ATA_NONSTANDARD is not set @@ -671,10 +637,6 @@ CONFIG_SATA_VIA=y # CONFIG_PATA_SIS is not set # CONFIG_PATA_VIA is not set # CONFIG_PATA_WINBOND is not set - -# -# Multi-device support (RAID and LVM) -# CONFIG_MD=y # CONFIG_BLK_DEV_MD is not set CONFIG_BLK_DEV_DM=y @@ -692,7 +654,7 @@ CONFIG_BLK_DEV_DM=y CONFIG_FUSION=y CONFIG_FUSION_SPI=y # CONFIG_FUSION_FC is not set -CONFIG_FUSION_SAS=y +# CONFIG_FUSION_SAS is not set CONFIG_FUSION_MAX_SGE=128 # CONFIG_FUSION_CTL is not set @@ -710,7 +672,10 @@ CONFIG_IEEE1394=y # # Controllers # -# CONFIG_IEEE1394_PCILYNX is not set + +# +# Texas Instruments PCILynx requires I2C +# CONFIG_IEEE1394_OHCI1394=y # @@ -722,32 +687,19 @@ CONFIG_IEEE1394_OHCI1394=y # CONFIG_IEEE1394_ETH1394 is not set # CONFIG_IEEE1394_DV1394 is not set CONFIG_IEEE1394_RAWIO=y - -# -# I2O device support -# # CONFIG_I2O is not set -# CONFIG_MACINTOSH_DRIVERS is not set - -# -# Network device support -# +CONFIG_MACINTOSH_DRIVERS=y +# CONFIG_MAC_EMUMOUSEBTN is not set CONFIG_NETDEVICES=y +CONFIG_NETDEVICES_MULTIQUEUE=y # CONFIG_DUMMY is not set # CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set # CONFIG_EQUALIZER is not set CONFIG_TUN=y # CONFIG_NET_SB1000 is not set - -# -# ARCnet devices -# # CONFIG_ARCNET is not set # CONFIG_PHYLIB is not set - -# -# Ethernet (10 or 100Mbit) -# CONFIG_NET_ETHERNET=y CONFIG_MII=y # CONFIG_HAPPYMEAL is not set @@ -756,10 +708,6 @@ CONFIG_MII=y CONFIG_NET_VENDOR_3COM=y CONFIG_VORTEX=y # CONFIG_TYPHOON is not set - -# -# Tulip family network device support -# CONFIG_NET_TULIP=y # CONFIG_DE2104X is not set CONFIG_TULIP=y @@ -773,7 +721,8 @@ CONFIG_TULIP=y # CONFIG_HP100 is not set CONFIG_NET_PCI=y # CONFIG_PCNET32 is not set -# CONFIG_AMD8111_ETH is not set +CONFIG_AMD8111_ETH=y +# CONFIG_AMD8111E_NAPI is not set # CONFIG_ADAPTEC_STARFIRE is not set CONFIG_B44=y CONFIG_FORCEDETH=y @@ -808,7 +757,6 @@ CONFIG_E1000=y # CONFIG_SIS190 is not set # CONFIG_SKGE is not set # CONFIG_SKY2 is not set -# CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y CONFIG_BNX2=y @@ -823,10 +771,6 @@ CONFIG_S2IO=m # CONFIG_MYRI10GE is not set # CONFIG_NETXEN_NIC is not set # CONFIG_MLX4_CORE is not set - -# -# Token Ring devices -# # CONFIG_TR is not set # @@ -855,15 +799,7 @@ CONFIG_NETCONSOLE=y CONFIG_NETPOLL=y # CONFIG_NETPOLL_TRAP is not set CONFIG_NET_POLL_CONTROLLER=y - -# -# ISDN subsystem -# # CONFIG_ISDN is not set - -# -# Telephony Support -# # CONFIG_PHONE is not set # @@ -871,6 +807,7 @@ CONFIG_NET_POLL_CONTROLLER=y # CONFIG_INPUT=y # CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set # # Userland interfaces @@ -936,6 +873,7 @@ CONFIG_HW_CONSOLE=y # CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_FIX_EARLYCON_MEM=y CONFIG_SERIAL_8250_PCI=y CONFIG_SERIAL_8250_PNP=y CONFIG_SERIAL_8250_NR_UARTS=4 @@ -951,16 +889,11 @@ CONFIG_SERIAL_CORE_CONSOLE=y CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 - -# -# IPMI -# # CONFIG_IPMI_HANDLER is not set # CONFIG_WATCHDOG is not set CONFIG_HW_RANDOM=y CONFIG_HW_RANDOM_INTEL=y CONFIG_HW_RANDOM_AMD=y -# CONFIG_HW_RANDOM_GEODE is not set # CONFIG_NVRAM is not set CONFIG_RTC=y # CONFIG_R3964 is not set @@ -979,127 +912,19 @@ CONFIG_HPET=y # CONFIG_HPET_RTC_IRQ is not set CONFIG_HPET_MMAP=y # CONFIG_HANGCHECK_TIMER is not set - -# -# TPM devices -# # CONFIG_TCG_TPM is not set # CONFIG_TELCLOCK is not set CONFIG_DEVPORT=y -CONFIG_I2C=m -CONFIG_I2C_BOARDINFO=y -CONFIG_I2C_CHARDEV=m - -# -# I2C Algorithms -# -# CONFIG_I2C_ALGOBIT is not set -# CONFIG_I2C_ALGOPCF is not set -# CONFIG_I2C_ALGOPCA is not set - -# -# I2C Hardware Bus support -# -# CONFIG_I2C_ALI1535 is not set -# CONFIG_I2C_ALI1563 is not set -# CONFIG_I2C_ALI15X3 is not set -# CONFIG_I2C_AMD756 is not set -# CONFIG_I2C_AMD8111 is not set -# CONFIG_I2C_I801 is not set -# CONFIG_I2C_I810 is not set -# CONFIG_I2C_PIIX4 is not set -# CONFIG_I2C_NFORCE2 is not set -# CONFIG_I2C_OCORES is not set -# CONFIG_I2C_PARPORT_LIGHT is not set -# CONFIG_I2C_PROSAVAGE is not set -# CONFIG_I2C_SAVAGE4 is not set -# CONFIG_I2C_SIMTEC is not set -# CONFIG_I2C_SIS5595 is not set -# CONFIG_I2C_SIS630 is not set -# CONFIG_I2C_SIS96X is not set -# CONFIG_I2C_STUB is not set -# CONFIG_I2C_TINY_USB is not set -# CONFIG_I2C_VIA is not set -# CONFIG_I2C_VIAPRO is not set -# CONFIG_I2C_VOODOO3 is not set - -# -# Miscellaneous I2C Chip support -# -# CONFIG_SENSORS_DS1337 is not set -# CONFIG_SENSORS_DS1374 is not set -# CONFIG_SENSORS_EEPROM is not set -# CONFIG_SENSORS_PCF8574 is not set -# CONFIG_SENSORS_PCA9539 is not set -# CONFIG_SENSORS_PCF8591 is not set -# CONFIG_SENSORS_MAX6875 is not set -# CONFIG_I2C_DEBUG_CORE is not set -# CONFIG_I2C_DEBUG_ALGO is not set -# CONFIG_I2C_DEBUG_BUS is not set -# CONFIG_I2C_DEBUG_CHIP is not set +# 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 -CONFIG_HWMON=y -# CONFIG_HWMON_VID is not set -# CONFIG_SENSORS_ABITUGURU is not set -# CONFIG_SENSORS_AD7418 is not set -# 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_K8TEMP is not set -# CONFIG_SENSORS_ASB100 is not set -# CONFIG_SENSORS_ATXP1 is not set -# CONFIG_SENSORS_DS1621 is not set -# CONFIG_SENSORS_F71805F is not set -# CONFIG_SENSORS_FSCHER is not set -# CONFIG_SENSORS_FSCPOS is not set -# CONFIG_SENSORS_GL518SM is not set -# CONFIG_SENSORS_GL520SM is not set -CONFIG_SENSORS_CORETEMP=y -# CONFIG_SENSORS_IT87 is not set -# CONFIG_SENSORS_LM63 is not set -# CONFIG_SENSORS_LM75 is not set -# CONFIG_SENSORS_LM77 is not set -# CONFIG_SENSORS_LM78 is not set -# CONFIG_SENSORS_LM80 is not set -# CONFIG_SENSORS_LM83 is not set -# CONFIG_SENSORS_LM85 is not set -# CONFIG_SENSORS_LM87 is not set -# CONFIG_SENSORS_LM90 is not set -# CONFIG_SENSORS_LM92 is not set -# CONFIG_SENSORS_MAX1619 is not set -# CONFIG_SENSORS_MAX6650 is not set -# CONFIG_SENSORS_PC87360 is not set -# CONFIG_SENSORS_PC87427 is not set -# CONFIG_SENSORS_SIS5595 is not set -# CONFIG_SENSORS_SMSC47M1 is not set -# CONFIG_SENSORS_SMSC47M192 is not set -CONFIG_SENSORS_SMSC47B397=m -# CONFIG_SENSORS_VIA686A is not set -# CONFIG_SENSORS_VT1211 is not set -# CONFIG_SENSORS_VT8231 is not set -# CONFIG_SENSORS_W83781D is not set -# CONFIG_SENSORS_W83791D is not set -# CONFIG_SENSORS_W83792D is not set -# CONFIG_SENSORS_W83793 is not set -# CONFIG_SENSORS_W83L785TS is not set -# CONFIG_SENSORS_W83627HF is not set -# CONFIG_SENSORS_W83627EHF is not set -# CONFIG_SENSORS_HDAPS is not set -# CONFIG_SENSORS_APPLESMC is not set -# CONFIG_HWMON_DEBUG_CHIP is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set # # Multifunction device drivers @@ -1149,15 +974,11 @@ CONFIG_SOUND=y # Open Sound System # CONFIG_SOUND_PRIME=y -# CONFIG_OSS_OBSOLETE is not set # CONFIG_SOUND_TRIDENT is not set # CONFIG_SOUND_MSNDCLAS is not set # CONFIG_SOUND_MSNDPIN is not set # CONFIG_SOUND_OSS is not set - -# -# HID Devices -# +CONFIG_HID_SUPPORT=y CONFIG_HID=y # CONFIG_HID_DEBUG is not set @@ -1168,10 +989,7 @@ CONFIG_USB_HID=y # CONFIG_USB_HIDINPUT_POWERBOOK is not set # CONFIG_HID_FF is not set # CONFIG_USB_HIDDEV is not set - -# -# USB support -# +CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y CONFIG_USB_ARCH_HAS_EHCI=y @@ -1185,6 +1003,7 @@ CONFIG_USB_DEVICEFS=y # CONFIG_USB_DEVICE_CLASS is not set # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_SUSPEND is not set +# CONFIG_USB_PERSIST is not set # CONFIG_USB_OTG is not set # @@ -1194,7 +1013,6 @@ CONFIG_USB_EHCI_HCD=y # CONFIG_USB_EHCI_SPLIT_ISO is not set # CONFIG_USB_EHCI_ROOT_HUB_TT is not set # CONFIG_USB_EHCI_TT_NEWSCHED is not set -# CONFIG_USB_EHCI_BIG_ENDIAN_MMIO is not set # CONFIG_USB_ISP116X_HCD is not set CONFIG_USB_OHCI_HCD=y # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set @@ -1202,6 +1020,7 @@ CONFIG_USB_OHCI_HCD=y CONFIG_USB_OHCI_LITTLE_ENDIAN=y CONFIG_USB_UHCI_HCD=y # CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set # # USB Device Class drivers @@ -1292,15 +1111,7 @@ CONFIG_USB_MON=y # # LED Triggers # - -# -# InfiniBand support -# # CONFIG_INFINIBAND is not set - -# -# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) -# # CONFIG_EDAC is not set # @@ -1320,11 +1131,13 @@ CONFIG_USB_MON=y # # DMA Devices # +CONFIG_VIRTUALIZATION=y +# CONFIG_KVM is not set # -# Virtualization +# Userspace I/O # -# CONFIG_KVM is not set +# CONFIG_UIO is not set # # Firmware Drivers @@ -1332,6 +1145,7 @@ CONFIG_USB_MON=y # CONFIG_EDD is not set # CONFIG_DELL_RBU is not set # CONFIG_DCDBAS is not set +CONFIG_DMIID=y # # File systems @@ -1447,7 +1261,6 @@ CONFIG_SUNRPC=y # 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 @@ -1524,8 +1337,9 @@ CONFIG_DEBUG_FS=y CONFIG_DEBUG_KERNEL=y # CONFIG_DEBUG_SHIRQ is not set CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_SCHED_DEBUG is not set # CONFIG_SCHEDSTATS is not set -# CONFIG_TIMER_STATS is not set +CONFIG_TIMER_STATS=y # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set @@ -1533,6 +1347,7 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_MUTEXES is not set # CONFIG_DEBUG_LOCK_ALLOC is not set # CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set @@ -1541,8 +1356,6 @@ CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set -CONFIG_UNWIND_INFO=y -CONFIG_STACK_UNWIND=y # CONFIG_FORCED_INLINING is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_LKDTM is not set @@ -1557,10 +1370,6 @@ CONFIG_DEBUG_STACKOVERFLOW=y # # CONFIG_KEYS is not set # CONFIG_SECURITY is not set - -# -# Cryptographic options -# # CONFIG_CRYPTO is not set # @@ -1571,6 +1380,7 @@ CONFIG_BITREVERSE=y # CONFIG_CRC16 is not set # CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y +# CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_PLIST=y diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c index ed56a8806ea..b70f3e7cf06 100644 --- a/arch/x86_64/ia32/ia32_binfmt.c +++ b/arch/x86_64/ia32/ia32_binfmt.c @@ -38,6 +38,7 @@ int sysctl_vsyscall32 = 1; +#undef ARCH_DLINFO #define ARCH_DLINFO do { \ if (sysctl_vsyscall32) { \ NEW_AUX_ENT(AT_SYSINFO, (u32)(u64)VSYSCALL32_VSYSCALL); \ diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S index 3f66e970d86..938278697e2 100644 --- a/arch/x86_64/ia32/ia32entry.S +++ b/arch/x86_64/ia32/ia32entry.S @@ -104,7 +104,7 @@ ENTRY(ia32_sysenter_target) pushq %rax CFI_ADJUST_CFA_OFFSET 8 cld - SAVE_ARGS 0,0,0 + SAVE_ARGS 0,0,1 /* no need to do an access_ok check here because rbp has been 32bit zero extended */ 1: movl (%rbp),%r9d @@ -294,7 +294,7 @@ ia32_badarg: */ ENTRY(ia32_syscall) - CFI_STARTPROC simple + CFI_STARTPROC32 simple CFI_SIGNAL_FRAME CFI_DEF_CFA rsp,SS+8-RIP /*CFI_REL_OFFSET ss,SS-RIP*/ @@ -330,6 +330,7 @@ ia32_sysret: ia32_tracesys: SAVE_REST + CLEAR_RREGS movq $-ENOSYS,RAX(%rsp) /* really needed? */ movq %rsp,%rdi /* &pt_regs -> arg1 */ call syscall_trace_enter diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c index a3d450d6c15..8f681cae7bf 100644 --- a/arch/x86_64/kernel/aperture.c +++ b/arch/x86_64/kernel/aperture.c @@ -20,7 +20,7 @@ #include <linux/ioport.h> #include <asm/e820.h> #include <asm/io.h> -#include <asm/proto.h> +#include <asm/iommu.h> #include <asm/pci-direct.h> #include <asm/dma.h> #include <asm/k8.h> @@ -214,7 +214,7 @@ void __init iommu_hole_init(void) if (iommu_aperture_disabled || !fix_aperture || !early_pci_allowed()) return; - printk("Checking aperture...\n"); + printk(KERN_INFO "Checking aperture...\n"); fix = 0; for (num = 24; num < 32; num++) { diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c index 1b0e07bb872..900ff38d68d 100644 --- a/arch/x86_64/kernel/apic.c +++ b/arch/x86_64/kernel/apic.c @@ -92,8 +92,9 @@ unsigned int safe_apic_wait_icr_idle(void) void enable_NMI_through_LVT0 (void * dummy) { unsigned int v; - - v = APIC_DM_NMI; /* unmask and set to NMI */ + + /* unmask and set to NMI */ + v = APIC_DM_NMI; apic_write(APIC_LVT0, v); } @@ -120,7 +121,7 @@ void ack_bad_irq(unsigned int irq) * holds up an irq slot - in excessive cases (when multiple * unexpected vectors occur) that might lock up the APIC * completely. - * But don't ack when the APIC is disabled. -AK + * But don't ack when the APIC is disabled. -AK */ if (!disable_apic) ack_APIC_irq(); @@ -616,7 +617,7 @@ early_param("apic", apic_set_verbosity); * Detect and enable local APICs on non-SMP boards. * Original code written by Keir Fraser. * On AMD64 we trust the BIOS - if it says no APIC it is likely - * not correctly set up (usually the APIC timer won't work etc.) + * not correctly set up (usually the APIC timer won't work etc.) */ static int __init detect_init_APIC (void) @@ -789,13 +790,13 @@ static void setup_APIC_timer(unsigned int clocks) local_irq_save(flags); /* wait for irq slice */ - if (hpet_address && hpet_use_timer) { - int trigger = hpet_readl(HPET_T0_CMP); - while (hpet_readl(HPET_COUNTER) >= trigger) - /* do nothing */ ; - while (hpet_readl(HPET_COUNTER) < trigger) - /* do nothing */ ; - } else { + if (hpet_address && hpet_use_timer) { + int trigger = hpet_readl(HPET_T0_CMP); + while (hpet_readl(HPET_COUNTER) >= trigger) + /* do nothing */ ; + while (hpet_readl(HPET_COUNTER) < trigger) + /* do nothing */ ; + } else { int c1, c2; outb_p(0x00, 0x43); c2 = inb_p(0x40); @@ -881,10 +882,10 @@ static unsigned int calibration_result; void __init setup_boot_APIC_clock (void) { - if (disable_apic_timer) { - printk(KERN_INFO "Disabling APIC timer\n"); - return; - } + if (disable_apic_timer) { + printk(KERN_INFO "Disabling APIC timer\n"); + return; + } printk(KERN_INFO "Using local APIC timer interrupts.\n"); using_apic_timer = 1; @@ -990,8 +991,8 @@ int setup_profiling_timer(unsigned int multiplier) return -EINVAL; } -void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector, - unsigned char msg_type, unsigned char mask) +void setup_APIC_extended_lvt(unsigned char lvt_off, unsigned char vector, + unsigned char msg_type, unsigned char mask) { unsigned long reg = (lvt_off << 4) + K8_APIC_EXT_LVT_BASE; unsigned int v = (mask << 16) | (msg_type << 8) | vector; @@ -1128,20 +1129,6 @@ asmlinkage void smp_spurious_interrupt(void) if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f))) ack_APIC_irq(); -#if 0 - static unsigned long last_warning; - static unsigned long skipped; - - /* see sw-dev-man vol 3, chapter 7.4.13.5 */ - if (time_before(last_warning+30*HZ,jiffies)) { - printk(KERN_INFO "spurious APIC interrupt on CPU#%d, %ld skipped.\n", - smp_processor_id(), skipped); - last_warning = jiffies; - skipped = 0; - } else { - skipped++; - } -#endif irq_exit(); } @@ -1173,11 +1160,11 @@ asmlinkage void smp_error_interrupt(void) 7: Illegal register address */ printk (KERN_DEBUG "APIC error on CPU%d: %02x(%02x)\n", - smp_processor_id(), v , v1); + smp_processor_id(), v , v1); irq_exit(); } -int disable_apic; +int disable_apic; /* * This initializes the IO-APIC and APIC hardware if this is @@ -1185,11 +1172,11 @@ int disable_apic; */ int __init APIC_init_uniprocessor (void) { - if (disable_apic) { + if (disable_apic) { printk(KERN_INFO "Apic disabled\n"); - return -1; + return -1; } - if (!cpu_has_apic) { + if (!cpu_has_apic) { disable_apic = 1; printk(KERN_INFO "Apic disabled by BIOS\n"); return -1; @@ -1211,8 +1198,8 @@ int __init APIC_init_uniprocessor (void) return 0; } -static __init int setup_disableapic(char *str) -{ +static __init int setup_disableapic(char *str) +{ disable_apic = 1; clear_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability); return 0; @@ -1220,10 +1207,10 @@ static __init int setup_disableapic(char *str) early_param("disableapic", setup_disableapic); /* same as disableapic, for compatibility */ -static __init int setup_nolapic(char *str) -{ +static __init int setup_nolapic(char *str) +{ return setup_disableapic(str); -} +} early_param("nolapic", setup_nolapic); static int __init parse_lapic_timer_c2_ok(char *arg) @@ -1233,13 +1220,13 @@ static int __init parse_lapic_timer_c2_ok(char *arg) } early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok); -static __init int setup_noapictimer(char *str) -{ +static __init int setup_noapictimer(char *str) +{ if (str[0] != ' ' && str[0] != 0) return 0; disable_apic_timer = 1; return 1; -} +} static __init int setup_apicmaintimer(char *str) { @@ -1264,5 +1251,5 @@ static __init int setup_apicpmtimer(char *s) } __setup("apicpmtimer", setup_apicpmtimer); -__setup("noapictimer", setup_noapictimer); +__setup("noapictimer", setup_noapictimer); diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c index 13c6c37610e..0f4d5e209e9 100644 --- a/arch/x86_64/kernel/e820.c +++ b/arch/x86_64/kernel/e820.c @@ -194,37 +194,6 @@ unsigned long __init e820_end_of_ram(void) } /* - * Find the hole size in the range. - */ -unsigned long __init e820_hole_size(unsigned long start, unsigned long end) -{ - unsigned long ram = 0; - int i; - - for (i = 0; i < e820.nr_map; i++) { - struct e820entry *ei = &e820.map[i]; - unsigned long last, addr; - - if (ei->type != E820_RAM || - ei->addr+ei->size <= start || - ei->addr >= end) - continue; - - addr = round_up(ei->addr, PAGE_SIZE); - if (addr < start) - addr = start; - - last = round_down(ei->addr + ei->size, PAGE_SIZE); - if (last >= end) - last = end; - - if (last > addr) - ram += last - addr; - } - return ((end - start) - ram); -} - -/* * Mark e820 reserved areas as busy for the resource manager. */ void __init e820_reserve_resources(void) @@ -289,47 +258,61 @@ void __init e820_mark_nosave_regions(void) } } -/* Walk the e820 map and register active regions within a node */ -void __init -e820_register_active_regions(int nid, unsigned long start_pfn, - unsigned long end_pfn) +/* + * Finds an active region in the address range from start_pfn to end_pfn and + * returns its range in ei_startpfn and ei_endpfn for the e820 entry. + */ +static int __init e820_find_active_region(const struct e820entry *ei, + unsigned long start_pfn, + unsigned long end_pfn, + unsigned long *ei_startpfn, + unsigned long *ei_endpfn) { - int i; - unsigned long ei_startpfn, ei_endpfn; - for (i = 0; i < e820.nr_map; i++) { - struct e820entry *ei = &e820.map[i]; - ei_startpfn = round_up(ei->addr, PAGE_SIZE) >> PAGE_SHIFT; - ei_endpfn = round_down(ei->addr + ei->size, PAGE_SIZE) - >> PAGE_SHIFT; + *ei_startpfn = round_up(ei->addr, PAGE_SIZE) >> PAGE_SHIFT; + *ei_endpfn = round_down(ei->addr + ei->size, PAGE_SIZE) >> PAGE_SHIFT; - /* Skip map entries smaller than a page */ - if (ei_startpfn >= ei_endpfn) - continue; + /* Skip map entries smaller than a page */ + if (*ei_startpfn >= *ei_endpfn) + return 0; - /* Check if end_pfn_map should be updated */ - if (ei->type != E820_RAM && ei_endpfn > end_pfn_map) - end_pfn_map = ei_endpfn; + /* Check if end_pfn_map should be updated */ + if (ei->type != E820_RAM && *ei_endpfn > end_pfn_map) + end_pfn_map = *ei_endpfn; - /* Skip if map is outside the node */ - if (ei->type != E820_RAM || - ei_endpfn <= start_pfn || - ei_startpfn >= end_pfn) - continue; + /* Skip if map is outside the node */ + if (ei->type != E820_RAM || *ei_endpfn <= start_pfn || + *ei_startpfn >= end_pfn) + return 0; - /* Check for overlaps */ - if (ei_startpfn < start_pfn) - ei_startpfn = start_pfn; - if (ei_endpfn > end_pfn) - ei_endpfn = end_pfn; + /* Check for overlaps */ + if (*ei_startpfn < start_pfn) + *ei_startpfn = start_pfn; + if (*ei_endpfn > end_pfn) + *ei_endpfn = end_pfn; - /* Obey end_user_pfn to save on memmap */ - if (ei_startpfn >= end_user_pfn) - continue; - if (ei_endpfn > end_user_pfn) - ei_endpfn = end_user_pfn; + /* Obey end_user_pfn to save on memmap */ + if (*ei_startpfn >= end_user_pfn) + return 0; + if (*ei_endpfn > end_user_pfn) + *ei_endpfn = end_user_pfn; - add_active_range(nid, ei_startpfn, ei_endpfn); - } + return 1; +} + +/* Walk the e820 map and register active regions within a node */ +void __init +e820_register_active_regions(int nid, unsigned long start_pfn, + unsigned long end_pfn) +{ + unsigned long ei_startpfn; + unsigned long ei_endpfn; + int i; + + for (i = 0; i < e820.nr_map; i++) + if (e820_find_active_region(&e820.map[i], + start_pfn, end_pfn, + &ei_startpfn, &ei_endpfn)) + add_active_range(nid, ei_startpfn, ei_endpfn); } /* @@ -350,12 +333,35 @@ void __init add_memory_region(unsigned long start, unsigned long size, int type) e820.nr_map++; } +/* + * Find the hole size (in bytes) in the memory range. + * @start: starting address of the memory range to scan + * @end: ending address of the memory range to scan + */ +unsigned long __init e820_hole_size(unsigned long start, unsigned long end) +{ + unsigned long start_pfn = start >> PAGE_SHIFT; + unsigned long end_pfn = end >> PAGE_SHIFT; + unsigned long ei_startpfn; + unsigned long ei_endpfn; + unsigned long ram = 0; + int i; + + for (i = 0; i < e820.nr_map; i++) { + if (e820_find_active_region(&e820.map[i], + start_pfn, end_pfn, + &ei_startpfn, &ei_endpfn)) + ram += ei_endpfn - ei_startpfn; + } + return end - start - (ram << PAGE_SHIFT); +} + void __init e820_print_map(char *who) { int i; for (i = 0; i < e820.nr_map; i++) { - printk(" %s: %016Lx - %016Lx ", who, + printk(KERN_INFO " %s: %016Lx - %016Lx ", who, (unsigned long long) e820.map[i].addr, (unsigned long long) (e820.map[i].addr + e820.map[i].size)); switch (e820.map[i].type) { diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c index 990d9c218a5..13aa4fd728f 100644 --- a/arch/x86_64/kernel/early-quirks.c +++ b/arch/x86_64/kernel/early-quirks.c @@ -14,6 +14,7 @@ #include <linux/pci_ids.h> #include <asm/pci-direct.h> #include <asm/proto.h> +#include <asm/iommu.h> #include <asm/dma.h> static void __init via_bugs(void) diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index a67f87bf401..830cfc6ee8c 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -282,7 +282,7 @@ sysret_careful: sysret_signal: TRACE_IRQS_ON sti - testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP),%edx + testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx jz 1f /* Really a signal */ @@ -375,7 +375,7 @@ int_very_careful: jmp int_restore_rest int_signal: - testl $(_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_SINGLESTEP),%edx + testl $(_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx jz 1f movq %rsp,%rdi # &ptregs -> arg1 xorl %esi,%esi # oldset -> arg2 @@ -599,7 +599,7 @@ retint_careful: jmp retint_check retint_signal: - testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP),%edx + testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx jz retint_swapgs TRACE_IRQS_ON sti diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S index 941c84baecc..e89abcdbdde 100644 --- a/arch/x86_64/kernel/head.S +++ b/arch/x86_64/kernel/head.S @@ -25,7 +25,7 @@ */ .text - .section .bootstrap.text + .section .text.head .code64 .globl startup_64 startup_64: @@ -243,10 +243,16 @@ ENTRY(secondary_startup_64) lretq /* SMP bootup changes these two */ +#ifndef CONFIG_HOTPLUG_CPU + .pushsection .init.data +#endif .align 8 .globl initial_code initial_code: .quad x86_64_start_kernel +#ifndef CONFIG_HOTPLUG_CPU + .popsection +#endif .globl init_rsp init_rsp: .quad init_thread_union+THREAD_SIZE-8 diff --git a/arch/x86_64/kernel/hpet.c b/arch/x86_64/kernel/hpet.c index b8286968662..e2d1b912e15 100644 --- a/arch/x86_64/kernel/hpet.c +++ b/arch/x86_64/kernel/hpet.c @@ -133,7 +133,7 @@ struct clocksource clocksource_hpet = { .vread = vread_hpet, }; -int hpet_arch_init(void) +int __init hpet_arch_init(void) { unsigned int id; u64 tmp; @@ -190,7 +190,7 @@ int hpet_reenable(void) */ #define TICK_COUNT 100000000 -#define TICK_MIN 5000 +#define SMI_THRESHOLD 50000 #define MAX_TRIES 5 /* @@ -205,7 +205,7 @@ static void __init read_hpet_tsc(int *hpet, int *tsc) tsc1 = get_cycles_sync(); hpet1 = hpet_readl(HPET_COUNTER); tsc2 = get_cycles_sync(); - if (tsc2 - tsc1 > TICK_MIN) + if ((tsc2 - tsc1) < SMI_THRESHOLD) break; } *hpet = hpet1; @@ -439,7 +439,7 @@ int hpet_rtc_dropped_irq(void) return 1; } -irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs) +irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) { struct rtc_time curr_time; unsigned long rtc_int_flag = 0; diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c index 4b326655b20..948cae64609 100644 --- a/arch/x86_64/kernel/i8259.c +++ b/arch/x86_64/kernel/i8259.c @@ -444,24 +444,6 @@ void __init init_ISA_irqs (void) } } -void apic_timer_interrupt(void); -void spurious_interrupt(void); -void error_interrupt(void); -void reschedule_interrupt(void); -void call_function_interrupt(void); -void irq_move_cleanup_interrupt(void); -void invalidate_interrupt0(void); -void invalidate_interrupt1(void); -void invalidate_interrupt2(void); -void invalidate_interrupt3(void); -void invalidate_interrupt4(void); -void invalidate_interrupt5(void); -void invalidate_interrupt6(void); -void invalidate_interrupt7(void); -void thermal_interrupt(void); -void threshold_interrupt(void); -void i8254_timer_resume(void); - static void setup_timer_hardware(void) { outb_p(0x34,0x43); /* binary, mode 2, LSB/MSB, ch 0 */ diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 1c6c6f72457..050141c0602 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -152,6 +152,32 @@ static inline void io_apic_modify(unsigned int apic, unsigned int value) writel(value, &io_apic->data); } +static int io_apic_level_ack_pending(unsigned int irq) +{ + struct irq_pin_list *entry; + unsigned long flags; + int pending = 0; + + spin_lock_irqsave(&ioapic_lock, flags); + entry = irq_2_pin + irq; + for (;;) { + unsigned int reg; + int pin; + + pin = entry->pin; + if (pin == -1) + break; + reg = io_apic_read(entry->apic, 0x10 + pin*2); + /* Is the remote IRR bit set? */ + pending |= (reg >> 14) & 1; + if (!entry->next) + break; + entry = irq_2_pin + entry->next; + } + spin_unlock_irqrestore(&ioapic_lock, flags); + return pending; +} + /* * Synchronize the IO-APIC and the CPU by doing * a dummy read from the IO-APIC @@ -1418,9 +1444,37 @@ static void ack_apic_level(unsigned int irq) ack_APIC_irq(); /* Now we can move and renable the irq */ - move_masked_irq(irq); - if (unlikely(do_unmask_irq)) + if (unlikely(do_unmask_irq)) { + /* Only migrate the irq if the ack has been received. + * + * On rare occasions the broadcast level triggered ack gets + * delayed going to ioapics, and if we reprogram the + * vector while Remote IRR is still set the irq will never + * fire again. + * + * To prevent this scenario we read the Remote IRR bit + * of the ioapic. This has two effects. + * - On any sane system the read of the ioapic will + * flush writes (and acks) going to the ioapic from + * this cpu. + * - We get to see if the ACK has actually been delivered. + * + * Based on failed experiments of reprogramming the + * ioapic entry from outside of irq context starting + * with masking the ioapic entry and then polling until + * Remote IRR was clear before reprogramming the + * ioapic I don't trust the Remote IRR bit to be + * completey accurate. + * + * However there appears to be no other way to plug + * this race, so if the Remote IRR bit is not + * accurate and is causing problems then it is a hardware bug + * and you can go talk to the chipset vendor about it. + */ + if (!io_apic_level_ack_pending(irq)) + move_masked_irq(irq); unmask_IO_APIC_irq(irq); + } } static struct irq_chip ioapic_chip __read_mostly = { diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c index d4a0d0ac993..a30e004682e 100644 --- a/arch/x86_64/kernel/kprobes.c +++ b/arch/x86_64/kernel/kprobes.c @@ -39,9 +39,9 @@ #include <linux/module.h> #include <linux/kdebug.h> -#include <asm/cacheflush.h> #include <asm/pgtable.h> #include <asm/uaccess.h> +#include <asm/alternative.h> void jprobe_return_end(void); static void __kprobes arch_copy_kprobe(struct kprobe *p); @@ -209,16 +209,12 @@ static void __kprobes arch_copy_kprobe(struct kprobe *p) void __kprobes arch_arm_kprobe(struct kprobe *p) { - *p->addr = BREAKPOINT_INSTRUCTION; - flush_icache_range((unsigned long) p->addr, - (unsigned long) p->addr + sizeof(kprobe_opcode_t)); + text_poke(p->addr, ((unsigned char []){BREAKPOINT_INSTRUCTION}), 1); } void __kprobes arch_disarm_kprobe(struct kprobe *p) { - *p->addr = p->opcode; - flush_icache_range((unsigned long) p->addr, - (unsigned long) p->addr + sizeof(kprobe_opcode_t)); + text_poke(p->addr, &p->opcode, 1); } void __kprobes arch_remove_kprobe(struct kprobe *p) diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index f3fb8174559..a66d607f5b9 100644 --- a/arch/x86_64/kernel/mce.c +++ b/arch/x86_64/kernel/mce.c @@ -18,6 +18,8 @@ #include <linux/capability.h> #include <linux/cpu.h> #include <linux/percpu.h> +#include <linux/poll.h> +#include <linux/thread_info.h> #include <linux/ctype.h> #include <linux/kmod.h> #include <linux/kdebug.h> @@ -26,6 +28,7 @@ #include <asm/mce.h> #include <asm/uaccess.h> #include <asm/smp.h> +#include <asm/idle.h> #define MISC_MCELOG_MINOR 227 #define NR_BANKS 6 @@ -34,13 +37,17 @@ atomic_t mce_entry; static int mce_dont_init; -/* 0: always panic, 1: panic if deadlock possible, 2: try to avoid panic, - 3: never panic or exit (for testing only) */ +/* + * Tolerant levels: + * 0: always panic on uncorrected errors, log corrected errors + * 1: panic or SIGBUS on uncorrected errors, log corrected errors + * 2: SIGBUS or log uncorrected errors (if possible), log corrected errors + * 3: never panic or SIGBUS, log all errors (for testing only) + */ static int tolerant = 1; static int banks; static unsigned long bank[NR_BANKS] = { [0 ... NR_BANKS-1] = ~0UL }; -static unsigned long console_logged; -static int notify_user; +static unsigned long notify_user; static int rip_msr; static int mce_bootlog = 1; static atomic_t mce_events; @@ -48,6 +55,8 @@ static atomic_t mce_events; static char trigger[128]; static char *trigger_argv[2] = { trigger, NULL }; +static DECLARE_WAIT_QUEUE_HEAD(mce_wait); + /* * Lockless MCE logging infrastructure. * This avoids deadlocks on printk locks without having to break locks. Also @@ -94,8 +103,7 @@ void mce_log(struct mce *mce) mcelog.entry[entry].finished = 1; wmb(); - if (!test_and_set_bit(0, &console_logged)) - notify_user = 1; + set_bit(0, ¬ify_user); } static void print_mce(struct mce *m) @@ -128,6 +136,7 @@ static void print_mce(struct mce *m) static void mce_panic(char *msg, struct mce *backup, unsigned long start) { int i; + oops_begin(); for (i = 0; i < MCE_LOG_LEN; i++) { unsigned long tsc = mcelog.entry[i].tsc; @@ -139,10 +148,7 @@ static void mce_panic(char *msg, struct mce *backup, unsigned long start) } if (backup) print_mce(backup); - if (tolerant >= 3) - printk("Fake panic: %s\n", msg); - else - panic(msg); + panic(msg); } static int mce_available(struct cpuinfo_x86 *c) @@ -167,17 +173,6 @@ static inline void mce_get_rip(struct mce *m, struct pt_regs *regs) } } -static void do_mce_trigger(void) -{ - static atomic_t mce_logged; - int events = atomic_read(&mce_events); - if (events != atomic_read(&mce_logged) && trigger[0]) { - /* Small race window, but should be harmless. */ - atomic_set(&mce_logged, events); - call_usermodehelper(trigger, trigger_argv, NULL, UMH_NO_WAIT); - } -} - /* * The actual machine check handler */ @@ -185,11 +180,19 @@ static void do_mce_trigger(void) void do_machine_check(struct pt_regs * regs, long error_code) { struct mce m, panicm; - int nowayout = (tolerant < 1); - int kill_it = 0; u64 mcestart = 0; int i; int panicm_found = 0; + /* + * If no_way_out gets set, there is no safe way to recover from this + * MCE. If tolerant is cranked up, we'll try anyway. + */ + int no_way_out = 0; + /* + * If kill_it gets set, there might be a way to recover from this + * error. + */ + int kill_it = 0; atomic_inc(&mce_entry); @@ -201,8 +204,9 @@ void do_machine_check(struct pt_regs * regs, long error_code) memset(&m, 0, sizeof(struct mce)); m.cpu = smp_processor_id(); rdmsrl(MSR_IA32_MCG_STATUS, m.mcgstatus); + /* if the restart IP is not valid, we're done for */ if (!(m.mcgstatus & MCG_STATUS_RIPV)) - kill_it = 1; + no_way_out = 1; rdtscll(mcestart); barrier(); @@ -221,10 +225,18 @@ void do_machine_check(struct pt_regs * regs, long error_code) continue; if (m.status & MCI_STATUS_EN) { - /* In theory _OVER could be a nowayout too, but - assume any overflowed errors were no fatal. */ - nowayout |= !!(m.status & MCI_STATUS_PCC); - kill_it |= !!(m.status & MCI_STATUS_UC); + /* if PCC was set, there's no way out */ + no_way_out |= !!(m.status & MCI_STATUS_PCC); + /* + * If this error was uncorrectable and there was + * an overflow, we're in trouble. If no overflow, + * we might get away with just killing a task. + */ + if (m.status & MCI_STATUS_UC) { + if (tolerant < 1 || m.status & MCI_STATUS_OVER) + no_way_out = 1; + kill_it = 1; + } } if (m.status & MCI_STATUS_MISCV) @@ -235,7 +247,6 @@ void do_machine_check(struct pt_regs * regs, long error_code) mce_get_rip(&m, regs); if (error_code >= 0) rdtscll(m.tsc); - wrmsrl(MSR_IA32_MC0_STATUS + i*4, 0); if (error_code != -2) mce_log(&m); @@ -251,45 +262,59 @@ void do_machine_check(struct pt_regs * regs, long error_code) } /* Never do anything final in the polling timer */ - if (!regs) { - /* Normal interrupt context here. Call trigger for any new - events. */ - do_mce_trigger(); + if (!regs) goto out; - } /* If we didn't find an uncorrectable error, pick the last one (shouldn't happen, just being safe). */ if (!panicm_found) panicm = m; - if (nowayout) + + /* + * If we have decided that we just CAN'T continue, and the user + * has not set tolerant to an insane level, give up and die. + */ + if (no_way_out && tolerant < 3) mce_panic("Machine check", &panicm, mcestart); - if (kill_it) { + + /* + * If the error seems to be unrecoverable, something should be + * done. Try to kill as little as possible. If we can kill just + * one task, do that. If the user has set the tolerance very + * high, don't try to do anything at all. + */ + if (kill_it && tolerant < 3) { int user_space = 0; - if (m.mcgstatus & MCG_STATUS_RIPV) + /* + * If the EIPV bit is set, it means the saved IP is the + * instruction which caused the MCE. + */ + if (m.mcgstatus & MCG_STATUS_EIPV) user_space = panicm.rip && (panicm.cs & 3); - - /* When the machine was in user space and the CPU didn't get - confused it's normally not necessary to panic, unless you - are paranoid (tolerant == 0) - - RED-PEN could be more tolerant for MCEs in idle, - but most likely they occur at boot anyways, where - it is best to just halt the machine. */ - if ((!user_space && (panic_on_oops || tolerant < 2)) || - (unsigned)current->pid <= 1) - mce_panic("Uncorrected machine check", &panicm, mcestart); - - /* do_exit takes an awful lot of locks and has as - slight risk of deadlocking. If you don't want that - don't set tolerant >= 2 */ - if (tolerant < 3) + + /* + * If we know that the error was in user space, send a + * SIGBUS. Otherwise, panic if tolerance is low. + * + * do_exit() takes an awful lot of locks and has a slight + * risk of deadlocking. + */ + if (user_space) { do_exit(SIGBUS); + } else if (panic_on_oops || tolerant < 2) { + mce_panic("Uncorrected machine check", + &panicm, mcestart); + } } + /* notify userspace ASAP */ + set_thread_flag(TIF_MCE_NOTIFY); + out: - /* Last thing done in the machine check exception to clear state. */ + /* the last thing we do is clear state */ + for (i = 0; i < banks; i++) + wrmsrl(MSR_IA32_MC0_STATUS+4*i, 0); wrmsrl(MSR_IA32_MCG_STATUS, 0); out2: atomic_dec(&mce_entry); @@ -344,37 +369,69 @@ static void mcheck_timer(struct work_struct *work) on_each_cpu(mcheck_check_cpu, NULL, 1, 1); /* - * It's ok to read stale data here for notify_user and - * console_logged as we'll simply get the updated versions - * on the next mcheck_timer execution and atomic operations - * on console_logged act as synchronization for notify_user - * writes. + * Alert userspace if needed. If we logged an MCE, reduce the + * polling interval, otherwise increase the polling interval. */ - if (notify_user && console_logged) { + if (mce_notify_user()) { + next_interval = max(next_interval/2, HZ/100); + } else { + next_interval = min(next_interval*2, + (int)round_jiffies_relative(check_interval*HZ)); + } + + schedule_delayed_work(&mcheck_work, next_interval); +} + +/* + * This is only called from process context. This is where we do + * anything we need to alert userspace about new MCEs. This is called + * directly from the poller and also from entry.S and idle, thanks to + * TIF_MCE_NOTIFY. + */ +int mce_notify_user(void) +{ + clear_thread_flag(TIF_MCE_NOTIFY); + if (test_and_clear_bit(0, ¬ify_user)) { static unsigned long last_print; unsigned long now = jiffies; - /* if we logged an MCE, reduce the polling interval */ - next_interval = max(next_interval/2, HZ/100); - notify_user = 0; - clear_bit(0, &console_logged); + wake_up_interruptible(&mce_wait); + if (trigger[0]) + call_usermodehelper(trigger, trigger_argv, NULL, + UMH_NO_WAIT); + if (time_after_eq(now, last_print + (check_interval*HZ))) { last_print = now; printk(KERN_INFO "Machine check events logged\n"); } - } else { - next_interval = min(next_interval*2, check_interval*HZ); + + return 1; } + return 0; +} - schedule_delayed_work(&mcheck_work, next_interval); +/* see if the idle task needs to notify userspace */ +static int +mce_idle_callback(struct notifier_block *nfb, unsigned long action, void *junk) +{ + /* IDLE_END should be safe - interrupts are back on */ + if (action == IDLE_END && test_thread_flag(TIF_MCE_NOTIFY)) + mce_notify_user(); + + return NOTIFY_OK; } +static struct notifier_block mce_idle_notifier = { + .notifier_call = mce_idle_callback, +}; static __init int periodic_mcheck_init(void) { next_interval = check_interval * HZ; if (next_interval) - schedule_delayed_work(&mcheck_work, next_interval); + schedule_delayed_work(&mcheck_work, + round_jiffies_relative(next_interval)); + idle_notifier_register(&mce_idle_notifier); return 0; } __initcall(periodic_mcheck_init); @@ -465,6 +522,40 @@ void __cpuinit mcheck_init(struct cpuinfo_x86 *c) * Character device to read and clear the MCE log. */ +static DEFINE_SPINLOCK(mce_state_lock); +static int open_count; /* #times opened */ +static int open_exclu; /* already open exclusive? */ + +static int mce_open(struct inode *inode, struct file *file) +{ + spin_lock(&mce_state_lock); + + if (open_exclu || (open_count && (file->f_flags & O_EXCL))) { + spin_unlock(&mce_state_lock); + return -EBUSY; + } + + if (file->f_flags & O_EXCL) + open_exclu = 1; + open_count++; + + spin_unlock(&mce_state_lock); + + return nonseekable_open(inode, file); +} + +static int mce_release(struct inode *inode, struct file *file) +{ + spin_lock(&mce_state_lock); + + open_count--; + open_exclu = 0; + + spin_unlock(&mce_state_lock); + + return 0; +} + static void collect_tscs(void *data) { unsigned long *cpu_tsc = (unsigned long *)data; @@ -532,6 +623,14 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, loff return err ? -EFAULT : buf - ubuf; } +static unsigned int mce_poll(struct file *file, poll_table *wait) +{ + poll_wait(file, &mce_wait, wait); + if (rcu_dereference(mcelog.next)) + return POLLIN | POLLRDNORM; + return 0; +} + static int mce_ioctl(struct inode *i, struct file *f,unsigned int cmd, unsigned long arg) { int __user *p = (int __user *)arg; @@ -555,7 +654,10 @@ static int mce_ioctl(struct inode *i, struct file *f,unsigned int cmd, unsigned } static const struct file_operations mce_chrdev_ops = { + .open = mce_open, + .release = mce_release, .read = mce_read, + .poll = mce_poll, .ioctl = mce_ioctl, }; @@ -565,6 +667,20 @@ static struct miscdevice mce_log_device = { &mce_chrdev_ops, }; +static unsigned long old_cr4 __initdata; + +void __init stop_mce(void) +{ + old_cr4 = read_cr4(); + clear_in_cr4(X86_CR4_MCE); +} + +void __init restart_mce(void) +{ + if (old_cr4 & X86_CR4_MCE) + set_in_cr4(X86_CR4_MCE); +} + /* * Old style boot options parsing. Only for compatibility. */ @@ -620,7 +736,8 @@ static void mce_restart(void) on_each_cpu(mce_init, NULL, 1, 1); next_interval = check_interval * HZ; if (next_interval) - schedule_delayed_work(&mcheck_work, next_interval); + schedule_delayed_work(&mcheck_work, + round_jiffies_relative(next_interval)); } static struct sysdev_class mce_sysclass = { diff --git a/arch/x86_64/kernel/mce_amd.c b/arch/x86_64/kernel/mce_amd.c index 03356e64f9c..2f8a7f18b0f 100644 --- a/arch/x86_64/kernel/mce_amd.c +++ b/arch/x86_64/kernel/mce_amd.c @@ -157,9 +157,9 @@ void __cpuinit mce_amd_feature_init(struct cpuinfo_x86 *c) high |= K8_APIC_EXT_LVT_ENTRY_THRESHOLD << 20; wrmsr(address, low, high); - setup_APIC_extened_lvt(K8_APIC_EXT_LVT_ENTRY_THRESHOLD, - THRESHOLD_APIC_VECTOR, - K8_APIC_EXT_INT_MSG_FIX, 0); + setup_APIC_extended_lvt(K8_APIC_EXT_LVT_ENTRY_THRESHOLD, + THRESHOLD_APIC_VECTOR, + K8_APIC_EXT_INT_MSG_FIX, 0); threshold_defaults.address = address; threshold_restart_bank(&threshold_defaults, 0, 0); diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c index 61ae57eb9e4..8bf0ca03ac8 100644 --- a/arch/x86_64/kernel/mpparse.c +++ b/arch/x86_64/kernel/mpparse.c @@ -32,7 +32,6 @@ /* Have we found an MP table */ int smp_found_config; -unsigned int __initdata maxcpus = NR_CPUS; /* * Various Linux-internal data structures created from the @@ -649,6 +648,20 @@ static int mp_find_ioapic(int gsi) return -1; } +static u8 uniq_ioapic_id(u8 id) +{ + int i; + DECLARE_BITMAP(used, 256); + bitmap_zero(used, 256); + for (i = 0; i < nr_ioapics; i++) { + struct mpc_config_ioapic *ia = &mp_ioapics[i]; + __set_bit(ia->mpc_apicid, used); + } + if (!test_bit(id, used)) + return id; + return find_first_zero_bit(used, 256); +} + void __init mp_register_ioapic(u8 id, u32 address, u32 gsi_base) { int idx = 0; @@ -656,14 +669,14 @@ void __init mp_register_ioapic(u8 id, u32 address, u32 gsi_base) if (bad_ioapic(address)) return; - idx = nr_ioapics++; + idx = nr_ioapics; mp_ioapics[idx].mpc_type = MP_IOAPIC; mp_ioapics[idx].mpc_flags = MPC_APIC_USABLE; mp_ioapics[idx].mpc_apicaddr = address; set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address); - mp_ioapics[idx].mpc_apicid = id; + mp_ioapics[idx].mpc_apicid = uniq_ioapic_id(id); mp_ioapics[idx].mpc_apicver = 0; /* @@ -680,6 +693,8 @@ void __init mp_register_ioapic(u8 id, u32 address, u32 gsi_base) mp_ioapics[idx].mpc_apicaddr, mp_ioapic_routing[idx].gsi_start, mp_ioapic_routing[idx].gsi_end); + + nr_ioapics++; } void __init diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index edbbc59b752..cb8ee9d02f8 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -384,11 +384,14 @@ int __kprobes nmi_watchdog_tick(struct pt_regs * regs, unsigned reason) return rc; } +static unsigned ignore_nmis; + asmlinkage __kprobes void do_nmi(struct pt_regs * regs, long error_code) { nmi_enter(); add_pda(__nmi_count,1); - default_do_nmi(regs); + if (!ignore_nmis) + default_do_nmi(regs); nmi_exit(); } @@ -401,6 +404,18 @@ int do_nmi_callback(struct pt_regs * regs, int cpu) return 0; } +void stop_nmi(void) +{ + acpi_nmi_disable(); + ignore_nmis++; +} + +void restart_nmi(void) +{ + ignore_nmis--; + acpi_nmi_enable(); +} + #ifdef CONFIG_SYSCTL static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu) diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c index 5bd20b542c1..ba16c968ca3 100644 --- a/arch/x86_64/kernel/pci-calgary.c +++ b/arch/x86_64/kernel/pci-calgary.c @@ -1,7 +1,7 @@ /* * Derived from arch/powerpc/kernel/iommu.c * - * Copyright (C) IBM Corporation, 2006 + * Copyright IBM Corporation, 2006-2007 * Copyright (C) 2006 Jon Mason <jdmason@kudzu.us> * * Author: Jon Mason <jdmason@kudzu.us> @@ -35,7 +35,7 @@ #include <linux/pci_ids.h> #include <linux/pci.h> #include <linux/delay.h> -#include <asm/proto.h> +#include <asm/iommu.h> #include <asm/calgary.h> #include <asm/tce.h> #include <asm/pci-direct.h> @@ -50,13 +50,7 @@ int use_calgary __read_mostly = 0; #endif /* CONFIG_CALGARY_DEFAULT_ENABLED */ #define PCI_DEVICE_ID_IBM_CALGARY 0x02a1 -#define PCI_VENDOR_DEVICE_ID_CALGARY \ - (PCI_VENDOR_ID_IBM | PCI_DEVICE_ID_IBM_CALGARY << 16) - -/* we need these for register space address calculation */ -#define START_ADDRESS 0xfe000000 -#define CHASSIS_BASE 0 -#define ONE_BASED_CHASSIS_NUM 1 +#define PCI_DEVICE_ID_IBM_CALIOC2 0x0308 /* register offsets inside the host bridge space */ #define CALGARY_CONFIG_REG 0x0108 @@ -80,6 +74,12 @@ int use_calgary __read_mostly = 0; #define PHB_MEM_2_SIZE_LOW 0x02E0 #define PHB_DOSHOLE_OFFSET 0x08E0 +/* CalIOC2 specific */ +#define PHB_SAVIOR_L2 0x0DB0 +#define PHB_PAGE_MIG_CTRL 0x0DA8 +#define PHB_PAGE_MIG_DEBUG 0x0DA0 +#define PHB_ROOT_COMPLEX_STATUS 0x0CB0 + /* PHB_CONFIG_RW */ #define PHB_TCE_ENABLE 0x20000000 #define PHB_SLOT_DISABLE 0x1C000000 @@ -92,7 +92,11 @@ int use_calgary __read_mostly = 0; /* CSR (Channel/DMA Status Register) */ #define CSR_AGENT_MASK 0xffe0ffff /* CCR (Calgary Configuration Register) */ -#define CCR_2SEC_TIMEOUT 0x000000000000000EUL +#define CCR_2SEC_TIMEOUT 0x000000000000000EUL +/* PMCR/PMDR (Page Migration Control/Debug Registers */ +#define PMR_SOFTSTOP 0x80000000 +#define PMR_SOFTSTOPFAULT 0x40000000 +#define PMR_HARDSTOP 0x20000000 #define MAX_NUM_OF_PHBS 8 /* how many PHBs in total? */ #define MAX_NUM_CHASSIS 8 /* max number of chassis */ @@ -155,9 +159,26 @@ struct calgary_bus_info { void __iomem *bbar; }; -static struct calgary_bus_info bus_info[MAX_PHB_BUS_NUM] = { { NULL, 0, 0 }, }; +static void calgary_handle_quirks(struct iommu_table *tbl, struct pci_dev *dev); +static void calgary_tce_cache_blast(struct iommu_table *tbl); +static void calgary_dump_error_regs(struct iommu_table *tbl); +static void calioc2_handle_quirks(struct iommu_table *tbl, struct pci_dev *dev); +static void calioc2_tce_cache_blast(struct iommu_table *tbl); +static void calioc2_dump_error_regs(struct iommu_table *tbl); + +static struct cal_chipset_ops calgary_chip_ops = { + .handle_quirks = calgary_handle_quirks, + .tce_cache_blast = calgary_tce_cache_blast, + .dump_error_regs = calgary_dump_error_regs +}; -static void tce_cache_blast(struct iommu_table *tbl); +static struct cal_chipset_ops calioc2_chip_ops = { + .handle_quirks = calioc2_handle_quirks, + .tce_cache_blast = calioc2_tce_cache_blast, + .dump_error_regs = calioc2_dump_error_regs +}; + +static struct calgary_bus_info bus_info[MAX_PHB_BUS_NUM] = { { NULL, 0, 0 }, }; /* enable this to stress test the chip's TCE cache */ #ifdef CONFIG_IOMMU_DEBUG @@ -187,6 +208,7 @@ static inline unsigned long verify_bit_range(unsigned long* bitmap, { return ~0UL; } + #endif /* CONFIG_IOMMU_DEBUG */ static inline unsigned int num_dma_pages(unsigned long dma, unsigned int dmalen) @@ -206,11 +228,12 @@ static inline int translate_phb(struct pci_dev* dev) } static void iommu_range_reserve(struct iommu_table *tbl, - unsigned long start_addr, unsigned int npages) + unsigned long start_addr, unsigned int npages) { unsigned long index; unsigned long end; unsigned long badbit; + unsigned long flags; index = start_addr >> PAGE_SHIFT; @@ -222,6 +245,8 @@ static void iommu_range_reserve(struct iommu_table *tbl, if (end > tbl->it_size) /* don't go off the table */ end = tbl->it_size; + spin_lock_irqsave(&tbl->it_lock, flags); + badbit = verify_bit_range(tbl->it_map, 0, index, end); if (badbit != ~0UL) { if (printk_ratelimit()) @@ -231,23 +256,29 @@ static void iommu_range_reserve(struct iommu_table *tbl, } set_bit_string(tbl->it_map, index, npages); + + spin_unlock_irqrestore(&tbl->it_lock, flags); } static unsigned long iommu_range_alloc(struct iommu_table *tbl, unsigned int npages) { + unsigned long flags; unsigned long offset; BUG_ON(npages == 0); + spin_lock_irqsave(&tbl->it_lock, flags); + offset = find_next_zero_string(tbl->it_map, tbl->it_hint, tbl->it_size, npages); if (offset == ~0UL) { - tce_cache_blast(tbl); + tbl->chip_ops->tce_cache_blast(tbl); offset = find_next_zero_string(tbl->it_map, 0, tbl->it_size, npages); if (offset == ~0UL) { printk(KERN_WARNING "Calgary: IOMMU full.\n"); + spin_unlock_irqrestore(&tbl->it_lock, flags); if (panic_on_overflow) panic("Calgary: fix the allocator.\n"); else @@ -259,17 +290,17 @@ static unsigned long iommu_range_alloc(struct iommu_table *tbl, tbl->it_hint = offset + npages; BUG_ON(tbl->it_hint > tbl->it_size); + spin_unlock_irqrestore(&tbl->it_lock, flags); + return offset; } static dma_addr_t iommu_alloc(struct iommu_table *tbl, void *vaddr, unsigned int npages, int direction) { - unsigned long entry, flags; + unsigned long entry; dma_addr_t ret = bad_dma_address; - spin_lock_irqsave(&tbl->it_lock, flags); - entry = iommu_range_alloc(tbl, npages); if (unlikely(entry == bad_dma_address)) @@ -282,23 +313,21 @@ static dma_addr_t iommu_alloc(struct iommu_table *tbl, void *vaddr, tce_build(tbl, entry, npages, (unsigned long)vaddr & PAGE_MASK, direction); - spin_unlock_irqrestore(&tbl->it_lock, flags); - return ret; error: - spin_unlock_irqrestore(&tbl->it_lock, flags); printk(KERN_WARNING "Calgary: failed to allocate %u pages in " "iommu %p\n", npages, tbl); return bad_dma_address; } -static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, +static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, unsigned int npages) { unsigned long entry; unsigned long badbit; unsigned long badend; + unsigned long flags; /* were we called with bad_dma_address? */ badend = bad_dma_address + (EMERGENCY_PAGES * PAGE_SIZE); @@ -315,6 +344,8 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, tce_free(tbl, entry, npages); + spin_lock_irqsave(&tbl->it_lock, flags); + badbit = verify_bit_range(tbl->it_map, 1, entry, entry + npages); if (badbit != ~0UL) { if (printk_ratelimit()) @@ -324,23 +355,40 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, } __clear_bit_string(tbl->it_map, entry, npages); + + spin_unlock_irqrestore(&tbl->it_lock, flags); } -static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, - unsigned int npages) +static inline struct iommu_table *find_iommu_table(struct device *dev) { - unsigned long flags; + struct pci_dev *pdev; + struct pci_bus *pbus; + struct iommu_table *tbl; - spin_lock_irqsave(&tbl->it_lock, flags); + pdev = to_pci_dev(dev); - __iommu_free(tbl, dma_addr, npages); + /* is the device behind a bridge? */ + if (unlikely(pdev->bus->parent)) + pbus = pdev->bus->parent; + else + pbus = pdev->bus; - spin_unlock_irqrestore(&tbl->it_lock, flags); + tbl = pci_iommu(pbus); + + BUG_ON(pdev->bus->parent && + (tbl->it_busno != pdev->bus->parent->number)); + + return tbl; } -static void __calgary_unmap_sg(struct iommu_table *tbl, +static void calgary_unmap_sg(struct device *dev, struct scatterlist *sglist, int nelems, int direction) { + struct iommu_table *tbl = find_iommu_table(dev); + + if (!translate_phb(to_pci_dev(dev))) + return; + while (nelems--) { unsigned int npages; dma_addr_t dma = sglist->dma_address; @@ -350,33 +398,17 @@ static void __calgary_unmap_sg(struct iommu_table *tbl, break; npages = num_dma_pages(dma, dmalen); - __iommu_free(tbl, dma, npages); + iommu_free(tbl, dma, npages); sglist++; } } -void calgary_unmap_sg(struct device *dev, struct scatterlist *sglist, - int nelems, int direction) -{ - unsigned long flags; - struct iommu_table *tbl = to_pci_dev(dev)->bus->self->sysdata; - - if (!translate_phb(to_pci_dev(dev))) - return; - - spin_lock_irqsave(&tbl->it_lock, flags); - - __calgary_unmap_sg(tbl, sglist, nelems, direction); - - spin_unlock_irqrestore(&tbl->it_lock, flags); -} - static int calgary_nontranslate_map_sg(struct device* dev, struct scatterlist *sg, int nelems, int direction) { int i; - for (i = 0; i < nelems; i++ ) { + for (i = 0; i < nelems; i++ ) { struct scatterlist *s = &sg[i]; BUG_ON(!s->page); s->dma_address = virt_to_bus(page_address(s->page) +s->offset); @@ -385,11 +417,10 @@ static int calgary_nontranslate_map_sg(struct device* dev, return nelems; } -int calgary_map_sg(struct device *dev, struct scatterlist *sg, +static int calgary_map_sg(struct device *dev, struct scatterlist *sg, int nelems, int direction) { - struct iommu_table *tbl = to_pci_dev(dev)->bus->self->sysdata; - unsigned long flags; + struct iommu_table *tbl = find_iommu_table(dev); unsigned long vaddr; unsigned int npages; unsigned long entry; @@ -398,8 +429,6 @@ int calgary_map_sg(struct device *dev, struct scatterlist *sg, if (!translate_phb(to_pci_dev(dev))) return calgary_nontranslate_map_sg(dev, sg, nelems, direction); - spin_lock_irqsave(&tbl->it_lock, flags); - for (i = 0; i < nelems; i++ ) { struct scatterlist *s = &sg[i]; BUG_ON(!s->page); @@ -423,26 +452,23 @@ int calgary_map_sg(struct device *dev, struct scatterlist *sg, s->dma_length = s->length; } - spin_unlock_irqrestore(&tbl->it_lock, flags); - return nelems; error: - __calgary_unmap_sg(tbl, sg, nelems, direction); + calgary_unmap_sg(dev, sg, nelems, direction); for (i = 0; i < nelems; i++) { sg[i].dma_address = bad_dma_address; sg[i].dma_length = 0; } - spin_unlock_irqrestore(&tbl->it_lock, flags); return 0; } -dma_addr_t calgary_map_single(struct device *dev, void *vaddr, +static dma_addr_t calgary_map_single(struct device *dev, void *vaddr, size_t size, int direction) { dma_addr_t dma_handle = bad_dma_address; unsigned long uaddr; unsigned int npages; - struct iommu_table *tbl = to_pci_dev(dev)->bus->self->sysdata; + struct iommu_table *tbl = find_iommu_table(dev); uaddr = (unsigned long)vaddr; npages = num_dma_pages(uaddr, size); @@ -455,10 +481,10 @@ dma_addr_t calgary_map_single(struct device *dev, void *vaddr, return dma_handle; } -void calgary_unmap_single(struct device *dev, dma_addr_t dma_handle, +static void calgary_unmap_single(struct device *dev, dma_addr_t dma_handle, size_t size, int direction) { - struct iommu_table *tbl = to_pci_dev(dev)->bus->self->sysdata; + struct iommu_table *tbl = find_iommu_table(dev); unsigned int npages; if (!translate_phb(to_pci_dev(dev))) @@ -468,15 +494,13 @@ void calgary_unmap_single(struct device *dev, dma_addr_t dma_handle, iommu_free(tbl, dma_handle, npages); } -void* calgary_alloc_coherent(struct device *dev, size_t size, +static void* calgary_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { void *ret = NULL; dma_addr_t mapping; unsigned int npages, order; - struct iommu_table *tbl; - - tbl = to_pci_dev(dev)->bus->self->sysdata; + struct iommu_table *tbl = find_iommu_table(dev); size = PAGE_ALIGN(size); /* size rounded up to full pages */ npages = size >> PAGE_SHIFT; @@ -552,7 +576,22 @@ static inline void __iomem* calgary_reg(void __iomem *bar, unsigned long offset) return (void __iomem*)target; } -static void tce_cache_blast(struct iommu_table *tbl) +static inline int is_calioc2(unsigned short device) +{ + return (device == PCI_DEVICE_ID_IBM_CALIOC2); +} + +static inline int is_calgary(unsigned short device) +{ + return (device == PCI_DEVICE_ID_IBM_CALGARY); +} + +static inline int is_cal_pci_dev(unsigned short device) +{ + return (is_calgary(device) || is_calioc2(device)); +} + +static void calgary_tce_cache_blast(struct iommu_table *tbl) { u64 val; u32 aer; @@ -589,6 +628,85 @@ static void tce_cache_blast(struct iommu_table *tbl) (void)readl(target); /* flush */ } +static void calioc2_tce_cache_blast(struct iommu_table *tbl) +{ + void __iomem *bbar = tbl->bbar; + void __iomem *target; + u64 val64; + u32 val; + int i = 0; + int count = 1; + unsigned char bus = tbl->it_busno; + +begin: + printk(KERN_DEBUG "Calgary: CalIOC2 bus 0x%x entering tce cache blast " + "sequence - count %d\n", bus, count); + + /* 1. using the Page Migration Control reg set SoftStop */ + target = calgary_reg(bbar, phb_offset(bus) | PHB_PAGE_MIG_CTRL); + val = be32_to_cpu(readl(target)); + printk(KERN_DEBUG "1a. read 0x%x [LE] from %p\n", val, target); + val |= PMR_SOFTSTOP; + printk(KERN_DEBUG "1b. writing 0x%x [LE] to %p\n", val, target); + writel(cpu_to_be32(val), target); + + /* 2. poll split queues until all DMA activity is done */ + printk(KERN_DEBUG "2a. starting to poll split queues\n"); + target = calgary_reg(bbar, split_queue_offset(bus)); + do { + val64 = readq(target); + i++; + } while ((val64 & 0xff) != 0xff && i < 100); + if (i == 100) + printk(KERN_WARNING "CalIOC2: PCI bus not quiesced, " + "continuing anyway\n"); + + /* 3. poll Page Migration DEBUG for SoftStopFault */ + target = calgary_reg(bbar, phb_offset(bus) | PHB_PAGE_MIG_DEBUG); + val = be32_to_cpu(readl(target)); + printk(KERN_DEBUG "3. read 0x%x [LE] from %p\n", val, target); + + /* 4. if SoftStopFault - goto (1) */ + if (val & PMR_SOFTSTOPFAULT) { + if (++count < 100) + goto begin; + else { + printk(KERN_WARNING "CalIOC2: too many SoftStopFaults, " + "aborting TCE cache flush sequence!\n"); + return; /* pray for the best */ + } + } + + /* 5. Slam into HardStop by reading PHB_PAGE_MIG_CTRL */ + target = calgary_reg(bbar, phb_offset(bus) | PHB_PAGE_MIG_CTRL); + printk(KERN_DEBUG "5a. slamming into HardStop by reading %p\n", target); + val = be32_to_cpu(readl(target)); + printk(KERN_DEBUG "5b. read 0x%x [LE] from %p\n", val, target); + target = calgary_reg(bbar, phb_offset(bus) | PHB_PAGE_MIG_DEBUG); + val = be32_to_cpu(readl(target)); + printk(KERN_DEBUG "5c. read 0x%x [LE] from %p (debug)\n", val, target); + + /* 6. invalidate TCE cache */ + printk(KERN_DEBUG "6. invalidating TCE cache\n"); + target = calgary_reg(bbar, tar_offset(bus)); + writeq(tbl->tar_val, target); + + /* 7. Re-read PMCR */ + printk(KERN_DEBUG "7a. Re-reading PMCR\n"); + target = calgary_reg(bbar, phb_offset(bus) | PHB_PAGE_MIG_CTRL); + val = be32_to_cpu(readl(target)); + printk(KERN_DEBUG "7b. read 0x%x [LE] from %p\n", val, target); + + /* 8. Remove HardStop */ + printk(KERN_DEBUG "8a. removing HardStop from PMCR\n"); + target = calgary_reg(bbar, phb_offset(bus) | PHB_PAGE_MIG_CTRL); + val = 0; + printk(KERN_DEBUG "8b. writing 0x%x [LE] to %p\n", val, target); + writel(cpu_to_be32(val), target); + val = be32_to_cpu(readl(target)); + printk(KERN_DEBUG "8c. read 0x%x [LE] from %p\n", val, target); +} + static void __init calgary_reserve_mem_region(struct pci_dev *dev, u64 start, u64 limit) { @@ -598,7 +716,7 @@ static void __init calgary_reserve_mem_region(struct pci_dev *dev, u64 start, limit++; numpages = ((limit - start) >> PAGE_SHIFT); - iommu_range_reserve(dev->sysdata, start, numpages); + iommu_range_reserve(pci_iommu(dev->bus), start, numpages); } static void __init calgary_reserve_peripheral_mem_1(struct pci_dev *dev) @@ -606,7 +724,7 @@ static void __init calgary_reserve_peripheral_mem_1(struct pci_dev *dev) void __iomem *target; u64 low, high, sizelow; u64 start, limit; - struct iommu_table *tbl = dev->sysdata; + struct iommu_table *tbl = pci_iommu(dev->bus); unsigned char busnum = dev->bus->number; void __iomem *bbar = tbl->bbar; @@ -630,7 +748,7 @@ static void __init calgary_reserve_peripheral_mem_2(struct pci_dev *dev) u32 val32; u64 low, high, sizelow, sizehigh; u64 start, limit; - struct iommu_table *tbl = dev->sysdata; + struct iommu_table *tbl = pci_iommu(dev->bus); unsigned char busnum = dev->bus->number; void __iomem *bbar = tbl->bbar; @@ -666,14 +784,20 @@ static void __init calgary_reserve_regions(struct pci_dev *dev) { unsigned int npages; u64 start; - struct iommu_table *tbl = dev->sysdata; + struct iommu_table *tbl = pci_iommu(dev->bus); /* reserve EMERGENCY_PAGES from bad_dma_address and up */ iommu_range_reserve(tbl, bad_dma_address, EMERGENCY_PAGES); /* avoid the BIOS/VGA first 640KB-1MB region */ - start = (640 * 1024); - npages = ((1024 - 640) * 1024) >> PAGE_SHIFT; + /* for CalIOC2 - avoid the entire first MB */ + if (is_calgary(dev->device)) { + start = (640 * 1024); + npages = ((1024 - 640) * 1024) >> PAGE_SHIFT; + } else { /* calioc2 */ + start = 0; + npages = (1 * 1024 * 1024) >> PAGE_SHIFT; + } iommu_range_reserve(tbl, start, npages); /* reserve the two PCI peripheral memory regions in IO space */ @@ -694,10 +818,17 @@ static int __init calgary_setup_tar(struct pci_dev *dev, void __iomem *bbar) if (ret) return ret; - tbl = dev->sysdata; + tbl = pci_iommu(dev->bus); tbl->it_base = (unsigned long)bus_info[dev->bus->number].tce_space; tce_free(tbl, 0, tbl->it_size); + if (is_calgary(dev->device)) + tbl->chip_ops = &calgary_chip_ops; + else if (is_calioc2(dev->device)) + tbl->chip_ops = &calioc2_chip_ops; + else + BUG(); + calgary_reserve_regions(dev); /* set TARs for each PHB */ @@ -706,15 +837,15 @@ static int __init calgary_setup_tar(struct pci_dev *dev, void __iomem *bbar) /* zero out all TAR bits under sw control */ val64 &= ~TAR_SW_BITS; - - tbl = dev->sysdata; table_phys = (u64)__pa(tbl->it_base); + val64 |= table_phys; BUG_ON(specified_table_size > TCE_TABLE_SIZE_8M); val64 |= (u64) specified_table_size; tbl->tar_val = cpu_to_be64(val64); + writeq(tbl->tar_val, target); readq(target); /* flush */ @@ -724,7 +855,7 @@ static int __init calgary_setup_tar(struct pci_dev *dev, void __iomem *bbar) static void __init calgary_free_bus(struct pci_dev *dev) { u64 val64; - struct iommu_table *tbl = dev->sysdata; + struct iommu_table *tbl = pci_iommu(dev->bus); void __iomem *target; unsigned int bitmapsz; @@ -739,16 +870,81 @@ static void __init calgary_free_bus(struct pci_dev *dev) tbl->it_map = NULL; kfree(tbl); - dev->sysdata = NULL; + + set_pci_iommu(dev->bus, NULL); /* Can't free bootmem allocated memory after system is up :-( */ bus_info[dev->bus->number].tce_space = NULL; } +static void calgary_dump_error_regs(struct iommu_table *tbl) +{ + void __iomem *bbar = tbl->bbar; + void __iomem *target; + u32 csr, plssr; + + target = calgary_reg(bbar, phb_offset(tbl->it_busno) | PHB_CSR_OFFSET); + csr = be32_to_cpu(readl(target)); + + target = calgary_reg(bbar, phb_offset(tbl->it_busno) | PHB_PLSSR_OFFSET); + plssr = be32_to_cpu(readl(target)); + + /* If no error, the agent ID in the CSR is not valid */ + printk(KERN_EMERG "Calgary: DMA error on Calgary PHB 0x%x, " + "0x%08x@CSR 0x%08x@PLSSR\n", tbl->it_busno, csr, plssr); +} + +static void calioc2_dump_error_regs(struct iommu_table *tbl) +{ + void __iomem *bbar = tbl->bbar; + u32 csr, csmr, plssr, mck, rcstat; + void __iomem *target; + unsigned long phboff = phb_offset(tbl->it_busno); + unsigned long erroff; + u32 errregs[7]; + int i; + + /* dump CSR */ + target = calgary_reg(bbar, phboff | PHB_CSR_OFFSET); + csr = be32_to_cpu(readl(target)); + /* dump PLSSR */ + target = calgary_reg(bbar, phboff | PHB_PLSSR_OFFSET); + plssr = be32_to_cpu(readl(target)); + /* dump CSMR */ + target = calgary_reg(bbar, phboff | 0x290); + csmr = be32_to_cpu(readl(target)); + /* dump mck */ + target = calgary_reg(bbar, phboff | 0x800); + mck = be32_to_cpu(readl(target)); + + printk(KERN_EMERG "Calgary: DMA error on CalIOC2 PHB 0x%x\n", + tbl->it_busno); + + printk(KERN_EMERG "Calgary: 0x%08x@CSR 0x%08x@PLSSR 0x%08x@CSMR 0x%08x@MCK\n", + csr, plssr, csmr, mck); + + /* dump rest of error regs */ + printk(KERN_EMERG "Calgary: "); + for (i = 0; i < ARRAY_SIZE(errregs); i++) { + /* err regs are at 0x810 - 0x870 */ + erroff = (0x810 + (i * 0x10)); + target = calgary_reg(bbar, phboff | erroff); + errregs[i] = be32_to_cpu(readl(target)); + printk("0x%08x@0x%lx ", errregs[i], erroff); + } + printk("\n"); + + /* root complex status */ + target = calgary_reg(bbar, phboff | PHB_ROOT_COMPLEX_STATUS); + rcstat = be32_to_cpu(readl(target)); + printk(KERN_EMERG "Calgary: 0x%08x@0x%x\n", rcstat, + PHB_ROOT_COMPLEX_STATUS); +} + static void calgary_watchdog(unsigned long data) { struct pci_dev *dev = (struct pci_dev *)data; - struct iommu_table *tbl = dev->sysdata; + struct iommu_table *tbl = pci_iommu(dev->bus); void __iomem *bbar = tbl->bbar; u32 val32; void __iomem *target; @@ -758,13 +954,14 @@ static void calgary_watchdog(unsigned long data) /* If no error, the agent ID in the CSR is not valid */ if (val32 & CSR_AGENT_MASK) { - printk(KERN_EMERG "calgary_watchdog: DMA error on PHB %#x, " - "CSR = %#x\n", dev->bus->number, val32); + tbl->chip_ops->dump_error_regs(tbl); + + /* reset error */ writel(0, target); /* Disable bus that caused the error */ target = calgary_reg(bbar, phb_offset(tbl->it_busno) | - PHB_CONFIG_RW_OFFSET); + PHB_CONFIG_RW_OFFSET); val32 = be32_to_cpu(readl(target)); val32 |= PHB_SLOT_DISABLE; writel(cpu_to_be32(val32), target); @@ -775,8 +972,8 @@ static void calgary_watchdog(unsigned long data) } } -static void __init calgary_increase_split_completion_timeout(void __iomem *bbar, - unsigned char busnum) +static void __init calgary_set_split_completion_timeout(void __iomem *bbar, + unsigned char busnum, unsigned long timeout) { u64 val64; void __iomem *target; @@ -802,11 +999,40 @@ static void __init calgary_increase_split_completion_timeout(void __iomem *bbar, /* zero out this PHB's timer bits */ mask = ~(0xFUL << phb_shift); val64 &= mask; - val64 |= (CCR_2SEC_TIMEOUT << phb_shift); + val64 |= (timeout << phb_shift); writeq(cpu_to_be64(val64), target); readq(target); /* flush */ } +static void calioc2_handle_quirks(struct iommu_table *tbl, struct pci_dev *dev) +{ + unsigned char busnum = dev->bus->number; + void __iomem *bbar = tbl->bbar; + void __iomem *target; + u32 val; + + /* + * CalIOC2 designers recommend setting bit 8 in 0xnDB0 to 1 + */ + target = calgary_reg(bbar, phb_offset(busnum) | PHB_SAVIOR_L2); + val = cpu_to_be32(readl(target)); + val |= 0x00800000; + writel(cpu_to_be32(val), target); +} + +static void calgary_handle_quirks(struct iommu_table *tbl, struct pci_dev *dev) +{ + unsigned char busnum = dev->bus->number; + + /* + * Give split completion a longer timeout on bus 1 for aic94xx + * http://bugzilla.kernel.org/show_bug.cgi?id=7180 + */ + if (is_calgary(dev->device) && (busnum == 1)) + calgary_set_split_completion_timeout(tbl->bbar, busnum, + CCR_2SEC_TIMEOUT); +} + static void __init calgary_enable_translation(struct pci_dev *dev) { u32 val32; @@ -816,7 +1042,7 @@ static void __init calgary_enable_translation(struct pci_dev *dev) struct iommu_table *tbl; busnum = dev->bus->number; - tbl = dev->sysdata; + tbl = pci_iommu(dev->bus); bbar = tbl->bbar; /* enable TCE in PHB Config Register */ @@ -824,20 +1050,15 @@ static void __init calgary_enable_translation(struct pci_dev *dev) val32 = be32_to_cpu(readl(target)); val32 |= PHB_TCE_ENABLE | PHB_DAC_DISABLE | PHB_MCSR_ENABLE; - printk(KERN_INFO "Calgary: enabling translation on PHB %#x\n", busnum); + printk(KERN_INFO "Calgary: enabling translation on %s PHB %#x\n", + (dev->device == PCI_DEVICE_ID_IBM_CALGARY) ? + "Calgary" : "CalIOC2", busnum); printk(KERN_INFO "Calgary: errant DMAs will now be prevented on this " "bus.\n"); writel(cpu_to_be32(val32), target); readl(target); /* flush */ - /* - * Give split completion a longer timeout on bus 1 for aic94xx - * http://bugzilla.kernel.org/show_bug.cgi?id=7180 - */ - if (busnum == 1) - calgary_increase_split_completion_timeout(bbar, busnum); - init_timer(&tbl->watchdog_timer); tbl->watchdog_timer.function = &calgary_watchdog; tbl->watchdog_timer.data = (unsigned long)dev; @@ -853,7 +1074,7 @@ static void __init calgary_disable_translation(struct pci_dev *dev) struct iommu_table *tbl; busnum = dev->bus->number; - tbl = dev->sysdata; + tbl = pci_iommu(dev->bus); bbar = tbl->bbar; /* disable TCE in PHB Config Register */ @@ -871,13 +1092,19 @@ static void __init calgary_disable_translation(struct pci_dev *dev) static void __init calgary_init_one_nontraslated(struct pci_dev *dev) { pci_dev_get(dev); - dev->sysdata = NULL; - dev->bus->self = dev; + set_pci_iommu(dev->bus, NULL); + + /* is the device behind a bridge? */ + if (dev->bus->parent) + dev->bus->parent->self = dev; + else + dev->bus->self = dev; } static int __init calgary_init_one(struct pci_dev *dev) { void __iomem *bbar; + struct iommu_table *tbl; int ret; BUG_ON(dev->bus->number >= MAX_PHB_BUS_NUM); @@ -888,7 +1115,18 @@ static int __init calgary_init_one(struct pci_dev *dev) goto done; pci_dev_get(dev); - dev->bus->self = dev; + + if (dev->bus->parent) { + if (dev->bus->parent->self) + printk(KERN_WARNING "Calgary: IEEEE, dev %p has " + "bus->parent->self!\n", dev); + dev->bus->parent->self = dev; + } else + dev->bus->self = dev; + + tbl = pci_iommu(dev->bus); + tbl->chip_ops->handle_quirks(tbl, dev); + calgary_enable_translation(dev); return 0; @@ -924,11 +1162,18 @@ static int __init calgary_locate_bbars(void) target = calgary_reg(bbar, offset); val = be32_to_cpu(readl(target)); + start_bus = (u8)((val & 0x00FF0000) >> 16); end_bus = (u8)((val & 0x0000FF00) >> 8); - for (bus = start_bus; bus <= end_bus; bus++) { - bus_info[bus].bbar = bbar; - bus_info[bus].phbid = phb; + + if (end_bus) { + for (bus = start_bus; bus <= end_bus; bus++) { + bus_info[bus].bbar = bbar; + bus_info[bus].phbid = phb; + } + } else { + bus_info[start_bus].bbar = bbar; + bus_info[start_bus].phbid = phb; } } } @@ -948,22 +1193,24 @@ static int __init calgary_init(void) { int ret; struct pci_dev *dev = NULL; + void *tce_space; ret = calgary_locate_bbars(); if (ret) return ret; do { - dev = pci_get_device(PCI_VENDOR_ID_IBM, - PCI_DEVICE_ID_IBM_CALGARY, - dev); + dev = pci_get_device(PCI_VENDOR_ID_IBM, PCI_ANY_ID, dev); if (!dev) break; + if (!is_cal_pci_dev(dev->device)) + continue; if (!translate_phb(dev)) { calgary_init_one_nontraslated(dev); continue; } - if (!bus_info[dev->bus->number].tce_space && !translate_empty_slots) + tce_space = bus_info[dev->bus->number].tce_space; + if (!tce_space && !translate_empty_slots) continue; ret = calgary_init_one(dev); @@ -976,10 +1223,11 @@ static int __init calgary_init(void) error: do { dev = pci_get_device_reverse(PCI_VENDOR_ID_IBM, - PCI_DEVICE_ID_IBM_CALGARY, - dev); + PCI_ANY_ID, dev); if (!dev) break; + if (!is_cal_pci_dev(dev->device)) + continue; if (!translate_phb(dev)) { pci_dev_put(dev); continue; @@ -1057,9 +1305,29 @@ static int __init build_detail_arrays(void) return 0; } -void __init detect_calgary(void) +static int __init calgary_bus_has_devices(int bus, unsigned short pci_dev) { + int dev; u32 val; + + if (pci_dev == PCI_DEVICE_ID_IBM_CALIOC2) { + /* + * FIXME: properly scan for devices accross the + * PCI-to-PCI bridge on every CalIOC2 port. + */ + return 1; + } + + for (dev = 1; dev < 8; dev++) { + val = read_pci_config(bus, dev, 0, 0); + if (val != 0xffffffff) + break; + } + return (val != 0xffffffff); +} + +void __init detect_calgary(void) +{ int bus; void *tbl; int calgary_found = 0; @@ -1116,29 +1384,26 @@ void __init detect_calgary(void) specified_table_size = determine_tce_table_size(end_pfn * PAGE_SIZE); for (bus = 0; bus < MAX_PHB_BUS_NUM; bus++) { - int dev; struct calgary_bus_info *info = &bus_info[bus]; + unsigned short pci_device; + u32 val; + + val = read_pci_config(bus, 0, 0, 0); + pci_device = (val & 0xFFFF0000) >> 16; - if (read_pci_config(bus, 0, 0, 0) != PCI_VENDOR_DEVICE_ID_CALGARY) + if (!is_cal_pci_dev(pci_device)) continue; if (info->translation_disabled) continue; - /* - * Scan the slots of the PCI bus to see if there is a device present. - * The parent bus will be the zero-ith device, so start at 1. - */ - for (dev = 1; dev < 8; dev++) { - val = read_pci_config(bus, dev, 0, 0); - if (val != 0xffffffff || translate_empty_slots) { - tbl = alloc_tce_table(); - if (!tbl) - goto cleanup; - info->tce_space = tbl; - calgary_found = 1; - break; - } + if (calgary_bus_has_devices(bus, pci_device) || + translate_empty_slots) { + tbl = alloc_tce_table(); + if (!tbl) + goto cleanup; + info->tce_space = tbl; + calgary_found = 1; } } @@ -1249,3 +1514,66 @@ static int __init calgary_parse_options(char *p) return 1; } __setup("calgary=", calgary_parse_options); + +static void __init calgary_fixup_one_tce_space(struct pci_dev *dev) +{ + struct iommu_table *tbl; + unsigned int npages; + int i; + + tbl = pci_iommu(dev->bus); + + for (i = 0; i < 4; i++) { + struct resource *r = &dev->resource[PCI_BRIDGE_RESOURCES + i]; + + /* Don't give out TCEs that map MEM resources */ + if (!(r->flags & IORESOURCE_MEM)) + continue; + + /* 0-based? we reserve the whole 1st MB anyway */ + if (!r->start) + continue; + + /* cover the whole region */ + npages = (r->end - r->start) >> PAGE_SHIFT; + npages++; + + iommu_range_reserve(tbl, r->start, npages); + } +} + +static int __init calgary_fixup_tce_spaces(void) +{ + struct pci_dev *dev = NULL; + void *tce_space; + + if (no_iommu || swiotlb || !calgary_detected) + return -ENODEV; + + printk(KERN_DEBUG "Calgary: fixing up tce spaces\n"); + + do { + dev = pci_get_device(PCI_VENDOR_ID_IBM, PCI_ANY_ID, dev); + if (!dev) + break; + if (!is_cal_pci_dev(dev->device)) + continue; + if (!translate_phb(dev)) + continue; + + tce_space = bus_info[dev->bus->number].tce_space; + if (!tce_space) + continue; + + calgary_fixup_one_tce_space(dev); + + } while (1); + + return 0; +} + +/* + * We need to be call after pcibios_assign_resources (fs_initcall level) + * and before device_initcall. + */ +rootfs_initcall(calgary_fixup_tce_spaces); diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c index 90f6315d02d..05d745ede56 100644 --- a/arch/x86_64/kernel/pci-dma.c +++ b/arch/x86_64/kernel/pci-dma.c @@ -8,7 +8,7 @@ #include <linux/pci.h> #include <linux/module.h> #include <asm/io.h> -#include <asm/proto.h> +#include <asm/iommu.h> #include <asm/calgary.h> int iommu_merge __read_mostly = 0; @@ -321,6 +321,11 @@ static int __init pci_iommu_init(void) return 0; } +void pci_iommu_shutdown(void) +{ + gart_iommu_shutdown(); +} + #ifdef CONFIG_PCI /* Many VIA bridges seem to corrupt data for DAC. Disable it here */ diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index ae091cdc1a4..4918c575d58 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -28,6 +28,7 @@ #include <asm/mtrr.h> #include <asm/pgtable.h> #include <asm/proto.h> +#include <asm/iommu.h> #include <asm/cacheflush.h> #include <asm/swiotlb.h> #include <asm/dma.h> @@ -235,7 +236,7 @@ static dma_addr_t gart_map_simple(struct device *dev, char *buf, } /* Map a single area into the IOMMU */ -dma_addr_t gart_map_single(struct device *dev, void *addr, size_t size, int dir) +static dma_addr_t gart_map_single(struct device *dev, void *addr, size_t size, int dir) { unsigned long phys_mem, bus; @@ -253,7 +254,7 @@ dma_addr_t gart_map_single(struct device *dev, void *addr, size_t size, int dir) /* * Free a DMA mapping. */ -void gart_unmap_single(struct device *dev, dma_addr_t dma_addr, +static void gart_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, int direction) { unsigned long iommu_page; @@ -275,7 +276,7 @@ void gart_unmap_single(struct device *dev, dma_addr_t dma_addr, /* * Wrapper for pci_unmap_single working with scatterlists. */ -void gart_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, int dir) +static void gart_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, int dir) { int i; @@ -571,6 +572,26 @@ static const struct dma_mapping_ops gart_dma_ops = { .unmap_sg = gart_unmap_sg, }; +void gart_iommu_shutdown(void) +{ + struct pci_dev *dev; + int i; + + if (no_agp && (dma_ops != &gart_dma_ops)) + return; + + for (i = 0; i < num_k8_northbridges; i++) { + u32 ctl; + + dev = k8_northbridges[i]; + pci_read_config_dword(dev, 0x90, &ctl); + + ctl &= ~1; + + pci_write_config_dword(dev, 0x90, ctl); + } +} + void __init gart_iommu_init(void) { struct agp_kern_info info; diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c index 6dade0c867c..2a34c6c025a 100644 --- a/arch/x86_64/kernel/pci-nommu.c +++ b/arch/x86_64/kernel/pci-nommu.c @@ -6,7 +6,7 @@ #include <linux/string.h> #include <linux/dma-mapping.h> -#include <asm/proto.h> +#include <asm/iommu.h> #include <asm/processor.h> #include <asm/dma.h> @@ -34,7 +34,7 @@ nommu_map_single(struct device *hwdev, void *ptr, size_t size, return bus; } -void nommu_unmap_single(struct device *dev, dma_addr_t addr,size_t size, +static void nommu_unmap_single(struct device *dev, dma_addr_t addr,size_t size, int direction) { } @@ -54,7 +54,7 @@ void nommu_unmap_single(struct device *dev, dma_addr_t addr,size_t size, * Device ownership issues as mentioned above for pci_map_single are * the same here. */ -int nommu_map_sg(struct device *hwdev, struct scatterlist *sg, +static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, int direction) { int i; @@ -74,7 +74,7 @@ int nommu_map_sg(struct device *hwdev, struct scatterlist *sg, * Again, cpu read rules concerning calls here are the same as for * pci_unmap_single() above. */ -void nommu_unmap_sg(struct device *dev, struct scatterlist *sg, +static void nommu_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, int dir) { } diff --git a/arch/x86_64/kernel/pci-swiotlb.c b/arch/x86_64/kernel/pci-swiotlb.c index 4b4569abc60..b2f405ea7c8 100644 --- a/arch/x86_64/kernel/pci-swiotlb.c +++ b/arch/x86_64/kernel/pci-swiotlb.c @@ -5,7 +5,7 @@ #include <linux/module.h> #include <linux/dma-mapping.h> -#include <asm/proto.h> +#include <asm/iommu.h> #include <asm/swiotlb.h> #include <asm/dma.h> diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c index 5909039f37a..e7ac629d4c4 100644 --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -207,6 +207,7 @@ void cpu_idle (void) if (__get_cpu_var(cpu_idle_state)) __get_cpu_var(cpu_idle_state) = 0; + check_pgt_cache(); rmb(); idle = pm_idle; if (!idle) @@ -278,7 +279,7 @@ void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c) */ if (!pm_idle) { if (!printed) { - printk("using mwait in idle threads.\n"); + printk(KERN_INFO "using mwait in idle threads.\n"); printed = 1; } pm_idle = mwait_idle; @@ -305,6 +306,7 @@ early_param("idle", idle_setup); void __show_regs(struct pt_regs * regs) { unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L, fs, gs, shadowgs; + unsigned long d0, d1, d2, d3, d6, d7; unsigned int fsindex,gsindex; unsigned int ds,cs,es; @@ -340,15 +342,24 @@ void __show_regs(struct pt_regs * regs) rdmsrl(MSR_GS_BASE, gs); rdmsrl(MSR_KERNEL_GS_BASE, shadowgs); - asm("movq %%cr0, %0": "=r" (cr0)); - asm("movq %%cr2, %0": "=r" (cr2)); - asm("movq %%cr3, %0": "=r" (cr3)); - asm("movq %%cr4, %0": "=r" (cr4)); + cr0 = read_cr0(); + cr2 = read_cr2(); + cr3 = read_cr3(); + cr4 = read_cr4(); printk("FS: %016lx(%04x) GS:%016lx(%04x) knlGS:%016lx\n", fs,fsindex,gs,gsindex,shadowgs); printk("CS: %04x DS: %04x ES: %04x CR0: %016lx\n", cs, ds, es, cr0); printk("CR2: %016lx CR3: %016lx CR4: %016lx\n", cr2, cr3, cr4); + + get_debugreg(d0, 0); + get_debugreg(d1, 1); + get_debugreg(d2, 2); + printk("DR0: %016lx DR1: %016lx DR2: %016lx\n", d0, d1, d2); + get_debugreg(d3, 3); + get_debugreg(d6, 6); + get_debugreg(d7, 7); + printk("DR3: %016lx DR6: %016lx DR7: %016lx\n", d3, d6, d7); } void show_regs(struct pt_regs *regs) diff --git a/arch/x86_64/kernel/reboot.c b/arch/x86_64/kernel/reboot.c index 7503068e788..368db2b9c5a 100644 --- a/arch/x86_64/kernel/reboot.c +++ b/arch/x86_64/kernel/reboot.c @@ -16,6 +16,7 @@ #include <asm/pgtable.h> #include <asm/tlbflush.h> #include <asm/apic.h> +#include <asm/iommu.h> /* * Power off function, if any @@ -81,6 +82,7 @@ static inline void kb_wait(void) void machine_shutdown(void) { unsigned long flags; + /* Stop the cpus and apics */ #ifdef CONFIG_SMP int reboot_cpu_id; @@ -111,6 +113,8 @@ void machine_shutdown(void) disable_IO_APIC(); local_irq_restore(flags); + + pci_iommu_shutdown(); } void machine_emergency_restart(void) diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 33ef718f8cb..af838f6b0b7 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -575,6 +575,8 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) level = cpuid_eax(1); if (c->x86 == 15 && ((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58)) set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability); + if (c->x86 == 0x10) + set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability); /* Enable workaround for FXSAVE leak */ if (c->x86 >= 6) @@ -600,8 +602,14 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) if (c->extended_cpuid_level >= 0x80000008) amd_detect_cmp(c); - /* Fix cpuid4 emulation for more */ - num_cache_leaves = 3; + if (c->extended_cpuid_level >= 0x80000006 && + (cpuid_edx(0x80000006) & 0xf000)) + num_cache_leaves = 4; + else + num_cache_leaves = 3; + + if (c->x86 == 0xf || c->x86 == 0x10 || c->x86 == 0x11) + set_bit(X86_FEATURE_K8, &c->x86_capability); /* RDTSC can be speculated around */ clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability); diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c index 290f5d8037c..739175b01e0 100644 --- a/arch/x86_64/kernel/signal.c +++ b/arch/x86_64/kernel/signal.c @@ -26,6 +26,7 @@ #include <asm/i387.h> #include <asm/proto.h> #include <asm/ia32_unistd.h> +#include <asm/mce.h> /* #define DEBUG_SIG 1 */ @@ -472,6 +473,12 @@ do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags) clear_thread_flag(TIF_SINGLESTEP); } +#ifdef CONFIG_X86_MCE + /* notify userspace of pending MCEs */ + if (thread_info_flags & _TIF_MCE_NOTIFY) + mce_notify_user(); +#endif /* CONFIG_X86_MCE */ + /* deal with pending signal delivery */ if (thread_info_flags & (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK)) do_signal(regs); @@ -480,7 +487,7 @@ do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags) void signal_fault(struct pt_regs *regs, void __user *frame, char *where) { struct task_struct *me = current; - if (exception_trace) + if (show_unhandled_signals && printk_ratelimit()) printk("%s[%d] bad frame in %s frame:%p rip:%lx rsp:%lx orax:%lx\n", me->comm,me->pid,where,frame,regs->rip,regs->rsp,regs->orig_rax); diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c index 0694940b2e7..673a300b594 100644 --- a/arch/x86_64/kernel/smp.c +++ b/arch/x86_64/kernel/smp.c @@ -241,7 +241,7 @@ void flush_tlb_mm (struct mm_struct * mm) } if (!cpus_empty(cpu_mask)) flush_tlb_others(cpu_mask, mm, FLUSH_ALL); - + check_pgt_cache(); preempt_enable(); } EXPORT_SYMBOL(flush_tlb_mm); @@ -386,9 +386,9 @@ int smp_call_function_single (int cpu, void (*func) (void *info), void *info, return 0; } - spin_lock_bh(&call_lock); + spin_lock(&call_lock); __smp_call_function_single(cpu, func, info, nonatomic, wait); - spin_unlock_bh(&call_lock); + spin_unlock(&call_lock); put_cpu(); return 0; } diff --git a/arch/x86_64/kernel/suspend.c b/arch/x86_64/kernel/suspend.c index 6a5a98f2a75..ea83a9f9196 100644 --- a/arch/x86_64/kernel/suspend.c +++ b/arch/x86_64/kernel/suspend.c @@ -55,11 +55,11 @@ void __save_processor_state(struct saved_context *ctxt) * control registers */ rdmsrl(MSR_EFER, ctxt->efer); - asm volatile ("movq %%cr0, %0" : "=r" (ctxt->cr0)); - asm volatile ("movq %%cr2, %0" : "=r" (ctxt->cr2)); - asm volatile ("movq %%cr3, %0" : "=r" (ctxt->cr3)); - asm volatile ("movq %%cr4, %0" : "=r" (ctxt->cr4)); - asm volatile ("movq %%cr8, %0" : "=r" (ctxt->cr8)); + ctxt->cr0 = read_cr0(); + ctxt->cr2 = read_cr2(); + ctxt->cr3 = read_cr3(); + ctxt->cr4 = read_cr4(); + ctxt->cr8 = read_cr8(); } void save_processor_state(void) @@ -81,11 +81,11 @@ void __restore_processor_state(struct saved_context *ctxt) * control registers */ wrmsrl(MSR_EFER, ctxt->efer); - asm volatile ("movq %0, %%cr8" :: "r" (ctxt->cr8)); - asm volatile ("movq %0, %%cr4" :: "r" (ctxt->cr4)); - asm volatile ("movq %0, %%cr3" :: "r" (ctxt->cr3)); - asm volatile ("movq %0, %%cr2" :: "r" (ctxt->cr2)); - asm volatile ("movq %0, %%cr0" :: "r" (ctxt->cr0)); + write_cr8(ctxt->cr8); + write_cr4(ctxt->cr4); + write_cr3(ctxt->cr3); + write_cr2(ctxt->cr2); + write_cr0(ctxt->cr0); /* * now restore the descriptor tables to their proper values diff --git a/arch/x86_64/kernel/tce.c b/arch/x86_64/kernel/tce.c index f61fb8e4f12..3aeae2fa2e2 100644 --- a/arch/x86_64/kernel/tce.c +++ b/arch/x86_64/kernel/tce.c @@ -136,9 +136,9 @@ int build_tce_table(struct pci_dev *dev, void __iomem *bbar) struct iommu_table *tbl; int ret; - if (dev->sysdata) { - printk(KERN_ERR "Calgary: dev %p has sysdata %p\n", - dev, dev->sysdata); + if (pci_iommu(dev->bus)) { + printk(KERN_ERR "Calgary: dev %p has sysdata->iommu %p\n", + dev, pci_iommu(dev->bus)); BUG(); } @@ -155,11 +155,7 @@ int build_tce_table(struct pci_dev *dev, void __iomem *bbar) tbl->bbar = bbar; - /* - * NUMA is already using the bus's sysdata pointer, so we use - * the bus's pci_dev's sysdata instead. - */ - dev->sysdata = tbl; + set_pci_iommu(dev->bus, tbl); return 0; diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 4a0895bacf5..6d48a4e826d 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -33,6 +33,7 @@ #include <acpi/acpi_bus.h> #endif #include <asm/8253pit.h> +#include <asm/i8253.h> #include <asm/pgtable.h> #include <asm/vsyscall.h> #include <asm/timex.h> @@ -44,12 +45,14 @@ #include <asm/hpet.h> #include <asm/mpspec.h> #include <asm/nmi.h> +#include <asm/vgtod.h> static char *timename = NULL; DEFINE_SPINLOCK(rtc_lock); EXPORT_SYMBOL(rtc_lock); DEFINE_SPINLOCK(i8253_lock); +EXPORT_SYMBOL(i8253_lock); volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES; @@ -79,8 +82,9 @@ EXPORT_SYMBOL(profile_pc); * sheet for details. */ -static void set_rtc_mmss(unsigned long nowtime) +static int set_rtc_mmss(unsigned long nowtime) { + int retval = 0; int real_seconds, real_minutes, cmos_minutes; unsigned char control, freq_select; @@ -120,6 +124,7 @@ static void set_rtc_mmss(unsigned long nowtime) if (abs(real_minutes - cmos_minutes) >= 30) { printk(KERN_WARNING "time.c: can't update CMOS clock " "from %d to %d\n", cmos_minutes, real_minutes); + retval = -1; } else { BIN_TO_BCD(real_seconds); BIN_TO_BCD(real_minutes); @@ -139,12 +144,17 @@ static void set_rtc_mmss(unsigned long nowtime) CMOS_WRITE(freq_select, RTC_FREQ_SELECT); spin_unlock(&rtc_lock); + + return retval; } +int update_persistent_clock(struct timespec now) +{ + return set_rtc_mmss(now.tv_sec); +} void main_timer_handler(void) { - static unsigned long rtc_update = 0; /* * Here we are in the timer irq handler. We have irqs locally disabled (so we * don't need spin_lock_irqsave()) but we don't know if the timer_bh is running @@ -172,20 +182,6 @@ void main_timer_handler(void) if (!using_apic_timer) smp_local_timer_interrupt(); -/* - * If we have an externally synchronized Linux clock, then update CMOS clock - * accordingly every ~11 minutes. set_rtc_mmss() will be called in the jiffy - * closest to exactly 500 ms before the next second. If the update fails, we - * don't care, as it'll be updated on the next turn, and the problem (time way - * off) isn't likely to go away much sooner anyway. - */ - - if (ntp_synced() && xtime.tv_sec > rtc_update && - abs(xtime.tv_nsec - 500000000) <= tick_nsec / 2) { - set_rtc_mmss(xtime.tv_sec); - rtc_update = xtime.tv_sec + 660; - } - write_sequnlock(&xtime_lock); } @@ -199,7 +195,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static unsigned long get_cmos_time(void) +unsigned long read_persistent_clock(void) { unsigned int year, mon, day, hour, min, sec; unsigned long flags; @@ -226,7 +222,7 @@ static unsigned long get_cmos_time(void) /* * We know that x86-64 always uses BCD format, no need to check the * config register. - */ + */ BCD_TO_BIN(sec); BCD_TO_BIN(min); @@ -239,11 +235,11 @@ static unsigned long get_cmos_time(void) BCD_TO_BIN(century); year += century * 100; printk(KERN_INFO "Extended CMOS year: %d\n", century * 100); - } else { + } else { /* * x86-64 systems only exists since 2002. * This will work up to Dec 31, 2100 - */ + */ year += 2000; } @@ -255,45 +251,45 @@ static unsigned long get_cmos_time(void) #define TICK_COUNT 100000000 static unsigned int __init tsc_calibrate_cpu_khz(void) { - int tsc_start, tsc_now; - int i, no_ctr_free; - unsigned long evntsel3 = 0, pmc3 = 0, pmc_now = 0; - unsigned long flags; - - for (i = 0; i < 4; i++) - if (avail_to_resrv_perfctr_nmi_bit(i)) - break; - no_ctr_free = (i == 4); - if (no_ctr_free) { - i = 3; - rdmsrl(MSR_K7_EVNTSEL3, evntsel3); - wrmsrl(MSR_K7_EVNTSEL3, 0); - rdmsrl(MSR_K7_PERFCTR3, pmc3); - } else { - reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i); - reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i); - } - local_irq_save(flags); - /* start meauring cycles, incrementing from 0 */ - wrmsrl(MSR_K7_PERFCTR0 + i, 0); - wrmsrl(MSR_K7_EVNTSEL0 + i, 1 << 22 | 3 << 16 | 0x76); - rdtscl(tsc_start); - do { - rdmsrl(MSR_K7_PERFCTR0 + i, pmc_now); - tsc_now = get_cycles_sync(); - } while ((tsc_now - tsc_start) < TICK_COUNT); - - local_irq_restore(flags); - if (no_ctr_free) { - wrmsrl(MSR_K7_EVNTSEL3, 0); - wrmsrl(MSR_K7_PERFCTR3, pmc3); - wrmsrl(MSR_K7_EVNTSEL3, evntsel3); - } else { - release_perfctr_nmi(MSR_K7_PERFCTR0 + i); - release_evntsel_nmi(MSR_K7_EVNTSEL0 + i); - } - - return pmc_now * tsc_khz / (tsc_now - tsc_start); + int tsc_start, tsc_now; + int i, no_ctr_free; + unsigned long evntsel3 = 0, pmc3 = 0, pmc_now = 0; + unsigned long flags; + + for (i = 0; i < 4; i++) + if (avail_to_resrv_perfctr_nmi_bit(i)) + break; + no_ctr_free = (i == 4); + if (no_ctr_free) { + i = 3; + rdmsrl(MSR_K7_EVNTSEL3, evntsel3); + wrmsrl(MSR_K7_EVNTSEL3, 0); + rdmsrl(MSR_K7_PERFCTR3, pmc3); + } else { + reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i); + reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i); + } + local_irq_save(flags); + /* start meauring cycles, incrementing from 0 */ + wrmsrl(MSR_K7_PERFCTR0 + i, 0); + wrmsrl(MSR_K7_EVNTSEL0 + i, 1 << 22 | 3 << 16 | 0x76); + rdtscl(tsc_start); + do { + rdmsrl(MSR_K7_PERFCTR0 + i, pmc_now); + tsc_now = get_cycles_sync(); + } while ((tsc_now - tsc_start) < TICK_COUNT); + + local_irq_restore(flags); + if (no_ctr_free) { + wrmsrl(MSR_K7_EVNTSEL3, 0); + wrmsrl(MSR_K7_PERFCTR3, pmc3); + wrmsrl(MSR_K7_EVNTSEL3, evntsel3); + } else { + release_perfctr_nmi(MSR_K7_PERFCTR0 + i); + release_evntsel_nmi(MSR_K7_EVNTSEL0 + i); + } + + return pmc_now * tsc_khz / (tsc_now - tsc_start); } /* @@ -321,7 +317,7 @@ static unsigned int __init pit_calibrate_tsc(void) end = get_cycles_sync(); spin_unlock_irqrestore(&i8253_lock, flags); - + return (end - start) / 50; } @@ -366,25 +362,20 @@ static struct irqaction irq0 = { .handler = timer_interrupt, .flags = IRQF_DISABLED | IRQF_IRQPOLL, .mask = CPU_MASK_NONE, - .name = "timer" + .name = "timer" }; void __init time_init(void) { if (nohpet) hpet_address = 0; - xtime.tv_sec = get_cmos_time(); - xtime.tv_nsec = 0; - - set_normalized_timespec(&wall_to_monotonic, - -xtime.tv_sec, -xtime.tv_nsec); if (hpet_arch_init()) hpet_address = 0; if (hpet_use_timer) { /* set tick_nsec to use the proper rate for HPET */ - tick_nsec = TICK_NSEC_HPET; + tick_nsec = TICK_NSEC_HPET; tsc_khz = hpet_calibrate_tsc(); timename = "HPET"; } else { @@ -415,54 +406,21 @@ void __init time_init(void) setup_irq(0, &irq0); } - -static long clock_cmos_diff; -static unsigned long sleep_start; - /* * sysfs support for the timer. */ static int timer_suspend(struct sys_device *dev, pm_message_t state) { - /* - * Estimate time zone so that set_time can update the clock - */ - long cmos_time = get_cmos_time(); - - clock_cmos_diff = -cmos_time; - clock_cmos_diff += get_seconds(); - sleep_start = cmos_time; return 0; } static int timer_resume(struct sys_device *dev) { - unsigned long flags; - unsigned long sec; - unsigned long ctime = get_cmos_time(); - long sleep_length = (ctime - sleep_start) * HZ; - - if (sleep_length < 0) { - printk(KERN_WARNING "Time skew detected in timer resume!\n"); - /* The time after the resume must not be earlier than the time - * before the suspend or some nasty things will happen - */ - sleep_length = 0; - ctime = sleep_start; - } if (hpet_address) hpet_reenable(); else i8254_timer_resume(); - - sec = ctime + clock_cmos_diff; - write_seqlock_irqsave(&xtime_lock,flags); - xtime.tv_sec = sec; - xtime.tv_nsec = 0; - jiffies += sleep_length; - write_sequnlock_irqrestore(&xtime_lock,flags); - touch_softlockup_watchdog(); return 0; } diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index 8713ad4a4db..03888420775 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -584,7 +584,8 @@ static void __kprobes do_trap(int trapnr, int signr, char *str, tsk->thread.error_code = error_code; tsk->thread.trap_no = trapnr; - if (exception_trace && unhandled_signal(tsk, signr)) + if (show_unhandled_signals && unhandled_signal(tsk, signr) && + printk_ratelimit()) printk(KERN_INFO "%s[%d] trap %s rip:%lx rsp:%lx error:%lx\n", tsk->comm, tsk->pid, str, @@ -688,7 +689,8 @@ asmlinkage void __kprobes do_general_protection(struct pt_regs * regs, tsk->thread.error_code = error_code; tsk->thread.trap_no = 13; - if (exception_trace && unhandled_signal(tsk, SIGSEGV)) + if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) && + printk_ratelimit()) printk(KERN_INFO "%s[%d] general protection rip:%lx rsp:%lx error:%lx\n", tsk->comm, tsk->pid, diff --git a/arch/x86_64/kernel/tsc.c b/arch/x86_64/kernel/tsc.c index e850aa01e1b..9b76b03d060 100644 --- a/arch/x86_64/kernel/tsc.c +++ b/arch/x86_64/kernel/tsc.c @@ -61,25 +61,9 @@ inline int check_tsc_unstable(void) * first tick after the change will be slightly wrong. */ -#include <linux/workqueue.h> - -static unsigned int cpufreq_delayed_issched = 0; -static unsigned int cpufreq_init = 0; -static struct work_struct cpufreq_delayed_get_work; - -static void handle_cpufreq_delayed_get(struct work_struct *v) -{ - unsigned int cpu; - for_each_online_cpu(cpu) { - cpufreq_get(cpu); - } - cpufreq_delayed_issched = 0; -} - -static unsigned int ref_freq = 0; -static unsigned long loops_per_jiffy_ref = 0; - -static unsigned long tsc_khz_ref = 0; +static unsigned int ref_freq; +static unsigned long loops_per_jiffy_ref; +static unsigned long tsc_khz_ref; static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data) @@ -125,10 +109,8 @@ static struct notifier_block time_cpufreq_notifier_block = { static int __init cpufreq_tsc(void) { - INIT_WORK(&cpufreq_delayed_get_work, handle_cpufreq_delayed_get); - if (!cpufreq_register_notifier(&time_cpufreq_notifier_block, - CPUFREQ_TRANSITION_NOTIFIER)) - cpufreq_init = 1; + cpufreq_register_notifier(&time_cpufreq_notifier_block, + CPUFREQ_TRANSITION_NOTIFIER); return 0; } @@ -153,17 +135,18 @@ __cpuinit int unsynchronized_tsc(void) #endif /* Most intel systems have synchronized TSCs except for multi node systems */ - if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) { + if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) { #ifdef CONFIG_ACPI /* But TSC doesn't tick in C3 so don't use it there */ - if (acpi_gbl_FADT.header.length > 0 && acpi_gbl_FADT.C3latency < 1000) + if (acpi_gbl_FADT.header.length > 0 && + acpi_gbl_FADT.C3latency < 1000) return 1; #endif - return 0; + return 0; } - /* Assume multi socket systems are not synchronized */ - return num_present_cpus() > 1; + /* Assume multi socket systems are not synchronized */ + return num_present_cpus() > 1; } int __init notsc_setup(char *s) diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S index 5c57ea4591c..ba8ea97abd2 100644 --- a/arch/x86_64/kernel/vmlinux.lds.S +++ b/arch/x86_64/kernel/vmlinux.lds.S @@ -28,7 +28,7 @@ SECTIONS _text = .; /* Text and read-only data */ .text : AT(ADDR(.text) - LOAD_OFFSET) { /* First the code that has to be first for bootstrapping */ - *(.bootstrap.text) + *(.text.head) _stext = .; /* Then the rest */ TEXT_TEXT @@ -54,6 +54,13 @@ SECTIONS RODATA + . = ALIGN(4); + .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { + __tracedata_start = .; + *(.tracedata) + __tracedata_end = .; + } + . = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */ /* Data */ .data : AT(ADDR(.data) - LOAD_OFFSET) { @@ -93,6 +100,9 @@ SECTIONS .vsyscall_gtod_data : AT(VLOAD(.vsyscall_gtod_data)) { *(.vsyscall_gtod_data) } vsyscall_gtod_data = VVIRT(.vsyscall_gtod_data); + .vsyscall_clock : AT(VLOAD(.vsyscall_clock)) + { *(.vsyscall_clock) } + vsyscall_clock = VVIRT(.vsyscall_clock); .vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1)) @@ -133,20 +143,11 @@ SECTIONS /* might get freed after init */ . = ALIGN(4096); __smp_alt_begin = .; - __smp_alt_instructions = .; - .smp_altinstructions : AT(ADDR(.smp_altinstructions) - LOAD_OFFSET) { - *(.smp_altinstructions) - } - __smp_alt_instructions_end = .; - . = ALIGN(8); __smp_locks = .; .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) { *(.smp_locks) } __smp_locks_end = .; - .smp_altinstr_replacement : AT(ADDR(.smp_altinstr_replacement) - LOAD_OFFSET) { - *(.smp_altinstr_replacement) - } . = ALIGN(4096); __smp_alt_end = .; @@ -189,6 +190,12 @@ SECTIONS .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) } .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) } +/* vdso blob that is mapped into user space */ + vdso_start = . ; + .vdso : AT(ADDR(.vdso) - LOAD_OFFSET) { *(.vdso) } + . = ALIGN(4096); + vdso_end = .; + #ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(4096); __initramfs_start = .; diff --git a/arch/x86_64/kernel/vsyscall.c b/arch/x86_64/kernel/vsyscall.c index 57660d58d50..06c34949bfd 100644 --- a/arch/x86_64/kernel/vsyscall.c +++ b/arch/x86_64/kernel/vsyscall.c @@ -42,6 +42,7 @@ #include <asm/segment.h> #include <asm/desc.h> #include <asm/topology.h> +#include <asm/vgtod.h> #define __vsyscall(nr) __attribute__ ((unused,__section__(".vsyscall_" #nr))) #define __syscall_clobber "r11","rcx","memory" @@ -57,26 +58,9 @@ * - writen by timer interrupt or systcl (/proc/sys/kernel/vsyscall64) * Try to keep this structure as small as possible to avoid cache line ping pongs */ -struct vsyscall_gtod_data_t { - seqlock_t lock; - - /* open coded 'struct timespec' */ - time_t wall_time_sec; - u32 wall_time_nsec; - - int sysctl_enabled; - struct timezone sys_tz; - struct { /* extract of a clocksource struct */ - cycle_t (*vread)(void); - cycle_t cycle_last; - cycle_t mask; - u32 mult; - u32 shift; - } clock; -}; int __vgetcpu_mode __section_vgetcpu_mode; -struct vsyscall_gtod_data_t __vsyscall_gtod_data __section_vsyscall_gtod_data = +struct vsyscall_gtod_data __vsyscall_gtod_data __section_vsyscall_gtod_data = { .lock = SEQLOCK_UNLOCKED, .sysctl_enabled = 1, @@ -96,6 +80,8 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec; vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; vsyscall_gtod_data.sys_tz = sys_tz; + vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; + vsyscall_gtod_data.wall_to_monotonic = wall_to_monotonic; write_sequnlock_irqrestore(&vsyscall_gtod_data.lock, flags); } diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c index 84f11728fc7..327c9f2fa62 100644 --- a/arch/x86_64/mm/fault.c +++ b/arch/x86_64/mm/fault.c @@ -159,7 +159,7 @@ void dump_pagetable(unsigned long address) pmd_t *pmd; pte_t *pte; - asm("movq %%cr3,%0" : "=r" (pgd)); + pgd = (pgd_t *)read_cr3(); pgd = __va((unsigned long)pgd & PHYSICAL_PAGE_MASK); pgd += pgd_index(address); @@ -221,16 +221,6 @@ static int is_errata93(struct pt_regs *regs, unsigned long address) return 0; } -int unhandled_signal(struct task_struct *tsk, int sig) -{ - if (is_init(tsk)) - return 1; - if (tsk->ptrace & PT_PTRACED) - return 0; - return (tsk->sighand->action[sig-1].sa.sa_handler == SIG_IGN) || - (tsk->sighand->action[sig-1].sa.sa_handler == SIG_DFL); -} - static noinline void pgtable_bad(unsigned long address, struct pt_regs *regs, unsigned long error_code) { @@ -301,8 +291,8 @@ static int vmalloc_fault(unsigned long address) return 0; } -int page_fault_trace = 0; -int exception_trace = 1; +static int page_fault_trace; +int show_unhandled_signals = 1; /* * This routine handles page faults. It determines the address, @@ -326,7 +316,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, prefetchw(&mm->mmap_sem); /* get the address */ - __asm__("movq %%cr2,%0":"=r" (address)); + address = read_cr2(); info.si_code = SEGV_MAPERR; @@ -494,7 +484,8 @@ bad_area_nosemaphore: (address >> 32)) return; - if (exception_trace && unhandled_signal(tsk, SIGSEGV)) { + if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) && + printk_ratelimit()) { printk( "%s%s[%d]: segfault at %016lx rip %016lx rsp %016lx error %lx\n", tsk->pid > 1 ? KERN_INFO : KERN_EMERG, @@ -568,7 +559,7 @@ out_of_memory: } printk("VM: killing process %s\n", tsk->comm); if (error_code & 4) - do_exit(SIGKILL); + do_group_exit(SIGKILL); goto no_context; do_sigbus: diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index 9a0e98accf0..38f5d636800 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c @@ -383,7 +383,7 @@ void __meminit init_memory_mapping(unsigned long start, unsigned long end) } if (!after_bootmem) - asm volatile("movq %%cr4,%0" : "=r" (mmu_cr4_features)); + mmu_cr4_features = read_cr4(); __flush_tlb_all(); } @@ -600,16 +600,6 @@ void mark_rodata_ro(void) { unsigned long start = (unsigned long)_stext, end; -#ifdef CONFIG_HOTPLUG_CPU - /* It must still be possible to apply SMP alternatives. */ - if (num_possible_cpus() > 1) - start = (unsigned long)_etext; -#endif - -#ifdef CONFIG_KPROBES - start = (unsigned long)__start_rodata; -#endif - end = (unsigned long)__end_rodata; start = (start + PAGE_SIZE - 1) & PAGE_MASK; end &= PAGE_MASK; @@ -697,41 +687,6 @@ int kern_addr_valid(unsigned long addr) return pfn_valid(pte_pfn(*pte)); } -#ifdef CONFIG_SYSCTL -#include <linux/sysctl.h> - -extern int exception_trace, page_fault_trace; - -static ctl_table debug_table2[] = { - { - .ctl_name = 99, - .procname = "exception-trace", - .data = &exception_trace, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = proc_dointvec - }, - {} -}; - -static ctl_table debug_root_table2[] = { - { - .ctl_name = CTL_DEBUG, - .procname = "debug", - .mode = 0555, - .child = debug_table2 - }, - {} -}; - -static __init int x8664_sysctl_init(void) -{ - register_sysctl_table(debug_root_table2); - return 0; -} -__initcall(x8664_sysctl_init); -#endif - /* A pseudo VMA to allow ptrace access for the vsyscall page. This only covers the 64bit vsyscall page now. 32bit has a real VMA now and does not need special handling anymore. */ @@ -769,8 +724,17 @@ int in_gate_area_no_task(unsigned long addr) return (addr >= VSYSCALL_START) && (addr < VSYSCALL_END); } -void *alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size) +void * __init alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size) { return __alloc_bootmem_core(pgdat->bdata, size, SMP_CACHE_BYTES, (4UL*1024*1024*1024), 0); } + +const char *arch_vma_name(struct vm_area_struct *vma) +{ + if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso) + return "[vdso]"; + if (vma == &gate_vma) + return "[vsyscall]"; + return NULL; +} diff --git a/arch/x86_64/mm/k8topology.c b/arch/x86_64/mm/k8topology.c index f983c75825d..a96006f7ae0 100644 --- a/arch/x86_64/mm/k8topology.c +++ b/arch/x86_64/mm/k8topology.c @@ -44,12 +44,12 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end) { unsigned long prevbase; struct bootnode nodes[8]; - int nodeid, i, nb; + int nodeid, i, j, nb; unsigned char nodeids[8]; int found = 0; u32 reg; unsigned numnodes; - unsigned dualcore = 0; + unsigned num_cores; if (!early_pci_allowed()) return -1; @@ -60,6 +60,9 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end) printk(KERN_INFO "Scanning NUMA topology in Northbridge %d\n", nb); + num_cores = (cpuid_ecx(0x80000008) & 0xff) + 1; + printk(KERN_INFO "CPU has %d num_cores\n", num_cores); + reg = read_pci_config(0, nb, 0, 0x60); numnodes = ((reg >> 4) & 0xF) + 1; if (numnodes <= 1) @@ -73,8 +76,6 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end) unsigned long base,limit; u32 nodeid; - /* Undefined before E stepping, but hopefully 0 */ - dualcore |= ((read_pci_config(0, nb, 3, 0xe8) >> 12) & 3) == 1; base = read_pci_config(0, nb, 1, 0x40 + i*8); limit = read_pci_config(0, nb, 1, 0x44 + i*8); @@ -170,8 +171,8 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end) for (i = 0; i < 8; i++) { if (nodes[i].start != nodes[i].end) { nodeid = nodeids[i]; - apicid_to_node[nodeid << dualcore] = i; - apicid_to_node[(nodeid << dualcore) + dualcore] = i; + for (j = 0; j < num_cores; j++) + apicid_to_node[(nodeid * num_cores) + j] = i; setup_node_bootmem(i, nodes[i].start, nodes[i].end); } } diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c index 51548947ad3..6da23552226 100644 --- a/arch/x86_64/mm/numa.c +++ b/arch/x86_64/mm/numa.c @@ -273,9 +273,6 @@ void __init numa_init_array(void) #ifdef CONFIG_NUMA_EMU /* Numa emulation */ -#define E820_ADDR_HOLE_SIZE(start, end) \ - (e820_hole_size((start) >> PAGE_SHIFT, (end) >> PAGE_SHIFT) << \ - PAGE_SHIFT) char *cmdline __initdata; /* @@ -319,7 +316,7 @@ static int __init split_nodes_equally(struct bootnode *nodes, u64 *addr, return -1; if (num_nodes > MAX_NUMNODES) num_nodes = MAX_NUMNODES; - size = (max_addr - *addr - E820_ADDR_HOLE_SIZE(*addr, max_addr)) / + size = (max_addr - *addr - e820_hole_size(*addr, max_addr)) / num_nodes; /* * Calculate the number of big nodes that can be allocated as a result @@ -347,7 +344,7 @@ static int __init split_nodes_equally(struct bootnode *nodes, u64 *addr, if (i == num_nodes + node_start - 1) end = max_addr; else - while (end - *addr - E820_ADDR_HOLE_SIZE(*addr, end) < + while (end - *addr - e820_hole_size(*addr, end) < size) { end += FAKE_NODE_MIN_SIZE; if (end > max_addr) { @@ -476,18 +473,22 @@ out: /* * We need to vacate all active ranges that may have been registered by - * SRAT. + * SRAT and set acpi_numa to -1 so that srat_disabled() always returns + * true. NUMA emulation has succeeded so we will not scan ACPI nodes. */ remove_all_active_ranges(); +#ifdef CONFIG_ACPI_NUMA + acpi_numa = -1; +#endif for_each_node_mask(i, node_possible_map) { e820_register_active_regions(i, nodes[i].start >> PAGE_SHIFT, nodes[i].end >> PAGE_SHIFT); setup_node_bootmem(i, nodes[i].start, nodes[i].end); } + acpi_fake_nodes(nodes, num_nodes); numa_init_array(); return 0; } -#undef E820_ADDR_HOLE_SIZE #endif /* CONFIG_NUMA_EMU */ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn) diff --git a/arch/x86_64/mm/pageattr.c b/arch/x86_64/mm/pageattr.c index 9148f4a4cec..7e161c698af 100644 --- a/arch/x86_64/mm/pageattr.c +++ b/arch/x86_64/mm/pageattr.c @@ -13,7 +13,7 @@ #include <asm/tlbflush.h> #include <asm/io.h> -static inline pte_t *lookup_address(unsigned long address) +pte_t *lookup_address(unsigned long address) { pgd_t *pgd = pgd_offset_k(address); pud_t *pud; @@ -74,14 +74,12 @@ static void flush_kernel_map(void *arg) struct page *pg; /* When clflush is available always use it because it is - much cheaper than WBINVD. Disable clflush for now because - the high level code is not ready yet */ - if (1 || !cpu_has_clflush) + much cheaper than WBINVD. */ + if (!cpu_has_clflush) asm volatile("wbinvd" ::: "memory"); else list_for_each_entry(pg, l, lru) { void *adr = page_address(pg); - if (cpu_has_clflush) - cache_flush_page(adr); + cache_flush_page(adr); } __flush_tlb_all(); } @@ -95,7 +93,8 @@ static LIST_HEAD(deferred_pages); /* protected by init_mm.mmap_sem */ static inline void save_page(struct page *fpage) { - list_add(&fpage->lru, &deferred_pages); + if (!test_and_set_bit(PG_arch_1, &fpage->flags)) + list_add(&fpage->lru, &deferred_pages); } /* @@ -129,9 +128,12 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot, pte_t *kpte; struct page *kpte_page; pgprot_t ref_prot2; + kpte = lookup_address(address); if (!kpte) return 0; kpte_page = virt_to_page(((unsigned long)kpte) & PAGE_MASK); + BUG_ON(PageLRU(kpte_page)); + BUG_ON(PageCompound(kpte_page)); if (pgprot_val(prot) != pgprot_val(ref_prot)) { if (!pte_huge(*kpte)) { set_pte(kpte, pfn_pte(pfn, prot)); @@ -159,10 +161,9 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot, /* on x86-64 the direct mapping set at boot is not using 4k pages */ BUG_ON(PageReserved(kpte_page)); - if (page_private(kpte_page) == 0) { - save_page(kpte_page); + save_page(kpte_page); + if (page_private(kpte_page) == 0) revert_page(address, ref_prot); - } return 0; } @@ -234,6 +235,10 @@ void global_flush_tlb(void) flush_map(&l); list_for_each_entry_safe(pg, next, &l, lru) { + list_del(&pg->lru); + clear_bit(PG_arch_1, &pg->flags); + if (page_private(pg) != 0) + continue; ClearPagePrivate(pg); __free_page(pg); } diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index 1e76bb0a727..acdf03e1914 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c @@ -106,9 +106,9 @@ static __init int slit_valid(struct acpi_table_slit *slit) for (j = 0; j < d; j++) { u8 val = slit->entry[d*i + j]; if (i == j) { - if (val != 10) + if (val != LOCAL_DISTANCE) return 0; - } else if (val <= 10) + } else if (val <= LOCAL_DISTANCE) return 0; } } @@ -350,7 +350,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) /* Sanity check to catch more bad SRATs (they are amazingly common). Make sure the PXMs cover all memory. */ -static int nodes_cover_memory(void) +static int __init nodes_cover_memory(const struct bootnode *nodes) { int i; unsigned long pxmram, e820ram; @@ -394,6 +394,9 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end) { int i; + if (acpi_numa <= 0) + return -1; + /* First clean up the node list */ for (i = 0; i < MAX_NUMNODES; i++) { cutoff_node(i, start, end); @@ -403,10 +406,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end) } } - if (acpi_numa <= 0) - return -1; - - if (!nodes_cover_memory()) { + if (!nodes_cover_memory(nodes)) { bad_srat(); return -1; } @@ -440,6 +440,86 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end) return 0; } +#ifdef CONFIG_NUMA_EMU +static int __init find_node_by_addr(unsigned long addr) +{ + int ret = NUMA_NO_NODE; + int i; + + for_each_node_mask(i, nodes_parsed) { + /* + * Find the real node that this emulated node appears on. For + * the sake of simplicity, we only use a real node's starting + * address to determine which emulated node it appears on. + */ + if (addr >= nodes[i].start && addr < nodes[i].end) { + ret = i; + break; + } + } + return i; +} + +/* + * In NUMA emulation, we need to setup proximity domain (_PXM) to node ID + * mappings that respect the real ACPI topology but reflect our emulated + * environment. For each emulated node, we find which real node it appears on + * and create PXM to NID mappings for those fake nodes which mirror that + * locality. SLIT will now represent the correct distances between emulated + * nodes as a result of the real topology. + */ +void __init acpi_fake_nodes(const struct bootnode *fake_nodes, int num_nodes) +{ + int i, j; + int fake_node_to_pxm_map[MAX_NUMNODES] = { + [0 ... MAX_NUMNODES-1] = PXM_INVAL + }; + unsigned char fake_apicid_to_node[MAX_LOCAL_APIC] = { + [0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE + }; + + printk(KERN_INFO "Faking PXM affinity for fake nodes on real " + "topology.\n"); + for (i = 0; i < num_nodes; i++) { + int nid, pxm; + + nid = find_node_by_addr(fake_nodes[i].start); + if (nid == NUMA_NO_NODE) + continue; + pxm = node_to_pxm(nid); + if (pxm == PXM_INVAL) + continue; + fake_node_to_pxm_map[i] = pxm; + /* + * For each apicid_to_node mapping that exists for this real + * node, it must now point to the fake node ID. + */ + for (j = 0; j < MAX_LOCAL_APIC; j++) + if (apicid_to_node[j] == nid) + fake_apicid_to_node[j] = i; + } + for (i = 0; i < num_nodes; i++) + __acpi_map_pxm_to_node(fake_node_to_pxm_map[i], i); + memcpy(apicid_to_node, fake_apicid_to_node, sizeof(apicid_to_node)); + + nodes_clear(nodes_parsed); + for (i = 0; i < num_nodes; i++) + if (fake_nodes[i].start != fake_nodes[i].end) + node_set(i, nodes_parsed); + WARN_ON(!nodes_cover_memory(fake_nodes)); +} + +static int null_slit_node_compare(int a, int b) +{ + return node_to_pxm(a) == node_to_pxm(b); +} +#else +static int null_slit_node_compare(int a, int b) +{ + return a == b; +} +#endif /* CONFIG_NUMA_EMU */ + void __init srat_reserve_add_area(int nodeid) { if (found_add_area && nodes_add[nodeid].end) { @@ -464,7 +544,8 @@ int __node_distance(int a, int b) int index; if (!acpi_slit) - return a == b ? 10 : 20; + return null_slit_node_compare(a, b) ? LOCAL_DISTANCE : + REMOTE_DISTANCE; index = acpi_slit->locality_count * node_to_pxm(a); return acpi_slit->entry[index + node_to_pxm(b)]; } diff --git a/arch/x86_64/pci/k8-bus.c b/arch/x86_64/pci/k8-bus.c index 3acf60ded2a..9cc813e2970 100644 --- a/arch/x86_64/pci/k8-bus.c +++ b/arch/x86_64/pci/k8-bus.c @@ -59,6 +59,8 @@ fill_mp_bus_to_cpumask(void) j <= SUBORDINATE_LDT_BUS_NUMBER(ldtbus); j++) { struct pci_bus *bus; + struct pci_sysdata *sd; + long node = NODE_ID(nid); /* Algorithm a bit dumb, but it shouldn't matter here */ @@ -67,7 +69,9 @@ fill_mp_bus_to_cpumask(void) continue; if (!node_online(node)) node = 0; - bus->sysdata = (void *)node; + + sd = bus->sysdata; + sd->node = node; } } } diff --git a/arch/x86_64/vdso/Makefile b/arch/x86_64/vdso/Makefile new file mode 100644 index 00000000000..faaa72fb250 --- /dev/null +++ b/arch/x86_64/vdso/Makefile @@ -0,0 +1,49 @@ +# +# x86-64 vDSO. +# + +# files to link into the vdso +# vdso-start.o has to be first +vobjs-y := vdso-start.o vdso-note.o vclock_gettime.o vgetcpu.o vvar.o + +# files to link into kernel +obj-y := vma.o vdso.o vdso-syms.o + +vobjs := $(foreach F,$(vobjs-y),$(obj)/$F) + +$(obj)/vdso.o: $(obj)/vdso.so + +targets += vdso.so vdso.lds $(vobjs-y) vdso-syms.o + +# The DSO images are built using a special linker script. +quiet_cmd_syscall = SYSCALL $@ + cmd_syscall = $(CC) -m elf_x86_64 -nostdlib $(SYSCFLAGS_$(@F)) \ + -Wl,-T,$(filter-out FORCE,$^) -o $@ + +export CPPFLAGS_vdso.lds += -P -C -U$(ARCH) + +vdso-flags = -fPIC -shared -Wl,-soname=linux-vdso.so.1 \ + $(call ld-option, -Wl$(comma)--hash-style=sysv) \ + -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 +SYSCFLAGS_vdso.so = $(vdso-flags) + +$(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so + +$(obj)/vdso.so: $(src)/vdso.lds $(vobjs) FORCE + $(call if_changed,syscall) + +CF := $(PROFILING) -mcmodel=small -fPIC -g0 -O2 -fasynchronous-unwind-tables -m64 + +$(obj)/vclock_gettime.o: CFLAGS = $(CF) +$(obj)/vgetcpu.o: CFLAGS = $(CF) + +# We also create a special relocatable object that should mirror the symbol +# table and layout of the linked DSO. With ld -R we can then refer to +# these symbols in the kernel code rather than hand-coded addresses. +extra-y += vdso-syms.o +$(obj)/built-in.o: $(obj)/vdso-syms.o +$(obj)/built-in.o: ld_flags += -R $(obj)/vdso-syms.o + +SYSCFLAGS_vdso-syms.o = -r -d +$(obj)/vdso-syms.o: $(src)/vdso.lds $(vobjs) FORCE + $(call if_changed,syscall) diff --git a/arch/x86_64/vdso/vclock_gettime.c b/arch/x86_64/vdso/vclock_gettime.c new file mode 100644 index 00000000000..17f6a00de71 --- /dev/null +++ b/arch/x86_64/vdso/vclock_gettime.c @@ -0,0 +1,120 @@ +/* + * Copyright 2006 Andi Kleen, SUSE Labs. + * Subject to the GNU Public License, v.2 + * + * Fast user context implementation of clock_gettime and gettimeofday. + * + * The code should have no internal unresolved relocations. + * Check with readelf after changing. + * Also alternative() doesn't work. + */ + +#include <linux/kernel.h> +#include <linux/posix-timers.h> +#include <linux/time.h> +#include <linux/string.h> +#include <asm/vsyscall.h> +#include <asm/vgtod.h> +#include <asm/timex.h> +#include <asm/hpet.h> +#include <asm/unistd.h> +#include <asm/io.h> +#include <asm/vgtod.h> +#include "vextern.h" + +#define gtod vdso_vsyscall_gtod_data + +static long vdso_fallback_gettime(long clock, struct timespec *ts) +{ + long ret; + asm("syscall" : "=a" (ret) : + "0" (__NR_clock_gettime),"D" (clock), "S" (ts) : "memory"); + return ret; +} + +static inline long vgetns(void) +{ + cycles_t (*vread)(void); + vread = gtod->clock.vread; + return ((vread() - gtod->clock.cycle_last) * gtod->clock.mult) >> + gtod->clock.shift; +} + +static noinline int do_realtime(struct timespec *ts) +{ + unsigned long seq, ns; + do { + seq = read_seqbegin(>od->lock); + ts->tv_sec = gtod->wall_time_sec; + ts->tv_nsec = gtod->wall_time_nsec; + ns = vgetns(); + } while (unlikely(read_seqretry(>od->lock, seq))); + timespec_add_ns(ts, ns); + return 0; +} + +/* Copy of the version in kernel/time.c which we cannot directly access */ +static void vset_normalized_timespec(struct timespec *ts, long sec, long nsec) +{ + while (nsec >= NSEC_PER_SEC) { + nsec -= NSEC_PER_SEC; + ++sec; + } + while (nsec < 0) { + nsec += NSEC_PER_SEC; + --sec; + } + ts->tv_sec = sec; + ts->tv_nsec = nsec; +} + +static noinline int do_monotonic(struct timespec *ts) +{ + unsigned long seq, ns, secs; + do { + seq = read_seqbegin(>od->lock); + secs = gtod->wall_time_sec; + ns = gtod->wall_time_nsec + vgetns(); + secs += gtod->wall_to_monotonic.tv_sec; + ns += gtod->wall_to_monotonic.tv_nsec; + } while (unlikely(read_seqretry(>od->lock, seq))); + vset_normalized_timespec(ts, secs, ns); + return 0; +} + +int __vdso_clock_gettime(clockid_t clock, struct timespec *ts) +{ + if (likely(gtod->sysctl_enabled && gtod->clock.vread)) + switch (clock) { + case CLOCK_REALTIME: + return do_realtime(ts); + case CLOCK_MONOTONIC: + return do_monotonic(ts); + } + return vdso_fallback_gettime(clock, ts); +} +int clock_gettime(clockid_t, struct timespec *) + __attribute__((weak, alias("__vdso_clock_gettime"))); + +int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz) +{ + long ret; + if (likely(gtod->sysctl_enabled && gtod->clock.vread)) { + BUILD_BUG_ON(offsetof(struct timeval, tv_usec) != + offsetof(struct timespec, tv_nsec) || + sizeof(*tv) != sizeof(struct timespec)); + do_realtime((struct timespec *)tv); + tv->tv_usec /= 1000; + if (unlikely(tz != NULL)) { + /* This relies on gcc inlining the memcpy. We'll notice + if it ever fails to do so. */ + memcpy(tz, >od->sys_tz, sizeof(struct timezone)); + } + return 0; + } + asm("syscall" : "=a" (ret) : + "0" (__NR_gettimeofday), "D" (tv), "S" (tz) : "memory"); + return ret; +} +int gettimeofday(struct timeval *, struct timezone *) + __attribute__((weak, alias("__vdso_gettimeofday"))); diff --git a/arch/x86_64/vdso/vdso-note.S b/arch/x86_64/vdso/vdso-note.S new file mode 100644 index 00000000000..79a071e4357 --- /dev/null +++ b/arch/x86_64/vdso/vdso-note.S @@ -0,0 +1,12 @@ +/* + * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text. + * Here we can supply some information useful to userland. + */ + +#include <linux/uts.h> +#include <linux/version.h> +#include <linux/elfnote.h> + +ELFNOTE_START(Linux, 0, "a") + .long LINUX_VERSION_CODE +ELFNOTE_END diff --git a/arch/x86_64/vdso/vdso-start.S b/arch/x86_64/vdso/vdso-start.S new file mode 100644 index 00000000000..2dc2cdb84d6 --- /dev/null +++ b/arch/x86_64/vdso/vdso-start.S @@ -0,0 +1,2 @@ + .globl vdso_kernel_start +vdso_kernel_start: diff --git a/arch/x86_64/vdso/vdso.S b/arch/x86_64/vdso/vdso.S new file mode 100644 index 00000000000..92e80c1972a --- /dev/null +++ b/arch/x86_64/vdso/vdso.S @@ -0,0 +1,2 @@ + .section ".vdso","a" + .incbin "arch/x86_64/vdso/vdso.so" diff --git a/arch/x86_64/vdso/vdso.lds.S b/arch/x86_64/vdso/vdso.lds.S new file mode 100644 index 00000000000..b9a60e665d0 --- /dev/null +++ b/arch/x86_64/vdso/vdso.lds.S @@ -0,0 +1,77 @@ +/* + * Linker script for vsyscall DSO. The vsyscall page is an ELF shared + * object prelinked to its virtual address, and with only one read-only + * segment (that fits in one page). This script controls its layout. + */ +#include <asm/asm-offsets.h> +#include "voffset.h" + +#define VDSO_PRELINK 0xffffffffff700000 + +SECTIONS +{ + . = VDSO_PRELINK + SIZEOF_HEADERS; + + .hash : { *(.hash) } :text + .gnu.hash : { *(.gnu.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + + /* This linker script is used both with -r and with -shared. + For the layouts to match, we need to skip more than enough + space for the dynamic symbol table et al. If this amount + is insufficient, ld -shared will barf. Just increase it here. */ + . = VDSO_PRELINK + VDSO_TEXT_OFFSET; + + .text : { *(.text) } :text + .text.ptr : { *(.text.ptr) } :text + . = VDSO_PRELINK + 0x900; + .data : { *(.data) } :text + .bss : { *(.bss) } :text + + .altinstructions : { *(.altinstructions) } :text + .altinstr_replacement : { *(.altinstr_replacement) } :text + + .note : { *(.note.*) } :text :note + .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr + .eh_frame : { KEEP (*(.eh_frame)) } :text + .dynamic : { *(.dynamic) } :text :dynamic + .useless : { + *(.got.plt) *(.got) + *(.gnu.linkonce.d.*) + *(.dynbss) + *(.gnu.linkonce.b.*) + } :text +} + +/* + * We must supply the ELF program headers explicitly to get just one + * PT_LOAD segment, and set the flags explicitly to make segments read-only. + */ +PHDRS +{ + text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ + dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ + note PT_NOTE FLAGS(4); /* PF_R */ + eh_frame_hdr 0x6474e550; /* PT_GNU_EH_FRAME, but ld doesn't match the name */ +} + +/* + * This controls what symbols we export from the DSO. + */ +VERSION +{ + LINUX_2.6 { + global: + clock_gettime; + __vdso_clock_gettime; + gettimeofday; + __vdso_gettimeofday; + getcpu; + __vdso_getcpu; + local: *; + }; +} diff --git a/arch/x86_64/vdso/vextern.h b/arch/x86_64/vdso/vextern.h new file mode 100644 index 00000000000..1683ba2ae3e --- /dev/null +++ b/arch/x86_64/vdso/vextern.h @@ -0,0 +1,16 @@ +#ifndef VEXTERN +#include <asm/vsyscall.h> +#define VEXTERN(x) \ + extern typeof(x) *vdso_ ## x __attribute__((visibility("hidden"))); +#endif + +#define VMAGIC 0xfeedbabeabcdefabUL + +/* Any kernel variables used in the vDSO must be exported in the main + kernel's vmlinux.lds.S/vsyscall.h/proper __section and + put into vextern.h and be referenced as a pointer with vdso prefix. + The main kernel later fills in the values. */ + +VEXTERN(jiffies) +VEXTERN(vgetcpu_mode) +VEXTERN(vsyscall_gtod_data) diff --git a/arch/x86_64/vdso/vgetcpu.c b/arch/x86_64/vdso/vgetcpu.c new file mode 100644 index 00000000000..91f6e85d0fc --- /dev/null +++ b/arch/x86_64/vdso/vgetcpu.c @@ -0,0 +1,50 @@ +/* + * Copyright 2006 Andi Kleen, SUSE Labs. + * Subject to the GNU Public License, v.2 + * + * Fast user context implementation of getcpu() + */ + +#include <linux/kernel.h> +#include <linux/getcpu.h> +#include <linux/jiffies.h> +#include <linux/time.h> +#include <asm/vsyscall.h> +#include <asm/vgtod.h> +#include "vextern.h" + +long __vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache) +{ + unsigned int dummy, p; + unsigned long j = 0; + + /* Fast cache - only recompute value once per jiffies and avoid + relatively costly rdtscp/cpuid otherwise. + This works because the scheduler usually keeps the process + on the same CPU and this syscall doesn't guarantee its + results anyways. + We do this here because otherwise user space would do it on + its own in a likely inferior way (no access to jiffies). + If you don't like it pass NULL. */ + if (tcache && tcache->blob[0] == (j = *vdso_jiffies)) { + p = tcache->blob[1]; + } else if (*vdso_vgetcpu_mode == VGETCPU_RDTSCP) { + /* Load per CPU data from RDTSCP */ + rdtscp(dummy, dummy, p); + } else { + /* Load per CPU data from GDT */ + asm("lsl %1,%0" : "=r" (p) : "r" (__PER_CPU_SEG)); + } + if (tcache) { + tcache->blob[0] = j; + tcache->blob[1] = p; + } + if (cpu) + *cpu = p & 0xfff; + if (node) + *node = p >> 12; + return 0; +} + +long getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache) + __attribute__((weak, alias("__vdso_getcpu"))); diff --git a/arch/x86_64/vdso/vma.c b/arch/x86_64/vdso/vma.c new file mode 100644 index 00000000000..d4cb83a6c06 --- /dev/null +++ b/arch/x86_64/vdso/vma.c @@ -0,0 +1,139 @@ +/* + * Set up the VMAs to tell the VM about the vDSO. + * Copyright 2007 Andi Kleen, SUSE Labs. + * Subject to the GPL, v.2 + */ +#include <linux/mm.h> +#include <linux/sched.h> +#include <linux/init.h> +#include <linux/random.h> +#include <asm/vsyscall.h> +#include <asm/vgtod.h> +#include <asm/proto.h> +#include "voffset.h" + +int vdso_enabled = 1; + +#define VEXTERN(x) extern typeof(__ ## x) *vdso_ ## x; +#include "vextern.h" +#undef VEXTERN + +extern char vdso_kernel_start[], vdso_start[], vdso_end[]; +extern unsigned short vdso_sync_cpuid; + +struct page **vdso_pages; + +static inline void *var_ref(void *vbase, char *var, char *name) +{ + unsigned offset = var - &vdso_kernel_start[0] + VDSO_TEXT_OFFSET; + void *p = vbase + offset; + if (*(void **)p != (void *)VMAGIC) { + printk("VDSO: variable %s broken\n", name); + vdso_enabled = 0; + } + return p; +} + +static int __init init_vdso_vars(void) +{ + int npages = (vdso_end - vdso_start + PAGE_SIZE - 1) / PAGE_SIZE; + int i; + char *vbase; + + vdso_pages = kmalloc(sizeof(struct page *) * npages, GFP_KERNEL); + if (!vdso_pages) + goto oom; + for (i = 0; i < npages; i++) { + struct page *p; + p = alloc_page(GFP_KERNEL); + if (!p) + goto oom; + vdso_pages[i] = p; + copy_page(page_address(p), vdso_start + i*PAGE_SIZE); + } + + vbase = vmap(vdso_pages, npages, 0, PAGE_KERNEL); + if (!vbase) + goto oom; + + if (memcmp(vbase, "\177ELF", 4)) { + printk("VDSO: I'm broken; not ELF\n"); + vdso_enabled = 0; + } + +#define V(x) *(typeof(x) *) var_ref(vbase, (char *)RELOC_HIDE(&x, 0), #x) +#define VEXTERN(x) \ + V(vdso_ ## x) = &__ ## x; +#include "vextern.h" +#undef VEXTERN + return 0; + + oom: + printk("Cannot allocate vdso\n"); + vdso_enabled = 0; + return -ENOMEM; +} +__initcall(init_vdso_vars); + +struct linux_binprm; + +/* Put the vdso above the (randomized) stack with another randomized offset. + This way there is no hole in the middle of address space. + To save memory make sure it is still in the same PTE as the stack top. + This doesn't give that many random bits */ +static unsigned long vdso_addr(unsigned long start, unsigned len) +{ + unsigned long addr, end; + unsigned offset; + end = (start + PMD_SIZE - 1) & PMD_MASK; + if (end >= TASK_SIZE64) + end = TASK_SIZE64; + end -= len; + /* This loses some more bits than a modulo, but is cheaper */ + offset = get_random_int() & (PTRS_PER_PTE - 1); + addr = start + (offset << PAGE_SHIFT); + if (addr >= end) + addr = end; + return addr; +} + +/* Setup a VMA at program startup for the vsyscall page. + Not called for compat tasks */ +int arch_setup_additional_pages(struct linux_binprm *bprm, int exstack) +{ + struct mm_struct *mm = current->mm; + unsigned long addr; + int ret; + unsigned len = round_up(vdso_end - vdso_start, PAGE_SIZE); + + if (!vdso_enabled) + return 0; + + down_write(&mm->mmap_sem); + addr = vdso_addr(mm->start_stack, len); + addr = get_unmapped_area(NULL, addr, len, 0, 0); + if (IS_ERR_VALUE(addr)) { + ret = addr; + goto up_fail; + } + + ret = install_special_mapping(mm, addr, len, + VM_READ|VM_EXEC| + VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC| + VM_ALWAYSDUMP, + vdso_pages); + if (ret) + goto up_fail; + + current->mm->context.vdso = (void *)addr; +up_fail: + up_write(&mm->mmap_sem); + return ret; +} + +static __init int vdso_setup(char *s) +{ + vdso_enabled = simple_strtoul(s, NULL, 0); + return 0; +} +__setup("vdso=", vdso_setup); diff --git a/arch/x86_64/vdso/voffset.h b/arch/x86_64/vdso/voffset.h new file mode 100644 index 00000000000..5304204911f --- /dev/null +++ b/arch/x86_64/vdso/voffset.h @@ -0,0 +1 @@ +#define VDSO_TEXT_OFFSET 0x500 diff --git a/arch/x86_64/vdso/vvar.c b/arch/x86_64/vdso/vvar.c new file mode 100644 index 00000000000..6fc22219a47 --- /dev/null +++ b/arch/x86_64/vdso/vvar.c @@ -0,0 +1,12 @@ +/* Define pointer to external vDSO variables. + These are part of the vDSO. The kernel fills in the real addresses + at boot time. This is done because when the vdso is linked the + kernel isn't yet and we don't know the final addresses. */ +#include <linux/kernel.h> +#include <linux/time.h> +#include <asm/vsyscall.h> +#include <asm/timex.h> +#include <asm/vgtod.h> + +#define VEXTERN(x) typeof (__ ## x) *vdso_ ## x = (void *)VMAGIC; +#include "vextern.h" diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 139f41f033d..408b45168ab 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -2,16 +2,12 @@ # ACPI Configuration # -menu "ACPI (Advanced Configuration and Power Interface) Support" +menuconfig ACPI + bool "ACPI Support (Advanced Configuration and Power Interface) Support" depends on !X86_NUMAQ depends on !X86_VISWS depends on !IA64_HP_SIM depends on IA64 || X86 - depends on PM - -config ACPI - bool "ACPI Support" - depends on IA64 || X86 depends on PCI depends on PM select PNP @@ -49,7 +45,6 @@ if ACPI config ACPI_SLEEP bool "Sleep States" depends on X86 && (!SMP || SUSPEND_SMP) - depends on PM default y ---help--- This option adds support for ACPI suspend states. @@ -82,7 +77,6 @@ config ACPI_SLEEP_PROC_SLEEP config ACPI_PROCFS bool "Procfs interface (deprecated)" - depends on ACPI default y ---help--- The Procfs interface for ACPI is made optional for backward compatibility. @@ -124,7 +118,7 @@ config ACPI_BUTTON config ACPI_VIDEO tristate "Video" - depends on X86 && BACKLIGHT_CLASS_DEVICE + depends on X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL help This driver implement the ACPI Extensions For Display Adapters for integrated graphics devices on motherboard, as specified in @@ -280,6 +274,14 @@ config ACPI_DEBUG of verbosity. Saying Y enables these statements. This will increase your kernel size by around 50K. +config ACPI_DEBUG_FUNC_TRACE + bool "Additionally enable ACPI function tracing" + default n + depends on ACPI_DEBUG + help + ACPI Debug Statements slow down ACPI processing. Function trace + is about half of the penalty and is rarely useful. + config ACPI_EC bool default y @@ -330,7 +332,6 @@ config ACPI_CONTAINER config ACPI_HOTPLUG_MEMORY tristate "Memory Hotplug" - depends on ACPI depends on MEMORY_HOTPLUG default n help @@ -359,5 +360,3 @@ config ACPI_SBS to today's ACPI "Control Method" battery. endif # ACPI - -endmenu diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index e64c76c8b72..cad932de383 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -43,21 +43,30 @@ #define ACPI_BATTERY_CLASS "battery" #define ACPI_BATTERY_HID "PNP0C0A" #define ACPI_BATTERY_DEVICE_NAME "Battery" -#define ACPI_BATTERY_FILE_INFO "info" -#define ACPI_BATTERY_FILE_STATUS "state" -#define ACPI_BATTERY_FILE_ALARM "alarm" #define ACPI_BATTERY_NOTIFY_STATUS 0x80 #define ACPI_BATTERY_NOTIFY_INFO 0x81 #define ACPI_BATTERY_UNITS_WATTS "mW" #define ACPI_BATTERY_UNITS_AMPS "mA" #define _COMPONENT ACPI_BATTERY_COMPONENT + +#define ACPI_BATTERY_UPDATE_TIME 0 + +#define ACPI_BATTERY_NONE_UPDATE 0 +#define ACPI_BATTERY_EASY_UPDATE 1 +#define ACPI_BATTERY_INIT_UPDATE 2 + ACPI_MODULE_NAME("battery"); MODULE_AUTHOR("Paul Diefenbaugh"); MODULE_DESCRIPTION("ACPI Battery Driver"); MODULE_LICENSE("GPL"); +static unsigned int update_time = ACPI_BATTERY_UPDATE_TIME; + +/* 0 - every time, > 0 - by update_time */ +module_param(update_time, uint, 0644); + extern struct proc_dir_entry *acpi_lock_battery_dir(void); extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); @@ -76,7 +85,7 @@ static struct acpi_driver acpi_battery_driver = { }, }; -struct acpi_battery_status { +struct acpi_battery_state { acpi_integer state; acpi_integer present_rate; acpi_integer remaining_capacity; @@ -99,33 +108,111 @@ struct acpi_battery_info { acpi_string oem_info; }; -struct acpi_battery_flags { - u8 present:1; /* Bay occupied? */ - u8 power_unit:1; /* 0=watts, 1=apms */ - u8 alarm:1; /* _BTP present? */ - u8 reserved:5; +enum acpi_battery_files{ + ACPI_BATTERY_INFO = 0, + ACPI_BATTERY_STATE, + ACPI_BATTERY_ALARM, + ACPI_BATTERY_NUMFILES, }; -struct acpi_battery_trips { - unsigned long warning; - unsigned long low; +struct acpi_battery_flags { + u8 battery_present_prev; + u8 alarm_present; + u8 init_update; + u8 update[ACPI_BATTERY_NUMFILES]; + u8 power_unit; }; struct acpi_battery { - struct acpi_device * device; + struct mutex mutex; + struct acpi_device *device; struct acpi_battery_flags flags; - struct acpi_battery_trips trips; + struct acpi_buffer bif_data; + struct acpi_buffer bst_data; unsigned long alarm; - struct acpi_battery_info *info; + unsigned long update_time[ACPI_BATTERY_NUMFILES]; }; +inline int acpi_battery_present(struct acpi_battery *battery) +{ + return battery->device->status.battery_present; +} +inline char *acpi_battery_power_units(struct acpi_battery *battery) +{ + if (battery->flags.power_unit) + return ACPI_BATTERY_UNITS_AMPS; + else + return ACPI_BATTERY_UNITS_WATTS; +} + +inline acpi_handle acpi_battery_handle(struct acpi_battery *battery) +{ + return battery->device->handle; +} + /* -------------------------------------------------------------------------- Battery Management -------------------------------------------------------------------------- */ -static int -acpi_battery_get_info(struct acpi_battery *battery, - struct acpi_battery_info **bif) +static void acpi_battery_check_result(struct acpi_battery *battery, int result) +{ + if (!battery) + return; + + if (result) { + battery->flags.init_update = 1; + } +} + +static int acpi_battery_extract_package(struct acpi_battery *battery, + union acpi_object *package, + struct acpi_buffer *format, + struct acpi_buffer *data, + char *package_name) +{ + acpi_status status = AE_OK; + struct acpi_buffer data_null = { 0, NULL }; + + status = acpi_extract_package(package, format, &data_null); + if (status != AE_BUFFER_OVERFLOW) { + ACPI_EXCEPTION((AE_INFO, status, "Extracting size %s", + package_name)); + return -ENODEV; + } + + if (data_null.length != data->length) { + kfree(data->pointer); + data->pointer = kzalloc(data_null.length, GFP_KERNEL); + if (!data->pointer) { + ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY, "kzalloc()")); + return -ENOMEM; + } + data->length = data_null.length; + } + + status = acpi_extract_package(package, format, data); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, "Extracting %s", + package_name)); + return -ENODEV; + } + + return 0; +} + +static int acpi_battery_get_status(struct acpi_battery *battery) +{ + int result = 0; + + result = acpi_bus_get_status(battery->device); + if (result) { + ACPI_EXCEPTION((AE_INFO, AE_ERROR, "Evaluating _STA")); + return -ENODEV; + } + return result; +} + +static int acpi_battery_get_info(struct acpi_battery *battery) { int result = 0; acpi_status status = 0; @@ -133,16 +220,20 @@ acpi_battery_get_info(struct acpi_battery *battery, struct acpi_buffer format = { sizeof(ACPI_BATTERY_FORMAT_BIF), ACPI_BATTERY_FORMAT_BIF }; - struct acpi_buffer data = { 0, NULL }; union acpi_object *package = NULL; + struct acpi_buffer *data = NULL; + struct acpi_battery_info *bif = NULL; + battery->update_time[ACPI_BATTERY_INFO] = get_seconds(); - if (!battery || !bif) - return -EINVAL; + if (!acpi_battery_present(battery)) + return 0; - /* Evalute _BIF */ + /* Evaluate _BIF */ - status = acpi_evaluate_object(battery->device->handle, "_BIF", NULL, &buffer); + status = + acpi_evaluate_object(acpi_battery_handle(battery), "_BIF", NULL, + &buffer); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BIF")); return -ENODEV; @@ -150,41 +241,29 @@ acpi_battery_get_info(struct acpi_battery *battery, package = buffer.pointer; - /* Extract Package Data */ - - status = acpi_extract_package(package, &format, &data); - if (status != AE_BUFFER_OVERFLOW) { - ACPI_EXCEPTION((AE_INFO, status, "Extracting _BIF")); - result = -ENODEV; - goto end; - } + data = &battery->bif_data; - data.pointer = kzalloc(data.length, GFP_KERNEL); - if (!data.pointer) { - result = -ENOMEM; - goto end; - } + /* Extract Package Data */ - status = acpi_extract_package(package, &format, &data); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "Extracting _BIF")); - kfree(data.pointer); - result = -ENODEV; + result = + acpi_battery_extract_package(battery, package, &format, data, + "_BIF"); + if (result) goto end; - } end: + kfree(buffer.pointer); - if (!result) - (*bif) = data.pointer; + if (!result) { + bif = data->pointer; + battery->flags.power_unit = bif->power_unit; + } return result; } -static int -acpi_battery_get_status(struct acpi_battery *battery, - struct acpi_battery_status **bst) +static int acpi_battery_get_state(struct acpi_battery *battery) { int result = 0; acpi_status status = 0; @@ -192,16 +271,19 @@ acpi_battery_get_status(struct acpi_battery *battery, struct acpi_buffer format = { sizeof(ACPI_BATTERY_FORMAT_BST), ACPI_BATTERY_FORMAT_BST }; - struct acpi_buffer data = { 0, NULL }; union acpi_object *package = NULL; + struct acpi_buffer *data = NULL; + battery->update_time[ACPI_BATTERY_STATE] = get_seconds(); - if (!battery || !bst) - return -EINVAL; + if (!acpi_battery_present(battery)) + return 0; - /* Evalute _BST */ + /* Evaluate _BST */ - status = acpi_evaluate_object(battery->device->handle, "_BST", NULL, &buffer); + status = + acpi_evaluate_object(acpi_battery_handle(battery), "_BST", NULL, + &buffer); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BST")); return -ENODEV; @@ -209,55 +291,49 @@ acpi_battery_get_status(struct acpi_battery *battery, package = buffer.pointer; - /* Extract Package Data */ - - status = acpi_extract_package(package, &format, &data); - if (status != AE_BUFFER_OVERFLOW) { - ACPI_EXCEPTION((AE_INFO, status, "Extracting _BST")); - result = -ENODEV; - goto end; - } + data = &battery->bst_data; - data.pointer = kzalloc(data.length, GFP_KERNEL); - if (!data.pointer) { - result = -ENOMEM; - goto end; - } + /* Extract Package Data */ - status = acpi_extract_package(package, &format, &data); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "Extracting _BST")); - kfree(data.pointer); - result = -ENODEV; + result = + acpi_battery_extract_package(battery, package, &format, data, + "_BST"); + if (result) goto end; - } end: kfree(buffer.pointer); - if (!result) - (*bst) = data.pointer; - return result; } -static int -acpi_battery_set_alarm(struct acpi_battery *battery, unsigned long alarm) +static int acpi_battery_get_alarm(struct acpi_battery *battery) +{ + battery->update_time[ACPI_BATTERY_ALARM] = get_seconds(); + + return 0; +} + +static int acpi_battery_set_alarm(struct acpi_battery *battery, + unsigned long alarm) { acpi_status status = 0; union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list arg_list = { 1, &arg0 }; + battery->update_time[ACPI_BATTERY_ALARM] = get_seconds(); - if (!battery) - return -EINVAL; + if (!acpi_battery_present(battery)) + return -ENODEV; - if (!battery->flags.alarm) + if (!battery->flags.alarm_present) return -ENODEV; arg0.integer.value = alarm; - status = acpi_evaluate_object(battery->device->handle, "_BTP", &arg_list, NULL); + status = + acpi_evaluate_object(acpi_battery_handle(battery), "_BTP", + &arg_list, NULL); if (ACPI_FAILURE(status)) return -ENODEV; @@ -268,65 +344,114 @@ acpi_battery_set_alarm(struct acpi_battery *battery, unsigned long alarm) return 0; } -static int acpi_battery_check(struct acpi_battery *battery) +static int acpi_battery_init_alarm(struct acpi_battery *battery) { int result = 0; acpi_status status = AE_OK; acpi_handle handle = NULL; - struct acpi_device *device = NULL; - struct acpi_battery_info *bif = NULL; + struct acpi_battery_info *bif = battery->bif_data.pointer; + unsigned long alarm = battery->alarm; + /* See if alarms are supported, and if so, set default */ - if (!battery) - return -EINVAL; - - device = battery->device; + status = acpi_get_handle(acpi_battery_handle(battery), "_BTP", &handle); + if (ACPI_SUCCESS(status)) { + battery->flags.alarm_present = 1; + if (!alarm && bif) { + alarm = bif->design_capacity_warning; + } + result = acpi_battery_set_alarm(battery, alarm); + if (result) + goto end; + } else { + battery->flags.alarm_present = 0; + } - result = acpi_bus_get_status(device); - if (result) - return result; + end: - /* Insertion? */ + return result; +} - if (!battery->flags.present && device->status.battery_present) { +static int acpi_battery_init_update(struct acpi_battery *battery) +{ + int result = 0; - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Battery inserted\n")); + result = acpi_battery_get_status(battery); + if (result) + return result; - /* Evalute _BIF to get certain static information */ + battery->flags.battery_present_prev = acpi_battery_present(battery); - result = acpi_battery_get_info(battery, &bif); + if (acpi_battery_present(battery)) { + result = acpi_battery_get_info(battery); + if (result) + return result; + result = acpi_battery_get_state(battery); if (result) return result; - battery->flags.power_unit = bif->power_unit; - battery->trips.warning = bif->design_capacity_warning; - battery->trips.low = bif->design_capacity_low; - kfree(bif); + acpi_battery_init_alarm(battery); + } + + return result; +} - /* See if alarms are supported, and if so, set default */ +static int acpi_battery_update(struct acpi_battery *battery, + int update, int *update_result_ptr) +{ + int result = 0; + int update_result = ACPI_BATTERY_NONE_UPDATE; + + if (!acpi_battery_present(battery)) { + update = 1; + } - status = acpi_get_handle(battery->device->handle, "_BTP", &handle); - if (ACPI_SUCCESS(status)) { - battery->flags.alarm = 1; - acpi_battery_set_alarm(battery, battery->trips.warning); + if (battery->flags.init_update) { + result = acpi_battery_init_update(battery); + if (result) + goto end; + update_result = ACPI_BATTERY_INIT_UPDATE; + } else if (update) { + result = acpi_battery_get_status(battery); + if (result) + goto end; + if ((!battery->flags.battery_present_prev & acpi_battery_present(battery)) + || (battery->flags.battery_present_prev & !acpi_battery_present(battery))) { + result = acpi_battery_init_update(battery); + if (result) + goto end; + update_result = ACPI_BATTERY_INIT_UPDATE; + } else { + update_result = ACPI_BATTERY_EASY_UPDATE; } } - /* Removal? */ + end: - else if (battery->flags.present && !device->status.battery_present) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Battery removed\n")); - } + battery->flags.init_update = (result != 0); - battery->flags.present = device->status.battery_present; + *update_result_ptr = update_result; return result; } -static void acpi_battery_check_present(struct acpi_battery *battery) +static void acpi_battery_notify_update(struct acpi_battery *battery) { - if (!battery->flags.present) { - acpi_battery_check(battery); + acpi_battery_get_status(battery); + + if (battery->flags.init_update) { + return; + } + + if ((!battery->flags.battery_present_prev & + acpi_battery_present(battery)) || + (battery->flags.battery_present_prev & + !acpi_battery_present(battery))) { + battery->flags.init_update = 1; + } else { + battery->flags.update[ACPI_BATTERY_INFO] = 1; + battery->flags.update[ACPI_BATTERY_STATE] = 1; + battery->flags.update[ACPI_BATTERY_ALARM] = 1; } } @@ -335,37 +460,33 @@ static void acpi_battery_check_present(struct acpi_battery *battery) -------------------------------------------------------------------------- */ static struct proc_dir_entry *acpi_battery_dir; -static int acpi_battery_read_info(struct seq_file *seq, void *offset) + +static int acpi_battery_print_info(struct seq_file *seq, int result) { - int result = 0; struct acpi_battery *battery = seq->private; struct acpi_battery_info *bif = NULL; char *units = "?"; - - if (!battery) + if (result) goto end; - acpi_battery_check_present(battery); - - if (battery->flags.present) + if (acpi_battery_present(battery)) seq_printf(seq, "present: yes\n"); else { seq_printf(seq, "present: no\n"); goto end; } - /* Battery Info (_BIF) */ - - result = acpi_battery_get_info(battery, &bif); - if (result || !bif) { - seq_printf(seq, "ERROR: Unable to read battery information\n"); + bif = battery->bif_data.pointer; + if (!bif) { + ACPI_EXCEPTION((AE_INFO, AE_ERROR, "BIF buffer is NULL")); + result = -ENODEV; goto end; } - units = - bif-> - power_unit ? ACPI_BATTERY_UNITS_AMPS : ACPI_BATTERY_UNITS_WATTS; + /* Battery Units */ + + units = acpi_battery_power_units(battery); if (bif->design_capacity == ACPI_BATTERY_VALUE_UNKNOWN) seq_printf(seq, "design capacity: unknown\n"); @@ -396,7 +517,6 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset) else seq_printf(seq, "design voltage: %d mV\n", (u32) bif->design_voltage); - seq_printf(seq, "design capacity warning: %d %sh\n", (u32) bif->design_capacity_warning, units); seq_printf(seq, "design capacity low: %d %sh\n", @@ -411,50 +531,40 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset) seq_printf(seq, "OEM info: %s\n", bif->oem_info); end: - kfree(bif); - return 0; -} + if (result) + seq_printf(seq, "ERROR: Unable to read battery info\n"); -static int acpi_battery_info_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_battery_read_info, PDE(inode)->data); + return result; } -static int acpi_battery_read_state(struct seq_file *seq, void *offset) +static int acpi_battery_print_state(struct seq_file *seq, int result) { - int result = 0; struct acpi_battery *battery = seq->private; - struct acpi_battery_status *bst = NULL; + struct acpi_battery_state *bst = NULL; char *units = "?"; - - if (!battery) + if (result) goto end; - acpi_battery_check_present(battery); - - if (battery->flags.present) + if (acpi_battery_present(battery)) seq_printf(seq, "present: yes\n"); else { seq_printf(seq, "present: no\n"); goto end; } - /* Battery Units */ - - units = - battery->flags. - power_unit ? ACPI_BATTERY_UNITS_AMPS : ACPI_BATTERY_UNITS_WATTS; - - /* Battery Status (_BST) */ - - result = acpi_battery_get_status(battery, &bst); - if (result || !bst) { - seq_printf(seq, "ERROR: Unable to read battery status\n"); + bst = battery->bst_data.pointer; + if (!bst) { + ACPI_EXCEPTION((AE_INFO, AE_ERROR, "BST buffer is NULL")); + result = -ENODEV; goto end; } + /* Battery Units */ + + units = acpi_battery_power_units(battery); + if (!(bst->state & 0x04)) seq_printf(seq, "capacity state: ok\n"); else @@ -490,48 +600,43 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset) (u32) bst->present_voltage); end: - kfree(bst); - return 0; -} + if (result) { + seq_printf(seq, "ERROR: Unable to read battery state\n"); + } -static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_battery_read_state, PDE(inode)->data); + return result; } -static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) +static int acpi_battery_print_alarm(struct seq_file *seq, int result) { struct acpi_battery *battery = seq->private; char *units = "?"; - - if (!battery) + if (result) goto end; - acpi_battery_check_present(battery); - - if (!battery->flags.present) { + if (!acpi_battery_present(battery)) { seq_printf(seq, "present: no\n"); goto end; } /* Battery Units */ - units = - battery->flags. - power_unit ? ACPI_BATTERY_UNITS_AMPS : ACPI_BATTERY_UNITS_WATTS; - - /* Battery Alarm */ + units = acpi_battery_power_units(battery); seq_printf(seq, "alarm: "); if (!battery->alarm) seq_printf(seq, "unsupported\n"); else - seq_printf(seq, "%d %sh\n", (u32) battery->alarm, units); + seq_printf(seq, "%lu %sh\n", battery->alarm, units); end: - return 0; + + if (result) + seq_printf(seq, "ERROR: Unable to read battery alarm\n"); + + return result; } static ssize_t @@ -543,27 +648,113 @@ acpi_battery_write_alarm(struct file *file, char alarm_string[12] = { '\0' }; struct seq_file *m = file->private_data; struct acpi_battery *battery = m->private; - + int update_result = ACPI_BATTERY_NONE_UPDATE; if (!battery || (count > sizeof(alarm_string) - 1)) return -EINVAL; - acpi_battery_check_present(battery); + mutex_lock(&battery->mutex); - if (!battery->flags.present) - return -ENODEV; + result = acpi_battery_update(battery, 1, &update_result); + if (result) { + result = -ENODEV; + goto end; + } + + if (!acpi_battery_present(battery)) { + result = -ENODEV; + goto end; + } - if (copy_from_user(alarm_string, buffer, count)) - return -EFAULT; + if (copy_from_user(alarm_string, buffer, count)) { + result = -EFAULT; + goto end; + } alarm_string[count] = '\0'; result = acpi_battery_set_alarm(battery, simple_strtoul(alarm_string, NULL, 0)); if (result) - return result; + goto end; + + end: - return count; + acpi_battery_check_result(battery, result); + + if (!result) + result = count; + + mutex_unlock(&battery->mutex); + + return result; +} + +typedef int(*print_func)(struct seq_file *seq, int result); +typedef int(*get_func)(struct acpi_battery *battery); + +static struct acpi_read_mux { + print_func print; + get_func get; +} acpi_read_funcs[ACPI_BATTERY_NUMFILES] = { + {.get = acpi_battery_get_info, .print = acpi_battery_print_info}, + {.get = acpi_battery_get_state, .print = acpi_battery_print_state}, + {.get = acpi_battery_get_alarm, .print = acpi_battery_print_alarm}, +}; + +static int acpi_battery_read(int fid, struct seq_file *seq) +{ + struct acpi_battery *battery = seq->private; + int result = 0; + int update_result = ACPI_BATTERY_NONE_UPDATE; + int update = 0; + + mutex_lock(&battery->mutex); + + update = (get_seconds() - battery->update_time[fid] >= update_time); + update = (update | battery->flags.update[fid]); + + result = acpi_battery_update(battery, update, &update_result); + if (result) + goto end; + + if (update_result == ACPI_BATTERY_EASY_UPDATE) { + result = acpi_read_funcs[fid].get(battery); + if (result) + goto end; + } + + end: + result = acpi_read_funcs[fid].print(seq, result); + acpi_battery_check_result(battery, result); + battery->flags.update[fid] = result; + mutex_unlock(&battery->mutex); + return result; +} + +static int acpi_battery_read_info(struct seq_file *seq, void *offset) +{ + return acpi_battery_read(ACPI_BATTERY_INFO, seq); +} + +static int acpi_battery_read_state(struct seq_file *seq, void *offset) +{ + return acpi_battery_read(ACPI_BATTERY_STATE, seq); +} + +static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) +{ + return acpi_battery_read(ACPI_BATTERY_ALARM, seq); +} + +static int acpi_battery_info_open_fs(struct inode *inode, struct file *file) +{ + return single_open(file, acpi_battery_read_info, PDE(inode)->data); +} + +static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) +{ + return single_open(file, acpi_battery_read_state, PDE(inode)->data); } static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file) @@ -571,35 +762,51 @@ static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file) return single_open(file, acpi_battery_read_alarm, PDE(inode)->data); } -static const struct file_operations acpi_battery_info_ops = { +static struct battery_file { + struct file_operations ops; + mode_t mode; + char *name; +} acpi_battery_file[] = { + { + .name = "info", + .mode = S_IRUGO, + .ops = { .open = acpi_battery_info_open_fs, .read = seq_read, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, -}; - -static const struct file_operations acpi_battery_state_ops = { + }, + }, + { + .name = "state", + .mode = S_IRUGO, + .ops = { .open = acpi_battery_state_open_fs, .read = seq_read, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, -}; - -static const struct file_operations acpi_battery_alarm_ops = { + }, + }, + { + .name = "alarm", + .mode = S_IFREG | S_IRUGO | S_IWUSR, + .ops = { .open = acpi_battery_alarm_open_fs, .read = seq_read, .write = acpi_battery_write_alarm, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, + }, + }, }; static int acpi_battery_add_fs(struct acpi_device *device) { struct proc_dir_entry *entry = NULL; - + int i; if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), @@ -609,38 +816,16 @@ static int acpi_battery_add_fs(struct acpi_device *device) acpi_device_dir(device)->owner = THIS_MODULE; } - /* 'info' [R] */ - entry = create_proc_entry(ACPI_BATTERY_FILE_INFO, - S_IRUGO, acpi_device_dir(device)); - if (!entry) - return -ENODEV; - else { - entry->proc_fops = &acpi_battery_info_ops; - entry->data = acpi_driver_data(device); - entry->owner = THIS_MODULE; - } - - /* 'status' [R] */ - entry = create_proc_entry(ACPI_BATTERY_FILE_STATUS, - S_IRUGO, acpi_device_dir(device)); - if (!entry) - return -ENODEV; - else { - entry->proc_fops = &acpi_battery_state_ops; - entry->data = acpi_driver_data(device); - entry->owner = THIS_MODULE; - } - - /* 'alarm' [R/W] */ - entry = create_proc_entry(ACPI_BATTERY_FILE_ALARM, - S_IFREG | S_IRUGO | S_IWUSR, - acpi_device_dir(device)); - if (!entry) - return -ENODEV; - else { - entry->proc_fops = &acpi_battery_alarm_ops; - entry->data = acpi_driver_data(device); - entry->owner = THIS_MODULE; + for (i = 0; i < ACPI_BATTERY_NUMFILES; ++i) { + entry = create_proc_entry(acpi_battery_file[i].name, + acpi_battery_file[i].mode, acpi_device_dir(device)); + if (!entry) + return -ENODEV; + else { + entry->proc_fops = &acpi_battery_file[i].ops; + entry->data = acpi_driver_data(device); + entry->owner = THIS_MODULE; + } } return 0; @@ -648,15 +833,12 @@ static int acpi_battery_add_fs(struct acpi_device *device) static int acpi_battery_remove_fs(struct acpi_device *device) { - + int i; if (acpi_device_dir(device)) { - remove_proc_entry(ACPI_BATTERY_FILE_ALARM, + for (i = 0; i < ACPI_BATTERY_NUMFILES; ++i) { + remove_proc_entry(acpi_battery_file[i].name, acpi_device_dir(device)); - remove_proc_entry(ACPI_BATTERY_FILE_STATUS, - acpi_device_dir(device)); - remove_proc_entry(ACPI_BATTERY_FILE_INFO, - acpi_device_dir(device)); - + } remove_proc_entry(acpi_device_bid(device), acpi_battery_dir); acpi_device_dir(device) = NULL; } @@ -673,7 +855,6 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data) struct acpi_battery *battery = data; struct acpi_device *device = NULL; - if (!battery) return; @@ -684,8 +865,10 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data) case ACPI_BATTERY_NOTIFY_INFO: case ACPI_NOTIFY_BUS_CHECK: case ACPI_NOTIFY_DEVICE_CHECK: - acpi_battery_check(battery); - acpi_bus_generate_event(device, event, battery->flags.present); + device = battery->device; + acpi_battery_notify_update(battery); + acpi_bus_generate_event(device, event, + acpi_battery_present(battery)); break; default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, @@ -702,7 +885,6 @@ static int acpi_battery_add(struct acpi_device *device) acpi_status status = 0; struct acpi_battery *battery = NULL; - if (!device) return -EINVAL; @@ -710,15 +892,21 @@ static int acpi_battery_add(struct acpi_device *device) if (!battery) return -ENOMEM; + mutex_init(&battery->mutex); + + mutex_lock(&battery->mutex); + battery->device = device; strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS); acpi_driver_data(device) = battery; - result = acpi_battery_check(battery); + result = acpi_battery_get_status(battery); if (result) goto end; + battery->flags.init_update = 1; + result = acpi_battery_add_fs(device); if (result) goto end; @@ -727,6 +915,7 @@ static int acpi_battery_add(struct acpi_device *device) ACPI_ALL_NOTIFY, acpi_battery_notify, battery); if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, "Installing notify handler")); result = -ENODEV; goto end; } @@ -736,11 +925,14 @@ static int acpi_battery_add(struct acpi_device *device) device->status.battery_present ? "present" : "absent"); end: + if (result) { acpi_battery_remove_fs(device); kfree(battery); } + mutex_unlock(&battery->mutex); + return result; } @@ -749,18 +941,27 @@ static int acpi_battery_remove(struct acpi_device *device, int type) acpi_status status = 0; struct acpi_battery *battery = NULL; - if (!device || !acpi_driver_data(device)) return -EINVAL; battery = acpi_driver_data(device); + mutex_lock(&battery->mutex); + status = acpi_remove_notify_handler(device->handle, ACPI_ALL_NOTIFY, acpi_battery_notify); acpi_battery_remove_fs(device); + kfree(battery->bif_data.pointer); + + kfree(battery->bst_data.pointer); + + mutex_unlock(&battery->mutex); + + mutex_destroy(&battery->mutex); + kfree(battery); return 0; @@ -775,7 +976,10 @@ static int acpi_battery_resume(struct acpi_device *device) return -EINVAL; battery = device->driver_data; - return acpi_battery_check(battery); + + battery->flags.init_update = 1; + + return 0; } static int __init acpi_battery_init(void) @@ -800,7 +1004,6 @@ static int __init acpi_battery_init(void) static void __exit acpi_battery_exit(void) { - acpi_bus_unregister_driver(&acpi_battery_driver); acpi_unlock_battery_dir(acpi_battery_dir); diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c index fb3f31b5e69..56a5b3fffeb 100644 --- a/drivers/acpi/bay.c +++ b/drivers/acpi/bay.c @@ -288,6 +288,11 @@ static int bay_add(acpi_handle handle, int id) new_bay->pdev = pdev; platform_set_drvdata(pdev, new_bay); + /* + * we want the bay driver to be able to send uevents + */ + pdev->dev.uevent_suppress = 0; + if (acpi_bay_add_fs(new_bay)) { platform_device_unregister(new_bay->pdev); goto bay_add_err; @@ -328,18 +333,12 @@ static void bay_notify(acpi_handle handle, u32 event, void *data) { struct bay *bay_dev = (struct bay *)data; struct device *dev = &bay_dev->pdev->dev; + char event_string[12]; + char *envp[] = { event_string, NULL }; bay_dprintk(handle, "Bay event"); - - switch(event) { - case ACPI_NOTIFY_BUS_CHECK: - case ACPI_NOTIFY_DEVICE_CHECK: - case ACPI_NOTIFY_EJECT_REQUEST: - kobject_uevent(&dev->kobj, KOBJ_CHANGE); - break; - default: - printk(KERN_ERR PREFIX "Bay: unknown event %d\n", event); - } + sprintf(event_string, "BAY_EVENT=%d\n", event); + kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp); } static acpi_status diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index e5084ececb6..6b2658c9624 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -292,6 +292,10 @@ int acpi_bus_generate_event(struct acpi_device *device, u8 type, int data) if (!device) return -EINVAL; + if (acpi_bus_generate_genetlink_event(device, type, data)) + printk(KERN_WARNING PREFIX + "Failed to generate an ACPI event via genetlink!\n"); + /* drop event on the floor if no one's listening */ if (!event_is_open) return 0; diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 4546bf873ae..6192c8be66d 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -40,8 +40,15 @@ MODULE_AUTHOR("Kristen Carlson Accardi"); MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_DESCRIPTION); MODULE_LICENSE("GPL"); +static int immediate_undock = 1; +module_param(immediate_undock, bool, 0644); +MODULE_PARM_DESC(immediate_undock, "1 (default) will cause the driver to " + "undock immediately when the undock button is pressed, 0 will cause" + " the driver to wait for userspace to write the undock sysfs file " + " before undocking"); + static struct atomic_notifier_head dock_notifier_list; -static struct platform_device dock_device; +static struct platform_device *dock_device; static char dock_device_name[] = "dock"; struct dock_station { @@ -63,6 +70,7 @@ struct dock_dependent_device { }; #define DOCK_DOCKING 0x00000001 +#define DOCK_UNDOCKING 0x00000002 #define DOCK_EVENT 3 #define UNDOCK_EVENT 2 @@ -327,12 +335,20 @@ static void hotplug_dock_devices(struct dock_station *ds, u32 event) static void dock_event(struct dock_station *ds, u32 event, int num) { - struct device *dev = &dock_device.dev; + struct device *dev = &dock_device->dev; + char event_string[7]; + char *envp[] = { event_string, NULL }; + + if (num == UNDOCK_EVENT) + sprintf(event_string, "UNDOCK"); + else + sprintf(event_string, "DOCK"); + /* * Indicate that the status of the dock station has * changed. */ - kobject_uevent(&dev->kobj, KOBJ_CHANGE); + kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp); } /** @@ -380,12 +396,11 @@ static void handle_dock(struct dock_station *ds, int dock) union acpi_object arg; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; acpi_get_name(ds->handle, ACPI_FULL_PATHNAME, &name_buffer); - obj = name_buffer.pointer; - printk(KERN_INFO PREFIX "%s\n", dock ? "docking" : "undocking"); + printk(KERN_INFO PREFIX "%s - %s\n", + (char *)name_buffer.pointer, dock ? "docking" : "undocking"); /* _DCK method has one argument */ arg_list.count = 1; @@ -394,7 +409,8 @@ static void handle_dock(struct dock_station *ds, int dock) arg.integer.value = dock; status = acpi_evaluate_object(ds->handle, "_DCK", &arg_list, &buffer); if (ACPI_FAILURE(status)) - pr_debug("%s: failed to execute _DCK\n", obj->string.pointer); + printk(KERN_ERR PREFIX "%s - failed to execute _DCK\n", + (char *)name_buffer.pointer); kfree(buffer.pointer); kfree(name_buffer.pointer); } @@ -420,6 +436,16 @@ static inline void complete_dock(struct dock_station *ds) ds->last_dock_time = jiffies; } +static inline void begin_undock(struct dock_station *ds) +{ + ds->flags |= DOCK_UNDOCKING; +} + +static inline void complete_undock(struct dock_station *ds) +{ + ds->flags &= ~(DOCK_UNDOCKING); +} + /** * dock_in_progress - see if we are in the middle of handling a dock event * @ds: the dock station @@ -550,7 +576,7 @@ static int handle_eject_request(struct dock_station *ds, u32 event) printk(KERN_ERR PREFIX "Unable to undock!\n"); return -EBUSY; } - + complete_undock(ds); return 0; } @@ -594,7 +620,11 @@ static void dock_notify(acpi_handle handle, u32 event, void *data) * to the driver who wish to hotplug. */ case ACPI_NOTIFY_EJECT_REQUEST: - handle_eject_request(ds, event); + begin_undock(ds); + if (immediate_undock) + handle_eject_request(ds, event); + else + dock_event(ds, event, UNDOCK_EVENT); break; default: printk(KERN_ERR PREFIX "Unknown dock event %d\n", event); @@ -653,6 +683,17 @@ static ssize_t show_docked(struct device *dev, DEVICE_ATTR(docked, S_IRUGO, show_docked, NULL); /* + * show_flags - read method for flags file in sysfs + */ +static ssize_t show_flags(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", dock_station->flags); + +} +DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL); + +/* * write_undock - write method for "undock" file in sysfs */ static ssize_t write_undock(struct device *dev, struct device_attribute *attr, @@ -675,16 +716,15 @@ static ssize_t show_dock_uid(struct device *dev, struct device_attribute *attr, char *buf) { unsigned long lbuf; - acpi_status status = acpi_evaluate_integer(dock_station->handle, "_UID", NULL, &lbuf); - if(ACPI_FAILURE(status)) { + acpi_status status = acpi_evaluate_integer(dock_station->handle, + "_UID", NULL, &lbuf); + if (ACPI_FAILURE(status)) return 0; - } + return snprintf(buf, PAGE_SIZE, "%lx\n", lbuf); } DEVICE_ATTR(uid, S_IRUGO, show_dock_uid, NULL); - - /** * dock_add - add a new dock station * @handle: the dock station handle @@ -711,33 +751,53 @@ static int dock_add(acpi_handle handle) ATOMIC_INIT_NOTIFIER_HEAD(&dock_notifier_list); /* initialize platform device stuff */ - dock_device.name = dock_device_name; - ret = platform_device_register(&dock_device); + dock_device = + platform_device_register_simple(dock_device_name, 0, NULL, 0); + if (IS_ERR(dock_device)) { + kfree(dock_station); + dock_station = NULL; + return PTR_ERR(dock_device); + } + + /* we want the dock device to send uevents */ + dock_device->dev.uevent_suppress = 0; + + ret = device_create_file(&dock_device->dev, &dev_attr_docked); if (ret) { - printk(KERN_ERR PREFIX "Error %d registering dock device\n", ret); + printk("Error %d adding sysfs file\n", ret); + platform_device_unregister(dock_device); kfree(dock_station); + dock_station = NULL; return ret; } - ret = device_create_file(&dock_device.dev, &dev_attr_docked); + ret = device_create_file(&dock_device->dev, &dev_attr_undock); if (ret) { printk("Error %d adding sysfs file\n", ret); - platform_device_unregister(&dock_device); + device_remove_file(&dock_device->dev, &dev_attr_docked); + platform_device_unregister(dock_device); kfree(dock_station); + dock_station = NULL; return ret; } - ret = device_create_file(&dock_device.dev, &dev_attr_undock); + ret = device_create_file(&dock_device->dev, &dev_attr_uid); if (ret) { printk("Error %d adding sysfs file\n", ret); - device_remove_file(&dock_device.dev, &dev_attr_docked); - platform_device_unregister(&dock_device); + device_remove_file(&dock_device->dev, &dev_attr_docked); + device_remove_file(&dock_device->dev, &dev_attr_undock); + platform_device_unregister(dock_device); kfree(dock_station); + dock_station = NULL; return ret; } - ret = device_create_file(&dock_device.dev, &dev_attr_uid); + ret = device_create_file(&dock_device->dev, &dev_attr_flags); if (ret) { printk("Error %d adding sysfs file\n", ret); - platform_device_unregister(&dock_device); + device_remove_file(&dock_device->dev, &dev_attr_docked); + device_remove_file(&dock_device->dev, &dev_attr_undock); + device_remove_file(&dock_device->dev, &dev_attr_uid); + platform_device_unregister(dock_device); kfree(dock_station); + dock_station = NULL; return ret; } @@ -750,6 +810,7 @@ static int dock_add(acpi_handle handle) dd = alloc_dock_dependent_device(handle); if (!dd) { kfree(dock_station); + dock_station = NULL; ret = -ENOMEM; goto dock_add_err_unregister; } @@ -773,10 +834,13 @@ static int dock_add(acpi_handle handle) dock_add_err: kfree(dd); dock_add_err_unregister: - device_remove_file(&dock_device.dev, &dev_attr_docked); - device_remove_file(&dock_device.dev, &dev_attr_undock); - platform_device_unregister(&dock_device); + device_remove_file(&dock_device->dev, &dev_attr_docked); + device_remove_file(&dock_device->dev, &dev_attr_undock); + device_remove_file(&dock_device->dev, &dev_attr_uid); + device_remove_file(&dock_device->dev, &dev_attr_flags); + platform_device_unregister(dock_device); kfree(dock_station); + dock_station = NULL; return ret; } @@ -804,12 +868,15 @@ static int dock_remove(void) printk(KERN_ERR "Error removing notify handler\n"); /* cleanup sysfs */ - device_remove_file(&dock_device.dev, &dev_attr_docked); - device_remove_file(&dock_device.dev, &dev_attr_undock); - platform_device_unregister(&dock_device); + device_remove_file(&dock_device->dev, &dev_attr_docked); + device_remove_file(&dock_device->dev, &dev_attr_undock); + device_remove_file(&dock_device->dev, &dev_attr_uid); + device_remove_file(&dock_device->dev, &dev_attr_flags); + platform_device_unregister(dock_device); /* free dock station memory */ kfree(dock_station); + dock_station = NULL; return 0; } diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 82f496c0767..10e851021ec 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -34,25 +34,26 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/interrupt.h> +#include <linux/list.h> #include <asm/io.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> #include <acpi/actypes.h> -#define _COMPONENT ACPI_EC_COMPONENT -ACPI_MODULE_NAME("ec"); -#define ACPI_EC_COMPONENT 0x00100000 #define ACPI_EC_CLASS "embedded_controller" #define ACPI_EC_HID "PNP0C09" #define ACPI_EC_DEVICE_NAME "Embedded Controller" #define ACPI_EC_FILE_INFO "info" + #undef PREFIX #define PREFIX "ACPI: EC: " + /* EC status register */ #define ACPI_EC_FLAG_OBF 0x01 /* Output buffer full */ #define ACPI_EC_FLAG_IBF 0x02 /* Input buffer full */ #define ACPI_EC_FLAG_BURST 0x10 /* burst mode */ #define ACPI_EC_FLAG_SCI 0x20 /* EC-SCI occurred */ + /* EC commands */ enum ec_command { ACPI_EC_COMMAND_READ = 0x80, @@ -61,6 +62,7 @@ enum ec_command { ACPI_EC_BURST_DISABLE = 0x83, ACPI_EC_COMMAND_QUERY = 0x84, }; + /* EC events */ enum ec_event { ACPI_EC_EVENT_OBF_1 = 1, /* Output buffer full */ @@ -94,6 +96,16 @@ static struct acpi_driver acpi_ec_driver = { /* If we find an EC via the ECDT, we need to keep a ptr to its context */ /* External interfaces use first EC only, so remember */ +typedef int (*acpi_ec_query_func) (void *data); + +struct acpi_ec_query_handler { + struct list_head node; + acpi_ec_query_func func; + acpi_handle handle; + void *data; + u8 query_bit; +}; + static struct acpi_ec { acpi_handle handle; unsigned long gpe; @@ -104,6 +116,7 @@ static struct acpi_ec { atomic_t query_pending; atomic_t event_count; wait_queue_head_t wait; + struct list_head list; } *boot_ec, *first_ec; /* -------------------------------------------------------------------------- @@ -245,7 +258,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, 0, 0); if (status) { - printk(KERN_DEBUG PREFIX + printk(KERN_ERR PREFIX "input buffer is not empty, aborting transaction\n"); goto end; } @@ -394,21 +407,67 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 * data) /* -------------------------------------------------------------------------- Event Management -------------------------------------------------------------------------- */ +int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, + acpi_handle handle, acpi_ec_query_func func, + void *data) +{ + struct acpi_ec_query_handler *handler = + kzalloc(sizeof(struct acpi_ec_query_handler), GFP_KERNEL); + if (!handler) + return -ENOMEM; + + handler->query_bit = query_bit; + handler->handle = handle; + handler->func = func; + handler->data = data; + mutex_lock(&ec->lock); + list_add_tail(&handler->node, &ec->list); + mutex_unlock(&ec->lock); + return 0; +} + +EXPORT_SYMBOL_GPL(acpi_ec_add_query_handler); + +void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) +{ + struct acpi_ec_query_handler *handler; + mutex_lock(&ec->lock); + list_for_each_entry(handler, &ec->list, node) { + if (query_bit == handler->query_bit) { + list_del(&handler->node); + kfree(handler); + break; + } + } + mutex_unlock(&ec->lock); +} + +EXPORT_SYMBOL_GPL(acpi_ec_remove_query_handler); static void acpi_ec_gpe_query(void *ec_cxt) { struct acpi_ec *ec = ec_cxt; u8 value = 0; - char object_name[8]; + struct acpi_ec_query_handler *handler, copy; if (!ec || acpi_ec_query(ec, &value)) return; - - snprintf(object_name, 8, "_Q%2.2X", value); - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluating %s", object_name)); - - acpi_evaluate_object(ec->handle, object_name, NULL, NULL); + mutex_lock(&ec->lock); + list_for_each_entry(handler, &ec->list, node) { + if (value == handler->query_bit) { + /* have custom handler for this bit */ + memcpy(©, handler, sizeof(copy)); + mutex_unlock(&ec->lock); + if (copy.func) { + copy.func(copy.data); + } else if (copy.handle) { + acpi_evaluate_object(copy.handle, NULL, NULL, NULL); + } + return; + } + } + mutex_unlock(&ec->lock); + printk(KERN_ERR PREFIX "Handler for query 0x%x is not found!\n", value); } static u32 acpi_ec_gpe_handler(void *data) @@ -427,8 +486,7 @@ static u32 acpi_ec_gpe_handler(void *data) if ((value & ACPI_EC_FLAG_SCI) && !atomic_read(&ec->query_pending)) { atomic_set(&ec->query_pending, 1); status = - acpi_os_execute(OSL_EC_BURST_HANDLER, acpi_ec_gpe_query, - ec); + acpi_os_execute(OSL_EC_BURST_HANDLER, acpi_ec_gpe_query, ec); } return status == AE_OK ? @@ -454,57 +512,35 @@ acpi_ec_space_setup(acpi_handle region_handle, } static acpi_status -acpi_ec_space_handler(u32 function, - acpi_physical_address address, - u32 bit_width, - acpi_integer * value, +acpi_ec_space_handler(u32 function, acpi_physical_address address, + u32 bits, acpi_integer *value, void *handler_context, void *region_context) { - int result = 0; struct acpi_ec *ec = handler_context; - u64 temp = *value; - acpi_integer f_v = 0; - int i = 0; + int result = 0, i = 0; + u8 temp = 0; if ((address > 0xFF) || !value || !handler_context) return AE_BAD_PARAMETER; - if (bit_width != 8 && acpi_strict) { + if (function != ACPI_READ && function != ACPI_WRITE) return AE_BAD_PARAMETER; - } - - next_byte: - switch (function) { - case ACPI_READ: - temp = 0; - result = acpi_ec_read(ec, (u8) address, (u8 *) & temp); - break; - case ACPI_WRITE: - result = acpi_ec_write(ec, (u8) address, (u8) temp); - break; - default: - result = -EINVAL; - goto out; - break; - } - bit_width -= 8; - if (bit_width) { - if (function == ACPI_READ) - f_v |= temp << 8 * i; - if (function == ACPI_WRITE) - temp >>= 8; - i++; - address++; - goto next_byte; - } + if (bits != 8 && acpi_strict) + return AE_BAD_PARAMETER; - if (function == ACPI_READ) { - f_v |= temp << 8 * i; - *value = f_v; + while (bits - i > 0) { + if (function == ACPI_READ) { + result = acpi_ec_read(ec, address, &temp); + (*value) |= ((acpi_integer)temp) << i; + } else { + temp = 0xff & ((*value) >> i); + result = acpi_ec_write(ec, address, temp); + } + i += 8; + ++address; } - out: switch (result) { case -EINVAL: return AE_BAD_PARAMETER; @@ -597,9 +633,6 @@ static int acpi_ec_remove_fs(struct acpi_device *device) static acpi_status ec_parse_io_ports(struct acpi_resource *resource, void *context); -static acpi_status -ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval); - static struct acpi_ec *make_acpi_ec(void) { struct acpi_ec *ec = kzalloc(sizeof(struct acpi_ec), GFP_KERNEL); @@ -610,13 +643,52 @@ static struct acpi_ec *make_acpi_ec(void) atomic_set(&ec->event_count, 1); mutex_init(&ec->lock); init_waitqueue_head(&ec->wait); + INIT_LIST_HEAD(&ec->list); return ec; } +static acpi_status +acpi_ec_register_query_methods(acpi_handle handle, u32 level, + void *context, void **return_value) +{ + struct acpi_namespace_node *node = handle; + struct acpi_ec *ec = context; + int value = 0; + if (sscanf(node->name.ascii, "_Q%x", &value) == 1) { + acpi_ec_add_query_handler(ec, value, handle, NULL, NULL); + } + return AE_OK; +} + +static int ec_parse_device(struct acpi_ec *ec, acpi_handle handle) +{ + if (ACPI_FAILURE(acpi_walk_resources(handle, METHOD_NAME__CRS, + ec_parse_io_ports, ec))) + return -EINVAL; + + /* Get GPE bit assignment (EC events). */ + /* TODO: Add support for _GPE returning a package */ + if (ACPI_FAILURE(acpi_evaluate_integer(handle, "_GPE", NULL, &ec->gpe))) + return -EINVAL; + + /* Use the global lock for all EC transactions? */ + acpi_evaluate_integer(handle, "_GLK", NULL, &ec->global_lock); + + /* Find and register all query methods */ + acpi_walk_namespace(ACPI_TYPE_METHOD, handle, 1, + acpi_ec_register_query_methods, ec, NULL); + + ec->handle = handle; + + printk(KERN_INFO PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx", + ec->gpe, ec->command_addr, ec->data_addr); + + return 0; +} + static int acpi_ec_add(struct acpi_device *device) { - acpi_status status = AE_OK; struct acpi_ec *ec = NULL; if (!device) @@ -629,8 +701,7 @@ static int acpi_ec_add(struct acpi_device *device) if (!ec) return -ENOMEM; - status = ec_parse_device(device->handle, 0, ec, NULL); - if (status != AE_CTRL_TERMINATE) { + if (ec_parse_device(ec, device->handle)) { kfree(ec); return -EINVAL; } @@ -641,6 +712,8 @@ static int acpi_ec_add(struct acpi_device *device) /* We might have incorrect info for GL at boot time */ mutex_lock(&boot_ec->lock); boot_ec->global_lock = ec->global_lock; + /* Copy handlers from new ec into boot ec */ + list_splice(&ec->list, &boot_ec->list); mutex_unlock(&boot_ec->lock); kfree(ec); ec = boot_ec; @@ -651,22 +724,24 @@ static int acpi_ec_add(struct acpi_device *device) acpi_driver_data(device) = ec; acpi_ec_add_fs(device); - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s [%s] (gpe %d) interrupt mode.", - acpi_device_name(device), acpi_device_bid(device), - (u32) ec->gpe)); - return 0; } static int acpi_ec_remove(struct acpi_device *device, int type) { struct acpi_ec *ec; + struct acpi_ec_query_handler *handler; if (!device) return -EINVAL; ec = acpi_driver_data(device); + mutex_lock(&ec->lock); + list_for_each_entry(handler, &ec->list, node) { + list_del(&handler->node); + kfree(handler); + } + mutex_unlock(&ec->lock); acpi_ec_remove_fs(device); acpi_driver_data(device) = NULL; if (ec == first_ec) @@ -722,15 +797,13 @@ static int ec_install_handlers(struct acpi_ec *ec) return -ENODEV; } - /* EC is fully operational, allow queries */ - atomic_set(&ec->query_pending, 0); - return 0; } static int acpi_ec_start(struct acpi_device *device) { struct acpi_ec *ec; + int ret = 0; if (!device) return -EINVAL; @@ -740,14 +813,14 @@ static int acpi_ec_start(struct acpi_device *device) if (!ec) return -EINVAL; - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "gpe=0x%02lx, ports=0x%2lx,0x%2lx", - ec->gpe, ec->command_addr, ec->data_addr)); - /* Boot EC is already working */ - if (ec == boot_ec) - return 0; + if (ec != boot_ec) + ret = ec_install_handlers(ec); + + /* EC is fully operational, allow queries */ + atomic_set(&ec->query_pending, 0); - return ec_install_handlers(ec); + return ret; } static int acpi_ec_stop(struct acpi_device *device, int type) @@ -779,34 +852,6 @@ static int acpi_ec_stop(struct acpi_device *device, int type) return 0; } -static acpi_status -ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval) -{ - acpi_status status; - - struct acpi_ec *ec = context; - status = acpi_walk_resources(handle, METHOD_NAME__CRS, - ec_parse_io_ports, ec); - if (ACPI_FAILURE(status)) - return status; - - /* Get GPE bit assignment (EC events). */ - /* TODO: Add support for _GPE returning a package */ - status = acpi_evaluate_integer(handle, "_GPE", NULL, &ec->gpe); - if (ACPI_FAILURE(status)) - return status; - - /* Use the global lock for all EC transactions? */ - acpi_evaluate_integer(handle, "_GLK", NULL, &ec->global_lock); - - ec->handle = handle; - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "GPE=0x%02lx, ports=0x%2lx, 0x%2lx", - ec->gpe, ec->command_addr, ec->data_addr)); - - return AE_CTRL_TERMINATE; -} - int __init acpi_ec_ecdt_probe(void) { int ret; @@ -825,7 +870,7 @@ int __init acpi_ec_ecdt_probe(void) if (ACPI_FAILURE(status)) goto error; - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found ECDT")); + printk(KERN_INFO PREFIX "EC description table is found, configuring boot EC\n"); boot_ec->command_addr = ecdt_ptr->control.address; boot_ec->data_addr = ecdt_ptr->data.address; diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c index 3b23562e6f9..dfa5853b17f 100644 --- a/drivers/acpi/event.c +++ b/drivers/acpi/event.c @@ -11,6 +11,8 @@ #include <linux/init.h> #include <linux/poll.h> #include <acpi/acpi_drivers.h> +#include <net/netlink.h> +#include <net/genetlink.h> #define _COMPONENT ACPI_SYSTEM_COMPONENT ACPI_MODULE_NAME("event"); @@ -48,7 +50,6 @@ acpi_system_read_event(struct file *file, char __user * buffer, size_t count, static int chars_remaining = 0; static char *ptr; - if (!chars_remaining) { memset(&event, 0, sizeof(struct acpi_bus_event)); @@ -106,23 +107,161 @@ static const struct file_operations acpi_system_event_ops = { .poll = acpi_system_poll_event, }; +#ifdef CONFIG_NET +unsigned int acpi_event_seqnum; +struct acpi_genl_event { + acpi_device_class device_class; + char bus_id[15]; + u32 type; + u32 data; +}; + +/* attributes of acpi_genl_family */ +enum { + ACPI_GENL_ATTR_UNSPEC, + ACPI_GENL_ATTR_EVENT, /* ACPI event info needed by user space */ + __ACPI_GENL_ATTR_MAX, +}; +#define ACPI_GENL_ATTR_MAX (__ACPI_GENL_ATTR_MAX - 1) + +/* commands supported by the acpi_genl_family */ +enum { + ACPI_GENL_CMD_UNSPEC, + ACPI_GENL_CMD_EVENT, /* kernel->user notifications for ACPI events */ + __ACPI_GENL_CMD_MAX, +}; +#define ACPI_GENL_CMD_MAX (__ACPI_GENL_CMD_MAX - 1) + +#define ACPI_GENL_FAMILY_NAME "acpi_event" +#define ACPI_GENL_VERSION 0x01 +#define ACPI_GENL_MCAST_GROUP_NAME "acpi_mc_group" + +static struct genl_family acpi_event_genl_family = { + .id = GENL_ID_GENERATE, + .name = ACPI_GENL_FAMILY_NAME, + .version = ACPI_GENL_VERSION, + .maxattr = ACPI_GENL_ATTR_MAX, +}; + +static struct genl_multicast_group acpi_event_mcgrp = { + .name = ACPI_GENL_MCAST_GROUP_NAME, +}; + +int acpi_bus_generate_genetlink_event(struct acpi_device *device, + u8 type, int data) +{ + struct sk_buff *skb; + struct nlattr *attr; + struct acpi_genl_event *event; + void *msg_header; + int size; + int result; + + /* allocate memory */ + size = nla_total_size(sizeof(struct acpi_genl_event)) + + nla_total_size(0); + + skb = genlmsg_new(size, GFP_ATOMIC); + if (!skb) + return -ENOMEM; + + /* add the genetlink message header */ + msg_header = genlmsg_put(skb, 0, acpi_event_seqnum++, + &acpi_event_genl_family, 0, + ACPI_GENL_CMD_EVENT); + if (!msg_header) { + nlmsg_free(skb); + return -ENOMEM; + } + + /* fill the data */ + attr = + nla_reserve(skb, ACPI_GENL_ATTR_EVENT, + sizeof(struct acpi_genl_event)); + if (!attr) { + nlmsg_free(skb); + return -EINVAL; + } + + event = nla_data(attr); + if (!event) { + nlmsg_free(skb); + return -EINVAL; + } + + memset(event, 0, sizeof(struct acpi_genl_event)); + + strcpy(event->device_class, device->pnp.device_class); + strcpy(event->bus_id, device->dev.bus_id); + event->type = type; + event->data = data; + + /* send multicast genetlink message */ + result = genlmsg_end(skb, msg_header); + if (result < 0) { + nlmsg_free(skb); + return result; + } + + result = + genlmsg_multicast(skb, 0, acpi_event_mcgrp.id, GFP_ATOMIC); + if (result) + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Failed to send a Genetlink message!\n")); + return 0; +} + +static int acpi_event_genetlink_init(void) +{ + int result; + + result = genl_register_family(&acpi_event_genl_family); + if (result) + return result; + + result = genl_register_mc_group(&acpi_event_genl_family, + &acpi_event_mcgrp); + if (result) + genl_unregister_family(&acpi_event_genl_family); + + return result; +} + +#else +int acpi_bus_generate_genetlink_event(struct acpi_device *device, u8 type, + int data) +{ + return 0; +} + +static int acpi_event_genetlink_init(void) +{ + return -ENODEV; +} +#endif + static int __init acpi_event_init(void) { struct proc_dir_entry *entry; int error = 0; - if (acpi_disabled) return 0; + /* create genetlink for acpi event */ + error = acpi_event_genetlink_init(); + if (error) + printk(KERN_WARNING PREFIX + "Failed to create genetlink family for ACPI event\n"); + /* 'event' [R] */ entry = create_proc_entry("event", S_IRUSR, acpi_root_dir); if (entry) entry->proc_fops = &acpi_system_event_ops; - else { - error = -ENODEV; - } - return error; + else + return -ENODEV; + + return 0; } -subsys_initcall(acpi_event_init); +fs_initcall(acpi_event_init); diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c index 902c287b3a4..361ebe6c4a6 100644 --- a/drivers/acpi/events/evgpeblk.c +++ b/drivers/acpi/events/evgpeblk.c @@ -586,6 +586,10 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt) flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); if (gpe_xrupt->previous) { gpe_xrupt->previous->next = gpe_xrupt->next; + } else { + /* No previous, update list head */ + + acpi_gbl_gpe_xrupt_list_head = gpe_xrupt->next; } if (gpe_xrupt->next) { diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c index 400d90fca96..23ee7bc4a70 100644 --- a/drivers/acpi/events/evrgnini.c +++ b/drivers/acpi/events/evrgnini.c @@ -284,6 +284,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, } if (!pci_device_node) { + ACPI_FREE(pci_id); return_ACPI_STATUS(AE_AML_OPERAND_TYPE); } diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 41427a41f62..4893e256e39 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -16,7 +16,7 @@ #if ACPI_GLUE_DEBUG #define DBG(x...) printk(PREFIX x) #else -#define DBG(x...) +#define DBG(x...) do { } while(0) #endif static LIST_HEAD(bus_type_list); static DECLARE_RWSEM(bus_type_sem); diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 0c9f15c54e8..ab04d848b19 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -36,13 +36,11 @@ ACPI_MODULE_NAME("numa"); static nodemask_t nodes_found_map = NODE_MASK_NONE; -#define PXM_INVAL -1 -#define NID_INVAL -1 /* maps to convert between proximity domain and logical node ID */ -static int pxm_to_node_map[MAX_PXM_DOMAINS] +static int __cpuinitdata pxm_to_node_map[MAX_PXM_DOMAINS] = { [0 ... MAX_PXM_DOMAINS - 1] = NID_INVAL }; -static int node_to_pxm_map[MAX_NUMNODES] +static int __cpuinitdata node_to_pxm_map[MAX_NUMNODES] = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL }; int pxm_to_node(int pxm) @@ -59,6 +57,12 @@ int node_to_pxm(int node) return node_to_pxm_map[node]; } +void __acpi_map_pxm_to_node(int pxm, int node) +{ + pxm_to_node_map[pxm] = node; + node_to_pxm_map[node] = pxm; +} + int acpi_map_pxm_to_node(int pxm) { int node = pxm_to_node_map[pxm]; @@ -67,8 +71,7 @@ int acpi_map_pxm_to_node(int pxm) if (nodes_weight(nodes_found_map) >= MAX_NUMNODES) return NID_INVAL; node = first_unset_node(nodes_found_map); - pxm_to_node_map[pxm] = node; - node_to_pxm_map[node] = pxm; + __acpi_map_pxm_to_node(pxm, node); node_set(node, nodes_found_map); } @@ -83,7 +86,8 @@ void __cpuinit acpi_unmap_pxm_to_node(int node) node_clear(node, nodes_found_map); } -void __init acpi_table_print_srat_entry(struct acpi_subtable_header * header) +static void __init +acpi_table_print_srat_entry(struct acpi_subtable_header *header) { ACPI_FUNCTION_NAME("acpi_table_print_srat_entry"); @@ -200,7 +204,7 @@ static int __init acpi_parse_srat(struct acpi_table_header *table) return 0; } -int __init +static int __init acpi_table_parse_srat(enum acpi_srat_type id, acpi_table_entry_handler handler, unsigned int max_entries) { @@ -211,14 +215,13 @@ acpi_table_parse_srat(enum acpi_srat_type id, int __init acpi_numa_init(void) { - int result; - /* SRAT: Static Resource Affinity Table */ if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) { - result = acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY, - acpi_parse_processor_affinity, - NR_CPUS); - result = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY, acpi_parse_memory_affinity, NR_NODE_MEMBLKS); // IA64 specific + acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY, + acpi_parse_processor_affinity, NR_CPUS); + acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY, + acpi_parse_memory_affinity, + NR_NODE_MEMBLKS); } /* SLIT: System Locality Information Table */ diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 00d53c2fd1e..12c09fafce9 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -77,13 +77,7 @@ static struct workqueue_struct *kacpi_notify_wq; #define OSI_STRING_LENGTH_MAX 64 /* arbitrary */ static char osi_additional_string[OSI_STRING_LENGTH_MAX]; -#define OSI_LINUX_ENABLED -#ifdef OSI_LINUX_ENABLED -int osi_linux = 1; /* enable _OSI(Linux) by default */ -#else -int osi_linux; /* disable _OSI(Linux) by default */ -#endif - +static int osi_linux; /* disable _OSI(Linux) by default */ #ifdef CONFIG_DMI static struct __initdata dmi_system_id acpi_osl_dmi_table[]; @@ -1183,17 +1177,10 @@ acpi_os_validate_interface (char *interface) if (!strcmp("Linux", interface)) { printk(KERN_WARNING PREFIX "System BIOS is requesting _OSI(Linux)\n"); -#ifdef OSI_LINUX_ENABLED - printk(KERN_WARNING PREFIX - "Please test with \"acpi_osi=!Linux\"\n" - "Please send dmidecode " - "to linux-acpi@vger.kernel.org\n"); -#else printk(KERN_WARNING PREFIX "If \"acpi_osi=Linux\" works better,\n" "Please send dmidecode " "to linux-acpi@vger.kernel.org\n"); -#endif if(osi_linux) return AE_OK; } @@ -1227,36 +1214,14 @@ acpi_os_validate_address ( } #ifdef CONFIG_DMI -#ifdef OSI_LINUX_ENABLED -static int dmi_osi_not_linux(struct dmi_system_id *d) -{ - printk(KERN_NOTICE "%s detected: requires not _OSI(Linux)\n", d->ident); - enable_osi_linux(0); - return 0; -} -#else static int dmi_osi_linux(struct dmi_system_id *d) { - printk(KERN_NOTICE "%s detected: requires _OSI(Linux)\n", d->ident); + printk(KERN_NOTICE "%s detected: enabling _OSI(Linux)\n", d->ident); enable_osi_linux(1); return 0; } -#endif static struct dmi_system_id acpi_osl_dmi_table[] __initdata = { -#ifdef OSI_LINUX_ENABLED - /* - * Boxes that need NOT _OSI(Linux) - */ - { - .callback = dmi_osi_not_linux, - .ident = "Toshiba Satellite P100", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "TOSHIBA"), - DMI_MATCH(DMI_BOARD_NAME, "Satellite P100"), - }, - }, -#else /* * Boxes that need _OSI(Linux) */ @@ -1268,7 +1233,6 @@ static struct dmi_system_id acpi_osl_dmi_table[] __initdata = { DMI_MATCH(DMI_BOARD_NAME, "MPAD-MSAE Customer Reference Boards"), }, }, -#endif {} }; #endif /* CONFIG_DMI */ diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index acc59477137..3448edd61dc 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -733,7 +733,7 @@ static int acpi_pci_link_add(struct acpi_device *device) /* query and set link->irq.active */ acpi_pci_link_get_current(link); - printk(PREFIX "%s [%s] (IRQs", acpi_device_name(device), + printk(KERN_INFO PREFIX "%s [%s] (IRQs", acpi_device_name(device), acpi_device_bid(device)); for (i = 0; i < link->irq.possible_count; i++) { if (link->irq.active == link->irq.possible[i]) { diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index e1ca86dfdd6..81aceb5da7c 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -66,6 +66,7 @@ #define ACPI_PROCESSOR_FILE_LIMIT "limit" #define ACPI_PROCESSOR_NOTIFY_PERFORMANCE 0x80 #define ACPI_PROCESSOR_NOTIFY_POWER 0x81 +#define ACPI_PROCESSOR_NOTIFY_THROTTLING 0x82 #define ACPI_PROCESSOR_LIMIT_USER 0 #define ACPI_PROCESSOR_LIMIT_THERMAL 1 @@ -84,6 +85,8 @@ static int acpi_processor_info_open_fs(struct inode *inode, struct file *file); static void acpi_processor_notify(acpi_handle handle, u32 event, void *data); static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu); static int acpi_processor_handle_eject(struct acpi_processor *pr); +extern int acpi_processor_tstate_has_changed(struct acpi_processor *pr); + static struct acpi_driver acpi_processor_driver = { .name = "processor", @@ -696,6 +699,9 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) acpi_processor_cst_has_changed(pr); acpi_bus_generate_event(device, event, 0); break; + case ACPI_PROCESSOR_NOTIFY_THROTTLING: + acpi_processor_tstate_has_changed(pr); + acpi_bus_generate_event(device, event, 0); default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Unsupported event [0x%x]\n", event)); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index bb5d23be426..a898991f77c 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -490,7 +490,17 @@ static void acpi_processor_idle(void) case ACPI_STATE_C3: - if (pr->flags.bm_check) { + /* + * disable bus master + * bm_check implies we need ARB_DIS + * !bm_check implies we need cache flush + * bm_control implies whether we can do ARB_DIS + * + * That leaves a case where bm_check is set and bm_control is + * not set. In that case we cannot do much, we enter C3 + * without doing anything. + */ + if (pr->flags.bm_check && pr->flags.bm_control) { if (atomic_inc_return(&c3_cpu_count) == num_online_cpus()) { /* @@ -499,7 +509,7 @@ static void acpi_processor_idle(void) */ acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1); } - } else { + } else if (!pr->flags.bm_check) { /* SMP with no shared cache... Invalidate cache */ ACPI_FLUSH_CPU_CACHE(); } @@ -511,7 +521,7 @@ static void acpi_processor_idle(void) acpi_cstate_enter(cx); /* Get end time (ticks) */ t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); - if (pr->flags.bm_check) { + if (pr->flags.bm_check && pr->flags.bm_control) { /* Enable bus master arbitration */ atomic_dec(&c3_cpu_count); acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0); @@ -961,9 +971,9 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, if (pr->flags.bm_check) { /* bus mastering control is necessary */ if (!pr->flags.bm_control) { + /* In this case we enter C3 without bus mastering */ ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C3 support requires bus mastering control\n")); - return; + "C3 support without bus mastering control\n")); } } else { /* diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index b33486009f4..3f55d1f90c1 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -44,17 +44,231 @@ #define _COMPONENT ACPI_PROCESSOR_COMPONENT ACPI_MODULE_NAME("processor_throttling"); +static int acpi_processor_get_throttling(struct acpi_processor *pr); +int acpi_processor_set_throttling(struct acpi_processor *pr, int state); + +static int acpi_processor_get_platform_limit(struct acpi_processor *pr) +{ + acpi_status status = 0; + unsigned long tpc = 0; + + if (!pr) + return -EINVAL; + status = acpi_evaluate_integer(pr->handle, "_TPC", NULL, &tpc); + if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _TPC")); + return -ENODEV; + } + pr->throttling_platform_limit = (int)tpc; + return 0; +} + +int acpi_processor_tstate_has_changed(struct acpi_processor *pr) +{ + return acpi_processor_get_platform_limit(pr); +} + +/* -------------------------------------------------------------------------- + _PTC, _TSS, _TSD support + -------------------------------------------------------------------------- */ +static int acpi_processor_get_throttling_control(struct acpi_processor *pr) +{ + int result = 0; + acpi_status status = 0; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *ptc = NULL; + union acpi_object obj = { 0 }; + + status = acpi_evaluate_object(pr->handle, "_PTC", NULL, &buffer); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PTC")); + return -ENODEV; + } + + ptc = (union acpi_object *)buffer.pointer; + if (!ptc || (ptc->type != ACPI_TYPE_PACKAGE) + || (ptc->package.count != 2)) { + printk(KERN_ERR PREFIX "Invalid _PTC data\n"); + result = -EFAULT; + goto end; + } + + /* + * control_register + */ + + obj = ptc->package.elements[0]; + + if ((obj.type != ACPI_TYPE_BUFFER) + || (obj.buffer.length < sizeof(struct acpi_ptc_register)) + || (obj.buffer.pointer == NULL)) { + printk(KERN_ERR PREFIX + "Invalid _PTC data (control_register)\n"); + result = -EFAULT; + goto end; + } + memcpy(&pr->throttling.control_register, obj.buffer.pointer, + sizeof(struct acpi_ptc_register)); + + /* + * status_register + */ + + obj = ptc->package.elements[1]; + + if ((obj.type != ACPI_TYPE_BUFFER) + || (obj.buffer.length < sizeof(struct acpi_ptc_register)) + || (obj.buffer.pointer == NULL)) { + printk(KERN_ERR PREFIX "Invalid _PTC data (status_register)\n"); + result = -EFAULT; + goto end; + } + + memcpy(&pr->throttling.status_register, obj.buffer.pointer, + sizeof(struct acpi_ptc_register)); + + end: + kfree(buffer.pointer); + + return result; +} +static int acpi_processor_get_throttling_states(struct acpi_processor *pr) +{ + int result = 0; + acpi_status status = AE_OK; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_buffer format = { sizeof("NNNNN"), "NNNNN" }; + struct acpi_buffer state = { 0, NULL }; + union acpi_object *tss = NULL; + int i; + + status = acpi_evaluate_object(pr->handle, "_TSS", NULL, &buffer); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _TSS")); + return -ENODEV; + } + + tss = buffer.pointer; + if (!tss || (tss->type != ACPI_TYPE_PACKAGE)) { + printk(KERN_ERR PREFIX "Invalid _TSS data\n"); + result = -EFAULT; + goto end; + } + + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d throttling states\n", + tss->package.count)); + + pr->throttling.state_count = tss->package.count; + pr->throttling.states_tss = + kmalloc(sizeof(struct acpi_processor_tx_tss) * tss->package.count, + GFP_KERNEL); + if (!pr->throttling.states_tss) { + result = -ENOMEM; + goto end; + } + + for (i = 0; i < pr->throttling.state_count; i++) { + + struct acpi_processor_tx_tss *tx = + (struct acpi_processor_tx_tss *)&(pr->throttling. + states_tss[i]); + + state.length = sizeof(struct acpi_processor_tx_tss); + state.pointer = tx; + + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Extracting state %d\n", i)); + + status = acpi_extract_package(&(tss->package.elements[i]), + &format, &state); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, "Invalid _TSS data")); + result = -EFAULT; + kfree(pr->throttling.states_tss); + goto end; + } + + if (!tx->freqpercentage) { + printk(KERN_ERR PREFIX + "Invalid _TSS data: freq is zero\n"); + result = -EFAULT; + kfree(pr->throttling.states_tss); + goto end; + } + } + + end: + kfree(buffer.pointer); + + return result; +} +static int acpi_processor_get_tsd(struct acpi_processor *pr) +{ + int result = 0; + acpi_status status = AE_OK; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_buffer format = { sizeof("NNNNN"), "NNNNN" }; + struct acpi_buffer state = { 0, NULL }; + union acpi_object *tsd = NULL; + struct acpi_tsd_package *pdomain; + + status = acpi_evaluate_object(pr->handle, "_TSD", NULL, &buffer); + if (ACPI_FAILURE(status)) { + return -ENODEV; + } + + tsd = buffer.pointer; + if (!tsd || (tsd->type != ACPI_TYPE_PACKAGE)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _TSD data\n")); + result = -EFAULT; + goto end; + } + + if (tsd->package.count != 1) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _TSD data\n")); + result = -EFAULT; + goto end; + } + + pdomain = &(pr->throttling.domain_info); + + state.length = sizeof(struct acpi_tsd_package); + state.pointer = pdomain; + + status = acpi_extract_package(&(tsd->package.elements[0]), + &format, &state); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _TSD data\n")); + result = -EFAULT; + goto end; + } + + if (pdomain->num_entries != ACPI_TSD_REV0_ENTRIES) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unknown _TSD:num_entries\n")); + result = -EFAULT; + goto end; + } + + if (pdomain->revision != ACPI_TSD_REV0_REVISION) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unknown _TSD:revision\n")); + result = -EFAULT; + goto end; + } + + end: + kfree(buffer.pointer); + return result; +} + /* -------------------------------------------------------------------------- Throttling Control -------------------------------------------------------------------------- */ -static int acpi_processor_get_throttling(struct acpi_processor *pr) +static int acpi_processor_get_throttling_fadt(struct acpi_processor *pr) { int state = 0; u32 value = 0; u32 duty_mask = 0; u32 duty_value = 0; - if (!pr) return -EINVAL; @@ -94,13 +308,115 @@ static int acpi_processor_get_throttling(struct acpi_processor *pr) return 0; } -int acpi_processor_set_throttling(struct acpi_processor *pr, int state) +static int acpi_read_throttling_status(struct acpi_processor_throttling + *throttling) +{ + int value = -1; + switch (throttling->status_register.space_id) { + case ACPI_ADR_SPACE_SYSTEM_IO: + acpi_os_read_port((acpi_io_address) throttling->status_register. + address, &value, + (u32) throttling->status_register.bit_width * + 8); + break; + case ACPI_ADR_SPACE_FIXED_HARDWARE: + printk(KERN_ERR PREFIX + "HARDWARE addr space,NOT supported yet\n"); + break; + default: + printk(KERN_ERR PREFIX "Unknown addr space %d\n", + (u32) (throttling->status_register.space_id)); + } + return value; +} + +static int acpi_write_throttling_state(struct acpi_processor_throttling + *throttling, int value) +{ + int ret = -1; + + switch (throttling->control_register.space_id) { + case ACPI_ADR_SPACE_SYSTEM_IO: + acpi_os_write_port((acpi_io_address) throttling-> + control_register.address, value, + (u32) throttling->control_register. + bit_width * 8); + ret = 0; + break; + case ACPI_ADR_SPACE_FIXED_HARDWARE: + printk(KERN_ERR PREFIX + "HARDWARE addr space,NOT supported yet\n"); + break; + default: + printk(KERN_ERR PREFIX "Unknown addr space %d\n", + (u32) (throttling->control_register.space_id)); + } + return ret; +} + +static int acpi_get_throttling_state(struct acpi_processor *pr, int value) +{ + int i; + + for (i = 0; i < pr->throttling.state_count; i++) { + struct acpi_processor_tx_tss *tx = + (struct acpi_processor_tx_tss *)&(pr->throttling. + states_tss[i]); + if (tx->control == value) + break; + } + if (i > pr->throttling.state_count) + i = -1; + return i; +} + +static int acpi_get_throttling_value(struct acpi_processor *pr, int state) +{ + int value = -1; + if (state >= 0 && state <= pr->throttling.state_count) { + struct acpi_processor_tx_tss *tx = + (struct acpi_processor_tx_tss *)&(pr->throttling. + states_tss[state]); + value = tx->control; + } + return value; +} + +static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr) +{ + int state = 0; + u32 value = 0; + + if (!pr) + return -EINVAL; + + if (!pr->flags.throttling) + return -ENODEV; + + pr->throttling.state = 0; + local_irq_disable(); + value = acpi_read_throttling_status(&pr->throttling); + if (value >= 0) { + state = acpi_get_throttling_state(pr, value); + pr->throttling.state = state; + } + local_irq_enable(); + + return 0; +} + +static int acpi_processor_get_throttling(struct acpi_processor *pr) +{ + return pr->throttling.acpi_processor_get_throttling(pr); +} + +static int acpi_processor_set_throttling_fadt(struct acpi_processor *pr, + int state) { u32 value = 0; u32 duty_mask = 0; u32 duty_value = 0; - if (!pr) return -EINVAL; @@ -113,6 +429,8 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state) if (state == pr->throttling.state) return 0; + if (state < pr->throttling_platform_limit) + return -EPERM; /* * Calculate the duty_value and duty_mask. */ @@ -165,12 +483,51 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state) return 0; } +static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr, + int state) +{ + u32 value = 0; + + if (!pr) + return -EINVAL; + + if ((state < 0) || (state > (pr->throttling.state_count - 1))) + return -EINVAL; + + if (!pr->flags.throttling) + return -ENODEV; + + if (state == pr->throttling.state) + return 0; + + if (state < pr->throttling_platform_limit) + return -EPERM; + + local_irq_disable(); + + value = acpi_get_throttling_value(pr, state); + if (value >= 0) { + acpi_write_throttling_state(&pr->throttling, value); + pr->throttling.state = state; + } + local_irq_enable(); + + return 0; +} + +int acpi_processor_set_throttling(struct acpi_processor *pr, int state) +{ + return pr->throttling.acpi_processor_set_throttling(pr, state); +} + int acpi_processor_get_throttling_info(struct acpi_processor *pr) { int result = 0; int step = 0; int i = 0; - + int no_ptc = 0; + int no_tss = 0; + int no_tsd = 0; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "pblk_address[0x%08x] duty_offset[%d] duty_width[%d]\n", @@ -182,6 +539,21 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr) return -EINVAL; /* TBD: Support ACPI 2.0 objects */ + no_ptc = acpi_processor_get_throttling_control(pr); + no_tss = acpi_processor_get_throttling_states(pr); + no_tsd = acpi_processor_get_tsd(pr); + + if (no_ptc || no_tss) { + pr->throttling.acpi_processor_get_throttling = + &acpi_processor_get_throttling_fadt; + pr->throttling.acpi_processor_set_throttling = + &acpi_processor_set_throttling_fadt; + } else { + pr->throttling.acpi_processor_get_throttling = + &acpi_processor_get_throttling_ptc; + pr->throttling.acpi_processor_set_throttling = + &acpi_processor_set_throttling_ptc; + } if (!pr->throttling.address) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling register\n")); @@ -262,7 +634,6 @@ static int acpi_processor_throttling_seq_show(struct seq_file *seq, int i = 0; int result = 0; - if (!pr) goto end; @@ -280,15 +651,25 @@ static int acpi_processor_throttling_seq_show(struct seq_file *seq, } seq_printf(seq, "state count: %d\n" - "active state: T%d\n", - pr->throttling.state_count, pr->throttling.state); + "active state: T%d\n" + "state available: T%d to T%d\n", + pr->throttling.state_count, pr->throttling.state, + pr->throttling_platform_limit, + pr->throttling.state_count - 1); seq_puts(seq, "states:\n"); - for (i = 0; i < pr->throttling.state_count; i++) - seq_printf(seq, " %cT%d: %02d%%\n", - (i == pr->throttling.state ? '*' : ' '), i, - (pr->throttling.states[i].performance ? pr-> - throttling.states[i].performance / 10 : 0)); + if (acpi_processor_get_throttling == acpi_processor_get_throttling_fadt) + for (i = 0; i < pr->throttling.state_count; i++) + seq_printf(seq, " %cT%d: %02d%%\n", + (i == pr->throttling.state ? '*' : ' '), i, + (pr->throttling.states[i].performance ? pr-> + throttling.states[i].performance / 10 : 0)); + else + for (i = 0; i < pr->throttling.state_count; i++) + seq_printf(seq, " %cT%d: %02d%%\n", + (i == pr->throttling.state ? '*' : ' '), i, + (int)pr->throttling.states_tss[i]. + freqpercentage); end: return 0; @@ -301,7 +682,7 @@ static int acpi_processor_throttling_open_fs(struct inode *inode, PDE(inode)->data); } -static ssize_t acpi_processor_write_throttling(struct file * file, +static ssize_t acpi_processor_write_throttling(struct file *file, const char __user * buffer, size_t count, loff_t * data) { @@ -310,7 +691,6 @@ static ssize_t acpi_processor_write_throttling(struct file * file, struct acpi_processor *pr = m->private; char state_string[12] = { '\0' }; - if (!pr || (count > sizeof(state_string) - 1)) return -EINVAL; diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index c1bae106833..974d00ccfe8 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -127,7 +127,7 @@ static int acpi_sbs_resume(struct acpi_device *device); static struct acpi_driver acpi_sbs_driver = { .name = "sbs", .class = ACPI_SBS_CLASS, - .ids = ACPI_SBS_HID, + .ids = "ACPI0001,ACPI0005", .ops = { .add = acpi_sbs_add, .remove = acpi_sbs_remove, @@ -176,10 +176,8 @@ struct acpi_battery { }; struct acpi_sbs { - acpi_handle handle; int base; struct acpi_device *device; - struct acpi_ec_smbus *smbus; struct mutex mutex; int sbsm_present; int sbsm_batteries_supported; @@ -511,7 +509,7 @@ static int acpi_sbsm_get_info(struct acpi_sbs *sbs) "acpi_sbs_read_word() failed")); goto end; } - + sbs->sbsm_present = 1; sbs->sbsm_batteries_supported = battery_system_info & 0x000f; end: @@ -1630,13 +1628,12 @@ static int acpi_sbs_add(struct acpi_device *device) { struct acpi_sbs *sbs = NULL; int result = 0, remove_result = 0; - unsigned long sbs_obj; int id; acpi_status status = AE_OK; unsigned long val; status = - acpi_evaluate_integer(device->parent->handle, "_EC", NULL, &val); + acpi_evaluate_integer(device->handle, "_EC", NULL, &val); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, AE_ERROR, "Error obtaining _EC")); return -EIO; @@ -1653,7 +1650,7 @@ static int acpi_sbs_add(struct acpi_device *device) sbs_mutex_lock(sbs); - sbs->base = (val & 0xff00ull) >> 8; + sbs->base = 0xff & (val >> 8); sbs->device = device; strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); @@ -1665,24 +1662,10 @@ static int acpi_sbs_add(struct acpi_device *device) ACPI_EXCEPTION((AE_INFO, AE_ERROR, "acpi_ac_add() failed")); goto end; } - status = acpi_evaluate_integer(device->handle, "_SBS", NULL, &sbs_obj); - if (status) { - ACPI_EXCEPTION((AE_INFO, status, - "acpi_evaluate_integer() failed")); - result = -EIO; - goto end; - } - if (sbs_obj > 0) { - result = acpi_sbsm_get_info(sbs); - if (result) { - ACPI_EXCEPTION((AE_INFO, AE_ERROR, - "acpi_sbsm_get_info() failed")); - goto end; - } - sbs->sbsm_present = 1; - } - if (sbs->sbsm_present == 0) { + acpi_sbsm_get_info(sbs); + + if (!sbs->sbsm_present) { result = acpi_battery_add(sbs, 0); if (result) { ACPI_EXCEPTION((AE_INFO, AE_ERROR, @@ -1702,8 +1685,6 @@ static int acpi_sbs_add(struct acpi_device *device) } } - sbs->handle = device->handle; - init_timer(&sbs->update_timer); result = acpi_check_update_proc(sbs); if (result) diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c index 42127c0d612..3279e72a94f 100644 --- a/drivers/acpi/sleep/main.c +++ b/drivers/acpi/sleep/main.c @@ -210,11 +210,6 @@ static void acpi_hibernation_finish(void) /* reset firmware waking vector */ acpi_set_firmware_waking_vector((acpi_physical_address) 0); - - if (init_8259A_after_S1) { - printk("Broken toshiba laptop -> kicking interrupts\n"); - init_8259A(0); - } } static int acpi_hibernation_pre_restore(void) diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index 83a8d309790..edee2806e37 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -39,15 +39,12 @@ ACPI_MODULE_NAME("system"); #define ACPI_SYSTEM_CLASS "system" #define ACPI_SYSTEM_DEVICE_NAME "System" -#define ACPI_SYSTEM_FILE_INFO "info" -#define ACPI_SYSTEM_FILE_EVENT "event" -#define ACPI_SYSTEM_FILE_DSDT "dsdt" -#define ACPI_SYSTEM_FILE_FADT "fadt" /* * Make ACPICA version work as module param */ -static int param_get_acpica_version(char *buffer, struct kernel_param *kp) { +static int param_get_acpica_version(char *buffer, struct kernel_param *kp) +{ int result; result = sprintf(buffer, "%x", ACPI_CA_VERSION); @@ -58,9 +55,126 @@ static int param_get_acpica_version(char *buffer, struct kernel_param *kp) { module_param_call(acpica_version, NULL, param_get_acpica_version, NULL, 0444); /* -------------------------------------------------------------------------- + FS Interface (/sys) + -------------------------------------------------------------------------- */ +static LIST_HEAD(acpi_table_attr_list); +static struct kobject tables_kobj; + +struct acpi_table_attr { + struct bin_attribute attr; + char name[8]; + int instance; + struct list_head node; +}; + +static ssize_t acpi_table_show(struct kobject *kobj, + struct bin_attribute *bin_attr, char *buf, + loff_t offset, size_t count) +{ + struct acpi_table_attr *table_attr = + container_of(bin_attr, struct acpi_table_attr, attr); + struct acpi_table_header *table_header = NULL; + acpi_status status; + ssize_t ret_count = count; + + status = + acpi_get_table(table_attr->name, table_attr->instance, + &table_header); + if (ACPI_FAILURE(status)) + return -ENODEV; + + if (offset >= table_header->length) { + ret_count = 0; + goto end; + } + + if (offset + ret_count > table_header->length) + ret_count = table_header->length - offset; + + memcpy(buf, ((char *)table_header) + offset, ret_count); + + end: + return ret_count; +} + +static void acpi_table_attr_init(struct acpi_table_attr *table_attr, + struct acpi_table_header *table_header) +{ + struct acpi_table_header *header = NULL; + struct acpi_table_attr *attr = NULL; + + memcpy(table_attr->name, table_header->signature, ACPI_NAME_SIZE); + + list_for_each_entry(attr, &acpi_table_attr_list, node) { + if (!memcmp(table_header->signature, attr->name, + ACPI_NAME_SIZE)) + if (table_attr->instance < attr->instance) + table_attr->instance = attr->instance; + } + table_attr->instance++; + + if (table_attr->instance > 1 || (table_attr->instance == 1 && + !acpi_get_table(table_header-> + signature, 2, + &header))) + sprintf(table_attr->name + 4, "%d", table_attr->instance); + + table_attr->attr.size = 0; + table_attr->attr.read = acpi_table_show; + table_attr->attr.attr.name = table_attr->name; + table_attr->attr.attr.mode = 0444; + table_attr->attr.attr.owner = THIS_MODULE; + + return; +} + +static int acpi_system_sysfs_init(void) +{ + struct acpi_table_attr *table_attr; + struct acpi_table_header *table_header = NULL; + int table_index = 0; + int result; + + tables_kobj.parent = &acpi_subsys.kobj; + kobject_set_name(&tables_kobj, "tables"); + result = kobject_register(&tables_kobj); + if (result) + return result; + + do { + result = acpi_get_table_by_index(table_index, &table_header); + if (!result) { + table_index++; + table_attr = NULL; + table_attr = + kzalloc(sizeof(struct acpi_table_attr), GFP_KERNEL); + if (!table_attr) + return -ENOMEM; + + acpi_table_attr_init(table_attr, table_header); + result = + sysfs_create_bin_file(&tables_kobj, + &table_attr->attr); + if (result) { + kfree(table_attr); + return result; + } else + list_add_tail(&table_attr->node, + &acpi_table_attr_list); + } + } while (!result); + + return 0; +} + +/* -------------------------------------------------------------------------- FS Interface (/proc) -------------------------------------------------------------------------- */ #ifdef CONFIG_ACPI_PROCFS +#define ACPI_SYSTEM_FILE_INFO "info" +#define ACPI_SYSTEM_FILE_EVENT "event" +#define ACPI_SYSTEM_FILE_DSDT "dsdt" +#define ACPI_SYSTEM_FILE_FADT "fadt" static int acpi_system_read_info(struct seq_file *seq, void *offset) { @@ -80,7 +194,6 @@ static const struct file_operations acpi_system_info_ops = { .llseek = seq_lseek, .release = single_release, }; -#endif static ssize_t acpi_system_read_dsdt(struct file *, char __user *, size_t, loff_t *); @@ -97,13 +210,11 @@ acpi_system_read_dsdt(struct file *file, struct acpi_table_header *dsdt = NULL; ssize_t res; - status = acpi_get_table(ACPI_SIG_DSDT, 1, &dsdt); if (ACPI_FAILURE(status)) return -ENODEV; - res = simple_read_from_buffer(buffer, count, ppos, - dsdt, dsdt->length); + res = simple_read_from_buffer(buffer, count, ppos, dsdt, dsdt->length); return res; } @@ -123,28 +234,21 @@ acpi_system_read_fadt(struct file *file, struct acpi_table_header *fadt = NULL; ssize_t res; - status = acpi_get_table(ACPI_SIG_FADT, 1, &fadt); if (ACPI_FAILURE(status)) return -ENODEV; - res = simple_read_from_buffer(buffer, count, ppos, - fadt, fadt->length); + res = simple_read_from_buffer(buffer, count, ppos, fadt, fadt->length); return res; } -static int __init acpi_system_init(void) +static int acpi_system_procfs_init(void) { struct proc_dir_entry *entry; int error = 0; char *name; - - if (acpi_disabled) - return 0; - -#ifdef CONFIG_ACPI_PROCFS /* 'info' [R] */ name = ACPI_SYSTEM_FILE_INFO; entry = create_proc_entry(name, S_IRUGO, acpi_root_dir); @@ -153,7 +257,6 @@ static int __init acpi_system_init(void) else { entry->proc_fops = &acpi_system_info_ops; } -#endif /* 'dsdt' [R] */ name = ACPI_SYSTEM_FILE_DSDT; @@ -177,12 +280,32 @@ static int __init acpi_system_init(void) Error: remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir); remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_root_dir); -#ifdef CONFIG_ACPI_PROCFS remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_root_dir); -#endif error = -EFAULT; goto Done; } +#else +static int acpi_system_procfs_init(void) +{ + return 0; +} +#endif + +static int __init acpi_system_init(void) +{ + int result = 0; + + if (acpi_disabled) + return 0; + + result = acpi_system_procfs_init(); + if (result) + return result; + + result = acpi_system_sysfs_init(); + + return result; +} subsys_initcall(acpi_system_init); diff --git a/drivers/acpi/tables/tbfadt.c b/drivers/acpi/tables/tbfadt.c index 1285e91474f..002bb33003a 100644 --- a/drivers/acpi/tables/tbfadt.c +++ b/drivers/acpi/tables/tbfadt.c @@ -211,14 +211,17 @@ void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags) * DESCRIPTION: Get a local copy of the FADT and convert it to a common format. * Performs validation on some important FADT fields. * + * NOTE: We create a local copy of the FADT regardless of the version. + * ******************************************************************************/ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) { /* - * Check if the FADT is larger than what we know about (ACPI 2.0 version). - * Truncate the table, but make some noise. + * Check if the FADT is larger than the largest table that we expect + * (the ACPI 2.0/3.0 version). If so, truncate the table, and issue + * a warning. */ if (length > sizeof(struct acpi_table_fadt)) { ACPI_WARNING((AE_INFO, @@ -227,10 +230,12 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) sizeof(struct acpi_table_fadt))); } - /* Copy the entire FADT locally. Zero first for tb_convert_fadt */ + /* Clear the entire local FADT */ ACPI_MEMSET(&acpi_gbl_FADT, 0, sizeof(struct acpi_table_fadt)); + /* Copy the original FADT, up to sizeof (struct acpi_table_fadt) */ + ACPI_MEMCPY(&acpi_gbl_FADT, table, ACPI_MIN(length, sizeof(struct acpi_table_fadt))); @@ -251,7 +256,7 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) * RETURN: None * * DESCRIPTION: Converts all versions of the FADT to a common internal format. - * -> Expand all 32-bit addresses to 64-bit. + * Expand all 32-bit addresses to 64-bit. * * NOTE: acpi_gbl_FADT must be of size (struct acpi_table_fadt), * and must contain a copy of the actual FADT. @@ -292,8 +297,23 @@ static void acpi_tb_convert_fadt(void) } /* - * Expand the 32-bit V1.0 addresses to the 64-bit "X" generic address - * structures as necessary. + * For ACPI 1.0 FADTs (revision 1 or 2), ensure that reserved fields which + * should be zero are indeed zero. This will workaround BIOSs that + * inadvertently place values in these fields. + * + * The ACPI 1.0 reserved fields that will be zeroed are the bytes located at + * offset 45, 55, 95, and the word located at offset 109, 110. + */ + if (acpi_gbl_FADT.header.revision < 3) { + acpi_gbl_FADT.preferred_profile = 0; + acpi_gbl_FADT.pstate_control = 0; + acpi_gbl_FADT.cst_control = 0; + acpi_gbl_FADT.boot_flags = 0; + } + + /* + * Expand the ACPI 1.0 32-bit V1.0 addresses to the ACPI 2.0 64-bit "X" + * generic address structures as necessary. */ for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) { target = @@ -349,18 +369,6 @@ static void acpi_tb_convert_fadt(void) acpi_gbl_FADT.xpm1a_event_block.space_id; } - - /* - * For ACPI 1.0 FADTs, ensure that reserved fields (which should be zero) - * are indeed zero. This will workaround BIOSs that inadvertently placed - * values in these fields. - */ - if (acpi_gbl_FADT.header.revision < 3) { - acpi_gbl_FADT.preferred_profile = 0; - acpi_gbl_FADT.pstate_control = 0; - acpi_gbl_FADT.cst_control = 0; - acpi_gbl_FADT.boot_flags = 0; - } } /****************************************************************************** diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c index 8ec6f8e4813..f112af433e3 100644 --- a/drivers/acpi/utilities/uteval.c +++ b/drivers/acpi/utilities/uteval.c @@ -62,16 +62,13 @@ acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc, static char *acpi_interfaces_supported[] = { /* Operating System Vendor Strings */ - "Windows 2000", - "Windows 2001", - "Windows 2001 SP0", - "Windows 2001 SP1", - "Windows 2001 SP2", - "Windows 2001 SP3", - "Windows 2001 SP4", - "Windows 2001.1", - "Windows 2001.1 SP1", /* Added 03/2006 */ - "Windows 2006", /* Added 03/2006 */ + "Windows 2000", /* Windows 2000 */ + "Windows 2001", /* Windows XP */ + "Windows 2001 SP1", /* Windows XP SP1 */ + "Windows 2001 SP2", /* Windows XP SP2 */ + "Windows 2001.1", /* Windows Server 2003 */ + "Windows 2001.1 SP1", /* Windows Server 2003 SP1 - Added 03/2006 */ + "Windows 2006", /* Windows Vista - Added 03/2006 */ /* Feature Group Strings */ diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 00d25b34725..5f014d3764c 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -33,6 +33,7 @@ #include <linux/seq_file.h> #include <linux/backlight.h> +#include <linux/video_output.h> #include <asm/uaccess.h> #include <acpi/acpi_bus.h> @@ -169,6 +170,7 @@ struct acpi_video_device { struct acpi_device *dev; struct acpi_video_device_brightness *brightness; struct backlight_device *backlight; + struct output_device *output_dev; }; /* bus */ @@ -272,6 +274,10 @@ static int acpi_video_get_next_level(struct acpi_video_device *device, u32 level_current, u32 event); static void acpi_video_switch_brightness(struct acpi_video_device *device, int event); +static int acpi_video_device_get_state(struct acpi_video_device *device, + unsigned long *state); +static int acpi_video_output_get(struct output_device *od); +static int acpi_video_device_set_state(struct acpi_video_device *device, int state); /*backlight device sysfs support*/ static int acpi_video_get_brightness(struct backlight_device *bd) @@ -297,6 +303,28 @@ static struct backlight_ops acpi_backlight_ops = { .update_status = acpi_video_set_brightness, }; +/*video output device sysfs support*/ +static int acpi_video_output_get(struct output_device *od) +{ + unsigned long state; + struct acpi_video_device *vd = + (struct acpi_video_device *)class_get_devdata(&od->class_dev); + acpi_video_device_get_state(vd, &state); + return (int)state; +} + +static int acpi_video_output_set(struct output_device *od) +{ + unsigned long state = od->request_state; + struct acpi_video_device *vd= + (struct acpi_video_device *)class_get_devdata(&od->class_dev); + return acpi_video_device_set_state(vd, state); +} + +static struct output_properties acpi_output_properties = { + .set_state = acpi_video_output_set, + .get_status = acpi_video_output_get, +}; /* -------------------------------------------------------------------------- Video Management -------------------------------------------------------------------------- */ @@ -531,7 +559,6 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) static void acpi_video_device_find_cap(struct acpi_video_device *device) { - acpi_integer status; acpi_handle h_dummy1; int i; u32 max_level = 0; @@ -565,50 +592,55 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) device->cap._DSS = 1; } - status = acpi_video_device_lcd_query_levels(device, &obj); - - if (obj && obj->type == ACPI_TYPE_PACKAGE && obj->package.count >= 2) { - int count = 0; - union acpi_object *o; - - br = kzalloc(sizeof(*br), GFP_KERNEL); - if (!br) { - printk(KERN_ERR "can't allocate memory\n"); - } else { - br->levels = kmalloc(obj->package.count * - sizeof *(br->levels), GFP_KERNEL); - if (!br->levels) - goto out; - - for (i = 0; i < obj->package.count; i++) { - o = (union acpi_object *)&obj->package. - elements[i]; - if (o->type != ACPI_TYPE_INTEGER) { - printk(KERN_ERR PREFIX "Invalid data\n"); - continue; - } - br->levels[count] = (u32) o->integer.value; - if (br->levels[count] > max_level) - max_level = br->levels[count]; - count++; - } - out: - if (count < 2) { - kfree(br->levels); - kfree(br); + if (ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) { + + if (obj->package.count >= 2) { + int count = 0; + union acpi_object *o; + + br = kzalloc(sizeof(*br), GFP_KERNEL); + if (!br) { + printk(KERN_ERR "can't allocate memory\n"); } else { - br->count = count; - device->brightness = br; - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "found %d brightness levels\n", - count)); + br->levels = kmalloc(obj->package.count * + sizeof *(br->levels), GFP_KERNEL); + if (!br->levels) + goto out; + + for (i = 0; i < obj->package.count; i++) { + o = (union acpi_object *)&obj->package. + elements[i]; + if (o->type != ACPI_TYPE_INTEGER) { + printk(KERN_ERR PREFIX "Invalid data\n"); + continue; + } + br->levels[count] = (u32) o->integer.value; + + if (br->levels[count] > max_level) + max_level = br->levels[count]; + count++; + } + out: + if (count < 2) { + kfree(br->levels); + kfree(br); + } else { + br->count = count; + device->brightness = br; + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "found %d brightness levels\n", + count)); + } } } + + } else { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available LCD brightness level\n")); } kfree(obj); - if (device->cap._BCL && device->cap._BCM && device->cap._BQC){ + if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){ unsigned long tmp; static int count = 0; char *name; @@ -626,6 +658,17 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) kfree(name); } + if (device->cap._DCS && device->cap._DSS){ + static int count = 0; + char *name; + name = kzalloc(MAX_NAME_LEN, GFP_KERNEL); + if (!name) + return; + sprintf(name, "acpi_video%d", count++); + device->output_dev = video_output_register(name, + NULL, device, &acpi_output_properties); + kfree(name); + } return; } @@ -1669,6 +1712,7 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device) ACPI_DEVICE_NOTIFY, acpi_video_device_notify); backlight_device_unregister(device->backlight); + video_output_unregister(device->output_dev); return 0; } diff --git a/drivers/base/power/trace.c b/drivers/base/power/trace.c index a9ab30fefff..2b0c601e422 100644 --- a/drivers/base/power/trace.c +++ b/drivers/base/power/trace.c @@ -142,6 +142,7 @@ void set_trace_device(struct device *dev) { dev_hash_value = hash_string(DEVSEED, dev->bus_id, DEVHASH); } +EXPORT_SYMBOL(set_trace_device); /* * We could just take the "tracedata" index into the .tracedata @@ -162,6 +163,7 @@ void generate_resume_trace(void *tracedata, unsigned int user) file_hash_value = hash_string(lineno, file, FILEHASH); set_magic_time(user_hash_value, file_hash_value, dev_hash_value); } +EXPORT_SYMBOL(generate_resume_trace); extern char __tracedata_start, __tracedata_end; static int show_file_hash(unsigned int value) @@ -170,7 +172,8 @@ static int show_file_hash(unsigned int value) char *tracedata; match = 0; - for (tracedata = &__tracedata_start ; tracedata < &__tracedata_end ; tracedata += 6) { + for (tracedata = &__tracedata_start ; tracedata < &__tracedata_end ; + tracedata += 2 + sizeof(unsigned long)) { unsigned short lineno = *(unsigned short *)tracedata; const char *file = *(const char **)(tracedata + 2); unsigned int hash = hash_string(lineno, file, FILEHASH); diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 819c829125f..a7a099027fc 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_MAC_FLOPPY) += swim3.o obj-$(CONFIG_BLK_DEV_FD) += floppy.o obj-$(CONFIG_AMIGA_FLOPPY) += amiflop.o +obj-$(CONFIG_PS3_DISK) += ps3disk.o obj-$(CONFIG_ATARI_FLOPPY) += ataflop.o obj-$(CONFIG_AMIGA_Z2RAM) += z2ram.o obj-$(CONFIG_BLK_DEV_RAM) += rd.o diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c new file mode 100644 index 00000000000..170fb33dba9 --- /dev/null +++ b/drivers/block/ps3disk.c @@ -0,0 +1,630 @@ +/* + * PS3 Disk Storage Driver + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony 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. + * + * 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/ata.h> +#include <linux/blkdev.h> + +#include <asm/lv1call.h> +#include <asm/ps3stor.h> +#include <asm/firmware.h> + + +#define DEVICE_NAME "ps3disk" + +#define BOUNCE_SIZE (64*1024) + +#define PS3DISK_MAX_DISKS 16 +#define PS3DISK_MINORS 16 + + +#define PS3DISK_NAME "ps3d%c" + + +struct ps3disk_private { + spinlock_t lock; /* Request queue spinlock */ + struct request_queue *queue; + struct gendisk *gendisk; + unsigned int blocking_factor; + struct request *req; + u64 raw_capacity; + unsigned char model[ATA_ID_PROD_LEN+1]; +}; + + +#define LV1_STORAGE_SEND_ATA_COMMAND (2) +#define LV1_STORAGE_ATA_HDDOUT (0x23) + +struct lv1_ata_cmnd_block { + u16 features; + u16 sector_count; + u16 LBA_low; + u16 LBA_mid; + u16 LBA_high; + u8 device; + u8 command; + u32 is_ext; + u32 proto; + u32 in_out; + u32 size; + u64 buffer; + u32 arglen; +}; + +enum lv1_ata_proto { + NON_DATA_PROTO = 0, + PIO_DATA_IN_PROTO = 1, + PIO_DATA_OUT_PROTO = 2, + DMA_PROTO = 3 +}; + +enum lv1_ata_in_out { + DIR_WRITE = 0, /* memory -> device */ + DIR_READ = 1 /* device -> memory */ +}; + +static int ps3disk_major; + + +static struct block_device_operations ps3disk_fops = { + .owner = THIS_MODULE, +}; + + +static void ps3disk_scatter_gather(struct ps3_storage_device *dev, + struct request *req, int gather) +{ + unsigned int offset = 0; + struct bio *bio; + sector_t sector; + struct bio_vec *bvec; + unsigned int i = 0, j; + size_t size; + void *buf; + + rq_for_each_bio(bio, req) { + sector = bio->bi_sector; + dev_dbg(&dev->sbd.core, + "%s:%u: bio %u: %u segs %u sectors from %lu\n", + __func__, __LINE__, i, bio_segments(bio), + bio_sectors(bio), sector); + bio_for_each_segment(bvec, bio, j) { + size = bvec->bv_len; + buf = __bio_kmap_atomic(bio, j, KM_IRQ0); + if (gather) + memcpy(dev->bounce_buf+offset, buf, size); + else + memcpy(buf, dev->bounce_buf+offset, size); + offset += size; + flush_kernel_dcache_page(bio_iovec_idx(bio, j)->bv_page); + __bio_kunmap_atomic(bio, KM_IRQ0); + } + i++; + } +} + +static int ps3disk_submit_request_sg(struct ps3_storage_device *dev, + struct request *req) +{ + struct ps3disk_private *priv = dev->sbd.core.driver_data; + int write = rq_data_dir(req), res; + const char *op = write ? "write" : "read"; + u64 start_sector, sectors; + unsigned int region_id = dev->regions[dev->region_idx].id; + +#ifdef DEBUG + unsigned int n = 0; + struct bio *bio; + + rq_for_each_bio(bio, req) + n++; + dev_dbg(&dev->sbd.core, + "%s:%u: %s req has %u bios for %lu sectors %lu hard sectors\n", + __func__, __LINE__, op, n, req->nr_sectors, + req->hard_nr_sectors); +#endif + + start_sector = req->sector * priv->blocking_factor; + sectors = req->nr_sectors * priv->blocking_factor; + dev_dbg(&dev->sbd.core, "%s:%u: %s %lu sectors starting at %lu\n", + __func__, __LINE__, op, sectors, start_sector); + + if (write) { + ps3disk_scatter_gather(dev, req, 1); + + res = lv1_storage_write(dev->sbd.dev_id, region_id, + start_sector, sectors, 0, + dev->bounce_lpar, &dev->tag); + } else { + res = lv1_storage_read(dev->sbd.dev_id, region_id, + start_sector, sectors, 0, + dev->bounce_lpar, &dev->tag); + } + if (res) { + dev_err(&dev->sbd.core, "%s:%u: %s failed %d\n", __func__, + __LINE__, op, res); + end_request(req, 0); + return 0; + } + + priv->req = req; + return 1; +} + +static int ps3disk_submit_flush_request(struct ps3_storage_device *dev, + struct request *req) +{ + struct ps3disk_private *priv = dev->sbd.core.driver_data; + u64 res; + + dev_dbg(&dev->sbd.core, "%s:%u: flush request\n", __func__, __LINE__); + + res = lv1_storage_send_device_command(dev->sbd.dev_id, + LV1_STORAGE_ATA_HDDOUT, 0, 0, 0, + 0, &dev->tag); + if (res) { + dev_err(&dev->sbd.core, "%s:%u: sync cache failed 0x%lx\n", + __func__, __LINE__, res); + end_request(req, 0); + return 0; + } + + priv->req = req; + return 1; +} + +static void ps3disk_do_request(struct ps3_storage_device *dev, + request_queue_t *q) +{ + struct request *req; + + dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__); + + while ((req = elv_next_request(q))) { + if (blk_fs_request(req)) { + if (ps3disk_submit_request_sg(dev, req)) + break; + } else if (req->cmd_type == REQ_TYPE_FLUSH) { + if (ps3disk_submit_flush_request(dev, req)) + break; + } else { + blk_dump_rq_flags(req, DEVICE_NAME " bad request"); + end_request(req, 0); + continue; + } + } +} + +static void ps3disk_request(request_queue_t *q) +{ + struct ps3_storage_device *dev = q->queuedata; + struct ps3disk_private *priv = dev->sbd.core.driver_data; + + if (priv->req) { + dev_dbg(&dev->sbd.core, "%s:%u busy\n", __func__, __LINE__); + return; + } + + ps3disk_do_request(dev, q); +} + +static irqreturn_t ps3disk_interrupt(int irq, void *data) +{ + struct ps3_storage_device *dev = data; + struct ps3disk_private *priv; + struct request *req; + int res, read, uptodate; + u64 tag, status; + unsigned long num_sectors; + const char *op; + + res = lv1_storage_get_async_status(dev->sbd.dev_id, &tag, &status); + + if (tag != dev->tag) + dev_err(&dev->sbd.core, + "%s:%u: tag mismatch, got %lx, expected %lx\n", + __func__, __LINE__, tag, dev->tag); + + if (res) { + dev_err(&dev->sbd.core, "%s:%u: res=%d status=0x%lx\n", + __func__, __LINE__, res, status); + return IRQ_HANDLED; + } + + priv = dev->sbd.core.driver_data; + req = priv->req; + if (!req) { + dev_dbg(&dev->sbd.core, + "%s:%u non-block layer request completed\n", __func__, + __LINE__); + dev->lv1_status = status; + complete(&dev->done); + return IRQ_HANDLED; + } + + if (req->cmd_type == REQ_TYPE_FLUSH) { + read = 0; + num_sectors = req->hard_cur_sectors; + op = "flush"; + } else { + read = !rq_data_dir(req); + num_sectors = req->nr_sectors; + op = read ? "read" : "write"; + } + if (status) { + dev_dbg(&dev->sbd.core, "%s:%u: %s failed 0x%lx\n", __func__, + __LINE__, op, status); + uptodate = 0; + } else { + dev_dbg(&dev->sbd.core, "%s:%u: %s completed\n", __func__, + __LINE__, op); + uptodate = 1; + if (read) + ps3disk_scatter_gather(dev, req, 0); + } + + spin_lock(&priv->lock); + if (!end_that_request_first(req, uptodate, num_sectors)) { + add_disk_randomness(req->rq_disk); + blkdev_dequeue_request(req); + end_that_request_last(req, uptodate); + } + priv->req = NULL; + ps3disk_do_request(dev, priv->queue); + spin_unlock(&priv->lock); + + return IRQ_HANDLED; +} + +static int ps3disk_sync_cache(struct ps3_storage_device *dev) +{ + u64 res; + + dev_dbg(&dev->sbd.core, "%s:%u: sync cache\n", __func__, __LINE__); + + res = ps3stor_send_command(dev, LV1_STORAGE_ATA_HDDOUT, 0, 0, 0, 0); + if (res) { + dev_err(&dev->sbd.core, "%s:%u: sync cache failed 0x%lx\n", + __func__, __LINE__, res); + return -EIO; + } + return 0; +} + + +/* ATA helpers copied from drivers/ata/libata-core.c */ + +static void swap_buf_le16(u16 *buf, unsigned int buf_words) +{ +#ifdef __BIG_ENDIAN + unsigned int i; + + for (i = 0; i < buf_words; i++) + buf[i] = le16_to_cpu(buf[i]); +#endif /* __BIG_ENDIAN */ +} + +static u64 ata_id_n_sectors(const u16 *id) +{ + if (ata_id_has_lba(id)) { + if (ata_id_has_lba48(id)) + return ata_id_u64(id, 100); + else + return ata_id_u32(id, 60); + } else { + if (ata_id_current_chs_valid(id)) + return ata_id_u32(id, 57); + else + return id[1] * id[3] * id[6]; + } +} + +static void ata_id_string(const u16 *id, unsigned char *s, unsigned int ofs, + unsigned int len) +{ + unsigned int c; + + while (len > 0) { + c = id[ofs] >> 8; + *s = c; + s++; + + c = id[ofs] & 0xff; + *s = c; + s++; + + ofs++; + len -= 2; + } +} + +static void ata_id_c_string(const u16 *id, unsigned char *s, unsigned int ofs, + unsigned int len) +{ + unsigned char *p; + + WARN_ON(!(len & 1)); + + ata_id_string(id, s, ofs, len - 1); + + p = s + strnlen(s, len - 1); + while (p > s && p[-1] == ' ') + p--; + *p = '\0'; +} + +static int ps3disk_identify(struct ps3_storage_device *dev) +{ + struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct lv1_ata_cmnd_block ata_cmnd; + u16 *id = dev->bounce_buf; + u64 res; + + dev_dbg(&dev->sbd.core, "%s:%u: identify disk\n", __func__, __LINE__); + + memset(&ata_cmnd, 0, sizeof(struct lv1_ata_cmnd_block)); + ata_cmnd.command = ATA_CMD_ID_ATA; + ata_cmnd.sector_count = 1; + ata_cmnd.size = ata_cmnd.arglen = ATA_ID_WORDS * 2; + ata_cmnd.buffer = dev->bounce_lpar; + ata_cmnd.proto = PIO_DATA_IN_PROTO; + ata_cmnd.in_out = DIR_READ; + + res = ps3stor_send_command(dev, LV1_STORAGE_SEND_ATA_COMMAND, + ps3_mm_phys_to_lpar(__pa(&ata_cmnd)), + sizeof(ata_cmnd), ata_cmnd.buffer, + ata_cmnd.arglen); + if (res) { + dev_err(&dev->sbd.core, "%s:%u: identify disk failed 0x%lx\n", + __func__, __LINE__, res); + return -EIO; + } + + swap_buf_le16(id, ATA_ID_WORDS); + + /* All we're interested in are raw capacity and model name */ + priv->raw_capacity = ata_id_n_sectors(id); + ata_id_c_string(id, priv->model, ATA_ID_PROD, sizeof(priv->model)); + return 0; +} + +static void ps3disk_prepare_flush(request_queue_t *q, struct request *req) +{ + struct ps3_storage_device *dev = q->queuedata; + + dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__); + + memset(req->cmd, 0, sizeof(req->cmd)); + req->cmd_type = REQ_TYPE_FLUSH; +} + +static int ps3disk_issue_flush(request_queue_t *q, struct gendisk *gendisk, + sector_t *sector) +{ + struct ps3_storage_device *dev = q->queuedata; + struct request *req; + int res; + + dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__); + + req = blk_get_request(q, WRITE, __GFP_WAIT); + ps3disk_prepare_flush(q, req); + res = blk_execute_rq(q, gendisk, req, 0); + if (res) + dev_err(&dev->sbd.core, "%s:%u: flush request failed %d\n", + __func__, __LINE__, res); + blk_put_request(req); + return res; +} + + +static unsigned long ps3disk_mask; + +static DEFINE_MUTEX(ps3disk_mask_mutex); + +static int __devinit ps3disk_probe(struct ps3_system_bus_device *_dev) +{ + struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); + struct ps3disk_private *priv; + int error; + unsigned int devidx; + struct request_queue *queue; + struct gendisk *gendisk; + + if (dev->blk_size < 512) { + dev_err(&dev->sbd.core, + "%s:%u: cannot handle block size %lu\n", __func__, + __LINE__, dev->blk_size); + return -EINVAL; + } + + BUILD_BUG_ON(PS3DISK_MAX_DISKS > BITS_PER_LONG); + mutex_lock(&ps3disk_mask_mutex); + devidx = find_first_zero_bit(&ps3disk_mask, PS3DISK_MAX_DISKS); + if (devidx >= PS3DISK_MAX_DISKS) { + dev_err(&dev->sbd.core, "%s:%u: Too many disks\n", __func__, + __LINE__); + mutex_unlock(&ps3disk_mask_mutex); + return -ENOSPC; + } + __set_bit(devidx, &ps3disk_mask); + mutex_unlock(&ps3disk_mask_mutex); + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) { + error = -ENOMEM; + goto fail; + } + + dev->sbd.core.driver_data = priv; + spin_lock_init(&priv->lock); + + dev->bounce_size = BOUNCE_SIZE; + dev->bounce_buf = kmalloc(BOUNCE_SIZE, GFP_DMA); + if (!dev->bounce_buf) { + error = -ENOMEM; + goto fail_free_priv; + } + + error = ps3stor_setup(dev, ps3disk_interrupt); + if (error) + goto fail_free_bounce; + + ps3disk_identify(dev); + + queue = blk_init_queue(ps3disk_request, &priv->lock); + if (!queue) { + dev_err(&dev->sbd.core, "%s:%u: blk_init_queue failed\n", + __func__, __LINE__); + error = -ENOMEM; + goto fail_teardown; + } + + priv->queue = queue; + queue->queuedata = dev; + + blk_queue_bounce_limit(queue, BLK_BOUNCE_HIGH); + + blk_queue_max_sectors(queue, dev->bounce_size >> 9); + blk_queue_segment_boundary(queue, -1UL); + blk_queue_dma_alignment(queue, dev->blk_size-1); + blk_queue_hardsect_size(queue, dev->blk_size); + + blk_queue_issue_flush_fn(queue, ps3disk_issue_flush); + blk_queue_ordered(queue, QUEUE_ORDERED_DRAIN_FLUSH, + ps3disk_prepare_flush); + + blk_queue_max_phys_segments(queue, -1); + blk_queue_max_hw_segments(queue, -1); + blk_queue_max_segment_size(queue, dev->bounce_size); + + gendisk = alloc_disk(PS3DISK_MINORS); + if (!gendisk) { + dev_err(&dev->sbd.core, "%s:%u: alloc_disk failed\n", __func__, + __LINE__); + error = -ENOMEM; + goto fail_cleanup_queue; + } + + priv->gendisk = gendisk; + gendisk->major = ps3disk_major; + gendisk->first_minor = devidx * PS3DISK_MINORS; + gendisk->fops = &ps3disk_fops; + gendisk->queue = queue; + gendisk->private_data = dev; + gendisk->driverfs_dev = &dev->sbd.core; + snprintf(gendisk->disk_name, sizeof(gendisk->disk_name), PS3DISK_NAME, + devidx+'a'); + priv->blocking_factor = dev->blk_size >> 9; + set_capacity(gendisk, + dev->regions[dev->region_idx].size*priv->blocking_factor); + + dev_info(&dev->sbd.core, + "%s is a %s (%lu MiB total, %lu MiB for OtherOS)\n", + gendisk->disk_name, priv->model, priv->raw_capacity >> 11, + get_capacity(gendisk) >> 11); + + add_disk(gendisk); + return 0; + +fail_cleanup_queue: + blk_cleanup_queue(queue); +fail_teardown: + ps3stor_teardown(dev); +fail_free_bounce: + kfree(dev->bounce_buf); +fail_free_priv: + kfree(priv); + dev->sbd.core.driver_data = NULL; +fail: + mutex_lock(&ps3disk_mask_mutex); + __clear_bit(devidx, &ps3disk_mask); + mutex_unlock(&ps3disk_mask_mutex); + return error; +} + +static int ps3disk_remove(struct ps3_system_bus_device *_dev) +{ + struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); + struct ps3disk_private *priv = dev->sbd.core.driver_data; + + mutex_lock(&ps3disk_mask_mutex); + __clear_bit(priv->gendisk->first_minor / PS3DISK_MINORS, + &ps3disk_mask); + mutex_unlock(&ps3disk_mask_mutex); + del_gendisk(priv->gendisk); + blk_cleanup_queue(priv->queue); + put_disk(priv->gendisk); + dev_notice(&dev->sbd.core, "Synchronizing disk cache\n"); + ps3disk_sync_cache(dev); + ps3stor_teardown(dev); + kfree(dev->bounce_buf); + kfree(priv); + dev->sbd.core.driver_data = NULL; + return 0; +} + +static struct ps3_system_bus_driver ps3disk = { + .match_id = PS3_MATCH_ID_STOR_DISK, + .core.name = DEVICE_NAME, + .core.owner = THIS_MODULE, + .probe = ps3disk_probe, + .remove = ps3disk_remove, + .shutdown = ps3disk_remove, +}; + + +static int __init ps3disk_init(void) +{ + int error; + + if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) + return -ENODEV; + + error = register_blkdev(0, DEVICE_NAME); + if (error <= 0) { + printk(KERN_ERR "%s:%u: register_blkdev failed %d\n", __func__, + __LINE__, error); + return error; + } + ps3disk_major = error; + + pr_info("%s:%u: registered block device major %d\n", __func__, + __LINE__, ps3disk_major); + + error = ps3_system_bus_driver_register(&ps3disk); + if (error) + unregister_blkdev(ps3disk_major, DEVICE_NAME); + + return error; +} + +static void __exit ps3disk_exit(void) +{ + ps3_system_bus_driver_unregister(&ps3disk); + unregister_blkdev(ps3disk_major, DEVICE_NAME); +} + +module_init(ps3disk_init); +module_exit(ps3disk_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("PS3 Disk Storage Driver"); +MODULE_AUTHOR("Sony Corporation"); +MODULE_ALIAS(PS3_MODULE_ALIAS_STOR_DISK); diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 4e6f387fd18..8fecaf4010b 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -107,6 +107,8 @@ obj-$(CONFIG_IPMI_HANDLER) += ipmi/ obj-$(CONFIG_HANGCHECK_TIMER) += hangcheck-timer.o obj-$(CONFIG_TCG_TPM) += tpm/ +obj-$(CONFIG_PS3_FLASH) += ps3flash.o + # Files generated that shall be removed upon make clean clean-files := consolemap_deftbl.c defkeymap.c diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 7cda04b3353..2d7cd486e02 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -41,7 +41,7 @@ config HW_RANDOM_AMD config HW_RANDOM_GEODE tristate "AMD Geode HW Random Number Generator support" - depends on HW_RANDOM && X86 && PCI + depends on HW_RANDOM && X86_32 && PCI default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c new file mode 100644 index 00000000000..79b6f461be7 --- /dev/null +++ b/drivers/char/ps3flash.c @@ -0,0 +1,440 @@ +/* + * PS3 FLASH ROM Storage Driver + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony 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. + * + * 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/fs.h> +#include <linux/miscdevice.h> +#include <linux/uaccess.h> + +#include <asm/lv1call.h> +#include <asm/ps3stor.h> + + +#define DEVICE_NAME "ps3flash" + +#define FLASH_BLOCK_SIZE (256*1024) + + +struct ps3flash_private { + struct mutex mutex; /* Bounce buffer mutex */ +}; + +static struct ps3_storage_device *ps3flash_dev; + +static ssize_t ps3flash_read_write_sectors(struct ps3_storage_device *dev, + u64 lpar, u64 start_sector, + u64 sectors, int write) +{ + u64 res = ps3stor_read_write_sectors(dev, lpar, start_sector, sectors, + write); + if (res) { + dev_err(&dev->sbd.core, "%s:%u: %s failed 0x%lx\n", __func__, + __LINE__, write ? "write" : "read", res); + return -EIO; + } + return sectors; +} + +static ssize_t ps3flash_read_sectors(struct ps3_storage_device *dev, + u64 start_sector, u64 sectors, + unsigned int sector_offset) +{ + u64 max_sectors, lpar; + + max_sectors = dev->bounce_size / dev->blk_size; + if (sectors > max_sectors) { + dev_dbg(&dev->sbd.core, "%s:%u Limiting sectors to %lu\n", + __func__, __LINE__, max_sectors); + sectors = max_sectors; + } + + lpar = dev->bounce_lpar + sector_offset * dev->blk_size; + return ps3flash_read_write_sectors(dev, lpar, start_sector, sectors, + 0); +} + +static ssize_t ps3flash_write_chunk(struct ps3_storage_device *dev, + u64 start_sector) +{ + u64 sectors = dev->bounce_size / dev->blk_size; + return ps3flash_read_write_sectors(dev, dev->bounce_lpar, start_sector, + sectors, 1); +} + +static loff_t ps3flash_llseek(struct file *file, loff_t offset, int origin) +{ + struct ps3_storage_device *dev = ps3flash_dev; + loff_t res; + + mutex_lock(&file->f_mapping->host->i_mutex); + switch (origin) { + case 1: + offset += file->f_pos; + break; + case 2: + offset += dev->regions[dev->region_idx].size*dev->blk_size; + break; + } + if (offset < 0) { + res = -EINVAL; + goto out; + } + + file->f_pos = offset; + res = file->f_pos; + +out: + mutex_unlock(&file->f_mapping->host->i_mutex); + return res; +} + +static ssize_t ps3flash_read(struct file *file, char __user *buf, size_t count, + loff_t *pos) +{ + struct ps3_storage_device *dev = ps3flash_dev; + struct ps3flash_private *priv = dev->sbd.core.driver_data; + u64 size, start_sector, end_sector, offset; + ssize_t sectors_read; + size_t remaining, n; + + dev_dbg(&dev->sbd.core, + "%s:%u: Reading %zu bytes at position %lld to user 0x%p\n", + __func__, __LINE__, count, *pos, buf); + + size = dev->regions[dev->region_idx].size*dev->blk_size; + if (*pos >= size || !count) + return 0; + + if (*pos + count > size) { + dev_dbg(&dev->sbd.core, + "%s:%u Truncating count from %zu to %llu\n", __func__, + __LINE__, count, size - *pos); + count = size - *pos; + } + + start_sector = *pos / dev->blk_size; + offset = *pos % dev->blk_size; + end_sector = DIV_ROUND_UP(*pos + count, dev->blk_size); + + remaining = count; + do { + mutex_lock(&priv->mutex); + + sectors_read = ps3flash_read_sectors(dev, start_sector, + end_sector-start_sector, + 0); + if (sectors_read < 0) { + mutex_unlock(&priv->mutex); + goto fail; + } + + n = min(remaining, sectors_read*dev->blk_size-offset); + dev_dbg(&dev->sbd.core, + "%s:%u: copy %lu bytes from 0x%p to user 0x%p\n", + __func__, __LINE__, n, dev->bounce_buf+offset, buf); + if (copy_to_user(buf, dev->bounce_buf+offset, n)) { + mutex_unlock(&priv->mutex); + sectors_read = -EFAULT; + goto fail; + } + + mutex_unlock(&priv->mutex); + + *pos += n; + buf += n; + remaining -= n; + start_sector += sectors_read; + offset = 0; + } while (remaining > 0); + + return count; + +fail: + return sectors_read; +} + +static ssize_t ps3flash_write(struct file *file, const char __user *buf, + size_t count, loff_t *pos) +{ + struct ps3_storage_device *dev = ps3flash_dev; + struct ps3flash_private *priv = dev->sbd.core.driver_data; + u64 size, chunk_sectors, start_write_sector, end_write_sector, + end_read_sector, start_read_sector, head, tail, offset; + ssize_t res; + size_t remaining, n; + unsigned int sec_off; + + dev_dbg(&dev->sbd.core, + "%s:%u: Writing %zu bytes at position %lld from user 0x%p\n", + __func__, __LINE__, count, *pos, buf); + + size = dev->regions[dev->region_idx].size*dev->blk_size; + if (*pos >= size || !count) + return 0; + + if (*pos + count > size) { + dev_dbg(&dev->sbd.core, + "%s:%u Truncating count from %zu to %llu\n", __func__, + __LINE__, count, size - *pos); + count = size - *pos; + } + + chunk_sectors = dev->bounce_size / dev->blk_size; + + start_write_sector = *pos / dev->bounce_size * chunk_sectors; + offset = *pos % dev->bounce_size; + end_write_sector = DIV_ROUND_UP(*pos + count, dev->bounce_size) * + chunk_sectors; + + end_read_sector = DIV_ROUND_UP(*pos, dev->blk_size); + start_read_sector = (*pos + count) / dev->blk_size; + + /* + * As we have to write in 256 KiB chunks, while we can read in blk_size + * (usually 512 bytes) chunks, we perform the following steps: + * 1. Read from start_write_sector to end_read_sector ("head") + * 2. Read from start_read_sector to end_write_sector ("tail") + * 3. Copy data to buffer + * 4. Write from start_write_sector to end_write_sector + * All of this is complicated by using only one 256 KiB bounce buffer. + */ + + head = end_read_sector - start_write_sector; + tail = end_write_sector - start_read_sector; + + remaining = count; + do { + mutex_lock(&priv->mutex); + + if (end_read_sector >= start_read_sector) { + /* Merge head and tail */ + dev_dbg(&dev->sbd.core, + "Merged head and tail: %lu sectors at %lu\n", + chunk_sectors, start_write_sector); + res = ps3flash_read_sectors(dev, start_write_sector, + chunk_sectors, 0); + if (res < 0) + goto fail; + } else { + if (head) { + /* Read head */ + dev_dbg(&dev->sbd.core, + "head: %lu sectors at %lu\n", head, + start_write_sector); + res = ps3flash_read_sectors(dev, + start_write_sector, + head, 0); + if (res < 0) + goto fail; + } + if (start_read_sector < + start_write_sector+chunk_sectors) { + /* Read tail */ + dev_dbg(&dev->sbd.core, + "tail: %lu sectors at %lu\n", tail, + start_read_sector); + sec_off = start_read_sector-start_write_sector; + res = ps3flash_read_sectors(dev, + start_read_sector, + tail, sec_off); + if (res < 0) + goto fail; + } + } + + n = min(remaining, dev->bounce_size-offset); + dev_dbg(&dev->sbd.core, + "%s:%u: copy %lu bytes from user 0x%p to 0x%p\n", + __func__, __LINE__, n, buf, dev->bounce_buf+offset); + if (copy_from_user(dev->bounce_buf+offset, buf, n)) { + res = -EFAULT; + goto fail; + } + + res = ps3flash_write_chunk(dev, start_write_sector); + if (res < 0) + goto fail; + + mutex_unlock(&priv->mutex); + + *pos += n; + buf += n; + remaining -= n; + start_write_sector += chunk_sectors; + head = 0; + offset = 0; + } while (remaining > 0); + + return count; + +fail: + mutex_unlock(&priv->mutex); + return res; +} + + +static irqreturn_t ps3flash_interrupt(int irq, void *data) +{ + struct ps3_storage_device *dev = data; + int res; + u64 tag, status; + + res = lv1_storage_get_async_status(dev->sbd.dev_id, &tag, &status); + + if (tag != dev->tag) + dev_err(&dev->sbd.core, + "%s:%u: tag mismatch, got %lx, expected %lx\n", + __func__, __LINE__, tag, dev->tag); + + if (res) { + dev_err(&dev->sbd.core, "%s:%u: res=%d status=0x%lx\n", + __func__, __LINE__, res, status); + } else { + dev->lv1_status = status; + complete(&dev->done); + } + return IRQ_HANDLED; +} + + +static const struct file_operations ps3flash_fops = { + .owner = THIS_MODULE, + .llseek = ps3flash_llseek, + .read = ps3flash_read, + .write = ps3flash_write, +}; + +static struct miscdevice ps3flash_misc = { + .minor = MISC_DYNAMIC_MINOR, + .name = DEVICE_NAME, + .fops = &ps3flash_fops, +}; + +static int __devinit ps3flash_probe(struct ps3_system_bus_device *_dev) +{ + struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); + struct ps3flash_private *priv; + int error; + unsigned long tmp; + + tmp = dev->regions[dev->region_idx].start*dev->blk_size; + if (tmp % FLASH_BLOCK_SIZE) { + dev_err(&dev->sbd.core, + "%s:%u region start %lu is not aligned\n", __func__, + __LINE__, tmp); + return -EINVAL; + } + tmp = dev->regions[dev->region_idx].size*dev->blk_size; + if (tmp % FLASH_BLOCK_SIZE) { + dev_err(&dev->sbd.core, + "%s:%u region size %lu is not aligned\n", __func__, + __LINE__, tmp); + return -EINVAL; + } + + /* use static buffer, kmalloc cannot allocate 256 KiB */ + if (!ps3flash_bounce_buffer.address) + return -ENODEV; + + if (ps3flash_dev) { + dev_err(&dev->sbd.core, + "Only one FLASH device is supported\n"); + return -EBUSY; + } + + ps3flash_dev = dev; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) { + error = -ENOMEM; + goto fail; + } + + dev->sbd.core.driver_data = priv; + mutex_init(&priv->mutex); + + dev->bounce_size = ps3flash_bounce_buffer.size; + dev->bounce_buf = ps3flash_bounce_buffer.address; + + error = ps3stor_setup(dev, ps3flash_interrupt); + if (error) + goto fail_free_priv; + + ps3flash_misc.parent = &dev->sbd.core; + error = misc_register(&ps3flash_misc); + if (error) { + dev_err(&dev->sbd.core, "%s:%u: misc_register failed %d\n", + __func__, __LINE__, error); + goto fail_teardown; + } + + dev_info(&dev->sbd.core, "%s:%u: registered misc device %d\n", + __func__, __LINE__, ps3flash_misc.minor); + return 0; + +fail_teardown: + ps3stor_teardown(dev); +fail_free_priv: + kfree(priv); + dev->sbd.core.driver_data = NULL; +fail: + ps3flash_dev = NULL; + return error; +} + +static int ps3flash_remove(struct ps3_system_bus_device *_dev) +{ + struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); + + misc_deregister(&ps3flash_misc); + ps3stor_teardown(dev); + kfree(dev->sbd.core.driver_data); + dev->sbd.core.driver_data = NULL; + ps3flash_dev = NULL; + return 0; +} + + +static struct ps3_system_bus_driver ps3flash = { + .match_id = PS3_MATCH_ID_STOR_FLASH, + .core.name = DEVICE_NAME, + .core.owner = THIS_MODULE, + .probe = ps3flash_probe, + .remove = ps3flash_remove, + .shutdown = ps3flash_remove, +}; + + +static int __init ps3flash_init(void) +{ + return ps3_system_bus_driver_register(&ps3flash); +} + +static void __exit ps3flash_exit(void) +{ + ps3_system_bus_driver_unregister(&ps3flash); +} + +module_init(ps3flash_init); +module_exit(ps3flash_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("PS3 FLASH ROM Storage Driver"); +MODULE_AUTHOR("Sony Corporation"); +MODULE_ALIAS(PS3_MODULE_ALIAS_STOR_FLASH); diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index 30c3f54c766..ec6b65ec69e 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -82,7 +82,7 @@ #include <asm/uaccess.h> #include <asm/system.h> -#if defined(__i386__) +#ifdef CONFIG_X86 #include <asm/hpet.h> #endif diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c index e783dbf0f16..7b46faf2231 100644 --- a/drivers/clocksource/acpi_pm.c +++ b/drivers/clocksource/acpi_pm.c @@ -71,7 +71,7 @@ static struct clocksource clocksource_acpi_pm = { .rating = 200, .read = acpi_pm_read, .mask = (cycle_t)ACPI_PM_MASK, - .mult = 0, /*to be caluclated*/ + .mult = 0, /*to be calculated*/ .shift = 22, .flags = CLOCK_SOURCE_IS_CONTINUOUS, diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c index 31989dcd922..906bf5e8de8 100644 --- a/drivers/input/misc/pcspkr.c +++ b/drivers/input/misc/pcspkr.c @@ -24,7 +24,12 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); MODULE_DESCRIPTION("PC Speaker beeper driver"); MODULE_LICENSE("GPL"); -static DEFINE_SPINLOCK(i8253_beep_lock); +#ifdef CONFIG_X86 +/* Use the global PIT lock ! */ +#include <asm/i8253.h> +#else +static DEFINE_SPINLOCK(i8253_lock); +#endif static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { @@ -43,7 +48,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c if (value > 20 && value < 32767) count = PIT_TICK_RATE / value; - spin_lock_irqsave(&i8253_beep_lock, flags); + spin_lock_irqsave(&i8253_lock, flags); if (count) { /* enable counter 2 */ @@ -58,7 +63,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c outb(inb_p(0x61) & 0xFC, 0x61); } - spin_unlock_irqrestore(&i8253_beep_lock, flags); + spin_unlock_irqrestore(&i8253_lock, flags); return 0; } diff --git a/drivers/isdn/Kconfig b/drivers/isdn/Kconfig index cf906c8cee4..66f946aa30b 100644 --- a/drivers/isdn/Kconfig +++ b/drivers/isdn/Kconfig @@ -21,9 +21,7 @@ menuconfig ISDN if ISDN -menu "Old ISDN4Linux" - -config ISDN_I4L +menuconfig ISDN_I4L tristate "Old ISDN4Linux (deprecated)" ---help--- This driver allows you to use an ISDN adapter for networking @@ -45,12 +43,8 @@ if ISDN_I4L source "drivers/isdn/i4l/Kconfig" endif -endmenu - -comment "CAPI subsystem" - -config ISDN_CAPI - tristate "CAPI2.0 support" +menuconfig ISDN_CAPI + tristate "CAPI 2.0 subsystem" help This provides the CAPI (Common ISDN Application Programming Interface, a standard making it easy for programs to access ISDN diff --git a/drivers/isdn/act2000/Kconfig b/drivers/isdn/act2000/Kconfig index 78e6ad8d57c..3fc1a5434ef 100644 --- a/drivers/isdn/act2000/Kconfig +++ b/drivers/isdn/act2000/Kconfig @@ -3,7 +3,7 @@ # config ISDN_DRV_ACT2000 tristate "IBM Active 2000 support" - depends on ISDN_I4L && ISA + depends on ISA help Say Y here if you have an IBM Active 2000 ISDN card. In order to use this card, additional firmware is necessary, which has to be loaded diff --git a/drivers/isdn/gigaset/Kconfig b/drivers/isdn/gigaset/Kconfig index bcbb6502a77..0017e50c694 100644 --- a/drivers/isdn/gigaset/Kconfig +++ b/drivers/isdn/gigaset/Kconfig @@ -1,9 +1,5 @@ -menu "Siemens Gigaset" - depends on ISDN_I4L - -config ISDN_DRV_GIGASET +menuconfig ISDN_DRV_GIGASET tristate "Siemens Gigaset support (isdn)" - depends on ISDN_I4L select CRC_CCITT select BITREVERSE help @@ -55,6 +51,4 @@ config GIGASET_UNDOCREQ features like configuration mode of M105, say yes. If you care about your device, say no. -endif - -endmenu +endif # ISDN_DRV_GIGASET != n diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig index 12d91fb9f8c..a3b945ac325 100644 --- a/drivers/isdn/hisax/Kconfig +++ b/drivers/isdn/hisax/Kconfig @@ -1,6 +1,5 @@ menu "Passive cards" - depends on ISDN_I4L config ISDN_DRV_HISAX tristate "HiSax SiemensChipSet driver support" diff --git a/drivers/isdn/i4l/Kconfig b/drivers/isdn/i4l/Kconfig index e91c187992d..36778b270c3 100644 --- a/drivers/isdn/i4l/Kconfig +++ b/drivers/isdn/i4l/Kconfig @@ -99,7 +99,6 @@ config ISDN_DRV_LOOP config ISDN_DIVERSION tristate "Support isdn diversion services" - depends on ISDN_I4L help This option allows you to use some supplementary diversion services in conjunction with the HiSax driver on an EURO/DSS1 @@ -119,13 +118,11 @@ config ISDN_DIVERSION endmenu comment "ISDN4Linux hardware drivers" - depends on ISDN_I4L source "drivers/isdn/hisax/Kconfig" menu "Active cards" - depends on ISDN_I4L!=n source "drivers/isdn/icn/Kconfig" diff --git a/drivers/isdn/icn/Kconfig b/drivers/isdn/icn/Kconfig index fcb99f5f0b2..89d15eed765 100644 --- a/drivers/isdn/icn/Kconfig +++ b/drivers/isdn/icn/Kconfig @@ -3,7 +3,7 @@ # config ISDN_DRV_ICN tristate "ICN 2B and 4B support" - depends on ISDN_I4L && ISA + depends on ISA help This enables support for two kinds of ISDN-cards made by a German company called ICN. 2B is the standard version for a single ISDN diff --git a/drivers/isdn/pcbit/Kconfig b/drivers/isdn/pcbit/Kconfig index 0933881ab0c..ffba6eca124 100644 --- a/drivers/isdn/pcbit/Kconfig +++ b/drivers/isdn/pcbit/Kconfig @@ -3,7 +3,7 @@ # config ISDN_DRV_PCBIT tristate "PCBIT-D support" - depends on ISDN_I4L && ISA && (BROKEN || X86) + depends on ISA && (BROKEN || X86) help This enables support for the PCBIT ISDN-card. This card is manufactured in Portugal by Octal. For running this card, diff --git a/drivers/isdn/sc/Kconfig b/drivers/isdn/sc/Kconfig index 5346e33d816..e6510ca7bf4 100644 --- a/drivers/isdn/sc/Kconfig +++ b/drivers/isdn/sc/Kconfig @@ -3,7 +3,7 @@ # config ISDN_DRV_SC tristate "Spellcaster support" - depends on ISDN_I4L && ISA + depends on ISA help This enables support for the Spellcaster BRI ISDN boards. This driver currently builds only in a modularized version. diff --git a/drivers/kvm/Kconfig b/drivers/kvm/Kconfig index 2f661e5f0da..6cecc396e04 100644 --- a/drivers/kvm/Kconfig +++ b/drivers/kvm/Kconfig @@ -11,6 +11,7 @@ if VIRTUALIZATION config KVM tristate "Kernel-based Virtual Machine (KVM) support" depends on X86 && EXPERIMENTAL + select ANON_INODES ---help--- Support hosting fully virtualized guest machines using hardware virtualization extensions. You will need a fairly recent diff --git a/drivers/lguest/lguest.c b/drivers/lguest/lguest.c index 434fea1e82f..18dade06d4a 100644 --- a/drivers/lguest/lguest.c +++ b/drivers/lguest/lguest.c @@ -398,6 +398,8 @@ static void lguest_clockevent_set_mode(enum clock_event_mode mode, break; case CLOCK_EVT_MODE_PERIODIC: BUG(); + case CLOCK_EVT_MODE_RESUME: + break; } } diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index ba952a03259..bdc52d6922b 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -920,6 +920,8 @@ static void crypt_dtr(struct dm_target *ti) { struct crypt_config *cc = (struct crypt_config *) ti->private; + flush_workqueue(_kcryptd_workqueue); + bioset_free(cc->bs); mempool_destroy(cc->page_pool); mempool_destroy(cc->io_pool); diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 1d516f24ba5..aaaa61ea421 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -150,6 +150,7 @@ config THINKPAD_ACPI depends on X86 && ACPI select BACKLIGHT_CLASS_DEVICE select HWMON + select NVRAM ---help--- This is a driver for the IBM and Lenovo ThinkPad laptops. It adds support for Fn-Fx key combinations, Bluetooth control, video @@ -196,4 +197,17 @@ config THINKPAD_ACPI_BAY If you are not sure, say Y here. +config THINKPAD_ACPI_INPUT_ENABLED + bool "Enable input layer support by default" + depends on THINKPAD_ACPI + default y + ---help--- + Enables hot key handling over the input layer by default. If unset, + the driver does not enable any hot key handling by default, and also + starts up with a mostly empty keymap. + + If you are not sure, say Y here. Say N to retain the deprecated + behavior of ibm-acpi, and thinkpad-acpi for kernels up to 2.6.21. + + endif # MISC_DEVICES diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c index 9623eaf4f89..303e48ca0e8 100644 --- a/drivers/misc/sony-laptop.c +++ b/drivers/misc/sony-laptop.c @@ -142,43 +142,124 @@ struct sony_laptop_keypress { int key; }; -/* Correspondance table between sonypi events and input layer events */ -static struct { - int sonypiev; - int inputev; -} sony_laptop_inputkeys[] = { - { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA }, - { SONYPI_EVENT_FNKEY_ONLY, KEY_FN }, - { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC }, - { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 }, - { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 }, - { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 }, - { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 }, - { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 }, - { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 }, - { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 }, - { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 }, - { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 }, - { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 }, - { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 }, - { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 }, - { SONYPI_EVENT_FNKEY_1, KEY_FN_1 }, - { SONYPI_EVENT_FNKEY_2, KEY_FN_2 }, - { SONYPI_EVENT_FNKEY_D, KEY_FN_D }, - { SONYPI_EVENT_FNKEY_E, KEY_FN_E }, - { SONYPI_EVENT_FNKEY_F, KEY_FN_F }, - { SONYPI_EVENT_FNKEY_S, KEY_FN_S }, - { SONYPI_EVENT_FNKEY_B, KEY_FN_B }, - { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE }, - { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE }, - { SONYPI_EVENT_PKEY_P1, KEY_PROG1 }, - { SONYPI_EVENT_PKEY_P2, KEY_PROG2 }, - { SONYPI_EVENT_PKEY_P3, KEY_PROG3 }, - { SONYPI_EVENT_BACK_PRESSED, KEY_BACK }, - { SONYPI_EVENT_HELP_PRESSED, KEY_HELP }, - { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM }, - { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB }, - { 0, 0 }, +/* Correspondance table between sonypi events + * and input layer indexes in the keymap + */ +static int sony_laptop_input_index[] = { + -1, /* no event */ + -1, /* SONYPI_EVENT_JOGDIAL_DOWN */ + -1, /* SONYPI_EVENT_JOGDIAL_UP */ + -1, /* SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ + -1, /* SONYPI_EVENT_JOGDIAL_UP_PRESSED */ + -1, /* SONYPI_EVENT_JOGDIAL_PRESSED */ + -1, /* SONYPI_EVENT_JOGDIAL_RELEASED */ + 0, /* SONYPI_EVENT_CAPTURE_PRESSED */ + 1, /* SONYPI_EVENT_CAPTURE_RELEASED */ + 2, /* SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ + 3, /* SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ + 4, /* SONYPI_EVENT_FNKEY_ESC */ + 5, /* SONYPI_EVENT_FNKEY_F1 */ + 6, /* SONYPI_EVENT_FNKEY_F2 */ + 7, /* SONYPI_EVENT_FNKEY_F3 */ + 8, /* SONYPI_EVENT_FNKEY_F4 */ + 9, /* SONYPI_EVENT_FNKEY_F5 */ + 10, /* SONYPI_EVENT_FNKEY_F6 */ + 11, /* SONYPI_EVENT_FNKEY_F7 */ + 12, /* SONYPI_EVENT_FNKEY_F8 */ + 13, /* SONYPI_EVENT_FNKEY_F9 */ + 14, /* SONYPI_EVENT_FNKEY_F10 */ + 15, /* SONYPI_EVENT_FNKEY_F11 */ + 16, /* SONYPI_EVENT_FNKEY_F12 */ + 17, /* SONYPI_EVENT_FNKEY_1 */ + 18, /* SONYPI_EVENT_FNKEY_2 */ + 19, /* SONYPI_EVENT_FNKEY_D */ + 20, /* SONYPI_EVENT_FNKEY_E */ + 21, /* SONYPI_EVENT_FNKEY_F */ + 22, /* SONYPI_EVENT_FNKEY_S */ + 23, /* SONYPI_EVENT_FNKEY_B */ + 24, /* SONYPI_EVENT_BLUETOOTH_PRESSED */ + 25, /* SONYPI_EVENT_PKEY_P1 */ + 26, /* SONYPI_EVENT_PKEY_P2 */ + 27, /* SONYPI_EVENT_PKEY_P3 */ + 28, /* SONYPI_EVENT_BACK_PRESSED */ + -1, /* SONYPI_EVENT_LID_CLOSED */ + -1, /* SONYPI_EVENT_LID_OPENED */ + 29, /* SONYPI_EVENT_BLUETOOTH_ON */ + 30, /* SONYPI_EVENT_BLUETOOTH_OFF */ + 31, /* SONYPI_EVENT_HELP_PRESSED */ + 32, /* SONYPI_EVENT_FNKEY_ONLY */ + 33, /* SONYPI_EVENT_JOGDIAL_FAST_DOWN */ + 34, /* SONYPI_EVENT_JOGDIAL_FAST_UP */ + 35, /* SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ + 36, /* SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ + 37, /* SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ + 38, /* SONYPI_EVENT_JOGDIAL_VFAST_UP */ + 39, /* SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ + 40, /* SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ + 41, /* SONYPI_EVENT_ZOOM_PRESSED */ + 42, /* SONYPI_EVENT_THUMBPHRASE_PRESSED */ + 43, /* SONYPI_EVENT_MEYE_FACE */ + 44, /* SONYPI_EVENT_MEYE_OPPOSITE */ + 45, /* SONYPI_EVENT_MEMORYSTICK_INSERT */ + 46, /* SONYPI_EVENT_MEMORYSTICK_EJECT */ + -1, /* SONYPI_EVENT_ANYBUTTON_RELEASED */ + -1, /* SONYPI_EVENT_BATTERY_INSERT */ + -1, /* SONYPI_EVENT_BATTERY_REMOVE */ + -1, /* SONYPI_EVENT_FNKEY_RELEASED */ + 47, /* SONYPI_EVENT_WIRELESS_ON */ + 48, /* SONYPI_EVENT_WIRELESS_OFF */ +}; + +static int sony_laptop_input_keycode_map[] = { + KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ + KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ + KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ + KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ + KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ + KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ + KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ + KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ + KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ + KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ + KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ + KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ + KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ + KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ + KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ + KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ + KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ + KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */ + KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */ + KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ + KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ + KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ + KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ + KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ + KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ + KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ + KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ + KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ + KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ + KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ + KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ + KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ + KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ + KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ + KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ + KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ + KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ + KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ + KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ + KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ + KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ + KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ + BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ + KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ + KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ + KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ + KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ + KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ + KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ }; /* release buttons after a short delay if pressed */ @@ -202,7 +283,6 @@ static void sony_laptop_report_input_event(u8 event) struct input_dev *jog_dev = sony_laptop_input.jog_dev; struct input_dev *key_dev = sony_laptop_input.key_dev; struct sony_laptop_keypress kp = { NULL }; - int i; if (event == SONYPI_EVENT_FNKEY_RELEASED) { /* Nothing, not all VAIOs generate this event */ @@ -231,17 +311,22 @@ static void sony_laptop_report_input_event(u8 event) break; default: - for (i = 0; sony_laptop_inputkeys[i].sonypiev; i++) - if (event == sony_laptop_inputkeys[i].sonypiev) { + if (event > ARRAY_SIZE (sony_laptop_input_keycode_map)) { + dprintk("sony_laptop_report_input_event, event not known: %d\n", event); + break; + } + if (sony_laptop_input_index[event] != -1) { + kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]]; + if (kp.key != KEY_UNKNOWN) kp.dev = key_dev; - kp.key = sony_laptop_inputkeys[i].inputev; - break; - } + } break; } if (kp.dev) { input_report_key(kp.dev, kp.key, 1); + /* we emit the scancode so we can always remap the key */ + input_event(kp.dev, EV_MSC, MSC_SCAN, event); input_sync(kp.dev); kfifo_put(sony_laptop_input.fifo, (unsigned char *)&kp, sizeof(kp)); @@ -296,11 +381,18 @@ static int sony_laptop_setup_input(void) key_dev->id.vendor = PCI_VENDOR_ID_SONY; /* Initialize the Input Drivers: special keys */ - key_dev->evbit[0] = BIT(EV_KEY); - for (i = 0; sony_laptop_inputkeys[i].sonypiev; i++) - if (sony_laptop_inputkeys[i].inputev) - set_bit(sony_laptop_inputkeys[i].inputev, - key_dev->keybit); + set_bit(EV_KEY, key_dev->evbit); + set_bit(EV_MSC, key_dev->evbit); + set_bit(MSC_SCAN, key_dev->mscbit); + key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); + key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); + key_dev->keycode = &sony_laptop_input_keycode_map; + for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) { + if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) { + set_bit(sony_laptop_input_keycode_map[i], + key_dev->keybit); + } + } error = input_register_device(key_dev); if (error) @@ -487,6 +579,14 @@ SNC_HANDLE_NAMES(audiopower_set, "AZPW"); SNC_HANDLE_NAMES(lanpower_get, "GLNP"); SNC_HANDLE_NAMES(lanpower_set, "LNPW"); +SNC_HANDLE_NAMES(lidstate_get, "GLID"); + +SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); +SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); + +SNC_HANDLE_NAMES(gainbass_get, "GMGB"); +SNC_HANDLE_NAMES(gainbass_set, "CMGB"); + SNC_HANDLE_NAMES(PID_get, "GPID"); SNC_HANDLE_NAMES(CTR_get, "GCTR"); @@ -507,6 +607,12 @@ static struct sony_nc_value sony_nc_values[] = { boolean_validate, 0), SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, boolean_validate, 1), + SNC_HANDLE(lidstate, snc_lidstate_get, NULL, + boolean_validate, 0), + SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, + boolean_validate, 0), + SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, + boolean_validate, 0), /* unknown methods */ SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), @@ -689,13 +795,116 @@ static struct backlight_ops sony_backlight_ops = { }; /* + * New SNC-only Vaios event mapping to driver known keys + */ +struct sony_nc_event { + u8 data; + u8 event; +}; + +static struct sony_nc_event *sony_nc_events; + +/* Vaio C* --maybe also FE*, N* and AR* ?-- special init sequence + * for Fn keys + */ +static int sony_nc_C_enable(struct dmi_system_id *id) +{ + int result = 0; + + printk(KERN_NOTICE DRV_PFX "detected %s\n", id->ident); + + sony_nc_events = id->driver_data; + + if (acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x4, &result) < 0 + || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x2, &result) < 0 + || acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x10, &result) < 0 + || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x0, &result) < 0 + || acpi_callsetfunc(sony_nc_acpi_handle, "SN03", 0x2, &result) < 0 + || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x101, &result) < 0) { + printk(KERN_WARNING DRV_PFX "failed to initialize SNC, some " + "functionalities may be missing\n"); + return 1; + } + return 0; +} + +static struct sony_nc_event sony_C_events[] = { + { 0x81, SONYPI_EVENT_FNKEY_F1 }, + { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, + { 0x85, SONYPI_EVENT_FNKEY_F5 }, + { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, + { 0x86, SONYPI_EVENT_FNKEY_F6 }, + { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, + { 0x87, SONYPI_EVENT_FNKEY_F7 }, + { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, + { 0x8A, SONYPI_EVENT_FNKEY_F10 }, + { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, + { 0x8C, SONYPI_EVENT_FNKEY_F12 }, + { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, + { 0, 0 }, +}; + +/* SNC-only model map */ +struct dmi_system_id sony_nc_ids[] = { + { + .ident = "Sony Vaio FE Series", + .callback = sony_nc_C_enable, + .driver_data = sony_C_events, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FE"), + }, + }, + { + .ident = "Sony Vaio C Series", + .callback = sony_nc_C_enable, + .driver_data = sony_C_events, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-C"), + }, + }, + { } +}; + +/* * ACPI callbacks */ static void sony_acpi_notify(acpi_handle handle, u32 event, void *data) { - dprintk("sony_acpi_notify, event: %d\n", event); - sony_laptop_report_input_event(event); - acpi_bus_generate_event(sony_nc_acpi_device, 1, event); + struct sony_nc_event *evmap; + u32 ev = event; + int result; + + if (ev == 0x92) { + /* read the key pressed from EC.GECR + * A call to SN07 with 0x0202 will do it as well respecting + * the current protocol on different OSes + * + * Note: the path for GECR may be + * \_SB.PCI0.LPCB.EC (C, FE, AR, N and friends) + * \_SB.PCI0.PIB.EC0 (VGN-FR notifications are sent directly, no GECR) + * + * TODO: we may want to do the same for the older GHKE -need + * dmi list- so this snippet may become one more callback. + */ + if (acpi_callsetfunc(handle, "SN07", 0x0202, &result) < 0) + dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev); + else + ev = result & 0xFF; + } + + if (sony_nc_events) + for (evmap = sony_nc_events; evmap->event; evmap++) { + if (evmap->data == ev) { + ev = evmap->event; + break; + } + } + + dprintk("sony_acpi_notify, event: 0x%.2x\n", ev); + sony_laptop_report_input_event(ev); + acpi_bus_generate_event(sony_nc_acpi_device, 1, ev); } static acpi_status sony_walk_callback(acpi_handle handle, u32 level, @@ -732,6 +941,10 @@ static int sony_nc_resume(struct acpi_device *device) break; } } + + /* re-initialize models with specific requirements */ + dmi_check_system(sony_nc_ids); + return 0; } @@ -750,6 +963,15 @@ static int sony_nc_add(struct acpi_device *device) sony_nc_acpi_handle = device->handle; + /* read device status */ + result = acpi_bus_get_status(device); + /* bail IFF the above call was successful and the device is not present */ + if (!result && !device->status.present) { + dprintk("Device not present\n"); + result = -ENODEV; + goto outwalk; + } + if (debug) { status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, 1, sony_walk_callback, NULL, NULL); @@ -760,6 +982,15 @@ static int sony_nc_add(struct acpi_device *device) } } + /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1 + * should be respected as we already checked for the device presence above */ + if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) { + dprintk("Invoking _INI\n"); + if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI, + NULL, NULL))) + dprintk("_INI Method failed\n"); + } + /* setup input devices and helper fifo */ result = sony_laptop_setup_input(); if (result) { @@ -772,7 +1003,7 @@ static int sony_nc_add(struct acpi_device *device) ACPI_DEVICE_NOTIFY, sony_acpi_notify, NULL); if (ACPI_FAILURE(status)) { - printk(KERN_WARNING DRV_PFX "unable to install notify handler\n"); + printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status); result = -ENODEV; goto outinput; } @@ -795,6 +1026,9 @@ static int sony_nc_add(struct acpi_device *device) } + /* initialize models with specific requirements */ + dmi_check_system(sony_nc_ids); + result = sony_pf_add(); if (result) goto outbacklight; @@ -908,7 +1142,9 @@ static struct acpi_driver sony_nc_driver = { #define SONYPI_DEVICE_TYPE2 0x00000002 #define SONYPI_DEVICE_TYPE3 0x00000004 -#define SONY_PIC_EV_MASK 0xff +#define SONYPI_TYPE1_OFFSET 0x04 +#define SONYPI_TYPE2_OFFSET 0x12 +#define SONYPI_TYPE3_OFFSET 0x12 struct sony_pic_ioport { struct acpi_resource_io io; @@ -922,6 +1158,7 @@ struct sony_pic_irq { struct sony_pic_dev { int model; + u16 evport_offset; u8 camera_power; u8 bluetooth_power; u8 wwan_power; @@ -1999,20 +2236,17 @@ end: static irqreturn_t sony_pic_irq(int irq, void *dev_id) { int i, j; - u32 port_val = 0; u8 ev = 0; u8 data_mask = 0; u8 device_event = 0; struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; - acpi_os_read_port(dev->cur_ioport->io.minimum, &port_val, - dev->cur_ioport->io.address_length); - ev = port_val & SONY_PIC_EV_MASK; - data_mask = 0xff & (port_val >> (dev->cur_ioport->io.address_length - 8)); + ev = inb_p(dev->cur_ioport->io.minimum); + data_mask = inb_p(dev->cur_ioport->io.minimum + dev->evport_offset); - dprintk("event (0x%.8x [%.2x] [%.2x]) at port 0x%.4x\n", - port_val, ev, data_mask, dev->cur_ioport->io.minimum); + dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", + ev, data_mask, dev->cur_ioport->io.minimum, dev->evport_offset); if (ev == 0x00 || ev == 0xff) return IRQ_HANDLED; @@ -2103,6 +2337,20 @@ static int sony_pic_add(struct acpi_device *device) spic_dev.model = sony_pic_detect_device_type(); mutex_init(&spic_dev.lock); + /* model specific characteristics */ + switch(spic_dev.model) { + case SONYPI_DEVICE_TYPE1: + spic_dev.evport_offset = SONYPI_TYPE1_OFFSET; + break; + case SONYPI_DEVICE_TYPE3: + spic_dev.evport_offset = SONYPI_TYPE3_OFFSET; + break; + case SONYPI_DEVICE_TYPE2: + default: + spic_dev.evport_offset = SONYPI_TYPE2_OFFSET; + break; + } + /* read _PRS resources */ result = sony_pic_possible_resources(device); if (result) { diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 95c0b96e83f..f15a58f7403 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -21,8 +21,8 @@ * 02110-1301, USA. */ -#define IBM_VERSION "0.14" -#define TPACPI_SYSFS_VERSION 0x000100 +#define IBM_VERSION "0.15" +#define TPACPI_SYSFS_VERSION 0x010000 /* * Changelog: @@ -92,6 +92,29 @@ MODULE_LICENSE("GPL"); /* Please remove this in year 2009 */ MODULE_ALIAS("ibm_acpi"); +/* + * DMI matching for module autoloading + * + * See http://thinkwiki.org/wiki/List_of_DMI_IDs + * See http://thinkwiki.org/wiki/BIOS_Upgrade_Downloads + * + * Only models listed in thinkwiki will be supported, so add yours + * if it is not there yet. + */ +#define IBM_BIOS_MODULE_ALIAS(__type) \ + MODULE_ALIAS("dmi:bvnIBM:bvr" __type "ET??WW") + +/* Non-ancient thinkpads */ +MODULE_ALIAS("dmi:bvnIBM:*:svnIBM:*:pvrThinkPad*:rvnIBM:*"); +MODULE_ALIAS("dmi:bvnLENOVO:*:svnLENOVO:*:pvrThinkPad*:rvnLENOVO:*"); + +/* Ancient thinkpad BIOSes have to be identified by + * BIOS type or model number, and there are far less + * BIOS types than model numbers... */ +IBM_BIOS_MODULE_ALIAS("I[B,D,H,I,M,N,O,T,W,V,Y,Z]"); +IBM_BIOS_MODULE_ALIAS("1[0,3,6,8,A-G,I,K,M-P,S,T]"); +IBM_BIOS_MODULE_ALIAS("K[U,X-Z]"); + #define __unused __attribute__ ((unused)) /**************************************************************************** @@ -106,7 +129,7 @@ MODULE_ALIAS("ibm_acpi"); * ACPI basic handles */ -static acpi_handle root_handle = NULL; +static acpi_handle root_handle; #define IBM_HANDLE(object, parent, paths...) \ static acpi_handle object##_handle; \ @@ -487,19 +510,36 @@ static char *next_cmd(char **cmds) /**************************************************************************** **************************************************************************** * - * Device model: hwmon and platform + * Device model: input, hwmon and platform * **************************************************************************** ****************************************************************************/ -static struct platform_device *tpacpi_pdev = NULL; -static struct class_device *tpacpi_hwmon = NULL; +static struct platform_device *tpacpi_pdev; +static struct class_device *tpacpi_hwmon; +static struct input_dev *tpacpi_inputdev; + + +static int tpacpi_resume_handler(struct platform_device *pdev) +{ + struct ibm_struct *ibm, *itmp; + + list_for_each_entry_safe(ibm, itmp, + &tpacpi_all_drivers, + all_drivers) { + if (ibm->resume) + (ibm->resume)(); + } + + return 0; +} static struct platform_driver tpacpi_pdriver = { .driver = { .name = IBM_DRVR_NAME, .owner = THIS_MODULE, }, + .resume = tpacpi_resume_handler, }; @@ -677,9 +717,19 @@ static int __init thinkpad_acpi_driver_init(struct ibm_init_struct *iibm) printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); printk(IBM_INFO "%s\n", IBM_URL); - if (ibm_thinkpad_ec_found) - printk(IBM_INFO "ThinkPad EC firmware %s\n", - ibm_thinkpad_ec_found); + printk(IBM_INFO "ThinkPad BIOS %s, EC %s\n", + (thinkpad_id.bios_version_str) ? + thinkpad_id.bios_version_str : "unknown", + (thinkpad_id.ec_version_str) ? + thinkpad_id.ec_version_str : "unknown"); + + if (thinkpad_id.vendor && thinkpad_id.model_str) + printk(IBM_INFO "%s %s\n", + (thinkpad_id.vendor == PCI_VENDOR_ID_IBM) ? + "IBM" : ((thinkpad_id.vendor == + PCI_VENDOR_ID_LENOVO) ? + "Lenovo" : "Unknown vendor"), + thinkpad_id.model_str); return 0; } @@ -704,16 +754,28 @@ static struct ibm_struct thinkpad_acpi_driver_data = { */ static int hotkey_orig_status; -static int hotkey_orig_mask; +static u32 hotkey_orig_mask; +static u32 hotkey_all_mask; +static u32 hotkey_reserved_mask; + +static u16 *hotkey_keycode_map; -static struct attribute_set *hotkey_dev_attributes = NULL; +static struct attribute_set *hotkey_dev_attributes; + +static int hotkey_get_wlsw(int *status) +{ + if (!acpi_evalf(hkey_handle, status, "WLSW", "d")) + return -EIO; + return 0; +} /* sysfs hotkey enable ------------------------------------------------- */ static ssize_t hotkey_enable_show(struct device *dev, struct device_attribute *attr, char *buf) { - int res, status, mask; + int res, status; + u32 mask; res = hotkey_get(&status, &mask); if (res) @@ -727,7 +789,8 @@ static ssize_t hotkey_enable_store(struct device *dev, const char *buf, size_t count) { unsigned long t; - int res, status, mask; + int res, status; + u32 mask; if (parse_strtoul(buf, 1, &t)) return -EINVAL; @@ -748,13 +811,14 @@ static ssize_t hotkey_mask_show(struct device *dev, struct device_attribute *attr, char *buf) { - int res, status, mask; + int res, status; + u32 mask; res = hotkey_get(&status, &mask); if (res) return res; - return snprintf(buf, PAGE_SIZE, "0x%04x\n", mask); + return snprintf(buf, PAGE_SIZE, "0x%08x\n", mask); } static ssize_t hotkey_mask_store(struct device *dev, @@ -762,9 +826,10 @@ static ssize_t hotkey_mask_store(struct device *dev, const char *buf, size_t count) { unsigned long t; - int res, status, mask; + int res, status; + u32 mask; - if (parse_strtoul(buf, 0xffff, &t)) + if (parse_strtoul(buf, 0xffffffffUL, &t)) return -EINVAL; res = hotkey_get(&status, &mask); @@ -794,26 +859,123 @@ static ssize_t hotkey_bios_mask_show(struct device *dev, struct device_attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "0x%04x\n", hotkey_orig_mask); + return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_orig_mask); } static struct device_attribute dev_attr_hotkey_bios_mask = __ATTR(hotkey_bios_mask, S_IRUGO, hotkey_bios_mask_show, NULL); +/* sysfs hotkey all_mask ----------------------------------------------- */ +static ssize_t hotkey_all_mask_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_all_mask); +} + +static struct device_attribute dev_attr_hotkey_all_mask = + __ATTR(hotkey_all_mask, S_IRUGO, hotkey_all_mask_show, NULL); + +/* sysfs hotkey recommended_mask --------------------------------------- */ +static ssize_t hotkey_recommended_mask_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return snprintf(buf, PAGE_SIZE, "0x%08x\n", + hotkey_all_mask & ~hotkey_reserved_mask); +} + +static struct device_attribute dev_attr_hotkey_recommended_mask = + __ATTR(hotkey_recommended_mask, S_IRUGO, + hotkey_recommended_mask_show, NULL); + +/* sysfs hotkey radio_sw ----------------------------------------------- */ +static ssize_t hotkey_radio_sw_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int res, s; + res = hotkey_get_wlsw(&s); + if (res < 0) + return res; + + return snprintf(buf, PAGE_SIZE, "%d\n", !!s); +} + +static struct device_attribute dev_attr_hotkey_radio_sw = + __ATTR(hotkey_radio_sw, S_IRUGO, hotkey_radio_sw_show, NULL); + /* --------------------------------------------------------------------- */ static struct attribute *hotkey_mask_attributes[] = { &dev_attr_hotkey_mask.attr, &dev_attr_hotkey_bios_enabled.attr, &dev_attr_hotkey_bios_mask.attr, + &dev_attr_hotkey_all_mask.attr, + &dev_attr_hotkey_recommended_mask.attr, }; static int __init hotkey_init(struct ibm_init_struct *iibm) { - int res; + + static u16 ibm_keycode_map[] __initdata = { + /* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */ + KEY_FN_F1, KEY_FN_F2, KEY_COFFEE, KEY_SLEEP, + KEY_WLAN, KEY_FN_F6, KEY_SWITCHVIDEOMODE, KEY_FN_F8, + KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND, + /* Scan codes 0x0C to 0x0F: Other ACPI HKEY hot keys */ + KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */ + KEY_UNKNOWN, /* 0x0D: FN+INSERT */ + KEY_UNKNOWN, /* 0x0E: FN+DELETE */ + KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */ + /* Scan codes 0x10 to 0x1F: Extended ACPI HKEY hot keys */ + KEY_RESERVED, /* 0x10: FN+END (brightness down) */ + KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */ + KEY_UNKNOWN, /* 0x12: FN+PGDOWN */ + KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */ + KEY_RESERVED, /* 0x14: VOLUME UP */ + KEY_RESERVED, /* 0x15: VOLUME DOWN */ + KEY_RESERVED, /* 0x16: MUTE */ + KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */ + /* (assignments unknown, please report if found) */ + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + }; + static u16 lenovo_keycode_map[] __initdata = { + /* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */ + KEY_FN_F1, KEY_COFFEE, KEY_BATTERY, KEY_SLEEP, + KEY_WLAN, KEY_FN_F6, KEY_SWITCHVIDEOMODE, KEY_FN_F8, + KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND, + /* Scan codes 0x0C to 0x0F: Other ACPI HKEY hot keys */ + KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */ + KEY_UNKNOWN, /* 0x0D: FN+INSERT */ + KEY_UNKNOWN, /* 0x0E: FN+DELETE */ + KEY_BRIGHTNESSUP, /* 0x0F: FN+HOME (brightness up) */ + /* Scan codes 0x10 to 0x1F: Extended ACPI HKEY hot keys */ + KEY_BRIGHTNESSDOWN, /* 0x10: FN+END (brightness down) */ + KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */ + KEY_UNKNOWN, /* 0x12: FN+PGDOWN */ + KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */ + KEY_RESERVED, /* 0x14: VOLUME UP */ + KEY_RESERVED, /* 0x15: VOLUME DOWN */ + KEY_RESERVED, /* 0x16: MUTE */ + KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */ + /* (assignments unknown, please report if found) */ + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, + }; + +#define TPACPI_HOTKEY_MAP_LEN ARRAY_SIZE(ibm_keycode_map) +#define TPACPI_HOTKEY_MAP_SIZE sizeof(ibm_keycode_map) +#define TPACPI_HOTKEY_MAP_TYPESIZE sizeof(ibm_keycode_map[0]) + + int res, i; + int status; vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n"); + BUG_ON(!tpacpi_inputdev); + IBM_ACPIHANDLE_INIT(hkey); mutex_init(&hotkey_mutex); @@ -824,7 +986,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) str_supported(tp_features.hotkey)); if (tp_features.hotkey) { - hotkey_dev_attributes = create_attr_set(4, NULL); + hotkey_dev_attributes = create_attr_set(7, NULL); if (!hotkey_dev_attributes) return -ENOMEM; res = add_to_attr_set(hotkey_dev_attributes, @@ -840,19 +1002,92 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n", str_supported(tp_features.hotkey_mask)); + if (tp_features.hotkey_mask) { + /* MHKA available in A31, R40, R40e, T4x, X31, and later */ + if (!acpi_evalf(hkey_handle, &hotkey_all_mask, + "MHKA", "qd")) + hotkey_all_mask = 0x080cU; /* FN+F12, FN+F4, FN+F3 */ + } + res = hotkey_get(&hotkey_orig_status, &hotkey_orig_mask); if (!res && tp_features.hotkey_mask) { res = add_many_to_attr_set(hotkey_dev_attributes, hotkey_mask_attributes, ARRAY_SIZE(hotkey_mask_attributes)); } + + /* Not all thinkpads have a hardware radio switch */ + if (!res && acpi_evalf(hkey_handle, &status, "WLSW", "qd")) { + tp_features.hotkey_wlsw = 1; + printk(IBM_INFO + "radio switch found; radios are %s\n", + enabled(status, 0)); + res = add_to_attr_set(hotkey_dev_attributes, + &dev_attr_hotkey_radio_sw.attr); + } + if (!res) res = register_attr_set_with_sysfs( hotkey_dev_attributes, &tpacpi_pdev->dev.kobj); + if (res) + return res; + + /* Set up key map */ + + hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE, + GFP_KERNEL); + if (!hotkey_keycode_map) { + printk(IBM_ERR "failed to allocate memory for key map\n"); + return -ENOMEM; + } + + if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) { + dbg_printk(TPACPI_DBG_INIT, + "using Lenovo default hot key map\n"); + memcpy(hotkey_keycode_map, &lenovo_keycode_map, + TPACPI_HOTKEY_MAP_SIZE); + } else { + dbg_printk(TPACPI_DBG_INIT, + "using IBM default hot key map\n"); + memcpy(hotkey_keycode_map, &ibm_keycode_map, + TPACPI_HOTKEY_MAP_SIZE); + } +#ifndef CONFIG_THINKPAD_ACPI_INPUT_ENABLED + for (i = 0; i < 12; i++) + hotkey_keycode_map[i] = KEY_UNKNOWN; +#endif /* ! CONFIG_THINKPAD_ACPI_INPUT_ENABLED */ + + set_bit(EV_KEY, tpacpi_inputdev->evbit); + set_bit(EV_MSC, tpacpi_inputdev->evbit); + set_bit(MSC_SCAN, tpacpi_inputdev->mscbit); + tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE; + tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN; + tpacpi_inputdev->keycode = hotkey_keycode_map; + for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) { + if (hotkey_keycode_map[i] != KEY_RESERVED) { + set_bit(hotkey_keycode_map[i], + tpacpi_inputdev->keybit); + } else { + if (i < sizeof(hotkey_reserved_mask)*8) + hotkey_reserved_mask |= 1 << i; + } + } + + if (tp_features.hotkey_wlsw) { + set_bit(EV_SW, tpacpi_inputdev->evbit); + set_bit(SW_RADIO, tpacpi_inputdev->swbit); + } + +#ifdef CONFIG_THINKPAD_ACPI_INPUT_ENABLED + dbg_printk(TPACPI_DBG_INIT, + "enabling hot key handling\n"); + res = hotkey_set(1, (hotkey_all_mask & ~hotkey_reserved_mask) + | hotkey_orig_mask); if (res) return res; +#endif /* CONFIG_THINKPAD_ACPI_INPUT_ENABLED */ } return (tp_features.hotkey)? 0 : 1; @@ -875,22 +1110,101 @@ static void hotkey_exit(void) } } +static void tpacpi_input_send_key(unsigned int scancode, + unsigned int keycode) +{ + if (keycode != KEY_RESERVED) { + input_report_key(tpacpi_inputdev, keycode, 1); + if (keycode == KEY_UNKNOWN) + input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, + scancode); + input_sync(tpacpi_inputdev); + + input_report_key(tpacpi_inputdev, keycode, 0); + if (keycode == KEY_UNKNOWN) + input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, + scancode); + input_sync(tpacpi_inputdev); + } +} + +static void tpacpi_input_send_radiosw(void) +{ + int wlsw; + + if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) + input_report_switch(tpacpi_inputdev, + SW_RADIO, !!wlsw); +} + static void hotkey_notify(struct ibm_struct *ibm, u32 event) { - int hkey; + u32 hkey; + unsigned int keycode, scancode; + int sendacpi = 1; + + if (event == 0x80 && acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) { + if (tpacpi_inputdev->users > 0) { + switch (hkey >> 12) { + case 1: + /* 0x1000-0x1FFF: key presses */ + scancode = hkey & 0xfff; + if (scancode > 0 && scancode < 0x21) { + scancode--; + keycode = hotkey_keycode_map[scancode]; + tpacpi_input_send_key(scancode, keycode); + sendacpi = (keycode == KEY_RESERVED + || keycode == KEY_UNKNOWN); + } else { + printk(IBM_ERR + "hotkey 0x%04x out of range for keyboard map\n", + hkey); + } + break; + case 5: + /* 0x5000-0x5FFF: LID */ + /* we don't handle it through this path, just + * eat up known LID events */ + if (hkey != 0x5001 && hkey != 0x5002) { + printk(IBM_ERR + "unknown LID-related hotkey event: 0x%04x\n", + hkey); + } + break; + case 7: + /* 0x7000-0x7FFF: misc */ + if (tp_features.hotkey_wlsw && hkey == 0x7000) { + tpacpi_input_send_radiosw(); + sendacpi = 0; + break; + } + /* fallthrough to default */ + default: + /* case 2: dock-related */ + /* 0x2305 - T43 waking up due to bay lever eject while aslept */ + /* case 3: ultra-bay related. maybe bay in dock? */ + /* 0x3003 - T43 after wake up by bay lever eject (0x2305) */ + printk(IBM_NOTICE "unhandled hotkey event 0x%04x\n", hkey); + } + } - if (acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) - acpi_bus_generate_event(ibm->acpi->device, event, hkey); - else { - printk(IBM_ERR "unknown hotkey event %d\n", event); + if (sendacpi) + acpi_bus_generate_event(ibm->acpi->device, event, hkey); + } else { + printk(IBM_ERR "unknown hotkey notification event %d\n", event); acpi_bus_generate_event(ibm->acpi->device, event, 0); } } +static void hotkey_resume(void) +{ + tpacpi_input_send_radiosw(); +} + /* * Call with hotkey_mutex held */ -static int hotkey_get(int *status, int *mask) +static int hotkey_get(int *status, u32 *mask) { if (!acpi_evalf(hkey_handle, status, "DHKC", "d")) return -EIO; @@ -905,7 +1219,7 @@ static int hotkey_get(int *status, int *mask) /* * Call with hotkey_mutex held */ -static int hotkey_set(int status, int mask) +static int hotkey_set(int status, u32 mask) { int i; @@ -926,7 +1240,8 @@ static int hotkey_set(int status, int mask) /* procfs -------------------------------------------------------------- */ static int hotkey_read(char *p) { - int res, status, mask; + int res, status; + u32 mask; int len = 0; if (!tp_features.hotkey) { @@ -944,7 +1259,7 @@ static int hotkey_read(char *p) len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0)); if (tp_features.hotkey_mask) { - len += sprintf(p + len, "mask:\t\t0x%04x\n", mask); + len += sprintf(p + len, "mask:\t\t0x%08x\n", mask); len += sprintf(p + len, "commands:\tenable, disable, reset, <mask>\n"); } else { @@ -957,7 +1272,8 @@ static int hotkey_read(char *p) static int hotkey_write(char *buf) { - int res, status, mask; + int res, status; + u32 mask; char *cmd; int do_cmd = 0; @@ -1012,6 +1328,7 @@ static struct ibm_struct hotkey_driver_data = { .read = hotkey_read, .write = hotkey_write, .exit = hotkey_exit, + .resume = hotkey_resume, .acpi = &ibm_hotkey_acpidriver, }; @@ -1770,7 +2087,10 @@ static struct tp_acpi_drv_struct ibm_dock_acpidriver[2] = { .type = ACPI_SYSTEM_NOTIFY, }, { - .hid = IBM_PCI_HID, + /* THIS ONE MUST NEVER BE USED FOR DRIVER AUTOLOADING. + * We just use it to get notifications of dock hotplug + * in very old thinkpads */ + .hid = PCI_ROOT_HID_STRING, .notify = dock_notify, .handle = &pci_handle, .type = ACPI_SYSTEM_NOTIFY, @@ -1829,7 +2149,7 @@ static int __init dock_init2(struct ibm_init_struct *iibm) static void dock_notify(struct ibm_struct *ibm, u32 event) { int docked = dock_docked(); - int pci = ibm->acpi->hid && strstr(ibm->acpi->hid, IBM_PCI_HID); + int pci = ibm->acpi->hid && strstr(ibm->acpi->hid, PCI_ROOT_HID_STRING); if (event == 1 && !pci) /* 570 */ acpi_bus_generate_event(ibm->acpi->device, event, 1); /* button */ @@ -2389,7 +2709,7 @@ static int __init thermal_init(struct ibm_init_struct *iibm) acpi_tmp7 = acpi_evalf(ec_handle, NULL, "TMP7", "qv"); - if (ibm_thinkpad_ec_found && experimental) { + if (thinkpad_id.ec_model) { /* * Direct EC access mode: sensors at registers * 0x78-0x7F, 0xC0-0xC7. Registers return 0x00 for @@ -2533,6 +2853,8 @@ static int thermal_get_sensor(int idx, s32 *value) snprintf(tmpi, sizeof(tmpi), "TMP%c", '0' + idx); if (!acpi_evalf(ec_handle, &t, tmpi, "d")) return -EIO; + if (t > 127 || t < -127) + t = TP_EC_THERMAL_TMP_NA; *value = t * 1000; return 0; } @@ -2671,22 +2993,39 @@ static struct ibm_struct ecdump_driver_data = { * Backlight/brightness subdriver */ -static struct backlight_device *ibm_backlight_device = NULL; +static struct backlight_device *ibm_backlight_device; static struct backlight_ops ibm_backlight_data = { .get_brightness = brightness_get, .update_status = brightness_update_status, }; +static struct mutex brightness_mutex; + static int __init brightness_init(struct ibm_init_struct *iibm) { int b; vdbg_printk(TPACPI_DBG_INIT, "initializing brightness subdriver\n"); + mutex_init(&brightness_mutex); + + if (!brightness_mode) { + if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) + brightness_mode = 2; + else + brightness_mode = 3; + + dbg_printk(TPACPI_DBG_INIT, "selected brightness_mode=%d\n", + brightness_mode); + } + + if (brightness_mode > 3) + return -EINVAL; + b = brightness_get(NULL); if (b < 0) - return b; + return 1; ibm_backlight_device = backlight_device_register( TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL, @@ -2722,34 +3061,79 @@ static int brightness_update_status(struct backlight_device *bd) bd->props.brightness : 0); } +/* + * ThinkPads can read brightness from two places: EC 0x31, or + * CMOS NVRAM byte 0x5E, bits 0-3. + */ static int brightness_get(struct backlight_device *bd) { - u8 level; - if (!acpi_ec_read(brightness_offset, &level)) - return -EIO; + u8 lec = 0, lcmos = 0, level = 0; - level &= 0x7; + if (brightness_mode & 1) { + if (!acpi_ec_read(brightness_offset, &lec)) + return -EIO; + lec &= 7; + level = lec; + }; + if (brightness_mode & 2) { + lcmos = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS) + & TP_NVRAM_MASK_LEVEL_BRIGHTNESS) + >> TP_NVRAM_POS_LEVEL_BRIGHTNESS; + level = lcmos; + } + + if (brightness_mode == 3 && lec != lcmos) { + printk(IBM_ERR + "CMOS NVRAM (%u) and EC (%u) do not agree " + "on display brightness level\n", + (unsigned int) lcmos, + (unsigned int) lec); + return -EIO; + } return level; } static int brightness_set(int value) { - int cmos_cmd, inc, i; - int current_value = brightness_get(NULL); + int cmos_cmd, inc, i, res; + int current_value; + + if (value > 7) + return -EINVAL; - value &= 7; + res = mutex_lock_interruptible(&brightness_mutex); + if (res < 0) + return res; + + current_value = brightness_get(NULL); + if (current_value < 0) { + res = current_value; + goto errout; + } - cmos_cmd = value > current_value ? TP_CMOS_BRIGHTNESS_UP : TP_CMOS_BRIGHTNESS_DOWN; + cmos_cmd = value > current_value ? + TP_CMOS_BRIGHTNESS_UP : + TP_CMOS_BRIGHTNESS_DOWN; inc = value > current_value ? 1 : -1; + + res = 0; for (i = current_value; i != value; i += inc) { - if (issue_thinkpad_cmos_command(cmos_cmd)) - return -EIO; - if (!acpi_ec_write(brightness_offset, i + inc)) - return -EIO; + if ((brightness_mode & 2) && + issue_thinkpad_cmos_command(cmos_cmd)) { + res = -EIO; + goto errout; + } + if ((brightness_mode & 1) && + !acpi_ec_write(brightness_offset, i + inc)) { + res = -EIO; + goto errout;; + } } - return 0; +errout: + mutex_unlock(&brightness_mutex); + return res; } static int brightness_read(char *p) @@ -3273,20 +3657,19 @@ static int __init fan_init(struct ibm_init_struct *iibm) * Enable for TP-1Y (T43), TP-78 (R51e), * TP-76 (R52), TP-70 (T43, R52), which are known * to be buggy. */ - if (fan_control_initial_status == 0x07 && - ibm_thinkpad_ec_found && - ((ibm_thinkpad_ec_found[0] == '1' && - ibm_thinkpad_ec_found[1] == 'Y') || - (ibm_thinkpad_ec_found[0] == '7' && - (ibm_thinkpad_ec_found[1] == '6' || - ibm_thinkpad_ec_found[1] == '8' || - ibm_thinkpad_ec_found[1] == '0')) - )) { - printk(IBM_NOTICE - "fan_init: initial fan status is " - "unknown, assuming it is in auto " - "mode\n"); - tp_features.fan_ctrl_status_undef = 1; + if (fan_control_initial_status == 0x07) { + switch (thinkpad_id.ec_model) { + case 0x5931: /* TP-1Y */ + case 0x3837: /* TP-78 */ + case 0x3637: /* TP-76 */ + case 0x3037: /* TP-70 */ + printk(IBM_NOTICE + "fan_init: initial fan status is " + "unknown, assuming it is in auto " + "mode\n"); + tp_features.fan_ctrl_status_undef = 1; + ;; + } } } else { printk(IBM_ERR @@ -3474,7 +3857,7 @@ static void fan_watchdog_fire(struct work_struct *ignored) static void fan_watchdog_reset(void) { - static int fan_watchdog_active = 0; + static int fan_watchdog_active; if (fan_control_access_mode == TPACPI_FAN_WR_NONE) return; @@ -3877,7 +4260,7 @@ static struct ibm_struct fan_driver_data = { ****************************************************************************/ /* /proc support */ -static struct proc_dir_entry *proc_dir = NULL; +static struct proc_dir_entry *proc_dir; /* Subdriver registry */ static LIST_HEAD(tpacpi_all_drivers); @@ -4020,13 +4403,30 @@ static void ibm_exit(struct ibm_struct *ibm) /* Probing */ -static char *ibm_thinkpad_ec_found = NULL; - -static char* __init check_dmi_for_ec(void) +static void __init get_thinkpad_model_data(struct thinkpad_id_data *tp) { struct dmi_device *dev = NULL; char ec_fw_string[18]; + if (!tp) + return; + + memset(tp, 0, sizeof(*tp)); + + if (dmi_name_in_vendors("IBM")) + tp->vendor = PCI_VENDOR_ID_IBM; + else if (dmi_name_in_vendors("LENOVO")) + tp->vendor = PCI_VENDOR_ID_LENOVO; + else + return; + + tp->bios_version_str = kstrdup(dmi_get_system_info(DMI_BIOS_VERSION), + GFP_KERNEL); + if (!tp->bios_version_str) + return; + tp->bios_model = tp->bios_version_str[0] + | (tp->bios_version_str[1] << 8); + /* * ThinkPad T23 or newer, A31 or newer, R50e or newer, * X32 or newer, all Z series; Some models must have an @@ -4040,10 +4440,20 @@ static char* __init check_dmi_for_ec(void) ec_fw_string) == 1) { ec_fw_string[sizeof(ec_fw_string) - 1] = 0; ec_fw_string[strcspn(ec_fw_string, " ]")] = 0; - return kstrdup(ec_fw_string, GFP_KERNEL); + + tp->ec_version_str = kstrdup(ec_fw_string, GFP_KERNEL); + tp->ec_model = ec_fw_string[0] + | (ec_fw_string[1] << 8); + break; } } - return NULL; + + tp->model_str = kstrdup(dmi_get_system_info(DMI_PRODUCT_VERSION), + GFP_KERNEL); + if (strnicmp(tp->model_str, "ThinkPad", 8) != 0) { + kfree(tp->model_str); + tp->model_str = NULL; + } } static int __init probe_for_thinkpad(void) @@ -4057,7 +4467,7 @@ static int __init probe_for_thinkpad(void) * Non-ancient models have better DMI tagging, but very old models * don't. */ - is_thinkpad = dmi_name_in_vendors("ThinkPad"); + is_thinkpad = (thinkpad_id.model_str != NULL); /* ec is required because many other handles are relative to it */ IBM_ACPIHANDLE_INIT(ec); @@ -4073,7 +4483,7 @@ static int __init probe_for_thinkpad(void) * false positives a damn great deal */ if (!is_thinkpad) - is_thinkpad = dmi_name_in_vendors("IBM"); + is_thinkpad = (thinkpad_id.vendor == PCI_VENDOR_ID_IBM); if (!is_thinkpad && !force_load) return -ENODEV; @@ -4185,10 +4595,13 @@ static u32 dbg_level; module_param_named(debug, dbg_level, uint, 0); static int force_load; -module_param(force_load, int, 0); +module_param(force_load, bool, 0); static int fan_control_allowed; -module_param_named(fan_control, fan_control_allowed, int, 0); +module_param_named(fan_control, fan_control_allowed, bool, 0); + +static int brightness_mode; +module_param_named(brightness_mode, brightness_mode, int, 0); #define IBM_PARAM(feature) \ module_param_call(feature, set_ibm_param, NULL, NULL, 0) @@ -4216,12 +4629,16 @@ static int __init thinkpad_acpi_module_init(void) int ret, i; /* Driver-level probe */ + + get_thinkpad_model_data(&thinkpad_id); ret = probe_for_thinkpad(); - if (ret) + if (ret) { + thinkpad_acpi_module_exit(); return ret; + } /* Driver initialization */ - ibm_thinkpad_ec_found = check_dmi_for_ec(); + IBM_ACPIHANDLE_INIT(ecrd); IBM_ACPIHANDLE_INIT(ecwr); @@ -4265,6 +4682,22 @@ static int __init thinkpad_acpi_module_init(void) thinkpad_acpi_module_exit(); return ret; } + tpacpi_inputdev = input_allocate_device(); + if (!tpacpi_inputdev) { + printk(IBM_ERR "unable to allocate input device\n"); + thinkpad_acpi_module_exit(); + return -ENOMEM; + } else { + /* Prepare input device, but don't register */ + tpacpi_inputdev->name = "ThinkPad Extra Buttons"; + tpacpi_inputdev->phys = IBM_DRVR_NAME "/input0"; + tpacpi_inputdev->id.bustype = BUS_HOST; + tpacpi_inputdev->id.vendor = (thinkpad_id.vendor) ? + thinkpad_id.vendor : + PCI_VENDOR_ID_IBM; + tpacpi_inputdev->id.product = TPACPI_HKEY_INPUT_PRODUCT; + tpacpi_inputdev->id.version = TPACPI_HKEY_INPUT_VERSION; + } for (i = 0; i < ARRAY_SIZE(ibms_init); i++) { ret = ibm_init(&ibms_init[i]); if (ret >= 0 && *ibms_init[i].param) @@ -4274,6 +4707,14 @@ static int __init thinkpad_acpi_module_init(void) return ret; } } + ret = input_register_device(tpacpi_inputdev); + if (ret < 0) { + printk(IBM_ERR "unable to register input device\n"); + thinkpad_acpi_module_exit(); + return ret; + } else { + tp_features.input_device_registered = 1; + } return 0; } @@ -4290,6 +4731,13 @@ static void thinkpad_acpi_module_exit(void) dbg_printk(TPACPI_DBG_INIT, "finished subdriver exit path...\n"); + if (tpacpi_inputdev) { + if (tp_features.input_device_registered) + input_unregister_device(tpacpi_inputdev); + else + input_free_device(tpacpi_inputdev); + } + if (tpacpi_hwmon) hwmon_device_unregister(tpacpi_hwmon); @@ -4302,7 +4750,9 @@ static void thinkpad_acpi_module_exit(void) if (proc_dir) remove_proc_entry(IBM_PROC_DIR, acpi_root_dir); - kfree(ibm_thinkpad_ec_found); + kfree(thinkpad_id.bios_version_str); + kfree(thinkpad_id.ec_version_str); + kfree(thinkpad_id.model_str); } module_init(thinkpad_acpi_module_init); diff --git a/drivers/misc/thinkpad_acpi.h b/drivers/misc/thinkpad_acpi.h index 72d62f2dabb..b7a4a888cc8 100644 --- a/drivers/misc/thinkpad_acpi.h +++ b/drivers/misc/thinkpad_acpi.h @@ -32,6 +32,7 @@ #include <linux/list.h> #include <linux/mutex.h> +#include <linux/nvram.h> #include <linux/proc_fs.h> #include <linux/sysfs.h> #include <linux/backlight.h> @@ -39,6 +40,7 @@ #include <linux/platform_device.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> +#include <linux/input.h> #include <asm/uaccess.h> #include <linux/dmi.h> @@ -48,6 +50,7 @@ #include <acpi/acpi_drivers.h> #include <acpi/acnamesp.h> +#include <linux/pci_ids.h> /**************************************************************************** * Main driver @@ -78,6 +81,11 @@ #define TP_CMOS_BRIGHTNESS_UP 4 #define TP_CMOS_BRIGHTNESS_DOWN 5 +/* ThinkPad CMOS NVRAM constants */ +#define TP_NVRAM_ADDR_BRIGHTNESS 0x5e +#define TP_NVRAM_MASK_LEVEL_BRIGHTNESS 0x07 +#define TP_NVRAM_POS_LEVEL_BRIGHTNESS 0 + #define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off") #define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") #define strlencmp(a,b) (strncmp((a), (b), strlen(b))) @@ -98,9 +106,13 @@ static const char *str_supported(int is_supported); #define vdbg_printk(a_dbg_level, format, arg...) #endif +/* Input IDs */ +#define TPACPI_HKEY_INPUT_VENDOR PCI_VENDOR_ID_IBM +#define TPACPI_HKEY_INPUT_PRODUCT 0x5054 /* "TP" */ +#define TPACPI_HKEY_INPUT_VERSION 0x4101 + /* ACPI HIDs */ #define IBM_HKEY_HID "IBM0068" -#define IBM_PCI_HID "PNP0A03" /* ACPI helpers */ static int __must_check acpi_evalf(acpi_handle handle, @@ -161,6 +173,7 @@ static int parse_strtoul(const char *buf, unsigned long max, static struct platform_device *tpacpi_pdev; static struct class_device *tpacpi_hwmon; static struct platform_driver tpacpi_pdriver; +static struct input_dev *tpacpi_inputdev; static int tpacpi_create_driver_attributes(struct device_driver *drv); static void tpacpi_remove_driver_attributes(struct device_driver *drv); @@ -168,9 +181,7 @@ static void tpacpi_remove_driver_attributes(struct device_driver *drv); static int experimental; static u32 dbg_level; static int force_load; -static char *ibm_thinkpad_ec_found; -static char* check_dmi_for_ec(void); static int thinkpad_acpi_module_init(void); static void thinkpad_acpi_module_exit(void); @@ -197,6 +208,7 @@ struct ibm_struct { int (*read) (char *); int (*write) (char *); void (*exit) (void); + void (*resume) (void); struct list_head all_drivers; @@ -228,12 +240,29 @@ static struct { u16 bluetooth:1; u16 hotkey:1; u16 hotkey_mask:1; + u16 hotkey_wlsw:1; u16 light:1; u16 light_status:1; u16 wan:1; u16 fan_ctrl_status_undef:1; + u16 input_device_registered:1; } tp_features; +struct thinkpad_id_data { + unsigned int vendor; /* ThinkPad vendor: + * PCI_VENDOR_ID_IBM/PCI_VENDOR_ID_LENOVO */ + + char *bios_version_str; /* Something like 1ZET51WW (1.03z) */ + char *ec_version_str; /* Something like 1ZHT51WW-1.04a */ + + u16 bios_model; /* Big Endian, TP-1Y = 0x5931, 0 = unknown */ + u16 ec_model; + + char *model_str; +}; + +static struct thinkpad_id_data thinkpad_id; + static struct list_head tpacpi_all_drivers; static struct ibm_init_struct ibms_init[]; @@ -300,6 +329,7 @@ static int bluetooth_write(char *buf); static struct backlight_device *ibm_backlight_device; static int brightness_offset = 0x31; +static int brightness_mode; static int brightness_init(struct ibm_init_struct *iibm); static void brightness_exit(void); @@ -415,14 +445,14 @@ static int fan_write_cmd_watchdog(const char *cmd, int *rc); */ static int hotkey_orig_status; -static int hotkey_orig_mask; +static u32 hotkey_orig_mask; static struct mutex hotkey_mutex; static int hotkey_init(struct ibm_init_struct *iibm); static void hotkey_exit(void); -static int hotkey_get(int *status, int *mask); -static int hotkey_set(int status, int mask); +static int hotkey_get(int *status, u32 *mask); +static int hotkey_set(int status, u32 mask); static void hotkey_notify(struct ibm_struct *ibm, u32 event); static int hotkey_read(char *p); static int hotkey_write(char *buf); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 3073f679584..f8a602caabc 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -5,6 +5,7 @@ menuconfig NETDEVICES default y if UML + depends on NET bool "Network device support" ---help--- You can say N here if you don't intend to connect your Linux box to diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig index 829da9a1d11..2098d0af8ff 100644 --- a/drivers/net/irda/Kconfig +++ b/drivers/net/irda/Kconfig @@ -155,6 +155,15 @@ config KINGSUN_DONGLE To compile it as a module, choose M here: the module will be called kingsun-sir. +config EP7211_DONGLE + tristate "EP7211 I/R support" + depends on IRTTY_SIR && ARCH_EP7211 && IRDA && EXPERIMENTAL + help + Say Y here if you want to build support for the Cirrus logic + EP7211 chipset's infrared module. + + + comment "Old SIR device drivers" config IRPORT_SIR @@ -355,7 +364,7 @@ config WINBOND_FIR config TOSHIBA_FIR tristate "Toshiba Type-O IR Port" - depends on IRDA && PCI && !64BIT + depends on IRDA && PCI && !64BIT && VIRT_TO_BUS help Say Y here if you want to build support for the Toshiba Type-O IR and Donau oboe chipsets. These chipsets are used by the Toshiba diff --git a/drivers/net/irda/Makefile b/drivers/net/irda/Makefile index 233a2f92373..2808ef5c7b7 100644 --- a/drivers/net/irda/Makefile +++ b/drivers/net/irda/Makefile @@ -45,6 +45,7 @@ obj-$(CONFIG_MCP2120_DONGLE) += mcp2120-sir.o obj-$(CONFIG_ACT200L_DONGLE) += act200l-sir.o obj-$(CONFIG_MA600_DONGLE) += ma600-sir.o obj-$(CONFIG_TOIM3232_DONGLE) += toim3232-sir.o +obj-$(CONFIG_EP7211_DONGLE) += ep7211-sir.o obj-$(CONFIG_KINGSUN_DONGLE) += kingsun-sir.o # The SIR helper module diff --git a/drivers/net/irda/ep7211-sir.c b/drivers/net/irda/ep7211-sir.c new file mode 100644 index 00000000000..831572429bb --- /dev/null +++ b/drivers/net/irda/ep7211-sir.c @@ -0,0 +1,89 @@ +/* + * IR port driver for the Cirrus Logic EP7211 processor. + * + * Copyright 2001, Blue Mug Inc. All rights reserved. + * Copyright 2007, Samuel Ortiz <samuel@sortiz.org> + */ +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/tty.h> +#include <linux/init.h> +#include <linux/spinlock.h> + +#include <net/irda/irda.h> +#include <net/irda/irda_device.h> + +#include <asm/io.h> +#include <asm/hardware.h> + +#include "sir-dev.h" + +#define MIN_DELAY 25 /* 15 us, but wait a little more to be sure */ +#define MAX_DELAY 10000 /* 1 ms */ + +static int ep7211_open(struct sir_dev *dev); +static int ep7211_close(struct sir_dev *dev); +static int ep7211_change_speed(struct sir_dev *dev, unsigned speed); +static int ep7211_reset(struct sir_dev *dev); + +static struct dongle_driver ep7211 = { + .owner = THIS_MODULE, + .driver_name = "EP7211 IR driver", + .type = IRDA_EP7211_DONGLE, + .open = ep7211_open, + .close = ep7211_close, + .reset = ep7211_reset, + .set_speed = ep7211_change_speed, +}; + +static int __init ep7211_sir_init(void) +{ + return irda_register_dongle(&ep7211); +} + +static void __exit ep7211_sir_cleanup(void) +{ + irda_unregister_dongle(&ep7211); +} + +static int ep7211_open(struct sir_dev *dev) +{ + unsigned int syscon; + + /* Turn on the SIR encoder. */ + syscon = clps_readl(SYSCON1); + syscon |= SYSCON1_SIREN; + clps_writel(syscon, SYSCON1); + + return 0; +} + +static int ep7211_close(struct sir_dev *dev) +{ + unsigned int syscon; + + /* Turn off the SIR encoder. */ + syscon = clps_readl(SYSCON1); + syscon &= ~SYSCON1_SIREN; + clps_writel(syscon, SYSCON1); + + return 0; +} + +static int ep7211_change_speed(struct sir_dev *dev, unsigned speed) +{ + return 0; +} + +static int ep7211_reset(struct sir_dev *dev) +{ + return 0; +} + +MODULE_AUTHOR("Samuel Ortiz <samuel@sortiz.org>"); +MODULE_DESCRIPTION("EP7211 IR dongle driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("irda-dongle-13"); /* IRDA_EP7211_DONGLE */ + +module_init(ep7211_sir_init); +module_exit(ep7211_sir_cleanup); diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 35f34665e3c..9d8d40d5c8f 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -38,6 +38,9 @@ config RTC_HCTOSYS_DEVICE clock, usually rtc0. Initialization is done when the system starts up, and when it resumes from a low power state. + The driver for this RTC device must be loaded before late_initcall + functions run, so it must usually be statically linked. + 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). @@ -305,6 +308,16 @@ config RTC_DRV_DS1553 This driver can also be built as a module. If so, the module will be called rtc-ds1553. +config RTC_DRV_STK17TA8 + tristate "Simtek STK17TA8" + depends on RTC_CLASS + help + If you say yes here you get support for the + Simtek STK17TA8 timekeeping chip. + + This driver can also be built as a module. If so, the module + will be called rtc-stk17ta8. + config RTC_DRV_DS1742 tristate "Dallas DS1742/1743" depends on RTC_CLASS diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 3109af9a165..7ede9e72536 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_RTC_DRV_RS5C348) += rtc-rs5c348.o obj-$(CONFIG_RTC_DRV_M41T80) += rtc-m41t80.o obj-$(CONFIG_RTC_DRV_M48T86) += rtc-m48t86.o obj-$(CONFIG_RTC_DRV_DS1553) += rtc-ds1553.o +obj-$(CONFIG_RTC_DRV_STK17TA8) += rtc-stk17ta8.o obj-$(CONFIG_RTC_DRV_RS5C313) += rtc-rs5c313.o obj-$(CONFIG_RTC_DRV_EP93XX) += rtc-ep93xx.o obj-$(CONFIG_RTC_DRV_SA1100) += rtc-sa1100.o diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c index f98a83a11aa..46da5714932 100644 --- a/drivers/rtc/rtc-ds1553.c +++ b/drivers/rtc/rtc-ds1553.c @@ -407,7 +407,7 @@ static __init int ds1553_init(void) static __exit void ds1553_exit(void) { - return platform_driver_unregister(&ds1553_rtc_driver); + platform_driver_unregister(&ds1553_rtc_driver); } module_init(ds1553_init); diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c index d1778ae8bca..b2e5481ba3b 100644 --- a/drivers/rtc/rtc-ds1742.c +++ b/drivers/rtc/rtc-ds1742.c @@ -263,7 +263,7 @@ static __init int ds1742_init(void) static __exit void ds1742_exit(void) { - return platform_driver_unregister(&ds1742_rtc_driver); + platform_driver_unregister(&ds1742_rtc_driver); } module_init(ds1742_init); diff --git a/drivers/rtc/rtc-max6900.c b/drivers/rtc/rtc-max6900.c index eee4ee5bb75..a1cd448639c 100644 --- a/drivers/rtc/rtc-max6900.c +++ b/drivers/rtc/rtc-max6900.c @@ -31,17 +31,24 @@ #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 + /* register 8 is undocumented */ +#define MAX6900_REG_CENTURY 9 /* century */ +#define MAX6900_REG_LEN 10 + +#define MAX6900_BURST_LEN 8 /* can burst r/w first 8 regs */ #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_CENTURY_WRITE 0x92 +#define MAX6900_REG_CENTURY_READ 0x93 #define MAX6900_REG_RESERVED_READ 0x96 +#define MAX6900_REG_BURST_WRITE 0xbe +#define MAX6900_REG_BURST_READ 0xbf #define MAX6900_IDLE_TIME_AFTER_WRITE 3 /* specification says 2.5 mS */ @@ -58,19 +65,32 @@ 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] = { + u8 reg_burst_read[1] = { MAX6900_REG_BURST_READ }; + u8 reg_century_read[1] = { MAX6900_REG_CENTURY_READ }; + struct i2c_msg msgs[4] = { { .addr = client->addr, .flags = 0, /* write */ - .len = sizeof(reg_addr), - .buf = reg_addr + .len = sizeof(reg_burst_read), + .buf = reg_burst_read }, { .addr = client->addr, .flags = I2C_M_RD, - .len = MAX6900_REG_LEN, + .len = MAX6900_BURST_LEN, .buf = buf + }, + { + .addr = client->addr, + .flags = 0, /* write */ + .len = sizeof(reg_century_read), + .buf = reg_century_read + }, + { + .addr = client->addr, + .flags = I2C_M_RD, + .len = sizeof(buf[MAX6900_REG_CENTURY]), + .buf = &buf[MAX6900_REG_CENTURY] } }; int rc; @@ -86,33 +106,58 @@ static int max6900_i2c_read_regs(struct i2c_client *client, u8 *buf) 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] = { + u8 i2c_century_buf[1 + 1] = { MAX6900_REG_CENTURY_WRITE }; + struct i2c_msg century_msgs[1] = { { .addr = client->addr, .flags = 0, /* write */ - .len = MAX6900_REG_LEN + 1, - .buf = i2c_buf + .len = sizeof(i2c_century_buf), + .buf = i2c_century_buf + } + }; + u8 i2c_burst_buf[MAX6900_BURST_LEN + 1] = { MAX6900_REG_BURST_WRITE }; + struct i2c_msg burst_msgs[1] = { + { + .addr = client->addr, + .flags = 0, /* write */ + .len = sizeof(i2c_burst_buf), + .buf = i2c_burst_buf } }; int rc; - memcpy(&i2c_buf[1], buf, MAX6900_REG_LEN); + /* + * We have to make separate calls to i2c_transfer because of + * the need to delay after each write to the chip. Also, + * we write the century byte first, since we set the write-protect + * bit as part of the burst write. + */ + i2c_century_buf[1] = buf[MAX6900_REG_CENTURY]; + rc = i2c_transfer(client->adapter, century_msgs, + ARRAY_SIZE(century_msgs)); + if (rc != ARRAY_SIZE(century_msgs)) + goto write_failed; + msleep(MAX6900_IDLE_TIME_AFTER_WRITE); - 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; - } + memcpy(&i2c_burst_buf[1], buf, MAX6900_BURST_LEN); + + rc = i2c_transfer(client->adapter, burst_msgs, ARRAY_SIZE(burst_msgs)); + if (rc != ARRAY_SIZE(burst_msgs)) + goto write_failed; msleep(MAX6900_IDLE_TIME_AFTER_WRITE); + return 0; + +write_failed: + dev_err(&client->dev, "%s: register write failed\n", + __FUNCTION__); + return -EIO; } static int max6900_i2c_validate_client(struct i2c_client *client) { u8 regs[MAX6900_REG_LEN]; - u8 zero_mask[MAX6900_REG_LEN] = { + u8 zero_mask[] = { 0x80, /* seconds */ 0x80, /* minutes */ 0x40, /* hours */ @@ -134,7 +179,7 @@ static int max6900_i2c_validate_client(struct i2c_client *client) if (rc < 0) return rc; - for (i = 0; i < MAX6900_REG_LEN; ++i) { + for (i = 0; i < ARRAY_SIZE(zero_mask); ++i) { if (regs[i] & zero_mask[i]) return -ENODEV; } @@ -156,7 +201,8 @@ static int max6900_i2c_read_time(struct i2c_client *client, struct rtc_time *tm) 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_year = BCD2BIN(regs[MAX6900_REG_YR]) + + BCD2BIN(regs[MAX6900_REG_CENTURY]) * 100 - 1900; tm->tm_wday = BCD2BIN(regs[MAX6900_REG_DW]); return 0; @@ -189,9 +235,11 @@ static int max6900_i2c_set_time(struct i2c_client *client, 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 */ + regs[MAX6900_REG_YR] = BIN2BCD(tm->tm_year % 100); + regs[MAX6900_REG_CENTURY] = BIN2BCD((tm->tm_year + 1900) / 100); + /* set write protect */ + regs[MAX6900_REG_CT] = MAX6900_REG_CT_WP; rc = max6900_i2c_write_regs(client, regs); if (rc < 0) diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c new file mode 100644 index 00000000000..f10d3facecb --- /dev/null +++ b/drivers/rtc/rtc-stk17ta8.c @@ -0,0 +1,420 @@ +/* + * A RTC driver for the Simtek STK17TA8 + * + * By Thomas Hommel <thomas.hommel@gefanuc.com> + * + * Based on the DS1553 driver from + * Atsushi Nemoto <anemo@mba.ocn.ne.jp> + * + * 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/bcd.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/jiffies.h> +#include <linux/interrupt.h> +#include <linux/rtc.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#define DRV_VERSION "0.1" + +#define RTC_REG_SIZE 0x20000 +#define RTC_OFFSET 0x1fff0 + +#define RTC_FLAGS (RTC_OFFSET + 0) +#define RTC_CENTURY (RTC_OFFSET + 1) +#define RTC_SECONDS_ALARM (RTC_OFFSET + 2) +#define RTC_MINUTES_ALARM (RTC_OFFSET + 3) +#define RTC_HOURS_ALARM (RTC_OFFSET + 4) +#define RTC_DATE_ALARM (RTC_OFFSET + 5) +#define RTC_INTERRUPTS (RTC_OFFSET + 6) +#define RTC_WATCHDOG (RTC_OFFSET + 7) +#define RTC_CALIBRATION (RTC_OFFSET + 8) +#define RTC_SECONDS (RTC_OFFSET + 9) +#define RTC_MINUTES (RTC_OFFSET + 10) +#define RTC_HOURS (RTC_OFFSET + 11) +#define RTC_DAY (RTC_OFFSET + 12) +#define RTC_DATE (RTC_OFFSET + 13) +#define RTC_MONTH (RTC_OFFSET + 14) +#define RTC_YEAR (RTC_OFFSET + 15) + +#define RTC_SECONDS_MASK 0x7f +#define RTC_DAY_MASK 0x07 +#define RTC_CAL_MASK 0x3f + +/* Bits in the Calibration register */ +#define RTC_STOP 0x80 + +/* Bits in the Flags register */ +#define RTC_FLAGS_AF 0x40 +#define RTC_FLAGS_PF 0x20 +#define RTC_WRITE 0x02 +#define RTC_READ 0x01 + +/* Bits in the Interrupts register */ +#define RTC_INTS_AIE 0x40 + +struct rtc_plat_data { + struct rtc_device *rtc; + void __iomem *ioaddr; + unsigned long baseaddr; + unsigned long last_jiffies; + int irq; + unsigned int irqen; + int alrm_sec; + int alrm_min; + int alrm_hour; + int alrm_mday; +}; + +static int stk17ta8_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + struct platform_device *pdev = to_platform_device(dev); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + void __iomem *ioaddr = pdata->ioaddr; + u8 flags; + + flags = readb(pdata->ioaddr + RTC_FLAGS); + writeb(flags | RTC_WRITE, pdata->ioaddr + RTC_FLAGS); + + writeb(BIN2BCD(tm->tm_year % 100), ioaddr + RTC_YEAR); + writeb(BIN2BCD(tm->tm_mon + 1), ioaddr + RTC_MONTH); + writeb(BIN2BCD(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY); + writeb(BIN2BCD(tm->tm_mday), ioaddr + RTC_DATE); + writeb(BIN2BCD(tm->tm_hour), ioaddr + RTC_HOURS); + writeb(BIN2BCD(tm->tm_min), ioaddr + RTC_MINUTES); + writeb(BIN2BCD(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS); + writeb(BIN2BCD((tm->tm_year + 1900) / 100), ioaddr + RTC_CENTURY); + + writeb(flags & ~RTC_WRITE, pdata->ioaddr + RTC_FLAGS); + return 0; +} + +static int stk17ta8_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + struct platform_device *pdev = to_platform_device(dev); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + void __iomem *ioaddr = pdata->ioaddr; + unsigned int year, month, day, hour, minute, second, week; + unsigned int century; + u8 flags; + + /* give enough time to update RTC in case of continuous read */ + if (pdata->last_jiffies == jiffies) + msleep(1); + pdata->last_jiffies = jiffies; + + flags = readb(pdata->ioaddr + RTC_FLAGS); + writeb(flags | RTC_READ, ioaddr + RTC_FLAGS); + second = readb(ioaddr + RTC_SECONDS) & RTC_SECONDS_MASK; + minute = readb(ioaddr + RTC_MINUTES); + hour = readb(ioaddr + RTC_HOURS); + day = readb(ioaddr + RTC_DATE); + week = readb(ioaddr + RTC_DAY) & RTC_DAY_MASK; + month = readb(ioaddr + RTC_MONTH); + year = readb(ioaddr + RTC_YEAR); + century = readb(ioaddr + RTC_CENTURY); + writeb(flags & ~RTC_READ, ioaddr + RTC_FLAGS); + tm->tm_sec = BCD2BIN(second); + tm->tm_min = BCD2BIN(minute); + tm->tm_hour = BCD2BIN(hour); + tm->tm_mday = BCD2BIN(day); + tm->tm_wday = BCD2BIN(week); + tm->tm_mon = BCD2BIN(month) - 1; + /* year is 1900 + tm->tm_year */ + tm->tm_year = BCD2BIN(year) + BCD2BIN(century) * 100 - 1900; + + if (rtc_valid_tm(tm) < 0) { + dev_err(dev, "retrieved date/time is not valid.\n"); + rtc_time_to_tm(0, tm); + } + return 0; +} + +static void stk17ta8_rtc_update_alarm(struct rtc_plat_data *pdata) +{ + void __iomem *ioaddr = pdata->ioaddr; + unsigned long irqflags; + u8 flags; + + spin_lock_irqsave(&pdata->rtc->irq_lock, irqflags); + + flags = readb(ioaddr + RTC_FLAGS); + writeb(flags | RTC_WRITE, ioaddr + RTC_FLAGS); + + writeb(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ? + 0x80 : BIN2BCD(pdata->alrm_mday), + ioaddr + RTC_DATE_ALARM); + writeb(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ? + 0x80 : BIN2BCD(pdata->alrm_hour), + ioaddr + RTC_HOURS_ALARM); + writeb(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ? + 0x80 : BIN2BCD(pdata->alrm_min), + ioaddr + RTC_MINUTES_ALARM); + writeb(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ? + 0x80 : BIN2BCD(pdata->alrm_sec), + ioaddr + RTC_SECONDS_ALARM); + writeb(pdata->irqen ? RTC_INTS_AIE : 0, ioaddr + RTC_INTERRUPTS); + readb(ioaddr + RTC_FLAGS); /* clear interrupts */ + writeb(flags & ~RTC_WRITE, ioaddr + RTC_FLAGS); + spin_unlock_irqrestore(&pdata->rtc->irq_lock, irqflags); +} + +static int stk17ta8_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) +{ + struct platform_device *pdev = to_platform_device(dev); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + + if (pdata->irq < 0) + return -EINVAL; + pdata->alrm_mday = alrm->time.tm_mday; + pdata->alrm_hour = alrm->time.tm_hour; + pdata->alrm_min = alrm->time.tm_min; + pdata->alrm_sec = alrm->time.tm_sec; + if (alrm->enabled) + pdata->irqen |= RTC_AF; + stk17ta8_rtc_update_alarm(pdata); + return 0; +} + +static int stk17ta8_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) +{ + struct platform_device *pdev = to_platform_device(dev); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + + if (pdata->irq < 0) + return -EINVAL; + alrm->time.tm_mday = pdata->alrm_mday < 0 ? 0 : pdata->alrm_mday; + alrm->time.tm_hour = pdata->alrm_hour < 0 ? 0 : pdata->alrm_hour; + alrm->time.tm_min = pdata->alrm_min < 0 ? 0 : pdata->alrm_min; + alrm->time.tm_sec = pdata->alrm_sec < 0 ? 0 : pdata->alrm_sec; + alrm->enabled = (pdata->irqen & RTC_AF) ? 1 : 0; + return 0; +} + +static irqreturn_t stk17ta8_rtc_interrupt(int irq, void *dev_id) +{ + struct platform_device *pdev = dev_id; + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + void __iomem *ioaddr = pdata->ioaddr; + unsigned long events = RTC_IRQF; + + /* read and clear interrupt */ + if (!(readb(ioaddr + RTC_FLAGS) & RTC_FLAGS_AF)) + return IRQ_NONE; + if (readb(ioaddr + RTC_SECONDS_ALARM) & 0x80) + events |= RTC_UF; + else + events |= RTC_AF; + rtc_update_irq(pdata->rtc, 1, events); + return IRQ_HANDLED; +} + +static void stk17ta8_rtc_release(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + + if (pdata->irq >= 0) { + pdata->irqen = 0; + stk17ta8_rtc_update_alarm(pdata); + } +} + +static int stk17ta8_rtc_ioctl(struct device *dev, unsigned int cmd, + unsigned long arg) +{ + struct platform_device *pdev = to_platform_device(dev); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + + if (pdata->irq < 0) + return -ENOIOCTLCMD; /* fall back into rtc-dev's emulation */ + switch (cmd) { + case RTC_AIE_OFF: + pdata->irqen &= ~RTC_AF; + stk17ta8_rtc_update_alarm(pdata); + break; + case RTC_AIE_ON: + pdata->irqen |= RTC_AF; + stk17ta8_rtc_update_alarm(pdata); + break; + default: + return -ENOIOCTLCMD; + } + return 0; +} + +static const struct rtc_class_ops stk17ta8_rtc_ops = { + .read_time = stk17ta8_rtc_read_time, + .set_time = stk17ta8_rtc_set_time, + .read_alarm = stk17ta8_rtc_read_alarm, + .set_alarm = stk17ta8_rtc_set_alarm, + .release = stk17ta8_rtc_release, + .ioctl = stk17ta8_rtc_ioctl, +}; + +static ssize_t stk17ta8_nvram_read(struct kobject *kobj, char *buf, + loff_t pos, size_t size) +{ + struct platform_device *pdev = + to_platform_device(container_of(kobj, struct device, kobj)); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + void __iomem *ioaddr = pdata->ioaddr; + ssize_t count; + + for (count = 0; size > 0 && pos < RTC_OFFSET; count++, size--) + *buf++ = readb(ioaddr + pos++); + return count; +} + +static ssize_t stk17ta8_nvram_write(struct kobject *kobj, char *buf, + loff_t pos, size_t size) +{ + struct platform_device *pdev = + to_platform_device(container_of(kobj, struct device, kobj)); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + void __iomem *ioaddr = pdata->ioaddr; + ssize_t count; + + for (count = 0; size > 0 && pos < RTC_OFFSET; count++, size--) + writeb(*buf++, ioaddr + pos++); + return count; +} + +static struct bin_attribute stk17ta8_nvram_attr = { + .attr = { + .name = "nvram", + .mode = S_IRUGO | S_IWUGO, + .owner = THIS_MODULE, + }, + .size = RTC_OFFSET, + .read = stk17ta8_nvram_read, + .write = stk17ta8_nvram_write, +}; + +static int __init stk17ta8_rtc_probe(struct platform_device *pdev) +{ + struct rtc_device *rtc; + struct resource *res; + unsigned int cal; + unsigned int flags; + struct rtc_plat_data *pdata; + void __iomem *ioaddr = NULL; + int ret = 0; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + pdata->irq = -1; + if (!request_mem_region(res->start, RTC_REG_SIZE, pdev->name)) { + ret = -EBUSY; + goto out; + } + pdata->baseaddr = res->start; + ioaddr = ioremap(pdata->baseaddr, RTC_REG_SIZE); + if (!ioaddr) { + ret = -ENOMEM; + goto out; + } + pdata->ioaddr = ioaddr; + pdata->irq = platform_get_irq(pdev, 0); + + /* turn RTC on if it was not on */ + cal = readb(ioaddr + RTC_CALIBRATION); + if (cal & RTC_STOP) { + cal &= RTC_CAL_MASK; + flags = readb(ioaddr + RTC_FLAGS); + writeb(flags | RTC_WRITE, ioaddr + RTC_FLAGS); + writeb(cal, ioaddr + RTC_CALIBRATION); + writeb(flags & ~RTC_WRITE, ioaddr + RTC_FLAGS); + } + if (readb(ioaddr + RTC_FLAGS) & RTC_FLAGS_PF) + dev_warn(&pdev->dev, "voltage-low detected.\n"); + + if (pdata->irq >= 0) { + writeb(0, ioaddr + RTC_INTERRUPTS); + if (request_irq(pdata->irq, stk17ta8_rtc_interrupt, + IRQF_DISABLED | IRQF_SHARED, + pdev->name, pdev) < 0) { + dev_warn(&pdev->dev, "interrupt not available.\n"); + pdata->irq = -1; + } + } + + rtc = rtc_device_register(pdev->name, &pdev->dev, + &stk17ta8_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) { + ret = PTR_ERR(rtc); + goto out; + } + pdata->rtc = rtc; + pdata->last_jiffies = jiffies; + platform_set_drvdata(pdev, pdata); + ret = sysfs_create_bin_file(&pdev->dev.kobj, &stk17ta8_nvram_attr); + if (ret) + goto out; + return 0; + out: + if (pdata->rtc) + rtc_device_unregister(pdata->rtc); + if (pdata->irq >= 0) + free_irq(pdata->irq, pdev); + if (ioaddr) + iounmap(ioaddr); + if (pdata->baseaddr) + release_mem_region(pdata->baseaddr, RTC_REG_SIZE); + kfree(pdata); + return ret; +} + +static int __devexit stk17ta8_rtc_remove(struct platform_device *pdev) +{ + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + + sysfs_remove_bin_file(&pdev->dev.kobj, &stk17ta8_nvram_attr); + rtc_device_unregister(pdata->rtc); + if (pdata->irq >= 0) { + writeb(0, pdata->ioaddr + RTC_INTERRUPTS); + free_irq(pdata->irq, pdev); + } + iounmap(pdata->ioaddr); + release_mem_region(pdata->baseaddr, RTC_REG_SIZE); + kfree(pdata); + return 0; +} + +static struct platform_driver stk17ta8_rtc_driver = { + .probe = stk17ta8_rtc_probe, + .remove = __devexit_p(stk17ta8_rtc_remove), + .driver = { + .name = "stk17ta8", + .owner = THIS_MODULE, + }, +}; + +static __init int stk17ta8_init(void) +{ + return platform_driver_register(&stk17ta8_rtc_driver); +} + +static __exit void stk17ta8_exit(void) +{ + return platform_driver_unregister(&stk17ta8_rtc_driver); +} + +module_init(stk17ta8_init); +module_exit(stk17ta8_exit); + +MODULE_AUTHOR("Thomas Hommel <thomas.hommel@gefanuc.com>"); +MODULE_DESCRIPTION("Simtek STK17TA8 RTC driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 0f868955715..86a7ba7bad6 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -132,6 +132,7 @@ obj-$(CONFIG_SCSI_IBMVSCSI) += ibmvscsi/ obj-$(CONFIG_SCSI_IBMVSCSIS) += ibmvscsi/ obj-$(CONFIG_SCSI_HPTIOP) += hptiop.o obj-$(CONFIG_SCSI_STEX) += stex.o +obj-$(CONFIG_PS3_ROM) += ps3rom.o obj-$(CONFIG_ARM) += arm/ diff --git a/drivers/scsi/ps3rom.c b/drivers/scsi/ps3rom.c new file mode 100644 index 00000000000..b50f1e14f2a --- /dev/null +++ b/drivers/scsi/ps3rom.c @@ -0,0 +1,533 @@ +/* + * PS3 BD/DVD/CD-ROM Storage Driver + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony 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. + * + * 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/cdrom.h> +#include <linux/highmem.h> + +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_dbg.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_host.h> + +#include <asm/lv1call.h> +#include <asm/ps3stor.h> + + +#define DEVICE_NAME "ps3rom" + +#define BOUNCE_SIZE (64*1024) + +#define PS3ROM_MAX_SECTORS (BOUNCE_SIZE / CD_FRAMESIZE) + + +struct ps3rom_private { + struct ps3_storage_device *dev; + struct scsi_cmnd *curr_cmd; +}; + + +#define LV1_STORAGE_SEND_ATAPI_COMMAND (1) + +struct lv1_atapi_cmnd_block { + u8 pkt[32]; /* packet command block */ + u32 pktlen; /* should be 12 for ATAPI 8020 */ + u32 blocks; + u32 block_size; + u32 proto; /* transfer mode */ + u32 in_out; /* transfer direction */ + u64 buffer; /* parameter except command block */ + u32 arglen; /* length above */ +}; + +enum lv1_atapi_proto { + NON_DATA_PROTO = 0, + PIO_DATA_IN_PROTO = 1, + PIO_DATA_OUT_PROTO = 2, + DMA_PROTO = 3 +}; + +enum lv1_atapi_in_out { + DIR_WRITE = 0, /* memory -> device */ + DIR_READ = 1 /* device -> memory */ +}; + + +static int ps3rom_slave_configure(struct scsi_device *scsi_dev) +{ + struct ps3rom_private *priv = shost_priv(scsi_dev->host); + struct ps3_storage_device *dev = priv->dev; + + dev_dbg(&dev->sbd.core, "%s:%u: id %u, lun %u, channel %u\n", __func__, + __LINE__, scsi_dev->id, scsi_dev->lun, scsi_dev->channel); + + /* + * ATAPI SFF8020 devices use MODE_SENSE_10, + * so we can prohibit MODE_SENSE_6 + */ + scsi_dev->use_10_for_ms = 1; + + /* we don't support {READ,WRITE}_6 */ + scsi_dev->use_10_for_rw = 1; + + return 0; +} + +/* + * copy data from device into scatter/gather buffer + */ +static int fill_from_dev_buffer(struct scsi_cmnd *cmd, const void *buf) +{ + int k, req_len, act_len, len, active; + void *kaddr; + struct scatterlist *sgpnt; + unsigned int buflen; + + buflen = cmd->request_bufflen; + if (!buflen) + return 0; + + if (!cmd->request_buffer) + return -1; + + sgpnt = cmd->request_buffer; + active = 1; + for (k = 0, req_len = 0, act_len = 0; k < cmd->use_sg; ++k, ++sgpnt) { + if (active) { + kaddr = kmap_atomic(sgpnt->page, KM_IRQ0); + len = sgpnt->length; + if ((req_len + len) > buflen) { + active = 0; + len = buflen - req_len; + } + memcpy(kaddr + sgpnt->offset, buf + req_len, len); + flush_kernel_dcache_page(sgpnt->page); + kunmap_atomic(kaddr, KM_IRQ0); + act_len += len; + } + req_len += sgpnt->length; + } + cmd->resid = req_len - act_len; + return 0; +} + +/* + * copy data from scatter/gather into device's buffer + */ +static int fetch_to_dev_buffer(struct scsi_cmnd *cmd, void *buf) +{ + int k, req_len, len, fin; + void *kaddr; + struct scatterlist *sgpnt; + unsigned int buflen; + + buflen = cmd->request_bufflen; + if (!buflen) + return 0; + + if (!cmd->request_buffer) + return -1; + + sgpnt = cmd->request_buffer; + for (k = 0, req_len = 0, fin = 0; k < cmd->use_sg; ++k, ++sgpnt) { + kaddr = kmap_atomic(sgpnt->page, KM_IRQ0); + len = sgpnt->length; + if ((req_len + len) > buflen) { + len = buflen - req_len; + fin = 1; + } + memcpy(buf + req_len, kaddr + sgpnt->offset, len); + kunmap_atomic(kaddr, KM_IRQ0); + if (fin) + return req_len + len; + req_len += sgpnt->length; + } + return req_len; +} + +static int ps3rom_atapi_request(struct ps3_storage_device *dev, + struct scsi_cmnd *cmd) +{ + struct lv1_atapi_cmnd_block atapi_cmnd; + unsigned char opcode = cmd->cmnd[0]; + int res; + u64 lpar; + + dev_dbg(&dev->sbd.core, "%s:%u: send ATAPI command 0x%02x\n", __func__, + __LINE__, opcode); + + memset(&atapi_cmnd, 0, sizeof(struct lv1_atapi_cmnd_block)); + memcpy(&atapi_cmnd.pkt, cmd->cmnd, 12); + atapi_cmnd.pktlen = 12; + atapi_cmnd.block_size = 1; /* transfer size is block_size * blocks */ + atapi_cmnd.blocks = atapi_cmnd.arglen = cmd->request_bufflen; + atapi_cmnd.buffer = dev->bounce_lpar; + + switch (cmd->sc_data_direction) { + case DMA_FROM_DEVICE: + if (cmd->request_bufflen >= CD_FRAMESIZE) + atapi_cmnd.proto = DMA_PROTO; + else + atapi_cmnd.proto = PIO_DATA_IN_PROTO; + atapi_cmnd.in_out = DIR_READ; + break; + + case DMA_TO_DEVICE: + if (cmd->request_bufflen >= CD_FRAMESIZE) + atapi_cmnd.proto = DMA_PROTO; + else + atapi_cmnd.proto = PIO_DATA_OUT_PROTO; + atapi_cmnd.in_out = DIR_WRITE; + res = fetch_to_dev_buffer(cmd, dev->bounce_buf); + if (res < 0) + return DID_ERROR << 16; + break; + + default: + atapi_cmnd.proto = NON_DATA_PROTO; + break; + } + + lpar = ps3_mm_phys_to_lpar(__pa(&atapi_cmnd)); + res = lv1_storage_send_device_command(dev->sbd.dev_id, + LV1_STORAGE_SEND_ATAPI_COMMAND, + lpar, sizeof(atapi_cmnd), + atapi_cmnd.buffer, + atapi_cmnd.arglen, &dev->tag); + if (res == LV1_DENIED_BY_POLICY) { + dev_dbg(&dev->sbd.core, + "%s:%u: ATAPI command 0x%02x denied by policy\n", + __func__, __LINE__, opcode); + return DID_ERROR << 16; + } + + if (res) { + dev_err(&dev->sbd.core, + "%s:%u: ATAPI command 0x%02x failed %d\n", __func__, + __LINE__, opcode, res); + return DID_ERROR << 16; + } + + return 0; +} + +static inline unsigned int srb10_lba(const struct scsi_cmnd *cmd) +{ + return cmd->cmnd[2] << 24 | cmd->cmnd[3] << 16 | cmd->cmnd[4] << 8 | + cmd->cmnd[5]; +} + +static inline unsigned int srb10_len(const struct scsi_cmnd *cmd) +{ + return cmd->cmnd[7] << 8 | cmd->cmnd[8]; +} + +static int ps3rom_read_request(struct ps3_storage_device *dev, + struct scsi_cmnd *cmd, u32 start_sector, + u32 sectors) +{ + int res; + + dev_dbg(&dev->sbd.core, "%s:%u: read %u sectors starting at %u\n", + __func__, __LINE__, sectors, start_sector); + + res = lv1_storage_read(dev->sbd.dev_id, + dev->regions[dev->region_idx].id, start_sector, + sectors, 0, dev->bounce_lpar, &dev->tag); + if (res) { + dev_err(&dev->sbd.core, "%s:%u: read failed %d\n", __func__, + __LINE__, res); + return DID_ERROR << 16; + } + + return 0; +} + +static int ps3rom_write_request(struct ps3_storage_device *dev, + struct scsi_cmnd *cmd, u32 start_sector, + u32 sectors) +{ + int res; + + dev_dbg(&dev->sbd.core, "%s:%u: write %u sectors starting at %u\n", + __func__, __LINE__, sectors, start_sector); + + res = fetch_to_dev_buffer(cmd, dev->bounce_buf); + if (res < 0) + return DID_ERROR << 16; + + res = lv1_storage_write(dev->sbd.dev_id, + dev->regions[dev->region_idx].id, start_sector, + sectors, 0, dev->bounce_lpar, &dev->tag); + if (res) { + dev_err(&dev->sbd.core, "%s:%u: write failed %d\n", __func__, + __LINE__, res); + return DID_ERROR << 16; + } + + return 0; +} + +static int ps3rom_queuecommand(struct scsi_cmnd *cmd, + void (*done)(struct scsi_cmnd *)) +{ + struct ps3rom_private *priv = shost_priv(cmd->device->host); + struct ps3_storage_device *dev = priv->dev; + unsigned char opcode; + int res; + +#ifdef DEBUG + scsi_print_command(cmd); +#endif + + priv->curr_cmd = cmd; + cmd->scsi_done = done; + + opcode = cmd->cmnd[0]; + /* + * While we can submit READ/WRITE SCSI commands as ATAPI commands, + * it's recommended for various reasons (performance, error handling, + * ...) to use lv1_storage_{read,write}() instead + */ + switch (opcode) { + case READ_10: + res = ps3rom_read_request(dev, cmd, srb10_lba(cmd), + srb10_len(cmd)); + break; + + case WRITE_10: + res = ps3rom_write_request(dev, cmd, srb10_lba(cmd), + srb10_len(cmd)); + break; + + default: + res = ps3rom_atapi_request(dev, cmd); + break; + } + + if (res) { + memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); + cmd->result = res; + cmd->sense_buffer[0] = 0x70; + cmd->sense_buffer[2] = ILLEGAL_REQUEST; + priv->curr_cmd = NULL; + cmd->scsi_done(cmd); + } + + return 0; +} + +static int decode_lv1_status(u64 status, unsigned char *sense_key, + unsigned char *asc, unsigned char *ascq) +{ + if (((status >> 24) & 0xff) != SAM_STAT_CHECK_CONDITION) + return -1; + + *sense_key = (status >> 16) & 0xff; + *asc = (status >> 8) & 0xff; + *ascq = status & 0xff; + return 0; +} + +static irqreturn_t ps3rom_interrupt(int irq, void *data) +{ + struct ps3_storage_device *dev = data; + struct Scsi_Host *host; + struct ps3rom_private *priv; + struct scsi_cmnd *cmd; + int res; + u64 tag, status; + unsigned char sense_key, asc, ascq; + + res = lv1_storage_get_async_status(dev->sbd.dev_id, &tag, &status); + /* + * status = -1 may mean that ATAPI transport completed OK, but + * ATAPI command itself resulted CHECK CONDITION + * so, upper layer should issue REQUEST_SENSE to check the sense data + */ + + if (tag != dev->tag) + dev_err(&dev->sbd.core, + "%s:%u: tag mismatch, got %lx, expected %lx\n", + __func__, __LINE__, tag, dev->tag); + + if (res) { + dev_err(&dev->sbd.core, "%s:%u: res=%d status=0x%lx\n", + __func__, __LINE__, res, status); + return IRQ_HANDLED; + } + + host = dev->sbd.core.driver_data; + priv = shost_priv(host); + cmd = priv->curr_cmd; + + if (!status) { + /* OK, completed */ + if (cmd->sc_data_direction == DMA_FROM_DEVICE) { + res = fill_from_dev_buffer(cmd, dev->bounce_buf); + if (res) { + cmd->result = DID_ERROR << 16; + goto done; + } + } + cmd->result = DID_OK << 16; + goto done; + } + + if (cmd->cmnd[0] == REQUEST_SENSE) { + /* SCSI spec says request sense should never get error */ + dev_err(&dev->sbd.core, "%s:%u: end error without autosense\n", + __func__, __LINE__); + cmd->result = DID_ERROR << 16 | SAM_STAT_CHECK_CONDITION; + goto done; + } + + if (decode_lv1_status(status, &sense_key, &asc, &ascq)) { + cmd->result = DID_ERROR << 16; + goto done; + } + + cmd->sense_buffer[0] = 0x70; + cmd->sense_buffer[2] = sense_key; + cmd->sense_buffer[7] = 16 - 6; + cmd->sense_buffer[12] = asc; + cmd->sense_buffer[13] = ascq; + cmd->result = SAM_STAT_CHECK_CONDITION; + +done: + priv->curr_cmd = NULL; + cmd->scsi_done(cmd); + return IRQ_HANDLED; +} + +static struct scsi_host_template ps3rom_host_template = { + .name = DEVICE_NAME, + .slave_configure = ps3rom_slave_configure, + .queuecommand = ps3rom_queuecommand, + .can_queue = 1, + .this_id = 7, + .sg_tablesize = SG_ALL, + .cmd_per_lun = 1, + .emulated = 1, /* only sg driver uses this */ + .max_sectors = PS3ROM_MAX_SECTORS, + .use_clustering = ENABLE_CLUSTERING, + .module = THIS_MODULE, +}; + + +static int __devinit ps3rom_probe(struct ps3_system_bus_device *_dev) +{ + struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); + int error; + struct Scsi_Host *host; + struct ps3rom_private *priv; + + if (dev->blk_size != CD_FRAMESIZE) { + dev_err(&dev->sbd.core, + "%s:%u: cannot handle block size %lu\n", __func__, + __LINE__, dev->blk_size); + return -EINVAL; + } + + dev->bounce_size = BOUNCE_SIZE; + dev->bounce_buf = kmalloc(BOUNCE_SIZE, GFP_DMA); + if (!dev->bounce_buf) + return -ENOMEM; + + error = ps3stor_setup(dev, ps3rom_interrupt); + if (error) + goto fail_free_bounce; + + host = scsi_host_alloc(&ps3rom_host_template, + sizeof(struct ps3rom_private)); + if (!host) { + dev_err(&dev->sbd.core, "%s:%u: scsi_host_alloc failed\n", + __func__, __LINE__); + goto fail_teardown; + } + + priv = shost_priv(host); + dev->sbd.core.driver_data = host; + priv->dev = dev; + + /* One device/LUN per SCSI bus */ + host->max_id = 1; + host->max_lun = 1; + + error = scsi_add_host(host, &dev->sbd.core); + if (error) { + dev_err(&dev->sbd.core, "%s:%u: scsi_host_alloc failed %d\n", + __func__, __LINE__, error); + error = -ENODEV; + goto fail_host_put; + } + + scsi_scan_host(host); + return 0; + +fail_host_put: + scsi_host_put(host); + dev->sbd.core.driver_data = NULL; +fail_teardown: + ps3stor_teardown(dev); +fail_free_bounce: + kfree(dev->bounce_buf); + return error; +} + +static int ps3rom_remove(struct ps3_system_bus_device *_dev) +{ + struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); + struct Scsi_Host *host = dev->sbd.core.driver_data; + + scsi_remove_host(host); + ps3stor_teardown(dev); + scsi_host_put(host); + dev->sbd.core.driver_data = NULL; + kfree(dev->bounce_buf); + return 0; +} + +static struct ps3_system_bus_driver ps3rom = { + .match_id = PS3_MATCH_ID_STOR_ROM, + .core.name = DEVICE_NAME, + .core.owner = THIS_MODULE, + .probe = ps3rom_probe, + .remove = ps3rom_remove +}; + + +static int __init ps3rom_init(void) +{ + return ps3_system_bus_driver_register(&ps3rom); +} + +static void __exit ps3rom_exit(void) +{ + ps3_system_bus_driver_unregister(&ps3rom); +} + +module_init(ps3rom_init); +module_exit(ps3rom_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("PS3 BD/DVD/CD-ROM Storage Driver"); +MODULE_AUTHOR("Sony Corporation"); +MODULE_ALIAS(PS3_MODULE_ALIAS_STOR_ROM); diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 018884d7a5f..b05de30b5d9 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -303,8 +303,7 @@ spi_register_board_info(struct spi_board_info const *info, unsigned n) * creates board info from kernel command lines */ -static void __init_or_module -scan_boardinfo(struct spi_master *master) +static void scan_boardinfo(struct spi_master *master) { struct boardinfo *bi; struct device *dev = master->cdev.dev; diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 0c5644bb59a..564cc9b5182 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -12,6 +12,13 @@ config VGASTATE tristate default n +config VIDEO_OUTPUT_CONTROL + tristate "Lowlevel video output switch controls" + default m + help + This framework adds support for low-level control of the video + output switch. + config FB tristate "Support for frame buffer devices" ---help--- @@ -849,6 +856,16 @@ config FB_INTSRAM Say Y if you want to map Frame Buffer in internal SRAM. Say N if you want to let frame buffer in external SDRAM. +config FB_ATMEL_STN + bool "Use a STN display with AT91/AT32 LCD Controller" + depends on FB_ATMEL && MACH_AT91SAM9261EK + default n + help + Say Y if you want to connect a STN LCD display to the AT91/AT32 LCD + Controller. Say N if you want to connect a TFT. + + If unsure, say N. + config FB_NVIDIA tristate "nVidia Framebuffer Support" depends on FB && PCI @@ -1796,13 +1813,14 @@ config FB_PS3 select FB_SYS_COPYAREA select FB_SYS_IMAGEBLIT select FB_SYS_FOPS + select VT_HW_CONSOLE_BINDING if FRAMEBUFFER_CONSOLE ---help--- Include support for the virtual frame buffer in the PS3 platform. config FB_PS3_DEFAULT_SIZE_M int "PS3 default frame buffer size (in MiB)" depends on FB_PS3 - default 18 + default 9 ---help--- This is the default size (in MiB) of the virtual frame buffer in the PS3. diff --git a/drivers/video/Makefile b/drivers/video/Makefile index a562f9d69d2..518933d4905 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -123,3 +123,6 @@ obj-$(CONFIG_FB_OF) += offb.o # the test framebuffer is last obj-$(CONFIG_FB_VIRTUAL) += vfb.o + +#video output switch sysfs driver +obj-$(CONFIG_VIDEO_OUTPUT_CONTROL) += output.o diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index e1d5bd0c98c..235b618b411 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -79,6 +79,29 @@ static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = { .accel = FB_ACCEL_NONE, }; +static unsigned long compute_hozval(unsigned long xres, unsigned long lcdcon2) +{ + unsigned long value; + + if (!(cpu_is_at91sam9261() || cpu_is_at32ap7000())) + return xres; + + value = xres; + if ((lcdcon2 & ATMEL_LCDC_DISTYPE) != ATMEL_LCDC_DISTYPE_TFT) { + /* STN display */ + if ((lcdcon2 & ATMEL_LCDC_DISTYPE) == ATMEL_LCDC_DISTYPE_STNCOLOR) { + value *= 3; + } + if ( (lcdcon2 & ATMEL_LCDC_IFWIDTH) == ATMEL_LCDC_IFWIDTH_4 + || ( (lcdcon2 & ATMEL_LCDC_IFWIDTH) == ATMEL_LCDC_IFWIDTH_8 + && (lcdcon2 & ATMEL_LCDC_SCANMOD) == ATMEL_LCDC_SCANMOD_DUAL )) + value = DIV_ROUND_UP(value, 4); + else + value = DIV_ROUND_UP(value, 8); + } + + return value; +} static void atmel_lcdfb_update_dma(struct fb_info *info, struct fb_var_screeninfo *var) @@ -181,6 +204,7 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, var->xoffset = var->yoffset = 0; switch (var->bits_per_pixel) { + case 1: case 2: case 4: case 8: @@ -195,8 +219,11 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, var->blue.offset = 10; var->red.length = var->green.length = var->blue.length = 5; break; - case 24: case 32: + var->transp.offset = 24; + var->transp.length = 8; + /* fall through */ + case 24: var->red.offset = 0; var->green.offset = 8; var->blue.offset = 16; @@ -228,8 +255,10 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, static int atmel_lcdfb_set_par(struct fb_info *info) { struct atmel_lcdfb_info *sinfo = info->par; + unsigned long hozval_linesz; unsigned long value; unsigned long clk_value_khz; + unsigned long bits_per_line; dev_dbg(info->device, "%s:\n", __func__); dev_dbg(info->device, " * resolution: %ux%u (%ux%u virtual)\n", @@ -241,12 +270,15 @@ static int atmel_lcdfb_set_par(struct fb_info *info) lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0); - if (info->var.bits_per_pixel <= 8) + if (info->var.bits_per_pixel == 1) + info->fix.visual = FB_VISUAL_MONO01; + else if (info->var.bits_per_pixel <= 8) info->fix.visual = FB_VISUAL_PSEUDOCOLOR; else info->fix.visual = FB_VISUAL_TRUECOLOR; - info->fix.line_length = info->var.xres_virtual * (info->var.bits_per_pixel / 8); + bits_per_line = info->var.xres_virtual * info->var.bits_per_pixel; + info->fix.line_length = DIV_ROUND_UP(bits_per_line, 8); /* Re-initialize the DMA engine... */ dev_dbg(info->device, " * update DMA engine\n"); @@ -262,18 +294,21 @@ static int atmel_lcdfb_set_par(struct fb_info *info) /* Set pixel clock */ clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000; - value = clk_value_khz / PICOS2KHZ(info->var.pixclock); - - if (clk_value_khz % PICOS2KHZ(info->var.pixclock)) - value++; + value = DIV_ROUND_UP(clk_value_khz, PICOS2KHZ(info->var.pixclock)); value = (value / 2) - 1; + dev_dbg(info->device, " * programming CLKVAL = 0x%08lx\n", value); if (value <= 0) { dev_notice(info->device, "Bypassing pixel clock divider\n"); lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS); - } else + } else { lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, value << ATMEL_LCDC_CLKVAL_OFFSET); + info->var.pixclock = KHZ2PICOS(clk_value_khz / (2 * (value + 1))); + dev_dbg(info->device, " updated pixclk: %lu KHz\n", + PICOS2KHZ(info->var.pixclock)); + } + /* Initialize control register 2 */ value = sinfo->default_lcdcon2; @@ -311,9 +346,14 @@ static int atmel_lcdfb_set_par(struct fb_info *info) dev_dbg(info->device, " * LCDTIM2 = %08lx\n", value); lcdc_writel(sinfo, ATMEL_LCDC_TIM2, value); + /* Horizontal value (aka line size) */ + hozval_linesz = compute_hozval(info->var.xres, + lcdc_readl(sinfo, ATMEL_LCDC_LCDCON2)); + /* Display size */ - value = (info->var.xres - 1) << ATMEL_LCDC_HOZVAL_OFFSET; + value = (hozval_linesz - 1) << ATMEL_LCDC_HOZVAL_OFFSET; value |= info->var.yres - 1; + dev_dbg(info->device, " * LCDFRMCFG = %08lx\n", value); lcdc_writel(sinfo, ATMEL_LCDC_LCDFRMCFG, value); /* FIFO Threshold: Use formula from data sheet */ @@ -421,6 +461,15 @@ static int atmel_lcdfb_setcolreg(unsigned int regno, unsigned int red, ret = 0; } break; + + case FB_VISUAL_MONO01: + if (regno < 2) { + val = (regno == 0) ? 0x00 : 0x1F; + lcdc_writel(sinfo, ATMEL_LCDC_LUT(regno), val); + ret = 0; + } + break; + } return ret; diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index f46fe95f69f..d18b73aafa0 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -187,7 +187,11 @@ static void vgacon_scrollback_init(int pitch) } } -static void vgacon_scrollback_startup(void) +/* + * Called only duing init so call of alloc_bootmen is ok. + * Marked __init_refok to silence modpost. + */ +static void __init_refok vgacon_scrollback_startup(void) { vgacon_scrollback = alloc_bootmem(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE * 1024); diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c index 3972aa8cf85..646ec823c16 100644 --- a/drivers/video/ps3fb.c +++ b/drivers/video/ps3fb.c @@ -1067,7 +1067,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) info->fix.smem_len = ps3fb_videomemory.size - offset; info->pseudo_palette = info->par; info->par = NULL; - info->flags = FBINFO_FLAG_DEFAULT; + info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST; retval = fb_alloc_cmap(&info->cmap, 256, 0); if (retval < 0) diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index 0fe547842c6..41381e61832 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c @@ -2146,7 +2146,7 @@ static void __devexit rivafb_remove(struct pci_dev *pd) * ------------------------------------------------------------------------- */ #ifndef MODULE -static int __init rivafb_setup(char *options) +static int __devinit rivafb_setup(char *options) { char *this_opt; diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index ba24cb2ff6c..4482a0673b1 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -45,7 +45,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs); static int load_elf_library(struct file *); -static unsigned long elf_map (struct file *, unsigned long, struct elf_phdr *, int, int, unsigned long); +static unsigned long elf_map (struct file *, unsigned long, struct elf_phdr *, int, int); /* * If we don't support core dumping, then supply a NULL so we @@ -80,7 +80,7 @@ static struct linux_binfmt elf_format = { .hasvdso = 1 }; -#define BAD_ADDR(x) IS_ERR_VALUE(x) +#define BAD_ADDR(x) ((unsigned long)(x) >= TASK_SIZE) static int set_brk(unsigned long start, unsigned long end) { @@ -295,70 +295,33 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, #ifndef elf_map static unsigned long elf_map(struct file *filep, unsigned long addr, - struct elf_phdr *eppnt, int prot, int type, - unsigned long total_size) + struct elf_phdr *eppnt, int prot, int type) { unsigned long map_addr; - unsigned long size = eppnt->p_filesz + ELF_PAGEOFFSET(eppnt->p_vaddr); - unsigned long off = eppnt->p_offset - ELF_PAGEOFFSET(eppnt->p_vaddr); - addr = ELF_PAGESTART(addr); - size = ELF_PAGEALIGN(size); + unsigned long pageoffset = ELF_PAGEOFFSET(eppnt->p_vaddr); + down_write(¤t->mm->mmap_sem); /* mmap() will return -EINVAL if given a zero size, but a * segment with zero filesize is perfectly valid */ - if (!size) - return addr; - - down_write(¤t->mm->mmap_sem); - /* - * total_size is the size of the ELF (interpreter) image. - * The _first_ mmap needs to know the full size, otherwise - * randomization might put this image into an overlapping - * position with the ELF binary image. (since size < total_size) - * So we first map the 'big' image - and unmap the remainder at - * the end. (which unmap is needed for ELF images with holes.) - */ - if (total_size) { - total_size = ELF_PAGEALIGN(total_size); - map_addr = do_mmap(filep, addr, total_size, prot, type, off); - if (!BAD_ADDR(map_addr)) - do_munmap(current->mm, map_addr+size, total_size-size); - } else - map_addr = do_mmap(filep, addr, size, prot, type, off); - + if (eppnt->p_filesz + pageoffset) + map_addr = do_mmap(filep, ELF_PAGESTART(addr), + eppnt->p_filesz + pageoffset, prot, type, + eppnt->p_offset - pageoffset); + else + map_addr = ELF_PAGESTART(addr); up_write(¤t->mm->mmap_sem); return(map_addr); } #endif /* !elf_map */ -static unsigned long total_mapping_size(struct elf_phdr *cmds, int nr) -{ - int i, first_idx = -1, last_idx = -1; - - for (i = 0; i < nr; i++) { - if (cmds[i].p_type == PT_LOAD) { - last_idx = i; - if (first_idx == -1) - first_idx = i; - } - } - if (first_idx == -1) - return 0; - - return cmds[last_idx].p_vaddr + cmds[last_idx].p_memsz - - ELF_PAGESTART(cmds[first_idx].p_vaddr); -} - - /* This is much more generalized than the library routine read function, so we keep this separate. Technically the library read function is only provided so that we can read a.out libraries that have an ELF header */ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, - struct file *interpreter, unsigned long *interp_map_addr, - unsigned long no_base) + struct file *interpreter, unsigned long *interp_load_addr) { struct elf_phdr *elf_phdata; struct elf_phdr *eppnt; @@ -366,7 +329,6 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, int load_addr_set = 0; unsigned long last_bss = 0, elf_bss = 0; unsigned long error = ~0UL; - unsigned long total_size; int retval, i, size; /* First of all, some simple consistency checks */ @@ -405,12 +367,6 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, goto out_close; } - total_size = total_mapping_size(elf_phdata, interp_elf_ex->e_phnum); - if (!total_size) { - error = -EINVAL; - goto out_close; - } - eppnt = elf_phdata; for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) { if (eppnt->p_type == PT_LOAD) { @@ -428,14 +384,9 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, vaddr = eppnt->p_vaddr; if (interp_elf_ex->e_type == ET_EXEC || load_addr_set) elf_type |= MAP_FIXED; - else if (no_base && interp_elf_ex->e_type == ET_DYN) - load_addr = -vaddr; map_addr = elf_map(interpreter, load_addr + vaddr, - eppnt, elf_prot, elf_type, total_size); - total_size = 0; - if (!*interp_map_addr) - *interp_map_addr = map_addr; + eppnt, elf_prot, elf_type); error = map_addr; if (BAD_ADDR(map_addr)) goto out_close; @@ -501,7 +452,8 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, goto out_close; } - error = load_addr; + *interp_load_addr = load_addr; + error = ((unsigned long)interp_elf_ex->e_entry) + load_addr; out_close: kfree(elf_phdata); @@ -598,8 +550,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) int elf_exec_fileno; int retval, i; unsigned int size; - unsigned long elf_entry; - unsigned long interp_load_addr = 0; + unsigned long elf_entry, interp_load_addr = 0; unsigned long start_code, end_code, start_data, end_data; unsigned long reloc_func_desc = 0; char passed_fileno[6]; @@ -863,7 +814,9 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) current->mm->start_stack = bprm->p; /* Now we do a little grungy work by mmaping the ELF image into - the correct location in memory. */ + the correct location in memory. At this point, we assume that + the image should be loaded at fixed address, not at a variable + address. */ for(i = 0, elf_ppnt = elf_phdata; i < loc->elf_ex.e_phnum; i++, elf_ppnt++) { int elf_prot = 0, elf_flags; @@ -917,15 +870,11 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) * default mmap base, as well as whatever program they * might try to exec. This is because the brk will * follow the loader, and is not movable. */ -#ifdef CONFIG_X86 - load_bias = 0; -#else load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr); -#endif } error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt, - elf_prot, elf_flags,0); + elf_prot, elf_flags); if (BAD_ADDR(error)) { send_sig(SIGKILL, current, 0); retval = IS_ERR((void *)error) ? @@ -1001,25 +950,13 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) } if (elf_interpreter) { - if (interpreter_type == INTERPRETER_AOUT) { + if (interpreter_type == INTERPRETER_AOUT) elf_entry = load_aout_interp(&loc->interp_ex, interpreter); - } else { - unsigned long uninitialized_var(interp_map_addr); - + else elf_entry = load_elf_interp(&loc->interp_elf_ex, interpreter, - &interp_map_addr, - load_bias); - if (!BAD_ADDR(elf_entry)) { - /* - * load_elf_interp() returns relocation - * adjustment - */ - interp_load_addr = elf_entry; - elf_entry += loc->interp_elf_ex.e_entry; - } - } + &interp_load_addr); if (BAD_ADDR(elf_entry)) { force_sig(SIGSEGV, current); retval = IS_ERR((void *)elf_entry) ? diff --git a/fs/coda/dir.c b/fs/coda/dir.c index 8e61236abf4..f89ff083079 100644 --- a/fs/coda/dir.c +++ b/fs/coda/dir.c @@ -86,7 +86,6 @@ const struct file_operations coda_dir_operations = { .read = generic_read_dir, .readdir = coda_readdir, .open = coda_open, - .flush = coda_flush, .release = coda_release, .fsync = coda_fsync, }; diff --git a/fs/coda/file.c b/fs/coda/file.c index 7594962604c..29137ff3ca6 100644 --- a/fs/coda/file.c +++ b/fs/coda/file.c @@ -25,10 +25,6 @@ #include "coda_int.h" -/* if CODA_STORE fails with EOPNOTSUPP, venus clearly doesn't support - * CODA_STORE/CODA_RELEASE and we fall back on using the CODA_CLOSE upcall */ -static int use_coda_close; - static ssize_t coda_file_read(struct file *coda_file, char __user *buf, size_t count, loff_t *ppos) { @@ -163,47 +159,6 @@ int coda_open(struct inode *coda_inode, struct file *coda_file) return 0; } -int coda_flush(struct file *coda_file, fl_owner_t id) -{ - unsigned short flags = coda_file->f_flags & ~O_EXCL; - unsigned short coda_flags = coda_flags_to_cflags(flags); - struct coda_file_info *cfi; - struct inode *coda_inode; - int err = 0, fcnt; - - lock_kernel(); - - /* last close semantics */ - fcnt = file_count(coda_file); - if (fcnt > 1) - goto out; - - /* No need to make an upcall when we have not made any modifications - * to the file */ - if ((coda_file->f_flags & O_ACCMODE) == O_RDONLY) - goto out; - - if (use_coda_close) - goto out; - - cfi = CODA_FTOC(coda_file); - BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC); - - coda_inode = coda_file->f_path.dentry->d_inode; - - err = venus_store(coda_inode->i_sb, coda_i2f(coda_inode), coda_flags, - coda_file->f_uid); - - if (err == -EOPNOTSUPP) { - use_coda_close = 1; - err = 0; - } - -out: - unlock_kernel(); - return err; -} - int coda_release(struct inode *coda_inode, struct file *coda_file) { unsigned short flags = (coda_file->f_flags) & (~O_EXCL); @@ -215,21 +170,11 @@ int coda_release(struct inode *coda_inode, struct file *coda_file) lock_kernel(); - if (!use_coda_close) { - err = venus_release(coda_inode->i_sb, coda_i2f(coda_inode), - coda_flags); - if (err == -EOPNOTSUPP) { - use_coda_close = 1; - err = 0; - } - } - cfi = CODA_FTOC(coda_file); BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC); - if (use_coda_close) - err = venus_close(coda_inode->i_sb, coda_i2f(coda_inode), - coda_flags, coda_file->f_uid); + err = venus_close(coda_inode->i_sb, coda_i2f(coda_inode), + coda_flags, coda_file->f_uid); host_inode = cfi->cfi_container->f_path.dentry->d_inode; cii = ITOC(coda_inode); @@ -246,7 +191,10 @@ int coda_release(struct inode *coda_inode, struct file *coda_file) coda_file->private_data = NULL; unlock_kernel(); - return err; + + /* VFS fput ignores the return value from file_operations->release, so + * there is no use returning an error here */ + return 0; } int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync) @@ -288,7 +236,6 @@ const struct file_operations coda_file_operations = { .write = coda_file_write, .mmap = coda_file_mmap, .open = coda_open, - .flush = coda_flush, .release = coda_release, .fsync = coda_fsync, .splice_read = coda_file_splice_read, diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c index cd561d2e90b..cdb4c07a787 100644 --- a/fs/coda/upcall.c +++ b/fs/coda/upcall.c @@ -160,55 +160,8 @@ int venus_lookup(struct super_block *sb, struct CodaFid *fid, return error; } -int venus_store(struct super_block *sb, struct CodaFid *fid, int flags, - vuid_t uid) -{ - union inputArgs *inp; - union outputArgs *outp; - int insize, outsize, error; -#ifdef CONFIG_CODA_FS_OLD_API - struct coda_cred cred = { 0, }; - cred.cr_fsuid = uid; -#endif - - insize = SIZE(store); - UPARG(CODA_STORE); - -#ifdef CONFIG_CODA_FS_OLD_API - memcpy(&(inp->ih.cred), &cred, sizeof(cred)); -#else - inp->ih.uid = uid; -#endif - - inp->coda_store.VFid = *fid; - inp->coda_store.flags = flags; - - error = coda_upcall(coda_vcp(sb), insize, &outsize, inp); - - CODA_FREE(inp, insize); - return error; -} - -int venus_release(struct super_block *sb, struct CodaFid *fid, int flags) -{ - union inputArgs *inp; - union outputArgs *outp; - int insize, outsize, error; - - insize = SIZE(release); - UPARG(CODA_RELEASE); - - inp->coda_release.VFid = *fid; - inp->coda_release.flags = flags; - - error = coda_upcall(coda_vcp(sb), insize, &outsize, inp); - - CODA_FREE(inp, insize); - return error; -} - int venus_close(struct super_block *sb, struct CodaFid *fid, int flags, - vuid_t uid) + vuid_t uid) { union inputArgs *inp; union outputArgs *outp; diff --git a/fs/nfs/super.c b/fs/nfs/super.c index b34b7a711d5..b2a851c1b8c 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -732,7 +732,7 @@ static int nfs_parse_mount_options(char *raw, return 0; if (option < 0 || option > 65535) return 0; - mnt->nfs_server.address.sin_port = htonl(option); + mnt->nfs_server.address.sin_port = htons(option); break; case Opt_rsize: if (match_int(args, &mnt->rsize)) diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index 6ab8de40904..2d295dda4c1 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -1503,9 +1503,9 @@ static void exp_flags(struct seq_file *m, int flag, int fsid, if (flag & NFSEXP_FSID) seq_printf(m, ",fsid=%d", fsid); if (anonu != (uid_t)-2 && anonu != (0x10000-2)) - seq_printf(m, ",sanonuid=%d", anonu); + seq_printf(m, ",anonuid=%u", anonu); if (anong != (gid_t)-2 && anong != (0x10000-2)) - seq_printf(m, ",sanongid=%d", anong); + seq_printf(m, ",anongid=%u", anong); if (fsloc && fsloc->locations_count > 0) { char *loctype = (fsloc->migrated) ? "refer" : "replicas"; int i; diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index f133afebed7..bee251cb87c 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -507,7 +507,8 @@ static int show_stat(struct seq_file *p, void *v) } seq_printf(p, "intr %llu", (unsigned long long)sum); -#if !defined(CONFIG_PPC64) && !defined(CONFIG_ALPHA) && !defined(CONFIG_IA64) +#ifndef CONFIG_SMP + /* Touches too many cache lines on SMP setups */ for (i = 0; i < NR_IRQS; i++) seq_printf(p, " %u", per_irq_sum[i]); #endif diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index ef48d094dd2..276f7207a56 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -70,9 +70,9 @@ static inline int find_next_one_bit(void *addr, int size, int offset) if (!size) return result; tmp = leBPL_to_cpup(p); - found_first: +found_first: tmp &= ~0UL >> (BITS_PER_LONG - size); - found_middle: +found_middle: return result + ffz(~tmp); } @@ -110,11 +110,11 @@ static int __load_block_bitmap(struct super_block *sb, nr_groups); } - if (bitmap->s_block_bitmap[block_group]) + if (bitmap->s_block_bitmap[block_group]) { return block_group; - else { - retval = - read_block_bitmap(sb, bitmap, block_group, block_group); + } else { + retval = read_block_bitmap(sb, bitmap, block_group, + block_group); if (retval < 0) return retval; return block_group; @@ -155,22 +155,16 @@ static void udf_bitmap_free_blocks(struct super_block *sb, mutex_lock(&sbi->s_alloc_mutex); if (bloc.logicalBlockNum < 0 || - (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, - bloc. - partitionReferenceNum)) - { - udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0, - bloc.logicalBlockNum, count, UDF_SB_PARTLEN(sb, - bloc. - partitionReferenceNum)); + (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) { + udf_debug("%d < %d || %d + %d > %d\n", + bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, + UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)); goto error_return; } - block = - bloc.logicalBlockNum + offset + - (sizeof(struct spaceBitmapDesc) << 3); + block = bloc.logicalBlockNum + offset + (sizeof(struct spaceBitmapDesc) << 3); - do_more: +do_more: overflow = 0; block_group = block >> (sb->s_blocksize_bits + 3); bit = block % (sb->s_blocksize << 3); @@ -190,18 +184,13 @@ static void udf_bitmap_free_blocks(struct super_block *sb, for (i = 0; i < count; i++) { if (udf_set_bit(bit + i, bh->b_data)) { udf_debug("bit %ld already set\n", bit + i); - udf_debug("byte=%2x\n", - ((char *)bh->b_data)[(bit + i) >> 3]); + udf_debug("byte=%2x\n", ((char *)bh->b_data)[(bit + i) >> 3]); } else { if (inode) DQUOT_FREE_BLOCK(inode, 1); if (UDF_SB_LVIDBH(sb)) { - UDF_SB_LVID(sb)-> - freeSpaceTable[UDF_SB_PARTITION(sb)] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)-> - freeSpaceTable[UDF_SB_PARTITION - (sb)]) + 1); + UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] = + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + 1); } } } @@ -211,7 +200,7 @@ static void udf_bitmap_free_blocks(struct super_block *sb, count = overflow; goto do_more; } - error_return: +error_return: sb->s_dirt = 1; if (UDF_SB_LVIDBH(sb)) mark_buffer_dirty(UDF_SB_LVIDBH(sb)); @@ -238,7 +227,7 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb, if (first_block + block_count > UDF_SB_PARTLEN(sb, partition)) block_count = UDF_SB_PARTLEN(sb, partition) - first_block; - repeat: +repeat: nr_groups = (UDF_SB_PARTLEN(sb, partition) + (sizeof(struct spaceBitmapDesc) << 3) + (sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8); @@ -254,11 +243,11 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb, bit = block % (sb->s_blocksize << 3); while (bit < (sb->s_blocksize << 3) && block_count > 0) { - if (!udf_test_bit(bit, bh->b_data)) + if (!udf_test_bit(bit, bh->b_data)) { goto out; - else if (DQUOT_PREALLOC_BLOCK(inode, 1)) + } else if (DQUOT_PREALLOC_BLOCK(inode, 1)) { goto out; - else if (!udf_clear_bit(bit, bh->b_data)) { + } else if (!udf_clear_bit(bit, bh->b_data)) { udf_debug("bit already cleared for block %d\n", bit); DQUOT_FREE_BLOCK(inode, 1); goto out; @@ -271,12 +260,10 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb, mark_buffer_dirty(bh); if (block_count > 0) goto repeat; - out: +out: if (UDF_SB_LVIDBH(sb)) { UDF_SB_LVID(sb)->freeSpaceTable[partition] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)->freeSpaceTable[partition]) - - alloc_count); + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count); mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } sb->s_dirt = 1; @@ -299,7 +286,7 @@ static int udf_bitmap_new_block(struct super_block *sb, *err = -ENOSPC; mutex_lock(&sbi->s_alloc_mutex); - repeat: +repeat: if (goal < 0 || goal >= UDF_SB_PARTLEN(sb, partition)) goal = 0; @@ -312,31 +299,27 @@ static int udf_bitmap_new_block(struct super_block *sb, if (bitmap_nr < 0) goto error_return; bh = bitmap->s_block_bitmap[bitmap_nr]; - ptr = - memscan((char *)bh->b_data + group_start, 0xFF, - sb->s_blocksize - group_start); + ptr = memscan((char *)bh->b_data + group_start, 0xFF, + sb->s_blocksize - group_start); if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) { bit = block % (sb->s_blocksize << 3); - - if (udf_test_bit(bit, bh->b_data)) { + if (udf_test_bit(bit, bh->b_data)) goto got_block; - } + end_goal = (bit + 63) & ~63; bit = udf_find_next_one_bit(bh->b_data, end_goal, bit); if (bit < end_goal) goto got_block; - ptr = - memscan((char *)bh->b_data + (bit >> 3), 0xFF, - sb->s_blocksize - ((bit + 7) >> 3)); + + ptr = memscan((char *)bh->b_data + (bit >> 3), 0xFF, sb->s_blocksize - ((bit + 7) >> 3)); newbit = (ptr - ((char *)bh->b_data)) << 3; if (newbit < sb->s_blocksize << 3) { bit = newbit; goto search_back; } - newbit = - udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, - bit); + + newbit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, bit); if (newbit < sb->s_blocksize << 3) { bit = newbit; goto got_block; @@ -354,18 +337,16 @@ static int udf_bitmap_new_block(struct super_block *sb, goto error_return; bh = bitmap->s_block_bitmap[bitmap_nr]; if (i < nr_groups) { - ptr = - memscan((char *)bh->b_data + group_start, 0xFF, - sb->s_blocksize - group_start); + ptr = memscan((char *)bh->b_data + group_start, 0xFF, + sb->s_blocksize - group_start); if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) { bit = (ptr - ((char *)bh->b_data)) << 3; break; } } else { - bit = - udf_find_next_one_bit((char *)bh->b_data, - sb->s_blocksize << 3, - group_start << 3); + bit = udf_find_next_one_bit((char *)bh->b_data, + sb->s_blocksize << 3, + group_start << 3); if (bit < sb->s_blocksize << 3) break; } @@ -377,20 +358,17 @@ static int udf_bitmap_new_block(struct super_block *sb, if (bit < sb->s_blocksize << 3) goto search_back; else - bit = - udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, - group_start << 3); + bit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, group_start << 3); if (bit >= sb->s_blocksize << 3) { mutex_unlock(&sbi->s_alloc_mutex); return 0; } - search_back: - for (i = 0; - i < 7 && bit > (group_start << 3) - && udf_test_bit(bit - 1, bh->b_data); i++, bit--) ; +search_back: + for (i = 0; i < 7 && bit > (group_start << 3) && udf_test_bit(bit - 1, bh->b_data); i++, bit--) + ; /* empty loop */ - got_block: +got_block: /* * Check quota for allocation of this block. @@ -402,7 +380,7 @@ static int udf_bitmap_new_block(struct super_block *sb, } newblock = bit + (block_group << (sb->s_blocksize_bits + 3)) - - (sizeof(struct spaceBitmapDesc) << 3); + (sizeof(struct spaceBitmapDesc) << 3); if (!udf_clear_bit(bit, bh->b_data)) { udf_debug("bit already cleared for block %d\n", bit); @@ -413,9 +391,7 @@ static int udf_bitmap_new_block(struct super_block *sb, if (UDF_SB_LVIDBH(sb)) { UDF_SB_LVID(sb)->freeSpaceTable[partition] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)->freeSpaceTable[partition]) - - 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1); mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } sb->s_dirt = 1; @@ -423,7 +399,7 @@ static int udf_bitmap_new_block(struct super_block *sb, *err = 0; return newblock; - error_return: +error_return: *err = -EIO; mutex_unlock(&sbi->s_alloc_mutex); return 0; @@ -445,14 +421,10 @@ static void udf_table_free_blocks(struct super_block *sb, mutex_lock(&sbi->s_alloc_mutex); if (bloc.logicalBlockNum < 0 || - (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, - bloc. - partitionReferenceNum)) - { - udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0, - bloc.logicalBlockNum, count, UDF_SB_PARTLEN(sb, - bloc. - partitionReferenceNum)); + (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) { + udf_debug("%d < %d || %d + %d > %d\n", + bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, + UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)); goto error_return; } @@ -462,9 +434,7 @@ static void udf_table_free_blocks(struct super_block *sb, DQUOT_FREE_BLOCK(inode, count); if (UDF_SB_LVIDBH(sb)) { UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)-> - freeSpaceTable[UDF_SB_PARTITION(sb)]) + count); + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + count); mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } @@ -476,47 +446,28 @@ static void udf_table_free_blocks(struct super_block *sb, epos.block = oepos.block = UDF_I_LOCATION(table); epos.bh = oepos.bh = NULL; - while (count && (etype = - udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { - if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == - start)) { - if ((0x3FFFFFFF - elen) < - (count << sb->s_blocksize_bits)) { - count -= - ((0x3FFFFFFF - - elen) >> sb->s_blocksize_bits); - start += - ((0x3FFFFFFF - - elen) >> sb->s_blocksize_bits); - elen = - (etype << 30) | (0x40000000 - - sb->s_blocksize); + while (count && + (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { + if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == start)) { + if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) { + count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); + start += ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); + elen = (etype << 30) | (0x40000000 - sb->s_blocksize); } else { - elen = (etype << 30) | - (elen + (count << sb->s_blocksize_bits)); + elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits)); start += count; count = 0; } udf_write_aext(table, &oepos, eloc, elen, 1); } else if (eloc.logicalBlockNum == (end + 1)) { - if ((0x3FFFFFFF - elen) < - (count << sb->s_blocksize_bits)) { - count -= - ((0x3FFFFFFF - - elen) >> sb->s_blocksize_bits); - end -= - ((0x3FFFFFFF - - elen) >> sb->s_blocksize_bits); - eloc.logicalBlockNum -= - ((0x3FFFFFFF - - elen) >> sb->s_blocksize_bits); - elen = - (etype << 30) | (0x40000000 - - sb->s_blocksize); + if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) { + count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); + end -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); + eloc.logicalBlockNum -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); + elen = (etype << 30) | (0x40000000 - sb->s_blocksize); } else { eloc.logicalBlockNum = start; - elen = (etype << 30) | - (elen + (count << sb->s_blocksize_bits)); + elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits)); end -= count; count = 0; } @@ -530,21 +481,23 @@ static void udf_table_free_blocks(struct super_block *sb, get_bh(epos.bh); oepos.bh = epos.bh; oepos.offset = 0; - } else + } else { oepos.offset = epos.offset; + } } if (count) { - /* NOTE: we CANNOT use udf_add_aext here, as it can try to allocate - a new block, and since we hold the super block lock already - very bad things would happen :) - - We copy the behavior of udf_add_aext, but instead of - trying to allocate a new block close to the existing one, - we just steal a block from the extent we are trying to add. - - It would be nice if the blocks were close together, but it - isn't required. + /* + * NOTE: we CANNOT use udf_add_aext here, as it can try to allocate + * a new block, and since we hold the super block lock already + * very bad things would happen :) + * + * We copy the behavior of udf_add_aext, but instead of + * trying to allocate a new block close to the existing one, + * we just steal a block from the extent we are trying to add. + * + * It would be nice if the blocks were close together, but it + * isn't required. */ int adsize; @@ -553,13 +506,14 @@ static void udf_table_free_blocks(struct super_block *sb, struct allocExtDesc *aed; eloc.logicalBlockNum = start; - elen = EXT_RECORDED_ALLOCATED | (count << sb->s_blocksize_bits); + elen = EXT_RECORDED_ALLOCATED | + (count << sb->s_blocksize_bits); - if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT) + if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT) { adsize = sizeof(short_ad); - else if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_LONG) + } else if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_LONG) { adsize = sizeof(long_ad); - else { + } else { brelse(oepos.bh); brelse(epos.bh); goto error_return; @@ -577,28 +531,21 @@ static void udf_table_free_blocks(struct super_block *sb, eloc.logicalBlockNum++; elen -= sb->s_blocksize; - if (!(epos.bh = udf_tread(sb, - udf_get_lb_pblock(sb, - epos.block, - 0)))) { + if (!(epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, epos.block, 0)))) { brelse(oepos.bh); goto error_return; } aed = (struct allocExtDesc *)(epos.bh->b_data); - aed->previousAllocExtLocation = - cpu_to_le32(oepos.block.logicalBlockNum); + aed->previousAllocExtLocation = cpu_to_le32(oepos.block.logicalBlockNum); if (epos.offset + adsize > sb->s_blocksize) { loffset = epos.offset; aed->lengthAllocDescs = cpu_to_le32(adsize); sptr = UDF_I_DATA(inode) + epos.offset - - udf_file_entry_alloc_offset(inode) + - UDF_I_LENEATTR(inode) - adsize; - dptr = - epos.bh->b_data + - sizeof(struct allocExtDesc); + udf_file_entry_alloc_offset(inode) + + UDF_I_LENEATTR(inode) - adsize; + dptr = epos.bh->b_data + sizeof(struct allocExtDesc); memcpy(dptr, sptr, adsize); - epos.offset = - sizeof(struct allocExtDesc) + adsize; + epos.offset = sizeof(struct allocExtDesc) + adsize; } else { loffset = epos.offset + adsize; aed->lengthAllocDescs = cpu_to_le32(0); @@ -606,60 +553,46 @@ static void udf_table_free_blocks(struct super_block *sb, epos.offset = sizeof(struct allocExtDesc); if (oepos.bh) { - aed = - (struct allocExtDesc *)oepos.bh-> - b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu - (aed-> - lengthAllocDescs) + - adsize); + cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } else { UDF_I_LENALLOC(table) += adsize; mark_inode_dirty(table); } } if (UDF_SB_UDFREV(sb) >= 0x0200) - udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, - 1, epos.block.logicalBlockNum, - sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1, + epos.block.logicalBlockNum, sizeof(tag)); else - udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, - 1, epos.block.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: - { - sad = (short_ad *) sptr; - sad->extLength = - cpu_to_le32 - (EXT_NEXT_EXTENT_ALLOCDECS | sb-> - s_blocksize); - sad->extPosition = - cpu_to_le32(epos.block. - logicalBlockNum); + case ICBTAG_FLAG_AD_SHORT: + sad = (short_ad *)sptr; + sad->extLength = cpu_to_le32( + EXT_NEXT_EXTENT_ALLOCDECS | + sb->s_blocksize); + sad->extPosition = cpu_to_le32(epos.block.logicalBlockNum); break; - } - case ICBTAG_FLAG_AD_LONG: - { - lad = (long_ad *) sptr; - lad->extLength = - cpu_to_le32 - (EXT_NEXT_EXTENT_ALLOCDECS | sb-> - s_blocksize); - lad->extLocation = - cpu_to_lelb(epos.block); + case ICBTAG_FLAG_AD_LONG: + lad = (long_ad *)sptr; + lad->extLength = cpu_to_le32( + EXT_NEXT_EXTENT_ALLOCDECS | + sb->s_blocksize); + lad->extLocation = cpu_to_lelb(epos.block); break; - } } if (oepos.bh) { udf_update_tag(oepos.bh->b_data, loffset); mark_buffer_dirty(oepos.bh); - } else + } else { mark_inode_dirty(table); + } } - if (elen) { /* It's possible that stealing the block emptied the extent */ + if (elen) { /* It's possible that stealing the block emptied the extent */ udf_write_aext(table, &epos, eloc, elen, 1); if (!epos.bh) { @@ -668,9 +601,7 @@ static void udf_table_free_blocks(struct super_block *sb, } else { aed = (struct allocExtDesc *)epos.bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu - (aed->lengthAllocDescs) + - adsize); + cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); udf_update_tag(epos.bh->b_data, epos.offset); mark_buffer_dirty(epos.bh); } @@ -680,7 +611,7 @@ static void udf_table_free_blocks(struct super_block *sb, brelse(epos.bh); brelse(oepos.bh); - error_return: +error_return: sb->s_dirt = 1; mutex_unlock(&sbi->s_alloc_mutex); return; @@ -714,47 +645,36 @@ static int udf_table_prealloc_blocks(struct super_block *sb, epos.bh = NULL; eloc.logicalBlockNum = 0xFFFFFFFF; - while (first_block != eloc.logicalBlockNum && (etype = - udf_next_aext(table, - &epos, - &eloc, - &elen, - 1)) != - -1) { + while (first_block != eloc.logicalBlockNum && + (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { udf_debug("eloc=%d, elen=%d, first_block=%d\n", eloc.logicalBlockNum, elen, first_block); - ; /* empty loop body */ + ; /* empty loop body */ } if (first_block == eloc.logicalBlockNum) { epos.offset -= adsize; alloc_count = (elen >> sb->s_blocksize_bits); - if (inode - && DQUOT_PREALLOC_BLOCK(inode, - alloc_count > - block_count ? block_count : - alloc_count)) + if (inode && DQUOT_PREALLOC_BLOCK(inode, alloc_count > block_count ? block_count : alloc_count)) { alloc_count = 0; - else if (alloc_count > block_count) { + } else if (alloc_count > block_count) { alloc_count = block_count; eloc.logicalBlockNum += alloc_count; elen -= (alloc_count << sb->s_blocksize_bits); - udf_write_aext(table, &epos, eloc, (etype << 30) | elen, - 1); - } else - udf_delete_aext(table, epos, eloc, - (etype << 30) | elen); - } else + udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 1); + } else { + udf_delete_aext(table, epos, eloc, (etype << 30) | elen); + } + } else { alloc_count = 0; + } brelse(epos.bh); if (alloc_count && UDF_SB_LVIDBH(sb)) { UDF_SB_LVID(sb)->freeSpaceTable[partition] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)->freeSpaceTable[partition]) - - alloc_count); + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count); mark_buffer_dirty(UDF_SB_LVIDBH(sb)); sb->s_dirt = 1; } @@ -797,18 +717,17 @@ static int udf_table_new_block(struct super_block *sb, epos.block = UDF_I_LOCATION(table); epos.bh = goal_epos.bh = NULL; - while (spread && (etype = - udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { + while (spread && + (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { if (goal >= eloc.logicalBlockNum) { - if (goal < - eloc.logicalBlockNum + - (elen >> sb->s_blocksize_bits)) + if (goal < eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) nspread = 0; else nspread = goal - eloc.logicalBlockNum - - (elen >> sb->s_blocksize_bits); - } else + (elen >> sb->s_blocksize_bits); + } else { nspread = eloc.logicalBlockNum - goal; + } if (nspread < spread) { spread = nspread; @@ -856,9 +775,7 @@ static int udf_table_new_block(struct super_block *sb, if (UDF_SB_LVIDBH(sb)) { UDF_SB_LVID(sb)->freeSpaceTable[partition] = - cpu_to_le32(le32_to_cpu - (UDF_SB_LVID(sb)->freeSpaceTable[partition]) - - 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1); mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } @@ -877,27 +794,23 @@ inline void udf_free_blocks(struct super_block *sb, if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { return udf_bitmap_free_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_uspace.s_bitmap, bloc, offset, - count); - } else if (UDF_SB_PARTFLAGS(sb, partition) & - UDF_PART_FLAG_UNALLOC_TABLE) { + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap, + bloc, offset, count); + } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) { return udf_table_free_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_uspace.s_table, bloc, offset, - count); + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table, + bloc, offset, count); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) { return udf_bitmap_free_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_fspace.s_bitmap, bloc, offset, - count); + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap, + bloc, offset, count); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) { return udf_table_free_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_fspace.s_table, bloc, offset, - count); - } else + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table, + bloc, offset, count); + } else { return; + } } inline int udf_prealloc_blocks(struct super_block *sb, @@ -907,29 +820,23 @@ inline int udf_prealloc_blocks(struct super_block *sb, { if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { return udf_bitmap_prealloc_blocks(sb, inode, - UDF_SB_PARTMAPS(sb) - [partition].s_uspace.s_bitmap, - partition, first_block, - block_count); - } else if (UDF_SB_PARTFLAGS(sb, partition) & - UDF_PART_FLAG_UNALLOC_TABLE) { + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap, + partition, first_block, block_count); + } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) { return udf_table_prealloc_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_uspace.s_table, partition, - first_block, block_count); + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table, + partition, first_block, block_count); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) { return udf_bitmap_prealloc_blocks(sb, inode, - UDF_SB_PARTMAPS(sb) - [partition].s_fspace.s_bitmap, - partition, first_block, - block_count); + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap, + partition, first_block, block_count); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) { return udf_table_prealloc_blocks(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_fspace.s_table, partition, - first_block, block_count); - } else + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table, + partition, first_block, block_count); + } else { return 0; + } } inline int udf_new_block(struct super_block *sb, @@ -940,26 +847,21 @@ inline int udf_new_block(struct super_block *sb, if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { ret = udf_bitmap_new_block(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_uspace.s_bitmap, partition, goal, - err); + 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) { + } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) { return udf_table_new_block(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_uspace.s_table, partition, goal, - err); + UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table, + partition, goal, err); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) { return udf_bitmap_new_block(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_fspace.s_bitmap, partition, goal, - err); + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap, + partition, goal, err); } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) { return udf_table_new_block(sb, inode, - UDF_SB_PARTMAPS(sb)[partition]. - s_fspace.s_table, partition, goal, - err); + UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table, + partition, goal, err); } else { *err = -EIO; return 0; diff --git a/fs/udf/crc.c b/fs/udf/crc.c index ae3d4979094..85aaee5fab2 100644 --- a/fs/udf/crc.c +++ b/fs/udf/crc.c @@ -111,7 +111,7 @@ int main(void) return 0; } -#endif /* defined(TEST) */ +#endif /* defined(TEST) */ /****************************************************************************/ #if defined(GENERATE) @@ -169,4 +169,4 @@ int main(int argc, char **argv) return 0; } -#endif /* defined(GENERATE) */ +#endif /* defined(GENERATE) */ diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 79bab9fe120..9e3b9f97ddb 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -43,10 +43,10 @@ static int do_udf_readdir(struct inode *, struct file *, filldir_t, void *); /* readdir and lookup functions */ const struct file_operations udf_dir_operations = { - .read = generic_read_dir, - .readdir = udf_readdir, - .ioctl = udf_ioctl, - .fsync = udf_fsync_file, + .read = generic_read_dir, + .readdir = udf_readdir, + .ioctl = udf_ioctl, + .fsync = udf_fsync_file, }; /* @@ -83,8 +83,7 @@ int udf_readdir(struct file *filp, void *dirent, filldir_t filldir) lock_kernel(); if (filp->f_pos == 0) { - if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < - 0) { + if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < 0) { unlock_kernel(); return 0; } @@ -93,7 +92,7 @@ int udf_readdir(struct file *filp, void *dirent, filldir_t filldir) result = do_udf_readdir(dir, filp, filldir, dirent); unlock_kernel(); - return result; + return result; } static int @@ -125,21 +124,20 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, if (nf_pos == 0) nf_pos = (udf_ext0_offset(dir) >> 2); - fibh.soffset = fibh.eoffset = - (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; - if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) + fibh.soffset = fibh.eoffset = (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; + 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), - &epos, &eloc, &elen, - &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { + } else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2), + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { 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) epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) epos.offset -= sizeof(long_ad); - } else + } else { offset = 0; + } if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { brelse(epos.bh); @@ -149,15 +147,11 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, if (!(offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) { i = 16 >> (dir->i_sb->s_blocksize_bits - 9); if (i + offset > (elen >> dir->i_sb->s_blocksize_bits)) - i = (elen >> dir->i_sb->s_blocksize_bits) - - offset; + i = (elen >> dir->i_sb->s_blocksize_bits) - offset; for (num = 0; i > 0; i--) { - block = - udf_get_lb_pblock(dir->i_sb, eloc, - offset + i); + block = udf_get_lb_pblock(dir->i_sb, eloc, offset + i); tmp = udf_tgetblk(dir->i_sb, block); - if (tmp && !buffer_uptodate(tmp) - && !buffer_locked(tmp)) + if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp)) bha[num++] = tmp; else brelse(tmp); @@ -178,7 +172,6 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); - if (!fi) { if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); @@ -190,19 +183,16 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, liu = le16_to_cpu(cfi.lengthOfImpUse); lfi = cfi.lengthFileIdent; - if (fibh.sbh == fibh.ebh) + if (fibh.sbh == fibh.ebh) { nameptr = fi->fileIdent + liu; - else { + } else { int poffset; /* Unpaded ending offset */ - poffset = - fibh.soffset + sizeof(struct fileIdentDesc) + liu + - lfi; + poffset = fibh.soffset + sizeof(struct fileIdentDesc) + liu + lfi; - if (poffset >= lfi) - nameptr = - (char *)(fibh.ebh->b_data + poffset - lfi); - else { + if (poffset >= lfi) { + nameptr = (char *)(fibh.ebh->b_data + poffset - lfi); + } else { nameptr = fname; memcpy(nameptr, fi->fileIdent + liu, lfi - poffset); @@ -235,17 +225,15 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, } if (flen) { - if (filldir - (dirent, fname, flen, filp->f_pos, iblock, - dt_type) < 0) { + if (filldir(dirent, fname, flen, filp->f_pos, iblock, dt_type) < 0) { if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); brelse(epos.bh); - return 0; + return 0; } } - } /* end while */ + } /* end while */ filp->f_pos = nf_pos + 1; diff --git a/fs/udf/directory.c b/fs/udf/directory.c index 8adc77c1d57..ff8c08fd7bf 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -31,7 +31,7 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad, *error = 0; - ad = (uint8_t *) (*bh)->b_data + *offset; + ad = (uint8_t *)(*bh)->b_data + *offset; *offset += ad_size; if (!ad) { @@ -51,7 +51,7 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad, ad = tmpad; remainder = dir->i_sb->s_blocksize - loffset; - memcpy((uint8_t *) ad, (*bh)->b_data + loffset, remainder); + memcpy((uint8_t *)ad, (*bh)->b_data + loffset, remainder); brelse(*bh); block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); @@ -60,10 +60,10 @@ static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad, if (!((*bh) = udf_tread(dir->i_sb, block))) return NULL; - memcpy((uint8_t *) ad + remainder, (*bh)->b_data, - ad_size - remainder); + memcpy((uint8_t *)ad + remainder, (*bh)->b_data, ad_size - remainder); *offset = ad_size - remainder; } + return ad; } #endif @@ -86,15 +86,13 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos, (UDF_I_EFE(dir) ? sizeof(struct extendedFileEntry) : sizeof(struct fileEntry)), - dir->i_sb->s_blocksize, - &(fibh->eoffset)); - + dir->i_sb->s_blocksize, &(fibh->eoffset)); if (!fi) return NULL; *nf_pos += ((fibh->eoffset - fibh->soffset) >> 2); - memcpy((uint8_t *) cfi, (uint8_t *) fi, + memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc)); return fi; @@ -121,21 +119,14 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos, return NULL; fibh->soffset = fibh->eoffset = 0; - if (! - (*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) - { + if (!(*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) { i = 16 >> (dir->i_sb->s_blocksize_bits - 9); - if (i + *offset > - (*elen >> dir->i_sb->s_blocksize_bits)) - i = (*elen >> dir->i_sb->s_blocksize_bits) - - *offset; + if (i + *offset > (*elen >> dir->i_sb->s_blocksize_bits)) + i = (*elen >> dir->i_sb->s_blocksize_bits)-*offset; for (num = 0; i > 0; i--) { - block = - udf_get_lb_pblock(dir->i_sb, *eloc, - *offset + i); + block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset + i); tmp = udf_tgetblk(dir->i_sb, block); - if (tmp && !buffer_uptodate(tmp) - && !buffer_locked(tmp)) + if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp)) bha[num++] = tmp; else brelse(tmp); @@ -160,7 +151,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos, *nf_pos += ((fibh->eoffset - fibh->soffset) >> 2); if (fibh->eoffset <= dir->i_sb->s_blocksize) { - memcpy((uint8_t *) cfi, (uint8_t *) fi, + memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc)); } else if (fibh->eoffset > dir->i_sb->s_blocksize) { int lextoffset = epos->offset; @@ -187,21 +178,17 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos, if (sizeof(struct fileIdentDesc) > -fibh->soffset) { int fi_len; - memcpy((uint8_t *) cfi, (uint8_t *) fi, -fibh->soffset); - memcpy((uint8_t *) cfi - fibh->soffset, - fibh->ebh->b_data, + memcpy((uint8_t *)cfi, (uint8_t *)fi, -fibh->soffset); + memcpy((uint8_t *)cfi - fibh->soffset, fibh->ebh->b_data, sizeof(struct fileIdentDesc) + fibh->soffset); - fi_len = - (sizeof(struct fileIdentDesc) + - cfi->lengthFileIdent + - le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3; + fi_len = (sizeof(struct fileIdentDesc) + cfi->lengthFileIdent + + le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3; - *nf_pos += - ((fi_len - (fibh->eoffset - fibh->soffset)) >> 2); + *nf_pos += ((fi_len - (fibh->eoffset - fibh->soffset)) >> 2); fibh->eoffset = fibh->soffset + fi_len; } else { - memcpy((uint8_t *) cfi, (uint8_t *) fi, + memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc)); } } @@ -237,9 +224,10 @@ struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset) } if ((*offset + sizeof(struct fileIdentDesc)) > bufsize) { lengthThisIdent = sizeof(struct fileIdentDesc); - } else + } else { lengthThisIdent = sizeof(struct fileIdentDesc) + - fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse); + fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse); + } /* we need to figure padding, too! */ padlen = lengthThisIdent % UDF_NAME_PAD; @@ -270,22 +258,20 @@ static extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset) return NULL; } - ptr = - (uint8_t *) (fe->extendedAttr) + - le32_to_cpu(fe->lengthExtendedAttr); + ptr = (uint8_t *)(fe->extendedAttr) + le32_to_cpu(fe->lengthExtendedAttr); if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs))) { ptr += *offset; } - ext = (extent_ad *) ptr; + ext = (extent_ad *)ptr; *offset = *offset + sizeof(extent_ad); return ext; } #endif -short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset, +short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset, int inc) { short_ad *sa; @@ -297,7 +283,7 @@ short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset, if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset)) return NULL; - else if ((sa = (short_ad *) ptr)->extLength == 0) + else if ((sa = (short_ad *)ptr)->extLength == 0) return NULL; if (inc) @@ -305,7 +291,7 @@ short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset, return sa; } -long_ad *udf_get_filelongad(uint8_t * ptr, int maxoffset, int *offset, int inc) +long_ad *udf_get_filelongad(uint8_t *ptr, int maxoffset, int *offset, int inc) { long_ad *la; @@ -316,7 +302,7 @@ long_ad *udf_get_filelongad(uint8_t * ptr, int maxoffset, int *offset, int inc) if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset)) return NULL; - else if ((la = (long_ad *) ptr)->extLength == 0) + else if ((la = (long_ad *)ptr)->extLength == 0) return NULL; if (inc) diff --git a/fs/udf/ecma_167.h b/fs/udf/ecma_167.h index 294ce2daa03..56387711589 100644 --- a/fs/udf/ecma_167.h +++ b/fs/udf/ecma_167.h @@ -39,8 +39,8 @@ /* Character set specification (ECMA 167r3 1/7.2.1) */ typedef struct { - uint8_t charSetType; - uint8_t charSetInfo[63]; + uint8_t charSetType; + uint8_t charSetInfo[63]; } __attribute__ ((packed)) charspec; /* Character Set Type (ECMA 167r3 1/7.2.1.1) */ @@ -54,33 +54,33 @@ typedef struct { #define CHARSPEC_TYPE_CS7 0x07 /* (1/7.2.9) */ #define CHARSPEC_TYPE_CS8 0x08 /* (1/7.2.10) */ -typedef uint8_t dstring; +typedef uint8_t dstring; /* Timestamp (ECMA 167r3 1/7.3) */ typedef struct { - __le16 typeAndTimezone; - __le16 year; - uint8_t month; - uint8_t day; - uint8_t hour; - uint8_t minute; - uint8_t second; - uint8_t centiseconds; - uint8_t hundredsOfMicroseconds; - uint8_t microseconds; + __le16 typeAndTimezone; + __le16 year; + uint8_t month; + uint8_t day; + uint8_t hour; + uint8_t minute; + uint8_t second; + uint8_t centiseconds; + uint8_t hundredsOfMicroseconds; + uint8_t microseconds; } __attribute__ ((packed)) timestamp; typedef struct { - uint16_t typeAndTimezone; - int16_t year; - uint8_t month; - uint8_t day; - uint8_t hour; - uint8_t minute; - uint8_t second; - uint8_t centiseconds; - uint8_t hundredsOfMicroseconds; - uint8_t microseconds; + uint16_t typeAndTimezone; + int16_t year; + uint8_t month; + uint8_t day; + uint8_t hour; + uint8_t minute; + uint8_t second; + uint8_t centiseconds; + uint8_t hundredsOfMicroseconds; + uint8_t microseconds; } __attribute__ ((packed)) kernel_timestamp; /* Type and Time Zone (ECMA 167r3 1/7.3.1) */ @@ -92,9 +92,9 @@ typedef struct { /* Entity identifier (ECMA 167r3 1/7.4) */ typedef struct { - uint8_t flags; - uint8_t ident[23]; - uint8_t identSuffix[8]; + uint8_t flags; + uint8_t ident[23]; + uint8_t identSuffix[8]; } __attribute__ ((packed)) regid; /* Flags (ECMA 167r3 1/7.4.1) */ @@ -104,10 +104,10 @@ typedef struct { /* Volume Structure Descriptor (ECMA 167r3 2/9.1) */ #define VSD_STD_ID_LEN 5 struct volStructDesc { - uint8_t structType; - uint8_t stdIdent[VSD_STD_ID_LEN]; - uint8_t structVersion; - uint8_t structData[2041]; + uint8_t structType; + uint8_t stdIdent[VSD_STD_ID_LEN]; + uint8_t structVersion; + uint8_t structData[2041]; } __attribute__ ((packed)); /* Standard Identifier (EMCA 167r2 2/9.1.2) */ @@ -123,36 +123,36 @@ struct volStructDesc { /* Beginning Extended Area Descriptor (ECMA 167r3 2/9.2) */ struct beginningExtendedAreaDesc { - uint8_t structType; - uint8_t stdIdent[VSD_STD_ID_LEN]; - uint8_t structVersion; - uint8_t structData[2041]; + uint8_t structType; + uint8_t stdIdent[VSD_STD_ID_LEN]; + uint8_t structVersion; + uint8_t structData[2041]; } __attribute__ ((packed)); /* Terminating Extended Area Descriptor (ECMA 167r3 2/9.3) */ struct terminatingExtendedAreaDesc { - uint8_t structType; - uint8_t stdIdent[VSD_STD_ID_LEN]; - uint8_t structVersion; - uint8_t structData[2041]; + uint8_t structType; + uint8_t stdIdent[VSD_STD_ID_LEN]; + uint8_t structVersion; + uint8_t structData[2041]; } __attribute__ ((packed)); /* Boot Descriptor (ECMA 167r3 2/9.4) */ struct bootDesc { - uint8_t structType; - uint8_t stdIdent[VSD_STD_ID_LEN]; - uint8_t structVersion; - uint8_t reserved1; - regid archType; - regid bootIdent; - __le32 bootExtLocation; - __le32 bootExtLength; - __le64 loadAddress; - __le64 startAddress; - timestamp descCreationDateAndTime; - __le16 flags; - uint8_t reserved2[32]; - uint8_t bootUse[1906]; + uint8_t structType; + uint8_t stdIdent[VSD_STD_ID_LEN]; + uint8_t structVersion; + uint8_t reserved1; + regid archType; + regid bootIdent; + __le32 bootExtLocation; + __le32 bootExtLength; + __le64 loadAddress; + __le64 startAddress; + timestamp descCreationDateAndTime; + __le16 flags; + uint8_t reserved2[32]; + uint8_t bootUse[1906]; } __attribute__ ((packed)); /* Flags (ECMA 167r3 2/9.4.12) */ @@ -160,25 +160,25 @@ struct bootDesc { /* Extent Descriptor (ECMA 167r3 3/7.1) */ typedef struct { - __le32 extLength; - __le32 extLocation; + __le32 extLength; + __le32 extLocation; } __attribute__ ((packed)) extent_ad; typedef struct { - uint32_t extLength; - uint32_t extLocation; + uint32_t extLength; + uint32_t extLocation; } kernel_extent_ad; /* Descriptor Tag (ECMA 167r3 3/7.2) */ typedef struct { - __le16 tagIdent; - __le16 descVersion; - uint8_t tagChecksum; - uint8_t reserved; - __le16 tagSerialNum; - __le16 descCRC; - __le16 descCRCLength; - __le32 tagLocation; + __le16 tagIdent; + __le16 descVersion; + uint8_t tagChecksum; + uint8_t reserved; + __le16 tagSerialNum; + __le16 descCRC; + __le16 descCRCLength; + __le32 tagLocation; } __attribute__ ((packed)) tag; /* Tag Identifier (ECMA 167r3 3/7.2.1) */ @@ -194,37 +194,37 @@ typedef struct { /* NSR Descriptor (ECMA 167r3 3/9.1) */ struct NSRDesc { - uint8_t structType; - uint8_t stdIdent[VSD_STD_ID_LEN]; - uint8_t structVersion; - uint8_t reserved; - uint8_t structData[2040]; + uint8_t structType; + uint8_t stdIdent[VSD_STD_ID_LEN]; + uint8_t structVersion; + uint8_t reserved; + uint8_t structData[2040]; } __attribute__ ((packed)); /* Primary Volume Descriptor (ECMA 167r3 3/10.1) */ struct primaryVolDesc { - tag descTag; - __le32 volDescSeqNum; - __le32 primaryVolDescNum; - dstring volIdent[32]; - __le16 volSeqNum; - __le16 maxVolSeqNum; - __le16 interchangeLvl; - __le16 maxInterchangeLvl; - __le32 charSetList; - __le32 maxCharSetList; - dstring volSetIdent[128]; - charspec descCharSet; - charspec explanatoryCharSet; - extent_ad volAbstract; - extent_ad volCopyright; - regid appIdent; - timestamp recordingDateAndTime; - regid impIdent; - uint8_t impUse[64]; - __le32 predecessorVolDescSeqLocation; - __le16 flags; - uint8_t reserved[22]; + tag descTag; + __le32 volDescSeqNum; + __le32 primaryVolDescNum; + dstring volIdent[32]; + __le16 volSeqNum; + __le16 maxVolSeqNum; + __le16 interchangeLvl; + __le16 maxInterchangeLvl; + __le32 charSetList; + __le32 maxCharSetList; + dstring volSetIdent[128]; + charspec descCharSet; + charspec explanatoryCharSet; + extent_ad volAbstract; + extent_ad volCopyright; + regid appIdent; + timestamp recordingDateAndTime; + regid impIdent; + uint8_t impUse[64]; + __le32 predecessorVolDescSeqLocation; + __le16 flags; + uint8_t reserved[22]; } __attribute__ ((packed)); /* Flags (ECMA 167r3 3/10.1.21) */ @@ -232,26 +232,26 @@ struct primaryVolDesc { /* Anchor Volume Descriptor Pointer (ECMA 167r3 3/10.2) */ struct anchorVolDescPtr { - tag descTag; - extent_ad mainVolDescSeqExt; - extent_ad reserveVolDescSeqExt; - uint8_t reserved[480]; + tag descTag; + extent_ad mainVolDescSeqExt; + extent_ad reserveVolDescSeqExt; + uint8_t reserved[480]; } __attribute__ ((packed)); /* Volume Descriptor Pointer (ECMA 167r3 3/10.3) */ struct volDescPtr { - tag descTag; - __le32 volDescSeqNum; - extent_ad nextVolDescSeqExt; - uint8_t reserved[484]; + tag descTag; + __le32 volDescSeqNum; + extent_ad nextVolDescSeqExt; + uint8_t reserved[484]; } __attribute__ ((packed)); /* Implementation Use Volume Descriptor (ECMA 167r3 3/10.4) */ struct impUseVolDesc { - tag descTag; - __le32 volDescSeqNum; - regid impIdent; - uint8_t impUse[460]; + tag descTag; + __le32 volDescSeqNum; + regid impIdent; + uint8_t impUse[460]; } __attribute__ ((packed)); /* Partition Descriptor (ECMA 167r3 3/10.5) */ @@ -291,26 +291,26 @@ struct partitionDesc { /* Logical Volume Descriptor (ECMA 167r3 3/10.6) */ struct logicalVolDesc { - tag descTag; - __le32 volDescSeqNum; - charspec descCharSet; - dstring logicalVolIdent[128]; - __le32 logicalBlockSize; - regid domainIdent; - uint8_t logicalVolContentsUse[16]; - __le32 mapTableLength; - __le32 numPartitionMaps; - regid impIdent; - uint8_t impUse[128]; - extent_ad integritySeqExt; - uint8_t partitionMaps[0]; + tag descTag; + __le32 volDescSeqNum; + charspec descCharSet; + dstring logicalVolIdent[128]; + __le32 logicalBlockSize; + regid domainIdent; + uint8_t logicalVolContentsUse[16]; + __le32 mapTableLength; + __le32 numPartitionMaps; + regid impIdent; + uint8_t impUse[128]; + extent_ad integritySeqExt; + uint8_t partitionMaps[0]; } __attribute__ ((packed)); /* Generic Partition Map (ECMA 167r3 3/10.7.1) */ struct genericPartitionMap { - uint8_t partitionMapType; - uint8_t partitionMapLength; - uint8_t partitionMapping[0]; + uint8_t partitionMapType; + uint8_t partitionMapLength; + uint8_t partitionMapping[0]; } __attribute__ ((packed)); /* Partition Map Type (ECMA 167r3 3/10.7.1.1) */ @@ -320,45 +320,45 @@ struct genericPartitionMap { /* Type 1 Partition Map (ECMA 167r3 3/10.7.2) */ struct genericPartitionMap1 { - uint8_t partitionMapType; - uint8_t partitionMapLength; - __le16 volSeqNum; - __le16 partitionNum; + uint8_t partitionMapType; + uint8_t partitionMapLength; + __le16 volSeqNum; + __le16 partitionNum; } __attribute__ ((packed)); /* Type 2 Partition Map (ECMA 167r3 3/10.7.3) */ struct genericPartitionMap2 { - uint8_t partitionMapType; - uint8_t partitionMapLength; - uint8_t partitionIdent[62]; + uint8_t partitionMapType; + uint8_t partitionMapLength; + uint8_t partitionIdent[62]; } __attribute__ ((packed)); /* Unallocated Space Descriptor (ECMA 167r3 3/10.8) */ struct unallocSpaceDesc { - tag descTag; - __le32 volDescSeqNum; - __le32 numAllocDescs; - extent_ad allocDescs[0]; + tag descTag; + __le32 volDescSeqNum; + __le32 numAllocDescs; + extent_ad allocDescs[0]; } __attribute__ ((packed)); /* Terminating Descriptor (ECMA 167r3 3/10.9) */ struct terminatingDesc { - tag descTag; - uint8_t reserved[496]; + tag descTag; + uint8_t reserved[496]; } __attribute__ ((packed)); /* Logical Volume Integrity Descriptor (ECMA 167r3 3/10.10) */ struct logicalVolIntegrityDesc { - tag descTag; - timestamp recordingDateAndTime; - __le32 integrityType; - extent_ad nextIntegrityExt; - uint8_t logicalVolContentsUse[32]; - __le32 numOfPartitions; - __le32 lengthOfImpUse; - __le32 freeSpaceTable[0]; - __le32 sizeTable[0]; - uint8_t impUse[0]; + tag descTag; + timestamp recordingDateAndTime; + __le32 integrityType; + extent_ad nextIntegrityExt; + uint8_t logicalVolContentsUse[32]; + __le32 numOfPartitions; + __le32 lengthOfImpUse; + __le32 freeSpaceTable[0]; + __le32 sizeTable[0]; + uint8_t impUse[0]; } __attribute__ ((packed)); /* Integrity Type (ECMA 167r3 3/10.10.3) */ @@ -367,48 +367,48 @@ struct logicalVolIntegrityDesc { /* Recorded Address (ECMA 167r3 4/7.1) */ typedef struct { - __le32 logicalBlockNum; - __le16 partitionReferenceNum; + __le32 logicalBlockNum; + __le16 partitionReferenceNum; } __attribute__ ((packed)) lb_addr; /* ... and its in-core analog */ typedef struct { - uint32_t logicalBlockNum; - uint16_t partitionReferenceNum; + uint32_t logicalBlockNum; + uint16_t partitionReferenceNum; } kernel_lb_addr; /* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */ typedef struct { - __le32 extLength; - __le32 extPosition; + __le32 extLength; + __le32 extPosition; } __attribute__ ((packed)) short_ad; /* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */ typedef struct { - __le32 extLength; - lb_addr extLocation; - uint8_t impUse[6]; + __le32 extLength; + lb_addr extLocation; + uint8_t impUse[6]; } __attribute__ ((packed)) long_ad; typedef struct { - uint32_t extLength; - kernel_lb_addr extLocation; - uint8_t impUse[6]; + uint32_t extLength; + kernel_lb_addr extLocation; + uint8_t impUse[6]; } kernel_long_ad; /* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */ typedef struct { - __le32 extLength; - __le32 recordedLength; - __le32 informationLength; - lb_addr extLocation; + __le32 extLength; + __le32 recordedLength; + __le32 informationLength; + lb_addr extLocation; } __attribute__ ((packed)) ext_ad; typedef struct { - uint32_t extLength; - uint32_t recordedLength; - uint32_t informationLength; - kernel_lb_addr extLocation; + uint32_t extLength; + uint32_t recordedLength; + uint32_t informationLength; + kernel_lb_addr extLocation; } kernel_ext_ad; /* Descriptor Tag (ECMA 167r3 4/7.2 - See 3/7.2) */ @@ -428,48 +428,48 @@ typedef struct { /* File Set Descriptor (ECMA 167r3 4/14.1) */ struct fileSetDesc { - tag descTag; - timestamp recordingDateAndTime; - __le16 interchangeLvl; - __le16 maxInterchangeLvl; - __le32 charSetList; - __le32 maxCharSetList; - __le32 fileSetNum; - __le32 fileSetDescNum; - charspec logicalVolIdentCharSet; - dstring logicalVolIdent[128]; - charspec fileSetCharSet; - dstring fileSetIdent[32]; - dstring copyrightFileIdent[32]; - dstring abstractFileIdent[32]; - long_ad rootDirectoryICB; - regid domainIdent; - long_ad nextExt; - long_ad streamDirectoryICB; - uint8_t reserved[32]; + tag descTag; + timestamp recordingDateAndTime; + __le16 interchangeLvl; + __le16 maxInterchangeLvl; + __le32 charSetList; + __le32 maxCharSetList; + __le32 fileSetNum; + __le32 fileSetDescNum; + charspec logicalVolIdentCharSet; + dstring logicalVolIdent[128]; + charspec fileSetCharSet; + dstring fileSetIdent[32]; + dstring copyrightFileIdent[32]; + dstring abstractFileIdent[32]; + long_ad rootDirectoryICB; + regid domainIdent; + long_ad nextExt; + long_ad streamDirectoryICB; + uint8_t reserved[32]; } __attribute__ ((packed)); /* Partition Header Descriptor (ECMA 167r3 4/14.3) */ struct partitionHeaderDesc { - short_ad unallocSpaceTable; - short_ad unallocSpaceBitmap; - short_ad partitionIntegrityTable; - short_ad freedSpaceTable; - short_ad freedSpaceBitmap; - uint8_t reserved[88]; + short_ad unallocSpaceTable; + short_ad unallocSpaceBitmap; + short_ad partitionIntegrityTable; + short_ad freedSpaceTable; + short_ad freedSpaceBitmap; + uint8_t reserved[88]; } __attribute__ ((packed)); /* File Identifier Descriptor (ECMA 167r3 4/14.4) */ struct fileIdentDesc { - tag descTag; - __le16 fileVersionNum; - uint8_t fileCharacteristics; - uint8_t lengthFileIdent; - long_ad icb; - __le16 lengthOfImpUse; - uint8_t impUse[0]; - uint8_t fileIdent[0]; - uint8_t padding[0]; + tag descTag; + __le16 fileVersionNum; + uint8_t fileCharacteristics; + uint8_t lengthFileIdent; + long_ad icb; + __le16 lengthOfImpUse; + uint8_t impUse[0]; + uint8_t fileIdent[0]; + uint8_t padding[0]; } __attribute__ ((packed)); /* File Characteristics (ECMA 167r3 4/14.4.3) */ @@ -481,21 +481,21 @@ struct fileIdentDesc { /* Allocation Ext Descriptor (ECMA 167r3 4/14.5) */ struct allocExtDesc { - tag descTag; - __le32 previousAllocExtLocation; - __le32 lengthAllocDescs; + tag descTag; + __le32 previousAllocExtLocation; + __le32 lengthAllocDescs; } __attribute__ ((packed)); /* ICB Tag (ECMA 167r3 4/14.6) */ typedef struct { - __le32 priorRecordedNumDirectEntries; - __le16 strategyType; - __le16 strategyParameter; - __le16 numEntries; - uint8_t reserved; - uint8_t fileType; - lb_addr parentICBLocation; - __le16 flags; + __le32 priorRecordedNumDirectEntries; + __le16 strategyType; + __le16 strategyParameter; + __le16 numEntries; + uint8_t reserved; + uint8_t fileType; + lb_addr parentICBLocation; + __le16 flags; } __attribute__ ((packed)) icbtag; /* Strategy Type (ECMA 167r3 4/14.6.2) */ @@ -541,41 +541,41 @@ typedef struct { /* Indirect Entry (ECMA 167r3 4/14.7) */ struct indirectEntry { - tag descTag; - icbtag icbTag; - long_ad indirectICB; + tag descTag; + icbtag icbTag; + long_ad indirectICB; } __attribute__ ((packed)); /* Terminal Entry (ECMA 167r3 4/14.8) */ struct terminalEntry { - tag descTag; - icbtag icbTag; + tag descTag; + icbtag icbTag; } __attribute__ ((packed)); /* File Entry (ECMA 167r3 4/14.9) */ struct fileEntry { - tag descTag; - icbtag icbTag; - __le32 uid; - __le32 gid; - __le32 permissions; - __le16 fileLinkCount; - uint8_t recordFormat; - uint8_t recordDisplayAttr; - __le32 recordLength; - __le64 informationLength; - __le64 logicalBlocksRecorded; - timestamp accessTime; - timestamp modificationTime; - timestamp attrTime; - __le32 checkpoint; - long_ad extendedAttrICB; - regid impIdent; - __le64 uniqueID; - __le32 lengthExtendedAttr; - __le32 lengthAllocDescs; - uint8_t extendedAttr[0]; - uint8_t allocDescs[0]; + tag descTag; + icbtag icbTag; + __le32 uid; + __le32 gid; + __le32 permissions; + __le16 fileLinkCount; + uint8_t recordFormat; + uint8_t recordDisplayAttr; + __le32 recordLength; + __le64 informationLength; + __le64 logicalBlocksRecorded; + timestamp accessTime; + timestamp modificationTime; + timestamp attrTime; + __le32 checkpoint; + long_ad extendedAttrICB; + regid impIdent; + __le64 uniqueID; + __le32 lengthExtendedAttr; + __le32 lengthAllocDescs; + uint8_t extendedAttr[0]; + uint8_t allocDescs[0]; } __attribute__ ((packed)); /* Permissions (ECMA 167r3 4/14.9.5) */ @@ -617,51 +617,51 @@ struct fileEntry { /* Extended Attribute Header Descriptor (ECMA 167r3 4/14.10.1) */ struct extendedAttrHeaderDesc { - tag descTag; - __le32 impAttrLocation; - __le32 appAttrLocation; + tag descTag; + __le32 impAttrLocation; + __le32 appAttrLocation; } __attribute__ ((packed)); /* Generic Format (ECMA 167r3 4/14.10.2) */ struct genericFormat { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - uint8_t attrData[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + uint8_t attrData[0]; } __attribute__ ((packed)); /* Character Set Information (ECMA 167r3 4/14.10.3) */ struct charSetInfo { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 escapeSeqLength; - uint8_t charSetType; - uint8_t escapeSeq[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 escapeSeqLength; + uint8_t charSetType; + uint8_t escapeSeq[0]; } __attribute__ ((packed)); /* Alternate Permissions (ECMA 167r3 4/14.10.4) */ struct altPerms { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le16 ownerIdent; - __le16 groupIdent; - __le16 permission; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le16 ownerIdent; + __le16 groupIdent; + __le16 permission; } __attribute__ ((packed)); /* File Times Extended Attribute (ECMA 167r3 4/14.10.5) */ struct fileTimesExtAttr { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 dataLength; - __le32 fileTimeExistence; - uint8_t fileTimes; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 dataLength; + __le32 fileTimeExistence; + uint8_t fileTimes; } __attribute__ ((packed)); /* FileTimeExistence (ECMA 167r3 4/14.10.5.6) */ @@ -672,47 +672,47 @@ struct fileTimesExtAttr { /* Information Times Extended Attribute (ECMA 167r3 4/14.10.6) */ struct infoTimesExtAttr { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 dataLength; - __le32 infoTimeExistence; - uint8_t infoTimes[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 dataLength; + __le32 infoTimeExistence; + uint8_t infoTimes[0]; } __attribute__ ((packed)); /* Device Specification (ECMA 167r3 4/14.10.7) */ struct deviceSpec { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 impUseLength; - __le32 majorDeviceIdent; - __le32 minorDeviceIdent; - uint8_t impUse[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 impUseLength; + __le32 majorDeviceIdent; + __le32 minorDeviceIdent; + uint8_t impUse[0]; } __attribute__ ((packed)); /* Implementation Use Extended Attr (ECMA 167r3 4/14.10.8) */ struct impUseExtAttr { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 impUseLength; - regid impIdent; - uint8_t impUse[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 impUseLength; + regid impIdent; + uint8_t impUse[0]; } __attribute__ ((packed)); /* Application Use Extended Attribute (ECMA 167r3 4/14.10.9) */ struct appUseExtAttr { - __le32 attrType; - uint8_t attrSubtype; - uint8_t reserved[3]; - __le32 attrLength; - __le32 appUseLength; - regid appIdent; - uint8_t appUse[0]; + __le32 attrType; + uint8_t attrSubtype; + uint8_t reserved[3]; + __le32 attrLength; + __le32 appUseLength; + regid appIdent; + uint8_t appUse[0]; } __attribute__ ((packed)); #define EXTATTR_CHAR_SET 1 @@ -725,29 +725,29 @@ struct appUseExtAttr { /* Unallocated Space Entry (ECMA 167r3 4/14.11) */ struct unallocSpaceEntry { - tag descTag; - icbtag icbTag; - __le32 lengthAllocDescs; - uint8_t allocDescs[0]; + tag descTag; + icbtag icbTag; + __le32 lengthAllocDescs; + uint8_t allocDescs[0]; } __attribute__ ((packed)); /* Space Bitmap Descriptor (ECMA 167r3 4/14.12) */ struct spaceBitmapDesc { - tag descTag; - __le32 numOfBits; - __le32 numOfBytes; - uint8_t bitmap[0]; + tag descTag; + __le32 numOfBits; + __le32 numOfBytes; + uint8_t bitmap[0]; } __attribute__ ((packed)); /* Partition Integrity Entry (ECMA 167r3 4/14.13) */ struct partitionIntegrityEntry { - tag descTag; - icbtag icbTag; - timestamp recordingDateAndTime; - uint8_t integrityType; - uint8_t reserved[175]; - regid impIdent; - uint8_t impUse[256]; + tag descTag; + icbtag icbTag; + timestamp recordingDateAndTime; + uint8_t integrityType; + uint8_t reserved[175]; + regid impIdent; + uint8_t impUse[256]; } __attribute__ ((packed)); /* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */ @@ -764,46 +764,46 @@ struct partitionIntegrityEntry { /* Logical Volume Header Descriptor (ECMA 167r3 4/14.15) */ struct logicalVolHeaderDesc { - __le64 uniqueID; - uint8_t reserved[24]; + __le64 uniqueID; + uint8_t reserved[24]; } __attribute__ ((packed)); /* Path Component (ECMA 167r3 4/14.16.1) */ struct pathComponent { - uint8_t componentType; - uint8_t lengthComponentIdent; - __le16 componentFileVersionNum; - dstring componentIdent[0]; + uint8_t componentType; + uint8_t lengthComponentIdent; + __le16 componentFileVersionNum; + dstring componentIdent[0]; } __attribute__ ((packed)); /* File Entry (ECMA 167r3 4/14.17) */ struct extendedFileEntry { - tag descTag; - icbtag icbTag; - __le32 uid; - __le32 gid; - __le32 permissions; - __le16 fileLinkCount; - uint8_t recordFormat; - uint8_t recordDisplayAttr; - __le32 recordLength; - __le64 informationLength; - __le64 objectSize; - __le64 logicalBlocksRecorded; - timestamp accessTime; - timestamp modificationTime; - timestamp createTime; - timestamp attrTime; - __le32 checkpoint; - __le32 reserved; - long_ad extendedAttrICB; - long_ad streamDirectoryICB; - regid impIdent; - __le64 uniqueID; - __le32 lengthExtendedAttr; - __le32 lengthAllocDescs; - uint8_t extendedAttr[0]; - uint8_t allocDescs[0]; -} __attribute__ ((packed)); - -#endif /* _ECMA_167_H */ + tag descTag; + icbtag icbTag; + __le32 uid; + __le32 gid; + __le32 permissions; + __le16 fileLinkCount; + uint8_t recordFormat; + uint8_t recordDisplayAttr; + __le32 recordLength; + __le64 informationLength; + __le64 objectSize; + __le64 logicalBlocksRecorded; + timestamp accessTime; + timestamp modificationTime; + timestamp createTime; + timestamp attrTime; + __le32 checkpoint; + __le32 reserved; + long_ad extendedAttrICB; + long_ad streamDirectoryICB; + regid impIdent; + __le64 uniqueID; + __le32 lengthExtendedAttr; + __le32 lengthAllocDescs; + uint8_t extendedAttr[0]; + uint8_t allocDescs[0]; +} __attribute__ ((packed)); + +#endif /* _ECMA_167_H */ diff --git a/fs/udf/file.c b/fs/udf/file.c index 67bf36bd3e6..5d7a4ea2775 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -30,7 +30,7 @@ #include <linux/udf_fs.h> #include <asm/uaccess.h> #include <linux/kernel.h> -#include <linux/string.h> /* memset */ +#include <linux/string.h> /* memset */ #include <linux/capability.h> #include <linux/errno.h> #include <linux/smp_lock.h> @@ -55,11 +55,11 @@ static int udf_adinicb_readpage(struct file *file, struct page *page) SetPageUptodate(page); kunmap(page); unlock_page(page); + return 0; } -static int udf_adinicb_writepage(struct page *page, - struct writeback_control *wbc) +static int udf_adinicb_writepage(struct page *page, struct writeback_control *wbc) { struct inode *inode = page->mapping->host; char *kaddr; @@ -72,6 +72,7 @@ static int udf_adinicb_writepage(struct page *page, SetPageUptodate(page); kunmap(page); unlock_page(page); + return 0; } @@ -100,11 +101,11 @@ static int udf_adinicb_commit_write(struct file *file, struct page *page, } const struct address_space_operations udf_adinicb_aops = { - .readpage = udf_adinicb_readpage, - .writepage = udf_adinicb_writepage, - .sync_page = block_sync_page, - .prepare_write = udf_adinicb_prepare_write, - .commit_write = udf_adinicb_commit_write, + .readpage = udf_adinicb_readpage, + .writepage = udf_adinicb_writepage, + .sync_page = block_sync_page, + .prepare_write = udf_adinicb_prepare_write, + .commit_write = udf_adinicb_commit_write, }; static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, @@ -122,8 +123,8 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, else pos = ppos; - if (inode->i_sb->s_blocksize < - (udf_file_entry_alloc_offset(inode) + pos + count)) { + if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) + + pos + count)) { udf_expand_file_adinicb(inode, pos + count, &err); if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { udf_debug("udf_expand_adinicb: err=%d\n", err); @@ -138,9 +139,9 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, } retval = generic_file_aio_write(iocb, iov, nr_segs, ppos); - if (retval > 0) mark_inode_dirty(inode); + return retval; } @@ -181,10 +182,12 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov, int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { + long old_block, new_block; int result = -EINVAL; if (file_permission(filp, MAY_READ) != 0) { - udf_debug("no permission to access inode %lu\n", inode->i_ino); + udf_debug("no permission to access inode %lu\n", + inode->i_ino); return -EPERM; } @@ -196,26 +199,19 @@ int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, switch (cmd) { case UDF_GETVOLIDENT: return copy_to_user((char __user *)arg, - UDF_SB_VOLIDENT(inode->i_sb), - 32) ? -EFAULT : 0; + UDF_SB_VOLIDENT(inode->i_sb), 32) ? -EFAULT : 0; case UDF_RELOCATE_BLOCKS: - { - long old, new; - - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - if (get_user(old, (long __user *)arg)) - return -EFAULT; - if ((result = udf_relocate_blocks(inode->i_sb, - old, &new)) == 0) - result = put_user(new, (long __user *)arg); - - return result; - } + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + if (get_user(old_block, (long __user *)arg)) + return -EFAULT; + if ((result = udf_relocate_blocks(inode->i_sb, + old_block, &new_block)) == 0) + result = put_user(new_block, (long __user *)arg); + return result; case UDF_GETEASIZE: result = put_user(UDF_I_LENEATTR(inode), (int __user *)arg); break; - case UDF_GETEABLOCK: result = copy_to_user((char __user *)arg, UDF_I_DATA(inode), UDF_I_LENEATTR(inode)) ? -EFAULT : 0; @@ -248,16 +244,16 @@ static int udf_release_file(struct inode *inode, struct file *filp) } const struct file_operations udf_file_operations = { - .read = do_sync_read, - .aio_read = generic_file_aio_read, - .ioctl = udf_ioctl, - .open = generic_file_open, - .mmap = generic_file_mmap, - .write = do_sync_write, - .aio_write = udf_file_aio_write, - .release = udf_release_file, - .fsync = udf_fsync_file, - .splice_read = generic_file_splice_read, + .read = do_sync_read, + .aio_read = generic_file_aio_read, + .ioctl = udf_ioctl, + .open = generic_file_open, + .mmap = generic_file_mmap, + .write = do_sync_write, + .aio_write = udf_file_aio_write, + .release = udf_release_file, + .fsync = udf_fsync_file, + .splice_read = generic_file_splice_read, }; const struct inode_operations udf_file_inode_operations = { diff --git a/fs/udf/fsync.c b/fs/udf/fsync.c index 7f0901c4f1f..b2c472b733b 100644 --- a/fs/udf/fsync.c +++ b/fs/udf/fsync.c @@ -32,6 +32,7 @@ static int udf_fsync_inode(struct inode *, int); int udf_fsync_file(struct file *file, struct dentry *dentry, int datasync) { struct inode *inode = dentry->d_inode; + return udf_fsync_inode(inode, datasync); } @@ -46,5 +47,6 @@ static int udf_fsync_inode(struct inode *inode, int datasync) return err; err |= udf_sync_inode(inode); + return err ? -EIO : 0; } diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 2eb503806bc..636d8f61392 100644 --- a/fs/udf/ialloc.c +++ b/fs/udf/ialloc.c @@ -46,12 +46,10 @@ void udf_free_inode(struct inode *inode) if (sbi->s_lvidbh) { if (S_ISDIR(inode->i_mode)) UDF_SB_LVIDIU(sb)->numDirs = - cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) - - 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) - 1); else UDF_SB_LVIDIU(sb)->numFiles = - cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - - 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - 1); mark_buffer_dirty(sbi->s_lvidbh); } @@ -82,10 +80,8 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) UDF_I_NEXT_ALLOC_GOAL(inode) = 0; UDF_I_STRAT4096(inode) = 0; - block = - udf_new_block(dir->i_sb, NULL, - UDF_I_LOCATION(dir).partitionReferenceNum, start, - err); + block = udf_new_block(dir->i_sb, NULL, UDF_I_LOCATION(dir).partitionReferenceNum, + start, err); if (*err) { iput(inode); return NULL; @@ -95,17 +91,13 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) if (UDF_SB_LVIDBH(sb)) { struct logicalVolHeaderDesc *lvhd; uint64_t uniqueID; - lvhd = - (struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)-> - logicalVolContentsUse); + lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)->logicalVolContentsUse); if (S_ISDIR(mode)) UDF_SB_LVIDIU(sb)->numDirs = - cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) - + 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) + 1); else UDF_SB_LVIDIU(sb)->numFiles = - cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - + 1); + cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) + 1); UDF_I_UNIQUE(inode) = uniqueID = le64_to_cpu(lvhd->uniqueID); if (!(++uniqueID & 0x00000000FFFFFFFFUL)) uniqueID += 16; @@ -118,12 +110,12 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) inode->i_gid = dir->i_gid; if (S_ISDIR(mode)) mode |= S_ISGID; - } else + } else { inode->i_gid = current->fsgid; + } UDF_I_LOCATION(inode).logicalBlockNum = block; - UDF_I_LOCATION(inode).partitionReferenceNum = - UDF_I_LOCATION(dir).partitionReferenceNum; + UDF_I_LOCATION(inode).partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum; inode->i_ino = udf_get_lb_pblock(sb, UDF_I_LOCATION(inode), 0); inode->i_blocks = 0; UDF_I_LENEATTR(inode) = 0; @@ -132,14 +124,10 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) { UDF_I_EFE(inode) = 1; UDF_UPDATE_UDFREV(inode->i_sb, UDF_VERS_USE_EXTENDED_FE); - UDF_I_DATA(inode) = - kzalloc(inode->i_sb->s_blocksize - - sizeof(struct extendedFileEntry), GFP_KERNEL); + UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL); } else { UDF_I_EFE(inode) = 0; - UDF_I_DATA(inode) = - kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), - GFP_KERNEL); + UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL); } if (!UDF_I_DATA(inode)) { iput(inode); @@ -154,7 +142,7 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err) else UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_LONG; inode->i_mtime = inode->i_atime = inode->i_ctime = - UDF_I_CRTIME(inode) = current_fs_time(inode->i_sb); + UDF_I_CRTIME(inode) = current_fs_time(inode->i_sb); insert_inode_hash(inode); mark_inode_dirty(inode); mutex_unlock(&sbi->s_alloc_mutex); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index be6326f449a..0d2c41666cd 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -97,7 +97,8 @@ void udf_delete_inode(struct inode *inode) unlock_kernel(); return; - no_delete: + +no_delete: clear_inode(inode); } @@ -144,12 +145,12 @@ static sector_t udf_bmap(struct address_space *mapping, sector_t block) } const struct address_space_operations udf_aops = { - .readpage = udf_readpage, - .writepage = udf_writepage, - .sync_page = block_sync_page, - .prepare_write = udf_prepare_write, - .commit_write = generic_commit_write, - .bmap = udf_bmap, + .readpage = udf_readpage, + .writepage = udf_writepage, + .sync_page = block_sync_page, + .prepare_write = udf_prepare_write, + .commit_write = generic_commit_write, + .bmap = udf_bmap, }; void udf_expand_file_adinicb(struct inode *inode, int newsize, int *err) @@ -230,12 +231,10 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block, *block = udf_new_block(inode->i_sb, inode, UDF_I_LOCATION(inode).partitionReferenceNum, UDF_I_LOCATION(inode).logicalBlockNum, err); - if (!(*block)) return NULL; newblock = udf_get_pblock(inode->i_sb, *block, - UDF_I_LOCATION(inode).partitionReferenceNum, - 0); + UDF_I_LOCATION(inode).partitionReferenceNum, 0); if (!newblock) return NULL; dbh = udf_tgetblk(inode->i_sb, newblock); @@ -247,16 +246,13 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block, unlock_buffer(dbh); mark_buffer_dirty_inode(dbh, inode); - sfibh.soffset = sfibh.eoffset = - (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2; + sfibh.soffset = sfibh.eoffset = (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2; 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); + sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL); if (!sfi) { brelse(dbh); return NULL; @@ -267,8 +263,7 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block, dfibh.eoffset += (sfibh.eoffset - sfibh.soffset); dfi = (struct fileIdentDesc *)(dbh->b_data + dfibh.soffset); if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse, - sfi->fileIdent + - le16_to_cpu(sfi->lengthOfImpUse))) { + sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse))) { UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; brelse(dbh); return NULL; @@ -276,12 +271,10 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block, } mark_buffer_dirty_inode(dbh, inode); - memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, - UDF_I_LENALLOC(inode)); + memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, UDF_I_LENALLOC(inode)); UDF_I_LENALLOC(inode) = 0; eloc.logicalBlockNum = *block; - eloc.partitionReferenceNum = - UDF_I_LOCATION(inode).partitionReferenceNum; + eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; elen = inode->i_size; UDF_I_LENEXTENTS(inode) = elen; epos.bh = NULL; @@ -334,11 +327,12 @@ static int udf_get_block(struct inode *inode, sector_t block, if (new) set_buffer_new(bh_result); map_bh(bh_result, inode->i_sb, phys); - abort: + +abort: unlock_kernel(); return err; - abort_negative: +abort_negative: udf_warning(inode->i_sb, "udf_get_block", "block < 0"); goto abort; } @@ -346,13 +340,13 @@ static int udf_get_block(struct inode *inode, sector_t block, static struct buffer_head *udf_getblk(struct inode *inode, long block, int create, int *err) { + struct buffer_head *bh; struct buffer_head dummy; dummy.b_state = 0; dummy.b_blocknr = -1000; *err = udf_get_block(inode, block, &dummy, create); if (!*err && buffer_mapped(&dummy)) { - struct buffer_head *bh; bh = sb_getblk(inode->i_sb, dummy.b_blocknr); if (buffer_new(&dummy)) { lock_buffer(bh); @@ -363,6 +357,7 @@ static struct buffer_head *udf_getblk(struct inode *inode, long block, } return bh; } + return NULL; } @@ -373,42 +368,41 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos, 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 }; + kernel_lb_addr prealloc_loc = {}; 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)); + (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); + (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) { + 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->extLength & UDF_EXTENT_LENGTH_MASK); last_ext->extLocation.logicalBlockNum = 0; - last_ext->extLocation.partitionReferenceNum = 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 ((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; @@ -419,19 +413,20 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos, 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); + } 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); + 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; @@ -442,22 +437,23 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos, } if (blocks) { last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | - (blocks << sb->s_blocksize_bits); + (blocks << sb->s_blocksize_bits); if (udf_add_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1) == -1) return -1; count++; } - out: + +out: /* Do we have some preallocated blocks saved? */ if (prealloc_len) { - if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1) - == -1) + 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); @@ -465,6 +461,7 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos, last_pos->offset -= sizeof(long_ad); else return -1; + return count; } @@ -490,7 +487,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, 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; + 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 @@ -515,8 +512,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, prev_epos.offset = cur_epos.offset; cur_epos.offset = next_epos.offset; - if ((etype = - udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1) + if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1) break; c = !c; @@ -526,8 +522,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, if (etype != (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) pgoal = eloc.logicalBlockNum + - ((elen + inode->i_sb->s_blocksize - 1) >> - inode->i_sb->s_blocksize_bits); + ((elen + inode->i_sb->s_blocksize - 1) >> + inode->i_sb->s_blocksize_bits); count++; } while (lbcount + elen <= b_off); @@ -547,8 +543,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, if (etype == (EXT_RECORDED_ALLOCATED >> 30)) { if (elen & (inode->i_sb->s_blocksize - 1)) { elen = EXT_RECORDED_ALLOCATED | - ((elen + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); + ((elen + inode->i_sb->s_blocksize - 1) & + ~(inode->i_sb->s_blocksize - 1)); etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1); } brelse(prev_epos.bh); @@ -570,8 +566,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, startnum = 1; } else { /* Create a fake extent when there's not one */ - memset(&laarr[0].extLocation, 0x00, - sizeof(kernel_lb_addr)); + 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); @@ -591,16 +586,14 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, offset = 0; count += ret; /* We are not covered by a preallocated extent? */ - if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) != - EXT_NOT_RECORDED_ALLOCATED) { + 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)); + inode->i_sb->s_blocksize; + memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr)); count++; endnum++; } @@ -618,8 +611,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, } /* 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) { + if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) { laarr[c + 1].extLength = (etype << 30) | elen; laarr[c + 1].extLocation = eloc; count++; @@ -631,24 +623,21 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, } /* if the current extent is not recorded but allocated, get the - block in the extent corresponding to the requested block */ - if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) + * block in the extent corresponding to the requested block */ + if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { newblocknum = laarr[c].extLocation.logicalBlockNum + offset; - else { /* otherwise, allocate a new block */ - + } else { /* otherwise, allocate a new block */ if (UDF_I_NEXT_ALLOC_BLOCK(inode) == block) goal = UDF_I_NEXT_ALLOC_GOAL(inode); if (!goal) { if (!(goal = pgoal)) - goal = - UDF_I_LOCATION(inode).logicalBlockNum + 1; + goal = UDF_I_LOCATION(inode).logicalBlockNum + 1; } if (!(newblocknum = udf_new_block(inode->i_sb, inode, - UDF_I_LOCATION(inode). - partitionReferenceNum, goal, - err))) { + UDF_I_LOCATION(inode).partitionReferenceNum, + goal, err))) { brelse(prev_epos.bh); *err = -ENOSPC; return NULL; @@ -657,8 +646,8 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, } /* if the extent the requsted block is located in contains multiple blocks, - split the extent into at most three extents. blocks prior to requested - block, requested block, and blocks after requested block */ + * split the extent into at most three extents. blocks prior to requested + * block, requested block, and blocks after requested block */ udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum); #ifdef UDF_PREALLOCATE @@ -670,15 +659,14 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t 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 */ + * 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); brelse(prev_epos.bh); if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum, - UDF_I_LOCATION(inode). - partitionReferenceNum, 0))) { + UDF_I_LOCATION(inode).partitionReferenceNum, 0))) { return NULL; } *phys = newblock; @@ -692,6 +680,7 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block, udf_sync_inode(inode); else mark_inode_dirty(inode); + return result; } @@ -701,16 +690,15 @@ static void udf_split_extents(struct inode *inode, int *c, int offset, int *endnum) { if ((laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30) || - (laarr[*c].extLength >> 30) == - (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) { + (laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) { int curr = *c; int blen = ((laarr[curr].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits; + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits; int8_t etype = (laarr[curr].extLength >> 30); - if (blen == 1) ; - else if (!offset || blen == offset + 1) { + if (blen == 1) { + ; + } else if (!offset || blen == offset + 1) { laarr[curr + 2] = laarr[curr + 1]; laarr[curr + 1] = laarr[curr]; } else { @@ -720,20 +708,15 @@ static void udf_split_extents(struct inode *inode, int *c, int offset, if (offset) { if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { - udf_free_blocks(inode->i_sb, inode, - laarr[curr].extLocation, 0, - offset); - laarr[curr].extLength = - EXT_NOT_RECORDED_NOT_ALLOCATED | (offset << - inode-> - i_sb-> - s_blocksize_bits); + udf_free_blocks(inode->i_sb, inode, laarr[curr].extLocation, 0, offset); + laarr[curr].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + (offset << inode->i_sb->s_blocksize_bits); laarr[curr].extLocation.logicalBlockNum = 0; - laarr[curr].extLocation.partitionReferenceNum = - 0; - } else + laarr[curr].extLocation.partitionReferenceNum = 0; + } else { laarr[curr].extLength = (etype << 30) | - (offset << inode->i_sb->s_blocksize_bits); + (offset << inode->i_sb->s_blocksize_bits); + } curr++; (*c)++; (*endnum)++; @@ -742,18 +725,16 @@ static void udf_split_extents(struct inode *inode, int *c, int offset, laarr[curr].extLocation.logicalBlockNum = newblocknum; if (etype == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) laarr[curr].extLocation.partitionReferenceNum = - UDF_I_LOCATION(inode).partitionReferenceNum; + UDF_I_LOCATION(inode).partitionReferenceNum; laarr[curr].extLength = EXT_RECORDED_ALLOCATED | - inode->i_sb->s_blocksize; + inode->i_sb->s_blocksize; curr++; if (blen != offset + 1) { if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) - laarr[curr].extLocation.logicalBlockNum += - (offset + 1); - laarr[curr].extLength = - (etype << 30) | ((blen - (offset + 1)) << inode-> - i_sb->s_blocksize_bits); + laarr[curr].extLocation.logicalBlockNum += (offset + 1); + laarr[curr].extLength = (etype << 30) | + ((blen - (offset + 1)) << inode->i_sb->s_blocksize_bits); curr++; (*endnum)++; } @@ -772,90 +753,69 @@ static void udf_prealloc_extents(struct inode *inode, int c, int lastblock, else start = c; } else { - if ((laarr[c + 1].extLength >> 30) == - (EXT_NOT_RECORDED_ALLOCATED >> 30)) { + if ((laarr[c + 1].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { start = c + 1; - length = currlength = - (((laarr[c + 1]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits); - } else + length = currlength = (((laarr[c + 1].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); + } else { start = c; + } } for (i = start + 1; i <= *endnum; i++) { if (i == *endnum) { if (lastblock) length += UDF_DEFAULT_PREALLOC_BLOCKS; - } else if ((laarr[i].extLength >> 30) == - (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) - length += - (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits); - else + } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) { + length += (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); + } else { break; + } } if (length) { int next = laarr[start].extLocation.logicalBlockNum + - (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits); + (((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); int numalloc = udf_prealloc_blocks(inode->i_sb, inode, - laarr[start].extLocation. - partitionReferenceNum, - next, - (UDF_DEFAULT_PREALLOC_BLOCKS - > - length ? length : - UDF_DEFAULT_PREALLOC_BLOCKS) - - currlength); - - if (numalloc) { - if (start == (c + 1)) + laarr[start].extLocation.partitionReferenceNum, + next, (UDF_DEFAULT_PREALLOC_BLOCKS > length ? length : + UDF_DEFAULT_PREALLOC_BLOCKS) - currlength); + if (numalloc) { + if (start == (c + 1)) { laarr[start].extLength += - (numalloc << inode->i_sb->s_blocksize_bits); - else { + (numalloc << inode->i_sb->s_blocksize_bits); + } else { memmove(&laarr[c + 2], &laarr[c + 1], sizeof(long_ad) * (*endnum - (c + 1))); (*endnum)++; laarr[c + 1].extLocation.logicalBlockNum = next; laarr[c + 1].extLocation.partitionReferenceNum = - laarr[c].extLocation.partitionReferenceNum; - laarr[c + 1].extLength = - EXT_NOT_RECORDED_ALLOCATED | (numalloc << - inode->i_sb-> - s_blocksize_bits); + laarr[c].extLocation.partitionReferenceNum; + laarr[c + 1].extLength = EXT_NOT_RECORDED_ALLOCATED | + (numalloc << inode->i_sb->s_blocksize_bits); start = c + 1; } for (i = start + 1; numalloc && i < *endnum; i++) { - int elen = - ((laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits; + int elen = ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits; if (elen > numalloc) { laarr[i].extLength -= - (numalloc << inode->i_sb-> - s_blocksize_bits); + (numalloc << inode->i_sb->s_blocksize_bits); numalloc = 0; } else { numalloc -= elen; if (*endnum > (i + 1)) - memmove(&laarr[i], - &laarr[i + 1], - sizeof(long_ad) * - (*endnum - (i + 1))); + memmove(&laarr[i], &laarr[i + 1], + sizeof(long_ad) * (*endnum - (i + 1))); i--; (*endnum)--; } } - UDF_I_LENEXTENTS(inode) += - numalloc << inode->i_sb->s_blocksize_bits; + UDF_I_LENEXTENTS(inode) += numalloc << inode->i_sb->s_blocksize_bits; } } } @@ -867,119 +827,68 @@ static void udf_merge_extents(struct inode *inode, int i; for (i = 0; i < (*endnum - 1); i++) { - if ((laarr[i].extLength >> 30) == - (laarr[i + 1].extLength >> 30)) { - if (((laarr[i].extLength >> 30) == - (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) - || - ((laarr[i + 1].extLocation.logicalBlockNum - - laarr[i].extLocation.logicalBlockNum) == + if ((laarr[i].extLength >> 30) == (laarr[i + 1].extLength >> 30)) { + if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) || + ((laarr[i + 1].extLocation.logicalBlockNum - laarr[i].extLocation.logicalBlockNum) == (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits))) { - if (((laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - (laarr[i + 1]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) & ~UDF_EXTENT_LENGTH_MASK) { - laarr[i + 1].extLength = - (laarr[i + 1].extLength - - (laarr[i]. - extLength & - UDF_EXTENT_LENGTH_MASK) + - UDF_EXTENT_LENGTH_MASK) & ~(inode-> - i_sb-> - s_blocksize - - 1); - laarr[i].extLength = - (laarr[i]. - extLength & UDF_EXTENT_FLAG_MASK) + - (UDF_EXTENT_LENGTH_MASK + 1) - - inode->i_sb->s_blocksize; - laarr[i + - 1].extLocation.logicalBlockNum = - laarr[i].extLocation. - logicalBlockNum + - ((laarr[i]. - extLength & - UDF_EXTENT_LENGTH_MASK) >> inode-> - i_sb->s_blocksize_bits); + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits))) { + if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) { + laarr[i + 1].extLength = (laarr[i + 1].extLength - + (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1); + laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) + + (UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize; + laarr[i + 1].extLocation.logicalBlockNum = + laarr[i].extLocation.logicalBlockNum + + ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) >> + inode->i_sb->s_blocksize_bits); } else { - laarr[i].extLength = - laarr[i + 1].extLength + - (((laarr[i]. - extLength & - UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) & ~(inode->i_sb->s_blocksize - - 1)); + laarr[i].extLength = laarr[i + 1].extLength + + (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1)); if (*endnum > (i + 2)) - memmove(&laarr[i + 1], - &laarr[i + 2], - sizeof(long_ad) * - (*endnum - (i + 2))); + memmove(&laarr[i + 1], &laarr[i + 2], + sizeof(long_ad) * (*endnum - (i + 2))); i--; (*endnum)--; } } - } else - if (((laarr[i].extLength >> 30) == - (EXT_NOT_RECORDED_ALLOCATED >> 30)) - && ((laarr[i + 1].extLength >> 30) == - (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) { - udf_free_blocks(inode->i_sb, inode, - laarr[i].extLocation, 0, - ((laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits); + } else if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) && + ((laarr[i + 1].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) { + udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0, + ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); laarr[i].extLocation.logicalBlockNum = 0; laarr[i].extLocation.partitionReferenceNum = 0; if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) & ~UDF_EXTENT_LENGTH_MASK) { - laarr[i + 1].extLength = - (laarr[i + 1].extLength - - (laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb-> - s_blocksize - - 1); - laarr[i].extLength = - (laarr[i]. - extLength & UDF_EXTENT_FLAG_MASK) + - (UDF_EXTENT_LENGTH_MASK + 1) - - inode->i_sb->s_blocksize; + inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) { + laarr[i + 1].extLength = (laarr[i + 1].extLength - + (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1); + laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) + + (UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize; } else { laarr[i].extLength = laarr[i + 1].extLength + - (((laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) & ~(inode->i_sb->s_blocksize - 1)); + (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1)); if (*endnum > (i + 2)) memmove(&laarr[i + 1], &laarr[i + 2], - sizeof(long_ad) * (*endnum - - (i + 2))); + sizeof(long_ad) * (*endnum - (i + 2))); i--; (*endnum)--; } - } else if ((laarr[i].extLength >> 30) == - (EXT_NOT_RECORDED_ALLOCATED >> 30)) { - udf_free_blocks(inode->i_sb, inode, - laarr[i].extLocation, 0, - ((laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits); + } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { + udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0, + ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) + + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits); laarr[i].extLocation.logicalBlockNum = 0; laarr[i].extLocation.partitionReferenceNum = 0; - laarr[i].extLength = - (laarr[i]. - extLength & UDF_EXTENT_LENGTH_MASK) | - EXT_NOT_RECORDED_NOT_ALLOCATED; + laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) | + EXT_NOT_RECORDED_NOT_ALLOCATED; } } } @@ -1025,10 +934,13 @@ struct buffer_head *udf_bread(struct inode *inode, int block, if (buffer_uptodate(bh)) return bh; + ll_rw_block(READ, 1, &bh); + wait_on_buffer(bh); if (buffer_uptodate(bh)) return bh; + brelse(bh); *err = -EIO; return NULL; @@ -1047,26 +959,24 @@ void udf_truncate(struct inode *inode) lock_kernel(); if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { - if (inode->i_sb->s_blocksize < - (udf_file_entry_alloc_offset(inode) + inode->i_size)) { + if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) + + inode->i_size)) { udf_expand_file_adinicb(inode, inode->i_size, &err); if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { inode->i_size = UDF_I_LENALLOC(inode); unlock_kernel(); return; - } else + } else { udf_truncate_extents(inode); + } } else { offset = inode->i_size & (inode->i_sb->s_blocksize - 1); - memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + - offset, 0x00, - inode->i_sb->s_blocksize - offset - - udf_file_entry_alloc_offset(inode)); + memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, 0x00, + inode->i_sb->s_blocksize - offset - udf_file_entry_alloc_offset(inode)); UDF_I_LENALLOC(inode) = inode->i_size; } } else { - block_truncate_page(inode->i_mapping, inode->i_size, - udf_get_block); + block_truncate_page(inode->i_mapping, inode->i_size, udf_get_block); udf_truncate_extents(inode); } @@ -1097,7 +1007,6 @@ static void __udf_read_inode(struct inode *inode) * i_op = NULL; */ bh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 0, &ident); - if (!bh) { printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed !bh\n", inode->i_ino); @@ -1107,8 +1016,7 @@ static void __udf_read_inode(struct inode *inode) if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE && ident != TAG_IDENT_USE) { - printk(KERN_ERR - "udf: udf_read_inode(ino %ld) failed ident=%d\n", + printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed ident=%d\n", inode->i_ino, ident); brelse(bh); make_bad_inode(inode); @@ -1121,9 +1029,7 @@ static void __udf_read_inode(struct inode *inode) struct buffer_head *ibh = NULL, *nbh = NULL; struct indirectEntry *ie; - ibh = - udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1, - &ident); + ibh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1, &ident); if (ident == TAG_IDENT_IE) { if (ibh) { kernel_lb_addr loc; @@ -1132,13 +1038,10 @@ static void __udf_read_inode(struct inode *inode) loc = lelb_to_cpu(ie->indirectICB.extLocation); if (ie->indirectICB.extLength && - (nbh = - udf_read_ptagged(inode->i_sb, loc, 0, - &ident))) { - if (ident == TAG_IDENT_FE - || ident == TAG_IDENT_EFE) { - memcpy(&UDF_I_LOCATION(inode), - &loc, + (nbh = udf_read_ptagged(inode->i_sb, loc, 0, &ident))) { + if (ident == TAG_IDENT_FE || + ident == TAG_IDENT_EFE) { + memcpy(&UDF_I_LOCATION(inode), &loc, sizeof(kernel_lb_addr)); brelse(bh); brelse(ibh); @@ -1149,11 +1052,13 @@ static void __udf_read_inode(struct inode *inode) brelse(nbh); brelse(ibh); } - } else + } else { brelse(ibh); + } } - } else + } else { 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)); @@ -1179,11 +1084,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) if (le16_to_cpu(fe->icbTag.strategyType) == 4) UDF_I_STRAT4096(inode) = 0; - else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */ + else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */ UDF_I_STRAT4096(inode) = 1; - UDF_I_ALLOCTYPE(inode) = - le16_to_cpu(fe->icbTag.flags) & ICBTAG_FLAG_AD_MASK; + UDF_I_ALLOCTYPE(inode) = le16_to_cpu(fe->icbTag.flags) & ICBTAG_FLAG_AD_MASK; UDF_I_UNIQUE(inode) = 0; UDF_I_LENEATTR(inode) = 0; UDF_I_LENEXTENTS(inode) = 0; @@ -1193,23 +1097,16 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_EFE) { UDF_I_EFE(inode) = 1; UDF_I_USE(inode) = 0; - if (udf_alloc_i_data - (inode, - inode->i_sb->s_blocksize - - sizeof(struct extendedFileEntry))) { + if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry))) { make_bad_inode(inode); return; } - memcpy(UDF_I_DATA(inode), - bh->b_data + sizeof(struct extendedFileEntry), - inode->i_sb->s_blocksize - - sizeof(struct extendedFileEntry)); + memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct extendedFileEntry), + inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry)); } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_FE) { UDF_I_EFE(inode) = 0; UDF_I_USE(inode) = 0; - if (udf_alloc_i_data - (inode, - inode->i_sb->s_blocksize - sizeof(struct fileEntry))) { + if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct fileEntry))) { make_bad_inode(inode); return; } @@ -1219,19 +1116,13 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) UDF_I_EFE(inode) = 0; UDF_I_USE(inode) = 1; UDF_I_LENALLOC(inode) = - le32_to_cpu(((struct unallocSpaceEntry *)bh->b_data)-> - lengthAllocDescs); - if (udf_alloc_i_data - (inode, - inode->i_sb->s_blocksize - - sizeof(struct unallocSpaceEntry))) { + le32_to_cpu(((struct unallocSpaceEntry *)bh->b_data)->lengthAllocDescs); + if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry))) { make_bad_inode(inode); return; } - memcpy(UDF_I_DATA(inode), - bh->b_data + sizeof(struct unallocSpaceEntry), - inode->i_sb->s_blocksize - - sizeof(struct unallocSpaceEntry)); + memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct unallocSpaceEntry), + inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry)); return; } @@ -1257,7 +1148,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) if (UDF_I_EFE(inode) == 0) { inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) << - (inode->i_sb->s_blocksize_bits - 9); + (inode->i_sb->s_blocksize_bits - 9); if (udf_stamp_to_time(&convtime, &convtime_usec, lets_to_cpu(fe->accessTime))) { @@ -1326,78 +1217,56 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) UDF_I_UNIQUE(inode) = le64_to_cpu(efe->uniqueID); UDF_I_LENEATTR(inode) = le32_to_cpu(efe->lengthExtendedAttr); UDF_I_LENALLOC(inode) = le32_to_cpu(efe->lengthAllocDescs); - offset = - sizeof(struct extendedFileEntry) + UDF_I_LENEATTR(inode); + offset = sizeof(struct extendedFileEntry) + UDF_I_LENEATTR(inode); } switch (fe->icbTag.fileType) { case ICBTAG_FILE_TYPE_DIRECTORY: - { - inode->i_op = &udf_dir_inode_operations; - inode->i_fop = &udf_dir_operations; - inode->i_mode |= S_IFDIR; - inc_nlink(inode); - break; - } + inode->i_op = &udf_dir_inode_operations; + inode->i_fop = &udf_dir_operations; + inode->i_mode |= S_IFDIR; + inc_nlink(inode); + break; case ICBTAG_FILE_TYPE_REALTIME: case ICBTAG_FILE_TYPE_REGULAR: case ICBTAG_FILE_TYPE_UNDEF: - { - if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) - inode->i_data.a_ops = &udf_adinicb_aops; - else - inode->i_data.a_ops = &udf_aops; - inode->i_op = &udf_file_inode_operations; - inode->i_fop = &udf_file_operations; - inode->i_mode |= S_IFREG; - break; - } + if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) + inode->i_data.a_ops = &udf_adinicb_aops; + else + inode->i_data.a_ops = &udf_aops; + inode->i_op = &udf_file_inode_operations; + inode->i_fop = &udf_file_operations; + inode->i_mode |= S_IFREG; + break; case ICBTAG_FILE_TYPE_BLOCK: - { - inode->i_mode |= S_IFBLK; - break; - } + inode->i_mode |= S_IFBLK; + break; case ICBTAG_FILE_TYPE_CHAR: - { - inode->i_mode |= S_IFCHR; - break; - } + inode->i_mode |= S_IFCHR; + break; case ICBTAG_FILE_TYPE_FIFO: - { - init_special_inode(inode, inode->i_mode | S_IFIFO, 0); - break; - } + init_special_inode(inode, inode->i_mode | S_IFIFO, 0); + break; case ICBTAG_FILE_TYPE_SOCKET: - { - init_special_inode(inode, inode->i_mode | S_IFSOCK, 0); - break; - } + init_special_inode(inode, inode->i_mode | S_IFSOCK, 0); + break; case ICBTAG_FILE_TYPE_SYMLINK: - { - inode->i_data.a_ops = &udf_symlink_aops; - inode->i_op = &page_symlink_inode_operations; - inode->i_mode = S_IFLNK | S_IRWXUGO; - break; - } + inode->i_data.a_ops = &udf_symlink_aops; + inode->i_op = &page_symlink_inode_operations; + inode->i_mode = S_IFLNK | S_IRWXUGO; + break; default: - { - printk(KERN_ERR - "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n", - inode->i_ino, fe->icbTag.fileType); - make_bad_inode(inode); - return; - } + printk(KERN_ERR "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n", + inode->i_ino, fe->icbTag.fileType); + make_bad_inode(inode); + return; } if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { - struct deviceSpec *dsea = (struct deviceSpec *) - udf_get_extendedattr(inode, 12, 1); - + struct deviceSpec *dsea = (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1); if (dsea) { init_special_inode(inode, inode->i_mode, - MKDEV(le32_to_cpu - (dsea->majorDeviceIdent), - le32_to_cpu(dsea-> - minorDeviceIdent))); + MKDEV(le32_to_cpu(dsea->majorDeviceIdent), + le32_to_cpu(dsea->minorDeviceIdent))); /* Developer ID ??? */ } else { make_bad_inode(inode); @@ -1410,8 +1279,7 @@ static int udf_alloc_i_data(struct inode *inode, size_t size) UDF_I_DATA(inode) = kmalloc(size, GFP_KERNEL); if (!UDF_I_DATA(inode)) { - printk(KERN_ERR - "udf:udf_alloc_i_data (ino %ld) no free memory\n", + printk(KERN_ERR "udf:udf_alloc_i_data (ino %ld) no free memory\n", inode->i_ino); return -ENOMEM; } @@ -1428,12 +1296,12 @@ static mode_t udf_convert_permissions(struct fileEntry *fe) permissions = le32_to_cpu(fe->permissions); flags = le16_to_cpu(fe->icbTag.flags); - mode = ((permissions) & S_IRWXO) | - ((permissions >> 2) & S_IRWXG) | - ((permissions >> 4) & S_IRWXU) | - ((flags & ICBTAG_FLAG_SETUID) ? S_ISUID : 0) | - ((flags & ICBTAG_FLAG_SETGID) ? S_ISGID : 0) | - ((flags & ICBTAG_FLAG_STICKY) ? S_ISVTX : 0); + mode = (( permissions ) & S_IRWXO) | + (( permissions >> 2 ) & S_IRWXG) | + (( permissions >> 4 ) & S_IRWXU) | + (( flags & ICBTAG_FLAG_SETUID) ? S_ISUID : 0) | + (( flags & ICBTAG_FLAG_SETGID) ? S_ISGID : 0) | + (( flags & ICBTAG_FLAG_STICKY) ? S_ISVTX : 0); return mode; } @@ -1456,9 +1324,11 @@ static mode_t udf_convert_permissions(struct fileEntry *fe) int udf_write_inode(struct inode *inode, int sync) { int ret; + lock_kernel(); ret = udf_update_inode(inode, sync); unlock_kernel(); + return ret; } @@ -1479,10 +1349,7 @@ static int udf_update_inode(struct inode *inode, int do_sync) kernel_timestamp cpu_time; int err = 0; - bh = udf_tread(inode->i_sb, - udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode), - 0)); - + bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode), 0)); if (!bh) { udf_debug("bread failure\n"); return -EIO; @@ -1495,27 +1362,21 @@ static int udf_update_inode(struct inode *inode, int do_sync) if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) { struct unallocSpaceEntry *use = - (struct unallocSpaceEntry *)bh->b_data; + (struct unallocSpaceEntry *)bh->b_data; use->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode)); - memcpy(bh->b_data + sizeof(struct unallocSpaceEntry), - UDF_I_DATA(inode), - inode->i_sb->s_blocksize - - sizeof(struct unallocSpaceEntry)); - crclen = - sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) - - sizeof(tag); - use->descTag.tagLocation = - cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); + memcpy(bh->b_data + sizeof(struct unallocSpaceEntry), UDF_I_DATA(inode), + inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry)); + crclen = sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) - sizeof(tag); + use->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); use->descTag.descCRCLength = cpu_to_le16(crclen); - use->descTag.descCRC = - cpu_to_le16(udf_crc((char *)use + sizeof(tag), crclen, 0)); + use->descTag.descCRC = cpu_to_le16(udf_crc((char *)use + sizeof(tag), crclen, 0)); use->descTag.tagChecksum = 0; - for (i = 0; i < 16; i++) + for (i = 0; i < 16; i++) { if (i != 4) - use->descTag.tagChecksum += - ((uint8_t *) & (use->descTag))[i]; + use->descTag.tagChecksum += ((uint8_t *)&(use->descTag))[i]; + } mark_buffer_dirty(bh); brelse(bh); @@ -1532,13 +1393,14 @@ static int udf_update_inode(struct inode *inode, int do_sync) else fe->gid = cpu_to_le32(inode->i_gid); - udfperms = ((inode->i_mode & S_IRWXO)) | - ((inode->i_mode & S_IRWXG) << 2) | ((inode->i_mode & S_IRWXU) << 4); + udfperms = ((inode->i_mode & S_IRWXO) ) | + ((inode->i_mode & S_IRWXG) << 2) | + ((inode->i_mode & S_IRWXU) << 4); - udfperms |= (le32_to_cpu(fe->permissions) & - (FE_PERM_O_DELETE | FE_PERM_O_CHATTR | - FE_PERM_G_DELETE | FE_PERM_G_CHATTR | - FE_PERM_U_DELETE | FE_PERM_U_CHATTR)); + udfperms |= (le32_to_cpu(fe->permissions) & + (FE_PERM_O_DELETE | FE_PERM_O_CHATTR | + FE_PERM_G_DELETE | FE_PERM_G_CHATTR | + FE_PERM_U_DELETE | FE_PERM_U_CHATTR)); fe->permissions = cpu_to_le32(udfperms); if (S_ISDIR(inode->i_mode)) @@ -1550,22 +1412,20 @@ static int udf_update_inode(struct inode *inode, int do_sync) if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { regid *eid; - struct deviceSpec *dsea = (struct deviceSpec *) - udf_get_extendedattr(inode, 12, 1); - + struct deviceSpec *dsea = + (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1); if (!dsea) { dsea = (struct deviceSpec *) - udf_add_extendedattr(inode, - sizeof(struct deviceSpec) + - sizeof(regid), 12, 0x3); + udf_add_extendedattr(inode, + sizeof(struct deviceSpec) + + sizeof(regid), 12, 0x3); dsea->attrType = cpu_to_le32(12); dsea->attrSubtype = 1; - dsea->attrLength = - cpu_to_le32(sizeof(struct deviceSpec) + - sizeof(regid)); + dsea->attrLength = cpu_to_le32(sizeof(struct deviceSpec) + + sizeof(regid)); dsea->impUseLength = cpu_to_le32(sizeof(regid)); } - eid = (regid *) dsea->impUse; + eid = (regid *)dsea->impUse; memset(eid, 0, sizeof(regid)); strcpy(eid->ident, UDF_ID_DEVELOPER); eid->identSuffix[0] = UDF_OS_CLASS_UNIX; @@ -1577,10 +1437,9 @@ static int udf_update_inode(struct inode *inode, int do_sync) if (UDF_I_EFE(inode) == 0) { memcpy(bh->b_data + sizeof(struct fileEntry), UDF_I_DATA(inode), inode->i_sb->s_blocksize - sizeof(struct fileEntry)); - fe->logicalBlocksRecorded = - cpu_to_le64((inode->i_blocks + - (1 << (inode->i_sb->s_blocksize_bits - 9)) - - 1) >> (inode->i_sb->s_blocksize_bits - 9)); + fe->logicalBlocksRecorded = cpu_to_le64( + (inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >> + (inode->i_sb->s_blocksize_bits - 9)); if (udf_time_to_stamp(&cpu_time, inode->i_atime)) fe->accessTime = cpu_to_lets(cpu_time); @@ -1598,19 +1457,12 @@ static int udf_update_inode(struct inode *inode, int do_sync) fe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_FE); crclen = sizeof(struct fileEntry); } else { - memcpy(bh->b_data + sizeof(struct extendedFileEntry), - UDF_I_DATA(inode), - inode->i_sb->s_blocksize - - sizeof(struct extendedFileEntry)); + memcpy(bh->b_data + sizeof(struct extendedFileEntry), UDF_I_DATA(inode), + inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry)); efe->objectSize = cpu_to_le64(inode->i_size); - efe->logicalBlocksRecorded = cpu_to_le64((inode->i_blocks + - (1 << - (inode->i_sb-> - s_blocksize_bits - - 9)) - - 1) >> (inode->i_sb-> - s_blocksize_bits - - 9)); + efe->logicalBlocksRecorded = cpu_to_le64( + (inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >> + (inode->i_sb->s_blocksize_bits - 9)); if (UDF_I_CRTIME(inode).tv_sec > inode->i_atime.tv_sec || (UDF_I_CRTIME(inode).tv_sec == inode->i_atime.tv_sec && @@ -1671,13 +1523,13 @@ static int udf_update_inode(struct inode *inode, int do_sync) else if (S_ISSOCK(inode->i_mode)) fe->icbTag.fileType = ICBTAG_FILE_TYPE_SOCKET; - icbflags = UDF_I_ALLOCTYPE(inode) | - ((inode->i_mode & S_ISUID) ? ICBTAG_FLAG_SETUID : 0) | - ((inode->i_mode & S_ISGID) ? ICBTAG_FLAG_SETGID : 0) | - ((inode->i_mode & S_ISVTX) ? ICBTAG_FLAG_STICKY : 0) | - (le16_to_cpu(fe->icbTag.flags) & - ~(ICBTAG_FLAG_AD_MASK | ICBTAG_FLAG_SETUID | - ICBTAG_FLAG_SETGID | ICBTAG_FLAG_STICKY)); + icbflags = UDF_I_ALLOCTYPE(inode) | + ((inode->i_mode & S_ISUID) ? ICBTAG_FLAG_SETUID : 0) | + ((inode->i_mode & S_ISGID) ? ICBTAG_FLAG_SETGID : 0) | + ((inode->i_mode & S_ISVTX) ? ICBTAG_FLAG_STICKY : 0) | + (le16_to_cpu(fe->icbTag.flags) & + ~(ICBTAG_FLAG_AD_MASK | ICBTAG_FLAG_SETUID | + ICBTAG_FLAG_SETGID | ICBTAG_FLAG_STICKY)); fe->icbTag.flags = cpu_to_le16(icbflags); if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200) @@ -1685,18 +1537,16 @@ static int udf_update_inode(struct inode *inode, int do_sync) else fe->descTag.descVersion = cpu_to_le16(2); fe->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb)); - fe->descTag.tagLocation = - cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); + fe->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); crclen += UDF_I_LENEATTR(inode) + UDF_I_LENALLOC(inode) - sizeof(tag); fe->descTag.descCRCLength = cpu_to_le16(crclen); - fe->descTag.descCRC = - cpu_to_le16(udf_crc((char *)fe + sizeof(tag), crclen, 0)); + fe->descTag.descCRC = cpu_to_le16(udf_crc((char *)fe + sizeof(tag), crclen, 0)); fe->descTag.tagChecksum = 0; - for (i = 0; i < 16; i++) + for (i = 0; i < 16; i++) { if (i != 4) - fe->descTag.tagChecksum += - ((uint8_t *) & (fe->descTag))[i]; + fe->descTag.tagChecksum += ((uint8_t *)&(fe->descTag))[i]; + } /* write the data blocks */ mark_buffer_dirty(bh); @@ -1709,6 +1559,7 @@ static int udf_update_inode(struct inode *inode, int do_sync) } } brelse(bh); + return err; } @@ -1729,8 +1580,7 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino) if (is_bad_inode(inode)) goto out_iput; - if (ino.logicalBlockNum >= - UDF_SB_PARTLEN(sb, ino.partitionReferenceNum)) { + if (ino.logicalBlockNum >= UDF_SB_PARTLEN(sb, ino.partitionReferenceNum)) { udf_debug("block=%d, partition=%d out of range\n", ino.logicalBlockNum, ino.partitionReferenceNum); make_bad_inode(inode); @@ -1739,7 +1589,7 @@ struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino) return inode; - out_iput: + out_iput: iput(inode); return NULL; } @@ -1755,9 +1605,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, uint8_t *ptr; if (!epos->bh) - ptr = - UDF_I_DATA(inode) + epos->offset - - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); else ptr = epos->bh->b_data + epos->offset; @@ -1774,18 +1622,13 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, int err, loffset; kernel_lb_addr obloc = epos->block; - if (! - (epos->block.logicalBlockNum = - udf_new_block(inode->i_sb, NULL, - obloc.partitionReferenceNum, - obloc.logicalBlockNum, &err))) { + 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, epos->block, - 0)))) { + if (!(nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb, + epos->block, 0)))) { return -1; } lock_buffer(nbh); @@ -1796,8 +1639,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, aed = (struct allocExtDesc *)(nbh->b_data); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) - aed->previousAllocExtLocation = - cpu_to_le32(obloc.logicalBlockNum); + aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum); if (epos->offset + adsize > inode->i_sb->s_blocksize) { loffset = epos->offset; aed->lengthAllocDescs = cpu_to_le32(adsize); @@ -1814,9 +1656,7 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, if (epos->bh) { aed = (struct allocExtDesc *)epos->bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu - (aed->lengthAllocDescs) + - adsize); + cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } else { UDF_I_LENALLOC(inode) += adsize; mark_inode_dirty(inode); @@ -1830,37 +1670,30 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, epos->block.logicalBlockNum, sizeof(tag)); switch (UDF_I_ALLOCTYPE(inode)) { case ICBTAG_FLAG_AD_SHORT: - { - sad = (short_ad *) sptr; - sad->extLength = - cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | - inode->i_sb->s_blocksize); - sad->extPosition = - cpu_to_le32(epos->block.logicalBlockNum); - break; - } + sad = (short_ad *)sptr; + sad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | + inode->i_sb->s_blocksize); + sad->extPosition = cpu_to_le32(epos->block.logicalBlockNum); + break; case ICBTAG_FLAG_AD_LONG: - { - lad = (long_ad *) sptr; - lad->extLength = - cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | - inode->i_sb->s_blocksize); - lad->extLocation = cpu_to_lelb(epos->block); - memset(lad->impUse, 0x00, sizeof(lad->impUse)); - break; - } + lad = (long_ad *)sptr; + lad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS | + inode->i_sb->s_blocksize); + lad->extLocation = cpu_to_lelb(epos->block); + memset(lad->impUse, 0x00, sizeof(lad->impUse)); + break; } if (epos->bh) { - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) - || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) + if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || + UDF_SB_UDFREV(inode->i_sb) >= 0x0201) udf_update_tag(epos->bh->b_data, loffset); else - udf_update_tag(epos->bh->b_data, - sizeof(struct allocExtDesc)); + udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); mark_buffer_dirty_inode(epos->bh, inode); brelse(epos->bh); - } else + } else { mark_inode_dirty(inode); + } epos->bh = nbh; } @@ -1872,14 +1705,11 @@ int8_t udf_add_aext(struct inode * inode, struct extent_position * epos, } else { 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(epos->bh->b_data, - epos->offset + (inc ? 0 : adsize)); + 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(epos->bh->b_data, epos->offset + (inc ? 0 : adsize)); else - udf_update_tag(epos->bh->b_data, - sizeof(struct allocExtDesc)); + udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); mark_buffer_dirty_inode(epos->bh, inode); } @@ -1891,51 +1721,47 @@ int8_t udf_write_aext(struct inode * inode, struct extent_position * epos, { int adsize; uint8_t *ptr; + short_ad *sad; + long_ad *lad; if (!epos->bh) - ptr = - UDF_I_DATA(inode) + epos->offset - - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); else ptr = epos->bh->b_data + epos->offset; switch (UDF_I_ALLOCTYPE(inode)) { case ICBTAG_FLAG_AD_SHORT: - { - short_ad *sad = (short_ad *) ptr; - sad->extLength = cpu_to_le32(elen); - sad->extPosition = cpu_to_le32(eloc.logicalBlockNum); - adsize = sizeof(short_ad); - break; - } + sad = (short_ad *)ptr; + sad->extLength = cpu_to_le32(elen); + sad->extPosition = cpu_to_le32(eloc.logicalBlockNum); + adsize = sizeof(short_ad); + break; case ICBTAG_FLAG_AD_LONG: - { - long_ad *lad = (long_ad *) ptr; - lad->extLength = cpu_to_le32(elen); - lad->extLocation = cpu_to_lelb(eloc); - memset(lad->impUse, 0x00, sizeof(lad->impUse)); - adsize = sizeof(long_ad); - break; - } + lad = (long_ad *)ptr; + lad->extLength = cpu_to_le32(elen); + lad->extLocation = cpu_to_lelb(eloc); + memset(lad->impUse, 0x00, sizeof(lad->impUse)); + adsize = sizeof(long_ad); + break; default: return -1; } 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 *)epos->bh->b_data; + if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || + UDF_SB_UDFREV(inode->i_sb) >= 0x0201) { + struct allocExtDesc *aed = (struct allocExtDesc *)epos->bh->b_data; udf_update_tag(epos->bh->b_data, - le32_to_cpu(aed->lengthAllocDescs) + - sizeof(struct allocExtDesc)); + le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc)); } mark_buffer_dirty_inode(epos->bh, inode); - } else + } else { mark_inode_dirty(inode); + } if (inc) epos->offset += adsize; + return (elen >> 30); } @@ -1949,14 +1775,9 @@ int8_t udf_next_aext(struct inode * inode, struct extent_position * epos, 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)))) { + 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, epos->block, - 0)); + udf_get_lb_pblock(inode->i_sb, epos->block, 0)); return -1; } } @@ -1970,75 +1791,49 @@ int8_t udf_current_aext(struct inode * inode, struct extent_position * epos, int alen; int8_t etype; uint8_t *ptr; + short_ad *sad; + long_ad *lad; + if (!epos->bh) { 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); + 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 (!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); + alen = sizeof(struct allocExtDesc) + + le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->lengthAllocDescs); } switch (UDF_I_ALLOCTYPE(inode)) { case ICBTAG_FLAG_AD_SHORT: - { - short_ad *sad; - - if (! - (sad = - udf_get_fileshortad(ptr, alen, &epos->offset, - inc))) - return -1; - - etype = le32_to_cpu(sad->extLength) >> 30; - eloc->logicalBlockNum = le32_to_cpu(sad->extPosition); - eloc->partitionReferenceNum = - UDF_I_LOCATION(inode).partitionReferenceNum; - *elen = - le32_to_cpu(sad-> - extLength) & UDF_EXTENT_LENGTH_MASK; - break; - } + if (!(sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc))) + return -1; + etype = le32_to_cpu(sad->extLength) >> 30; + eloc->logicalBlockNum = le32_to_cpu(sad->extPosition); + eloc->partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; + *elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK; + break; case ICBTAG_FLAG_AD_LONG: - { - long_ad *lad; - - if (! - (lad = - udf_get_filelongad(ptr, alen, &epos->offset, inc))) - return -1; - - etype = le32_to_cpu(lad->extLength) >> 30; - *eloc = lelb_to_cpu(lad->extLocation); - *elen = - le32_to_cpu(lad-> - extLength) & UDF_EXTENT_LENGTH_MASK; - break; - } - default: - { - udf_debug("alloc_type = %d unsupported\n", - UDF_I_ALLOCTYPE(inode)); + if (!(lad = udf_get_filelongad(ptr, alen, &epos->offset, inc))) return -1; - } + etype = le32_to_cpu(lad->extLength) >> 30; + *eloc = lelb_to_cpu(lad->extLocation); + *elen = le32_to_cpu(lad->extLength) & UDF_EXTENT_LENGTH_MASK; + break; + default: + udf_debug("alloc_type = %d unsupported\n", UDF_I_ALLOCTYPE(inode)); + return -1; } return etype; } -static int8_t -udf_insert_aext(struct inode *inode, struct extent_position epos, - kernel_lb_addr neloc, uint32_t nelen) +static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos, + kernel_lb_addr neloc, uint32_t nelen) { kernel_lb_addr oeloc; uint32_t oelen; @@ -2049,12 +1844,12 @@ udf_insert_aext(struct inode *inode, struct extent_position epos, while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) { udf_write_aext(inode, &epos, neloc, nelen, 1); - neloc = oeloc; nelen = (etype << 30) | oelen; } udf_add_aext(inode, &epos, neloc, nelen, 1); brelse(epos.bh); + return (nelen >> 30); } @@ -2105,15 +1900,12 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos, } else { 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(oepos.bh->b_data, - oepos.offset - (2 * adsize)); + 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(oepos.bh->b_data, oepos.offset - (2 * adsize)); else - udf_update_tag(oepos.bh->b_data, - sizeof(struct allocExtDesc)); + udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); mark_buffer_dirty_inode(oepos.bh, inode); } } else { @@ -2124,21 +1916,19 @@ int8_t udf_delete_aext(struct inode * inode, struct extent_position epos, } else { 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(oepos.bh->b_data, - epos.offset - adsize); + 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(oepos.bh->b_data, epos.offset - adsize); else - udf_update_tag(oepos.bh->b_data, - sizeof(struct allocExtDesc)); + udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); mark_buffer_dirty_inode(oepos.bh, inode); } } brelse(epos.bh); brelse(oepos.bh); + return (elen >> 30); } @@ -2162,8 +1952,7 @@ int8_t inode_bmap(struct inode * inode, sector_t block, do { if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1) { - *offset = - (bcount - lbcount) >> inode->i_sb->s_blocksize_bits; + *offset = (bcount - lbcount) >> inode->i_sb->s_blocksize_bits; UDF_I_LENEXTENTS(inode) = lbcount; return -1; } @@ -2180,13 +1969,12 @@ long udf_block_map(struct inode *inode, sector_t block) kernel_lb_addr eloc; uint32_t elen; sector_t offset; - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; int ret; lock_kernel(); - if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == - (EXT_RECORDED_ALLOCATED >> 30)) + 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; diff --git a/fs/udf/lowlevel.c b/fs/udf/lowlevel.c index 4826c3616ee..579bae71e67 100644 --- a/fs/udf/lowlevel.c +++ b/fs/udf/lowlevel.c @@ -43,7 +43,7 @@ unsigned int udf_get_last_session(struct super_block *sb) udf_debug("XA disk: %s, vol_desc_start=%d\n", (ms_info.xa_flag ? "yes" : "no"), ms_info.addr.lba); #if WE_OBEY_THE_WRITTEN_STANDARDS - if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */ + if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */ #endif vol_desc_start = ms_info.addr.lba; } else { @@ -57,7 +57,7 @@ unsigned long udf_get_last_block(struct super_block *sb) struct block_device *bdev = sb->s_bdev; unsigned long lblock = 0; - if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long)&lblock)) + if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock)) lblock = bdev->bd_inode->i_size >> sb->s_blocksize_bits; if (lblock) diff --git a/fs/udf/misc.c b/fs/udf/misc.c index a7f57277a96..15297deb505 100644 --- a/fs/udf/misc.c +++ b/fs/udf/misc.c @@ -54,15 +54,15 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, int i; ea = UDF_I_DATA(inode); - if (UDF_I_LENEATTR(inode)) + if (UDF_I_LENEATTR(inode)) { ad = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); - else { + } else { ad = ea; size += sizeof(struct extendedAttrHeaderDesc); } offset = inode->i_sb->s_blocksize - udf_file_entry_alloc_offset(inode) - - UDF_I_LENALLOC(inode); + UDF_I_LENALLOC(inode); /* TODO - Check for FreeEASpace */ @@ -76,56 +76,45 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, if (UDF_I_LENEATTR(inode)) { /* check checksum/crc */ - if (le16_to_cpu(eahd->descTag.tagIdent) != - TAG_IDENT_EAHD - || le32_to_cpu(eahd->descTag.tagLocation) != - UDF_I_LOCATION(inode).logicalBlockNum) { + if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD || + le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum) { return NULL; } } else { size -= sizeof(struct extendedAttrHeaderDesc); - UDF_I_LENEATTR(inode) += - sizeof(struct extendedAttrHeaderDesc); + UDF_I_LENEATTR(inode) += sizeof(struct extendedAttrHeaderDesc); eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD); if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200) eahd->descTag.descVersion = cpu_to_le16(3); else eahd->descTag.descVersion = cpu_to_le16(2); - eahd->descTag.tagSerialNum = - cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb)); - eahd->descTag.tagLocation = - cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); + eahd->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb)); + eahd->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum); eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF); eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF); } offset = UDF_I_LENEATTR(inode); if (type < 2048) { - if (le32_to_cpu(eahd->appAttrLocation) < - UDF_I_LENEATTR(inode)) { - uint32_t aal = - le32_to_cpu(eahd->appAttrLocation); - memmove(&ea[offset - aal + size], &ea[aal], - offset - aal); + if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode)) { + uint32_t aal = le32_to_cpu(eahd->appAttrLocation); + memmove(&ea[offset - aal + size], + &ea[aal], offset - aal); offset -= aal; eahd->appAttrLocation = cpu_to_le32(aal + size); } - if (le32_to_cpu(eahd->impAttrLocation) < - UDF_I_LENEATTR(inode)) { - uint32_t ial = - le32_to_cpu(eahd->impAttrLocation); - memmove(&ea[offset - ial + size], &ea[ial], - offset - ial); + if (le32_to_cpu(eahd->impAttrLocation) < UDF_I_LENEATTR(inode)) { + uint32_t ial = le32_to_cpu(eahd->impAttrLocation); + memmove(&ea[offset - ial + size], + &ea[ial], offset - ial); offset -= ial; eahd->impAttrLocation = cpu_to_le32(ial + size); } } else if (type < 65536) { - if (le32_to_cpu(eahd->appAttrLocation) < - UDF_I_LENEATTR(inode)) { - uint32_t aal = - le32_to_cpu(eahd->appAttrLocation); - memmove(&ea[offset - aal + size], &ea[aal], - offset - aal); + if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode)) { + uint32_t aal = le32_to_cpu(eahd->appAttrLocation); + memmove(&ea[offset - aal + size], + &ea[aal], offset - aal); offset -= aal; eahd->appAttrLocation = cpu_to_le32(aal + size); } @@ -133,18 +122,18 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size, /* rewrite CRC + checksum of eahd */ crclen = sizeof(struct extendedAttrHeaderDesc) - sizeof(tag); eahd->descTag.descCRCLength = cpu_to_le16(crclen); - eahd->descTag.descCRC = - cpu_to_le16(udf_crc((char *)eahd + sizeof(tag), crclen, 0)); + eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd + + sizeof(tag), crclen, 0)); eahd->descTag.tagChecksum = 0; for (i = 0; i < 16; i++) if (i != 4) - eahd->descTag.tagChecksum += - ((uint8_t *) & (eahd->descTag))[i]; + eahd->descTag.tagChecksum += ((uint8_t *)&(eahd->descTag))[i]; UDF_I_LENEATTR(inode) += size; return (struct genericFormat *)&ea[offset]; } if (loc & 0x02) { } + return NULL; } @@ -163,8 +152,7 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type, /* check checksum/crc */ if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD || - le32_to_cpu(eahd->descTag.tagLocation) != - UDF_I_LOCATION(inode).logicalBlockNum) { + le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum) { return NULL; } @@ -177,13 +165,13 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type, while (offset < UDF_I_LENEATTR(inode)) { gaf = (struct genericFormat *)&ea[offset]; - if (le32_to_cpu(gaf->attrType) == type - && gaf->attrSubtype == subtype) + if (le32_to_cpu(gaf->attrType) == type && gaf->attrSubtype == subtype) return gaf; else offset += le32_to_cpu(gaf->attrLength); } } + return NULL; } @@ -216,23 +204,22 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block, return NULL; } - tag_p = (tag *) (bh->b_data); + tag_p = (tag *)(bh->b_data); *ident = le16_to_cpu(tag_p->tagIdent); if (location != le32_to_cpu(tag_p->tagLocation)) { udf_debug("location mismatch block %u, tag %u != %u\n", - block + UDF_SB_SESSION(sb), - le32_to_cpu(tag_p->tagLocation), location); + block + UDF_SB_SESSION(sb), le32_to_cpu(tag_p->tagLocation), location); goto error_out; } /* Verify the tag checksum */ checksum = 0U; for (i = 0; i < 4; i++) - checksum += (uint8_t) (bh->b_data[i]); + checksum += (uint8_t)(bh->b_data[i]); for (i = 5; i < 16; i++) - checksum += (uint8_t) (bh->b_data[i]); + checksum += (uint8_t)(bh->b_data[i]); if (checksum != tag_p->tagChecksum) { printk(KERN_ERR "udf: tag checksum failed block %d\n", block); goto error_out; @@ -249,16 +236,14 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block, /* Verify the descriptor CRC */ if (le16_to_cpu(tag_p->descCRCLength) + sizeof(tag) > sb->s_blocksize || le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag), - le16_to_cpu(tag_p-> - descCRCLength), - 0)) { + le16_to_cpu(tag_p->descCRCLength), 0)) { return bh; } udf_debug("Crc failure block %d: crc = %d, crclen = %d\n", block + UDF_SB_SESSION(sb), le16_to_cpu(tag_p->descCRC), le16_to_cpu(tag_p->descCRCLength)); - error_out: +error_out: brelse(bh); return NULL; } @@ -272,7 +257,7 @@ struct buffer_head *udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc, void udf_update_tag(char *data, int length) { - tag *tptr = (tag *) data; + tag *tptr = (tag *)data; int i; length -= sizeof(tag); @@ -283,13 +268,13 @@ void udf_update_tag(char *data, int length) for (i = 0; i < 16; i++) if (i != 4) - tptr->tagChecksum += (uint8_t) (data[i]); + tptr->tagChecksum += (uint8_t)(data[i]); } void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum, uint32_t loc, int length) { - tag *tptr = (tag *) data; + tag *tptr = (tag *)data; tptr->tagIdent = cpu_to_le16(ident); tptr->descVersion = cpu_to_le16(version); tptr->tagSerialNum = cpu_to_le16(snum); diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 334d363a090..bec96a6b334 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -37,6 +37,7 @@ static inline int udf_match(int len1, const char *name1, int len2, { if (len1 != len2) return 0; + return !memcmp(name1, name2, len1); } @@ -52,7 +53,7 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, uint16_t liu = le16_to_cpu(cfi->lengthOfImpUse); uint8_t lfi = cfi->lengthFileIdent; int padlen = fibh->eoffset - fibh->soffset - liu - lfi - - sizeof(struct fileIdentDesc); + sizeof(struct fileIdentDesc); int adinicb = 0; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) @@ -61,85 +62,75 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, offset = fibh->soffset + sizeof(struct fileIdentDesc); if (impuse) { - if (adinicb || (offset + liu < 0)) - memcpy((uint8_t *) sfi->impUse, impuse, liu); - else if (offset >= 0) + if (adinicb || (offset + liu < 0)) { + memcpy((uint8_t *)sfi->impUse, impuse, liu); + } else if (offset >= 0) { memcpy(fibh->ebh->b_data + offset, impuse, liu); - else { - memcpy((uint8_t *) sfi->impUse, impuse, -offset); - memcpy(fibh->ebh->b_data, impuse - offset, - liu + offset); + } else { + memcpy((uint8_t *)sfi->impUse, impuse, -offset); + memcpy(fibh->ebh->b_data, impuse - offset, liu + offset); } } offset += liu; if (fileident) { - if (adinicb || (offset + lfi < 0)) - memcpy((uint8_t *) sfi->fileIdent + liu, fileident, - lfi); - else if (offset >= 0) + if (adinicb || (offset + lfi < 0)) { + memcpy((uint8_t *)sfi->fileIdent + liu, fileident, lfi); + } else if (offset >= 0) { memcpy(fibh->ebh->b_data + offset, fileident, lfi); - else { - memcpy((uint8_t *) sfi->fileIdent + liu, fileident, - -offset); - memcpy(fibh->ebh->b_data, fileident - offset, - lfi + offset); + } else { + memcpy((uint8_t *)sfi->fileIdent + liu, fileident, -offset); + memcpy(fibh->ebh->b_data, fileident - offset, lfi + offset); } } offset += lfi; - if (adinicb || (offset + padlen < 0)) - memset((uint8_t *) sfi->padding + liu + lfi, 0x00, padlen); - else if (offset >= 0) + if (adinicb || (offset + padlen < 0)) { + memset((uint8_t *)sfi->padding + liu + lfi, 0x00, padlen); + } else if (offset >= 0) { memset(fibh->ebh->b_data + offset, 0x00, padlen); - else { - memset((uint8_t *) sfi->padding + liu + lfi, 0x00, -offset); + } else { + memset((uint8_t *)sfi->padding + liu + lfi, 0x00, -offset); memset(fibh->ebh->b_data, 0x00, padlen + offset); } - crc = - udf_crc((uint8_t *) cfi + sizeof(tag), - sizeof(struct fileIdentDesc) - sizeof(tag), 0); - - if (fibh->sbh == fibh->ebh) - crc = udf_crc((uint8_t *) sfi->impUse, - crclen + sizeof(tag) - - sizeof(struct fileIdentDesc), crc); - else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) - crc = - udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + - fibh->soffset, - crclen + sizeof(tag) - sizeof(struct fileIdentDesc), - crc); - else { - crc = udf_crc((uint8_t *) sfi->impUse, - -fibh->soffset - sizeof(struct fileIdentDesc), - crc); + crc = udf_crc((uint8_t *)cfi + sizeof(tag), + sizeof(struct fileIdentDesc) - sizeof(tag), 0); + + if (fibh->sbh == fibh->ebh) { + crc = udf_crc((uint8_t *)sfi->impUse, + crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc); + } else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) { + crc = udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + fibh->soffset, + crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc); + } else { + crc = udf_crc((uint8_t *)sfi->impUse, + -fibh->soffset - sizeof(struct fileIdentDesc), crc); crc = udf_crc(fibh->ebh->b_data, fibh->eoffset, crc); } cfi->descTag.descCRC = cpu_to_le16(crc); cfi->descTag.descCRCLength = cpu_to_le16(crclen); - for (i = 0; i < 16; i++) + for (i = 0; i < 16; i++) { if (i != 4) - checksum += ((uint8_t *) & cfi->descTag)[i]; + checksum += ((uint8_t *)&cfi->descTag)[i]; + } cfi->descTag.tagChecksum = checksum; - if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) - memcpy((uint8_t *) sfi, (uint8_t *) cfi, - sizeof(struct fileIdentDesc)); - else { - memcpy((uint8_t *) sfi, (uint8_t *) cfi, -fibh->soffset); - memcpy(fibh->ebh->b_data, (uint8_t *) cfi - fibh->soffset, + if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) { + memcpy((uint8_t *)sfi, (uint8_t *)cfi, sizeof(struct fileIdentDesc)); + } else { + memcpy((uint8_t *)sfi, (uint8_t *)cfi, -fibh->soffset); + memcpy(fibh->ebh->b_data, (uint8_t *)cfi - fibh->soffset, sizeof(struct fileIdentDesc) + fibh->soffset); } - if (adinicb) + if (adinicb) { mark_inode_dirty(inode); - else { + } else { if (fibh->sbh != fibh->ebh) mark_buffer_dirty_inode(fibh->ebh, inode); mark_buffer_dirty_inode(fibh->sbh, inode); @@ -163,26 +154,25 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, kernel_lb_addr eloc; uint32_t elen; sector_t offset; - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; size = (udf_ext0_offset(dir) + dir->i_size) >> 2; f_pos = (udf_ext0_offset(dir) >> 2); - fibh->soffset = fibh->eoffset = - (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; - if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) + fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; + 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), - &epos, &eloc, &elen, - &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { + } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { 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) epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) epos.offset -= sizeof(long_ad); - } else + } else { offset = 0; + } if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { brelse(epos.bh); @@ -196,7 +186,6 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, while ((f_pos < size)) { fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset); - if (!fi) { if (fibh->sbh != fibh->ebh) brelse(fibh->ebh); @@ -213,20 +202,14 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, } else { int poffset; /* Unpaded ending offset */ - poffset = - fibh->soffset + sizeof(struct fileIdentDesc) + liu + - lfi; + poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi; - if (poffset >= lfi) - nameptr = - (uint8_t *) (fibh->ebh->b_data + poffset - - lfi); - else { + if (poffset >= lfi) { + nameptr = (uint8_t *)(fibh->ebh->b_data + poffset - lfi); + } else { nameptr = fname; - memcpy(nameptr, fi->fileIdent + liu, - lfi - poffset); - memcpy(nameptr + lfi - poffset, - fibh->ebh->b_data, poffset); + memcpy(nameptr, fi->fileIdent + liu, lfi - poffset); + memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset); } } @@ -244,18 +227,18 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir, continue; if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi))) { - if (udf_match - (flen, fname, dentry->d_name.len, - dentry->d_name.name)) { + if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { brelse(epos.bh); return fi; } } } + if (fibh->sbh != fibh->ebh) brelse(fibh->ebh); brelse(fibh->sbh); brelse(epos.bh); + return NULL; } @@ -306,15 +289,19 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, #ifdef UDF_RECOVERY /* temporary shorthand for specifying files by inode number */ if (!strncmp(dentry->d_name.name, ".B=", 3)) { - kernel_lb_addr lb = - { 0, simple_strtoul(dentry->d_name.name + 3, NULL, 0) }; + kernel_lb_addr lb = { + .logicalBlockNum = 0, + .partitionReferenceNum = simple_strtoul(dentry->d_name.name + 3, + NULL, 0), + }; inode = udf_iget(dir->i_sb, lb); if (!inode) { unlock_kernel(); return ERR_PTR(-EACCES); } - } else -#endif /* UDF_RECOVERY */ + } + else +#endif /* UDF_RECOVERY */ if (udf_find_entry(dir, dentry, &fibh, &cfi)) { if (fibh.sbh != fibh.ebh) @@ -329,6 +316,7 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, } unlock_kernel(); d_add(dentry, inode); + return NULL; } @@ -352,7 +340,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, kernel_lb_addr eloc; uint32_t elen; sector_t offset; - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; sb = dir->i_sb; @@ -361,36 +349,33 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, *err = -EINVAL; return NULL; } - - if (! - (namelen = - udf_put_filename(sb, dentry->d_name.name, name, - dentry->d_name.len))) { + if (!(namelen = udf_put_filename(sb, dentry->d_name.name, name, + dentry->d_name.len))) { *err = -ENAMETOOLONG; return NULL; } - } else + } else { namelen = 0; + } nfidlen = (sizeof(struct fileIdentDesc) + namelen + 3) & ~3; f_pos = (udf_ext0_offset(dir) >> 2); - fibh->soffset = fibh->eoffset = - (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; - if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) + fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; + 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), - &epos, &eloc, &elen, - &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { + } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { 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) epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) epos.offset -= sizeof(long_ad); - } else + } else { offset = 0; + } if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { brelse(epos.bh); @@ -423,40 +408,33 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, liu = le16_to_cpu(cfi->lengthOfImpUse); lfi = cfi->lengthFileIdent; - if (fibh->sbh == fibh->ebh) + if (fibh->sbh == fibh->ebh) { nameptr = fi->fileIdent + liu; - else { + } else { int poffset; /* Unpaded ending offset */ - poffset = - fibh->soffset + sizeof(struct fileIdentDesc) + liu + - lfi; + poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi; - if (poffset >= lfi) - nameptr = - (char *)(fibh->ebh->b_data + poffset - lfi); - else { + if (poffset >= lfi) { + nameptr = (char *)(fibh->ebh->b_data + poffset - lfi); + } else { nameptr = fname; - memcpy(nameptr, fi->fileIdent + liu, - lfi - poffset); - memcpy(nameptr + lfi - poffset, - fibh->ebh->b_data, poffset); + memcpy(nameptr, fi->fileIdent + liu, lfi - poffset); + memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset); } } if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) { - if (((sizeof(struct fileIdentDesc) + liu + lfi + - 3) & ~3) == nfidlen) { + if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen) { brelse(epos.bh); cfi->descTag.tagSerialNum = cpu_to_le16(1); cfi->fileVersionNum = cpu_to_le16(1); cfi->fileCharacteristics = 0; cfi->lengthFileIdent = namelen; cfi->lengthOfImpUse = cpu_to_le16(0); - if (!udf_write_fi - (dir, cfi, fi, fibh, NULL, name)) + if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) { return fi; - else { + } else { *err = -EIO; return NULL; } @@ -467,8 +445,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, continue; if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)) && - udf_match(flen, fname, dentry->d_name.len, - dentry->d_name.name)) { + udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { if (fibh->sbh != fibh->ebh) brelse(fibh->ebh); brelse(fibh->sbh); @@ -478,7 +455,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, } } - add: +add: f_pos += nfidlen; if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB && @@ -491,14 +468,11 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, if (fibh->sbh != fibh->ebh) brelse(fibh->ebh); brelse(fibh->sbh); - if (! - (fibh->sbh = fibh->ebh = - udf_expand_dir_adinicb(dir, &block, err))) + if (!(fibh->sbh = fibh->ebh = udf_expand_dir_adinicb(dir, &block, err))) return NULL; epos.block = UDF_I_LOCATION(dir); eloc.logicalBlockNum = block; - eloc.partitionReferenceNum = - UDF_I_LOCATION(dir).partitionReferenceNum; + eloc.partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum; elen = dir->i_sb->s_blocksize; epos.offset = udf_file_entry_alloc_offset(dir); if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) @@ -517,16 +491,13 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { block = UDF_I_LOCATION(dir).logicalBlockNum; - fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + - fibh->soffset - + fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + fibh->soffset - udf_ext0_offset(dir) + UDF_I_LENEATTR(dir)); } else { block = eloc.logicalBlockNum + ((elen - 1) >> - dir->i_sb-> - s_blocksize_bits); - fi = (struct fileIdentDesc *)(fibh->sbh->b_data + - fibh->soffset); + dir->i_sb->s_blocksize_bits); + fi = (struct fileIdentDesc *)(fibh->sbh->b_data + fibh->soffset); } } else { fibh->soffset = fibh->eoffset - sb->s_blocksize; @@ -538,42 +509,36 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, block = eloc.logicalBlockNum + ((elen - 1) >> dir->i_sb->s_blocksize_bits); - - if (! - (fibh->ebh = - udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - 1, err))) { + fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err); + if (!fibh->ebh) { brelse(epos.bh); brelse(fibh->sbh); return NULL; } - if (!(fibh->soffset)) { + if (!fibh->soffset) { if (udf_next_aext(dir, &epos, &eloc, &elen, 1) == (EXT_RECORDED_ALLOCATED >> 30)) { block = eloc.logicalBlockNum + ((elen - 1) >> - dir->i_sb-> - s_blocksize_bits); - } else + dir->i_sb->s_blocksize_bits); + } else { block++; + } brelse(fibh->sbh); fibh->sbh = fibh->ebh; fi = (struct fileIdentDesc *)(fibh->sbh->b_data); } else { fi = (struct fileIdentDesc *) - (fibh->sbh->b_data + sb->s_blocksize + - fibh->soffset); + (fibh->sbh->b_data + sb->s_blocksize + fibh->soffset); } } memset(cfi, 0, sizeof(struct fileIdentDesc)); if (UDF_SB_UDFREV(sb) >= 0x0200) - udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, - sizeof(tag)); + udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, sizeof(tag)); else - udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, - sizeof(tag)); + udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, sizeof(tag)); cfi->fileVersionNum = cpu_to_le16(1); cfi->lengthFileIdent = namelen; cfi->lengthOfImpUse = cpu_to_le16(0); @@ -599,8 +564,10 @@ static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi, struct fileIdentDesc *cfi) { cfi->fileCharacteristics |= FID_FILE_CHAR_DELETED; + if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) memset(&(cfi->icb), 0x00, sizeof(long_ad)); + return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL); } @@ -637,8 +604,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, } cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { mark_inode_dirty(dir); @@ -648,6 +615,7 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, brelse(fibh.sbh); unlock_kernel(); d_instantiate(dentry, inode); + return 0; } @@ -679,8 +647,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode, } cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { mark_inode_dirty(dir); @@ -692,7 +660,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode, brelse(fibh.sbh); d_instantiate(dentry, inode); err = 0; - out: + +out: unlock_kernel(); return err; } @@ -725,10 +694,9 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode) inode->i_nlink = 2; cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(dir)); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL); - cfi.fileCharacteristics = - FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT; + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + 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); brelse(fibh.sbh); inode->i_mode = S_IFDIR | mode; @@ -744,8 +712,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode) } cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY; udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); inc_nlink(dir); @@ -755,7 +723,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode) brelse(fibh.ebh); brelse(fibh.sbh); err = 0; - out: + +out: unlock_kernel(); return err; } @@ -770,26 +739,25 @@ static int empty_dir(struct inode *dir) kernel_lb_addr eloc; uint32_t elen; sector_t offset; - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; f_pos = (udf_ext0_offset(dir) >> 2); - fibh.soffset = fibh.eoffset = - (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; + fibh.soffset = fibh.eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; - if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) + 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), - &epos, &eloc, &elen, - &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { + } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { 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) epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) epos.offset -= sizeof(long_ad); - } else + } else { offset = 0; + } if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { brelse(epos.bh); @@ -803,7 +771,6 @@ static int empty_dir(struct inode *dir) while ((f_pos < size)) { fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); - if (!fi) { if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); @@ -812,8 +779,8 @@ static int empty_dir(struct inode *dir) return 0; } - if (cfi.lengthFileIdent - && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) { + if (cfi.lengthFileIdent && + (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) { if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); @@ -821,10 +788,12 @@ static int empty_dir(struct inode *dir) return 0; } } + if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); brelse(epos.bh); + return 1; } @@ -859,15 +828,15 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry) clear_nlink(inode); inode->i_size = 0; inode_dec_link_count(dir); - inode->i_ctime = dir->i_ctime = dir->i_mtime = - current_fs_time(dir->i_sb); + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); mark_inode_dirty(dir); - end_rmdir: +end_rmdir: if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); - out: + +out: unlock_kernel(); return retval; } @@ -906,11 +875,12 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry) inode->i_ctime = dir->i_ctime; retval = 0; - end_unlink: +end_unlink: if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); - out: + +out: unlock_kernel(); return retval; } @@ -922,7 +892,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, struct pathComponent *pc; char *compstart; struct udf_fileident_bh fibh; - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; int eoffset, elen = 0; struct fileIdentDesc *fi; struct fileIdentDesc cfi; @@ -945,26 +915,22 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, uint32_t elen; block = udf_new_block(inode->i_sb, inode, - UDF_I_LOCATION(inode). - partitionReferenceNum, - UDF_I_LOCATION(inode).logicalBlockNum, - &err); + UDF_I_LOCATION(inode).partitionReferenceNum, + UDF_I_LOCATION(inode).logicalBlockNum, &err); if (!block) goto out_no_entry; 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; + eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; elen = inode->i_sb->s_blocksize; UDF_I_LENEXTENTS(inode) = elen; 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); + UDF_I_LOCATION(inode).partitionReferenceNum, 0); epos.bh = udf_tread(inode->i_sb, block); lock_buffer(epos.bh); memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize); @@ -972,8 +938,9 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, unlock_buffer(epos.bh); mark_buffer_dirty_inode(epos.bh, inode); ea = epos.bh->b_data + udf_ext0_offset(inode); - } else + } else { ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); + } eoffset = inode->i_sb->s_blocksize - udf_ext0_offset(inode); pc = (struct pathComponent *)ea; @@ -1010,20 +977,17 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, if (compstart[0] == '.') { if ((symname - compstart) == 1) pc->componentType = 4; - else if ((symname - compstart) == 2 - && compstart[1] == '.') + else if ((symname - compstart) == 2 && compstart[1] == '.') pc->componentType = 3; } if (pc->componentType == 5) { - if (! - (namelen = - udf_put_filename(inode->i_sb, compstart, name, - symname - compstart))) + namelen = udf_put_filename(inode->i_sb, compstart, name, + symname - compstart); + if (!namelen) goto out_no_entry; - if (elen + sizeof(struct pathComponent) + namelen > - eoffset) + if (elen + sizeof(struct pathComponent) + namelen > eoffset) goto out_no_entry; else pc->lengthComponentIdent = namelen; @@ -1053,12 +1017,10 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, if (UDF_SB_LVIDBH(inode->i_sb)) { struct logicalVolHeaderDesc *lvhd; uint64_t uniqueID; - lvhd = - (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)-> - logicalVolContentsUse); + lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse); uniqueID = le64_to_cpu(lvhd->uniqueID); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); if (!(++uniqueID & 0x00000000FFFFFFFFUL)) uniqueID += 16; lvhd->uniqueID = cpu_to_le64(uniqueID); @@ -1074,11 +1036,11 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry, d_instantiate(dentry, inode); err = 0; - out: +out: unlock_kernel(); return err; - out_no_entry: +out_no_entry: inode_dec_link_count(inode); iput(inode); goto out; @@ -1107,12 +1069,10 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, if (UDF_SB_LVIDBH(inode->i_sb)) { struct logicalVolHeaderDesc *lvhd; uint64_t uniqueID; - lvhd = - (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)-> - logicalVolContentsUse); + lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse); uniqueID = le64_to_cpu(lvhd->uniqueID); - *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = - cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); + *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = + cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); if (!(++uniqueID & 0x00000000FFFFFFFFUL)) uniqueID += 16; lvhd->uniqueID = cpu_to_le64(uniqueID); @@ -1122,6 +1082,7 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { mark_inode_dirty(dir); } + if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); @@ -1131,6 +1092,7 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, atomic_inc(&inode->i_count); d_instantiate(dentry, inode); unlock_kernel(); + return 0; } @@ -1143,8 +1105,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *old_inode = old_dentry->d_inode; struct inode *new_inode = new_dentry->d_inode; struct udf_fileident_bh ofibh, nfibh; - struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = - NULL, ocfi, ncfi; + struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = NULL, ocfi, ncfi; struct buffer_head *dir_bh = NULL; int retval = -ENOENT; kernel_lb_addr tloc; @@ -1181,36 +1142,27 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) { dir_fi = udf_get_fileident(UDF_I_DATA(old_inode) - (UDF_I_EFE(old_inode) ? - sizeof(struct - extendedFileEntry) : + sizeof(struct extendedFileEntry) : sizeof(struct fileEntry)), - old_inode->i_sb->s_blocksize, - &offset); + old_inode->i_sb->s_blocksize, &offset); } else { dir_bh = udf_bread(old_inode, 0, 0, &retval); if (!dir_bh) goto end_rename; - dir_fi = - udf_get_fileident(dir_bh->b_data, - old_inode->i_sb->s_blocksize, - &offset); + dir_fi = udf_get_fileident(dir_bh->b_data, old_inode->i_sb->s_blocksize, &offset); } if (!dir_fi) goto end_rename; tloc = lelb_to_cpu(dir_fi->icb.extLocation); - if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) - != old_dir->i_ino) + if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) != old_dir->i_ino) goto end_rename; retval = -EMLINK; - if (!new_inode - && new_dir->i_nlink >= - (256 << sizeof(new_dir->i_nlink)) - 1) + if (!new_inode && new_dir->i_nlink >= (256 << sizeof(new_dir->i_nlink)) - 1) goto end_rename; } if (!nfi) { - nfi = - udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval); + nfi = udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval); if (!nfi) goto end_rename; } @@ -1244,13 +1196,12 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, if (dir_fi) { dir_fi->icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(new_dir)); udf_update_tag((char *)dir_fi, (sizeof(struct fileIdentDesc) + - le16_to_cpu(dir_fi-> - lengthOfImpUse) + - 3) & ~3); + le16_to_cpu(dir_fi->lengthOfImpUse) + 3) & ~3); if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) { mark_inode_dirty(old_inode); - } else + } else { mark_buffer_dirty_inode(dir_bh, old_inode); + } inode_dec_link_count(old_dir); if (new_inode) { inode_dec_link_count(new_inode); @@ -1268,7 +1219,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, retval = 0; - end_rename: +end_rename: brelse(dir_bh); if (nfi) { if (nfibh.sbh != nfibh.ebh) @@ -1276,17 +1227,18 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, brelse(nfibh.sbh); } unlock_kernel(); + return retval; } const struct inode_operations udf_dir_inode_operations = { - .lookup = udf_lookup, - .create = udf_create, - .link = udf_link, - .unlink = udf_unlink, - .symlink = udf_symlink, - .mkdir = udf_mkdir, - .rmdir = udf_rmdir, - .mknod = udf_mknod, - .rename = udf_rename, + .lookup = udf_lookup, + .create = udf_create, + .link = udf_link, + .unlink = udf_unlink, + .symlink = udf_symlink, + .mkdir = udf_mkdir, + .rmdir = udf_rmdir, + .mknod = udf_mknod, + .rename = udf_rename, }; diff --git a/fs/udf/osta_udf.h b/fs/udf/osta_udf.h index bec5d340d8c..65ff47902bd 100644 --- a/fs/udf/osta_udf.h +++ b/fs/udf/osta_udf.h @@ -66,64 +66,64 @@ #define IS_DF_SOFT_WRITE_PROTECT 0x02 struct UDFIdentSuffix { - __le16 UDFRevision; - uint8_t OSClass; - uint8_t OSIdentifier; - uint8_t reserved[4]; + __le16 UDFRevision; + uint8_t OSClass; + uint8_t OSIdentifier; + uint8_t reserved[4]; } __attribute__ ((packed)); struct impIdentSuffix { - uint8_t OSClass; - uint8_t OSIdentifier; - uint8_t reserved[6]; + uint8_t OSClass; + uint8_t OSIdentifier; + uint8_t reserved[6]; } __attribute__ ((packed)); struct appIdentSuffix { - uint8_t impUse[8]; + uint8_t impUse[8]; } __attribute__ ((packed)); /* Logical Volume Integrity Descriptor (UDF 2.50 2.2.6) */ /* Implementation Use (UDF 2.50 2.2.6.4) */ struct logicalVolIntegrityDescImpUse { - regid impIdent; - __le32 numFiles; - __le32 numDirs; - __le16 minUDFReadRev; - __le16 minUDFWriteRev; - __le16 maxUDFWriteRev; - uint8_t impUse[0]; + regid impIdent; + __le32 numFiles; + __le32 numDirs; + __le16 minUDFReadRev; + __le16 minUDFWriteRev; + __le16 maxUDFWriteRev; + uint8_t impUse[0]; } __attribute__ ((packed)); /* Implementation Use Volume Descriptor (UDF 2.50 2.2.7) */ /* Implementation Use (UDF 2.50 2.2.7.2) */ struct impUseVolDescImpUse { - charspec LVICharset; - dstring logicalVolIdent[128]; - dstring LVInfo1[36]; - dstring LVInfo2[36]; - dstring LVInfo3[36]; - regid impIdent; - uint8_t impUse[128]; + charspec LVICharset; + dstring logicalVolIdent[128]; + dstring LVInfo1[36]; + dstring LVInfo2[36]; + dstring LVInfo3[36]; + regid impIdent; + uint8_t impUse[128]; } __attribute__ ((packed)); struct udfPartitionMap2 { - uint8_t partitionMapType; - uint8_t partitionMapLength; - uint8_t reserved1[2]; - regid partIdent; - __le16 volSeqNum; - __le16 partitionNum; + uint8_t partitionMapType; + uint8_t partitionMapLength; + uint8_t reserved1[2]; + regid partIdent; + __le16 volSeqNum; + __le16 partitionNum; } __attribute__ ((packed)); /* Virtual Partition Map (UDF 2.50 2.2.8) */ struct virtualPartitionMap { - uint8_t partitionMapType; - uint8_t partitionMapLength; - uint8_t reserved1[2]; - regid partIdent; - __le16 volSeqNum; - __le16 partitionNum; - uint8_t reserved2[24]; + uint8_t partitionMapType; + uint8_t partitionMapLength; + uint8_t reserved1[2]; + regid partIdent; + __le16 volSeqNum; + __le16 partitionNum; + uint8_t reserved2[24]; } __attribute__ ((packed)); /* Sparable Partition Map (UDF 2.50 2.2.9) */ @@ -143,62 +143,62 @@ struct sparablePartitionMap { /* Metadata Partition Map (UDF 2.4.0 2.2.10) */ struct metadataPartitionMap { - uint8_t partitionMapType; - uint8_t partitionMapLength; - uint8_t reserved1[2]; - regid partIdent; - __le16 volSeqNum; - __le16 partitionNum; - __le32 metadataFileLoc; - __le32 metadataMirrorFileLoc; - __le32 metadataBitmapFileLoc; - __le32 allocUnitSize; - __le16 alignUnitSize; - uint8_t flags; - uint8_t reserved2[5]; + uint8_t partitionMapType; + uint8_t partitionMapLength; + uint8_t reserved1[2]; + regid partIdent; + __le16 volSeqNum; + __le16 partitionNum; + __le32 metadataFileLoc; + __le32 metadataMirrorFileLoc; + __le32 metadataBitmapFileLoc; + __le32 allocUnitSize; + __le16 alignUnitSize; + uint8_t flags; + uint8_t reserved2[5]; } __attribute__ ((packed)); /* Virtual Allocation Table (UDF 1.5 2.2.10) */ struct virtualAllocationTable15 { - __le32 VirtualSector[0]; - regid vatIdent; - __le32 previousVATICBLoc; + __le32 VirtualSector[0]; + regid vatIdent; + __le32 previousVATICBLoc; } __attribute__ ((packed)); #define ICBTAG_FILE_TYPE_VAT15 0x00U /* Virtual Allocation Table (UDF 2.50 2.2.11) */ struct virtualAllocationTable20 { - __le16 lengthHeader; - __le16 lengthImpUse; - dstring logicalVolIdent[128]; - __le32 previousVATICBLoc; - __le32 numFiles; - __le32 numDirs; - __le16 minReadRevision; - __le16 minWriteRevision; - __le16 maxWriteRevision; - __le16 reserved; - uint8_t impUse[0]; - __le32 vatEntry[0]; + __le16 lengthHeader; + __le16 lengthImpUse; + dstring logicalVolIdent[128]; + __le32 previousVATICBLoc; + __le32 numFiles; + __le32 numDirs; + __le16 minReadRevision; + __le16 minWriteRevision; + __le16 maxWriteRevision; + __le16 reserved; + uint8_t impUse[0]; + __le32 vatEntry[0]; } __attribute__ ((packed)); #define ICBTAG_FILE_TYPE_VAT20 0xF8U /* Sparing Table (UDF 2.50 2.2.12) */ struct sparingEntry { - __le32 origLocation; - __le32 mappedLocation; + __le32 origLocation; + __le32 mappedLocation; } __attribute__ ((packed)); struct sparingTable { - tag descTag; - regid sparingIdent; - __le16 reallocationTableLen; - __le16 reserved; - __le32 sequenceNum; + tag descTag; + regid sparingIdent; + __le16 reallocationTableLen; + __le16 reserved; + __le32 sequenceNum; struct sparingEntry - mapEntry[0]; + mapEntry[0]; } __attribute__ ((packed)); /* Metadata File (and Metadata Mirror File) (UDF 2.50 2.2.13.1) */ @@ -208,8 +208,8 @@ struct sparingTable { /* struct long_ad ICB - ADImpUse (UDF 2.50 2.2.4.3) */ struct allocDescImpUse { - __le16 flags; - uint8_t impUse[4]; + __le16 flags; + uint8_t impUse[4]; } __attribute__ ((packed)); #define AD_IU_EXT_ERASED 0x0001 @@ -220,23 +220,23 @@ struct allocDescImpUse { /* Implementation Use Extended Attribute (UDF 2.50 3.3.4.5) */ /* FreeEASpace (UDF 2.50 3.3.4.5.1.1) */ struct freeEaSpace { - __le16 headerChecksum; - uint8_t freeEASpace[0]; + __le16 headerChecksum; + uint8_t freeEASpace[0]; } __attribute__ ((packed)); /* DVD Copyright Management Information (UDF 2.50 3.3.4.5.1.2) */ struct DVDCopyrightImpUse { - __le16 headerChecksum; - uint8_t CGMSInfo; - uint8_t dataType; - uint8_t protectionSystemInfo[4]; + __le16 headerChecksum; + uint8_t CGMSInfo; + uint8_t dataType; + uint8_t protectionSystemInfo[4]; } __attribute__ ((packed)); /* Application Use Extended Attribute (UDF 2.50 3.3.4.6) */ /* FreeAppEASpace (UDF 2.50 3.3.4.6.1) */ struct freeAppEASpace { - __le16 headerChecksum; - uint8_t freeEASpace[0]; + __le16 headerChecksum; + uint8_t freeEASpace[0]; } __attribute__ ((packed)); /* UDF Defined System Stream (UDF 2.50 3.3.7) */ @@ -276,4 +276,4 @@ struct freeAppEASpace { #define UDF_OS_ID_BEOS 0x00U #define UDF_OS_ID_WINCE 0x00U -#endif /* _OSTA_UDF_H */ +#endif /* _OSTA_UDF_H */ diff --git a/fs/udf/partition.c b/fs/udf/partition.c index a95d830a674..aaab24c8c49 100644 --- a/fs/udf/partition.c +++ b/fs/udf/partition.c @@ -14,7 +14,7 @@ * * HISTORY * - * 12/06/98 blf Created file. + * 12/06/98 blf Created file. * */ @@ -32,19 +32,17 @@ inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset) { if (partition >= UDF_SB_NUMPARTS(sb)) { - udf_debug - ("block=%d, partition=%d, offset=%d: invalid partition\n", - block, partition, offset); + udf_debug("block=%d, partition=%d, offset=%d: invalid partition\n", + block, partition, offset); return 0xFFFFFFFF; } if (UDF_SB_PARTFUNC(sb, partition)) - return UDF_SB_PARTFUNC(sb, partition) (sb, block, partition, - offset); + return UDF_SB_PARTFUNC(sb, partition)(sb, block, partition, offset); else return UDF_SB_PARTROOT(sb, partition) + block + offset; } -uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, +uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset) { struct buffer_head *bh = NULL; @@ -52,14 +50,11 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, uint32_t index; uint32_t loc; - index = - (sb->s_blocksize - - UDF_SB_TYPEVIRT(sb, partition).s_start_offset) / sizeof(uint32_t); + index = (sb->s_blocksize - UDF_SB_TYPEVIRT(sb,partition).s_start_offset) / sizeof(uint32_t); - if (block > UDF_SB_TYPEVIRT(sb, partition).s_num_entries) { - udf_debug - ("Trying to access block beyond end of VAT (%d max %d)\n", - block, UDF_SB_TYPEVIRT(sb, partition).s_num_entries); + if (block > UDF_SB_TYPEVIRT(sb,partition).s_num_entries) { + udf_debug("Trying to access block beyond end of VAT (%d max %d)\n", + block, UDF_SB_TYPEVIRT(sb,partition).s_num_entries); return 0xFFFFFFFF; } @@ -69,10 +64,7 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, index = block % (sb->s_blocksize / sizeof(uint32_t)); } else { newblock = 0; - index = - UDF_SB_TYPEVIRT(sb, - partition).s_start_offset / - sizeof(uint32_t) + block; + index = UDF_SB_TYPEVIRT(sb,partition).s_start_offset / sizeof(uint32_t) + block; } loc = udf_block_map(UDF_SB_VAT(sb), newblock); @@ -83,7 +75,7 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, return 0xFFFFFFFF; } - loc = le32_to_cpu(((__le32 *) bh->b_data)[index]); + loc = le32_to_cpu(((__le32 *)bh->b_data)[index]); brelse(bh); @@ -93,8 +85,8 @@ uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block, } return udf_get_pblock(sb, loc, - UDF_I_LOCATION(UDF_SB_VAT(sb)). - partitionReferenceNum, offset); + UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum, + offset); } inline uint32_t udf_get_pblock_virt20(struct super_block * sb, uint32_t block, @@ -108,40 +100,29 @@ uint32_t udf_get_pblock_spar15(struct super_block * sb, uint32_t block, { int i; struct sparingTable *st = NULL; - uint32_t packet = - (block + offset) & ~(UDF_SB_TYPESPAR(sb, partition).s_packet_len - - 1); + uint32_t packet = (block + offset) & ~(UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1); for (i = 0; i < 4; i++) { - if (UDF_SB_TYPESPAR(sb, partition).s_spar_map[i] != NULL) { - st = (struct sparingTable *)UDF_SB_TYPESPAR(sb, - partition). - s_spar_map[i]->b_data; + if (UDF_SB_TYPESPAR(sb,partition).s_spar_map[i] != NULL) { + st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,partition).s_spar_map[i]->b_data; break; } } if (st) { for (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) { - if (le32_to_cpu(st->mapEntry[i].origLocation) >= - 0xFFFFFFF0) + if (le32_to_cpu(st->mapEntry[i].origLocation) >= 0xFFFFFFF0) { break; - else if (le32_to_cpu(st->mapEntry[i].origLocation) == - packet) { - return le32_to_cpu(st->mapEntry[i]. - mappedLocation) + ((block + - offset) & - (UDF_SB_TYPESPAR - (sb, - partition). - s_packet_len - - 1)); - } else if (le32_to_cpu(st->mapEntry[i].origLocation) > - packet) + } else if (le32_to_cpu(st->mapEntry[i].origLocation) == packet) { + return le32_to_cpu(st->mapEntry[i].mappedLocation) + + ((block + offset) & (UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1)); + } else if (le32_to_cpu(st->mapEntry[i].origLocation) > packet) { break; + } } } - return UDF_SB_PARTROOT(sb, partition) + block + offset; + + return UDF_SB_PARTROOT(sb,partition) + block + offset; } int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block) @@ -153,20 +134,14 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block) int i, j, k, l; for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) { - if (old_block > UDF_SB_PARTROOT(sb, i) && - old_block < UDF_SB_PARTROOT(sb, i) + UDF_SB_PARTLEN(sb, i)) - { - sdata = &UDF_SB_TYPESPAR(sb, i); - packet = - (old_block - - UDF_SB_PARTROOT(sb, - i)) & ~(sdata->s_packet_len - 1); + if (old_block > UDF_SB_PARTROOT(sb,i) && + old_block < UDF_SB_PARTROOT(sb,i) + UDF_SB_PARTLEN(sb,i)) { + sdata = &UDF_SB_TYPESPAR(sb,i); + packet = (old_block - UDF_SB_PARTROOT(sb,i)) & ~(sdata->s_packet_len - 1); for (j = 0; j < 4; j++) { - if (UDF_SB_TYPESPAR(sb, i).s_spar_map[j] != - NULL) { - st = (struct sparingTable *)sdata-> - s_spar_map[j]->b_data; + if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) { + st = (struct sparingTable *)sdata->s_spar_map[j]->b_data; break; } } @@ -174,122 +149,51 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block) if (!st) return 1; - for (k = 0; k < le16_to_cpu(st->reallocationTableLen); - k++) { - if (le32_to_cpu(st->mapEntry[k].origLocation) == - 0xFFFFFFFF) { + for (k = 0; k < le16_to_cpu(st->reallocationTableLen); k++) { + if (le32_to_cpu(st->mapEntry[k].origLocation) == 0xFFFFFFFF) { for (; j < 4; j++) { if (sdata->s_spar_map[j]) { - st = (struct - sparingTable *) - sdata-> - s_spar_map[j]-> - b_data; - st->mapEntry[k]. - origLocation = - cpu_to_le32(packet); - udf_update_tag((char *) - st, - sizeof - (struct - sparingTable) - + - le16_to_cpu - (st-> - reallocationTableLen) - * - sizeof - (struct - sparingEntry)); - mark_buffer_dirty - (sdata-> - s_spar_map[j]); + st = (struct sparingTable *)sdata->s_spar_map[j]->b_data; + st->mapEntry[k].origLocation = cpu_to_le32(packet); + udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry)); + mark_buffer_dirty(sdata->s_spar_map[j]); } } - *new_block = - le32_to_cpu(st->mapEntry[k]. - mappedLocation) + - ((old_block - - UDF_SB_PARTROOT(sb, - i)) & (sdata-> - s_packet_len - - 1)); + *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) + + ((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1)); return 0; - } else - if (le32_to_cpu - (st->mapEntry[k].origLocation) == - packet) { - *new_block = - le32_to_cpu(st->mapEntry[k]. - mappedLocation) + - ((old_block - - UDF_SB_PARTROOT(sb, - i)) & (sdata-> - s_packet_len - - 1)); + } else if (le32_to_cpu(st->mapEntry[k].origLocation) == packet) { + *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) + + ((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1)); return 0; - } else - if (le32_to_cpu - (st->mapEntry[k].origLocation) > packet) + } else if (le32_to_cpu(st->mapEntry[k].origLocation) > packet) { break; + } } - for (l = k; l < le16_to_cpu(st->reallocationTableLen); - l++) { - if (le32_to_cpu(st->mapEntry[l].origLocation) == - 0xFFFFFFFF) { + + for (l = k; l < le16_to_cpu(st->reallocationTableLen); l++) { + if (le32_to_cpu(st->mapEntry[l].origLocation) == 0xFFFFFFFF) { for (; j < 4; j++) { if (sdata->s_spar_map[j]) { - st = (struct - sparingTable *) - sdata-> - s_spar_map[j]-> - b_data; - mapEntry = - st->mapEntry[l]; - mapEntry.origLocation = - cpu_to_le32(packet); - memmove(&st-> - mapEntry[k + 1], - &st-> - mapEntry[k], - (l - - k) * - sizeof(struct - sparingEntry)); - st->mapEntry[k] = - mapEntry; - udf_update_tag((char *) - st, - sizeof - (struct - sparingTable) - + - le16_to_cpu - (st-> - reallocationTableLen) - * - sizeof - (struct - sparingEntry)); - mark_buffer_dirty - (sdata-> - s_spar_map[j]); + st = (struct sparingTable *)sdata->s_spar_map[j]->b_data; + mapEntry = st->mapEntry[l]; + mapEntry.origLocation = cpu_to_le32(packet); + memmove(&st->mapEntry[k + 1], &st->mapEntry[k], (l - k) * sizeof(struct sparingEntry)); + st->mapEntry[k] = mapEntry; + udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry)); + mark_buffer_dirty(sdata->s_spar_map[j]); } } - *new_block = - le32_to_cpu(st->mapEntry[k]. - mappedLocation) + - ((old_block - - UDF_SB_PARTROOT(sb, - i)) & (sdata-> - s_packet_len - - 1)); + *new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) + + ((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1)); return 0; } } + return 1; - } + } /* if old_block */ } + if (i == UDF_SB_NUMPARTS(sb)) { /* outside of partitions */ /* for now, fail =) */ diff --git a/fs/udf/super.c b/fs/udf/super.c index 72097ee6b75..7b30964665d 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -104,11 +104,11 @@ static int udf_get_sb(struct file_system_type *fs_type, } static struct file_system_type udf_fstype = { - .owner = THIS_MODULE, - .name = "udf", - .get_sb = udf_get_sb, - .kill_sb = kill_block_super, - .fs_flags = FS_REQUIRES_DEV, + .owner = THIS_MODULE, + .name = "udf", + .get_sb = udf_get_sb, + .kill_sb = kill_block_super, + .fs_flags = FS_REQUIRES_DEV, }; static struct kmem_cache *udf_inode_cachep; @@ -116,8 +116,7 @@ static struct kmem_cache *udf_inode_cachep; static struct inode *udf_alloc_inode(struct super_block *sb) { struct udf_inode_info *ei; - ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, - GFP_KERNEL); + ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, GFP_KERNEL); if (!ei) return NULL; @@ -150,7 +149,7 @@ static int init_inodecache(void) 0, (SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD), init_once); - if (udf_inode_cachep == NULL) + if (!udf_inode_cachep) return -ENOMEM; return 0; } @@ -162,15 +161,15 @@ static void destroy_inodecache(void) /* Superblock operations */ static const struct super_operations udf_sb_ops = { - .alloc_inode = udf_alloc_inode, - .destroy_inode = udf_destroy_inode, - .write_inode = udf_write_inode, - .delete_inode = udf_delete_inode, - .clear_inode = udf_clear_inode, - .put_super = udf_put_super, - .write_super = udf_write_super, - .statfs = udf_statfs, - .remount_fs = udf_remount_fs, + .alloc_inode = udf_alloc_inode, + .destroy_inode = udf_destroy_inode, + .write_inode = udf_write_inode, + .delete_inode = udf_delete_inode, + .clear_inode = udf_clear_inode, + .put_super = udf_put_super, + .write_super = udf_write_super, + .statfs = udf_statfs, + .remount_fs = udf_remount_fs, }; struct udf_options { @@ -193,16 +192,20 @@ struct udf_options { static int __init init_udf_fs(void) { int err; + err = init_inodecache(); if (err) goto out1; err = register_filesystem(&udf_fstype); if (err) goto out; + return 0; - out: + +out: destroy_inodecache(); - out1: + +out1: return err; } @@ -213,7 +216,7 @@ static void __exit exit_udf_fs(void) } module_init(init_udf_fs) - module_exit(exit_udf_fs) +module_exit(exit_udf_fs) /* * udf_parse_options @@ -239,7 +242,7 @@ module_init(init_udf_fs) * * The remaining are for debugging and disaster recovery: * - * novrs Skip volume sequence recognition + * novrs Skip volume sequence recognition * * The following expect a offset from 0. * @@ -268,6 +271,7 @@ module_init(init_udf_fs) * July 1, 1997 - Andrew E. Mileski * Written, tested, and released. */ + enum { Opt_novrs, Opt_nostrict, Opt_bs, Opt_unhide, Opt_undelete, Opt_noadinicb, Opt_adinicb, Opt_shortad, Opt_longad, @@ -278,32 +282,32 @@ enum { }; static match_table_t tokens = { - {Opt_novrs, "novrs"}, - {Opt_nostrict, "nostrict"}, - {Opt_bs, "bs=%u"}, - {Opt_unhide, "unhide"}, - {Opt_undelete, "undelete"}, - {Opt_noadinicb, "noadinicb"}, - {Opt_adinicb, "adinicb"}, - {Opt_shortad, "shortad"}, - {Opt_longad, "longad"}, - {Opt_uforget, "uid=forget"}, - {Opt_uignore, "uid=ignore"}, - {Opt_gforget, "gid=forget"}, - {Opt_gignore, "gid=ignore"}, - {Opt_gid, "gid=%u"}, - {Opt_uid, "uid=%u"}, - {Opt_umask, "umask=%o"}, - {Opt_session, "session=%u"}, - {Opt_lastblock, "lastblock=%u"}, - {Opt_anchor, "anchor=%u"}, - {Opt_volume, "volume=%u"}, - {Opt_partition, "partition=%u"}, - {Opt_fileset, "fileset=%u"}, - {Opt_rootdir, "rootdir=%u"}, - {Opt_utf8, "utf8"}, - {Opt_iocharset, "iocharset=%s"}, - {Opt_err, NULL} + {Opt_novrs, "novrs"}, + {Opt_nostrict, "nostrict"}, + {Opt_bs, "bs=%u"}, + {Opt_unhide, "unhide"}, + {Opt_undelete, "undelete"}, + {Opt_noadinicb, "noadinicb"}, + {Opt_adinicb, "adinicb"}, + {Opt_shortad, "shortad"}, + {Opt_longad, "longad"}, + {Opt_uforget, "uid=forget"}, + {Opt_uignore, "uid=ignore"}, + {Opt_gforget, "gid=forget"}, + {Opt_gignore, "gid=ignore"}, + {Opt_gid, "gid=%u"}, + {Opt_uid, "uid=%u"}, + {Opt_umask, "umask=%o"}, + {Opt_session, "session=%u"}, + {Opt_lastblock, "lastblock=%u"}, + {Opt_anchor, "anchor=%u"}, + {Opt_volume, "volume=%u"}, + {Opt_partition, "partition=%u"}, + {Opt_fileset, "fileset=%u"}, + {Opt_rootdir, "rootdir=%u"}, + {Opt_utf8, "utf8"}, + {Opt_iocharset, "iocharset=%s"}, + {Opt_err, NULL} }; static int udf_parse_options(char *options, struct udf_options *uopt) @@ -444,9 +448,11 @@ static int udf_parse_options(char *options, struct udf_options *uopt) void udf_write_super(struct super_block *sb) { lock_kernel(); + if (!(sb->s_flags & MS_RDONLY)) udf_open_lvid(sb); sb->s_dirt = 0; + unlock_kernel(); } @@ -455,16 +461,16 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options) struct udf_options uopt; uopt.flags = UDF_SB(sb)->s_flags; - uopt.uid = UDF_SB(sb)->s_uid; - uopt.gid = UDF_SB(sb)->s_gid; + uopt.uid = UDF_SB(sb)->s_uid; + uopt.gid = UDF_SB(sb)->s_gid; uopt.umask = UDF_SB(sb)->s_umask; if (!udf_parse_options(options, &uopt)) return -EINVAL; UDF_SB(sb)->s_flags = uopt.flags; - UDF_SB(sb)->s_uid = uopt.uid; - UDF_SB(sb)->s_gid = uopt.gid; + UDF_SB(sb)->s_uid = uopt.uid; + UDF_SB(sb)->s_gid = uopt.gid; UDF_SB(sb)->s_umask = uopt.umask; if (UDF_SB_LVIDBH(sb)) { @@ -517,6 +523,7 @@ static int udf_set_blocksize(struct super_block *sb, int bsize) printk(KERN_ERR "udf: bad block size (%d)\n", bsize); return 0; } + return sb->s_blocksize; } @@ -552,15 +559,12 @@ static int udf_vrs(struct super_block *sb, int silent) /* Look for ISO descriptors */ vsd = (struct volStructDesc *)(bh->b_data + - (sector & - (sb->s_blocksize - 1))); + (sector & (sb->s_blocksize - 1))); if (vsd->stdIdent[0] == 0) { brelse(bh); break; - } else - if (!strncmp - (vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) { + } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) { iso9660 = sector; switch (vsd->structType) { case 0: @@ -587,21 +591,13 @@ static int udf_vrs(struct super_block *sb, int silent) vsd->structType); break; } - } else - if (!strncmp - (vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) { - } else - if (!strncmp - (vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) { + } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) { + } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) { brelse(bh); break; - } else - if (!strncmp - (vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) { + } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) { nsr02 = sector; - } else - if (!strncmp - (vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) { + } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) { nsr03 = sector; } brelse(bh); @@ -644,11 +640,10 @@ static void udf_find_anchor(struct super_block *sb) if (lastblock) { int varlastblock = udf_variable_to_fixed(lastblock); - int last[] = { lastblock, lastblock - 2, - lastblock - 150, lastblock - 152, - varlastblock, varlastblock - 2, - varlastblock - 150, varlastblock - 152 - }; + int last[] = { lastblock, lastblock - 2, + lastblock - 150, lastblock - 152, + varlastblock, varlastblock - 2, + varlastblock - 150, varlastblock - 152 }; lastblock = 0; @@ -664,88 +659,54 @@ static void udf_find_anchor(struct super_block *sb) if (last[i] < 0 || !(bh = sb_bread(sb, last[i]))) { ident = location = 0; } else { - ident = - le16_to_cpu(((tag *) bh->b_data)->tagIdent); - location = - le32_to_cpu(((tag *) bh->b_data)-> - tagLocation); + ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); + location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); brelse(bh); } if (ident == TAG_IDENT_AVDP) { if (location == last[i] - UDF_SB_SESSION(sb)) { - lastblock = UDF_SB_ANCHOR(sb)[0] = - last[i] - UDF_SB_SESSION(sb); - UDF_SB_ANCHOR(sb)[1] = - last[i] - 256 - UDF_SB_SESSION(sb); - } else if (location == - udf_variable_to_fixed(last[i]) - - UDF_SB_SESSION(sb)) { + lastblock = UDF_SB_ANCHOR(sb)[0] = last[i] - UDF_SB_SESSION(sb); + UDF_SB_ANCHOR(sb)[1] = last[i] - 256 - UDF_SB_SESSION(sb); + } else if (location == udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb)) { UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); - lastblock = UDF_SB_ANCHOR(sb)[0] = - udf_variable_to_fixed(last[i]) - - UDF_SB_SESSION(sb); - UDF_SB_ANCHOR(sb)[1] = - lastblock - 256 - - UDF_SB_SESSION(sb); - } else - udf_debug - ("Anchor found at block %d, location mismatch %d.\n", - last[i], location); - } else if (ident == TAG_IDENT_FE - || ident == TAG_IDENT_EFE) { + lastblock = UDF_SB_ANCHOR(sb)[0] = udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb); + UDF_SB_ANCHOR(sb)[1] = lastblock - 256 - UDF_SB_SESSION(sb); + } else { + udf_debug("Anchor found at block %d, location mismatch %d.\n", + last[i], location); + } + } else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE) { lastblock = last[i]; UDF_SB_ANCHOR(sb)[3] = 512; } else { - if (last[i] < 256 - || !(bh = sb_bread(sb, last[i] - 256))) { + if (last[i] < 256 || !(bh = sb_bread(sb, last[i] - 256))) { ident = location = 0; } else { - ident = - le16_to_cpu(((tag *) bh->b_data)-> - tagIdent); - location = - le32_to_cpu(((tag *) bh->b_data)-> - tagLocation); + ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); + location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); brelse(bh); } if (ident == TAG_IDENT_AVDP && - location == - last[i] - 256 - UDF_SB_SESSION(sb)) { + location == last[i] - 256 - UDF_SB_SESSION(sb)) { lastblock = last[i]; UDF_SB_ANCHOR(sb)[1] = last[i] - 256; } else { - if (last[i] < 312 + UDF_SB_SESSION(sb) - || !(bh = - sb_bread(sb, - last[i] - 312 - - UDF_SB_SESSION(sb)))) - { + if (last[i] < 312 + UDF_SB_SESSION(sb) || + !(bh = sb_bread(sb, last[i] - 312 - UDF_SB_SESSION(sb)))) { ident = location = 0; } else { - ident = - le16_to_cpu(((tag *) bh-> - b_data)-> - tagIdent); - location = - le32_to_cpu(((tag *) bh-> - b_data)-> - tagLocation); + ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); + location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); brelse(bh); } if (ident == TAG_IDENT_AVDP && - location == - udf_variable_to_fixed(last[i]) - - 256) { - UDF_SET_FLAG(sb, - UDF_FLAG_VARCONV); - lastblock = - udf_variable_to_fixed(last - [i]); - UDF_SB_ANCHOR(sb)[1] = - lastblock - 256; + location == udf_variable_to_fixed(last[i]) - 256) { + UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); + lastblock = udf_variable_to_fixed(last[i]); + UDF_SB_ANCHOR(sb)[1] = lastblock - 256; } } } @@ -755,9 +716,8 @@ static void udf_find_anchor(struct super_block *sb) if (!lastblock) { /* We havn't found the lastblock. check 312 */ if ((bh = sb_bread(sb, 312 + UDF_SB_SESSION(sb)))) { - ident = le16_to_cpu(((tag *) bh->b_data)->tagIdent); - location = - le32_to_cpu(((tag *) bh->b_data)->tagLocation); + ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); + location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); brelse(bh); if (ident == TAG_IDENT_AVDP && location == 256) @@ -767,19 +727,13 @@ static void udf_find_anchor(struct super_block *sb) for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) { if (UDF_SB_ANCHOR(sb)[i]) { - if (!(bh = udf_read_tagged(sb, - UDF_SB_ANCHOR(sb)[i], - UDF_SB_ANCHOR(sb)[i], - &ident))) { + if (!(bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i], + UDF_SB_ANCHOR(sb)[i], &ident))) { UDF_SB_ANCHOR(sb)[i] = 0; } else { brelse(bh); - if ((ident != TAG_IDENT_AVDP) && (i || - (ident != - TAG_IDENT_FE - && ident != - TAG_IDENT_EFE))) - { + if ((ident != TAG_IDENT_AVDP) && + (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) { UDF_SB_ANCHOR(sb)[i] = 0; } } @@ -789,9 +743,7 @@ static void udf_find_anchor(struct super_block *sb) UDF_SB_LASTBLOCK(sb) = lastblock; } -static int -udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset, - kernel_lb_addr * root) +static int udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr *root) { struct buffer_head *bh = NULL; long lastblock; @@ -801,18 +753,19 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset, fileset->partitionReferenceNum != 0xFFFF) { bh = udf_read_ptagged(sb, *fileset, 0, &ident); - if (!bh) + if (!bh) { return 1; - else if (ident != TAG_IDENT_FSD) { + } else if (ident != TAG_IDENT_FSD) { brelse(bh); return 1; } } - if (!bh) { /* Search backwards through the partitions */ + if (!bh) { /* Search backwards through the partitions */ kernel_lb_addr newfileset; +/* --> cvg: FIXME - is it reasonable? */ return 1; for (newfileset.partitionReferenceNum = UDF_SB_NUMPARTS(sb) - 1; @@ -820,14 +773,11 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset, fileset->logicalBlockNum == 0xFFFFFFFF && fileset->partitionReferenceNum == 0xFFFF); newfileset.partitionReferenceNum--) { - lastblock = - UDF_SB_PARTLEN(sb, - newfileset.partitionReferenceNum); + lastblock = UDF_SB_PARTLEN(sb, newfileset.partitionReferenceNum); newfileset.logicalBlockNum = 0; do { - bh = udf_read_ptagged(sb, newfileset, 0, - &ident); + bh = udf_read_ptagged(sb, newfileset, 0, &ident); if (!bh) { newfileset.logicalBlockNum++; continue; @@ -835,38 +785,28 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr * fileset, switch (ident) { case TAG_IDENT_SBD: - { - struct spaceBitmapDesc *sp; - sp = (struct spaceBitmapDesc *) - bh->b_data; - newfileset.logicalBlockNum += - 1 + - ((le32_to_cpu - (sp->numOfBytes) + - sizeof(struct - spaceBitmapDesc) - - 1) - >> sb->s_blocksize_bits); - brelse(bh); - break; - } + { + struct spaceBitmapDesc *sp; + sp = (struct spaceBitmapDesc *)bh->b_data; + newfileset.logicalBlockNum += 1 + + ((le32_to_cpu(sp->numOfBytes) + + sizeof(struct spaceBitmapDesc) - 1) + >> sb->s_blocksize_bits); + brelse(bh); + break; + } case TAG_IDENT_FSD: - { - *fileset = newfileset; - break; - } + *fileset = newfileset; + break; default: - { - newfileset.logicalBlockNum++; - brelse(bh); - bh = NULL; - break; - } + newfileset.logicalBlockNum++; + brelse(bh); + bh = NULL; + break; } - } - while (newfileset.logicalBlockNum < lastblock && - fileset->logicalBlockNum == 0xFFFFFFFF && - fileset->partitionReferenceNum == 0xFFFF); + } while (newfileset.logicalBlockNum < lastblock && + fileset->logicalBlockNum == 0xFFFFFFFF && + fileset->partitionReferenceNum == 0xFFFF); } } @@ -898,10 +838,10 @@ static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh) lets_to_cpu(pvoldesc->recordingDateAndTime))) { kernel_timestamp ts; ts = lets_to_cpu(pvoldesc->recordingDateAndTime); - udf_debug - ("recording time %ld/%ld, %04u/%02u/%02u %02u:%02u (%x)\n", - recording, recording_usec, ts.year, ts.month, ts.day, - ts.hour, ts.minute, ts.typeAndTimezone); + udf_debug("recording time %ld/%ld, %04u/%02u/%02u %02u:%02u (%x)\n", + recording, recording_usec, + ts.year, ts.month, ts.day, ts.hour, + ts.minute, ts.typeAndTimezone); UDF_SB_RECORDTIME(sb).tv_sec = recording; UDF_SB_RECORDTIME(sb).tv_nsec = recording_usec * 1000; } @@ -920,9 +860,8 @@ static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh) } } -static void -udf_load_fileset(struct super_block *sb, struct buffer_head *bh, - kernel_lb_addr * root) +static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh, + kernel_lb_addr *root) { struct fileSetDesc *fset; @@ -945,121 +884,72 @@ static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) { udf_debug("Searching map: (%d == %d)\n", - UDF_SB_PARTMAPS(sb)[i].s_partition_num, - le16_to_cpu(p->partitionNumber)); - if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == - le16_to_cpu(p->partitionNumber)) { - UDF_SB_PARTLEN(sb, i) = le32_to_cpu(p->partitionLength); /* blocks */ - UDF_SB_PARTROOT(sb, i) = - le32_to_cpu(p->partitionStartingLocation); - if (le32_to_cpu(p->accessType) == - PD_ACCESS_TYPE_READ_ONLY) - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_READ_ONLY; - if (le32_to_cpu(p->accessType) == - PD_ACCESS_TYPE_WRITE_ONCE) - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_WRITE_ONCE; - if (le32_to_cpu(p->accessType) == - PD_ACCESS_TYPE_REWRITABLE) - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_REWRITABLE; - if (le32_to_cpu(p->accessType) == - PD_ACCESS_TYPE_OVERWRITABLE) - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_OVERWRITABLE; - - if (!strcmp - (p->partitionContents.ident, - PD_PARTITION_CONTENTS_NSR02) - || !strcmp(p->partitionContents.ident, - PD_PARTITION_CONTENTS_NSR03)) { + UDF_SB_PARTMAPS(sb)[i].s_partition_num, le16_to_cpu(p->partitionNumber)); + if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == le16_to_cpu(p->partitionNumber)) { + UDF_SB_PARTLEN(sb,i) = le32_to_cpu(p->partitionLength); /* blocks */ + UDF_SB_PARTROOT(sb,i) = le32_to_cpu(p->partitionStartingLocation); + if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_READ_ONLY) + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_READ_ONLY; + if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_WRITE_ONCE) + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_WRITE_ONCE; + if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_REWRITABLE) + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_REWRITABLE; + if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_OVERWRITABLE) + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_OVERWRITABLE; + + if (!strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR02) || + !strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03)) { struct partitionHeaderDesc *phd; - phd = - (struct partitionHeaderDesc *)(p-> - partitionContentsUse); + phd = (struct partitionHeaderDesc *)(p->partitionContentsUse); if (phd->unallocSpaceTable.extLength) { - kernel_lb_addr loc = - { le32_to_cpu(phd-> - unallocSpaceTable. - extPosition), i }; - - UDF_SB_PARTMAPS(sb)[i].s_uspace. - s_table = udf_iget(sb, loc); - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_UNALLOC_TABLE; - udf_debug - ("unallocSpaceTable (part %d) @ %ld\n", - i, - UDF_SB_PARTMAPS(sb)[i].s_uspace. - s_table->i_ino); + kernel_lb_addr loc = { + .logicalBlockNum = le32_to_cpu(phd->unallocSpaceTable.extPosition), + .partitionReferenceNum = i, + }; + + UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table = + udf_iget(sb, loc); + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_TABLE; + udf_debug("unallocSpaceTable (part %d) @ %ld\n", + i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table->i_ino); } if (phd->unallocSpaceBitmap.extLength) { UDF_SB_ALLOC_BITMAP(sb, i, s_uspace); - if (UDF_SB_PARTMAPS(sb)[i].s_uspace. - s_bitmap != NULL) { - UDF_SB_PARTMAPS(sb)[i].s_uspace. - s_bitmap->s_extLength = - le32_to_cpu(phd-> - unallocSpaceBitmap. - extLength); - UDF_SB_PARTMAPS(sb)[i].s_uspace. - s_bitmap->s_extPosition = - le32_to_cpu(phd-> - unallocSpaceBitmap. - extPosition); - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_UNALLOC_BITMAP; - udf_debug - ("unallocSpaceBitmap (part %d) @ %d\n", - i, - UDF_SB_PARTMAPS(sb)[i]. - s_uspace.s_bitmap-> - s_extPosition); + if (UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap != NULL) { + UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extLength = + le32_to_cpu(phd->unallocSpaceBitmap.extLength); + UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition = + le32_to_cpu(phd->unallocSpaceBitmap.extPosition); + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_BITMAP; + udf_debug("unallocSpaceBitmap (part %d) @ %d\n", + i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition); } } if (phd->partitionIntegrityTable.extLength) - udf_debug - ("partitionIntegrityTable (part %d)\n", - i); + udf_debug("partitionIntegrityTable (part %d)\n", i); if (phd->freedSpaceTable.extLength) { - kernel_lb_addr loc = - { le32_to_cpu(phd->freedSpaceTable. - extPosition), i }; - - UDF_SB_PARTMAPS(sb)[i].s_fspace. - s_table = udf_iget(sb, loc); - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_FREED_TABLE; - udf_debug - ("freedSpaceTable (part %d) @ %ld\n", - i, - UDF_SB_PARTMAPS(sb)[i].s_fspace. - s_table->i_ino); + kernel_lb_addr loc = { + .logicalBlockNum = le32_to_cpu(phd->freedSpaceTable.extPosition), + .partitionReferenceNum = i, + }; + + UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table = + udf_iget(sb, loc); + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_TABLE; + udf_debug("freedSpaceTable (part %d) @ %ld\n", + i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table->i_ino); } if (phd->freedSpaceBitmap.extLength) { UDF_SB_ALLOC_BITMAP(sb, i, s_fspace); - if (UDF_SB_PARTMAPS(sb)[i].s_fspace. - s_bitmap != NULL) { - UDF_SB_PARTMAPS(sb)[i].s_fspace. - s_bitmap->s_extLength = - le32_to_cpu(phd-> - freedSpaceBitmap. - extLength); - UDF_SB_PARTMAPS(sb)[i].s_fspace. - s_bitmap->s_extPosition = - le32_to_cpu(phd-> - freedSpaceBitmap. - extPosition); - UDF_SB_PARTFLAGS(sb, i) |= - UDF_PART_FLAG_FREED_BITMAP; - udf_debug - ("freedSpaceBitmap (part %d) @ %d\n", - i, - UDF_SB_PARTMAPS(sb)[i]. - s_fspace.s_bitmap-> - s_extPosition); + if (UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap != NULL) { + UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extLength = + le32_to_cpu(phd->freedSpaceBitmap.extLength); + UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition = + le32_to_cpu(phd->freedSpaceBitmap.extPosition); + UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_BITMAP; + udf_debug("freedSpaceBitmap (part %d) @ %d\n", + i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition); } } } @@ -1070,16 +960,14 @@ static void udf_load_partdesc(struct super_block *sb, struct buffer_head *bh) udf_debug("Partition (%d) not found in partition map\n", le16_to_cpu(p->partitionNumber)); } else { - udf_debug - ("Partition (%d:%d type %x) starts at physical %d, block length %d\n", - le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb, i), - UDF_SB_PARTROOT(sb, i), UDF_SB_PARTLEN(sb, i)); + udf_debug("Partition (%d:%d type %x) starts at physical %d, block length %d\n", + le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb,i), + UDF_SB_PARTROOT(sb,i), UDF_SB_PARTLEN(sb,i)); } } -static int -udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh, - kernel_lb_addr * fileset) +static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh, + kernel_lb_addr *fileset) { struct logicalVolDesc *lvd; int i, j, offset; @@ -1090,116 +978,69 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh, UDF_SB_ALLOC_PARTMAPS(sb, le32_to_cpu(lvd->numPartitionMaps)); for (i = 0, offset = 0; - i < UDF_SB_NUMPARTS(sb) - && offset < le32_to_cpu(lvd->mapTableLength); - i++, offset += - ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))-> - partitionMapLength) { - type = - ((struct genericPartitionMap *) - &(lvd->partitionMaps[offset]))->partitionMapType; + i < UDF_SB_NUMPARTS(sb) && offset < le32_to_cpu(lvd->mapTableLength); + i++, offset += ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapLength) { + type = ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapType; if (type == 1) { - struct genericPartitionMap1 *gpm1 = - (struct genericPartitionMap1 *)&(lvd-> - partitionMaps - [offset]); - UDF_SB_PARTTYPE(sb, i) = UDF_TYPE1_MAP15; - UDF_SB_PARTVSN(sb, i) = le16_to_cpu(gpm1->volSeqNum); - UDF_SB_PARTNUM(sb, i) = le16_to_cpu(gpm1->partitionNum); - UDF_SB_PARTFUNC(sb, i) = NULL; + struct genericPartitionMap1 *gpm1 = (struct genericPartitionMap1 *)&(lvd->partitionMaps[offset]); + UDF_SB_PARTTYPE(sb,i) = UDF_TYPE1_MAP15; + UDF_SB_PARTVSN(sb,i) = le16_to_cpu(gpm1->volSeqNum); + UDF_SB_PARTNUM(sb,i) = le16_to_cpu(gpm1->partitionNum); + UDF_SB_PARTFUNC(sb,i) = NULL; } else if (type == 2) { - struct udfPartitionMap2 *upm2 = - (struct udfPartitionMap2 *)&(lvd-> - partitionMaps[offset]); - if (!strncmp - (upm2->partIdent.ident, UDF_ID_VIRTUAL, - strlen(UDF_ID_VIRTUAL))) { - if (le16_to_cpu - (((__le16 *) upm2->partIdent. - identSuffix)[0]) == 0x0150) { - UDF_SB_PARTTYPE(sb, i) = - UDF_VIRTUAL_MAP15; - UDF_SB_PARTFUNC(sb, i) = - udf_get_pblock_virt15; - } else - if (le16_to_cpu - (((__le16 *) upm2->partIdent. - identSuffix)[0]) == 0x0200) { - UDF_SB_PARTTYPE(sb, i) = - UDF_VIRTUAL_MAP20; - UDF_SB_PARTFUNC(sb, i) = - udf_get_pblock_virt20; + struct udfPartitionMap2 *upm2 = (struct udfPartitionMap2 *)&(lvd->partitionMaps[offset]); + if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, strlen(UDF_ID_VIRTUAL))) { + if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0150) { + UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP15; + UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt15; + } else if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200) { + UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP20; + UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt20; } - } else - if (!strncmp - (upm2->partIdent.ident, UDF_ID_SPARABLE, - strlen(UDF_ID_SPARABLE))) { + } else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) { uint32_t loc; uint16_t ident; struct sparingTable *st; - struct sparablePartitionMap *spm = - (struct sparablePartitionMap *)&(lvd-> - partitionMaps - [offset]); - - UDF_SB_PARTTYPE(sb, i) = UDF_SPARABLE_MAP15; - UDF_SB_TYPESPAR(sb, i).s_packet_len = - le16_to_cpu(spm->packetLength); + struct sparablePartitionMap *spm = (struct sparablePartitionMap *)&(lvd->partitionMaps[offset]); + + UDF_SB_PARTTYPE(sb,i) = UDF_SPARABLE_MAP15; + UDF_SB_TYPESPAR(sb,i).s_packet_len = le16_to_cpu(spm->packetLength); for (j = 0; j < spm->numSparingTables; j++) { - loc = - le32_to_cpu(spm-> - locSparingTable[j]); - UDF_SB_TYPESPAR(sb, i).s_spar_map[j] = - udf_read_tagged(sb, loc, loc, - &ident); - if (UDF_SB_TYPESPAR(sb, i). - s_spar_map[j] != NULL) { - st = (struct sparingTable *) - UDF_SB_TYPESPAR(sb, - i). - s_spar_map[j]->b_data; - if (ident != 0 - || strncmp(st->sparingIdent. - ident, - UDF_ID_SPARING, - strlen - (UDF_ID_SPARING))) - { - brelse(UDF_SB_TYPESPAR - (sb, - i). - s_spar_map[j]); - UDF_SB_TYPESPAR(sb, - i). - s_spar_map[j] = - NULL; + loc = le32_to_cpu(spm->locSparingTable[j]); + UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = + udf_read_tagged(sb, loc, loc, &ident); + if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) { + st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,i).s_spar_map[j]->b_data; + if (ident != 0 || + strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) { + brelse(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]); + UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = NULL; } } } - UDF_SB_PARTFUNC(sb, i) = udf_get_pblock_spar15; + UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_spar15; } else { - udf_debug("Unknown ident: %s\n", - upm2->partIdent.ident); + udf_debug("Unknown ident: %s\n", upm2->partIdent.ident); continue; } - UDF_SB_PARTVSN(sb, i) = le16_to_cpu(upm2->volSeqNum); - UDF_SB_PARTNUM(sb, i) = le16_to_cpu(upm2->partitionNum); + UDF_SB_PARTVSN(sb,i) = le16_to_cpu(upm2->volSeqNum); + UDF_SB_PARTNUM(sb,i) = le16_to_cpu(upm2->partitionNum); } udf_debug("Partition (%d:%d) type %d on volume %d\n", - i, UDF_SB_PARTNUM(sb, i), type, UDF_SB_PARTVSN(sb, - i)); + i, UDF_SB_PARTNUM(sb,i), type, UDF_SB_PARTVSN(sb,i)); } if (fileset) { - long_ad *la = (long_ad *) & (lvd->logicalVolContentsUse[0]); + long_ad *la = (long_ad *)&(lvd->logicalVolContentsUse[0]); *fileset = lelb_to_cpu(la->extLocation); - udf_debug - ("FileSet found in LogicalVolDesc at block=%d, partition=%d\n", - fileset->logicalBlockNum, fileset->partitionReferenceNum); + udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n", + fileset->logicalBlockNum, + fileset->partitionReferenceNum); } if (lvd->integritySeqExt.extLength) udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt)); + return 0; } @@ -1219,9 +1060,7 @@ static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc) UDF_SB_LVIDBH(sb) = bh; if (UDF_SB_LVID(sb)->nextIntegrityExt.extLength) - udf_load_logicalvolint(sb, - leea_to_cpu(UDF_SB_LVID(sb)-> - nextIntegrityExt)); + udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt)); if (UDF_SB_LVIDBH(sb) != bh) brelse(bh); @@ -1247,9 +1086,8 @@ static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc) * July 1, 1997 - Andrew E. Mileski * Written, tested, and released. */ -static int -udf_process_sequence(struct super_block *sb, long block, long lastblock, - kernel_lb_addr * fileset) +static int udf_process_sequence(struct super_block *sb, long block, long lastblock, + kernel_lb_addr *fileset) { struct buffer_head *bh = NULL; struct udf_vds_record vds[VDS_POS_LENGTH]; @@ -1274,82 +1112,71 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, gd = (struct generic_desc *)bh->b_data; vdsn = le32_to_cpu(gd->volDescSeqNum); switch (ident) { - case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */ + case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */ if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum) { - vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = - vdsn; + vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = vdsn; vds[VDS_POS_PRIMARY_VOL_DESC].block = block; } break; - case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */ + case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */ if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum) { vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn; vds[VDS_POS_VOL_DESC_PTR].block = block; vdp = (struct volDescPtr *)bh->b_data; - next_s = - le32_to_cpu(vdp->nextVolDescSeqExt. - extLocation); - next_e = - le32_to_cpu(vdp->nextVolDescSeqExt. - extLength); + next_s = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation); + next_e = le32_to_cpu(vdp->nextVolDescSeqExt.extLength); next_e = next_e >> sb->s_blocksize_bits; next_e += next_s; } break; - case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */ + case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */ if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum) { - vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = - vdsn; + vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = vdsn; vds[VDS_POS_IMP_USE_VOL_DESC].block = block; } break; - case TAG_IDENT_PD: /* ISO 13346 3/10.5 */ + case TAG_IDENT_PD: /* ISO 13346 3/10.5 */ if (!vds[VDS_POS_PARTITION_DESC].block) vds[VDS_POS_PARTITION_DESC].block = block; break; - case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */ + case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */ if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum) { - vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = - vdsn; + vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = vdsn; vds[VDS_POS_LOGICAL_VOL_DESC].block = block; } break; - case TAG_IDENT_USD: /* ISO 13346 3/10.8 */ - if (vdsn >= - vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) { - vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = - vdsn; + case TAG_IDENT_USD: /* ISO 13346 3/10.8 */ + if (vdsn >= vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) { + vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = vdsn; vds[VDS_POS_UNALLOC_SPACE_DESC].block = block; } break; - case TAG_IDENT_TD: /* ISO 13346 3/10.9 */ + case TAG_IDENT_TD: /* ISO 13346 3/10.9 */ vds[VDS_POS_TERMINATING_DESC].block = block; if (next_e) { block = next_s; lastblock = next_e; next_s = next_e = 0; - } else + } else { done = 1; + } break; } brelse(bh); } for (i = 0; i < VDS_POS_LENGTH; i++) { if (vds[i].block) { - bh = udf_read_tagged(sb, vds[i].block, vds[i].block, - &ident); + bh = udf_read_tagged(sb, vds[i].block, vds[i].block, &ident); - if (i == VDS_POS_PRIMARY_VOL_DESC) + if (i == VDS_POS_PRIMARY_VOL_DESC) { udf_load_pvoldesc(sb, bh); - else if (i == VDS_POS_LOGICAL_VOL_DESC) + } else if (i == VDS_POS_LOGICAL_VOL_DESC) { udf_load_logicalvol(sb, bh, fileset); - else if (i == VDS_POS_PARTITION_DESC) { + } else if (i == VDS_POS_PARTITION_DESC) { struct buffer_head *bh2 = NULL; udf_load_partdesc(sb, bh); - for (j = vds[i].block + 1; - j < vds[VDS_POS_TERMINATING_DESC].block; - j++) { + for (j = vds[i].block + 1; j < vds[VDS_POS_TERMINATING_DESC].block; j++) { bh2 = udf_read_tagged(sb, j, j, &ident); gd = (struct generic_desc *)bh2->b_data; if (ident == TAG_IDENT_PD) @@ -1378,16 +1205,17 @@ static int udf_check_valid(struct super_block *sb, int novrs, int silent) /* Check that it is NSR02 compliant */ /* Process any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1) */ else if ((block = udf_vrs(sb, silent)) == -1) { - udf_debug - ("Failed to read byte 32768. Assuming open disc. Skipping validity check\n"); + udf_debug("Failed to read byte 32768. Assuming open disc. " + "Skipping validity check\n"); if (!UDF_SB_LASTBLOCK(sb)) UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb); return 0; - } else + } else { return !block; + } } -static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset) +static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset) { struct anchorVolDescPtr *anchor; uint16_t ident; @@ -1399,28 +1227,20 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset) return 1; for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) { - if (UDF_SB_ANCHOR(sb)[i] && (bh = udf_read_tagged(sb, - UDF_SB_ANCHOR - (sb)[i], - UDF_SB_ANCHOR - (sb)[i], - &ident))) { + if (UDF_SB_ANCHOR(sb)[i] && + (bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i], + UDF_SB_ANCHOR(sb)[i], &ident))) { anchor = (struct anchorVolDescPtr *)bh->b_data; /* Locate the main sequence */ - main_s = - le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); - main_e = - le32_to_cpu(anchor->mainVolDescSeqExt.extLength); + main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation); + main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength ); main_e = main_e >> sb->s_blocksize_bits; main_e += main_s; /* Locate the reserve sequence */ - reserve_s = - le32_to_cpu(anchor->reserveVolDescSeqExt. - extLocation); - reserve_e = - le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); + reserve_s = le32_to_cpu(anchor->reserveVolDescSeqExt.extLocation); + reserve_e = le32_to_cpu(anchor->reserveVolDescSeqExt.extLength); reserve_e = reserve_e >> sb->s_blocksize_bits; reserve_e += reserve_s; @@ -1428,10 +1248,8 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset) /* Process the main & reserve sequences */ /* responsible for finding the PartitionDesc(s) */ - if (! - (udf_process_sequence(sb, main_s, main_e, fileset) - && udf_process_sequence(sb, reserve_s, reserve_e, - fileset))) { + if (!(udf_process_sequence(sb, main_s, main_e, fileset) && + udf_process_sequence(sb, reserve_s, reserve_e, fileset))) { break; } } @@ -1444,81 +1262,67 @@ static int udf_load_partition(struct super_block *sb, kernel_lb_addr * fileset) udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]); for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) { + kernel_lb_addr uninitialized_var(ino); switch (UDF_SB_PARTTYPE(sb, i)) { case UDF_VIRTUAL_MAP15: case UDF_VIRTUAL_MAP20: - { - kernel_lb_addr uninitialized_var(ino); + if (!UDF_SB_LASTBLOCK(sb)) { + UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb); + udf_find_anchor(sb); + } - if (!UDF_SB_LASTBLOCK(sb)) { - UDF_SB_LASTBLOCK(sb) = - udf_get_last_block(sb); - udf_find_anchor(sb); - } + if (!UDF_SB_LASTBLOCK(sb)) { + udf_debug("Unable to determine Lastblock (For " + "Virtual Partition)\n"); + return 1; + } - if (!UDF_SB_LASTBLOCK(sb)) { - udf_debug - ("Unable to determine Lastblock (For Virtual Partition)\n"); - return 1; + for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) { + if (j != i && UDF_SB_PARTVSN(sb, i) == + UDF_SB_PARTVSN(sb, j) && + UDF_SB_PARTNUM(sb, i) == + UDF_SB_PARTNUM(sb, j)) { + ino.partitionReferenceNum = j; + ino.logicalBlockNum = + UDF_SB_LASTBLOCK(sb) - + UDF_SB_PARTROOT(sb, j); + break; } + } - for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) { - if (j != i && - UDF_SB_PARTVSN(sb, - i) == - UDF_SB_PARTVSN(sb, j) - && UDF_SB_PARTNUM(sb, - i) == - UDF_SB_PARTNUM(sb, j)) { - ino.partitionReferenceNum = j; - ino.logicalBlockNum = - UDF_SB_LASTBLOCK(sb) - - UDF_SB_PARTROOT(sb, j); - break; - } - } + if (j == UDF_SB_NUMPARTS(sb)) + return 1; - if (j == UDF_SB_NUMPARTS(sb)) - return 1; + if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino))) + return 1; - if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino))) - return 1; + if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) { + UDF_SB_TYPEVIRT(sb, i).s_start_offset = + udf_ext0_offset(UDF_SB_VAT(sb)); + UDF_SB_TYPEVIRT(sb, i).s_num_entries = + (UDF_SB_VAT(sb)->i_size - 36) >> 2; + } else if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP20) { + struct buffer_head *bh = NULL; + uint32_t pos; - if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) { - UDF_SB_TYPEVIRT(sb, i).s_start_offset = - udf_ext0_offset(UDF_SB_VAT(sb)); - UDF_SB_TYPEVIRT(sb, i).s_num_entries = - (UDF_SB_VAT(sb)->i_size - 36) >> 2; - } else if (UDF_SB_PARTTYPE(sb, i) == - UDF_VIRTUAL_MAP20) { - struct buffer_head *bh = NULL; - uint32_t pos; - - 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; - 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); + 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; + 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); } } return 0; @@ -1555,42 +1359,32 @@ static void udf_open_lvid(struct super_block *sb) static void udf_close_lvid(struct super_block *sb) { + kernel_timestamp cpu_time; + int i; + if (UDF_SB_LVIDBH(sb) && UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN) { - int i; - kernel_timestamp cpu_time; - UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX; UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX; if (udf_time_to_stamp(&cpu_time, CURRENT_TIME)) - UDF_SB_LVID(sb)->recordingDateAndTime = - cpu_to_lets(cpu_time); - if (UDF_MAX_WRITE_VERSION > - le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev)) - UDF_SB_LVIDIU(sb)->maxUDFWriteRev = - cpu_to_le16(UDF_MAX_WRITE_VERSION); - if (UDF_SB_UDFREV(sb) > - le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev)) - UDF_SB_LVIDIU(sb)->minUDFReadRev = - cpu_to_le16(UDF_SB_UDFREV(sb)); - if (UDF_SB_UDFREV(sb) > - le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev)) - UDF_SB_LVIDIU(sb)->minUDFWriteRev = - cpu_to_le16(UDF_SB_UDFREV(sb)); - UDF_SB_LVID(sb)->integrityType = - cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); + UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time); + if (UDF_MAX_WRITE_VERSION > le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev)) + UDF_SB_LVIDIU(sb)->maxUDFWriteRev = cpu_to_le16(UDF_MAX_WRITE_VERSION); + if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev)) + UDF_SB_LVIDIU(sb)->minUDFReadRev = cpu_to_le16(UDF_SB_UDFREV(sb)); + if (UDF_SB_UDFREV(sb) > le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev)) + UDF_SB_LVIDIU(sb)->minUDFWriteRev = cpu_to_le16(UDF_SB_UDFREV(sb)); + UDF_SB_LVID(sb)->integrityType = cpu_to_le32(LVID_INTEGRITY_TYPE_CLOSE); UDF_SB_LVID(sb)->descTag.descCRC = - cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag), - le16_to_cpu(UDF_SB_LVID(sb)->descTag. - descCRCLength), 0)); + cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag), + le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0)); UDF_SB_LVID(sb)->descTag.tagChecksum = 0; for (i = 0; i < 16; i++) if (i != 4) UDF_SB_LVID(sb)->descTag.tagChecksum += - ((uint8_t *) & - (UDF_SB_LVID(sb)->descTag))[i]; + ((uint8_t *)&(UDF_SB_LVID(sb)->descTag))[i]; mark_buffer_dirty(UDF_SB_LVIDBH(sb)); } @@ -1628,6 +1422,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) sbi = kmalloc(sizeof(struct udf_sb_info), GFP_KERNEL); if (!sbi) return -ENOMEM; + sb->s_fs_info = sbi; memset(UDF_SB(sb), 0x00, sizeof(struct udf_sb_info)); @@ -1679,7 +1474,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) UDF_SB_ANCHOR(sb)[2] = uopt.anchor; UDF_SB_ANCHOR(sb)[3] = 256; - if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */ + if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */ printk("UDF-fs: No VRS found\n"); goto error_out; } @@ -1701,10 +1496,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) udf_debug("Lastblock=%d\n", UDF_SB_LASTBLOCK(sb)); if (UDF_SB_LVIDBH(sb)) { - uint16_t minUDFReadRev = - le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev); - uint16_t minUDFWriteRev = - le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev); + uint16_t minUDFReadRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev); + uint16_t minUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev); /* uint16_t maxUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev); */ if (minUDFReadRev > UDF_MAX_READ_VERSION) { @@ -1729,10 +1522,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) goto error_out; } - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_READ_ONLY) { - printk - ("UDF-fs: Partition marked readonly; forcing readonly mount\n"); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_READ_ONLY) { + printk("UDF-fs: Partition marked readonly; forcing readonly mount\n"); sb->s_flags |= MS_RDONLY; } @@ -1744,10 +1535,11 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) if (!silent) { kernel_timestamp ts; udf_time_to_stamp(&ts, UDF_SB_RECORDTIME(sb)); - udf_info - ("UDF %s (%s) Mounting volume '%s', timestamp %04u/%02u/%02u %02u:%02u (%x)\n", - UDFFS_VERSION, UDFFS_DATE, UDF_SB_VOLIDENT(sb), ts.year, - ts.month, ts.day, ts.hour, ts.minute, ts.typeAndTimezone); + udf_info("UDF %s (%s) Mounting volume '%s', " + "timestamp %04u/%02u/%02u %02u:%02u (%x)\n", + UDFFS_VERSION, UDFFS_DATE, + UDF_SB_VOLIDENT(sb), ts.year, ts.month, ts.day, ts.hour, ts.minute, + ts.typeAndTimezone); } if (!(sb->s_flags & MS_RDONLY)) udf_open_lvid(sb); @@ -1772,30 +1564,21 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) sb->s_maxbytes = MAX_LFS_FILESIZE; return 0; - error_out: +error_out: if (UDF_SB_VAT(sb)) iput(UDF_SB_VAT(sb)); if (UDF_SB_NUMPARTS(sb)) { - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_TABLE) - iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace. - s_table); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_TABLE) - iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace. - s_table); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_BITMAP) - UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_uspace); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_BITMAP) - UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_fspace); - if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == - UDF_SPARABLE_MAP15) { + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) + iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) + iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) + UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_uspace); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) + UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_fspace); + if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) { for (i = 0; i < 4; i++) - brelse(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 @@ -1808,6 +1591,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) UDF_SB_FREE(sb); kfree(sbi); sb->s_fs_info = NULL; + return -EINVAL; } @@ -1823,8 +1607,8 @@ void udf_error(struct super_block *sb, const char *function, va_start(args, fmt); vsnprintf(error_buf, sizeof(error_buf), fmt, args); va_end(args); - printk(KERN_CRIT "UDF-fs error (device %s): %s: %s\n", - sb->s_id, function, error_buf); + printk (KERN_CRIT "UDF-fs error (device %s): %s: %s\n", + sb->s_id, function, error_buf); } void udf_warning(struct super_block *sb, const char *function, @@ -1859,26 +1643,17 @@ static void udf_put_super(struct super_block *sb) if (UDF_SB_VAT(sb)) iput(UDF_SB_VAT(sb)); if (UDF_SB_NUMPARTS(sb)) { - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_TABLE) - iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace. - s_table); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_TABLE) - iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace. - s_table); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_BITMAP) - UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_uspace); - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_BITMAP) - UDF_SB_FREE_BITMAP(sb, UDF_SB_PARTITION(sb), s_fspace); - if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == - UDF_SPARABLE_MAP15) { + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) + iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) + iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) + UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_uspace); + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) + UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_fspace); + if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) { for (i = 0; i < 4; i++) - brelse(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 @@ -1917,8 +1692,7 @@ static int udf_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bavail = buf->f_bfree; buf->f_files = (UDF_SB_LVIDBH(sb) ? (le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) + - le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + - buf->f_bfree; + le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + buf->f_bfree; buf->f_ffree = buf->f_bfree; /* __kernel_fsid_t f_fsid */ buf->f_namelen = UDF_NAME_LEN - 2; @@ -1930,8 +1704,7 @@ static unsigned char udf_bitmap_lookup[16] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 }; -static unsigned int -udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) +static unsigned int udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) { struct buffer_head *bh = NULL; unsigned int accum = 0; @@ -1961,8 +1734,8 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) bm = (struct spaceBitmapDesc *)bh->b_data; bytes = le32_to_cpu(bm->numOfBytes); - index = sizeof(struct spaceBitmapDesc); /* offset in first block only */ - ptr = (uint8_t *) bh->b_data; + index = sizeof(struct spaceBitmapDesc); /* offset in first block only */ + ptr = (uint8_t *)bh->b_data; while (bytes > 0) { while ((bytes > 0) && (index < sb->s_blocksize)) { @@ -1981,19 +1754,18 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap) goto out; } index = 0; - ptr = (uint8_t *) bh->b_data; + ptr = (uint8_t *)bh->b_data; } } brelse(bh); - out: +out: unlock_kernel(); return accum; } -static unsigned int -udf_count_free_table(struct super_block *sb, struct inode *table) +static unsigned int udf_count_free_table(struct super_block *sb, struct inode *table) { unsigned int accum = 0; uint32_t elen; @@ -2007,8 +1779,9 @@ udf_count_free_table(struct super_block *sb, struct inode *table) epos.offset = sizeof(struct unallocSpaceEntry); epos.bh = NULL; - while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) + while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { accum += (elen >> table->i_sb->s_blocksize_bits); + } brelse(epos.bh); unlock_kernel(); @@ -2021,12 +1794,8 @@ static unsigned int udf_count_free(struct super_block *sb) unsigned int accum = 0; if (UDF_SB_LVIDBH(sb)) { - if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > - UDF_SB_PARTITION(sb)) { - accum = - le32_to_cpu(UDF_SB_LVID(sb)-> - freeSpaceTable[UDF_SB_PARTITION(sb)]); - + if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > UDF_SB_PARTITION(sb)) { + accum = le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]); if (accum == 0xFFFFFFFF) accum = 0; } @@ -2035,40 +1804,24 @@ static unsigned int udf_count_free(struct super_block *sb) if (accum) return accum; - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_BITMAP) { - accum += - udf_count_free_bitmap(sb, - UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION - (sb)].s_uspace. - s_bitmap); + if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) { + accum += udf_count_free_bitmap(sb, + UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_bitmap); } - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_BITMAP) { - accum += - udf_count_free_bitmap(sb, - UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION - (sb)].s_fspace. - s_bitmap); + if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) { + accum += udf_count_free_bitmap(sb, + UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_bitmap); } if (accum) return accum; - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_UNALLOC_TABLE) { - accum += - udf_count_free_table(sb, - UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION - (sb)].s_uspace. - s_table); + if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) { + accum += udf_count_free_table(sb, + UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table); } - if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & - UDF_PART_FLAG_FREED_TABLE) { - accum += - udf_count_free_table(sb, - UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION - (sb)].s_fspace. - s_table); + if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) { + accum += udf_count_free_table(sb, + UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table); } return accum; diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c index c4b82a92008..e6f933dd6a7 100644 --- a/fs/udf/symlink.c +++ b/fs/udf/symlink.c @@ -11,7 +11,7 @@ * Each contributing author retains all rights to their own work. * * (C) 1998-2001 Ben Fennema - * (C) 1999 Stelias Computing Inc + * (C) 1999 Stelias Computing Inc * * HISTORY * @@ -33,8 +33,7 @@ #include <linux/buffer_head.h> #include "udf_i.h" -static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen, - char *to) +static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen, char *to) { struct pathComponent *pc; int elen = 0; @@ -81,9 +80,9 @@ static int udf_symlink_filler(struct file *file, struct page *page) char *p = kmap(page); lock_kernel(); - if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) + if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) { symlink = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); - else { + } else { bh = sb_bread(inode->i_sb, udf_block_map(inode, 0)); if (!bh) @@ -100,7 +99,8 @@ static int udf_symlink_filler(struct file *file, struct page *page) kunmap(page); unlock_page(page); return 0; - out: + +out: unlock_kernel(); SetPageError(page); kunmap(page); @@ -112,5 +112,5 @@ static int udf_symlink_filler(struct file *file, struct page *page) * symlinks can't do much... */ const struct address_space_operations udf_symlink_aops = { - .readpage = udf_symlink_filler, + .readpage = udf_symlink_filler, }; diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index b2002da0a5c..7fc3912885a 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -32,13 +32,11 @@ 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; - int first_block = - (nelen + inode->i_sb->s_blocksize - - 1) >> inode->i_sb->s_blocksize_bits; + kernel_lb_addr neloc = {}; + int last_block = (elen + inode->i_sb->s_blocksize - 1) >> + inode->i_sb->s_blocksize_bits; + int first_block = (nelen + inode->i_sb->s_blocksize - 1) >> + inode->i_sb->s_blocksize_bits; if (nelen) { if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { @@ -70,7 +68,7 @@ static void extent_trunc(struct inode *inode, struct extent_position *epos, */ void udf_truncate_tail_extent(struct inode *inode) { - struct extent_position epos = { NULL, 0, {0, 0} }; + struct extent_position epos = {}; kernel_lb_addr eloc; uint32_t elen, nelen; uint64_t lbcount = 0; @@ -156,16 +154,16 @@ void udf_discard_prealloc(struct inode *inode) extent_trunc(inode, &epos, eloc, etype, elen, 0); if (!epos.bh) { UDF_I_LENALLOC(inode) = - epos.offset - udf_file_entry_alloc_offset(inode); + epos.offset - udf_file_entry_alloc_offset(inode); mark_inode_dirty(inode); } else { struct allocExtDesc *aed = - (struct allocExtDesc *)(epos.bh->b_data); + (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) + 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(epos.bh->b_data, epos.offset); else udf_update_tag(epos.bh->b_data, @@ -182,7 +180,7 @@ void udf_discard_prealloc(struct inode *inode) void udf_truncate_extents(struct inode *inode) { struct extent_position epos; - kernel_lb_addr eloc, neloc = { 0, 0 }; + kernel_lb_addr eloc, neloc = {}; uint32_t elen, nelen = 0, indirect_ext_len = 0, lenalloc; int8_t etype; struct super_block *sb = inode->i_sb; @@ -198,9 +196,8 @@ void udf_truncate_extents(struct inode *inode) BUG(); etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset); - byte_offset = - (offset << sb->s_blocksize_bits) + - (inode->i_size & (sb->s_blocksize - 1)); + byte_offset = (offset << sb->s_blocksize_bits) + + (inode->i_size & (sb->s_blocksize - 1)); if (etype != -1) { epos.offset -= adsize; extent_trunc(inode, &epos, eloc, etype, elen, byte_offset); @@ -215,9 +212,7 @@ void udf_truncate_extents(struct inode *inode) else lenalloc -= sizeof(struct allocExtDesc); - while ((etype = - udf_current_aext(inode, &epos, &eloc, &elen, - 0)) != -1) { + while ((etype = udf_current_aext(inode, &epos, &eloc, &elen, 0)) != -1) { if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { udf_write_aext(inode, &epos, neloc, nelen, 0); if (indirect_ext_len) { @@ -229,52 +224,35 @@ void udf_truncate_extents(struct inode *inode) 0, indirect_ext_len); } else { if (!epos.bh) { - UDF_I_LENALLOC(inode) = - lenalloc; + UDF_I_LENALLOC(inode) = lenalloc; mark_inode_dirty(inode); } else { struct allocExtDesc *aed = - (struct allocExtDesc - *)(epos.bh->b_data); + (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = cpu_to_le32(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)); + 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(epos.bh-> - b_data, - sizeof - (struct - allocExtDesc)); - mark_buffer_dirty_inode(epos.bh, - inode); + udf_update_tag(epos.bh->b_data, + sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } brelse(epos.bh); epos.offset = sizeof(struct allocExtDesc); epos.block = eloc; - epos.bh = - udf_tread(sb, - udf_get_lb_pblock(sb, eloc, 0)); + epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, eloc, 0)); if (elen) - indirect_ext_len = (elen + - sb->s_blocksize - - 1) >> sb-> - s_blocksize_bits; + indirect_ext_len = (elen + sb->s_blocksize -1) >> + sb->s_blocksize_bits; else indirect_ext_len = 1; } else { - extent_trunc(inode, &epos, eloc, etype, elen, - 0); + extent_trunc(inode, &epos, eloc, etype, elen, 0); epos.offset += adsize; } } @@ -292,16 +270,13 @@ void udf_truncate_extents(struct inode *inode) struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) - || UDF_SB_UDFREV(sb) >= 0x0201) + if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || + UDF_SB_UDFREV(sb) >= 0x0201) udf_update_tag(epos.bh->b_data, - lenalloc + - sizeof(struct - allocExtDesc)); + lenalloc + sizeof(struct allocExtDesc)); else udf_update_tag(epos.bh->b_data, - sizeof(struct - allocExtDesc)); + sizeof(struct allocExtDesc)); mark_buffer_dirty_inode(epos.bh, inode); } } @@ -314,21 +289,14 @@ void udf_truncate_extents(struct inode *inode) * no extent above inode->i_size => truncate is * extending the file by 'offset' blocks. */ - if ((!epos.bh - && epos.offset == - udf_file_entry_alloc_offset(inode)) || (epos.bh - && epos. - offset == - sizeof - (struct - allocExtDesc))) - { + 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; + extent.extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; } else { epos.offset -= adsize; etype = udf_next_aext(inode, &epos, @@ -337,10 +305,7 @@ void udf_truncate_extents(struct inode *inode) extent.extLength |= etype << 30; } udf_extend_file(inode, &epos, &extent, - offset + - ((inode-> - i_size & (sb->s_blocksize - 1)) != - 0)); + offset + ((inode->i_size & (sb->s_blocksize - 1)) != 0)); } } UDF_I_LENEXTENTS(inode) = inode->i_size; diff --git a/fs/udf/udf_i.h b/fs/udf/udf_i.h index bee4308a811..d7dbe6f3ba0 100644 --- a/fs/udf/udf_i.h +++ b/fs/udf/udf_i.h @@ -23,4 +23,4 @@ static inline struct udf_inode_info *UDF_I(struct inode *inode) #define UDF_I_LAD(X) ( UDF_I(X)->i_ext.i_lad ) #define UDF_I_DATA(X) ( UDF_I(X)->i_ext.i_data ) -#endif /* !defined(_LINUX_UDF_I_H) */ +#endif /* !defined(_LINUX_UDF_I_H) */ diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h index 60f31d8cebe..3e937d3fb8f 100644 --- a/fs/udf/udf_sb.h +++ b/fs/udf/udf_sb.h @@ -20,8 +20,8 @@ #define UDF_FLAG_VARCONV 8 #define UDF_FLAG_NLS_MAP 9 #define UDF_FLAG_UTF8 10 -#define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */ -#define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */ +#define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */ +#define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */ #define UDF_FLAG_GID_FORGET 13 #define UDF_FLAG_GID_IGNORE 14 @@ -41,8 +41,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) #define UDF_SB_FREE(X)\ {\ - if (UDF_SB(X))\ - {\ + if (UDF_SB(X)) {\ kfree(UDF_SB_PARTMAPS(X));\ UDF_SB_PARTMAPS(X) = NULL;\ }\ @@ -51,13 +50,10 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) #define UDF_SB_ALLOC_PARTMAPS(X,Y)\ {\ UDF_SB_PARTMAPS(X) = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\ - if (UDF_SB_PARTMAPS(X) != NULL)\ - {\ + if (UDF_SB_PARTMAPS(X) != NULL) {\ UDF_SB_NUMPARTS(X) = Y;\ memset(UDF_SB_PARTMAPS(X), 0x00, sizeof(struct udf_part_map) * Y);\ - }\ - else\ - {\ + } else {\ UDF_SB_NUMPARTS(X) = 0;\ udf_error(X, __FUNCTION__, "Unable to allocate space for %d partition maps", Y);\ }\ @@ -72,15 +68,12 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = kmalloc(size, GFP_KERNEL);\ else\ UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = vmalloc(size);\ - if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL)\ - {\ + if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL) {\ memset(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap, 0x00, size);\ UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap =\ (struct buffer_head **)(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap + 1);\ UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\ - }\ - else\ - {\ + } else {\ udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap and %d buffer_head pointers", nr_groups);\ }\ } @@ -90,8 +83,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) int i;\ int nr_groups = UDF_SB_BITMAP_NR_GROUPS(X,Y,Z);\ int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\ - for (i=0; i<nr_groups; i++)\ - {\ + for (i = 0; i < nr_groups; i++) {\ if (UDF_SB_BITMAP(X,Y,Z,i))\ brelse(UDF_SB_BITMAP(X,Y,Z,i));\ }\ @@ -139,4 +131,4 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb) #define UDF_SB_FLAGS(X) ( UDF_SB(X)->s_flags ) #define UDF_SB_VAT(X) ( UDF_SB(X)->s_vat ) -#endif /* __LINUX_UDF_SB_H */ +#endif /* __LINUX_UDF_SB_H */ diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index 76f2b82a39d..c8016cc9e7e 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -63,8 +63,8 @@ struct udf_vds_record { }; struct generic_desc { - tag descTag; - __le32 volDescSeqNum; + tag descTag; + __le32 volDescSeqNum; }; struct ustr { diff --git a/fs/udf/udfend.h b/fs/udf/udfend.h index 450daab35a1..c4bd1203f85 100644 --- a/fs/udf/udfend.h +++ b/fs/udf/udfend.h @@ -7,75 +7,93 @@ static inline kernel_lb_addr lelb_to_cpu(lb_addr in) { kernel_lb_addr out; + out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum); out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum); + return out; } static inline lb_addr cpu_to_lelb(kernel_lb_addr in) { lb_addr out; + out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum); out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum); + return out; } static inline kernel_timestamp lets_to_cpu(timestamp in) { kernel_timestamp out; + memcpy(&out, &in, sizeof(timestamp)); out.typeAndTimezone = le16_to_cpu(in.typeAndTimezone); out.year = le16_to_cpu(in.year); + return out; } static inline short_ad lesa_to_cpu(short_ad in) { short_ad out; + out.extLength = le32_to_cpu(in.extLength); out.extPosition = le32_to_cpu(in.extPosition); + return out; } static inline short_ad cpu_to_lesa(short_ad in) { short_ad out; + out.extLength = cpu_to_le32(in.extLength); out.extPosition = cpu_to_le32(in.extPosition); + return out; } static inline kernel_long_ad lela_to_cpu(long_ad in) { kernel_long_ad out; + out.extLength = le32_to_cpu(in.extLength); out.extLocation = lelb_to_cpu(in.extLocation); + return out; } static inline long_ad cpu_to_lela(kernel_long_ad in) { long_ad out; + out.extLength = cpu_to_le32(in.extLength); out.extLocation = cpu_to_lelb(in.extLocation); + return out; } static inline kernel_extent_ad leea_to_cpu(extent_ad in) { kernel_extent_ad out; + out.extLength = le32_to_cpu(in.extLength); out.extLocation = le32_to_cpu(in.extLocation); + return out; } static inline timestamp cpu_to_lets(kernel_timestamp in) { timestamp out; + memcpy(&out, &in, sizeof(timestamp)); out.typeAndTimezone = cpu_to_le16(in.typeAndTimezone); out.year = cpu_to_le16(in.year); + return out; } -#endif /* __UDF_ENDIAN_H */ +#endif /* __UDF_ENDIAN_H */ diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c index b9f3198080e..3fd80eb66af 100644 --- a/fs/udf/udftime.c +++ b/fs/udf/udftime.c @@ -18,18 +18,18 @@ Boston, MA 02111-1307, USA. */ /* - * dgb 10/02/98: ripped this from glibc source to help convert timestamps to unix time + * dgb 10/02/98: ripped this from glibc source to help convert timestamps to unix time * 10/04/98: added new table-based lookup after seeing how ugly the gnu code is * blf 09/27/99: ripped out all the old code and inserted new table from - * John Brockmeyer (without leap second corrections) - * rewrote udf_stamp_to_time and fixed timezone accounting in - udf_time_to_stamp. + * John Brockmeyer (without leap second corrections) + * rewrote udf_stamp_to_time and fixed timezone accounting in + * udf_time_to_stamp. */ /* * We don't take into account leap seconds. This may be correct or incorrect. * For more NIST information (especially dealing with leap seconds), see: - * http://www.boulder.nist.gov/timefreq/pubs/bulletin/leapsecond.htm + * http://www.boulder.nist.gov/timefreq/pubs/bulletin/leapsecond.htm */ #include <linux/types.h> @@ -54,28 +54,28 @@ static const unsigned short int __mon_yday[2][13] = { }; #define MAX_YEAR_SECONDS 69 -#define SPD 0x15180 /*3600*24 */ -#define SPY(y,l,s) (SPD * (365*y+l)+s) - -static time_t year_seconds[MAX_YEAR_SECONDS] = { -/*1970*/ SPY(0, 0, 0), SPY(1, 0, 0), SPY(2, 0, 0), SPY(3, 1, 0), -/*1974*/ SPY(4, 1, 0), SPY(5, 1, 0), SPY(6, 1, 0), SPY(7, 2, 0), -/*1978*/ SPY(8, 2, 0), SPY(9, 2, 0), SPY(10, 2, 0), SPY(11, 3, 0), -/*1982*/ SPY(12, 3, 0), SPY(13, 3, 0), SPY(14, 3, 0), SPY(15, 4, 0), -/*1986*/ SPY(16, 4, 0), SPY(17, 4, 0), SPY(18, 4, 0), SPY(19, 5, 0), -/*1990*/ SPY(20, 5, 0), SPY(21, 5, 0), SPY(22, 5, 0), SPY(23, 6, 0), -/*1994*/ SPY(24, 6, 0), SPY(25, 6, 0), SPY(26, 6, 0), SPY(27, 7, 0), -/*1998*/ SPY(28, 7, 0), SPY(29, 7, 0), SPY(30, 7, 0), SPY(31, 8, 0), -/*2002*/ SPY(32, 8, 0), SPY(33, 8, 0), SPY(34, 8, 0), SPY(35, 9, 0), -/*2006*/ SPY(36, 9, 0), SPY(37, 9, 0), SPY(38, 9, 0), SPY(39, 10, 0), -/*2010*/ SPY(40, 10, 0), SPY(41, 10, 0), SPY(42, 10, 0), SPY(43, 11, 0), -/*2014*/ SPY(44, 11, 0), SPY(45, 11, 0), SPY(46, 11, 0), SPY(47, 12, 0), -/*2018*/ SPY(48, 12, 0), SPY(49, 12, 0), SPY(50, 12, 0), SPY(51, 13, 0), -/*2022*/ SPY(52, 13, 0), SPY(53, 13, 0), SPY(54, 13, 0), SPY(55, 14, 0), -/*2026*/ SPY(56, 14, 0), SPY(57, 14, 0), SPY(58, 14, 0), SPY(59, 15, 0), -/*2030*/ SPY(60, 15, 0), SPY(61, 15, 0), SPY(62, 15, 0), SPY(63, 16, 0), -/*2034*/ SPY(64, 16, 0), SPY(65, 16, 0), SPY(66, 16, 0), SPY(67, 17, 0), -/*2038*/ SPY(68, 17, 0) +#define SPD 0x15180 /*3600*24 */ +#define SPY(y,l,s) (SPD * (365*y+l)+s) + +static time_t year_seconds[MAX_YEAR_SECONDS]= { +/*1970*/ SPY( 0, 0,0), SPY( 1, 0,0), SPY( 2, 0,0), SPY( 3, 1,0), +/*1974*/ SPY( 4, 1,0), SPY( 5, 1,0), SPY( 6, 1,0), SPY( 7, 2,0), +/*1978*/ SPY( 8, 2,0), SPY( 9, 2,0), SPY(10, 2,0), SPY(11, 3,0), +/*1982*/ SPY(12, 3,0), SPY(13, 3,0), SPY(14, 3,0), SPY(15, 4,0), +/*1986*/ SPY(16, 4,0), SPY(17, 4,0), SPY(18, 4,0), SPY(19, 5,0), +/*1990*/ SPY(20, 5,0), SPY(21, 5,0), SPY(22, 5,0), SPY(23, 6,0), +/*1994*/ SPY(24, 6,0), SPY(25, 6,0), SPY(26, 6,0), SPY(27, 7,0), +/*1998*/ SPY(28, 7,0), SPY(29, 7,0), SPY(30, 7,0), SPY(31, 8,0), +/*2002*/ SPY(32, 8,0), SPY(33, 8,0), SPY(34, 8,0), SPY(35, 9,0), +/*2006*/ SPY(36, 9,0), SPY(37, 9,0), SPY(38, 9,0), SPY(39,10,0), +/*2010*/ SPY(40,10,0), SPY(41,10,0), SPY(42,10,0), SPY(43,11,0), +/*2014*/ SPY(44,11,0), SPY(45,11,0), SPY(46,11,0), SPY(47,12,0), +/*2018*/ SPY(48,12,0), SPY(49,12,0), SPY(50,12,0), SPY(51,13,0), +/*2022*/ SPY(52,13,0), SPY(53,13,0), SPY(54,13,0), SPY(55,14,0), +/*2026*/ SPY(56,14,0), SPY(57,14,0), SPY(58,14,0), SPY(59,15,0), +/*2030*/ SPY(60,15,0), SPY(61,15,0), SPY(62,15,0), SPY(63,16,0), +/*2034*/ SPY(64,16,0), SPY(65,16,0), SPY(66,16,0), SPY(67,17,0), +/*2038*/ SPY(68,17,0) }; extern struct timezone sys_tz; @@ -83,7 +83,7 @@ extern struct timezone sys_tz; #define SECS_PER_HOUR (60 * 60) #define SECS_PER_DAY (SECS_PER_HOUR * 24) -time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src) +time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src) { int yday; uint8_t type = src.typeAndTimezone >> 12; @@ -93,10 +93,11 @@ time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src) offset = src.typeAndTimezone << 4; /* sign extent offset */ offset = (offset >> 4); - if (offset == -2047) /* unspecified offset */ + if (offset == -2047) /* unspecified offset */ offset = 0; - } else + } else { offset = 0; + } if ((src.year < EPOCH_YEAR) || (src.year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) { @@ -107,12 +108,10 @@ time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src) *dest = year_seconds[src.year - EPOCH_YEAR]; *dest -= offset * 60; - yday = ((__mon_yday[__isleap(src.year)] + yday = ((__mon_yday[__isleap (src.year)] [src.month - 1]) + (src.day - 1)); - *dest += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second; - *dest_usec = - src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + - src.microseconds; + *dest += ( ( (yday * 24) + src.hour ) * 60 + src.minute ) * 60 + src.second; + *dest_usec = src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + src.microseconds; return dest; } @@ -145,8 +144,9 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts) long int yg = y + days / 365 - (days % 365 < 0); /* Adjust DAYS and Y to match the guessed year. */ - days -= ((yg - y) * 365 + LEAPS_THRU_END_OF(yg - 1) - - LEAPS_THRU_END_OF(y - 1)); + days -= ((yg - y) * 365 + + LEAPS_THRU_END_OF (yg - 1) + - LEAPS_THRU_END_OF (y - 1)); y = yg; } dest->year = y; @@ -158,11 +158,9 @@ kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts) dest->day = days + 1; dest->centiseconds = ts.tv_nsec / 10000000; - dest->hundredsOfMicroseconds = - (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100; - dest->microseconds = - (ts.tv_nsec / 1000 - dest->centiseconds * 10000 - - dest->hundredsOfMicroseconds * 100); + dest->hundredsOfMicroseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100; + dest->microseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000 - + dest->hundredsOfMicroseconds * 100); return dest; } diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c index 46835240275..9e6099c26c2 100644 --- a/fs/udf/unicode.c +++ b/fs/udf/unicode.c @@ -29,21 +29,23 @@ static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int); -static int udf_char_to_ustr(struct ustr *dest, const uint8_t * src, int strlen) +static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen) { if ((!dest) || (!src) || (!strlen) || (strlen > UDF_NAME_LEN - 2)) return 0; + memset(dest, 0, sizeof(struct ustr)); memcpy(dest->u_name, src, strlen); dest->u_cmpID = 0x08; dest->u_len = strlen; + return strlen; } /* * udf_build_ustr */ -int udf_build_ustr(struct ustr *dest, dstring * ptr, int size) +int udf_build_ustr(struct ustr *dest, dstring *ptr, int size) { int usesize; @@ -55,13 +57,14 @@ int udf_build_ustr(struct ustr *dest, dstring * ptr, int size) dest->u_cmpID = ptr[0]; dest->u_len = ptr[size - 1]; memcpy(dest->u_name, ptr + 1, usesize - 1); + return 0; } /* * udf_build_ustr_exact */ -static int udf_build_ustr_exact(struct ustr *dest, dstring * ptr, int exactsize) +static int udf_build_ustr_exact(struct ustr *dest, dstring *ptr, int exactsize) { if ((!dest) || (!ptr) || (!exactsize)) return -1; @@ -70,6 +73,7 @@ static int udf_build_ustr_exact(struct ustr *dest, dstring * ptr, int exactsize) dest->u_cmpID = ptr[0]; dest->u_len = exactsize - 1; memcpy(dest->u_name, ptr + 1, exactsize - 1); + return 0; } @@ -129,20 +133,15 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i) c = (c << 8) | ocu[i++]; /* Compress Unicode to UTF-8 */ - if (c < 0x80U) - utf_o->u_name[utf_o->u_len++] = (uint8_t) c; - else if (c < 0x800U) { - utf_o->u_name[utf_o->u_len++] = - (uint8_t) (0xc0 | (c >> 6)); - utf_o->u_name[utf_o->u_len++] = - (uint8_t) (0x80 | (c & 0x3f)); + if (c < 0x80U) { + utf_o->u_name[utf_o->u_len++] = (uint8_t)c; + } else if (c < 0x800U) { + utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xc0 | (c >> 6)); + utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f)); } else { - utf_o->u_name[utf_o->u_len++] = - (uint8_t) (0xe0 | (c >> 12)); - utf_o->u_name[utf_o->u_len++] = - (uint8_t) (0x80 | ((c >> 6) & 0x3f)); - utf_o->u_name[utf_o->u_len++] = - (uint8_t) (0x80 | (c & 0x3f)); + utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xe0 | (c >> 12)); + utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | ((c >> 6) & 0x3f)); + utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f)); } } utf_o->u_cmpID = 8; @@ -173,7 +172,7 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i) * November 12, 1997 - Andrew E. Mileski * Written, tested, and released. */ -static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length) +static int udf_UTF8toCS0(dstring *ocu, struct ustr *utf, int length) { unsigned c, i, max_val, utf_char; int utf_cnt, u_len; @@ -182,12 +181,12 @@ static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length) ocu[0] = 8; max_val = 0xffU; - try_again: +try_again: u_len = 0U; utf_char = 0U; utf_cnt = 0U; for (i = 0U; i < utf->u_len; i++) { - c = (uint8_t) utf->u_name[i]; + c = (uint8_t)utf->u_name[i]; /* Complete a multi-byte UTF-8 character */ if (utf_cnt) { @@ -213,37 +212,40 @@ static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length) } else if ((c & 0xfeU) == 0xfcU) { utf_char = c & 0x01U; utf_cnt = 5; - } else + } else { goto error_out; + } continue; - } else + } else { /* Single byte UTF-8 character (most common) */ utf_char = c; + } } /* Choose no compression if necessary */ if (utf_char > max_val) { - if (0xffU == max_val) { + if (max_val == 0xffU) { max_val = 0xffffU; - ocu[0] = (uint8_t) 0x10U; + ocu[0] = (uint8_t)0x10U; goto try_again; } goto error_out; } if (max_val == 0xffffU) { - ocu[++u_len] = (uint8_t) (utf_char >> 8); + ocu[++u_len] = (uint8_t)(utf_char >> 8); } - ocu[++u_len] = (uint8_t) (utf_char & 0xffU); + ocu[++u_len] = (uint8_t)(utf_char & 0xffU); } if (utf_cnt) { - error_out: +error_out: ocu[++u_len] = '?'; printk(KERN_DEBUG "udf: bad UTF-8 character\n"); } - ocu[length - 1] = (uint8_t) u_len + 1; + ocu[length - 1] = (uint8_t)u_len + 1; + return u_len + 1; } @@ -288,7 +290,7 @@ static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o, return utf_o->u_len; } -static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni, +static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni, int length) { unsigned len, i, max_val; @@ -299,7 +301,7 @@ static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni, ocu[0] = 8; max_val = 0xffU; - try_again: +try_again: u_len = 0U; for (i = 0U; i < uni->u_len; i++) { len = nls->char2uni(&uni->u_name[i], uni->u_len - i, &uni_char); @@ -308,21 +310,21 @@ static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni, if (uni_char > max_val) { max_val = 0xffffU; - ocu[0] = (uint8_t) 0x10U; + ocu[0] = (uint8_t)0x10U; goto try_again; } if (max_val == 0xffffU) - ocu[++u_len] = (uint8_t) (uni_char >> 8); - ocu[++u_len] = (uint8_t) (uni_char & 0xffU); + ocu[++u_len] = (uint8_t)(uni_char >> 8); + ocu[++u_len] = (uint8_t)(uni_char & 0xffU); i += len - 1; } - ocu[length - 1] = (uint8_t) u_len + 1; + ocu[length - 1] = (uint8_t)u_len + 1; return u_len + 1; } -int udf_get_filename(struct super_block *sb, uint8_t * sname, uint8_t * dname, +int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname, int flen) { struct ustr filename, unifilename; @@ -334,30 +336,29 @@ int udf_get_filename(struct super_block *sb, uint8_t * sname, uint8_t * dname, if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) { if (!udf_CS0toUTF8(&filename, &unifilename)) { - udf_debug("Failed in udf_get_filename: sname = %s\n", - sname); + udf_debug("Failed in udf_get_filename: sname = %s\n", sname); return 0; } } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) { - if (!udf_CS0toNLS - (UDF_SB(sb)->s_nls_map, &filename, &unifilename)) { - udf_debug("Failed in udf_get_filename: sname = %s\n", - sname); + if (!udf_CS0toNLS(UDF_SB(sb)->s_nls_map, &filename, &unifilename)) { + udf_debug("Failed in udf_get_filename: sname = %s\n", sname); return 0; } - } else + } else { return 0; + } - if ((len = - udf_translate_to_linux(dname, filename.u_name, filename.u_len, - unifilename.u_name, unifilename.u_len))) { + len = udf_translate_to_linux(dname, filename.u_name, filename.u_len, + unifilename.u_name, unifilename.u_len); + if (len) { return len; } + return 0; } -int udf_put_filename(struct super_block *sb, const uint8_t * sname, - uint8_t * dname, int flen) +int udf_put_filename(struct super_block *sb, const uint8_t *sname, + uint8_t *dname, int flen) { struct ustr unifilename; int namelen; @@ -367,31 +368,29 @@ int udf_put_filename(struct super_block *sb, const uint8_t * sname, } if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) { - if (! - (namelen = - udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN))) { + namelen = udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN); + if (!namelen) { return 0; } } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) { - if (! - (namelen = - udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, - UDF_NAME_LEN))) { + namelen = udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, UDF_NAME_LEN); + if (!namelen) { return 0; } - } else + } else { return 0; + } return namelen; } #define ILLEGAL_CHAR_MARK '_' -#define EXT_MARK '.' -#define CRC_MARK '#' -#define EXT_SIZE 5 +#define EXT_MARK '.' +#define CRC_MARK '#' +#define EXT_SIZE 5 -static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, - int udfLen, uint8_t * fidName, int fidNameLen) +static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen, + uint8_t *fidName, int fidNameLen) { int index, newIndex = 0, needsCRC = 0; int extIndex = 0, newExtIndex = 0, hasExt = 0; @@ -399,8 +398,8 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, uint8_t curr; const uint8_t hexChar[] = "0123456789ABCDEF"; - if (udfName[0] == '.' && (udfLen == 1 || - (udfLen == 2 && udfName[1] == '.'))) { + if (udfName[0] == '.' && + (udfLen == 1 || (udfLen == 2 && udfName[1] == '.'))) { needsCRC = 1; newIndex = udfLen; memcpy(newName, udfName, udfLen); @@ -410,16 +409,13 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, if (curr == '/' || curr == 0) { needsCRC = 1; curr = ILLEGAL_CHAR_MARK; - while (index + 1 < udfLen - && (udfName[index + 1] == '/' - || udfName[index + 1] == 0)) + while (index + 1 < udfLen && (udfName[index + 1] == '/' || + udfName[index + 1] == 0)) index++; - } - if (curr == EXT_MARK - && (udfLen - index - 1) <= EXT_SIZE) { - if (udfLen == index + 1) + } if (curr == EXT_MARK && (udfLen - index - 1) <= EXT_SIZE) { + if (udfLen == index + 1) { hasExt = 0; - else { + } else { hasExt = 1; extIndex = index; newExtIndex = newIndex; @@ -437,23 +433,16 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, if (hasExt) { int maxFilenameLen; - for (index = 0; - index < EXT_SIZE && extIndex + index + 1 < udfLen; - index++) { + for(index = 0; index < EXT_SIZE && extIndex + index + 1 < udfLen; index++) { curr = udfName[extIndex + index + 1]; if (curr == '/' || curr == 0) { needsCRC = 1; curr = ILLEGAL_CHAR_MARK; - while (extIndex + index + 2 < udfLen - && (index + 1 < EXT_SIZE - && - (udfName - [extIndex + index + 2] == - '/' - || udfName[extIndex + - index + 2] == - 0))) + while(extIndex + index + 2 < udfLen && + (index + 1 < EXT_SIZE + && (udfName[extIndex + index + 2] == '/' || + udfName[extIndex + index + 2] == 0))) index++; } ext[localExtIndex++] = curr; @@ -463,8 +452,9 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, newIndex = maxFilenameLen; else newIndex = newExtIndex; - } else if (newIndex > 250) + } else if (newIndex > 250) { newIndex = 250; + } newName[newIndex++] = CRC_MARK; valueCRC = udf_crc(fidName, fidNameLen, 0); newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12]; @@ -478,5 +468,6 @@ static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, newName[newIndex++] = ext[index]; } } + return newIndex; } diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h index 8948a646183..45662f6dbdb 100644 --- a/include/acpi/acmacros.h +++ b/include/acpi/acmacros.h @@ -486,6 +486,8 @@ #define ACPI_FUNCTION_NAME(name) #endif +#ifdef DEBUG_FUNC_TRACE + #define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \ acpi_ut_trace(ACPI_DEBUG_PARAMETERS) #define ACPI_FUNCTION_TRACE_PTR(a,b) ACPI_FUNCTION_NAME(a) \ @@ -563,6 +565,27 @@ #endif /* ACPI_SIMPLE_RETURN_MACROS */ +#else /* !DEBUG_FUNC_TRACE */ + +#define ACPI_FUNCTION_TRACE(a) +#define ACPI_FUNCTION_TRACE_PTR(a,b) +#define ACPI_FUNCTION_TRACE_U32(a,b) +#define ACPI_FUNCTION_TRACE_STR(a,b) +#define ACPI_FUNCTION_EXIT +#define ACPI_FUNCTION_STATUS_EXIT(s) +#define ACPI_FUNCTION_VALUE_EXIT(s) +#define ACPI_FUNCTION_TRACE(a) +#define ACPI_FUNCTION_ENTRY() + +#define return_VOID return +#define return_ACPI_STATUS(s) return(s) +#define return_VALUE(s) return(s) +#define return_UINT8(s) return(s) +#define return_UINT32(s) return(s) +#define return_PTR(s) return(s) + +#endif /* DEBUG_FUNC_TRACE */ + /* Conditional execution */ #define ACPI_DEBUG_EXEC(a) a @@ -599,26 +622,26 @@ #define ACPI_DEBUG_EXEC(a) #define ACPI_NORMAL_EXEC(a) a; -#define ACPI_DEBUG_DEFINE(a) -#define ACPI_DEBUG_ONLY_MEMBERS(a) -#define ACPI_FUNCTION_NAME(a) -#define ACPI_FUNCTION_TRACE(a) -#define ACPI_FUNCTION_TRACE_PTR(a,b) -#define ACPI_FUNCTION_TRACE_U32(a,b) -#define ACPI_FUNCTION_TRACE_STR(a,b) -#define ACPI_FUNCTION_EXIT -#define ACPI_FUNCTION_STATUS_EXIT(s) -#define ACPI_FUNCTION_VALUE_EXIT(s) -#define ACPI_FUNCTION_ENTRY() -#define ACPI_DUMP_STACK_ENTRY(a) -#define ACPI_DUMP_OPERANDS(a,b,c,d,e) -#define ACPI_DUMP_ENTRY(a,b) -#define ACPI_DUMP_TABLES(a,b) -#define ACPI_DUMP_PATHNAME(a,b,c,d) -#define ACPI_DUMP_RESOURCE_LIST(a) -#define ACPI_DUMP_BUFFER(a,b) -#define ACPI_DEBUG_PRINT(pl) -#define ACPI_DEBUG_PRINT_RAW(pl) +#define ACPI_DEBUG_DEFINE(a) do { } while(0) +#define ACPI_DEBUG_ONLY_MEMBERS(a) do { } while(0) +#define ACPI_FUNCTION_NAME(a) do { } while(0) +#define ACPI_FUNCTION_TRACE(a) do { } while(0) +#define ACPI_FUNCTION_TRACE_PTR(a,b) do { } while(0) +#define ACPI_FUNCTION_TRACE_U32(a,b) do { } while(0) +#define ACPI_FUNCTION_TRACE_STR(a,b) do { } while(0) +#define ACPI_FUNCTION_EXIT do { } while(0) +#define ACPI_FUNCTION_STATUS_EXIT(s) do { } while(0) +#define ACPI_FUNCTION_VALUE_EXIT(s) do { } while(0) +#define ACPI_FUNCTION_ENTRY() do { } while(0) +#define ACPI_DUMP_STACK_ENTRY(a) do { } while(0) +#define ACPI_DUMP_OPERANDS(a,b,c,d,e) do { } while(0) +#define ACPI_DUMP_ENTRY(a,b) do { } while(0) +#define ACPI_DUMP_TABLES(a,b) do { } while(0) +#define ACPI_DUMP_PATHNAME(a,b,c,d) do { } while(0) +#define ACPI_DUMP_RESOURCE_LIST(a) do { } while(0) +#define ACPI_DUMP_BUFFER(a,b) do { } while(0) +#define ACPI_DEBUG_PRINT(pl) do { } while(0) +#define ACPI_DEBUG_PRINT_RAW(pl) do { } while(0) #define return_VOID return #define return_ACPI_STATUS(s) return(s) diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h index 7812267b577..c090a8b0bc9 100644 --- a/include/acpi/acoutput.h +++ b/include/acpi/acoutput.h @@ -178,8 +178,8 @@ /* Defaults for debug_level, debug and normal */ -#define ACPI_DEBUG_DEFAULT (ACPI_LV_INIT | ACPI_LV_WARN | ACPI_LV_ERROR | ACPI_LV_DEBUG_OBJECT) -#define ACPI_NORMAL_DEFAULT (ACPI_LV_INIT | ACPI_LV_WARN | ACPI_LV_ERROR | ACPI_LV_DEBUG_OBJECT) +#define ACPI_DEBUG_DEFAULT (ACPI_LV_INIT | ACPI_LV_WARN | ACPI_LV_ERROR) +#define ACPI_NORMAL_DEFAULT (ACPI_LV_INIT | ACPI_LV_WARN | ACPI_LV_ERROR) #define ACPI_DEBUG_ALL (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL) #endif /* __ACOUTPUT_H__ */ diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index c6fa5e023bc..5e3dcf3299b 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -321,7 +321,8 @@ struct acpi_bus_event { }; extern struct kset acpi_subsys; - +extern int acpi_bus_generate_genetlink_event(struct acpi_device *device, + u8 type, int data); /* * External Functions */ diff --git a/include/acpi/acpi_numa.h b/include/acpi/acpi_numa.h index e2fcee2b340..62c5ee4311d 100644 --- a/include/acpi/acpi_numa.h +++ b/include/acpi/acpi_numa.h @@ -13,6 +13,7 @@ extern int pxm_to_node(int); extern int node_to_pxm(int); +extern void __acpi_map_pxm_to_node(int, int); extern int acpi_map_pxm_to_node(int); extern void __cpuinit acpi_unmap_pxm_to_node(int); diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h index dab2ec59a3b..c785485e62a 100644 --- a/include/acpi/platform/acenv.h +++ b/include/acpi/platform/acenv.h @@ -136,7 +136,7 @@ /*! [Begin] no source code translation */ -#if defined(__linux__) +#if defined(_LINUX) || defined(__linux__) #include "aclinux.h" #elif defined(_AED_EFI) diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index a568717f98c..6ed15a0978e 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -91,7 +91,10 @@ #define ACPI_USE_NATIVE_DIVIDE #endif +#ifndef __cdecl #define __cdecl +#endif + #define ACPI_FLUSH_CPU_CACHE() #endif /* __KERNEL__ */ diff --git a/include/acpi/processor.h b/include/acpi/processor.h index b4b0ffdab09..f9f987f8e66 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -21,6 +21,8 @@ #define ACPI_PSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */ #define ACPI_PSD_REV0_ENTRIES 5 +#define ACPI_TSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */ +#define ACPI_TSD_REV0_ENTRIES 5 /* * Types of coordination defined in ACPI 3.0. Same macros can be used across * P, C and T states @@ -125,17 +127,53 @@ struct acpi_processor_performance { /* Throttling Control */ +struct acpi_tsd_package { + acpi_integer num_entries; + acpi_integer revision; + acpi_integer domain; + acpi_integer coord_type; + acpi_integer num_processors; +} __attribute__ ((packed)); + +struct acpi_ptc_register { + u8 descriptor; + u16 length; + u8 space_id; + u8 bit_width; + u8 bit_offset; + u8 reserved; + u64 address; +} __attribute__ ((packed)); + +struct acpi_processor_tx_tss { + acpi_integer freqpercentage; /* */ + acpi_integer power; /* milliWatts */ + acpi_integer transition_latency; /* microseconds */ + acpi_integer control; /* control value */ + acpi_integer status; /* success indicator */ +}; struct acpi_processor_tx { u16 power; u16 performance; }; +struct acpi_processor; struct acpi_processor_throttling { - int state; + unsigned int state; + unsigned int platform_limit; + struct acpi_pct_register control_register; + struct acpi_pct_register status_register; + unsigned int state_count; + struct acpi_processor_tx_tss *states_tss; + struct acpi_tsd_package domain_info; + cpumask_t shared_cpu_map; + int (*acpi_processor_get_throttling) (struct acpi_processor * pr); + int (*acpi_processor_set_throttling) (struct acpi_processor * pr, + int state); + u32 address; u8 duty_offset; u8 duty_width; - int state_count; struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING]; }; @@ -169,6 +207,9 @@ struct acpi_processor { u32 id; u32 pblk; int performance_platform_limit; + int throttling_platform_limit; + /* 0 - states 0..n-th state available */ + struct acpi_processor_flags flags; struct acpi_processor_power power; struct acpi_processor_performance *performance; @@ -270,7 +311,7 @@ static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr) /* in processor_throttling.c */ int acpi_processor_get_throttling_info(struct acpi_processor *pr); -int acpi_processor_set_throttling(struct acpi_processor *pr, int state); +extern int acpi_processor_set_throttling(struct acpi_processor *pr, int state); extern struct file_operations acpi_processor_throttling_fops; /* in processor_idle.c */ diff --git a/include/asm-i386/alternative.h b/include/asm-i386/alternative.h index eb7da5402bf..bda6c810c0f 100644 --- a/include/asm-i386/alternative.h +++ b/include/asm-i386/alternative.h @@ -149,4 +149,6 @@ apply_paravirt(struct paravirt_patch_site *start, #define __parainstructions_end NULL #endif +extern void text_poke(void *addr, unsigned char *opcode, int len); + #endif /* _I386_ALTERNATIVE_H */ diff --git a/include/asm-i386/cmpxchg.h b/include/asm-i386/cmpxchg.h index 64dcdf46117..f86ede28f6d 100644 --- a/include/asm-i386/cmpxchg.h +++ b/include/asm-i386/cmpxchg.h @@ -34,7 +34,7 @@ static inline void __set_64bit (unsigned long long * ptr, "\n1:\t" "movl (%0), %%eax\n\t" "movl 4(%0), %%edx\n\t" - "lock cmpxchg8b (%0)\n\t" + LOCK_PREFIX "cmpxchg8b (%0)\n\t" "jnz 1b" : /* no outputs */ : "D"(ptr), diff --git a/include/asm-i386/e820.h b/include/asm-i386/e820.h index c03290ccecb..43114c82460 100644 --- a/include/asm-i386/e820.h +++ b/include/asm-i386/e820.h @@ -47,6 +47,14 @@ extern void e820_register_memory(void); extern void limit_regions(unsigned long long size); extern void print_memory_map(char *who); +#if defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND) +extern void e820_mark_nosave_regions(void); +#else +static inline void e820_mark_nosave_regions(void) +{ +} +#endif + #endif/*!__ASSEMBLY__*/ #endif/*__E820_HEADER*/ diff --git a/include/asm-i386/geode.h b/include/asm-i386/geode.h new file mode 100644 index 00000000000..6da4bbbea3d --- /dev/null +++ b/include/asm-i386/geode.h @@ -0,0 +1,159 @@ +/* + * AMD Geode definitions + * Copyright (C) 2006, Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public License + * as published by the Free Software Foundation. + */ + +#ifndef _ASM_GEODE_H_ +#define _ASM_GEODE_H_ + +#include <asm/processor.h> +#include <linux/io.h> + +/* Generic southbridge functions */ + +#define GEODE_DEV_PMS 0 +#define GEODE_DEV_ACPI 1 +#define GEODE_DEV_GPIO 2 +#define GEODE_DEV_MFGPT 3 + +extern int geode_get_dev_base(unsigned int dev); + +/* Useful macros */ +#define geode_pms_base() geode_get_dev_base(GEODE_DEV_PMS) +#define geode_acpi_base() geode_get_dev_base(GEODE_DEV_ACPI) +#define geode_gpio_base() geode_get_dev_base(GEODE_DEV_GPIO) +#define geode_mfgpt_base() geode_get_dev_base(GEODE_DEV_MFGPT) + +/* MSRS */ + +#define GX_GLCP_SYS_RSTPLL 0x4C000014 + +#define MSR_LBAR_SMB 0x5140000B +#define MSR_LBAR_GPIO 0x5140000C +#define MSR_LBAR_MFGPT 0x5140000D +#define MSR_LBAR_ACPI 0x5140000E +#define MSR_LBAR_PMS 0x5140000F + +#define MSR_PIC_YSEL_LOW 0x51400020 +#define MSR_PIC_YSEL_HIGH 0x51400021 +#define MSR_PIC_ZSEL_LOW 0x51400022 +#define MSR_PIC_ZSEL_HIGH 0x51400023 + +#define MFGPT_IRQ_MSR 0x51400028 +#define MFGPT_NR_MSR 0x51400029 + +/* Resource Sizes */ + +#define LBAR_GPIO_SIZE 0xFF +#define LBAR_MFGPT_SIZE 0x40 +#define LBAR_ACPI_SIZE 0x40 +#define LBAR_PMS_SIZE 0x80 + +/* ACPI registers (PMS block) */ + +/* + * PM1_EN is only valid when VSA is enabled for 16 bit reads. + * When VSA is not enabled, *always* read both PM1_STS and PM1_EN + * with a 32 bit read at offset 0x0 + */ + +#define PM1_STS 0x00 +#define PM1_EN 0x02 +#define PM1_CNT 0x08 +#define PM2_CNT 0x0C +#define PM_TMR 0x10 +#define PM_GPE0_STS 0x18 +#define PM_GPE0_EN 0x1C + +/* PMC registers (PMS block) */ + +#define PM_SSD 0x00 +#define PM_SCXA 0x04 +#define PM_SCYA 0x08 +#define PM_OUT_SLPCTL 0x0C +#define PM_SCLK 0x10 +#define PM_SED 0x1 +#define PM_SCXD 0x18 +#define PM_SCYD 0x1C +#define PM_IN_SLPCTL 0x20 +#define PM_WKD 0x30 +#define PM_WKXD 0x34 +#define PM_RD 0x38 +#define PM_WKXA 0x3C +#define PM_FSD 0x40 +#define PM_TSD 0x44 +#define PM_PSD 0x48 +#define PM_NWKD 0x4C +#define PM_AWKD 0x50 +#define PM_SSC 0x54 + +/* GPIO */ + +#define GPIO_OUTPUT_VAL 0x00 +#define GPIO_OUTPUT_ENABLE 0x04 +#define GPIO_OUTPUT_OPEN_DRAIN 0x08 +#define GPIO_OUTPUT_INVERT 0x0C +#define GPIO_OUTPUT_AUX1 0x10 +#define GPIO_OUTPUT_AUX2 0x14 +#define GPIO_PULL_UP 0x18 +#define GPIO_PULL_DOWN 0x1C +#define GPIO_INPUT_ENABLE 0x20 +#define GPIO_INPUT_INVERT 0x24 +#define GPIO_INPUT_FILTER 0x28 +#define GPIO_INPUT_EVENT_COUNT 0x2C +#define GPIO_READ_BACK 0x30 +#define GPIO_INPUT_AUX1 0x34 +#define GPIO_EVENTS_ENABLE 0x38 +#define GPIO_LOCK_ENABLE 0x3C +#define GPIO_POSITIVE_EDGE_EN 0x40 +#define GPIO_NEGATIVE_EDGE_EN 0x44 +#define GPIO_POSITIVE_EDGE_STS 0x48 +#define GPIO_NEGATIVE_EDGE_STS 0x4C + +#define GPIO_MAP_X 0xE0 +#define GPIO_MAP_Y 0xE4 +#define GPIO_MAP_Z 0xE8 +#define GPIO_MAP_W 0xEC + +extern void geode_gpio_set(unsigned int, unsigned int); +extern void geode_gpio_clear(unsigned int, unsigned int); +extern int geode_gpio_isset(unsigned int, unsigned int); +extern void geode_gpio_setup_event(unsigned int, int, int); +extern void geode_gpio_set_irq(unsigned int, unsigned int); + +static inline void geode_gpio_event_irq(unsigned int gpio, int pair) +{ + geode_gpio_setup_event(gpio, pair, 0); +} + +static inline void geode_gpio_event_pme(unsigned int gpio, int pair) +{ + geode_gpio_setup_event(gpio, pair, 1); +} + +/* Specific geode tests */ + +static inline int is_geode_gx(void) +{ + return ((boot_cpu_data.x86_vendor == X86_VENDOR_NSC) && + (boot_cpu_data.x86 == 5) && + (boot_cpu_data.x86_model == 5)); +} + +static inline int is_geode_lx(void) +{ + return ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && + (boot_cpu_data.x86 == 5) && + (boot_cpu_data.x86_model == 10)); +} + +static inline int is_geode(void) +{ + return (is_geode_gx() || is_geode_lx()); +} + +#endif diff --git a/include/asm-i386/hpet.h b/include/asm-i386/hpet.h index dddeedf504b..c82dc7ed96b 100644 --- a/include/asm-i386/hpet.h +++ b/include/asm-i386/hpet.h @@ -4,112 +4,82 @@ #ifdef CONFIG_HPET_TIMER -#include <linux/errno.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/time.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/smp.h> - -#include <asm/io.h> -#include <asm/smp.h> -#include <asm/irq.h> -#include <asm/msr.h> -#include <asm/delay.h> -#include <asm/mpspec.h> -#include <asm/uaccess.h> -#include <asm/processor.h> - -#include <linux/timex.h> - /* * Documentation on HPET can be found at: * http://www.intel.com/ial/home/sp/pcmmspec.htm * ftp://download.intel.com/ial/home/sp/mmts098.pdf */ -#define HPET_MMAP_SIZE 1024 - -#define HPET_ID 0x000 -#define HPET_PERIOD 0x004 -#define HPET_CFG 0x010 -#define HPET_STATUS 0x020 -#define HPET_COUNTER 0x0f0 -#define HPET_T0_CFG 0x100 -#define HPET_T0_CMP 0x108 -#define HPET_T0_ROUTE 0x110 -#define HPET_T1_CFG 0x120 -#define HPET_T1_CMP 0x128 -#define HPET_T1_ROUTE 0x130 -#define HPET_T2_CFG 0x140 -#define HPET_T2_CMP 0x148 -#define HPET_T2_ROUTE 0x150 - -#define HPET_ID_LEGSUP 0x00008000 -#define HPET_ID_NUMBER 0x00001f00 -#define HPET_ID_REV 0x000000ff +#define HPET_MMAP_SIZE 1024 + +#define HPET_ID 0x000 +#define HPET_PERIOD 0x004 +#define HPET_CFG 0x010 +#define HPET_STATUS 0x020 +#define HPET_COUNTER 0x0f0 +#define HPET_T0_CFG 0x100 +#define HPET_T0_CMP 0x108 +#define HPET_T0_ROUTE 0x110 +#define HPET_T1_CFG 0x120 +#define HPET_T1_CMP 0x128 +#define HPET_T1_ROUTE 0x130 +#define HPET_T2_CFG 0x140 +#define HPET_T2_CMP 0x148 +#define HPET_T2_ROUTE 0x150 + +#define HPET_ID_REV 0x000000ff +#define HPET_ID_NUMBER 0x00001f00 +#define HPET_ID_64BIT 0x00002000 +#define HPET_ID_LEGSUP 0x00008000 +#define HPET_ID_VENDOR 0xffff0000 #define HPET_ID_NUMBER_SHIFT 8 +#define HPET_ID_VENDOR_SHIFT 16 -#define HPET_CFG_ENABLE 0x001 -#define HPET_CFG_LEGACY 0x002 +#define HPET_ID_VENDOR_8086 0x8086 + +#define HPET_CFG_ENABLE 0x001 +#define HPET_CFG_LEGACY 0x002 #define HPET_LEGACY_8254 2 #define HPET_LEGACY_RTC 8 -#define HPET_TN_ENABLE 0x004 -#define HPET_TN_PERIODIC 0x008 -#define HPET_TN_PERIODIC_CAP 0x010 -#define HPET_TN_SETVAL 0x040 -#define HPET_TN_32BIT 0x100 - -/* Use our own asm for 64 bit multiply/divide */ -#define ASM_MUL64_REG(eax_out,edx_out,reg_in,eax_in) \ - __asm__ __volatile__("mull %2" \ - :"=a" (eax_out), "=d" (edx_out) \ - :"r" (reg_in), "0" (eax_in)) +#define HPET_TN_LEVEL 0x0002 +#define HPET_TN_ENABLE 0x0004 +#define HPET_TN_PERIODIC 0x0008 +#define HPET_TN_PERIODIC_CAP 0x0010 +#define HPET_TN_64BIT_CAP 0x0020 +#define HPET_TN_SETVAL 0x0040 +#define HPET_TN_32BIT 0x0100 +#define HPET_TN_ROUTE 0x3e00 +#define HPET_TN_FSB 0x4000 +#define HPET_TN_FSB_CAP 0x8000 +#define HPET_TN_ROUTE_SHIFT 9 -#define ASM_DIV64_REG(eax_out,edx_out,reg_in,eax_in,edx_in) \ - __asm__ __volatile__("divl %2" \ - :"=a" (eax_out), "=d" (edx_out) \ - :"r" (reg_in), "0" (eax_in), "1" (edx_in)) - -#define KERNEL_TICK_USEC (1000000UL/HZ) /* tick value in microsec */ /* Max HPET Period is 10^8 femto sec as in HPET spec */ -#define HPET_MAX_PERIOD (100000000UL) +#define HPET_MAX_PERIOD 100000000UL /* * Min HPET period is 10^5 femto sec just for safety. If it is less than this, * then 32 bit HPET counter wrapsaround in less than 0.5 sec. */ -#define HPET_MIN_PERIOD (100000UL) -#define HPET_TICK_RATE (HZ * 100000UL) +#define HPET_MIN_PERIOD 100000UL -extern unsigned long hpet_address; /* hpet memory map physical address */ +/* hpet memory map physical address */ +extern unsigned long hpet_address; extern int is_hpet_enabled(void); - -#ifdef CONFIG_X86_64 -extern unsigned long hpet_tick; /* hpet clks count per tick */ -extern int hpet_use_timer; -extern int hpet_rtc_timer_init(void); extern int hpet_enable(void); -extern int is_hpet_capable(void); -extern int hpet_readl(unsigned long a); -#else -extern int hpet_enable(void); -#endif #ifdef CONFIG_HPET_EMULATE_RTC + +#include <linux/interrupt.h> + extern int hpet_mask_rtc_irq_bit(unsigned long bit_mask); extern int hpet_set_rtc_irq_bit(unsigned long bit_mask); -extern int hpet_set_alarm_time(unsigned char hrs, unsigned char min, unsigned char sec); +extern int hpet_set_alarm_time(unsigned char hrs, unsigned char min, + unsigned char sec); extern int hpet_set_periodic_freq(unsigned long freq); extern int hpet_rtc_dropped_irq(void); extern int hpet_rtc_timer_init(void); extern irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id); + #endif /* CONFIG_HPET_EMULATE_RTC */ #else diff --git a/include/asm-i386/i8253.h b/include/asm-i386/i8253.h index 6cb0dd4dcdd..7577d058d86 100644 --- a/include/asm-i386/i8253.h +++ b/include/asm-i386/i8253.h @@ -3,19 +3,15 @@ #include <linux/clockchips.h> +/* i8253A PIT registers */ +#define PIT_MODE 0x43 +#define PIT_CH0 0x40 +#define PIT_CH2 0x42 + extern spinlock_t i8253_lock; extern struct clock_event_device *global_clock_event; -/** - * pit_interrupt_hook - hook into timer tick - * @regs: standard registers from interrupt - * - * Call the global clock event handler. - **/ -static inline void pit_interrupt_hook(void) -{ - global_clock_event->event_handler(global_clock_event); -} +extern void setup_pit_timer(void); #endif /* __ASM_I8253_H__ */ diff --git a/include/asm-i386/mach-default/do_timer.h b/include/asm-i386/mach-default/do_timer.h index 56e5689863a..23ecda0b28a 100644 --- a/include/asm-i386/mach-default/do_timer.h +++ b/include/asm-i386/mach-default/do_timer.h @@ -12,5 +12,5 @@ static inline void do_timer_interrupt_hook(void) { - pit_interrupt_hook(); + global_clock_event->event_handler(global_clock_event); } diff --git a/include/asm-i386/mach-default/io_ports.h b/include/asm-i386/mach-default/io_ports.h index a96d9f6604e..48540ba9716 100644 --- a/include/asm-i386/mach-default/io_ports.h +++ b/include/asm-i386/mach-default/io_ports.h @@ -7,11 +7,6 @@ #ifndef _MACH_IO_PORTS_H #define _MACH_IO_PORTS_H -/* i8253A PIT registers */ -#define PIT_MODE 0x43 -#define PIT_CH0 0x40 -#define PIT_CH2 0x42 - /* i8259A PIC registers */ #define PIC_MASTER_CMD 0x20 #define PIC_MASTER_IMR 0x21 diff --git a/include/asm-i386/mach-default/mach_reboot.h b/include/asm-i386/mach-default/mach_reboot.h index a955e57ad01..e23fd9fbebb 100644 --- a/include/asm-i386/mach-default/mach_reboot.h +++ b/include/asm-i386/mach-default/mach_reboot.h @@ -19,14 +19,37 @@ static inline void kb_wait(void) static inline void mach_reboot(void) { int i; + + /* old method, works on most machines */ for (i = 0; i < 10; i++) { kb_wait(); udelay(50); + outb(0xfe, 0x64); /* pulse reset low */ + udelay(50); + } + + /* New method: sets the "System flag" which, when set, indicates + * successful completion of the keyboard controller self-test (Basic + * Assurance Test, BAT). This is needed for some machines with no + * keyboard plugged in. This read-modify-write sequence sets only the + * system flag + */ + for (i = 0; i < 10; i++) { + int cmd; + + outb(0x20, 0x64); /* read Controller Command Byte */ + udelay(50); + kb_wait(); + udelay(50); + cmd = inb(0x60); + udelay(50); + kb_wait(); + udelay(50); outb(0x60, 0x64); /* write Controller Command Byte */ udelay(50); kb_wait(); udelay(50); - outb(0x14, 0x60); /* set "System flag" */ + outb(cmd | 0x04, 0x60); /* set "System flag" */ udelay(50); kb_wait(); udelay(50); diff --git a/include/asm-i386/mach-voyager/do_timer.h b/include/asm-i386/mach-voyager/do_timer.h index 60f9dcc15d5..bc2b5892630 100644 --- a/include/asm-i386/mach-voyager/do_timer.h +++ b/include/asm-i386/mach-voyager/do_timer.h @@ -12,7 +12,7 @@ **/ static inline void do_timer_interrupt_hook(void) { - pit_interrupt_hook(); + global_clock_event->event_handler(global_clock_event); voyager_timer_interrupt(); } diff --git a/include/asm-i386/mc146818rtc.h b/include/asm-i386/mc146818rtc.h index 99a89004702..1613b42eaf5 100644 --- a/include/asm-i386/mc146818rtc.h +++ b/include/asm-i386/mc146818rtc.h @@ -6,6 +6,7 @@ #include <asm/io.h> #include <asm/system.h> +#include <asm/processor.h> #include <linux/mc146818rtc.h> #ifndef RTC_PORT @@ -43,8 +44,10 @@ static inline void lock_cmos(unsigned char reg) unsigned long new; new = ((smp_processor_id()+1) << 8) | reg; for (;;) { - if (cmos_lock) + if (cmos_lock) { + cpu_relax(); continue; + } if (__cmpxchg(&cmos_lock, 0, new, sizeof(cmos_lock)) == 0) return; } diff --git a/include/asm-i386/mce.h b/include/asm-i386/mce.h index b0a02ee34ff..d56d89742e8 100644 --- a/include/asm-i386/mce.h +++ b/include/asm-i386/mce.h @@ -5,3 +5,7 @@ extern void mcheck_init(struct cpuinfo_x86 *c); #endif extern int mce_disabled; + +extern void stop_mce(void); +extern void restart_mce(void); + diff --git a/include/asm-i386/nmi.h b/include/asm-i386/nmi.h index fb1e133efd9..ff30c98f87b 100644 --- a/include/asm-i386/nmi.h +++ b/include/asm-i386/nmi.h @@ -57,5 +57,7 @@ unsigned lapic_adjust_nmi_hz(unsigned hz); int lapic_watchdog_ok(void); void disable_lapic_nmi_watchdog(void); void enable_lapic_nmi_watchdog(void); +void stop_nmi(void); +void restart_nmi(void); #endif /* ASM_NMI_H */ diff --git a/include/asm-i386/page.h b/include/asm-i386/page.h index 99cf5d3692a..80ecc66b6d8 100644 --- a/include/asm-i386/page.h +++ b/include/asm-i386/page.h @@ -44,7 +44,6 @@ extern int nx_enabled; #ifdef CONFIG_X86_PAE -extern unsigned long long __supported_pte_mask; typedef struct { unsigned long pte_low, pte_high; } pte_t; typedef struct { unsigned long long pmd; } pmd_t; typedef struct { unsigned long long pgd; } pgd_t; diff --git a/include/asm-i386/pci.h b/include/asm-i386/pci.h index 392d3fe5d45..d790343e998 100644 --- a/include/asm-i386/pci.h +++ b/include/asm-i386/pci.h @@ -3,6 +3,11 @@ #ifdef __KERNEL__ + +struct pci_sysdata { + int node; /* NUMA node */ +}; + #include <linux/mm.h> /* for struct page */ /* Can be used to override the logic in pci_scan_bus for skipping diff --git a/include/asm-i386/processor-cyrix.h b/include/asm-i386/processor-cyrix.h new file mode 100644 index 00000000000..97568ada1f9 --- /dev/null +++ b/include/asm-i386/processor-cyrix.h @@ -0,0 +1,30 @@ +/* + * NSC/Cyrix CPU indexed register access. Must be inlined instead of + * macros to ensure correct access ordering + * Access order is always 0x22 (=offset), 0x23 (=value) + * + * When using the old macros a line like + * setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x88); + * gets expanded to: + * do { + * outb((CX86_CCR2), 0x22); + * outb((({ + * outb((CX86_CCR2), 0x22); + * inb(0x23); + * }) | 0x88), 0x23); + * } while (0); + * + * which in fact violates the access order (= 0x22, 0x22, 0x23, 0x23). + */ + +static inline u8 getCx86(u8 reg) +{ + outb(reg, 0x22); + return inb(0x23); +} + +static inline void setCx86(u8 reg, u8 data) +{ + outb(reg, 0x22); + outb(data, 0x23); +} diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h index 422cffef00c..3845fe72383 100644 --- a/include/asm-i386/processor.h +++ b/include/asm-i386/processor.h @@ -88,7 +88,6 @@ struct cpuinfo_x86 { #define X86_VENDOR_UMC 3 #define X86_VENDOR_NEXGEN 4 #define X86_VENDOR_CENTAUR 5 -#define X86_VENDOR_RISE 6 #define X86_VENDOR_TRANSMETA 7 #define X86_VENDOR_NSC 8 #define X86_VENDOR_NUM 9 @@ -169,17 +168,6 @@ static inline void clear_in_cr4 (unsigned long mask) write_cr4(cr4); } -/* - * NSC/Cyrix CPU indexed register access macros - */ - -#define getCx86(reg) ({ outb((reg), 0x22); inb(0x23); }) - -#define setCx86(reg, data) do { \ - outb((reg), 0x22); \ - outb((data), 0x23); \ -} while (0) - /* Stop speculative execution */ static inline void sync_core(void) { diff --git a/include/asm-i386/resume-trace.h b/include/asm-i386/resume-trace.h new file mode 100644 index 00000000000..ec9cfd65623 --- /dev/null +++ b/include/asm-i386/resume-trace.h @@ -0,0 +1,13 @@ +#define TRACE_RESUME(user) do { \ + if (pm_trace_enabled) { \ + void *tracedata; \ + asm volatile("movl $1f,%0\n" \ + ".section .tracedata,\"a\"\n" \ + "1:\t.word %c1\n" \ + "\t.long %c2\n" \ + ".previous" \ + :"=r" (tracedata) \ + : "i" (__LINE__), "i" (__FILE__)); \ + generate_resume_trace(tracedata, user); \ + } \ +} while (0) diff --git a/include/asm-i386/string.h b/include/asm-i386/string.h index b9277361954..a9b64453bdf 100644 --- a/include/asm-i386/string.h +++ b/include/asm-i386/string.h @@ -2,203 +2,35 @@ #define _I386_STRING_H_ #ifdef __KERNEL__ -/* - * On a 486 or Pentium, we are better off not using the - * byte string operations. But on a 386 or a PPro the - * byte string ops are faster than doing it by hand - * (MUCH faster on a Pentium). - */ - -/* - * This string-include defines all string functions as inline - * functions. Use gcc. It also assumes ds=es=data space, this should be - * normal. Most of the string-functions are rather heavily hand-optimized, - * see especially strsep,strstr,str[c]spn. They should work, but are not - * very easy to understand. Everything is done entirely within the register - * set, making the functions fast and clean. String instructions have been - * used through-out, making for "slightly" unclear code :-) - * - * NO Copyright (C) 1991, 1992 Linus Torvalds, - * consider these trivial functions to be PD. - */ -/* AK: in fact I bet it would be better to move this stuff all out of line. - */ +/* Let gcc decide wether to inline or use the out of line functions */ #define __HAVE_ARCH_STRCPY -static inline char * strcpy(char * dest,const char *src) -{ -int d0, d1, d2; -__asm__ __volatile__( - "1:\tlodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b" - : "=&S" (d0), "=&D" (d1), "=&a" (d2) - :"0" (src),"1" (dest) : "memory"); -return dest; -} +extern char *strcpy(char *dest, const char *src); #define __HAVE_ARCH_STRNCPY -static inline char * strncpy(char * dest,const char *src,size_t count) -{ -int d0, d1, d2, d3; -__asm__ __volatile__( - "1:\tdecl %2\n\t" - "js 2f\n\t" - "lodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "rep\n\t" - "stosb\n" - "2:" - : "=&S" (d0), "=&D" (d1), "=&c" (d2), "=&a" (d3) - :"0" (src),"1" (dest),"2" (count) : "memory"); -return dest; -} +extern char *strncpy(char *dest, const char *src, size_t count); #define __HAVE_ARCH_STRCAT -static inline char * strcat(char * dest,const char * src) -{ -int d0, d1, d2, d3; -__asm__ __volatile__( - "repne\n\t" - "scasb\n\t" - "decl %1\n" - "1:\tlodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b" - : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3) - : "0" (src), "1" (dest), "2" (0), "3" (0xffffffffu):"memory"); -return dest; -} +extern char *strcat(char *dest, const char *src); #define __HAVE_ARCH_STRNCAT -static inline char * strncat(char * dest,const char * src,size_t count) -{ -int d0, d1, d2, d3; -__asm__ __volatile__( - "repne\n\t" - "scasb\n\t" - "decl %1\n\t" - "movl %8,%3\n" - "1:\tdecl %3\n\t" - "js 2f\n\t" - "lodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n" - "2:\txorl %2,%2\n\t" - "stosb" - : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3) - : "0" (src),"1" (dest),"2" (0),"3" (0xffffffffu), "g" (count) - : "memory"); -return dest; -} +extern char *strncat(char *dest, const char *src, size_t count); #define __HAVE_ARCH_STRCMP -static inline int strcmp(const char * cs,const char * ct) -{ -int d0, d1; -register int __res; -__asm__ __volatile__( - "1:\tlodsb\n\t" - "scasb\n\t" - "jne 2f\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "xorl %%eax,%%eax\n\t" - "jmp 3f\n" - "2:\tsbbl %%eax,%%eax\n\t" - "orb $1,%%al\n" - "3:" - :"=a" (__res), "=&S" (d0), "=&D" (d1) - :"1" (cs),"2" (ct) - :"memory"); -return __res; -} +extern int strcmp(const char *cs, const char *ct); #define __HAVE_ARCH_STRNCMP -static inline int strncmp(const char * cs,const char * ct,size_t count) -{ -register int __res; -int d0, d1, d2; -__asm__ __volatile__( - "1:\tdecl %3\n\t" - "js 2f\n\t" - "lodsb\n\t" - "scasb\n\t" - "jne 3f\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n" - "2:\txorl %%eax,%%eax\n\t" - "jmp 4f\n" - "3:\tsbbl %%eax,%%eax\n\t" - "orb $1,%%al\n" - "4:" - :"=a" (__res), "=&S" (d0), "=&D" (d1), "=&c" (d2) - :"1" (cs),"2" (ct),"3" (count) - :"memory"); -return __res; -} +extern int strncmp(const char *cs, const char *ct, size_t count); #define __HAVE_ARCH_STRCHR -static inline char * strchr(const char * s, int c) -{ -int d0; -register char * __res; -__asm__ __volatile__( - "movb %%al,%%ah\n" - "1:\tlodsb\n\t" - "cmpb %%ah,%%al\n\t" - "je 2f\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "movl $1,%1\n" - "2:\tmovl %1,%0\n\t" - "decl %0" - :"=a" (__res), "=&S" (d0) - :"1" (s),"0" (c) - :"memory"); -return __res; -} +extern char *strchr(const char *s, int c); #define __HAVE_ARCH_STRRCHR -static inline char * strrchr(const char * s, int c) -{ -int d0, d1; -register char * __res; -__asm__ __volatile__( - "movb %%al,%%ah\n" - "1:\tlodsb\n\t" - "cmpb %%ah,%%al\n\t" - "jne 2f\n\t" - "leal -1(%%esi),%0\n" - "2:\ttestb %%al,%%al\n\t" - "jne 1b" - :"=g" (__res), "=&S" (d0), "=&a" (d1) - :"0" (0),"1" (s),"2" (c) - :"memory"); -return __res; -} +extern char *strrchr(const char *s, int c); #define __HAVE_ARCH_STRLEN -static inline size_t strlen(const char * s) -{ -int d0; -register int __res; -__asm__ __volatile__( - "repne\n\t" - "scasb\n\t" - "notl %0\n\t" - "decl %0" - :"=c" (__res), "=&D" (d0) - :"1" (s),"a" (0), "0" (0xffffffffu) - :"memory"); -return __res; -} +extern size_t strlen(const char *s); static __always_inline void * __memcpy(void * to, const void * from, size_t n) { @@ -207,9 +39,7 @@ __asm__ __volatile__( "rep ; movsl\n\t" "movl %4,%%ecx\n\t" "andl $3,%%ecx\n\t" -#if 1 /* want to pay 2 byte penalty for a chance to skip microcoded rep? */ "jz 1f\n\t" -#endif "rep ; movsb\n\t" "1:" : "=&c" (d0), "=&D" (d1), "=&S" (d2) @@ -328,23 +158,7 @@ void *memmove(void * dest,const void * src, size_t n); #define memcmp __builtin_memcmp #define __HAVE_ARCH_MEMCHR -static inline void * memchr(const void * cs,int c,size_t count) -{ -int d0; -register void * __res; -if (!count) - return NULL; -__asm__ __volatile__( - "repne\n\t" - "scasb\n\t" - "je 1f\n\t" - "movl $1,%0\n" - "1:\tdecl %0" - :"=D" (__res), "=&c" (d0) - :"a" (c),"0" (cs),"1" (count) - :"memory"); -return __res; -} +extern void *memchr(const void * cs,int c,size_t count); static inline void * __memset_generic(void * s, char c,size_t count) { @@ -386,29 +200,10 @@ return (s); /* Added by Gertjan van Wingerde to make minix and sysv module work */ #define __HAVE_ARCH_STRNLEN -static inline size_t strnlen(const char * s, size_t count) -{ -int d0; -register int __res; -__asm__ __volatile__( - "movl %2,%0\n\t" - "jmp 2f\n" - "1:\tcmpb $0,(%0)\n\t" - "je 3f\n\t" - "incl %0\n" - "2:\tdecl %1\n\t" - "cmpl $-1,%1\n\t" - "jne 1b\n" - "3:\tsubl %2,%0" - :"=a" (__res), "=&d" (d0) - :"c" (s),"1" (count) - :"memory"); -return __res; -} +extern size_t strnlen(const char * s, size_t count); /* end of additional stuff */ #define __HAVE_ARCH_STRSTR - extern char *strstr(const char *cs, const char *ct); /* @@ -474,19 +269,7 @@ __asm__ __volatile__( \ * find the first occurrence of byte 'c', or 1 past the area if none */ #define __HAVE_ARCH_MEMSCAN -static inline void * memscan(void * addr, int c, size_t size) -{ - if (!size) - return addr; - __asm__("repnz; scasb\n\t" - "jnz 1f\n\t" - "dec %%edi\n" - "1:" - : "=D" (addr), "=c" (size) - : "0" (addr), "1" (size), "a" (c) - : "memory"); - return addr; -} +extern void *memscan(void * addr, int c, size_t size); #endif /* __KERNEL__ */ diff --git a/include/asm-i386/timer.h b/include/asm-i386/timer.h index 51a713e33a9..0db7e994fb8 100644 --- a/include/asm-i386/timer.h +++ b/include/asm-i386/timer.h @@ -5,13 +5,11 @@ #define TICK_SIZE (tick_nsec / 1000) -void setup_pit_timer(void); unsigned long long native_sched_clock(void); unsigned long native_calculate_cpu_khz(void); extern int timer_ack; extern int no_timer_check; -extern int no_sync_cmos_clock; extern int recalibrate_cpu_khz(void); #ifndef CONFIG_PARAVIRT diff --git a/include/asm-i386/tlbflush.h b/include/asm-i386/tlbflush.h index fc525c5cd5a..a50fa674148 100644 --- a/include/asm-i386/tlbflush.h +++ b/include/asm-i386/tlbflush.h @@ -160,7 +160,11 @@ DECLARE_PER_CPU(struct tlb_state, cpu_tlbstate); native_flush_tlb_others(&mask, mm, va) #endif -#define flush_tlb_kernel_range(start, end) flush_tlb_all() +static inline void flush_tlb_kernel_range(unsigned long start, + unsigned long end) +{ + flush_tlb_all(); +} static inline void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end) diff --git a/include/asm-i386/topology.h b/include/asm-i386/topology.h index 7fc512d90ea..19b2dafd0c8 100644 --- a/include/asm-i386/topology.h +++ b/include/asm-i386/topology.h @@ -67,7 +67,7 @@ static inline int node_to_first_cpu(int node) return first_cpu(mask); } -#define pcibus_to_node(bus) ((long) (bus)->sysdata) +#define pcibus_to_node(bus) ((struct pci_sysdata *)((bus)->sysdata))->node #define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus)) /* sched_domains SD_NODE_INIT for NUMAQ machines */ diff --git a/include/asm-i386/uaccess.h b/include/asm-i386/uaccess.h index e2aa5e0d0cc..d2a4f7be9c2 100644 --- a/include/asm-i386/uaccess.h +++ b/include/asm-i386/uaccess.h @@ -581,7 +581,7 @@ long __must_check __strncpy_from_user(char *dst, * If there is a limit on the length of a valid string, you may wish to * consider using strnlen_user() instead. */ -#define strlen_user(str) strnlen_user(str, ~0UL >> 1) +#define strlen_user(str) strnlen_user(str, LONG_MAX) long strnlen_user(const char __user *str, long n); unsigned long __must_check clear_user(void __user *mem, unsigned long len); diff --git a/include/asm-sparc/irq.h b/include/asm-sparc/irq.h index ff520ea9747..afb88a5973f 100644 --- a/include/asm-sparc/irq.h +++ b/include/asm-sparc/irq.h @@ -7,178 +7,16 @@ #ifndef _SPARC_IRQ_H #define _SPARC_IRQ_H -#include <linux/linkage.h> -#include <linux/threads.h> /* For NR_CPUS */ #include <linux/interrupt.h> -#include <asm/system.h> /* For SUN4M_NCPUS */ -#include <asm/btfixup.h> - -#define __irq_ino(irq) irq -#define __irq_pil(irq) irq - #define NR_IRQS 16 #define irq_canonicalize(irq) (irq) -/* Dave Redman (djhr@tadpole.co.uk) - * changed these to function pointers.. it saves cycles and will allow - * the irq dependencies to be split into different files at a later date - * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size. - * Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * Changed these to btfixup entities... It saves cycles :) - */ -BTFIXUPDEF_CALL(void, disable_irq, unsigned int) -BTFIXUPDEF_CALL(void, enable_irq, unsigned int) -BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int) -BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int) -BTFIXUPDEF_CALL(void, clear_clock_irq, void) -BTFIXUPDEF_CALL(void, clear_profile_irq, int) -BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int) - -static inline void disable_irq_nosync(unsigned int irq) -{ - BTFIXUP_CALL(disable_irq)(irq); -} - -static inline void disable_irq(unsigned int irq) -{ - BTFIXUP_CALL(disable_irq)(irq); -} - -static inline void enable_irq(unsigned int irq) -{ - BTFIXUP_CALL(enable_irq)(irq); -} - -static inline void disable_pil_irq(unsigned int irq) -{ - BTFIXUP_CALL(disable_pil_irq)(irq); -} - -static inline void enable_pil_irq(unsigned int irq) -{ - BTFIXUP_CALL(enable_pil_irq)(irq); -} - -static inline void clear_clock_irq(void) -{ - BTFIXUP_CALL(clear_clock_irq)(); -} - -static inline void clear_profile_irq(int irq) -{ - BTFIXUP_CALL(clear_profile_irq)(irq); -} - -static inline void load_profile_irq(int cpu, int limit) -{ - BTFIXUP_CALL(load_profile_irq)(cpu, limit); -} - -extern void (*sparc_init_timers)(irq_handler_t lvl10_irq); -extern void claim_ticker14(irq_handler_t irq_handler, - int irq, - unsigned int timeout); - -#ifdef CONFIG_SMP -BTFIXUPDEF_CALL(void, set_cpu_int, int, int) -BTFIXUPDEF_CALL(void, clear_cpu_int, int, int) -BTFIXUPDEF_CALL(void, set_irq_udt, int) - -#define set_cpu_int(cpu,level) BTFIXUP_CALL(set_cpu_int)(cpu,level) -#define clear_cpu_int(cpu,level) BTFIXUP_CALL(clear_cpu_int)(cpu,level) -#define set_irq_udt(cpu) BTFIXUP_CALL(set_irq_udt)(cpu) -#endif +extern void disable_irq_nosync(unsigned int irq); +extern void disable_irq(unsigned int irq); +extern void enable_irq(unsigned int irq); extern int request_fast_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, __const__ char *devname); -/* On the sun4m, just like the timers, we have both per-cpu and master - * interrupt registers. - */ - -/* These registers are used for sending/receiving irqs from/to - * different cpu's. - */ -struct sun4m_intreg_percpu { - unsigned int tbt; /* Interrupts still pending for this cpu. */ - - /* These next two registers are WRITE-ONLY and are only - * "on bit" sensitive, "off bits" written have NO affect. - */ - unsigned int clear; /* Clear this cpus irqs here. */ - unsigned int set; /* Set this cpus irqs here. */ - unsigned char space[PAGE_SIZE - 12]; -}; - -/* - * djhr - * Actually the clear and set fields in this struct are misleading.. - * according to the SLAVIO manual (and the same applies for the SEC) - * the clear field clears bits in the mask which will ENABLE that IRQ - * the set field sets bits in the mask to DISABLE the IRQ. - * - * Also the undirected_xx address in the SLAVIO is defined as - * RESERVED and write only.. - * - * DAVEM_NOTE: The SLAVIO only specifies behavior on uniprocessor - * sun4m machines, for MP the layout makes more sense. - */ -struct sun4m_intregs { - struct sun4m_intreg_percpu cpu_intregs[SUN4M_NCPUS]; - unsigned int tbt; /* IRQ's that are still pending. */ - unsigned int irqs; /* Master IRQ bits. */ - - /* Again, like the above, two these registers are WRITE-ONLY. */ - unsigned int clear; /* Clear master IRQ's by setting bits here. */ - unsigned int set; /* Set master IRQ's by setting bits here. */ - - /* This register is both READ and WRITE. */ - unsigned int undirected_target; /* Which cpu gets undirected irqs. */ -}; - -extern struct sun4m_intregs *sun4m_interrupts; - -/* - * Bit field defines for the interrupt registers on various - * Sparc machines. - */ - -/* The sun4c interrupt register. */ -#define SUN4C_INT_ENABLE 0x01 /* Allow interrupts. */ -#define SUN4C_INT_E14 0x80 /* Enable level 14 IRQ. */ -#define SUN4C_INT_E10 0x20 /* Enable level 10 IRQ. */ -#define SUN4C_INT_E8 0x10 /* Enable level 8 IRQ. */ -#define SUN4C_INT_E6 0x08 /* Enable level 6 IRQ. */ -#define SUN4C_INT_E4 0x04 /* Enable level 4 IRQ. */ -#define SUN4C_INT_E1 0x02 /* Enable level 1 IRQ. */ - -/* Dave Redman (djhr@tadpole.co.uk) - * The sun4m interrupt registers. - */ -#define SUN4M_INT_ENABLE 0x80000000 -#define SUN4M_INT_E14 0x00000080 -#define SUN4M_INT_E10 0x00080000 - -#define SUN4M_HARD_INT(x) (0x000000001 << (x)) -#define SUN4M_SOFT_INT(x) (0x000010000 << (x)) - -#define SUN4M_INT_MASKALL 0x80000000 /* mask all interrupts */ -#define SUN4M_INT_MODULE_ERR 0x40000000 /* module error */ -#define SUN4M_INT_M2S_WRITE 0x20000000 /* write buffer error */ -#define SUN4M_INT_ECC 0x10000000 /* ecc memory error */ -#define SUN4M_INT_FLOPPY 0x00400000 /* floppy disk */ -#define SUN4M_INT_MODULE 0x00200000 /* module interrupt */ -#define SUN4M_INT_VIDEO 0x00100000 /* onboard video */ -#define SUN4M_INT_REALTIME 0x00080000 /* system timer */ -#define SUN4M_INT_SCSI 0x00040000 /* onboard scsi */ -#define SUN4M_INT_AUDIO 0x00020000 /* audio/isdn */ -#define SUN4M_INT_ETHERNET 0x00010000 /* onboard ethernet */ -#define SUN4M_INT_SERIAL 0x00008000 /* serial ports */ -#define SUN4M_INT_KBDMS 0x00004000 /* keyboard/mouse */ -#define SUN4M_INT_SBUSBITS 0x00003F80 /* sbus int bits */ - -#define SUN4M_INT_SBUS(x) (1 << (x+7)) -#define SUN4M_INT_VME(x) (1 << (x)) - #endif diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h index a55f4c3488b..2cc235b74d9 100644 --- a/include/asm-sparc/pgtable.h +++ b/include/asm-sparc/pgtable.h @@ -46,7 +46,6 @@ BTFIXUPDEF_SIMM13(user_ptrs_per_pgd) #define pgd_ERROR(e) __builtin_trap() BTFIXUPDEF_INT(page_none) -BTFIXUPDEF_INT(page_shared) BTFIXUPDEF_INT(page_copy) BTFIXUPDEF_INT(page_readonly) BTFIXUPDEF_INT(page_kernel) @@ -66,7 +65,7 @@ BTFIXUPDEF_INT(page_kernel) #define PTE_SIZE (PTRS_PER_PTE*4) #define PAGE_NONE __pgprot(BTFIXUP_INT(page_none)) -#define PAGE_SHARED __pgprot(BTFIXUP_INT(page_shared)) +extern pgprot_t PAGE_SHARED; #define PAGE_COPY __pgprot(BTFIXUP_INT(page_copy)) #define PAGE_READONLY __pgprot(BTFIXUP_INT(page_readonly)) diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h index a29f05087a3..1da8f49c0fe 100644 --- a/include/asm-x86_64/acpi.h +++ b/include/asm-x86_64/acpi.h @@ -29,6 +29,7 @@ #ifdef __KERNEL__ #include <acpi/pdc_intel.h> +#include <asm/numa.h> #define COMPILER_DEPENDENT_INT64 long long #define COMPILER_DEPENDENT_UINT64 unsigned long long @@ -141,6 +142,16 @@ extern int acpi_pci_disabled; extern int acpi_skip_timer_override; extern int acpi_use_timer_override; +#ifdef CONFIG_ACPI_NUMA +extern void __init acpi_fake_nodes(const struct bootnode *fake_nodes, + int num_nodes); +#else +static inline void acpi_fake_nodes(const struct bootnode *fake_nodes, + int num_nodes) +{ +} +#endif + #endif /*__KERNEL__*/ #endif /*_ASM_ACPI_H*/ diff --git a/include/asm-x86_64/alternative.h b/include/asm-x86_64/alternative.h index eea7aecfac7..ab161e81015 100644 --- a/include/asm-x86_64/alternative.h +++ b/include/asm-x86_64/alternative.h @@ -154,4 +154,6 @@ apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end) #define __parainstructions_end NULL #endif +extern void text_poke(void *addr, unsigned char *opcode, int len); + #endif /* _X86_64_ALTERNATIVE_H */ diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h index 45e9fca1feb..85125ef3c41 100644 --- a/include/asm-x86_64/apic.h +++ b/include/asm-x86_64/apic.h @@ -83,8 +83,10 @@ extern void disable_APIC_timer(void); extern void enable_APIC_timer(void); extern void setup_apic_routing(void); -extern void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector, - unsigned char msg_type, unsigned char mask); +extern void setup_APIC_extended_lvt(unsigned char lvt_off, unsigned char vector, + unsigned char msg_type, unsigned char mask); + +extern int apic_is_clustered_box(void); #define K8_APIC_EXT_LVT_BASE 0x500 #define K8_APIC_EXT_INT_MSG_FIX 0x0 diff --git a/include/asm-x86_64/auxvec.h b/include/asm-x86_64/auxvec.h index 2403c4cfced..1d5ab0d0395 100644 --- a/include/asm-x86_64/auxvec.h +++ b/include/asm-x86_64/auxvec.h @@ -1,4 +1,6 @@ #ifndef __ASM_X86_64_AUXVEC_H #define __ASM_X86_64_AUXVEC_H +#define AT_SYSINFO_EHDR 33 + #endif diff --git a/include/asm-x86_64/calgary.h b/include/asm-x86_64/calgary.h index 4d5747a0923..67f60406e2d 100644 --- a/include/asm-x86_64/calgary.h +++ b/include/asm-x86_64/calgary.h @@ -1,7 +1,7 @@ /* * Derived from include/asm-powerpc/iommu.h * - * Copyright (C) IBM Corporation, 2006 + * Copyright IBM Corporation, 2006-2007 * * Author: Jon Mason <jdmason@us.ibm.com> * Author: Muli Ben-Yehuda <muli@il.ibm.com> @@ -31,6 +31,7 @@ #include <asm/types.h> struct iommu_table { + struct cal_chipset_ops *chip_ops; /* chipset specific funcs */ unsigned long it_base; /* mapped address of tce table */ unsigned long it_hint; /* Hint for next alloc */ unsigned long *it_map; /* A simple allocation bitmap for now */ @@ -42,6 +43,12 @@ struct iommu_table { unsigned char it_busno; /* Bus number this table belongs to */ }; +struct cal_chipset_ops { + void (*handle_quirks)(struct iommu_table *tbl, struct pci_dev *dev); + void (*tce_cache_blast)(struct iommu_table *tbl); + void (*dump_error_regs)(struct iommu_table *tbl); +}; + #define TCE_TABLE_SIZE_UNSPECIFIED ~0 #define TCE_TABLE_SIZE_64K 0 #define TCE_TABLE_SIZE_128K 1 diff --git a/include/asm-x86_64/cmpxchg.h b/include/asm-x86_64/cmpxchg.h index 09a6b6b6b74..5e182062e6e 100644 --- a/include/asm-x86_64/cmpxchg.h +++ b/include/asm-x86_64/cmpxchg.h @@ -128,7 +128,7 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr, ((__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),\ + ((__typeof__(*(ptr)))__cmpxchg_local((ptr),(unsigned long)(o),\ (unsigned long)(n),sizeof(*(ptr)))) #endif diff --git a/include/asm-x86_64/dmi.h b/include/asm-x86_64/dmi.h index 93b2b15d432..d02e32e3c3f 100644 --- a/include/asm-x86_64/dmi.h +++ b/include/asm-x86_64/dmi.h @@ -3,15 +3,12 @@ #include <asm/io.h> -extern void *dmi_ioremap(unsigned long addr, unsigned long size); -extern void dmi_iounmap(void *addr, unsigned long size); - #define DMI_MAX_DATA 2048 extern int dmi_alloc_index; extern char dmi_alloc_data[DMI_MAX_DATA]; -/* This is so early that there is no good way to allocate dynamic memory. +/* This is so early that there is no good way to allocate dynamic memory. Allocate data in an BSS array. */ static inline void *dmi_alloc(unsigned len) { diff --git a/include/asm-x86_64/elf.h b/include/asm-x86_64/elf.h index 6d24ea7c4d9..b4fbe47f6cc 100644 --- a/include/asm-x86_64/elf.h +++ b/include/asm-x86_64/elf.h @@ -162,6 +162,19 @@ extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *); /* 1GB for 64bit, 8MB for 32bit */ #define STACK_RND_MASK (test_thread_flag(TIF_IA32) ? 0x7ff : 0x3fffff) + +#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 +struct linux_binprm; +extern int arch_setup_additional_pages(struct linux_binprm *bprm, + int executable_stack); + +extern int vdso_enabled; + +#define ARCH_DLINFO \ +do if (vdso_enabled) { \ + NEW_AUX_ENT(AT_SYSINFO_EHDR,(unsigned long)current->mm->context.vdso);\ +} while (0) + #endif #endif diff --git a/include/asm-x86_64/fixmap.h b/include/asm-x86_64/fixmap.h index 2acb9b7f641..cdfbe4a6ae6 100644 --- a/include/asm-x86_64/fixmap.h +++ b/include/asm-x86_64/fixmap.h @@ -22,9 +22,9 @@ * compile time, but to set the physical address only * in the boot process. * - * these 'compile-time allocated' memory buffers are - * fixed-size 4k pages. (or larger if used with an increment - * highger than 1) use fixmap_set(idx,phys) to associate + * These 'compile-time allocated' memory buffers are + * fixed-size 4k pages (or larger if used with an increment + * higher than 1). Use set_fixmap(idx,phys) to associate * physical memory with fixmap indices. * * TLB entries of such buffers will not be flushed across diff --git a/include/asm-x86_64/hpet.h b/include/asm-x86_64/hpet.h index 59a66f08461..79bb950f82c 100644 --- a/include/asm-x86_64/hpet.h +++ b/include/asm-x86_64/hpet.h @@ -1,78 +1,18 @@ #ifndef _ASM_X8664_HPET_H #define _ASM_X8664_HPET_H 1 -/* - * Documentation on HPET can be found at: - * http://www.intel.com/ial/home/sp/pcmmspec.htm - * ftp://download.intel.com/ial/home/sp/mmts098.pdf - */ - -#define HPET_MMAP_SIZE 1024 - -#define HPET_ID 0x000 -#define HPET_PERIOD 0x004 -#define HPET_CFG 0x010 -#define HPET_STATUS 0x020 -#define HPET_COUNTER 0x0f0 -#define HPET_Tn_OFFSET 0x20 -#define HPET_Tn_CFG(n) (0x100 + (n) * HPET_Tn_OFFSET) -#define HPET_Tn_ROUTE(n) (0x104 + (n) * HPET_Tn_OFFSET) -#define HPET_Tn_CMP(n) (0x108 + (n) * HPET_Tn_OFFSET) -#define HPET_T0_CFG HPET_Tn_CFG(0) -#define HPET_T0_CMP HPET_Tn_CMP(0) -#define HPET_T1_CFG HPET_Tn_CFG(1) -#define HPET_T1_CMP HPET_Tn_CMP(1) - -#define HPET_ID_VENDOR 0xffff0000 -#define HPET_ID_LEGSUP 0x00008000 -#define HPET_ID_64BIT 0x00002000 -#define HPET_ID_NUMBER 0x00001f00 -#define HPET_ID_REV 0x000000ff -#define HPET_ID_NUMBER_SHIFT 8 - -#define HPET_ID_VENDOR_SHIFT 16 -#define HPET_ID_VENDOR_8086 0x8086 - -#define HPET_CFG_ENABLE 0x001 -#define HPET_CFG_LEGACY 0x002 -#define HPET_LEGACY_8254 2 -#define HPET_LEGACY_RTC 8 - -#define HPET_TN_LEVEL 0x0002 -#define HPET_TN_ENABLE 0x0004 -#define HPET_TN_PERIODIC 0x0008 -#define HPET_TN_PERIODIC_CAP 0x0010 -#define HPET_TN_64BIT_CAP 0x0020 -#define HPET_TN_SETVAL 0x0040 -#define HPET_TN_32BIT 0x0100 -#define HPET_TN_ROUTE 0x3e00 -#define HPET_TN_FSB 0x4000 -#define HPET_TN_FSB_CAP 0x8000 - -#define HPET_TN_ROUTE_SHIFT 9 +#include <asm-i386/hpet.h> #define HPET_TICK_RATE (HZ * 100000UL) -extern int is_hpet_enabled(void); extern int hpet_rtc_timer_init(void); -extern int apic_is_clustered_box(void); extern int hpet_arch_init(void); extern int hpet_timer_stop_set_go(unsigned long tick); extern int hpet_reenable(void); extern unsigned int hpet_calibrate_tsc(void); extern int hpet_use_timer; -extern unsigned long hpet_address; extern unsigned long hpet_period; extern unsigned long hpet_tick; -#ifdef CONFIG_HPET_EMULATE_RTC -extern int hpet_mask_rtc_irq_bit(unsigned long bit_mask); -extern int hpet_set_rtc_irq_bit(unsigned long bit_mask); -extern int hpet_set_alarm_time(unsigned char hrs, unsigned char min, unsigned char sec); -extern int hpet_set_periodic_freq(unsigned long freq); -extern int hpet_rtc_dropped_irq(void); -extern int hpet_rtc_timer_init(void); -#endif /* CONFIG_HPET_EMULATE_RTC */ - #endif diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h index 6153ae5df2e..09dfc18a6dd 100644 --- a/include/asm-x86_64/hw_irq.h +++ b/include/asm-x86_64/hw_irq.h @@ -95,6 +95,26 @@ #ifndef __ASSEMBLY__ + +/* Interrupt handlers registered during init_IRQ */ +void apic_timer_interrupt(void); +void spurious_interrupt(void); +void error_interrupt(void); +void reschedule_interrupt(void); +void call_function_interrupt(void); +void irq_move_cleanup_interrupt(void); +void invalidate_interrupt0(void); +void invalidate_interrupt1(void); +void invalidate_interrupt2(void); +void invalidate_interrupt3(void); +void invalidate_interrupt4(void); +void invalidate_interrupt5(void); +void invalidate_interrupt6(void); +void invalidate_interrupt7(void); +void thermal_interrupt(void); +void threshold_interrupt(void); +void i8254_timer_resume(void); + typedef int vector_irq_t[NR_VECTORS]; DECLARE_PER_CPU(vector_irq_t, vector_irq); extern void __setup_vector_irq(int cpu); diff --git a/include/asm-x86_64/hypertransport.h b/include/asm-x86_64/hypertransport.h index c16c6ff4bdd..5cbf9fa5e0b 100644 --- a/include/asm-x86_64/hypertransport.h +++ b/include/asm-x86_64/hypertransport.h @@ -1,42 +1 @@ -#ifndef ASM_HYPERTRANSPORT_H -#define ASM_HYPERTRANSPORT_H - -/* - * Constants for x86 Hypertransport Interrupts. - */ - -#define HT_IRQ_LOW_BASE 0xf8000000 - -#define HT_IRQ_LOW_VECTOR_SHIFT 16 -#define HT_IRQ_LOW_VECTOR_MASK 0x00ff0000 -#define HT_IRQ_LOW_VECTOR(v) (((v) << HT_IRQ_LOW_VECTOR_SHIFT) & HT_IRQ_LOW_VECTOR_MASK) - -#define HT_IRQ_LOW_DEST_ID_SHIFT 8 -#define HT_IRQ_LOW_DEST_ID_MASK 0x0000ff00 -#define HT_IRQ_LOW_DEST_ID(v) (((v) << HT_IRQ_LOW_DEST_ID_SHIFT) & HT_IRQ_LOW_DEST_ID_MASK) - -#define HT_IRQ_LOW_DM_PHYSICAL 0x0000000 -#define HT_IRQ_LOW_DM_LOGICAL 0x0000040 - -#define HT_IRQ_LOW_RQEOI_EDGE 0x0000000 -#define HT_IRQ_LOW_RQEOI_LEVEL 0x0000020 - - -#define HT_IRQ_LOW_MT_FIXED 0x0000000 -#define HT_IRQ_LOW_MT_ARBITRATED 0x0000004 -#define HT_IRQ_LOW_MT_SMI 0x0000008 -#define HT_IRQ_LOW_MT_NMI 0x000000c -#define HT_IRQ_LOW_MT_INIT 0x0000010 -#define HT_IRQ_LOW_MT_STARTUP 0x0000014 -#define HT_IRQ_LOW_MT_EXTINT 0x0000018 -#define HT_IRQ_LOW_MT_LINT1 0x000008c -#define HT_IRQ_LOW_MT_LINT0 0x0000098 - -#define HT_IRQ_LOW_IRQ_MASKED 0x0000001 - - -#define HT_IRQ_HIGH_DEST_ID_SHIFT 0 -#define HT_IRQ_HIGH_DEST_ID_MASK 0x00ffffff -#define HT_IRQ_HIGH_DEST_ID(v) ((((v) >> 8) << HT_IRQ_HIGH_DEST_ID_SHIFT) & HT_IRQ_HIGH_DEST_ID_MASK) - -#endif /* ASM_HYPERTRANSPORT_H */ +#include <asm-i386/hypertransport.h> diff --git a/include/asm-x86_64/i8253.h b/include/asm-x86_64/i8253.h new file mode 100644 index 00000000000..015d8df0769 --- /dev/null +++ b/include/asm-x86_64/i8253.h @@ -0,0 +1,6 @@ +#ifndef __ASM_I8253_H__ +#define __ASM_I8253_H__ + +extern spinlock_t i8253_lock; + +#endif /* __ASM_I8253_H__ */ diff --git a/include/asm-x86_64/iommu.h b/include/asm-x86_64/iommu.h new file mode 100644 index 00000000000..5af471f228e --- /dev/null +++ b/include/asm-x86_64/iommu.h @@ -0,0 +1,29 @@ +#ifndef _ASM_X8664_IOMMU_H +#define _ASM_X8664_IOMMU_H 1 + +extern void pci_iommu_shutdown(void); +extern void no_iommu_init(void); +extern int force_iommu, no_iommu; +extern int iommu_detected; +#ifdef CONFIG_IOMMU +extern void gart_iommu_init(void); +extern void gart_iommu_shutdown(void); +extern void __init gart_parse_options(char *); +extern void iommu_hole_init(void); +extern int fallback_aper_order; +extern int fallback_aper_force; +extern int iommu_aperture; +extern int iommu_aperture_allowed; +extern int iommu_aperture_disabled; +extern int fix_aperture; +#else +#define iommu_aperture 0 +#define iommu_aperture_allowed 0 + +static inline void gart_iommu_shutdown(void) +{ +} + +#endif + +#endif diff --git a/include/asm-x86_64/mce.h b/include/asm-x86_64/mce.h index 177e92b4019..7bc030a1996 100644 --- a/include/asm-x86_64/mce.h +++ b/include/asm-x86_64/mce.h @@ -105,6 +105,11 @@ extern atomic_t mce_entry; extern void do_machine_check(struct pt_regs *, long); +extern int mce_notify_user(void); + +extern void stop_mce(void); +extern void restart_mce(void); + #endif #endif diff --git a/include/asm-x86_64/mmu.h b/include/asm-x86_64/mmu.h index 5dc6ed79859..d2cd4a9d984 100644 --- a/include/asm-x86_64/mmu.h +++ b/include/asm-x86_64/mmu.h @@ -15,6 +15,7 @@ typedef struct { rwlock_t ldtlock; int size; struct semaphore sem; + void *vdso; } mm_context_t; #endif diff --git a/include/asm-x86_64/msidef.h b/include/asm-x86_64/msidef.h index 5b8acddb70f..083ad5827e4 100644 --- a/include/asm-x86_64/msidef.h +++ b/include/asm-x86_64/msidef.h @@ -1,47 +1 @@ -#ifndef ASM_MSIDEF_H -#define ASM_MSIDEF_H - -/* - * Constants for Intel APIC based MSI messages. - */ - -/* - * Shifts for MSI data - */ - -#define MSI_DATA_VECTOR_SHIFT 0 -#define MSI_DATA_VECTOR_MASK 0x000000ff -#define MSI_DATA_VECTOR(v) (((v) << MSI_DATA_VECTOR_SHIFT) & MSI_DATA_VECTOR_MASK) - -#define MSI_DATA_DELIVERY_MODE_SHIFT 8 -#define MSI_DATA_DELIVERY_FIXED (0 << MSI_DATA_DELIVERY_MODE_SHIFT) -#define MSI_DATA_DELIVERY_LOWPRI (1 << MSI_DATA_DELIVERY_MODE_SHIFT) - -#define MSI_DATA_LEVEL_SHIFT 14 -#define MSI_DATA_LEVEL_DEASSERT (0 << MSI_DATA_LEVEL_SHIFT) -#define MSI_DATA_LEVEL_ASSERT (1 << MSI_DATA_LEVEL_SHIFT) - -#define MSI_DATA_TRIGGER_SHIFT 15 -#define MSI_DATA_TRIGGER_EDGE (0 << MSI_DATA_TRIGGER_SHIFT) -#define MSI_DATA_TRIGGER_LEVEL (1 << MSI_DATA_TRIGGER_SHIFT) - -/* - * Shift/mask fields for msi address - */ - -#define MSI_ADDR_BASE_HI 0 -#define MSI_ADDR_BASE_LO 0xfee00000 - -#define MSI_ADDR_DEST_MODE_SHIFT 2 -#define MSI_ADDR_DEST_MODE_PHYSICAL (0 << MSI_ADDR_DEST_MODE_SHIFT) -#define MSI_ADDR_DEST_MODE_LOGICAL (1 << MSI_ADDR_DEST_MODE_SHIFT) - -#define MSI_ADDR_REDIRECTION_SHIFT 3 -#define MSI_ADDR_REDIRECTION_CPU (0 << MSI_ADDR_REDIRECTION_SHIFT) /* dedicated cpu */ -#define MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT) /* lowest priority */ - -#define MSI_ADDR_DEST_ID_SHIFT 12 -#define MSI_ADDR_DEST_ID_MASK 0x00ffff0 -#define MSI_ADDR_DEST_ID(dest) (((dest) << MSI_ADDR_DEST_ID_SHIFT) & MSI_ADDR_DEST_ID_MASK) - -#endif /* ASM_MSIDEF_H */ +#include <asm-i386/msidef.h> diff --git a/include/asm-x86_64/nmi.h b/include/asm-x86_64/nmi.h index d0a7f53b149..5fb3c0de5cc 100644 --- a/include/asm-x86_64/nmi.h +++ b/include/asm-x86_64/nmi.h @@ -88,5 +88,7 @@ unsigned lapic_adjust_nmi_hz(unsigned hz); int lapic_watchdog_ok(void); void disable_lapic_nmi_watchdog(void); void enable_lapic_nmi_watchdog(void); +void stop_nmi(void); +void restart_nmi(void); #endif /* ASM_NMI_H */ diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h index bda94fd5176..88926eb44f5 100644 --- a/include/asm-x86_64/pci.h +++ b/include/asm-x86_64/pci.h @@ -5,6 +5,25 @@ #ifdef __KERNEL__ +struct pci_sysdata { + int node; /* NUMA node */ + void* iommu; /* IOMMU private data */ +}; + +#ifdef CONFIG_CALGARY_IOMMU +static inline void* pci_iommu(struct pci_bus *bus) +{ + struct pci_sysdata *sd = bus->sysdata; + return sd->iommu; +} + +static inline void set_pci_iommu(struct pci_bus *bus, void *val) +{ + struct pci_sysdata *sd = bus->sysdata; + sd->iommu = val; +} +#endif /* CONFIG_CALGARY_IOMMU */ + #include <linux/mm.h> /* for struct page */ /* Can be used to override the logic in pci_scan_bus for skipping diff --git a/include/asm-x86_64/pgalloc.h b/include/asm-x86_64/pgalloc.h index 8bb56468786..b467be6d367 100644 --- a/include/asm-x86_64/pgalloc.h +++ b/include/asm-x86_64/pgalloc.h @@ -4,6 +4,10 @@ #include <asm/pda.h> #include <linux/threads.h> #include <linux/mm.h> +#include <linux/quicklist.h> + +#define QUICK_PGD 0 /* We preserve special mappings over free */ +#define QUICK_PT 1 /* Other page table pages that are zero on free */ #define pmd_populate_kernel(mm, pmd, pte) \ set_pmd(pmd, __pmd(_PAGE_TABLE | __pa(pte))) @@ -20,23 +24,23 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *p static inline void pmd_free(pmd_t *pmd) { BUG_ON((unsigned long)pmd & (PAGE_SIZE-1)); - free_page((unsigned long)pmd); + quicklist_free(QUICK_PT, NULL, pmd); } static inline pmd_t *pmd_alloc_one (struct mm_struct *mm, unsigned long addr) { - return (pmd_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); + return (pmd_t *)quicklist_alloc(QUICK_PT, GFP_KERNEL|__GFP_REPEAT, NULL); } static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) { - return (pud_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); + return (pud_t *)quicklist_alloc(QUICK_PT, GFP_KERNEL|__GFP_REPEAT, NULL); } static inline void pud_free (pud_t *pud) { BUG_ON((unsigned long)pud & (PAGE_SIZE-1)); - free_page((unsigned long)pud); + quicklist_free(QUICK_PT, NULL, pud); } static inline void pgd_list_add(pgd_t *pgd) @@ -57,41 +61,57 @@ static inline void pgd_list_del(pgd_t *pgd) spin_unlock(&pgd_lock); } -static inline pgd_t *pgd_alloc(struct mm_struct *mm) +static inline void pgd_ctor(void *x) { unsigned boundary; - pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT); - if (!pgd) - return NULL; - pgd_list_add(pgd); + pgd_t *pgd = x; + struct page *page = virt_to_page(pgd); + /* * Copy kernel pointers in from init. - * Could keep a freelist or slab cache of those because the kernel - * part never changes. */ boundary = pgd_index(__PAGE_OFFSET); - memset(pgd, 0, boundary * sizeof(pgd_t)); memcpy(pgd + boundary, - init_level4_pgt + boundary, - (PTRS_PER_PGD - boundary) * sizeof(pgd_t)); + init_level4_pgt + boundary, + (PTRS_PER_PGD - boundary) * sizeof(pgd_t)); + + spin_lock(&pgd_lock); + list_add(&page->lru, &pgd_list); + spin_unlock(&pgd_lock); +} + +static inline void pgd_dtor(void *x) +{ + pgd_t *pgd = x; + struct page *page = virt_to_page(pgd); + + spin_lock(&pgd_lock); + list_del(&page->lru); + spin_unlock(&pgd_lock); +} + +static inline pgd_t *pgd_alloc(struct mm_struct *mm) +{ + pgd_t *pgd = (pgd_t *)quicklist_alloc(QUICK_PGD, + GFP_KERNEL|__GFP_REPEAT, pgd_ctor); return pgd; } static inline void pgd_free(pgd_t *pgd) { BUG_ON((unsigned long)pgd & (PAGE_SIZE-1)); - pgd_list_del(pgd); - free_page((unsigned long)pgd); + quicklist_free(QUICK_PGD, pgd_dtor, pgd); } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - return (pte_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); + return (pte_t *)quicklist_alloc(QUICK_PT, GFP_KERNEL|__GFP_REPEAT, NULL); } static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address) { - void *p = (void *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); + void *p = (void *)quicklist_alloc(QUICK_PT, GFP_KERNEL|__GFP_REPEAT, NULL); + if (!p) return NULL; return virt_to_page(p); @@ -103,17 +123,22 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long add static inline void pte_free_kernel(pte_t *pte) { BUG_ON((unsigned long)pte & (PAGE_SIZE-1)); - free_page((unsigned long)pte); + quicklist_free(QUICK_PT, NULL, pte); } static inline void pte_free(struct page *pte) { - __free_page(pte); -} + quicklist_free_page(QUICK_PT, NULL, pte); +} -#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte)) +#define __pte_free_tlb(tlb,pte) quicklist_free_page(QUICK_PT, NULL,(pte)) -#define __pmd_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x)) -#define __pud_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x)) +#define __pmd_free_tlb(tlb,x) quicklist_free(QUICK_PT, NULL, (x)) +#define __pud_free_tlb(tlb,x) quicklist_free(QUICK_PT, NULL, (x)) +static inline void check_pgt_cache(void) +{ + quicklist_trim(QUICK_PGD, pgd_dtor, 25, 16); + quicklist_trim(QUICK_PT, NULL, 25, 16); +} #endif /* _X86_64_PGALLOC_H */ diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index 3ba53099297..c9d8764c89d 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -403,13 +403,14 @@ extern struct list_head pgd_list; extern int kern_addr_valid(unsigned long addr); +pte_t *lookup_address(unsigned long addr); + #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) #define HAVE_ARCH_UNMAPPED_AREA #define pgtable_cache_init() do { } while (0) -#define check_pgt_cache() do { } while (0) #define PAGE_AGP PAGE_KERNEL_NOCACHE #define HAVE_PAGE_AGP 1 diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h index efc87a5aff7..19525175b91 100644 --- a/include/asm-x86_64/processor.h +++ b/include/asm-x86_64/processor.h @@ -83,7 +83,6 @@ struct cpuinfo_x86 { #define X86_VENDOR_UMC 3 #define X86_VENDOR_NEXGEN 4 #define X86_VENDOR_CENTAUR 5 -#define X86_VENDOR_RISE 6 #define X86_VENDOR_TRANSMETA 7 #define X86_VENDOR_NUM 8 #define X86_VENDOR_UNKNOWN 0xff @@ -390,17 +389,6 @@ static inline void prefetchw(void *x) #define cpu_relax() rep_nop() -/* - * NSC/Cyrix CPU indexed register access macros - */ - -#define getCx86(reg) ({ outb((reg), 0x22); inb(0x23); }) - -#define setCx86(reg, data) do { \ - outb((reg), 0x22); \ - outb((data), 0x23); \ -} while (0) - static inline void serialize_cpu(void) { __asm__ __volatile__ ("cpuid" : : : "ax", "bx", "cx", "dx"); diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h index 85255db1e82..31f20ad6587 100644 --- a/include/asm-x86_64/proto.h +++ b/include/asm-x86_64/proto.h @@ -75,8 +75,6 @@ extern void setup_node_bootmem(int nodeid, unsigned long start, unsigned long en extern void early_quirks(void); extern void check_efer(void); -extern int unhandled_signal(struct task_struct *tsk, int sig); - extern void select_idle_routine(const struct cpuinfo_x86 *c); extern unsigned long table_start, table_end; @@ -85,24 +83,6 @@ extern int exception_trace; extern unsigned cpu_khz; extern unsigned tsc_khz; -extern void no_iommu_init(void); -extern int force_iommu, no_iommu; -extern int iommu_detected; -#ifdef CONFIG_IOMMU -extern void gart_iommu_init(void); -extern void __init gart_parse_options(char *); -extern void iommu_hole_init(void); -extern int fallback_aper_order; -extern int fallback_aper_force; -extern int iommu_aperture; -extern int iommu_aperture_allowed; -extern int iommu_aperture_disabled; -extern int fix_aperture; -#else -#define iommu_aperture 0 -#define iommu_aperture_allowed 0 -#endif - extern int reboot_force; extern int notsc_setup(char *); diff --git a/include/asm-x86_64/ptrace.h b/include/asm-x86_64/ptrace.h index 5ea84dbb1e9..7f166ccb060 100644 --- a/include/asm-x86_64/ptrace.h +++ b/include/asm-x86_64/ptrace.h @@ -1,6 +1,7 @@ #ifndef _X86_64_PTRACE_H #define _X86_64_PTRACE_H +#include <linux/compiler.h> /* For __user */ #include <asm/ptrace-abi.h> #ifndef __ASSEMBLY__ diff --git a/include/asm-x86_64/resume-trace.h b/include/asm-x86_64/resume-trace.h new file mode 100644 index 00000000000..34bf998fdf6 --- /dev/null +++ b/include/asm-x86_64/resume-trace.h @@ -0,0 +1,13 @@ +#define TRACE_RESUME(user) do { \ + if (pm_trace_enabled) { \ + void *tracedata; \ + asm volatile("movq $1f,%0\n" \ + ".section .tracedata,\"a\"\n" \ + "1:\t.word %c1\n" \ + "\t.quad %c2\n" \ + ".previous" \ + :"=r" (tracedata) \ + : "i" (__LINE__), "i" (__FILE__)); \ + generate_resume_trace(tracedata, user); \ + } \ +} while (0) diff --git a/include/asm-x86_64/string.h b/include/asm-x86_64/string.h index 9505d9f4bea..e583da7918f 100644 --- a/include/asm-x86_64/string.h +++ b/include/asm-x86_64/string.h @@ -29,6 +29,9 @@ return (to); function. */ #define __HAVE_ARCH_MEMCPY 1 +#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4 +extern void *memcpy(void *to, const void *from, size_t len); +#else extern void *__memcpy(void *to, const void *from, size_t len); #define memcpy(dst,src,len) \ ({ size_t __len = (len); \ @@ -38,7 +41,7 @@ extern void *__memcpy(void *to, const void *from, size_t len); else \ __ret = __builtin_memcpy((dst),(src),__len); \ __ret; }) - +#endif #define __HAVE_ARCH_MEMSET void *memset(void *s, int c, size_t n); diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h index e4f246d62c4..02175aa1d16 100644 --- a/include/asm-x86_64/system.h +++ b/include/asm-x86_64/system.h @@ -75,19 +75,31 @@ static inline unsigned long read_cr0(void) unsigned long cr0; asm volatile("movq %%cr0,%0" : "=r" (cr0)); return cr0; -} +} static inline void write_cr0(unsigned long val) { asm volatile("movq %0,%%cr0" :: "r" (val)); -} +} + +static inline unsigned long read_cr2(void) +{ + unsigned long cr2; + asm("movq %%cr2,%0" : "=r" (cr2)); + return cr2; +} + +static inline void write_cr2(unsigned long val) +{ + asm volatile("movq %0,%%cr2" :: "r" (val)); +} static inline unsigned long read_cr3(void) { unsigned long cr3; asm("movq %%cr3,%0" : "=r" (cr3)); return cr3; -} +} static inline void write_cr3(unsigned long val) { @@ -99,17 +111,29 @@ static inline unsigned long read_cr4(void) unsigned long cr4; asm("movq %%cr4,%0" : "=r" (cr4)); return cr4; -} +} static inline void write_cr4(unsigned long val) { asm volatile("movq %0,%%cr4" :: "r" (val) : "memory"); -} +} + +static inline unsigned long read_cr8(void) +{ + unsigned long cr8; + asm("movq %%cr8,%0" : "=r" (cr8)); + return cr8; +} + +static inline void write_cr8(unsigned long val) +{ + asm volatile("movq %0,%%cr8" :: "r" (val) : "memory"); +} #define stts() write_cr0(8 | read_cr0()) #define wbinvd() \ - __asm__ __volatile__ ("wbinvd": : :"memory"); + __asm__ __volatile__ ("wbinvd": : :"memory") #endif /* __KERNEL__ */ diff --git a/include/asm-x86_64/thread_info.h b/include/asm-x86_64/thread_info.h index 10bb5a8ed68..33c72ef15a0 100644 --- a/include/asm-x86_64/thread_info.h +++ b/include/asm-x86_64/thread_info.h @@ -115,6 +115,7 @@ static inline struct thread_info *stack_thread_info(void) #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ #define TIF_SECCOMP 8 /* secure computing */ #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal */ +#define TIF_MCE_NOTIFY 10 /* notify userspace of an MCE */ /* 16 free */ #define TIF_IA32 17 /* 32bit process */ #define TIF_FORK 18 /* ret_from_fork */ @@ -133,6 +134,7 @@ static inline struct thread_info *stack_thread_info(void) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) +#define _TIF_MCE_NOTIFY (1<<TIF_MCE_NOTIFY) #define _TIF_IA32 (1<<TIF_IA32) #define _TIF_FORK (1<<TIF_FORK) #define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) diff --git a/include/asm-x86_64/timex.h b/include/asm-x86_64/timex.h index f6527e1b6c1..6ed21f44d30 100644 --- a/include/asm-x86_64/timex.h +++ b/include/asm-x86_64/timex.h @@ -9,7 +9,6 @@ #include <asm/8253pit.h> #include <asm/msr.h> #include <asm/vsyscall.h> -#include <asm/hpet.h> #include <asm/system.h> #include <asm/processor.h> #include <asm/tsc.h> diff --git a/include/asm-x86_64/tlbflush.h b/include/asm-x86_64/tlbflush.h index 8516225a838..888eb4abdd0 100644 --- a/include/asm-x86_64/tlbflush.h +++ b/include/asm-x86_64/tlbflush.h @@ -92,7 +92,11 @@ static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long st #endif -#define flush_tlb_kernel_range(start, end) flush_tlb_all() +static inline void flush_tlb_kernel_range(unsigned long start, + unsigned long end) +{ + flush_tlb_all(); +} static inline void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end) diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h index 4fd6fb23953..36e52fba796 100644 --- a/include/asm-x86_64/topology.h +++ b/include/asm-x86_64/topology.h @@ -22,7 +22,7 @@ extern int __node_distance(int, int); #define parent_node(node) (node) #define node_to_first_cpu(node) (first_cpu(node_to_cpumask[node])) #define node_to_cpumask(node) (node_to_cpumask[node]) -#define pcibus_to_node(bus) ((long)(bus->sysdata)) +#define pcibus_to_node(bus) ((struct pci_sysdata *)((bus)->sysdata))->node #define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus)); #define numa_node_id() read_pda(nodenumber) diff --git a/include/asm-x86_64/vgtod.h b/include/asm-x86_64/vgtod.h new file mode 100644 index 00000000000..3301f092934 --- /dev/null +++ b/include/asm-x86_64/vgtod.h @@ -0,0 +1,29 @@ +#ifndef _ASM_VGTOD_H +#define _ASM_VGTOD_H 1 + +#include <asm/vsyscall.h> +#include <linux/clocksource.h> + +struct vsyscall_gtod_data { + seqlock_t lock; + + /* open coded 'struct timespec' */ + time_t wall_time_sec; + u32 wall_time_nsec; + + int sysctl_enabled; + struct timezone sys_tz; + struct { /* extract of a clocksource struct */ + cycle_t (*vread)(void); + cycle_t cycle_last; + cycle_t mask; + u32 mult; + u32 shift; + } clock; + struct timespec wall_to_monotonic; +}; +extern struct vsyscall_gtod_data __vsyscall_gtod_data +__section_vsyscall_gtod_data; +extern struct vsyscall_gtod_data vsyscall_gtod_data; + +#endif diff --git a/include/asm-x86_64/vsyscall.h b/include/asm-x86_64/vsyscall.h index 82b4afe65c9..3b8ceb4af2c 100644 --- a/include/asm-x86_64/vsyscall.h +++ b/include/asm-x86_64/vsyscall.h @@ -22,6 +22,8 @@ enum vsyscall_num { /* Definitions for CONFIG_GENERIC_TIME definitions */ #define __section_vsyscall_gtod_data __attribute__ \ ((unused, __section__ (".vsyscall_gtod_data"),aligned(16))) +#define __section_vsyscall_clock __attribute__ \ + ((unused, __section__ (".vsyscall_clock"),aligned(16))) #define __vsyscall_fn __attribute__ ((unused,__section__(".vsyscall_fn"))) #define VGETCPU_RDTSCP 1 @@ -36,7 +38,6 @@ extern volatile unsigned long __jiffies; /* kernel space (writeable) */ extern int vgetcpu_mode; extern struct timezone sys_tz; -extern struct vsyscall_gtod_data_t vsyscall_gtod_data; #endif /* __KERNEL__ */ diff --git a/include/linux/acpi.h b/include/linux/acpi.h index dc234c508a6..d5680cd7746 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -88,10 +88,8 @@ int acpi_table_parse (char *id, acpi_table_handler handler); int __init acpi_table_parse_entries(char *id, unsigned long table_size, int entry_id, acpi_table_entry_handler handler, unsigned int max_entries); int acpi_table_parse_madt (enum acpi_madt_type id, acpi_table_entry_handler handler, unsigned int max_entries); -int acpi_table_parse_srat (enum acpi_srat_type id, acpi_table_entry_handler handler, unsigned int max_entries); int acpi_parse_mcfg (struct acpi_table_header *header); void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); -void acpi_table_print_srat_entry (struct acpi_subtable_header *srat); /* the following four functions are architecture-dependent */ #ifdef CONFIG_HAVE_ARCH_PARSE_SRAT @@ -233,6 +231,9 @@ extern int acpi_paddr_to_node(u64 start_addr, u64 size); extern int pnpacpi_disabled; +#define PXM_INVAL (-1) +#define NID_INVAL (-1) + #else /* CONFIG_ACPI */ static inline int acpi_boot_init(void) diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h index 8486e78f733..e0bd46eb241 100644 --- a/include/linux/clockchips.h +++ b/include/linux/clockchips.h @@ -23,6 +23,7 @@ enum clock_event_mode { CLOCK_EVT_MODE_SHUTDOWN, CLOCK_EVT_MODE_PERIODIC, CLOCK_EVT_MODE_ONESHOT, + CLOCK_EVT_MODE_RESUME, }; /* Clock event notification values */ @@ -119,10 +120,6 @@ extern void clockevents_register_device(struct clock_event_device *dev); extern void clockevents_exchange_device(struct clock_event_device *old, struct clock_event_device *new); -extern -struct clock_event_device *clockevents_request_device(unsigned int features, - cpumask_t cpumask); -extern void clockevents_release_device(struct clock_event_device *dev); extern void clockevents_set_mode(struct clock_event_device *dev, enum clock_event_mode mode); extern int clockevents_register_notifier(struct notifier_block *nb); diff --git a/include/linux/coda_linux.h b/include/linux/coda_linux.h index c4079b403e9..1c47a34aa79 100644 --- a/include/linux/coda_linux.h +++ b/include/linux/coda_linux.h @@ -36,7 +36,6 @@ extern const struct file_operations coda_ioctl_operations; /* operations shared over more than one file */ int coda_open(struct inode *i, struct file *f); -int coda_flush(struct file *f, fl_owner_t id); int coda_release(struct inode *i, struct file *f); int coda_permission(struct inode *inode, int mask, struct nameidata *nd); int coda_revalidate_inode(struct dentry *); diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h index aa8f454b3b7..07ae8f84605 100644 --- a/include/linux/coda_psdev.h +++ b/include/linux/coda_psdev.h @@ -33,9 +33,6 @@ int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *); int venus_lookup(struct super_block *sb, struct CodaFid *fid, const char *name, int length, int *type, struct CodaFid *resfid); -int venus_store(struct super_block *sb, struct CodaFid *fid, int flags, - vuid_t uid); -int venus_release(struct super_block *sb, struct CodaFid *fid, int flags); int venus_close(struct super_block *sb, struct CodaFid *fid, int flags, vuid_t uid); int venus_open(struct super_block *sb, struct CodaFid *fid, int flags, diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index a03e9398a6c..14f7494280f 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -23,3 +23,21 @@ * code */ #define uninitialized_var(x) x = x + +#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 3) +/* Mark functions as cold. gcc will assume any path leading to a call + to them will be unlikely. This means a lot of manual unlikely()s + are unnecessary now for any paths leading to the usual suspects + like BUG(), printk(), panic() etc. [but let's keep them for now for + older compilers] + + Early snapshots of gcc 4.3 don't support this and we can't detect this + in the preprocessor, but we can live with this because they're unreleased. + Maketime probing would be overkill here. + + gcc also has a __attribute__((__hot__)) to move hot functions into + a special section, but I don't see any sense in this right now in + the kernel context */ +#define __cold __attribute__((__cold__)) + +#endif diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 8287a72bb6a..12a1291855e 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -174,4 +174,13 @@ extern void __chk_io_ptr(const void __iomem *); # define __attribute_const__ /* unimplemented */ #endif +/* + * Tell gcc if a function is cold. The compiler will assume any path + * directly leading to the call is unlikely. + */ + +#ifndef __cold +#define __cold +#endif + #endif /* __LINUX_COMPILER_H */ diff --git a/include/linux/init.h b/include/linux/init.h index 5b528531633..f0d0e3295a9 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -40,10 +40,10 @@ /* These are for everybody (although not all archs will actually discard it in modules) */ -#define __init __attribute__ ((__section__ (".init.text"))) +#define __init __attribute__ ((__section__ (".init.text"))) __cold #define __initdata __attribute__ ((__section__ (".init.data"))) #define __exitdata __attribute__ ((__section__(".exit.data"))) -#define __exit_call __attribute_used__ __attribute__ ((__section__ (".exitcall.exit"))) +#define __exit_call __attribute_used__ __attribute__ ((__section__ (".exitcall.exit"))) __cold /* modpost check for section mismatches during the kernel build. * A section mismatch happens when there are references from a @@ -59,9 +59,9 @@ #define __initdata_refok __attribute__ ((__section__ (".data.init.refok"))) #ifdef MODULE -#define __exit __attribute__ ((__section__(".exit.text"))) +#define __exit __attribute__ ((__section__(".exit.text"))) __cold #else -#define __exit __attribute_used__ __attribute__ ((__section__(".exit.text"))) +#define __exit __attribute_used__ __attribute__ ((__section__(".exit.text"))) __cold #endif /* For assembly routines */ diff --git a/include/linux/irda.h b/include/linux/irda.h index 8e3735714c1..28f88ecba34 100644 --- a/include/linux/irda.h +++ b/include/linux/irda.h @@ -77,6 +77,7 @@ typedef enum { IRDA_ACT200L_DONGLE = 10, IRDA_MA600_DONGLE = 11, IRDA_TOIM3232_DONGLE = 12, + IRDA_EP7211_DONGLE = 13, } IRDA_DONGLE; /* Protocol types to be used for SOCK_DGRAM */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 1eb9cde550c..4300bb462d2 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -106,7 +106,7 @@ extern int cond_resched(void); extern struct atomic_notifier_head panic_notifier_list; extern long (*panic_blink)(long time); NORET_TYPE void panic(const char * fmt, ...) - __attribute__ ((NORET_AND format (printf, 1, 2))); + __attribute__ ((NORET_AND format (printf, 1, 2))) __cold; extern void oops_enter(void); extern void oops_exit(void); extern int oops_may_print(void); @@ -155,14 +155,14 @@ extern void dump_thread(struct pt_regs *regs, struct user *dump); asmlinkage int vprintk(const char *fmt, va_list args) __attribute__ ((format (printf, 1, 0))); asmlinkage int printk(const char * fmt, ...) - __attribute__ ((format (printf, 1, 2))); + __attribute__ ((format (printf, 1, 2))) __cold; #else static inline int vprintk(const char *s, va_list args) __attribute__ ((format (printf, 1, 0))); static inline int vprintk(const char *s, va_list args) { return 0; } static inline int printk(const char *s, ...) __attribute__ ((format (printf, 1, 2))); -static inline int printk(const char *s, ...) { return 0; } +static inline int __cold printk(const char *s, ...) { return 0; } #endif unsigned long int_sqrt(unsigned long); @@ -212,7 +212,7 @@ extern enum system_states { #define TAINT_USER (1<<6) #define TAINT_DIE (1<<7) -extern void dump_stack(void); +extern void dump_stack(void) __cold; enum { DUMP_PREFIX_NONE, diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 9820ca1e45e..4a616d73cc2 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -575,7 +575,7 @@ struct net_device /* The TX queue control structures */ unsigned int egress_subqueue_count; - struct net_device_subqueue egress_subqueue[0]; + struct net_device_subqueue egress_subqueue[1]; }; #define to_net_dev(d) container_of(d, struct net_device, dev) diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index b15c6498fe6..ced4d3f7610 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2040,6 +2040,8 @@ #define PCI_DEVICE_ID_ALTIMA_AC9100 0x03ea #define PCI_DEVICE_ID_ALTIMA_AC1003 0x03eb +#define PCI_VENDOR_ID_LENOVO 0x17aa + #define PCI_VENDOR_ID_ARECA 0x17d3 #define PCI_DEVICE_ID_ARECA_1110 0x1110 #define PCI_DEVICE_ID_ARECA_1120 0x1120 diff --git a/include/linux/resume-trace.h b/include/linux/resume-trace.h index 81e9299ca14..f3f4f28c696 100644 --- a/include/linux/resume-trace.h +++ b/include/linux/resume-trace.h @@ -2,6 +2,7 @@ #define RESUME_TRACE_H #ifdef CONFIG_PM_TRACE +#include <asm/resume-trace.h> extern int pm_trace_enabled; @@ -9,20 +10,10 @@ struct device; extern void set_trace_device(struct device *); extern void generate_resume_trace(void *tracedata, unsigned int user); -#define TRACE_DEVICE(dev) set_trace_device(dev) -#define TRACE_RESUME(user) do { \ - if (pm_trace_enabled) { \ - void *tracedata; \ - asm volatile("movl $1f,%0\n" \ - ".section .tracedata,\"a\"\n" \ - "1:\t.word %c1\n" \ - "\t.long %c2\n" \ - ".previous" \ - :"=r" (tracedata) \ - : "i" (__LINE__), "i" (__FILE__)); \ - generate_resume_trace(tracedata, user); \ - } \ -} while (0) +#define TRACE_DEVICE(dev) do { \ + if (pm_trace_enabled) \ + set_trace_device(dev); \ + } while(0) #else diff --git a/include/linux/signal.h b/include/linux/signal.h index ea91abe740d..0ae33886624 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -237,12 +237,15 @@ extern int group_send_sig_info(int sig, struct siginfo *info, struct task_struct extern int __group_send_sig_info(int, struct siginfo *, struct task_struct *); extern long do_sigpending(void __user *, unsigned long); extern int sigprocmask(int, sigset_t *, sigset_t *); +extern int show_unhandled_signals; struct pt_regs; extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie); extern struct kmem_cache *sighand_cachep; +int unhandled_signal(struct task_struct *tsk, int sig); + /* * In POSIX a signal is sent either to a specific thread (Linux task) * or to the process as a whole (Linux thread group). How the signal diff --git a/include/linux/time.h b/include/linux/time.h index ec3b0ced0af..e6aea5146e5 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -4,6 +4,7 @@ #include <linux/types.h> #ifdef __KERNEL__ +# include <linux/cache.h> # include <linux/seqlock.h> #endif @@ -94,6 +95,8 @@ extern struct timespec wall_to_monotonic; extern seqlock_t xtime_lock __attribute__((weak)); extern unsigned long read_persistent_clock(void); +extern int update_persistent_clock(struct timespec now); +extern int no_sync_cmos_clock __read_mostly; void timekeeping_init(void); static inline unsigned long get_seconds(void) diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index c2b10cae5da..89338b468d0 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -58,6 +58,13 @@ void vmalloc_sync_all(void); /* * Lowlevel-APIs (not for driver use!) */ + +static inline size_t get_vm_area_size(const struct vm_struct *area) +{ + /* return actual size without guard page */ + return area->size - PAGE_SIZE; +} + extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags); extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags, unsigned long start, unsigned long end); diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 72d034258ba..eb1ddebd2c0 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -558,7 +558,8 @@ static inline int hrtimer_enqueue_reprogram(struct hrtimer *timer, */ static int hrtimer_switch_to_hres(void) { - struct hrtimer_cpu_base *base = &__get_cpu_var(hrtimer_bases); + int cpu = smp_processor_id(); + struct hrtimer_cpu_base *base = &per_cpu(hrtimer_bases, cpu); unsigned long flags; if (base->hres_active) @@ -568,6 +569,8 @@ static int hrtimer_switch_to_hres(void) if (tick_init_highres()) { local_irq_restore(flags); + printk(KERN_WARNING "Could not switch to high resolution " + "mode on CPU %d\n", cpu); return 0; } base->hres_active = 1; @@ -683,6 +686,7 @@ static void enqueue_hrtimer(struct hrtimer *timer, struct rb_node **link = &base->active.rb_node; struct rb_node *parent = NULL; struct hrtimer *entry; + int leftmost = 1; /* * Find the right place in the rbtree: @@ -694,18 +698,19 @@ static void enqueue_hrtimer(struct hrtimer *timer, * We dont care about collisions. Nodes with * the same expiry time stay together. */ - if (timer->expires.tv64 < entry->expires.tv64) + if (timer->expires.tv64 < entry->expires.tv64) { link = &(*link)->rb_left; - else + } else { link = &(*link)->rb_right; + leftmost = 0; + } } /* * Insert the timer to the rbtree and check whether it * replaces the first pending timer */ - if (!base->first || timer->expires.tv64 < - rb_entry(base->first, struct hrtimer, node)->expires.tv64) { + if (leftmost) { /* * Reprogram the clock event device. When the timer is already * expired hrtimer_enqueue_reprogram has either called the diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index b4f1674fca7..50b81b98046 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -19,7 +19,15 @@ static struct proc_dir_entry *root_irq_dir; static int irq_affinity_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data) { - int len = cpumask_scnprintf(page, count, irq_desc[(long)data].affinity); + struct irq_desc *desc = irq_desc + (long)data; + cpumask_t *mask = &desc->affinity; + int len; + +#ifdef CONFIG_GENERIC_PENDING_IRQ + if (desc->status & IRQ_MOVE_PENDING) + mask = &desc->pending_mask; +#endif + len = cpumask_scnprintf(page, count, *mask); if (count - len < 2) return -EINVAL; diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index 7358609e473..c1a106d87d9 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -57,7 +57,7 @@ config DISABLE_CONSOLE_SUSPEND config PM_TRACE bool "Suspend/resume event tracing" - depends on PM_DEBUG && X86_32 && EXPERIMENTAL + depends on PM_DEBUG && X86 && EXPERIMENTAL default n ---help--- This enables some cheesy code to save the last PM event point in the diff --git a/kernel/signal.c b/kernel/signal.c index 39d122753ba..ef8156a6aad 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -255,6 +255,16 @@ flush_signal_handlers(struct task_struct *t, int force_default) } } +int unhandled_signal(struct task_struct *tsk, int sig) +{ + if (is_init(tsk)) + return 1; + if (tsk->ptrace & PT_PTRACED) + return 0; + return (tsk->sighand->action[sig-1].sa.sa_handler == SIG_IGN) || + (tsk->sighand->action[sig-1].sa.sa_handler == SIG_DFL); +} + /* Notify the system that a driver wants to block all signals for this * process, and wants to be notified if any signals at all were to be diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 222299844ad..ddebf3f2aff 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -1203,6 +1203,16 @@ static ctl_table fs_table[] = { }; static ctl_table debug_table[] = { +#ifdef CONFIG_X86 + { + .ctl_name = CTL_UNNUMBERED, + .procname = "exception-trace", + .data = &show_unhandled_signals, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec + }, +#endif { .ctl_name = 0 } }; diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index b5e352597cb..cd91237dbfe 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -10,6 +10,7 @@ #include <linux/mm.h> #include <linux/time.h> +#include <linux/timer.h> #include <linux/timex.h> #include <linux/jiffies.h> #include <linux/hrtimer.h> @@ -175,12 +176,64 @@ u64 current_tick_length(void) return tick_length; } +#ifdef CONFIG_GENERIC_CMOS_UPDATE -void __attribute__ ((weak)) notify_arch_cmos_timer(void) +/* Disable the cmos update - used by virtualization and embedded */ +int no_sync_cmos_clock __read_mostly; + +static void sync_cmos_clock(unsigned long dummy); + +static DEFINE_TIMER(sync_cmos_timer, sync_cmos_clock, 0, 0); + +static void sync_cmos_clock(unsigned long dummy) +{ + struct timespec now, next; + int fail = 1; + + /* + * If we have an externally synchronized Linux clock, then update + * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be + * called as close as possible to 500 ms before the new second starts. + * This code is run on a timer. If the clock is set, that timer + * may not expire at the correct time. Thus, we adjust... + */ + if (!ntp_synced()) + /* + * Not synced, exit, do not restart a timer (if one is + * running, let it run out). + */ + return; + + getnstimeofday(&now); + if (abs(xtime.tv_nsec - (NSEC_PER_SEC / 2)) <= tick_nsec / 2) + fail = update_persistent_clock(now); + + next.tv_nsec = (NSEC_PER_SEC / 2) - now.tv_nsec; + if (next.tv_nsec <= 0) + next.tv_nsec += NSEC_PER_SEC; + + if (!fail) + next.tv_sec = 659; + else + next.tv_sec = 0; + + if (next.tv_nsec >= NSEC_PER_SEC) { + next.tv_sec++; + next.tv_nsec -= NSEC_PER_SEC; + } + mod_timer(&sync_cmos_timer, jiffies + timespec_to_jiffies(&next)); +} + +static void notify_cmos_timer(void) { - return; + if (no_sync_cmos_clock) + mod_timer(&sync_cmos_timer, jiffies + 1); } +#else +static inline void notify_cmos_timer(void) { } +#endif + /* adjtimex mainly allows reading (and writing, if superuser) of * kernel time-keeping variables. used by xntpd. */ @@ -345,6 +398,6 @@ leave: if ((time_status & (STA_UNSYNC|STA_CLOCKERR)) != 0) txc->stbcnt = 0; write_sequnlock_irq(&xtime_lock); do_gettimeofday(&txc->time); - notify_arch_cmos_timer(); + notify_cmos_timer(); return(result); } diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index 8001d37071f..db8e0f3d409 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -31,6 +31,12 @@ struct tick_device tick_broadcast_device; static cpumask_t tick_broadcast_mask; static DEFINE_SPINLOCK(tick_broadcast_lock); +#ifdef CONFIG_TICK_ONESHOT +static void tick_broadcast_clear_oneshot(int cpu); +#else +static inline void tick_broadcast_clear_oneshot(int cpu) { } +#endif + /* * Debugging: see timer_list.c */ @@ -49,7 +55,7 @@ cpumask_t *tick_get_broadcast_mask(void) */ static void tick_broadcast_start_periodic(struct clock_event_device *bc) { - if (bc && bc->mode == CLOCK_EVT_MODE_SHUTDOWN) + if (bc) tick_setup_periodic(bc, 1); } @@ -99,8 +105,19 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu) cpu_set(cpu, tick_broadcast_mask); tick_broadcast_start_periodic(tick_broadcast_device.evtdev); ret = 1; - } + } else { + /* + * When the new device is not affected by the stop + * feature and the cpu is marked in the broadcast mask + * then clear the broadcast bit. + */ + if (!(dev->features & CLOCK_EVT_FEAT_C3STOP)) { + int cpu = smp_processor_id(); + cpu_clear(cpu, tick_broadcast_mask); + tick_broadcast_clear_oneshot(cpu); + } + } spin_unlock_irqrestore(&tick_broadcast_lock, flags); return ret; } @@ -299,7 +316,7 @@ void tick_suspend_broadcast(void) spin_lock_irqsave(&tick_broadcast_lock, flags); bc = tick_broadcast_device.evtdev; - if (bc && tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) + if (bc) clockevents_set_mode(bc, CLOCK_EVT_MODE_SHUTDOWN); spin_unlock_irqrestore(&tick_broadcast_lock, flags); @@ -316,6 +333,8 @@ int tick_resume_broadcast(void) bc = tick_broadcast_device.evtdev; if (bc) { + clockevents_set_mode(bc, CLOCK_EVT_MODE_RESUME); + switch (tick_broadcast_device.mode) { case TICKDEV_MODE_PERIODIC: if(!cpus_empty(tick_broadcast_mask)) @@ -485,6 +504,16 @@ out: spin_unlock_irqrestore(&tick_broadcast_lock, flags); } +/* + * Reset the one shot broadcast for a cpu + * + * Called with tick_broadcast_lock held + */ +static void tick_broadcast_clear_oneshot(int cpu) +{ + cpu_clear(cpu, tick_broadcast_oneshot_mask); +} + /** * tick_broadcast_setup_highres - setup the broadcast device for highres */ diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index a96ec9ab345..77a21abc871 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -318,12 +318,17 @@ static void tick_resume(void) { struct tick_device *td = &__get_cpu_var(tick_cpu_device); unsigned long flags; + int broadcast = tick_resume_broadcast(); spin_lock_irqsave(&tick_device_lock, flags); - if (td->mode == TICKDEV_MODE_PERIODIC) - tick_setup_periodic(td->evtdev, 0); - else - tick_resume_oneshot(); + clockevents_set_mode(td->evtdev, CLOCK_EVT_MODE_RESUME); + + if (!broadcast) { + if (td->mode == TICKDEV_MODE_PERIODIC) + tick_setup_periodic(td->evtdev, 0); + else + tick_resume_oneshot(); + } spin_unlock_irqrestore(&tick_device_lock, flags); } @@ -360,8 +365,7 @@ static int tick_notify(struct notifier_block *nb, unsigned long reason, break; case CLOCK_EVT_NOTIFY_RESUME: - if (!tick_resume_broadcast()) - tick_resume(); + tick_resume(); break; default: diff --git a/kernel/time/tick-oneshot.c b/kernel/time/tick-oneshot.c index f6997ab0c3c..0258d3115d5 100644 --- a/kernel/time/tick-oneshot.c +++ b/kernel/time/tick-oneshot.c @@ -73,8 +73,21 @@ int tick_switch_to_oneshot(void (*handler)(struct clock_event_device *)) struct clock_event_device *dev = td->evtdev; if (!dev || !(dev->features & CLOCK_EVT_FEAT_ONESHOT) || - !tick_device_is_functional(dev)) + !tick_device_is_functional(dev)) { + + printk(KERN_INFO "Clockevents: " + "could not switch to one-shot mode:"); + if (!dev) { + printk(" no tick device\n"); + } else { + if (!tick_device_is_functional(dev)) + printk(" %s is not functional.\n", dev->name); + else + printk(" %s does not support one-shot mode.\n", + dev->name); + } return -EINVAL; + } td->mode = TICKDEV_MODE_ONESHOT; dev->event_handler = handler; diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 52db9e3c526..b416995b975 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -546,6 +546,7 @@ void tick_setup_sched_timer(void) { struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched); ktime_t now = ktime_get(); + u64 offset; /* * Emulate tick processing via per-CPU hrtimers: @@ -554,8 +555,12 @@ void tick_setup_sched_timer(void) ts->sched_timer.function = tick_sched_timer; ts->sched_timer.cb_mode = HRTIMER_CB_IRQSAFE_NO_SOFTIRQ; - /* Get the next period */ + /* Get the next period (per cpu) */ ts->sched_timer.expires = tick_init_jiffy_update(); + offset = ktime_to_ns(tick_period) >> 1; + do_div(offset, NR_CPUS); + offset *= smp_processor_id(); + ts->sched_timer.expires = ktime_add_ns(ts->sched_timer.expires, offset); for (;;) { hrtimer_forward(&ts->sched_timer, now, tick_period); diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 10c13ad0d82..a7381d55663 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -357,7 +357,8 @@ map_single(struct device *hwdev, char *buffer, size_t size, int dir) * This is needed when we sync the memory. Then we sync the buffer if * needed. */ - io_tlb_orig_addr[index] = buffer; + for (i = 0; i < nslots; i++) + io_tlb_orig_addr[index+i] = buffer + (i << IO_TLB_SHIFT); if (dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL) memcpy(dma_addr, buffer, size); @@ -418,6 +419,8 @@ sync_single(struct device *hwdev, char *dma_addr, size_t size, int index = (dma_addr - io_tlb_start) >> IO_TLB_SHIFT; char *buffer = io_tlb_orig_addr[index]; + buffer += ((unsigned long)dma_addr & ((1 << IO_TLB_SHIFT) - 1)); + switch (target) { case SYNC_FOR_CPU: if (likely(dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL)) diff --git a/mm/memory.c b/mm/memory.c index 8aace3db3a5..ca8cac11bd2 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2659,8 +2659,6 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, return handle_pte_fault(mm, vma, address, pte, pmd, write_access); } -EXPORT_SYMBOL_GPL(handle_mm_fault); - #ifndef __PAGETABLE_PUD_FOLDED /* * Allocate page upper directory. diff --git a/mm/nommu.c b/mm/nommu.c index 1b105d28949..9eef6a39855 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -54,12 +54,6 @@ DECLARE_RWSEM(nommu_vma_sem); struct vm_operations_struct generic_file_vm_ops = { }; -EXPORT_SYMBOL(vfree); -EXPORT_SYMBOL(vmalloc_to_page); -EXPORT_SYMBOL(vmalloc_32); -EXPORT_SYMBOL(vmap); -EXPORT_SYMBOL(vunmap); - /* * Handle all mappings that got truncated by a "truncate()" * system call. @@ -168,7 +162,6 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, finish_or_fault: return i ? : -EFAULT; } - EXPORT_SYMBOL(get_user_pages); DEFINE_RWLOCK(vmlist_lock); @@ -178,6 +171,7 @@ void vfree(void *addr) { kfree(addr); } +EXPORT_SYMBOL(vfree); void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot) { @@ -186,17 +180,19 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot) */ return kmalloc(size, (gfp_mask | __GFP_COMP) & ~__GFP_HIGHMEM); } +EXPORT_SYMBOL(__vmalloc); struct page * vmalloc_to_page(void *addr) { return virt_to_page(addr); } +EXPORT_SYMBOL(vmalloc_to_page); unsigned long vmalloc_to_pfn(void *addr) { return page_to_pfn(virt_to_page(addr)); } - +EXPORT_SYMBOL(vmalloc_to_pfn); long vread(char *buf, char *addr, unsigned long count) { @@ -237,9 +233,8 @@ void *vmalloc_node(unsigned long size, int node) } EXPORT_SYMBOL(vmalloc_node); -/* - * vmalloc_32 - allocate virtually continguos memory (32bit addressable) - * +/** + * vmalloc_32 - allocate virtually contiguous memory (32bit addressable) * @size: allocation size * * Allocate enough 32bit PA addressable pages to cover @size from the @@ -249,17 +244,33 @@ void *vmalloc_32(unsigned long size) { return __vmalloc(size, GFP_KERNEL, PAGE_KERNEL); } +EXPORT_SYMBOL(vmalloc_32); + +/** + * vmalloc_32_user - allocate zeroed virtually contiguous 32bit memory + * @size: allocation size + * + * The resulting memory area is 32bit addressable and zeroed so it can be + * mapped to userspace without leaking data. + */ +void *vmalloc_32_user(unsigned long size) +{ + return __vmalloc(size, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL); +} +EXPORT_SYMBOL(vmalloc_32_user); void *vmap(struct page **pages, unsigned int count, unsigned long flags, pgprot_t prot) { BUG(); return NULL; } +EXPORT_SYMBOL(vmap); void vunmap(void *addr) { BUG(); } +EXPORT_SYMBOL(vunmap); /* * Implement a stub for vmalloc_sync_all() if the architecture chose not to @@ -269,6 +280,13 @@ void __attribute__((weak)) vmalloc_sync_all(void) { } +int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, + struct page *page) +{ + return -EINVAL; +} +EXPORT_SYMBOL(vm_insert_page); + /* * sys_brk() for the most part doesn't need the global kernel * lock, except when an application is doing something nasty @@ -994,6 +1012,7 @@ unsigned long do_mmap_pgoff(struct file *file, show_free_areas(); return -ENOMEM; } +EXPORT_SYMBOL(do_mmap_pgoff); /* * handle mapping disposal for uClinux @@ -1074,6 +1093,7 @@ int do_munmap(struct mm_struct *mm, unsigned long addr, size_t len) return 0; } +EXPORT_SYMBOL(do_munmap); asmlinkage long sys_munmap(unsigned long addr, size_t len) { @@ -1164,6 +1184,7 @@ unsigned long do_mremap(unsigned long addr, return vma->vm_start; } +EXPORT_SYMBOL(do_mremap); asmlinkage unsigned long sys_mremap(unsigned long addr, unsigned long old_len, unsigned long new_len, @@ -1231,7 +1252,6 @@ unsigned long get_unmapped_area(struct file *file, unsigned long addr, return get_area(file, addr, len, pgoff, flags); } - EXPORT_SYMBOL(get_unmapped_area); /* @@ -1346,6 +1366,7 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) BUG(); return 0; } +EXPORT_SYMBOL(filemap_fault); /* * Access another process' address space. diff --git a/mm/slob.c b/mm/slob.c index d50920ecc02..ec33fcdc852 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -293,6 +293,7 @@ static void *slob_page_alloc(struct slob_page *sp, size_t size, int align) static void *slob_alloc(size_t size, gfp_t gfp, int align, int node) { struct slob_page *sp; + struct list_head *prev; slob_t *b = NULL; unsigned long flags; @@ -307,12 +308,22 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node) if (node != -1 && page_to_nid(&sp->page) != node) continue; #endif + /* Enough room on this page? */ + if (sp->units < SLOB_UNITS(size)) + continue; - if (sp->units >= SLOB_UNITS(size)) { - b = slob_page_alloc(sp, size, align); - if (b) - break; - } + /* Attempt to alloc */ + prev = sp->list.prev; + b = slob_page_alloc(sp, size, align); + if (!b) + continue; + + /* Improve fragment distribution and reduce our average + * search time by starting our next search here. (see + * Knuth vol 1, sec 2.5, pg 449) */ + if (free_slob_pages.next != prev->next) + list_move_tail(&free_slob_pages, prev->next); + break; } spin_unlock_irqrestore(&slob_lock, flags); diff --git a/mm/sparse.c b/mm/sparse.c index e03b39f3540..3047bf06c1f 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -209,7 +209,7 @@ static int __meminit sparse_init_one_section(struct mem_section *ms, return 1; } -__attribute__((weak)) +__attribute__((weak)) __init void *alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size) { return NULL; diff --git a/net/core/dev.c b/net/core/dev.c index 38212c3f997..ee4035571c2 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3624,7 +3624,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name, /* ensure 32-byte alignment of both the device and private area */ alloc_size = (sizeof(*dev) + NETDEV_ALIGN_CONST + - (sizeof(struct net_device_subqueue) * queue_count)) & + (sizeof(struct net_device_subqueue) * (queue_count - 1))) & ~NETDEV_ALIGN_CONST; alloc_size += sizeof_priv + NETDEV_ALIGN_CONST; @@ -3642,7 +3642,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name, dev->priv = ((char *)dev + ((sizeof(struct net_device) + (sizeof(struct net_device_subqueue) * - queue_count) + NETDEV_ALIGN_CONST) + (queue_count - 1)) + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST)); } diff --git a/net/core/sock.c b/net/core/sock.c index bd209c4477a..cfed7d42c48 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -182,7 +182,8 @@ static const char *af_family_clock_key_strings[AF_MAX+1] = { "clock-21" , "clock-AF_SNA" , "clock-AF_IRDA" , "clock-AF_PPPOX" , "clock-AF_WANPIPE" , "clock-AF_LLC" , "clock-27" , "clock-28" , "clock-29" , - "clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_MAX" + "clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" , + "clock-AF_RXRPC" , "clock-AF_MAX" }; #endif diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c index 6cbce96a54c..771031dfbd0 100644 --- a/net/ipv4/inetpeer.c +++ b/net/ipv4/inetpeer.c @@ -158,7 +158,7 @@ static void unlink_from_unused(struct inet_peer *p) #define lookup(_daddr,_stack) \ ({ \ struct inet_peer *u, **v; \ - if (_stack) { \ + if (_stack != NULL) { \ stackptr = _stack; \ *stackptr++ = &peer_root; \ } \ @@ -169,7 +169,7 @@ static void unlink_from_unused(struct inet_peer *p) v = &u->avl_left; \ else \ v = &u->avl_right; \ - if (_stack) \ + if (_stack != NULL) \ *stackptr++ = v; \ u = *v; \ } \ diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 281aee42d3f..df30976f6df 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -962,8 +962,8 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) dsfield = ipv4_get_dsfield(iph); if ((t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)) - fl.fl6_flowlabel |= ntohl(((__u32)iph->tos << IPV6_TCLASS_SHIFT) - & IPV6_TCLASS_MASK); + fl.fl6_flowlabel |= htonl((__u32)iph->tos << IPV6_TCLASS_SHIFT) + & IPV6_TCLASS_MASK; err = ip6_tnl_xmit2(skb, dev, dsfield, &fl, encap_limit, &mtu); if (err != 0) { diff --git a/net/irda/irnetlink.c b/net/irda/irnetlink.c index db716580e1a..694ea4d92fa 100644 --- a/net/irda/irnetlink.c +++ b/net/irda/irnetlink.c @@ -1,7 +1,7 @@ /* * IrDA netlink layer, for stack configuration. * - * Copyright (c) 2007 Samuel Ortiz <samuel@sortiz> + * Copyright (c) 2007 Samuel Ortiz <samuel@sortiz.org> * * Partly based on the 802.11 nelink implementation * (see net/wireless/nl80211.c) which is: |