diff options
424 files changed, 15613 insertions, 5271 deletions
diff --git a/Documentation/Changes b/Documentation/Changes index 5eaab0441d7..27232be26e1 100644 --- a/Documentation/Changes +++ b/Documentation/Changes @@ -237,6 +237,12 @@ udev udev is a userspace application for populating /dev dynamically with only entries for devices actually present. udev replaces devfs. +FUSE +---- + +Needs libfuse 2.4.0 or later. Absolute minimum is 2.3.0 but mount +options 'direct_io' and 'kernel_cache' won't work. + Networking ========== @@ -390,6 +396,10 @@ udev ---- o <http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html> +FUSE +---- +o <http://sourceforge.net/projects/fuse> + Networking ********** diff --git a/Documentation/DocBook/libata.tmpl b/Documentation/DocBook/libata.tmpl index 375ae760dc1..b2ec780bcda 100644 --- a/Documentation/DocBook/libata.tmpl +++ b/Documentation/DocBook/libata.tmpl @@ -415,6 +415,362 @@ and other resources, etc. </sect1> </chapter> + <chapter id="libataEH"> + <title>Error handling</title> + + <para> + This chapter describes how errors are handled under libata. + Readers are advised to read SCSI EH + (Documentation/scsi/scsi_eh.txt) and ATA exceptions doc first. + </para> + + <sect1><title>Origins of commands</title> + <para> + In libata, a command is represented with struct ata_queued_cmd + or qc. qc's are preallocated during port initialization and + repetitively used for command executions. Currently only one + qc is allocated per port but yet-to-be-merged NCQ branch + allocates one for each tag and maps each qc to NCQ tag 1-to-1. + </para> + <para> + libata commands can originate from two sources - libata itself + and SCSI midlayer. libata internal commands are used for + initialization and error handling. All normal blk requests + and commands for SCSI emulation are passed as SCSI commands + through queuecommand callback of SCSI host template. + </para> + </sect1> + + <sect1><title>How commands are issued</title> + + <variablelist> + + <varlistentry><term>Internal commands</term> + <listitem> + <para> + First, qc is allocated and initialized using + ata_qc_new_init(). Although ata_qc_new_init() doesn't + implement any wait or retry mechanism when qc is not + available, internal commands are currently issued only during + initialization and error recovery, so no other command is + active and allocation is guaranteed to succeed. + </para> + <para> + Once allocated qc's taskfile is initialized for the command to + be executed. qc currently has two mechanisms to notify + completion. One is via qc->complete_fn() callback and the + other is completion qc->waiting. qc->complete_fn() callback + is the asynchronous path used by normal SCSI translated + commands and qc->waiting is the synchronous (issuer sleeps in + process context) path used by internal commands. + </para> + <para> + Once initialization is complete, host_set lock is acquired + and the qc is issued. + </para> + </listitem> + </varlistentry> + + <varlistentry><term>SCSI commands</term> + <listitem> + <para> + All libata drivers use ata_scsi_queuecmd() as + hostt->queuecommand callback. scmds can either be simulated + or translated. No qc is involved in processing a simulated + scmd. The result is computed right away and the scmd is + completed. + </para> + <para> + For a translated scmd, ata_qc_new_init() is invoked to + allocate a qc and the scmd is translated into the qc. SCSI + midlayer's completion notification function pointer is stored + into qc->scsidone. + </para> + <para> + qc->complete_fn() callback is used for completion + notification. ATA commands use ata_scsi_qc_complete() while + ATAPI commands use atapi_qc_complete(). Both functions end up + calling qc->scsidone to notify upper layer when the qc is + finished. After translation is completed, the qc is issued + with ata_qc_issue(). + </para> + <para> + Note that SCSI midlayer invokes hostt->queuecommand while + holding host_set lock, so all above occur while holding + host_set lock. + </para> + </listitem> + </varlistentry> + + </variablelist> + </sect1> + + <sect1><title>How commands are processed</title> + <para> + Depending on which protocol and which controller are used, + commands are processed differently. For the purpose of + discussion, a controller which uses taskfile interface and all + standard callbacks is assumed. + </para> + <para> + Currently 6 ATA command protocols are used. They can be + sorted into the following four categories according to how + they are processed. + </para> + + <variablelist> + <varlistentry><term>ATA NO DATA or DMA</term> + <listitem> + <para> + ATA_PROT_NODATA and ATA_PROT_DMA fall into this category. + These types of commands don't require any software + intervention once issued. Device will raise interrupt on + completion. + </para> + </listitem> + </varlistentry> + + <varlistentry><term>ATA PIO</term> + <listitem> + <para> + ATA_PROT_PIO is in this category. libata currently + implements PIO with polling. ATA_NIEN bit is set to turn + off interrupt and pio_task on ata_wq performs polling and + IO. + </para> + </listitem> + </varlistentry> + + <varlistentry><term>ATAPI NODATA or DMA</term> + <listitem> + <para> + ATA_PROT_ATAPI_NODATA and ATA_PROT_ATAPI_DMA are in this + category. packet_task is used to poll BSY bit after + issuing PACKET command. Once BSY is turned off by the + device, packet_task transfers CDB and hands off processing + to interrupt handler. + </para> + </listitem> + </varlistentry> + + <varlistentry><term>ATAPI PIO</term> + <listitem> + <para> + ATA_PROT_ATAPI is in this category. ATA_NIEN bit is set + and, as in ATAPI NODATA or DMA, packet_task submits cdb. + However, after submitting cdb, further processing (data + transfer) is handed off to pio_task. + </para> + </listitem> + </varlistentry> + </variablelist> + </sect1> + + <sect1><title>How commands are completed</title> + <para> + Once issued, all qc's are either completed with + ata_qc_complete() or time out. For commands which are handled + by interrupts, ata_host_intr() invokes ata_qc_complete(), and, + for PIO tasks, pio_task invokes ata_qc_complete(). In error + cases, packet_task may also complete commands. + </para> + <para> + ata_qc_complete() does the following. + </para> + + <orderedlist> + + <listitem> + <para> + DMA memory is unmapped. + </para> + </listitem> + + <listitem> + <para> + ATA_QCFLAG_ACTIVE is clared from qc->flags. + </para> + </listitem> + + <listitem> + <para> + qc->complete_fn() callback is invoked. If the return value of + the callback is not zero. Completion is short circuited and + ata_qc_complete() returns. + </para> + </listitem> + + <listitem> + <para> + __ata_qc_complete() is called, which does + <orderedlist> + + <listitem> + <para> + qc->flags is cleared to zero. + </para> + </listitem> + + <listitem> + <para> + ap->active_tag and qc->tag are poisoned. + </para> + </listitem> + + <listitem> + <para> + qc->waiting is claread & completed (in that order). + </para> + </listitem> + + <listitem> + <para> + qc is deallocated by clearing appropriate bit in ap->qactive. + </para> + </listitem> + + </orderedlist> + </para> + </listitem> + + </orderedlist> + + <para> + So, it basically notifies upper layer and deallocates qc. One + exception is short-circuit path in #3 which is used by + atapi_qc_complete(). + </para> + <para> + For all non-ATAPI commands, whether it fails or not, almost + the same code path is taken and very little error handling + takes place. A qc is completed with success status if it + succeeded, with failed status otherwise. + </para> + <para> + However, failed ATAPI commands require more handling as + REQUEST SENSE is needed to acquire sense data. If an ATAPI + command fails, ata_qc_complete() is invoked with error status, + which in turn invokes atapi_qc_complete() via + qc->complete_fn() callback. + </para> + <para> + This makes atapi_qc_complete() set scmd->result to + SAM_STAT_CHECK_CONDITION, complete the scmd and return 1. As + the sense data is empty but scmd->result is CHECK CONDITION, + SCSI midlayer will invoke EH for the scmd, and returning 1 + makes ata_qc_complete() to return without deallocating the qc. + This leads us to ata_scsi_error() with partially completed qc. + </para> + + </sect1> + + <sect1><title>ata_scsi_error()</title> + <para> + ata_scsi_error() is the current hostt->eh_strategy_handler() + for libata. As discussed above, this will be entered in two + cases - timeout and ATAPI error completion. This function + calls low level libata driver's eng_timeout() callback, the + standard callback for which is ata_eng_timeout(). It checks + if a qc is active and calls ata_qc_timeout() on the qc if so. + Actual error handling occurs in ata_qc_timeout(). + </para> + <para> + If EH is invoked for timeout, ata_qc_timeout() stops BMDMA and + completes the qc. Note that as we're currently in EH, we + cannot call scsi_done. As described in SCSI EH doc, a + recovered scmd should be either retried with + scsi_queue_insert() or finished with scsi_finish_command(). + Here, we override qc->scsidone with scsi_finish_command() and + calls ata_qc_complete(). + </para> + <para> + If EH is invoked due to a failed ATAPI qc, the qc here is + completed but not deallocated. The purpose of this + half-completion is to use the qc as place holder to make EH + code reach this place. This is a bit hackish, but it works. + </para> + <para> + Once control reaches here, the qc is deallocated by invoking + __ata_qc_complete() explicitly. Then, internal qc for REQUEST + SENSE is issued. Once sense data is acquired, scmd is + finished by directly invoking scsi_finish_command() on the + scmd. Note that as we already have completed and deallocated + the qc which was associated with the scmd, we don't need + to/cannot call ata_qc_complete() again. + </para> + + </sect1> + + <sect1><title>Problems with the current EH</title> + + <itemizedlist> + + <listitem> + <para> + Error representation is too crude. Currently any and all + error conditions are represented with ATA STATUS and ERROR + registers. Errors which aren't ATA device errors are treated + as ATA device errors by setting ATA_ERR bit. Better error + descriptor which can properly represent ATA and other + errors/exceptions is needed. + </para> + </listitem> + + <listitem> + <para> + When handling timeouts, no action is taken to make device + forget about the timed out command and ready for new commands. + </para> + </listitem> + + <listitem> + <para> + EH handling via ata_scsi_error() is not properly protected + from usual command processing. On EH entrance, the device is + not in quiescent state. Timed out commands may succeed or + fail any time. pio_task and atapi_task may still be running. + </para> + </listitem> + + <listitem> + <para> + Too weak error recovery. Devices / controllers causing HSM + mismatch errors and other errors quite often require reset to + return to known state. Also, advanced error handling is + necessary to support features like NCQ and hotplug. + </para> + </listitem> + + <listitem> + <para> + ATA errors are directly handled in the interrupt handler and + PIO errors in pio_task. This is problematic for advanced + error handling for the following reasons. + </para> + <para> + First, advanced error handling often requires context and + internal qc execution. + </para> + <para> + Second, even a simple failure (say, CRC error) needs + information gathering and could trigger complex error handling + (say, resetting & reconfiguring). Having multiple code + paths to gather information, enter EH and trigger actions + makes life painful. + </para> + <para> + Third, scattered EH code makes implementing low level drivers + difficult. Low level drivers override libata callbacks. If + EH is scattered over several places, each affected callbacks + should perform its part of error handling. This can be error + prone and painful. + </para> + </listitem> + + </itemizedlist> + </sect1> + </chapter> + <chapter id="libataExt"> <title>libata Library</title> !Edrivers/scsi/libata-core.c diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index 7f43b040311..1d96efec5e8 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -301,8 +301,68 @@ now, but you can do this to mark internal company procedures or just point out some special detail about the sign-off. +12) The canonical patch format -12) More references for submitting patches +The canonical patch subject line is: + + Subject: [PATCH 001/123] [<area>:] <explanation> + +The canonical patch message body contains the following: + + - A "from" line specifying the patch author. + + - An empty line. + + - The body of the explanation, which will be copied to the + permanent changelog to describe this patch. + + - The "Signed-off-by:" lines, described above, which will + also go in the changelog. + + - A marker line containing simply "---". + + - Any additional comments not suitable for the changelog. + + - The actual patch (diff output). + +The Subject line format makes it very easy to sort the emails +alphabetically by subject line - pretty much any email reader will +support that - since because the sequence number is zero-padded, +the numerical and alphabetic sort is the same. + +See further details on how to phrase the "<explanation>" in the +"Subject:" line in Andrew Morton's "The perfect patch", referenced +below. + +The "from" line must be the very first line in the message body, +and has the form: + + From: Original Author <author@example.com> + +The "from" line specifies who will be credited as the author of the +patch in the permanent changelog. If the "from" line is missing, +then the "From:" line from the email header will be used to determine +the patch author in the changelog. + +The explanation body will be committed to the permanent source +changelog, so should make sense to a competent reader who has long +since forgotten the immediate details of the discussion that might +have led to this patch. + +The "---" marker line serves the essential purpose of marking for patch +handling tools where the changelog message ends. + +One good use for the additional comments after the "---" marker is for +a diffstat, to show what files have changed, and the number of inserted +and deleted lines per file. A diffstat is especially useful on bigger +patches. Other comments relevant only to the moment or the maintainer, +not suitable for the permanent changelog, should also go here. + +See more details on the proper patch format in the following +references. + + +13) More references for submitting patches Andrew Morton, "The perfect patch" (tpp). <http://www.zip.com.au/~akpm/linux/patches/stuff/tpp.txt> @@ -310,6 +370,14 @@ Andrew Morton, "The perfect patch" (tpp). Jeff Garzik, "Linux kernel patch submission format." <http://linux.yyz.us/patch-format.html> +Greg KH, "How to piss off a kernel subsystem maintainer" + <http://www.kroah.com/log/2005/03/31/> + +Kernel Documentation/CodingStyle + <http://sosdg.org/~coywolf/lxr/source/Documentation/CodingStyle> + +Linus Torvald's mail on the canonical patch format: + <http://lkml.org/lkml/2005/4/7/183> ----------------------------------- diff --git a/Documentation/keys.txt b/Documentation/keys.txt index 0321ded4b9a..b22e7c8d059 100644 --- a/Documentation/keys.txt +++ b/Documentation/keys.txt @@ -195,8 +195,8 @@ KEY ACCESS PERMISSIONS ====================== Keys have an owner user ID, a group access ID, and a permissions mask. The mask -has up to eight bits each for user, group and other access. Only five of each -set of eight bits are defined. These permissions granted are: +has up to eight bits each for possessor, user, group and other access. Only +five of each set of eight bits are defined. These permissions granted are: (*) View @@ -241,16 +241,16 @@ about the status of the key service: type, description and permissions. The payload of the key is not available this way: - SERIAL FLAGS USAGE EXPY PERM UID GID TYPE DESCRIPTION: SUMMARY - 00000001 I----- 39 perm 1f0000 0 0 keyring _uid_ses.0: 1/4 - 00000002 I----- 2 perm 1f0000 0 0 keyring _uid.0: empty - 00000007 I----- 1 perm 1f0000 0 0 keyring _pid.1: empty - 0000018d I----- 1 perm 1f0000 0 0 keyring _pid.412: empty - 000004d2 I--Q-- 1 perm 1f0000 32 -1 keyring _uid.32: 1/4 - 000004d3 I--Q-- 3 perm 1f0000 32 -1 keyring _uid_ses.32: empty - 00000892 I--QU- 1 perm 1f0000 0 0 user metal:copper: 0 - 00000893 I--Q-N 1 35s 1f0000 0 0 user metal:silver: 0 - 00000894 I--Q-- 1 10h 1f0000 0 0 user metal:gold: 0 + SERIAL FLAGS USAGE EXPY PERM UID GID TYPE DESCRIPTION: SUMMARY + 00000001 I----- 39 perm 1f1f0000 0 0 keyring _uid_ses.0: 1/4 + 00000002 I----- 2 perm 1f1f0000 0 0 keyring _uid.0: empty + 00000007 I----- 1 perm 1f1f0000 0 0 keyring _pid.1: empty + 0000018d I----- 1 perm 1f1f0000 0 0 keyring _pid.412: empty + 000004d2 I--Q-- 1 perm 1f1f0000 32 -1 keyring _uid.32: 1/4 + 000004d3 I--Q-- 3 perm 1f1f0000 32 -1 keyring _uid_ses.32: empty + 00000892 I--QU- 1 perm 1f000000 0 0 user metal:copper: 0 + 00000893 I--Q-N 1 35s 1f1f0000 0 0 user metal:silver: 0 + 00000894 I--Q-- 1 10h 001f0000 0 0 user metal:gold: 0 The flags are: @@ -637,6 +637,34 @@ call, and the key released upon close. How to deal with conflicting keys due to two different users opening the same file is left to the filesystem author to solve. +Note that there are two different types of pointers to keys that may be +encountered: + + (*) struct key * + + This simply points to the key structure itself. Key structures will be at + least four-byte aligned. + + (*) key_ref_t + + This is equivalent to a struct key *, but the least significant bit is set + if the caller "possesses" the key. By "possession" it is meant that the + calling processes has a searchable link to the key from one of its + keyrings. There are three functions for dealing with these: + + key_ref_t make_key_ref(const struct key *key, + unsigned long possession); + + struct key *key_ref_to_ptr(const key_ref_t key_ref); + + unsigned long is_key_possessed(const key_ref_t key_ref); + + The first function constructs a key reference from a key pointer and + possession information (which must be 0 or 1 and not any other value). + + The second function retrieves the key pointer from a reference and the + third retrieves the possession flag. + When accessing a key's payload contents, certain precautions must be taken to prevent access vs modification races. See the section "Notes on accessing payload contents" for more information. @@ -665,7 +693,11 @@ payload contents" for more information. void key_put(struct key *key); - This can be called from interrupt context. If CONFIG_KEYS is not set then + Or: + + void key_ref_put(key_ref_t key_ref); + + These can be called from interrupt context. If CONFIG_KEYS is not set then the argument will not be parsed. @@ -689,13 +721,17 @@ payload contents" for more information. (*) If a keyring was found in the search, this can be further searched by: - struct key *keyring_search(struct key *keyring, - const struct key_type *type, - const char *description) + key_ref_t keyring_search(key_ref_t keyring_ref, + const struct key_type *type, + const char *description) This searches the keyring tree specified for a matching key. Error ENOKEY - is returned upon failure. If successful, the returned key will need to be - released. + is returned upon failure (use IS_ERR/PTR_ERR to determine). If successful, + the returned key will need to be released. + + The possession attribute from the keyring reference is used to control + access through the permissions mask and is propagated to the returned key + reference pointer if successful. (*) To check the validity of a key, this function can be called: @@ -732,7 +768,7 @@ More complex payload contents must be allocated and a pointer to them set in key->payload.data. One of the following ways must be selected to access the data: - (1) Unmodifyable key type. + (1) Unmodifiable key type. If the key type does not have a modify method, then the key's payload can be accessed without any form of locking, provided that it's known to be diff --git a/MAINTAINERS b/MAINTAINERS index 7d1dd5bad39..abf7f7a17ae 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -604,6 +604,15 @@ P: H. Peter Anvin M: hpa@zytor.com S: Maintained +CPUSETS +P: Paul Jackson +P: Simon Derr +M: pj@sgi.com +M: simon.derr@bull.net +L: linux-kernel@vger.kernel.org +W: http://www.bullopensource.org/cpuset/ +S: Supported + CRAMFS FILESYSTEM W: http://sourceforge.net/projects/cramfs/ S: Orphan @@ -1159,11 +1168,6 @@ L: linux1394-devel@lists.sourceforge.net W: http://www.linux1394.org/ S: Orphan -IEEE 1394 SBP2 -L: linux1394-devel@lists.sourceforge.net -W: http://www.linux1394.org/ -S: Orphan - IEEE 1394 SUBSYSTEM P: Ben Collins M: bcollins@debian.org @@ -1198,6 +1202,15 @@ L: linux1394-devel@lists.sourceforge.net W: http://www.linux1394.org/ S: Maintained +IEEE 1394 SBP2 +P: Ben Collins +M: bcollins@debian.org +P: Stefan Richter +M: stefanr@s5r6.in-berlin.de +L: linux1394-devel@lists.sourceforge.net +W: http://www.linux1394.org/ +S: Maintained + IMS TWINTURBO FRAMEBUFFER DRIVER P: Paul Mundt M: lethal@chaoticdreams.org @@ -1734,8 +1747,11 @@ S: Maintained IPVS P: Wensong Zhang M: wensong@linux-vs.org +P: Simon Horman +M: horms@verge.net.au P: Julian Anastasov M: ja@ssi.bg +L: netdev@vger.kernel.org S: Maintained NFS CLIENT @@ -1906,6 +1922,13 @@ M: joern@wh.fh-wedel.de L: linux-mtd@lists.infradead.org S: Maintained +PKTCDVD DRIVER +P: Peter Osterlund +M: petero2@telia.com +L: linux-kernel@vger.kernel.org +L: packet-writing@suse.com +S: Maintained + POSIX CLOCKS and TIMERS P: George Anzinger M: george@mvista.com @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 14 -EXTRAVERSION =-rc2 +EXTRAVERSION =-rc3 NAME=Affluent Albatross # *DOCUMENTATION* diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S index 76cc0cb5fc2..e38671c922b 100644 --- a/arch/alpha/kernel/entry.S +++ b/arch/alpha/kernel/entry.S @@ -196,6 +196,7 @@ entUna: stq $26, 208($sp) stq $27, 216($sp) stq $28, 224($sp) + mov $sp, $19 stq $gp, 232($sp) lda $8, 0x3fff stq $31, 248($sp) diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index 6f509a644bd..f9d12319e0f 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -446,16 +446,15 @@ struct unaligned_stat { /* Macro for exception fixup code to access integer registers. */ -#define una_reg(r) (regs.regs[(r) >= 16 && (r) <= 18 ? (r)+19 : (r)]) +#define una_reg(r) (regs->regs[(r) >= 16 && (r) <= 18 ? (r)+19 : (r)]) asmlinkage void do_entUna(void * va, unsigned long opcode, unsigned long reg, - unsigned long a3, unsigned long a4, unsigned long a5, - struct allregs regs) + struct allregs *regs) { long error, tmp1, tmp2, tmp3, tmp4; - unsigned long pc = regs.pc - 4; + unsigned long pc = regs->pc - 4; const struct exception_table_entry *fixup; unaligned[0].count++; @@ -636,7 +635,7 @@ got_exception: printk("Forwarding unaligned exception at %lx (%lx)\n", pc, newpc); - (®s)->pc = newpc; + regs->pc = newpc; return; } @@ -650,7 +649,7 @@ got_exception: current->comm, current->pid); printk("pc = [<%016lx>] ra = [<%016lx>] ps = %04lx\n", - pc, una_reg(26), regs.ps); + pc, una_reg(26), regs->ps); printk("r0 = %016lx r1 = %016lx r2 = %016lx\n", una_reg(0), una_reg(1), una_reg(2)); printk("r3 = %016lx r4 = %016lx r5 = %016lx\n", @@ -670,10 +669,10 @@ got_exception: una_reg(22), una_reg(23), una_reg(24)); printk("r25= %016lx r27= %016lx r28= %016lx\n", una_reg(25), una_reg(27), una_reg(28)); - printk("gp = %016lx sp = %p\n", regs.gp, ®s+1); + printk("gp = %016lx sp = %p\n", regs->gp, regs+1); dik_show_code((unsigned int *)pc); - dik_show_trace((unsigned long *)(®s+1)); + dik_show_trace((unsigned long *)(regs+1)); if (test_and_set_thread_flag (TIF_DIE_IF_KERNEL)) { printk("die_if_kernel recursion detected.\n"); diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 130e6228b58..7779f2d1aca 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -175,10 +175,10 @@ else endif @touch $@ -archprepare: maketools include/asm-arm/.arch +archprepare: maketools .PHONY: maketools FORCE -maketools: include/linux/version.h FORCE +maketools: include/linux/version.h include/asm-arm/.arch FORCE $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h # Convert bzImage to zImage diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index d7499071755..c02dc8116a1 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -68,6 +68,7 @@ static void gic_unmask_irq(unsigned int irq) writel(mask, gic_dist_base + GIC_DIST_ENABLE_SET + (irq / 32) * 4); } +#ifdef CONFIG_SMP static void gic_set_cpu(struct irqdesc *desc, unsigned int irq, unsigned int cpu) { void __iomem *reg = gic_dist_base + GIC_DIST_TARGET + (irq & ~3); @@ -78,6 +79,7 @@ static void gic_set_cpu(struct irqdesc *desc, unsigned int irq, unsigned int cpu val |= 1 << (cpu + shift); writel(val, reg); } +#endif static struct irqchip gic_chip = { .ack = gic_ack_irq, diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index a7bd8570015..e8053d16829 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -27,7 +27,6 @@ #include <linux/spinlock.h> #include <asm/hardware.h> -#include <asm/mach-types.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/mach/irq.h> diff --git a/arch/arm/configs/ixp4xx_defconfig b/arch/arm/configs/ixp4xx_defconfig index 94aafec5fb4..c279e41ed10 100644 --- a/arch/arm/configs/ixp4xx_defconfig +++ b/arch/arm/configs/ixp4xx_defconfig @@ -1,14 +1,13 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.12-rc1-bk2 -# Sun Mar 27 22:53:40 2005 +# Linux kernel version: 2.6.14-rc1-git5 +# Tue Sep 20 17:26:28 2005 # CONFIG_ARM=y CONFIG_MMU=y CONFIG_UID16=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_GENERIC_IOMAP=y # # Code maturity level options @@ -16,11 +15,13 @@ CONFIG_GENERIC_IOMAP=y CONFIG_EXPERIMENTAL=y CONFIG_CLEAN_COMPILE=y CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 # # General setup # CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_POSIX_MQUEUE is not set @@ -31,10 +32,13 @@ CONFIG_SYSCTL=y # CONFIG_HOTPLUG is not set CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set +CONFIG_INITRAMFS_SOURCE="" CONFIG_EMBEDDED=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -81,6 +85,7 @@ CONFIG_ARCH_IXP4XX=y # CONFIG_ARCH_VERSATILE is not set # CONFIG_ARCH_IMX is not set # CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_AAEC2000 is not set CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y # @@ -90,15 +95,16 @@ CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y # # IXP4xx Platforms # -# CONFIG_ARCH_AVILA is not set +CONFIG_ARCH_AVILA=y CONFIG_ARCH_ADI_COYOTE=y CONFIG_ARCH_IXDP425=y -# CONFIG_MACH_IXDPG425 is not set -# CONFIG_MACH_IXDP465 is not set +CONFIG_MACH_IXDPG425=y +CONFIG_MACH_IXDP465=y CONFIG_ARCH_IXCDP1100=y CONFIG_ARCH_PRPMC1100=y CONFIG_ARCH_IXDP4XX=y -# CONFIG_MACH_GTWX5715 is not set +CONFIG_CPU_IXP46X=y +CONFIG_MACH_GTWX5715=y # # IXP4xx Options @@ -114,7 +120,6 @@ CONFIG_CPU_32v5=y CONFIG_CPU_ABRT_EV5T=y CONFIG_CPU_CACHE_VIVT=y CONFIG_CPU_TLB_V4WBI=y -CONFIG_CPU_MINICACHE=y # # Processor Features @@ -127,9 +132,10 @@ CONFIG_DMABOUNCE=y # # Bus support # +CONFIG_ISA_DMA_API=y CONFIG_PCI=y CONFIG_PCI_LEGACY_PROC=y -CONFIG_PCI_NAMES=y +# CONFIG_PCI_DEBUG is not set # # PCCARD (PCMCIA/CardBus) support @@ -140,6 +146,15 @@ CONFIG_PCI_NAMES=y # Kernel Features # # CONFIG_PREEMPT is not set +# CONFIG_NO_IDLE_HZ is not set +# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set CONFIG_ALIGNMENT_TRAP=y # @@ -175,6 +190,241 @@ CONFIG_PM=y CONFIG_APM=y # +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=m +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_ASK_IP_FIB_HASH=y +# CONFIG_IP_FIB_TRIE is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_MULTIPLE_TABLES=y +CONFIG_IP_ROUTE_FWMARK=y +CONFIG_IP_ROUTE_MULTIPATH=y +# CONFIG_IP_ROUTE_MULTIPATH_CACHED is not set +CONFIG_IP_ROUTE_VERBOSE=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +CONFIG_NET_IPGRE=m +CONFIG_NET_IPGRE_BROADCAST=y +CONFIG_IP_MROUTE=y +CONFIG_IP_PIMSM_V1=y +CONFIG_IP_PIMSM_V2=y +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +CONFIG_INET_TUNNEL=m +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_BIC=y + +# +# IP: Virtual Server Configuration +# +CONFIG_IP_VS=m +CONFIG_IP_VS_DEBUG=y +CONFIG_IP_VS_TAB_BITS=12 + +# +# IPVS transport protocol load balancing support +# +# CONFIG_IP_VS_PROTO_TCP is not set +# CONFIG_IP_VS_PROTO_UDP is not set +# CONFIG_IP_VS_PROTO_ESP is not set +# CONFIG_IP_VS_PROTO_AH is not set + +# +# IPVS scheduler +# +CONFIG_IP_VS_RR=m +CONFIG_IP_VS_WRR=m +CONFIG_IP_VS_LC=m +CONFIG_IP_VS_WLC=m +CONFIG_IP_VS_LBLC=m +CONFIG_IP_VS_LBLCR=m +CONFIG_IP_VS_DH=m +CONFIG_IP_VS_SH=m +# CONFIG_IP_VS_SED is not set +# CONFIG_IP_VS_NQ is not set + +# +# IPVS application helper +# +# CONFIG_IPV6 is not set +CONFIG_NETFILTER=y +# CONFIG_NETFILTER_DEBUG is not set +CONFIG_BRIDGE_NETFILTER=y +# CONFIG_NETFILTER_NETLINK is not set + +# +# IP: Netfilter Configuration +# +CONFIG_IP_NF_CONNTRACK=m +# CONFIG_IP_NF_CT_ACCT is not set +# CONFIG_IP_NF_CONNTRACK_MARK is not set +# CONFIG_IP_NF_CONNTRACK_EVENTS is not set +# CONFIG_IP_NF_CT_PROTO_SCTP is not set +CONFIG_IP_NF_FTP=m +CONFIG_IP_NF_IRC=m +# CONFIG_IP_NF_NETBIOS_NS is not set +# CONFIG_IP_NF_TFTP is not set +# CONFIG_IP_NF_AMANDA is not set +CONFIG_IP_NF_QUEUE=m +CONFIG_IP_NF_IPTABLES=m +CONFIG_IP_NF_MATCH_LIMIT=m +# CONFIG_IP_NF_MATCH_IPRANGE is not set +CONFIG_IP_NF_MATCH_MAC=m +# CONFIG_IP_NF_MATCH_PKTTYPE is not set +CONFIG_IP_NF_MATCH_MARK=m +CONFIG_IP_NF_MATCH_MULTIPORT=m +CONFIG_IP_NF_MATCH_TOS=m +# CONFIG_IP_NF_MATCH_RECENT is not set +# CONFIG_IP_NF_MATCH_ECN is not set +# CONFIG_IP_NF_MATCH_DSCP is not set +CONFIG_IP_NF_MATCH_AH_ESP=m +CONFIG_IP_NF_MATCH_LENGTH=m +CONFIG_IP_NF_MATCH_TTL=m +CONFIG_IP_NF_MATCH_TCPMSS=m +# CONFIG_IP_NF_MATCH_HELPER is not set +CONFIG_IP_NF_MATCH_STATE=m +# CONFIG_IP_NF_MATCH_CONNTRACK is not set +CONFIG_IP_NF_MATCH_OWNER=m +# CONFIG_IP_NF_MATCH_PHYSDEV is not set +# CONFIG_IP_NF_MATCH_ADDRTYPE is not set +# CONFIG_IP_NF_MATCH_REALM is not set +# CONFIG_IP_NF_MATCH_SCTP is not set +# CONFIG_IP_NF_MATCH_DCCP is not set +# CONFIG_IP_NF_MATCH_COMMENT is not set +# CONFIG_IP_NF_MATCH_HASHLIMIT is not set +# CONFIG_IP_NF_MATCH_STRING is not set +CONFIG_IP_NF_FILTER=m +CONFIG_IP_NF_TARGET_REJECT=m +CONFIG_IP_NF_TARGET_LOG=m +CONFIG_IP_NF_TARGET_ULOG=m +CONFIG_IP_NF_TARGET_TCPMSS=m +CONFIG_IP_NF_NAT=m +CONFIG_IP_NF_NAT_NEEDED=y +CONFIG_IP_NF_TARGET_MASQUERADE=m +CONFIG_IP_NF_TARGET_REDIRECT=m +# CONFIG_IP_NF_TARGET_NETMAP is not set +# CONFIG_IP_NF_TARGET_SAME is not set +CONFIG_IP_NF_NAT_SNMP_BASIC=m +CONFIG_IP_NF_NAT_IRC=m +CONFIG_IP_NF_NAT_FTP=m +CONFIG_IP_NF_MANGLE=m +CONFIG_IP_NF_TARGET_TOS=m +# CONFIG_IP_NF_TARGET_ECN is not set +# CONFIG_IP_NF_TARGET_DSCP is not set +CONFIG_IP_NF_TARGET_MARK=m +# CONFIG_IP_NF_TARGET_CLASSIFY is not set +# CONFIG_IP_NF_TARGET_TTL is not set +# CONFIG_IP_NF_RAW is not set +CONFIG_IP_NF_ARPTABLES=m +CONFIG_IP_NF_ARPFILTER=m +# CONFIG_IP_NF_ARP_MANGLE is not set + +# +# Bridge: Netfilter Configuration +# +# CONFIG_BRIDGE_NF_EBTABLES is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set +CONFIG_ATM=y +CONFIG_ATM_CLIP=y +# CONFIG_ATM_CLIP_NO_ICMP is not set +CONFIG_ATM_LANE=m +CONFIG_ATM_MPOA=m +CONFIG_ATM_BR2684=m +# CONFIG_ATM_BR2684_IPFILTER is not set +CONFIG_BRIDGE=m +CONFIG_VLAN_8021Q=m +# CONFIG_DECNET is not set +CONFIG_LLC=m +# CONFIG_LLC2 is not set +CONFIG_IPX=m +# CONFIG_IPX_INTERN is not set +CONFIG_ATALK=m +CONFIG_DEV_APPLETALK=y +CONFIG_IPDDP=m +CONFIG_IPDDP_ENCAP=y +CONFIG_IPDDP_DECAP=y +CONFIG_X25=m +CONFIG_LAPB=m +# CONFIG_NET_DIVERT is not set +CONFIG_ECONET=m +CONFIG_ECONET_AUNUDP=y +CONFIG_ECONET_NATIVE=y +CONFIG_WAN_ROUTER=m +CONFIG_NET_SCHED=y +CONFIG_NET_SCH_CLK_JIFFIES=y +# CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set +# CONFIG_NET_SCH_CLK_CPU is not set +CONFIG_NET_SCH_CBQ=m +CONFIG_NET_SCH_HTB=m +# CONFIG_NET_SCH_HFSC is not set +# CONFIG_NET_SCH_ATM is not set +CONFIG_NET_SCH_PRIO=m +CONFIG_NET_SCH_RED=m +CONFIG_NET_SCH_SFQ=m +CONFIG_NET_SCH_TEQL=m +CONFIG_NET_SCH_TBF=m +CONFIG_NET_SCH_GRED=m +CONFIG_NET_SCH_DSMARK=m +# CONFIG_NET_SCH_NETEM is not set +CONFIG_NET_SCH_INGRESS=m +CONFIG_NET_QOS=y +CONFIG_NET_ESTIMATOR=y +CONFIG_NET_CLS=y +# CONFIG_NET_CLS_BASIC is not set +CONFIG_NET_CLS_TCINDEX=m +CONFIG_NET_CLS_ROUTE4=m +CONFIG_NET_CLS_ROUTE=y +CONFIG_NET_CLS_FW=m +CONFIG_NET_CLS_U32=m +# CONFIG_CLS_U32_PERF is not set +# CONFIG_NET_CLS_IND is not set +# CONFIG_CLS_U32_MARK is not set +CONFIG_NET_CLS_RSVP=m +CONFIG_NET_CLS_RSVP6=m +# CONFIG_NET_EMATCH is not set +# CONFIG_NET_CLS_ACT is not set +CONFIG_NET_CLS_POLICE=y + +# +# Network testing +# +CONFIG_NET_PKTGEN=m +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# # Device Drivers # @@ -244,6 +494,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y CONFIG_MTD_IXP4XX=y # CONFIG_MTD_EDB7312 is not set # CONFIG_MTD_PCI is not set +# CONFIG_MTD_PLATRAM is not set # # Self-contained MTD device drivers @@ -283,7 +534,6 @@ CONFIG_MTD_NAND_IDS=m # # Block devices # -# CONFIG_BLK_DEV_FD is not set # CONFIG_BLK_CPQ_DA is not set # CONFIG_BLK_CPQ_CISS_DA is not set # CONFIG_BLK_DEV_DAC960 is not set @@ -297,7 +547,6 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=8192 CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set # @@ -351,6 +600,7 @@ CONFIG_BLK_DEV_CMD64X=y CONFIG_BLK_DEV_HPT366=y # CONFIG_BLK_DEV_SC1200 is not set # CONFIG_BLK_DEV_PIIX is not set +# CONFIG_BLK_DEV_IT821X is not set # CONFIG_BLK_DEV_NS87415 is not set # CONFIG_BLK_DEV_PDC202XX_OLD is not set CONFIG_BLK_DEV_PDC202XX_NEW=y @@ -369,6 +619,7 @@ CONFIG_BLK_DEV_IDEDMA=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # @@ -379,6 +630,7 @@ CONFIG_BLK_DEV_IDEDMA=y # # Fusion MPT device support # +# CONFIG_FUSION is not set # # IEEE 1394 (FireWire) support @@ -391,235 +643,13 @@ CONFIG_BLK_DEV_IDEDMA=y # CONFIG_I2O is not set # -# Networking support -# -CONFIG_NET=y - -# -# Networking options -# -CONFIG_PACKET=m -CONFIG_PACKET_MMAP=y -CONFIG_NETLINK_DEV=m -CONFIG_UNIX=y -# CONFIG_NET_KEY is not set -CONFIG_INET=y -CONFIG_IP_MULTICAST=y -CONFIG_IP_ADVANCED_ROUTER=y -CONFIG_IP_MULTIPLE_TABLES=y -CONFIG_IP_ROUTE_FWMARK=y -CONFIG_IP_ROUTE_MULTIPATH=y -# CONFIG_IP_ROUTE_MULTIPATH_CACHED is not set -CONFIG_IP_ROUTE_VERBOSE=y -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -CONFIG_IP_PNP_BOOTP=y -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -CONFIG_NET_IPGRE=m -CONFIG_NET_IPGRE_BROADCAST=y -CONFIG_IP_MROUTE=y -CONFIG_IP_PIMSM_V1=y -CONFIG_IP_PIMSM_V2=y -# CONFIG_ARPD is not set -CONFIG_SYN_COOKIES=y -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -CONFIG_INET_TUNNEL=m -# CONFIG_IP_TCPDIAG is not set -# CONFIG_IP_TCPDIAG_IPV6 is not set - -# -# IP: Virtual Server Configuration -# -CONFIG_IP_VS=m -CONFIG_IP_VS_DEBUG=y -CONFIG_IP_VS_TAB_BITS=12 - -# -# IPVS transport protocol load balancing support -# -# CONFIG_IP_VS_PROTO_TCP is not set -# CONFIG_IP_VS_PROTO_UDP is not set -# CONFIG_IP_VS_PROTO_ESP is not set -# CONFIG_IP_VS_PROTO_AH is not set - -# -# IPVS scheduler -# -CONFIG_IP_VS_RR=m -CONFIG_IP_VS_WRR=m -CONFIG_IP_VS_LC=m -CONFIG_IP_VS_WLC=m -CONFIG_IP_VS_LBLC=m -CONFIG_IP_VS_LBLCR=m -CONFIG_IP_VS_DH=m -CONFIG_IP_VS_SH=m -# CONFIG_IP_VS_SED is not set -# CONFIG_IP_VS_NQ is not set - -# -# IPVS application helper -# -# CONFIG_IPV6 is not set -CONFIG_NETFILTER=y -# CONFIG_NETFILTER_DEBUG is not set -CONFIG_BRIDGE_NETFILTER=y - -# -# IP: Netfilter Configuration +# Network device support # -CONFIG_IP_NF_CONNTRACK=m -# CONFIG_IP_NF_CT_ACCT is not set -# CONFIG_IP_NF_CONNTRACK_MARK is not set -# CONFIG_IP_NF_CT_PROTO_SCTP is not set -CONFIG_IP_NF_FTP=m -CONFIG_IP_NF_IRC=m -# CONFIG_IP_NF_TFTP is not set -# CONFIG_IP_NF_AMANDA is not set -CONFIG_IP_NF_QUEUE=m -CONFIG_IP_NF_IPTABLES=m -CONFIG_IP_NF_MATCH_LIMIT=m -# CONFIG_IP_NF_MATCH_IPRANGE is not set -CONFIG_IP_NF_MATCH_MAC=m -# CONFIG_IP_NF_MATCH_PKTTYPE is not set -CONFIG_IP_NF_MATCH_MARK=m -CONFIG_IP_NF_MATCH_MULTIPORT=m -CONFIG_IP_NF_MATCH_TOS=m -# CONFIG_IP_NF_MATCH_RECENT is not set -# CONFIG_IP_NF_MATCH_ECN is not set -# CONFIG_IP_NF_MATCH_DSCP is not set -CONFIG_IP_NF_MATCH_AH_ESP=m -CONFIG_IP_NF_MATCH_LENGTH=m -CONFIG_IP_NF_MATCH_TTL=m -CONFIG_IP_NF_MATCH_TCPMSS=m -# CONFIG_IP_NF_MATCH_HELPER is not set -CONFIG_IP_NF_MATCH_STATE=m -# CONFIG_IP_NF_MATCH_CONNTRACK is not set -CONFIG_IP_NF_MATCH_OWNER=m -# CONFIG_IP_NF_MATCH_PHYSDEV is not set -# CONFIG_IP_NF_MATCH_ADDRTYPE is not set -# CONFIG_IP_NF_MATCH_REALM is not set -# CONFIG_IP_NF_MATCH_SCTP is not set -# CONFIG_IP_NF_MATCH_COMMENT is not set -# CONFIG_IP_NF_MATCH_HASHLIMIT is not set -CONFIG_IP_NF_FILTER=m -CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_TARGET_LOG=m -CONFIG_IP_NF_TARGET_ULOG=m -CONFIG_IP_NF_TARGET_TCPMSS=m -CONFIG_IP_NF_NAT=m -CONFIG_IP_NF_NAT_NEEDED=y -CONFIG_IP_NF_TARGET_MASQUERADE=m -CONFIG_IP_NF_TARGET_REDIRECT=m -# CONFIG_IP_NF_TARGET_NETMAP is not set -# CONFIG_IP_NF_TARGET_SAME is not set -CONFIG_IP_NF_NAT_SNMP_BASIC=m -CONFIG_IP_NF_NAT_IRC=m -CONFIG_IP_NF_NAT_FTP=m -CONFIG_IP_NF_MANGLE=m -CONFIG_IP_NF_TARGET_TOS=m -# CONFIG_IP_NF_TARGET_ECN is not set -# CONFIG_IP_NF_TARGET_DSCP is not set -CONFIG_IP_NF_TARGET_MARK=m -# CONFIG_IP_NF_TARGET_CLASSIFY is not set -# CONFIG_IP_NF_RAW is not set -CONFIG_IP_NF_ARPTABLES=m -CONFIG_IP_NF_ARPFILTER=m -# CONFIG_IP_NF_ARP_MANGLE is not set - -# -# Bridge: Netfilter Configuration -# -# CONFIG_BRIDGE_NF_EBTABLES is not set -CONFIG_XFRM=y -# CONFIG_XFRM_USER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -CONFIG_ATM=y -CONFIG_ATM_CLIP=y -# CONFIG_ATM_CLIP_NO_ICMP is not set -CONFIG_ATM_LANE=m -CONFIG_ATM_MPOA=m -CONFIG_ATM_BR2684=m -# CONFIG_ATM_BR2684_IPFILTER is not set -CONFIG_BRIDGE=m -CONFIG_VLAN_8021Q=m -# CONFIG_DECNET is not set -CONFIG_LLC=m -# CONFIG_LLC2 is not set -CONFIG_IPX=m -# CONFIG_IPX_INTERN is not set -CONFIG_ATALK=m -CONFIG_DEV_APPLETALK=y -CONFIG_IPDDP=m -CONFIG_IPDDP_ENCAP=y -CONFIG_IPDDP_DECAP=y -CONFIG_X25=m -CONFIG_LAPB=m -# CONFIG_NET_DIVERT is not set -CONFIG_ECONET=m -CONFIG_ECONET_AUNUDP=y -CONFIG_ECONET_NATIVE=y -CONFIG_WAN_ROUTER=m - -# -# QoS and/or fair queueing -# -CONFIG_NET_SCHED=y -CONFIG_NET_SCH_CLK_JIFFIES=y -# CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set -# CONFIG_NET_SCH_CLK_CPU is not set -CONFIG_NET_SCH_CBQ=m -CONFIG_NET_SCH_HTB=m -# CONFIG_NET_SCH_HFSC is not set -# CONFIG_NET_SCH_ATM is not set -CONFIG_NET_SCH_PRIO=m -CONFIG_NET_SCH_RED=m -CONFIG_NET_SCH_SFQ=m -CONFIG_NET_SCH_TEQL=m -CONFIG_NET_SCH_TBF=m -CONFIG_NET_SCH_GRED=m -CONFIG_NET_SCH_DSMARK=m -# CONFIG_NET_SCH_NETEM is not set -CONFIG_NET_SCH_INGRESS=m -CONFIG_NET_QOS=y -CONFIG_NET_ESTIMATOR=y -CONFIG_NET_CLS=y -# CONFIG_NET_CLS_BASIC is not set -CONFIG_NET_CLS_TCINDEX=m -CONFIG_NET_CLS_ROUTE4=m -CONFIG_NET_CLS_ROUTE=y -CONFIG_NET_CLS_FW=m -CONFIG_NET_CLS_U32=m -# CONFIG_CLS_U32_PERF is not set -# CONFIG_NET_CLS_IND is not set -# CONFIG_CLS_U32_MARK is not set -CONFIG_NET_CLS_RSVP=m -CONFIG_NET_CLS_RSVP6=m -# CONFIG_NET_EMATCH is not set -# CONFIG_NET_CLS_ACT is not set -CONFIG_NET_CLS_POLICE=y - -# -# Network testing -# -CONFIG_NET_PKTGEN=m -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set CONFIG_NETDEVICES=y CONFIG_DUMMY=y # CONFIG_BONDING is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set -# CONFIG_ETHERTAP is not set # # ARCnet devices @@ -627,6 +657,11 @@ CONFIG_DUMMY=y # CONFIG_ARCNET is not set # +# PHY device support +# +# CONFIG_PHYLIB is not set + +# # Ethernet (10 or 100Mbit) # CONFIG_NET_ETHERNET=y @@ -635,6 +670,7 @@ CONFIG_MII=y # CONFIG_SUNGEM is not set # CONFIG_NET_VENDOR_3COM is not set # CONFIG_SMC91X is not set +# CONFIG_DM9000 is not set # # Tulip family network device support @@ -671,13 +707,17 @@ CONFIG_EEPRO100=y # CONFIG_HAMACHI is not set # CONFIG_YELLOWFIN is not set # CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set # CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set # CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set # # Ethernet (10000 Mbit) # +# CONFIG_CHELSIO_T1 is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set @@ -702,6 +742,7 @@ CONFIG_NET_RADIO=y CONFIG_HERMES=y # CONFIG_PLX_HERMES is not set # CONFIG_TMD_HERMES is not set +# CONFIG_NORTEL_HERMES is not set CONFIG_PCI_HERMES=y # CONFIG_ATMEL is not set @@ -709,6 +750,7 @@ CONFIG_PCI_HERMES=y # Prism GT/Duette 802.11(a/b/g) PCI/Cardbus support # # CONFIG_PRISM54 is not set +# CONFIG_HOSTAP is not set CONFIG_NET_WIRELESS=y # @@ -758,6 +800,8 @@ CONFIG_ATM_TCP=m # CONFIG_SLIP is not set # CONFIG_SHAPER is not set # CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set # # ISDN subsystem @@ -795,7 +839,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # # CONFIG_SERIO is not set # CONFIG_GAMEPORT is not set -CONFIG_SOUND_GAMEPORT=y # # Character devices @@ -816,6 +859,7 @@ CONFIG_SERIAL_8250_NR_UARTS=2 # CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -882,12 +926,11 @@ CONFIG_I2C_ALGOBIT=y # 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_IOP3XX is not set -# CONFIG_I2C_ISA is not set CONFIG_I2C_IXP4XX=y # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_PARPORT_LIGHT is not set -# CONFIG_I2C_PIIX4 is not set # CONFIG_I2C_PROSAVAGE is not set # CONFIG_I2C_SAVAGE4 is not set # CONFIG_SCx200_ACB is not set @@ -901,14 +944,33 @@ CONFIG_I2C_IXP4XX=y # CONFIG_I2C_PCA_ISA is not set # -# Hardware Sensors Chip support +# Miscellaneous I2C Chip support # -CONFIG_I2C_SENSOR=y +# CONFIG_SENSORS_DS1337 is not set +# CONFIG_SENSORS_DS1374 is not set +CONFIG_SENSORS_EEPROM=y +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_RTC8564 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 + +# +# Hardware Monitoring support +# +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set # CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set # CONFIG_SENSORS_ASB100 is not set +# CONFIG_SENSORS_ATXP1 is not set # CONFIG_SENSORS_DS1621 is not set # CONFIG_SENSORS_FSCHER is not set # CONFIG_SENSORS_FSCPOS is not set @@ -924,30 +986,26 @@ CONFIG_I2C_SENSOR=y # 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_PC87360 is not set -# CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_VIA686A is not set # CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83792D is not set # CONFIG_SENSORS_W83L785TS is not set # CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set # -# Other I2C Chip support +# Misc devices # -CONFIG_SENSORS_EEPROM=y -# CONFIG_SENSORS_PCF8574 is not set -# CONFIG_SENSORS_PCF8591 is not set -# CONFIG_SENSORS_RTC8564 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 # -# Misc devices +# Multimedia Capabilities Port drivers # # @@ -994,6 +1052,7 @@ CONFIG_EXT2_FS=y CONFIG_EXT2_FS_XATTR=y CONFIG_EXT2_FS_POSIX_ACL=y # CONFIG_EXT2_FS_SECURITY is not set +# CONFIG_EXT2_FS_XIP is not set CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y CONFIG_EXT3_FS_POSIX_ACL=y @@ -1004,17 +1063,15 @@ CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y - -# -# XFS support -# # CONFIG_XFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set # # CD-ROM/DVD Filesystems @@ -1034,12 +1091,10 @@ CONFIG_DNOTIFY=y # CONFIG_PROC_FS=y CONFIG_SYSFS=y -# CONFIG_DEVFS_FS is not set -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y +# CONFIG_RELAYFS_FS is not set # # Miscellaneous filesystems @@ -1054,8 +1109,7 @@ CONFIG_RAMFS=y # CONFIG_JFFS_FS is not set CONFIG_JFFS2_FS=y CONFIG_JFFS2_FS_DEBUG=0 -# CONFIG_JFFS2_FS_NAND is not set -# CONFIG_JFFS2_FS_NOR_ECC is not set +CONFIG_JFFS2_FS_WRITEBUFFER=y # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set CONFIG_JFFS2_ZLIB=y CONFIG_JFFS2_RTIME=y @@ -1072,12 +1126,14 @@ CONFIG_JFFS2_RTIME=y # CONFIG_NFS_FS=y CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set # CONFIG_NFS_V4 is not set # CONFIG_NFS_DIRECTIO is not set # CONFIG_NFSD is not set CONFIG_ROOT_NFS=y CONFIG_LOCKD=y CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set @@ -1086,6 +1142,7 @@ 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 @@ -1124,6 +1181,7 @@ CONFIG_MSDOS_PARTITION=y CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y CONFIG_LOG_BUF_SHIFT=14 +CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_SPINLOCK is not set @@ -1158,6 +1216,7 @@ CONFIG_DEBUG_LL=y # Library routines # # CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y diff --git a/arch/arm/kernel/io.c b/arch/arm/kernel/io.c index 6c20c1188b6..1f6822dfae7 100644 --- a/arch/arm/kernel/io.c +++ b/arch/arm/kernel/io.c @@ -7,7 +7,7 @@ * Copy data from IO memory space to "real" memory space. * This needs to be optimized. */ -void _memcpy_fromio(void *to, void __iomem *from, size_t count) +void _memcpy_fromio(void *to, const volatile void __iomem *from, size_t count) { unsigned char *t = to; while (count) { @@ -22,7 +22,7 @@ void _memcpy_fromio(void *to, void __iomem *from, size_t count) * Copy data from "real" memory space to IO memory space. * This needs to be optimized. */ -void _memcpy_toio(void __iomem *to, const void *from, size_t count) +void _memcpy_toio(volatile void __iomem *to, const void *from, size_t count) { const unsigned char *f = from; while (count) { @@ -37,7 +37,7 @@ void _memcpy_toio(void __iomem *to, const void *from, size_t count) * "memset" on IO memory space. * This needs to be optimized. */ -void _memset_io(void __iomem *dst, int c, size_t count) +void _memset_io(volatile void __iomem *dst, int c, size_t count) { while (count) { count--; diff --git a/arch/arm/mach-clps711x/fortunet.c b/arch/arm/mach-clps711x/fortunet.c index f83a59761e0..3d88da0c287 100644 --- a/arch/arm/mach-clps711x/fortunet.c +++ b/arch/arm/mach-clps711x/fortunet.c @@ -31,6 +31,8 @@ #include <asm/mach/arch.h> +#include <asm/memory.h> + #include "common.h" struct meminfo memmap = { diff --git a/arch/arm/mach-imx/leds-mx1ads.c b/arch/arm/mach-imx/leds-mx1ads.c index e6399b06e4a..79236404aec 100644 --- a/arch/arm/mach-imx/leds-mx1ads.c +++ b/arch/arm/mach-imx/leds-mx1ads.c @@ -17,7 +17,6 @@ #include <asm/system.h> #include <asm/io.h> #include <asm/leds.h> -#include <asm/mach-types.h> #include "leds.h" /* diff --git a/arch/arm/mach-iop3xx/common.c b/arch/arm/mach-iop3xx/common.c index bda7394ec06..fdeeef489a7 100644 --- a/arch/arm/mach-iop3xx/common.c +++ b/arch/arm/mach-iop3xx/common.c @@ -27,7 +27,6 @@ unsigned long iop3xx_pcibios_min_mem = 0; /* * Default power-off for EP80219 */ -#include <asm/mach-types.h> static inline void ep80219_send_to_pic(__u8 c) { } diff --git a/arch/arm/mach-iop3xx/iop321-time.c b/arch/arm/mach-iop3xx/iop321-time.c index 0039793b694..d67ac0e5d43 100644 --- a/arch/arm/mach-iop3xx/iop321-time.c +++ b/arch/arm/mach-iop3xx/iop321-time.c @@ -23,7 +23,6 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/uaccess.h> -#include <asm/mach-types.h> #include <asm/mach/irq.h> #include <asm/mach/time.h> diff --git a/arch/arm/mach-iop3xx/iop331-time.c b/arch/arm/mach-iop3xx/iop331-time.c index 8eddfac7e2b..3c1f0ebbd63 100644 --- a/arch/arm/mach-iop3xx/iop331-time.c +++ b/arch/arm/mach-iop3xx/iop331-time.c @@ -23,7 +23,6 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/uaccess.h> -#include <asm/mach-types.h> #include <asm/mach/irq.h> #include <asm/mach/time.h> diff --git a/arch/arm/mach-iop3xx/iq31244-mm.c b/arch/arm/mach-iop3xx/iq31244-mm.c index b01042f7de7..55992ab586b 100644 --- a/arch/arm/mach-iop3xx/iq31244-mm.c +++ b/arch/arm/mach-iop3xx/iq31244-mm.c @@ -21,7 +21,6 @@ #include <asm/page.h> #include <asm/mach/map.h> -#include <asm/mach-types.h> /* diff --git a/arch/arm/mach-iop3xx/iq80321-mm.c b/arch/arm/mach-iop3xx/iq80321-mm.c index 1580c7ed2b9..bb3e9e5a9af 100644 --- a/arch/arm/mach-iop3xx/iq80321-mm.c +++ b/arch/arm/mach-iop3xx/iq80321-mm.c @@ -21,7 +21,6 @@ #include <asm/page.h> #include <asm/mach/map.h> -#include <asm/mach-types.h> /* diff --git a/arch/arm/mach-iop3xx/iq80331-mm.c b/arch/arm/mach-iop3xx/iq80331-mm.c index ee8c333e115..129eb49b067 100644 --- a/arch/arm/mach-iop3xx/iq80331-mm.c +++ b/arch/arm/mach-iop3xx/iq80331-mm.c @@ -21,7 +21,6 @@ #include <asm/page.h> #include <asm/mach/map.h> -#include <asm/mach-types.h> /* diff --git a/arch/arm/mach-iop3xx/iq80332-mm.c b/arch/arm/mach-iop3xx/iq80332-mm.c index 084afcdfb1e..2feaf7591f5 100644 --- a/arch/arm/mach-iop3xx/iq80332-mm.c +++ b/arch/arm/mach-iop3xx/iq80332-mm.c @@ -21,7 +21,6 @@ #include <asm/page.h> #include <asm/mach/map.h> -#include <asm/mach-types.h> /* diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c index 74bd2fd602d..f4d7f1f6ef8 100644 --- a/arch/arm/mach-ixp2000/core.c +++ b/arch/arm/mach-ixp2000/core.c @@ -30,7 +30,6 @@ #include <asm/setup.h> #include <asm/memory.h> #include <asm/hardware.h> -#include <asm/mach-types.h> #include <asm/irq.h> #include <asm/system.h> #include <asm/tlbflush.h> @@ -168,7 +167,7 @@ static struct plat_serial8250_port ixp2000_serial_port[] = { static struct resource ixp2000_uart_resource = { .start = IXP2000_UART_PHYS_BASE, - .end = IXP2000_UART_PHYS_BASE + 0xffff, + .end = IXP2000_UART_PHYS_BASE + 0x1f, .flags = IORESOURCE_MEM, }; diff --git a/arch/arm/mach-ixp2000/pci.c b/arch/arm/mach-ixp2000/pci.c index 0788fb2b5c1..522205acb31 100644 --- a/arch/arm/mach-ixp2000/pci.c +++ b/arch/arm/mach-ixp2000/pci.c @@ -28,7 +28,6 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/system.h> -#include <asm/mach-types.h> #include <asm/hardware.h> #include <asm/mach/pci.h> diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 52ad11328e9..36b6045213e 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -125,7 +125,8 @@ static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type) } else if (type & IRQT_LOW) { int_style = IXP4XX_GPIO_STYLE_ACTIVE_LOW; irq_type = IXP4XX_IRQ_LEVEL; - } + } else + return -EINVAL; ixp4xx_config_irq(irq, irq_type); @@ -142,6 +143,8 @@ static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type) /* Set the new style */ *int_reg |= (int_style << (line * IXP4XX_GPIO_STYLE_SIZE)); + + return 0; } static void ixp4xx_irq_mask(unsigned int irq) diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c index 39b06ed8064..0a41080d226 100644 --- a/arch/arm/mach-ixp4xx/ixdp425-setup.c +++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c @@ -123,7 +123,7 @@ static void __init ixdp425_init(void) platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices)); } -#ifdef CONFIG_ARCH_IXDP465 +#ifdef CONFIG_ARCH_IXDP425 MACHINE_START(IXDP425, "Intel IXDP425 Development Platform") /* Maintainer: MontaVista Software, Inc. */ .phys_ram = PHYS_OFFSET, diff --git a/arch/arm/mach-l7200/core.c b/arch/arm/mach-l7200/core.c index 2a7fee2a763..5fd8c9f97f9 100644 --- a/arch/arm/mach-l7200/core.c +++ b/arch/arm/mach-l7200/core.c @@ -12,7 +12,6 @@ #include <asm/page.h> #include <asm/mach/map.h> -#include <asm/arch/hardware.h> /* * IRQ base register diff --git a/arch/arm/mach-pxa/corgi_lcd.c b/arch/arm/mach-pxa/corgi_lcd.c index c5efcd04fcb..c02ef7c0f7e 100644 --- a/arch/arm/mach-pxa/corgi_lcd.c +++ b/arch/arm/mach-pxa/corgi_lcd.c @@ -19,7 +19,6 @@ #include <linux/kernel.h> #include <linux/device.h> #include <linux/module.h> -#include <asm/mach-types.h> #include <asm/arch/akita.h> #include <asm/arch/corgi.h> #include <asm/arch/hardware.h> diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index a45aaa115a7..d0660a8c4b7 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c @@ -34,6 +34,7 @@ #include <asm/arch/udc.h> #include <asm/arch/pxafb.h> #include <asm/arch/mmc.h> +#include <asm/arch/i2c.h> #include "generic.h" diff --git a/arch/arm/mach-s3c2410/usb-simtec.c b/arch/arm/mach-s3c2410/usb-simtec.c index f021fd82be5..5098b50158a 100644 --- a/arch/arm/mach-s3c2410/usb-simtec.c +++ b/arch/arm/mach-s3c2410/usb-simtec.c @@ -40,7 +40,6 @@ #include <asm/hardware.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/mach-types.h> #include "devs.h" #include "usb-simtec.h" diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 3c8862fde51..a30e0451df7 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -30,7 +30,6 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/leds.h> -#include <asm/mach-types.h> #include <asm/hardware/amba.h> #include <asm/hardware/amba_clcd.h> #include <asm/hardware/arm_timer.h> @@ -52,8 +51,9 @@ * * Setup a VA for the Versatile Vectored Interrupt Controller. */ -#define VA_VIC_BASE IO_ADDRESS(VERSATILE_VIC_BASE) -#define VA_SIC_BASE IO_ADDRESS(VERSATILE_SIC_BASE) +#define __io_address(n) __io(IO_ADDRESS(n)) +#define VA_VIC_BASE __io_address(VERSATILE_VIC_BASE) +#define VA_SIC_BASE __io_address(VERSATILE_SIC_BASE) static void vic_mask_irq(unsigned int irq) { @@ -214,7 +214,7 @@ void __init versatile_map_io(void) iotable_init(versatile_io_desc, ARRAY_SIZE(versatile_io_desc)); } -#define VERSATILE_REFCOUNTER (IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_24MHz_OFFSET) +#define VERSATILE_REFCOUNTER (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_24MHz_OFFSET) /* * This is the Versatile sched_clock implementation. This has @@ -231,7 +231,7 @@ unsigned long long sched_clock(void) } -#define VERSATILE_FLASHCTRL (IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_FLASH_OFFSET) +#define VERSATILE_FLASHCTRL (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_FLASH_OFFSET) static int versatile_flash_init(void) { @@ -309,7 +309,7 @@ static struct platform_device smc91x_device = { .resource = smc91x_resources, }; -#define VERSATILE_SYSMCI (IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_MCI_OFFSET) +#define VERSATILE_SYSMCI (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_MCI_OFFSET) unsigned int mmc_status(struct device *dev) { @@ -343,11 +343,11 @@ static const struct icst307_params versatile_oscvco_params = { static void versatile_oscvco_set(struct clk *clk, struct icst307_vco vco) { - unsigned long sys_lock = IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_LOCK_OFFSET; + void __iomem *sys_lock = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_LOCK_OFFSET; #if defined(CONFIG_ARCH_VERSATILE_PB) - unsigned long sys_osc = IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_OSC4_OFFSET; + void __iomem *sys_osc = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_OSC4_OFFSET; #elif defined(CONFIG_MACH_VERSATILE_AB) - unsigned long sys_osc = IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_OSC1_OFFSET; + void __iomem *sys_osc = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_OSC1_OFFSET; #endif u32 val; @@ -483,7 +483,7 @@ static struct clcd_panel epson_2_2_in = { */ static struct clcd_panel *versatile_clcd_panel(void) { - unsigned long sys_clcd = IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET; + void __iomem *sys_clcd = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET; struct clcd_panel *panel = &vga; u32 val; @@ -510,7 +510,7 @@ static struct clcd_panel *versatile_clcd_panel(void) */ static void versatile_clcd_disable(struct clcd_fb *fb) { - unsigned long sys_clcd = IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET; + void __iomem *sys_clcd = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET; u32 val; val = readl(sys_clcd); @@ -522,7 +522,7 @@ static void versatile_clcd_disable(struct clcd_fb *fb) * If the LCD is Sanyo 2x5 in on the IB2 board, turn the back-light off */ if (fb->panel == &sanyo_2_5_in) { - unsigned long versatile_ib2_ctrl = IO_ADDRESS(VERSATILE_IB2_CTRL); + void __iomem *versatile_ib2_ctrl = __io_address(VERSATILE_IB2_CTRL); unsigned long ctrl; ctrl = readl(versatile_ib2_ctrl); @@ -537,7 +537,7 @@ static void versatile_clcd_disable(struct clcd_fb *fb) */ static void versatile_clcd_enable(struct clcd_fb *fb) { - unsigned long sys_clcd = IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET; + void __iomem *sys_clcd = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_CLCD_OFFSET; u32 val; val = readl(sys_clcd); @@ -571,7 +571,7 @@ static void versatile_clcd_enable(struct clcd_fb *fb) * If the LCD is Sanyo 2x5 in on the IB2 board, turn the back-light on */ if (fb->panel == &sanyo_2_5_in) { - unsigned long versatile_ib2_ctrl = IO_ADDRESS(VERSATILE_IB2_CTRL); + void __iomem *versatile_ib2_ctrl = __io_address(VERSATILE_IB2_CTRL); unsigned long ctrl; ctrl = readl(versatile_ib2_ctrl); @@ -720,7 +720,7 @@ static struct amba_device *amba_devs[] __initdata = { }; #ifdef CONFIG_LEDS -#define VA_LEDS_BASE (IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_LED_OFFSET) +#define VA_LEDS_BASE (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_LED_OFFSET) static void versatile_leds_event(led_event_t ledevt) { @@ -778,11 +778,11 @@ void __init versatile_init(void) /* * Where is the timer (VA)? */ -#define TIMER0_VA_BASE IO_ADDRESS(VERSATILE_TIMER0_1_BASE) -#define TIMER1_VA_BASE (IO_ADDRESS(VERSATILE_TIMER0_1_BASE) + 0x20) -#define TIMER2_VA_BASE IO_ADDRESS(VERSATILE_TIMER2_3_BASE) -#define TIMER3_VA_BASE (IO_ADDRESS(VERSATILE_TIMER2_3_BASE) + 0x20) -#define VA_IC_BASE IO_ADDRESS(VERSATILE_VIC_BASE) +#define TIMER0_VA_BASE __io_address(VERSATILE_TIMER0_1_BASE) +#define TIMER1_VA_BASE (__io_address(VERSATILE_TIMER0_1_BASE) + 0x20) +#define TIMER2_VA_BASE __io_address(VERSATILE_TIMER2_3_BASE) +#define TIMER3_VA_BASE (__io_address(VERSATILE_TIMER2_3_BASE) + 0x20) +#define VA_IC_BASE __io_address(VERSATILE_VIC_BASE) /* * How long is the timer interval? @@ -877,12 +877,12 @@ static void __init versatile_timer_init(void) * VERSATILE_REFCLK is 32KHz * VERSATILE_TIMCLK is 1MHz */ - val = readl(IO_ADDRESS(VERSATILE_SCTL_BASE)); + val = readl(__io_address(VERSATILE_SCTL_BASE)); writel((VERSATILE_TIMCLK << VERSATILE_TIMER1_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER2_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER3_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel) | val, - IO_ADDRESS(VERSATILE_SCTL_BASE)); + __io_address(VERSATILE_SCTL_BASE)); /* * Initialise to a known state (all timers off) diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c index d1565e851f0..b80d57d5169 100644 --- a/arch/arm/mach-versatile/pci.c +++ b/arch/arm/mach-versatile/pci.c @@ -29,7 +29,6 @@ #include <asm/irq.h> #include <asm/system.h> #include <asm/mach/pci.h> -#include <asm/mach-types.h> /* * these spaces are mapped using the following base registers: diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S index 8f76f3df7b4..dbd34603312 100644 --- a/arch/arm/mm/abort-ev6.S +++ b/arch/arm/mm/abort-ev6.S @@ -20,6 +20,11 @@ */ .align 5 ENTRY(v6_early_abort) +#ifdef CONFIG_CPU_MPCORE + clrex +#else + strex r0, r1, [sp] @ Clear the exclusive monitor +#endif mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR /* diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S index 85c10a71e7c..72966d90e95 100644 --- a/arch/arm/mm/cache-v6.S +++ b/arch/arm/mm/cache-v6.S @@ -18,6 +18,7 @@ #define HARVARD_CACHE #define CACHE_LINE_SIZE 32 #define D_CACHE_LINE_SIZE 32 +#define BTB_FLUSH_SIZE 8 /* * v6_flush_cache_all() @@ -98,7 +99,13 @@ ENTRY(v6_coherent_user_range) mcr p15, 0, r0, c7, c5, 1 @ invalidate I line #endif mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry - add r0, r0, #CACHE_LINE_SIZE + add r0, r0, #BTB_FLUSH_SIZE + mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry + add r0, r0, #BTB_FLUSH_SIZE + mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry + add r0, r0, #BTB_FLUSH_SIZE + mcr p15, 0, r0, c7, c5, 7 @ invalidate BTB entry + add r0, r0, #BTB_FLUSH_SIZE cmp r0, r1 blo 1b #ifdef HARVARD_CACHE diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index b0208c99257..c9a03981b78 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -17,6 +17,24 @@ #ifdef CONFIG_CPU_CACHE_VIPT +#define ALIAS_FLUSH_START 0xffff4000 + +#define TOP_PTE(x) pte_offset_kernel(top_pmd, x) + +static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) +{ + unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT); + + set_pte(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL)); + flush_tlb_kernel_page(to); + + asm( "mcrr p15, 0, %1, %0, c14\n" + " mcrr p15, 0, %1, %0, c5\n" + : + : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES) + : "cc"); +} + void flush_cache_mm(struct mm_struct *mm) { if (cache_is_vivt()) { @@ -67,24 +85,6 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsig if (cache_is_vipt_aliasing()) flush_pfn_alias(pfn, user_addr); } - -#define ALIAS_FLUSH_START 0xffff4000 - -#define TOP_PTE(x) pte_offset_kernel(top_pmd, x) - -static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) -{ - unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT); - - set_pte(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL)); - flush_tlb_kernel_page(to); - - asm( "mcrr p15, 0, %1, %0, c14\n" - " mcrr p15, 0, %1, %0, c5\n" - : - : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES) - : "cc"); -} #else #define flush_pfn_alias(pfn,vaddr) do { } while (0) #endif diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c index 6cb20aea7f5..02bcc6c1cd1 100644 --- a/arch/arm/plat-omap/common.c +++ b/arch/arm/plat-omap/common.c @@ -25,7 +25,6 @@ #include <asm/mach/map.h> #include <asm/hardware/clock.h> #include <asm/io.h> -#include <asm/mach-types.h> #include <asm/setup.h> #include <asm/arch/board.h> diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c index 409aac2c4b9..fd894bb0010 100644 --- a/arch/arm/plat-omap/cpu-omap.c +++ b/arch/arm/plat-omap/cpu-omap.c @@ -21,7 +21,6 @@ #include <linux/err.h> #include <asm/hardware.h> -#include <asm/mach-types.h> #include <asm/io.h> #include <asm/system.h> diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c index 98f1c76f866..14a836d7ac2 100644 --- a/arch/arm/plat-omap/usb.c +++ b/arch/arm/plat-omap/usb.c @@ -33,7 +33,6 @@ #include <asm/irq.h> #include <asm/system.h> #include <asm/hardware.h> -#include <asm/mach-types.h> #include <asm/arch/mux.h> #include <asm/arch/usb.h> diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index a63351c085c..b66c13c0cc0 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c @@ -27,15 +27,14 @@ #include <linux/config.h> #include <linux/acpi.h> #include <linux/efi.h> -#include <linux/irq.h> #include <linux/module.h> #include <linux/dmi.h> +#include <linux/irq.h> #include <asm/pgtable.h> #include <asm/io_apic.h> #include <asm/apic.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/mpspec.h> #ifdef CONFIG_X86_64 diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index a22a866de8f..5546ddebec3 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -18,7 +18,6 @@ #include <linux/init.h> #include <linux/mm.h> -#include <linux/irq.h> #include <linux/delay.h> #include <linux/bootmem.h> #include <linux/smp_lock.h> diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c index 73aeaf5a9d4..4c1ddf2b57c 100644 --- a/arch/i386/kernel/cpu/amd.c +++ b/arch/i386/kernel/cpu/amd.c @@ -28,6 +28,22 @@ static void __init init_amd(struct cpuinfo_x86 *c) int mbytes = num_physpages >> (20-PAGE_SHIFT); int r; +#ifdef CONFIG_SMP + unsigned long value; + + /* Disable TLB flush filter by setting HWCR.FFDIS on K8 + * bit 6 of msr C001_0015 + * + * Errata 63 for SH-B3 steppings + * Errata 122 for all steppings (F+ have it disabled by default) + */ + if (c->x86 == 15) { + rdmsrl(MSR_K7_HWCR, value); + value |= 1 << 6; + wrmsrl(MSR_K7_HWCR, value); + } +#endif + /* * FIXME: We should handle the K5 here. Set up the write * range and also turn on MSR 83 bits 4 and 31 (write alloc, diff --git a/arch/i386/kernel/cpu/mcheck/k7.c b/arch/i386/kernel/cpu/mcheck/k7.c index c4abe765739..7c6b9c73522 100644 --- a/arch/i386/kernel/cpu/mcheck/k7.c +++ b/arch/i386/kernel/cpu/mcheck/k7.c @@ -7,7 +7,6 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/config.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <linux/smp.h> diff --git a/arch/i386/kernel/cpu/mcheck/non-fatal.c b/arch/i386/kernel/cpu/mcheck/non-fatal.c index 7864ddfccf0..82dffe0d495 100644 --- a/arch/i386/kernel/cpu/mcheck/non-fatal.c +++ b/arch/i386/kernel/cpu/mcheck/non-fatal.c @@ -12,7 +12,6 @@ #include <linux/kernel.h> #include <linux/jiffies.h> #include <linux/config.h> -#include <linux/irq.h> #include <linux/workqueue.h> #include <linux/interrupt.h> #include <linux/smp.h> diff --git a/arch/i386/kernel/cpu/mcheck/p4.c b/arch/i386/kernel/cpu/mcheck/p4.c index 0abccb6fdf9..1d1e885f500 100644 --- a/arch/i386/kernel/cpu/mcheck/p4.c +++ b/arch/i386/kernel/cpu/mcheck/p4.c @@ -6,7 +6,6 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/config.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <linux/smp.h> diff --git a/arch/i386/kernel/cpu/mcheck/p5.c b/arch/i386/kernel/cpu/mcheck/p5.c index ec0614cd292..3a2e24baddc 100644 --- a/arch/i386/kernel/cpu/mcheck/p5.c +++ b/arch/i386/kernel/cpu/mcheck/p5.c @@ -6,7 +6,6 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <linux/smp.h> diff --git a/arch/i386/kernel/cpu/mcheck/p6.c b/arch/i386/kernel/cpu/mcheck/p6.c index f01b73f947e..3c035b8fa3d 100644 --- a/arch/i386/kernel/cpu/mcheck/p6.c +++ b/arch/i386/kernel/cpu/mcheck/p6.c @@ -6,7 +6,6 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <linux/smp.h> diff --git a/arch/i386/kernel/cpu/mcheck/winchip.c b/arch/i386/kernel/cpu/mcheck/winchip.c index 7bae68fa168..5b9d2dd411d 100644 --- a/arch/i386/kernel/cpu/mcheck/winchip.c +++ b/arch/i386/kernel/cpu/mcheck/winchip.c @@ -6,7 +6,6 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/kernel.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <asm/processor.h> diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c index 913be77bb84..0248e084017 100644 --- a/arch/i386/kernel/crash.c +++ b/arch/i386/kernel/crash.c @@ -11,10 +11,8 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/smp.h> -#include <linux/irq.h> #include <linux/reboot.h> #include <linux/kexec.h> -#include <linux/irq.h> #include <linux/delay.h> #include <linux/elf.h> #include <linux/elfcore.h> diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c index 178f4e9bac9..323ef8ab324 100644 --- a/arch/i386/kernel/i8259.c +++ b/arch/i386/kernel/i8259.c @@ -16,7 +16,6 @@ #include <asm/atomic.h> #include <asm/system.h> #include <asm/io.h> -#include <asm/irq.h> #include <asm/timer.h> #include <asm/pgtable.h> #include <asm/delay.h> @@ -25,8 +24,6 @@ #include <asm/arch_hooks.h> #include <asm/i8259.h> -#include <linux/irq.h> - #include <io_ports.h> /* diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 378313b0cce..fb3991e8229 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -21,7 +21,6 @@ */ #include <linux/mm.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/delay.h> diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index 15949fd0810..27aabfceb67 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c @@ -14,7 +14,6 @@ */ #include <linux/mm.h> -#include <linux/irq.h> #include <linux/init.h> #include <linux/acpi.h> #include <linux/delay.h> diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c index 0178457db72..72515b8a1b1 100644 --- a/arch/i386/kernel/nmi.c +++ b/arch/i386/kernel/nmi.c @@ -15,7 +15,6 @@ #include <linux/config.h> #include <linux/mm.h> -#include <linux/irq.h> #include <linux/delay.h> #include <linux/bootmem.h> #include <linux/smp_lock.h> diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index b45cbf93d43..7a14fdfd3af 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -47,13 +47,11 @@ #include <asm/ldt.h> #include <asm/processor.h> #include <asm/i387.h> -#include <asm/irq.h> #include <asm/desc.h> #ifdef CONFIG_MATH_EMULATION #include <asm/math_emu.h> #endif -#include <linux/irq.h> #include <linux/err.h> #include <asm/tlbflush.h> diff --git a/arch/i386/kernel/smp.c b/arch/i386/kernel/smp.c index 48b55db3680..218d725a5a1 100644 --- a/arch/i386/kernel/smp.c +++ b/arch/i386/kernel/smp.c @@ -11,7 +11,6 @@ #include <linux/init.h> #include <linux/mm.h> -#include <linux/irq.h> #include <linux/delay.h> #include <linux/spinlock.h> #include <linux/smp_lock.h> diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index 5f0a95d76a4..1fb26d0e30b 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -42,7 +42,6 @@ #include <linux/sched.h> #include <linux/kernel_stat.h> #include <linux/smp_lock.h> -#include <linux/irq.h> #include <linux/bootmem.h> #include <linux/notifier.h> #include <linux/cpu.h> diff --git a/arch/i386/kernel/timers/timer_pit.c b/arch/i386/kernel/timers/timer_pit.c index eddb6403823..e42e46d3515 100644 --- a/arch/i386/kernel/timers/timer_pit.c +++ b/arch/i386/kernel/timers/timer_pit.c @@ -6,7 +6,6 @@ #include <linux/spinlock.h> #include <linux/module.h> #include <linux/device.h> -#include <linux/irq.h> #include <linux/sysdev.h> #include <linux/timex.h> #include <asm/delay.h> diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 431a551e46e..19e90bdd84e 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -52,7 +52,6 @@ #include <asm/arch_hooks.h> #include <asm/kdebug.h> -#include <linux/irq.h> #include <linux/module.h> #include "mach_traps.h" diff --git a/arch/i386/mach-default/setup.c b/arch/i386/mach-default/setup.c index e5a1a83d09e..b4a7455c699 100644 --- a/arch/i386/mach-default/setup.c +++ b/arch/i386/mach-default/setup.c @@ -5,7 +5,6 @@ #include <linux/config.h> #include <linux/smp.h> #include <linux/init.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <asm/acpi.h> #include <asm/arch_hooks.h> diff --git a/arch/i386/mach-visws/setup.c b/arch/i386/mach-visws/setup.c index 26ada6fc0d7..07fac7e749c 100644 --- a/arch/i386/mach-visws/setup.c +++ b/arch/i386/mach-visws/setup.c @@ -5,7 +5,6 @@ #include <linux/smp.h> #include <linux/init.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <asm/fixmap.h> diff --git a/arch/i386/mach-visws/visws_apic.c b/arch/i386/mach-visws/visws_apic.c index 04e6585849a..3e64fb72129 100644 --- a/arch/i386/mach-visws/visws_apic.c +++ b/arch/i386/mach-visws/visws_apic.c @@ -19,7 +19,6 @@ #include <linux/config.h> #include <linux/kernel_stat.h> #include <linux/interrupt.h> -#include <linux/irq.h> #include <linux/smp_lock.h> #include <linux/init.h> diff --git a/arch/i386/mach-voyager/setup.c b/arch/i386/mach-voyager/setup.c index df123fc487b..7d8a3acb944 100644 --- a/arch/i386/mach-voyager/setup.c +++ b/arch/i386/mach-voyager/setup.c @@ -4,7 +4,6 @@ #include <linux/config.h> #include <linux/init.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <asm/acpi.h> #include <asm/arch_hooks.h> diff --git a/arch/i386/mach-voyager/voyager_basic.c b/arch/i386/mach-voyager/voyager_basic.c index cc69875d979..aa49a33a572 100644 --- a/arch/i386/mach-voyager/voyager_basic.c +++ b/arch/i386/mach-voyager/voyager_basic.c @@ -27,7 +27,6 @@ #include <asm/voyager.h> #include <asm/vic.h> #include <linux/pm.h> -#include <linux/irq.h> #include <asm/tlbflush.h> #include <asm/arch_hooks.h> #include <asm/i8253.h> diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c index 46b0cf4a31e..72a1b9cae2e 100644 --- a/arch/i386/mach-voyager/voyager_smp.c +++ b/arch/i386/mach-voyager/voyager_smp.c @@ -30,8 +30,6 @@ #include <asm/tlbflush.h> #include <asm/arch_hooks.h> -#include <linux/irq.h> - /* TLB state -- visible externally, indexed physically */ DEFINE_PER_CPU(struct tlb_state, cpu_tlbstate) ____cacheline_aligned = { &init_mm, 0 }; diff --git a/arch/i386/mach-voyager/voyager_thread.c b/arch/i386/mach-voyager/voyager_thread.c index a9341b0eebf..2b03884fdb2 100644 --- a/arch/i386/mach-voyager/voyager_thread.c +++ b/arch/i386/mach-voyager/voyager_thread.c @@ -31,8 +31,6 @@ #include <asm/mtrr.h> #include <asm/msr.h> -#include <linux/irq.h> - #define THREAD_NAME "kvoyagerd" /* external variables */ diff --git a/arch/i386/oprofile/nmi_timer_int.c b/arch/i386/oprofile/nmi_timer_int.c index ad93cdd55d6..930a1127bb3 100644 --- a/arch/i386/oprofile/nmi_timer_int.c +++ b/arch/i386/oprofile/nmi_timer_int.c @@ -9,7 +9,7 @@ #include <linux/init.h> #include <linux/smp.h> -#include <linux/irq.h> +#include <linux/errno.h> #include <linux/oprofile.h> #include <linux/rcupdate.h> diff --git a/arch/i386/pci/acpi.c b/arch/i386/pci/acpi.c index 2941674f35e..4c4522b43be 100644 --- a/arch/i386/pci/acpi.c +++ b/arch/i386/pci/acpi.c @@ -2,7 +2,6 @@ #include <linux/acpi.h> #include <linux/init.h> #include <linux/irq.h> -#include <asm/hw_irq.h> #include <asm/numa.h> #include "pci.h" diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c index 326a2edc383..cddafe33ff7 100644 --- a/arch/i386/pci/irq.c +++ b/arch/i386/pci/irq.c @@ -11,12 +11,11 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/interrupt.h> -#include <linux/irq.h> #include <linux/dmi.h> #include <asm/io.h> #include <asm/smp.h> #include <asm/io_apic.h> -#include <asm/hw_irq.h> +#include <linux/irq.h> #include <linux/acpi.h> #include "pci.h" diff --git a/arch/i386/power/cpu.c b/arch/i386/power/cpu.c index 7b0b9ad848e..b27c5acc79d 100644 --- a/arch/i386/power/cpu.c +++ b/arch/i386/power/cpu.c @@ -8,25 +8,8 @@ */ #include <linux/config.h> -#include <linux/kernel.h> #include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/spinlock.h> -#include <linux/poll.h> -#include <linux/delay.h> -#include <linux/sysrq.h> -#include <linux/proc_fs.h> -#include <linux/irq.h> -#include <linux/pm.h> -#include <linux/device.h> #include <linux/suspend.h> -#include <linux/acpi.h> - -#include <asm/uaccess.h> -#include <asm/acpi.h> -#include <asm/tlbflush.h> -#include <asm/processor.h> static struct saved_context saved_context; diff --git a/arch/m32r/Makefile b/arch/m32r/Makefile index dd4418d846e..983d438b14b 100644 --- a/arch/m32r/Makefile +++ b/arch/m32r/Makefile @@ -24,7 +24,7 @@ aflags-$(CONFIG_ISA_M32R) += -DNO_FPU -Wa,-no-bitinst CFLAGS += $(cflags-y) AFLAGS += $(aflags-y) -CHECKFLAGS := $(CHECK) -D__m32r__ +CHECKFLAGS += -D__m32r__ -D__BIG_ENDIAN__=1 head-y := arch/m32r/kernel/head.o arch/m32r/kernel/init_task.o diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c index 6c6855f1aa0..ce16bbe26a5 100644 --- a/arch/m32r/lib/usercopy.c +++ b/arch/m32r/lib/usercopy.c @@ -13,7 +13,7 @@ #include <asm/uaccess.h> unsigned long -__generic_copy_to_user(void *to, const void *from, unsigned long n) +__generic_copy_to_user(void __user *to, const void *from, unsigned long n) { prefetch(from); if (access_ok(VERIFY_WRITE, to, n)) @@ -22,7 +22,7 @@ __generic_copy_to_user(void *to, const void *from, unsigned long n) } unsigned long -__generic_copy_from_user(void *to, const void *from, unsigned long n) +__generic_copy_from_user(void *to, const void __user *from, unsigned long n) { prefetchw(to); if (access_ok(VERIFY_READ, from, n)) @@ -111,7 +111,7 @@ do { \ #endif /* CONFIG_ISA_DUAL_ISSUE */ long -__strncpy_from_user(char *dst, const char *src, long count) +__strncpy_from_user(char *dst, const char __user *src, long count) { long res; __do_strncpy_from_user(dst, src, count, res); @@ -119,7 +119,7 @@ __strncpy_from_user(char *dst, const char *src, long count) } long -strncpy_from_user(char *dst, const char *src, long count) +strncpy_from_user(char *dst, const char __user *src, long count) { long res = -EFAULT; if (access_ok(VERIFY_READ, src, 1)) @@ -222,7 +222,7 @@ do { \ #endif /* not CONFIG_ISA_DUAL_ISSUE */ unsigned long -clear_user(void *to, unsigned long n) +clear_user(void __user *to, unsigned long n) { if (access_ok(VERIFY_WRITE, to, n)) __do_clear_user(to, n); @@ -230,7 +230,7 @@ clear_user(void *to, unsigned long n) } unsigned long -__clear_user(void *to, unsigned long n) +__clear_user(void __user *to, unsigned long n) { __do_clear_user(to, n); return n; @@ -244,7 +244,7 @@ __clear_user(void *to, unsigned long n) #ifdef CONFIG_ISA_DUAL_ISSUE -long strnlen_user(const char *s, long n) +long strnlen_user(const char __user *s, long n) { unsigned long mask = -__addr_ok(s); unsigned long res; @@ -313,7 +313,7 @@ long strnlen_user(const char *s, long n) #else /* not CONFIG_ISA_DUAL_ISSUE */ -long strnlen_user(const char *s, long n) +long strnlen_user(const char __user *s, long n) { unsigned long mask = -__addr_ok(s); unsigned long res; diff --git a/arch/ppc/boot/ld.script b/arch/ppc/boot/ld.script index 9362193742a..d4dd8f15395 100644 --- a/arch/ppc/boot/ld.script +++ b/arch/ppc/boot/ld.script @@ -1,4 +1,4 @@ -OUTPUT_ARCH(powerpc) +OUTPUT_ARCH(powerpc:common) SECTIONS { /* Read-only sections, merged into text segment: */ diff --git a/arch/ppc/kernel/perfmon.c b/arch/ppc/kernel/perfmon.c index 04c18788e85..22df9a596a0 100644 --- a/arch/ppc/kernel/perfmon.c +++ b/arch/ppc/kernel/perfmon.c @@ -45,9 +45,8 @@ static void dummy_perf(struct pt_regs *regs) mtpmr(PMRN_PMGC0, pmgc0); } -#elif CONFIG_6xx +#elif defined(CONFIG_6xx) /* Ensure exceptions are disabled */ - static void dummy_perf(struct pt_regs *regs) { unsigned int mmcr0 = mfspr(SPRN_MMCR0); diff --git a/arch/ppc/platforms/4xx/bamboo.c b/arch/ppc/platforms/4xx/bamboo.c index ac391d463d7..78a403b48db 100644 --- a/arch/ppc/platforms/4xx/bamboo.c +++ b/arch/ppc/platforms/4xx/bamboo.c @@ -27,7 +27,6 @@ #include <linux/delay.h> #include <linux/ide.h> #include <linux/initrd.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/tty.h> diff --git a/arch/ppc/platforms/4xx/ebony.c b/arch/ppc/platforms/4xx/ebony.c index d6b2b1965dc..27b778ab903 100644 --- a/arch/ppc/platforms/4xx/ebony.c +++ b/arch/ppc/platforms/4xx/ebony.c @@ -30,7 +30,6 @@ #include <linux/delay.h> #include <linux/ide.h> #include <linux/initrd.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/tty.h> diff --git a/arch/ppc/platforms/4xx/luan.c b/arch/ppc/platforms/4xx/luan.c index a38e6f9ef85..16d953bda22 100644 --- a/arch/ppc/platforms/4xx/luan.c +++ b/arch/ppc/platforms/4xx/luan.c @@ -28,7 +28,6 @@ #include <linux/delay.h> #include <linux/ide.h> #include <linux/initrd.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/tty.h> diff --git a/arch/ppc/platforms/4xx/ocotea.c b/arch/ppc/platforms/4xx/ocotea.c index 80028df1b44..506949c5dd2 100644 --- a/arch/ppc/platforms/4xx/ocotea.c +++ b/arch/ppc/platforms/4xx/ocotea.c @@ -28,7 +28,6 @@ #include <linux/delay.h> #include <linux/ide.h> #include <linux/initrd.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/tty.h> diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.c b/arch/ppc/platforms/83xx/mpc834x_sys.c index b38a851a64e..79b3f533d0a 100644 --- a/arch/ppc/platforms/83xx/mpc834x_sys.c +++ b/arch/ppc/platforms/83xx/mpc834x_sys.c @@ -24,7 +24,6 @@ #include <linux/major.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/serial.h> diff --git a/arch/ppc/platforms/85xx/mpc8540_ads.c b/arch/ppc/platforms/85xx/mpc8540_ads.c index f761fdf160d..7dc8a68acfd 100644 --- a/arch/ppc/platforms/85xx/mpc8540_ads.c +++ b/arch/ppc/platforms/85xx/mpc8540_ads.c @@ -24,7 +24,6 @@ #include <linux/major.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/serial.h> diff --git a/arch/ppc/platforms/85xx/mpc8560_ads.c b/arch/ppc/platforms/85xx/mpc8560_ads.c index f2748c88665..8841fd7da6e 100644 --- a/arch/ppc/platforms/85xx/mpc8560_ads.c +++ b/arch/ppc/platforms/85xx/mpc8560_ads.c @@ -24,7 +24,6 @@ #include <linux/major.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/serial.h> diff --git a/arch/ppc/platforms/85xx/mpc85xx_ads_common.c b/arch/ppc/platforms/85xx/mpc85xx_ads_common.c index 18e952d1767..bd3ac013675 100644 --- a/arch/ppc/platforms/85xx/mpc85xx_ads_common.c +++ b/arch/ppc/platforms/85xx/mpc85xx_ads_common.c @@ -24,7 +24,6 @@ #include <linux/major.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/serial.h> #include <linux/module.h> diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c index 6267b294f70..9f9039498ae 100644 --- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c +++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c @@ -24,7 +24,6 @@ #include <linux/major.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/serial.h> #include <linux/module.h> diff --git a/arch/ppc/platforms/85xx/sbc8560.c b/arch/ppc/platforms/85xx/sbc8560.c index 165df94d4aa..c76760a781c 100644 --- a/arch/ppc/platforms/85xx/sbc8560.c +++ b/arch/ppc/platforms/85xx/sbc8560.c @@ -24,7 +24,6 @@ #include <linux/major.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/serial.h> diff --git a/arch/ppc/platforms/85xx/sbc85xx.c b/arch/ppc/platforms/85xx/sbc85xx.c index 4f6d1ddd6fb..c02f110219f 100644 --- a/arch/ppc/platforms/85xx/sbc85xx.c +++ b/arch/ppc/platforms/85xx/sbc85xx.c @@ -23,7 +23,6 @@ #include <linux/major.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/serial.h> #include <linux/module.h> diff --git a/arch/ppc/platforms/85xx/stx_gp3.c b/arch/ppc/platforms/85xx/stx_gp3.c index c99b365d611..20940f4044f 100644 --- a/arch/ppc/platforms/85xx/stx_gp3.c +++ b/arch/ppc/platforms/85xx/stx_gp3.c @@ -30,7 +30,6 @@ #include <linux/blkdev.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/root_dev.h> #include <linux/seq_file.h> #include <linux/serial.h> diff --git a/arch/ppc/platforms/chestnut.c b/arch/ppc/platforms/chestnut.c index 7786818bd9d..df6ff98c023 100644 --- a/arch/ppc/platforms/chestnut.c +++ b/arch/ppc/platforms/chestnut.c @@ -35,7 +35,6 @@ #include <asm/time.h> #include <asm/dma.h> #include <asm/io.h> -#include <linux/irq.h> #include <asm/hw_irq.h> #include <asm/machdep.h> #include <asm/kgdb.h> diff --git a/arch/ppc/platforms/chrp_setup.c b/arch/ppc/platforms/chrp_setup.c index 57f29ab29bd..66346f0de7e 100644 --- a/arch/ppc/platforms/chrp_setup.c +++ b/arch/ppc/platforms/chrp_setup.c @@ -32,7 +32,6 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/ide.h> -#include <linux/irq.h> #include <linux/console.h> #include <linux/seq_file.h> #include <linux/root_dev.h> diff --git a/arch/ppc/platforms/gemini_setup.c b/arch/ppc/platforms/gemini_setup.c index e391e52383c..3a5ff9fb71d 100644 --- a/arch/ppc/platforms/gemini_setup.c +++ b/arch/ppc/platforms/gemini_setup.c @@ -21,7 +21,6 @@ #include <linux/major.h> #include <linux/initrd.h> #include <linux/console.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/bcd.h> diff --git a/arch/ppc/platforms/mvme5100.c b/arch/ppc/platforms/mvme5100.c index b292b44b760..ce2ce88c803 100644 --- a/arch/ppc/platforms/mvme5100.c +++ b/arch/ppc/platforms/mvme5100.c @@ -20,7 +20,6 @@ #include <linux/initrd.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/ide.h> #include <linux/seq_file.h> #include <linux/kdev_t.h> diff --git a/arch/ppc/platforms/pmac_cpufreq.c b/arch/ppc/platforms/pmac_cpufreq.c index c0605244edd..d4bc5f67ec5 100644 --- a/arch/ppc/platforms/pmac_cpufreq.c +++ b/arch/ppc/platforms/pmac_cpufreq.c @@ -695,6 +695,13 @@ static int __init pmac_cpufreq_setup(void) set_speed_proc = pmu_set_cpu_speed; is_pmu_based = 1; } + /* Else check for TiPb 550 */ + else if (machine_is_compatible("PowerBook3,3") && cur_freq == 550000) { + hi_freq = cur_freq; + low_freq = 500000; + set_speed_proc = pmu_set_cpu_speed; + is_pmu_based = 1; + } /* Else check for TiPb 400 & 500 */ else if (machine_is_compatible("PowerBook3,2")) { /* We only know about the 400 MHz and the 500Mhz model diff --git a/arch/ppc/platforms/pmac_feature.c b/arch/ppc/platforms/pmac_feature.c index 867336ad5d3..dd6d45ae050 100644 --- a/arch/ppc/platforms/pmac_feature.c +++ b/arch/ppc/platforms/pmac_feature.c @@ -2337,6 +2337,10 @@ static struct pmac_mb_def pmac_mb_defs[] __pmacdata = { PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, }, + { "PowerBook6,7", "iBook G4", + PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, + PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, + }, { "PowerBook6,8", "PowerBook G4 12\"", PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, diff --git a/arch/ppc/platforms/pmac_setup.c b/arch/ppc/platforms/pmac_setup.c index 4c56a4734ae..d6356f480d9 100644 --- a/arch/ppc/platforms/pmac_setup.c +++ b/arch/ppc/platforms/pmac_setup.c @@ -48,7 +48,6 @@ #include <linux/adb.h> #include <linux/cuda.h> #include <linux/pmu.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/bitops.h> diff --git a/arch/ppc/platforms/powerpmc250.c b/arch/ppc/platforms/powerpmc250.c index 0abe15159e6..e6b520e6e13 100644 --- a/arch/ppc/platforms/powerpmc250.c +++ b/arch/ppc/platforms/powerpmc250.c @@ -26,7 +26,6 @@ #include <linux/initrd.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/slab.h> #include <linux/seq_file.h> #include <linux/ide.h> diff --git a/arch/ppc/platforms/pplus.c b/arch/ppc/platforms/pplus.c index 65705c91179..e70aae20d6f 100644 --- a/arch/ppc/platforms/pplus.c +++ b/arch/ppc/platforms/pplus.c @@ -22,7 +22,6 @@ #include <linux/ioport.h> #include <linux/console.h> #include <linux/pci.h> -#include <linux/irq.h> #include <linux/ide.h> #include <linux/seq_file.h> #include <linux/root_dev.h> diff --git a/arch/ppc/platforms/prpmc750.c b/arch/ppc/platforms/prpmc750.c index 24ae1caafc6..0bb14a5e824 100644 --- a/arch/ppc/platforms/prpmc750.c +++ b/arch/ppc/platforms/prpmc750.c @@ -24,7 +24,6 @@ #include <linux/initrd.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/ide.h> #include <linux/root_dev.h> diff --git a/arch/ppc/platforms/prpmc800.c b/arch/ppc/platforms/prpmc800.c index 8b09fa69b35..de7baefacd3 100644 --- a/arch/ppc/platforms/prpmc800.c +++ b/arch/ppc/platforms/prpmc800.c @@ -22,7 +22,6 @@ #include <linux/initrd.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/seq_file.h> #include <linux/ide.h> #include <linux/root_dev.h> diff --git a/arch/ppc/platforms/radstone_ppc7d.c b/arch/ppc/platforms/radstone_ppc7d.c index c30607a972d..0376c8cff5d 100644 --- a/arch/ppc/platforms/radstone_ppc7d.c +++ b/arch/ppc/platforms/radstone_ppc7d.c @@ -32,7 +32,6 @@ #include <linux/initrd.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/ide.h> #include <linux/seq_file.h> #include <linux/root_dev.h> @@ -59,7 +58,6 @@ #include <asm/mpc10x.h> #include <asm/pci-bridge.h> #include <asm/mv64x60.h> -#include <asm/i8259.h> #include "radstone_ppc7d.h" diff --git a/arch/ppc/platforms/sandpoint.c b/arch/ppc/platforms/sandpoint.c index 21e31346b12..5232283c197 100644 --- a/arch/ppc/platforms/sandpoint.c +++ b/arch/ppc/platforms/sandpoint.c @@ -74,7 +74,6 @@ #include <linux/initrd.h> #include <linux/console.h> #include <linux/delay.h> -#include <linux/irq.h> #include <linux/ide.h> #include <linux/seq_file.h> #include <linux/root_dev.h> diff --git a/arch/ppc/syslib/mv64x60.c b/arch/ppc/syslib/mv64x60.c index 839f8872826..4849850a59e 100644 --- a/arch/ppc/syslib/mv64x60.c +++ b/arch/ppc/syslib/mv64x60.c @@ -34,7 +34,7 @@ u8 mv64x60_pci_exclude_bridge = 1; DEFINE_SPINLOCK(mv64x60_lock); static phys_addr_t mv64x60_bridge_pbase; -static void *mv64x60_bridge_vbase; +static void __iomem *mv64x60_bridge_vbase; static u32 mv64x60_bridge_type = MV64x60_TYPE_INVALID; static u32 mv64x60_bridge_rev; #if defined(CONFIG_SYSFS) && !defined(CONFIG_GT64260) @@ -938,7 +938,7 @@ mv64x60_setup_for_chip(struct mv64x60_handle *bh) * * Return the virtual address of the bridge's registers. */ -void * +void __iomem * mv64x60_get_bridge_vbase(void) { return mv64x60_bridge_vbase; diff --git a/arch/ppc/syslib/open_pic.c b/arch/ppc/syslib/open_pic.c index 53da58523e3..1cf5de21a3f 100644 --- a/arch/ppc/syslib/open_pic.c +++ b/arch/ppc/syslib/open_pic.c @@ -13,7 +13,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/init.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <linux/sysdev.h> #include <linux/errno.h> diff --git a/arch/ppc/syslib/open_pic2.c b/arch/ppc/syslib/open_pic2.c index 9a7e8748e2b..16cff91d9f4 100644 --- a/arch/ppc/syslib/open_pic2.c +++ b/arch/ppc/syslib/open_pic2.c @@ -17,7 +17,6 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/init.h> -#include <linux/irq.h> #include <linux/interrupt.h> #include <linux/sysdev.h> #include <linux/errno.h> diff --git a/arch/ppc/syslib/ppc4xx_setup.c b/arch/ppc/syslib/ppc4xx_setup.c index b843c4fef25..bf83240689d 100644 --- a/arch/ppc/syslib/ppc4xx_setup.c +++ b/arch/ppc/syslib/ppc4xx_setup.c @@ -18,7 +18,6 @@ #include <linux/smp.h> #include <linux/threads.h> #include <linux/spinlock.h> -#include <linux/irq.h> #include <linux/reboot.h> #include <linux/param.h> #include <linux/string.h> diff --git a/arch/ppc64/kernel/bpa_iommu.c b/arch/ppc64/kernel/bpa_iommu.c index f33a7bccb0d..507eb9d0223 100644 --- a/arch/ppc64/kernel/bpa_iommu.c +++ b/arch/ppc64/kernel/bpa_iommu.c @@ -99,7 +99,11 @@ get_iost_entry(unsigned long iopt_base, unsigned long io_address, unsigned page_ break; default: /* not a known compile time constant */ - BUILD_BUG_ON(1); + { + /* BUILD_BUG_ON() is not usable here */ + extern void __get_iost_entry_bad_page_size(void); + __get_iost_entry_bad_page_size(); + } break; } diff --git a/arch/ppc64/kernel/kprobes.c b/arch/ppc64/kernel/kprobes.c index 7e80d49c589..9c6facc24f7 100644 --- a/arch/ppc64/kernel/kprobes.c +++ b/arch/ppc64/kernel/kprobes.c @@ -59,9 +59,9 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p) /* insn must be on a special executable page on ppc64 */ if (!ret) { - up(&kprobe_mutex); - p->ainsn.insn = get_insn_slot(); down(&kprobe_mutex); + p->ainsn.insn = get_insn_slot(); + up(&kprobe_mutex); if (!p->ainsn.insn) ret = -ENOMEM; } @@ -90,9 +90,9 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) void __kprobes arch_remove_kprobe(struct kprobe *p) { - up(&kprobe_mutex); - free_insn_slot(p->ainsn.insn); down(&kprobe_mutex); + free_insn_slot(p->ainsn.insn); + up(&kprobe_mutex); } static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs) diff --git a/arch/ppc64/kernel/machine_kexec.c b/arch/ppc64/kernel/machine_kexec.c index 4775f12a013..bf7cc4f8210 100644 --- a/arch/ppc64/kernel/machine_kexec.c +++ b/arch/ppc64/kernel/machine_kexec.c @@ -205,6 +205,7 @@ static void kexec_prepare_cpus(void) continue; while (paca[i].hw_cpu_id != -1) { + barrier(); if (!cpu_possible(i)) { printk("kexec: cpu %d hw_cpu_id %d is not" " possible, ignoring\n", diff --git a/arch/ppc64/mm/hash_native.c b/arch/ppc64/mm/hash_native.c index eb1bbb5b6c1..bfd385b7713 100644 --- a/arch/ppc64/mm/hash_native.c +++ b/arch/ppc64/mm/hash_native.c @@ -343,7 +343,7 @@ static void native_flush_hash_range(unsigned long context, hpte_t *hptep; unsigned long hpte_v; struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch); - unsigned long large; + unsigned long large = batch->large; local_irq_save(flags); @@ -356,7 +356,6 @@ static void native_flush_hash_range(unsigned long context, va = (vsid << 28) | (batch->addr[i] & 0x0fffffff); batch->vaddr[j] = va; - large = pte_huge(batch->pte[i]); if (large) vpn = va >> HPAGE_SHIFT; else @@ -406,7 +405,7 @@ static void native_flush_hash_range(unsigned long context, asm volatile("ptesync":::"memory"); for (i = 0; i < j; i++) - __tlbie(batch->vaddr[i], 0); + __tlbie(batch->vaddr[i], large); asm volatile("eieio; tlbsync; ptesync":::"memory"); diff --git a/arch/ppc64/mm/tlb.c b/arch/ppc64/mm/tlb.c index d8a6593a13f..21fbffb23a4 100644 --- a/arch/ppc64/mm/tlb.c +++ b/arch/ppc64/mm/tlb.c @@ -143,7 +143,8 @@ void hpte_update(struct mm_struct *mm, unsigned long addr, * up scanning and resetting referenced bits then our batch context * will change mid stream. */ - if (unlikely(i != 0 && context != batch->context)) { + if (i != 0 && (context != batch->context || + batch->large != pte_huge(pte))) { flush_tlb_pending(); i = 0; } @@ -151,6 +152,7 @@ void hpte_update(struct mm_struct *mm, unsigned long addr, if (i == 0) { batch->context = context; batch->mm = mm; + batch->large = pte_huge(pte); } batch->pte[i] = __pte(pte); batch->addr[i] = addr; diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 7358cdb8441..4ff6808456e 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -143,7 +143,7 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) break; case __SI_FAULT >> 16: err |= __get_user(tmp, &from->si_addr); - to->si_addr = (void *)(u64) (tmp & PSW32_ADDR_INSN); + to->si_addr = (void __user *)(u64) (tmp & PSW32_ADDR_INSN); break; case __SI_POLL >> 16: err |= __get_user(to->si_band, &from->si_band); @@ -338,7 +338,7 @@ sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss, err |= __get_user(kss.ss_flags, &uss->ss_flags); if (err) return -EFAULT; - kss.ss_sp = (void *) ss_sp; + kss.ss_sp = (void __user *) ss_sp; } set_fs (KERNEL_DS); @@ -461,7 +461,7 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs) goto badframe; err = __get_user(ss_sp, &frame->uc.uc_stack.ss_sp); - st.ss_sp = (void *) A((unsigned long)ss_sp); + st.ss_sp = compat_ptr(ss_sp); err |= __get_user(st.ss_size, &frame->uc.uc_stack.ss_size); err |= __get_user(st.ss_flags, &frame->uc.uc_stack.ss_flags); if (err) diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 6a3f5b7473a..6e0110d7119 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -376,8 +376,8 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Create the ucontext. */ err |= __put_user(0, &frame->uc.uc_flags); - err |= __put_user(0, &frame->uc.uc_link); - err |= __put_user((void *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); + err |= __put_user(NULL, &frame->uc.uc_link); + err |= __put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); err |= __put_user(sas_ss_flags(regs->gprs[15]), &frame->uc.uc_stack.ss_flags); err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c index 53c192a4982..3509e430553 100644 --- a/arch/sparc/kernel/setup.c +++ b/arch/sparc/kernel/setup.c @@ -249,8 +249,6 @@ struct tt_entry *sparc_ttable; struct pt_regs fake_swapper_regs; -extern void paging_init(void); - void __init setup_arch(char **cmdline_p) { int i; diff --git a/arch/sparc64/Kconfig.debug b/arch/sparc64/Kconfig.debug index af0e9411b83..fa06ea04837 100644 --- a/arch/sparc64/Kconfig.debug +++ b/arch/sparc64/Kconfig.debug @@ -33,6 +33,14 @@ config DEBUG_BOOTMEM depends on DEBUG_KERNEL bool "Debug BOOTMEM initialization" +config DEBUG_PAGEALLOC + bool "Page alloc debugging" + depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND + help + Unmap pages from the kernel linear mapping after free_pages(). + This results in a large slowdown, but helps to find certain types + of memory corruptions. + config MCOUNT bool depends on STACK_DEBUG diff --git a/arch/sparc64/kernel/cpu.c b/arch/sparc64/kernel/cpu.c index 48756958116..77ef5df4e5a 100644 --- a/arch/sparc64/kernel/cpu.c +++ b/arch/sparc64/kernel/cpu.c @@ -39,6 +39,8 @@ struct cpu_fp_info linux_sparc_fpu[] = { { 0x3e, 0x15, 0, "UltraSparc III+ integrated FPU"}, { 0x3e, 0x16, 0, "UltraSparc IIIi integrated FPU"}, { 0x3e, 0x18, 0, "UltraSparc IV integrated FPU"}, + { 0x3e, 0x19, 0, "UltraSparc IV+ integrated FPU"}, + { 0x3e, 0x22, 0, "UltraSparc IIIi+ integrated FPU"}, }; #define NSPARCFPU (sizeof(linux_sparc_fpu)/sizeof(struct cpu_fp_info)) @@ -53,6 +55,8 @@ struct cpu_iu_info linux_sparc_chips[] = { { 0x3e, 0x15, "TI UltraSparc III+ (Cheetah+)"}, { 0x3e, 0x16, "TI UltraSparc IIIi (Jalapeno)"}, { 0x3e, 0x18, "TI UltraSparc IV (Jaguar)"}, + { 0x3e, 0x19, "TI UltraSparc IV+ (Panther)"}, + { 0x3e, 0x22, "TI UltraSparc IIIi+ (Serrano)"}, }; #define NSPARCCHIPS (sizeof(linux_sparc_chips)/sizeof(struct cpu_iu_info)) diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c index d710274e516..df9a1ca8fd7 100644 --- a/arch/sparc64/kernel/devices.c +++ b/arch/sparc64/kernel/devices.c @@ -135,6 +135,28 @@ void __init device_scan(void) cpu_data(0).clock_tick = prom_getintdefault(cpu_node, "clock-frequency", 0); + cpu_data(0).dcache_size = prom_getintdefault(cpu_node, + "dcache-size", + 16 * 1024); + cpu_data(0).dcache_line_size = + prom_getintdefault(cpu_node, "dcache-line-size", 32); + cpu_data(0).icache_size = prom_getintdefault(cpu_node, + "icache-size", + 16 * 1024); + cpu_data(0).icache_line_size = + prom_getintdefault(cpu_node, "icache-line-size", 32); + cpu_data(0).ecache_size = prom_getintdefault(cpu_node, + "ecache-size", + 4 * 1024 * 1024); + cpu_data(0).ecache_line_size = + prom_getintdefault(cpu_node, "ecache-line-size", 64); + printk("CPU[0]: Caches " + "D[sz(%d):line_sz(%d)] " + "I[sz(%d):line_sz(%d)] " + "E[sz(%d):line_sz(%d)]\n", + cpu_data(0).dcache_size, cpu_data(0).dcache_line_size, + cpu_data(0).icache_size, cpu_data(0).icache_line_size, + cpu_data(0).ecache_size, cpu_data(0).ecache_line_size); } #endif diff --git a/arch/sparc64/kernel/dtlb_backend.S b/arch/sparc64/kernel/dtlb_backend.S index 538522848ad..acc889a7f9c 100644 --- a/arch/sparc64/kernel/dtlb_backend.S +++ b/arch/sparc64/kernel/dtlb_backend.S @@ -9,17 +9,7 @@ #include <asm/pgtable.h> #include <asm/mmu.h> -#if PAGE_SHIFT == 13 -#define SZ_BITS _PAGE_SZ8K -#elif PAGE_SHIFT == 16 -#define SZ_BITS _PAGE_SZ64K -#elif PAGE_SHIFT == 19 -#define SZ_BITS _PAGE_SZ512K -#elif PAGE_SHIFT == 22 -#define SZ_BITS _PAGE_SZ4MB -#endif - -#define VALID_SZ_BITS (_PAGE_VALID | SZ_BITS) +#define VALID_SZ_BITS (_PAGE_VALID | _PAGE_SZBITS) #define VPTE_BITS (_PAGE_CP | _PAGE_CV | _PAGE_P ) #define VPTE_SHIFT (PAGE_SHIFT - 3) @@ -163,7 +153,6 @@ sparc64_vpte_continue: stxa %g4, [%g1 + %g1] ASI_DMMU ! Restore previous TAG_ACCESS retry ! Load PTE once again -#undef SZ_BITS #undef VALID_SZ_BITS #undef VPTE_SHIFT #undef VPTE_BITS diff --git a/arch/sparc64/kernel/dtlb_base.S b/arch/sparc64/kernel/dtlb_base.S index ded2fed23fc..702d349c1e8 100644 --- a/arch/sparc64/kernel/dtlb_base.S +++ b/arch/sparc64/kernel/dtlb_base.S @@ -71,7 +71,7 @@ from_tl1_trap: rdpr %tl, %g5 ! For TL==3 test CREATE_VPTE_OFFSET1(%g4, %g6) ! Create VPTE offset - be,pn %xcc, 3f ! Yep, special processing + be,pn %xcc, kvmap ! Yep, special processing CREATE_VPTE_OFFSET2(%g4, %g6) ! Create VPTE offset cmp %g5, 4 ! Last trap level? be,pn %xcc, longpath ! Yep, cannot risk VPTE miss @@ -83,9 +83,9 @@ from_tl1_trap: nop ! Delay-slot 9: stxa %g5, [%g0] ASI_DTLB_DATA_IN ! Reload TLB retry ! Trap return -3: brlz,pt %g4, 9b ! Kernel virtual map? - xor %g2, %g4, %g5 ! Finish bit twiddles - ba,a,pt %xcc, kvmap ! Yep, go check for obp/vmalloc + nop + nop + nop /* DTLB ** ICACHE line 3: winfixups+real_faults */ longpath: diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index b4834952785..2879b107292 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -30,159 +30,6 @@ .text .align 32 - .globl sparc64_vpte_patchme1 - .globl sparc64_vpte_patchme2 -/* - * On a second level vpte miss, check whether the original fault is to the OBP - * range (note that this is only possible for instruction miss, data misses to - * obp range do not use vpte). If so, go back directly to the faulting address. - * This is because we want to read the tpc, otherwise we have no way of knowing - * the 8k aligned faulting address if we are using >8k kernel pagesize. This - * also ensures no vpte range addresses are dropped into tlb while obp is - * executing (see inherit_locked_prom_mappings() rant). - */ -sparc64_vpte_nucleus: - /* Note that kvmap below has verified that the address is - * in the range MODULES_VADDR --> VMALLOC_END already. So - * here we need only check if it is an OBP address or not. - */ - sethi %hi(LOW_OBP_ADDRESS), %g5 - cmp %g4, %g5 - blu,pn %xcc, sparc64_vpte_patchme1 - mov 0x1, %g5 - sllx %g5, 32, %g5 - cmp %g4, %g5 - blu,pn %xcc, obp_iaddr_patch - nop - - /* These two instructions are patched by paginig_init(). */ -sparc64_vpte_patchme1: - sethi %hi(0), %g5 -sparc64_vpte_patchme2: - or %g5, %lo(0), %g5 - - /* With kernel PGD in %g5, branch back into dtlb_backend. */ - ba,pt %xcc, sparc64_kpte_continue - andn %g1, 0x3, %g1 /* Finish PMD offset adjustment. */ - -vpte_noent: - /* Restore previous TAG_ACCESS, %g5 is zero, and we will - * skip over the trap instruction so that the top level - * TLB miss handler will thing this %g5 value is just an - * invalid PTE, thus branching to full fault processing. - */ - mov TLB_SFSR, %g1 - stxa %g4, [%g1 + %g1] ASI_DMMU - done - - .globl obp_iaddr_patch -obp_iaddr_patch: - /* These two instructions patched by inherit_prom_mappings(). */ - sethi %hi(0), %g5 - or %g5, %lo(0), %g5 - - /* Behave as if we are at TL0. */ - wrpr %g0, 1, %tl - rdpr %tpc, %g4 /* Find original faulting iaddr */ - srlx %g4, 13, %g4 /* Throw out context bits */ - sllx %g4, 13, %g4 /* g4 has vpn + ctx0 now */ - - /* Restore previous TAG_ACCESS. */ - mov TLB_SFSR, %g1 - stxa %g4, [%g1 + %g1] ASI_IMMU - - /* Get PMD offset. */ - srlx %g4, 23, %g6 - and %g6, 0x7ff, %g6 - sllx %g6, 2, %g6 - - /* Load PMD, is it valid? */ - lduwa [%g5 + %g6] ASI_PHYS_USE_EC, %g5 - brz,pn %g5, longpath - sllx %g5, 11, %g5 - - /* Get PTE offset. */ - srlx %g4, 13, %g6 - and %g6, 0x3ff, %g6 - sllx %g6, 3, %g6 - - /* Load PTE. */ - ldxa [%g5 + %g6] ASI_PHYS_USE_EC, %g5 - brgez,pn %g5, longpath - nop - - /* TLB load and return from trap. */ - stxa %g5, [%g0] ASI_ITLB_DATA_IN - retry - - .globl obp_daddr_patch -obp_daddr_patch: - /* These two instructions patched by inherit_prom_mappings(). */ - sethi %hi(0), %g5 - or %g5, %lo(0), %g5 - - /* Get PMD offset. */ - srlx %g4, 23, %g6 - and %g6, 0x7ff, %g6 - sllx %g6, 2, %g6 - - /* Load PMD, is it valid? */ - lduwa [%g5 + %g6] ASI_PHYS_USE_EC, %g5 - brz,pn %g5, longpath - sllx %g5, 11, %g5 - - /* Get PTE offset. */ - srlx %g4, 13, %g6 - and %g6, 0x3ff, %g6 - sllx %g6, 3, %g6 - - /* Load PTE. */ - ldxa [%g5 + %g6] ASI_PHYS_USE_EC, %g5 - brgez,pn %g5, longpath - nop - - /* TLB load and return from trap. */ - stxa %g5, [%g0] ASI_DTLB_DATA_IN - retry - -/* - * On a first level data miss, check whether this is to the OBP range (note - * that such accesses can be made by prom, as well as by kernel using - * prom_getproperty on "address"), and if so, do not use vpte access ... - * rather, use information saved during inherit_prom_mappings() using 8k - * pagesize. - */ - .align 32 -kvmap: - sethi %hi(MODULES_VADDR), %g5 - cmp %g4, %g5 - blu,pn %xcc, longpath - mov (VMALLOC_END >> 24), %g5 - sllx %g5, 24, %g5 - cmp %g4, %g5 - bgeu,pn %xcc, longpath - nop - -kvmap_check_obp: - sethi %hi(LOW_OBP_ADDRESS), %g5 - cmp %g4, %g5 - blu,pn %xcc, kvmap_vmalloc_addr - mov 0x1, %g5 - sllx %g5, 32, %g5 - cmp %g4, %g5 - blu,pn %xcc, obp_daddr_patch - nop - -kvmap_vmalloc_addr: - /* If we get here, a vmalloc addr was accessed, load kernel VPTE. */ - ldxa [%g3 + %g6] ASI_N, %g5 - brgez,pn %g5, longpath - nop - - /* PTE is valid, load into TLB and return from trap. */ - stxa %g5, [%g0] ASI_DTLB_DATA_IN ! Reload TLB - retry - /* This is trivial with the new code... */ .globl do_fpdis do_fpdis: @@ -525,14 +372,13 @@ cheetah_plus_patch_fpdis: * * DATA 0: [low 32-bits] Address of function to call, jmp to this * [high 32-bits] MMU Context Argument 0, place in %g5 - * DATA 1: Address Argument 1, place in %g6 + * DATA 1: Address Argument 1, place in %g1 * DATA 2: Address Argument 2, place in %g7 * * With this method we can do most of the cross-call tlb/cache * flushing very quickly. * - * Current CPU's IRQ worklist table is locked into %g1, - * don't touch. + * Current CPU's IRQ worklist table is locked into %g6, don't touch. */ .text .align 32 @@ -1006,13 +852,14 @@ cheetah_plus_dcpe_trap_vector: nop do_cheetah_plus_data_parity: - ba,pt %xcc, etrap + rdpr %pil, %g2 + wrpr %g0, 15, %pil + ba,pt %xcc, etrap_irq rd %pc, %g7 mov 0x0, %o0 call cheetah_plus_parity_error add %sp, PTREGS_OFF, %o1 - ba,pt %xcc, rtrap - clr %l6 + ba,a,pt %xcc, rtrap_irq cheetah_plus_dcpe_trap_vector_tl1: membar #Sync @@ -1036,13 +883,14 @@ cheetah_plus_icpe_trap_vector: nop do_cheetah_plus_insn_parity: - ba,pt %xcc, etrap + rdpr %pil, %g2 + wrpr %g0, 15, %pil + ba,pt %xcc, etrap_irq rd %pc, %g7 mov 0x1, %o0 call cheetah_plus_parity_error add %sp, PTREGS_OFF, %o1 - ba,pt %xcc, rtrap - clr %l6 + ba,a,pt %xcc, rtrap_irq cheetah_plus_icpe_trap_vector_tl1: membar #Sync @@ -1075,6 +923,10 @@ do_dcpe_tl1: nop wrpr %g1, %tl ! Restore original trap level do_dcpe_tl1_nonfatal: /* Ok we may use interrupt globals safely. */ + sethi %hi(dcache_parity_tl1_occurred), %g2 + lduw [%g2 + %lo(dcache_parity_tl1_occurred)], %g1 + add %g1, 1, %g1 + stw %g1, [%g2 + %lo(dcache_parity_tl1_occurred)] /* Reset D-cache parity */ sethi %hi(1 << 16), %g1 ! D-cache size mov (1 << 5), %g2 ! D-cache line size @@ -1121,6 +973,10 @@ do_icpe_tl1: nop wrpr %g1, %tl ! Restore original trap level do_icpe_tl1_nonfatal: /* Ok we may use interrupt globals safely. */ + sethi %hi(icache_parity_tl1_occurred), %g2 + lduw [%g2 + %lo(icache_parity_tl1_occurred)], %g1 + add %g1, 1, %g1 + stw %g1, [%g2 + %lo(icache_parity_tl1_occurred)] /* Flush I-cache */ sethi %hi(1 << 15), %g1 ! I-cache size mov (1 << 5), %g2 ! I-cache line size diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S index 1fa06c4e3bd..89406f9649a 100644 --- a/arch/sparc64/kernel/head.S +++ b/arch/sparc64/kernel/head.S @@ -80,15 +80,165 @@ sparc_ramdisk_image64: .xword 0 .word _end - /* We must be careful, 32-bit OpenBOOT will get confused if it - * tries to save away a register window to a 64-bit kernel - * stack address. Flush all windows, disable interrupts, - * remap if necessary, jump onto kernel trap table, then kernel - * stack, or else we die. + /* PROM cif handler code address is in %o4. */ +sparc64_boot: +1: rd %pc, %g7 + set 1b, %g1 + cmp %g1, %g7 + be,pn %xcc, sparc64_boot_after_remap + mov %o4, %l7 + + /* We need to remap the kernel. Use position independant + * code to remap us to KERNBASE. * - * PROM entry point is on %o4 + * SILO can invoke us with 32-bit address masking enabled, + * so make sure that's clear. */ -sparc64_boot: + rdpr %pstate, %g1 + andn %g1, PSTATE_AM, %g1 + wrpr %g1, 0x0, %pstate + ba,a,pt %xcc, 1f + + .globl prom_finddev_name, prom_chosen_path + .globl prom_getprop_name, prom_mmu_name + .globl prom_callmethod_name, prom_translate_name + .globl prom_map_name, prom_unmap_name, prom_mmu_ihandle_cache + .globl prom_boot_mapped_pc, prom_boot_mapping_mode + .globl prom_boot_mapping_phys_high, prom_boot_mapping_phys_low +prom_finddev_name: + .asciz "finddevice" +prom_chosen_path: + .asciz "/chosen" +prom_getprop_name: + .asciz "getprop" +prom_mmu_name: + .asciz "mmu" +prom_callmethod_name: + .asciz "call-method" +prom_translate_name: + .asciz "translate" +prom_map_name: + .asciz "map" +prom_unmap_name: + .asciz "unmap" + .align 4 +prom_mmu_ihandle_cache: + .word 0 +prom_boot_mapped_pc: + .word 0 +prom_boot_mapping_mode: + .word 0 + .align 8 +prom_boot_mapping_phys_high: + .xword 0 +prom_boot_mapping_phys_low: + .xword 0 +1: + rd %pc, %l0 + mov (1b - prom_finddev_name), %l1 + mov (1b - prom_chosen_path), %l2 + mov (1b - prom_boot_mapped_pc), %l3 + sub %l0, %l1, %l1 + sub %l0, %l2, %l2 + sub %l0, %l3, %l3 + stw %l0, [%l3] + sub %sp, (192 + 128), %sp + + /* chosen_node = prom_finddevice("/chosen") */ + stx %l1, [%sp + 2047 + 128 + 0x00] ! service, "finddevice" + mov 1, %l3 + stx %l3, [%sp + 2047 + 128 + 0x08] ! num_args, 1 + stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 1 + stx %l2, [%sp + 2047 + 128 + 0x18] ! arg1, "/chosen" + stx %g0, [%sp + 2047 + 128 + 0x20] ! ret1 + call %l7 + add %sp, (2047 + 128), %o0 ! argument array + + ldx [%sp + 2047 + 128 + 0x20], %l4 ! chosen device node + + mov (1b - prom_getprop_name), %l1 + mov (1b - prom_mmu_name), %l2 + mov (1b - prom_mmu_ihandle_cache), %l5 + sub %l0, %l1, %l1 + sub %l0, %l2, %l2 + sub %l0, %l5, %l5 + + /* prom_mmu_ihandle_cache = prom_getint(chosen_node, "mmu") */ + stx %l1, [%sp + 2047 + 128 + 0x00] ! service, "getprop" + mov 4, %l3 + stx %l3, [%sp + 2047 + 128 + 0x08] ! num_args, 4 + mov 1, %l3 + stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 1 + stx %l4, [%sp + 2047 + 128 + 0x18] ! arg1, chosen_node + stx %l2, [%sp + 2047 + 128 + 0x20] ! arg2, "mmu" + stx %l5, [%sp + 2047 + 128 + 0x28] ! arg3, &prom_mmu_ihandle_cache + mov 4, %l3 + stx %l3, [%sp + 2047 + 128 + 0x30] ! arg4, sizeof(arg3) + stx %g0, [%sp + 2047 + 128 + 0x38] ! ret1 + call %l7 + add %sp, (2047 + 128), %o0 ! argument array + + mov (1b - prom_callmethod_name), %l1 + mov (1b - prom_translate_name), %l2 + sub %l0, %l1, %l1 + sub %l0, %l2, %l2 + lduw [%l5], %l5 ! prom_mmu_ihandle_cache + + stx %l1, [%sp + 2047 + 128 + 0x00] ! service, "call-method" + mov 3, %l3 + stx %l3, [%sp + 2047 + 128 + 0x08] ! num_args, 3 + mov 5, %l3 + stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 5 + stx %l2, [%sp + 2047 + 128 + 0x18] ! arg1: "translate" + stx %l5, [%sp + 2047 + 128 + 0x20] ! arg2: prom_mmu_ihandle_cache + srlx %l0, 22, %l3 + sllx %l3, 22, %l3 + stx %l3, [%sp + 2047 + 128 + 0x28] ! arg3: vaddr, our PC + stx %g0, [%sp + 2047 + 128 + 0x30] ! res1 + stx %g0, [%sp + 2047 + 128 + 0x38] ! res2 + stx %g0, [%sp + 2047 + 128 + 0x40] ! res3 + stx %g0, [%sp + 2047 + 128 + 0x48] ! res4 + stx %g0, [%sp + 2047 + 128 + 0x50] ! res5 + call %l7 + add %sp, (2047 + 128), %o0 ! argument array + + ldx [%sp + 2047 + 128 + 0x40], %l1 ! translation mode + mov (1b - prom_boot_mapping_mode), %l4 + sub %l0, %l4, %l4 + stw %l1, [%l4] + mov (1b - prom_boot_mapping_phys_high), %l4 + sub %l0, %l4, %l4 + ldx [%sp + 2047 + 128 + 0x48], %l2 ! physaddr high + stx %l2, [%l4 + 0x0] + ldx [%sp + 2047 + 128 + 0x50], %l3 ! physaddr low + stx %l3, [%l4 + 0x8] + + /* Leave service as-is, "call-method" */ + mov 7, %l3 + stx %l3, [%sp + 2047 + 128 + 0x08] ! num_args, 7 + mov 1, %l3 + stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 1 + mov (1b - prom_map_name), %l3 + sub %l0, %l3, %l3 + stx %l3, [%sp + 2047 + 128 + 0x18] ! arg1: "map" + /* Leave arg2 as-is, prom_mmu_ihandle_cache */ + mov -1, %l3 + stx %l3, [%sp + 2047 + 128 + 0x28] ! arg3: mode (-1 default) + sethi %hi(8 * 1024 * 1024), %l3 + stx %l3, [%sp + 2047 + 128 + 0x30] ! arg4: size (8MB) + sethi %hi(KERNBASE), %l3 + stx %l3, [%sp + 2047 + 128 + 0x38] ! arg5: vaddr (KERNBASE) + stx %g0, [%sp + 2047 + 128 + 0x40] ! arg6: empty + mov (1b - prom_boot_mapping_phys_low), %l3 + sub %l0, %l3, %l3 + ldx [%l3], %l3 + stx %l3, [%sp + 2047 + 128 + 0x48] ! arg7: phys addr + call %l7 + add %sp, (2047 + 128), %o0 ! argument array + + add %sp, (192 + 128), %sp + +sparc64_boot_after_remap: BRANCH_IF_CHEETAH_BASE(g1,g7,cheetah_boot) BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,g7,cheetah_plus_boot) ba,pt %xcc, spitfire_boot @@ -125,185 +275,7 @@ cheetah_generic_boot: stxa %g0, [%g3] ASI_IMMU membar #Sync - wrpr %g0, (PSTATE_PRIV|PSTATE_PEF|PSTATE_IE), %pstate - wr %g0, 0, %fprs - - /* Just like for Spitfire, we probe itlb-2 for a mapping which - * matches our current %pc. We take the physical address in - * that mapping and use it to make our own. - */ - - /* %g5 holds the tlb data */ - sethi %uhi(_PAGE_VALID | _PAGE_SZ4MB), %g5 - sllx %g5, 32, %g5 - or %g5, (_PAGE_CP | _PAGE_CV | _PAGE_P | _PAGE_L | _PAGE_W | _PAGE_G), %g5 - - /* Put PADDR tlb data mask into %g3. */ - sethi %uhi(_PAGE_PADDR), %g3 - or %g3, %ulo(_PAGE_PADDR), %g3 - sllx %g3, 32, %g3 - sethi %hi(_PAGE_PADDR), %g7 - or %g7, %lo(_PAGE_PADDR), %g7 - or %g3, %g7, %g3 - - set 2 << 16, %l0 /* TLB entry walker. */ - set 0x1fff, %l2 /* Page mask. */ - rd %pc, %l3 - andn %l3, %l2, %g2 /* vaddr comparator */ - -1: ldxa [%l0] ASI_ITLB_TAG_READ, %g1 - membar #Sync - andn %g1, %l2, %g1 - cmp %g1, %g2 - be,pn %xcc, cheetah_got_tlbentry - nop - and %l0, (127 << 3), %g1 - cmp %g1, (127 << 3) - blu,pt %xcc, 1b - add %l0, (1 << 3), %l0 - - /* Search the small TLB. OBP never maps us like that but - * newer SILO can. - */ - clr %l0 - -1: ldxa [%l0] ASI_ITLB_TAG_READ, %g1 - membar #Sync - andn %g1, %l2, %g1 - cmp %g1, %g2 - be,pn %xcc, cheetah_got_tlbentry - nop - cmp %l0, (15 << 3) - blu,pt %xcc, 1b - add %l0, (1 << 3), %l0 - - /* BUG() if we get here... */ - ta 0x5 - -cheetah_got_tlbentry: - ldxa [%l0] ASI_ITLB_DATA_ACCESS, %g0 - ldxa [%l0] ASI_ITLB_DATA_ACCESS, %g1 - membar #Sync - and %g1, %g3, %g1 - set 0x5fff, %l0 - andn %g1, %l0, %g1 - or %g5, %g1, %g5 - - /* Clear out any KERNBASE area entries. */ - set 2 << 16, %l0 - sethi %hi(KERNBASE), %g3 - sethi %hi(KERNBASE<<1), %g7 - mov TLB_TAG_ACCESS, %l7 - - /* First, check ITLB */ -1: ldxa [%l0] ASI_ITLB_TAG_READ, %g1 - membar #Sync - andn %g1, %l2, %g1 - cmp %g1, %g3 - blu,pn %xcc, 2f - cmp %g1, %g7 - bgeu,pn %xcc, 2f - nop - stxa %g0, [%l7] ASI_IMMU - membar #Sync - stxa %g0, [%l0] ASI_ITLB_DATA_ACCESS - membar #Sync - -2: and %l0, (127 << 3), %g1 - cmp %g1, (127 << 3) - blu,pt %xcc, 1b - add %l0, (1 << 3), %l0 - - /* Next, check DTLB */ - set 2 << 16, %l0 -1: ldxa [%l0] ASI_DTLB_TAG_READ, %g1 - membar #Sync - andn %g1, %l2, %g1 - cmp %g1, %g3 - blu,pn %xcc, 2f - cmp %g1, %g7 - bgeu,pn %xcc, 2f - nop - stxa %g0, [%l7] ASI_DMMU - membar #Sync - stxa %g0, [%l0] ASI_DTLB_DATA_ACCESS - membar #Sync - -2: and %l0, (511 << 3), %g1 - cmp %g1, (511 << 3) - blu,pt %xcc, 1b - add %l0, (1 << 3), %l0 - - /* On Cheetah+, have to check second DTLB. */ - BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,l0,2f) - ba,pt %xcc, 9f - nop - -2: set 3 << 16, %l0 -1: ldxa [%l0] ASI_DTLB_TAG_READ, %g1 - membar #Sync - andn %g1, %l2, %g1 - cmp %g1, %g3 - blu,pn %xcc, 2f - cmp %g1, %g7 - bgeu,pn %xcc, 2f - nop - stxa %g0, [%l7] ASI_DMMU - membar #Sync - stxa %g0, [%l0] ASI_DTLB_DATA_ACCESS - membar #Sync - -2: and %l0, (511 << 3), %g1 - cmp %g1, (511 << 3) - blu,pt %xcc, 1b - add %l0, (1 << 3), %l0 - -9: - - /* Now lock the TTE we created into ITLB-0 and DTLB-0, - * entry 15 (and maybe 14 too). - */ - sethi %hi(KERNBASE), %g3 - set (0 << 16) | (15 << 3), %g7 - stxa %g3, [%l7] ASI_DMMU - membar #Sync - stxa %g5, [%g7] ASI_DTLB_DATA_ACCESS - membar #Sync - stxa %g3, [%l7] ASI_IMMU - membar #Sync - stxa %g5, [%g7] ASI_ITLB_DATA_ACCESS - membar #Sync - flush %g3 - membar #Sync - sethi %hi(_end), %g3 /* Check for bigkernel case */ - or %g3, %lo(_end), %g3 - srl %g3, 23, %g3 /* Check if _end > 8M */ - brz,pt %g3, 1f - sethi %hi(KERNBASE), %g3 /* Restore for fixup code below */ - sethi %hi(0x400000), %g3 - or %g3, %lo(0x400000), %g3 - add %g5, %g3, %g5 /* New tte data */ - andn %g5, (_PAGE_G), %g5 - sethi %hi(KERNBASE+0x400000), %g3 - or %g3, %lo(KERNBASE+0x400000), %g3 - set (0 << 16) | (14 << 3), %g7 - stxa %g3, [%l7] ASI_DMMU - membar #Sync - stxa %g5, [%g7] ASI_DTLB_DATA_ACCESS - membar #Sync - stxa %g3, [%l7] ASI_IMMU - membar #Sync - stxa %g5, [%g7] ASI_ITLB_DATA_ACCESS - membar #Sync - flush %g3 - membar #Sync - sethi %hi(KERNBASE), %g3 /* Restore for fixup code below */ - ba,pt %xcc, 1f - nop - -1: set sun4u_init, %g2 - jmpl %g2 + %g0, %g0 - nop + ba,a,pt %xcc, jump_to_sun4u_init spitfire_boot: /* Typically PROM has already enabled both MMU's and both on-chip @@ -313,6 +285,7 @@ spitfire_boot: stxa %g1, [%g0] ASI_LSU_CONTROL membar #Sync +jump_to_sun4u_init: /* * Make sure we are in privileged mode, have address masking, * using the ordinary globals and have enabled floating @@ -324,151 +297,6 @@ spitfire_boot: wrpr %g0, (PSTATE_PRIV|PSTATE_PEF|PSTATE_IE), %pstate wr %g0, 0, %fprs -spitfire_create_mappings: - /* %g5 holds the tlb data */ - sethi %uhi(_PAGE_VALID | _PAGE_SZ4MB), %g5 - sllx %g5, 32, %g5 - or %g5, (_PAGE_CP | _PAGE_CV | _PAGE_P | _PAGE_L | _PAGE_W | _PAGE_G), %g5 - - /* Base of physical memory cannot reliably be assumed to be - * at 0x0! Figure out where it happens to be. -DaveM - */ - - /* Put PADDR tlb data mask into %g3. */ - sethi %uhi(_PAGE_PADDR_SF), %g3 - or %g3, %ulo(_PAGE_PADDR_SF), %g3 - sllx %g3, 32, %g3 - sethi %hi(_PAGE_PADDR_SF), %g7 - or %g7, %lo(_PAGE_PADDR_SF), %g7 - or %g3, %g7, %g3 - - /* Walk through entire ITLB, looking for entry which maps - * our %pc currently, stick PADDR from there into %g5 tlb data. - */ - clr %l0 /* TLB entry walker. */ - set 0x1fff, %l2 /* Page mask. */ - rd %pc, %l3 - andn %l3, %l2, %g2 /* vaddr comparator */ -1: - /* Yes, the nops seem to be necessary for now, don't ask me why. -DaveM */ - ldxa [%l0] ASI_ITLB_TAG_READ, %g1 - nop - nop - nop - andn %g1, %l2, %g1 /* Get vaddr */ - cmp %g1, %g2 - be,a,pn %xcc, spitfire_got_tlbentry - ldxa [%l0] ASI_ITLB_DATA_ACCESS, %g1 - cmp %l0, (63 << 3) - blu,pt %xcc, 1b - add %l0, (1 << 3), %l0 - - /* BUG() if we get here... */ - ta 0x5 - -spitfire_got_tlbentry: - /* Nops here again, perhaps Cheetah/Blackbird are better behaved... */ - nop - nop - nop - and %g1, %g3, %g1 /* Mask to just get paddr bits. */ - set 0x5fff, %l3 /* Mask offset to get phys base. */ - andn %g1, %l3, %g1 - - /* NOTE: We hold on to %g1 paddr base as we need it below to lock - * NOTE: the PROM cif code into the TLB. - */ - - or %g5, %g1, %g5 /* Or it into TAG being built. */ - - clr %l0 /* TLB entry walker. */ - sethi %hi(KERNBASE), %g3 /* 4M lower limit */ - sethi %hi(KERNBASE<<1), %g7 /* 8M upper limit */ - mov TLB_TAG_ACCESS, %l7 -1: - /* Yes, the nops seem to be necessary for now, don't ask me why. -DaveM */ - ldxa [%l0] ASI_ITLB_TAG_READ, %g1 - nop - nop - nop - andn %g1, %l2, %g1 /* Get vaddr */ - cmp %g1, %g3 - blu,pn %xcc, 2f - cmp %g1, %g7 - bgeu,pn %xcc, 2f - nop - stxa %g0, [%l7] ASI_IMMU - stxa %g0, [%l0] ASI_ITLB_DATA_ACCESS - membar #Sync -2: - cmp %l0, (63 << 3) - blu,pt %xcc, 1b - add %l0, (1 << 3), %l0 - - nop; nop; nop - - clr %l0 /* TLB entry walker. */ -1: - /* Yes, the nops seem to be necessary for now, don't ask me why. -DaveM */ - ldxa [%l0] ASI_DTLB_TAG_READ, %g1 - nop - nop - nop - andn %g1, %l2, %g1 /* Get vaddr */ - cmp %g1, %g3 - blu,pn %xcc, 2f - cmp %g1, %g7 - bgeu,pn %xcc, 2f - nop - stxa %g0, [%l7] ASI_DMMU - stxa %g0, [%l0] ASI_DTLB_DATA_ACCESS - membar #Sync -2: - cmp %l0, (63 << 3) - blu,pt %xcc, 1b - add %l0, (1 << 3), %l0 - - nop; nop; nop - - - /* PROM never puts any TLB entries into the MMU with the lock bit - * set. So we gladly use tlb entry 63 for KERNBASE. And maybe 62 too. - */ - - sethi %hi(KERNBASE), %g3 - mov (63 << 3), %g7 - stxa %g3, [%l7] ASI_DMMU /* KERNBASE into TLB TAG */ - stxa %g5, [%g7] ASI_DTLB_DATA_ACCESS /* TTE into TLB DATA */ - membar #Sync - stxa %g3, [%l7] ASI_IMMU /* KERNBASE into TLB TAG */ - stxa %g5, [%g7] ASI_ITLB_DATA_ACCESS /* TTE into TLB DATA */ - membar #Sync - flush %g3 - membar #Sync - sethi %hi(_end), %g3 /* Check for bigkernel case */ - or %g3, %lo(_end), %g3 - srl %g3, 23, %g3 /* Check if _end > 8M */ - brz,pt %g3, 2f - sethi %hi(KERNBASE), %g3 /* Restore for fixup code below */ - sethi %hi(0x400000), %g3 - or %g3, %lo(0x400000), %g3 - add %g5, %g3, %g5 /* New tte data */ - andn %g5, (_PAGE_G), %g5 - sethi %hi(KERNBASE+0x400000), %g3 - or %g3, %lo(KERNBASE+0x400000), %g3 - mov (62 << 3), %g7 - stxa %g3, [%l7] ASI_DMMU - stxa %g5, [%g7] ASI_DTLB_DATA_ACCESS - membar #Sync - stxa %g3, [%l7] ASI_IMMU - stxa %g5, [%g7] ASI_ITLB_DATA_ACCESS - membar #Sync - flush %g3 - membar #Sync - sethi %hi(KERNBASE), %g3 /* Restore for fixup code below */ -2: ba,pt %xcc, 1f - nop -1: set sun4u_init, %g2 jmpl %g2 + %g0, %g0 nop @@ -483,38 +311,12 @@ sun4u_init: stxa %g0, [%g7] ASI_DMMU membar #Sync - /* We are now safely (we hope) in Nucleus context (0), rewrite - * the KERNBASE TTE's so they no longer have the global bit set. - * Don't forget to setup TAG_ACCESS first 8-) - */ - mov TLB_TAG_ACCESS, %g2 - stxa %g3, [%g2] ASI_IMMU - stxa %g3, [%g2] ASI_DMMU - membar #Sync - BRANCH_IF_ANY_CHEETAH(g1,g7,cheetah_tlb_fixup) ba,pt %xcc, spitfire_tlb_fixup nop cheetah_tlb_fixup: - set (0 << 16) | (15 << 3), %g7 - ldxa [%g7] ASI_ITLB_DATA_ACCESS, %g0 - ldxa [%g7] ASI_ITLB_DATA_ACCESS, %g1 - andn %g1, (_PAGE_G), %g1 - stxa %g1, [%g7] ASI_ITLB_DATA_ACCESS - membar #Sync - - ldxa [%g7] ASI_DTLB_DATA_ACCESS, %g0 - ldxa [%g7] ASI_DTLB_DATA_ACCESS, %g1 - andn %g1, (_PAGE_G), %g1 - stxa %g1, [%g7] ASI_DTLB_DATA_ACCESS - membar #Sync - - /* Kill instruction prefetch queues. */ - flush %g3 - membar #Sync - mov 2, %g2 /* Set TLB type to cheetah+. */ BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,g7,1f) @@ -551,21 +353,6 @@ cheetah_tlb_fixup: nop spitfire_tlb_fixup: - mov (63 << 3), %g7 - ldxa [%g7] ASI_ITLB_DATA_ACCESS, %g1 - andn %g1, (_PAGE_G), %g1 - stxa %g1, [%g7] ASI_ITLB_DATA_ACCESS - membar #Sync - - ldxa [%g7] ASI_DTLB_DATA_ACCESS, %g1 - andn %g1, (_PAGE_G), %g1 - stxa %g1, [%g7] ASI_DTLB_DATA_ACCESS - membar #Sync - - /* Kill instruction prefetch queues. */ - flush %g3 - membar #Sync - /* Set TLB type to spitfire. */ mov 0, %g2 sethi %hi(tlb_type), %g1 @@ -578,24 +365,6 @@ tlb_fixup_done: mov %sp, %l6 mov %o4, %l7 -#if 0 /* We don't do it like this anymore, but for historical hack value - * I leave this snippet here to show how crazy we can be sometimes. 8-) - */ - - /* Setup "Linux Current Register", thanks Sun 8-) */ - wr %g0, 0x1, %pcr - - /* Blackbird errata workaround. See commentary in - * smp.c:smp_percpu_timer_interrupt() for more - * information. - */ - ba,pt %xcc, 99f - nop - .align 64 -99: wr %g6, %g0, %pic - rd %pic, %g0 -#endif - wr %g0, ASI_P, %asi mov 1, %g1 sllx %g1, THREAD_SHIFT, %g1 @@ -756,12 +525,7 @@ bootup_user_stack_end: #include "ttable.S" #include "systbls.S" - - .align 1024 - .globl swapper_pg_dir -swapper_pg_dir: - .word 0 - +#include "ktlb.S" #include "etrap.S" #include "rtrap.S" #include "winfixup.S" @@ -776,8 +540,11 @@ swapper_pg_dir: prom_tba: .xword 0 tlb_type: .word 0 /* Must NOT end up in BSS */ .section ".fixup",#alloc,#execinstr - .globl __ret_efault + + .globl __ret_efault, __retl_efault __ret_efault: ret restore %g0, -EFAULT, %o0 - +__retl_efault: + retl + mov -EFAULT, %o0 diff --git a/arch/sparc64/kernel/ktlb.S b/arch/sparc64/kernel/ktlb.S new file mode 100644 index 00000000000..7796b37f478 --- /dev/null +++ b/arch/sparc64/kernel/ktlb.S @@ -0,0 +1,198 @@ +/* arch/sparc64/kernel/ktlb.S: Kernel mapping TLB miss handling. + * + * Copyright (C) 1995, 1997, 2005 David S. Miller <davem@davemloft.net> + * Copyright (C) 1996 Eddie C. Dost (ecd@brainaid.de) + * Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx) + * Copyright (C) 1996,98,99 Jakub Jelinek (jj@sunsite.mff.cuni.cz) +*/ + +#include <linux/config.h> +#include <asm/head.h> +#include <asm/asi.h> +#include <asm/page.h> +#include <asm/pgtable.h> + + .text + .align 32 + +/* + * On a second level vpte miss, check whether the original fault is to the OBP + * range (note that this is only possible for instruction miss, data misses to + * obp range do not use vpte). If so, go back directly to the faulting address. + * This is because we want to read the tpc, otherwise we have no way of knowing + * the 8k aligned faulting address if we are using >8k kernel pagesize. This + * also ensures no vpte range addresses are dropped into tlb while obp is + * executing (see inherit_locked_prom_mappings() rant). + */ +sparc64_vpte_nucleus: + /* Note that kvmap below has verified that the address is + * in the range MODULES_VADDR --> VMALLOC_END already. So + * here we need only check if it is an OBP address or not. + */ + sethi %hi(LOW_OBP_ADDRESS), %g5 + cmp %g4, %g5 + blu,pn %xcc, kern_vpte + mov 0x1, %g5 + sllx %g5, 32, %g5 + cmp %g4, %g5 + blu,pn %xcc, vpte_insn_obp + nop + + /* These two instructions are patched by paginig_init(). */ +kern_vpte: + sethi %hi(swapper_pgd_zero), %g5 + lduw [%g5 + %lo(swapper_pgd_zero)], %g5 + + /* With kernel PGD in %g5, branch back into dtlb_backend. */ + ba,pt %xcc, sparc64_kpte_continue + andn %g1, 0x3, %g1 /* Finish PMD offset adjustment. */ + +vpte_noent: + /* Restore previous TAG_ACCESS, %g5 is zero, and we will + * skip over the trap instruction so that the top level + * TLB miss handler will thing this %g5 value is just an + * invalid PTE, thus branching to full fault processing. + */ + mov TLB_SFSR, %g1 + stxa %g4, [%g1 + %g1] ASI_DMMU + done + +vpte_insn_obp: + sethi %hi(prom_pmd_phys), %g5 + ldx [%g5 + %lo(prom_pmd_phys)], %g5 + + /* Behave as if we are at TL0. */ + wrpr %g0, 1, %tl + rdpr %tpc, %g4 /* Find original faulting iaddr */ + srlx %g4, 13, %g4 /* Throw out context bits */ + sllx %g4, 13, %g4 /* g4 has vpn + ctx0 now */ + + /* Restore previous TAG_ACCESS. */ + mov TLB_SFSR, %g1 + stxa %g4, [%g1 + %g1] ASI_IMMU + + /* Get PMD offset. */ + srlx %g4, 23, %g6 + and %g6, 0x7ff, %g6 + sllx %g6, 2, %g6 + + /* Load PMD, is it valid? */ + lduwa [%g5 + %g6] ASI_PHYS_USE_EC, %g5 + brz,pn %g5, longpath + sllx %g5, 11, %g5 + + /* Get PTE offset. */ + srlx %g4, 13, %g6 + and %g6, 0x3ff, %g6 + sllx %g6, 3, %g6 + + /* Load PTE. */ + ldxa [%g5 + %g6] ASI_PHYS_USE_EC, %g5 + brgez,pn %g5, longpath + nop + + /* TLB load and return from trap. */ + stxa %g5, [%g0] ASI_ITLB_DATA_IN + retry + +kvmap_do_obp: + sethi %hi(prom_pmd_phys), %g5 + ldx [%g5 + %lo(prom_pmd_phys)], %g5 + + /* Get PMD offset. */ + srlx %g4, 23, %g6 + and %g6, 0x7ff, %g6 + sllx %g6, 2, %g6 + + /* Load PMD, is it valid? */ + lduwa [%g5 + %g6] ASI_PHYS_USE_EC, %g5 + brz,pn %g5, longpath + sllx %g5, 11, %g5 + + /* Get PTE offset. */ + srlx %g4, 13, %g6 + and %g6, 0x3ff, %g6 + sllx %g6, 3, %g6 + + /* Load PTE. */ + ldxa [%g5 + %g6] ASI_PHYS_USE_EC, %g5 + brgez,pn %g5, longpath + nop + + /* TLB load and return from trap. */ + stxa %g5, [%g0] ASI_DTLB_DATA_IN + retry + +/* + * On a first level data miss, check whether this is to the OBP range (note + * that such accesses can be made by prom, as well as by kernel using + * prom_getproperty on "address"), and if so, do not use vpte access ... + * rather, use information saved during inherit_prom_mappings() using 8k + * pagesize. + */ + .align 32 +kvmap: + brgez,pn %g4, kvmap_nonlinear + nop + +#ifdef CONFIG_DEBUG_PAGEALLOC + .globl kvmap_linear_patch +kvmap_linear_patch: +#endif + ba,pt %xcc, kvmap_load + xor %g2, %g4, %g5 + +#ifdef CONFIG_DEBUG_PAGEALLOC + sethi %hi(swapper_pg_dir), %g5 + or %g5, %lo(swapper_pg_dir), %g5 + sllx %g4, 64 - (PGDIR_SHIFT + PGDIR_BITS), %g6 + srlx %g6, 64 - PAGE_SHIFT, %g6 + andn %g6, 0x3, %g6 + lduw [%g5 + %g6], %g5 + brz,pn %g5, longpath + sllx %g4, 64 - (PMD_SHIFT + PMD_BITS), %g6 + srlx %g6, 64 - PAGE_SHIFT, %g6 + sllx %g5, 11, %g5 + andn %g6, 0x3, %g6 + lduwa [%g5 + %g6] ASI_PHYS_USE_EC, %g5 + brz,pn %g5, longpath + sllx %g4, 64 - PMD_SHIFT, %g6 + srlx %g6, 64 - PAGE_SHIFT, %g6 + sllx %g5, 11, %g5 + andn %g6, 0x7, %g6 + ldxa [%g5 + %g6] ASI_PHYS_USE_EC, %g5 + brz,pn %g5, longpath + nop + ba,a,pt %xcc, kvmap_load +#endif + +kvmap_nonlinear: + sethi %hi(MODULES_VADDR), %g5 + cmp %g4, %g5 + blu,pn %xcc, longpath + mov (VMALLOC_END >> 24), %g5 + sllx %g5, 24, %g5 + cmp %g4, %g5 + bgeu,pn %xcc, longpath + nop + +kvmap_check_obp: + sethi %hi(LOW_OBP_ADDRESS), %g5 + cmp %g4, %g5 + blu,pn %xcc, kvmap_vmalloc_addr + mov 0x1, %g5 + sllx %g5, 32, %g5 + cmp %g4, %g5 + blu,pn %xcc, kvmap_do_obp + nop + +kvmap_vmalloc_addr: + /* If we get here, a vmalloc addr was accessed, load kernel VPTE. */ + ldxa [%g3 + %g6] ASI_N, %g5 + brgez,pn %g5, longpath + nop + +kvmap_load: + /* PTE is valid, load into TLB and return from trap. */ + stxa %g5, [%g0] ASI_DTLB_DATA_IN ! Reload TLB + retry diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c index 331382e1a75..cae5b61fe2f 100644 --- a/arch/sparc64/kernel/pci_schizo.c +++ b/arch/sparc64/kernel/pci_schizo.c @@ -330,7 +330,7 @@ static int schizo_ino_to_pil(struct pci_dev *pdev, unsigned int ino) static void tomatillo_wsync_handler(struct ino_bucket *bucket, void *_arg1, void *_arg2) { unsigned long sync_reg = (unsigned long) _arg2; - u64 mask = 1 << (__irq_ino(__irq(bucket)) & IMAP_INO); + u64 mask = 1UL << (__irq_ino(__irq(bucket)) & IMAP_INO); u64 val; int limit; diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c index 5efbff90d66..774ecbb8a03 100644 --- a/arch/sparc64/kernel/ptrace.c +++ b/arch/sparc64/kernel/ptrace.c @@ -31,6 +31,7 @@ #include <asm/visasm.h> #include <asm/spitfire.h> #include <asm/page.h> +#include <asm/cpudata.h> /* Returning from ptrace is a bit tricky because the syscall return * low level code assumes any value returned which is negative and @@ -132,12 +133,16 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, if ((uaddr ^ (unsigned long) kaddr) & (1UL << 13)) { unsigned long start = __pa(kaddr); unsigned long end = start + len; + unsigned long dcache_line_size; + + dcache_line_size = local_cpu_data().dcache_line_size; if (tlb_type == spitfire) { - for (; start < end; start += 32) + for (; start < end; start += dcache_line_size) spitfire_put_dcache_tag(start & 0x3fe0, 0x0); } else { - for (; start < end; start += 32) + start &= ~(dcache_line_size - 1); + for (; start < end; start += dcache_line_size) __asm__ __volatile__( "stxa %%g0, [%0] %1\n\t" "membar #Sync" @@ -150,8 +155,11 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, if (write && tlb_type == spitfire) { unsigned long start = (unsigned long) kaddr; unsigned long end = start + len; + unsigned long icache_line_size; + + icache_line_size = local_cpu_data().icache_line_size; - for (; start < end; start += 32) + for (; start < end; start += icache_line_size) flushi(start); } } diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c index ddbed3341a2..4c9c8f24174 100644 --- a/arch/sparc64/kernel/setup.c +++ b/arch/sparc64/kernel/setup.c @@ -464,8 +464,6 @@ static void __init boot_flags_init(char *commands) } } -extern int prom_probe_memory(void); -extern unsigned long start, end; extern void panic_setup(char *, int *); extern unsigned short root_flags; @@ -492,13 +490,8 @@ void register_prom_callbacks(void) "' linux-.soft2 to .soft2"); } -extern void paging_init(void); - void __init setup_arch(char **cmdline_p) { - unsigned long highest_paddr; - int i; - /* Initialize PROM console and command line. */ *cmdline_p = prom_getbootargs(); strcpy(saved_command_line, *cmdline_p); @@ -517,40 +510,6 @@ void __init setup_arch(char **cmdline_p) boot_flags_init(*cmdline_p); idprom_init(); - (void) prom_probe_memory(); - - /* In paging_init() we tip off this value to see if we need - * to change init_mm.pgd to point to the real alias mapping. - */ - phys_base = 0xffffffffffffffffUL; - highest_paddr = 0UL; - for (i = 0; sp_banks[i].num_bytes != 0; i++) { - unsigned long top; - - if (sp_banks[i].base_addr < phys_base) - phys_base = sp_banks[i].base_addr; - top = sp_banks[i].base_addr + - sp_banks[i].num_bytes; - if (highest_paddr < top) - highest_paddr = top; - } - pfn_base = phys_base >> PAGE_SHIFT; - - switch (tlb_type) { - default: - case spitfire: - kern_base = spitfire_get_itlb_data(sparc64_highest_locked_tlbent()); - kern_base &= _PAGE_PADDR_SF; - break; - - case cheetah: - case cheetah_plus: - kern_base = cheetah_get_litlb_data(sparc64_highest_locked_tlbent()); - kern_base &= _PAGE_PADDR; - break; - }; - - kern_size = (unsigned long)&_end - (unsigned long)KERNBASE; if (!root_flags) root_mountflags &= ~MS_RDONLY; @@ -625,6 +584,9 @@ extern void smp_info(struct seq_file *); extern void smp_bogo(struct seq_file *); extern void mmu_info(struct seq_file *); +unsigned int dcache_parity_tl1_occurred; +unsigned int icache_parity_tl1_occurred; + static int show_cpuinfo(struct seq_file *m, void *__unused) { seq_printf(m, @@ -635,6 +597,8 @@ static int show_cpuinfo(struct seq_file *m, void *__unused) "type\t\t: sun4u\n" "ncpus probed\t: %ld\n" "ncpus active\t: %ld\n" + "D$ parity tl1\t: %u\n" + "I$ parity tl1\t: %u\n" #ifndef CONFIG_SMP "Cpu0Bogo\t: %lu.%02lu\n" "Cpu0ClkTck\t: %016lx\n" @@ -647,7 +611,9 @@ static int show_cpuinfo(struct seq_file *m, void *__unused) (prom_prev >> 8) & 0xff, prom_prev & 0xff, (long)num_possible_cpus(), - (long)num_online_cpus() + (long)num_online_cpus(), + dcache_parity_tl1_occurred, + icache_parity_tl1_occurred #ifndef CONFIG_SMP , cpu_data(0).udelay_val/(500000/HZ), (cpu_data(0).udelay_val/(5000/HZ)) % 100, diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index b4fc6a5462b..590df5a16f5 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -93,6 +93,27 @@ void __init smp_store_cpu_info(int id) cpu_data(id).pte_cache[1] = NULL; cpu_data(id).pgd_cache = NULL; cpu_data(id).idle_volume = 1; + + cpu_data(id).dcache_size = prom_getintdefault(cpu_node, "dcache-size", + 16 * 1024); + cpu_data(id).dcache_line_size = + prom_getintdefault(cpu_node, "dcache-line-size", 32); + cpu_data(id).icache_size = prom_getintdefault(cpu_node, "icache-size", + 16 * 1024); + cpu_data(id).icache_line_size = + prom_getintdefault(cpu_node, "icache-line-size", 32); + cpu_data(id).ecache_size = prom_getintdefault(cpu_node, "ecache-size", + 4 * 1024 * 1024); + cpu_data(id).ecache_line_size = + prom_getintdefault(cpu_node, "ecache-line-size", 64); + printk("CPU[%d]: Caches " + "D[sz(%d):line_sz(%d)] " + "I[sz(%d):line_sz(%d)] " + "E[sz(%d):line_sz(%d)]\n", + id, + cpu_data(id).dcache_size, cpu_data(id).dcache_line_size, + cpu_data(id).icache_size, cpu_data(id).icache_line_size, + cpu_data(id).ecache_size, cpu_data(id).ecache_line_size); } static void smp_setup_percpu_timer(void); diff --git a/arch/sparc64/kernel/sys32.S b/arch/sparc64/kernel/sys32.S index 5f9e4fae612..9cd272ac3ac 100644 --- a/arch/sparc64/kernel/sys32.S +++ b/arch/sparc64/kernel/sys32.S @@ -157,173 +157,199 @@ sys32_socketcall: /* %o0=call, %o1=args */ or %g2, %lo(__socketcall_table_begin), %g2 jmpl %g2 + %o0, %g0 nop +do_einval: + retl + mov -EINVAL, %o0 - /* Each entry is exactly 32 bytes. */ .align 32 __socketcall_table_begin: + + /* Each entry is exactly 32 bytes. */ do_sys_socket: /* sys_socket(int, int, int) */ - ldswa [%o1 + 0x0] %asi, %o0 +1: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_socket), %g1 - ldswa [%o1 + 0x8] %asi, %o2 +2: ldswa [%o1 + 0x8] %asi, %o2 jmpl %g1 + %lo(sys_socket), %g0 - ldswa [%o1 + 0x4] %asi, %o1 +3: ldswa [%o1 + 0x4] %asi, %o1 nop nop nop do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */ - ldswa [%o1 + 0x0] %asi, %o0 +4: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_bind), %g1 - ldswa [%o1 + 0x8] %asi, %o2 +5: ldswa [%o1 + 0x8] %asi, %o2 jmpl %g1 + %lo(sys_bind), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +6: lduwa [%o1 + 0x4] %asi, %o1 nop nop nop do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */ - ldswa [%o1 + 0x0] %asi, %o0 +7: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_connect), %g1 - ldswa [%o1 + 0x8] %asi, %o2 +8: ldswa [%o1 + 0x8] %asi, %o2 jmpl %g1 + %lo(sys_connect), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +9: lduwa [%o1 + 0x4] %asi, %o1 nop nop nop do_sys_listen: /* sys_listen(int, int) */ - ldswa [%o1 + 0x0] %asi, %o0 +10: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_listen), %g1 jmpl %g1 + %lo(sys_listen), %g0 - ldswa [%o1 + 0x4] %asi, %o1 +11: ldswa [%o1 + 0x4] %asi, %o1 nop nop nop nop do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */ - ldswa [%o1 + 0x0] %asi, %o0 +12: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_accept), %g1 - lduwa [%o1 + 0x8] %asi, %o2 +13: lduwa [%o1 + 0x8] %asi, %o2 jmpl %g1 + %lo(sys_accept), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +14: lduwa [%o1 + 0x4] %asi, %o1 nop nop nop do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */ - ldswa [%o1 + 0x0] %asi, %o0 +15: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_getsockname), %g1 - lduwa [%o1 + 0x8] %asi, %o2 +16: lduwa [%o1 + 0x8] %asi, %o2 jmpl %g1 + %lo(sys_getsockname), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +17: lduwa [%o1 + 0x4] %asi, %o1 nop nop nop do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */ - ldswa [%o1 + 0x0] %asi, %o0 +18: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_getpeername), %g1 - lduwa [%o1 + 0x8] %asi, %o2 +19: lduwa [%o1 + 0x8] %asi, %o2 jmpl %g1 + %lo(sys_getpeername), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +20: lduwa [%o1 + 0x4] %asi, %o1 nop nop nop do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */ - ldswa [%o1 + 0x0] %asi, %o0 +21: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_socketpair), %g1 - ldswa [%o1 + 0x8] %asi, %o2 - lduwa [%o1 + 0xc] %asi, %o3 +22: ldswa [%o1 + 0x8] %asi, %o2 +23: lduwa [%o1 + 0xc] %asi, %o3 jmpl %g1 + %lo(sys_socketpair), %g0 - ldswa [%o1 + 0x4] %asi, %o1 +24: ldswa [%o1 + 0x4] %asi, %o1 nop nop do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */ - ldswa [%o1 + 0x0] %asi, %o0 +25: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_send), %g1 - lduwa [%o1 + 0x8] %asi, %o2 - lduwa [%o1 + 0xc] %asi, %o3 +26: lduwa [%o1 + 0x8] %asi, %o2 +27: lduwa [%o1 + 0xc] %asi, %o3 jmpl %g1 + %lo(sys_send), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +28: lduwa [%o1 + 0x4] %asi, %o1 nop nop do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */ - ldswa [%o1 + 0x0] %asi, %o0 +29: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_recv), %g1 - lduwa [%o1 + 0x8] %asi, %o2 - lduwa [%o1 + 0xc] %asi, %o3 +30: lduwa [%o1 + 0x8] %asi, %o2 +31: lduwa [%o1 + 0xc] %asi, %o3 jmpl %g1 + %lo(sys_recv), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +32: lduwa [%o1 + 0x4] %asi, %o1 nop nop do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */ - ldswa [%o1 + 0x0] %asi, %o0 +33: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_sendto), %g1 - lduwa [%o1 + 0x8] %asi, %o2 - lduwa [%o1 + 0xc] %asi, %o3 - lduwa [%o1 + 0x10] %asi, %o4 - ldswa [%o1 + 0x14] %asi, %o5 +34: lduwa [%o1 + 0x8] %asi, %o2 +35: lduwa [%o1 + 0xc] %asi, %o3 +36: lduwa [%o1 + 0x10] %asi, %o4 +37: ldswa [%o1 + 0x14] %asi, %o5 jmpl %g1 + %lo(sys_sendto), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +38: lduwa [%o1 + 0x4] %asi, %o1 do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */ - ldswa [%o1 + 0x0] %asi, %o0 +39: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_recvfrom), %g1 - lduwa [%o1 + 0x8] %asi, %o2 - lduwa [%o1 + 0xc] %asi, %o3 - lduwa [%o1 + 0x10] %asi, %o4 - lduwa [%o1 + 0x14] %asi, %o5 +40: lduwa [%o1 + 0x8] %asi, %o2 +41: lduwa [%o1 + 0xc] %asi, %o3 +42: lduwa [%o1 + 0x10] %asi, %o4 +43: lduwa [%o1 + 0x14] %asi, %o5 jmpl %g1 + %lo(sys_recvfrom), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +44: lduwa [%o1 + 0x4] %asi, %o1 do_sys_shutdown: /* sys_shutdown(int, int) */ - ldswa [%o1 + 0x0] %asi, %o0 +45: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(sys_shutdown), %g1 jmpl %g1 + %lo(sys_shutdown), %g0 - ldswa [%o1 + 0x4] %asi, %o1 +46: ldswa [%o1 + 0x4] %asi, %o1 nop nop nop nop do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */ - ldswa [%o1 + 0x0] %asi, %o0 +47: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(compat_sys_setsockopt), %g1 - ldswa [%o1 + 0x8] %asi, %o2 - lduwa [%o1 + 0xc] %asi, %o3 - ldswa [%o1 + 0x10] %asi, %o4 +48: ldswa [%o1 + 0x8] %asi, %o2 +49: lduwa [%o1 + 0xc] %asi, %o3 +50: ldswa [%o1 + 0x10] %asi, %o4 jmpl %g1 + %lo(compat_sys_setsockopt), %g0 - ldswa [%o1 + 0x4] %asi, %o1 +51: ldswa [%o1 + 0x4] %asi, %o1 nop do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */ - ldswa [%o1 + 0x0] %asi, %o0 +52: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(compat_sys_getsockopt), %g1 - ldswa [%o1 + 0x8] %asi, %o2 - lduwa [%o1 + 0xc] %asi, %o3 - lduwa [%o1 + 0x10] %asi, %o4 +53: ldswa [%o1 + 0x8] %asi, %o2 +54: lduwa [%o1 + 0xc] %asi, %o3 +55: lduwa [%o1 + 0x10] %asi, %o4 jmpl %g1 + %lo(compat_sys_getsockopt), %g0 - ldswa [%o1 + 0x4] %asi, %o1 +56: ldswa [%o1 + 0x4] %asi, %o1 nop do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */ - ldswa [%o1 + 0x0] %asi, %o0 +57: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(compat_sys_sendmsg), %g1 - lduwa [%o1 + 0x8] %asi, %o2 +58: lduwa [%o1 + 0x8] %asi, %o2 jmpl %g1 + %lo(compat_sys_sendmsg), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +59: lduwa [%o1 + 0x4] %asi, %o1 nop nop nop do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */ - ldswa [%o1 + 0x0] %asi, %o0 +60: ldswa [%o1 + 0x0] %asi, %o0 sethi %hi(compat_sys_recvmsg), %g1 - lduwa [%o1 + 0x8] %asi, %o2 +61: lduwa [%o1 + 0x8] %asi, %o2 jmpl %g1 + %lo(compat_sys_recvmsg), %g0 - lduwa [%o1 + 0x4] %asi, %o1 +62: lduwa [%o1 + 0x4] %asi, %o1 nop nop nop -__socketcall_table_end: - -do_einval: - retl - mov -EINVAL, %o0 -do_efault: - retl - mov -EFAULT, %o0 .section __ex_table .align 4 - .word __socketcall_table_begin, 0, __socketcall_table_end, do_efault + .word 1b, __retl_efault, 2b, __retl_efault + .word 3b, __retl_efault, 4b, __retl_efault + .word 5b, __retl_efault, 6b, __retl_efault + .word 7b, __retl_efault, 8b, __retl_efault + .word 9b, __retl_efault, 10b, __retl_efault + .word 11b, __retl_efault, 12b, __retl_efault + .word 13b, __retl_efault, 14b, __retl_efault + .word 15b, __retl_efault, 16b, __retl_efault + .word 17b, __retl_efault, 18b, __retl_efault + .word 19b, __retl_efault, 20b, __retl_efault + .word 21b, __retl_efault, 22b, __retl_efault + .word 23b, __retl_efault, 24b, __retl_efault + .word 25b, __retl_efault, 26b, __retl_efault + .word 27b, __retl_efault, 28b, __retl_efault + .word 29b, __retl_efault, 30b, __retl_efault + .word 31b, __retl_efault, 32b, __retl_efault + .word 33b, __retl_efault, 34b, __retl_efault + .word 35b, __retl_efault, 36b, __retl_efault + .word 37b, __retl_efault, 38b, __retl_efault + .word 39b, __retl_efault, 40b, __retl_efault + .word 41b, __retl_efault, 42b, __retl_efault + .word 43b, __retl_efault, 44b, __retl_efault + .word 45b, __retl_efault, 46b, __retl_efault + .word 47b, __retl_efault, 48b, __retl_efault + .word 49b, __retl_efault, 50b, __retl_efault + .word 51b, __retl_efault, 52b, __retl_efault + .word 53b, __retl_efault, 54b, __retl_efault + .word 55b, __retl_efault, 56b, __retl_efault + .word 57b, __retl_efault, 58b, __retl_efault + .word 59b, __retl_efault, 60b, __retl_efault + .word 61b, __retl_efault, 62b, __retl_efault .previous diff --git a/arch/sparc64/kernel/trampoline.S b/arch/sparc64/kernel/trampoline.S index 3a145fc39cf..89f2fcfcd66 100644 --- a/arch/sparc64/kernel/trampoline.S +++ b/arch/sparc64/kernel/trampoline.S @@ -119,8 +119,8 @@ startup_continue: sethi %hi(itlb_load), %g2 or %g2, %lo(itlb_load), %g2 stx %g2, [%sp + 2047 + 128 + 0x18] - sethi %hi(mmu_ihandle_cache), %g2 - lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 + sethi %hi(prom_mmu_ihandle_cache), %g2 + lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2 stx %g2, [%sp + 2047 + 128 + 0x20] sethi %hi(KERNBASE), %g2 stx %g2, [%sp + 2047 + 128 + 0x28] @@ -156,8 +156,8 @@ startup_continue: sethi %hi(itlb_load), %g2 or %g2, %lo(itlb_load), %g2 stx %g2, [%sp + 2047 + 128 + 0x18] - sethi %hi(mmu_ihandle_cache), %g2 - lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 + sethi %hi(prom_mmu_ihandle_cache), %g2 + lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2 stx %g2, [%sp + 2047 + 128 + 0x20] sethi %hi(KERNBASE + 0x400000), %g2 stx %g2, [%sp + 2047 + 128 + 0x28] @@ -190,8 +190,8 @@ do_dtlb: sethi %hi(dtlb_load), %g2 or %g2, %lo(dtlb_load), %g2 stx %g2, [%sp + 2047 + 128 + 0x18] - sethi %hi(mmu_ihandle_cache), %g2 - lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 + sethi %hi(prom_mmu_ihandle_cache), %g2 + lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2 stx %g2, [%sp + 2047 + 128 + 0x20] sethi %hi(KERNBASE), %g2 stx %g2, [%sp + 2047 + 128 + 0x28] @@ -228,8 +228,8 @@ do_dtlb: sethi %hi(dtlb_load), %g2 or %g2, %lo(dtlb_load), %g2 stx %g2, [%sp + 2047 + 128 + 0x18] - sethi %hi(mmu_ihandle_cache), %g2 - lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 + sethi %hi(prom_mmu_ihandle_cache), %g2 + lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2 stx %g2, [%sp + 2047 + 128 + 0x20] sethi %hi(KERNBASE + 0x400000), %g2 stx %g2, [%sp + 2047 + 128 + 0x28] diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index b280b2ef674..5570e7bb22b 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -189,19 +189,18 @@ void spitfire_data_access_exception(struct pt_regs *regs, unsigned long sfsr, un if (regs->tstate & TSTATE_PRIV) { /* Test if this comes from uaccess places. */ - unsigned long fixup; - unsigned long g2 = regs->u_regs[UREG_G2]; + const struct exception_table_entry *entry; - if ((fixup = search_extables_range(regs->tpc, &g2))) { - /* Ouch, somebody is trying ugly VM hole tricks on us... */ + entry = search_exception_tables(regs->tpc); + if (entry) { + /* Ouch, somebody is trying VM hole tricks on us... */ #ifdef DEBUG_EXCEPTIONS printk("Exception: PC<%016lx> faddr<UNKNOWN>\n", regs->tpc); - printk("EX_TABLE: insn<%016lx> fixup<%016lx> " - "g2<%016lx>\n", regs->tpc, fixup, g2); + printk("EX_TABLE: insn<%016lx> fixup<%016lx>\n", + regs->tpc, entry->fixup); #endif - regs->tpc = fixup; + regs->tpc = entry->fixup; regs->tnpc = regs->tpc + 4; - regs->u_regs[UREG_G2] = g2; return; } /* Shit... */ @@ -758,26 +757,12 @@ void __init cheetah_ecache_flush_init(void) ecache_flush_size = (2 * largest_size); ecache_flush_linesize = smallest_linesize; - /* Discover a physically contiguous chunk of physical - * memory in 'sp_banks' of size ecache_flush_size calculated - * above. Store the physical base of this area at - * ecache_flush_physbase. - */ - for (node = 0; ; node++) { - if (sp_banks[node].num_bytes == 0) - break; - if (sp_banks[node].num_bytes >= ecache_flush_size) { - ecache_flush_physbase = sp_banks[node].base_addr; - break; - } - } + ecache_flush_physbase = find_ecache_flush_span(ecache_flush_size); - /* Note: Zero would be a valid value of ecache_flush_physbase so - * don't use that as the success test. :-) - */ - if (sp_banks[node].num_bytes == 0) { + if (ecache_flush_physbase == ~0UL) { prom_printf("cheetah_ecache_flush_init: Cannot find %d byte " - "contiguous physical memory.\n", ecache_flush_size); + "contiguous physical memory.\n", + ecache_flush_size); prom_halt(); } @@ -869,14 +854,19 @@ static void cheetah_flush_ecache_line(unsigned long physaddr) */ static void __cheetah_flush_icache(void) { - unsigned long i; + unsigned int icache_size, icache_line_size; + unsigned long addr; + + icache_size = local_cpu_data().icache_size; + icache_line_size = local_cpu_data().icache_line_size; /* Clear the valid bits in all the tags. */ - for (i = 0; i < (1 << 15); i += (1 << 5)) { + for (addr = 0; addr < icache_size; addr += icache_line_size) { __asm__ __volatile__("stxa %%g0, [%0] %1\n\t" "membar #Sync" : /* no outputs */ - : "r" (i | (2 << 3)), "i" (ASI_IC_TAG)); + : "r" (addr | (2 << 3)), + "i" (ASI_IC_TAG)); } } @@ -904,13 +894,17 @@ static void cheetah_flush_icache(void) static void cheetah_flush_dcache(void) { - unsigned long i; + unsigned int dcache_size, dcache_line_size; + unsigned long addr; - for (i = 0; i < (1 << 16); i += (1 << 5)) { + dcache_size = local_cpu_data().dcache_size; + dcache_line_size = local_cpu_data().dcache_line_size; + + for (addr = 0; addr < dcache_size; addr += dcache_line_size) { __asm__ __volatile__("stxa %%g0, [%0] %1\n\t" "membar #Sync" : /* no outputs */ - : "r" (i), "i" (ASI_DCACHE_TAG)); + : "r" (addr), "i" (ASI_DCACHE_TAG)); } } @@ -921,24 +915,29 @@ static void cheetah_flush_dcache(void) */ static void cheetah_plus_zap_dcache_parity(void) { - unsigned long i; + unsigned int dcache_size, dcache_line_size; + unsigned long addr; + + dcache_size = local_cpu_data().dcache_size; + dcache_line_size = local_cpu_data().dcache_line_size; - for (i = 0; i < (1 << 16); i += (1 << 5)) { - unsigned long tag = (i >> 14); - unsigned long j; + for (addr = 0; addr < dcache_size; addr += dcache_line_size) { + unsigned long tag = (addr >> 14); + unsigned long line; __asm__ __volatile__("membar #Sync\n\t" "stxa %0, [%1] %2\n\t" "membar #Sync" : /* no outputs */ - : "r" (tag), "r" (i), + : "r" (tag), "r" (addr), "i" (ASI_DCACHE_UTAG)); - for (j = i; j < i + (1 << 5); j += (1 << 3)) + for (line = addr; line < addr + dcache_line_size; line += 8) __asm__ __volatile__("membar #Sync\n\t" "stxa %%g0, [%0] %1\n\t" "membar #Sync" : /* no outputs */ - : "r" (j), "i" (ASI_DCACHE_DATA)); + : "r" (line), + "i" (ASI_DCACHE_DATA)); } } @@ -1332,16 +1331,12 @@ static int cheetah_fix_ce(unsigned long physaddr) /* Return non-zero if PADDR is a valid physical memory address. */ static int cheetah_check_main_memory(unsigned long paddr) { - int i; + unsigned long vaddr = PAGE_OFFSET + paddr; - for (i = 0; ; i++) { - if (sp_banks[i].num_bytes == 0) - break; - if (paddr >= sp_banks[i].base_addr && - paddr < (sp_banks[i].base_addr + sp_banks[i].num_bytes)) - return 1; - } - return 0; + if (vaddr > (unsigned long) high_memory) + return 0; + + return kern_addr_valid(vaddr); } void cheetah_cee_handler(struct pt_regs *regs, unsigned long afsr, unsigned long afar) @@ -1596,10 +1591,10 @@ void cheetah_deferred_handler(struct pt_regs *regs, unsigned long afsr, unsigned /* OK, usermode access. */ recoverable = 1; } else { - unsigned long g2 = regs->u_regs[UREG_G2]; - unsigned long fixup = search_extables_range(regs->tpc, &g2); + const struct exception_table_entry *entry; - if (fixup != 0UL) { + entry = search_exception_tables(regs->tpc); + if (entry) { /* OK, kernel access to userspace. */ recoverable = 1; @@ -1618,9 +1613,8 @@ void cheetah_deferred_handler(struct pt_regs *regs, unsigned long afsr, unsigned * recoverable condition. */ if (recoverable) { - regs->tpc = fixup; + regs->tpc = entry->fixup; regs->tnpc = regs->tpc + 4; - regs->u_regs[UREG_G2] = g2; } } } diff --git a/arch/sparc64/kernel/una_asm.S b/arch/sparc64/kernel/una_asm.S index da48400bcc9..1f5b5b708ce 100644 --- a/arch/sparc64/kernel/una_asm.S +++ b/arch/sparc64/kernel/una_asm.S @@ -6,13 +6,6 @@ .text -kernel_unaligned_trap_fault: - call kernel_mna_trap_fault - nop - retl - nop - .size kern_unaligned_trap_fault, .-kern_unaligned_trap_fault - .globl __do_int_store __do_int_store: rd %asi, %o4 @@ -51,24 +44,24 @@ __do_int_store: 0: wr %o4, 0x0, %asi retl - nop + mov 0, %o0 .size __do_int_store, .-__do_int_store .section __ex_table - .word 4b, kernel_unaligned_trap_fault - .word 5b, kernel_unaligned_trap_fault - .word 6b, kernel_unaligned_trap_fault - .word 7b, kernel_unaligned_trap_fault - .word 8b, kernel_unaligned_trap_fault - .word 9b, kernel_unaligned_trap_fault - .word 10b, kernel_unaligned_trap_fault - .word 11b, kernel_unaligned_trap_fault - .word 12b, kernel_unaligned_trap_fault - .word 13b, kernel_unaligned_trap_fault - .word 14b, kernel_unaligned_trap_fault - .word 15b, kernel_unaligned_trap_fault - .word 16b, kernel_unaligned_trap_fault - .word 17b, kernel_unaligned_trap_fault + .word 4b, __retl_efault + .word 5b, __retl_efault + .word 6b, __retl_efault + .word 7b, __retl_efault + .word 8b, __retl_efault + .word 9b, __retl_efault + .word 10b, __retl_efault + .word 11b, __retl_efault + .word 12b, __retl_efault + .word 13b, __retl_efault + .word 14b, __retl_efault + .word 15b, __retl_efault + .word 16b, __retl_efault + .word 17b, __retl_efault .previous .globl do_int_load @@ -133,21 +126,21 @@ do_int_load: 0: wr %o5, 0x0, %asi retl - nop + mov 0, %o0 .size __do_int_load, .-__do_int_load .section __ex_table - .word 4b, kernel_unaligned_trap_fault - .word 5b, kernel_unaligned_trap_fault - .word 6b, kernel_unaligned_trap_fault - .word 7b, kernel_unaligned_trap_fault - .word 8b, kernel_unaligned_trap_fault - .word 9b, kernel_unaligned_trap_fault - .word 10b, kernel_unaligned_trap_fault - .word 11b, kernel_unaligned_trap_fault - .word 12b, kernel_unaligned_trap_fault - .word 13b, kernel_unaligned_trap_fault - .word 14b, kernel_unaligned_trap_fault - .word 15b, kernel_unaligned_trap_fault - .word 16b, kernel_unaligned_trap_fault + .word 4b, __retl_efault + .word 5b, __retl_efault + .word 6b, __retl_efault + .word 7b, __retl_efault + .word 8b, __retl_efault + .word 9b, __retl_efault + .word 10b, __retl_efault + .word 11b, __retl_efault + .word 12b, __retl_efault + .word 13b, __retl_efault + .word 14b, __retl_efault + .word 15b, __retl_efault + .word 16b, __retl_efault .previous diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c index 42718f6a7d3..70faf630603 100644 --- a/arch/sparc64/kernel/unaligned.c +++ b/arch/sparc64/kernel/unaligned.c @@ -180,14 +180,14 @@ static void __attribute_used__ unaligned_panic(char *str, struct pt_regs *regs) die_if_kernel(str, regs); } -extern void do_int_load(unsigned long *dest_reg, int size, - unsigned long *saddr, int is_signed, int asi); +extern int do_int_load(unsigned long *dest_reg, int size, + unsigned long *saddr, int is_signed, int asi); -extern void __do_int_store(unsigned long *dst_addr, int size, - unsigned long src_val, int asi); +extern int __do_int_store(unsigned long *dst_addr, int size, + unsigned long src_val, int asi); -static inline void do_int_store(int reg_num, int size, unsigned long *dst_addr, - struct pt_regs *regs, int asi, int orig_asi) +static inline int do_int_store(int reg_num, int size, unsigned long *dst_addr, + struct pt_regs *regs, int asi, int orig_asi) { unsigned long zero = 0; unsigned long *src_val_p = &zero; @@ -219,7 +219,7 @@ static inline void do_int_store(int reg_num, int size, unsigned long *dst_addr, break; }; } - __do_int_store(dst_addr, size, src_val, asi); + return __do_int_store(dst_addr, size, src_val, asi); } static inline void advance(struct pt_regs *regs) @@ -242,14 +242,14 @@ static inline int ok_for_kernel(unsigned int insn) return !floating_point_load_or_store_p(insn); } -void kernel_mna_trap_fault(void) +static void kernel_mna_trap_fault(void) { struct pt_regs *regs = current_thread_info()->kern_una_regs; unsigned int insn = current_thread_info()->kern_una_insn; - unsigned long g2 = regs->u_regs[UREG_G2]; - unsigned long fixup = search_extables_range(regs->tpc, &g2); + const struct exception_table_entry *entry; - if (!fixup) { + entry = search_exception_tables(regs->tpc); + if (!entry) { unsigned long address; address = compute_effective_address(regs, insn, @@ -270,9 +270,8 @@ void kernel_mna_trap_fault(void) die_if_kernel("Oops", regs); /* Not reached */ } - regs->tpc = fixup; + regs->tpc = entry->fixup; regs->tnpc = regs->tpc + 4; - regs->u_regs [UREG_G2] = g2; regs->tstate &= ~TSTATE_ASI; regs->tstate |= (ASI_AIUS << 24UL); @@ -294,8 +293,8 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u kernel_mna_trap_fault(); } else { - unsigned long addr; - int orig_asi, asi; + unsigned long addr, *reg_addr; + int orig_asi, asi, err; addr = compute_effective_address(regs, insn, ((insn >> 25) & 0x1f)); @@ -319,11 +318,12 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u }; switch (dir) { case load: - do_int_load(fetch_reg_addr(((insn>>25)&0x1f), regs), - size, (unsigned long *) addr, - decode_signedness(insn), asi); - if (unlikely(asi != orig_asi)) { - unsigned long val_in = *(unsigned long *) addr; + reg_addr = fetch_reg_addr(((insn>>25)&0x1f), regs); + err = do_int_load(reg_addr, size, + (unsigned long *) addr, + decode_signedness(insn), asi); + if (likely(!err) && unlikely(asi != orig_asi)) { + unsigned long val_in = *reg_addr; switch (size) { case 2: val_in = swab16(val_in); @@ -339,21 +339,24 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u BUG(); break; }; - *(unsigned long *) addr = val_in; + *reg_addr = val_in; } break; case store: - do_int_store(((insn>>25)&0x1f), size, - (unsigned long *) addr, regs, - asi, orig_asi); + err = do_int_store(((insn>>25)&0x1f), size, + (unsigned long *) addr, regs, + asi, orig_asi); break; default: panic("Impossible kernel unaligned trap."); /* Not reached... */ } - advance(regs); + if (unlikely(err)) + kernel_mna_trap_fault(); + else + advance(regs); } } diff --git a/arch/sparc64/kernel/us3_cpufreq.c b/arch/sparc64/kernel/us3_cpufreq.c index 9080e7cd4bb..0340041f614 100644 --- a/arch/sparc64/kernel/us3_cpufreq.c +++ b/arch/sparc64/kernel/us3_cpufreq.c @@ -208,7 +208,10 @@ static int __init us3_freq_init(void) impl = ((ver >> 32) & 0xffff); if (manuf == CHEETAH_MANUF && - (impl == CHEETAH_IMPL || impl == CHEETAH_PLUS_IMPL)) { + (impl == CHEETAH_IMPL || + impl == CHEETAH_PLUS_IMPL || + impl == JAGUAR_IMPL || + impl == PANTHER_IMPL)) { struct cpufreq_driver *driver; ret = -ENOMEM; diff --git a/arch/sparc64/kernel/vmlinux.lds.S b/arch/sparc64/kernel/vmlinux.lds.S index f47d0be3937..2af0cf0a864 100644 --- a/arch/sparc64/kernel/vmlinux.lds.S +++ b/arch/sparc64/kernel/vmlinux.lds.S @@ -9,8 +9,7 @@ ENTRY(_start) jiffies = jiffies_64; SECTIONS { - swapper_pmd_dir = 0x0000000000402000; - empty_pg_dir = 0x0000000000403000; + swapper_low_pmd_dir = 0x0000000000402000; . = 0x4000; .text 0x0000000000404000 : { diff --git a/arch/sparc64/lib/strncpy_from_user.S b/arch/sparc64/lib/strncpy_from_user.S index 09cbbaa0ebf..e1264650ca7 100644 --- a/arch/sparc64/lib/strncpy_from_user.S +++ b/arch/sparc64/lib/strncpy_from_user.S @@ -125,15 +125,11 @@ __strncpy_from_user: add %o2, %o3, %o0 .size __strncpy_from_user, .-__strncpy_from_user - .section .fixup,#alloc,#execinstr - .align 4 -4: retl - mov -EFAULT, %o0 - .section __ex_table,#alloc .align 4 - .word 60b, 4b - .word 61b, 4b - .word 62b, 4b - .word 63b, 4b - .word 64b, 4b + .word 60b, __retl_efault + .word 61b, __retl_efault + .word 62b, __retl_efault + .word 63b, __retl_efault + .word 64b, __retl_efault + .previous diff --git a/arch/sparc64/lib/user_fixup.c b/arch/sparc64/lib/user_fixup.c index 0278e34125d..19d1fdb17d0 100644 --- a/arch/sparc64/lib/user_fixup.c +++ b/arch/sparc64/lib/user_fixup.c @@ -11,61 +11,56 @@ /* Calculating the exact fault address when using * block loads and stores can be very complicated. + * * Instead of trying to be clever and handling all * of the cases, just fix things up simply here. */ -unsigned long copy_from_user_fixup(void *to, const void __user *from, unsigned long size) +static unsigned long compute_size(unsigned long start, unsigned long size, unsigned long *offset) { - char *dst = to; - const char __user *src = from; + unsigned long fault_addr = current_thread_info()->fault_address; + unsigned long end = start + size; - while (size) { - if (__get_user(*dst, src)) - break; - dst++; - src++; - size--; + if (fault_addr < start || fault_addr >= end) { + *offset = 0; + } else { + *offset = start - fault_addr; + size = end - fault_addr; } + return size; +} - if (size) - memset(dst, 0, size); +unsigned long copy_from_user_fixup(void *to, const void __user *from, unsigned long size) +{ + unsigned long offset; + + size = compute_size((unsigned long) from, size, &offset); + if (likely(size)) + memset(to + offset, 0, size); return size; } unsigned long copy_to_user_fixup(void __user *to, const void *from, unsigned long size) { - char __user *dst = to; - const char *src = from; - - while (size) { - if (__put_user(*src, dst)) - break; - dst++; - src++; - size--; - } + unsigned long offset; - return size; + return compute_size((unsigned long) to, size, &offset); } unsigned long copy_in_user_fixup(void __user *to, void __user *from, unsigned long size) { - char __user *dst = to; - char __user *src = from; + unsigned long fault_addr = current_thread_info()->fault_address; + unsigned long start = (unsigned long) to; + unsigned long end = start + size; - while (size) { - char tmp; + if (fault_addr >= start && fault_addr < end) + return end - fault_addr; - if (__get_user(tmp, src)) - break; - if (__put_user(tmp, dst)) - break; - dst++; - src++; - size--; - } + start = (unsigned long) from; + end = start + size; + if (fault_addr >= start && fault_addr < end) + return end - fault_addr; return size; } diff --git a/arch/sparc64/mm/Makefile b/arch/sparc64/mm/Makefile index cda87333a77..9d0960e69f4 100644 --- a/arch/sparc64/mm/Makefile +++ b/arch/sparc64/mm/Makefile @@ -5,6 +5,6 @@ EXTRA_AFLAGS := -ansi EXTRA_CFLAGS := -Werror -obj-y := ultra.o tlb.o fault.o init.o generic.o extable.o +obj-y := ultra.o tlb.o fault.o init.o generic.o obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o diff --git a/arch/sparc64/mm/extable.c b/arch/sparc64/mm/extable.c deleted file mode 100644 index ec334297ff4..00000000000 --- a/arch/sparc64/mm/extable.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * linux/arch/sparc64/mm/extable.c - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <asm/uaccess.h> - -extern const struct exception_table_entry __start___ex_table[]; -extern const struct exception_table_entry __stop___ex_table[]; - -void sort_extable(struct exception_table_entry *start, - struct exception_table_entry *finish) -{ -} - -/* Caller knows they are in a range if ret->fixup == 0 */ -const struct exception_table_entry * -search_extable(const struct exception_table_entry *start, - const struct exception_table_entry *last, - unsigned long value) -{ - const struct exception_table_entry *walk; - - /* Single insn entries are encoded as: - * word 1: insn address - * word 2: fixup code address - * - * Range entries are encoded as: - * word 1: first insn address - * word 2: 0 - * word 3: last insn address + 4 bytes - * word 4: fixup code address - * - * See asm/uaccess.h for more details. - */ - - /* 1. Try to find an exact match. */ - for (walk = start; walk <= last; walk++) { - if (walk->fixup == 0) { - /* A range entry, skip both parts. */ - walk++; - continue; - } - - if (walk->insn == value) - return walk; - } - - /* 2. Try to find a range match. */ - for (walk = start; walk <= (last - 1); walk++) { - if (walk->fixup) - continue; - - if (walk[0].insn <= value && walk[1].insn > value) - return walk; - - walk++; - } - - return NULL; -} - -/* Special extable search, which handles ranges. Returns fixup */ -unsigned long search_extables_range(unsigned long addr, unsigned long *g2) -{ - const struct exception_table_entry *entry; - - entry = search_exception_tables(addr); - if (!entry) - return 0; - - /* Inside range? Fix g2 and return correct fixup */ - if (!entry->fixup) { - *g2 = (addr - entry->insn) / 4; - return (entry + 1)->fixup; - } - - return entry->fixup; -} diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c index db1e3310e90..31fbc67719a 100644 --- a/arch/sparc64/mm/fault.c +++ b/arch/sparc64/mm/fault.c @@ -32,8 +32,6 @@ #define ELEMENTS(arr) (sizeof (arr)/sizeof (arr[0])) -extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS]; - /* * To debug kernel to catch accesses to certain virtual/physical addresses. * Mode = 0 selects physical watchpoints, mode = 1 selects virtual watchpoints. @@ -71,53 +69,6 @@ void set_brkpt(unsigned long addr, unsigned char mask, int flags, int mode) : "memory"); } -/* Nice, simple, prom library does all the sweating for us. ;) */ -unsigned long __init prom_probe_memory (void) -{ - register struct linux_mlist_p1275 *mlist; - register unsigned long bytes, base_paddr, tally; - register int i; - - i = 0; - mlist = *prom_meminfo()->p1275_available; - bytes = tally = mlist->num_bytes; - base_paddr = mlist->start_adr; - - sp_banks[0].base_addr = base_paddr; - sp_banks[0].num_bytes = bytes; - - while (mlist->theres_more != (void *) 0) { - i++; - mlist = mlist->theres_more; - bytes = mlist->num_bytes; - tally += bytes; - if (i >= SPARC_PHYS_BANKS-1) { - printk ("The machine has more banks than " - "this kernel can support\n" - "Increase the SPARC_PHYS_BANKS " - "setting (currently %d)\n", - SPARC_PHYS_BANKS); - i = SPARC_PHYS_BANKS-1; - break; - } - - sp_banks[i].base_addr = mlist->start_adr; - sp_banks[i].num_bytes = mlist->num_bytes; - } - - i++; - sp_banks[i].base_addr = 0xdeadbeefbeefdeadUL; - sp_banks[i].num_bytes = 0; - - /* Now mask all bank sizes on a page boundary, it is all we can - * use anyways. - */ - for (i = 0; sp_banks[i].num_bytes != 0; i++) - sp_banks[i].num_bytes &= PAGE_MASK; - - return tally; -} - static void __kprobes unhandled_fault(unsigned long address, struct task_struct *tsk, struct pt_regs *regs) @@ -242,7 +193,6 @@ static unsigned int get_fault_insn(struct pt_regs *regs, unsigned int insn) static void do_kernel_fault(struct pt_regs *regs, int si_code, int fault_code, unsigned int insn, unsigned long address) { - unsigned long g2; unsigned char asi = ASI_P; if ((!insn) && (regs->tstate & TSTATE_PRIV)) @@ -273,11 +223,9 @@ static void do_kernel_fault(struct pt_regs *regs, int si_code, int fault_code, } } - g2 = regs->u_regs[UREG_G2]; - /* Is this in ex_table? */ if (regs->tstate & TSTATE_PRIV) { - unsigned long fixup; + const struct exception_table_entry *entry; if (asi == ASI_P && (insn & 0xc0800000) == 0xc0800000) { if (insn & 0x2000) @@ -288,10 +236,9 @@ static void do_kernel_fault(struct pt_regs *regs, int si_code, int fault_code, /* Look in asi.h: All _S asis have LS bit set */ if ((asi & 0x1) && - (fixup = search_extables_range(regs->tpc, &g2))) { - regs->tpc = fixup; + (entry = search_exception_tables(regs->tpc))) { + regs->tpc = entry->fixup; regs->tnpc = regs->tpc + 4; - regs->u_regs[UREG_G2] = g2; return; } } else { @@ -461,7 +408,7 @@ good_area: } up_read(&mm->mmap_sem); - goto fault_done; + return; /* * Something tried to access memory that isn't in our memory map.. @@ -473,8 +420,7 @@ bad_area: handle_kernel_fault: do_kernel_fault(regs, si_code, fault_code, insn, address); - - goto fault_done; + return; /* * We ran out of memory, or some other thing happened to us that made @@ -505,9 +451,4 @@ do_sigbus: /* Kernel mode? Handle exceptions or die */ if (regs->tstate & TSTATE_PRIV) goto handle_kernel_fault; - -fault_done: - /* These values are no longer needed, clear them. */ - set_thread_fault_code(0); - current_thread_info()->fault_address = 0; } diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index fdb1ebb308c..5db50524f20 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -20,6 +20,8 @@ #include <linux/fs.h> #include <linux/seq_file.h> #include <linux/kprobes.h> +#include <linux/cache.h> +#include <linux/sort.h> #include <asm/head.h> #include <asm/system.h> @@ -40,24 +42,80 @@ extern void device_scan(void); -struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS]; +#define MAX_BANKS 32 -unsigned long *sparc64_valid_addr_bitmap; +static struct linux_prom64_registers pavail[MAX_BANKS] __initdata; +static struct linux_prom64_registers pavail_rescan[MAX_BANKS] __initdata; +static int pavail_ents __initdata; +static int pavail_rescan_ents __initdata; + +static int cmp_p64(const void *a, const void *b) +{ + const struct linux_prom64_registers *x = a, *y = b; + + if (x->phys_addr > y->phys_addr) + return 1; + if (x->phys_addr < y->phys_addr) + return -1; + return 0; +} + +static void __init read_obp_memory(const char *property, + struct linux_prom64_registers *regs, + int *num_ents) +{ + int node = prom_finddevice("/memory"); + int prop_size = prom_getproplen(node, property); + int ents, ret, i; + + ents = prop_size / sizeof(struct linux_prom64_registers); + if (ents > MAX_BANKS) { + prom_printf("The machine has more %s property entries than " + "this kernel can support (%d).\n", + property, MAX_BANKS); + prom_halt(); + } + + ret = prom_getproperty(node, property, (char *) regs, prop_size); + if (ret == -1) { + prom_printf("Couldn't get %s property from /memory.\n"); + prom_halt(); + } + + *num_ents = ents; + + /* Sanitize what we got from the firmware, by page aligning + * everything. + */ + for (i = 0; i < ents; i++) { + unsigned long base, size; + + base = regs[i].phys_addr; + size = regs[i].reg_size; + + size &= PAGE_MASK; + if (base & ~PAGE_MASK) { + unsigned long new_base = PAGE_ALIGN(base); + + size -= new_base - base; + if ((long) size < 0L) + size = 0UL; + base = new_base; + } + regs[i].phys_addr = base; + regs[i].reg_size = size; + } + sort(regs, ents, sizeof(struct linux_prom64_registers), + cmp_p64, NULL); +} + +unsigned long *sparc64_valid_addr_bitmap __read_mostly; /* Ugly, but necessary... -DaveM */ -unsigned long phys_base; -unsigned long kern_base; -unsigned long kern_size; -unsigned long pfn_base; - -/* This is even uglier. We have a problem where the kernel may not be - * located at phys_base. However, initial __alloc_bootmem() calls need to - * be adjusted to be within the 4-8Megs that the kernel is mapped to, else - * those page mappings wont work. Things are ok after inherit_prom_mappings - * is called though. Dave says he'll clean this up some other time. - * -- BenC - */ -static unsigned long bootmap_base; +unsigned long phys_base __read_mostly; +unsigned long kern_base __read_mostly; +unsigned long kern_size __read_mostly; +unsigned long pfn_base __read_mostly; /* get_new_mmu_context() uses "cache + 1". */ DEFINE_SPINLOCK(ctx_alloc_lock); @@ -73,7 +131,7 @@ extern unsigned long sparc_ramdisk_image64; extern unsigned int sparc_ramdisk_image; extern unsigned int sparc_ramdisk_size; -struct page *mem_map_zero; +struct page *mem_map_zero __read_mostly; int bigkernel = 0; @@ -179,8 +237,6 @@ static __inline__ void clear_dcache_dirty_cpu(struct page *page, unsigned long c : "g1", "g7"); } -extern void __update_mmu_cache(unsigned long mmu_context_hw, unsigned long address, pte_t pte, int code); - void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) { struct page *page; @@ -207,10 +263,6 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t p put_cpu(); } - - if (get_thread_fault_code()) - __update_mmu_cache(CTX_NRBITS(vma->vm_mm->context), - address, pte, get_thread_fault_code()); } void flush_dcache_page(struct page *page) @@ -309,6 +361,7 @@ struct linux_prom_translation { unsigned long size; unsigned long data; }; +static struct linux_prom_translation prom_trans[512] __initdata; extern unsigned long prom_boot_page; extern void prom_remap(unsigned long physpage, unsigned long virtpage, int mmu_ihandle); @@ -318,14 +371,63 @@ extern void register_prom_callbacks(void); /* Exported for SMP bootup purposes. */ unsigned long kern_locked_tte_data; -void __init early_pgtable_allocfail(char *type) +/* Exported for kernel TLB miss handling in ktlb.S */ +unsigned long prom_pmd_phys __read_mostly; +unsigned int swapper_pgd_zero __read_mostly; + +/* Allocate power-of-2 aligned chunks from the end of the + * kernel image. Return physical address. + */ +static inline unsigned long early_alloc_phys(unsigned long size) { - prom_printf("inherit_prom_mappings: Cannot alloc kernel %s.\n", type); - prom_halt(); + unsigned long base; + + BUILD_BUG_ON(size & (size - 1)); + + kern_size = (kern_size + (size - 1)) & ~(size - 1); + base = kern_base + kern_size; + kern_size += size; + + return base; +} + +static inline unsigned long load_phys32(unsigned long pa) +{ + unsigned long val; + + __asm__ __volatile__("lduwa [%1] %2, %0" + : "=&r" (val) + : "r" (pa), "i" (ASI_PHYS_USE_EC)); + + return val; +} + +static inline unsigned long load_phys64(unsigned long pa) +{ + unsigned long val; + + __asm__ __volatile__("ldxa [%1] %2, %0" + : "=&r" (val) + : "r" (pa), "i" (ASI_PHYS_USE_EC)); + + return val; +} + +static inline void store_phys32(unsigned long pa, unsigned long val) +{ + __asm__ __volatile__("stwa %0, [%1] %2" + : /* no outputs */ + : "r" (val), "r" (pa), "i" (ASI_PHYS_USE_EC)); +} + +static inline void store_phys64(unsigned long pa, unsigned long val) +{ + __asm__ __volatile__("stxa %0, [%1] %2" + : /* no outputs */ + : "r" (val), "r" (pa), "i" (ASI_PHYS_USE_EC)); } #define BASE_PAGE_SIZE 8192 -static pmd_t *prompmd; /* * Translate PROM's mapping we capture at boot time into physical address. @@ -333,278 +435,172 @@ static pmd_t *prompmd; */ unsigned long prom_virt_to_phys(unsigned long promva, int *error) { - pmd_t *pmdp = prompmd + ((promva >> 23) & 0x7ff); - pte_t *ptep; + unsigned long pmd_phys = (prom_pmd_phys + + ((promva >> 23) & 0x7ff) * sizeof(pmd_t)); + unsigned long pte_phys; + pmd_t pmd_ent; + pte_t pte_ent; unsigned long base; - if (pmd_none(*pmdp)) { + pmd_val(pmd_ent) = load_phys32(pmd_phys); + if (pmd_none(pmd_ent)) { if (error) *error = 1; - return(0); + return 0; } - ptep = (pte_t *)__pmd_page(*pmdp) + ((promva >> 13) & 0x3ff); - if (!pte_present(*ptep)) { + + pte_phys = (unsigned long)pmd_val(pmd_ent) << 11UL; + pte_phys += ((promva >> 13) & 0x3ff) * sizeof(pte_t); + pte_val(pte_ent) = load_phys64(pte_phys); + if (!pte_present(pte_ent)) { if (error) *error = 1; - return(0); + return 0; } if (error) { *error = 0; - return(pte_val(*ptep)); + return pte_val(pte_ent); } - base = pte_val(*ptep) & _PAGE_PADDR; - return(base + (promva & (BASE_PAGE_SIZE - 1))); + base = pte_val(pte_ent) & _PAGE_PADDR; + return (base + (promva & (BASE_PAGE_SIZE - 1))); } -static void inherit_prom_mappings(void) +/* The obp translations are saved based on 8k pagesize, since obp can + * use a mixture of pagesizes. Misses to the LOW_OBP_ADDRESS -> + * HI_OBP_ADDRESS range are handled in entry.S and do not use the vpte + * scheme (also, see rant in inherit_locked_prom_mappings()). + */ +static void __init build_obp_range(unsigned long start, unsigned long end, unsigned long data) { - struct linux_prom_translation *trans; - unsigned long phys_page, tte_vaddr, tte_data; - void (*remap_func)(unsigned long, unsigned long, int); - pmd_t *pmdp; - pte_t *ptep; - int node, n, i, tsz; - extern unsigned int obp_iaddr_patch[2], obp_daddr_patch[2]; + unsigned long vaddr; - node = prom_finddevice("/virtual-memory"); - n = prom_getproplen(node, "translations"); - if (n == 0 || n == -1) { - prom_printf("Couldn't get translation property\n"); - prom_halt(); - } - n += 5 * sizeof(struct linux_prom_translation); - for (tsz = 1; tsz < n; tsz <<= 1) - /* empty */; - trans = __alloc_bootmem(tsz, SMP_CACHE_BYTES, bootmap_base); - if (trans == NULL) { - prom_printf("inherit_prom_mappings: Cannot alloc translations.\n"); - prom_halt(); - } - memset(trans, 0, tsz); + for (vaddr = start; vaddr < end; vaddr += BASE_PAGE_SIZE) { + unsigned long val, pte_phys, pmd_phys; + pmd_t pmd_ent; + int i; - if ((n = prom_getproperty(node, "translations", (char *)trans, tsz)) == -1) { - prom_printf("Couldn't get translation property\n"); - prom_halt(); - } - n = n / sizeof(*trans); + pmd_phys = (prom_pmd_phys + + (((vaddr >> 23) & 0x7ff) * sizeof(pmd_t))); + pmd_val(pmd_ent) = load_phys32(pmd_phys); + if (pmd_none(pmd_ent)) { + pte_phys = early_alloc_phys(BASE_PAGE_SIZE); - /* - * The obp translations are saved based on 8k pagesize, since obp can - * use a mixture of pagesizes. Misses to the 0xf0000000 - 0x100000000, - * ie obp range, are handled in entry.S and do not use the vpte scheme - * (see rant in inherit_locked_prom_mappings()). - */ -#define OBP_PMD_SIZE 2048 - prompmd = __alloc_bootmem(OBP_PMD_SIZE, OBP_PMD_SIZE, bootmap_base); - if (prompmd == NULL) - early_pgtable_allocfail("pmd"); - memset(prompmd, 0, OBP_PMD_SIZE); - for (i = 0; i < n; i++) { - unsigned long vaddr; - - if (trans[i].virt >= LOW_OBP_ADDRESS && trans[i].virt < HI_OBP_ADDRESS) { - for (vaddr = trans[i].virt; - ((vaddr < trans[i].virt + trans[i].size) && - (vaddr < HI_OBP_ADDRESS)); - vaddr += BASE_PAGE_SIZE) { - unsigned long val; - - pmdp = prompmd + ((vaddr >> 23) & 0x7ff); - if (pmd_none(*pmdp)) { - ptep = __alloc_bootmem(BASE_PAGE_SIZE, - BASE_PAGE_SIZE, - bootmap_base); - if (ptep == NULL) - early_pgtable_allocfail("pte"); - memset(ptep, 0, BASE_PAGE_SIZE); - pmd_set(pmdp, ptep); - } - ptep = (pte_t *)__pmd_page(*pmdp) + - ((vaddr >> 13) & 0x3ff); + for (i = 0; i < BASE_PAGE_SIZE / sizeof(pte_t); i++) + store_phys64(pte_phys+i*sizeof(pte_t),0); - val = trans[i].data; + pmd_val(pmd_ent) = pte_phys >> 11UL; + store_phys32(pmd_phys, pmd_val(pmd_ent)); + } - /* Clear diag TTE bits. */ - if (tlb_type == spitfire) - val &= ~0x0003fe0000000000UL; + pte_phys = (unsigned long)pmd_val(pmd_ent) << 11UL; + pte_phys += (((vaddr >> 13) & 0x3ff) * sizeof(pte_t)); - set_pte_at(&init_mm, vaddr, - ptep, __pte(val | _PAGE_MODIFIED)); - trans[i].data += BASE_PAGE_SIZE; - } - } - } - phys_page = __pa(prompmd); - obp_iaddr_patch[0] |= (phys_page >> 10); - obp_iaddr_patch[1] |= (phys_page & 0x3ff); - flushi((long)&obp_iaddr_patch[0]); - obp_daddr_patch[0] |= (phys_page >> 10); - obp_daddr_patch[1] |= (phys_page & 0x3ff); - flushi((long)&obp_daddr_patch[0]); + val = data; - /* Now fixup OBP's idea about where we really are mapped. */ - prom_printf("Remapping the kernel... "); + /* Clear diag TTE bits. */ + if (tlb_type == spitfire) + val &= ~0x0003fe0000000000UL; - /* Spitfire Errata #32 workaround */ - /* NOTE: Using plain zero for the context value is - * correct here, we are not using the Linux trap - * tables yet so we should not use the special - * UltraSPARC-III+ page size encodings yet. - */ - __asm__ __volatile__("stxa %0, [%1] %2\n\t" - "flush %%g6" - : /* No outputs */ - : "r" (0), "r" (PRIMARY_CONTEXT), "i" (ASI_DMMU)); - - switch (tlb_type) { - default: - case spitfire: - phys_page = spitfire_get_dtlb_data(sparc64_highest_locked_tlbent()); - break; - - case cheetah: - case cheetah_plus: - phys_page = cheetah_get_litlb_data(sparc64_highest_locked_tlbent()); - break; - }; - - phys_page &= _PAGE_PADDR; - phys_page += ((unsigned long)&prom_boot_page - - (unsigned long)KERNBASE); + store_phys64(pte_phys, val | _PAGE_MODIFIED); - if (tlb_type == spitfire) { - /* Lock this into i/d tlb entry 59 */ - __asm__ __volatile__( - "stxa %%g0, [%2] %3\n\t" - "stxa %0, [%1] %4\n\t" - "membar #Sync\n\t" - "flush %%g6\n\t" - "stxa %%g0, [%2] %5\n\t" - "stxa %0, [%1] %6\n\t" - "membar #Sync\n\t" - "flush %%g6" - : : "r" (phys_page | _PAGE_VALID | _PAGE_SZ8K | _PAGE_CP | - _PAGE_CV | _PAGE_P | _PAGE_L | _PAGE_W), - "r" (59 << 3), "r" (TLB_TAG_ACCESS), - "i" (ASI_DMMU), "i" (ASI_DTLB_DATA_ACCESS), - "i" (ASI_IMMU), "i" (ASI_ITLB_DATA_ACCESS) - : "memory"); - } else if (tlb_type == cheetah || tlb_type == cheetah_plus) { - /* Lock this into i/d tlb-0 entry 11 */ - __asm__ __volatile__( - "stxa %%g0, [%2] %3\n\t" - "stxa %0, [%1] %4\n\t" - "membar #Sync\n\t" - "flush %%g6\n\t" - "stxa %%g0, [%2] %5\n\t" - "stxa %0, [%1] %6\n\t" - "membar #Sync\n\t" - "flush %%g6" - : : "r" (phys_page | _PAGE_VALID | _PAGE_SZ8K | _PAGE_CP | - _PAGE_CV | _PAGE_P | _PAGE_L | _PAGE_W), - "r" ((0 << 16) | (11 << 3)), "r" (TLB_TAG_ACCESS), - "i" (ASI_DMMU), "i" (ASI_DTLB_DATA_ACCESS), - "i" (ASI_IMMU), "i" (ASI_ITLB_DATA_ACCESS) - : "memory"); - } else { - /* Implement me :-) */ - BUG(); + data += BASE_PAGE_SIZE; } +} - tte_vaddr = (unsigned long) KERNBASE; +static inline int in_obp_range(unsigned long vaddr) +{ + return (vaddr >= LOW_OBP_ADDRESS && + vaddr < HI_OBP_ADDRESS); +} - /* Spitfire Errata #32 workaround */ - /* NOTE: Using plain zero for the context value is - * correct here, we are not using the Linux trap - * tables yet so we should not use the special - * UltraSPARC-III+ page size encodings yet. - */ - __asm__ __volatile__("stxa %0, [%1] %2\n\t" - "flush %%g6" - : /* No outputs */ - : "r" (0), - "r" (PRIMARY_CONTEXT), "i" (ASI_DMMU)); - - if (tlb_type == spitfire) - tte_data = spitfire_get_dtlb_data(sparc64_highest_locked_tlbent()); - else - tte_data = cheetah_get_ldtlb_data(sparc64_highest_locked_tlbent()); +#define OBP_PMD_SIZE 2048 +static void __init build_obp_pgtable(int prom_trans_ents) +{ + unsigned long i; - kern_locked_tte_data = tte_data; + prom_pmd_phys = early_alloc_phys(OBP_PMD_SIZE); + for (i = 0; i < OBP_PMD_SIZE; i += 4) + store_phys32(prom_pmd_phys + i, 0); - remap_func = (void *) ((unsigned long) &prom_remap - - (unsigned long) &prom_boot_page); + for (i = 0; i < prom_trans_ents; i++) { + unsigned long start, end; + if (!in_obp_range(prom_trans[i].virt)) + continue; - /* Spitfire Errata #32 workaround */ - /* NOTE: Using plain zero for the context value is - * correct here, we are not using the Linux trap - * tables yet so we should not use the special - * UltraSPARC-III+ page size encodings yet. - */ - __asm__ __volatile__("stxa %0, [%1] %2\n\t" - "flush %%g6" - : /* No outputs */ - : "r" (0), - "r" (PRIMARY_CONTEXT), "i" (ASI_DMMU)); - - remap_func((tlb_type == spitfire ? - (spitfire_get_dtlb_data(sparc64_highest_locked_tlbent()) & _PAGE_PADDR) : - (cheetah_get_litlb_data(sparc64_highest_locked_tlbent()) & _PAGE_PADDR)), - (unsigned long) KERNBASE, - prom_get_mmu_ihandle()); - - if (bigkernel) - remap_func(((tte_data + 0x400000) & _PAGE_PADDR), - (unsigned long) KERNBASE + 0x400000, prom_get_mmu_ihandle()); - - /* Flush out that temporary mapping. */ - spitfire_flush_dtlb_nucleus_page(0x0); - spitfire_flush_itlb_nucleus_page(0x0); - - /* Now lock us back into the TLBs via OBP. */ - prom_dtlb_load(sparc64_highest_locked_tlbent(), tte_data, tte_vaddr); - prom_itlb_load(sparc64_highest_locked_tlbent(), tte_data, tte_vaddr); - if (bigkernel) { - prom_dtlb_load(sparc64_highest_locked_tlbent()-1, tte_data + 0x400000, - tte_vaddr + 0x400000); - prom_itlb_load(sparc64_highest_locked_tlbent()-1, tte_data + 0x400000, - tte_vaddr + 0x400000); + start = prom_trans[i].virt; + end = start + prom_trans[i].size; + if (end > HI_OBP_ADDRESS) + end = HI_OBP_ADDRESS; + + build_obp_range(start, end, prom_trans[i].data); } +} + +/* Read OBP translations property into 'prom_trans[]'. + * Return the number of entries. + */ +static int __init read_obp_translations(void) +{ + int n, node; - /* Re-read translations property. */ - if ((n = prom_getproperty(node, "translations", (char *)trans, tsz)) == -1) { - prom_printf("Couldn't get translation property\n"); + node = prom_finddevice("/virtual-memory"); + n = prom_getproplen(node, "translations"); + if (unlikely(n == 0 || n == -1)) { + prom_printf("prom_mappings: Couldn't get size.\n"); + prom_halt(); + } + if (unlikely(n > sizeof(prom_trans))) { + prom_printf("prom_mappings: Size %Zd is too big.\n", n); prom_halt(); } - n = n / sizeof(*trans); - for (i = 0; i < n; i++) { - unsigned long vaddr = trans[i].virt; - unsigned long size = trans[i].size; + if ((n = prom_getproperty(node, "translations", + (char *)&prom_trans[0], + sizeof(prom_trans))) == -1) { + prom_printf("prom_mappings: Couldn't get property.\n"); + prom_halt(); + } + n = n / sizeof(struct linux_prom_translation); + return n; +} - if (vaddr < 0xf0000000UL) { - unsigned long avoid_start = (unsigned long) KERNBASE; - unsigned long avoid_end = avoid_start + (4 * 1024 * 1024); +static void __init remap_kernel(void) +{ + unsigned long phys_page, tte_vaddr, tte_data; + int tlb_ent = sparc64_highest_locked_tlbent(); - if (bigkernel) - avoid_end += (4 * 1024 * 1024); - if (vaddr < avoid_start) { - unsigned long top = vaddr + size; + tte_vaddr = (unsigned long) KERNBASE; + phys_page = (prom_boot_mapping_phys_low >> 22UL) << 22UL; + tte_data = (phys_page | (_PAGE_VALID | _PAGE_SZ4MB | + _PAGE_CP | _PAGE_CV | _PAGE_P | + _PAGE_L | _PAGE_W)); - if (top > avoid_start) - top = avoid_start; - prom_unmap(top - vaddr, vaddr); - } - if ((vaddr + size) > avoid_end) { - unsigned long bottom = vaddr; + kern_locked_tte_data = tte_data; - if (bottom < avoid_end) - bottom = avoid_end; - prom_unmap((vaddr + size) - bottom, bottom); - } - } + /* Now lock us into the TLBs via OBP. */ + prom_dtlb_load(tlb_ent, tte_data, tte_vaddr); + prom_itlb_load(tlb_ent, tte_data, tte_vaddr); + if (bigkernel) { + prom_dtlb_load(tlb_ent - 1, + tte_data + 0x400000, + tte_vaddr + 0x400000); + prom_itlb_load(tlb_ent - 1, + tte_data + 0x400000, + tte_vaddr + 0x400000); } +} + +static void __init inherit_prom_mappings(void) +{ + int n; + + n = read_obp_translations(); + build_obp_pgtable(n); + + /* Now fixup OBP's idea about where we really are mapped. */ + prom_printf("Remapping the kernel... "); + remap_kernel(); prom_printf("done.\n"); @@ -1276,14 +1272,14 @@ unsigned long __init bootmem_init(unsigned long *pages_avail) int i; #ifdef CONFIG_DEBUG_BOOTMEM - prom_printf("bootmem_init: Scan sp_banks, "); + prom_printf("bootmem_init: Scan pavail, "); #endif bytes_avail = 0UL; - for (i = 0; sp_banks[i].num_bytes != 0; i++) { - end_of_phys_memory = sp_banks[i].base_addr + - sp_banks[i].num_bytes; - bytes_avail += sp_banks[i].num_bytes; + for (i = 0; i < pavail_ents; i++) { + end_of_phys_memory = pavail[i].phys_addr + + pavail[i].reg_size; + bytes_avail += pavail[i].reg_size; if (cmdline_memory_size) { if (bytes_avail > cmdline_memory_size) { unsigned long slack = bytes_avail - cmdline_memory_size; @@ -1291,12 +1287,15 @@ unsigned long __init bootmem_init(unsigned long *pages_avail) bytes_avail -= slack; end_of_phys_memory -= slack; - sp_banks[i].num_bytes -= slack; - if (sp_banks[i].num_bytes == 0) { - sp_banks[i].base_addr = 0xdeadbeef; + pavail[i].reg_size -= slack; + if ((long)pavail[i].reg_size <= 0L) { + pavail[i].phys_addr = 0xdeadbeefUL; + pavail[i].reg_size = 0UL; + pavail_ents = i; } else { - sp_banks[i+1].num_bytes = 0; - sp_banks[i+1].base_addr = 0xdeadbeef; + pavail[i+1].reg_size = 0Ul; + pavail[i+1].phys_addr = 0xdeadbeefUL; + pavail_ents = i + 1; } break; } @@ -1347,17 +1346,15 @@ unsigned long __init bootmem_init(unsigned long *pages_avail) #endif bootmap_size = init_bootmem_node(NODE_DATA(0), bootmap_pfn, pfn_base, end_pfn); - bootmap_base = bootmap_pfn << PAGE_SHIFT; - /* Now register the available physical memory with the * allocator. */ - for (i = 0; sp_banks[i].num_bytes != 0; i++) { + for (i = 0; i < pavail_ents; i++) { #ifdef CONFIG_DEBUG_BOOTMEM - prom_printf("free_bootmem(sp_banks:%d): base[%lx] size[%lx]\n", - i, sp_banks[i].base_addr, sp_banks[i].num_bytes); + prom_printf("free_bootmem(pavail:%d): base[%lx] size[%lx]\n", + i, pavail[i].phys_addr, pavail[i].reg_size); #endif - free_bootmem(sp_banks[i].base_addr, sp_banks[i].num_bytes); + free_bootmem(pavail[i].phys_addr, pavail[i].reg_size); } #ifdef CONFIG_BLK_DEV_INITRD @@ -1398,120 +1395,167 @@ unsigned long __init bootmem_init(unsigned long *pages_avail) return end_pfn; } +#ifdef CONFIG_DEBUG_PAGEALLOC +static unsigned long kernel_map_range(unsigned long pstart, unsigned long pend, pgprot_t prot) +{ + unsigned long vstart = PAGE_OFFSET + pstart; + unsigned long vend = PAGE_OFFSET + pend; + unsigned long alloc_bytes = 0UL; + + if ((vstart & ~PAGE_MASK) || (vend & ~PAGE_MASK)) { + prom_printf("kernel_map: Unaligned physmem[%lx:%lx]\n", + vstart, vend); + prom_halt(); + } + + while (vstart < vend) { + unsigned long this_end, paddr = __pa(vstart); + pgd_t *pgd = pgd_offset_k(vstart); + pud_t *pud; + pmd_t *pmd; + pte_t *pte; + + pud = pud_offset(pgd, vstart); + if (pud_none(*pud)) { + pmd_t *new; + + new = __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + alloc_bytes += PAGE_SIZE; + pud_populate(&init_mm, pud, new); + } + + pmd = pmd_offset(pud, vstart); + if (!pmd_present(*pmd)) { + pte_t *new; + + new = __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + alloc_bytes += PAGE_SIZE; + pmd_populate_kernel(&init_mm, pmd, new); + } + + pte = pte_offset_kernel(pmd, vstart); + this_end = (vstart + PMD_SIZE) & PMD_MASK; + if (this_end > vend) + this_end = vend; + + while (vstart < this_end) { + pte_val(*pte) = (paddr | pgprot_val(prot)); + + vstart += PAGE_SIZE; + paddr += PAGE_SIZE; + pte++; + } + } + + return alloc_bytes; +} + +static struct linux_prom64_registers pall[MAX_BANKS] __initdata; +static int pall_ents __initdata; + +extern unsigned int kvmap_linear_patch[1]; + +static void __init kernel_physical_mapping_init(void) +{ + unsigned long i, mem_alloced = 0UL; + + read_obp_memory("reg", &pall[0], &pall_ents); + + for (i = 0; i < pall_ents; i++) { + unsigned long phys_start, phys_end; + + phys_start = pall[i].phys_addr; + phys_end = phys_start + pall[i].reg_size; + mem_alloced += kernel_map_range(phys_start, phys_end, + PAGE_KERNEL); + } + + printk("Allocated %ld bytes for kernel page tables.\n", + mem_alloced); + + kvmap_linear_patch[0] = 0x01000000; /* nop */ + flushi(&kvmap_linear_patch[0]); + + __flush_tlb_all(); +} + +void kernel_map_pages(struct page *page, int numpages, int enable) +{ + unsigned long phys_start = page_to_pfn(page) << PAGE_SHIFT; + unsigned long phys_end = phys_start + (numpages * PAGE_SIZE); + + kernel_map_range(phys_start, phys_end, + (enable ? PAGE_KERNEL : __pgprot(0))); + + /* we should perform an IPI and flush all tlbs, + * but that can deadlock->flush only current cpu. + */ + __flush_tlb_kernel_range(PAGE_OFFSET + phys_start, + PAGE_OFFSET + phys_end); +} +#endif + +unsigned long __init find_ecache_flush_span(unsigned long size) +{ + int i; + + for (i = 0; i < pavail_ents; i++) { + if (pavail[i].reg_size >= size) + return pavail[i].phys_addr; + } + + return ~0UL; +} + /* paging_init() sets up the page tables */ extern void cheetah_ecache_flush_init(void); static unsigned long last_valid_pfn; +pgd_t swapper_pg_dir[2048]; void __init paging_init(void) { - extern pmd_t swapper_pmd_dir[1024]; - extern unsigned int sparc64_vpte_patchme1[1]; - extern unsigned int sparc64_vpte_patchme2[1]; - unsigned long alias_base = kern_base + PAGE_OFFSET; - unsigned long second_alias_page = 0; - unsigned long pt, flags, end_pfn, pages_avail; - unsigned long shift = alias_base - ((unsigned long)KERNBASE); - unsigned long real_end; + unsigned long end_pfn, pages_avail, shift; + unsigned long real_end, i; + + /* Find available physical memory... */ + read_obp_memory("available", &pavail[0], &pavail_ents); + + phys_base = 0xffffffffffffffffUL; + for (i = 0; i < pavail_ents; i++) + phys_base = min(phys_base, pavail[i].phys_addr); + + pfn_base = phys_base >> PAGE_SHIFT; + + kern_base = (prom_boot_mapping_phys_low >> 22UL) << 22UL; + kern_size = (unsigned long)&_end - (unsigned long)KERNBASE; set_bit(0, mmu_context_bmap); + shift = kern_base + PAGE_OFFSET - ((unsigned long)KERNBASE); + real_end = (unsigned long)_end; if ((real_end > ((unsigned long)KERNBASE + 0x400000))) bigkernel = 1; -#ifdef CONFIG_BLK_DEV_INITRD - if (sparc_ramdisk_image || sparc_ramdisk_image64) - real_end = (PAGE_ALIGN(real_end) + PAGE_ALIGN(sparc_ramdisk_size)); -#endif - - /* We assume physical memory starts at some 4mb multiple, - * if this were not true we wouldn't boot up to this point - * anyways. - */ - pt = kern_base | _PAGE_VALID | _PAGE_SZ4MB; - pt |= _PAGE_CP | _PAGE_CV | _PAGE_P | _PAGE_L | _PAGE_W; - local_irq_save(flags); - if (tlb_type == spitfire) { - __asm__ __volatile__( - " stxa %1, [%0] %3\n" - " stxa %2, [%5] %4\n" - " membar #Sync\n" - " flush %%g6\n" - " nop\n" - " nop\n" - " nop\n" - : /* No outputs */ - : "r" (TLB_TAG_ACCESS), "r" (alias_base), "r" (pt), - "i" (ASI_DMMU), "i" (ASI_DTLB_DATA_ACCESS), "r" (61 << 3) - : "memory"); - if (real_end >= KERNBASE + 0x340000) { - second_alias_page = alias_base + 0x400000; - __asm__ __volatile__( - " stxa %1, [%0] %3\n" - " stxa %2, [%5] %4\n" - " membar #Sync\n" - " flush %%g6\n" - " nop\n" - " nop\n" - " nop\n" - : /* No outputs */ - : "r" (TLB_TAG_ACCESS), "r" (second_alias_page), "r" (pt + 0x400000), - "i" (ASI_DMMU), "i" (ASI_DTLB_DATA_ACCESS), "r" (60 << 3) - : "memory"); - } - } else if (tlb_type == cheetah || tlb_type == cheetah_plus) { - __asm__ __volatile__( - " stxa %1, [%0] %3\n" - " stxa %2, [%5] %4\n" - " membar #Sync\n" - " flush %%g6\n" - " nop\n" - " nop\n" - " nop\n" - : /* No outputs */ - : "r" (TLB_TAG_ACCESS), "r" (alias_base), "r" (pt), - "i" (ASI_DMMU), "i" (ASI_DTLB_DATA_ACCESS), "r" ((0<<16) | (13<<3)) - : "memory"); - if (real_end >= KERNBASE + 0x340000) { - second_alias_page = alias_base + 0x400000; - __asm__ __volatile__( - " stxa %1, [%0] %3\n" - " stxa %2, [%5] %4\n" - " membar #Sync\n" - " flush %%g6\n" - " nop\n" - " nop\n" - " nop\n" - : /* No outputs */ - : "r" (TLB_TAG_ACCESS), "r" (second_alias_page), "r" (pt + 0x400000), - "i" (ASI_DMMU), "i" (ASI_DTLB_DATA_ACCESS), "r" ((0<<16) | (12<<3)) - : "memory"); - } + if ((real_end > ((unsigned long)KERNBASE + 0x800000))) { + prom_printf("paging_init: Kernel > 8MB, too large.\n"); + prom_halt(); } - local_irq_restore(flags); - - /* Now set kernel pgd to upper alias so physical page computations + + /* Set kernel pgd to upper alias so physical page computations * work. */ init_mm.pgd += ((shift) / (sizeof(pgd_t))); - memset(swapper_pmd_dir, 0, sizeof(swapper_pmd_dir)); + memset(swapper_low_pmd_dir, 0, sizeof(swapper_low_pmd_dir)); /* Now can init the kernel/bad page tables. */ pud_set(pud_offset(&swapper_pg_dir[0], 0), - swapper_pmd_dir + (shift / sizeof(pgd_t))); + swapper_low_pmd_dir + (shift / sizeof(pgd_t))); - sparc64_vpte_patchme1[0] |= - (((unsigned long)pgd_val(init_mm.pgd[0])) >> 10); - sparc64_vpte_patchme2[0] |= - (((unsigned long)pgd_val(init_mm.pgd[0])) & 0x3ff); - flushi((long)&sparc64_vpte_patchme1[0]); + swapper_pgd_zero = pgd_val(swapper_pg_dir[0]); - /* Setup bootmem... */ - pages_avail = 0; - last_valid_pfn = end_pfn = bootmem_init(&pages_avail); - /* Inherit non-locked OBP mappings. */ inherit_prom_mappings(); @@ -1527,13 +1571,16 @@ void __init paging_init(void) inherit_locked_prom_mappings(1); - /* We only created DTLB mapping of this stuff. */ - spitfire_flush_dtlb_nucleus_page(alias_base); - if (second_alias_page) - spitfire_flush_dtlb_nucleus_page(second_alias_page); - __flush_tlb_all(); + /* Setup bootmem... */ + pages_avail = 0; + last_valid_pfn = end_pfn = bootmem_init(&pages_avail); + +#ifdef CONFIG_DEBUG_PAGEALLOC + kernel_physical_mapping_init(); +#endif + { unsigned long zones_size[MAX_NR_ZONES]; unsigned long zholes_size[MAX_NR_ZONES]; @@ -1554,128 +1601,35 @@ void __init paging_init(void) device_scan(); } -/* Ok, it seems that the prom can allocate some more memory chunks - * as a side effect of some prom calls we perform during the - * boot sequence. My most likely theory is that it is from the - * prom_set_traptable() call, and OBP is allocating a scratchpad - * for saving client program register state etc. - */ -static void __init sort_memlist(struct linux_mlist_p1275 *thislist) -{ - int swapi = 0; - int i, mitr; - unsigned long tmpaddr, tmpsize; - unsigned long lowest; - - for (i = 0; thislist[i].theres_more != 0; i++) { - lowest = thislist[i].start_adr; - for (mitr = i+1; thislist[mitr-1].theres_more != 0; mitr++) - if (thislist[mitr].start_adr < lowest) { - lowest = thislist[mitr].start_adr; - swapi = mitr; - } - if (lowest == thislist[i].start_adr) - continue; - tmpaddr = thislist[swapi].start_adr; - tmpsize = thislist[swapi].num_bytes; - for (mitr = swapi; mitr > i; mitr--) { - thislist[mitr].start_adr = thislist[mitr-1].start_adr; - thislist[mitr].num_bytes = thislist[mitr-1].num_bytes; - } - thislist[i].start_adr = tmpaddr; - thislist[i].num_bytes = tmpsize; - } -} - -void __init rescan_sp_banks(void) -{ - struct linux_prom64_registers memlist[64]; - struct linux_mlist_p1275 avail[64], *mlist; - unsigned long bytes, base_paddr; - int num_regs, node = prom_finddevice("/memory"); - int i; - - num_regs = prom_getproperty(node, "available", - (char *) memlist, sizeof(memlist)); - num_regs = (num_regs / sizeof(struct linux_prom64_registers)); - for (i = 0; i < num_regs; i++) { - avail[i].start_adr = memlist[i].phys_addr; - avail[i].num_bytes = memlist[i].reg_size; - avail[i].theres_more = &avail[i + 1]; - } - avail[i - 1].theres_more = NULL; - sort_memlist(avail); - - mlist = &avail[0]; - i = 0; - bytes = mlist->num_bytes; - base_paddr = mlist->start_adr; - - sp_banks[0].base_addr = base_paddr; - sp_banks[0].num_bytes = bytes; - - while (mlist->theres_more != NULL){ - i++; - mlist = mlist->theres_more; - bytes = mlist->num_bytes; - if (i >= SPARC_PHYS_BANKS-1) { - printk ("The machine has more banks than " - "this kernel can support\n" - "Increase the SPARC_PHYS_BANKS " - "setting (currently %d)\n", - SPARC_PHYS_BANKS); - i = SPARC_PHYS_BANKS-1; - break; - } - - sp_banks[i].base_addr = mlist->start_adr; - sp_banks[i].num_bytes = mlist->num_bytes; - } - - i++; - sp_banks[i].base_addr = 0xdeadbeefbeefdeadUL; - sp_banks[i].num_bytes = 0; - - for (i = 0; sp_banks[i].num_bytes != 0; i++) - sp_banks[i].num_bytes &= PAGE_MASK; -} - static void __init taint_real_pages(void) { - struct sparc_phys_banks saved_sp_banks[SPARC_PHYS_BANKS]; int i; - for (i = 0; i < SPARC_PHYS_BANKS; i++) { - saved_sp_banks[i].base_addr = - sp_banks[i].base_addr; - saved_sp_banks[i].num_bytes = - sp_banks[i].num_bytes; - } - - rescan_sp_banks(); + read_obp_memory("available", &pavail_rescan[0], &pavail_rescan_ents); - /* Find changes discovered in the sp_bank rescan and + /* Find changes discovered in the physmem available rescan and * reserve the lost portions in the bootmem maps. */ - for (i = 0; saved_sp_banks[i].num_bytes; i++) { + for (i = 0; i < pavail_ents; i++) { unsigned long old_start, old_end; - old_start = saved_sp_banks[i].base_addr; + old_start = pavail[i].phys_addr; old_end = old_start + - saved_sp_banks[i].num_bytes; + pavail[i].reg_size; while (old_start < old_end) { int n; - for (n = 0; sp_banks[n].num_bytes; n++) { + for (n = 0; pavail_rescan_ents; n++) { unsigned long new_start, new_end; - new_start = sp_banks[n].base_addr; - new_end = new_start + sp_banks[n].num_bytes; + new_start = pavail_rescan[n].phys_addr; + new_end = new_start + + pavail_rescan[n].reg_size; if (new_start <= old_start && new_end >= (old_start + PAGE_SIZE)) { - set_bit (old_start >> 22, - sparc64_valid_addr_bitmap); + set_bit(old_start >> 22, + sparc64_valid_addr_bitmap); goto do_next_page; } } @@ -1695,8 +1649,7 @@ void __init mem_init(void) i = last_valid_pfn >> ((22 - PAGE_SHIFT) + 6); i += 1; - sparc64_valid_addr_bitmap = (unsigned long *) - __alloc_bootmem(i << 3, SMP_CACHE_BYTES, bootmap_base); + sparc64_valid_addr_bitmap = (unsigned long *) alloc_bootmem(i << 3); if (sparc64_valid_addr_bitmap == NULL) { prom_printf("mem_init: Cannot alloc valid_addr_bitmap.\n"); prom_halt(); @@ -1749,7 +1702,7 @@ void __init mem_init(void) cheetah_ecache_flush_init(); } -void free_initmem (void) +void free_initmem(void) { unsigned long addr, initend; diff --git a/arch/sparc64/mm/ultra.S b/arch/sparc64/mm/ultra.S index b2ee9b53227..058b8126c1a 100644 --- a/arch/sparc64/mm/ultra.S +++ b/arch/sparc64/mm/ultra.S @@ -144,42 +144,29 @@ __flush_icache_page: /* %o0 = phys_page */ #define DTAG_MASK 0x3 + /* This routine is Spitfire specific so the hardcoded + * D-cache size and line-size are OK. + */ .align 64 .globl __flush_dcache_page __flush_dcache_page: /* %o0=kaddr, %o1=flush_icache */ sethi %uhi(PAGE_OFFSET), %g1 sllx %g1, 32, %g1 - sub %o0, %g1, %o0 - clr %o4 - srlx %o0, 11, %o0 - sethi %hi(1 << 14), %o2 -1: ldxa [%o4] ASI_DCACHE_TAG, %o3 ! LSU Group - add %o4, (1 << 5), %o4 ! IEU0 - ldxa [%o4] ASI_DCACHE_TAG, %g1 ! LSU Group - add %o4, (1 << 5), %o4 ! IEU0 - ldxa [%o4] ASI_DCACHE_TAG, %g2 ! LSU Group o3 available - add %o4, (1 << 5), %o4 ! IEU0 - andn %o3, DTAG_MASK, %o3 ! IEU1 - ldxa [%o4] ASI_DCACHE_TAG, %g3 ! LSU Group - add %o4, (1 << 5), %o4 ! IEU0 - andn %g1, DTAG_MASK, %g1 ! IEU1 - cmp %o0, %o3 ! IEU1 Group - be,a,pn %xcc, dflush1 ! CTI - sub %o4, (4 << 5), %o4 ! IEU0 (Group) - cmp %o0, %g1 ! IEU1 Group - andn %g2, DTAG_MASK, %g2 ! IEU0 - be,a,pn %xcc, dflush2 ! CTI - sub %o4, (3 << 5), %o4 ! IEU0 (Group) - cmp %o0, %g2 ! IEU1 Group - andn %g3, DTAG_MASK, %g3 ! IEU0 - be,a,pn %xcc, dflush3 ! CTI - sub %o4, (2 << 5), %o4 ! IEU0 (Group) - cmp %o0, %g3 ! IEU1 Group - be,a,pn %xcc, dflush4 ! CTI - sub %o4, (1 << 5), %o4 ! IEU0 -2: cmp %o4, %o2 ! IEU1 Group - bne,pt %xcc, 1b ! CTI - nop ! IEU0 + sub %o0, %g1, %o0 ! physical address + srlx %o0, 11, %o0 ! make D-cache TAG + sethi %hi(1 << 14), %o2 ! D-cache size + sub %o2, (1 << 5), %o2 ! D-cache line size +1: ldxa [%o2] ASI_DCACHE_TAG, %o3 ! load D-cache TAG + andcc %o3, DTAG_MASK, %g0 ! Valid? + be,pn %xcc, 2f ! Nope, branch + andn %o3, DTAG_MASK, %o3 ! Clear valid bits + cmp %o3, %o0 ! TAG match? + bne,pt %xcc, 2f ! Nope, branch + nop + stxa %g0, [%o2] ASI_DCACHE_TAG ! Invalidate TAG + membar #Sync +2: brnz,pt %o2, 1b + sub %o2, (1 << 5), %o2 ! D-cache line size /* The I-cache does not snoop local stores so we * better flush that too when necessary. @@ -189,48 +176,9 @@ __flush_dcache_page: /* %o0=kaddr, %o1=flush_icache */ retl nop -dflush1:stxa %g0, [%o4] ASI_DCACHE_TAG - add %o4, (1 << 5), %o4 -dflush2:stxa %g0, [%o4] ASI_DCACHE_TAG - add %o4, (1 << 5), %o4 -dflush3:stxa %g0, [%o4] ASI_DCACHE_TAG - add %o4, (1 << 5), %o4 -dflush4:stxa %g0, [%o4] ASI_DCACHE_TAG - add %o4, (1 << 5), %o4 - membar #Sync - ba,pt %xcc, 2b - nop #endif /* DCACHE_ALIASING_POSSIBLE */ - .previous .text - .align 32 -__prefill_dtlb: - rdpr %pstate, %g7 - wrpr %g7, PSTATE_IE, %pstate - mov TLB_TAG_ACCESS, %g1 - stxa %o5, [%g1] ASI_DMMU - stxa %o2, [%g0] ASI_DTLB_DATA_IN - flush %g6 - retl - wrpr %g7, %pstate -__prefill_itlb: - rdpr %pstate, %g7 - wrpr %g7, PSTATE_IE, %pstate - mov TLB_TAG_ACCESS, %g1 - stxa %o5, [%g1] ASI_IMMU - stxa %o2, [%g0] ASI_ITLB_DATA_IN - flush %g6 - retl - wrpr %g7, %pstate - - .globl __update_mmu_cache -__update_mmu_cache: /* %o0=hw_context, %o1=address, %o2=pte, %o3=fault_code */ - srlx %o1, PAGE_SHIFT, %o1 - andcc %o3, FAULT_CODE_DTLB, %g0 - sllx %o1, PAGE_SHIFT, %o5 - bne,pt %xcc, __prefill_dtlb - or %o5, %o0, %o5 - ba,a,pt %xcc, __prefill_itlb + .previous /* Cheetah specific versions, patched at boot time. */ __cheetah_flush_tlb_mm: /* 18 insns */ @@ -283,7 +231,7 @@ __cheetah_flush_tlb_pending: /* 26 insns */ wrpr %g7, 0x0, %pstate #ifdef DCACHE_ALIASING_POSSIBLE -flush_dcpage_cheetah: /* 11 insns */ +__cheetah_flush_dcache_page: /* 11 insns */ sethi %uhi(PAGE_OFFSET), %g1 sllx %g1, 32, %g1 sub %o0, %g1, %o0 @@ -329,8 +277,8 @@ cheetah_patch_cachetlbops: #ifdef DCACHE_ALIASING_POSSIBLE sethi %hi(__flush_dcache_page), %o0 or %o0, %lo(__flush_dcache_page), %o0 - sethi %hi(flush_dcpage_cheetah), %o1 - or %o1, %lo(flush_dcpage_cheetah), %o1 + sethi %hi(__cheetah_flush_dcache_page), %o1 + or %o1, %lo(__cheetah_flush_dcache_page), %o1 call cheetah_patch_one mov 11, %o2 #endif /* DCACHE_ALIASING_POSSIBLE */ diff --git a/arch/sparc64/prom/Makefile b/arch/sparc64/prom/Makefile index 8f2420d9e9e..3d33ed27bc2 100644 --- a/arch/sparc64/prom/Makefile +++ b/arch/sparc64/prom/Makefile @@ -6,5 +6,5 @@ EXTRA_AFLAGS := -ansi EXTRA_CFLAGS := -Werror -lib-y := bootstr.o devops.o init.o memory.o misc.o \ - tree.o console.o printf.o p1275.o map.o cif.o +lib-y := bootstr.o devops.o init.o misc.o \ + tree.o console.o printf.o p1275.o cif.o diff --git a/arch/sparc64/prom/console.c b/arch/sparc64/prom/console.c index 028a53fcb1e..eae5db8dda5 100644 --- a/arch/sparc64/prom/console.c +++ b/arch/sparc64/prom/console.c @@ -67,7 +67,7 @@ prom_putchar(char c) } void -prom_puts(char *s, int len) +prom_puts(const char *s, int len) { p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)| P1275_INOUT(3,1), diff --git a/arch/sparc64/prom/devops.c b/arch/sparc64/prom/devops.c index 2c99b21b698..4641839eb39 100644 --- a/arch/sparc64/prom/devops.c +++ b/arch/sparc64/prom/devops.c @@ -16,7 +16,7 @@ * Returns 0 on failure. */ int -prom_devopen(char *dstr) +prom_devopen(const char *dstr) { return p1275_cmd ("open", P1275_ARG(0,P1275_ARG_IN_STRING)| P1275_INOUT(1,1), diff --git a/arch/sparc64/prom/init.c b/arch/sparc64/prom/init.c index 817faae058c..f3cc2d8578b 100644 --- a/arch/sparc64/prom/init.c +++ b/arch/sparc64/prom/init.c @@ -27,7 +27,6 @@ int prom_chosen_node; * failure. It gets passed the pointer to the PROM vector. */ -extern void prom_meminit(void); extern void prom_cif_init(void *, void *); void __init prom_init(void *cif_handler, void *cif_stack) @@ -46,7 +45,7 @@ void __init prom_init(void *cif_handler, void *cif_stack) if((prom_root_node == 0) || (prom_root_node == -1)) prom_halt(); - prom_chosen_node = prom_finddevice("/chosen"); + prom_chosen_node = prom_finddevice(prom_chosen_path); if (!prom_chosen_node || prom_chosen_node == -1) prom_halt(); @@ -90,8 +89,6 @@ void __init prom_init(void *cif_handler, void *cif_stack) printk ("PROMLIB: Sun IEEE Boot Prom %s\n", buffer + bufadjust); - prom_meminit(); - /* Initialization successful. */ return; diff --git a/arch/sparc64/prom/map.S b/arch/sparc64/prom/map.S deleted file mode 100644 index 21b3f9c99ea..00000000000 --- a/arch/sparc64/prom/map.S +++ /dev/null @@ -1,72 +0,0 @@ -/* $Id: map.S,v 1.2 1999/11/19 05:53:02 davem Exp $ - * map.S: Tricky coding required to fixup the kernel OBP maps - * properly. - * - * Copyright (C) 1999 David S. Miller (davem@redhat.com) - */ - - .text - .align 8192 - .globl prom_boot_page -prom_boot_page: -call_method: - .asciz "call-method" - .align 8 -map: - .asciz "map" - .align 8 - - /* When we are invoked, our caller has remapped us to - * page zero, therefore we must use PC relative addressing - * for everything after we begin performing the unmap/map - * calls. - */ - .globl prom_remap -prom_remap: /* %o0 = physpage, %o1 = virtpage, %o2 = mmu_ihandle */ - rd %pc, %g1 - srl %o2, 0, %o2 ! kill sign extension - sethi %hi(p1275buf), %g2 - or %g2, %lo(p1275buf), %g2 - ldx [%g2 + 0x10], %g3 ! prom_cif_stack - save %g3, -(192 + 128), %sp - ldx [%g2 + 0x08], %l0 ! prom_cif_handler - mov %g6, %i3 - mov %g4, %i4 - mov %g5, %i5 - flushw - - sethi %hi(prom_remap - call_method), %g7 - or %g7, %lo(prom_remap - call_method), %g7 - sub %g1, %g7, %l2 ! call-method string - sethi %hi(prom_remap - map), %g7 - or %g7, %lo(prom_remap - map), %g7 - sub %g1, %g7, %l4 ! map string - - /* OK, map the 4MB region we really live at. */ - stx %l2, [%sp + 2047 + 128 + 0x00] ! call-method - mov 7, %l5 - stx %l5, [%sp + 2047 + 128 + 0x08] ! num_args - mov 1, %l5 - stx %l5, [%sp + 2047 + 128 + 0x10] ! num_rets - stx %l4, [%sp + 2047 + 128 + 0x18] ! map - stx %i2, [%sp + 2047 + 128 + 0x20] ! mmu_ihandle - mov -1, %l5 - stx %l5, [%sp + 2047 + 128 + 0x28] ! mode == default - sethi %hi(4 * 1024 * 1024), %l5 - stx %l5, [%sp + 2047 + 128 + 0x30] ! size - stx %i1, [%sp + 2047 + 128 + 0x38] ! vaddr - stx %g0, [%sp + 2047 + 128 + 0x40] ! filler - stx %i0, [%sp + 2047 + 128 + 0x48] ! paddr - call %l0 - add %sp, (2047 + 128), %o0 ! argument array - - /* Restore hard-coded globals. */ - mov %i3, %g6 - mov %i4, %g4 - mov %i5, %g5 - - /* Wheee.... we are done. */ - ret - restore - - .align 8192 diff --git a/arch/sparc64/prom/memory.c b/arch/sparc64/prom/memory.c deleted file mode 100644 index f4a8143e052..00000000000 --- a/arch/sparc64/prom/memory.c +++ /dev/null @@ -1,152 +0,0 @@ -/* $Id: memory.c,v 1.5 1999/08/31 06:55:04 davem Exp $ - * memory.c: Prom routine for acquiring various bits of information - * about RAM on the machine, both virtual and physical. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include <linux/kernel.h> -#include <linux/init.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> - -/* This routine, for consistency, returns the ram parameters in the - * V0 prom memory descriptor format. I choose this format because I - * think it was the easiest to work with. I feel the religious - * arguments now... ;) Also, I return the linked lists sorted to - * prevent paging_init() upset stomach as I have not yet written - * the pepto-bismol kernel module yet. - */ - -struct linux_prom64_registers prom_reg_memlist[64]; -struct linux_prom64_registers prom_reg_tmp[64]; - -struct linux_mlist_p1275 prom_phys_total[64]; -struct linux_mlist_p1275 prom_prom_taken[64]; -struct linux_mlist_p1275 prom_phys_avail[64]; - -struct linux_mlist_p1275 *prom_ptot_ptr = prom_phys_total; -struct linux_mlist_p1275 *prom_ptak_ptr = prom_prom_taken; -struct linux_mlist_p1275 *prom_pavl_ptr = prom_phys_avail; - -struct linux_mem_p1275 prom_memlist; - - -/* Internal Prom library routine to sort a linux_mlist_p1275 memory - * list. Used below in initialization. - */ -static void __init -prom_sortmemlist(struct linux_mlist_p1275 *thislist) -{ - int swapi = 0; - int i, mitr; - unsigned long tmpaddr, tmpsize; - unsigned long lowest; - - for(i=0; thislist[i].theres_more; i++) { - lowest = thislist[i].start_adr; - for(mitr = i+1; thislist[mitr-1].theres_more; mitr++) - if(thislist[mitr].start_adr < lowest) { - lowest = thislist[mitr].start_adr; - swapi = mitr; - } - if(lowest == thislist[i].start_adr) continue; - tmpaddr = thislist[swapi].start_adr; - tmpsize = thislist[swapi].num_bytes; - for(mitr = swapi; mitr > i; mitr--) { - thislist[mitr].start_adr = thislist[mitr-1].start_adr; - thislist[mitr].num_bytes = thislist[mitr-1].num_bytes; - } - thislist[i].start_adr = tmpaddr; - thislist[i].num_bytes = tmpsize; - } -} - -/* Initialize the memory lists based upon the prom version. */ -void __init prom_meminit(void) -{ - int node = 0; - unsigned int iter, num_regs; - - node = prom_finddevice("/memory"); - num_regs = prom_getproperty(node, "available", - (char *) prom_reg_memlist, - sizeof(prom_reg_memlist)); - num_regs = (num_regs/sizeof(struct linux_prom64_registers)); - for(iter=0; iter<num_regs; iter++) { - prom_phys_avail[iter].start_adr = - prom_reg_memlist[iter].phys_addr; - prom_phys_avail[iter].num_bytes = - prom_reg_memlist[iter].reg_size; - prom_phys_avail[iter].theres_more = - &prom_phys_avail[iter+1]; - } - prom_phys_avail[iter-1].theres_more = NULL; - - num_regs = prom_getproperty(node, "reg", - (char *) prom_reg_memlist, - sizeof(prom_reg_memlist)); - num_regs = (num_regs/sizeof(struct linux_prom64_registers)); - for(iter=0; iter<num_regs; iter++) { - prom_phys_total[iter].start_adr = - prom_reg_memlist[iter].phys_addr; - prom_phys_total[iter].num_bytes = - prom_reg_memlist[iter].reg_size; - prom_phys_total[iter].theres_more = - &prom_phys_total[iter+1]; - } - prom_phys_total[iter-1].theres_more = NULL; - - node = prom_finddevice("/virtual-memory"); - num_regs = prom_getproperty(node, "available", - (char *) prom_reg_memlist, - sizeof(prom_reg_memlist)); - num_regs = (num_regs/sizeof(struct linux_prom64_registers)); - - /* Convert available virtual areas to taken virtual - * areas. First sort, then convert. - */ - for(iter=0; iter<num_regs; iter++) { - prom_prom_taken[iter].start_adr = - prom_reg_memlist[iter].phys_addr; - prom_prom_taken[iter].num_bytes = - prom_reg_memlist[iter].reg_size; - prom_prom_taken[iter].theres_more = - &prom_prom_taken[iter+1]; - } - prom_prom_taken[iter-1].theres_more = NULL; - - prom_sortmemlist(prom_prom_taken); - - /* Finally, convert. */ - for(iter=0; iter<num_regs; iter++) { - prom_prom_taken[iter].start_adr = - prom_prom_taken[iter].start_adr + - prom_prom_taken[iter].num_bytes; - prom_prom_taken[iter].num_bytes = - prom_prom_taken[iter+1].start_adr - - prom_prom_taken[iter].start_adr; - } - prom_prom_taken[iter-1].num_bytes = - -1UL - prom_prom_taken[iter-1].start_adr; - - /* Sort the other two lists. */ - prom_sortmemlist(prom_phys_total); - prom_sortmemlist(prom_phys_avail); - - /* Link all the lists into the top-level descriptor. */ - prom_memlist.p1275_totphys=&prom_ptot_ptr; - prom_memlist.p1275_prommap=&prom_ptak_ptr; - prom_memlist.p1275_available=&prom_pavl_ptr; -} - -/* This returns a pointer to our libraries internal p1275 format - * memory descriptor. - */ -struct linux_mem_p1275 * -prom_meminfo(void) -{ - return &prom_memlist; -} diff --git a/arch/sparc64/prom/misc.c b/arch/sparc64/prom/misc.c index 19c44e97e9e..9b895faf077 100644 --- a/arch/sparc64/prom/misc.c +++ b/arch/sparc64/prom/misc.c @@ -17,14 +17,14 @@ #include <asm/system.h> /* Reset and reboot the machine with the command 'bcommand'. */ -void prom_reboot(char *bcommand) +void prom_reboot(const char *bcommand) { p1275_cmd("boot", P1275_ARG(0, P1275_ARG_IN_STRING) | P1275_INOUT(1, 0), bcommand); } /* Forth evaluate the expression contained in 'fstring'. */ -void prom_feval(char *fstring) +void prom_feval(const char *fstring) { if (!fstring || fstring[0] == 0) return; @@ -148,21 +148,19 @@ void prom_set_trap_table(unsigned long tba) p1275_cmd("SUNW,set-trap-table", P1275_INOUT(1, 0), tba); } -int mmu_ihandle_cache = 0; - int prom_get_mmu_ihandle(void) { int node, ret; - if (mmu_ihandle_cache != 0) - return mmu_ihandle_cache; + if (prom_mmu_ihandle_cache != 0) + return prom_mmu_ihandle_cache; - node = prom_finddevice("/chosen"); - ret = prom_getint(node, "mmu"); + node = prom_finddevice(prom_chosen_path); + ret = prom_getint(node, prom_mmu_name); if (ret == -1 || ret == 0) - mmu_ihandle_cache = -1; + prom_mmu_ihandle_cache = -1; else - mmu_ihandle_cache = ret; + prom_mmu_ihandle_cache = ret; return ret; } @@ -190,7 +188,7 @@ long prom_itlb_load(unsigned long index, unsigned long tte_data, unsigned long vaddr) { - return p1275_cmd("call-method", + return p1275_cmd(prom_callmethod_name, (P1275_ARG(0, P1275_ARG_IN_STRING) | P1275_ARG(2, P1275_ARG_IN_64B) | P1275_ARG(3, P1275_ARG_IN_64B) | @@ -207,7 +205,7 @@ long prom_dtlb_load(unsigned long index, unsigned long tte_data, unsigned long vaddr) { - return p1275_cmd("call-method", + return p1275_cmd(prom_callmethod_name, (P1275_ARG(0, P1275_ARG_IN_STRING) | P1275_ARG(2, P1275_ARG_IN_64B) | P1275_ARG(3, P1275_ARG_IN_64B) | @@ -223,13 +221,13 @@ long prom_dtlb_load(unsigned long index, int prom_map(int mode, unsigned long size, unsigned long vaddr, unsigned long paddr) { - int ret = p1275_cmd("call-method", + int ret = p1275_cmd(prom_callmethod_name, (P1275_ARG(0, P1275_ARG_IN_STRING) | P1275_ARG(3, P1275_ARG_IN_64B) | P1275_ARG(4, P1275_ARG_IN_64B) | P1275_ARG(6, P1275_ARG_IN_64B) | P1275_INOUT(7, 1)), - "map", + prom_map_name, prom_get_mmu_ihandle(), mode, size, @@ -244,12 +242,12 @@ int prom_map(int mode, unsigned long size, void prom_unmap(unsigned long size, unsigned long vaddr) { - p1275_cmd("call-method", + p1275_cmd(prom_callmethod_name, (P1275_ARG(0, P1275_ARG_IN_STRING) | P1275_ARG(2, P1275_ARG_IN_64B) | P1275_ARG(3, P1275_ARG_IN_64B) | P1275_INOUT(4, 0)), - "unmap", + prom_unmap_name, prom_get_mmu_ihandle(), size, vaddr); @@ -258,7 +256,7 @@ void prom_unmap(unsigned long size, unsigned long vaddr) /* Set aside physical memory which is not touched or modified * across soft resets. */ -unsigned long prom_retain(char *name, +unsigned long prom_retain(const char *name, unsigned long pa_low, unsigned long pa_high, long size, long align) { @@ -290,7 +288,7 @@ int prom_getunumber(int syndrome_code, unsigned long phys_addr, char *buf, int buflen) { - return p1275_cmd("call-method", + return p1275_cmd(prom_callmethod_name, (P1275_ARG(0, P1275_ARG_IN_STRING) | P1275_ARG(3, P1275_ARG_OUT_BUF) | P1275_ARG(6, P1275_ARG_IN_64B) | diff --git a/arch/sparc64/prom/p1275.c b/arch/sparc64/prom/p1275.c index 59fe38bba39..a5a7c571202 100644 --- a/arch/sparc64/prom/p1275.c +++ b/arch/sparc64/prom/p1275.c @@ -46,7 +46,7 @@ static inline unsigned long spitfire_get_primary_context(void) */ DEFINE_SPINLOCK(prom_entry_lock); -long p1275_cmd (char *service, long fmt, ...) +long p1275_cmd(const char *service, long fmt, ...) { char *p, *q; unsigned long flags; diff --git a/arch/sparc64/prom/printf.c b/arch/sparc64/prom/printf.c index a6df82cafa0..660943ee4c2 100644 --- a/arch/sparc64/prom/printf.c +++ b/arch/sparc64/prom/printf.c @@ -34,7 +34,7 @@ prom_write(const char *buf, unsigned int n) } void -prom_printf(char *fmt, ...) +prom_printf(const char *fmt, ...) { va_list args; int i; diff --git a/arch/sparc64/prom/tree.c b/arch/sparc64/prom/tree.c index ccf73258ebf..b1ff9e87dcc 100644 --- a/arch/sparc64/prom/tree.c +++ b/arch/sparc64/prom/tree.c @@ -69,7 +69,7 @@ prom_getsibling(int node) * Return -1 on error. */ __inline__ int -prom_getproplen(int node, char *prop) +prom_getproplen(int node, const char *prop) { if((!node) || (!prop)) return -1; return p1275_cmd ("getproplen", @@ -83,20 +83,20 @@ prom_getproplen(int node, char *prop) * was successful the length will be returned, else -1 is returned. */ __inline__ int -prom_getproperty(int node, char *prop, char *buffer, int bufsize) +prom_getproperty(int node, const char *prop, char *buffer, int bufsize) { int plen; plen = prom_getproplen(node, prop); - if((plen > bufsize) || (plen == 0) || (plen == -1)) + if ((plen > bufsize) || (plen == 0) || (plen == -1)) { return -1; - else { + } else { /* Ok, things seem all right. */ - return p1275_cmd ("getprop", - P1275_ARG(1,P1275_ARG_IN_STRING)| - P1275_ARG(2,P1275_ARG_OUT_BUF)| - P1275_INOUT(4, 1), - node, prop, buffer, P1275_SIZE(plen)); + return p1275_cmd(prom_getprop_name, + P1275_ARG(1,P1275_ARG_IN_STRING)| + P1275_ARG(2,P1275_ARG_OUT_BUF)| + P1275_INOUT(4, 1), + node, prop, buffer, P1275_SIZE(plen)); } } @@ -104,7 +104,7 @@ prom_getproperty(int node, char *prop, char *buffer, int bufsize) * on failure. */ __inline__ int -prom_getint(int node, char *prop) +prom_getint(int node, const char *prop) { int intprop; @@ -119,7 +119,7 @@ prom_getint(int node, char *prop) */ int -prom_getintdefault(int node, char *property, int deflt) +prom_getintdefault(int node, const char *property, int deflt) { int retval; @@ -131,7 +131,7 @@ prom_getintdefault(int node, char *property, int deflt) /* Acquire a boolean property, 1=TRUE 0=FALSE. */ int -prom_getbool(int node, char *prop) +prom_getbool(int node, const char *prop) { int retval; @@ -145,7 +145,7 @@ prom_getbool(int node, char *prop) * buffer. */ void -prom_getstring(int node, char *prop, char *user_buf, int ubuf_size) +prom_getstring(int node, const char *prop, char *user_buf, int ubuf_size) { int len; @@ -160,7 +160,7 @@ prom_getstring(int node, char *prop, char *user_buf, int ubuf_size) * YES = 1 NO = 0 */ int -prom_nodematch(int node, char *name) +prom_nodematch(int node, const char *name) { char namebuf[128]; prom_getproperty(node, "name", namebuf, sizeof(namebuf)); @@ -172,7 +172,7 @@ prom_nodematch(int node, char *name) * 'nodename'. Return node if successful, zero if not. */ int -prom_searchsiblings(int node_start, char *nodename) +prom_searchsiblings(int node_start, const char *nodename) { int thisnode, error; @@ -294,7 +294,7 @@ prom_firstprop(int node, char *buffer) * property types for this node. */ __inline__ char * -prom_nextprop(int node, char *oprop, char *buffer) +prom_nextprop(int node, const char *oprop, char *buffer) { char buf[32]; @@ -314,15 +314,17 @@ prom_nextprop(int node, char *oprop, char *buffer) } int -prom_finddevice(char *name) +prom_finddevice(const char *name) { - if(!name) return 0; - return p1275_cmd ("finddevice", P1275_ARG(0,P1275_ARG_IN_STRING)| - P1275_INOUT(1, 1), - name); + if (!name) + return 0; + return p1275_cmd(prom_finddev_name, + P1275_ARG(0,P1275_ARG_IN_STRING)| + P1275_INOUT(1, 1), + name); } -int prom_node_has_property(int node, char *prop) +int prom_node_has_property(int node, const char *prop) { char buf [32]; @@ -339,7 +341,7 @@ int prom_node_has_property(int node, char *prop) * of 'size' bytes. Return the number of bytes the prom accepted. */ int -prom_setprop(int node, char *pname, char *value, int size) +prom_setprop(int node, const char *pname, char *value, int size) { if(size == 0) return 0; if((pname == 0) || (value == 0)) return 0; @@ -364,7 +366,7 @@ prom_inst2pkg(int inst) * FIXME: Should work for v0 as well */ int -prom_pathtoinode(char *path) +prom_pathtoinode(const char *path) { int node, inst; diff --git a/arch/um/Makefile b/arch/um/Makefile index 5b5af95721a..7af37e342e3 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -28,8 +28,6 @@ SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),include/asm-um/$(header)) ARCH_SYMLINKS = include/asm-um/arch $(ARCH_DIR)/include/sysdep $(ARCH_DIR)/os \ $(SYMLINK_HEADERS) $(ARCH_DIR)/include/uml-config.h -GEN_HEADERS += $(ARCH_DIR)/include/task.h $(ARCH_DIR)/include/kern_constants.h - um-modes-$(CONFIG_MODE_TT) += tt um-modes-$(CONFIG_MODE_SKAS) += skas @@ -45,9 +43,7 @@ endif ARCH_INCLUDE := -I$(ARCH_DIR)/include ifneq ($(KBUILD_SRC),) -ARCH_INCLUDE += -I$(ARCH_DIR)/include2 ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include -MRPROPER_DIRS += $(ARCH_DIR)/include2 endif SYS_DIR := $(ARCH_DIR)/include/sysdep-$(SUBARCH) @@ -87,10 +83,6 @@ CONFIG_KERNEL_HALF_GIGS ?= 0 SIZE = (($(CONFIG_NEST_LEVEL) + $(CONFIG_KERNEL_HALF_GIGS)) * 0x20000000) -ifeq ($(CONFIG_MODE_SKAS), y) -$(SYS_HEADERS) : $(ARCH_DIR)/include/skas_ptregs.h -endif - .PHONY: linux all: linux @@ -111,7 +103,8 @@ else $(shell cd $(ARCH_DIR) && ln -sf Kconfig.$(SUBARCH) Kconfig.arch) endif -archprepare: $(ARCH_SYMLINKS) $(SYS_HEADERS) $(GEN_HEADERS) +archprepare: $(ARCH_SYMLINKS) $(ARCH_DIR)/include/user_constants.h +prepare: $(ARCH_DIR)/include/kern_constants.h LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib @@ -146,15 +139,13 @@ endef #When cleaning we don't include .config, so we don't include #TT or skas makefiles and don't clean skas_ptregs.h. CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/uml-config.h \ - $(GEN_HEADERS) $(ARCH_DIR)/include/skas_ptregs.h \ - $(ARCH_DIR)/include/user_constants.h $(ARCH_DIR)/Kconfig.arch + $(ARCH_DIR)/include/user_constants.h \ + $(ARCH_DIR)/include/kern_constants.h $(ARCH_DIR)/Kconfig.arch MRPROPER_FILES += $(SYMLINK_HEADERS) $(ARCH_SYMLINKS) \ $(addprefix $(ARCH_DIR)/kernel/,$(KERN_SYMLINKS)) $(ARCH_DIR)/os archclean: - $(Q)$(MAKE) $(clean)=$(ARCH_DIR)/util - $(Q)$(MAKE) $(clean)=$(ARCH_DIR)/os-$(OS)/util @find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \ -o -name '*.gcov' \) -type f -print | xargs rm -f @@ -180,9 +171,7 @@ $(ARCH_DIR)/include/sysdep: @echo ' SYMLINK $@' ifneq ($(KBUILD_SRC),) $(Q)mkdir -p $(ARCH_DIR)/include - $(Q)mkdir -p $(ARCH_DIR)/include2 - $(Q)ln -fsn sysdep-$(SUBARCH) $(ARCH_DIR)/include/sysdep - $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/sysdep-$(SUBARCH) $(ARCH_DIR)/include2/sysdep + $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/sysdep-$(SUBARCH) $(ARCH_DIR)/include/sysdep else $(Q)cd $(ARCH_DIR)/include && ln -sf sysdep-$(SUBARCH) sysdep endif @@ -202,8 +191,6 @@ endef define filechk_gen-asm-offsets (set -e; \ - echo "#ifndef __ASM_OFFSETS_H__"; \ - echo "#define __ASM_OFFSETS_H__"; \ echo "/*"; \ echo " * DO NOT MODIFY."; \ echo " *"; \ @@ -212,8 +199,7 @@ define filechk_gen-asm-offsets echo " */"; \ echo ""; \ sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \ - echo ""; \ - echo "#endif" ) + echo ""; ) endef $(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h @@ -222,50 +208,18 @@ $(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h $(ARCH_DIR)/user-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.c $(CC) $(USER_CFLAGS) -S -o $@ $< -$(ARCH_DIR)/user-offsets.h: $(ARCH_DIR)/user-offsets.s +$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/user-offsets.s $(call filechk,gen-asm-offsets) -CLEAN_FILES += $(ARCH_DIR)/user-offsets.s $(ARCH_DIR)/user-offsets.h +CLEAN_FILES += $(ARCH_DIR)/user-offsets.s $(ARCH_DIR)/kernel-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/kernel-offsets.c \ - $(ARCH_SYMLINKS) \ - $(SYS_DIR)/sc.h \ - include/asm include/linux/version.h \ - include/config/MARKER \ - $(ARCH_DIR)/include/user_constants.h + archprepare $(CC) $(CFLAGS) $(NOSTDINC_FLAGS) $(CPPFLAGS) -S -o $@ $< -$(ARCH_DIR)/kernel-offsets.h: $(ARCH_DIR)/kernel-offsets.s +$(ARCH_DIR)/include/kern_constants.h: $(ARCH_DIR)/kernel-offsets.s $(call filechk,gen-asm-offsets) -CLEAN_FILES += $(ARCH_DIR)/kernel-offsets.s $(ARCH_DIR)/kernel-offsets.h - -$(ARCH_DIR)/include/task.h: $(ARCH_DIR)/util/mk_task - $(call filechk,gen_header) - -$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/os-$(OS)/util/mk_user_constants - $(call filechk,gen_header) - -$(ARCH_DIR)/include/kern_constants.h: $(ARCH_DIR)/util/mk_constants - $(call filechk,gen_header) - -$(ARCH_DIR)/include/skas_ptregs.h: $(ARCH_DIR)/kernel/skas/util/mk_ptregs - $(call filechk,gen_header) - -$(ARCH_DIR)/os-$(OS)/util/mk_user_constants: $(ARCH_DIR)/os-$(OS)/util FORCE ; - -$(ARCH_DIR)/util/mk_task $(ARCH_DIR)/util/mk_constants: $(ARCH_DIR)/include/user_constants.h $(ARCH_DIR)/util \ - FORCE ; - -$(ARCH_DIR)/kernel/skas/util/mk_ptregs: $(ARCH_DIR)/kernel/skas/util FORCE ; - -$(ARCH_DIR)/util: scripts_basic $(SYS_DIR)/sc.h $(ARCH_DIR)/kernel-offsets.h FORCE - $(Q)$(MAKE) $(build)=$@ - -$(ARCH_DIR)/kernel/skas/util: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE - $(Q)$(MAKE) $(build)=$@ - -$(ARCH_DIR)/os-$(OS)/util: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE - $(Q)$(MAKE) $(build)=$@ +CLEAN_FILES += $(ARCH_DIR)/kernel-offsets.s export SUBARCH USER_CFLAGS OS diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386 index 1ab431a53ac..2ee8a285811 100644 --- a/arch/um/Makefile-i386 +++ b/arch/um/Makefile-i386 @@ -32,25 +32,3 @@ CFLAGS += -U__$(SUBARCH)__ -U$(SUBARCH) ifneq ($(CONFIG_GPROF),y) ARCH_CFLAGS += -DUM_FASTCALL endif - -SYS_UTIL_DIR := $(ARCH_DIR)/sys-i386/util -SYS_HEADERS := $(SYS_DIR)/sc.h $(SYS_DIR)/thread.h - -prepare: $(SYS_HEADERS) - -$(SYS_DIR)/sc.h: $(SYS_UTIL_DIR)/mk_sc - $(call filechk,gen_header) - -$(SYS_DIR)/thread.h: $(SYS_UTIL_DIR)/mk_thread - $(call filechk,gen_header) - -$(SYS_UTIL_DIR)/mk_sc: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE - $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) $@ - -$(SYS_UTIL_DIR)/mk_thread: scripts_basic $(ARCH_DIR)/kernel-offsets.h FORCE - $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) $@ - -$(SYS_UTIL_DIR): scripts_basic include/asm FORCE - $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) - -CLEAN_FILES += $(SYS_HEADERS) diff --git a/arch/um/Makefile-skas b/arch/um/Makefile-skas index fd18ec57227..ac35de5316a 100644 --- a/arch/um/Makefile-skas +++ b/arch/um/Makefile-skas @@ -10,5 +10,3 @@ CFLAGS-$(CONFIG_GCOV) += $(GCOV_OPT) CFLAGS-$(CONFIG_GPROF) += $(GPROF_OPT) LINK-$(CONFIG_GCOV) += $(GCOV_OPT) LINK-$(CONFIG_GPROF) += $(GPROF_OPT) - -GEN_HEADERS += $(ARCH_DIR)/include/skas_ptregs.h diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64 index 436abbba409..4f118d5cc2e 100644 --- a/arch/um/Makefile-x86_64 +++ b/arch/um/Makefile-x86_64 @@ -12,24 +12,3 @@ CHECKFLAGS += -m64 ELF_ARCH := i386:x86-64 ELF_FORMAT := elf64-x86-64 - -SYS_UTIL_DIR := $(ARCH_DIR)/sys-x86_64/util -SYS_DIR := $(ARCH_DIR)/include/sysdep-x86_64 - -SYS_HEADERS = $(SYS_DIR)/sc.h $(SYS_DIR)/thread.h - -prepare: $(SYS_HEADERS) - -$(SYS_DIR)/sc.h: $(SYS_UTIL_DIR)/mk_sc - $(call filechk,gen_header) - -$(SYS_DIR)/thread.h: $(SYS_UTIL_DIR)/mk_thread - $(call filechk,gen_header) - -$(SYS_UTIL_DIR)/mk_sc: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE - $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) $@ - -$(SYS_UTIL_DIR)/mk_thread: scripts_basic $(GEN_HEADERS) $(ARCH_DIR)/kernel-offsets.h FORCE - $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) $@ - -CLEAN_FILES += $(SYS_HEADERS) diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c index 04383f98f4d..310c1f823f2 100644 --- a/arch/um/drivers/mconsole_user.c +++ b/arch/um/drivers/mconsole_user.c @@ -23,7 +23,7 @@ static struct mconsole_command commands[] = { { "reboot", mconsole_reboot, MCONSOLE_PROC }, { "config", mconsole_config, MCONSOLE_PROC }, { "remove", mconsole_remove, MCONSOLE_PROC }, - { "sysrq", mconsole_sysrq, MCONSOLE_PROC }, + { "sysrq", mconsole_sysrq, MCONSOLE_INTR }, { "help", mconsole_help, MCONSOLE_INTR }, { "cad", mconsole_cad, MCONSOLE_INTR }, { "stop", mconsole_stop, MCONSOLE_PROC }, diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c index c41efd207fc..189839e4f1d 100644 --- a/arch/um/drivers/port_kern.c +++ b/arch/um/drivers/port_kern.c @@ -7,7 +7,6 @@ #include "linux/sched.h" #include "linux/slab.h" #include "linux/interrupt.h" -#include "linux/irq.h" #include "linux/spinlock.h" #include "linux/errno.h" #include "asm/atomic.h" diff --git a/arch/um/include/common-offsets.h b/arch/um/include/common-offsets.h index 782ac3a3baf..356390d1f8b 100644 --- a/arch/um/include/common-offsets.h +++ b/arch/um/include/common-offsets.h @@ -1,7 +1,7 @@ /* for use by sys-$SUBARCH/kernel-offsets.c */ -OFFSET(TASK_REGS, task_struct, thread.regs); -OFFSET(TASK_PID, task_struct, pid); +OFFSET(HOST_TASK_REGS, task_struct, thread.regs); +OFFSET(HOST_TASK_PID, task_struct, pid); DEFINE(UM_KERN_PAGE_SIZE, PAGE_SIZE); DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC); DEFINE_STR(UM_KERN_EMERG, KERN_EMERG); diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 583329d0a53..6f766e1faec 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -157,6 +157,10 @@ extern int os_lock_file(int fd, int excl); extern void os_early_checks(void); extern int can_do_skas(void); +/* Make sure they are clear when running in TT mode. Required by + * SEGV_MAYBE_FIXABLE */ +#define clear_can_do_skas() do { ptrace_faultinfo = proc_mm = 0; } while (0) + /* mem.c */ extern int create_mem_file(unsigned long len); diff --git a/arch/um/include/skas_ptregs.h b/arch/um/include/skas_ptregs.h new file mode 100644 index 00000000000..73db19e9c07 --- /dev/null +++ b/arch/um/include/skas_ptregs.h @@ -0,0 +1,6 @@ +#ifndef __SKAS_PT_REGS_ +#define __SKAS_PT_REGS_ + +#include <user_constants.h> + +#endif diff --git a/arch/um/include/sysdep-i386/sc.h b/arch/um/include/sysdep-i386/sc.h new file mode 100644 index 00000000000..c57d1780ad3 --- /dev/null +++ b/arch/um/include/sysdep-i386/sc.h @@ -0,0 +1,44 @@ +#ifndef __SYSDEP_I386_SC_H +#define __SYSDEP_I386_SC_H + +#include <user_constants.h> + +#define SC_OFFSET(sc, field) \ + *((unsigned long *) &(((char *) (sc))[HOST_##field])) +#define SC_FP_OFFSET(sc, field) \ + *((unsigned long *) &(((char *) (SC_FPSTATE(sc)))[HOST_##field])) +#define SC_FP_OFFSET_PTR(sc, field, type) \ + ((type *) &(((char *) (SC_FPSTATE(sc)))[HOST_##field])) + +#define SC_IP(sc) SC_OFFSET(sc, SC_IP) +#define SC_SP(sc) SC_OFFSET(sc, SC_SP) +#define SC_FS(sc) SC_OFFSET(sc, SC_FS) +#define SC_GS(sc) SC_OFFSET(sc, SC_GS) +#define SC_DS(sc) SC_OFFSET(sc, SC_DS) +#define SC_ES(sc) SC_OFFSET(sc, SC_ES) +#define SC_SS(sc) SC_OFFSET(sc, SC_SS) +#define SC_CS(sc) SC_OFFSET(sc, SC_CS) +#define SC_EFLAGS(sc) SC_OFFSET(sc, SC_EFLAGS) +#define SC_EAX(sc) SC_OFFSET(sc, SC_EAX) +#define SC_EBX(sc) SC_OFFSET(sc, SC_EBX) +#define SC_ECX(sc) SC_OFFSET(sc, SC_ECX) +#define SC_EDX(sc) SC_OFFSET(sc, SC_EDX) +#define SC_EDI(sc) SC_OFFSET(sc, SC_EDI) +#define SC_ESI(sc) SC_OFFSET(sc, SC_ESI) +#define SC_EBP(sc) SC_OFFSET(sc, SC_EBP) +#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO) +#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR) +#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2) +#define SC_FPSTATE(sc) SC_OFFSET(sc, SC_FPSTATE) +#define SC_SIGMASK(sc) SC_OFFSET(sc, SC_SIGMASK) +#define SC_FP_CW(sc) SC_FP_OFFSET(sc, SC_FP_CW) +#define SC_FP_SW(sc) SC_FP_OFFSET(sc, SC_FP_SW) +#define SC_FP_TAG(sc) SC_FP_OFFSET(sc, SC_FP_TAG) +#define SC_FP_IPOFF(sc) SC_FP_OFFSET(sc, SC_FP_IPOFF) +#define SC_FP_CSSEL(sc) SC_FP_OFFSET(sc, SC_FP_CSSEL) +#define SC_FP_DATAOFF(sc) SC_FP_OFFSET(sc, SC_FP_DATAOFF) +#define SC_FP_DATASEL(sc) SC_FP_OFFSET(sc, SC_FP_DATASEL) +#define SC_FP_ST(sc) SC_FP_OFFSET_PTR(sc, SC_FP_ST, struct _fpstate) +#define SC_FXSR_ENV(sc) SC_FP_OFFSET_PTR(sc, SC_FXSR_ENV, void) + +#endif diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/sysdep-i386/sigcontext.h index 1fe72926516..23fd2644d7e 100644 --- a/arch/um/include/sysdep-i386/sigcontext.h +++ b/arch/um/include/sysdep-i386/sigcontext.h @@ -6,6 +6,7 @@ #ifndef __SYS_SIGCONTEXT_I386_H #define __SYS_SIGCONTEXT_I386_H +#include "uml-config.h" #include <sysdep/sc.h> #define IP_RESTART_SYSCALL(ip) ((ip) -= 2) @@ -26,7 +27,14 @@ #define SC_START_SYSCALL(sc) do SC_EAX(sc) = -ENOSYS; while(0) /* This is Page Fault */ -#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) +#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) + +/* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */ +#ifdef UML_CONFIG_MODE_SKAS +#define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo) +#else +#define SEGV_MAYBE_FIXABLE(fi) 0 +#endif extern unsigned long *sc_sigmask(void *sc_ptr); extern int sc_get_fpregs(unsigned long buf, void *sc_ptr); diff --git a/arch/um/include/sysdep-i386/thread.h b/arch/um/include/sysdep-i386/thread.h new file mode 100644 index 00000000000..e2bd6bae8b8 --- /dev/null +++ b/arch/um/include/sysdep-i386/thread.h @@ -0,0 +1,11 @@ +#ifndef __UM_THREAD_H +#define __UM_THREAD_H + +#include <kern_constants.h> + +#define TASK_DEBUGREGS(task) ((unsigned long *) &(((char *) (task))[HOST_TASK_DEBUGREGS])) +#ifdef CONFIG_MODE_TT +#define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID])) +#endif + +#endif diff --git a/arch/um/include/sysdep-x86_64/sc.h b/arch/um/include/sysdep-x86_64/sc.h new file mode 100644 index 00000000000..a160d9fcc59 --- /dev/null +++ b/arch/um/include/sysdep-x86_64/sc.h @@ -0,0 +1,45 @@ +#ifndef __SYSDEP_X86_64_SC_H +#define __SYSDEP_X86_64_SC_H + +/* Copyright (C) 2003 - 2004 PathScale, Inc + * Released under the GPL + */ + +#include <user_constants.h> + +#define SC_OFFSET(sc, field) \ + *((unsigned long *) &(((char *) (sc))[HOST_##field])) + +#define SC_RBX(sc) SC_OFFSET(sc, SC_RBX) +#define SC_RCX(sc) SC_OFFSET(sc, SC_RCX) +#define SC_RDX(sc) SC_OFFSET(sc, SC_RDX) +#define SC_RSI(sc) SC_OFFSET(sc, SC_RSI) +#define SC_RDI(sc) SC_OFFSET(sc, SC_RDI) +#define SC_RBP(sc) SC_OFFSET(sc, SC_RBP) +#define SC_RAX(sc) SC_OFFSET(sc, SC_RAX) +#define SC_R8(sc) SC_OFFSET(sc, SC_R8) +#define SC_R9(sc) SC_OFFSET(sc, SC_R9) +#define SC_R10(sc) SC_OFFSET(sc, SC_R10) +#define SC_R11(sc) SC_OFFSET(sc, SC_R11) +#define SC_R12(sc) SC_OFFSET(sc, SC_R12) +#define SC_R13(sc) SC_OFFSET(sc, SC_R13) +#define SC_R14(sc) SC_OFFSET(sc, SC_R14) +#define SC_R15(sc) SC_OFFSET(sc, SC_R15) +#define SC_IP(sc) SC_OFFSET(sc, SC_IP) +#define SC_SP(sc) SC_OFFSET(sc, SC_SP) +#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2) +#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR) +#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO) +#define SC_CS(sc) SC_OFFSET(sc, SC_CS) +#define SC_FS(sc) SC_OFFSET(sc, SC_FS) +#define SC_GS(sc) SC_OFFSET(sc, SC_GS) +#define SC_EFLAGS(sc) SC_OFFSET(sc, SC_EFLAGS) +#define SC_SIGMASK(sc) SC_OFFSET(sc, SC_SIGMASK) +#if 0 +#define SC_ORIG_RAX(sc) SC_OFFSET(sc, SC_ORIG_RAX) +#define SC_DS(sc) SC_OFFSET(sc, SC_DS) +#define SC_ES(sc) SC_OFFSET(sc, SC_ES) +#define SC_SS(sc) SC_OFFSET(sc, SC_SS) +#endif + +#endif diff --git a/arch/um/include/sysdep-x86_64/sigcontext.h b/arch/um/include/sysdep-x86_64/sigcontext.h index 2a78260d15a..41073235e7a 100644 --- a/arch/um/include/sysdep-x86_64/sigcontext.h +++ b/arch/um/include/sysdep-x86_64/sigcontext.h @@ -31,7 +31,10 @@ #define SC_START_SYSCALL(sc) do SC_RAX(sc) = -ENOSYS; while(0) /* This is Page Fault */ -#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) +#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) + +/* No broken SKAS API, which doesn't pass trap_no, here. */ +#define SEGV_MAYBE_FIXABLE(fi) 0 extern unsigned long *sc_sigmask(void *sc_ptr); diff --git a/arch/um/include/sysdep-x86_64/thread.h b/arch/um/include/sysdep-x86_64/thread.h new file mode 100644 index 00000000000..6a76a7f3683 --- /dev/null +++ b/arch/um/include/sysdep-x86_64/thread.h @@ -0,0 +1,10 @@ +#ifndef __UM_THREAD_H +#define __UM_THREAD_H + +#include <kern_constants.h> + +#ifdef CONFIG_MODE_TT +#define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID])) +#endif + +#endif diff --git a/arch/um/include/task.h b/arch/um/include/task.h new file mode 100644 index 00000000000..6375ba7203c --- /dev/null +++ b/arch/um/include/task.h @@ -0,0 +1,9 @@ +#ifndef __TASK_H +#define __TASK_H + +#include <kern_constants.h> + +#define TASK_REGS(task) ((union uml_pt_regs *) &(((char *) (task))[HOST_TASK_REGS])) +#define TASK_PID(task) *((int *) &(((char *) (task))[HOST_TASK_PID])) + +#endif diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index dcd81497199..bbf94bf2921 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c @@ -9,7 +9,6 @@ #include "linux/kernel.h" #include "linux/module.h" #include "linux/smp.h" -#include "linux/irq.h" #include "linux/kernel_stat.h" #include "linux/interrupt.h" #include "linux/random.h" diff --git a/arch/um/kernel/skas/Makefile b/arch/um/kernel/skas/Makefile index db36c7c9594..8de471b59c1 100644 --- a/arch/um/kernel/skas/Makefile +++ b/arch/um/kernel/skas/Makefile @@ -6,8 +6,6 @@ obj-y := clone.o exec_kern.o mem.o mem_user.o mmu.o process.o process_kern.o \ syscall.o tlb.o trap_user.o uaccess.o -subdir- := util - USER_OBJS := process.o clone.o include arch/um/scripts/Makefile.rules diff --git a/arch/um/kernel/skas/util/Makefile b/arch/um/kernel/skas/util/Makefile deleted file mode 100644 index f7b7eba8334..00000000000 --- a/arch/um/kernel/skas/util/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -hostprogs-y := mk_ptregs -always := $(hostprogs-y) - -mk_ptregs-objs := mk_ptregs-$(SUBARCH).o -HOSTCFLAGS_mk_ptregs-$(SUBARCH).o := -I$(objtree)/arch/um diff --git a/arch/um/kernel/skas/util/mk_ptregs-i386.c b/arch/um/kernel/skas/util/mk_ptregs-i386.c deleted file mode 100644 index 1f96e1eeb8a..00000000000 --- a/arch/um/kernel/skas/util/mk_ptregs-i386.c +++ /dev/null @@ -1,49 +0,0 @@ -#include <stdio.h> -#include <user-offsets.h> - -#define SHOW(name) printf("#define %s %d\n", #name, name) - -int main(int argc, char **argv) -{ - printf("/* Automatically generated by " - "arch/um/kernel/skas/util/mk_ptregs */\n"); - printf("\n"); - printf("#ifndef __SKAS_PT_REGS_\n"); - printf("#define __SKAS_PT_REGS_\n"); - printf("\n"); - SHOW(HOST_FRAME_SIZE); - SHOW(HOST_FP_SIZE); - SHOW(HOST_XFP_SIZE); - - SHOW(HOST_IP); - SHOW(HOST_SP); - SHOW(HOST_EFLAGS); - SHOW(HOST_EAX); - SHOW(HOST_EBX); - SHOW(HOST_ECX); - SHOW(HOST_EDX); - SHOW(HOST_ESI); - SHOW(HOST_EDI); - SHOW(HOST_EBP); - SHOW(HOST_CS); - SHOW(HOST_SS); - SHOW(HOST_DS); - SHOW(HOST_FS); - SHOW(HOST_ES); - SHOW(HOST_GS); - - printf("\n"); - printf("#endif\n"); - return(0); -} - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/skas/util/mk_ptregs-x86_64.c b/arch/um/kernel/skas/util/mk_ptregs-x86_64.c deleted file mode 100644 index 5fccbfe35f7..00000000000 --- a/arch/um/kernel/skas/util/mk_ptregs-x86_64.c +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#include <stdio.h> -#include <user-offsets.h> - -#define SHOW(name) \ - printf("#define %s (%d / sizeof(unsigned long))\n", #name, name) - -int main(int argc, char **argv) -{ - printf("/* Automatically generated by " - "arch/um/kernel/skas/util/mk_ptregs */\n"); - printf("\n"); - printf("#ifndef __SKAS_PT_REGS_\n"); - printf("#define __SKAS_PT_REGS_\n"); - SHOW(HOST_FRAME_SIZE); - SHOW(HOST_RBX); - SHOW(HOST_RCX); - SHOW(HOST_RDI); - SHOW(HOST_RSI); - SHOW(HOST_RDX); - SHOW(HOST_RBP); - SHOW(HOST_RAX); - SHOW(HOST_R8); - SHOW(HOST_R9); - SHOW(HOST_R10); - SHOW(HOST_R11); - SHOW(HOST_R12); - SHOW(HOST_R13); - SHOW(HOST_R14); - SHOW(HOST_R15); - SHOW(HOST_ORIG_RAX); - SHOW(HOST_CS); - SHOW(HOST_SS); - SHOW(HOST_EFLAGS); -#if 0 - SHOW(HOST_FS); - SHOW(HOST_GS); - SHOW(HOST_DS); - SHOW(HOST_ES); -#endif - - SHOW(HOST_IP); - SHOW(HOST_SP); - printf("#define HOST_FP_SIZE 0\n"); - printf("#define HOST_XFP_SIZE 0\n"); - printf("\n"); - printf("\n"); - printf("#endif\n"); - return(0); -} - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/trap_kern.c b/arch/um/kernel/trap_kern.c index d297429ac36..95c8f8733ba 100644 --- a/arch/um/kernel/trap_kern.c +++ b/arch/um/kernel/trap_kern.c @@ -26,6 +26,9 @@ #include "mconsole_kern.h" #include "mem.h" #include "mem_kern.h" +#ifdef CONFIG_MODE_SKAS +#include "skas.h" +#endif /* Note this is constrained to return 0, -EFAULT, -EACCESS, -ENOMEM by segv(). */ int handle_page_fault(unsigned long address, unsigned long ip, @@ -134,7 +137,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, void *sc) else if(current->mm == NULL) panic("Segfault with no mm"); - if (SEGV_IS_FIXABLE(&fi)) + if (SEGV_IS_FIXABLE(&fi) || SEGV_MAYBE_FIXABLE(&fi)) err = handle_page_fault(address, ip, is_write, is_user, &si.si_code); else { err = -EFAULT; diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index f0a275947d3..93dc782dc1c 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -334,6 +334,8 @@ int linux_main(int argc, char **argv) add_arg(DEFAULT_COMMAND_LINE); os_early_checks(); + if (force_tt) + clear_can_do_skas(); mode_tt = force_tt ? 1 : !can_do_skas(); #ifndef CONFIG_MODE_TT if (mode_tt) { diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c index ab33cb3c74e..5a99dd3fbed 100644 --- a/arch/um/os-Linux/elf_aux.c +++ b/arch/um/os-Linux/elf_aux.c @@ -12,7 +12,7 @@ #include "init.h" #include "elf_user.h" #include "mem_user.h" -#include <kernel-offsets.h> +#include <kern_constants.h> /* Use the one from the kernel - the host may miss it, if having old headers. */ #if UM_ELF_CLASS == UM_ELFCLASS32 diff --git a/arch/um/os-Linux/util/Makefile b/arch/um/os-Linux/util/Makefile deleted file mode 100644 index 9778aed0c31..00000000000 --- a/arch/um/os-Linux/util/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -hostprogs-y := mk_user_constants -always := $(hostprogs-y) - -HOSTCFLAGS_mk_user_constants.o := -I$(objtree)/arch/um diff --git a/arch/um/os-Linux/util/mk_user_constants.c b/arch/um/os-Linux/util/mk_user_constants.c deleted file mode 100644 index 4838f30eecf..00000000000 --- a/arch/um/os-Linux/util/mk_user_constants.c +++ /dev/null @@ -1,23 +0,0 @@ -#include <stdio.h> -#include <user-offsets.h> - -int main(int argc, char **argv) -{ - printf("/*\n"); - printf(" * Generated by mk_user_constants\n"); - printf(" */\n"); - printf("\n"); - printf("#ifndef __UM_USER_CONSTANTS_H\n"); - printf("#define __UM_USER_CONSTANTS_H\n"); - printf("\n"); - /* I'd like to use FRAME_SIZE from ptrace.h here, but that's wrong on - * x86_64 (216 vs 168 bytes). user_regs_struct is the correct size on - * both x86_64 and i386. - */ - printf("#define UM_FRAME_SIZE %d\n", __UM_FRAME_SIZE); - - printf("\n"); - printf("#endif\n"); - - return(0); -} diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile index 4ca2a229da4..6dfeb70f695 100644 --- a/arch/um/sys-i386/Makefile +++ b/arch/um/sys-i386/Makefile @@ -18,6 +18,4 @@ module.c-dir = kernel $(obj)/stub_segv.o : _c_flags = $(call unprofile,$(CFLAGS)) -subdir- := util - include arch/um/scripts/Makefile.unmap diff --git a/arch/um/sys-i386/kernel-offsets.c b/arch/um/sys-i386/kernel-offsets.c index a1070af2bcd..35db8505750 100644 --- a/arch/um/sys-i386/kernel-offsets.c +++ b/arch/um/sys-i386/kernel-offsets.c @@ -18,9 +18,9 @@ void foo(void) { - OFFSET(TASK_DEBUGREGS, task_struct, thread.arch.debugregs); + OFFSET(HOST_TASK_DEBUGREGS, task_struct, thread.arch.debugregs); #ifdef CONFIG_MODE_TT - OFFSET(TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid); + OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid); #endif #include <common-offsets.h> } diff --git a/arch/um/sys-i386/user-offsets.c b/arch/um/sys-i386/user-offsets.c index 3ceaabceb3d..677fc26a9bb 100644 --- a/arch/um/sys-i386/user-offsets.c +++ b/arch/um/sys-i386/user-offsets.c @@ -7,47 +7,48 @@ #define DEFINE(sym, val) \ asm volatile("\n->" #sym " %0 " #val : : "i" (val)) +#define DEFINE_LONGS(sym, val) \ + asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long))) + #define OFFSET(sym, str, mem) \ DEFINE(sym, offsetof(struct str, mem)); void foo(void) { - OFFSET(SC_IP, sigcontext, eip); - OFFSET(SC_SP, sigcontext, esp); - OFFSET(SC_FS, sigcontext, fs); - OFFSET(SC_GS, sigcontext, gs); - OFFSET(SC_DS, sigcontext, ds); - OFFSET(SC_ES, sigcontext, es); - OFFSET(SC_SS, sigcontext, ss); - OFFSET(SC_CS, sigcontext, cs); - OFFSET(SC_EFLAGS, sigcontext, eflags); - OFFSET(SC_EAX, sigcontext, eax); - OFFSET(SC_EBX, sigcontext, ebx); - OFFSET(SC_ECX, sigcontext, ecx); - OFFSET(SC_EDX, sigcontext, edx); - OFFSET(SC_EDI, sigcontext, edi); - OFFSET(SC_ESI, sigcontext, esi); - OFFSET(SC_EBP, sigcontext, ebp); - OFFSET(SC_TRAPNO, sigcontext, trapno); - OFFSET(SC_ERR, sigcontext, err); - OFFSET(SC_CR2, sigcontext, cr2); - OFFSET(SC_FPSTATE, sigcontext, fpstate); - OFFSET(SC_SIGMASK, sigcontext, oldmask); - OFFSET(SC_FP_CW, _fpstate, cw); - OFFSET(SC_FP_SW, _fpstate, sw); - OFFSET(SC_FP_TAG, _fpstate, tag); - OFFSET(SC_FP_IPOFF, _fpstate, ipoff); - OFFSET(SC_FP_CSSEL, _fpstate, cssel); - OFFSET(SC_FP_DATAOFF, _fpstate, dataoff); - OFFSET(SC_FP_DATASEL, _fpstate, datasel); - OFFSET(SC_FP_ST, _fpstate, _st); - OFFSET(SC_FXSR_ENV, _fpstate, _fxsr_env); + OFFSET(HOST_SC_IP, sigcontext, eip); + OFFSET(HOST_SC_SP, sigcontext, esp); + OFFSET(HOST_SC_FS, sigcontext, fs); + OFFSET(HOST_SC_GS, sigcontext, gs); + OFFSET(HOST_SC_DS, sigcontext, ds); + OFFSET(HOST_SC_ES, sigcontext, es); + OFFSET(HOST_SC_SS, sigcontext, ss); + OFFSET(HOST_SC_CS, sigcontext, cs); + OFFSET(HOST_SC_EFLAGS, sigcontext, eflags); + OFFSET(HOST_SC_EAX, sigcontext, eax); + OFFSET(HOST_SC_EBX, sigcontext, ebx); + OFFSET(HOST_SC_ECX, sigcontext, ecx); + OFFSET(HOST_SC_EDX, sigcontext, edx); + OFFSET(HOST_SC_EDI, sigcontext, edi); + OFFSET(HOST_SC_ESI, sigcontext, esi); + OFFSET(HOST_SC_EBP, sigcontext, ebp); + OFFSET(HOST_SC_TRAPNO, sigcontext, trapno); + OFFSET(HOST_SC_ERR, sigcontext, err); + OFFSET(HOST_SC_CR2, sigcontext, cr2); + OFFSET(HOST_SC_FPSTATE, sigcontext, fpstate); + OFFSET(HOST_SC_SIGMASK, sigcontext, oldmask); + OFFSET(HOST_SC_FP_CW, _fpstate, cw); + OFFSET(HOST_SC_FP_SW, _fpstate, sw); + OFFSET(HOST_SC_FP_TAG, _fpstate, tag); + OFFSET(HOST_SC_FP_IPOFF, _fpstate, ipoff); + OFFSET(HOST_SC_FP_CSSEL, _fpstate, cssel); + OFFSET(HOST_SC_FP_DATAOFF, _fpstate, dataoff); + OFFSET(HOST_SC_FP_DATASEL, _fpstate, datasel); + OFFSET(HOST_SC_FP_ST, _fpstate, _st); + OFFSET(HOST_SC_FXSR_ENV, _fpstate, _fxsr_env); - DEFINE(HOST_FRAME_SIZE, FRAME_SIZE); - DEFINE(HOST_FP_SIZE, - sizeof(struct user_i387_struct) / sizeof(unsigned long)); - DEFINE(HOST_XFP_SIZE, - sizeof(struct user_fxsr_struct) / sizeof(unsigned long)); + DEFINE_LONGS(HOST_FRAME_SIZE, FRAME_SIZE); + DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_i387_struct)); + DEFINE_LONGS(HOST_XFP_SIZE, sizeof(struct user_fxsr_struct)); DEFINE(HOST_IP, EIP); DEFINE(HOST_SP, UESP); @@ -65,5 +66,5 @@ void foo(void) DEFINE(HOST_FS, FS); DEFINE(HOST_ES, ES); DEFINE(HOST_GS, GS); - DEFINE(__UM_FRAME_SIZE, sizeof(struct user_regs_struct)); + DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct)); } diff --git a/arch/um/sys-i386/util/Makefile b/arch/um/sys-i386/util/Makefile deleted file mode 100644 index bf61afd0b04..00000000000 --- a/arch/um/sys-i386/util/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -hostprogs-y := mk_sc mk_thread -always := $(hostprogs-y) - -HOSTCFLAGS_mk_sc.o := -I$(objtree)/arch/um -HOSTCFLAGS_mk_thread.o := -I$(objtree)/arch/um diff --git a/arch/um/sys-i386/util/mk_sc.c b/arch/um/sys-i386/util/mk_sc.c deleted file mode 100644 index 04c0d73433a..00000000000 --- a/arch/um/sys-i386/util/mk_sc.c +++ /dev/null @@ -1,51 +0,0 @@ -#include <stdio.h> -#include <user-offsets.h> - -#define SC_OFFSET(name, field) \ - printf("#define " #name "(sc) *((unsigned long *) &(((char *) (sc))[%d]))\n",\ - name) - -#define SC_FP_OFFSET(name, field) \ - printf("#define " #name \ - "(sc) *((unsigned long *) &(((char *) (SC_FPSTATE(sc)))[%d]))\n",\ - name) - -#define SC_FP_OFFSET_PTR(name, field, type) \ - printf("#define " #name \ - "(sc) ((" type " *) &(((char *) (SC_FPSTATE(sc)))[%d]))\n",\ - name) - -int main(int argc, char **argv) -{ - SC_OFFSET(SC_IP, eip); - SC_OFFSET(SC_SP, esp); - SC_OFFSET(SC_FS, fs); - SC_OFFSET(SC_GS, gs); - SC_OFFSET(SC_DS, ds); - SC_OFFSET(SC_ES, es); - SC_OFFSET(SC_SS, ss); - SC_OFFSET(SC_CS, cs); - SC_OFFSET(SC_EFLAGS, eflags); - SC_OFFSET(SC_EAX, eax); - SC_OFFSET(SC_EBX, ebx); - SC_OFFSET(SC_ECX, ecx); - SC_OFFSET(SC_EDX, edx); - SC_OFFSET(SC_EDI, edi); - SC_OFFSET(SC_ESI, esi); - SC_OFFSET(SC_EBP, ebp); - SC_OFFSET(SC_TRAPNO, trapno); - SC_OFFSET(SC_ERR, err); - SC_OFFSET(SC_CR2, cr2); - SC_OFFSET(SC_FPSTATE, fpstate); - SC_OFFSET(SC_SIGMASK, oldmask); - SC_FP_OFFSET(SC_FP_CW, cw); - SC_FP_OFFSET(SC_FP_SW, sw); - SC_FP_OFFSET(SC_FP_TAG, tag); - SC_FP_OFFSET(SC_FP_IPOFF, ipoff); - SC_FP_OFFSET(SC_FP_CSSEL, cssel); - SC_FP_OFFSET(SC_FP_DATAOFF, dataoff); - SC_FP_OFFSET(SC_FP_DATASEL, datasel); - SC_FP_OFFSET_PTR(SC_FP_ST, _st, "struct _fpstate"); - SC_FP_OFFSET_PTR(SC_FXSR_ENV, _fxsr_env, "void"); - return(0); -} diff --git a/arch/um/sys-i386/util/mk_thread.c b/arch/um/sys-i386/util/mk_thread.c deleted file mode 100644 index 7470d0dda67..00000000000 --- a/arch/um/sys-i386/util/mk_thread.c +++ /dev/null @@ -1,22 +0,0 @@ -#include <stdio.h> -#include <kernel-offsets.h> - -int main(int argc, char **argv) -{ - printf("/*\n"); - printf(" * Generated by mk_thread\n"); - printf(" */\n"); - printf("\n"); - printf("#ifndef __UM_THREAD_H\n"); - printf("#define __UM_THREAD_H\n"); - printf("\n"); - printf("#define TASK_DEBUGREGS(task) ((unsigned long *) " - "&(((char *) (task))[%d]))\n", TASK_DEBUGREGS); -#ifdef TASK_EXTERN_PID - printf("#define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[%d]))\n", - TASK_EXTERN_PID); -#endif - printf("\n"); - printf("#endif\n"); - return(0); -} diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile index f0ab574d1e9..06c3633457a 100644 --- a/arch/um/sys-x86_64/Makefile +++ b/arch/um/sys-x86_64/Makefile @@ -29,6 +29,4 @@ module.c-dir = kernel $(obj)/stub_segv.o: _c_flags = $(call unprofile,$(CFLAGS)) -subdir- := util - include arch/um/scripts/Makefile.unmap diff --git a/arch/um/sys-x86_64/kernel-offsets.c b/arch/um/sys-x86_64/kernel-offsets.c index 998541eade4..bfcb104b846 100644 --- a/arch/um/sys-x86_64/kernel-offsets.c +++ b/arch/um/sys-x86_64/kernel-offsets.c @@ -19,7 +19,7 @@ void foo(void) { #ifdef CONFIG_MODE_TT - OFFSET(TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid); + OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid); #endif #include <common-offsets.h> } diff --git a/arch/um/sys-x86_64/user-offsets.c b/arch/um/sys-x86_64/user-offsets.c index 513d17ceafd..5a585bfbb8c 100644 --- a/arch/um/sys-x86_64/user-offsets.c +++ b/arch/um/sys-x86_64/user-offsets.c @@ -16,71 +16,76 @@ typedef __u32 u32; #define DEFINE(sym, val) \ asm volatile("\n->" #sym " %0 " #val : : "i" (val)) +#define DEFINE_LONGS(sym, val) \ + asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long))) + #define OFFSET(sym, str, mem) \ DEFINE(sym, offsetof(struct str, mem)); void foo(void) { - OFFSET(SC_RBX, sigcontext, rbx); - OFFSET(SC_RCX, sigcontext, rcx); - OFFSET(SC_RDX, sigcontext, rdx); - OFFSET(SC_RSI, sigcontext, rsi); - OFFSET(SC_RDI, sigcontext, rdi); - OFFSET(SC_RBP, sigcontext, rbp); - OFFSET(SC_RAX, sigcontext, rax); - OFFSET(SC_R8, sigcontext, r8); - OFFSET(SC_R9, sigcontext, r9); - OFFSET(SC_R10, sigcontext, r10); - OFFSET(SC_R11, sigcontext, r11); - OFFSET(SC_R12, sigcontext, r12); - OFFSET(SC_R13, sigcontext, r13); - OFFSET(SC_R14, sigcontext, r14); - OFFSET(SC_R15, sigcontext, r15); - OFFSET(SC_IP, sigcontext, rip); - OFFSET(SC_SP, sigcontext, rsp); - OFFSET(SC_CR2, sigcontext, cr2); - OFFSET(SC_ERR, sigcontext, err); - OFFSET(SC_TRAPNO, sigcontext, trapno); - OFFSET(SC_CS, sigcontext, cs); - OFFSET(SC_FS, sigcontext, fs); - OFFSET(SC_GS, sigcontext, gs); - OFFSET(SC_EFLAGS, sigcontext, eflags); - OFFSET(SC_SIGMASK, sigcontext, oldmask); + OFFSET(HOST_SC_RBX, sigcontext, rbx); + OFFSET(HOST_SC_RCX, sigcontext, rcx); + OFFSET(HOST_SC_RDX, sigcontext, rdx); + OFFSET(HOST_SC_RSI, sigcontext, rsi); + OFFSET(HOST_SC_RDI, sigcontext, rdi); + OFFSET(HOST_SC_RBP, sigcontext, rbp); + OFFSET(HOST_SC_RAX, sigcontext, rax); + OFFSET(HOST_SC_R8, sigcontext, r8); + OFFSET(HOST_SC_R9, sigcontext, r9); + OFFSET(HOST_SC_R10, sigcontext, r10); + OFFSET(HOST_SC_R11, sigcontext, r11); + OFFSET(HOST_SC_R12, sigcontext, r12); + OFFSET(HOST_SC_R13, sigcontext, r13); + OFFSET(HOST_SC_R14, sigcontext, r14); + OFFSET(HOST_SC_R15, sigcontext, r15); + OFFSET(HOST_SC_IP, sigcontext, rip); + OFFSET(HOST_SC_SP, sigcontext, rsp); + OFFSET(HOST_SC_CR2, sigcontext, cr2); + OFFSET(HOST_SC_ERR, sigcontext, err); + OFFSET(HOST_SC_TRAPNO, sigcontext, trapno); + OFFSET(HOST_SC_CS, sigcontext, cs); + OFFSET(HOST_SC_FS, sigcontext, fs); + OFFSET(HOST_SC_GS, sigcontext, gs); + OFFSET(HOST_SC_EFLAGS, sigcontext, eflags); + OFFSET(HOST_SC_SIGMASK, sigcontext, oldmask); #if 0 - OFFSET(SC_ORIG_RAX, sigcontext, orig_rax); - OFFSET(SC_DS, sigcontext, ds); - OFFSET(SC_ES, sigcontext, es); - OFFSET(SC_SS, sigcontext, ss); + OFFSET(HOST_SC_ORIG_RAX, sigcontext, orig_rax); + OFFSET(HOST_SC_DS, sigcontext, ds); + OFFSET(HOST_SC_ES, sigcontext, es); + OFFSET(HOST_SC_SS, sigcontext, ss); #endif - DEFINE(HOST_FRAME_SIZE, FRAME_SIZE); - DEFINE(HOST_RBX, RBX); - DEFINE(HOST_RCX, RCX); - DEFINE(HOST_RDI, RDI); - DEFINE(HOST_RSI, RSI); - DEFINE(HOST_RDX, RDX); - DEFINE(HOST_RBP, RBP); - DEFINE(HOST_RAX, RAX); - DEFINE(HOST_R8, R8); - DEFINE(HOST_R9, R9); - DEFINE(HOST_R10, R10); - DEFINE(HOST_R11, R11); - DEFINE(HOST_R12, R12); - DEFINE(HOST_R13, R13); - DEFINE(HOST_R14, R14); - DEFINE(HOST_R15, R15); - DEFINE(HOST_ORIG_RAX, ORIG_RAX); - DEFINE(HOST_CS, CS); - DEFINE(HOST_SS, SS); - DEFINE(HOST_EFLAGS, EFLAGS); + DEFINE_LONGS(HOST_FRAME_SIZE, FRAME_SIZE); + DEFINE(HOST_FP_SIZE, 0); + DEFINE(HOST_XFP_SIZE, 0); + DEFINE_LONGS(HOST_RBX, RBX); + DEFINE_LONGS(HOST_RCX, RCX); + DEFINE_LONGS(HOST_RDI, RDI); + DEFINE_LONGS(HOST_RSI, RSI); + DEFINE_LONGS(HOST_RDX, RDX); + DEFINE_LONGS(HOST_RBP, RBP); + DEFINE_LONGS(HOST_RAX, RAX); + DEFINE_LONGS(HOST_R8, R8); + DEFINE_LONGS(HOST_R9, R9); + DEFINE_LONGS(HOST_R10, R10); + DEFINE_LONGS(HOST_R11, R11); + DEFINE_LONGS(HOST_R12, R12); + DEFINE_LONGS(HOST_R13, R13); + DEFINE_LONGS(HOST_R14, R14); + DEFINE_LONGS(HOST_R15, R15); + DEFINE_LONGS(HOST_ORIG_RAX, ORIG_RAX); + DEFINE_LONGS(HOST_CS, CS); + DEFINE_LONGS(HOST_SS, SS); + DEFINE_LONGS(HOST_EFLAGS, EFLAGS); #if 0 - DEFINE(HOST_FS, FS); - DEFINE(HOST_GS, GS); - DEFINE(HOST_DS, DS); - DEFINE(HOST_ES, ES); + DEFINE_LONGS(HOST_FS, FS); + DEFINE_LONGS(HOST_GS, GS); + DEFINE_LONGS(HOST_DS, DS); + DEFINE_LONGS(HOST_ES, ES); #endif - DEFINE(HOST_IP, RIP); - DEFINE(HOST_SP, RSP); - DEFINE(__UM_FRAME_SIZE, sizeof(struct user_regs_struct)); + DEFINE_LONGS(HOST_IP, RIP); + DEFINE_LONGS(HOST_SP, RSP); + DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct)); } diff --git a/arch/um/sys-x86_64/util/Makefile b/arch/um/sys-x86_64/util/Makefile deleted file mode 100644 index 75b052cfc20..00000000000 --- a/arch/um/sys-x86_64/util/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# Copyright 2003 - 2004 Pathscale, Inc -# Released under the GPL - -hostprogs-y := mk_sc mk_thread -always := $(hostprogs-y) - -HOSTCFLAGS_mk_sc.o := -I$(objtree)/arch/um -HOSTCFLAGS_mk_thread.o := -I$(objtree)/arch/um diff --git a/arch/um/sys-x86_64/util/mk_sc.c b/arch/um/sys-x86_64/util/mk_sc.c deleted file mode 100644 index 7619bc377c1..00000000000 --- a/arch/um/sys-x86_64/util/mk_sc.c +++ /dev/null @@ -1,47 +0,0 @@ -/* Copyright (C) 2003 - 2004 PathScale, Inc - * Released under the GPL - */ - -#include <stdio.h> -#include <user-offsets.h> - -#define SC_OFFSET(name) \ - printf("#define " #name \ - "(sc) *((unsigned long *) &(((char *) (sc))[%d]))\n",\ - name) - -int main(int argc, char **argv) -{ - SC_OFFSET(SC_RBX); - SC_OFFSET(SC_RCX); - SC_OFFSET(SC_RDX); - SC_OFFSET(SC_RSI); - SC_OFFSET(SC_RDI); - SC_OFFSET(SC_RBP); - SC_OFFSET(SC_RAX); - SC_OFFSET(SC_R8); - SC_OFFSET(SC_R9); - SC_OFFSET(SC_R10); - SC_OFFSET(SC_R11); - SC_OFFSET(SC_R12); - SC_OFFSET(SC_R13); - SC_OFFSET(SC_R14); - SC_OFFSET(SC_R15); - SC_OFFSET(SC_IP); - SC_OFFSET(SC_SP); - SC_OFFSET(SC_CR2); - SC_OFFSET(SC_ERR); - SC_OFFSET(SC_TRAPNO); - SC_OFFSET(SC_CS); - SC_OFFSET(SC_FS); - SC_OFFSET(SC_GS); - SC_OFFSET(SC_EFLAGS); - SC_OFFSET(SC_SIGMASK); -#if 0 - SC_OFFSET(SC_ORIG_RAX); - SC_OFFSET(SC_DS); - SC_OFFSET(SC_ES); - SC_OFFSET(SC_SS); -#endif - return(0); -} diff --git a/arch/um/sys-x86_64/util/mk_thread.c b/arch/um/sys-x86_64/util/mk_thread.c deleted file mode 100644 index 15517396e9c..00000000000 --- a/arch/um/sys-x86_64/util/mk_thread.c +++ /dev/null @@ -1,20 +0,0 @@ -#include <stdio.h> -#include <kernel-offsets.h> - -int main(int argc, char **argv) -{ - printf("/*\n"); - printf(" * Generated by mk_thread\n"); - printf(" */\n"); - printf("\n"); - printf("#ifndef __UM_THREAD_H\n"); - printf("#define __UM_THREAD_H\n"); - printf("\n"); -#ifdef TASK_EXTERN_PID - printf("#define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[%d]))\n", - TASK_EXTERN_PID); -#endif - printf("\n"); - printf("#endif\n"); - return(0); -} diff --git a/arch/um/util/Makefile b/arch/um/util/Makefile deleted file mode 100644 index 4c7551c2803..00000000000 --- a/arch/um/util/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -hostprogs-y := mk_task mk_constants -always := $(hostprogs-y) - -HOSTCFLAGS_mk_task.o := -I$(objtree)/arch/um -HOSTCFLAGS_mk_constants.o := -I$(objtree)/arch/um diff --git a/arch/um/util/mk_constants.c b/arch/um/util/mk_constants.c deleted file mode 100644 index ab217becc36..00000000000 --- a/arch/um/util/mk_constants.c +++ /dev/null @@ -1,32 +0,0 @@ -#include <stdio.h> -#include <kernel-offsets.h> - -#define SHOW_INT(sym) printf("#define %s %d\n", #sym, sym) -#define SHOW_STR(sym) printf("#define %s %s\n", #sym, sym) - -int main(int argc, char **argv) -{ - printf("/*\n"); - printf(" * Generated by mk_constants\n"); - printf(" */\n"); - printf("\n"); - printf("#ifndef __UM_CONSTANTS_H\n"); - printf("#define __UM_CONSTANTS_H\n"); - printf("\n"); - - SHOW_INT(UM_KERN_PAGE_SIZE); - - SHOW_STR(UM_KERN_EMERG); - SHOW_STR(UM_KERN_ALERT); - SHOW_STR(UM_KERN_CRIT); - SHOW_STR(UM_KERN_ERR); - SHOW_STR(UM_KERN_WARNING); - SHOW_STR(UM_KERN_NOTICE); - SHOW_STR(UM_KERN_INFO); - SHOW_STR(UM_KERN_DEBUG); - - SHOW_INT(UM_NSEC_PER_SEC); - printf("\n"); - printf("#endif\n"); - return(0); -} diff --git a/arch/um/util/mk_task.c b/arch/um/util/mk_task.c deleted file mode 100644 index 36c9606505e..00000000000 --- a/arch/um/util/mk_task.c +++ /dev/null @@ -1,30 +0,0 @@ -#include <stdio.h> -#include <kernel-offsets.h> - -void print_ptr(char *name, char *type, int offset) -{ - printf("#define %s(task) ((%s *) &(((char *) (task))[%d]))\n", name, type, - offset); -} - -void print(char *name, char *type, int offset) -{ - printf("#define %s(task) *((%s *) &(((char *) (task))[%d]))\n", name, type, - offset); -} - -int main(int argc, char **argv) -{ - printf("/*\n"); - printf(" * Generated by mk_task\n"); - printf(" */\n"); - printf("\n"); - printf("#ifndef __TASK_H\n"); - printf("#define __TASK_H\n"); - printf("\n"); - print_ptr("TASK_REGS", "union uml_pt_regs", TASK_REGS); - print("TASK_PID", "int", TASK_PID); - printf("\n"); - printf("#endif\n"); - return(0); -} diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c index df08c43276a..76a28b007be 100644 --- a/arch/x86_64/kernel/kprobes.c +++ b/arch/x86_64/kernel/kprobes.c @@ -77,9 +77,9 @@ static inline int is_IF_modifier(kprobe_opcode_t *insn) int __kprobes arch_prepare_kprobe(struct kprobe *p) { /* insn: must be on special executable page on x86_64. */ - up(&kprobe_mutex); - p->ainsn.insn = get_insn_slot(); down(&kprobe_mutex); + p->ainsn.insn = get_insn_slot(); + up(&kprobe_mutex); if (!p->ainsn.insn) { return -ENOMEM; } @@ -231,9 +231,9 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) void __kprobes arch_remove_kprobe(struct kprobe *p) { - up(&kprobe_mutex); - free_insn_slot(p->ainsn.insn); down(&kprobe_mutex); + free_insn_slot(p->ainsn.insn); + up(&kprobe_mutex); } static inline void save_previous_kprobe(void) diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index 08203b07f4b..69541db5ff2 100644 --- a/arch/x86_64/kernel/mce.c +++ b/arch/x86_64/kernel/mce.c @@ -54,9 +54,12 @@ void mce_log(struct mce *mce) { unsigned next, entry; mce->finished = 0; - smp_wmb(); + wmb(); for (;;) { entry = rcu_dereference(mcelog.next); + /* The rmb forces the compiler to reload next in each + iteration */ + rmb(); for (;;) { /* When the buffer fills up discard new entries. Assume that the earlier errors are the more interesting. */ @@ -69,6 +72,7 @@ void mce_log(struct mce *mce) entry++; continue; } + break; } smp_rmb(); next = entry + 1; @@ -76,9 +80,9 @@ void mce_log(struct mce *mce) break; } memcpy(mcelog.entry + entry, mce, sizeof(struct mce)); - smp_wmb(); + wmb(); mcelog.entry[entry].finished = 1; - smp_wmb(); + wmb(); if (!test_and_set_bit(0, &console_logged)) notify_user = 1; diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 238f73e1a83..257f5ba1790 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -831,8 +831,6 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c) #endif } -#define HWCR 0xc0010015 - static int __init init_amd(struct cpuinfo_x86 *c) { int r; @@ -841,14 +839,18 @@ static int __init init_amd(struct cpuinfo_x86 *c) #ifdef CONFIG_SMP unsigned long value; - // Disable TLB flush filter by setting HWCR.FFDIS: - // bit 6 of msr C001_0015 - // - // Errata 63 for SH-B3 steppings - // Errata 122 for all(?) steppings - rdmsrl(HWCR, value); - value |= 1 << 6; - wrmsrl(HWCR, value); + /* + * Disable TLB flush filter by setting HWCR.FFDIS on K8 + * bit 6 of msr C001_0015 + * + * Errata 63 for SH-B3 steppings + * Errata 122 for all steppings (F+ have it disabled by default) + */ + if (c->x86 == 15) { + rdmsrl(MSR_K8_HWCR, value); + value |= 1 << 6; + wrmsrl(MSR_K8_HWCR, value); + } #endif /* Bit 31 in normal CPUID used for nonstandard 3DNow ID; diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 2373cb8b862..703acde2a1a 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -959,9 +959,6 @@ static __init int unsynchronized_tsc(void) are handled in the OEM check above. */ if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) return 0; - /* All in a single socket - should be synchronized */ - if (cpus_weight(cpu_core_map[0]) == num_online_cpus()) - return 0; #endif /* Assume multi socket systems are not synchronized */ return num_online_cpus() > 1; diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c index 80a49d9bd8a..21480382100 100644 --- a/arch/x86_64/mm/numa.c +++ b/arch/x86_64/mm/numa.c @@ -167,18 +167,16 @@ void __init numa_init_array(void) mapping. To avoid this fill in the mapping for all possible CPUs, as the number of CPUs is not known yet. We round robin the existing nodes. */ - rr = 0; + rr = first_node(node_online_map); for (i = 0; i < NR_CPUS; i++) { if (cpu_to_node[i] != NUMA_NO_NODE) continue; + cpu_to_node[i] = rr; rr = next_node(rr, node_online_map); if (rr == MAX_NUMNODES) rr = first_node(node_online_map); - cpu_to_node[i] = rr; - rr++; } - set_bit(0, &node_to_cpumask[cpu_to_node(0)]); } #ifdef CONFIG_NUMA_EMU @@ -266,9 +264,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn) __cpuinit void numa_add_cpu(int cpu) { - /* BP is initialized elsewhere */ - if (cpu) - set_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]); + set_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]); } unsigned long __init numa_free_all_bootmem(void) diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index 6ba48f346fc..041bb47b5c3 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -376,7 +376,7 @@ static int __init drm_core_init(void) goto err_p2; } - drm_proc_root = create_proc_entry("dri", S_IFDIR, NULL); + drm_proc_root = proc_mkdir("dri", NULL); if (!drm_proc_root) { DRM_ERROR("Cannot create /proc/dri\n"); ret = -1; diff --git a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c index 32d2bb99462..97796100248 100644 --- a/drivers/char/drm/drm_proc.c +++ b/drivers/char/drm/drm_proc.c @@ -95,7 +95,7 @@ int drm_proc_init(drm_device_t *dev, int minor, char name[64]; sprintf(name, "%d", minor); - *dev_root = create_proc_entry(name, S_IFDIR, root); + *dev_root = proc_mkdir(name, root); if (!*dev_root) { DRM_ERROR("Cannot create /proc/dri/%s\n", name); return -1; diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c index e82a96ba396..f66947722e1 100644 --- a/drivers/char/ipmi/ipmi_poweroff.c +++ b/drivers/char/ipmi/ipmi_poweroff.c @@ -55,7 +55,7 @@ extern void (*pm_power_off)(void); static int poweroff_powercycle; /* parameter definition to allow user to flag power cycle */ -module_param(poweroff_powercycle, int, 0); +module_param(poweroff_powercycle, int, 0644); MODULE_PARM_DESC(poweroff_powercycles, " Set to non-zero to enable power cycle instead of power down. Power cycle is contingent on hardware support, otherwise it defaults back to power down."); /* Stuff from the get device id command. */ diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c index 2291a87e8ad..97d6dc24b80 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/char/n_r3964.c @@ -229,8 +229,8 @@ static int __init r3964_init(void) TRACE_L("line discipline %d registered", N_R3964); TRACE_L("flags=%x num=%x", tty_ldisc_N_R3964.flags, tty_ldisc_N_R3964.num); - TRACE_L("open=%x", (int)tty_ldisc_N_R3964.open); - TRACE_L("tty_ldisc_N_R3964 = %x", (int)&tty_ldisc_N_R3964); + TRACE_L("open=%p", tty_ldisc_N_R3964.open); + TRACE_L("tty_ldisc_N_R3964 = %p", &tty_ldisc_N_R3964); } else { @@ -267,8 +267,8 @@ static void add_tx_queue(struct r3964_info *pInfo, struct r3964_block_header *pH spin_unlock_irqrestore(&pInfo->lock, flags); - TRACE_Q("add_tx_queue %x, length %d, tx_first = %x", - (int)pHeader, pHeader->length, (int)pInfo->tx_first ); + TRACE_Q("add_tx_queue %p, length %d, tx_first = %p", + pHeader, pHeader->length, pInfo->tx_first ); } static void remove_from_tx_queue(struct r3964_info *pInfo, int error_code) @@ -285,10 +285,10 @@ static void remove_from_tx_queue(struct r3964_info *pInfo, int error_code) return; #ifdef DEBUG_QUEUE - printk("r3964: remove_from_tx_queue: %x, length %d - ", - (int)pHeader, (int)pHeader->length ); + printk("r3964: remove_from_tx_queue: %p, length %u - ", + pHeader, pHeader->length ); for(pDump=pHeader;pDump;pDump=pDump->next) - printk("%x ", (int)pDump); + printk("%p ", pDump); printk("\n"); #endif @@ -319,10 +319,10 @@ static void remove_from_tx_queue(struct r3964_info *pInfo, int error_code) spin_unlock_irqrestore(&pInfo->lock, flags); kfree(pHeader); - TRACE_M("remove_from_tx_queue - kfree %x",(int)pHeader); + TRACE_M("remove_from_tx_queue - kfree %p",pHeader); - TRACE_Q("remove_from_tx_queue: tx_first = %x, tx_last = %x", - (int)pInfo->tx_first, (int)pInfo->tx_last ); + TRACE_Q("remove_from_tx_queue: tx_first = %p, tx_last = %p", + pInfo->tx_first, pInfo->tx_last ); } static void add_rx_queue(struct r3964_info *pInfo, struct r3964_block_header *pHeader) @@ -346,9 +346,9 @@ static void add_rx_queue(struct r3964_info *pInfo, struct r3964_block_header *pH spin_unlock_irqrestore(&pInfo->lock, flags); - TRACE_Q("add_rx_queue: %x, length = %d, rx_first = %x, count = %d", - (int)pHeader, pHeader->length, - (int)pInfo->rx_first, pInfo->blocks_in_rx_queue); + TRACE_Q("add_rx_queue: %p, length = %d, rx_first = %p, count = %d", + pHeader, pHeader->length, + pInfo->rx_first, pInfo->blocks_in_rx_queue); } static void remove_from_rx_queue(struct r3964_info *pInfo, @@ -360,10 +360,10 @@ static void remove_from_rx_queue(struct r3964_info *pInfo, if(pHeader==NULL) return; - TRACE_Q("remove_from_rx_queue: rx_first = %x, rx_last = %x, count = %d", - (int)pInfo->rx_first, (int)pInfo->rx_last, pInfo->blocks_in_rx_queue ); - TRACE_Q("remove_from_rx_queue: %x, length %d", - (int)pHeader, (int)pHeader->length ); + TRACE_Q("remove_from_rx_queue: rx_first = %p, rx_last = %p, count = %d", + pInfo->rx_first, pInfo->rx_last, pInfo->blocks_in_rx_queue ); + TRACE_Q("remove_from_rx_queue: %p, length %u", + pHeader, pHeader->length ); spin_lock_irqsave(&pInfo->lock, flags); @@ -401,10 +401,10 @@ static void remove_from_rx_queue(struct r3964_info *pInfo, spin_unlock_irqrestore(&pInfo->lock, flags); kfree(pHeader); - TRACE_M("remove_from_rx_queue - kfree %x",(int)pHeader); + TRACE_M("remove_from_rx_queue - kfree %p",pHeader); - TRACE_Q("remove_from_rx_queue: rx_first = %x, rx_last = %x, count = %d", - (int)pInfo->rx_first, (int)pInfo->rx_last, pInfo->blocks_in_rx_queue ); + TRACE_Q("remove_from_rx_queue: rx_first = %p, rx_last = %p, count = %d", + pInfo->rx_first, pInfo->rx_last, pInfo->blocks_in_rx_queue ); } static void put_char(struct r3964_info *pInfo, unsigned char ch) @@ -506,8 +506,8 @@ static void transmit_block(struct r3964_info *pInfo) if(tty->driver->write_room) room=tty->driver->write_room(tty); - TRACE_PS("transmit_block %x, room %d, length %d", - (int)pBlock, room, pBlock->length); + TRACE_PS("transmit_block %p, room %d, length %d", + pBlock, room, pBlock->length); while(pInfo->tx_position < pBlock->length) { @@ -588,7 +588,7 @@ static void on_receive_block(struct r3964_info *pInfo) /* prepare struct r3964_block_header: */ pBlock = kmalloc(length+sizeof(struct r3964_block_header), GFP_KERNEL); - TRACE_M("on_receive_block - kmalloc %x",(int)pBlock); + TRACE_M("on_receive_block - kmalloc %p",pBlock); if(pBlock==NULL) return; @@ -868,11 +868,11 @@ static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) if(pMsg) { kfree(pMsg); - TRACE_M("enable_signals - msg kfree %x",(int)pMsg); + TRACE_M("enable_signals - msg kfree %p",pMsg); } } kfree(pClient); - TRACE_M("enable_signals - kfree %x",(int)pClient); + TRACE_M("enable_signals - kfree %p",pClient); return 0; } } @@ -890,7 +890,7 @@ static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) { /* add client to client list */ pClient=kmalloc(sizeof(struct r3964_client_info), GFP_KERNEL); - TRACE_M("enable_signals - kmalloc %x",(int)pClient); + TRACE_M("enable_signals - kmalloc %p",pClient); if(pClient==NULL) return -ENOMEM; @@ -954,7 +954,7 @@ static void add_msg(struct r3964_client_info *pClient, int msg_id, int arg, queue_the_message: pMsg = kmalloc(sizeof(struct r3964_message), GFP_KERNEL); - TRACE_M("add_msg - kmalloc %x",(int)pMsg); + TRACE_M("add_msg - kmalloc %p",pMsg); if(pMsg==NULL) { return; } @@ -1067,11 +1067,11 @@ static int r3964_open(struct tty_struct *tty) struct r3964_info *pInfo; TRACE_L("open"); - TRACE_L("tty=%x, PID=%d, disc_data=%x", - (int)tty, current->pid, (int)tty->disc_data); + TRACE_L("tty=%p, PID=%d, disc_data=%p", + tty, current->pid, tty->disc_data); pInfo=kmalloc(sizeof(struct r3964_info), GFP_KERNEL); - TRACE_M("r3964_open - info kmalloc %x",(int)pInfo); + TRACE_M("r3964_open - info kmalloc %p",pInfo); if(!pInfo) { @@ -1080,26 +1080,26 @@ static int r3964_open(struct tty_struct *tty) } pInfo->rx_buf = kmalloc(RX_BUF_SIZE, GFP_KERNEL); - TRACE_M("r3964_open - rx_buf kmalloc %x",(int)pInfo->rx_buf); + TRACE_M("r3964_open - rx_buf kmalloc %p",pInfo->rx_buf); if(!pInfo->rx_buf) { printk(KERN_ERR "r3964: failed to alloc receive buffer\n"); kfree(pInfo); - TRACE_M("r3964_open - info kfree %x",(int)pInfo); + TRACE_M("r3964_open - info kfree %p",pInfo); return -ENOMEM; } pInfo->tx_buf = kmalloc(TX_BUF_SIZE, GFP_KERNEL); - TRACE_M("r3964_open - tx_buf kmalloc %x",(int)pInfo->tx_buf); + TRACE_M("r3964_open - tx_buf kmalloc %p",pInfo->tx_buf); if(!pInfo->tx_buf) { printk(KERN_ERR "r3964: failed to alloc transmit buffer\n"); kfree(pInfo->rx_buf); - TRACE_M("r3964_open - rx_buf kfree %x",(int)pInfo->rx_buf); + TRACE_M("r3964_open - rx_buf kfree %p",pInfo->rx_buf); kfree(pInfo); - TRACE_M("r3964_open - info kfree %x",(int)pInfo); + TRACE_M("r3964_open - info kfree %p",pInfo); return -ENOMEM; } @@ -1154,11 +1154,11 @@ static void r3964_close(struct tty_struct *tty) if(pMsg) { kfree(pMsg); - TRACE_M("r3964_close - msg kfree %x",(int)pMsg); + TRACE_M("r3964_close - msg kfree %p",pMsg); } } kfree(pClient); - TRACE_M("r3964_close - client kfree %x",(int)pClient); + TRACE_M("r3964_close - client kfree %p",pClient); pClient=pNext; } /* Remove jobs from tx_queue: */ @@ -1177,11 +1177,11 @@ static void r3964_close(struct tty_struct *tty) /* Free buffers: */ wake_up_interruptible(&pInfo->read_wait); kfree(pInfo->rx_buf); - TRACE_M("r3964_close - rx_buf kfree %x",(int)pInfo->rx_buf); + TRACE_M("r3964_close - rx_buf kfree %p",pInfo->rx_buf); kfree(pInfo->tx_buf); - TRACE_M("r3964_close - tx_buf kfree %x",(int)pInfo->tx_buf); + TRACE_M("r3964_close - tx_buf kfree %p",pInfo->tx_buf); kfree(pInfo); - TRACE_M("r3964_close - info kfree %x",(int)pInfo); + TRACE_M("r3964_close - info kfree %p",pInfo); } static ssize_t r3964_read(struct tty_struct *tty, struct file *file, @@ -1234,7 +1234,7 @@ repeat: count = sizeof(struct r3964_client_message); kfree(pMsg); - TRACE_M("r3964_read - msg kfree %x",(int)pMsg); + TRACE_M("r3964_read - msg kfree %p",pMsg); if (copy_to_user(buf,&theMsg, count)) return -EFAULT; @@ -1279,7 +1279,7 @@ static ssize_t r3964_write(struct tty_struct * tty, struct file * file, * Allocate a buffer for the data and copy it from the buffer with header prepended */ new_data = kmalloc (count+sizeof(struct r3964_block_header), GFP_KERNEL); - TRACE_M("r3964_write - kmalloc %x",(int)new_data); + TRACE_M("r3964_write - kmalloc %p",new_data); if (new_data == NULL) { if (pInfo->flags & R3964_DEBUG) { diff --git a/drivers/char/watchdog/mv64x60_wdt.c b/drivers/char/watchdog/mv64x60_wdt.c index 1436aea3b28..6d3ff0836c4 100644 --- a/drivers/char/watchdog/mv64x60_wdt.c +++ b/drivers/char/watchdog/mv64x60_wdt.c @@ -87,6 +87,8 @@ static int mv64x60_wdt_open(struct inode *inode, struct file *file) mv64x60_wdt_service(); mv64x60_wdt_handler_enable(); + nonseekable_open(inode, file); + return 0; } @@ -103,12 +105,9 @@ static int mv64x60_wdt_release(struct inode *inode, struct file *file) return 0; } -static ssize_t mv64x60_wdt_write(struct file *file, const char *data, +static ssize_t mv64x60_wdt_write(struct file *file, const char __user *data, size_t len, loff_t * ppos) { - if (*ppos != file->f_pos) - return -ESPIPE; - if (len) mv64x60_wdt_service(); @@ -119,6 +118,7 @@ static int mv64x60_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { int timeout; + void __user *argp = (void __user *)arg; static struct watchdog_info info = { .options = WDIOF_KEEPALIVEPING, .firmware_version = 0, @@ -127,13 +127,13 @@ static int mv64x60_wdt_ioctl(struct inode *inode, struct file *file, switch (cmd) { case WDIOC_GETSUPPORT: - if (copy_to_user((void *)arg, &info, sizeof(info))) + if (copy_to_user(argp, &info, sizeof(info))) return -EFAULT; break; case WDIOC_GETSTATUS: case WDIOC_GETBOOTSTATUS: - if (put_user(wdt_status, (int *)arg)) + if (put_user(wdt_status, (int __user *)argp)) return -EFAULT; wdt_status &= ~WDIOF_KEEPALIVEPING; break; @@ -154,7 +154,7 @@ static int mv64x60_wdt_ioctl(struct inode *inode, struct file *file, case WDIOC_GETTIMEOUT: timeout = mv64x60_wdt_timeout * HZ; - if (put_user(timeout, (int *)arg)) + if (put_user(timeout, (int __user *)argp)) return -EFAULT; break; diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c index 966632182e2..9f2f00d8291 100644 --- a/drivers/connector/cn_queue.c +++ b/drivers/connector/cn_queue.c @@ -31,16 +31,19 @@ #include <linux/connector.h> #include <linux/delay.h> -static void cn_queue_wrapper(void *data) +void cn_queue_wrapper(void *data) { - struct cn_callback_entry *cbq = data; + struct cn_callback_data *d = data; - cbq->cb->callback(cbq->cb->priv); - cbq->destruct_data(cbq->ddata); - cbq->ddata = NULL; + d->callback(d->callback_priv); + + d->destruct_data(d->ddata); + d->ddata = NULL; + + kfree(d->free); } -static struct cn_callback_entry *cn_queue_alloc_callback_entry(struct cn_callback *cb) +static struct cn_callback_entry *cn_queue_alloc_callback_entry(char *name, struct cb_id *id, void (*callback)(void *)) { struct cn_callback_entry *cbq; @@ -50,8 +53,11 @@ static struct cn_callback_entry *cn_queue_alloc_callback_entry(struct cn_callbac return NULL; } - cbq->cb = cb; - INIT_WORK(&cbq->work, &cn_queue_wrapper, cbq); + snprintf(cbq->id.name, sizeof(cbq->id.name), "%s", name); + memcpy(&cbq->id.id, id, sizeof(struct cb_id)); + cbq->data.callback = callback; + + INIT_WORK(&cbq->work, &cn_queue_wrapper, &cbq->data); return cbq; } @@ -68,12 +74,12 @@ int cn_cb_equal(struct cb_id *i1, struct cb_id *i2) return ((i1->idx == i2->idx) && (i1->val == i2->val)); } -int cn_queue_add_callback(struct cn_queue_dev *dev, struct cn_callback *cb) +int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(void *)) { struct cn_callback_entry *cbq, *__cbq; int found = 0; - cbq = cn_queue_alloc_callback_entry(cb); + cbq = cn_queue_alloc_callback_entry(name, id, callback); if (!cbq) return -ENOMEM; @@ -82,7 +88,7 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, struct cn_callback *cb) spin_lock_bh(&dev->queue_lock); list_for_each_entry(__cbq, &dev->queue_list, callback_entry) { - if (cn_cb_equal(&__cbq->cb->id, &cb->id)) { + if (cn_cb_equal(&__cbq->id.id, id)) { found = 1; break; } @@ -99,7 +105,7 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, struct cn_callback *cb) cbq->nls = dev->nls; cbq->seq = 0; - cbq->group = cbq->cb->id.idx; + cbq->group = cbq->id.id.idx; return 0; } @@ -111,7 +117,7 @@ void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id) spin_lock_bh(&dev->queue_lock); list_for_each_entry_safe(cbq, n, &dev->queue_list, callback_entry) { - if (cn_cb_equal(&cbq->cb->id, id)) { + if (cn_cb_equal(&cbq->id.id, id)) { list_del(&cbq->callback_entry); found = 1; break; diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index aaf6d468a8b..bb0b3a8de14 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -84,7 +84,7 @@ int cn_netlink_send(struct cn_msg *msg, u32 __group, int gfp_mask) spin_lock_bh(&dev->cbdev->queue_lock); list_for_each_entry(__cbq, &dev->cbdev->queue_list, callback_entry) { - if (cn_cb_equal(&__cbq->cb->id, &msg->id)) { + if (cn_cb_equal(&__cbq->id.id, &msg->id)) { found = 1; group = __cbq->group; } @@ -127,42 +127,56 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v { struct cn_callback_entry *__cbq; struct cn_dev *dev = &cdev; - int found = 0; + int err = -ENODEV; spin_lock_bh(&dev->cbdev->queue_lock); list_for_each_entry(__cbq, &dev->cbdev->queue_list, callback_entry) { - if (cn_cb_equal(&__cbq->cb->id, &msg->id)) { - /* - * Let's scream if there is some magic and the - * data will arrive asynchronously here. - * [i.e. netlink messages will be queued]. - * After the first warning I will fix it - * quickly, but now I think it is - * impossible. --zbr (2004_04_27). - */ + if (cn_cb_equal(&__cbq->id.id, &msg->id)) { if (likely(!test_bit(0, &__cbq->work.pending) && - __cbq->ddata == NULL)) { - __cbq->cb->priv = msg; + __cbq->data.ddata == NULL)) { + __cbq->data.callback_priv = msg; - __cbq->ddata = data; - __cbq->destruct_data = destruct_data; + __cbq->data.ddata = data; + __cbq->data.destruct_data = destruct_data; if (queue_work(dev->cbdev->cn_queue, &__cbq->work)) - found = 1; + err = 0; } else { - printk("%s: cbq->data=%p, " - "work->pending=%08lx.\n", - __func__, __cbq->ddata, - __cbq->work.pending); - WARN_ON(1); + struct work_struct *w; + struct cn_callback_data *d; + + w = kzalloc(sizeof(*w) + sizeof(*d), GFP_ATOMIC); + if (w) { + d = (struct cn_callback_data *)(w+1); + + d->callback_priv = msg; + d->callback = __cbq->data.callback; + d->ddata = data; + d->destruct_data = destruct_data; + d->free = w; + + INIT_LIST_HEAD(&w->entry); + w->pending = 0; + w->func = &cn_queue_wrapper; + w->data = d; + init_timer(&w->timer); + + if (queue_work(dev->cbdev->cn_queue, w)) + err = 0; + else { + kfree(w); + err = -EINVAL; + } + } else + err = -ENOMEM; } break; } } spin_unlock_bh(&dev->cbdev->queue_lock); - return found ? 0 : -ENODEV; + return err; } /* @@ -291,22 +305,10 @@ int cn_add_callback(struct cb_id *id, char *name, void (*callback)(void *)) { int err; struct cn_dev *dev = &cdev; - struct cn_callback *cb; - - cb = kzalloc(sizeof(*cb), GFP_KERNEL); - if (!cb) - return -ENOMEM; - - scnprintf(cb->name, sizeof(cb->name), "%s", name); - memcpy(&cb->id, id, sizeof(cb->id)); - cb->callback = callback; - - err = cn_queue_add_callback(dev->cbdev, cb); - if (err) { - kfree(cb); + err = cn_queue_add_callback(dev->cbdev, name, id, callback); + if (err) return err; - } cn_notify(id, 0); diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 0ccf85fcee3..a35a58bef1a 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -477,7 +477,7 @@ static struct pcmcia_device_id ide_ids[] = { PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674), PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b), - PCMCIA_DEVICE_PROD_ID12(" ", "NinjaATA-", 0x3b6e20c8, 0xebe0bd79), + PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79), PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591), PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728), PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1), diff --git a/drivers/ieee1394/amdtp.c b/drivers/ieee1394/amdtp.c index 84ae027b021..e8e28569a66 100644 --- a/drivers/ieee1394/amdtp.c +++ b/drivers/ieee1394/amdtp.c @@ -1297,4 +1297,3 @@ static void __exit amdtp_exit_module (void) module_init(amdtp_init_module); module_exit(amdtp_exit_module); -MODULE_ALIAS_CHARDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_AMDTP * 16); diff --git a/drivers/ieee1394/csr1212.h b/drivers/ieee1394/csr1212.h index e6734263a1d..28c5f4b726e 100644 --- a/drivers/ieee1394/csr1212.h +++ b/drivers/ieee1394/csr1212.h @@ -37,7 +37,6 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/interrupt.h> -#include <linux/sched.h> #include <linux/vmalloc.h> #include <asm/pgalloc.h> diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index 4538b0235ca..e34730c7a87 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -2660,4 +2660,3 @@ static int __init dv1394_init_module(void) module_init(dv1394_init_module); module_exit(dv1394_exit_module); -MODULE_ALIAS_CHARDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16); diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index cd53c174ced..4802bbbb6dc 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -89,7 +89,7 @@ #define TRACE() printk(KERN_ERR "%s:%s[%d] ---- TRACE\n", driver_name, __FUNCTION__, __LINE__) static char version[] __devinitdata = - "$Rev: 1264 $ Ben Collins <bcollins@debian.org>"; + "$Rev: 1312 $ Ben Collins <bcollins@debian.org>"; struct fragment_info { struct list_head list; @@ -221,9 +221,7 @@ static int ether1394_open (struct net_device *dev) if (priv->bc_state == ETHER1394_BC_ERROR) { /* we'll try again */ priv->iso = hpsb_iso_recv_init(priv->host, - ETHER1394_GASP_BUFFERS * 2 * - (1 << (priv->host->csr.max_rec + - 1)), + ETHER1394_ISO_BUF_SIZE, ETHER1394_GASP_BUFFERS, priv->broadcast_channel, HPSB_ISO_DMA_PACKET_PER_BUFFER, @@ -635,8 +633,8 @@ static void ether1394_add_host (struct hpsb_host *host) * be checked when the eth device is opened. */ priv->broadcast_channel = host->csr.broadcast_channel & 0x3f; - priv->iso = hpsb_iso_recv_init(host, (ETHER1394_GASP_BUFFERS * 2 * - (1 << (host->csr.max_rec + 1))), + priv->iso = hpsb_iso_recv_init(host, + ETHER1394_ISO_BUF_SIZE, ETHER1394_GASP_BUFFERS, priv->broadcast_channel, HPSB_ISO_DMA_PACKET_PER_BUFFER, @@ -1770,7 +1768,7 @@ fail: static void ether1394_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { strcpy (info->driver, driver_name); - strcpy (info->version, "$Rev: 1264 $"); + strcpy (info->version, "$Rev: 1312 $"); /* FIXME XXX provide sane businfo */ strcpy (info->bus_info, "ieee1394"); } diff --git a/drivers/ieee1394/eth1394.h b/drivers/ieee1394/eth1394.h index ed8f1c4b7fd..a77213cfc48 100644 --- a/drivers/ieee1394/eth1394.h +++ b/drivers/ieee1394/eth1394.h @@ -44,6 +44,12 @@ #define ETHER1394_GASP_BUFFERS 16 +/* rawiso buffer size - due to a limitation in rawiso, we must limit each + * GASP buffer to be less than PAGE_SIZE. */ +#define ETHER1394_ISO_BUF_SIZE ETHER1394_GASP_BUFFERS * \ + min((unsigned int)PAGE_SIZE, \ + 2 * (1U << (priv->host->csr.max_rec + 1))) + /* Node set == 64 */ #define NODE_SET (ALL_NODES + 1) diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index c502c6e9c44..aeeaeb670d0 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/pci.h> #include <linux/timer.h> +#include <linux/jiffies.h> #include "csr1212.h" #include "ieee1394.h" @@ -217,7 +218,7 @@ int hpsb_update_config_rom_image(struct hpsb_host *host) /* IEEE 1394a-2000 prohibits using the same generation number * twice in a 60 second period. */ - if (jiffies - host->csr.gen_timestamp[next_gen] < 60 * HZ) + if (time_before(jiffies, host->csr.gen_timestamp[next_gen] + 60 * HZ)) /* Wait 60 seconds from the last time this generation number was * used. */ reset_delay = (60 * HZ) + host->csr.gen_timestamp[next_gen] - jiffies; diff --git a/drivers/ieee1394/hosts.h b/drivers/ieee1394/hosts.h index 739e76840d5..38f42112dff 100644 --- a/drivers/ieee1394/hosts.h +++ b/drivers/ieee1394/hosts.h @@ -135,17 +135,17 @@ enum isoctl_cmd { enum reset_types { /* 166 microsecond reset -- only type of reset available on - non-1394a capable IEEE 1394 controllers */ + non-1394a capable controllers */ LONG_RESET, /* Short (arbitrated) reset -- only available on 1394a capable - IEEE 1394 capable controllers */ + controllers */ SHORT_RESET, - /* Variants, that set force_root before issueing the bus reset */ + /* Variants that set force_root before issueing the bus reset */ LONG_RESET_FORCE_ROOT, SHORT_RESET_FORCE_ROOT, - /* Variants, that clear force_root before issueing the bus reset */ + /* Variants that clear force_root before issueing the bus reset */ LONG_RESET_NO_FORCE_ROOT, SHORT_RESET_NO_FORCE_ROOT }; diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c index d633770fac8..32a1e016c85 100644 --- a/drivers/ieee1394/ieee1394_core.c +++ b/drivers/ieee1394/ieee1394_core.c @@ -70,7 +70,7 @@ const char *hpsb_speedto_str[] = { "S100", "S200", "S400", "S800", "S1600", "S32 struct class *hpsb_protocol_class; #ifdef CONFIG_IEEE1394_VERBOSEDEBUG -static void dump_packet(const char *text, quadlet_t *data, int size) +static void dump_packet(const char *text, quadlet_t *data, int size, int speed) { int i; @@ -78,12 +78,15 @@ static void dump_packet(const char *text, quadlet_t *data, int size) size = (size > 4 ? 4 : size); printk(KERN_DEBUG "ieee1394: %s", text); + if (speed > -1 && speed < 6) + printk(" at %s", hpsb_speedto_str[speed]); + printk(":"); for (i = 0; i < size; i++) printk(" %08x", data[i]); printk("\n"); } #else -#define dump_packet(x,y,z) +#define dump_packet(a,b,c,d) #endif static void abort_requests(struct hpsb_host *host); @@ -544,8 +547,7 @@ int hpsb_send_packet(struct hpsb_packet *packet) if (packet->data_size) memcpy(((u8*)data) + packet->header_size, packet->data, packet->data_size); - dump_packet("send packet local:", packet->header, - packet->header_size); + dump_packet("send packet local", packet->header, packet->header_size, -1); hpsb_packet_sent(host, packet, packet->expect_response ? ACK_PENDING : ACK_COMPLETE); hpsb_packet_received(host, data, size, 0); @@ -561,21 +563,7 @@ int hpsb_send_packet(struct hpsb_packet *packet) + NODEID_TO_NODE(packet->node_id)]; } -#ifdef CONFIG_IEEE1394_VERBOSEDEBUG - switch (packet->speed_code) { - case 2: - dump_packet("send packet 400:", packet->header, - packet->header_size); - break; - case 1: - dump_packet("send packet 200:", packet->header, - packet->header_size); - break; - default: - dump_packet("send packet 100:", packet->header, - packet->header_size); - } -#endif + dump_packet("send packet", packet->header, packet->header_size, packet->speed_code); return host->driver->transmit_packet(host, packet); } @@ -636,7 +624,7 @@ static void handle_packet_response(struct hpsb_host *host, int tcode, if (packet == NULL) { HPSB_DEBUG("unsolicited response packet received - no tlabel match"); - dump_packet("contents:", data, 16); + dump_packet("contents", data, 16, -1); spin_unlock_irqrestore(&host->pending_packet_queue.lock, flags); return; } @@ -677,7 +665,7 @@ static void handle_packet_response(struct hpsb_host *host, int tcode, if (!tcode_match) { spin_unlock_irqrestore(&host->pending_packet_queue.lock, flags); HPSB_INFO("unsolicited response packet received - tcode mismatch"); - dump_packet("contents:", data, 16); + dump_packet("contents", data, 16, -1); return; } @@ -914,7 +902,7 @@ void hpsb_packet_received(struct hpsb_host *host, quadlet_t *data, size_t size, return; } - dump_packet("received packet:", data, size); + dump_packet("received packet", data, size, -1); tcode = (data[0] >> 4) & 0xf; diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index b23322523ef..347ece6b583 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -64,10 +64,10 @@ static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length, struct nodemgr_csr_info *ci = (struct nodemgr_csr_info*)__ci; int i, ret = 0; - for (i = 0; i < 3; i++) { + for (i = 1; ; i++) { ret = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, buffer, length); - if (!ret) + if (!ret || i == 3) break; if (msleep_interruptible(334)) @@ -1438,9 +1438,13 @@ static int nodemgr_do_irm_duties(struct hpsb_host *host, int cycles) if (host->busmgr_id == 0xffff && host->node_count > 1) { u16 root_node = host->node_count - 1; - struct node_entry *ne = find_entry_by_nodeid(host, root_node | LOCAL_BUS); - if (ne && ne->busopt.cmc) + /* get cycle master capability flag from root node */ + if (host->is_cycmst || + (!hpsb_read(host, LOCAL_BUS | root_node, get_hpsb_generation(host), + (CSR_REGISTER_BASE + CSR_CONFIG_ROM + 2 * sizeof(quadlet_t)), + &bc, sizeof(quadlet_t)) && + be32_to_cpu(bc) & 1 << CSR_CMC_SHIFT)) hpsb_send_phy_config(host, root_node, -1); else { HPSB_DEBUG("The root node is not cycle master capable; " @@ -1557,24 +1561,19 @@ static int nodemgr_host_thread(void *__hi) } } - if (!nodemgr_check_irm_capability(host, reset_cycles)) { + if (!nodemgr_check_irm_capability(host, reset_cycles) || + !nodemgr_do_irm_duties(host, reset_cycles)) { reset_cycles++; up(&nodemgr_serialize); continue; } + reset_cycles = 0; /* Scan our nodes to get the bus options and create node * entries. This does not do the sysfs stuff, since that * would trigger hotplug callbacks and such, which is a * bad idea at this point. */ nodemgr_node_scan(hi, generation); - if (!nodemgr_do_irm_duties(host, reset_cycles)) { - reset_cycles++; - up(&nodemgr_serialize); - continue; - } - - reset_cycles = 0; /* This actually does the full probe, with sysfs * registration. */ diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index 27018c8efc2..6a6acbd80af 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c @@ -162,7 +162,7 @@ printk(level "%s: " fmt "\n" , OHCI1394_DRIVER_NAME , ## args) printk(level "%s: fw-host%d: " fmt "\n" , OHCI1394_DRIVER_NAME, ohci->host->id , ## args) static char version[] __devinitdata = - "$Rev: 1299 $ Ben Collins <bcollins@debian.org>"; + "$Rev: 1313 $ Ben Collins <bcollins@debian.org>"; /* Module Parameters */ static int phys_dma = 1; @@ -1084,7 +1084,7 @@ static int ohci_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg) initialize_dma_rcv_ctx(&ohci->ir_legacy_context, 1); if (printk_ratelimit()) - PRINT(KERN_ERR, "IR legacy activated"); + DBGMSG("IR legacy activated"); } spin_lock_irqsave(&ohci->IR_channel_lock, flags); diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index b4fa14793fe..5fe4f2ba097 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -2958,4 +2958,3 @@ static void __exit cleanup_raw1394(void) module_init(init_raw1394); module_exit(cleanup_raw1394); MODULE_LICENSE("GPL"); -MODULE_ALIAS_CHARDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16); diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index de88218ef7c..12cec7c4a34 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -97,16 +97,18 @@ static char version[] __devinitdata = */ static int max_speed = IEEE1394_SPEED_MAX; module_param(max_speed, int, 0644); -MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb default, 1 = 200mb, 0 = 100mb)"); +MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb, 1 = 200mb, 0 = 100mb)"); /* * Set serialize_io to 1 if you'd like only one scsi command sent * down to us at a time (debugging). This might be necessary for very * badly behaved sbp2 devices. + * + * TODO: Make this configurable per device. */ -static int serialize_io; +static int serialize_io = 1; module_param(serialize_io, int, 0444); -MODULE_PARM_DESC(serialize_io, "Serialize all I/O coming down from the scsi drivers (default = 0)"); +MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default = 1, faster = 0)"); /* * Bump up max_sectors if you'd like to support very large sized @@ -596,6 +598,14 @@ static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_i spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); } +/* + * Is scsi_id valid? Is the 1394 node still present? + */ +static inline int sbp2util_node_is_available(struct scsi_id_instance_data *scsi_id) +{ + return scsi_id && scsi_id->ne && !scsi_id->ne->in_limbo; +} + /********************************************* @@ -631,11 +641,23 @@ static int sbp2_remove(struct device *dev) { struct unit_directory *ud; struct scsi_id_instance_data *scsi_id; + struct scsi_device *sdev; SBP2_DEBUG("sbp2_remove"); ud = container_of(dev, struct unit_directory, device); scsi_id = ud->device.driver_data; + if (!scsi_id) + return 0; + + /* Trigger shutdown functions in scsi's highlevel. */ + if (scsi_id->scsi_host) + scsi_unblock_requests(scsi_id->scsi_host); + sdev = scsi_id->sdev; + if (sdev) { + scsi_id->sdev = NULL; + scsi_remove_device(sdev); + } sbp2_logout_device(scsi_id); sbp2_remove_device(scsi_id); @@ -2473,37 +2495,26 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, struct scsi_id_instance_data *scsi_id = (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; struct sbp2scsi_host_info *hi; + int result = DID_NO_CONNECT << 16; SBP2_DEBUG("sbp2scsi_queuecommand"); - /* - * If scsi_id is null, it means there is no device in this slot, - * so we should return selection timeout. - */ - if (!scsi_id) { - SCpnt->result = DID_NO_CONNECT << 16; - done (SCpnt); - return 0; - } + if (!sbp2util_node_is_available(scsi_id)) + goto done; hi = scsi_id->hi; if (!hi) { SBP2_ERR("sbp2scsi_host_info is NULL - this is bad!"); - SCpnt->result = DID_NO_CONNECT << 16; - done (SCpnt); - return(0); + goto done; } /* * Until we handle multiple luns, just return selection time-out * to any IO directed at non-zero LUNs */ - if (SCpnt->device->lun) { - SCpnt->result = DID_NO_CONNECT << 16; - done (SCpnt); - return(0); - } + if (SCpnt->device->lun) + goto done; /* * Check for request sense command, and handle it here @@ -2514,7 +2525,7 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, memcpy(SCpnt->request_buffer, SCpnt->sense_buffer, SCpnt->request_bufflen); memset(SCpnt->sense_buffer, 0, sizeof(SCpnt->sense_buffer)); sbp2scsi_complete_command(scsi_id, SBP2_SCSI_STATUS_GOOD, SCpnt, done); - return(0); + return 0; } /* @@ -2522,9 +2533,8 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, */ if (!hpsb_node_entry_valid(scsi_id->ne)) { SBP2_ERR("Bus reset in progress - rejecting command"); - SCpnt->result = DID_BUS_BUSY << 16; - done (SCpnt); - return(0); + result = DID_BUS_BUSY << 16; + goto done; } /* @@ -2535,8 +2545,12 @@ static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, sbp2scsi_complete_command(scsi_id, SBP2_SCSI_STATUS_SELECTION_TIMEOUT, SCpnt, done); } + return 0; - return(0); +done: + SCpnt->result = result; + done(SCpnt); + return 0; } /* @@ -2683,14 +2697,27 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, } -static int sbp2scsi_slave_configure (struct scsi_device *sdev) +static int sbp2scsi_slave_alloc(struct scsi_device *sdev) { - blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); + ((struct scsi_id_instance_data *)sdev->host->hostdata[0])->sdev = sdev; + return 0; +} + +static int sbp2scsi_slave_configure(struct scsi_device *sdev) +{ + blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); return 0; } +static void sbp2scsi_slave_destroy(struct scsi_device *sdev) +{ + ((struct scsi_id_instance_data *)sdev->host->hostdata[0])->sdev = NULL; + return; +} + + /* * Called by scsi stack when something has really gone wrong. Usually * called when a command has timed-out for some reason. @@ -2705,7 +2732,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) SBP2_ERR("aborting sbp2 command"); scsi_print_command(SCpnt); - if (scsi_id) { + if (sbp2util_node_is_available(scsi_id)) { /* * Right now, just return any matching command structures @@ -2742,31 +2769,24 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) /* * Called by scsi stack when something has really gone wrong. */ -static int __sbp2scsi_reset(struct scsi_cmnd *SCpnt) +static int sbp2scsi_reset(struct scsi_cmnd *SCpnt) { struct scsi_id_instance_data *scsi_id = (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; + unsigned long flags; SBP2_ERR("reset requested"); - if (scsi_id) { + spin_lock_irqsave(SCpnt->device->host->host_lock, flags); + + if (sbp2util_node_is_available(scsi_id)) { SBP2_ERR("Generating sbp2 fetch agent reset"); sbp2_agent_reset(scsi_id, 0); } - return(SUCCESS); -} - -static int sbp2scsi_reset(struct scsi_cmnd *SCpnt) -{ - unsigned long flags; - int rc; - - spin_lock_irqsave(SCpnt->device->host->host_lock, flags); - rc = __sbp2scsi_reset(SCpnt); spin_unlock_irqrestore(SCpnt->device->host->host_lock, flags); - return rc; + return SUCCESS; } static const char *sbp2scsi_info (struct Scsi_Host *host) @@ -2817,7 +2837,9 @@ static struct scsi_host_template scsi_driver_template = { .eh_device_reset_handler = sbp2scsi_reset, .eh_bus_reset_handler = sbp2scsi_reset, .eh_host_reset_handler = sbp2scsi_reset, + .slave_alloc = sbp2scsi_slave_alloc, .slave_configure = sbp2scsi_slave_configure, + .slave_destroy = sbp2scsi_slave_destroy, .this_id = -1, .sg_tablesize = SG_ALL, .use_clustering = ENABLE_CLUSTERING, @@ -2837,7 +2859,8 @@ static int sbp2_module_init(void) /* Module load debug option to force one command at a time (serializing I/O) */ if (serialize_io) { - SBP2_ERR("Driver forced to serialize I/O (serialize_io = 1)"); + SBP2_INFO("Driver forced to serialize I/O (serialize_io=1)"); + SBP2_INFO("Try serialize_io=0 for better performance"); scsi_driver_template.can_queue = 1; scsi_driver_template.cmd_per_lun = 1; } diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index 9d6facf2f78..11be9c9c82a 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c @@ -1571,4 +1571,3 @@ static int __init video1394_init_module (void) module_init(video1394_init_module); module_exit(video1394_exit_module); -MODULE_ALIAS_CHARDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_VIDEO1394 * 16); diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index b1897bed14a..cc124344dd2 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -69,6 +69,7 @@ struct ib_uverbs_event_file { struct ib_uverbs_file { struct kref ref; + struct semaphore mutex; struct ib_uverbs_device *device; struct ib_ucontext *ucontext; struct ib_event_handler event_handler; diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index e91ebde4648..562445165d2 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -76,8 +76,9 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file, struct ib_uverbs_get_context_resp resp; struct ib_udata udata; struct ib_device *ibdev = file->device->ib_dev; + struct ib_ucontext *ucontext; int i; - int ret = in_len; + int ret; if (out_len < sizeof resp) return -ENOSPC; @@ -85,45 +86,56 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; + down(&file->mutex); + + if (file->ucontext) { + ret = -EINVAL; + goto err; + } + INIT_UDATA(&udata, buf + sizeof cmd, (unsigned long) cmd.response + sizeof resp, in_len - sizeof cmd, out_len - sizeof resp); - file->ucontext = ibdev->alloc_ucontext(ibdev, &udata); - if (IS_ERR(file->ucontext)) { - ret = PTR_ERR(file->ucontext); - file->ucontext = NULL; - return ret; - } + ucontext = ibdev->alloc_ucontext(ibdev, &udata); + if (IS_ERR(ucontext)) + return PTR_ERR(file->ucontext); - file->ucontext->device = ibdev; - INIT_LIST_HEAD(&file->ucontext->pd_list); - INIT_LIST_HEAD(&file->ucontext->mr_list); - INIT_LIST_HEAD(&file->ucontext->mw_list); - INIT_LIST_HEAD(&file->ucontext->cq_list); - INIT_LIST_HEAD(&file->ucontext->qp_list); - INIT_LIST_HEAD(&file->ucontext->srq_list); - INIT_LIST_HEAD(&file->ucontext->ah_list); - spin_lock_init(&file->ucontext->lock); + ucontext->device = ibdev; + INIT_LIST_HEAD(&ucontext->pd_list); + INIT_LIST_HEAD(&ucontext->mr_list); + INIT_LIST_HEAD(&ucontext->mw_list); + INIT_LIST_HEAD(&ucontext->cq_list); + INIT_LIST_HEAD(&ucontext->qp_list); + INIT_LIST_HEAD(&ucontext->srq_list); + INIT_LIST_HEAD(&ucontext->ah_list); resp.async_fd = file->async_file.fd; for (i = 0; i < file->device->num_comp; ++i) if (copy_to_user((void __user *) (unsigned long) cmd.cq_fd_tab + i * sizeof (__u32), - &file->comp_file[i].fd, sizeof (__u32))) - goto err; + &file->comp_file[i].fd, sizeof (__u32))) { + ret = -EFAULT; + goto err_free; + } if (copy_to_user((void __user *) (unsigned long) cmd.response, - &resp, sizeof resp)) - goto err; + &resp, sizeof resp)) { + ret = -EFAULT; + goto err_free; + } + + file->ucontext = ucontext; + up(&file->mutex); return in_len; -err: - ibdev->dealloc_ucontext(file->ucontext); - file->ucontext = NULL; +err_free: + ibdev->dealloc_ucontext(ucontext); - return -EFAULT; +err: + up(&file->mutex); + return ret; } ssize_t ib_uverbs_query_device(struct ib_uverbs_file *file, @@ -352,9 +364,9 @@ retry: if (ret) goto err_pd; - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_add_tail(&uobj->list, &file->ucontext->pd_list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); memset(&resp, 0, sizeof resp); resp.pd_handle = uobj->id; @@ -368,9 +380,9 @@ retry: return in_len; err_list: - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_del(&uobj->list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); down(&ib_uverbs_idr_mutex); idr_remove(&ib_uverbs_pd_idr, uobj->id); @@ -410,9 +422,9 @@ ssize_t ib_uverbs_dealloc_pd(struct ib_uverbs_file *file, idr_remove(&ib_uverbs_pd_idr, cmd.pd_handle); - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_del(&uobj->list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); kfree(uobj); @@ -512,9 +524,9 @@ retry: resp.mr_handle = obj->uobject.id; - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_add_tail(&obj->uobject.list, &file->ucontext->mr_list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) { @@ -527,9 +539,9 @@ retry: return in_len; err_list: - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_del(&obj->uobject.list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); err_unreg: ib_dereg_mr(mr); @@ -570,9 +582,9 @@ ssize_t ib_uverbs_dereg_mr(struct ib_uverbs_file *file, idr_remove(&ib_uverbs_mr_idr, cmd.mr_handle); - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_del(&memobj->uobject.list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); ib_umem_release(file->device->ib_dev, &memobj->umem); kfree(memobj); @@ -647,9 +659,9 @@ retry: if (ret) goto err_cq; - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_add_tail(&uobj->uobject.list, &file->ucontext->cq_list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); memset(&resp, 0, sizeof resp); resp.cq_handle = uobj->uobject.id; @@ -664,9 +676,9 @@ retry: return in_len; err_list: - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_del(&uobj->uobject.list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); down(&ib_uverbs_idr_mutex); idr_remove(&ib_uverbs_cq_idr, uobj->uobject.id); @@ -712,9 +724,9 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file, idr_remove(&ib_uverbs_cq_idr, cmd.cq_handle); - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_del(&uobj->uobject.list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); spin_lock_irq(&file->comp_file[0].lock); list_for_each_entry_safe(evt, tmp, &uobj->comp_list, obj_list) { @@ -847,9 +859,9 @@ retry: resp.qp_handle = uobj->uobject.id; - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_add_tail(&uobj->uobject.list, &file->ucontext->qp_list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) { @@ -862,9 +874,9 @@ retry: return in_len; err_list: - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_del(&uobj->uobject.list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); err_destroy: ib_destroy_qp(qp); @@ -989,9 +1001,9 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file, idr_remove(&ib_uverbs_qp_idr, cmd.qp_handle); - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_del(&uobj->uobject.list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); spin_lock_irq(&file->async_file.lock); list_for_each_entry_safe(evt, tmp, &uobj->event_list, obj_list) { @@ -1136,9 +1148,9 @@ retry: resp.srq_handle = uobj->uobject.id; - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_add_tail(&uobj->uobject.list, &file->ucontext->srq_list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) { @@ -1151,9 +1163,9 @@ retry: return in_len; err_list: - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_del(&uobj->uobject.list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); err_destroy: ib_destroy_srq(srq); @@ -1227,9 +1239,9 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file, idr_remove(&ib_uverbs_srq_idr, cmd.srq_handle); - spin_lock_irq(&file->ucontext->lock); + down(&file->mutex); list_del(&uobj->uobject.list); - spin_unlock_irq(&file->ucontext->lock); + up(&file->mutex); spin_lock_irq(&file->async_file.lock); list_for_each_entry_safe(evt, tmp, &uobj->event_list, obj_list) { diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index ce5bdb7af30..12511808de2 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -448,7 +448,9 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, if (hdr.in_words * 4 != count) return -EINVAL; - if (hdr.command < 0 || hdr.command >= ARRAY_SIZE(uverbs_cmd_table)) + if (hdr.command < 0 || + hdr.command >= ARRAY_SIZE(uverbs_cmd_table) || + !uverbs_cmd_table[hdr.command]) return -EINVAL; if (!file->ucontext && @@ -484,27 +486,29 @@ static int ib_uverbs_open(struct inode *inode, struct file *filp) file = kmalloc(sizeof *file + (dev->num_comp - 1) * sizeof (struct ib_uverbs_event_file), GFP_KERNEL); - if (!file) - return -ENOMEM; + if (!file) { + ret = -ENOMEM; + goto err; + } file->device = dev; kref_init(&file->ref); + init_MUTEX(&file->mutex); file->ucontext = NULL; + kref_get(&file->ref); ret = ib_uverbs_event_init(&file->async_file, file); if (ret) - goto err; + goto err_kref; file->async_file.is_async = 1; - kref_get(&file->ref); - for (i = 0; i < dev->num_comp; ++i) { + kref_get(&file->ref); ret = ib_uverbs_event_init(&file->comp_file[i], file); if (ret) goto err_async; - kref_get(&file->ref); file->comp_file[i].is_async = 0; } @@ -524,9 +528,16 @@ err_async: ib_uverbs_event_release(&file->async_file); -err: +err_kref: + /* + * One extra kref_put() because we took a reference before the + * event file creation that failed and got us here. + */ + kref_put(&file->ref, ib_uverbs_release_file); kref_put(&file->ref, ib_uverbs_release_file); +err: + module_put(dev->ib_dev->owner); return ret; } diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index cc758a2d2bc..f6a8ac02655 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -605,7 +605,7 @@ static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm, err = -EINVAL; goto out; } - for (i = 0; i < mthca_icm_size(&iter) / (1 << lg); ++i, ++nent) { + for (i = 0; i < mthca_icm_size(&iter) / (1 << lg); ++i) { if (virt != -1) { pages[nent * 2] = cpu_to_be64(virt); virt += 1 << lg; @@ -616,7 +616,7 @@ static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm, ts += 1 << (lg - 10); ++tc; - if (nent == MTHCA_MAILBOX_SIZE / 16) { + if (++nent == MTHCA_MAILBOX_SIZE / 16) { err = mthca_cmd(dev, mailbox->dma, nent, 0, op, CMD_TIME_CLASS_B, status); if (err || *status) diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c index 78152a8ad17..c81fa8e975e 100644 --- a/drivers/infiniband/hw/mthca/mthca_eq.c +++ b/drivers/infiniband/hw/mthca/mthca_eq.c @@ -836,7 +836,7 @@ int __devinit mthca_init_eq_table(struct mthca_dev *dev) dev->eq_table.clr_mask = swab32(1 << (dev->eq_table.inta_pin & 31)); dev->eq_table.clr_int = dev->clr_base + - (dev->eq_table.inta_pin < 31 ? 4 : 0); + (dev->eq_table.inta_pin < 32 ? 4 : 0); } dev->eq_table.arm_mask = 0; diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c index 1827400f189..7bd7a4bec7b 100644 --- a/drivers/infiniband/hw/mthca/mthca_memfree.c +++ b/drivers/infiniband/hw/mthca/mthca_memfree.c @@ -290,7 +290,7 @@ struct mthca_icm_table *mthca_alloc_icm_table(struct mthca_dev *dev, int i; u8 status; - num_icm = obj_size * nobj / MTHCA_TABLE_CHUNK_SIZE; + num_icm = (obj_size * nobj + MTHCA_TABLE_CHUNK_SIZE - 1) / MTHCA_TABLE_CHUNK_SIZE; table = kmalloc(sizeof *table + num_icm * sizeof *table->icm, GFP_KERNEL); if (!table) @@ -529,12 +529,25 @@ int mthca_alloc_db(struct mthca_dev *dev, int type, u32 qn, __be32 **db) goto found; } + for (i = start; i != end; i += dir) + if (!dev->db_tab->page[i].db_rec) { + page = dev->db_tab->page + i; + goto alloc; + } + if (dev->db_tab->max_group1 >= dev->db_tab->min_group2 - 1) { ret = -ENOMEM; goto out; } + if (group == 0) + ++dev->db_tab->max_group1; + else + --dev->db_tab->min_group2; + page = dev->db_tab->page + end; + +alloc: page->db_rec = dma_alloc_coherent(&dev->pdev->dev, 4096, &page->mapping, GFP_KERNEL); if (!page->db_rec) { @@ -554,10 +567,6 @@ int mthca_alloc_db(struct mthca_dev *dev, int type, u32 qn, __be32 **db) } bitmap_zero(page->used, MTHCA_DB_REC_PER_PAGE); - if (group == 0) - ++dev->db_tab->max_group1; - else - --dev->db_tab->min_group2; found: j = find_first_zero_bit(page->used, MTHCA_DB_REC_PER_PAGE); diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 1c1c2e23087..3f5319a4657 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -84,7 +84,7 @@ static int mthca_query_device(struct ib_device *ibdev, props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & 0xffffff; props->vendor_part_id = be16_to_cpup((__be16 *) (out_mad->data + 30)); - props->hw_ver = be16_to_cpup((__be16 *) (out_mad->data + 32)); + props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32)); memcpy(&props->sys_image_guid, out_mad->data + 4, 8); memcpy(&props->node_guid, out_mad->data + 12, 8); diff --git a/drivers/input/input.c b/drivers/input/input.c index 88636a20452..14ae5583e19 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -308,6 +308,7 @@ static struct input_device_id *input_match_device(struct input_device_id *id, st MATCH_BIT(ledbit, LED_MAX); MATCH_BIT(sndbit, SND_MAX); MATCH_BIT(ffbit, FF_MAX); + MATCH_BIT(swbit, SW_MAX); return id; } diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c index e1f0d87de0e..0b0ea26023e 100644 --- a/drivers/isdn/divert/divert_procfs.c +++ b/drivers/isdn/divert/divert_procfs.c @@ -287,12 +287,12 @@ divert_dev_init(void) init_waitqueue_head(&rd_queue); #ifdef CONFIG_PROC_FS - isdn_proc_entry = create_proc_entry("isdn", S_IFDIR | S_IRUGO | S_IXUGO, proc_net); + isdn_proc_entry = proc_mkdir("net/isdn", NULL); if (!isdn_proc_entry) return (-1); isdn_divert_entry = create_proc_entry("divert", S_IFREG | S_IRUGO, isdn_proc_entry); if (!isdn_divert_entry) { - remove_proc_entry("isdn", proc_net); + remove_proc_entry("net/isdn", NULL); return (-1); } isdn_divert_entry->proc_fops = &isdn_fops; @@ -312,7 +312,7 @@ divert_dev_deinit(void) #ifdef CONFIG_PROC_FS remove_proc_entry("divert", isdn_proc_entry); - remove_proc_entry("isdn", proc_net); + remove_proc_entry("net/isdn", NULL); #endif /* CONFIG_PROC_FS */ return (0); diff --git a/drivers/isdn/hardware/eicon/diva_didd.c b/drivers/isdn/hardware/eicon/diva_didd.c index 7fdf8ae5be5..27204f4b111 100644 --- a/drivers/isdn/hardware/eicon/diva_didd.c +++ b/drivers/isdn/hardware/eicon/diva_didd.c @@ -30,8 +30,6 @@ static char *DRIVERNAME = static char *DRIVERLNAME = "divadidd"; char *DRIVERRELEASE_DIDD = "2.0"; -static char *main_proc_dir = "eicon"; - MODULE_DESCRIPTION("DIDD table driver for diva drivers"); MODULE_AUTHOR("Cytronics & Melware, Eicon Networks"); MODULE_SUPPORTED_DEVICE("Eicon diva drivers"); @@ -89,7 +87,7 @@ proc_read(char *page, char **start, off_t off, int count, int *eof, static int DIVA_INIT_FUNCTION create_proc(void) { - proc_net_eicon = create_proc_entry(main_proc_dir, S_IFDIR, proc_net); + proc_net_eicon = proc_mkdir("net/eicon", NULL); if (proc_net_eicon) { if ((proc_didd = @@ -105,7 +103,7 @@ static int DIVA_INIT_FUNCTION create_proc(void) static void DIVA_EXIT_FUNCTION remove_proc(void) { remove_proc_entry(DRIVERLNAME, proc_net_eicon); - remove_proc_entry(main_proc_dir, proc_net); + remove_proc_entry("net/eicon", NULL); } static int DIVA_INIT_FUNCTION divadidd_init(void) diff --git a/drivers/isdn/hardware/eicon/divasproc.c b/drivers/isdn/hardware/eicon/divasproc.c index b6435589d45..c12efa6f842 100644 --- a/drivers/isdn/hardware/eicon/divasproc.c +++ b/drivers/isdn/hardware/eicon/divasproc.c @@ -381,7 +381,7 @@ int create_adapter_proc(diva_os_xdi_adapter_t * a) char tmp[16]; sprintf(tmp, "%s%d", adapter_dir_name, a->controller); - if (!(de = create_proc_entry(tmp, S_IFDIR, proc_net_eicon))) + if (!(de = proc_mkdir(tmp, proc_net_eicon))) return (0); a->proc_adapter_dir = (void *) de; diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c index 5da507e532f..639582f61f4 100644 --- a/drivers/isdn/hysdn/hysdn_procconf.c +++ b/drivers/isdn/hysdn/hysdn_procconf.c @@ -394,7 +394,7 @@ hysdn_procconf_init(void) hysdn_card *card; uchar conf_name[20]; - hysdn_proc_entry = create_proc_entry(PROC_SUBDIR_NAME, S_IFDIR | S_IRUGO | S_IXUGO, proc_net); + hysdn_proc_entry = proc_mkdir(PROC_SUBDIR_NAME, proc_net); if (!hysdn_proc_entry) { printk(KERN_ERR "HYSDN: unable to create hysdn subdir\n"); return (-1); diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index a85ac18dd21..9b38674fbf7 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -153,8 +153,10 @@ static irqreturn_t smu_db_intr(int irq, void *arg, struct pt_regs *regs) spin_lock_irqsave(&smu->lock, flags); gpio = pmac_do_feature_call(PMAC_FTR_READ_GPIO, NULL, smu->doorbell); - if ((gpio & 7) != 7) + if ((gpio & 7) != 7) { + spin_unlock_irqrestore(&smu->lock, flags); return IRQ_HANDLED; + } cmd = smu->cmd_cur; smu->cmd_cur = NULL; diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 200a0688f71..54ec737195e 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -230,11 +230,20 @@ static int dm_hash_insert(const char *name, const char *uuid, struct mapped_devi static void __hash_remove(struct hash_cell *hc) { + struct dm_table *table; + /* remove from the dev hash */ list_del(&hc->uuid_list); list_del(&hc->name_list); unregister_with_devfs(hc); dm_set_mdptr(hc->md, NULL); + + table = dm_get_table(hc->md); + if (table) { + dm_table_event(table); + dm_table_put(table); + } + dm_put(hc->md); if (hc->new_map) dm_table_put(hc->new_map); diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 785806bdb24..f9b7b32d5d5 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -329,13 +329,17 @@ static int map_io(struct multipath *m, struct bio *bio, struct mpath_io *mpio, /* * If we run out of usable paths, should we queue I/O or error it? */ -static int queue_if_no_path(struct multipath *m, unsigned queue_if_no_path) +static int queue_if_no_path(struct multipath *m, unsigned queue_if_no_path, + unsigned save_old_value) { unsigned long flags; spin_lock_irqsave(&m->lock, flags); - m->saved_queue_if_no_path = m->queue_if_no_path; + if (save_old_value) + m->saved_queue_if_no_path = m->queue_if_no_path; + else + m->saved_queue_if_no_path = queue_if_no_path; m->queue_if_no_path = queue_if_no_path; if (!m->queue_if_no_path && m->queue_size) queue_work(kmultipathd, &m->process_queued_ios); @@ -677,7 +681,7 @@ static int parse_features(struct arg_set *as, struct multipath *m, return 0; if (!strnicmp(shift(as), MESG_STR("queue_if_no_path"))) - return queue_if_no_path(m, 1); + return queue_if_no_path(m, 1, 0); else { ti->error = "Unrecognised multipath feature request"; return -EINVAL; @@ -1077,7 +1081,7 @@ static void multipath_presuspend(struct dm_target *ti) { struct multipath *m = (struct multipath *) ti->private; - queue_if_no_path(m, 0); + queue_if_no_path(m, 0, 1); } /* @@ -1222,9 +1226,9 @@ static int multipath_message(struct dm_target *ti, unsigned argc, char **argv) if (argc == 1) { if (!strnicmp(argv[0], MESG_STR("queue_if_no_path"))) - return queue_if_no_path(m, 1); + return queue_if_no_path(m, 1, 0); else if (!strnicmp(argv[0], MESG_STR("fail_if_no_path"))) - return queue_if_no_path(m, 0); + return queue_if_no_path(m, 0, 0); } if (argc != 2) diff --git a/drivers/media/dvb/frontends/tda10021.c b/drivers/media/dvb/frontends/tda10021.c index 87d5f4d8790..eaf130e666d 100644 --- a/drivers/media/dvb/frontends/tda10021.c +++ b/drivers/media/dvb/frontends/tda10021.c @@ -100,8 +100,8 @@ static u8 tda10021_readreg (struct tda10021_state* state, u8 reg) ret = i2c_transfer (state->i2c, msg, 2); if (ret != 2) - printk("DVB: TDA10021(%d): %s: readreg error (ret == %i)\n", - state->frontend.dvb->num, __FUNCTION__, ret); + printk("DVB: TDA10021: %s: readreg error (ret == %i)\n", + __FUNCTION__, ret); return b1[0]; } diff --git a/drivers/media/video/bttv-cards.c b/drivers/media/video/bttv-cards.c index 190977a1e54..6c332800d6a 100644 --- a/drivers/media/video/bttv-cards.c +++ b/drivers/media/video/bttv-cards.c @@ -2398,7 +2398,7 @@ struct tvcard bttv_tvcards[] = { .svhs = 2, .muxsel = { 2, 3 }, .gpiomask = 0x00e00007, - .audiomux = { 0x00400005, 0, 0, 0, 0, 0 }, + .audiomux = { 0x00400005, 0, 0x00000001, 0, 0x00c00007, 0 }, .no_msp34xx = 1, .no_tda9875 = 1, .no_tda7432 = 1, diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c index 8c08b7f1ad2..b7ec9bf4508 100644 --- a/drivers/media/video/cpia.c +++ b/drivers/media/video/cpia.c @@ -1397,7 +1397,7 @@ static void destroy_proc_cpia_cam(struct cam_data *cam) static void proc_cpia_create(void) { - cpia_proc_root = create_proc_entry("cpia", S_IFDIR, NULL); + cpia_proc_root = proc_mkdir("cpia", NULL); if (cpia_proc_root) cpia_proc_root->owner = THIS_MODULE; diff --git a/drivers/media/video/rds.h b/drivers/media/video/rds.h index 30337d0f1a8..0d30eb744e6 100644 --- a/drivers/media/video/rds.h +++ b/drivers/media/video/rds.h @@ -31,7 +31,7 @@ struct rds_command { unsigned int block_count; int result; - unsigned char *buffer; + unsigned char __user *buffer; struct file *instance; poll_table *event_list; }; diff --git a/drivers/media/video/saa6588.c b/drivers/media/video/saa6588.c index 1a657a70ff4..72b70eb5da1 100644 --- a/drivers/media/video/saa6588.c +++ b/drivers/media/video/saa6588.c @@ -157,7 +157,7 @@ static struct i2c_client client_template; /* ---------------------------------------------------------------------- */ -static int block_to_user_buf(struct saa6588 *s, unsigned char *user_buf) +static int block_to_user_buf(struct saa6588 *s, unsigned char __user *user_buf) { int i; @@ -191,7 +191,7 @@ static void read_from_buf(struct saa6588 *s, struct rds_command *a) { unsigned long flags; - unsigned char *buf_ptr = a->buffer; /* This is a user space buffer! */ + unsigned char __user *buf_ptr = a->buffer; unsigned int i; unsigned int rd_blocks; diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c index a851d65c7cf..a260f83bcb0 100644 --- a/drivers/mfd/ucb1x00-ts.c +++ b/drivers/mfd/ucb1x00-ts.c @@ -48,8 +48,8 @@ struct ucb1x00_ts { u16 x_res; u16 y_res; - int restart:1; - int adcsync:1; + unsigned int restart:1; + unsigned int adcsync:1; }; static int adcsync; diff --git a/drivers/mtd/maps/bast-flash.c b/drivers/mtd/maps/bast-flash.c index 0c45464e3f7..0ba0ff7d43b 100644 --- a/drivers/mtd/maps/bast-flash.c +++ b/drivers/mtd/maps/bast-flash.c @@ -39,7 +39,6 @@ #include <linux/mtd/partitions.h> #include <asm/io.h> -#include <asm/mach-types.h> #include <asm/mach/flash.h> #include <asm/arch/map.h> diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c index 3e94b616743..a9f86c7fbd5 100644 --- a/drivers/mtd/maps/ixp2000.c +++ b/drivers/mtd/maps/ixp2000.c @@ -30,7 +30,6 @@ #include <asm/io.h> #include <asm/hardware.h> -#include <asm/mach-types.h> #include <asm/mach/flash.h> #include <linux/reboot.h> diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c index 5afe660aa2c..3fcc3288407 100644 --- a/drivers/mtd/maps/ixp4xx.c +++ b/drivers/mtd/maps/ixp4xx.c @@ -26,7 +26,6 @@ #include <linux/ioport.h> #include <linux/device.h> #include <asm/io.h> -#include <asm/mach-types.h> #include <asm/mach/flash.h> #include <linux/reboot.h> @@ -254,6 +253,6 @@ module_init(ixp4xx_flash_init); module_exit(ixp4xx_flash_exit); MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("MTD map driver for Intel IXP4xx systems") +MODULE_DESCRIPTION("MTD map driver for Intel IXP4xx systems"); MODULE_AUTHOR("Deepak Saxena"); diff --git a/drivers/mtd/maps/omap_nor.c b/drivers/mtd/maps/omap_nor.c index 8cc71409a32..b17bca657da 100644 --- a/drivers/mtd/maps/omap_nor.c +++ b/drivers/mtd/maps/omap_nor.c @@ -42,7 +42,6 @@ #include <asm/io.h> #include <asm/hardware.h> -#include <asm/mach-types.h> #include <asm/mach/flash.h> #include <asm/arch/tc.h> diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c index 52385705da0..8dcaa357b4b 100644 --- a/drivers/mtd/maps/sa1100-flash.c +++ b/drivers/mtd/maps/sa1100-flash.c @@ -21,7 +21,6 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/concat.h> -#include <asm/mach-types.h> #include <asm/io.h> #include <asm/sizes.h> #include <asm/mach/flash.h> diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c index 891e3a1b911..b47ebcb31e0 100644 --- a/drivers/mtd/nand/s3c2410.c +++ b/drivers/mtd/nand/s3c2410.c @@ -58,7 +58,6 @@ #include <linux/mtd/partitions.h> #include <asm/io.h> -#include <asm/mach-types.h> #include <asm/hardware/clock.h> #include <asm/arch/regs-nand.h> diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 96f14ab1c1f..2a908c4690a 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -548,6 +548,14 @@ config SUNGEM Support for the Sun GEM chip, aka Sun GigabitEthernet/P 2.0. See also <http://www.sun.com/products-n-solutions/hardware/docs/pdf/806-3985-10.pdf>. +config CASSINI + tristate "Sun Cassini support" + depends on NET_ETHERNET && PCI + select CRC32 + help + Support for the Sun Cassini chip, aka Sun GigaSwift Ethernet. See also + <http://www.sun.com/products-n-solutions/hardware/docs/pdf/817-4341-10.pdf> + config NET_VENDOR_3COM bool "3COM cards" depends on NET_ETHERNET && (ISA || EISA || MCA || PCI) diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 8645c843cf4..8aeec9f2495 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -28,6 +28,7 @@ obj-$(CONFIG_SUNQE) += sunqe.o obj-$(CONFIG_SUNBMAC) += sunbmac.o obj-$(CONFIG_MYRI_SBUS) += myri_sbus.o obj-$(CONFIG_SUNGEM) += sungem.o sungem_phy.o +obj-$(CONFIG_CASSINI) += cassini.o obj-$(CONFIG_MACE) += mace.o obj-$(CONFIG_BMAC) += bmac.o diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c index 9b659e3c8d6..c56d86d371a 100644 --- a/drivers/net/arm/am79c961a.c +++ b/drivers/net/arm/am79c961a.c @@ -15,16 +15,13 @@ */ #include <linux/kernel.h> #include <linux/types.h> -#include <linux/fcntl.h> #include <linux/interrupt.h> #include <linux/ioport.h> -#include <linux/in.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/errno.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> -#include <linux/skbuff.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/crc32.h> @@ -33,7 +30,6 @@ #include <asm/system.h> #include <asm/irq.h> #include <asm/io.h> -#include <asm/dma.h> #define TX_BUFFERS 15 #define RX_BUFFERS 25 @@ -85,7 +81,7 @@ static inline unsigned short read_ireg(u_long base_addr, u_int reg) u_short v; __asm__( "str%?h %1, [%2] @ NAT_RAP\n\t" - "str%?h %0, [%2, #8] @ NET_IDP\n\t" + "ldr%?h %0, [%2, #8] @ NET_IDP\n\t" : "=r" (v) : "r" (reg), "r" (ISAIO_BASE + 0x0464)); return v; @@ -288,7 +284,7 @@ static void am79c961_timer(unsigned long data) else if (!lnkstat && carrier) netif_carrier_off(dev); - mod_timer(&priv->timer, jiffies + 5*HZ); + mod_timer(&priv->timer, jiffies + msecs_to_jiffies(500)); } /* @@ -709,13 +705,9 @@ static int __init am79c961_init(void) goto release; am79c961_banner(); - printk(KERN_INFO "%s: ether address ", dev->name); - /* Retrive and print the ethernet address. */ - for (i = 0; i < 6; i++) { + for (i = 0; i < 6; i++) dev->dev_addr[i] = inb(dev->base_addr + i * 2) & 0xff; - printk (i == 5 ? "%02x\n" : "%02x:", dev->dev_addr[i]); - } spin_lock_init(&priv->chip_lock); init_timer(&priv->timer); @@ -736,8 +728,14 @@ static int __init am79c961_init(void) #endif ret = register_netdev(dev); - if (ret == 0) + if (ret == 0) { + printk(KERN_INFO "%s: ether address ", dev->name); + + for (i = 0; i < 6; i++) + printk (i == 5 ? "%02x\n" : "%02x:", dev->dev_addr[i]); + return 0; + } release: release_region(dev->base_addr, 0x18); diff --git a/drivers/net/bmac.c b/drivers/net/bmac.c index 8dc657fc8af..60dba4a1ca5 100644 --- a/drivers/net/bmac.c +++ b/drivers/net/bmac.c @@ -218,7 +218,7 @@ void bmwrite(struct net_device *dev, unsigned long reg_offset, unsigned data ) static inline -volatile unsigned short bmread(struct net_device *dev, unsigned long reg_offset ) +unsigned short bmread(struct net_device *dev, unsigned long reg_offset ) { return in_le16((void __iomem *)dev->base_addr + reg_offset); } diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c new file mode 100644 index 00000000000..45831fb377a --- /dev/null +++ b/drivers/net/cassini.c @@ -0,0 +1,5311 @@ +/* cassini.c: Sun Microsystems Cassini(+) ethernet driver. + * + * Copyright (C) 2004 Sun Microsystems Inc. + * Copyright (C) 2003 Adrian Sun (asun@darksunrising.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + * + * This driver uses the sungem driver (c) David Miller + * (davem@redhat.com) as its basis. + * + * The cassini chip has a number of features that distinguish it from + * the gem chip: + * 4 transmit descriptor rings that are used for either QoS (VLAN) or + * load balancing (non-VLAN mode) + * batching of multiple packets + * multiple CPU dispatching + * page-based RX descriptor engine with separate completion rings + * Gigabit support (GMII and PCS interface) + * MIF link up/down detection works + * + * RX is handled by page sized buffers that are attached as fragments to + * the skb. here's what's done: + * -- driver allocates pages at a time and keeps reference counts + * on them. + * -- the upper protocol layers assume that the header is in the skb + * itself. as a result, cassini will copy a small amount (64 bytes) + * to make them happy. + * -- driver appends the rest of the data pages as frags to skbuffs + * and increments the reference count + * -- on page reclamation, the driver swaps the page with a spare page. + * if that page is still in use, it frees its reference to that page, + * and allocates a new page for use. otherwise, it just recycles the + * the page. + * + * NOTE: cassini can parse the header. however, it's not worth it + * as long as the network stack requires a header copy. + * + * TX has 4 queues. currently these queues are used in a round-robin + * fashion for load balancing. They can also be used for QoS. for that + * to work, however, QoS information needs to be exposed down to the driver + * level so that subqueues get targetted to particular transmit rings. + * alternatively, the queues can be configured via use of the all-purpose + * ioctl. + * + * RX DATA: the rx completion ring has all the info, but the rx desc + * ring has all of the data. RX can conceivably come in under multiple + * interrupts, but the INT# assignment needs to be set up properly by + * the BIOS and conveyed to the driver. PCI BIOSes don't know how to do + * that. also, the two descriptor rings are designed to distinguish between + * encrypted and non-encrypted packets, but we use them for buffering + * instead. + * + * by default, the selective clear mask is set up to process rx packets. + */ + +#include <linux/config.h> +#include <linux/version.h> + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/compiler.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/pci.h> +#include <linux/mm.h> +#include <linux/highmem.h> +#include <linux/list.h> +#include <linux/dma-mapping.h> + +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> +#include <linux/ethtool.h> +#include <linux/crc32.h> +#include <linux/random.h> +#include <linux/mii.h> +#include <linux/ip.h> +#include <linux/tcp.h> + +#include <net/checksum.h> + +#include <asm/atomic.h> +#include <asm/system.h> +#include <asm/io.h> +#include <asm/byteorder.h> +#include <asm/uaccess.h> + +#define cas_page_map(x) kmap_atomic((x), KM_SKB_DATA_SOFTIRQ) +#define cas_page_unmap(x) kunmap_atomic((x), KM_SKB_DATA_SOFTIRQ) +#define CAS_NCPUS num_online_cpus() + +#if defined(CONFIG_CASSINI_NAPI) && defined(HAVE_NETDEV_POLL) +#define USE_NAPI +#define cas_skb_release(x) netif_receive_skb(x) +#else +#define cas_skb_release(x) netif_rx(x) +#endif + +/* select which firmware to use */ +#define USE_HP_WORKAROUND +#define HP_WORKAROUND_DEFAULT /* select which firmware to use as default */ +#define CAS_HP_ALT_FIRMWARE cas_prog_null /* alternate firmware */ + +#include "cassini.h" + +#define USE_TX_COMPWB /* use completion writeback registers */ +#define USE_CSMA_CD_PROTO /* standard CSMA/CD */ +#define USE_RX_BLANK /* hw interrupt mitigation */ +#undef USE_ENTROPY_DEV /* don't test for entropy device */ + +/* NOTE: these aren't useable unless PCI interrupts can be assigned. + * also, we need to make cp->lock finer-grained. + */ +#undef USE_PCI_INTB +#undef USE_PCI_INTC +#undef USE_PCI_INTD +#undef USE_QOS + +#undef USE_VPD_DEBUG /* debug vpd information if defined */ + +/* rx processing options */ +#define USE_PAGE_ORDER /* specify to allocate large rx pages */ +#define RX_DONT_BATCH 0 /* if 1, don't batch flows */ +#define RX_COPY_ALWAYS 0 /* if 0, use frags */ +#define RX_COPY_MIN 64 /* copy a little to make upper layers happy */ +#undef RX_COUNT_BUFFERS /* define to calculate RX buffer stats */ + +#define DRV_MODULE_NAME "cassini" +#define PFX DRV_MODULE_NAME ": " +#define DRV_MODULE_VERSION "1.4" +#define DRV_MODULE_RELDATE "1 July 2004" + +#define CAS_DEF_MSG_ENABLE \ + (NETIF_MSG_DRV | \ + NETIF_MSG_PROBE | \ + NETIF_MSG_LINK | \ + NETIF_MSG_TIMER | \ + NETIF_MSG_IFDOWN | \ + NETIF_MSG_IFUP | \ + NETIF_MSG_RX_ERR | \ + NETIF_MSG_TX_ERR) + +/* length of time before we decide the hardware is borked, + * and dev->tx_timeout() should be called to fix the problem + */ +#define CAS_TX_TIMEOUT (HZ) +#define CAS_LINK_TIMEOUT (22*HZ/10) +#define CAS_LINK_FAST_TIMEOUT (1) + +/* timeout values for state changing. these specify the number + * of 10us delays to be used before giving up. + */ +#define STOP_TRIES_PHY 1000 +#define STOP_TRIES 5000 + +/* specify a minimum frame size to deal with some fifo issues + * max mtu == 2 * page size - ethernet header - 64 - swivel = + * 2 * page_size - 0x50 + */ +#define CAS_MIN_FRAME 97 +#define CAS_1000MB_MIN_FRAME 255 +#define CAS_MIN_MTU 60 +#define CAS_MAX_MTU min(((cp->page_size << 1) - 0x50), 9000) + +#if 1 +/* + * Eliminate these and use separate atomic counters for each, to + * avoid a race condition. + */ +#else +#define CAS_RESET_MTU 1 +#define CAS_RESET_ALL 2 +#define CAS_RESET_SPARE 3 +#endif + +static char version[] __devinitdata = + DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; + +MODULE_AUTHOR("Adrian Sun (asun@darksunrising.com)"); +MODULE_DESCRIPTION("Sun Cassini(+) ethernet driver"); +MODULE_LICENSE("GPL"); +MODULE_PARM(cassini_debug, "i"); +MODULE_PARM_DESC(cassini_debug, "Cassini bitmapped debugging message enable value"); +MODULE_PARM(link_mode, "i"); +MODULE_PARM_DESC(link_mode, "default link mode"); + +/* + * Work around for a PCS bug in which the link goes down due to the chip + * being confused and never showing a link status of "up." + */ +#define DEFAULT_LINKDOWN_TIMEOUT 5 +/* + * Value in seconds, for user input. + */ +static int linkdown_timeout = DEFAULT_LINKDOWN_TIMEOUT; +MODULE_PARM(linkdown_timeout, "i"); +MODULE_PARM_DESC(linkdown_timeout, +"min reset interval in sec. for PCS linkdown issue; disabled if not positive"); + +/* + * value in 'ticks' (units used by jiffies). Set when we init the + * module because 'HZ' in actually a function call on some flavors of + * Linux. This will default to DEFAULT_LINKDOWN_TIMEOUT * HZ. + */ +static int link_transition_timeout; + + +static int cassini_debug = -1; /* -1 == use CAS_DEF_MSG_ENABLE as value */ +static int link_mode; + +static u16 link_modes[] __devinitdata = { + BMCR_ANENABLE, /* 0 : autoneg */ + 0, /* 1 : 10bt half duplex */ + BMCR_SPEED100, /* 2 : 100bt half duplex */ + BMCR_FULLDPLX, /* 3 : 10bt full duplex */ + BMCR_SPEED100|BMCR_FULLDPLX, /* 4 : 100bt full duplex */ + CAS_BMCR_SPEED1000|BMCR_FULLDPLX /* 5 : 1000bt full duplex */ +}; + +static struct pci_device_id cas_pci_tbl[] __devinitdata = { + { PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_CASSINI, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, + { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SATURN, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, + { 0, } +}; + +MODULE_DEVICE_TABLE(pci, cas_pci_tbl); + +static void cas_set_link_modes(struct cas *cp); + +static inline void cas_lock_tx(struct cas *cp) +{ + int i; + + for (i = 0; i < N_TX_RINGS; i++) + spin_lock(&cp->tx_lock[i]); +} + +static inline void cas_lock_all(struct cas *cp) +{ + spin_lock_irq(&cp->lock); + cas_lock_tx(cp); +} + +/* WTZ: QA was finding deadlock problems with the previous + * versions after long test runs with multiple cards per machine. + * See if replacing cas_lock_all with safer versions helps. The + * symptoms QA is reporting match those we'd expect if interrupts + * aren't being properly restored, and we fixed a previous deadlock + * with similar symptoms by using save/restore versions in other + * places. + */ +#define cas_lock_all_save(cp, flags) \ +do { \ + struct cas *xxxcp = (cp); \ + spin_lock_irqsave(&xxxcp->lock, flags); \ + cas_lock_tx(xxxcp); \ +} while (0) + +static inline void cas_unlock_tx(struct cas *cp) +{ + int i; + + for (i = N_TX_RINGS; i > 0; i--) + spin_unlock(&cp->tx_lock[i - 1]); +} + +static inline void cas_unlock_all(struct cas *cp) +{ + cas_unlock_tx(cp); + spin_unlock_irq(&cp->lock); +} + +#define cas_unlock_all_restore(cp, flags) \ +do { \ + struct cas *xxxcp = (cp); \ + cas_unlock_tx(xxxcp); \ + spin_unlock_irqrestore(&xxxcp->lock, flags); \ +} while (0) + +static void cas_disable_irq(struct cas *cp, const int ring) +{ + /* Make sure we won't get any more interrupts */ + if (ring == 0) { + writel(0xFFFFFFFF, cp->regs + REG_INTR_MASK); + return; + } + + /* disable completion interrupts and selectively mask */ + if (cp->cas_flags & CAS_FLAG_REG_PLUS) { + switch (ring) { +#if defined (USE_PCI_INTB) || defined(USE_PCI_INTC) || defined(USE_PCI_INTD) +#ifdef USE_PCI_INTB + case 1: +#endif +#ifdef USE_PCI_INTC + case 2: +#endif +#ifdef USE_PCI_INTD + case 3: +#endif + writel(INTRN_MASK_CLEAR_ALL | INTRN_MASK_RX_EN, + cp->regs + REG_PLUS_INTRN_MASK(ring)); + break; +#endif + default: + writel(INTRN_MASK_CLEAR_ALL, cp->regs + + REG_PLUS_INTRN_MASK(ring)); + break; + } + } +} + +static inline void cas_mask_intr(struct cas *cp) +{ + int i; + + for (i = 0; i < N_RX_COMP_RINGS; i++) + cas_disable_irq(cp, i); +} + +static void cas_enable_irq(struct cas *cp, const int ring) +{ + if (ring == 0) { /* all but TX_DONE */ + writel(INTR_TX_DONE, cp->regs + REG_INTR_MASK); + return; + } + + if (cp->cas_flags & CAS_FLAG_REG_PLUS) { + switch (ring) { +#if defined (USE_PCI_INTB) || defined(USE_PCI_INTC) || defined(USE_PCI_INTD) +#ifdef USE_PCI_INTB + case 1: +#endif +#ifdef USE_PCI_INTC + case 2: +#endif +#ifdef USE_PCI_INTD + case 3: +#endif + writel(INTRN_MASK_RX_EN, cp->regs + + REG_PLUS_INTRN_MASK(ring)); + break; +#endif + default: + break; + } + } +} + +static inline void cas_unmask_intr(struct cas *cp) +{ + int i; + + for (i = 0; i < N_RX_COMP_RINGS; i++) + cas_enable_irq(cp, i); +} + +static inline void cas_entropy_gather(struct cas *cp) +{ +#ifdef USE_ENTROPY_DEV + if ((cp->cas_flags & CAS_FLAG_ENTROPY_DEV) == 0) + return; + + batch_entropy_store(readl(cp->regs + REG_ENTROPY_IV), + readl(cp->regs + REG_ENTROPY_IV), + sizeof(uint64_t)*8); +#endif +} + +static inline void cas_entropy_reset(struct cas *cp) +{ +#ifdef USE_ENTROPY_DEV + if ((cp->cas_flags & CAS_FLAG_ENTROPY_DEV) == 0) + return; + + writel(BIM_LOCAL_DEV_PAD | BIM_LOCAL_DEV_PROM | BIM_LOCAL_DEV_EXT, + cp->regs + REG_BIM_LOCAL_DEV_EN); + writeb(ENTROPY_RESET_STC_MODE, cp->regs + REG_ENTROPY_RESET); + writeb(0x55, cp->regs + REG_ENTROPY_RAND_REG); + + /* if we read back 0x0, we don't have an entropy device */ + if (readb(cp->regs + REG_ENTROPY_RAND_REG) == 0) + cp->cas_flags &= ~CAS_FLAG_ENTROPY_DEV; +#endif +} + +/* access to the phy. the following assumes that we've initialized the MIF to + * be in frame rather than bit-bang mode + */ +static u16 cas_phy_read(struct cas *cp, int reg) +{ + u32 cmd; + int limit = STOP_TRIES_PHY; + + cmd = MIF_FRAME_ST | MIF_FRAME_OP_READ; + cmd |= CAS_BASE(MIF_FRAME_PHY_ADDR, cp->phy_addr); + cmd |= CAS_BASE(MIF_FRAME_REG_ADDR, reg); + cmd |= MIF_FRAME_TURN_AROUND_MSB; + writel(cmd, cp->regs + REG_MIF_FRAME); + + /* poll for completion */ + while (limit-- > 0) { + udelay(10); + cmd = readl(cp->regs + REG_MIF_FRAME); + if (cmd & MIF_FRAME_TURN_AROUND_LSB) + return (cmd & MIF_FRAME_DATA_MASK); + } + return 0xFFFF; /* -1 */ +} + +static int cas_phy_write(struct cas *cp, int reg, u16 val) +{ + int limit = STOP_TRIES_PHY; + u32 cmd; + + cmd = MIF_FRAME_ST | MIF_FRAME_OP_WRITE; + cmd |= CAS_BASE(MIF_FRAME_PHY_ADDR, cp->phy_addr); + cmd |= CAS_BASE(MIF_FRAME_REG_ADDR, reg); + cmd |= MIF_FRAME_TURN_AROUND_MSB; + cmd |= val & MIF_FRAME_DATA_MASK; + writel(cmd, cp->regs + REG_MIF_FRAME); + + /* poll for completion */ + while (limit-- > 0) { + udelay(10); + cmd = readl(cp->regs + REG_MIF_FRAME); + if (cmd & MIF_FRAME_TURN_AROUND_LSB) + return 0; + } + return -1; +} + +static void cas_phy_powerup(struct cas *cp) +{ + u16 ctl = cas_phy_read(cp, MII_BMCR); + + if ((ctl & BMCR_PDOWN) == 0) + return; + ctl &= ~BMCR_PDOWN; + cas_phy_write(cp, MII_BMCR, ctl); +} + +static void cas_phy_powerdown(struct cas *cp) +{ + u16 ctl = cas_phy_read(cp, MII_BMCR); + + if (ctl & BMCR_PDOWN) + return; + ctl |= BMCR_PDOWN; + cas_phy_write(cp, MII_BMCR, ctl); +} + +/* cp->lock held. note: the last put_page will free the buffer */ +static int cas_page_free(struct cas *cp, cas_page_t *page) +{ + pci_unmap_page(cp->pdev, page->dma_addr, cp->page_size, + PCI_DMA_FROMDEVICE); + __free_pages(page->buffer, cp->page_order); + kfree(page); + return 0; +} + +#ifdef RX_COUNT_BUFFERS +#define RX_USED_ADD(x, y) ((x)->used += (y)) +#define RX_USED_SET(x, y) ((x)->used = (y)) +#else +#define RX_USED_ADD(x, y) +#define RX_USED_SET(x, y) +#endif + +/* local page allocation routines for the receive buffers. jumbo pages + * require at least 8K contiguous and 8K aligned buffers. + */ +static cas_page_t *cas_page_alloc(struct cas *cp, const int flags) +{ + cas_page_t *page; + + page = kmalloc(sizeof(cas_page_t), flags); + if (!page) + return NULL; + + INIT_LIST_HEAD(&page->list); + RX_USED_SET(page, 0); + page->buffer = alloc_pages(flags, cp->page_order); + if (!page->buffer) + goto page_err; + page->dma_addr = pci_map_page(cp->pdev, page->buffer, 0, + cp->page_size, PCI_DMA_FROMDEVICE); + return page; + +page_err: + kfree(page); + return NULL; +} + +/* initialize spare pool of rx buffers, but allocate during the open */ +static void cas_spare_init(struct cas *cp) +{ + spin_lock(&cp->rx_inuse_lock); + INIT_LIST_HEAD(&cp->rx_inuse_list); + spin_unlock(&cp->rx_inuse_lock); + + spin_lock(&cp->rx_spare_lock); + INIT_LIST_HEAD(&cp->rx_spare_list); + cp->rx_spares_needed = RX_SPARE_COUNT; + spin_unlock(&cp->rx_spare_lock); +} + +/* used on close. free all the spare buffers. */ +static void cas_spare_free(struct cas *cp) +{ + struct list_head list, *elem, *tmp; + + /* free spare buffers */ + INIT_LIST_HEAD(&list); + spin_lock(&cp->rx_spare_lock); + list_splice(&cp->rx_spare_list, &list); + INIT_LIST_HEAD(&cp->rx_spare_list); + spin_unlock(&cp->rx_spare_lock); + list_for_each_safe(elem, tmp, &list) { + cas_page_free(cp, list_entry(elem, cas_page_t, list)); + } + + INIT_LIST_HEAD(&list); +#if 1 + /* + * Looks like Adrian had protected this with a different + * lock than used everywhere else to manipulate this list. + */ + spin_lock(&cp->rx_inuse_lock); + list_splice(&cp->rx_inuse_list, &list); + INIT_LIST_HEAD(&cp->rx_inuse_list); + spin_unlock(&cp->rx_inuse_lock); +#else + spin_lock(&cp->rx_spare_lock); + list_splice(&cp->rx_inuse_list, &list); + INIT_LIST_HEAD(&cp->rx_inuse_list); + spin_unlock(&cp->rx_spare_lock); +#endif + list_for_each_safe(elem, tmp, &list) { + cas_page_free(cp, list_entry(elem, cas_page_t, list)); + } +} + +/* replenish spares if needed */ +static void cas_spare_recover(struct cas *cp, const int flags) +{ + struct list_head list, *elem, *tmp; + int needed, i; + + /* check inuse list. if we don't need any more free buffers, + * just free it + */ + + /* make a local copy of the list */ + INIT_LIST_HEAD(&list); + spin_lock(&cp->rx_inuse_lock); + list_splice(&cp->rx_inuse_list, &list); + INIT_LIST_HEAD(&cp->rx_inuse_list); + spin_unlock(&cp->rx_inuse_lock); + + list_for_each_safe(elem, tmp, &list) { + cas_page_t *page = list_entry(elem, cas_page_t, list); + + if (page_count(page->buffer) > 1) + continue; + + list_del(elem); + spin_lock(&cp->rx_spare_lock); + if (cp->rx_spares_needed > 0) { + list_add(elem, &cp->rx_spare_list); + cp->rx_spares_needed--; + spin_unlock(&cp->rx_spare_lock); + } else { + spin_unlock(&cp->rx_spare_lock); + cas_page_free(cp, page); + } + } + + /* put any inuse buffers back on the list */ + if (!list_empty(&list)) { + spin_lock(&cp->rx_inuse_lock); + list_splice(&list, &cp->rx_inuse_list); + spin_unlock(&cp->rx_inuse_lock); + } + + spin_lock(&cp->rx_spare_lock); + needed = cp->rx_spares_needed; + spin_unlock(&cp->rx_spare_lock); + if (!needed) + return; + + /* we still need spares, so try to allocate some */ + INIT_LIST_HEAD(&list); + i = 0; + while (i < needed) { + cas_page_t *spare = cas_page_alloc(cp, flags); + if (!spare) + break; + list_add(&spare->list, &list); + i++; + } + + spin_lock(&cp->rx_spare_lock); + list_splice(&list, &cp->rx_spare_list); + cp->rx_spares_needed -= i; + spin_unlock(&cp->rx_spare_lock); +} + +/* pull a page from the list. */ +static cas_page_t *cas_page_dequeue(struct cas *cp) +{ + struct list_head *entry; + int recover; + + spin_lock(&cp->rx_spare_lock); + if (list_empty(&cp->rx_spare_list)) { + /* try to do a quick recovery */ + spin_unlock(&cp->rx_spare_lock); + cas_spare_recover(cp, GFP_ATOMIC); + spin_lock(&cp->rx_spare_lock); + if (list_empty(&cp->rx_spare_list)) { + if (netif_msg_rx_err(cp)) + printk(KERN_ERR "%s: no spare buffers " + "available.\n", cp->dev->name); + spin_unlock(&cp->rx_spare_lock); + return NULL; + } + } + + entry = cp->rx_spare_list.next; + list_del(entry); + recover = ++cp->rx_spares_needed; + spin_unlock(&cp->rx_spare_lock); + + /* trigger the timer to do the recovery */ + if ((recover & (RX_SPARE_RECOVER_VAL - 1)) == 0) { +#if 1 + atomic_inc(&cp->reset_task_pending); + atomic_inc(&cp->reset_task_pending_spare); + schedule_work(&cp->reset_task); +#else + atomic_set(&cp->reset_task_pending, CAS_RESET_SPARE); + schedule_work(&cp->reset_task); +#endif + } + return list_entry(entry, cas_page_t, list); +} + + +static void cas_mif_poll(struct cas *cp, const int enable) +{ + u32 cfg; + + cfg = readl(cp->regs + REG_MIF_CFG); + cfg &= (MIF_CFG_MDIO_0 | MIF_CFG_MDIO_1); + + if (cp->phy_type & CAS_PHY_MII_MDIO1) + cfg |= MIF_CFG_PHY_SELECT; + + /* poll and interrupt on link status change. */ + if (enable) { + cfg |= MIF_CFG_POLL_EN; + cfg |= CAS_BASE(MIF_CFG_POLL_REG, MII_BMSR); + cfg |= CAS_BASE(MIF_CFG_POLL_PHY, cp->phy_addr); + } + writel((enable) ? ~(BMSR_LSTATUS | BMSR_ANEGCOMPLETE) : 0xFFFF, + cp->regs + REG_MIF_MASK); + writel(cfg, cp->regs + REG_MIF_CFG); +} + +/* Must be invoked under cp->lock */ +static void cas_begin_auto_negotiation(struct cas *cp, struct ethtool_cmd *ep) +{ + u16 ctl; +#if 1 + int lcntl; + int changed = 0; + int oldstate = cp->lstate; + int link_was_not_down = !(oldstate == link_down); +#endif + /* Setup link parameters */ + if (!ep) + goto start_aneg; + lcntl = cp->link_cntl; + if (ep->autoneg == AUTONEG_ENABLE) + cp->link_cntl = BMCR_ANENABLE; + else { + cp->link_cntl = 0; + if (ep->speed == SPEED_100) + cp->link_cntl |= BMCR_SPEED100; + else if (ep->speed == SPEED_1000) + cp->link_cntl |= CAS_BMCR_SPEED1000; + if (ep->duplex == DUPLEX_FULL) + cp->link_cntl |= BMCR_FULLDPLX; + } +#if 1 + changed = (lcntl != cp->link_cntl); +#endif +start_aneg: + if (cp->lstate == link_up) { + printk(KERN_INFO "%s: PCS link down.\n", + cp->dev->name); + } else { + if (changed) { + printk(KERN_INFO "%s: link configuration changed\n", + cp->dev->name); + } + } + cp->lstate = link_down; + cp->link_transition = LINK_TRANSITION_LINK_DOWN; + if (!cp->hw_running) + return; +#if 1 + /* + * WTZ: If the old state was link_up, we turn off the carrier + * to replicate everything we do elsewhere on a link-down + * event when we were already in a link-up state.. + */ + if (oldstate == link_up) + netif_carrier_off(cp->dev); + if (changed && link_was_not_down) { + /* + * WTZ: This branch will simply schedule a full reset after + * we explicitly changed link modes in an ioctl. See if this + * fixes the link-problems we were having for forced mode. + */ + atomic_inc(&cp->reset_task_pending); + atomic_inc(&cp->reset_task_pending_all); + schedule_work(&cp->reset_task); + cp->timer_ticks = 0; + mod_timer(&cp->link_timer, jiffies + CAS_LINK_TIMEOUT); + return; + } +#endif + if (cp->phy_type & CAS_PHY_SERDES) { + u32 val = readl(cp->regs + REG_PCS_MII_CTRL); + + if (cp->link_cntl & BMCR_ANENABLE) { + val |= (PCS_MII_RESTART_AUTONEG | PCS_MII_AUTONEG_EN); + cp->lstate = link_aneg; + } else { + if (cp->link_cntl & BMCR_FULLDPLX) + val |= PCS_MII_CTRL_DUPLEX; + val &= ~PCS_MII_AUTONEG_EN; + cp->lstate = link_force_ok; + } + cp->link_transition = LINK_TRANSITION_LINK_CONFIG; + writel(val, cp->regs + REG_PCS_MII_CTRL); + + } else { + cas_mif_poll(cp, 0); + ctl = cas_phy_read(cp, MII_BMCR); + ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | + CAS_BMCR_SPEED1000 | BMCR_ANENABLE); + ctl |= cp->link_cntl; + if (ctl & BMCR_ANENABLE) { + ctl |= BMCR_ANRESTART; + cp->lstate = link_aneg; + } else { + cp->lstate = link_force_ok; + } + cp->link_transition = LINK_TRANSITION_LINK_CONFIG; + cas_phy_write(cp, MII_BMCR, ctl); + cas_mif_poll(cp, 1); + } + + cp->timer_ticks = 0; + mod_timer(&cp->link_timer, jiffies + CAS_LINK_TIMEOUT); +} + +/* Must be invoked under cp->lock. */ +static int cas_reset_mii_phy(struct cas *cp) +{ + int limit = STOP_TRIES_PHY; + u16 val; + + cas_phy_write(cp, MII_BMCR, BMCR_RESET); + udelay(100); + while (limit--) { + val = cas_phy_read(cp, MII_BMCR); + if ((val & BMCR_RESET) == 0) + break; + udelay(10); + } + return (limit <= 0); +} + +static void cas_saturn_firmware_load(struct cas *cp) +{ + cas_saturn_patch_t *patch = cas_saturn_patch; + + cas_phy_powerdown(cp); + + /* expanded memory access mode */ + cas_phy_write(cp, DP83065_MII_MEM, 0x0); + + /* pointer configuration for new firmware */ + cas_phy_write(cp, DP83065_MII_REGE, 0x8ff9); + cas_phy_write(cp, DP83065_MII_REGD, 0xbd); + cas_phy_write(cp, DP83065_MII_REGE, 0x8ffa); + cas_phy_write(cp, DP83065_MII_REGD, 0x82); + cas_phy_write(cp, DP83065_MII_REGE, 0x8ffb); + cas_phy_write(cp, DP83065_MII_REGD, 0x0); + cas_phy_write(cp, DP83065_MII_REGE, 0x8ffc); + cas_phy_write(cp, DP83065_MII_REGD, 0x39); + + /* download new firmware */ + cas_phy_write(cp, DP83065_MII_MEM, 0x1); + cas_phy_write(cp, DP83065_MII_REGE, patch->addr); + while (patch->addr) { + cas_phy_write(cp, DP83065_MII_REGD, patch->val); + patch++; + } + + /* enable firmware */ + cas_phy_write(cp, DP83065_MII_REGE, 0x8ff8); + cas_phy_write(cp, DP83065_MII_REGD, 0x1); +} + + +/* phy initialization */ +static void cas_phy_init(struct cas *cp) +{ + u16 val; + + /* if we're in MII/GMII mode, set up phy */ + if (CAS_PHY_MII(cp->phy_type)) { + writel(PCS_DATAPATH_MODE_MII, + cp->regs + REG_PCS_DATAPATH_MODE); + + cas_mif_poll(cp, 0); + cas_reset_mii_phy(cp); /* take out of isolate mode */ + + if (PHY_LUCENT_B0 == cp->phy_id) { + /* workaround link up/down issue with lucent */ + cas_phy_write(cp, LUCENT_MII_REG, 0x8000); + cas_phy_write(cp, MII_BMCR, 0x00f1); + cas_phy_write(cp, LUCENT_MII_REG, 0x0); + + } else if (PHY_BROADCOM_B0 == (cp->phy_id & 0xFFFFFFFC)) { + /* workarounds for broadcom phy */ + cas_phy_write(cp, BROADCOM_MII_REG8, 0x0C20); + cas_phy_write(cp, BROADCOM_MII_REG7, 0x0012); + cas_phy_write(cp, BROADCOM_MII_REG5, 0x1804); + cas_phy_write(cp, BROADCOM_MII_REG7, 0x0013); + cas_phy_write(cp, BROADCOM_MII_REG5, 0x1204); + cas_phy_write(cp, BROADCOM_MII_REG7, 0x8006); + cas_phy_write(cp, BROADCOM_MII_REG5, 0x0132); + cas_phy_write(cp, BROADCOM_MII_REG7, 0x8006); + cas_phy_write(cp, BROADCOM_MII_REG5, 0x0232); + cas_phy_write(cp, BROADCOM_MII_REG7, 0x201F); + cas_phy_write(cp, BROADCOM_MII_REG5, 0x0A20); + + } else if (PHY_BROADCOM_5411 == cp->phy_id) { + val = cas_phy_read(cp, BROADCOM_MII_REG4); + val = cas_phy_read(cp, BROADCOM_MII_REG4); + if (val & 0x0080) { + /* link workaround */ + cas_phy_write(cp, BROADCOM_MII_REG4, + val & ~0x0080); + } + + } else if (cp->cas_flags & CAS_FLAG_SATURN) { + writel((cp->phy_type & CAS_PHY_MII_MDIO0) ? + SATURN_PCFG_FSI : 0x0, + cp->regs + REG_SATURN_PCFG); + + /* load firmware to address 10Mbps auto-negotiation + * issue. NOTE: this will need to be changed if the + * default firmware gets fixed. + */ + if (PHY_NS_DP83065 == cp->phy_id) { + cas_saturn_firmware_load(cp); + } + cas_phy_powerup(cp); + } + + /* advertise capabilities */ + val = cas_phy_read(cp, MII_BMCR); + val &= ~BMCR_ANENABLE; + cas_phy_write(cp, MII_BMCR, val); + udelay(10); + + cas_phy_write(cp, MII_ADVERTISE, + cas_phy_read(cp, MII_ADVERTISE) | + (ADVERTISE_10HALF | ADVERTISE_10FULL | + ADVERTISE_100HALF | ADVERTISE_100FULL | + CAS_ADVERTISE_PAUSE | + CAS_ADVERTISE_ASYM_PAUSE)); + + if (cp->cas_flags & CAS_FLAG_1000MB_CAP) { + /* make sure that we don't advertise half + * duplex to avoid a chip issue + */ + val = cas_phy_read(cp, CAS_MII_1000_CTRL); + val &= ~CAS_ADVERTISE_1000HALF; + val |= CAS_ADVERTISE_1000FULL; + cas_phy_write(cp, CAS_MII_1000_CTRL, val); + } + + } else { + /* reset pcs for serdes */ + u32 val; + int limit; + + writel(PCS_DATAPATH_MODE_SERDES, + cp->regs + REG_PCS_DATAPATH_MODE); + + /* enable serdes pins on saturn */ + if (cp->cas_flags & CAS_FLAG_SATURN) + writel(0, cp->regs + REG_SATURN_PCFG); + + /* Reset PCS unit. */ + val = readl(cp->regs + REG_PCS_MII_CTRL); + val |= PCS_MII_RESET; + writel(val, cp->regs + REG_PCS_MII_CTRL); + + limit = STOP_TRIES; + while (limit-- > 0) { + udelay(10); + if ((readl(cp->regs + REG_PCS_MII_CTRL) & + PCS_MII_RESET) == 0) + break; + } + if (limit <= 0) + printk(KERN_WARNING "%s: PCS reset bit would not " + "clear [%08x].\n", cp->dev->name, + readl(cp->regs + REG_PCS_STATE_MACHINE)); + + /* Make sure PCS is disabled while changing advertisement + * configuration. + */ + writel(0x0, cp->regs + REG_PCS_CFG); + + /* Advertise all capabilities except half-duplex. */ + val = readl(cp->regs + REG_PCS_MII_ADVERT); + val &= ~PCS_MII_ADVERT_HD; + val |= (PCS_MII_ADVERT_FD | PCS_MII_ADVERT_SYM_PAUSE | + PCS_MII_ADVERT_ASYM_PAUSE); + writel(val, cp->regs + REG_PCS_MII_ADVERT); + + /* enable PCS */ + writel(PCS_CFG_EN, cp->regs + REG_PCS_CFG); + + /* pcs workaround: enable sync detect */ + writel(PCS_SERDES_CTRL_SYNCD_EN, + cp->regs + REG_PCS_SERDES_CTRL); + } +} + + +static int cas_pcs_link_check(struct cas *cp) +{ + u32 stat, state_machine; + int retval = 0; + + /* The link status bit latches on zero, so you must + * read it twice in such a case to see a transition + * to the link being up. + */ + stat = readl(cp->regs + REG_PCS_MII_STATUS); + if ((stat & PCS_MII_STATUS_LINK_STATUS) == 0) + stat = readl(cp->regs + REG_PCS_MII_STATUS); + + /* The remote-fault indication is only valid + * when autoneg has completed. + */ + if ((stat & (PCS_MII_STATUS_AUTONEG_COMP | + PCS_MII_STATUS_REMOTE_FAULT)) == + (PCS_MII_STATUS_AUTONEG_COMP | PCS_MII_STATUS_REMOTE_FAULT)) { + if (netif_msg_link(cp)) + printk(KERN_INFO "%s: PCS RemoteFault\n", + cp->dev->name); + } + + /* work around link detection issue by querying the PCS state + * machine directly. + */ + state_machine = readl(cp->regs + REG_PCS_STATE_MACHINE); + if ((state_machine & PCS_SM_LINK_STATE_MASK) != SM_LINK_STATE_UP) { + stat &= ~PCS_MII_STATUS_LINK_STATUS; + } else if (state_machine & PCS_SM_WORD_SYNC_STATE_MASK) { + stat |= PCS_MII_STATUS_LINK_STATUS; + } + + if (stat & PCS_MII_STATUS_LINK_STATUS) { + if (cp->lstate != link_up) { + if (cp->opened) { + cp->lstate = link_up; + cp->link_transition = LINK_TRANSITION_LINK_UP; + + cas_set_link_modes(cp); + netif_carrier_on(cp->dev); + } + } + } else if (cp->lstate == link_up) { + cp->lstate = link_down; + if (link_transition_timeout != 0 && + cp->link_transition != LINK_TRANSITION_REQUESTED_RESET && + !cp->link_transition_jiffies_valid) { + /* + * force a reset, as a workaround for the + * link-failure problem. May want to move this to a + * point a bit earlier in the sequence. If we had + * generated a reset a short time ago, we'll wait for + * the link timer to check the status until a + * timer expires (link_transistion_jiffies_valid is + * true when the timer is running.) Instead of using + * a system timer, we just do a check whenever the + * link timer is running - this clears the flag after + * a suitable delay. + */ + retval = 1; + cp->link_transition = LINK_TRANSITION_REQUESTED_RESET; + cp->link_transition_jiffies = jiffies; + cp->link_transition_jiffies_valid = 1; + } else { + cp->link_transition = LINK_TRANSITION_ON_FAILURE; + } + netif_carrier_off(cp->dev); + if (cp->opened && netif_msg_link(cp)) { + printk(KERN_INFO "%s: PCS link down.\n", + cp->dev->name); + } + + /* Cassini only: if you force a mode, there can be + * sync problems on link down. to fix that, the following + * things need to be checked: + * 1) read serialink state register + * 2) read pcs status register to verify link down. + * 3) if link down and serial link == 0x03, then you need + * to global reset the chip. + */ + if ((cp->cas_flags & CAS_FLAG_REG_PLUS) == 0) { + /* should check to see if we're in a forced mode */ + stat = readl(cp->regs + REG_PCS_SERDES_STATE); + if (stat == 0x03) + return 1; + } + } else if (cp->lstate == link_down) { + if (link_transition_timeout != 0 && + cp->link_transition != LINK_TRANSITION_REQUESTED_RESET && + !cp->link_transition_jiffies_valid) { + /* force a reset, as a workaround for the + * link-failure problem. May want to move + * this to a point a bit earlier in the + * sequence. + */ + retval = 1; + cp->link_transition = LINK_TRANSITION_REQUESTED_RESET; + cp->link_transition_jiffies = jiffies; + cp->link_transition_jiffies_valid = 1; + } else { + cp->link_transition = LINK_TRANSITION_STILL_FAILED; + } + } + + return retval; +} + +static int cas_pcs_interrupt(struct net_device *dev, + struct cas *cp, u32 status) +{ + u32 stat = readl(cp->regs + REG_PCS_INTR_STATUS); + + if ((stat & PCS_INTR_STATUS_LINK_CHANGE) == 0) + return 0; + return cas_pcs_link_check(cp); +} + +static int cas_txmac_interrupt(struct net_device *dev, + struct cas *cp, u32 status) +{ + u32 txmac_stat = readl(cp->regs + REG_MAC_TX_STATUS); + + if (!txmac_stat) + return 0; + + if (netif_msg_intr(cp)) + printk(KERN_DEBUG "%s: txmac interrupt, txmac_stat: 0x%x\n", + cp->dev->name, txmac_stat); + + /* Defer timer expiration is quite normal, + * don't even log the event. + */ + if ((txmac_stat & MAC_TX_DEFER_TIMER) && + !(txmac_stat & ~MAC_TX_DEFER_TIMER)) + return 0; + + spin_lock(&cp->stat_lock[0]); + if (txmac_stat & MAC_TX_UNDERRUN) { + printk(KERN_ERR "%s: TX MAC xmit underrun.\n", + dev->name); + cp->net_stats[0].tx_fifo_errors++; + } + + if (txmac_stat & MAC_TX_MAX_PACKET_ERR) { + printk(KERN_ERR "%s: TX MAC max packet size error.\n", + dev->name); + cp->net_stats[0].tx_errors++; + } + + /* The rest are all cases of one of the 16-bit TX + * counters expiring. + */ + if (txmac_stat & MAC_TX_COLL_NORMAL) + cp->net_stats[0].collisions += 0x10000; + + if (txmac_stat & MAC_TX_COLL_EXCESS) { + cp->net_stats[0].tx_aborted_errors += 0x10000; + cp->net_stats[0].collisions += 0x10000; + } + + if (txmac_stat & MAC_TX_COLL_LATE) { + cp->net_stats[0].tx_aborted_errors += 0x10000; + cp->net_stats[0].collisions += 0x10000; + } + spin_unlock(&cp->stat_lock[0]); + + /* We do not keep track of MAC_TX_COLL_FIRST and + * MAC_TX_PEAK_ATTEMPTS events. + */ + return 0; +} + +static void cas_load_firmware(struct cas *cp, cas_hp_inst_t *firmware) +{ + cas_hp_inst_t *inst; + u32 val; + int i; + + i = 0; + while ((inst = firmware) && inst->note) { + writel(i, cp->regs + REG_HP_INSTR_RAM_ADDR); + + val = CAS_BASE(HP_INSTR_RAM_HI_VAL, inst->val); + val |= CAS_BASE(HP_INSTR_RAM_HI_MASK, inst->mask); + writel(val, cp->regs + REG_HP_INSTR_RAM_DATA_HI); + + val = CAS_BASE(HP_INSTR_RAM_MID_OUTARG, inst->outarg >> 10); + val |= CAS_BASE(HP_INSTR_RAM_MID_OUTOP, inst->outop); + val |= CAS_BASE(HP_INSTR_RAM_MID_FNEXT, inst->fnext); + val |= CAS_BASE(HP_INSTR_RAM_MID_FOFF, inst->foff); + val |= CAS_BASE(HP_INSTR_RAM_MID_SNEXT, inst->snext); + val |= CAS_BASE(HP_INSTR_RAM_MID_SOFF, inst->soff); + val |= CAS_BASE(HP_INSTR_RAM_MID_OP, inst->op); + writel(val, cp->regs + REG_HP_INSTR_RAM_DATA_MID); + + val = CAS_BASE(HP_INSTR_RAM_LOW_OUTMASK, inst->outmask); + val |= CAS_BASE(HP_INSTR_RAM_LOW_OUTSHIFT, inst->outshift); + val |= CAS_BASE(HP_INSTR_RAM_LOW_OUTEN, inst->outenab); + val |= CAS_BASE(HP_INSTR_RAM_LOW_OUTARG, inst->outarg); + writel(val, cp->regs + REG_HP_INSTR_RAM_DATA_LOW); + ++firmware; + ++i; + } +} + +static void cas_init_rx_dma(struct cas *cp) +{ + u64 desc_dma = cp->block_dvma; + u32 val; + int i, size; + + /* rx free descriptors */ + val = CAS_BASE(RX_CFG_SWIVEL, RX_SWIVEL_OFF_VAL); + val |= CAS_BASE(RX_CFG_DESC_RING, RX_DESC_RINGN_INDEX(0)); + val |= CAS_BASE(RX_CFG_COMP_RING, RX_COMP_RINGN_INDEX(0)); + if ((N_RX_DESC_RINGS > 1) && + (cp->cas_flags & CAS_FLAG_REG_PLUS)) /* do desc 2 */ + val |= CAS_BASE(RX_CFG_DESC_RING1, RX_DESC_RINGN_INDEX(1)); + writel(val, cp->regs + REG_RX_CFG); + + val = (unsigned long) cp->init_rxds[0] - + (unsigned long) cp->init_block; + writel((desc_dma + val) >> 32, cp->regs + REG_RX_DB_HI); + writel((desc_dma + val) & 0xffffffff, cp->regs + REG_RX_DB_LOW); + writel(RX_DESC_RINGN_SIZE(0) - 4, cp->regs + REG_RX_KICK); + + if (cp->cas_flags & CAS_FLAG_REG_PLUS) { + /* rx desc 2 is for IPSEC packets. however, + * we don't it that for that purpose. + */ + val = (unsigned long) cp->init_rxds[1] - + (unsigned long) cp->init_block; + writel((desc_dma + val) >> 32, cp->regs + REG_PLUS_RX_DB1_HI); + writel((desc_dma + val) & 0xffffffff, cp->regs + + REG_PLUS_RX_DB1_LOW); + writel(RX_DESC_RINGN_SIZE(1) - 4, cp->regs + + REG_PLUS_RX_KICK1); + } + + /* rx completion registers */ + val = (unsigned long) cp->init_rxcs[0] - + (unsigned long) cp->init_block; + writel((desc_dma + val) >> 32, cp->regs + REG_RX_CB_HI); + writel((desc_dma + val) & 0xffffffff, cp->regs + REG_RX_CB_LOW); + + if (cp->cas_flags & CAS_FLAG_REG_PLUS) { + /* rx comp 2-4 */ + for (i = 1; i < MAX_RX_COMP_RINGS; i++) { + val = (unsigned long) cp->init_rxcs[i] - + (unsigned long) cp->init_block; + writel((desc_dma + val) >> 32, cp->regs + + REG_PLUS_RX_CBN_HI(i)); + writel((desc_dma + val) & 0xffffffff, cp->regs + + REG_PLUS_RX_CBN_LOW(i)); + } + } + + /* read selective clear regs to prevent spurious interrupts + * on reset because complete == kick. + * selective clear set up to prevent interrupts on resets + */ + readl(cp->regs + REG_INTR_STATUS_ALIAS); + writel(INTR_RX_DONE | INTR_RX_BUF_UNAVAIL, cp->regs + REG_ALIAS_CLEAR); + if (cp->cas_flags & CAS_FLAG_REG_PLUS) { + for (i = 1; i < N_RX_COMP_RINGS; i++) + readl(cp->regs + REG_PLUS_INTRN_STATUS_ALIAS(i)); + + /* 2 is different from 3 and 4 */ + if (N_RX_COMP_RINGS > 1) + writel(INTR_RX_DONE_ALT | INTR_RX_BUF_UNAVAIL_1, + cp->regs + REG_PLUS_ALIASN_CLEAR(1)); + + for (i = 2; i < N_RX_COMP_RINGS; i++) + writel(INTR_RX_DONE_ALT, + cp->regs + REG_PLUS_ALIASN_CLEAR(i)); + } + + /* set up pause thresholds */ + val = CAS_BASE(RX_PAUSE_THRESH_OFF, + cp->rx_pause_off / RX_PAUSE_THRESH_QUANTUM); + val |= CAS_BASE(RX_PAUSE_THRESH_ON, + cp->rx_pause_on / RX_PAUSE_THRESH_QUANTUM); + writel(val, cp->regs + REG_RX_PAUSE_THRESH); + + /* zero out dma reassembly buffers */ + for (i = 0; i < 64; i++) { + writel(i, cp->regs + REG_RX_TABLE_ADDR); + writel(0x0, cp->regs + REG_RX_TABLE_DATA_LOW); + writel(0x0, cp->regs + REG_RX_TABLE_DATA_MID); + writel(0x0, cp->regs + REG_RX_TABLE_DATA_HI); + } + + /* make sure address register is 0 for normal operation */ + writel(0x0, cp->regs + REG_RX_CTRL_FIFO_ADDR); + writel(0x0, cp->regs + REG_RX_IPP_FIFO_ADDR); + + /* interrupt mitigation */ +#ifdef USE_RX_BLANK + val = CAS_BASE(RX_BLANK_INTR_TIME, RX_BLANK_INTR_TIME_VAL); + val |= CAS_BASE(RX_BLANK_INTR_PKT, RX_BLANK_INTR_PKT_VAL); + writel(val, cp->regs + REG_RX_BLANK); +#else + writel(0x0, cp->regs + REG_RX_BLANK); +#endif + + /* interrupt generation as a function of low water marks for + * free desc and completion entries. these are used to trigger + * housekeeping for rx descs. we don't use the free interrupt + * as it's not very useful + */ + /* val = CAS_BASE(RX_AE_THRESH_FREE, RX_AE_FREEN_VAL(0)); */ + val = CAS_BASE(RX_AE_THRESH_COMP, RX_AE_COMP_VAL); + writel(val, cp->regs + REG_RX_AE_THRESH); + if (cp->cas_flags & CAS_FLAG_REG_PLUS) { + val = CAS_BASE(RX_AE1_THRESH_FREE, RX_AE_FREEN_VAL(1)); + writel(val, cp->regs + REG_PLUS_RX_AE1_THRESH); + } + + /* Random early detect registers. useful for congestion avoidance. + * this should be tunable. + */ + writel(0x0, cp->regs + REG_RX_RED); + + /* receive page sizes. default == 2K (0x800) */ + val = 0; + if (cp->page_size == 0x1000) + val = 0x1; + else if (cp->page_size == 0x2000) + val = 0x2; + else if (cp->page_size == 0x4000) + val = 0x3; + + /* round mtu + offset. constrain to page size. */ + size = cp->dev->mtu + 64; + if (size > cp->page_size) + size = cp->page_size; + + if (size <= 0x400) + i = 0x0; + else if (size <= 0x800) + i = 0x1; + else if (size <= 0x1000) + i = 0x2; + else + i = 0x3; + + cp->mtu_stride = 1 << (i + 10); + val = CAS_BASE(RX_PAGE_SIZE, val); + val |= CAS_BASE(RX_PAGE_SIZE_MTU_STRIDE, i); + val |= CAS_BASE(RX_PAGE_SIZE_MTU_COUNT, cp->page_size >> (i + 10)); + val |= CAS_BASE(RX_PAGE_SIZE_MTU_OFF, 0x1); + writel(val, cp->regs + REG_RX_PAGE_SIZE); + + /* enable the header parser if desired */ + if (CAS_HP_FIRMWARE == cas_prog_null) + return; + + val = CAS_BASE(HP_CFG_NUM_CPU, CAS_NCPUS > 63 ? 0 : CAS_NCPUS); + val |= HP_CFG_PARSE_EN | HP_CFG_SYN_INC_MASK; + val |= CAS_BASE(HP_CFG_TCP_THRESH, HP_TCP_THRESH_VAL); + writel(val, cp->regs + REG_HP_CFG); +} + +static inline void cas_rxc_init(struct cas_rx_comp *rxc) +{ + memset(rxc, 0, sizeof(*rxc)); + rxc->word4 = cpu_to_le64(RX_COMP4_ZERO); +} + +/* NOTE: we use the ENC RX DESC ring for spares. the rx_page[0,1] + * flipping is protected by the fact that the chip will not + * hand back the same page index while it's being processed. + */ +static inline cas_page_t *cas_page_spare(struct cas *cp, const int index) +{ + cas_page_t *page = cp->rx_pages[1][index]; + cas_page_t *new; + + if (page_count(page->buffer) == 1) + return page; + + new = cas_page_dequeue(cp); + if (new) { + spin_lock(&cp->rx_inuse_lock); + list_add(&page->list, &cp->rx_inuse_list); + spin_unlock(&cp->rx_inuse_lock); + } + return new; +} + +/* this needs to be changed if we actually use the ENC RX DESC ring */ +static cas_page_t *cas_page_swap(struct cas *cp, const int ring, + const int index) +{ + cas_page_t **page0 = cp->rx_pages[0]; + cas_page_t **page1 = cp->rx_pages[1]; + + /* swap if buffer is in use */ + if (page_count(page0[index]->buffer) > 1) { + cas_page_t *new = cas_page_spare(cp, index); + if (new) { + page1[index] = page0[index]; + page0[index] = new; + } + } + RX_USED_SET(page0[index], 0); + return page0[index]; +} + +static void cas_clean_rxds(struct cas *cp) +{ + /* only clean ring 0 as ring 1 is used for spare buffers */ + struct cas_rx_desc *rxd = cp->init_rxds[0]; + int i, size; + + /* release all rx flows */ + for (i = 0; i < N_RX_FLOWS; i++) { + struct sk_buff *skb; + while ((skb = __skb_dequeue(&cp->rx_flows[i]))) { + cas_skb_release(skb); + } + } + + /* initialize descriptors */ + size = RX_DESC_RINGN_SIZE(0); + for (i = 0; i < size; i++) { + cas_page_t *page = cas_page_swap(cp, 0, i); + rxd[i].buffer = cpu_to_le64(page->dma_addr); + rxd[i].index = cpu_to_le64(CAS_BASE(RX_INDEX_NUM, i) | + CAS_BASE(RX_INDEX_RING, 0)); + } + + cp->rx_old[0] = RX_DESC_RINGN_SIZE(0) - 4; + cp->rx_last[0] = 0; + cp->cas_flags &= ~CAS_FLAG_RXD_POST(0); +} + +static void cas_clean_rxcs(struct cas *cp) +{ + int i, j; + + /* take ownership of rx comp descriptors */ + memset(cp->rx_cur, 0, sizeof(*cp->rx_cur)*N_RX_COMP_RINGS); + memset(cp->rx_new, 0, sizeof(*cp->rx_new)*N_RX_COMP_RINGS); + for (i = 0; i < N_RX_COMP_RINGS; i++) { + struct cas_rx_comp *rxc = cp->init_rxcs[i]; + for (j = 0; j < RX_COMP_RINGN_SIZE(i); j++) { + cas_rxc_init(rxc + j); + } + } +} + +#if 0 +/* When we get a RX fifo overflow, the RX unit is probably hung + * so we do the following. + * + * If any part of the reset goes wrong, we return 1 and that causes the + * whole chip to be reset. + */ +static int cas_rxmac_reset(struct cas *cp) +{ + struct net_device *dev = cp->dev; + int limit; + u32 val; + + /* First, reset MAC RX. */ + writel(cp->mac_rx_cfg & ~MAC_RX_CFG_EN, cp->regs + REG_MAC_RX_CFG); + for (limit = 0; limit < STOP_TRIES; limit++) { + if (!(readl(cp->regs + REG_MAC_RX_CFG) & MAC_RX_CFG_EN)) + break; + udelay(10); + } + if (limit == STOP_TRIES) { + printk(KERN_ERR "%s: RX MAC will not disable, resetting whole " + "chip.\n", dev->name); + return 1; + } + + /* Second, disable RX DMA. */ + writel(0, cp->regs + REG_RX_CFG); + for (limit = 0; limit < STOP_TRIES; limit++) { + if (!(readl(cp->regs + REG_RX_CFG) & RX_CFG_DMA_EN)) + break; + udelay(10); + } + if (limit == STOP_TRIES) { + printk(KERN_ERR "%s: RX DMA will not disable, resetting whole " + "chip.\n", dev->name); + return 1; + } + + mdelay(5); + + /* Execute RX reset command. */ + writel(SW_RESET_RX, cp->regs + REG_SW_RESET); + for (limit = 0; limit < STOP_TRIES; limit++) { + if (!(readl(cp->regs + REG_SW_RESET) & SW_RESET_RX)) + break; + udelay(10); + } + if (limit == STOP_TRIES) { + printk(KERN_ERR "%s: RX reset command will not execute, " + "resetting whole chip.\n", dev->name); + return 1; + } + + /* reset driver rx state */ + cas_clean_rxds(cp); + cas_clean_rxcs(cp); + + /* Now, reprogram the rest of RX unit. */ + cas_init_rx_dma(cp); + + /* re-enable */ + val = readl(cp->regs + REG_RX_CFG); + writel(val | RX_CFG_DMA_EN, cp->regs + REG_RX_CFG); + writel(MAC_RX_FRAME_RECV, cp->regs + REG_MAC_RX_MASK); + val = readl(cp->regs + REG_MAC_RX_CFG); + writel(val | MAC_RX_CFG_EN, cp->regs + REG_MAC_RX_CFG); + return 0; +} +#endif + +static int cas_rxmac_interrupt(struct net_device *dev, struct cas *cp, + u32 status) +{ + u32 stat = readl(cp->regs + REG_MAC_RX_STATUS); + + if (!stat) + return 0; + + if (netif_msg_intr(cp)) + printk(KERN_DEBUG "%s: rxmac interrupt, stat: 0x%x\n", + cp->dev->name, stat); + + /* these are all rollovers */ + spin_lock(&cp->stat_lock[0]); + if (stat & MAC_RX_ALIGN_ERR) + cp->net_stats[0].rx_frame_errors += 0x10000; + + if (stat & MAC_RX_CRC_ERR) + cp->net_stats[0].rx_crc_errors += 0x10000; + + if (stat & MAC_RX_LEN_ERR) + cp->net_stats[0].rx_length_errors += 0x10000; + + if (stat & MAC_RX_OVERFLOW) { + cp->net_stats[0].rx_over_errors++; + cp->net_stats[0].rx_fifo_errors++; + } + + /* We do not track MAC_RX_FRAME_COUNT and MAC_RX_VIOL_ERR + * events. + */ + spin_unlock(&cp->stat_lock[0]); + return 0; +} + +static int cas_mac_interrupt(struct net_device *dev, struct cas *cp, + u32 status) +{ + u32 stat = readl(cp->regs + REG_MAC_CTRL_STATUS); + + if (!stat) + return 0; + + if (netif_msg_intr(cp)) + printk(KERN_DEBUG "%s: mac interrupt, stat: 0x%x\n", + cp->dev->name, stat); + + /* This interrupt is just for pause frame and pause + * tracking. It is useful for diagnostics and debug + * but probably by default we will mask these events. + */ + if (stat & MAC_CTRL_PAUSE_STATE) + cp->pause_entered++; + + if (stat & MAC_CTRL_PAUSE_RECEIVED) + cp->pause_last_time_recvd = (stat >> 16); + + return 0; +} + + +/* Must be invoked under cp->lock. */ +static inline int cas_mdio_link_not_up(struct cas *cp) +{ + u16 val; + + switch (cp->lstate) { + case link_force_ret: + if (netif_msg_link(cp)) + printk(KERN_INFO "%s: Autoneg failed again, keeping" + " forced mode\n", cp->dev->name); + cas_phy_write(cp, MII_BMCR, cp->link_fcntl); + cp->timer_ticks = 5; + cp->lstate = link_force_ok; + cp->link_transition = LINK_TRANSITION_LINK_CONFIG; + break; + + case link_aneg: + val = cas_phy_read(cp, MII_BMCR); + + /* Try forced modes. we try things in the following order: + * 1000 full -> 100 full/half -> 10 half + */ + val &= ~(BMCR_ANRESTART | BMCR_ANENABLE); + val |= BMCR_FULLDPLX; + val |= (cp->cas_flags & CAS_FLAG_1000MB_CAP) ? + CAS_BMCR_SPEED1000 : BMCR_SPEED100; + cas_phy_write(cp, MII_BMCR, val); + cp->timer_ticks = 5; + cp->lstate = link_force_try; + cp->link_transition = LINK_TRANSITION_LINK_CONFIG; + break; + + case link_force_try: + /* Downgrade from 1000 to 100 to 10 Mbps if necessary. */ + val = cas_phy_read(cp, MII_BMCR); + cp->timer_ticks = 5; + if (val & CAS_BMCR_SPEED1000) { /* gigabit */ + val &= ~CAS_BMCR_SPEED1000; + val |= (BMCR_SPEED100 | BMCR_FULLDPLX); + cas_phy_write(cp, MII_BMCR, val); + break; + } + + if (val & BMCR_SPEED100) { + if (val & BMCR_FULLDPLX) /* fd failed */ + val &= ~BMCR_FULLDPLX; + else { /* 100Mbps failed */ + val &= ~BMCR_SPEED100; + } + cas_phy_write(cp, MII_BMCR, val); + break; + } + default: + break; + } + return 0; +} + + +/* must be invoked with cp->lock held */ +static int cas_mii_link_check(struct cas *cp, const u16 bmsr) +{ + int restart; + + if (bmsr & BMSR_LSTATUS) { + /* Ok, here we got a link. If we had it due to a forced + * fallback, and we were configured for autoneg, we + * retry a short autoneg pass. If you know your hub is + * broken, use ethtool ;) + */ + if ((cp->lstate == link_force_try) && + (cp->link_cntl & BMCR_ANENABLE)) { + cp->lstate = link_force_ret; + cp->link_transition = LINK_TRANSITION_LINK_CONFIG; + cas_mif_poll(cp, 0); + cp->link_fcntl = cas_phy_read(cp, MII_BMCR); + cp->timer_ticks = 5; + if (cp->opened && netif_msg_link(cp)) + printk(KERN_INFO "%s: Got link after fallback, retrying" + " autoneg once...\n", cp->dev->name); + cas_phy_write(cp, MII_BMCR, + cp->link_fcntl | BMCR_ANENABLE | + BMCR_ANRESTART); + cas_mif_poll(cp, 1); + + } else if (cp->lstate != link_up) { + cp->lstate = link_up; + cp->link_transition = LINK_TRANSITION_LINK_UP; + + if (cp->opened) { + cas_set_link_modes(cp); + netif_carrier_on(cp->dev); + } + } + return 0; + } + + /* link not up. if the link was previously up, we restart the + * whole process + */ + restart = 0; + if (cp->lstate == link_up) { + cp->lstate = link_down; + cp->link_transition = LINK_TRANSITION_LINK_DOWN; + + netif_carrier_off(cp->dev); + if (cp->opened && netif_msg_link(cp)) + printk(KERN_INFO "%s: Link down\n", + cp->dev->name); + restart = 1; + + } else if (++cp->timer_ticks > 10) + cas_mdio_link_not_up(cp); + + return restart; +} + +static int cas_mif_interrupt(struct net_device *dev, struct cas *cp, + u32 status) +{ + u32 stat = readl(cp->regs + REG_MIF_STATUS); + u16 bmsr; + + /* check for a link change */ + if (CAS_VAL(MIF_STATUS_POLL_STATUS, stat) == 0) + return 0; + + bmsr = CAS_VAL(MIF_STATUS_POLL_DATA, stat); + return cas_mii_link_check(cp, bmsr); +} + +static int cas_pci_interrupt(struct net_device *dev, struct cas *cp, + u32 status) +{ + u32 stat = readl(cp->regs + REG_PCI_ERR_STATUS); + + if (!stat) + return 0; + + printk(KERN_ERR "%s: PCI error [%04x:%04x] ", dev->name, stat, + readl(cp->regs + REG_BIM_DIAG)); + + /* cassini+ has this reserved */ + if ((stat & PCI_ERR_BADACK) && + ((cp->cas_flags & CAS_FLAG_REG_PLUS) == 0)) + printk("<No ACK64# during ABS64 cycle> "); + + if (stat & PCI_ERR_DTRTO) + printk("<Delayed transaction timeout> "); + if (stat & PCI_ERR_OTHER) + printk("<other> "); + if (stat & PCI_ERR_BIM_DMA_WRITE) + printk("<BIM DMA 0 write req> "); + if (stat & PCI_ERR_BIM_DMA_READ) + printk("<BIM DMA 0 read req> "); + printk("\n"); + + if (stat & PCI_ERR_OTHER) { + u16 cfg; + + /* Interrogate PCI config space for the + * true cause. + */ + pci_read_config_word(cp->pdev, PCI_STATUS, &cfg); + printk(KERN_ERR "%s: Read PCI cfg space status [%04x]\n", + dev->name, cfg); + if (cfg & PCI_STATUS_PARITY) + printk(KERN_ERR "%s: PCI parity error detected.\n", + dev->name); + if (cfg & PCI_STATUS_SIG_TARGET_ABORT) + printk(KERN_ERR "%s: PCI target abort.\n", + dev->name); + if (cfg & PCI_STATUS_REC_TARGET_ABORT) + printk(KERN_ERR "%s: PCI master acks target abort.\n", + dev->name); + if (cfg & PCI_STATUS_REC_MASTER_ABORT) + printk(KERN_ERR "%s: PCI master abort.\n", dev->name); + if (cfg & PCI_STATUS_SIG_SYSTEM_ERROR) + printk(KERN_ERR "%s: PCI system error SERR#.\n", + dev->name); + if (cfg & PCI_STATUS_DETECTED_PARITY) + printk(KERN_ERR "%s: PCI parity error.\n", + dev->name); + + /* Write the error bits back to clear them. */ + cfg &= (PCI_STATUS_PARITY | + PCI_STATUS_SIG_TARGET_ABORT | + PCI_STATUS_REC_TARGET_ABORT | + PCI_STATUS_REC_MASTER_ABORT | + PCI_STATUS_SIG_SYSTEM_ERROR | + PCI_STATUS_DETECTED_PARITY); + pci_write_config_word(cp->pdev, PCI_STATUS, cfg); + } + + /* For all PCI errors, we should reset the chip. */ + return 1; +} + +/* All non-normal interrupt conditions get serviced here. + * Returns non-zero if we should just exit the interrupt + * handler right now (ie. if we reset the card which invalidates + * all of the other original irq status bits). + */ +static int cas_abnormal_irq(struct net_device *dev, struct cas *cp, + u32 status) +{ + if (status & INTR_RX_TAG_ERROR) { + /* corrupt RX tag framing */ + if (netif_msg_rx_err(cp)) + printk(KERN_DEBUG "%s: corrupt rx tag framing\n", + cp->dev->name); + spin_lock(&cp->stat_lock[0]); + cp->net_stats[0].rx_errors++; + spin_unlock(&cp->stat_lock[0]); + goto do_reset; + } + + if (status & INTR_RX_LEN_MISMATCH) { + /* length mismatch. */ + if (netif_msg_rx_err(cp)) + printk(KERN_DEBUG "%s: length mismatch for rx frame\n", + cp->dev->name); + spin_lock(&cp->stat_lock[0]); + cp->net_stats[0].rx_errors++; + spin_unlock(&cp->stat_lock[0]); + goto do_reset; + } + + if (status & INTR_PCS_STATUS) { + if (cas_pcs_interrupt(dev, cp, status)) + goto do_reset; + } + + if (status & INTR_TX_MAC_STATUS) { + if (cas_txmac_interrupt(dev, cp, status)) + goto do_reset; + } + + if (status & INTR_RX_MAC_STATUS) { + if (cas_rxmac_interrupt(dev, cp, status)) + goto do_reset; + } + + if (status & INTR_MAC_CTRL_STATUS) { + if (cas_mac_interrupt(dev, cp, status)) + goto do_reset; + } + + if (status & INTR_MIF_STATUS) { + if (cas_mif_interrupt(dev, cp, status)) + goto do_reset; + } + + if (status & INTR_PCI_ERROR_STATUS) { + if (cas_pci_interrupt(dev, cp, status)) + goto do_reset; + } + return 0; + +do_reset: +#if 1 + atomic_inc(&cp->reset_task_pending); + atomic_inc(&cp->reset_task_pending_all); + printk(KERN_ERR "%s:reset called in cas_abnormal_irq [0x%x]\n", + dev->name, status); + schedule_work(&cp->reset_task); +#else + atomic_set(&cp->reset_task_pending, CAS_RESET_ALL); + printk(KERN_ERR "reset called in cas_abnormal_irq\n"); + schedule_work(&cp->reset_task); +#endif + return 1; +} + +/* NOTE: CAS_TABORT returns 1 or 2 so that it can be used when + * determining whether to do a netif_stop/wakeup + */ +#define CAS_TABORT(x) (((x)->cas_flags & CAS_FLAG_TARGET_ABORT) ? 2 : 1) +#define CAS_ROUND_PAGE(x) (((x) + PAGE_SIZE - 1) & PAGE_MASK) +static inline int cas_calc_tabort(struct cas *cp, const unsigned long addr, + const int len) +{ + unsigned long off = addr + len; + + if (CAS_TABORT(cp) == 1) + return 0; + if ((CAS_ROUND_PAGE(off) - off) > TX_TARGET_ABORT_LEN) + return 0; + return TX_TARGET_ABORT_LEN; +} + +static inline void cas_tx_ringN(struct cas *cp, int ring, int limit) +{ + struct cas_tx_desc *txds; + struct sk_buff **skbs; + struct net_device *dev = cp->dev; + int entry, count; + + spin_lock(&cp->tx_lock[ring]); + txds = cp->init_txds[ring]; + skbs = cp->tx_skbs[ring]; + entry = cp->tx_old[ring]; + + count = TX_BUFF_COUNT(ring, entry, limit); + while (entry != limit) { + struct sk_buff *skb = skbs[entry]; + dma_addr_t daddr; + u32 dlen; + int frag; + + if (!skb) { + /* this should never occur */ + entry = TX_DESC_NEXT(ring, entry); + continue; + } + + /* however, we might get only a partial skb release. */ + count -= skb_shinfo(skb)->nr_frags + + + cp->tx_tiny_use[ring][entry].nbufs + 1; + if (count < 0) + break; + + if (netif_msg_tx_done(cp)) + printk(KERN_DEBUG "%s: tx[%d] done, slot %d\n", + cp->dev->name, ring, entry); + + skbs[entry] = NULL; + cp->tx_tiny_use[ring][entry].nbufs = 0; + + for (frag = 0; frag <= skb_shinfo(skb)->nr_frags; frag++) { + struct cas_tx_desc *txd = txds + entry; + + daddr = le64_to_cpu(txd->buffer); + dlen = CAS_VAL(TX_DESC_BUFLEN, + le64_to_cpu(txd->control)); + pci_unmap_page(cp->pdev, daddr, dlen, + PCI_DMA_TODEVICE); + entry = TX_DESC_NEXT(ring, entry); + + /* tiny buffer may follow */ + if (cp->tx_tiny_use[ring][entry].used) { + cp->tx_tiny_use[ring][entry].used = 0; + entry = TX_DESC_NEXT(ring, entry); + } + } + + spin_lock(&cp->stat_lock[ring]); + cp->net_stats[ring].tx_packets++; + cp->net_stats[ring].tx_bytes += skb->len; + spin_unlock(&cp->stat_lock[ring]); + dev_kfree_skb_irq(skb); + } + cp->tx_old[ring] = entry; + + /* this is wrong for multiple tx rings. the net device needs + * multiple queues for this to do the right thing. we wait + * for 2*packets to be available when using tiny buffers + */ + if (netif_queue_stopped(dev) && + (TX_BUFFS_AVAIL(cp, ring) > CAS_TABORT(cp)*(MAX_SKB_FRAGS + 1))) + netif_wake_queue(dev); + spin_unlock(&cp->tx_lock[ring]); +} + +static void cas_tx(struct net_device *dev, struct cas *cp, + u32 status) +{ + int limit, ring; +#ifdef USE_TX_COMPWB + u64 compwb = le64_to_cpu(cp->init_block->tx_compwb); +#endif + if (netif_msg_intr(cp)) + printk(KERN_DEBUG "%s: tx interrupt, status: 0x%x, %lx\n", + cp->dev->name, status, compwb); + /* process all the rings */ + for (ring = 0; ring < N_TX_RINGS; ring++) { +#ifdef USE_TX_COMPWB + /* use the completion writeback registers */ + limit = (CAS_VAL(TX_COMPWB_MSB, compwb) << 8) | + CAS_VAL(TX_COMPWB_LSB, compwb); + compwb = TX_COMPWB_NEXT(compwb); +#else + limit = readl(cp->regs + REG_TX_COMPN(ring)); +#endif + if (cp->tx_old[ring] != limit) + cas_tx_ringN(cp, ring, limit); + } +} + + +static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc, + int entry, const u64 *words, + struct sk_buff **skbref) +{ + int dlen, hlen, len, i, alloclen; + int off, swivel = RX_SWIVEL_OFF_VAL; + struct cas_page *page; + struct sk_buff *skb; + void *addr, *crcaddr; + char *p; + + hlen = CAS_VAL(RX_COMP2_HDR_SIZE, words[1]); + dlen = CAS_VAL(RX_COMP1_DATA_SIZE, words[0]); + len = hlen + dlen; + + if (RX_COPY_ALWAYS || (words[2] & RX_COMP3_SMALL_PKT)) + alloclen = len; + else + alloclen = max(hlen, RX_COPY_MIN); + + skb = dev_alloc_skb(alloclen + swivel + cp->crc_size); + if (skb == NULL) + return -1; + + *skbref = skb; + skb->dev = cp->dev; + skb_reserve(skb, swivel); + + p = skb->data; + addr = crcaddr = NULL; + if (hlen) { /* always copy header pages */ + i = CAS_VAL(RX_COMP2_HDR_INDEX, words[1]); + page = cp->rx_pages[CAS_VAL(RX_INDEX_RING, i)][CAS_VAL(RX_INDEX_NUM, i)]; + off = CAS_VAL(RX_COMP2_HDR_OFF, words[1]) * 0x100 + + swivel; + + i = hlen; + if (!dlen) /* attach FCS */ + i += cp->crc_size; + pci_dma_sync_single_for_cpu(cp->pdev, page->dma_addr + off, i, + PCI_DMA_FROMDEVICE); + addr = cas_page_map(page->buffer); + memcpy(p, addr + off, i); + pci_dma_sync_single_for_device(cp->pdev, page->dma_addr + off, i, + PCI_DMA_FROMDEVICE); + cas_page_unmap(addr); + RX_USED_ADD(page, 0x100); + p += hlen; + swivel = 0; + } + + + if (alloclen < (hlen + dlen)) { + skb_frag_t *frag = skb_shinfo(skb)->frags; + + /* normal or jumbo packets. we use frags */ + i = CAS_VAL(RX_COMP1_DATA_INDEX, words[0]); + page = cp->rx_pages[CAS_VAL(RX_INDEX_RING, i)][CAS_VAL(RX_INDEX_NUM, i)]; + off = CAS_VAL(RX_COMP1_DATA_OFF, words[0]) + swivel; + + hlen = min(cp->page_size - off, dlen); + if (hlen < 0) { + if (netif_msg_rx_err(cp)) { + printk(KERN_DEBUG "%s: rx page overflow: " + "%d\n", cp->dev->name, hlen); + } + dev_kfree_skb_irq(skb); + return -1; + } + i = hlen; + if (i == dlen) /* attach FCS */ + i += cp->crc_size; + pci_dma_sync_single_for_cpu(cp->pdev, page->dma_addr + off, i, + PCI_DMA_FROMDEVICE); + + /* make sure we always copy a header */ + swivel = 0; + if (p == (char *) skb->data) { /* not split */ + addr = cas_page_map(page->buffer); + memcpy(p, addr + off, RX_COPY_MIN); + pci_dma_sync_single_for_device(cp->pdev, page->dma_addr + off, i, + PCI_DMA_FROMDEVICE); + cas_page_unmap(addr); + off += RX_COPY_MIN; + swivel = RX_COPY_MIN; + RX_USED_ADD(page, cp->mtu_stride); + } else { + RX_USED_ADD(page, hlen); + } + skb_put(skb, alloclen); + + skb_shinfo(skb)->nr_frags++; + skb->data_len += hlen - swivel; + skb->len += hlen - swivel; + + get_page(page->buffer); + frag->page = page->buffer; + frag->page_offset = off; + frag->size = hlen - swivel; + + /* any more data? */ + if ((words[0] & RX_COMP1_SPLIT_PKT) && ((dlen -= hlen) > 0)) { + hlen = dlen; + off = 0; + + i = CAS_VAL(RX_COMP2_NEXT_INDEX, words[1]); + page = cp->rx_pages[CAS_VAL(RX_INDEX_RING, i)][CAS_VAL(RX_INDEX_NUM, i)]; + pci_dma_sync_single_for_cpu(cp->pdev, page->dma_addr, + hlen + cp->crc_size, + PCI_DMA_FROMDEVICE); + pci_dma_sync_single_for_device(cp->pdev, page->dma_addr, + hlen + cp->crc_size, + PCI_DMA_FROMDEVICE); + + skb_shinfo(skb)->nr_frags++; + skb->data_len += hlen; + skb->len += hlen; + frag++; + + get_page(page->buffer); + frag->page = page->buffer; + frag->page_offset = 0; + frag->size = hlen; + RX_USED_ADD(page, hlen + cp->crc_size); + } + + if (cp->crc_size) { + addr = cas_page_map(page->buffer); + crcaddr = addr + off + hlen; + } + + } else { + /* copying packet */ + if (!dlen) + goto end_copy_pkt; + + i = CAS_VAL(RX_COMP1_DATA_INDEX, words[0]); + page = cp->rx_pages[CAS_VAL(RX_INDEX_RING, i)][CAS_VAL(RX_INDEX_NUM, i)]; + off = CAS_VAL(RX_COMP1_DATA_OFF, words[0]) + swivel; + hlen = min(cp->page_size - off, dlen); + if (hlen < 0) { + if (netif_msg_rx_err(cp)) { + printk(KERN_DEBUG "%s: rx page overflow: " + "%d\n", cp->dev->name, hlen); + } + dev_kfree_skb_irq(skb); + return -1; + } + i = hlen; + if (i == dlen) /* attach FCS */ + i += cp->crc_size; + pci_dma_sync_single_for_cpu(cp->pdev, page->dma_addr + off, i, + PCI_DMA_FROMDEVICE); + addr = cas_page_map(page->buffer); + memcpy(p, addr + off, i); + pci_dma_sync_single_for_device(cp->pdev, page->dma_addr + off, i, + PCI_DMA_FROMDEVICE); + cas_page_unmap(addr); + if (p == (char *) skb->data) /* not split */ + RX_USED_ADD(page, cp->mtu_stride); + else + RX_USED_ADD(page, i); + + /* any more data? */ + if ((words[0] & RX_COMP1_SPLIT_PKT) && ((dlen -= hlen) > 0)) { + p += hlen; + i = CAS_VAL(RX_COMP2_NEXT_INDEX, words[1]); + page = cp->rx_pages[CAS_VAL(RX_INDEX_RING, i)][CAS_VAL(RX_INDEX_NUM, i)]; + pci_dma_sync_single_for_cpu(cp->pdev, page->dma_addr, + dlen + cp->crc_size, + PCI_DMA_FROMDEVICE); + addr = cas_page_map(page->buffer); + memcpy(p, addr, dlen + cp->crc_size); + pci_dma_sync_single_for_device(cp->pdev, page->dma_addr, + dlen + cp->crc_size, + PCI_DMA_FROMDEVICE); + cas_page_unmap(addr); + RX_USED_ADD(page, dlen + cp->crc_size); + } +end_copy_pkt: + if (cp->crc_size) { + addr = NULL; + crcaddr = skb->data + alloclen; + } + skb_put(skb, alloclen); + } + + i = CAS_VAL(RX_COMP4_TCP_CSUM, words[3]); + if (cp->crc_size) { + /* checksum includes FCS. strip it out. */ + i = csum_fold(csum_partial(crcaddr, cp->crc_size, i)); + if (addr) + cas_page_unmap(addr); + } + skb->csum = ntohs(i ^ 0xffff); + skb->ip_summed = CHECKSUM_HW; + skb->protocol = eth_type_trans(skb, cp->dev); + return len; +} + + +/* we can handle up to 64 rx flows at a time. we do the same thing + * as nonreassm except that we batch up the buffers. + * NOTE: we currently just treat each flow as a bunch of packets that + * we pass up. a better way would be to coalesce the packets + * into a jumbo packet. to do that, we need to do the following: + * 1) the first packet will have a clean split between header and + * data. save both. + * 2) each time the next flow packet comes in, extend the + * data length and merge the checksums. + * 3) on flow release, fix up the header. + * 4) make sure the higher layer doesn't care. + * because packets get coalesced, we shouldn't run into fragment count + * issues. + */ +static inline void cas_rx_flow_pkt(struct cas *cp, const u64 *words, + struct sk_buff *skb) +{ + int flowid = CAS_VAL(RX_COMP3_FLOWID, words[2]) & (N_RX_FLOWS - 1); + struct sk_buff_head *flow = &cp->rx_flows[flowid]; + + /* this is protected at a higher layer, so no need to + * do any additional locking here. stick the buffer + * at the end. + */ + __skb_insert(skb, flow->prev, (struct sk_buff *) flow, flow); + if (words[0] & RX_COMP1_RELEASE_FLOW) { + while ((skb = __skb_dequeue(flow))) { + cas_skb_release(skb); + } + } +} + +/* put rx descriptor back on ring. if a buffer is in use by a higher + * layer, this will need to put in a replacement. + */ +static void cas_post_page(struct cas *cp, const int ring, const int index) +{ + cas_page_t *new; + int entry; + + entry = cp->rx_old[ring]; + + new = cas_page_swap(cp, ring, index); + cp->init_rxds[ring][entry].buffer = cpu_to_le64(new->dma_addr); + cp->init_rxds[ring][entry].index = + cpu_to_le64(CAS_BASE(RX_INDEX_NUM, index) | + CAS_BASE(RX_INDEX_RING, ring)); + + entry = RX_DESC_ENTRY(ring, entry + 1); + cp->rx_old[ring] = entry; + + if (entry % 4) + return; + + if (ring == 0) + writel(entry, cp->regs + REG_RX_KICK); + else if ((N_RX_DESC_RINGS > 1) && + (cp->cas_flags & CAS_FLAG_REG_PLUS)) + writel(entry, cp->regs + REG_PLUS_RX_KICK1); +} + + +/* only when things are bad */ +static int cas_post_rxds_ringN(struct cas *cp, int ring, int num) +{ + unsigned int entry, last, count, released; + int cluster; + cas_page_t **page = cp->rx_pages[ring]; + + entry = cp->rx_old[ring]; + + if (netif_msg_intr(cp)) + printk(KERN_DEBUG "%s: rxd[%d] interrupt, done: %d\n", + cp->dev->name, ring, entry); + + cluster = -1; + count = entry & 0x3; + last = RX_DESC_ENTRY(ring, num ? entry + num - 4: entry - 4); + released = 0; + while (entry != last) { + /* make a new buffer if it's still in use */ + if (page_count(page[entry]->buffer) > 1) { + cas_page_t *new = cas_page_dequeue(cp); + if (!new) { + /* let the timer know that we need to + * do this again + */ + cp->cas_flags |= CAS_FLAG_RXD_POST(ring); + if (!timer_pending(&cp->link_timer)) + mod_timer(&cp->link_timer, jiffies + + CAS_LINK_FAST_TIMEOUT); + cp->rx_old[ring] = entry; + cp->rx_last[ring] = num ? num - released : 0; + return -ENOMEM; + } + spin_lock(&cp->rx_inuse_lock); + list_add(&page[entry]->list, &cp->rx_inuse_list); + spin_unlock(&cp->rx_inuse_lock); + cp->init_rxds[ring][entry].buffer = + cpu_to_le64(new->dma_addr); + page[entry] = new; + + } + + if (++count == 4) { + cluster = entry; + count = 0; + } + released++; + entry = RX_DESC_ENTRY(ring, entry + 1); + } + cp->rx_old[ring] = entry; + + if (cluster < 0) + return 0; + + if (ring == 0) + writel(cluster, cp->regs + REG_RX_KICK); + else if ((N_RX_DESC_RINGS > 1) && + (cp->cas_flags & CAS_FLAG_REG_PLUS)) + writel(cluster, cp->regs + REG_PLUS_RX_KICK1); + return 0; +} + + +/* process a completion ring. packets are set up in three basic ways: + * small packets: should be copied header + data in single buffer. + * large packets: header and data in a single buffer. + * split packets: header in a separate buffer from data. + * data may be in multiple pages. data may be > 256 + * bytes but in a single page. + * + * NOTE: RX page posting is done in this routine as well. while there's + * the capability of using multiple RX completion rings, it isn't + * really worthwhile due to the fact that the page posting will + * force serialization on the single descriptor ring. + */ +static int cas_rx_ringN(struct cas *cp, int ring, int budget) +{ + struct cas_rx_comp *rxcs = cp->init_rxcs[ring]; + int entry, drops; + int npackets = 0; + + if (netif_msg_intr(cp)) + printk(KERN_DEBUG "%s: rx[%d] interrupt, done: %d/%d\n", + cp->dev->name, ring, + readl(cp->regs + REG_RX_COMP_HEAD), + cp->rx_new[ring]); + + entry = cp->rx_new[ring]; + drops = 0; + while (1) { + struct cas_rx_comp *rxc = rxcs + entry; + struct sk_buff *skb; + int type, len; + u64 words[4]; + int i, dring; + + words[0] = le64_to_cpu(rxc->word1); + words[1] = le64_to_cpu(rxc->word2); + words[2] = le64_to_cpu(rxc->word3); + words[3] = le64_to_cpu(rxc->word4); + + /* don't touch if still owned by hw */ + type = CAS_VAL(RX_COMP1_TYPE, words[0]); + if (type == 0) + break; + + /* hw hasn't cleared the zero bit yet */ + if (words[3] & RX_COMP4_ZERO) { + break; + } + + /* get info on the packet */ + if (words[3] & (RX_COMP4_LEN_MISMATCH | RX_COMP4_BAD)) { + spin_lock(&cp->stat_lock[ring]); + cp->net_stats[ring].rx_errors++; + if (words[3] & RX_COMP4_LEN_MISMATCH) + cp->net_stats[ring].rx_length_errors++; + if (words[3] & RX_COMP4_BAD) + cp->net_stats[ring].rx_crc_errors++; + spin_unlock(&cp->stat_lock[ring]); + + /* We'll just return it to Cassini. */ + drop_it: + spin_lock(&cp->stat_lock[ring]); + ++cp->net_stats[ring].rx_dropped; + spin_unlock(&cp->stat_lock[ring]); + goto next; + } + + len = cas_rx_process_pkt(cp, rxc, entry, words, &skb); + if (len < 0) { + ++drops; + goto drop_it; + } + + /* see if it's a flow re-assembly or not. the driver + * itself handles release back up. + */ + if (RX_DONT_BATCH || (type == 0x2)) { + /* non-reassm: these always get released */ + cas_skb_release(skb); + } else { + cas_rx_flow_pkt(cp, words, skb); + } + + spin_lock(&cp->stat_lock[ring]); + cp->net_stats[ring].rx_packets++; + cp->net_stats[ring].rx_bytes += len; + spin_unlock(&cp->stat_lock[ring]); + cp->dev->last_rx = jiffies; + + next: + npackets++; + + /* should it be released? */ + if (words[0] & RX_COMP1_RELEASE_HDR) { + i = CAS_VAL(RX_COMP2_HDR_INDEX, words[1]); + dring = CAS_VAL(RX_INDEX_RING, i); + i = CAS_VAL(RX_INDEX_NUM, i); + cas_post_page(cp, dring, i); + } + + if (words[0] & RX_COMP1_RELEASE_DATA) { + i = CAS_VAL(RX_COMP1_DATA_INDEX, words[0]); + dring = CAS_VAL(RX_INDEX_RING, i); + i = CAS_VAL(RX_INDEX_NUM, i); + cas_post_page(cp, dring, i); + } + + if (words[0] & RX_COMP1_RELEASE_NEXT) { + i = CAS_VAL(RX_COMP2_NEXT_INDEX, words[1]); + dring = CAS_VAL(RX_INDEX_RING, i); + i = CAS_VAL(RX_INDEX_NUM, i); + cas_post_page(cp, dring, i); + } + + /* skip to the next entry */ + entry = RX_COMP_ENTRY(ring, entry + 1 + + CAS_VAL(RX_COMP1_SKIP, words[0])); +#ifdef USE_NAPI + if (budget && (npackets >= budget)) + break; +#endif + } + cp->rx_new[ring] = entry; + + if (drops) + printk(KERN_INFO "%s: Memory squeeze, deferring packet.\n", + cp->dev->name); + return npackets; +} + + +/* put completion entries back on the ring */ +static void cas_post_rxcs_ringN(struct net_device *dev, + struct cas *cp, int ring) +{ + struct cas_rx_comp *rxc = cp->init_rxcs[ring]; + int last, entry; + + last = cp->rx_cur[ring]; + entry = cp->rx_new[ring]; + if (netif_msg_intr(cp)) + printk(KERN_DEBUG "%s: rxc[%d] interrupt, done: %d/%d\n", + dev->name, ring, readl(cp->regs + REG_RX_COMP_HEAD), + entry); + + /* zero and re-mark descriptors */ + while (last != entry) { + cas_rxc_init(rxc + last); + last = RX_COMP_ENTRY(ring, last + 1); + } + cp->rx_cur[ring] = last; + + if (ring == 0) + writel(last, cp->regs + REG_RX_COMP_TAIL); + else if (cp->cas_flags & CAS_FLAG_REG_PLUS) + writel(last, cp->regs + REG_PLUS_RX_COMPN_TAIL(ring)); +} + + + +/* cassini can use all four PCI interrupts for the completion ring. + * rings 3 and 4 are identical + */ +#if defined(USE_PCI_INTC) || defined(USE_PCI_INTD) +static inline void cas_handle_irqN(struct net_device *dev, + struct cas *cp, const u32 status, + const int ring) +{ + if (status & (INTR_RX_COMP_FULL_ALT | INTR_RX_COMP_AF_ALT)) + cas_post_rxcs_ringN(dev, cp, ring); +} + +static irqreturn_t cas_interruptN(int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev = dev_id; + struct cas *cp = netdev_priv(dev); + unsigned long flags; + int ring; + u32 status = readl(cp->regs + REG_PLUS_INTRN_STATUS(ring)); + + /* check for shared irq */ + if (status == 0) + return IRQ_NONE; + + ring = (irq == cp->pci_irq_INTC) ? 2 : 3; + spin_lock_irqsave(&cp->lock, flags); + if (status & INTR_RX_DONE_ALT) { /* handle rx separately */ +#ifdef USE_NAPI + cas_mask_intr(cp); + netif_rx_schedule(dev); +#else + cas_rx_ringN(cp, ring, 0); +#endif + status &= ~INTR_RX_DONE_ALT; + } + + if (status) + cas_handle_irqN(dev, cp, status, ring); + spin_unlock_irqrestore(&cp->lock, flags); + return IRQ_HANDLED; +} +#endif + +#ifdef USE_PCI_INTB +/* everything but rx packets */ +static inline void cas_handle_irq1(struct cas *cp, const u32 status) +{ + if (status & INTR_RX_BUF_UNAVAIL_1) { + /* Frame arrived, no free RX buffers available. + * NOTE: we can get this on a link transition. */ + cas_post_rxds_ringN(cp, 1, 0); + spin_lock(&cp->stat_lock[1]); + cp->net_stats[1].rx_dropped++; + spin_unlock(&cp->stat_lock[1]); + } + + if (status & INTR_RX_BUF_AE_1) + cas_post_rxds_ringN(cp, 1, RX_DESC_RINGN_SIZE(1) - + RX_AE_FREEN_VAL(1)); + + if (status & (INTR_RX_COMP_AF | INTR_RX_COMP_FULL)) + cas_post_rxcs_ringN(cp, 1); +} + +/* ring 2 handles a few more events than 3 and 4 */ +static irqreturn_t cas_interrupt1(int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev = dev_id; + struct cas *cp = netdev_priv(dev); + unsigned long flags; + u32 status = readl(cp->regs + REG_PLUS_INTRN_STATUS(1)); + + /* check for shared interrupt */ + if (status == 0) + return IRQ_NONE; + + spin_lock_irqsave(&cp->lock, flags); + if (status & INTR_RX_DONE_ALT) { /* handle rx separately */ +#ifdef USE_NAPI + cas_mask_intr(cp); + netif_rx_schedule(dev); +#else + cas_rx_ringN(cp, 1, 0); +#endif + status &= ~INTR_RX_DONE_ALT; + } + if (status) + cas_handle_irq1(cp, status); + spin_unlock_irqrestore(&cp->lock, flags); + return IRQ_HANDLED; +} +#endif + +static inline void cas_handle_irq(struct net_device *dev, + struct cas *cp, const u32 status) +{ + /* housekeeping interrupts */ + if (status & INTR_ERROR_MASK) + cas_abnormal_irq(dev, cp, status); + + if (status & INTR_RX_BUF_UNAVAIL) { + /* Frame arrived, no free RX buffers available. + * NOTE: we can get this on a link transition. + */ + cas_post_rxds_ringN(cp, 0, 0); + spin_lock(&cp->stat_lock[0]); + cp->net_stats[0].rx_dropped++; + spin_unlock(&cp->stat_lock[0]); + } else if (status & INTR_RX_BUF_AE) { + cas_post_rxds_ringN(cp, 0, RX_DESC_RINGN_SIZE(0) - + RX_AE_FREEN_VAL(0)); + } + + if (status & (INTR_RX_COMP_AF | INTR_RX_COMP_FULL)) + cas_post_rxcs_ringN(dev, cp, 0); +} + +static irqreturn_t cas_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev = dev_id; + struct cas *cp = netdev_priv(dev); + unsigned long flags; + u32 status = readl(cp->regs + REG_INTR_STATUS); + + if (status == 0) + return IRQ_NONE; + + spin_lock_irqsave(&cp->lock, flags); + if (status & (INTR_TX_ALL | INTR_TX_INTME)) { + cas_tx(dev, cp, status); + status &= ~(INTR_TX_ALL | INTR_TX_INTME); + } + + if (status & INTR_RX_DONE) { +#ifdef USE_NAPI + cas_mask_intr(cp); + netif_rx_schedule(dev); +#else + cas_rx_ringN(cp, 0, 0); +#endif + status &= ~INTR_RX_DONE; + } + + if (status) + cas_handle_irq(dev, cp, status); + spin_unlock_irqrestore(&cp->lock, flags); + return IRQ_HANDLED; +} + + +#ifdef USE_NAPI +static int cas_poll(struct net_device *dev, int *budget) +{ + struct cas *cp = netdev_priv(dev); + int i, enable_intr, todo, credits; + u32 status = readl(cp->regs + REG_INTR_STATUS); + unsigned long flags; + + spin_lock_irqsave(&cp->lock, flags); + cas_tx(dev, cp, status); + spin_unlock_irqrestore(&cp->lock, flags); + + /* NAPI rx packets. we spread the credits across all of the + * rxc rings + */ + todo = min(*budget, dev->quota); + + /* to make sure we're fair with the work we loop through each + * ring N_RX_COMP_RING times with a request of + * todo / N_RX_COMP_RINGS + */ + enable_intr = 1; + credits = 0; + for (i = 0; i < N_RX_COMP_RINGS; i++) { + int j; + for (j = 0; j < N_RX_COMP_RINGS; j++) { + credits += cas_rx_ringN(cp, j, todo / N_RX_COMP_RINGS); + if (credits >= todo) { + enable_intr = 0; + goto rx_comp; + } + } + } + +rx_comp: + *budget -= credits; + dev->quota -= credits; + + /* final rx completion */ + spin_lock_irqsave(&cp->lock, flags); + if (status) + cas_handle_irq(dev, cp, status); + +#ifdef USE_PCI_INTB + if (N_RX_COMP_RINGS > 1) { + status = readl(cp->regs + REG_PLUS_INTRN_STATUS(1)); + if (status) + cas_handle_irq1(dev, cp, status); + } +#endif + +#ifdef USE_PCI_INTC + if (N_RX_COMP_RINGS > 2) { + status = readl(cp->regs + REG_PLUS_INTRN_STATUS(2)); + if (status) + cas_handle_irqN(dev, cp, status, 2); + } +#endif + +#ifdef USE_PCI_INTD + if (N_RX_COMP_RINGS > 3) { + status = readl(cp->regs + REG_PLUS_INTRN_STATUS(3)); + if (status) + cas_handle_irqN(dev, cp, status, 3); + } +#endif + spin_unlock_irqrestore(&cp->lock, flags); + if (enable_intr) { + netif_rx_complete(dev); + cas_unmask_intr(cp); + return 0; + } + return 1; +} +#endif + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void cas_netpoll(struct net_device *dev) +{ + struct cas *cp = netdev_priv(dev); + + cas_disable_irq(cp, 0); + cas_interrupt(cp->pdev->irq, dev, NULL); + cas_enable_irq(cp, 0); + +#ifdef USE_PCI_INTB + if (N_RX_COMP_RINGS > 1) { + /* cas_interrupt1(); */ + } +#endif +#ifdef USE_PCI_INTC + if (N_RX_COMP_RINGS > 2) { + /* cas_interruptN(); */ + } +#endif +#ifdef USE_PCI_INTD + if (N_RX_COMP_RINGS > 3) { + /* cas_interruptN(); */ + } +#endif +} +#endif + +static void cas_tx_timeout(struct net_device *dev) +{ + struct cas *cp = netdev_priv(dev); + + printk(KERN_ERR "%s: transmit timed out, resetting\n", dev->name); + if (!cp->hw_running) { + printk("%s: hrm.. hw not running!\n", dev->name); + return; + } + + printk(KERN_ERR "%s: MIF_STATE[%08x]\n", + dev->name, readl(cp->regs + REG_MIF_STATE_MACHINE)); + + printk(KERN_ERR "%s: MAC_STATE[%08x]\n", + dev->name, readl(cp->regs + REG_MAC_STATE_MACHINE)); + + printk(KERN_ERR "%s: TX_STATE[%08x:%08x:%08x] " + "FIFO[%08x:%08x:%08x] SM1[%08x] SM2[%08x]\n", + dev->name, + readl(cp->regs + REG_TX_CFG), + readl(cp->regs + REG_MAC_TX_STATUS), + readl(cp->regs + REG_MAC_TX_CFG), + readl(cp->regs + REG_TX_FIFO_PKT_CNT), + readl(cp->regs + REG_TX_FIFO_WRITE_PTR), + readl(cp->regs + REG_TX_FIFO_READ_PTR), + readl(cp->regs + REG_TX_SM_1), + readl(cp->regs + REG_TX_SM_2)); + + printk(KERN_ERR "%s: RX_STATE[%08x:%08x:%08x]\n", + dev->name, + readl(cp->regs + REG_RX_CFG), + readl(cp->regs + REG_MAC_RX_STATUS), + readl(cp->regs + REG_MAC_RX_CFG)); + + printk(KERN_ERR "%s: HP_STATE[%08x:%08x:%08x:%08x]\n", + dev->name, + readl(cp->regs + REG_HP_STATE_MACHINE), + readl(cp->regs + REG_HP_STATUS0), + readl(cp->regs + REG_HP_STATUS1), + readl(cp->regs + REG_HP_STATUS2)); + +#if 1 + atomic_inc(&cp->reset_task_pending); + atomic_inc(&cp->reset_task_pending_all); + schedule_work(&cp->reset_task); +#else + atomic_set(&cp->reset_task_pending, CAS_RESET_ALL); + schedule_work(&cp->reset_task); +#endif +} + +static inline int cas_intme(int ring, int entry) +{ + /* Algorithm: IRQ every 1/2 of descriptors. */ + if (!(entry & ((TX_DESC_RINGN_SIZE(ring) >> 1) - 1))) + return 1; + return 0; +} + + +static void cas_write_txd(struct cas *cp, int ring, int entry, + dma_addr_t mapping, int len, u64 ctrl, int last) +{ + struct cas_tx_desc *txd = cp->init_txds[ring] + entry; + + ctrl |= CAS_BASE(TX_DESC_BUFLEN, len); + if (cas_intme(ring, entry)) + ctrl |= TX_DESC_INTME; + if (last) + ctrl |= TX_DESC_EOF; + txd->control = cpu_to_le64(ctrl); + txd->buffer = cpu_to_le64(mapping); +} + +static inline void *tx_tiny_buf(struct cas *cp, const int ring, + const int entry) +{ + return cp->tx_tiny_bufs[ring] + TX_TINY_BUF_LEN*entry; +} + +static inline dma_addr_t tx_tiny_map(struct cas *cp, const int ring, + const int entry, const int tentry) +{ + cp->tx_tiny_use[ring][tentry].nbufs++; + cp->tx_tiny_use[ring][entry].used = 1; + return cp->tx_tiny_dvma[ring] + TX_TINY_BUF_LEN*entry; +} + +static inline int cas_xmit_tx_ringN(struct cas *cp, int ring, + struct sk_buff *skb) +{ + struct net_device *dev = cp->dev; + int entry, nr_frags, frag, tabort, tentry; + dma_addr_t mapping; + unsigned long flags; + u64 ctrl; + u32 len; + + spin_lock_irqsave(&cp->tx_lock[ring], flags); + + /* This is a hard error, log it. */ + if (TX_BUFFS_AVAIL(cp, ring) <= + CAS_TABORT(cp)*(skb_shinfo(skb)->nr_frags + 1)) { + netif_stop_queue(dev); + spin_unlock_irqrestore(&cp->tx_lock[ring], flags); + printk(KERN_ERR PFX "%s: BUG! Tx Ring full when " + "queue awake!\n", dev->name); + return 1; + } + + ctrl = 0; + if (skb->ip_summed == CHECKSUM_HW) { + u64 csum_start_off, csum_stuff_off; + + csum_start_off = (u64) (skb->h.raw - skb->data); + csum_stuff_off = (u64) ((skb->h.raw + skb->csum) - skb->data); + + ctrl = TX_DESC_CSUM_EN | + CAS_BASE(TX_DESC_CSUM_START, csum_start_off) | + CAS_BASE(TX_DESC_CSUM_STUFF, csum_stuff_off); + } + + entry = cp->tx_new[ring]; + cp->tx_skbs[ring][entry] = skb; + + nr_frags = skb_shinfo(skb)->nr_frags; + len = skb_headlen(skb); + mapping = pci_map_page(cp->pdev, virt_to_page(skb->data), + offset_in_page(skb->data), len, + PCI_DMA_TODEVICE); + + tentry = entry; + tabort = cas_calc_tabort(cp, (unsigned long) skb->data, len); + if (unlikely(tabort)) { + /* NOTE: len is always > tabort */ + cas_write_txd(cp, ring, entry, mapping, len - tabort, + ctrl | TX_DESC_SOF, 0); + entry = TX_DESC_NEXT(ring, entry); + + memcpy(tx_tiny_buf(cp, ring, entry), skb->data + + len - tabort, tabort); + mapping = tx_tiny_map(cp, ring, entry, tentry); + cas_write_txd(cp, ring, entry, mapping, tabort, ctrl, + (nr_frags == 0)); + } else { + cas_write_txd(cp, ring, entry, mapping, len, ctrl | + TX_DESC_SOF, (nr_frags == 0)); + } + entry = TX_DESC_NEXT(ring, entry); + + for (frag = 0; frag < nr_frags; frag++) { + skb_frag_t *fragp = &skb_shinfo(skb)->frags[frag]; + + len = fragp->size; + mapping = pci_map_page(cp->pdev, fragp->page, + fragp->page_offset, len, + PCI_DMA_TODEVICE); + + tabort = cas_calc_tabort(cp, fragp->page_offset, len); + if (unlikely(tabort)) { + void *addr; + + /* NOTE: len is always > tabort */ + cas_write_txd(cp, ring, entry, mapping, len - tabort, + ctrl, 0); + entry = TX_DESC_NEXT(ring, entry); + + addr = cas_page_map(fragp->page); + memcpy(tx_tiny_buf(cp, ring, entry), + addr + fragp->page_offset + len - tabort, + tabort); + cas_page_unmap(addr); + mapping = tx_tiny_map(cp, ring, entry, tentry); + len = tabort; + } + + cas_write_txd(cp, ring, entry, mapping, len, ctrl, + (frag + 1 == nr_frags)); + entry = TX_DESC_NEXT(ring, entry); + } + + cp->tx_new[ring] = entry; + if (TX_BUFFS_AVAIL(cp, ring) <= CAS_TABORT(cp)*(MAX_SKB_FRAGS + 1)) + netif_stop_queue(dev); + + if (netif_msg_tx_queued(cp)) + printk(KERN_DEBUG "%s: tx[%d] queued, slot %d, skblen %d, " + "avail %d\n", + dev->name, ring, entry, skb->len, + TX_BUFFS_AVAIL(cp, ring)); + writel(entry, cp->regs + REG_TX_KICKN(ring)); + spin_unlock_irqrestore(&cp->tx_lock[ring], flags); + return 0; +} + +static int cas_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct cas *cp = netdev_priv(dev); + + /* this is only used as a load-balancing hint, so it doesn't + * need to be SMP safe + */ + static int ring; + + skb = skb_padto(skb, cp->min_frame_size); + if (!skb) + return 0; + + /* XXX: we need some higher-level QoS hooks to steer packets to + * individual queues. + */ + if (cas_xmit_tx_ringN(cp, ring++ & N_TX_RINGS_MASK, skb)) + return 1; + dev->trans_start = jiffies; + return 0; +} + +static void cas_init_tx_dma(struct cas *cp) +{ + u64 desc_dma = cp->block_dvma; + unsigned long off; + u32 val; + int i; + + /* set up tx completion writeback registers. must be 8-byte aligned */ +#ifdef USE_TX_COMPWB + off = offsetof(struct cas_init_block, tx_compwb); + writel((desc_dma + off) >> 32, cp->regs + REG_TX_COMPWB_DB_HI); + writel((desc_dma + off) & 0xffffffff, cp->regs + REG_TX_COMPWB_DB_LOW); +#endif + + /* enable completion writebacks, enable paced mode, + * disable read pipe, and disable pre-interrupt compwbs + */ + val = TX_CFG_COMPWB_Q1 | TX_CFG_COMPWB_Q2 | + TX_CFG_COMPWB_Q3 | TX_CFG_COMPWB_Q4 | + TX_CFG_DMA_RDPIPE_DIS | TX_CFG_PACED_MODE | + TX_CFG_INTR_COMPWB_DIS; + + /* write out tx ring info and tx desc bases */ + for (i = 0; i < MAX_TX_RINGS; i++) { + off = (unsigned long) cp->init_txds[i] - + (unsigned long) cp->init_block; + + val |= CAS_TX_RINGN_BASE(i); + writel((desc_dma + off) >> 32, cp->regs + REG_TX_DBN_HI(i)); + writel((desc_dma + off) & 0xffffffff, cp->regs + + REG_TX_DBN_LOW(i)); + /* don't zero out the kick register here as the system + * will wedge + */ + } + writel(val, cp->regs + REG_TX_CFG); + + /* program max burst sizes. these numbers should be different + * if doing QoS. + */ +#ifdef USE_QOS + writel(0x800, cp->regs + REG_TX_MAXBURST_0); + writel(0x1600, cp->regs + REG_TX_MAXBURST_1); + writel(0x2400, cp->regs + REG_TX_MAXBURST_2); + writel(0x4800, cp->regs + REG_TX_MAXBURST_3); +#else + writel(0x800, cp->regs + REG_TX_MAXBURST_0); + writel(0x800, cp->regs + REG_TX_MAXBURST_1); + writel(0x800, cp->regs + REG_TX_MAXBURST_2); + writel(0x800, cp->regs + REG_TX_MAXBURST_3); +#endif +} + +/* Must be invoked under cp->lock. */ +static inline void cas_init_dma(struct cas *cp) +{ + cas_init_tx_dma(cp); + cas_init_rx_dma(cp); +} + +/* Must be invoked under cp->lock. */ +static u32 cas_setup_multicast(struct cas *cp) +{ + u32 rxcfg = 0; + int i; + + if (cp->dev->flags & IFF_PROMISC) { + rxcfg |= MAC_RX_CFG_PROMISC_EN; + + } else if (cp->dev->flags & IFF_ALLMULTI) { + for (i=0; i < 16; i++) + writel(0xFFFF, cp->regs + REG_MAC_HASH_TABLEN(i)); + rxcfg |= MAC_RX_CFG_HASH_FILTER_EN; + + } else { + u16 hash_table[16]; + u32 crc; + struct dev_mc_list *dmi = cp->dev->mc_list; + int i; + + /* use the alternate mac address registers for the + * first 15 multicast addresses + */ + for (i = 1; i <= CAS_MC_EXACT_MATCH_SIZE; i++) { + if (!dmi) { + writel(0x0, cp->regs + REG_MAC_ADDRN(i*3 + 0)); + writel(0x0, cp->regs + REG_MAC_ADDRN(i*3 + 1)); + writel(0x0, cp->regs + REG_MAC_ADDRN(i*3 + 2)); + continue; + } + writel((dmi->dmi_addr[4] << 8) | dmi->dmi_addr[5], + cp->regs + REG_MAC_ADDRN(i*3 + 0)); + writel((dmi->dmi_addr[2] << 8) | dmi->dmi_addr[3], + cp->regs + REG_MAC_ADDRN(i*3 + 1)); + writel((dmi->dmi_addr[0] << 8) | dmi->dmi_addr[1], + cp->regs + REG_MAC_ADDRN(i*3 + 2)); + dmi = dmi->next; + } + + /* use hw hash table for the next series of + * multicast addresses + */ + memset(hash_table, 0, sizeof(hash_table)); + while (dmi) { + crc = ether_crc_le(ETH_ALEN, dmi->dmi_addr); + crc >>= 24; + hash_table[crc >> 4] |= 1 << (15 - (crc & 0xf)); + dmi = dmi->next; + } + for (i=0; i < 16; i++) + writel(hash_table[i], cp->regs + + REG_MAC_HASH_TABLEN(i)); + rxcfg |= MAC_RX_CFG_HASH_FILTER_EN; + } + + return rxcfg; +} + +/* must be invoked under cp->stat_lock[N_TX_RINGS] */ +static void cas_clear_mac_err(struct cas *cp) +{ + writel(0, cp->regs + REG_MAC_COLL_NORMAL); + writel(0, cp->regs + REG_MAC_COLL_FIRST); + writel(0, cp->regs + REG_MAC_COLL_EXCESS); + writel(0, cp->regs + REG_MAC_COLL_LATE); + writel(0, cp->regs + REG_MAC_TIMER_DEFER); + writel(0, cp->regs + REG_MAC_ATTEMPTS_PEAK); + writel(0, cp->regs + REG_MAC_RECV_FRAME); + writel(0, cp->regs + REG_MAC_LEN_ERR); + writel(0, cp->regs + REG_MAC_ALIGN_ERR); + writel(0, cp->regs + REG_MAC_FCS_ERR); + writel(0, cp->regs + REG_MAC_RX_CODE_ERR); +} + + +static void cas_mac_reset(struct cas *cp) +{ + int i; + + /* do both TX and RX reset */ + writel(0x1, cp->regs + REG_MAC_TX_RESET); + writel(0x1, cp->regs + REG_MAC_RX_RESET); + + /* wait for TX */ + i = STOP_TRIES; + while (i-- > 0) { + if (readl(cp->regs + REG_MAC_TX_RESET) == 0) + break; + udelay(10); + } + + /* wait for RX */ + i = STOP_TRIES; + while (i-- > 0) { + if (readl(cp->regs + REG_MAC_RX_RESET) == 0) + break; + udelay(10); + } + + if (readl(cp->regs + REG_MAC_TX_RESET) | + readl(cp->regs + REG_MAC_RX_RESET)) + printk(KERN_ERR "%s: mac tx[%d]/rx[%d] reset failed [%08x]\n", + cp->dev->name, readl(cp->regs + REG_MAC_TX_RESET), + readl(cp->regs + REG_MAC_RX_RESET), + readl(cp->regs + REG_MAC_STATE_MACHINE)); +} + + +/* Must be invoked under cp->lock. */ +static void cas_init_mac(struct cas *cp) +{ + unsigned char *e = &cp->dev->dev_addr[0]; + int i; +#ifdef CONFIG_CASSINI_MULTICAST_REG_WRITE + u32 rxcfg; +#endif + cas_mac_reset(cp); + + /* setup core arbitration weight register */ + writel(CAWR_RR_DIS, cp->regs + REG_CAWR); + + /* XXX Use pci_dma_burst_advice() */ +#if !defined(CONFIG_SPARC64) && !defined(CONFIG_ALPHA) + /* set the infinite burst register for chips that don't have + * pci issues. + */ + if ((cp->cas_flags & CAS_FLAG_TARGET_ABORT) == 0) + writel(INF_BURST_EN, cp->regs + REG_INF_BURST); +#endif + + writel(0x1BF0, cp->regs + REG_MAC_SEND_PAUSE); + + writel(0x00, cp->regs + REG_MAC_IPG0); + writel(0x08, cp->regs + REG_MAC_IPG1); + writel(0x04, cp->regs + REG_MAC_IPG2); + + /* change later for 802.3z */ + writel(0x40, cp->regs + REG_MAC_SLOT_TIME); + + /* min frame + FCS */ + writel(ETH_ZLEN + 4, cp->regs + REG_MAC_FRAMESIZE_MIN); + + /* Ethernet payload + header + FCS + optional VLAN tag. NOTE: we + * specify the maximum frame size to prevent RX tag errors on + * oversized frames. + */ + writel(CAS_BASE(MAC_FRAMESIZE_MAX_BURST, 0x2000) | + CAS_BASE(MAC_FRAMESIZE_MAX_FRAME, + (CAS_MAX_MTU + ETH_HLEN + 4 + 4)), + cp->regs + REG_MAC_FRAMESIZE_MAX); + + /* NOTE: crc_size is used as a surrogate for half-duplex. + * workaround saturn half-duplex issue by increasing preamble + * size to 65 bytes. + */ + if ((cp->cas_flags & CAS_FLAG_SATURN) && cp->crc_size) + writel(0x41, cp->regs + REG_MAC_PA_SIZE); + else + writel(0x07, cp->regs + REG_MAC_PA_SIZE); + writel(0x04, cp->regs + REG_MAC_JAM_SIZE); + writel(0x10, cp->regs + REG_MAC_ATTEMPT_LIMIT); + writel(0x8808, cp->regs + REG_MAC_CTRL_TYPE); + + writel((e[5] | (e[4] << 8)) & 0x3ff, cp->regs + REG_MAC_RANDOM_SEED); + + writel(0, cp->regs + REG_MAC_ADDR_FILTER0); + writel(0, cp->regs + REG_MAC_ADDR_FILTER1); + writel(0, cp->regs + REG_MAC_ADDR_FILTER2); + writel(0, cp->regs + REG_MAC_ADDR_FILTER2_1_MASK); + writel(0, cp->regs + REG_MAC_ADDR_FILTER0_MASK); + + /* setup mac address in perfect filter array */ + for (i = 0; i < 45; i++) + writel(0x0, cp->regs + REG_MAC_ADDRN(i)); + + writel((e[4] << 8) | e[5], cp->regs + REG_MAC_ADDRN(0)); + writel((e[2] << 8) | e[3], cp->regs + REG_MAC_ADDRN(1)); + writel((e[0] << 8) | e[1], cp->regs + REG_MAC_ADDRN(2)); + + writel(0x0001, cp->regs + REG_MAC_ADDRN(42)); + writel(0xc200, cp->regs + REG_MAC_ADDRN(43)); + writel(0x0180, cp->regs + REG_MAC_ADDRN(44)); + +#ifndef CONFIG_CASSINI_MULTICAST_REG_WRITE + cp->mac_rx_cfg = cas_setup_multicast(cp); +#else + /* WTZ: Do what Adrian did in cas_set_multicast. Doing + * a writel does not seem to be necessary because Cassini + * seems to preserve the configuration when we do the reset. + * If the chip is in trouble, though, it is not clear if we + * can really count on this behavior. cas_set_multicast uses + * spin_lock_irqsave, but we are called only in cas_init_hw and + * cas_init_hw is protected by cas_lock_all, which calls + * spin_lock_irq (so it doesn't need to save the flags, and + * we should be OK for the writel, as that is the only + * difference). + */ + cp->mac_rx_cfg = rxcfg = cas_setup_multicast(cp); + writel(rxcfg, cp->regs + REG_MAC_RX_CFG); +#endif + spin_lock(&cp->stat_lock[N_TX_RINGS]); + cas_clear_mac_err(cp); + spin_unlock(&cp->stat_lock[N_TX_RINGS]); + + /* Setup MAC interrupts. We want to get all of the interesting + * counter expiration events, but we do not want to hear about + * normal rx/tx as the DMA engine tells us that. + */ + writel(MAC_TX_FRAME_XMIT, cp->regs + REG_MAC_TX_MASK); + writel(MAC_RX_FRAME_RECV, cp->regs + REG_MAC_RX_MASK); + + /* Don't enable even the PAUSE interrupts for now, we + * make no use of those events other than to record them. + */ + writel(0xffffffff, cp->regs + REG_MAC_CTRL_MASK); +} + +/* Must be invoked under cp->lock. */ +static void cas_init_pause_thresholds(struct cas *cp) +{ + /* Calculate pause thresholds. Setting the OFF threshold to the + * full RX fifo size effectively disables PAUSE generation + */ + if (cp->rx_fifo_size <= (2 * 1024)) { + cp->rx_pause_off = cp->rx_pause_on = cp->rx_fifo_size; + } else { + int max_frame = (cp->dev->mtu + ETH_HLEN + 4 + 4 + 64) & ~63; + if (max_frame * 3 > cp->rx_fifo_size) { + cp->rx_pause_off = 7104; + cp->rx_pause_on = 960; + } else { + int off = (cp->rx_fifo_size - (max_frame * 2)); + int on = off - max_frame; + cp->rx_pause_off = off; + cp->rx_pause_on = on; + } + } +} + +static int cas_vpd_match(const void __iomem *p, const char *str) +{ + int len = strlen(str) + 1; + int i; + + for (i = 0; i < len; i++) { + if (readb(p + i) != str[i]) + return 0; + } + return 1; +} + + +/* get the mac address by reading the vpd information in the rom. + * also get the phy type and determine if there's an entropy generator. + * NOTE: this is a bit convoluted for the following reasons: + * 1) vpd info has order-dependent mac addresses for multinic cards + * 2) the only way to determine the nic order is to use the slot + * number. + * 3) fiber cards don't have bridges, so their slot numbers don't + * mean anything. + * 4) we don't actually know we have a fiber card until after + * the mac addresses are parsed. + */ +static int cas_get_vpd_info(struct cas *cp, unsigned char *dev_addr, + const int offset) +{ + void __iomem *p = cp->regs + REG_EXPANSION_ROM_RUN_START; + void __iomem *base, *kstart; + int i, len; + int found = 0; +#define VPD_FOUND_MAC 0x01 +#define VPD_FOUND_PHY 0x02 + + int phy_type = CAS_PHY_MII_MDIO0; /* default phy type */ + int mac_off = 0; + + /* give us access to the PROM */ + writel(BIM_LOCAL_DEV_PROM | BIM_LOCAL_DEV_PAD, + cp->regs + REG_BIM_LOCAL_DEV_EN); + + /* check for an expansion rom */ + if (readb(p) != 0x55 || readb(p + 1) != 0xaa) + goto use_random_mac_addr; + + /* search for beginning of vpd */ + base = NULL; + for (i = 2; i < EXPANSION_ROM_SIZE; i++) { + /* check for PCIR */ + if ((readb(p + i + 0) == 0x50) && + (readb(p + i + 1) == 0x43) && + (readb(p + i + 2) == 0x49) && + (readb(p + i + 3) == 0x52)) { + base = p + (readb(p + i + 8) | + (readb(p + i + 9) << 8)); + break; + } + } + + if (!base || (readb(base) != 0x82)) + goto use_random_mac_addr; + + i = (readb(base + 1) | (readb(base + 2) << 8)) + 3; + while (i < EXPANSION_ROM_SIZE) { + if (readb(base + i) != 0x90) /* no vpd found */ + goto use_random_mac_addr; + + /* found a vpd field */ + len = readb(base + i + 1) | (readb(base + i + 2) << 8); + + /* extract keywords */ + kstart = base + i + 3; + p = kstart; + while ((p - kstart) < len) { + int klen = readb(p + 2); + int j; + char type; + + p += 3; + + /* look for the following things: + * -- correct length == 29 + * 3 (type) + 2 (size) + + * 18 (strlen("local-mac-address") + 1) + + * 6 (mac addr) + * -- VPD Instance 'I' + * -- VPD Type Bytes 'B' + * -- VPD data length == 6 + * -- property string == local-mac-address + * + * -- correct length == 24 + * 3 (type) + 2 (size) + + * 12 (strlen("entropy-dev") + 1) + + * 7 (strlen("vms110") + 1) + * -- VPD Instance 'I' + * -- VPD Type String 'B' + * -- VPD data length == 7 + * -- property string == entropy-dev + * + * -- correct length == 18 + * 3 (type) + 2 (size) + + * 9 (strlen("phy-type") + 1) + + * 4 (strlen("pcs") + 1) + * -- VPD Instance 'I' + * -- VPD Type String 'S' + * -- VPD data length == 4 + * -- property string == phy-type + * + * -- correct length == 23 + * 3 (type) + 2 (size) + + * 14 (strlen("phy-interface") + 1) + + * 4 (strlen("pcs") + 1) + * -- VPD Instance 'I' + * -- VPD Type String 'S' + * -- VPD data length == 4 + * -- property string == phy-interface + */ + if (readb(p) != 'I') + goto next; + + /* finally, check string and length */ + type = readb(p + 3); + if (type == 'B') { + if ((klen == 29) && readb(p + 4) == 6 && + cas_vpd_match(p + 5, + "local-mac-address")) { + if (mac_off++ > offset) + goto next; + + /* set mac address */ + for (j = 0; j < 6; j++) + dev_addr[j] = + readb(p + 23 + j); + goto found_mac; + } + } + + if (type != 'S') + goto next; + +#ifdef USE_ENTROPY_DEV + if ((klen == 24) && + cas_vpd_match(p + 5, "entropy-dev") && + cas_vpd_match(p + 17, "vms110")) { + cp->cas_flags |= CAS_FLAG_ENTROPY_DEV; + goto next; + } +#endif + + if (found & VPD_FOUND_PHY) + goto next; + + if ((klen == 18) && readb(p + 4) == 4 && + cas_vpd_match(p + 5, "phy-type")) { + if (cas_vpd_match(p + 14, "pcs")) { + phy_type = CAS_PHY_SERDES; + goto found_phy; + } + } + + if ((klen == 23) && readb(p + 4) == 4 && + cas_vpd_match(p + 5, "phy-interface")) { + if (cas_vpd_match(p + 19, "pcs")) { + phy_type = CAS_PHY_SERDES; + goto found_phy; + } + } +found_mac: + found |= VPD_FOUND_MAC; + goto next; + +found_phy: + found |= VPD_FOUND_PHY; + +next: + p += klen; + } + i += len + 3; + } + +use_random_mac_addr: + if (found & VPD_FOUND_MAC) + goto done; + + /* Sun MAC prefix then 3 random bytes. */ + printk(PFX "MAC address not found in ROM VPD\n"); + dev_addr[0] = 0x08; + dev_addr[1] = 0x00; + dev_addr[2] = 0x20; + get_random_bytes(dev_addr + 3, 3); + +done: + writel(0, cp->regs + REG_BIM_LOCAL_DEV_EN); + return phy_type; +} + +/* check pci invariants */ +static void cas_check_pci_invariants(struct cas *cp) +{ + struct pci_dev *pdev = cp->pdev; + u8 rev; + + cp->cas_flags = 0; + pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); + if ((pdev->vendor == PCI_VENDOR_ID_SUN) && + (pdev->device == PCI_DEVICE_ID_SUN_CASSINI)) { + if (rev >= CAS_ID_REVPLUS) + cp->cas_flags |= CAS_FLAG_REG_PLUS; + if (rev < CAS_ID_REVPLUS02u) + cp->cas_flags |= CAS_FLAG_TARGET_ABORT; + + /* Original Cassini supports HW CSUM, but it's not + * enabled by default as it can trigger TX hangs. + */ + if (rev < CAS_ID_REV2) + cp->cas_flags |= CAS_FLAG_NO_HW_CSUM; + } else { + /* Only sun has original cassini chips. */ + cp->cas_flags |= CAS_FLAG_REG_PLUS; + + /* We use a flag because the same phy might be externally + * connected. + */ + if ((pdev->vendor == PCI_VENDOR_ID_NS) && + (pdev->device == PCI_DEVICE_ID_NS_SATURN)) + cp->cas_flags |= CAS_FLAG_SATURN; + } +} + + +static int cas_check_invariants(struct cas *cp) +{ + struct pci_dev *pdev = cp->pdev; + u32 cfg; + int i; + + /* get page size for rx buffers. */ + cp->page_order = 0; +#ifdef USE_PAGE_ORDER + if (PAGE_SHIFT < CAS_JUMBO_PAGE_SHIFT) { + /* see if we can allocate larger pages */ + struct page *page = alloc_pages(GFP_ATOMIC, + CAS_JUMBO_PAGE_SHIFT - + PAGE_SHIFT); + if (page) { + __free_pages(page, CAS_JUMBO_PAGE_SHIFT - PAGE_SHIFT); + cp->page_order = CAS_JUMBO_PAGE_SHIFT - PAGE_SHIFT; + } else { + printk(PFX "MTU limited to %d bytes\n", CAS_MAX_MTU); + } + } +#endif + cp->page_size = (PAGE_SIZE << cp->page_order); + + /* Fetch the FIFO configurations. */ + cp->tx_fifo_size = readl(cp->regs + REG_TX_FIFO_SIZE) * 64; + cp->rx_fifo_size = RX_FIFO_SIZE; + + /* finish phy determination. MDIO1 takes precedence over MDIO0 if + * they're both connected. + */ + cp->phy_type = cas_get_vpd_info(cp, cp->dev->dev_addr, + PCI_SLOT(pdev->devfn)); + if (cp->phy_type & CAS_PHY_SERDES) { + cp->cas_flags |= CAS_FLAG_1000MB_CAP; + return 0; /* no more checking needed */ + } + + /* MII */ + cfg = readl(cp->regs + REG_MIF_CFG); + if (cfg & MIF_CFG_MDIO_1) { + cp->phy_type = CAS_PHY_MII_MDIO1; + } else if (cfg & MIF_CFG_MDIO_0) { + cp->phy_type = CAS_PHY_MII_MDIO0; + } + + cas_mif_poll(cp, 0); + writel(PCS_DATAPATH_MODE_MII, cp->regs + REG_PCS_DATAPATH_MODE); + + for (i = 0; i < 32; i++) { + u32 phy_id; + int j; + + for (j = 0; j < 3; j++) { + cp->phy_addr = i; + phy_id = cas_phy_read(cp, MII_PHYSID1) << 16; + phy_id |= cas_phy_read(cp, MII_PHYSID2); + if (phy_id && (phy_id != 0xFFFFFFFF)) { + cp->phy_id = phy_id; + goto done; + } + } + } + printk(KERN_ERR PFX "MII phy did not respond [%08x]\n", + readl(cp->regs + REG_MIF_STATE_MACHINE)); + return -1; + +done: + /* see if we can do gigabit */ + cfg = cas_phy_read(cp, MII_BMSR); + if ((cfg & CAS_BMSR_1000_EXTEND) && + cas_phy_read(cp, CAS_MII_1000_EXTEND)) + cp->cas_flags |= CAS_FLAG_1000MB_CAP; + return 0; +} + +/* Must be invoked under cp->lock. */ +static inline void cas_start_dma(struct cas *cp) +{ + int i; + u32 val; + int txfailed = 0; + + /* enable dma */ + val = readl(cp->regs + REG_TX_CFG) | TX_CFG_DMA_EN; + writel(val, cp->regs + REG_TX_CFG); + val = readl(cp->regs + REG_RX_CFG) | RX_CFG_DMA_EN; + writel(val, cp->regs + REG_RX_CFG); + + /* enable the mac */ + val = readl(cp->regs + REG_MAC_TX_CFG) | MAC_TX_CFG_EN; + writel(val, cp->regs + REG_MAC_TX_CFG); + val = readl(cp->regs + REG_MAC_RX_CFG) | MAC_RX_CFG_EN; + writel(val, cp->regs + REG_MAC_RX_CFG); + + i = STOP_TRIES; + while (i-- > 0) { + val = readl(cp->regs + REG_MAC_TX_CFG); + if ((val & MAC_TX_CFG_EN)) + break; + udelay(10); + } + if (i < 0) txfailed = 1; + i = STOP_TRIES; + while (i-- > 0) { + val = readl(cp->regs + REG_MAC_RX_CFG); + if ((val & MAC_RX_CFG_EN)) { + if (txfailed) { + printk(KERN_ERR + "%s: enabling mac failed [tx:%08x:%08x].\n", + cp->dev->name, + readl(cp->regs + REG_MIF_STATE_MACHINE), + readl(cp->regs + REG_MAC_STATE_MACHINE)); + } + goto enable_rx_done; + } + udelay(10); + } + printk(KERN_ERR "%s: enabling mac failed [%s:%08x:%08x].\n", + cp->dev->name, + (txfailed? "tx,rx":"rx"), + readl(cp->regs + REG_MIF_STATE_MACHINE), + readl(cp->regs + REG_MAC_STATE_MACHINE)); + +enable_rx_done: + cas_unmask_intr(cp); /* enable interrupts */ + writel(RX_DESC_RINGN_SIZE(0) - 4, cp->regs + REG_RX_KICK); + writel(0, cp->regs + REG_RX_COMP_TAIL); + + if (cp->cas_flags & CAS_FLAG_REG_PLUS) { + if (N_RX_DESC_RINGS > 1) + writel(RX_DESC_RINGN_SIZE(1) - 4, + cp->regs + REG_PLUS_RX_KICK1); + + for (i = 1; i < N_RX_COMP_RINGS; i++) + writel(0, cp->regs + REG_PLUS_RX_COMPN_TAIL(i)); + } +} + +/* Must be invoked under cp->lock. */ +static void cas_read_pcs_link_mode(struct cas *cp, int *fd, int *spd, + int *pause) +{ + u32 val = readl(cp->regs + REG_PCS_MII_LPA); + *fd = (val & PCS_MII_LPA_FD) ? 1 : 0; + *pause = (val & PCS_MII_LPA_SYM_PAUSE) ? 0x01 : 0x00; + if (val & PCS_MII_LPA_ASYM_PAUSE) + *pause |= 0x10; + *spd = 1000; +} + +/* Must be invoked under cp->lock. */ +static void cas_read_mii_link_mode(struct cas *cp, int *fd, int *spd, + int *pause) +{ + u32 val; + + *fd = 0; + *spd = 10; + *pause = 0; + + /* use GMII registers */ + val = cas_phy_read(cp, MII_LPA); + if (val & CAS_LPA_PAUSE) + *pause = 0x01; + + if (val & CAS_LPA_ASYM_PAUSE) + *pause |= 0x10; + + if (val & LPA_DUPLEX) + *fd = 1; + if (val & LPA_100) + *spd = 100; + + if (cp->cas_flags & CAS_FLAG_1000MB_CAP) { + val = cas_phy_read(cp, CAS_MII_1000_STATUS); + if (val & (CAS_LPA_1000FULL | CAS_LPA_1000HALF)) + *spd = 1000; + if (val & CAS_LPA_1000FULL) + *fd = 1; + } +} + +/* A link-up condition has occurred, initialize and enable the + * rest of the chip. + * + * Must be invoked under cp->lock. + */ +static void cas_set_link_modes(struct cas *cp) +{ + u32 val; + int full_duplex, speed, pause; + + full_duplex = 0; + speed = 10; + pause = 0; + + if (CAS_PHY_MII(cp->phy_type)) { + cas_mif_poll(cp, 0); + val = cas_phy_read(cp, MII_BMCR); + if (val & BMCR_ANENABLE) { + cas_read_mii_link_mode(cp, &full_duplex, &speed, + &pause); + } else { + if (val & BMCR_FULLDPLX) + full_duplex = 1; + + if (val & BMCR_SPEED100) + speed = 100; + else if (val & CAS_BMCR_SPEED1000) + speed = (cp->cas_flags & CAS_FLAG_1000MB_CAP) ? + 1000 : 100; + } + cas_mif_poll(cp, 1); + + } else { + val = readl(cp->regs + REG_PCS_MII_CTRL); + cas_read_pcs_link_mode(cp, &full_duplex, &speed, &pause); + if ((val & PCS_MII_AUTONEG_EN) == 0) { + if (val & PCS_MII_CTRL_DUPLEX) + full_duplex = 1; + } + } + + if (netif_msg_link(cp)) + printk(KERN_INFO "%s: Link up at %d Mbps, %s-duplex.\n", + cp->dev->name, speed, (full_duplex ? "full" : "half")); + + val = MAC_XIF_TX_MII_OUTPUT_EN | MAC_XIF_LINK_LED; + if (CAS_PHY_MII(cp->phy_type)) { + val |= MAC_XIF_MII_BUFFER_OUTPUT_EN; + if (!full_duplex) + val |= MAC_XIF_DISABLE_ECHO; + } + if (full_duplex) + val |= MAC_XIF_FDPLX_LED; + if (speed == 1000) + val |= MAC_XIF_GMII_MODE; + writel(val, cp->regs + REG_MAC_XIF_CFG); + + /* deal with carrier and collision detect. */ + val = MAC_TX_CFG_IPG_EN; + if (full_duplex) { + val |= MAC_TX_CFG_IGNORE_CARRIER; + val |= MAC_TX_CFG_IGNORE_COLL; + } else { +#ifndef USE_CSMA_CD_PROTO + val |= MAC_TX_CFG_NEVER_GIVE_UP_EN; + val |= MAC_TX_CFG_NEVER_GIVE_UP_LIM; +#endif + } + /* val now set up for REG_MAC_TX_CFG */ + + /* If gigabit and half-duplex, enable carrier extension + * mode. increase slot time to 512 bytes as well. + * else, disable it and make sure slot time is 64 bytes. + * also activate checksum bug workaround + */ + if ((speed == 1000) && !full_duplex) { + writel(val | MAC_TX_CFG_CARRIER_EXTEND, + cp->regs + REG_MAC_TX_CFG); + + val = readl(cp->regs + REG_MAC_RX_CFG); + val &= ~MAC_RX_CFG_STRIP_FCS; /* checksum workaround */ + writel(val | MAC_RX_CFG_CARRIER_EXTEND, + cp->regs + REG_MAC_RX_CFG); + + writel(0x200, cp->regs + REG_MAC_SLOT_TIME); + + cp->crc_size = 4; + /* minimum size gigabit frame at half duplex */ + cp->min_frame_size = CAS_1000MB_MIN_FRAME; + + } else { + writel(val, cp->regs + REG_MAC_TX_CFG); + + /* checksum bug workaround. don't strip FCS when in + * half-duplex mode + */ + val = readl(cp->regs + REG_MAC_RX_CFG); + if (full_duplex) { + val |= MAC_RX_CFG_STRIP_FCS; + cp->crc_size = 0; + cp->min_frame_size = CAS_MIN_MTU; + } else { + val &= ~MAC_RX_CFG_STRIP_FCS; + cp->crc_size = 4; + cp->min_frame_size = CAS_MIN_FRAME; + } + writel(val & ~MAC_RX_CFG_CARRIER_EXTEND, + cp->regs + REG_MAC_RX_CFG); + writel(0x40, cp->regs + REG_MAC_SLOT_TIME); + } + + if (netif_msg_link(cp)) { + if (pause & 0x01) { + printk(KERN_INFO "%s: Pause is enabled " + "(rxfifo: %d off: %d on: %d)\n", + cp->dev->name, + cp->rx_fifo_size, + cp->rx_pause_off, + cp->rx_pause_on); + } else if (pause & 0x10) { + printk(KERN_INFO "%s: TX pause enabled\n", + cp->dev->name); + } else { + printk(KERN_INFO "%s: Pause is disabled\n", + cp->dev->name); + } + } + + val = readl(cp->regs + REG_MAC_CTRL_CFG); + val &= ~(MAC_CTRL_CFG_SEND_PAUSE_EN | MAC_CTRL_CFG_RECV_PAUSE_EN); + if (pause) { /* symmetric or asymmetric pause */ + val |= MAC_CTRL_CFG_SEND_PAUSE_EN; + if (pause & 0x01) { /* symmetric pause */ + val |= MAC_CTRL_CFG_RECV_PAUSE_EN; + } + } + writel(val, cp->regs + REG_MAC_CTRL_CFG); + cas_start_dma(cp); +} + +/* Must be invoked under cp->lock. */ +static void cas_init_hw(struct cas *cp, int restart_link) +{ + if (restart_link) + cas_phy_init(cp); + + cas_init_pause_thresholds(cp); + cas_init_mac(cp); + cas_init_dma(cp); + + if (restart_link) { + /* Default aneg parameters */ + cp->timer_ticks = 0; + cas_begin_auto_negotiation(cp, NULL); + } else if (cp->lstate == link_up) { + cas_set_link_modes(cp); + netif_carrier_on(cp->dev); + } +} + +/* Must be invoked under cp->lock. on earlier cassini boards, + * SOFT_0 is tied to PCI reset. we use this to force a pci reset, + * let it settle out, and then restore pci state. + */ +static void cas_hard_reset(struct cas *cp) +{ + writel(BIM_LOCAL_DEV_SOFT_0, cp->regs + REG_BIM_LOCAL_DEV_EN); + udelay(20); + pci_restore_state(cp->pdev); +} + + +static void cas_global_reset(struct cas *cp, int blkflag) +{ + int limit; + + /* issue a global reset. don't use RSTOUT. */ + if (blkflag && !CAS_PHY_MII(cp->phy_type)) { + /* For PCS, when the blkflag is set, we should set the + * SW_REST_BLOCK_PCS_SLINK bit to prevent the results of + * the last autonegotiation from being cleared. We'll + * need some special handling if the chip is set into a + * loopback mode. + */ + writel((SW_RESET_TX | SW_RESET_RX | SW_RESET_BLOCK_PCS_SLINK), + cp->regs + REG_SW_RESET); + } else { + writel(SW_RESET_TX | SW_RESET_RX, cp->regs + REG_SW_RESET); + } + + /* need to wait at least 3ms before polling register */ + mdelay(3); + + limit = STOP_TRIES; + while (limit-- > 0) { + u32 val = readl(cp->regs + REG_SW_RESET); + if ((val & (SW_RESET_TX | SW_RESET_RX)) == 0) + goto done; + udelay(10); + } + printk(KERN_ERR "%s: sw reset failed.\n", cp->dev->name); + +done: + /* enable various BIM interrupts */ + writel(BIM_CFG_DPAR_INTR_ENABLE | BIM_CFG_RMA_INTR_ENABLE | + BIM_CFG_RTA_INTR_ENABLE, cp->regs + REG_BIM_CFG); + + /* clear out pci error status mask for handled errors. + * we don't deal with DMA counter overflows as they happen + * all the time. + */ + writel(0xFFFFFFFFU & ~(PCI_ERR_BADACK | PCI_ERR_DTRTO | + PCI_ERR_OTHER | PCI_ERR_BIM_DMA_WRITE | + PCI_ERR_BIM_DMA_READ), cp->regs + + REG_PCI_ERR_STATUS_MASK); + + /* set up for MII by default to address mac rx reset timeout + * issue + */ + writel(PCS_DATAPATH_MODE_MII, cp->regs + REG_PCS_DATAPATH_MODE); +} + +static void cas_reset(struct cas *cp, int blkflag) +{ + u32 val; + + cas_mask_intr(cp); + cas_global_reset(cp, blkflag); + cas_mac_reset(cp); + cas_entropy_reset(cp); + + /* disable dma engines. */ + val = readl(cp->regs + REG_TX_CFG); + val &= ~TX_CFG_DMA_EN; + writel(val, cp->regs + REG_TX_CFG); + + val = readl(cp->regs + REG_RX_CFG); + val &= ~RX_CFG_DMA_EN; + writel(val, cp->regs + REG_RX_CFG); + + /* program header parser */ + if ((cp->cas_flags & CAS_FLAG_TARGET_ABORT) || + (CAS_HP_ALT_FIRMWARE == cas_prog_null)) { + cas_load_firmware(cp, CAS_HP_FIRMWARE); + } else { + cas_load_firmware(cp, CAS_HP_ALT_FIRMWARE); + } + + /* clear out error registers */ + spin_lock(&cp->stat_lock[N_TX_RINGS]); + cas_clear_mac_err(cp); + spin_unlock(&cp->stat_lock[N_TX_RINGS]); +} + +/* Shut down the chip, must be called with pm_sem held. */ +static void cas_shutdown(struct cas *cp) +{ + unsigned long flags; + + /* Make us not-running to avoid timers respawning */ + cp->hw_running = 0; + + del_timer_sync(&cp->link_timer); + + /* Stop the reset task */ +#if 0 + while (atomic_read(&cp->reset_task_pending_mtu) || + atomic_read(&cp->reset_task_pending_spare) || + atomic_read(&cp->reset_task_pending_all)) + schedule(); + +#else + while (atomic_read(&cp->reset_task_pending)) + schedule(); +#endif + /* Actually stop the chip */ + cas_lock_all_save(cp, flags); + cas_reset(cp, 0); + if (cp->cas_flags & CAS_FLAG_SATURN) + cas_phy_powerdown(cp); + cas_unlock_all_restore(cp, flags); +} + +static int cas_change_mtu(struct net_device *dev, int new_mtu) +{ + struct cas *cp = netdev_priv(dev); + + if (new_mtu < CAS_MIN_MTU || new_mtu > CAS_MAX_MTU) + return -EINVAL; + + dev->mtu = new_mtu; + if (!netif_running(dev) || !netif_device_present(dev)) + return 0; + + /* let the reset task handle it */ +#if 1 + atomic_inc(&cp->reset_task_pending); + if ((cp->phy_type & CAS_PHY_SERDES)) { + atomic_inc(&cp->reset_task_pending_all); + } else { + atomic_inc(&cp->reset_task_pending_mtu); + } + schedule_work(&cp->reset_task); +#else + atomic_set(&cp->reset_task_pending, (cp->phy_type & CAS_PHY_SERDES) ? + CAS_RESET_ALL : CAS_RESET_MTU); + printk(KERN_ERR "reset called in cas_change_mtu\n"); + schedule_work(&cp->reset_task); +#endif + + flush_scheduled_work(); + return 0; +} + +static void cas_clean_txd(struct cas *cp, int ring) +{ + struct cas_tx_desc *txd = cp->init_txds[ring]; + struct sk_buff *skb, **skbs = cp->tx_skbs[ring]; + u64 daddr, dlen; + int i, size; + + size = TX_DESC_RINGN_SIZE(ring); + for (i = 0; i < size; i++) { + int frag; + + if (skbs[i] == NULL) + continue; + + skb = skbs[i]; + skbs[i] = NULL; + + for (frag = 0; frag <= skb_shinfo(skb)->nr_frags; frag++) { + int ent = i & (size - 1); + + /* first buffer is never a tiny buffer and so + * needs to be unmapped. + */ + daddr = le64_to_cpu(txd[ent].buffer); + dlen = CAS_VAL(TX_DESC_BUFLEN, + le64_to_cpu(txd[ent].control)); + pci_unmap_page(cp->pdev, daddr, dlen, + PCI_DMA_TODEVICE); + + if (frag != skb_shinfo(skb)->nr_frags) { + i++; + + /* next buffer might by a tiny buffer. + * skip past it. + */ + ent = i & (size - 1); + if (cp->tx_tiny_use[ring][ent].used) + i++; + } + } + dev_kfree_skb_any(skb); + } + + /* zero out tiny buf usage */ + memset(cp->tx_tiny_use[ring], 0, size*sizeof(*cp->tx_tiny_use[ring])); +} + +/* freed on close */ +static inline void cas_free_rx_desc(struct cas *cp, int ring) +{ + cas_page_t **page = cp->rx_pages[ring]; + int i, size; + + size = RX_DESC_RINGN_SIZE(ring); + for (i = 0; i < size; i++) { + if (page[i]) { + cas_page_free(cp, page[i]); + page[i] = NULL; + } + } +} + +static void cas_free_rxds(struct cas *cp) +{ + int i; + + for (i = 0; i < N_RX_DESC_RINGS; i++) + cas_free_rx_desc(cp, i); +} + +/* Must be invoked under cp->lock. */ +static void cas_clean_rings(struct cas *cp) +{ + int i; + + /* need to clean all tx rings */ + memset(cp->tx_old, 0, sizeof(*cp->tx_old)*N_TX_RINGS); + memset(cp->tx_new, 0, sizeof(*cp->tx_new)*N_TX_RINGS); + for (i = 0; i < N_TX_RINGS; i++) + cas_clean_txd(cp, i); + + /* zero out init block */ + memset(cp->init_block, 0, sizeof(struct cas_init_block)); + cas_clean_rxds(cp); + cas_clean_rxcs(cp); +} + +/* allocated on open */ +static inline int cas_alloc_rx_desc(struct cas *cp, int ring) +{ + cas_page_t **page = cp->rx_pages[ring]; + int size, i = 0; + + size = RX_DESC_RINGN_SIZE(ring); + for (i = 0; i < size; i++) { + if ((page[i] = cas_page_alloc(cp, GFP_KERNEL)) == NULL) + return -1; + } + return 0; +} + +static int cas_alloc_rxds(struct cas *cp) +{ + int i; + + for (i = 0; i < N_RX_DESC_RINGS; i++) { + if (cas_alloc_rx_desc(cp, i) < 0) { + cas_free_rxds(cp); + return -1; + } + } + return 0; +} + +static void cas_reset_task(void *data) +{ + struct cas *cp = (struct cas *) data; +#if 0 + int pending = atomic_read(&cp->reset_task_pending); +#else + int pending_all = atomic_read(&cp->reset_task_pending_all); + int pending_spare = atomic_read(&cp->reset_task_pending_spare); + int pending_mtu = atomic_read(&cp->reset_task_pending_mtu); + + if (pending_all == 0 && pending_spare == 0 && pending_mtu == 0) { + /* We can have more tasks scheduled than actually + * needed. + */ + atomic_dec(&cp->reset_task_pending); + return; + } +#endif + /* The link went down, we reset the ring, but keep + * DMA stopped. Use this function for reset + * on error as well. + */ + if (cp->hw_running) { + unsigned long flags; + + /* Make sure we don't get interrupts or tx packets */ + netif_device_detach(cp->dev); + cas_lock_all_save(cp, flags); + + if (cp->opened) { + /* We call cas_spare_recover when we call cas_open. + * but we do not initialize the lists cas_spare_recover + * uses until cas_open is called. + */ + cas_spare_recover(cp, GFP_ATOMIC); + } +#if 1 + /* test => only pending_spare set */ + if (!pending_all && !pending_mtu) + goto done; +#else + if (pending == CAS_RESET_SPARE) + goto done; +#endif + /* when pending == CAS_RESET_ALL, the following + * call to cas_init_hw will restart auto negotiation. + * Setting the second argument of cas_reset to + * !(pending == CAS_RESET_ALL) will set this argument + * to 1 (avoiding reinitializing the PHY for the normal + * PCS case) when auto negotiation is not restarted. + */ +#if 1 + cas_reset(cp, !(pending_all > 0)); + if (cp->opened) + cas_clean_rings(cp); + cas_init_hw(cp, (pending_all > 0)); +#else + cas_reset(cp, !(pending == CAS_RESET_ALL)); + if (cp->opened) + cas_clean_rings(cp); + cas_init_hw(cp, pending == CAS_RESET_ALL); +#endif + +done: + cas_unlock_all_restore(cp, flags); + netif_device_attach(cp->dev); + } +#if 1 + atomic_sub(pending_all, &cp->reset_task_pending_all); + atomic_sub(pending_spare, &cp->reset_task_pending_spare); + atomic_sub(pending_mtu, &cp->reset_task_pending_mtu); + atomic_dec(&cp->reset_task_pending); +#else + atomic_set(&cp->reset_task_pending, 0); +#endif +} + +static void cas_link_timer(unsigned long data) +{ + struct cas *cp = (struct cas *) data; + int mask, pending = 0, reset = 0; + unsigned long flags; + + if (link_transition_timeout != 0 && + cp->link_transition_jiffies_valid && + ((jiffies - cp->link_transition_jiffies) > + (link_transition_timeout))) { + /* One-second counter so link-down workaround doesn't + * cause resets to occur so fast as to fool the switch + * into thinking the link is down. + */ + cp->link_transition_jiffies_valid = 0; + } + + if (!cp->hw_running) + return; + + spin_lock_irqsave(&cp->lock, flags); + cas_lock_tx(cp); + cas_entropy_gather(cp); + + /* If the link task is still pending, we just + * reschedule the link timer + */ +#if 1 + if (atomic_read(&cp->reset_task_pending_all) || + atomic_read(&cp->reset_task_pending_spare) || + atomic_read(&cp->reset_task_pending_mtu)) + goto done; +#else + if (atomic_read(&cp->reset_task_pending)) + goto done; +#endif + + /* check for rx cleaning */ + if ((mask = (cp->cas_flags & CAS_FLAG_RXD_POST_MASK))) { + int i, rmask; + + for (i = 0; i < MAX_RX_DESC_RINGS; i++) { + rmask = CAS_FLAG_RXD_POST(i); + if ((mask & rmask) == 0) + continue; + + /* post_rxds will do a mod_timer */ + if (cas_post_rxds_ringN(cp, i, cp->rx_last[i]) < 0) { + pending = 1; + continue; + } + cp->cas_flags &= ~rmask; + } + } + + if (CAS_PHY_MII(cp->phy_type)) { + u16 bmsr; + cas_mif_poll(cp, 0); + bmsr = cas_phy_read(cp, MII_BMSR); + /* WTZ: Solaris driver reads this twice, but that + * may be due to the PCS case and the use of a + * common implementation. Read it twice here to be + * safe. + */ + bmsr = cas_phy_read(cp, MII_BMSR); + cas_mif_poll(cp, 1); + readl(cp->regs + REG_MIF_STATUS); /* avoid dups */ + reset = cas_mii_link_check(cp, bmsr); + } else { + reset = cas_pcs_link_check(cp); + } + + if (reset) + goto done; + + /* check for tx state machine confusion */ + if ((readl(cp->regs + REG_MAC_TX_STATUS) & MAC_TX_FRAME_XMIT) == 0) { + u32 val = readl(cp->regs + REG_MAC_STATE_MACHINE); + u32 wptr, rptr; + int tlm = CAS_VAL(MAC_SM_TLM, val); + + if (((tlm == 0x5) || (tlm == 0x3)) && + (CAS_VAL(MAC_SM_ENCAP_SM, val) == 0)) { + if (netif_msg_tx_err(cp)) + printk(KERN_DEBUG "%s: tx err: " + "MAC_STATE[%08x]\n", + cp->dev->name, val); + reset = 1; + goto done; + } + + val = readl(cp->regs + REG_TX_FIFO_PKT_CNT); + wptr = readl(cp->regs + REG_TX_FIFO_WRITE_PTR); + rptr = readl(cp->regs + REG_TX_FIFO_READ_PTR); + if ((val == 0) && (wptr != rptr)) { + if (netif_msg_tx_err(cp)) + printk(KERN_DEBUG "%s: tx err: " + "TX_FIFO[%08x:%08x:%08x]\n", + cp->dev->name, val, wptr, rptr); + reset = 1; + } + + if (reset) + cas_hard_reset(cp); + } + +done: + if (reset) { +#if 1 + atomic_inc(&cp->reset_task_pending); + atomic_inc(&cp->reset_task_pending_all); + schedule_work(&cp->reset_task); +#else + atomic_set(&cp->reset_task_pending, CAS_RESET_ALL); + printk(KERN_ERR "reset called in cas_link_timer\n"); + schedule_work(&cp->reset_task); +#endif + } + + if (!pending) + mod_timer(&cp->link_timer, jiffies + CAS_LINK_TIMEOUT); + cas_unlock_tx(cp); + spin_unlock_irqrestore(&cp->lock, flags); +} + +/* tiny buffers are used to avoid target abort issues with + * older cassini's + */ +static void cas_tx_tiny_free(struct cas *cp) +{ + struct pci_dev *pdev = cp->pdev; + int i; + + for (i = 0; i < N_TX_RINGS; i++) { + if (!cp->tx_tiny_bufs[i]) + continue; + + pci_free_consistent(pdev, TX_TINY_BUF_BLOCK, + cp->tx_tiny_bufs[i], + cp->tx_tiny_dvma[i]); + cp->tx_tiny_bufs[i] = NULL; + } +} + +static int cas_tx_tiny_alloc(struct cas *cp) +{ + struct pci_dev *pdev = cp->pdev; + int i; + + for (i = 0; i < N_TX_RINGS; i++) { + cp->tx_tiny_bufs[i] = + pci_alloc_consistent(pdev, TX_TINY_BUF_BLOCK, + &cp->tx_tiny_dvma[i]); + if (!cp->tx_tiny_bufs[i]) { + cas_tx_tiny_free(cp); + return -1; + } + } + return 0; +} + + +static int cas_open(struct net_device *dev) +{ + struct cas *cp = netdev_priv(dev); + int hw_was_up, err; + unsigned long flags; + + down(&cp->pm_sem); + + hw_was_up = cp->hw_running; + + /* The power-management semaphore protects the hw_running + * etc. state so it is safe to do this bit without cp->lock + */ + if (!cp->hw_running) { + /* Reset the chip */ + cas_lock_all_save(cp, flags); + /* We set the second arg to cas_reset to zero + * because cas_init_hw below will have its second + * argument set to non-zero, which will force + * autonegotiation to start. + */ + cas_reset(cp, 0); + cp->hw_running = 1; + cas_unlock_all_restore(cp, flags); + } + + if (cas_tx_tiny_alloc(cp) < 0) + return -ENOMEM; + + /* alloc rx descriptors */ + err = -ENOMEM; + if (cas_alloc_rxds(cp) < 0) + goto err_tx_tiny; + + /* allocate spares */ + cas_spare_init(cp); + cas_spare_recover(cp, GFP_KERNEL); + + /* We can now request the interrupt as we know it's masked + * on the controller. cassini+ has up to 4 interrupts + * that can be used, but you need to do explicit pci interrupt + * mapping to expose them + */ + if (request_irq(cp->pdev->irq, cas_interrupt, + SA_SHIRQ, dev->name, (void *) dev)) { + printk(KERN_ERR "%s: failed to request irq !\n", + cp->dev->name); + err = -EAGAIN; + goto err_spare; + } + + /* init hw */ + cas_lock_all_save(cp, flags); + cas_clean_rings(cp); + cas_init_hw(cp, !hw_was_up); + cp->opened = 1; + cas_unlock_all_restore(cp, flags); + + netif_start_queue(dev); + up(&cp->pm_sem); + return 0; + +err_spare: + cas_spare_free(cp); + cas_free_rxds(cp); +err_tx_tiny: + cas_tx_tiny_free(cp); + up(&cp->pm_sem); + return err; +} + +static int cas_close(struct net_device *dev) +{ + unsigned long flags; + struct cas *cp = netdev_priv(dev); + + /* Make sure we don't get distracted by suspend/resume */ + down(&cp->pm_sem); + + netif_stop_queue(dev); + + /* Stop traffic, mark us closed */ + cas_lock_all_save(cp, flags); + cp->opened = 0; + cas_reset(cp, 0); + cas_phy_init(cp); + cas_begin_auto_negotiation(cp, NULL); + cas_clean_rings(cp); + cas_unlock_all_restore(cp, flags); + + free_irq(cp->pdev->irq, (void *) dev); + cas_spare_free(cp); + cas_free_rxds(cp); + cas_tx_tiny_free(cp); + up(&cp->pm_sem); + return 0; +} + +static struct { + const char name[ETH_GSTRING_LEN]; +} ethtool_cassini_statnames[] = { + {"collisions"}, + {"rx_bytes"}, + {"rx_crc_errors"}, + {"rx_dropped"}, + {"rx_errors"}, + {"rx_fifo_errors"}, + {"rx_frame_errors"}, + {"rx_length_errors"}, + {"rx_over_errors"}, + {"rx_packets"}, + {"tx_aborted_errors"}, + {"tx_bytes"}, + {"tx_dropped"}, + {"tx_errors"}, + {"tx_fifo_errors"}, + {"tx_packets"} +}; +#define CAS_NUM_STAT_KEYS (sizeof(ethtool_cassini_statnames)/ETH_GSTRING_LEN) + +static struct { + const int offsets; /* neg. values for 2nd arg to cas_read_phy */ +} ethtool_register_table[] = { + {-MII_BMSR}, + {-MII_BMCR}, + {REG_CAWR}, + {REG_INF_BURST}, + {REG_BIM_CFG}, + {REG_RX_CFG}, + {REG_HP_CFG}, + {REG_MAC_TX_CFG}, + {REG_MAC_RX_CFG}, + {REG_MAC_CTRL_CFG}, + {REG_MAC_XIF_CFG}, + {REG_MIF_CFG}, + {REG_PCS_CFG}, + {REG_SATURN_PCFG}, + {REG_PCS_MII_STATUS}, + {REG_PCS_STATE_MACHINE}, + {REG_MAC_COLL_EXCESS}, + {REG_MAC_COLL_LATE} +}; +#define CAS_REG_LEN (sizeof(ethtool_register_table)/sizeof(int)) +#define CAS_MAX_REGS (sizeof (u32)*CAS_REG_LEN) + +static u8 *cas_get_regs(struct cas *cp) +{ + u8 *ptr = kmalloc(CAS_MAX_REGS, GFP_KERNEL); + u8 *p; + int i; + unsigned long flags; + + if (!ptr) + return NULL; + + spin_lock_irqsave(&cp->lock, flags); + for (i = 0, p = ptr; i < CAS_REG_LEN ; i ++, p += sizeof(u32)) { + u16 hval; + u32 val; + if (ethtool_register_table[i].offsets < 0) { + hval = cas_phy_read(cp, + -ethtool_register_table[i].offsets); + val = hval; + } else { + val= readl(cp->regs+ethtool_register_table[i].offsets); + } + memcpy(p, (u8 *)&val, sizeof(u32)); + } + spin_unlock_irqrestore(&cp->lock, flags); + + return ptr; +} + +static struct net_device_stats *cas_get_stats(struct net_device *dev) +{ + struct cas *cp = netdev_priv(dev); + struct net_device_stats *stats = cp->net_stats; + unsigned long flags; + int i; + unsigned long tmp; + + /* we collate all of the stats into net_stats[N_TX_RING] */ + if (!cp->hw_running) + return stats + N_TX_RINGS; + + /* collect outstanding stats */ + /* WTZ: the Cassini spec gives these as 16 bit counters but + * stored in 32-bit words. Added a mask of 0xffff to be safe, + * in case the chip somehow puts any garbage in the other bits. + * Also, counter usage didn't seem to mach what Adrian did + * in the parts of the code that set these quantities. Made + * that consistent. + */ + spin_lock_irqsave(&cp->stat_lock[N_TX_RINGS], flags); + stats[N_TX_RINGS].rx_crc_errors += + readl(cp->regs + REG_MAC_FCS_ERR) & 0xffff; + stats[N_TX_RINGS].rx_frame_errors += + readl(cp->regs + REG_MAC_ALIGN_ERR) &0xffff; + stats[N_TX_RINGS].rx_length_errors += + readl(cp->regs + REG_MAC_LEN_ERR) & 0xffff; +#if 1 + tmp = (readl(cp->regs + REG_MAC_COLL_EXCESS) & 0xffff) + + (readl(cp->regs + REG_MAC_COLL_LATE) & 0xffff); + stats[N_TX_RINGS].tx_aborted_errors += tmp; + stats[N_TX_RINGS].collisions += + tmp + (readl(cp->regs + REG_MAC_COLL_NORMAL) & 0xffff); +#else + stats[N_TX_RINGS].tx_aborted_errors += + readl(cp->regs + REG_MAC_COLL_EXCESS); + stats[N_TX_RINGS].collisions += readl(cp->regs + REG_MAC_COLL_EXCESS) + + readl(cp->regs + REG_MAC_COLL_LATE); +#endif + cas_clear_mac_err(cp); + + /* saved bits that are unique to ring 0 */ + spin_lock(&cp->stat_lock[0]); + stats[N_TX_RINGS].collisions += stats[0].collisions; + stats[N_TX_RINGS].rx_over_errors += stats[0].rx_over_errors; + stats[N_TX_RINGS].rx_frame_errors += stats[0].rx_frame_errors; + stats[N_TX_RINGS].rx_fifo_errors += stats[0].rx_fifo_errors; + stats[N_TX_RINGS].tx_aborted_errors += stats[0].tx_aborted_errors; + stats[N_TX_RINGS].tx_fifo_errors += stats[0].tx_fifo_errors; + spin_unlock(&cp->stat_lock[0]); + + for (i = 0; i < N_TX_RINGS; i++) { + spin_lock(&cp->stat_lock[i]); + stats[N_TX_RINGS].rx_length_errors += + stats[i].rx_length_errors; + stats[N_TX_RINGS].rx_crc_errors += stats[i].rx_crc_errors; + stats[N_TX_RINGS].rx_packets += stats[i].rx_packets; + stats[N_TX_RINGS].tx_packets += stats[i].tx_packets; + stats[N_TX_RINGS].rx_bytes += stats[i].rx_bytes; + stats[N_TX_RINGS].tx_bytes += stats[i].tx_bytes; + stats[N_TX_RINGS].rx_errors += stats[i].rx_errors; + stats[N_TX_RINGS].tx_errors += stats[i].tx_errors; + stats[N_TX_RINGS].rx_dropped += stats[i].rx_dropped; + stats[N_TX_RINGS].tx_dropped += stats[i].tx_dropped; + memset(stats + i, 0, sizeof(struct net_device_stats)); + spin_unlock(&cp->stat_lock[i]); + } + spin_unlock_irqrestore(&cp->stat_lock[N_TX_RINGS], flags); + return stats + N_TX_RINGS; +} + + +static void cas_set_multicast(struct net_device *dev) +{ + struct cas *cp = netdev_priv(dev); + u32 rxcfg, rxcfg_new; + unsigned long flags; + int limit = STOP_TRIES; + + if (!cp->hw_running) + return; + + spin_lock_irqsave(&cp->lock, flags); + rxcfg = readl(cp->regs + REG_MAC_RX_CFG); + + /* disable RX MAC and wait for completion */ + writel(rxcfg & ~MAC_RX_CFG_EN, cp->regs + REG_MAC_RX_CFG); + while (readl(cp->regs + REG_MAC_RX_CFG) & MAC_RX_CFG_EN) { + if (!limit--) + break; + udelay(10); + } + + /* disable hash filter and wait for completion */ + limit = STOP_TRIES; + rxcfg &= ~(MAC_RX_CFG_PROMISC_EN | MAC_RX_CFG_HASH_FILTER_EN); + writel(rxcfg & ~MAC_RX_CFG_EN, cp->regs + REG_MAC_RX_CFG); + while (readl(cp->regs + REG_MAC_RX_CFG) & MAC_RX_CFG_HASH_FILTER_EN) { + if (!limit--) + break; + udelay(10); + } + + /* program hash filters */ + cp->mac_rx_cfg = rxcfg_new = cas_setup_multicast(cp); + rxcfg |= rxcfg_new; + writel(rxcfg, cp->regs + REG_MAC_RX_CFG); + spin_unlock_irqrestore(&cp->lock, flags); +} + +/* Eventually add support for changing the advertisement + * on autoneg. + */ +static int cas_ethtool_ioctl(struct net_device *dev, void __user *ep_user) +{ + struct cas *cp = netdev_priv(dev); + u16 bmcr; + int full_duplex, speed, pause; + struct ethtool_cmd ecmd; + unsigned long flags; + enum link_state linkstate = link_up; + + if (copy_from_user(&ecmd, ep_user, sizeof(ecmd))) + return -EFAULT; + + switch(ecmd.cmd) { + case ETHTOOL_GDRVINFO: { + struct ethtool_drvinfo info = { .cmd = ETHTOOL_GDRVINFO }; + + strncpy(info.driver, DRV_MODULE_NAME, + ETHTOOL_BUSINFO_LEN); + strncpy(info.version, DRV_MODULE_VERSION, + ETHTOOL_BUSINFO_LEN); + info.fw_version[0] = '\0'; + strncpy(info.bus_info, pci_name(cp->pdev), + ETHTOOL_BUSINFO_LEN); + info.regdump_len = cp->casreg_len < CAS_MAX_REGS ? + cp->casreg_len : CAS_MAX_REGS; + info.n_stats = CAS_NUM_STAT_KEYS; + if (copy_to_user(ep_user, &info, sizeof(info))) + return -EFAULT; + + return 0; + } + + case ETHTOOL_GSET: + ecmd.advertising = 0; + ecmd.supported = SUPPORTED_Autoneg; + if (cp->cas_flags & CAS_FLAG_1000MB_CAP) { + ecmd.supported |= SUPPORTED_1000baseT_Full; + ecmd.advertising |= ADVERTISED_1000baseT_Full; + } + + /* Record PHY settings if HW is on. */ + spin_lock_irqsave(&cp->lock, flags); + bmcr = 0; + linkstate = cp->lstate; + if (CAS_PHY_MII(cp->phy_type)) { + ecmd.port = PORT_MII; + ecmd.transceiver = (cp->cas_flags & CAS_FLAG_SATURN) ? + XCVR_INTERNAL : XCVR_EXTERNAL; + ecmd.phy_address = cp->phy_addr; + ecmd.advertising |= ADVERTISED_TP | ADVERTISED_MII | + ADVERTISED_10baseT_Half | + ADVERTISED_10baseT_Full | + ADVERTISED_100baseT_Half | + ADVERTISED_100baseT_Full; + + ecmd.supported |= + (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_TP | SUPPORTED_MII); + + if (cp->hw_running) { + cas_mif_poll(cp, 0); + bmcr = cas_phy_read(cp, MII_BMCR); + cas_read_mii_link_mode(cp, &full_duplex, + &speed, &pause); + cas_mif_poll(cp, 1); + } + + } else { + ecmd.port = PORT_FIBRE; + ecmd.transceiver = XCVR_INTERNAL; + ecmd.phy_address = 0; + ecmd.supported |= SUPPORTED_FIBRE; + ecmd.advertising |= ADVERTISED_FIBRE; + + if (cp->hw_running) { + /* pcs uses the same bits as mii */ + bmcr = readl(cp->regs + REG_PCS_MII_CTRL); + cas_read_pcs_link_mode(cp, &full_duplex, + &speed, &pause); + } + } + spin_unlock_irqrestore(&cp->lock, flags); + + if (bmcr & BMCR_ANENABLE) { + ecmd.advertising |= ADVERTISED_Autoneg; + ecmd.autoneg = AUTONEG_ENABLE; + ecmd.speed = ((speed == 10) ? + SPEED_10 : + ((speed == 1000) ? + SPEED_1000 : SPEED_100)); + ecmd.duplex = full_duplex ? DUPLEX_FULL : DUPLEX_HALF; + } else { + ecmd.autoneg = AUTONEG_DISABLE; + ecmd.speed = + (bmcr & CAS_BMCR_SPEED1000) ? + SPEED_1000 : + ((bmcr & BMCR_SPEED100) ? SPEED_100: + SPEED_10); + ecmd.duplex = + (bmcr & BMCR_FULLDPLX) ? + DUPLEX_FULL : DUPLEX_HALF; + } + if (linkstate != link_up) { + /* Force these to "unknown" if the link is not up and + * autonogotiation in enabled. We can set the link + * speed to 0, but not ecmd.duplex, + * because its legal values are 0 and 1. Ethtool will + * print the value reported in parentheses after the + * word "Unknown" for unrecognized values. + * + * If in forced mode, we report the speed and duplex + * settings that we configured. + */ + if (cp->link_cntl & BMCR_ANENABLE) { + ecmd.speed = 0; + ecmd.duplex = 0xff; + } else { + ecmd.speed = SPEED_10; + if (cp->link_cntl & BMCR_SPEED100) { + ecmd.speed = SPEED_100; + } else if (cp->link_cntl & CAS_BMCR_SPEED1000) { + ecmd.speed = SPEED_1000; + } + ecmd.duplex = (cp->link_cntl & BMCR_FULLDPLX)? + DUPLEX_FULL : DUPLEX_HALF; + } + } + if (copy_to_user(ep_user, &ecmd, sizeof(ecmd))) + return -EFAULT; + return 0; + + case ETHTOOL_SSET: + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + /* Verify the settings we care about. */ + if (ecmd.autoneg != AUTONEG_ENABLE && + ecmd.autoneg != AUTONEG_DISABLE) + return -EINVAL; + + if (ecmd.autoneg == AUTONEG_DISABLE && + ((ecmd.speed != SPEED_1000 && + ecmd.speed != SPEED_100 && + ecmd.speed != SPEED_10) || + (ecmd.duplex != DUPLEX_HALF && + ecmd.duplex != DUPLEX_FULL))) + return -EINVAL; + + /* Apply settings and restart link process. */ + spin_lock_irqsave(&cp->lock, flags); + cas_begin_auto_negotiation(cp, &ecmd); + spin_unlock_irqrestore(&cp->lock, flags); + return 0; + + case ETHTOOL_NWAY_RST: + if ((cp->link_cntl & BMCR_ANENABLE) == 0) + return -EINVAL; + + /* Restart link process. */ + spin_lock_irqsave(&cp->lock, flags); + cas_begin_auto_negotiation(cp, NULL); + spin_unlock_irqrestore(&cp->lock, flags); + + return 0; + + case ETHTOOL_GWOL: + case ETHTOOL_SWOL: + break; /* doesn't exist */ + + /* get link status */ + case ETHTOOL_GLINK: { + struct ethtool_value edata = { .cmd = ETHTOOL_GLINK }; + + edata.data = (cp->lstate == link_up); + if (copy_to_user(ep_user, &edata, sizeof(edata))) + return -EFAULT; + return 0; + } + + /* get message-level */ + case ETHTOOL_GMSGLVL: { + struct ethtool_value edata = { .cmd = ETHTOOL_GMSGLVL }; + + edata.data = cp->msg_enable; + if (copy_to_user(ep_user, &edata, sizeof(edata))) + return -EFAULT; + return 0; + } + + /* set message-level */ + case ETHTOOL_SMSGLVL: { + struct ethtool_value edata; + + if (!capable(CAP_NET_ADMIN)) { + return (-EPERM); + } + if (copy_from_user(&edata, ep_user, sizeof(edata))) + return -EFAULT; + cp->msg_enable = edata.data; + return 0; + } + + case ETHTOOL_GREGS: { + struct ethtool_regs edata; + u8 *ptr; + int len = cp->casreg_len < CAS_MAX_REGS ? + cp->casreg_len: CAS_MAX_REGS; + + if (copy_from_user(&edata, ep_user, sizeof (edata))) + return -EFAULT; + + if (edata.len > len) + edata.len = len; + edata.version = 0; + if (copy_to_user (ep_user, &edata, sizeof(edata))) + return -EFAULT; + + /* cas_get_regs handles locks (cp->lock). */ + ptr = cas_get_regs(cp); + if (ptr == NULL) + return -ENOMEM; + if (copy_to_user(ep_user + sizeof (edata), ptr, edata.len)) + return -EFAULT; + + kfree(ptr); + return (0); + } + case ETHTOOL_GSTRINGS: { + struct ethtool_gstrings edata; + int len; + + if (copy_from_user(&edata, ep_user, sizeof(edata))) + return -EFAULT; + + len = edata.len; + switch(edata.string_set) { + case ETH_SS_STATS: + edata.len = (len < CAS_NUM_STAT_KEYS) ? + len : CAS_NUM_STAT_KEYS; + if (copy_to_user(ep_user, &edata, sizeof(edata))) + return -EFAULT; + + if (copy_to_user(ep_user + sizeof(edata), + ðtool_cassini_statnames, + (edata.len * ETH_GSTRING_LEN))) + return -EFAULT; + return 0; + default: + return -EINVAL; + } + } + case ETHTOOL_GSTATS: { + int i = 0; + u64 *tmp; + struct ethtool_stats edata; + struct net_device_stats *stats; + int len; + + if (copy_from_user(&edata, ep_user, sizeof(edata))) + return -EFAULT; + + len = edata.n_stats; + stats = cas_get_stats(cp->dev); + edata.cmd = ETHTOOL_GSTATS; + edata.n_stats = (len < CAS_NUM_STAT_KEYS) ? + len : CAS_NUM_STAT_KEYS; + if (copy_to_user(ep_user, &edata, sizeof (edata))) + return -EFAULT; + + tmp = kmalloc(sizeof(u64)*CAS_NUM_STAT_KEYS, GFP_KERNEL); + if (tmp) { + tmp[i++] = stats->collisions; + tmp[i++] = stats->rx_bytes; + tmp[i++] = stats->rx_crc_errors; + tmp[i++] = stats->rx_dropped; + tmp[i++] = stats->rx_errors; + tmp[i++] = stats->rx_fifo_errors; + tmp[i++] = stats->rx_frame_errors; + tmp[i++] = stats->rx_length_errors; + tmp[i++] = stats->rx_over_errors; + tmp[i++] = stats->rx_packets; + tmp[i++] = stats->tx_aborted_errors; + tmp[i++] = stats->tx_bytes; + tmp[i++] = stats->tx_dropped; + tmp[i++] = stats->tx_errors; + tmp[i++] = stats->tx_fifo_errors; + tmp[i++] = stats->tx_packets; + BUG_ON(i != CAS_NUM_STAT_KEYS); + + i = copy_to_user(ep_user + sizeof(edata), + tmp, sizeof(u64)*edata.n_stats); + kfree(tmp); + } else { + return -ENOMEM; + } + if (i) + return -EFAULT; + return 0; + } + } + + return -EOPNOTSUPP; +} + +static int cas_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +{ + struct cas *cp = netdev_priv(dev); + struct mii_ioctl_data *data = if_mii(ifr); + unsigned long flags; + int rc = -EOPNOTSUPP; + + /* Hold the PM semaphore while doing ioctl's or we may collide + * with open/close and power management and oops. + */ + down(&cp->pm_sem); + switch (cmd) { + case SIOCETHTOOL: + rc = cas_ethtool_ioctl(dev, ifr->ifr_data); + break; + + case SIOCGMIIPHY: /* Get address of MII PHY in use. */ + data->phy_id = cp->phy_addr; + /* Fallthrough... */ + + case SIOCGMIIREG: /* Read MII PHY register. */ + spin_lock_irqsave(&cp->lock, flags); + cas_mif_poll(cp, 0); + data->val_out = cas_phy_read(cp, data->reg_num & 0x1f); + cas_mif_poll(cp, 1); + spin_unlock_irqrestore(&cp->lock, flags); + rc = 0; + break; + + case SIOCSMIIREG: /* Write MII PHY register. */ + if (!capable(CAP_NET_ADMIN)) { + rc = -EPERM; + break; + } + spin_lock_irqsave(&cp->lock, flags); + cas_mif_poll(cp, 0); + rc = cas_phy_write(cp, data->reg_num & 0x1f, data->val_in); + cas_mif_poll(cp, 1); + spin_unlock_irqrestore(&cp->lock, flags); + break; + default: + break; + }; + + up(&cp->pm_sem); + return rc; +} + +static int __devinit cas_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + static int cas_version_printed = 0; + unsigned long casreg_base, casreg_len; + struct net_device *dev; + struct cas *cp; + int i, err, pci_using_dac; + u16 pci_cmd; + u8 orig_cacheline_size = 0, cas_cacheline_size = 0; + + if (cas_version_printed++ == 0) + printk(KERN_INFO "%s", version); + + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR PFX "Cannot enable PCI device, " + "aborting.\n"); + return err; + } + + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { + printk(KERN_ERR PFX "Cannot find proper PCI device " + "base address, aborting.\n"); + err = -ENODEV; + goto err_out_disable_pdev; + } + + dev = alloc_etherdev(sizeof(*cp)); + if (!dev) { + printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n"); + err = -ENOMEM; + goto err_out_disable_pdev; + } + SET_MODULE_OWNER(dev); + SET_NETDEV_DEV(dev, &pdev->dev); + + err = pci_request_regions(pdev, dev->name); + if (err) { + printk(KERN_ERR PFX "Cannot obtain PCI resources, " + "aborting.\n"); + goto err_out_free_netdev; + } + pci_set_master(pdev); + + /* we must always turn on parity response or else parity + * doesn't get generated properly. disable SERR/PERR as well. + * in addition, we want to turn MWI on. + */ + pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); + pci_cmd &= ~PCI_COMMAND_SERR; + pci_cmd |= PCI_COMMAND_PARITY; + pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); + pci_set_mwi(pdev); + /* + * On some architectures, the default cache line size set + * by pci_set_mwi reduces perforamnce. We have to increase + * it for this case. To start, we'll print some configuration + * data. + */ +#if 1 + pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, + &orig_cacheline_size); + if (orig_cacheline_size < CAS_PREF_CACHELINE_SIZE) { + cas_cacheline_size = + (CAS_PREF_CACHELINE_SIZE < SMP_CACHE_BYTES) ? + CAS_PREF_CACHELINE_SIZE : SMP_CACHE_BYTES; + if (pci_write_config_byte(pdev, + PCI_CACHE_LINE_SIZE, + cas_cacheline_size)) { + printk(KERN_ERR PFX "Could not set PCI cache " + "line size\n"); + goto err_write_cacheline; + } + } +#endif + + + /* Configure DMA attributes. */ + if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { + pci_using_dac = 1; + err = pci_set_consistent_dma_mask(pdev, + DMA_64BIT_MASK); + if (err < 0) { + printk(KERN_ERR PFX "Unable to obtain 64-bit DMA " + "for consistent allocations\n"); + goto err_out_free_res; + } + + } else { + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + printk(KERN_ERR PFX "No usable DMA configuration, " + "aborting.\n"); + goto err_out_free_res; + } + pci_using_dac = 0; + } + + casreg_base = pci_resource_start(pdev, 0); + casreg_len = pci_resource_len(pdev, 0); + + cp = netdev_priv(dev); + cp->pdev = pdev; +#if 1 + /* A value of 0 indicates we never explicitly set it */ + cp->orig_cacheline_size = cas_cacheline_size ? orig_cacheline_size: 0; +#endif + cp->dev = dev; + cp->msg_enable = (cassini_debug < 0) ? CAS_DEF_MSG_ENABLE : + cassini_debug; + + cp->link_transition = LINK_TRANSITION_UNKNOWN; + cp->link_transition_jiffies_valid = 0; + + spin_lock_init(&cp->lock); + spin_lock_init(&cp->rx_inuse_lock); + spin_lock_init(&cp->rx_spare_lock); + for (i = 0; i < N_TX_RINGS; i++) { + spin_lock_init(&cp->stat_lock[i]); + spin_lock_init(&cp->tx_lock[i]); + } + spin_lock_init(&cp->stat_lock[N_TX_RINGS]); + init_MUTEX(&cp->pm_sem); + + init_timer(&cp->link_timer); + cp->link_timer.function = cas_link_timer; + cp->link_timer.data = (unsigned long) cp; + +#if 1 + /* Just in case the implementation of atomic operations + * change so that an explicit initialization is necessary. + */ + atomic_set(&cp->reset_task_pending, 0); + atomic_set(&cp->reset_task_pending_all, 0); + atomic_set(&cp->reset_task_pending_spare, 0); + atomic_set(&cp->reset_task_pending_mtu, 0); +#endif + INIT_WORK(&cp->reset_task, cas_reset_task, cp); + + /* Default link parameters */ + if (link_mode >= 0 && link_mode <= 6) + cp->link_cntl = link_modes[link_mode]; + else + cp->link_cntl = BMCR_ANENABLE; + cp->lstate = link_down; + cp->link_transition = LINK_TRANSITION_LINK_DOWN; + netif_carrier_off(cp->dev); + cp->timer_ticks = 0; + + /* give us access to cassini registers */ + cp->regs = ioremap(casreg_base, casreg_len); + if (cp->regs == 0UL) { + printk(KERN_ERR PFX "Cannot map device registers, " + "aborting.\n"); + goto err_out_free_res; + } + cp->casreg_len = casreg_len; + + pci_save_state(pdev); + cas_check_pci_invariants(cp); + cas_hard_reset(cp); + cas_reset(cp, 0); + if (cas_check_invariants(cp)) + goto err_out_iounmap; + + cp->init_block = (struct cas_init_block *) + pci_alloc_consistent(pdev, sizeof(struct cas_init_block), + &cp->block_dvma); + if (!cp->init_block) { + printk(KERN_ERR PFX "Cannot allocate init block, " + "aborting.\n"); + goto err_out_iounmap; + } + + for (i = 0; i < N_TX_RINGS; i++) + cp->init_txds[i] = cp->init_block->txds[i]; + + for (i = 0; i < N_RX_DESC_RINGS; i++) + cp->init_rxds[i] = cp->init_block->rxds[i]; + + for (i = 0; i < N_RX_COMP_RINGS; i++) + cp->init_rxcs[i] = cp->init_block->rxcs[i]; + + for (i = 0; i < N_RX_FLOWS; i++) + skb_queue_head_init(&cp->rx_flows[i]); + + dev->open = cas_open; + dev->stop = cas_close; + dev->hard_start_xmit = cas_start_xmit; + dev->get_stats = cas_get_stats; + dev->set_multicast_list = cas_set_multicast; + dev->do_ioctl = cas_ioctl; + dev->tx_timeout = cas_tx_timeout; + dev->watchdog_timeo = CAS_TX_TIMEOUT; + dev->change_mtu = cas_change_mtu; +#ifdef USE_NAPI + dev->poll = cas_poll; + dev->weight = 64; +#endif +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = cas_netpoll; +#endif + dev->irq = pdev->irq; + dev->dma = 0; + + /* Cassini features. */ + if ((cp->cas_flags & CAS_FLAG_NO_HW_CSUM) == 0) + dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; + + if (pci_using_dac) + dev->features |= NETIF_F_HIGHDMA; + + if (register_netdev(dev)) { + printk(KERN_ERR PFX "Cannot register net device, " + "aborting.\n"); + goto err_out_free_consistent; + } + + i = readl(cp->regs + REG_BIM_CFG); + printk(KERN_INFO "%s: Sun Cassini%s (%sbit/%sMHz PCI/%s) " + "Ethernet[%d] ", dev->name, + (cp->cas_flags & CAS_FLAG_REG_PLUS) ? "+" : "", + (i & BIM_CFG_32BIT) ? "32" : "64", + (i & BIM_CFG_66MHZ) ? "66" : "33", + (cp->phy_type == CAS_PHY_SERDES) ? "Fi" : "Cu", pdev->irq); + + for (i = 0; i < 6; i++) + printk("%2.2x%c", dev->dev_addr[i], + i == 5 ? ' ' : ':'); + printk("\n"); + + pci_set_drvdata(pdev, dev); + cp->hw_running = 1; + cas_entropy_reset(cp); + cas_phy_init(cp); + cas_begin_auto_negotiation(cp, NULL); + return 0; + +err_out_free_consistent: + pci_free_consistent(pdev, sizeof(struct cas_init_block), + cp->init_block, cp->block_dvma); + +err_out_iounmap: + down(&cp->pm_sem); + if (cp->hw_running) + cas_shutdown(cp); + up(&cp->pm_sem); + + iounmap(cp->regs); + + +err_out_free_res: + pci_release_regions(pdev); + +err_write_cacheline: + /* Try to restore it in case the error occured after we + * set it. + */ + pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, orig_cacheline_size); + +err_out_free_netdev: + free_netdev(dev); + +err_out_disable_pdev: + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); + return -ENODEV; +} + +static void __devexit cas_remove_one(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct cas *cp; + if (!dev) + return; + + cp = netdev_priv(dev); + unregister_netdev(dev); + + down(&cp->pm_sem); + flush_scheduled_work(); + if (cp->hw_running) + cas_shutdown(cp); + up(&cp->pm_sem); + +#if 1 + if (cp->orig_cacheline_size) { + /* Restore the cache line size if we had modified + * it. + */ + pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, + cp->orig_cacheline_size); + } +#endif + pci_free_consistent(pdev, sizeof(struct cas_init_block), + cp->init_block, cp->block_dvma); + iounmap(cp->regs); + free_netdev(dev); + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); +} + +#ifdef CONFIG_PM +static int cas_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct cas *cp = netdev_priv(dev); + unsigned long flags; + + /* We hold the PM semaphore during entire driver + * sleep time + */ + down(&cp->pm_sem); + + /* If the driver is opened, we stop the DMA */ + if (cp->opened) { + netif_device_detach(dev); + + cas_lock_all_save(cp, flags); + + /* We can set the second arg of cas_reset to 0 + * because on resume, we'll call cas_init_hw with + * its second arg set so that autonegotiation is + * restarted. + */ + cas_reset(cp, 0); + cas_clean_rings(cp); + cas_unlock_all_restore(cp, flags); + } + + if (cp->hw_running) + cas_shutdown(cp); + + return 0; +} + +static int cas_resume(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct cas *cp = netdev_priv(dev); + + printk(KERN_INFO "%s: resuming\n", dev->name); + + cas_hard_reset(cp); + if (cp->opened) { + unsigned long flags; + cas_lock_all_save(cp, flags); + cas_reset(cp, 0); + cp->hw_running = 1; + cas_clean_rings(cp); + cas_init_hw(cp, 1); + cas_unlock_all_restore(cp, flags); + + netif_device_attach(dev); + } + up(&cp->pm_sem); + return 0; +} +#endif /* CONFIG_PM */ + +static struct pci_driver cas_driver = { + .name = DRV_MODULE_NAME, + .id_table = cas_pci_tbl, + .probe = cas_init_one, + .remove = __devexit_p(cas_remove_one), +#ifdef CONFIG_PM + .suspend = cas_suspend, + .resume = cas_resume +#endif +}; + +static int __init cas_init(void) +{ + if (linkdown_timeout > 0) + link_transition_timeout = linkdown_timeout * HZ; + else + link_transition_timeout = 0; + + return pci_module_init(&cas_driver); +} + +static void __exit cas_cleanup(void) +{ + pci_unregister_driver(&cas_driver); +} + +module_init(cas_init); +module_exit(cas_cleanup); diff --git a/drivers/net/cassini.h b/drivers/net/cassini.h new file mode 100644 index 00000000000..88063ef16cf --- /dev/null +++ b/drivers/net/cassini.h @@ -0,0 +1,4425 @@ +/* $Id: cassini.h,v 1.16 2004/08/17 21:15:16 zaumen Exp $ + * cassini.h: Definitions for Sun Microsystems Cassini(+) ethernet driver. + * + * Copyright (C) 2004 Sun Microsystems Inc. + * Copyright (c) 2003 Adrian Sun (asun@darksunrising.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + * + * vendor id: 0x108E (Sun Microsystems, Inc.) + * device id: 0xabba (Cassini) + * revision ids: 0x01 = Cassini + * 0x02 = Cassini rev 2 + * 0x10 = Cassini+ + * 0x11 = Cassini+ 0.2u + * + * vendor id: 0x100b (National Semiconductor) + * device id: 0x0035 (DP83065/Saturn) + * revision ids: 0x30 = Saturn B2 + * + * rings are all offset from 0. + * + * there are two clock domains: + * PCI: 33/66MHz clock + * chip: 125MHz clock + */ + +#ifndef _CASSINI_H +#define _CASSINI_H + +/* cassini register map: 2M memory mapped in 32-bit memory space accessible as + * 32-bit words. there is no i/o port access. REG_ addresses are + * shared between cassini and cassini+. REG_PLUS_ addresses only + * appear in cassini+. REG_MINUS_ addresses only appear in cassini. + */ +#define CAS_ID_REV2 0x02 +#define CAS_ID_REVPLUS 0x10 +#define CAS_ID_REVPLUS02u 0x11 +#define CAS_ID_REVSATURNB2 0x30 + +/** global resources **/ + +/* this register sets the weights for the weighted round robin arbiter. e.g., + * if rx weight == 1 and tx weight == 0, rx == 2x tx transfer credit + * for its next turn to access the pci bus. + * map: 0x0 = x1, 0x1 = x2, 0x2 = x4, 0x3 = x8 + * DEFAULT: 0x0, SIZE: 5 bits + */ +#define REG_CAWR 0x0004 /* core arbitration weight */ +#define CAWR_RX_DMA_WEIGHT_SHIFT 0 +#define CAWR_RX_DMA_WEIGHT_MASK 0x03 /* [0:1] */ +#define CAWR_TX_DMA_WEIGHT_SHIFT 2 +#define CAWR_TX_DMA_WEIGHT_MASK 0x0C /* [3:2] */ +#define CAWR_RR_DIS 0x10 /* [4] */ + +/* if enabled, BIM can send bursts across PCI bus > cacheline size. burst + * sizes determined by length of packet or descriptor transfer and the + * max length allowed by the target. + * DEFAULT: 0x0, SIZE: 1 bit + */ +#define REG_INF_BURST 0x0008 /* infinite burst enable reg */ +#define INF_BURST_EN 0x1 /* enable */ + +/* top level interrupts [0-9] are auto-cleared to 0 when the status + * register is read. second level interrupts [13 - 18] are cleared at + * the source. tx completion register 3 is replicated in [19 - 31] + * DEFAULT: 0x00000000, SIZE: 29 bits + */ +#define REG_INTR_STATUS 0x000C /* interrupt status register */ +#define INTR_TX_INTME 0x00000001 /* frame w/ INT ME desc bit set + xferred from host queue to + TX FIFO */ +#define INTR_TX_ALL 0x00000002 /* all xmit frames xferred into + TX FIFO. i.e., + TX Kick == TX complete. if + PACED_MODE set, then TX FIFO + also empty */ +#define INTR_TX_DONE 0x00000004 /* any frame xferred into tx + FIFO */ +#define INTR_TX_TAG_ERROR 0x00000008 /* TX FIFO tag framing + corrupted. FATAL ERROR */ +#define INTR_RX_DONE 0x00000010 /* at least 1 frame xferred + from RX FIFO to host mem. + RX completion reg updated. + may be delayed by recv + intr blanking. */ +#define INTR_RX_BUF_UNAVAIL 0x00000020 /* no more receive buffers. + RX Kick == RX complete */ +#define INTR_RX_TAG_ERROR 0x00000040 /* RX FIFO tag framing + corrupted. FATAL ERROR */ +#define INTR_RX_COMP_FULL 0x00000080 /* no more room in completion + ring to post descriptors. + RX complete head incr to + almost reach RX complete + tail */ +#define INTR_RX_BUF_AE 0x00000100 /* less than the + programmable threshold # + of free descr avail for + hw use */ +#define INTR_RX_COMP_AF 0x00000200 /* less than the + programmable threshold # + of descr spaces for hw + use in completion descr + ring */ +#define INTR_RX_LEN_MISMATCH 0x00000400 /* len field from MAC != + len of non-reassembly pkt + from fifo during DMA or + header parser provides TCP + header and payload size > + MAC packet size. + FATAL ERROR */ +#define INTR_SUMMARY 0x00001000 /* summary interrupt bit. this + bit will be set if an interrupt + generated on the pci bus. useful + when driver is polling for + interrupts */ +#define INTR_PCS_STATUS 0x00002000 /* PCS interrupt status register */ +#define INTR_TX_MAC_STATUS 0x00004000 /* TX MAC status register has at + least 1 unmasked interrupt set */ +#define INTR_RX_MAC_STATUS 0x00008000 /* RX MAC status register has at + least 1 unmasked interrupt set */ +#define INTR_MAC_CTRL_STATUS 0x00010000 /* MAC control status register has + at least 1 unmasked interrupt + set */ +#define INTR_MIF_STATUS 0x00020000 /* MIF status register has at least + 1 unmasked interrupt set */ +#define INTR_PCI_ERROR_STATUS 0x00040000 /* PCI error status register in the + BIF has at least 1 unmasked + interrupt set */ +#define INTR_TX_COMP_3_MASK 0xFFF80000 /* mask for TX completion + 3 reg data */ +#define INTR_TX_COMP_3_SHIFT 19 +#define INTR_ERROR_MASK (INTR_MIF_STATUS | INTR_PCI_ERROR_STATUS | \ + INTR_PCS_STATUS | INTR_RX_LEN_MISMATCH | \ + INTR_TX_MAC_STATUS | INTR_RX_MAC_STATUS | \ + INTR_TX_TAG_ERROR | INTR_RX_TAG_ERROR | \ + INTR_MAC_CTRL_STATUS) + +/* determines which status events will cause an interrupt. layout same + * as REG_INTR_STATUS. + * DEFAULT: 0xFFFFFFFF, SIZE: 16 bits + */ +#define REG_INTR_MASK 0x0010 /* Interrupt mask */ + +/* top level interrupt bits that are cleared during read of REG_INTR_STATUS_ALIAS. + * useful when driver is polling for interrupts. layout same as REG_INTR_MASK. + * DEFAULT: 0x00000000, SIZE: 12 bits + */ +#define REG_ALIAS_CLEAR 0x0014 /* alias clear mask + (used w/ status alias) */ +/* same as REG_INTR_STATUS except that only bits cleared are those selected by + * REG_ALIAS_CLEAR + * DEFAULT: 0x00000000, SIZE: 29 bits + */ +#define REG_INTR_STATUS_ALIAS 0x001C /* interrupt status alias + (selective clear) */ + +/* DEFAULT: 0x0, SIZE: 3 bits */ +#define REG_PCI_ERR_STATUS 0x1000 /* PCI error status */ +#define PCI_ERR_BADACK 0x01 /* reserved in Cassini+. + set if no ACK64# during ABS64 cycle + in Cassini. */ +#define PCI_ERR_DTRTO 0x02 /* delayed xaction timeout. set if + no read retry after 2^15 clocks */ +#define PCI_ERR_OTHER 0x04 /* other PCI errors */ +#define PCI_ERR_BIM_DMA_WRITE 0x08 /* BIM received 0 count DMA write req. + unused in Cassini. */ +#define PCI_ERR_BIM_DMA_READ 0x10 /* BIM received 0 count DMA read req. + unused in Cassini. */ +#define PCI_ERR_BIM_DMA_TIMEOUT 0x20 /* BIM received 255 retries during + DMA. unused in cassini. */ + +/* mask for PCI status events that will set PCI_ERR_STATUS. if cleared, event + * causes an interrupt to be generated. + * DEFAULT: 0x7, SIZE: 3 bits + */ +#define REG_PCI_ERR_STATUS_MASK 0x1004 /* PCI Error status mask */ + +/* used to configure PCI related parameters that are not in PCI config space. + * DEFAULT: 0bxx000, SIZE: 5 bits + */ +#define REG_BIM_CFG 0x1008 /* BIM Configuration */ +#define BIM_CFG_RESERVED0 0x001 /* reserved */ +#define BIM_CFG_RESERVED1 0x002 /* reserved */ +#define BIM_CFG_64BIT_DISABLE 0x004 /* disable 64-bit mode */ +#define BIM_CFG_66MHZ 0x008 /* (ro) 1 = 66MHz, 0 = < 66MHz */ +#define BIM_CFG_32BIT 0x010 /* (ro) 1 = 32-bit slot, 0 = 64-bit */ +#define BIM_CFG_DPAR_INTR_ENABLE 0x020 /* detected parity err enable */ +#define BIM_CFG_RMA_INTR_ENABLE 0x040 /* master abort intr enable */ +#define BIM_CFG_RTA_INTR_ENABLE 0x080 /* target abort intr enable */ +#define BIM_CFG_RESERVED2 0x100 /* reserved */ +#define BIM_CFG_BIM_DISABLE 0x200 /* stop BIM DMA. use before global + reset. reserved in Cassini. */ +#define BIM_CFG_BIM_STATUS 0x400 /* (ro) 1 = BIM DMA suspended. + reserved in Cassini. */ +#define BIM_CFG_PERROR_BLOCK 0x800 /* block PERR# to pci bus. def: 0. + reserved in Cassini. */ + +/* DEFAULT: 0x00000000, SIZE: 32 bits */ +#define REG_BIM_DIAG 0x100C /* BIM Diagnostic */ +#define BIM_DIAG_MSTR_SM_MASK 0x3FFFFF00 /* PCI master controller state + machine bits [21:0] */ +#define BIM_DIAG_BRST_SM_MASK 0x7F /* PCI burst controller state + machine bits [6:0] */ + +/* writing to SW_RESET_TX and SW_RESET_RX will issue a global + * reset. poll until TX and RX read back as 0's for completion. + */ +#define REG_SW_RESET 0x1010 /* Software reset */ +#define SW_RESET_TX 0x00000001 /* reset TX DMA engine. poll until + cleared to 0. */ +#define SW_RESET_RX 0x00000002 /* reset RX DMA engine. poll until + cleared to 0. */ +#define SW_RESET_RSTOUT 0x00000004 /* force RSTOUT# pin active (low). + resets PHY and anything else + connected to RSTOUT#. RSTOUT# + is also activated by local PCI + reset when hot-swap is being + done. */ +#define SW_RESET_BLOCK_PCS_SLINK 0x00000008 /* if a global reset is done with + this bit set, PCS and SLINK + modules won't be reset. + i.e., link won't drop. */ +#define SW_RESET_BREQ_SM_MASK 0x00007F00 /* breq state machine [6:0] */ +#define SW_RESET_PCIARB_SM_MASK 0x00070000 /* pci arbitration state bits: + 0b000: ARB_IDLE1 + 0b001: ARB_IDLE2 + 0b010: ARB_WB_ACK + 0b011: ARB_WB_WAT + 0b100: ARB_RB_ACK + 0b101: ARB_RB_WAT + 0b110: ARB_RB_END + 0b111: ARB_WB_END */ +#define SW_RESET_RDPCI_SM_MASK 0x00300000 /* read pci state bits: + 0b00: RD_PCI_WAT + 0b01: RD_PCI_RDY + 0b11: RD_PCI_ACK */ +#define SW_RESET_RDARB_SM_MASK 0x00C00000 /* read arbitration state bits: + 0b00: AD_IDL_RX + 0b01: AD_ACK_RX + 0b10: AD_ACK_TX + 0b11: AD_IDL_TX */ +#define SW_RESET_WRPCI_SM_MASK 0x06000000 /* write pci state bits + 0b00: WR_PCI_WAT + 0b01: WR_PCI_RDY + 0b11: WR_PCI_ACK */ +#define SW_RESET_WRARB_SM_MASK 0x38000000 /* write arbitration state bits: + 0b000: ARB_IDLE1 + 0b001: ARB_IDLE2 + 0b010: ARB_TX_ACK + 0b011: ARB_TX_WAT + 0b100: ARB_RX_ACK + 0b110: ARB_RX_WAT */ + +/* Cassini only. 64-bit register used to check PCI datapath. when read, + * value written has both lower and upper 32-bit halves rotated to the right + * one bit position. e.g., FFFFFFFF FFFFFFFF -> 7FFFFFFF 7FFFFFFF + */ +#define REG_MINUS_BIM_DATAPATH_TEST 0x1018 /* Cassini: BIM datapath test + Cassini+: reserved */ + +/* output enables are provided for each device's chip select and for the rest + * of the outputs from cassini to its local bus devices. two sw programmable + * bits are connected to general purpus control/status bits. + * DEFAULT: 0x7 + */ +#define REG_BIM_LOCAL_DEV_EN 0x1020 /* BIM local device + output EN. default: 0x7 */ +#define BIM_LOCAL_DEV_PAD 0x01 /* address bus, RW signal, and + OE signal output enable on the + local bus interface. these + are shared between both local + bus devices. tristate when 0. */ +#define BIM_LOCAL_DEV_PROM 0x02 /* PROM chip select */ +#define BIM_LOCAL_DEV_EXT 0x04 /* secondary local bus device chip + select output enable */ +#define BIM_LOCAL_DEV_SOFT_0 0x08 /* sw programmable ctrl bit 0 */ +#define BIM_LOCAL_DEV_SOFT_1 0x10 /* sw programmable ctrl bit 1 */ +#define BIM_LOCAL_DEV_HW_RESET 0x20 /* internal hw reset. Cassini+ only. */ + +/* access 24 entry BIM read and write buffers. put address in REG_BIM_BUFFER_ADDR + * and read/write from/to it REG_BIM_BUFFER_DATA_LOW and _DATA_HI. + * _DATA_HI should be the last access of the sequence. + * DEFAULT: undefined + */ +#define REG_BIM_BUFFER_ADDR 0x1024 /* BIM buffer address. for + purposes. */ +#define BIM_BUFFER_ADDR_MASK 0x3F /* index (0 - 23) of buffer */ +#define BIM_BUFFER_WR_SELECT 0x40 /* write buffer access = 1 + read buffer access = 0 */ +/* DEFAULT: undefined */ +#define REG_BIM_BUFFER_DATA_LOW 0x1028 /* BIM buffer data low */ +#define REG_BIM_BUFFER_DATA_HI 0x102C /* BIM buffer data high */ + +/* set BIM_RAM_BIST_START to start built-in self test for BIM read buffer. + * bit auto-clears when done with status read from _SUMMARY and _PASS bits. + */ +#define REG_BIM_RAM_BIST 0x102C /* BIM RAM (read buffer) BIST + control/status */ +#define BIM_RAM_BIST_RD_START 0x01 /* start BIST for BIM read buffer */ +#define BIM_RAM_BIST_WR_START 0x02 /* start BIST for BIM write buffer. + Cassini only. reserved in + Cassini+. */ +#define BIM_RAM_BIST_RD_PASS 0x04 /* summary BIST pass status for read + buffer. */ +#define BIM_RAM_BIST_WR_PASS 0x08 /* summary BIST pass status for write + buffer. Cassini only. reserved + in Cassini+. */ +#define BIM_RAM_BIST_RD_LOW_PASS 0x10 /* read low bank passes BIST */ +#define BIM_RAM_BIST_RD_HI_PASS 0x20 /* read high bank passes BIST */ +#define BIM_RAM_BIST_WR_LOW_PASS 0x40 /* write low bank passes BIST. + Cassini only. reserved in + Cassini+. */ +#define BIM_RAM_BIST_WR_HI_PASS 0x80 /* write high bank passes BIST. + Cassini only. reserved in + Cassini+. */ + +/* ASUN: i'm not sure what this does as it's not in the spec. + * DEFAULT: 0xFC + */ +#define REG_BIM_DIAG_MUX 0x1030 /* BIM diagnostic probe mux + select register */ + +/* enable probe monitoring mode and select data appearing on the P_A* bus. bit + * values for _SEL_HI_MASK and _SEL_LOW_MASK: + * 0x0: internal probe[7:0] (pci arb state, wtc empty w, wtc full w, wtc empty w, + * wtc empty r, post pci) + * 0x1: internal probe[15:8] (pci wbuf comp, pci wpkt comp, pci rbuf comp, + * pci rpkt comp, txdma wr req, txdma wr ack, + * txdma wr rdy, txdma wr xfr done) + * 0x2: internal probe[23:16] (txdma rd req, txdma rd ack, txdma rd rdy, rxdma rd, + * rd arb state, rd pci state) + * 0x3: internal probe[31:24] (rxdma req, rxdma ack, rxdma rdy, wrarb state, + * wrpci state) + * 0x4: pci io probe[7:0] 0x5: pci io probe[15:8] + * 0x6: pci io probe[23:16] 0x7: pci io probe[31:24] + * 0x8: pci io probe[39:32] 0x9: pci io probe[47:40] + * 0xa: pci io probe[55:48] 0xb: pci io probe[63:56] + * the following are not available in Cassini: + * 0xc: rx probe[7:0] 0xd: tx probe[7:0] + * 0xe: hp probe[7:0] 0xf: mac probe[7:0] + */ +#define REG_PLUS_PROBE_MUX_SELECT 0x1034 /* Cassini+: PROBE MUX SELECT */ +#define PROBE_MUX_EN 0x80000000 /* allow probe signals to be + driven on local bus P_A[15:0] + for debugging */ +#define PROBE_MUX_SUB_MUX_MASK 0x0000FF00 /* select sub module probe signals: + 0x03 = mac[1:0] + 0x0C = rx[1:0] + 0x30 = tx[1:0] + 0xC0 = hp[1:0] */ +#define PROBE_MUX_SEL_HI_MASK 0x000000F0 /* select which module to appear + on P_A[15:8]. see above for + values. */ +#define PROBE_MUX_SEL_LOW_MASK 0x0000000F /* select which module to appear + on P_A[7:0]. see above for + values. */ + +/* values mean the same thing as REG_INTR_MASK excep that it's for INTB. + DEFAULT: 0x1F */ +#define REG_PLUS_INTR_MASK_1 0x1038 /* Cassini+: interrupt mask + register 2 for INTB */ +#define REG_PLUS_INTRN_MASK(x) (REG_PLUS_INTR_MASK_1 + ((x) - 1)*16) +/* bits correspond to both _MASK and _STATUS registers. _ALT corresponds to + * all of the alternate (2-4) INTR registers while _1 corresponds to only + * _MASK_1 and _STATUS_1 registers. + * DEFAULT: 0x7 for MASK registers, 0x0 for ALIAS_CLEAR registers + */ +#define INTR_RX_DONE_ALT 0x01 +#define INTR_RX_COMP_FULL_ALT 0x02 +#define INTR_RX_COMP_AF_ALT 0x04 +#define INTR_RX_BUF_UNAVAIL_1 0x08 +#define INTR_RX_BUF_AE_1 0x10 /* almost empty */ +#define INTRN_MASK_RX_EN 0x80 +#define INTRN_MASK_CLEAR_ALL (INTR_RX_DONE_ALT | \ + INTR_RX_COMP_FULL_ALT | \ + INTR_RX_COMP_AF_ALT | \ + INTR_RX_BUF_UNAVAIL_1 | \ + INTR_RX_BUF_AE_1) +#define REG_PLUS_INTR_STATUS_1 0x103C /* Cassini+: interrupt status + register 2 for INTB. default: 0x1F */ +#define REG_PLUS_INTRN_STATUS(x) (REG_PLUS_INTR_STATUS_1 + ((x) - 1)*16) +#define INTR_STATUS_ALT_INTX_EN 0x80 /* generate INTX when one of the + flags are set. enables desc ring. */ + +#define REG_PLUS_ALIAS_CLEAR_1 0x1040 /* Cassini+: alias clear mask + register 2 for INTB */ +#define REG_PLUS_ALIASN_CLEAR(x) (REG_PLUS_ALIAS_CLEAR_1 + ((x) - 1)*16) + +#define REG_PLUS_INTR_STATUS_ALIAS_1 0x1044 /* Cassini+: interrupt status + register alias 2 for INTB */ +#define REG_PLUS_INTRN_STATUS_ALIAS(x) (REG_PLUS_INTR_STATUS_ALIAS_1 + ((x) - 1)*16) + +#define REG_SATURN_PCFG 0x106c /* pin configuration register for + integrated macphy */ + +#define SATURN_PCFG_TLA 0x00000001 /* 1 = phy actled */ +#define SATURN_PCFG_FLA 0x00000002 /* 1 = phy link10led */ +#define SATURN_PCFG_CLA 0x00000004 /* 1 = phy link100led */ +#define SATURN_PCFG_LLA 0x00000008 /* 1 = phy link1000led */ +#define SATURN_PCFG_RLA 0x00000010 /* 1 = phy duplexled */ +#define SATURN_PCFG_PDS 0x00000020 /* phy debug mode. + 0 = normal */ +#define SATURN_PCFG_MTP 0x00000080 /* test point select */ +#define SATURN_PCFG_GMO 0x00000100 /* GMII observe. 1 = + GMII on SERDES pins for + monitoring. */ +#define SATURN_PCFG_FSI 0x00000200 /* 1 = freeze serdes/gmii. all + pins configed as outputs. + for power saving when using + internal phy. */ +#define SATURN_PCFG_LAD 0x00000800 /* 0 = mac core led ctrl + polarity from strapping + value. + 1 = mac core led ctrl + polarity active low. */ + + +/** transmit dma registers **/ +#define MAX_TX_RINGS_SHIFT 2 +#define MAX_TX_RINGS (1 << MAX_TX_RINGS_SHIFT) +#define MAX_TX_RINGS_MASK (MAX_TX_RINGS - 1) + +/* TX configuration. + * descr ring sizes size = 32 * (1 << n), n < 9. e.g., 0x8 = 8k. default: 0x8 + * DEFAULT: 0x3F000001 + */ +#define REG_TX_CFG 0x2004 /* TX config */ +#define TX_CFG_DMA_EN 0x00000001 /* enable TX DMA. if cleared, DMA + will stop after xfer of current + buffer has been completed. */ +#define TX_CFG_FIFO_PIO_SEL 0x00000002 /* TX DMA FIFO can be + accessed w/ FIFO addr + and data registers. + TX DMA should be + disabled. */ +#define TX_CFG_DESC_RING0_MASK 0x0000003C /* # desc entries in + ring 1. */ +#define TX_CFG_DESC_RING0_SHIFT 2 +#define TX_CFG_DESC_RINGN_MASK(a) (TX_CFG_DESC_RING0_MASK << (a)*4) +#define TX_CFG_DESC_RINGN_SHIFT(a) (TX_CFG_DESC_RING0_SHIFT + (a)*4) +#define TX_CFG_PACED_MODE 0x00100000 /* TX_ALL only set after + TX FIFO becomes empty. + if 0, TX_ALL set + if descr queue empty. */ +#define TX_CFG_DMA_RDPIPE_DIS 0x01000000 /* always set to 1 */ +#define TX_CFG_COMPWB_Q1 0x02000000 /* completion writeback happens at + the end of every packet kicked + through Q1. */ +#define TX_CFG_COMPWB_Q2 0x04000000 /* completion writeback happens at + the end of every packet kicked + through Q2. */ +#define TX_CFG_COMPWB_Q3 0x08000000 /* completion writeback happens at + the end of every packet kicked + through Q3 */ +#define TX_CFG_COMPWB_Q4 0x10000000 /* completion writeback happens at + the end of every packet kicked + through Q4 */ +#define TX_CFG_INTR_COMPWB_DIS 0x20000000 /* disable pre-interrupt completion + writeback */ +#define TX_CFG_CTX_SEL_MASK 0xC0000000 /* selects tx test port + connection + 0b00: tx mac req, + tx mac retry req, + tx ack and tx tag. + 0b01: txdma rd req, + txdma rd ack, + txdma rd rdy, + txdma rd type0 + 0b11: txdma wr req, + txdma wr ack, + txdma wr rdy, + txdma wr xfr done. */ +#define TX_CFG_CTX_SEL_SHIFT 30 + +/* 11-bit counters that point to next location in FIFO to be loaded/retrieved. + * used for diagnostics only. + */ +#define REG_TX_FIFO_WRITE_PTR 0x2014 /* TX FIFO write pointer */ +#define REG_TX_FIFO_SHADOW_WRITE_PTR 0x2018 /* TX FIFO shadow write + pointer. temp hold reg. + diagnostics only. */ +#define REG_TX_FIFO_READ_PTR 0x201C /* TX FIFO read pointer */ +#define REG_TX_FIFO_SHADOW_READ_PTR 0x2020 /* TX FIFO shadow read + pointer */ + +/* (ro) 11-bit up/down counter w/ # of frames currently in TX FIFO */ +#define REG_TX_FIFO_PKT_CNT 0x2024 /* TX FIFO packet counter */ + +/* current state of all state machines in TX */ +#define REG_TX_SM_1 0x2028 /* TX state machine reg #1 */ +#define TX_SM_1_CHAIN_MASK 0x000003FF /* chaining state machine */ +#define TX_SM_1_CSUM_MASK 0x00000C00 /* checksum state machine */ +#define TX_SM_1_FIFO_LOAD_MASK 0x0003F000 /* FIFO load state machine. + = 0x01 when TX disabled. */ +#define TX_SM_1_FIFO_UNLOAD_MASK 0x003C0000 /* FIFO unload state machine */ +#define TX_SM_1_CACHE_MASK 0x03C00000 /* desc. prefetch cache controller + state machine */ +#define TX_SM_1_CBQ_ARB_MASK 0xF8000000 /* CBQ arbiter state machine */ + +#define REG_TX_SM_2 0x202C /* TX state machine reg #2 */ +#define TX_SM_2_COMP_WB_MASK 0x07 /* completion writeback sm */ +#define TX_SM_2_SUB_LOAD_MASK 0x38 /* sub load state machine */ +#define TX_SM_2_KICK_MASK 0xC0 /* kick state machine */ + +/* 64-bit pointer to the transmit data buffer. only the 50 LSB are incremented + * while the upper 23 bits are taken from the TX descriptor + */ +#define REG_TX_DATA_PTR_LOW 0x2030 /* TX data pointer low */ +#define REG_TX_DATA_PTR_HI 0x2034 /* TX data pointer high */ + +/* 13 bit registers written by driver w/ descriptor value that follows + * last valid xmit descriptor. kick # and complete # values are used by + * the xmit dma engine to control tx descr fetching. if > 1 valid + * tx descr is available within the cache line being read, cassini will + * internally cache up to 4 of them. 0 on reset. _KICK = rw, _COMP = ro. + */ +#define REG_TX_KICK0 0x2038 /* TX kick reg #1 */ +#define REG_TX_KICKN(x) (REG_TX_KICK0 + (x)*4) +#define REG_TX_COMP0 0x2048 /* TX completion reg #1 */ +#define REG_TX_COMPN(x) (REG_TX_COMP0 + (x)*4) + +/* values of TX_COMPLETE_1-4 are written. each completion register + * is 2bytes in size and contiguous. 8B allocation w/ 8B alignment. + * NOTE: completion reg values are only written back prior to TX_INTME and + * TX_ALL interrupts. at all other times, the most up-to-date index values + * should be obtained from the REG_TX_COMPLETE_# registers. + * here's the layout: + * offset from base addr completion # byte + * 0 TX_COMPLETE_1_MSB + * 1 TX_COMPLETE_1_LSB + * 2 TX_COMPLETE_2_MSB + * 3 TX_COMPLETE_2_LSB + * 4 TX_COMPLETE_3_MSB + * 5 TX_COMPLETE_3_LSB + * 6 TX_COMPLETE_4_MSB + * 7 TX_COMPLETE_4_LSB + */ +#define TX_COMPWB_SIZE 8 +#define REG_TX_COMPWB_DB_LOW 0x2058 /* TX completion write back + base low */ +#define REG_TX_COMPWB_DB_HI 0x205C /* TX completion write back + base high */ +#define TX_COMPWB_MSB_MASK 0x00000000000000FFULL +#define TX_COMPWB_MSB_SHIFT 0 +#define TX_COMPWB_LSB_MASK 0x000000000000FF00ULL +#define TX_COMPWB_LSB_SHIFT 8 +#define TX_COMPWB_NEXT(x) ((x) >> 16) + +/* 53 MSB used as base address. 11 LSB assumed to be 0. TX desc pointer must + * be 2KB-aligned. */ +#define REG_TX_DB0_LOW 0x2060 /* TX descriptor base low #1 */ +#define REG_TX_DB0_HI 0x2064 /* TX descriptor base hi #1 */ +#define REG_TX_DBN_LOW(x) (REG_TX_DB0_LOW + (x)*8) +#define REG_TX_DBN_HI(x) (REG_TX_DB0_HI + (x)*8) + +/* 16-bit registers hold weights for the weighted round-robin of the + * four CBQ TX descr rings. weights correspond to # bytes xferred from + * host to TXFIFO in a round of WRR arbitration. can be set + * dynamically with new weights set upon completion of the current + * packet transfer from host memory to TXFIFO. a dummy write to any of + * these registers causes a queue1 pre-emption with all historical bw + * deficit data reset to 0 (useful when congestion requires a + * pre-emption/re-allocation of network bandwidth + */ +#define REG_TX_MAXBURST_0 0x2080 /* TX MaxBurst #1 */ +#define REG_TX_MAXBURST_1 0x2084 /* TX MaxBurst #2 */ +#define REG_TX_MAXBURST_2 0x2088 /* TX MaxBurst #3 */ +#define REG_TX_MAXBURST_3 0x208C /* TX MaxBurst #4 */ + +/* diagnostics access to any TX FIFO location. every access is 65 + * bits. _DATA_LOW = 32 LSB, _DATA_HI_T1/T0 = 32 MSB. _TAG = tag bit. + * writing _DATA_HI_T0 sets tag bit low, writing _DATA_HI_T1 sets tag + * bit high. TX_FIFO_PIO_SEL must be set for TX FIFO PIO access. if + * TX FIFO data integrity is desired, TX DMA should be + * disabled. _DATA_HI_Tx should be the last access of the sequence. + */ +#define REG_TX_FIFO_ADDR 0x2104 /* TX FIFO address */ +#define REG_TX_FIFO_TAG 0x2108 /* TX FIFO tag */ +#define REG_TX_FIFO_DATA_LOW 0x210C /* TX FIFO data low */ +#define REG_TX_FIFO_DATA_HI_T1 0x2110 /* TX FIFO data high t1 */ +#define REG_TX_FIFO_DATA_HI_T0 0x2114 /* TX FIFO data high t0 */ +#define REG_TX_FIFO_SIZE 0x2118 /* (ro) TX FIFO size = 0x090 = 9KB */ + +/* 9-bit register controls BIST of TX FIFO. bit set indicates that the BIST + * passed for the specified memory + */ +#define REG_TX_RAMBIST 0x211C /* TX RAMBIST control/status */ +#define TX_RAMBIST_STATE 0x01C0 /* progress state of RAMBIST + controller state machine */ +#define TX_RAMBIST_RAM33A_PASS 0x0020 /* RAM33A passed */ +#define TX_RAMBIST_RAM32A_PASS 0x0010 /* RAM32A passed */ +#define TX_RAMBIST_RAM33B_PASS 0x0008 /* RAM33B passed */ +#define TX_RAMBIST_RAM32B_PASS 0x0004 /* RAM32B passed */ +#define TX_RAMBIST_SUMMARY 0x0002 /* all RAM passed */ +#define TX_RAMBIST_START 0x0001 /* write 1 to start BIST. self + clears on completion. */ + +/** receive dma registers **/ +#define MAX_RX_DESC_RINGS 2 +#define MAX_RX_COMP_RINGS 4 + +/* receive DMA channel configuration. default: 0x80910 + * free ring size = (1 << n)*32 -> [32 - 8k] + * completion ring size = (1 << n)*128 -> [128 - 32k], n < 9 + * DEFAULT: 0x80910 + */ +#define REG_RX_CFG 0x4000 /* RX config */ +#define RX_CFG_DMA_EN 0x00000001 /* enable RX DMA. 0 stops + channel as soon as current + frame xfer has completed. + driver should disable MAC + for 200ms before disabling + RX */ +#define RX_CFG_DESC_RING_MASK 0x0000001E /* # desc entries in RX + free desc ring. + def: 0x8 = 8k */ +#define RX_CFG_DESC_RING_SHIFT 1 +#define RX_CFG_COMP_RING_MASK 0x000001E0 /* # desc entries in RX complete + ring. def: 0x8 = 32k */ +#define RX_CFG_COMP_RING_SHIFT 5 +#define RX_CFG_BATCH_DIS 0x00000200 /* disable receive desc + batching. def: 0x0 = + enabled */ +#define RX_CFG_SWIVEL_MASK 0x00001C00 /* byte offset of the 1st + data byte of the packet + w/in 8 byte boundares. + this swivels the data + DMA'ed to header + buffers, jumbo buffers + when header split is not + requested and MTU sized + buffers. def: 0x2 */ +#define RX_CFG_SWIVEL_SHIFT 10 + +/* cassini+ only */ +#define RX_CFG_DESC_RING1_MASK 0x000F0000 /* # of desc entries in + RX free desc ring 2. + def: 0x8 = 8k */ +#define RX_CFG_DESC_RING1_SHIFT 16 + + +/* the page size register allows cassini chips to do the following with + * received data: + * [--------------------------------------------------------------] page + * [off][buf1][pad][off][buf2][pad][off][buf3][pad][off][buf4][pad] + * |--------------| = PAGE_SIZE_BUFFER_STRIDE + * page = PAGE_SIZE + * offset = PAGE_SIZE_MTU_OFF + * for the above example, MTU_BUFFER_COUNT = 4. + * NOTE: as is apparent, you need to ensure that the following holds: + * MTU_BUFFER_COUNT <= PAGE_SIZE/PAGE_SIZE_BUFFER_STRIDE + * DEFAULT: 0x48002002 (8k pages) + */ +#define REG_RX_PAGE_SIZE 0x4004 /* RX page size */ +#define RX_PAGE_SIZE_MASK 0x00000003 /* size of pages pointed to + by receive descriptors. + if jumbo buffers are + supported the page size + should not be < 8k. + 0b00 = 2k, 0b01 = 4k + 0b10 = 8k, 0b11 = 16k + DEFAULT: 8k */ +#define RX_PAGE_SIZE_SHIFT 0 +#define RX_PAGE_SIZE_MTU_COUNT_MASK 0x00007800 /* # of MTU buffers the hw + packs into a page. + DEFAULT: 4 */ +#define RX_PAGE_SIZE_MTU_COUNT_SHIFT 11 +#define RX_PAGE_SIZE_MTU_STRIDE_MASK 0x18000000 /* # of bytes that separate + each MTU buffer + + offset from each + other. + 0b00 = 1k, 0b01 = 2k + 0b10 = 4k, 0b11 = 8k + DEFAULT: 0x1 */ +#define RX_PAGE_SIZE_MTU_STRIDE_SHIFT 27 +#define RX_PAGE_SIZE_MTU_OFF_MASK 0xC0000000 /* offset in each page that + hw writes the MTU buffer + into. + 0b00 = 0, + 0b01 = 64 bytes + 0b10 = 96, 0b11 = 128 + DEFAULT: 0x1 */ +#define RX_PAGE_SIZE_MTU_OFF_SHIFT 30 + +/* 11-bit counter points to next location in RX FIFO to be loaded/read. + * shadow write pointers enable retries in case of early receive aborts. + * DEFAULT: 0x0. generated on 64-bit boundaries. + */ +#define REG_RX_FIFO_WRITE_PTR 0x4008 /* RX FIFO write pointer */ +#define REG_RX_FIFO_READ_PTR 0x400C /* RX FIFO read pointer */ +#define REG_RX_IPP_FIFO_SHADOW_WRITE_PTR 0x4010 /* RX IPP FIFO shadow write + pointer */ +#define REG_RX_IPP_FIFO_SHADOW_READ_PTR 0x4014 /* RX IPP FIFO shadow read + pointer */ +#define REG_RX_IPP_FIFO_READ_PTR 0x400C /* RX IPP FIFO read + pointer. (8-bit counter) */ + +/* current state of RX DMA state engines + other info + * DEFAULT: 0x0 + */ +#define REG_RX_DEBUG 0x401C /* RX debug */ +#define RX_DEBUG_LOAD_STATE_MASK 0x0000000F /* load state machine w/ MAC: + 0x0 = idle, 0x1 = load_bop + 0x2 = load 1, 0x3 = load 2 + 0x4 = load 3, 0x5 = load 4 + 0x6 = last detect + 0x7 = wait req + 0x8 = wait req statuss 1st + 0x9 = load st + 0xa = bubble mac + 0xb = error */ +#define RX_DEBUG_LM_STATE_MASK 0x00000070 /* load state machine w/ HP and + RX FIFO: + 0x0 = idle, 0x1 = hp xfr + 0x2 = wait hp ready + 0x3 = wait flow code + 0x4 = fifo xfer + 0x5 = make status + 0x6 = csum ready + 0x7 = error */ +#define RX_DEBUG_FC_STATE_MASK 0x000000180 /* flow control state machine + w/ MAC: + 0x0 = idle + 0x1 = wait xoff ack + 0x2 = wait xon + 0x3 = wait xon ack */ +#define RX_DEBUG_DATA_STATE_MASK 0x000001E00 /* unload data state machine + states: + 0x0 = idle data + 0x1 = header begin + 0x2 = xfer header + 0x3 = xfer header ld + 0x4 = mtu begin + 0x5 = xfer mtu + 0x6 = xfer mtu ld + 0x7 = jumbo begin + 0x8 = xfer jumbo + 0x9 = xfer jumbo ld + 0xa = reas begin + 0xb = xfer reas + 0xc = flush tag + 0xd = xfer reas ld + 0xe = error + 0xf = bubble idle */ +#define RX_DEBUG_DESC_STATE_MASK 0x0001E000 /* unload desc state machine + states: + 0x0 = idle desc + 0x1 = wait ack + 0x9 = wait ack 2 + 0x2 = fetch desc 1 + 0xa = fetch desc 2 + 0x3 = load ptrs + 0x4 = wait dma + 0x5 = wait ack batch + 0x6 = post batch + 0x7 = xfr done */ +#define RX_DEBUG_INTR_READ_PTR_MASK 0x30000000 /* interrupt read ptr of the + interrupt queue */ +#define RX_DEBUG_INTR_WRITE_PTR_MASK 0xC0000000 /* interrupt write pointer + of the interrupt queue */ + +/* flow control frames are emmitted using two PAUSE thresholds: + * XOFF PAUSE uses pause time value pre-programmed in the Send PAUSE MAC reg + * XON PAUSE uses a pause time of 0. granularity of threshold is 64bytes. + * PAUSE thresholds defined in terms of FIFO occupancy and may be translated + * into FIFO vacancy using RX_FIFO_SIZE. setting ON will trigger XON frames + * when FIFO reaches 0. OFF threshold should not be > size of RX FIFO. max + * value is is 0x6F. + * DEFAULT: 0x00078 + */ +#define REG_RX_PAUSE_THRESH 0x4020 /* RX pause thresholds */ +#define RX_PAUSE_THRESH_QUANTUM 64 +#define RX_PAUSE_THRESH_OFF_MASK 0x000001FF /* XOFF PAUSE emitted when + RX FIFO occupancy > + value*64B */ +#define RX_PAUSE_THRESH_OFF_SHIFT 0 +#define RX_PAUSE_THRESH_ON_MASK 0x001FF000 /* XON PAUSE emitted after + emitting XOFF PAUSE when RX + FIFO occupancy falls below + this value*64B. must be + < XOFF threshold. if = + RX_FIFO_SIZE< XON frames are + never emitted. */ +#define RX_PAUSE_THRESH_ON_SHIFT 12 + +/* 13-bit register used to control RX desc fetching and intr generation. if 4+ + * valid RX descriptors are available, Cassini will read 4 at a time. + * writing N means that all desc up to *but* excluding N are available. N must + * be a multiple of 4 (N % 4 = 0). first desc should be cache-line aligned. + * DEFAULT: 0 on reset + */ +#define REG_RX_KICK 0x4024 /* RX kick reg */ + +/* 8KB aligned 64-bit pointer to the base of the RX free/completion rings. + * lower 13 bits of the low register are hard-wired to 0. + */ +#define REG_RX_DB_LOW 0x4028 /* RX descriptor ring + base low */ +#define REG_RX_DB_HI 0x402C /* RX descriptor ring + base hi */ +#define REG_RX_CB_LOW 0x4030 /* RX completion ring + base low */ +#define REG_RX_CB_HI 0x4034 /* RX completion ring + base hi */ +/* 13-bit register indicate desc used by cassini for receive frames. used + * for diagnostic purposes. + * DEFAULT: 0 on reset + */ +#define REG_RX_COMP 0x4038 /* (ro) RX completion */ + +/* HEAD and TAIL are used to control RX desc posting and interrupt + * generation. hw moves the head register to pass ownership to sw. sw + * moves the tail register to pass ownership back to hw. to give all + * entries to hw, set TAIL = HEAD. if HEAD and TAIL indicate that no + * more entries are available, DMA will pause and an interrupt will be + * generated to indicate no more entries are available. sw can use + * this interrupt to reduce the # of times it must update the + * completion tail register. + * DEFAULT: 0 on reset + */ +#define REG_RX_COMP_HEAD 0x403C /* RX completion head */ +#define REG_RX_COMP_TAIL 0x4040 /* RX completion tail */ + +/* values used for receive interrupt blanking. loaded each time the ISR is read + * DEFAULT: 0x00000000 + */ +#define REG_RX_BLANK 0x4044 /* RX blanking register + for ISR read */ +#define RX_BLANK_INTR_PKT_MASK 0x000001FF /* RX_DONE intr asserted if + this many sets of completion + writebacks (up to 2 packets) + occur since the last time + the ISR was read. 0 = no + packet blanking */ +#define RX_BLANK_INTR_PKT_SHIFT 0 +#define RX_BLANK_INTR_TIME_MASK 0x3FFFF000 /* RX_DONE interrupt asserted + if that many clocks were + counted since last time the + ISR was read. + each count is 512 core + clocks (125MHz). 0 = no + time blanking */ +#define RX_BLANK_INTR_TIME_SHIFT 12 + +/* values used for interrupt generation based on threshold values of how + * many free desc and completion entries are available for hw use. + * DEFAULT: 0x00000000 + */ +#define REG_RX_AE_THRESH 0x4048 /* RX almost empty + thresholds */ +#define RX_AE_THRESH_FREE_MASK 0x00001FFF /* RX_BUF_AE will be + generated if # desc + avail for hw use <= + # */ +#define RX_AE_THRESH_FREE_SHIFT 0 +#define RX_AE_THRESH_COMP_MASK 0x0FFFE000 /* RX_COMP_AE will be + generated if # of + completion entries + avail for hw use <= + # */ +#define RX_AE_THRESH_COMP_SHIFT 13 + +/* probabilities for random early drop (RED) thresholds on a FIFO threshold + * basis. probability should increase when the FIFO level increases. control + * packets are never dropped and not counted in stats. probability programmed + * on a 12.5% granularity. e.g., 0x1 = 1/8 packets dropped. + * DEFAULT: 0x00000000 + */ +#define REG_RX_RED 0x404C /* RX random early detect enable */ +#define RX_RED_4K_6K_FIFO_MASK 0x000000FF /* 4KB < FIFO thresh < 6KB */ +#define RX_RED_6K_8K_FIFO_MASK 0x0000FF00 /* 6KB < FIFO thresh < 8KB */ +#define RX_RED_8K_10K_FIFO_MASK 0x00FF0000 /* 8KB < FIFO thresh < 10KB */ +#define RX_RED_10K_12K_FIFO_MASK 0xFF000000 /* 10KB < FIFO thresh < 12KB */ + +/* FIFO fullness levels for RX FIFO, RX control FIFO, and RX IPP FIFO. + * RX control FIFO = # of packets in RX FIFO. + * DEFAULT: 0x0 + */ +#define REG_RX_FIFO_FULLNESS 0x4050 /* (ro) RX FIFO fullness */ +#define RX_FIFO_FULLNESS_RX_FIFO_MASK 0x3FF80000 /* level w/ 8B granularity */ +#define RX_FIFO_FULLNESS_IPP_FIFO_MASK 0x0007FF00 /* level w/ 8B granularity */ +#define RX_FIFO_FULLNESS_RX_PKT_MASK 0x000000FF /* # packets in RX FIFO */ +#define REG_RX_IPP_PACKET_COUNT 0x4054 /* RX IPP packet counter */ +#define REG_RX_WORK_DMA_PTR_LOW 0x4058 /* RX working DMA ptr low */ +#define REG_RX_WORK_DMA_PTR_HI 0x405C /* RX working DMA ptr + high */ + +/* BIST testing ro RX FIFO, RX control FIFO, and RX IPP FIFO. only RX BIST + * START/COMPLETE is writeable. START will clear when the BIST has completed + * checking all 17 RAMS. + * DEFAULT: 0bxxxx xxxxx xxxx xxxx xxxx x000 0000 0000 00x0 + */ +#define REG_RX_BIST 0x4060 /* (ro) RX BIST */ +#define RX_BIST_32A_PASS 0x80000000 /* RX FIFO 32A passed */ +#define RX_BIST_33A_PASS 0x40000000 /* RX FIFO 33A passed */ +#define RX_BIST_32B_PASS 0x20000000 /* RX FIFO 32B passed */ +#define RX_BIST_33B_PASS 0x10000000 /* RX FIFO 33B passed */ +#define RX_BIST_32C_PASS 0x08000000 /* RX FIFO 32C passed */ +#define RX_BIST_33C_PASS 0x04000000 /* RX FIFO 33C passed */ +#define RX_BIST_IPP_32A_PASS 0x02000000 /* RX IPP FIFO 33B passed */ +#define RX_BIST_IPP_33A_PASS 0x01000000 /* RX IPP FIFO 33A passed */ +#define RX_BIST_IPP_32B_PASS 0x00800000 /* RX IPP FIFO 32B passed */ +#define RX_BIST_IPP_33B_PASS 0x00400000 /* RX IPP FIFO 33B passed */ +#define RX_BIST_IPP_32C_PASS 0x00200000 /* RX IPP FIFO 32C passed */ +#define RX_BIST_IPP_33C_PASS 0x00100000 /* RX IPP FIFO 33C passed */ +#define RX_BIST_CTRL_32_PASS 0x00800000 /* RX CTRL FIFO 32 passed */ +#define RX_BIST_CTRL_33_PASS 0x00400000 /* RX CTRL FIFO 33 passed */ +#define RX_BIST_REAS_26A_PASS 0x00200000 /* RX Reas 26A passed */ +#define RX_BIST_REAS_26B_PASS 0x00100000 /* RX Reas 26B passed */ +#define RX_BIST_REAS_27_PASS 0x00080000 /* RX Reas 27 passed */ +#define RX_BIST_STATE_MASK 0x00078000 /* BIST state machine */ +#define RX_BIST_SUMMARY 0x00000002 /* when BIST complete, + summary pass bit + contains AND of BIST + results of all 16 + RAMS */ +#define RX_BIST_START 0x00000001 /* write 1 to start + BIST. self clears + on completion. */ + +/* next location in RX CTRL FIFO that will be loaded w/ data from RX IPP/read + * from to retrieve packet control info. + * DEFAULT: 0 + */ +#define REG_RX_CTRL_FIFO_WRITE_PTR 0x4064 /* (ro) RX control FIFO + write ptr */ +#define REG_RX_CTRL_FIFO_READ_PTR 0x4068 /* (ro) RX control FIFO read + ptr */ + +/* receive interrupt blanking. loaded each time interrupt alias register is + * read. + * DEFAULT: 0x0 + */ +#define REG_RX_BLANK_ALIAS_READ 0x406C /* RX blanking register for + alias read */ +#define RX_BAR_INTR_PACKET_MASK 0x000001FF /* assert RX_DONE if # + completion writebacks + > # since last ISR + read. 0 = no + blanking. up to 2 + packets per + completion wb. */ +#define RX_BAR_INTR_TIME_MASK 0x3FFFF000 /* assert RX_DONE if # + clocks > # since last + ISR read. each count + is 512 core clocks + (125MHz). 0 = no + blanking. */ + +/* diagnostic access to RX FIFO. 32 LSB accessed via DATA_LOW. 32 MSB accessed + * via DATA_HI_T0 or DATA_HI_T1. TAG reads the tag bit. writing HI_T0 + * will unset the tag bit while writing HI_T1 will set the tag bit. to reset + * to normal operation after diagnostics, write to address location 0x0. + * RX_DMA_EN bit must be set to 0x0 for RX FIFO PIO access. DATA_HI should + * be the last write access of a write sequence. + * DEFAULT: undefined + */ +#define REG_RX_FIFO_ADDR 0x4080 /* RX FIFO address */ +#define REG_RX_FIFO_TAG 0x4084 /* RX FIFO tag */ +#define REG_RX_FIFO_DATA_LOW 0x4088 /* RX FIFO data low */ +#define REG_RX_FIFO_DATA_HI_T0 0x408C /* RX FIFO data high T0 */ +#define REG_RX_FIFO_DATA_HI_T1 0x4090 /* RX FIFO data high T1 */ + +/* diagnostic assess to RX CTRL FIFO. 8-bit FIFO_ADDR holds address of + * 81 bit control entry and 6 bit flow id. LOW and MID are both 32-bit + * accesses. HI is 7-bits with 6-bit flow id and 1 bit control + * word. RX_DMA_EN must be 0 for RX CTRL FIFO PIO access. DATA_HI + * should be last write access of the write sequence. + * DEFAULT: undefined + */ +#define REG_RX_CTRL_FIFO_ADDR 0x4094 /* RX Control FIFO and + Batching FIFO addr */ +#define REG_RX_CTRL_FIFO_DATA_LOW 0x4098 /* RX Control FIFO data + low */ +#define REG_RX_CTRL_FIFO_DATA_MID 0x409C /* RX Control FIFO data + mid */ +#define REG_RX_CTRL_FIFO_DATA_HI 0x4100 /* RX Control FIFO data + hi and flow id */ +#define RX_CTRL_FIFO_DATA_HI_CTRL 0x0001 /* upper bit of ctrl word */ +#define RX_CTRL_FIFO_DATA_HI_FLOW_MASK 0x007E /* flow id */ + +/* diagnostic access to RX IPP FIFO. same semantics as RX_FIFO. + * DEFAULT: undefined + */ +#define REG_RX_IPP_FIFO_ADDR 0x4104 /* RX IPP FIFO address */ +#define REG_RX_IPP_FIFO_TAG 0x4108 /* RX IPP FIFO tag */ +#define REG_RX_IPP_FIFO_DATA_LOW 0x410C /* RX IPP FIFO data low */ +#define REG_RX_IPP_FIFO_DATA_HI_T0 0x4110 /* RX IPP FIFO data high + T0 */ +#define REG_RX_IPP_FIFO_DATA_HI_T1 0x4114 /* RX IPP FIFO data high + T1 */ + +/* 64-bit pointer to receive data buffer in host memory used for headers and + * small packets. MSB in high register. loaded by DMA state machine and + * increments as DMA writes receive data. only 50 LSB are incremented. top + * 13 bits taken from RX descriptor. + * DEFAULT: undefined + */ +#define REG_RX_HEADER_PAGE_PTR_LOW 0x4118 /* (ro) RX header page ptr + low */ +#define REG_RX_HEADER_PAGE_PTR_HI 0x411C /* (ro) RX header page ptr + high */ +#define REG_RX_MTU_PAGE_PTR_LOW 0x4120 /* (ro) RX MTU page pointer + low */ +#define REG_RX_MTU_PAGE_PTR_HI 0x4124 /* (ro) RX MTU page pointer + high */ + +/* PIO diagnostic access to RX reassembly DMA Table RAM. 6-bit register holds + * one of 64 79-bit locations in the RX Reassembly DMA table and the addr of + * one of the 64 byte locations in the Batching table. LOW holds 32 LSB. + * MID holds the next 32 LSB. HIGH holds the 15 MSB. RX_DMA_EN must be set + * to 0 for PIO access. DATA_HIGH should be last write of write sequence. + * layout: + * reassmbl ptr [78:15] | reassmbl index [14:1] | reassmbl entry valid [0] + * DEFAULT: undefined + */ +#define REG_RX_TABLE_ADDR 0x4128 /* RX reassembly DMA table + address */ +#define RX_TABLE_ADDR_MASK 0x0000003F /* address mask */ + +#define REG_RX_TABLE_DATA_LOW 0x412C /* RX reassembly DMA table + data low */ +#define REG_RX_TABLE_DATA_MID 0x4130 /* RX reassembly DMA table + data mid */ +#define REG_RX_TABLE_DATA_HI 0x4134 /* RX reassembly DMA table + data high */ + +/* cassini+ only */ +/* 8KB aligned 64-bit pointer to base of RX rings. lower 13 bits hardwired to + * 0. same semantics as primary desc/complete rings. + */ +#define REG_PLUS_RX_DB1_LOW 0x4200 /* RX descriptor ring + 2 base low */ +#define REG_PLUS_RX_DB1_HI 0x4204 /* RX descriptor ring + 2 base high */ +#define REG_PLUS_RX_CB1_LOW 0x4208 /* RX completion ring + 2 base low. 4 total */ +#define REG_PLUS_RX_CB1_HI 0x420C /* RX completion ring + 2 base high. 4 total */ +#define REG_PLUS_RX_CBN_LOW(x) (REG_PLUS_RX_CB1_LOW + 8*((x) - 1)) +#define REG_PLUS_RX_CBN_HI(x) (REG_PLUS_RX_CB1_HI + 8*((x) - 1)) +#define REG_PLUS_RX_KICK1 0x4220 /* RX Kick 2 register */ +#define REG_PLUS_RX_COMP1 0x4224 /* (ro) RX completion 2 + reg */ +#define REG_PLUS_RX_COMP1_HEAD 0x4228 /* (ro) RX completion 2 + head reg. 4 total. */ +#define REG_PLUS_RX_COMP1_TAIL 0x422C /* RX completion 2 + tail reg. 4 total. */ +#define REG_PLUS_RX_COMPN_HEAD(x) (REG_PLUS_RX_COMP1_HEAD + 8*((x) - 1)) +#define REG_PLUS_RX_COMPN_TAIL(x) (REG_PLUS_RX_COMP1_TAIL + 8*((x) - 1)) +#define REG_PLUS_RX_AE1_THRESH 0x4240 /* RX almost empty 2 + thresholds */ +#define RX_AE1_THRESH_FREE_MASK RX_AE_THRESH_FREE_MASK +#define RX_AE1_THRESH_FREE_SHIFT RX_AE_THRESH_FREE_SHIFT + +/** header parser registers **/ + +/* RX parser configuration register. + * DEFAULT: 0x1651004 + */ +#define REG_HP_CFG 0x4140 /* header parser + configuration reg */ +#define HP_CFG_PARSE_EN 0x00000001 /* enab header parsing */ +#define HP_CFG_NUM_CPU_MASK 0x000000FC /* # processors + 0 = 64. 0x3f = 63 */ +#define HP_CFG_NUM_CPU_SHIFT 2 +#define HP_CFG_SYN_INC_MASK 0x00000100 /* SYN bit won't increment + TCP seq # by one when + stored in FDBM */ +#define HP_CFG_TCP_THRESH_MASK 0x000FFE00 /* # bytes of TCP data + needed to be considered + for reassembly */ +#define HP_CFG_TCP_THRESH_SHIFT 9 + +/* access to RX Instruction RAM. 5-bit register/counter holds addr + * of 39 bit entry to be read/written. 32 LSB in _DATA_LOW. 7 MSB in _DATA_HI. + * RX_DMA_EN must be 0 for RX instr PIO access. DATA_HI should be last access + * of sequence. + * DEFAULT: undefined + */ +#define REG_HP_INSTR_RAM_ADDR 0x4144 /* HP instruction RAM + address */ +#define HP_INSTR_RAM_ADDR_MASK 0x01F /* 5-bit mask */ +#define REG_HP_INSTR_RAM_DATA_LOW 0x4148 /* HP instruction RAM + data low */ +#define HP_INSTR_RAM_LOW_OUTMASK_MASK 0x0000FFFF +#define HP_INSTR_RAM_LOW_OUTMASK_SHIFT 0 +#define HP_INSTR_RAM_LOW_OUTSHIFT_MASK 0x000F0000 +#define HP_INSTR_RAM_LOW_OUTSHIFT_SHIFT 16 +#define HP_INSTR_RAM_LOW_OUTEN_MASK 0x00300000 +#define HP_INSTR_RAM_LOW_OUTEN_SHIFT 20 +#define HP_INSTR_RAM_LOW_OUTARG_MASK 0xFFC00000 +#define HP_INSTR_RAM_LOW_OUTARG_SHIFT 22 +#define REG_HP_INSTR_RAM_DATA_MID 0x414C /* HP instruction RAM + data mid */ +#define HP_INSTR_RAM_MID_OUTARG_MASK 0x00000003 +#define HP_INSTR_RAM_MID_OUTARG_SHIFT 0 +#define HP_INSTR_RAM_MID_OUTOP_MASK 0x0000003C +#define HP_INSTR_RAM_MID_OUTOP_SHIFT 2 +#define HP_INSTR_RAM_MID_FNEXT_MASK 0x000007C0 +#define HP_INSTR_RAM_MID_FNEXT_SHIFT 6 +#define HP_INSTR_RAM_MID_FOFF_MASK 0x0003F800 +#define HP_INSTR_RAM_MID_FOFF_SHIFT 11 +#define HP_INSTR_RAM_MID_SNEXT_MASK 0x007C0000 +#define HP_INSTR_RAM_MID_SNEXT_SHIFT 18 +#define HP_INSTR_RAM_MID_SOFF_MASK 0x3F800000 +#define HP_INSTR_RAM_MID_SOFF_SHIFT 23 +#define HP_INSTR_RAM_MID_OP_MASK 0xC0000000 +#define HP_INSTR_RAM_MID_OP_SHIFT 30 +#define REG_HP_INSTR_RAM_DATA_HI 0x4150 /* HP instruction RAM + data high */ +#define HP_INSTR_RAM_HI_VAL_MASK 0x0000FFFF +#define HP_INSTR_RAM_HI_VAL_SHIFT 0 +#define HP_INSTR_RAM_HI_MASK_MASK 0xFFFF0000 +#define HP_INSTR_RAM_HI_MASK_SHIFT 16 + +/* PIO access into RX Header parser data RAM and flow database. + * 11-bit register. Data fills the LSB portion of bus if less than 32 bits. + * DATA_RAM: write RAM_FDB_DATA with index to access DATA_RAM. + * RAM bytes = 4*(x - 1) + [3:0]. e.g., 0 -> [3:0], 31 -> [123:120] + * FLOWDB: write DATA_RAM_FDB register and then read/write FDB1-12 to access + * flow database. + * RX_DMA_EN must be 0 for RX parser RAM PIO access. RX Parser RAM data reg + * should be the last write access of the write sequence. + * DEFAULT: undefined + */ +#define REG_HP_DATA_RAM_FDB_ADDR 0x4154 /* HP data and FDB + RAM address */ +#define HP_DATA_RAM_FDB_DATA_MASK 0x001F /* select 1 of 86 byte + locations in header + parser data ram to + read/write */ +#define HP_DATA_RAM_FDB_FDB_MASK 0x3F00 /* 1 of 64 353-bit locations + in the flow database */ +#define REG_HP_DATA_RAM_DATA 0x4158 /* HP data RAM data */ + +/* HP flow database registers: 1 - 12, 0x415C - 0x4188, 4 8-bit bytes + * FLOW_DB(1) = IP_SA[127:96], FLOW_DB(2) = IP_SA[95:64] + * FLOW_DB(3) = IP_SA[63:32], FLOW_DB(4) = IP_SA[31:0] + * FLOW_DB(5) = IP_DA[127:96], FLOW_DB(6) = IP_DA[95:64] + * FLOW_DB(7) = IP_DA[63:32], FLOW_DB(8) = IP_DA[31:0] + * FLOW_DB(9) = {TCP_SP[15:0],TCP_DP[15:0]} + * FLOW_DB(10) = bit 0 has value for flow valid + * FLOW_DB(11) = TCP_SEQ[63:32], FLOW_DB(12) = TCP_SEQ[31:0] + */ +#define REG_HP_FLOW_DB0 0x415C /* HP flow database 1 reg */ +#define REG_HP_FLOW_DBN(x) (REG_HP_FLOW_DB0 + (x)*4) + +/* diagnostics for RX Header Parser block. + * ASUN: the header parser state machine register is used for diagnostics + * purposes. however, the spec doesn't have any details on it. + */ +#define REG_HP_STATE_MACHINE 0x418C /* (ro) HP state machine */ +#define REG_HP_STATUS0 0x4190 /* (ro) HP status 1 */ +#define HP_STATUS0_SAP_MASK 0xFFFF0000 /* SAP */ +#define HP_STATUS0_L3_OFF_MASK 0x0000FE00 /* L3 offset */ +#define HP_STATUS0_LB_CPUNUM_MASK 0x000001F8 /* load balancing CPU + number */ +#define HP_STATUS0_HRP_OPCODE_MASK 0x00000007 /* HRP opcode */ + +#define REG_HP_STATUS1 0x4194 /* (ro) HP status 2 */ +#define HP_STATUS1_ACCUR2_MASK 0xE0000000 /* accu R2[6:4] */ +#define HP_STATUS1_FLOWID_MASK 0x1F800000 /* flow id */ +#define HP_STATUS1_TCP_OFF_MASK 0x007F0000 /* tcp payload offset */ +#define HP_STATUS1_TCP_SIZE_MASK 0x0000FFFF /* tcp payload size */ + +#define REG_HP_STATUS2 0x4198 /* (ro) HP status 3 */ +#define HP_STATUS2_ACCUR2_MASK 0xF0000000 /* accu R2[3:0] */ +#define HP_STATUS2_CSUM_OFF_MASK 0x07F00000 /* checksum start + start offset */ +#define HP_STATUS2_ACCUR1_MASK 0x000FE000 /* accu R1 */ +#define HP_STATUS2_FORCE_DROP 0x00001000 /* force drop */ +#define HP_STATUS2_BWO_REASSM 0x00000800 /* batching w/o + reassembly */ +#define HP_STATUS2_JH_SPLIT_EN 0x00000400 /* jumbo header split + enable */ +#define HP_STATUS2_FORCE_TCP_NOCHECK 0x00000200 /* force tcp no payload + check */ +#define HP_STATUS2_DATA_MASK_ZERO 0x00000100 /* mask of data length + equal to zero */ +#define HP_STATUS2_FORCE_TCP_CHECK 0x00000080 /* force tcp payload + chk */ +#define HP_STATUS2_MASK_TCP_THRESH 0x00000040 /* mask of payload + threshold */ +#define HP_STATUS2_NO_ASSIST 0x00000020 /* no assist */ +#define HP_STATUS2_CTRL_PACKET_FLAG 0x00000010 /* control packet flag */ +#define HP_STATUS2_TCP_FLAG_CHECK 0x00000008 /* tcp flag check */ +#define HP_STATUS2_SYN_FLAG 0x00000004 /* syn flag */ +#define HP_STATUS2_TCP_CHECK 0x00000002 /* tcp payload chk */ +#define HP_STATUS2_TCP_NOCHECK 0x00000001 /* tcp no payload chk */ + +/* BIST for header parser(HP) and flow database memories (FDBM). set _START + * to start BIST. controller clears _START on completion. _START can also + * be cleared to force termination of BIST. a bit set indicates that that + * memory passed its BIST. + */ +#define REG_HP_RAM_BIST 0x419C /* HP RAM BIST reg */ +#define HP_RAM_BIST_HP_DATA_PASS 0x80000000 /* HP data ram */ +#define HP_RAM_BIST_HP_INSTR0_PASS 0x40000000 /* HP instr ram 0 */ +#define HP_RAM_BIST_HP_INSTR1_PASS 0x20000000 /* HP instr ram 1 */ +#define HP_RAM_BIST_HP_INSTR2_PASS 0x10000000 /* HP instr ram 2 */ +#define HP_RAM_BIST_FDBM_AGE0_PASS 0x08000000 /* FDBM aging RAM0 */ +#define HP_RAM_BIST_FDBM_AGE1_PASS 0x04000000 /* FDBM aging RAM1 */ +#define HP_RAM_BIST_FDBM_FLOWID00_PASS 0x02000000 /* FDBM flowid RAM0 + bank 0 */ +#define HP_RAM_BIST_FDBM_FLOWID10_PASS 0x01000000 /* FDBM flowid RAM1 + bank 0 */ +#define HP_RAM_BIST_FDBM_FLOWID20_PASS 0x00800000 /* FDBM flowid RAM2 + bank 0 */ +#define HP_RAM_BIST_FDBM_FLOWID30_PASS 0x00400000 /* FDBM flowid RAM3 + bank 0 */ +#define HP_RAM_BIST_FDBM_FLOWID01_PASS 0x00200000 /* FDBM flowid RAM0 + bank 1 */ +#define HP_RAM_BIST_FDBM_FLOWID11_PASS 0x00100000 /* FDBM flowid RAM1 + bank 2 */ +#define HP_RAM_BIST_FDBM_FLOWID21_PASS 0x00080000 /* FDBM flowid RAM2 + bank 1 */ +#define HP_RAM_BIST_FDBM_FLOWID31_PASS 0x00040000 /* FDBM flowid RAM3 + bank 1 */ +#define HP_RAM_BIST_FDBM_TCPSEQ_PASS 0x00020000 /* FDBM tcp sequence + RAM */ +#define HP_RAM_BIST_SUMMARY 0x00000002 /* all BIST tests */ +#define HP_RAM_BIST_START 0x00000001 /* start/stop BIST */ + + +/** MAC registers. **/ +/* reset bits are set using a PIO write and self-cleared after the command + * execution has completed. + */ +#define REG_MAC_TX_RESET 0x6000 /* TX MAC software reset + command (default: 0x0) */ +#define REG_MAC_RX_RESET 0x6004 /* RX MAC software reset + command (default: 0x0) */ +/* execute a pause flow control frame transmission + DEFAULT: 0x0XXXX */ +#define REG_MAC_SEND_PAUSE 0x6008 /* send pause command reg */ +#define MAC_SEND_PAUSE_TIME_MASK 0x0000FFFF /* value of pause time + to be sent on network + in units of slot + times */ +#define MAC_SEND_PAUSE_SEND 0x00010000 /* send pause flow ctrl + frame on network */ + +/* bit set indicates that event occurred. auto-cleared when status register + * is read and have corresponding mask bits in mask register. events will + * trigger an interrupt if the corresponding mask bit is 0. + * status register default: 0x00000000 + * mask register default = 0xFFFFFFFF on reset + */ +#define REG_MAC_TX_STATUS 0x6010 /* TX MAC status reg */ +#define MAC_TX_FRAME_XMIT 0x0001 /* successful frame + transmision */ +#define MAC_TX_UNDERRUN 0x0002 /* terminated frame + transmission due to + data starvation in the + xmit data path */ +#define MAC_TX_MAX_PACKET_ERR 0x0004 /* frame exceeds max allowed + length passed to TX MAC + by the DMA engine */ +#define MAC_TX_COLL_NORMAL 0x0008 /* rollover of the normal + collision counter */ +#define MAC_TX_COLL_EXCESS 0x0010 /* rollover of the excessive + collision counter */ +#define MAC_TX_COLL_LATE 0x0020 /* rollover of the late + collision counter */ +#define MAC_TX_COLL_FIRST 0x0040 /* rollover of the first + collision counter */ +#define MAC_TX_DEFER_TIMER 0x0080 /* rollover of the defer + timer */ +#define MAC_TX_PEAK_ATTEMPTS 0x0100 /* rollover of the peak + attempts counter */ + +#define REG_MAC_RX_STATUS 0x6014 /* RX MAC status reg */ +#define MAC_RX_FRAME_RECV 0x0001 /* successful receipt of + a frame */ +#define MAC_RX_OVERFLOW 0x0002 /* dropped frame due to + RX FIFO overflow */ +#define MAC_RX_FRAME_COUNT 0x0004 /* rollover of receive frame + counter */ +#define MAC_RX_ALIGN_ERR 0x0008 /* rollover of alignment + error counter */ +#define MAC_RX_CRC_ERR 0x0010 /* rollover of crc error + counter */ +#define MAC_RX_LEN_ERR 0x0020 /* rollover of length + error counter */ +#define MAC_RX_VIOL_ERR 0x0040 /* rollover of code + violation error */ + +/* DEFAULT: 0xXXXX0000 on reset */ +#define REG_MAC_CTRL_STATUS 0x6018 /* MAC control status reg */ +#define MAC_CTRL_PAUSE_RECEIVED 0x00000001 /* successful + reception of a + pause control + frame */ +#define MAC_CTRL_PAUSE_STATE 0x00000002 /* MAC has made a + transition from + "not paused" to + "paused" */ +#define MAC_CTRL_NOPAUSE_STATE 0x00000004 /* MAC has made a + transition from + "paused" to "not + paused" */ +#define MAC_CTRL_PAUSE_TIME_MASK 0xFFFF0000 /* value of pause time + operand that was + received in the last + pause flow control + frame */ + +/* layout identical to TX MAC[8:0] */ +#define REG_MAC_TX_MASK 0x6020 /* TX MAC mask reg */ +/* layout identical to RX MAC[6:0] */ +#define REG_MAC_RX_MASK 0x6024 /* RX MAC mask reg */ +/* layout identical to CTRL MAC[2:0] */ +#define REG_MAC_CTRL_MASK 0x6028 /* MAC control mask reg */ + +/* to ensure proper operation, CFG_EN must be cleared to 0 and a delay + * imposed before writes to other bits in the TX_MAC_CFG register or any of + * the MAC parameters is performed. delay dependent upon time required to + * transmit a maximum size frame (= MAC_FRAMESIZE_MAX*8/Mbps). e.g., + * the delay for a 1518-byte frame on a 100Mbps network is 125us. + * alternatively, just poll TX_CFG_EN until it reads back as 0. + * NOTE: on half-duplex 1Gbps, TX_CFG_CARRIER_EXTEND and + * RX_CFG_CARRIER_EXTEND should be set and the SLOT_TIME register should + * be 0x200 (slot time of 512 bytes) + */ +#define REG_MAC_TX_CFG 0x6030 /* TX MAC config reg */ +#define MAC_TX_CFG_EN 0x0001 /* enable TX MAC. 0 will + force TXMAC state + machine to remain in + idle state or to + transition to idle state + on completion of an + ongoing packet. */ +#define MAC_TX_CFG_IGNORE_CARRIER 0x0002 /* disable CSMA/CD deferral + process. set to 1 when + full duplex and 0 when + half duplex */ +#define MAC_TX_CFG_IGNORE_COLL 0x0004 /* disable CSMA/CD backoff + algorithm. set to 1 when + full duplex and 0 when + half duplex */ +#define MAC_TX_CFG_IPG_EN 0x0008 /* enable extension of the + Rx-to-TX IPG. after + receiving a frame, TX + MAC will reset its + deferral process to + carrier sense for the + amount of time = IPG0 + + IPG1 and commit to + transmission for time + specified in IPG2. when + 0 or when xmitting frames + back-to-pack (Tx-to-Tx + IPG), TX MAC ignores + IPG0 and will only use + IPG1 for deferral time. + IPG2 still used. */ +#define MAC_TX_CFG_NEVER_GIVE_UP_EN 0x0010 /* TX MAC will not easily + give up on frame + xmission. if backoff + algorithm reaches the + ATTEMPT_LIMIT, it will + clear attempts counter + and continue trying to + send the frame as + specified by + GIVE_UP_LIM. when 0, + TX MAC will execute + standard CSMA/CD prot. */ +#define MAC_TX_CFG_NEVER_GIVE_UP_LIM 0x0020 /* when set, TX MAC will + continue to try to xmit + until successful. when + 0, TX MAC will continue + to try xmitting until + successful or backoff + algorithm reaches + ATTEMPT_LIMIT*16 */ +#define MAC_TX_CFG_NO_BACKOFF 0x0040 /* modify CSMA/CD to disable + backoff algorithm. TX + MAC will not back off + after a xmission attempt + that resulted in a + collision. */ +#define MAC_TX_CFG_SLOW_DOWN 0x0080 /* modify CSMA/CD so that + deferral process is reset + in response to carrier + sense during the entire + duration of IPG. TX MAC + will only commit to frame + xmission after frame + xmission has actually + begun. */ +#define MAC_TX_CFG_NO_FCS 0x0100 /* TX MAC will not generate + CRC for all xmitted + packets. when clear, CRC + generation is dependent + upon NO_CRC bit in the + xmit control word from + TX DMA */ +#define MAC_TX_CFG_CARRIER_EXTEND 0x0200 /* enables xmit part of the + carrier extension + feature. this allows for + longer collision domains + by extending the carrier + and collision window + from the end of FCS until + the end of the slot time + if necessary. Required + for half-duplex at 1Gbps, + clear otherwise. */ + +/* when CRC is not stripped, reassembly packets will not contain the CRC. + * these will be stripped by HRP because it reassembles layer 4 data, and the + * CRC is layer 2. however, non-reassembly packets will still contain the CRC + * when passed to the host. to ensure proper operation, need to wait 3.2ms + * after clearing RX_CFG_EN before writing to any other RX MAC registers + * or other MAC parameters. alternatively, poll RX_CFG_EN until it clears + * to 0. similary, HASH_FILTER_EN and ADDR_FILTER_EN have the same + * restrictions as CFG_EN. + */ +#define REG_MAC_RX_CFG 0x6034 /* RX MAC config reg */ +#define MAC_RX_CFG_EN 0x0001 /* enable RX MAC */ +#define MAC_RX_CFG_STRIP_PAD 0x0002 /* always program to 0. + feature not supported */ +#define MAC_RX_CFG_STRIP_FCS 0x0004 /* RX MAC will strip the + last 4 bytes of a + received frame. */ +#define MAC_RX_CFG_PROMISC_EN 0x0008 /* promiscuous mode */ +#define MAC_RX_CFG_PROMISC_GROUP_EN 0x0010 /* accept all valid + multicast frames (group + bit in DA field set) */ +#define MAC_RX_CFG_HASH_FILTER_EN 0x0020 /* use hash table to filter + multicast addresses */ +#define MAC_RX_CFG_ADDR_FILTER_EN 0x0040 /* cause RX MAC to use + address filtering regs + to filter both unicast + and multicast + addresses */ +#define MAC_RX_CFG_DISABLE_DISCARD 0x0080 /* pass errored frames to + RX DMA by setting BAD + bit but not Abort bit + in the status. CRC, + framing, and length errs + will not increment + error counters. frames + which don't match dest + addr will be passed up + w/ BAD bit set. */ +#define MAC_RX_CFG_CARRIER_EXTEND 0x0100 /* enable reception of + packet bursts generated + by carrier extension + with packet bursting + senders. only applies + to half-duplex 1Gbps */ + +/* DEFAULT: 0x0 */ +#define REG_MAC_CTRL_CFG 0x6038 /* MAC control config reg */ +#define MAC_CTRL_CFG_SEND_PAUSE_EN 0x0001 /* respond to requests for + sending pause flow ctrl + frames */ +#define MAC_CTRL_CFG_RECV_PAUSE_EN 0x0002 /* respond to received + pause flow ctrl frames */ +#define MAC_CTRL_CFG_PASS_CTRL 0x0004 /* pass valid MAC ctrl + packets to RX DMA */ + +/* to ensure proper operation, a global initialization sequence should be + * performed when a loopback config is entered or exited. if programmed after + * a hw or global sw reset, RX/TX MAC software reset and initialization + * should be done to ensure stable clocking. + * DEFAULT: 0x0 + */ +#define REG_MAC_XIF_CFG 0x603C /* XIF config reg */ +#define MAC_XIF_TX_MII_OUTPUT_EN 0x0001 /* enable output drivers + on MII xmit bus */ +#define MAC_XIF_MII_INT_LOOPBACK 0x0002 /* loopback GMII xmit data + path to GMII recv data + path. phy mode register + clock selection must be + set to GMII mode and + GMII_MODE should be set + to 1. in loopback mode, + REFCLK will drive the + entire mac core. 0 for + normal operation. */ +#define MAC_XIF_DISABLE_ECHO 0x0004 /* disables receive data + path during packet + xmission. clear to 0 + in any full duplex mode, + in any loopback mode, + or in half-duplex SERDES + or SLINK modes. set when + in half-duplex when + using external phy. */ +#define MAC_XIF_GMII_MODE 0x0008 /* MAC operates with GMII + clocks and datapath */ +#define MAC_XIF_MII_BUFFER_OUTPUT_EN 0x0010 /* MII_BUF_EN pin. enable + external tristate buffer + on the MII receive + bus. */ +#define MAC_XIF_LINK_LED 0x0020 /* LINKLED# active (low) */ +#define MAC_XIF_FDPLX_LED 0x0040 /* FDPLXLED# active (low) */ + +#define REG_MAC_IPG0 0x6040 /* inter-packet gap0 reg. + recommended: 0x00 */ +#define REG_MAC_IPG1 0x6044 /* inter-packet gap1 reg + recommended: 0x08 */ +#define REG_MAC_IPG2 0x6048 /* inter-packet gap2 reg + recommended: 0x04 */ +#define REG_MAC_SLOT_TIME 0x604C /* slot time reg + recommended: 0x40 */ +#define REG_MAC_FRAMESIZE_MIN 0x6050 /* min frame size reg + recommended: 0x40 */ + +/* FRAMESIZE_MAX holds both the max frame size as well as the max burst size. + * recommended value: 0x2000.05EE + */ +#define REG_MAC_FRAMESIZE_MAX 0x6054 /* max frame size reg */ +#define MAC_FRAMESIZE_MAX_BURST_MASK 0x3FFF0000 /* max burst size */ +#define MAC_FRAMESIZE_MAX_BURST_SHIFT 16 +#define MAC_FRAMESIZE_MAX_FRAME_MASK 0x00007FFF /* max frame size */ +#define MAC_FRAMESIZE_MAX_FRAME_SHIFT 0 +#define REG_MAC_PA_SIZE 0x6058 /* PA size reg. number of + preamble bytes that the + TX MAC will xmit at the + beginning of each frame + value should be 2 or + greater. recommended + value: 0x07 */ +#define REG_MAC_JAM_SIZE 0x605C /* jam size reg. duration + of jam in units of media + byte time. recommended + value: 0x04 */ +#define REG_MAC_ATTEMPT_LIMIT 0x6060 /* attempt limit reg. # + of attempts TX MAC will + make to xmit a frame + before it resets its + attempts counter. after + the limit has been + reached, TX MAC may or + may not drop the frame + dependent upon value + in TX_MAC_CFG. + recommended + value: 0x10 */ +#define REG_MAC_CTRL_TYPE 0x6064 /* MAC control type reg. + type field of a MAC + ctrl frame. recommended + value: 0x8808 */ + +/* mac address registers: 0 - 44, 0x6080 - 0x6130, 4 8-bit bytes. + * register contains comparison + * 0 16 MSB of primary MAC addr [47:32] of DA field + * 1 16 middle bits "" [31:16] of DA field + * 2 16 LSB "" [15:0] of DA field + * 3*x 16MSB of alt MAC addr 1-15 [47:32] of DA field + * 4*x 16 middle bits "" [31:16] + * 5*x 16 LSB "" [15:0] + * 42 16 MSB of MAC CTRL addr [47:32] of DA. + * 43 16 middle bits "" [31:16] + * 44 16 LSB "" [15:0] + * MAC CTRL addr must be the reserved multicast addr for MAC CTRL frames. + * if there is a match, MAC will set the bit for alternative address + * filter pass [15] + + * here is the map of registers given MAC address notation: a:b:c:d:e:f + * ab cd ef + * primary addr reg 2 reg 1 reg 0 + * alt addr 1 reg 5 reg 4 reg 3 + * alt addr x reg 5*x reg 4*x reg 3*x + * ctrl addr reg 44 reg 43 reg 42 + */ +#define REG_MAC_ADDR0 0x6080 /* MAC address 0 reg */ +#define REG_MAC_ADDRN(x) (REG_MAC_ADDR0 + (x)*4) +#define REG_MAC_ADDR_FILTER0 0x614C /* address filter 0 reg + [47:32] */ +#define REG_MAC_ADDR_FILTER1 0x6150 /* address filter 1 reg + [31:16] */ +#define REG_MAC_ADDR_FILTER2 0x6154 /* address filter 2 reg + [15:0] */ +#define REG_MAC_ADDR_FILTER2_1_MASK 0x6158 /* address filter 2 and 1 + mask reg. 8-bit reg + contains nibble mask for + reg 2 and 1. */ +#define REG_MAC_ADDR_FILTER0_MASK 0x615C /* address filter 0 mask + reg */ + +/* hash table registers: 0 - 15, 0x6160 - 0x619C, 4 8-bit bytes + * 16-bit registers contain bits of the hash table. + * reg x -> [16*(15 - x) + 15 : 16*(15 - x)]. + * e.g., 15 -> [15:0], 0 -> [255:240] + */ +#define REG_MAC_HASH_TABLE0 0x6160 /* hash table 0 reg */ +#define REG_MAC_HASH_TABLEN(x) (REG_MAC_HASH_TABLE0 + (x)*4) + +/* statistics registers. these registers generate an interrupt on + * overflow. recommended initialization: 0x0000. most are 16-bits except + * for PEAK_ATTEMPTS register which is 8 bits. + */ +#define REG_MAC_COLL_NORMAL 0x61A0 /* normal collision + counter. */ +#define REG_MAC_COLL_FIRST 0x61A4 /* first attempt + successful collision + counter */ +#define REG_MAC_COLL_EXCESS 0x61A8 /* excessive collision + counter */ +#define REG_MAC_COLL_LATE 0x61AC /* late collision counter */ +#define REG_MAC_TIMER_DEFER 0x61B0 /* defer timer. time base + is the media byte + clock/256 */ +#define REG_MAC_ATTEMPTS_PEAK 0x61B4 /* peak attempts reg */ +#define REG_MAC_RECV_FRAME 0x61B8 /* receive frame counter */ +#define REG_MAC_LEN_ERR 0x61BC /* length error counter */ +#define REG_MAC_ALIGN_ERR 0x61C0 /* alignment error counter */ +#define REG_MAC_FCS_ERR 0x61C4 /* FCS error counter */ +#define REG_MAC_RX_CODE_ERR 0x61C8 /* RX code violation + error counter */ + +/* misc registers */ +#define REG_MAC_RANDOM_SEED 0x61CC /* random number seed reg. + 10-bit register used as a + seed for the random number + generator for the CSMA/CD + backoff algorithm. only + programmed after power-on + reset and should be a + random value which has a + high likelihood of being + unique for each MAC + attached to a network + segment (e.g., 10 LSB of + MAC address) */ + +/* ASUN: there's a PAUSE_TIMER (ro) described, but it's not in the address + * map + */ + +/* 27-bit register has the current state for key state machines in the MAC */ +#define REG_MAC_STATE_MACHINE 0x61D0 /* (ro) state machine reg */ +#define MAC_SM_RLM_MASK 0x07800000 +#define MAC_SM_RLM_SHIFT 23 +#define MAC_SM_RX_FC_MASK 0x00700000 +#define MAC_SM_RX_FC_SHIFT 20 +#define MAC_SM_TLM_MASK 0x000F0000 +#define MAC_SM_TLM_SHIFT 16 +#define MAC_SM_ENCAP_SM_MASK 0x0000F000 +#define MAC_SM_ENCAP_SM_SHIFT 12 +#define MAC_SM_TX_REQ_MASK 0x00000C00 +#define MAC_SM_TX_REQ_SHIFT 10 +#define MAC_SM_TX_FC_MASK 0x000003C0 +#define MAC_SM_TX_FC_SHIFT 6 +#define MAC_SM_FIFO_WRITE_SEL_MASK 0x00000038 +#define MAC_SM_FIFO_WRITE_SEL_SHIFT 3 +#define MAC_SM_TX_FIFO_EMPTY_MASK 0x00000007 +#define MAC_SM_TX_FIFO_EMPTY_SHIFT 0 + +/** MIF registers. the MIF can be programmed in either bit-bang or + * frame mode. + **/ +#define REG_MIF_BIT_BANG_CLOCK 0x6200 /* MIF bit-bang clock. + 1 -> 0 will generate a + rising edge. 0 -> 1 will + generate a falling edge. */ +#define REG_MIF_BIT_BANG_DATA 0x6204 /* MIF bit-bang data. 1-bit + register generates data */ +#define REG_MIF_BIT_BANG_OUTPUT_EN 0x6208 /* MIF bit-bang output + enable. enable when + xmitting data from MIF to + transceiver. */ + +/* 32-bit register serves as an instruction register when the MIF is + * programmed in frame mode. load this register w/ a valid instruction + * (as per IEEE 802.3u MII spec). poll this register to check for instruction + * execution completion. during a read operation, this register will also + * contain the 16-bit data returned by the tranceiver. unless specified + * otherwise, fields are considered "don't care" when polling for + * completion. + */ +#define REG_MIF_FRAME 0x620C /* MIF frame/output reg */ +#define MIF_FRAME_START_MASK 0xC0000000 /* start of frame. + load w/ 01 when + issuing an instr */ +#define MIF_FRAME_ST 0x40000000 /* STart of frame */ +#define MIF_FRAME_OPCODE_MASK 0x30000000 /* opcode. 01 for a + write. 10 for a + read */ +#define MIF_FRAME_OP_READ 0x20000000 /* read OPcode */ +#define MIF_FRAME_OP_WRITE 0x10000000 /* write OPcode */ +#define MIF_FRAME_PHY_ADDR_MASK 0x0F800000 /* phy address. when + issuing an instr, + this field should be + loaded w/ the XCVR + addr */ +#define MIF_FRAME_PHY_ADDR_SHIFT 23 +#define MIF_FRAME_REG_ADDR_MASK 0x007C0000 /* register address. + when issuing an instr, + addr of register + to be read/written */ +#define MIF_FRAME_REG_ADDR_SHIFT 18 +#define MIF_FRAME_TURN_AROUND_MSB 0x00020000 /* turn around, MSB. + when issuing an instr, + set this bit to 1 */ +#define MIF_FRAME_TURN_AROUND_LSB 0x00010000 /* turn around, LSB. + when issuing an instr, + set this bit to 0. + when polling for + completion, 1 means + that instr execution + has been completed */ +#define MIF_FRAME_DATA_MASK 0x0000FFFF /* instruction payload + load with 16-bit data + to be written in + transceiver reg for a + write. doesn't matter + in a read. when + polling for + completion, field is + "don't care" for write + and 16-bit data + returned by the + transceiver for a + read (if valid bit + is set) */ +#define REG_MIF_CFG 0x6210 /* MIF config reg */ +#define MIF_CFG_PHY_SELECT 0x0001 /* 1 -> select MDIO_1 + 0 -> select MDIO_0 */ +#define MIF_CFG_POLL_EN 0x0002 /* enable polling + mechanism. if set, + BB_MODE should be 0 */ +#define MIF_CFG_BB_MODE 0x0004 /* 1 -> bit-bang mode + 0 -> frame mode */ +#define MIF_CFG_POLL_REG_MASK 0x00F8 /* register address to be + used by polling mode. + only meaningful if POLL_EN + is set to 1 */ +#define MIF_CFG_POLL_REG_SHIFT 3 +#define MIF_CFG_MDIO_0 0x0100 /* (ro) dual purpose. + when MDIO_0 is idle, + 1 -> tranceiver is + connected to MDIO_0. + when MIF is communicating + w/ MDIO_0 in bit-bang + mode, this bit indicates + the incoming bit stream + during a read op */ +#define MIF_CFG_MDIO_1 0x0200 /* (ro) dual purpose. + when MDIO_1 is idle, + 1 -> transceiver is + connected to MDIO_1. + when MIF is communicating + w/ MDIO_1 in bit-bang + mode, this bit indicates + the incoming bit stream + during a read op */ +#define MIF_CFG_POLL_PHY_MASK 0x7C00 /* tranceiver address to + be polled */ +#define MIF_CFG_POLL_PHY_SHIFT 10 + +/* 16-bit register used to determine which bits in the POLL_STATUS portion of + * the MIF_STATUS register will cause an interrupt. if a mask bit is 0, + * corresponding bit of the POLL_STATUS will generate a MIF interrupt when + * set. DEFAULT: 0xFFFF + */ +#define REG_MIF_MASK 0x6214 /* MIF mask reg */ + +/* 32-bit register used when in poll mode. auto-cleared after being read */ +#define REG_MIF_STATUS 0x6218 /* MIF status reg */ +#define MIF_STATUS_POLL_DATA_MASK 0xFFFF0000 /* poll data contains + the "latest image" + update of the XCVR + reg being read */ +#define MIF_STATUS_POLL_DATA_SHIFT 16 +#define MIF_STATUS_POLL_STATUS_MASK 0x0000FFFF /* poll status indicates + which bits in the + POLL_DATA field have + changed since the + MIF_STATUS reg was + last read */ +#define MIF_STATUS_POLL_STATUS_SHIFT 0 + +/* 7-bit register has current state for all state machines in the MIF */ +#define REG_MIF_STATE_MACHINE 0x621C /* MIF state machine reg */ +#define MIF_SM_CONTROL_MASK 0x07 /* control state machine + state */ +#define MIF_SM_EXECUTION_MASK 0x60 /* execution state machine + state */ + +/** PCS/Serialink. the following registers are equivalent to the standard + * MII management registers except that they're directly mapped in + * Cassini's register space. + **/ + +/* the auto-negotiation enable bit should be programmed the same at + * the link partner as in the local device to enable auto-negotiation to + * complete. when that bit is reprogrammed, auto-neg/manual config is + * restarted automatically. + * DEFAULT: 0x1040 + */ +#define REG_PCS_MII_CTRL 0x9000 /* PCS MII control reg */ +#define PCS_MII_CTRL_1000_SEL 0x0040 /* reads 1. ignored on + writes */ +#define PCS_MII_CTRL_COLLISION_TEST 0x0080 /* COL signal at the PCS + to MAC interface is + activated regardless + of activity */ +#define PCS_MII_CTRL_DUPLEX 0x0100 /* forced 0x0. PCS + behaviour same for + half and full dplx */ +#define PCS_MII_RESTART_AUTONEG 0x0200 /* self clearing. + restart auto- + negotiation */ +#define PCS_MII_ISOLATE 0x0400 /* read as 0. ignored + on writes */ +#define PCS_MII_POWER_DOWN 0x0800 /* read as 0. ignored + on writes */ +#define PCS_MII_AUTONEG_EN 0x1000 /* default 1. PCS goes + through automatic + link config before it + can be used. when 0, + link can be used + w/out any link config + phase */ +#define PCS_MII_10_100_SEL 0x2000 /* read as 0. ignored on + writes */ +#define PCS_MII_RESET 0x8000 /* reset PCS. self-clears + when done */ + +/* DEFAULT: 0x0108 */ +#define REG_PCS_MII_STATUS 0x9004 /* PCS MII status reg */ +#define PCS_MII_STATUS_EXTEND_CAP 0x0001 /* reads 0 */ +#define PCS_MII_STATUS_JABBER_DETECT 0x0002 /* reads 0 */ +#define PCS_MII_STATUS_LINK_STATUS 0x0004 /* 1 -> link up. + 0 -> link down. 0 is + latched so that 0 is + kept until read. read + 2x to determine if the + link has gone up again */ +#define PCS_MII_STATUS_AUTONEG_ABLE 0x0008 /* reads 1 (able to perform + auto-neg) */ +#define PCS_MII_STATUS_REMOTE_FAULT 0x0010 /* 1 -> remote fault detected + from received link code + word. only valid after + auto-neg completed */ +#define PCS_MII_STATUS_AUTONEG_COMP 0x0020 /* 1 -> auto-negotiation + completed + 0 -> auto-negotiation not + completed */ +#define PCS_MII_STATUS_EXTEND_STATUS 0x0100 /* reads as 1. used as an + indication that this is + a 1000 Base-X PHY. writes + to it are ignored */ + +/* used during auto-negotiation. + * DEFAULT: 0x00E0 + */ +#define REG_PCS_MII_ADVERT 0x9008 /* PCS MII advertisement + reg */ +#define PCS_MII_ADVERT_FD 0x0020 /* advertise full duplex + 1000 Base-X */ +#define PCS_MII_ADVERT_HD 0x0040 /* advertise half-duplex + 1000 Base-X */ +#define PCS_MII_ADVERT_SYM_PAUSE 0x0080 /* advertise PAUSE + symmetric capability */ +#define PCS_MII_ADVERT_ASYM_PAUSE 0x0100 /* advertises PAUSE + asymmetric capability */ +#define PCS_MII_ADVERT_RF_MASK 0x3000 /* remote fault. write bit13 + to optionally indicate to + link partner that chip is + going off-line. bit12 will + get set when signal + detect == FAIL and will + remain set until + successful negotiation */ +#define PCS_MII_ADVERT_ACK 0x4000 /* (ro) */ +#define PCS_MII_ADVERT_NEXT_PAGE 0x8000 /* (ro) forced 0x0 */ + +/* contents updated as a result of autonegotiation. layout and definitions + * identical to PCS_MII_ADVERT + */ +#define REG_PCS_MII_LPA 0x900C /* PCS MII link partner + ability reg */ +#define PCS_MII_LPA_FD PCS_MII_ADVERT_FD +#define PCS_MII_LPA_HD PCS_MII_ADVERT_HD +#define PCS_MII_LPA_SYM_PAUSE PCS_MII_ADVERT_SYM_PAUSE +#define PCS_MII_LPA_ASYM_PAUSE PCS_MII_ADVERT_ASYM_PAUSE +#define PCS_MII_LPA_RF_MASK PCS_MII_ADVERT_RF_MASK +#define PCS_MII_LPA_ACK PCS_MII_ADVERT_ACK +#define PCS_MII_LPA_NEXT_PAGE PCS_MII_ADVERT_NEXT_PAGE + +/* DEFAULT: 0x0 */ +#define REG_PCS_CFG 0x9010 /* PCS config reg */ +#define PCS_CFG_EN 0x01 /* enable PCS. must be + 0 when modifying + PCS_MII_ADVERT */ +#define PCS_CFG_SD_OVERRIDE 0x02 /* sets signal detect to + OK. bit is + non-resettable */ +#define PCS_CFG_SD_ACTIVE_LOW 0x04 /* changes interpretation + of optical signal to make + signal detect okay when + signal is low */ +#define PCS_CFG_JITTER_STUDY_MASK 0x18 /* used to make jitter + measurements. a single + code group is xmitted + regularly. + 0x0 = normal operation + 0x1 = high freq test + pattern, D21.5 + 0x2 = low freq test + pattern, K28.7 + 0x3 = reserved */ +#define PCS_CFG_10MS_TIMER_OVERRIDE 0x20 /* shortens 10-20ms auto- + negotiation timer to + a few cycles for test + purposes */ + +/* used for diagnostic purposes. bits 20-22 autoclear on read */ +#define REG_PCS_STATE_MACHINE 0x9014 /* (ro) PCS state machine + and diagnostic reg */ +#define PCS_SM_TX_STATE_MASK 0x0000000F /* 0 and 1 indicate + xmission of idle. + otherwise, xmission of + a packet */ +#define PCS_SM_RX_STATE_MASK 0x000000F0 /* 0 indicates reception + of idle. otherwise, + reception of packet */ +#define PCS_SM_WORD_SYNC_STATE_MASK 0x00000700 /* 0 indicates loss of + sync */ +#define PCS_SM_SEQ_DETECT_STATE_MASK 0x00001800 /* cycling through 0-3 + indicates reception of + Config codes. cycling + through 0-1 indicates + reception of idles */ +#define PCS_SM_LINK_STATE_MASK 0x0001E000 +#define SM_LINK_STATE_UP 0x00016000 /* link state is up */ + +#define PCS_SM_LOSS_LINK_C 0x00100000 /* loss of link due to + recept of Config + codes */ +#define PCS_SM_LOSS_LINK_SYNC 0x00200000 /* loss of link due to + loss of sync */ +#define PCS_SM_LOSS_SIGNAL_DETECT 0x00400000 /* signal detect goes + from OK to FAIL. bit29 + will also be set if + this is set */ +#define PCS_SM_NO_LINK_BREAKLINK 0x01000000 /* link not up due to + receipt of breaklink + C codes from partner. + C codes w/ 0 content + received triggering + start/restart of + autonegotiation. + should be sent for + no longer than 20ms */ +#define PCS_SM_NO_LINK_SERDES 0x02000000 /* serdes being + initialized. see serdes + state reg */ +#define PCS_SM_NO_LINK_C 0x04000000 /* C codes not stable or + not received */ +#define PCS_SM_NO_LINK_SYNC 0x08000000 /* word sync not + achieved */ +#define PCS_SM_NO_LINK_WAIT_C 0x10000000 /* waiting for C codes + w/ ack bit set */ +#define PCS_SM_NO_LINK_NO_IDLE 0x20000000 /* link partner continues + to send C codes + instead of idle + symbols or pkt data */ + +/* this register indicates interrupt changes in specific PCS MII status bits. + * PCS_INT may be masked at the ISR level. only a single bit is implemented + * for link status change. + */ +#define REG_PCS_INTR_STATUS 0x9018 /* PCS interrupt status */ +#define PCS_INTR_STATUS_LINK_CHANGE 0x04 /* link status has changed + since last read */ + +/* control which network interface is used. no more than one bit should + * be set. + * DEFAULT: none + */ +#define REG_PCS_DATAPATH_MODE 0x9050 /* datapath mode reg */ +#define PCS_DATAPATH_MODE_MII 0x00 /* PCS is not used and + MII/GMII is selected. + selection between MII and + GMII is controlled by + XIF_CFG */ +#define PCS_DATAPATH_MODE_SERDES 0x02 /* PCS is used via the + 10-bit interface */ + +/* input to serdes chip or serialink block */ +#define REG_PCS_SERDES_CTRL 0x9054 /* serdes control reg */ +#define PCS_SERDES_CTRL_LOOPBACK 0x01 /* enable loopback on + serdes interface */ +#define PCS_SERDES_CTRL_SYNCD_EN 0x02 /* enable sync carrier + detection. should be + 0x0 for normal + operation */ +#define PCS_SERDES_CTRL_LOCKREF 0x04 /* frequency-lock RBC[0:1] + to REFCLK when set. + when clear, receiver + clock locks to incoming + serial data */ + +/* multiplex test outputs into the PROM address (PA_3 through PA_0) pins. + * should be 0x0 for normal operations. + * 0b000 normal operation, PROM address[3:0] selected + * 0b001 rxdma req, rxdma ack, rxdma ready, rxdma read + * 0b010 rxmac req, rx ack, rx tag, rx clk shared + * 0b011 txmac req, tx ack, tx tag, tx retry req + * 0b100 tx tp3, tx tp2, tx tp1, tx tp0 + * 0b101 R period RX, R period TX, R period HP, R period BIM + * DEFAULT: 0x0 + */ +#define REG_PCS_SHARED_OUTPUT_SEL 0x9058 /* shared output select */ +#define PCS_SOS_PROM_ADDR_MASK 0x0007 + +/* used for diagnostics. this register indicates progress of the SERDES + * boot up. + * 0b00 undergoing reset + * 0b01 waiting 500us while lockrefn is asserted + * 0b10 waiting for comma detect + * 0b11 receive data is synchronized + * DEFAULT: 0x0 + */ +#define REG_PCS_SERDES_STATE 0x905C /* (ro) serdes state */ +#define PCS_SERDES_STATE_MASK 0x03 + +/* used for diagnostics. indicates number of packets transmitted or received. + * counters rollover w/out generating an interrupt. + * DEFAULT: 0x0 + */ +#define REG_PCS_PACKET_COUNT 0x9060 /* (ro) PCS packet counter */ +#define PCS_PACKET_COUNT_TX 0x000007FF /* pkts xmitted by PCS */ +#define PCS_PACKET_COUNT_RX 0x07FF0000 /* pkts recvd by PCS + whether they + encountered an error + or not */ + +/** LocalBus Devices. the following provides run-time access to the + * Cassini's PROM + ***/ +#define REG_EXPANSION_ROM_RUN_START 0x100000 /* expansion rom run time + access */ +#define REG_EXPANSION_ROM_RUN_END 0x17FFFF + +#define REG_SECOND_LOCALBUS_START 0x180000 /* secondary local bus + device */ +#define REG_SECOND_LOCALBUS_END 0x1FFFFF + +/* entropy device */ +#define REG_ENTROPY_START REG_SECOND_LOCALBUS_START +#define REG_ENTROPY_DATA (REG_ENTROPY_START + 0x00) +#define REG_ENTROPY_STATUS (REG_ENTROPY_START + 0x04) +#define ENTROPY_STATUS_DRDY 0x01 +#define ENTROPY_STATUS_BUSY 0x02 +#define ENTROPY_STATUS_CIPHER 0x04 +#define ENTROPY_STATUS_BYPASS_MASK 0x18 +#define REG_ENTROPY_MODE (REG_ENTROPY_START + 0x05) +#define ENTROPY_MODE_KEY_MASK 0x07 +#define ENTROPY_MODE_ENCRYPT 0x40 +#define REG_ENTROPY_RAND_REG (REG_ENTROPY_START + 0x06) +#define REG_ENTROPY_RESET (REG_ENTROPY_START + 0x07) +#define ENTROPY_RESET_DES_IO 0x01 +#define ENTROPY_RESET_STC_MODE 0x02 +#define ENTROPY_RESET_KEY_CACHE 0x04 +#define ENTROPY_RESET_IV 0x08 +#define REG_ENTROPY_IV (REG_ENTROPY_START + 0x08) +#define REG_ENTROPY_KEY0 (REG_ENTROPY_START + 0x10) +#define REG_ENTROPY_KEYN(x) (REG_ENTROPY_KEY0 + 4*(x)) + +/* phys of interest w/ their special mii registers */ +#define PHY_LUCENT_B0 0x00437421 +#define LUCENT_MII_REG 0x1F + +#define PHY_NS_DP83065 0x20005c78 +#define DP83065_MII_MEM 0x16 +#define DP83065_MII_REGD 0x1D +#define DP83065_MII_REGE 0x1E + +#define PHY_BROADCOM_5411 0x00206071 +#define PHY_BROADCOM_B0 0x00206050 +#define BROADCOM_MII_REG4 0x14 +#define BROADCOM_MII_REG5 0x15 +#define BROADCOM_MII_REG7 0x17 +#define BROADCOM_MII_REG8 0x18 + +#define CAS_MII_ANNPTR 0x07 +#define CAS_MII_ANNPRR 0x08 +#define CAS_MII_1000_CTRL 0x09 +#define CAS_MII_1000_STATUS 0x0A +#define CAS_MII_1000_EXTEND 0x0F + +#define CAS_BMSR_1000_EXTEND 0x0100 /* supports 1000Base-T extended status */ +/* + * if autoneg is disabled, here's the table: + * BMCR_SPEED100 = 100Mbps + * BMCR_SPEED1000 = 1000Mbps + * ~(BMCR_SPEED100 | BMCR_SPEED1000) = 10Mbps + */ +#define CAS_BMCR_SPEED1000 0x0040 /* Select 1000Mbps */ + +#define CAS_ADVERTISE_1000HALF 0x0100 +#define CAS_ADVERTISE_1000FULL 0x0200 +#define CAS_ADVERTISE_PAUSE 0x0400 +#define CAS_ADVERTISE_ASYM_PAUSE 0x0800 + +/* regular lpa register */ +#define CAS_LPA_PAUSE CAS_ADVERTISE_PAUSE +#define CAS_LPA_ASYM_PAUSE CAS_ADVERTISE_ASYM_PAUSE + +/* 1000_STATUS register */ +#define CAS_LPA_1000HALF 0x0400 +#define CAS_LPA_1000FULL 0x0800 + +#define CAS_EXTEND_1000XFULL 0x8000 +#define CAS_EXTEND_1000XHALF 0x4000 +#define CAS_EXTEND_1000TFULL 0x2000 +#define CAS_EXTEND_1000THALF 0x1000 + +/* cassini header parser firmware */ +typedef struct cas_hp_inst { + const char *note; + + u16 mask, val; + + u8 op; + u8 soff, snext; /* if match succeeds, new offset and match */ + u8 foff, fnext; /* if match fails, new offset and match */ + /* output info */ + u8 outop; /* output opcode */ + + u16 outarg; /* output argument */ + u8 outenab; /* output enable: 0 = not, 1 = if match + 2 = if !match, 3 = always */ + u8 outshift; /* barrel shift right, 4 bits */ + u16 outmask; +} cas_hp_inst_t; + +/* comparison */ +#define OP_EQ 0 /* packet == value */ +#define OP_LT 1 /* packet < value */ +#define OP_GT 2 /* packet > value */ +#define OP_NP 3 /* new packet */ + +/* output opcodes */ +#define CL_REG 0 +#define LD_FID 1 +#define LD_SEQ 2 +#define LD_CTL 3 +#define LD_SAP 4 +#define LD_R1 5 +#define LD_L3 6 +#define LD_SUM 7 +#define LD_HDR 8 +#define IM_FID 9 +#define IM_SEQ 10 +#define IM_SAP 11 +#define IM_R1 12 +#define IM_CTL 13 +#define LD_LEN 14 +#define ST_FLG 15 + +/* match setp #s for IP4TCP4 */ +#define S1_PCKT 0 +#define S1_VLAN 1 +#define S1_CFI 2 +#define S1_8023 3 +#define S1_LLC 4 +#define S1_LLCc 5 +#define S1_IPV4 6 +#define S1_IPV4c 7 +#define S1_IPV4F 8 +#define S1_TCP44 9 +#define S1_IPV6 10 +#define S1_IPV6L 11 +#define S1_IPV6c 12 +#define S1_TCP64 13 +#define S1_TCPSQ 14 +#define S1_TCPFG 15 +#define S1_TCPHL 16 +#define S1_TCPHc 17 +#define S1_CLNP 18 +#define S1_CLNP2 19 +#define S1_DROP 20 +#define S2_HTTP 21 +#define S1_ESP4 22 +#define S1_AH4 23 +#define S1_ESP6 24 +#define S1_AH6 25 + +#define CAS_PROG_IP46TCP4_PREAMBLE \ +{ "packet arrival?", 0xffff, 0x0000, OP_NP, 6, S1_VLAN, 0, S1_PCKT, \ + CL_REG, 0x3ff, 1, 0x0, 0x0000}, \ +{ "VLAN?", 0xffff, 0x8100, OP_EQ, 1, S1_CFI, 0, S1_8023, \ + IM_CTL, 0x00a, 3, 0x0, 0xffff}, \ +{ "CFI?", 0x1000, 0x1000, OP_EQ, 0, S1_DROP, 1, S1_8023, \ + CL_REG, 0x000, 0, 0x0, 0x0000}, \ +{ "8023?", 0xffff, 0x0600, OP_LT, 1, S1_LLC, 0, S1_IPV4, \ + CL_REG, 0x000, 0, 0x0, 0x0000}, \ +{ "LLC?", 0xffff, 0xaaaa, OP_EQ, 1, S1_LLCc, 0, S1_CLNP, \ + CL_REG, 0x000, 0, 0x0, 0x0000}, \ +{ "LLCc?", 0xff00, 0x0300, OP_EQ, 2, S1_IPV4, 0, S1_CLNP, \ + CL_REG, 0x000, 0, 0x0, 0x0000}, \ +{ "IPV4?", 0xffff, 0x0800, OP_EQ, 1, S1_IPV4c, 0, S1_IPV6, \ + LD_SAP, 0x100, 3, 0x0, 0xffff}, \ +{ "IPV4 cont?", 0xff00, 0x4500, OP_EQ, 3, S1_IPV4F, 0, S1_CLNP, \ + LD_SUM, 0x00a, 1, 0x0, 0x0000}, \ +{ "IPV4 frag?", 0x3fff, 0x0000, OP_EQ, 1, S1_TCP44, 0, S1_CLNP, \ + LD_LEN, 0x03e, 1, 0x0, 0xffff}, \ +{ "TCP44?", 0x00ff, 0x0006, OP_EQ, 7, S1_TCPSQ, 0, S1_CLNP, \ + LD_FID, 0x182, 1, 0x0, 0xffff}, /* FID IP4&TCP src+dst */ \ +{ "IPV6?", 0xffff, 0x86dd, OP_EQ, 1, S1_IPV6L, 0, S1_CLNP, \ + LD_SUM, 0x015, 1, 0x0, 0x0000}, \ +{ "IPV6 len", 0xf000, 0x6000, OP_EQ, 0, S1_IPV6c, 0, S1_CLNP, \ + IM_R1, 0x128, 1, 0x0, 0xffff}, \ +{ "IPV6 cont?", 0x0000, 0x0000, OP_EQ, 3, S1_TCP64, 0, S1_CLNP, \ + LD_FID, 0x484, 1, 0x0, 0xffff}, /* FID IP6&TCP src+dst */ \ +{ "TCP64?", 0xff00, 0x0600, OP_EQ, 18, S1_TCPSQ, 0, S1_CLNP, \ + LD_LEN, 0x03f, 1, 0x0, 0xffff} + +#ifdef USE_HP_IP46TCP4 +static cas_hp_inst_t cas_prog_ip46tcp4tab[] = { + CAS_PROG_IP46TCP4_PREAMBLE, + { "TCP seq", /* DADDR should point to dest port */ + 0x0000, 0x0000, OP_EQ, 0, S1_TCPFG, 4, S1_TCPFG, LD_SEQ, + 0x081, 3, 0x0, 0xffff}, /* Load TCP seq # */ + { "TCP control flags", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHL, 0, + S1_TCPHL, ST_FLG, 0x045, 3, 0x0, 0x002f}, /* Load TCP flags */ + { "TCP length", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHc, 0, + S1_TCPHc, LD_R1, 0x205, 3, 0xB, 0xf000}, + { "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, + S1_PCKT, LD_HDR, 0x0ff, 3, 0x0, 0xffff}, + { "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP2, + IM_CTL, 0x001, 3, 0x0, 0x0001}, + { "Cleanup 2", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + IM_CTL, 0x000, 0, 0x0, 0x0000}, + { "Drop packet", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + IM_CTL, 0x080, 3, 0x0, 0xffff}, + { NULL }, +}; +#ifdef HP_IP46TCP4_DEFAULT +#define CAS_HP_FIRMWARE cas_prog_ip46tcp4tab +#endif +#endif + +/* + * Alternate table load which excludes HTTP server traffic from reassembly. + * It is substantially similar to the basic table, with one extra state + * and a few extra compares. */ +#ifdef USE_HP_IP46TCP4NOHTTP +static cas_hp_inst_t cas_prog_ip46tcp4nohttptab[] = { + CAS_PROG_IP46TCP4_PREAMBLE, + { "TCP seq", /* DADDR should point to dest port */ + 0xFFFF, 0x0080, OP_EQ, 0, S2_HTTP, 0, S1_TCPFG, LD_SEQ, + 0x081, 3, 0x0, 0xffff} , /* Load TCP seq # */ + { "TCP control flags", 0xFFFF, 0x8080, OP_EQ, 0, S2_HTTP, 0, + S1_TCPHL, ST_FLG, 0x145, 2, 0x0, 0x002f, }, /* Load TCP flags */ + { "TCP length", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHc, 0, S1_TCPHc, + LD_R1, 0x205, 3, 0xB, 0xf000}, + { "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + LD_HDR, 0x0ff, 3, 0x0, 0xffff}, + { "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP2, + IM_CTL, 0x001, 3, 0x0, 0x0001}, + { "Cleanup 2", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + CL_REG, 0x002, 3, 0x0, 0x0000}, + { "Drop packet", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + IM_CTL, 0x080, 3, 0x0, 0xffff}, + { "No HTTP", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + IM_CTL, 0x044, 3, 0x0, 0xffff}, + { NULL }, +}; +#ifdef HP_IP46TCP4NOHTTP_DEFAULT +#define CAS_HP_FIRMWARE cas_prog_ip46tcp4nohttptab +#endif +#endif + +/* match step #s for IP4FRAG */ +#define S3_IPV6c 11 +#define S3_TCP64 12 +#define S3_TCPSQ 13 +#define S3_TCPFG 14 +#define S3_TCPHL 15 +#define S3_TCPHc 16 +#define S3_FRAG 17 +#define S3_FOFF 18 +#define S3_CLNP 19 + +#ifdef USE_HP_IP4FRAG +static cas_hp_inst_t cas_prog_ip4fragtab[] = { + { "packet arrival?", 0xffff, 0x0000, OP_NP, 6, S1_VLAN, 0, S1_PCKT, + CL_REG, 0x3ff, 1, 0x0, 0x0000}, + { "VLAN?", 0xffff, 0x8100, OP_EQ, 1, S1_CFI, 0, S1_8023, + IM_CTL, 0x00a, 3, 0x0, 0xffff}, + { "CFI?", 0x1000, 0x1000, OP_EQ, 0, S3_CLNP, 1, S1_8023, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "8023?", 0xffff, 0x0600, OP_LT, 1, S1_LLC, 0, S1_IPV4, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "LLC?", 0xffff, 0xaaaa, OP_EQ, 1, S1_LLCc, 0, S3_CLNP, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "LLCc?",0xff00, 0x0300, OP_EQ, 2, S1_IPV4, 0, S3_CLNP, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "IPV4?", 0xffff, 0x0800, OP_EQ, 1, S1_IPV4c, 0, S1_IPV6, + LD_SAP, 0x100, 3, 0x0, 0xffff}, + { "IPV4 cont?", 0xff00, 0x4500, OP_EQ, 3, S1_IPV4F, 0, S3_CLNP, + LD_SUM, 0x00a, 1, 0x0, 0x0000}, + { "IPV4 frag?", 0x3fff, 0x0000, OP_EQ, 1, S1_TCP44, 0, S3_FRAG, + LD_LEN, 0x03e, 3, 0x0, 0xffff}, + { "TCP44?", 0x00ff, 0x0006, OP_EQ, 7, S3_TCPSQ, 0, S3_CLNP, + LD_FID, 0x182, 3, 0x0, 0xffff}, /* FID IP4&TCP src+dst */ + { "IPV6?", 0xffff, 0x86dd, OP_EQ, 1, S3_IPV6c, 0, S3_CLNP, + LD_SUM, 0x015, 1, 0x0, 0x0000}, + { "IPV6 cont?", 0xf000, 0x6000, OP_EQ, 3, S3_TCP64, 0, S3_CLNP, + LD_FID, 0x484, 1, 0x0, 0xffff}, /* FID IP6&TCP src+dst */ + { "TCP64?", 0xff00, 0x0600, OP_EQ, 18, S3_TCPSQ, 0, S3_CLNP, + LD_LEN, 0x03f, 1, 0x0, 0xffff}, + { "TCP seq", /* DADDR should point to dest port */ + 0x0000, 0x0000, OP_EQ, 0, S3_TCPFG, 4, S3_TCPFG, LD_SEQ, + 0x081, 3, 0x0, 0xffff}, /* Load TCP seq # */ + { "TCP control flags", 0x0000, 0x0000, OP_EQ, 0, S3_TCPHL, 0, + S3_TCPHL, ST_FLG, 0x045, 3, 0x0, 0x002f}, /* Load TCP flags */ + { "TCP length", 0x0000, 0x0000, OP_EQ, 0, S3_TCPHc, 0, S3_TCPHc, + LD_R1, 0x205, 3, 0xB, 0xf000}, + { "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + LD_HDR, 0x0ff, 3, 0x0, 0xffff}, + { "IP4 Fragment", 0x0000, 0x0000, OP_EQ, 0, S3_FOFF, 0, S3_FOFF, + LD_FID, 0x103, 3, 0x0, 0xffff}, /* FID IP4 src+dst */ + { "IP4 frag offset", 0x0000, 0x0000, OP_EQ, 0, S3_FOFF, 0, S3_FOFF, + LD_SEQ, 0x040, 1, 0xD, 0xfff8}, + { "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + IM_CTL, 0x001, 3, 0x0, 0x0001}, + { NULL }, +}; +#ifdef HP_IP4FRAG_DEFAULT +#define CAS_HP_FIRMWARE cas_prog_ip4fragtab +#endif +#endif + +/* + * Alternate table which does batching without reassembly + */ +#ifdef USE_HP_IP46TCP4BATCH +static cas_hp_inst_t cas_prog_ip46tcp4batchtab[] = { + CAS_PROG_IP46TCP4_PREAMBLE, + { "TCP seq", /* DADDR should point to dest port */ + 0x0000, 0x0000, OP_EQ, 0, S1_TCPFG, 0, S1_TCPFG, LD_SEQ, + 0x081, 3, 0x0, 0xffff}, /* Load TCP seq # */ + { "TCP control flags", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHL, 0, + S1_TCPHL, ST_FLG, 0x000, 3, 0x0, 0x0000}, /* Load TCP flags */ + { "TCP length", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHc, 0, + S1_TCPHc, LD_R1, 0x205, 3, 0xB, 0xf000}, + { "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, + S1_PCKT, IM_CTL, 0x040, 3, 0x0, 0xffff}, /* set batch bit */ + { "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + IM_CTL, 0x001, 3, 0x0, 0x0001}, + { "Drop packet", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, + S1_PCKT, IM_CTL, 0x080, 3, 0x0, 0xffff}, + { NULL }, +}; +#ifdef HP_IP46TCP4BATCH_DEFAULT +#define CAS_HP_FIRMWARE cas_prog_ip46tcp4batchtab +#endif +#endif + +/* Workaround for Cassini rev2 descriptor corruption problem. + * Does batching without reassembly, and sets the SAP to a known + * data pattern for all packets. + */ +#ifdef USE_HP_WORKAROUND +static cas_hp_inst_t cas_prog_workaroundtab[] = { + { "packet arrival?", 0xffff, 0x0000, OP_NP, 6, S1_VLAN, 0, + S1_PCKT, CL_REG, 0x3ff, 1, 0x0, 0x0000} , + { "VLAN?", 0xffff, 0x8100, OP_EQ, 1, S1_CFI, 0, S1_8023, + IM_CTL, 0x04a, 3, 0x0, 0xffff}, + { "CFI?", 0x1000, 0x1000, OP_EQ, 0, S1_CLNP, 1, S1_8023, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "8023?", 0xffff, 0x0600, OP_LT, 1, S1_LLC, 0, S1_IPV4, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "LLC?", 0xffff, 0xaaaa, OP_EQ, 1, S1_LLCc, 0, S1_CLNP, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "LLCc?", 0xff00, 0x0300, OP_EQ, 2, S1_IPV4, 0, S1_CLNP, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "IPV4?", 0xffff, 0x0800, OP_EQ, 1, S1_IPV4c, 0, S1_IPV6, + IM_SAP, 0x6AE, 3, 0x0, 0xffff}, + { "IPV4 cont?", 0xff00, 0x4500, OP_EQ, 3, S1_IPV4F, 0, S1_CLNP, + LD_SUM, 0x00a, 1, 0x0, 0x0000}, + { "IPV4 frag?", 0x3fff, 0x0000, OP_EQ, 1, S1_TCP44, 0, S1_CLNP, + LD_LEN, 0x03e, 1, 0x0, 0xffff}, + { "TCP44?", 0x00ff, 0x0006, OP_EQ, 7, S1_TCPSQ, 0, S1_CLNP, + LD_FID, 0x182, 3, 0x0, 0xffff}, /* FID IP4&TCP src+dst */ + { "IPV6?", 0xffff, 0x86dd, OP_EQ, 1, S1_IPV6L, 0, S1_CLNP, + LD_SUM, 0x015, 1, 0x0, 0x0000}, + { "IPV6 len", 0xf000, 0x6000, OP_EQ, 0, S1_IPV6c, 0, S1_CLNP, + IM_R1, 0x128, 1, 0x0, 0xffff}, + { "IPV6 cont?", 0x0000, 0x0000, OP_EQ, 3, S1_TCP64, 0, S1_CLNP, + LD_FID, 0x484, 1, 0x0, 0xffff}, /* FID IP6&TCP src+dst */ + { "TCP64?", 0xff00, 0x0600, OP_EQ, 18, S1_TCPSQ, 0, S1_CLNP, + LD_LEN, 0x03f, 1, 0x0, 0xffff}, + { "TCP seq", /* DADDR should point to dest port */ + 0x0000, 0x0000, OP_EQ, 0, S1_TCPFG, 4, S1_TCPFG, LD_SEQ, + 0x081, 3, 0x0, 0xffff}, /* Load TCP seq # */ + { "TCP control flags", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHL, 0, + S1_TCPHL, ST_FLG, 0x045, 3, 0x0, 0x002f}, /* Load TCP flags */ + { "TCP length", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHc, 0, S1_TCPHc, + LD_R1, 0x205, 3, 0xB, 0xf000}, + { "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, + S1_PCKT, LD_HDR, 0x0ff, 3, 0x0, 0xffff}, + { "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP2, + IM_SAP, 0x6AE, 3, 0x0, 0xffff} , + { "Cleanup 2", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + IM_CTL, 0x001, 3, 0x0, 0x0001}, + { NULL }, +}; +#ifdef HP_WORKAROUND_DEFAULT +#define CAS_HP_FIRMWARE cas_prog_workaroundtab +#endif +#endif + +#ifdef USE_HP_ENCRYPT +static cas_hp_inst_t cas_prog_encryptiontab[] = { + { "packet arrival?", 0xffff, 0x0000, OP_NP, 6, S1_VLAN, 0, + S1_PCKT, CL_REG, 0x3ff, 1, 0x0, 0x0000}, + { "VLAN?", 0xffff, 0x8100, OP_EQ, 1, S1_CFI, 0, S1_8023, + IM_CTL, 0x00a, 3, 0x0, 0xffff}, +#if 0 +//"CFI?", /* 02 FIND CFI and If FIND go to S1_DROP */ +//0x1000, 0x1000, OP_EQ, 0, S1_DROP, 1, S1_8023, CL_REG, 0x000, 0, 0x0, 0x00 + 00, +#endif + { "CFI?", /* FIND CFI and If FIND go to CleanUP1 (ignore and send to host) */ + 0x1000, 0x1000, OP_EQ, 0, S1_CLNP, 1, S1_8023, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "8023?", 0xffff, 0x0600, OP_LT, 1, S1_LLC, 0, S1_IPV4, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "LLC?", 0xffff, 0xaaaa, OP_EQ, 1, S1_LLCc, 0, S1_CLNP, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "LLCc?", 0xff00, 0x0300, OP_EQ, 2, S1_IPV4, 0, S1_CLNP, + CL_REG, 0x000, 0, 0x0, 0x0000}, + { "IPV4?", 0xffff, 0x0800, OP_EQ, 1, S1_IPV4c, 0, S1_IPV6, + LD_SAP, 0x100, 3, 0x0, 0xffff}, + { "IPV4 cont?", 0xff00, 0x4500, OP_EQ, 3, S1_IPV4F, 0, S1_CLNP, + LD_SUM, 0x00a, 1, 0x0, 0x0000}, + { "IPV4 frag?", 0x3fff, 0x0000, OP_EQ, 1, S1_TCP44, 0, S1_CLNP, + LD_LEN, 0x03e, 1, 0x0, 0xffff}, + { "TCP44?", 0x00ff, 0x0006, OP_EQ, 7, S1_TCPSQ, 0, S1_ESP4, + LD_FID, 0x182, 1, 0x0, 0xffff}, /* FID IP4&TCP src+dst */ + { "IPV6?", 0xffff, 0x86dd, OP_EQ, 1, S1_IPV6L, 0, S1_CLNP, + LD_SUM, 0x015, 1, 0x0, 0x0000}, + { "IPV6 len", 0xf000, 0x6000, OP_EQ, 0, S1_IPV6c, 0, S1_CLNP, + IM_R1, 0x128, 1, 0x0, 0xffff}, + { "IPV6 cont?", 0x0000, 0x0000, OP_EQ, 3, S1_TCP64, 0, S1_CLNP, + LD_FID, 0x484, 1, 0x0, 0xffff}, /* FID IP6&TCP src+dst */ + { "TCP64?", +#if 0 +//@@@0xff00, 0x0600, OP_EQ, 18, S1_TCPSQ, 0, S1_ESP6, LD_LEN, 0x03f, 1, 0x0, 0xffff, +#endif + 0xff00, 0x0600, OP_EQ, 12, S1_TCPSQ, 0, S1_ESP6, LD_LEN, + 0x03f, 1, 0x0, 0xffff}, + { "TCP seq", /* 14:DADDR should point to dest port */ + 0xFFFF, 0x0080, OP_EQ, 0, S2_HTTP, 0, S1_TCPFG, LD_SEQ, + 0x081, 3, 0x0, 0xffff}, /* Load TCP seq # */ + { "TCP control flags", 0xFFFF, 0x8080, OP_EQ, 0, S2_HTTP, 0, + S1_TCPHL, ST_FLG, 0x145, 2, 0x0, 0x002f}, /* Load TCP flags */ + { "TCP length", 0x0000, 0x0000, OP_EQ, 0, S1_TCPHc, 0, S1_TCPHc, + LD_R1, 0x205, 3, 0xB, 0xf000} , + { "TCP length cont", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, + S1_PCKT, LD_HDR, 0x0ff, 3, 0x0, 0xffff}, + { "Cleanup", 0x0000, 0x0000, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP2, + IM_CTL, 0x001, 3, 0x0, 0x0001}, + { "Cleanup 2", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + CL_REG, 0x002, 3, 0x0, 0x0000}, + { "Drop packet", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + IM_CTL, 0x080, 3, 0x0, 0xffff}, + { "No HTTP", 0x0000, 0x0000, OP_EQ, 0, S1_PCKT, 0, S1_PCKT, + IM_CTL, 0x044, 3, 0x0, 0xffff}, + { "IPV4 ESP encrypted?", /* S1_ESP4 */ + 0x00ff, 0x0032, OP_EQ, 0, S1_CLNP2, 0, S1_AH4, IM_CTL, + 0x021, 1, 0x0, 0xffff}, + { "IPV4 AH encrypted?", /* S1_AH4 */ + 0x00ff, 0x0033, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP, IM_CTL, + 0x021, 1, 0x0, 0xffff}, + { "IPV6 ESP encrypted?", /* S1_ESP6 */ +#if 0 +//@@@0x00ff, 0x0032, OP_EQ, 0, S1_CLNP2, 0, S1_AH6, IM_CTL, 0x021, 1, 0x0, 0xffff, +#endif + 0xff00, 0x3200, OP_EQ, 0, S1_CLNP2, 0, S1_AH6, IM_CTL, + 0x021, 1, 0x0, 0xffff}, + { "IPV6 AH encrypted?", /* S1_AH6 */ +#if 0 +//@@@0x00ff, 0x0033, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP, IM_CTL, 0x021, 1, 0x0, 0xffff, +#endif + 0xff00, 0x3300, OP_EQ, 0, S1_CLNP2, 0, S1_CLNP, IM_CTL, + 0x021, 1, 0x0, 0xffff}, + { NULL }, +}; +#ifdef HP_ENCRYPT_DEFAULT +#define CAS_HP_FIRMWARE cas_prog_encryptiontab +#endif +#endif + +static cas_hp_inst_t cas_prog_null[] = { {NULL} }; +#ifdef HP_NULL_DEFAULT +#define CAS_HP_FIRMWARE cas_prog_null +#endif + +/* firmware patch for NS_DP83065 */ +typedef struct cas_saturn_patch { + u16 addr; + u16 val; +} cas_saturn_patch_t; + +#if 1 +cas_saturn_patch_t cas_saturn_patch[] = { +{0x8200, 0x007e}, {0x8201, 0x0082}, {0x8202, 0x0009}, +{0x8203, 0x0000}, {0x8204, 0x0000}, {0x8205, 0x0000}, +{0x8206, 0x0000}, {0x8207, 0x0000}, {0x8208, 0x0000}, +{0x8209, 0x008e}, {0x820a, 0x008e}, {0x820b, 0x00ff}, +{0x820c, 0x00ce}, {0x820d, 0x0082}, {0x820e, 0x0025}, +{0x820f, 0x00ff}, {0x8210, 0x0001}, {0x8211, 0x000f}, +{0x8212, 0x00ce}, {0x8213, 0x0084}, {0x8214, 0x0026}, +{0x8215, 0x00ff}, {0x8216, 0x0001}, {0x8217, 0x0011}, +{0x8218, 0x00ce}, {0x8219, 0x0085}, {0x821a, 0x003d}, +{0x821b, 0x00df}, {0x821c, 0x00e5}, {0x821d, 0x0086}, +{0x821e, 0x0039}, {0x821f, 0x00b7}, {0x8220, 0x008f}, +{0x8221, 0x00f8}, {0x8222, 0x007e}, {0x8223, 0x00c3}, +{0x8224, 0x00c2}, {0x8225, 0x0096}, {0x8226, 0x0047}, +{0x8227, 0x0084}, {0x8228, 0x00f3}, {0x8229, 0x008a}, +{0x822a, 0x0000}, {0x822b, 0x0097}, {0x822c, 0x0047}, +{0x822d, 0x00ce}, {0x822e, 0x0082}, {0x822f, 0x0033}, +{0x8230, 0x00ff}, {0x8231, 0x0001}, {0x8232, 0x000f}, +{0x8233, 0x0096}, {0x8234, 0x0046}, {0x8235, 0x0084}, +{0x8236, 0x000c}, {0x8237, 0x0081}, {0x8238, 0x0004}, +{0x8239, 0x0027}, {0x823a, 0x000b}, {0x823b, 0x0096}, +{0x823c, 0x0046}, {0x823d, 0x0084}, {0x823e, 0x000c}, +{0x823f, 0x0081}, {0x8240, 0x0008}, {0x8241, 0x0027}, +{0x8242, 0x0057}, {0x8243, 0x007e}, {0x8244, 0x0084}, +{0x8245, 0x0025}, {0x8246, 0x0096}, {0x8247, 0x0047}, +{0x8248, 0x0084}, {0x8249, 0x00f3}, {0x824a, 0x008a}, +{0x824b, 0x0004}, {0x824c, 0x0097}, {0x824d, 0x0047}, +{0x824e, 0x00ce}, {0x824f, 0x0082}, {0x8250, 0x0054}, +{0x8251, 0x00ff}, {0x8252, 0x0001}, {0x8253, 0x000f}, +{0x8254, 0x0096}, {0x8255, 0x0046}, {0x8256, 0x0084}, +{0x8257, 0x000c}, {0x8258, 0x0081}, {0x8259, 0x0004}, +{0x825a, 0x0026}, {0x825b, 0x0038}, {0x825c, 0x00b6}, +{0x825d, 0x0012}, {0x825e, 0x0020}, {0x825f, 0x0084}, +{0x8260, 0x0020}, {0x8261, 0x0026}, {0x8262, 0x0003}, +{0x8263, 0x007e}, {0x8264, 0x0084}, {0x8265, 0x0025}, +{0x8266, 0x0096}, {0x8267, 0x007b}, {0x8268, 0x00d6}, +{0x8269, 0x007c}, {0x826a, 0x00fe}, {0x826b, 0x008f}, +{0x826c, 0x0056}, {0x826d, 0x00bd}, {0x826e, 0x00f7}, +{0x826f, 0x00b6}, {0x8270, 0x00fe}, {0x8271, 0x008f}, +{0x8272, 0x004e}, {0x8273, 0x00bd}, {0x8274, 0x00ec}, +{0x8275, 0x008e}, {0x8276, 0x00bd}, {0x8277, 0x00fa}, +{0x8278, 0x00f7}, {0x8279, 0x00bd}, {0x827a, 0x00f7}, +{0x827b, 0x0028}, {0x827c, 0x00ce}, {0x827d, 0x0082}, +{0x827e, 0x0082}, {0x827f, 0x00ff}, {0x8280, 0x0001}, +{0x8281, 0x000f}, {0x8282, 0x0096}, {0x8283, 0x0046}, +{0x8284, 0x0084}, {0x8285, 0x000c}, {0x8286, 0x0081}, +{0x8287, 0x0004}, {0x8288, 0x0026}, {0x8289, 0x000a}, +{0x828a, 0x00b6}, {0x828b, 0x0012}, {0x828c, 0x0020}, +{0x828d, 0x0084}, {0x828e, 0x0020}, {0x828f, 0x0027}, +{0x8290, 0x00b5}, {0x8291, 0x007e}, {0x8292, 0x0084}, +{0x8293, 0x0025}, {0x8294, 0x00bd}, {0x8295, 0x00f7}, +{0x8296, 0x001f}, {0x8297, 0x007e}, {0x8298, 0x0084}, +{0x8299, 0x001f}, {0x829a, 0x0096}, {0x829b, 0x0047}, +{0x829c, 0x0084}, {0x829d, 0x00f3}, {0x829e, 0x008a}, +{0x829f, 0x0008}, {0x82a0, 0x0097}, {0x82a1, 0x0047}, +{0x82a2, 0x00de}, {0x82a3, 0x00e1}, {0x82a4, 0x00ad}, +{0x82a5, 0x0000}, {0x82a6, 0x00ce}, {0x82a7, 0x0082}, +{0x82a8, 0x00af}, {0x82a9, 0x00ff}, {0x82aa, 0x0001}, +{0x82ab, 0x000f}, {0x82ac, 0x007e}, {0x82ad, 0x0084}, +{0x82ae, 0x0025}, {0x82af, 0x0096}, {0x82b0, 0x0041}, +{0x82b1, 0x0085}, {0x82b2, 0x0010}, {0x82b3, 0x0026}, +{0x82b4, 0x0006}, {0x82b5, 0x0096}, {0x82b6, 0x0023}, +{0x82b7, 0x0085}, {0x82b8, 0x0040}, {0x82b9, 0x0027}, +{0x82ba, 0x0006}, {0x82bb, 0x00bd}, {0x82bc, 0x00ed}, +{0x82bd, 0x0000}, {0x82be, 0x007e}, {0x82bf, 0x0083}, +{0x82c0, 0x00a2}, {0x82c1, 0x00de}, {0x82c2, 0x0042}, +{0x82c3, 0x00bd}, {0x82c4, 0x00eb}, {0x82c5, 0x008e}, +{0x82c6, 0x0096}, {0x82c7, 0x0024}, {0x82c8, 0x0084}, +{0x82c9, 0x0008}, {0x82ca, 0x0027}, {0x82cb, 0x0003}, +{0x82cc, 0x007e}, {0x82cd, 0x0083}, {0x82ce, 0x00df}, +{0x82cf, 0x0096}, {0x82d0, 0x007b}, {0x82d1, 0x00d6}, +{0x82d2, 0x007c}, {0x82d3, 0x00fe}, {0x82d4, 0x008f}, +{0x82d5, 0x0056}, {0x82d6, 0x00bd}, {0x82d7, 0x00f7}, +{0x82d8, 0x00b6}, {0x82d9, 0x00fe}, {0x82da, 0x008f}, +{0x82db, 0x0050}, {0x82dc, 0x00bd}, {0x82dd, 0x00ec}, +{0x82de, 0x008e}, {0x82df, 0x00bd}, {0x82e0, 0x00fa}, +{0x82e1, 0x00f7}, {0x82e2, 0x0086}, {0x82e3, 0x0011}, +{0x82e4, 0x00c6}, {0x82e5, 0x0049}, {0x82e6, 0x00bd}, +{0x82e7, 0x00e4}, {0x82e8, 0x0012}, {0x82e9, 0x00ce}, +{0x82ea, 0x0082}, {0x82eb, 0x00ef}, {0x82ec, 0x00ff}, +{0x82ed, 0x0001}, {0x82ee, 0x000f}, {0x82ef, 0x0096}, +{0x82f0, 0x0046}, {0x82f1, 0x0084}, {0x82f2, 0x000c}, +{0x82f3, 0x0081}, {0x82f4, 0x0000}, {0x82f5, 0x0027}, +{0x82f6, 0x0017}, {0x82f7, 0x00c6}, {0x82f8, 0x0049}, +{0x82f9, 0x00bd}, {0x82fa, 0x00e4}, {0x82fb, 0x0091}, +{0x82fc, 0x0024}, {0x82fd, 0x000d}, {0x82fe, 0x00b6}, +{0x82ff, 0x0012}, {0x8300, 0x0020}, {0x8301, 0x0085}, +{0x8302, 0x0020}, {0x8303, 0x0026}, {0x8304, 0x000c}, +{0x8305, 0x00ce}, {0x8306, 0x0082}, {0x8307, 0x00c1}, +{0x8308, 0x00ff}, {0x8309, 0x0001}, {0x830a, 0x000f}, +{0x830b, 0x007e}, {0x830c, 0x0084}, {0x830d, 0x0025}, +{0x830e, 0x007e}, {0x830f, 0x0084}, {0x8310, 0x0016}, +{0x8311, 0x00fe}, {0x8312, 0x008f}, {0x8313, 0x0052}, +{0x8314, 0x00bd}, {0x8315, 0x00ec}, {0x8316, 0x008e}, +{0x8317, 0x00bd}, {0x8318, 0x00fa}, {0x8319, 0x00f7}, +{0x831a, 0x0086}, {0x831b, 0x006a}, {0x831c, 0x00c6}, +{0x831d, 0x0049}, {0x831e, 0x00bd}, {0x831f, 0x00e4}, +{0x8320, 0x0012}, {0x8321, 0x00ce}, {0x8322, 0x0083}, +{0x8323, 0x0027}, {0x8324, 0x00ff}, {0x8325, 0x0001}, +{0x8326, 0x000f}, {0x8327, 0x0096}, {0x8328, 0x0046}, +{0x8329, 0x0084}, {0x832a, 0x000c}, {0x832b, 0x0081}, +{0x832c, 0x0000}, {0x832d, 0x0027}, {0x832e, 0x000a}, +{0x832f, 0x00c6}, {0x8330, 0x0049}, {0x8331, 0x00bd}, 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{0x8a6f, 0x00b6}, +{0x8a70, 0x008f}, {0x8a71, 0x0070}, {0x8a72, 0x0085}, +{0x8a73, 0x0010}, {0x8a74, 0x0027}, {0x8a75, 0x00af}, +{0x8a76, 0x00d6}, {0x8a77, 0x0022}, {0x8a78, 0x00c4}, +{0x8a79, 0x0010}, {0x8a7a, 0x0058}, {0x8a7b, 0x00b6}, +{0x8a7c, 0x0012}, {0x8a7d, 0x0070}, {0x8a7e, 0x0081}, +{0x8a7f, 0x00e4}, {0x8a80, 0x0027}, {0x8a81, 0x0036}, +{0x8a82, 0x0081}, {0x8a83, 0x00e1}, {0x8a84, 0x0026}, +{0x8a85, 0x000c}, {0x8a86, 0x0096}, {0x8a87, 0x0022}, +{0x8a88, 0x0084}, {0x8a89, 0x0020}, {0x8a8a, 0x0044}, +{0x8a8b, 0x001b}, {0x8a8c, 0x00d6}, {0x8a8d, 0x0022}, +{0x8a8e, 0x00c4}, {0x8a8f, 0x00cf}, {0x8a90, 0x0020}, +{0x8a91, 0x0023}, {0x8a92, 0x0058}, {0x8a93, 0x0081}, +{0x8a94, 0x00c6}, {0x8a95, 0x0026}, {0x8a96, 0x000d}, +{0x8a97, 0x0096}, {0x8a98, 0x0022}, {0x8a99, 0x0084}, +{0x8a9a, 0x0040}, {0x8a9b, 0x0044}, {0x8a9c, 0x0044}, +{0x8a9d, 0x001b}, {0x8a9e, 0x00d6}, {0x8a9f, 0x0022}, +{0x8aa0, 0x00c4}, {0x8aa1, 0x00af}, {0x8aa2, 0x0020}, +{0x8aa3, 0x0011}, {0x8aa4, 0x0058}, {0x8aa5, 0x0081}, +{0x8aa6, 0x0027}, {0x8aa7, 0x0026}, {0x8aa8, 0x000f}, +{0x8aa9, 0x0096}, {0x8aaa, 0x0022}, {0x8aab, 0x0084}, +{0x8aac, 0x0080}, {0x8aad, 0x0044}, {0x8aae, 0x0044}, +{0x8aaf, 0x0044}, {0x8ab0, 0x001b}, {0x8ab1, 0x00d6}, +{0x8ab2, 0x0022}, {0x8ab3, 0x00c4}, {0x8ab4, 0x006f}, +{0x8ab5, 0x001b}, {0x8ab6, 0x0097}, {0x8ab7, 0x0022}, +{0x8ab8, 0x0039}, {0x8ab9, 0x0027}, {0x8aba, 0x000c}, +{0x8abb, 0x007c}, {0x8abc, 0x0082}, {0x8abd, 0x0006}, +{0x8abe, 0x00bd}, {0x8abf, 0x00d9}, {0x8ac0, 0x00ed}, +{0x8ac1, 0x00b6}, {0x8ac2, 0x0082}, {0x8ac3, 0x0007}, +{0x8ac4, 0x007e}, {0x8ac5, 0x008a}, {0x8ac6, 0x00b9}, +{0x8ac7, 0x007f}, {0x8ac8, 0x0082}, {0x8ac9, 0x0006}, +{0x8aca, 0x0039}, { 0x0, 0x0 } +}; +#else +cas_saturn_patch_t cas_saturn_patch[] = { +{0x8200, 0x007e}, {0x8201, 0x0082}, {0x8202, 0x0009}, +{0x8203, 0x0000}, {0x8204, 0x0000}, {0x8205, 0x0000}, +{0x8206, 0x0000}, {0x8207, 0x0000}, {0x8208, 0x0000}, +{0x8209, 0x008e}, {0x820a, 0x008e}, {0x820b, 0x00ff}, +{0x820c, 0x00ce}, 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0x007e}, {0x8244, 0x0084}, +{0x8245, 0x0025}, {0x8246, 0x0096}, {0x8247, 0x0047}, +{0x8248, 0x0084}, {0x8249, 0x00f3}, {0x824a, 0x008a}, +{0x824b, 0x0004}, {0x824c, 0x0097}, {0x824d, 0x0047}, +{0x824e, 0x00ce}, {0x824f, 0x0082}, {0x8250, 0x0054}, +{0x8251, 0x00ff}, {0x8252, 0x0001}, {0x8253, 0x000f}, +{0x8254, 0x0096}, {0x8255, 0x0046}, {0x8256, 0x0084}, +{0x8257, 0x000c}, {0x8258, 0x0081}, {0x8259, 0x0004}, +{0x825a, 0x0026}, {0x825b, 0x0038}, {0x825c, 0x00b6}, +{0x825d, 0x0012}, {0x825e, 0x0020}, {0x825f, 0x0084}, +{0x8260, 0x0020}, {0x8261, 0x0026}, {0x8262, 0x0003}, +{0x8263, 0x007e}, {0x8264, 0x0084}, {0x8265, 0x0025}, +{0x8266, 0x0096}, {0x8267, 0x007b}, {0x8268, 0x00d6}, +{0x8269, 0x007c}, {0x826a, 0x00fe}, {0x826b, 0x008f}, +{0x826c, 0x0056}, {0x826d, 0x00bd}, {0x826e, 0x00f7}, +{0x826f, 0x00b6}, {0x8270, 0x00fe}, {0x8271, 0x008f}, +{0x8272, 0x004e}, {0x8273, 0x00bd}, {0x8274, 0x00ec}, +{0x8275, 0x008e}, {0x8276, 0x00bd}, {0x8277, 0x00fa}, +{0x8278, 0x00f7}, {0x8279, 0x00bd}, {0x827a, 0x00f7}, +{0x827b, 0x0028}, {0x827c, 0x00ce}, {0x827d, 0x0082}, +{0x827e, 0x0082}, {0x827f, 0x00ff}, {0x8280, 0x0001}, +{0x8281, 0x000f}, {0x8282, 0x0096}, {0x8283, 0x0046}, +{0x8284, 0x0084}, {0x8285, 0x000c}, {0x8286, 0x0081}, +{0x8287, 0x0004}, {0x8288, 0x0026}, {0x8289, 0x000a}, +{0x828a, 0x00b6}, {0x828b, 0x0012}, {0x828c, 0x0020}, +{0x828d, 0x0084}, {0x828e, 0x0020}, {0x828f, 0x0027}, +{0x8290, 0x00b5}, {0x8291, 0x007e}, {0x8292, 0x0084}, +{0x8293, 0x0025}, {0x8294, 0x00bd}, {0x8295, 0x00f7}, +{0x8296, 0x001f}, {0x8297, 0x007e}, {0x8298, 0x0084}, +{0x8299, 0x001f}, {0x829a, 0x0096}, {0x829b, 0x0047}, +{0x829c, 0x0084}, {0x829d, 0x00f3}, {0x829e, 0x008a}, +{0x829f, 0x0008}, {0x82a0, 0x0097}, {0x82a1, 0x0047}, +{0x82a2, 0x00de}, {0x82a3, 0x00e1}, {0x82a4, 0x00ad}, +{0x82a5, 0x0000}, {0x82a6, 0x00ce}, {0x82a7, 0x0082}, +{0x82a8, 0x00af}, {0x82a9, 0x00ff}, {0x82aa, 0x0001}, +{0x82ab, 0x000f}, {0x82ac, 0x007e}, {0x82ad, 0x0084}, +{0x82ae, 0x0025}, {0x82af, 0x0096}, {0x82b0, 0x0041}, +{0x82b1, 0x0085}, {0x82b2, 0x0010}, {0x82b3, 0x0026}, +{0x82b4, 0x0006}, {0x82b5, 0x0096}, {0x82b6, 0x0023}, +{0x82b7, 0x0085}, {0x82b8, 0x0040}, {0x82b9, 0x0027}, +{0x82ba, 0x0006}, {0x82bb, 0x00bd}, {0x82bc, 0x00ed}, +{0x82bd, 0x0000}, {0x82be, 0x007e}, {0x82bf, 0x0083}, +{0x82c0, 0x00a2}, {0x82c1, 0x00de}, {0x82c2, 0x0042}, +{0x82c3, 0x00bd}, {0x82c4, 0x00eb}, {0x82c5, 0x008e}, +{0x82c6, 0x0096}, {0x82c7, 0x0024}, {0x82c8, 0x0084}, +{0x82c9, 0x0008}, {0x82ca, 0x0027}, {0x82cb, 0x0003}, +{0x82cc, 0x007e}, {0x82cd, 0x0083}, {0x82ce, 0x00df}, +{0x82cf, 0x0096}, {0x82d0, 0x007b}, {0x82d1, 0x00d6}, +{0x82d2, 0x007c}, {0x82d3, 0x00fe}, {0x82d4, 0x008f}, +{0x82d5, 0x0056}, {0x82d6, 0x00bd}, {0x82d7, 0x00f7}, +{0x82d8, 0x00b6}, {0x82d9, 0x00fe}, {0x82da, 0x008f}, +{0x82db, 0x0050}, {0x82dc, 0x00bd}, {0x82dd, 0x00ec}, +{0x82de, 0x008e}, {0x82df, 0x00bd}, {0x82e0, 0x00fa}, +{0x82e1, 0x00f7}, {0x82e2, 0x0086}, {0x82e3, 0x0011}, +{0x82e4, 0x00c6}, {0x82e5, 0x0049}, {0x82e6, 0x00bd}, +{0x82e7, 0x00e4}, {0x82e8, 0x0012}, {0x82e9, 0x00ce}, +{0x82ea, 0x0082}, {0x82eb, 0x00ef}, {0x82ec, 0x00ff}, +{0x82ed, 0x0001}, {0x82ee, 0x000f}, {0x82ef, 0x0096}, +{0x82f0, 0x0046}, {0x82f1, 0x0084}, {0x82f2, 0x000c}, +{0x82f3, 0x0081}, {0x82f4, 0x0000}, {0x82f5, 0x0027}, +{0x82f6, 0x0017}, {0x82f7, 0x00c6}, {0x82f8, 0x0049}, +{0x82f9, 0x00bd}, {0x82fa, 0x00e4}, {0x82fb, 0x0091}, +{0x82fc, 0x0024}, {0x82fd, 0x000d}, {0x82fe, 0x00b6}, +{0x82ff, 0x0012}, {0x8300, 0x0020}, {0x8301, 0x0085}, +{0x8302, 0x0020}, {0x8303, 0x0026}, {0x8304, 0x000c}, +{0x8305, 0x00ce}, {0x8306, 0x0082}, {0x8307, 0x00c1}, +{0x8308, 0x00ff}, {0x8309, 0x0001}, {0x830a, 0x000f}, +{0x830b, 0x007e}, {0x830c, 0x0084}, {0x830d, 0x0025}, +{0x830e, 0x007e}, {0x830f, 0x0084}, {0x8310, 0x0016}, +{0x8311, 0x00fe}, {0x8312, 0x008f}, {0x8313, 0x0052}, +{0x8314, 0x00bd}, {0x8315, 0x00ec}, {0x8316, 0x008e}, +{0x8317, 0x00bd}, {0x8318, 0x00fa}, {0x8319, 0x00f7}, +{0x831a, 0x0086}, {0x831b, 0x006a}, {0x831c, 0x00c6}, +{0x831d, 0x0049}, {0x831e, 0x00bd}, {0x831f, 0x00e4}, +{0x8320, 0x0012}, {0x8321, 0x00ce}, {0x8322, 0x0083}, +{0x8323, 0x0027}, {0x8324, 0x00ff}, {0x8325, 0x0001}, +{0x8326, 0x000f}, {0x8327, 0x0096}, {0x8328, 0x0046}, +{0x8329, 0x0084}, {0x832a, 0x000c}, {0x832b, 0x0081}, +{0x832c, 0x0000}, {0x832d, 0x0027}, {0x832e, 0x000a}, +{0x832f, 0x00c6}, {0x8330, 0x0049}, {0x8331, 0x00bd}, +{0x8332, 0x00e4}, {0x8333, 0x0091}, {0x8334, 0x0025}, +{0x8335, 0x0006}, {0x8336, 0x007e}, {0x8337, 0x0084}, +{0x8338, 0x0025}, {0x8339, 0x007e}, {0x833a, 0x0084}, +{0x833b, 0x0016}, {0x833c, 0x00b6}, {0x833d, 0x0018}, +{0x833e, 0x0070}, {0x833f, 0x00bb}, {0x8340, 0x0019}, +{0x8341, 0x0070}, {0x8342, 0x002a}, {0x8343, 0x0004}, +{0x8344, 0x0081}, {0x8345, 0x00af}, {0x8346, 0x002e}, +{0x8347, 0x0019}, {0x8348, 0x0096}, {0x8349, 0x007b}, +{0x834a, 0x00f6}, {0x834b, 0x0020}, {0x834c, 0x0007}, +{0x834d, 0x00fa}, {0x834e, 0x0020}, {0x834f, 0x0027}, +{0x8350, 0x00c4}, {0x8351, 0x0038}, {0x8352, 0x0081}, +{0x8353, 0x0038}, 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+{0x8a91, 0x0023}, {0x8a92, 0x0058}, {0x8a93, 0x0081}, +{0x8a94, 0x00c6}, {0x8a95, 0x0026}, {0x8a96, 0x000d}, +{0x8a97, 0x0096}, {0x8a98, 0x0022}, {0x8a99, 0x0084}, +{0x8a9a, 0x0040}, {0x8a9b, 0x0044}, {0x8a9c, 0x0044}, +{0x8a9d, 0x001b}, {0x8a9e, 0x00d6}, {0x8a9f, 0x0022}, +{0x8aa0, 0x00c4}, {0x8aa1, 0x00af}, {0x8aa2, 0x0020}, +{0x8aa3, 0x0011}, {0x8aa4, 0x0058}, {0x8aa5, 0x0081}, +{0x8aa6, 0x0027}, {0x8aa7, 0x0026}, {0x8aa8, 0x000f}, +{0x8aa9, 0x0096}, {0x8aaa, 0x0022}, {0x8aab, 0x0084}, +{0x8aac, 0x0080}, {0x8aad, 0x0044}, {0x8aae, 0x0044}, +{0x8aaf, 0x0044}, {0x8ab0, 0x001b}, {0x8ab1, 0x00d6}, +{0x8ab2, 0x0022}, {0x8ab3, 0x00c4}, {0x8ab4, 0x006f}, +{0x8ab5, 0x001b}, {0x8ab6, 0x0097}, {0x8ab7, 0x0022}, +{0x8ab8, 0x0039}, {0x8ab9, 0x0027}, {0x8aba, 0x000c}, +{0x8abb, 0x007c}, {0x8abc, 0x0082}, {0x8abd, 0x0006}, +{0x8abe, 0x00bd}, {0x8abf, 0x00d9}, {0x8ac0, 0x00ed}, +{0x8ac1, 0x00b6}, {0x8ac2, 0x0082}, {0x8ac3, 0x0007}, +{0x8ac4, 0x007e}, {0x8ac5, 0x008a}, {0x8ac6, 0x00b9}, +{0x8ac7, 0x007f}, {0x8ac8, 0x0082}, {0x8ac9, 0x0006}, +{0x8aca, 0x0039}, { 0x0, 0x0 } +}; +#endif + + +/* phy types */ +#define CAS_PHY_UNKNOWN 0x00 +#define CAS_PHY_SERDES 0x01 +#define CAS_PHY_MII_MDIO0 0x02 +#define CAS_PHY_MII_MDIO1 0x04 +#define CAS_PHY_MII(x) ((x) & (CAS_PHY_MII_MDIO0 | CAS_PHY_MII_MDIO1)) + +/* _RING_INDEX is the index for the ring sizes to be used. _RING_SIZE + * is the actual size. the default index for the various rings is + * 8. NOTE: there a bunch of alignment constraints for the rings. to + * deal with that, i just allocate rings to create the desired + * alignment. here are the constraints: + * RX DESC and COMP rings must be 8KB aligned + * TX DESC must be 2KB aligned. + * if you change the numbers, be cognizant of how the alignment will change + * in INIT_BLOCK as well. + */ + +#define DESC_RING_I_TO_S(x) (32*(1 << (x))) +#define COMP_RING_I_TO_S(x) (128*(1 << (x))) +#define TX_DESC_RING_INDEX 4 /* 512 = 8k */ +#define RX_DESC_RING_INDEX 4 /* 512 = 8k */ +#define RX_COMP_RING_INDEX 4 /* 2048 = 64k: should be 4x rx ring size */ + +#if (TX_DESC_RING_INDEX > 8) || (TX_DESC_RING_INDEX < 0) +#error TX_DESC_RING_INDEX must be between 0 and 8 +#endif + +#if (RX_DESC_RING_INDEX > 8) || (RX_DESC_RING_INDEX < 0) +#error RX_DESC_RING_INDEX must be between 0 and 8 +#endif + +#if (RX_COMP_RING_INDEX > 8) || (RX_COMP_RING_INDEX < 0) +#error RX_COMP_RING_INDEX must be between 0 and 8 +#endif + +#define N_TX_RINGS MAX_TX_RINGS /* for QoS */ +#define N_TX_RINGS_MASK MAX_TX_RINGS_MASK +#define N_RX_DESC_RINGS MAX_RX_DESC_RINGS /* 1 for ipsec */ +#define N_RX_COMP_RINGS 0x1 /* for mult. PCI interrupts */ + +/* number of flows that can go through re-assembly */ +#define N_RX_FLOWS 64 + +#define TX_DESC_RING_SIZE DESC_RING_I_TO_S(TX_DESC_RING_INDEX) +#define RX_DESC_RING_SIZE DESC_RING_I_TO_S(RX_DESC_RING_INDEX) +#define RX_COMP_RING_SIZE COMP_RING_I_TO_S(RX_COMP_RING_INDEX) +#define TX_DESC_RINGN_INDEX(x) TX_DESC_RING_INDEX +#define RX_DESC_RINGN_INDEX(x) RX_DESC_RING_INDEX +#define RX_COMP_RINGN_INDEX(x) RX_COMP_RING_INDEX +#define TX_DESC_RINGN_SIZE(x) TX_DESC_RING_SIZE +#define RX_DESC_RINGN_SIZE(x) RX_DESC_RING_SIZE +#define RX_COMP_RINGN_SIZE(x) RX_COMP_RING_SIZE + +/* convert values */ +#define CAS_BASE(x, y) (((y) << (x ## _SHIFT)) & (x ## _MASK)) +#define CAS_VAL(x, y) (((y) & (x ## _MASK)) >> (x ## _SHIFT)) +#define CAS_TX_RINGN_BASE(y) ((TX_DESC_RINGN_INDEX(y) << \ + TX_CFG_DESC_RINGN_SHIFT(y)) & \ + TX_CFG_DESC_RINGN_MASK(y)) + +/* min is 2k, but we can't do jumbo frames unless it's at least 8k */ +#define CAS_MIN_PAGE_SHIFT 11 /* 2048 */ +#define CAS_JUMBO_PAGE_SHIFT 13 /* 8192 */ +#define CAS_MAX_PAGE_SHIFT 14 /* 16384 */ + +#define TX_DESC_BUFLEN_MASK 0x0000000000003FFFULL /* buffer length in + bytes. 0 - 9256 */ +#define TX_DESC_BUFLEN_SHIFT 0 +#define TX_DESC_CSUM_START_MASK 0x00000000001F8000ULL /* checksum start. # + of bytes to be + skipped before + csum calc begins. + value must be + even */ +#define TX_DESC_CSUM_START_SHIFT 15 +#define TX_DESC_CSUM_STUFF_MASK 0x000000001FE00000ULL /* checksum stuff. + byte offset w/in + the pkt for the + 1st csum byte. + must be > 8 */ +#define TX_DESC_CSUM_STUFF_SHIFT 21 +#define TX_DESC_CSUM_EN 0x0000000020000000ULL /* enable checksum */ +#define TX_DESC_EOF 0x0000000040000000ULL /* end of frame */ +#define TX_DESC_SOF 0x0000000080000000ULL /* start of frame */ +#define TX_DESC_INTME 0x0000000100000000ULL /* interrupt me */ +#define TX_DESC_NO_CRC 0x0000000200000000ULL /* debugging only. + CRC will not be + inserted into + outgoing frame. */ +struct cas_tx_desc { + u64 control; + u64 buffer; +}; + +/* descriptor ring for free buffers contains page-sized buffers. the index + * value is not used by the hw in any way. it's just stored and returned in + * the completion ring. + */ +struct cas_rx_desc { + u64 index; + u64 buffer; +}; + +/* received packets are put on the completion ring. */ +/* word 1 */ +#define RX_COMP1_DATA_SIZE_MASK 0x0000000007FFE000ULL +#define RX_COMP1_DATA_SIZE_SHIFT 13 +#define RX_COMP1_DATA_OFF_MASK 0x000001FFF8000000ULL +#define RX_COMP1_DATA_OFF_SHIFT 27 +#define RX_COMP1_DATA_INDEX_MASK 0x007FFE0000000000ULL +#define RX_COMP1_DATA_INDEX_SHIFT 41 +#define RX_COMP1_SKIP_MASK 0x0180000000000000ULL +#define RX_COMP1_SKIP_SHIFT 55 +#define RX_COMP1_RELEASE_NEXT 0x0200000000000000ULL +#define RX_COMP1_SPLIT_PKT 0x0400000000000000ULL +#define RX_COMP1_RELEASE_FLOW 0x0800000000000000ULL +#define RX_COMP1_RELEASE_DATA 0x1000000000000000ULL +#define RX_COMP1_RELEASE_HDR 0x2000000000000000ULL +#define RX_COMP1_TYPE_MASK 0xC000000000000000ULL +#define RX_COMP1_TYPE_SHIFT 62 + +/* word 2 */ +#define RX_COMP2_NEXT_INDEX_MASK 0x00000007FFE00000ULL +#define RX_COMP2_NEXT_INDEX_SHIFT 21 +#define RX_COMP2_HDR_SIZE_MASK 0x00000FF800000000ULL +#define RX_COMP2_HDR_SIZE_SHIFT 35 +#define RX_COMP2_HDR_OFF_MASK 0x0003F00000000000ULL +#define RX_COMP2_HDR_OFF_SHIFT 44 +#define RX_COMP2_HDR_INDEX_MASK 0xFFFC000000000000ULL +#define RX_COMP2_HDR_INDEX_SHIFT 50 + +/* word 3 */ +#define RX_COMP3_SMALL_PKT 0x0000000000000001ULL +#define RX_COMP3_JUMBO_PKT 0x0000000000000002ULL +#define RX_COMP3_JUMBO_HDR_SPLIT_EN 0x0000000000000004ULL +#define RX_COMP3_CSUM_START_MASK 0x000000000007F000ULL +#define RX_COMP3_CSUM_START_SHIFT 12 +#define RX_COMP3_FLOWID_MASK 0x0000000001F80000ULL +#define RX_COMP3_FLOWID_SHIFT 19 +#define RX_COMP3_OPCODE_MASK 0x000000000E000000ULL +#define RX_COMP3_OPCODE_SHIFT 25 +#define RX_COMP3_FORCE_FLAG 0x0000000010000000ULL +#define RX_COMP3_NO_ASSIST 0x0000000020000000ULL +#define RX_COMP3_LOAD_BAL_MASK 0x000001F800000000ULL +#define RX_COMP3_LOAD_BAL_SHIFT 35 +#define RX_PLUS_COMP3_ENC_PKT 0x0000020000000000ULL /* cas+ */ +#define RX_COMP3_L3_HEAD_OFF_MASK 0x0000FE0000000000ULL /* cas */ +#define RX_COMP3_L3_HEAD_OFF_SHIFT 41 +#define RX_PLUS_COMP_L3_HEAD_OFF_MASK 0x0000FC0000000000ULL /* cas+ */ +#define RX_PLUS_COMP_L3_HEAD_OFF_SHIFT 42 +#define RX_COMP3_SAP_MASK 0xFFFF000000000000ULL +#define RX_COMP3_SAP_SHIFT 48 + +/* word 4 */ +#define RX_COMP4_TCP_CSUM_MASK 0x000000000000FFFFULL +#define RX_COMP4_TCP_CSUM_SHIFT 0 +#define RX_COMP4_PKT_LEN_MASK 0x000000003FFF0000ULL +#define RX_COMP4_PKT_LEN_SHIFT 16 +#define RX_COMP4_PERFECT_MATCH_MASK 0x00000003C0000000ULL +#define RX_COMP4_PERFECT_MATCH_SHIFT 30 +#define RX_COMP4_ZERO 0x0000080000000000ULL +#define RX_COMP4_HASH_VAL_MASK 0x0FFFF00000000000ULL +#define RX_COMP4_HASH_VAL_SHIFT 44 +#define RX_COMP4_HASH_PASS 0x1000000000000000ULL +#define RX_COMP4_BAD 0x4000000000000000ULL +#define RX_COMP4_LEN_MISMATCH 0x8000000000000000ULL + +/* we encode the following: ring/index/release. only 14 bits + * are usable. + * NOTE: the encoding is dependent upon RX_DESC_RING_SIZE and + * MAX_RX_DESC_RINGS. */ +#define RX_INDEX_NUM_MASK 0x0000000000000FFFULL +#define RX_INDEX_NUM_SHIFT 0 +#define RX_INDEX_RING_MASK 0x0000000000001000ULL +#define RX_INDEX_RING_SHIFT 12 +#define RX_INDEX_RELEASE 0x0000000000002000ULL + +struct cas_rx_comp { + u64 word1; + u64 word2; + u64 word3; + u64 word4; +}; + +enum link_state { + link_down = 0, /* No link, will retry */ + link_aneg, /* Autoneg in progress */ + link_force_try, /* Try Forced link speed */ + link_force_ret, /* Forced mode worked, retrying autoneg */ + link_force_ok, /* Stay in forced mode */ + link_up /* Link is up */ +}; + +typedef struct cas_page { + struct list_head list; + struct page *buffer; + dma_addr_t dma_addr; + int used; +} cas_page_t; + + +/* some alignment constraints: + * TX DESC, RX DESC, and RX COMP must each be 8K aligned. + * TX COMPWB must be 8-byte aligned. + * to accomplish this, here's what we do: + * + * INIT_BLOCK_RX_COMP = 64k (already aligned) + * INIT_BLOCK_RX_DESC = 8k + * INIT_BLOCK_TX = 8k + * INIT_BLOCK_RX1_DESC = 8k + * TX COMPWB + */ +#define INIT_BLOCK_TX (TX_DESC_RING_SIZE) +#define INIT_BLOCK_RX_DESC (RX_DESC_RING_SIZE) +#define INIT_BLOCK_RX_COMP (RX_COMP_RING_SIZE) + +struct cas_init_block { + struct cas_rx_comp rxcs[N_RX_COMP_RINGS][INIT_BLOCK_RX_COMP]; + struct cas_rx_desc rxds[N_RX_DESC_RINGS][INIT_BLOCK_RX_DESC]; + struct cas_tx_desc txds[N_TX_RINGS][INIT_BLOCK_TX]; + u64 tx_compwb; +}; + +/* tiny buffers to deal with target abort issue. we allocate a bit + * over so that we don't have target abort issues with these buffers + * as well. + */ +#define TX_TINY_BUF_LEN 0x100 +#define TX_TINY_BUF_BLOCK ((INIT_BLOCK_TX + 1)*TX_TINY_BUF_LEN) + +struct cas_tiny_count { + int nbufs; + int used; +}; + +struct cas { + spinlock_t lock; /* for most bits */ + spinlock_t tx_lock[N_TX_RINGS]; /* tx bits */ + spinlock_t stat_lock[N_TX_RINGS + 1]; /* for stat gathering */ + spinlock_t rx_inuse_lock; /* rx inuse list */ + spinlock_t rx_spare_lock; /* rx spare list */ + + void __iomem *regs; + int tx_new[N_TX_RINGS], tx_old[N_TX_RINGS]; + int rx_old[N_RX_DESC_RINGS]; + int rx_cur[N_RX_COMP_RINGS], rx_new[N_RX_COMP_RINGS]; + int rx_last[N_RX_DESC_RINGS]; + + /* Set when chip is actually in operational state + * (ie. not power managed) */ + int hw_running; + int opened; + struct semaphore pm_sem; /* open/close/suspend/resume */ + + struct cas_init_block *init_block; + struct cas_tx_desc *init_txds[MAX_TX_RINGS]; + struct cas_rx_desc *init_rxds[MAX_RX_DESC_RINGS]; + struct cas_rx_comp *init_rxcs[MAX_RX_COMP_RINGS]; + + /* we use sk_buffs for tx and pages for rx. the rx skbuffs + * are there for flow re-assembly. */ + struct sk_buff *tx_skbs[N_TX_RINGS][TX_DESC_RING_SIZE]; + struct sk_buff_head rx_flows[N_RX_FLOWS]; + cas_page_t *rx_pages[N_RX_DESC_RINGS][RX_DESC_RING_SIZE]; + struct list_head rx_spare_list, rx_inuse_list; + int rx_spares_needed; + + /* for small packets when copying would be quicker than + mapping */ + struct cas_tiny_count tx_tiny_use[N_TX_RINGS][TX_DESC_RING_SIZE]; + u8 *tx_tiny_bufs[N_TX_RINGS]; + + u32 msg_enable; + + /* N_TX_RINGS must be >= N_RX_DESC_RINGS */ + struct net_device_stats net_stats[N_TX_RINGS + 1]; + + u32 pci_cfg[64 >> 2]; + u8 pci_revision; + + int phy_type; + int phy_addr; + u32 phy_id; +#define CAS_FLAG_1000MB_CAP 0x00000001 +#define CAS_FLAG_REG_PLUS 0x00000002 +#define CAS_FLAG_TARGET_ABORT 0x00000004 +#define CAS_FLAG_SATURN 0x00000008 +#define CAS_FLAG_RXD_POST_MASK 0x000000F0 +#define CAS_FLAG_RXD_POST_SHIFT 4 +#define CAS_FLAG_RXD_POST(x) ((1 << (CAS_FLAG_RXD_POST_SHIFT + (x))) & \ + CAS_FLAG_RXD_POST_MASK) +#define CAS_FLAG_ENTROPY_DEV 0x00000100 +#define CAS_FLAG_NO_HW_CSUM 0x00000200 + u32 cas_flags; + int packet_min; /* minimum packet size */ + int tx_fifo_size; + int rx_fifo_size; + int rx_pause_off; + int rx_pause_on; + int crc_size; /* 4 if half-duplex */ + + int pci_irq_INTC; + int min_frame_size; /* for tx fifo workaround */ + + /* page size allocation */ + int page_size; + int page_order; + int mtu_stride; + + u32 mac_rx_cfg; + + /* Autoneg & PHY control */ + int link_cntl; + int link_fcntl; + enum link_state lstate; + struct timer_list link_timer; + int timer_ticks; + struct work_struct reset_task; +#if 0 + atomic_t reset_task_pending; +#else + atomic_t reset_task_pending; + atomic_t reset_task_pending_mtu; + atomic_t reset_task_pending_spare; + atomic_t reset_task_pending_all; +#endif + +#ifdef CONFIG_CASSINI_QGE_DEBUG + atomic_t interrupt_seen; /* 1 if any interrupts are getting through */ +#endif + + /* Link-down problem workaround */ +#define LINK_TRANSITION_UNKNOWN 0 +#define LINK_TRANSITION_ON_FAILURE 1 +#define LINK_TRANSITION_STILL_FAILED 2 +#define LINK_TRANSITION_LINK_UP 3 +#define LINK_TRANSITION_LINK_CONFIG 4 +#define LINK_TRANSITION_LINK_DOWN 5 +#define LINK_TRANSITION_REQUESTED_RESET 6 + int link_transition; + int link_transition_jiffies_valid; + unsigned long link_transition_jiffies; + + /* Tuning */ + u8 orig_cacheline_size; /* value when loaded */ +#define CAS_PREF_CACHELINE_SIZE 0x20 /* Minimum desired */ + + /* Diagnostic counters and state. */ + int casreg_len; /* reg-space size for dumping */ + u64 pause_entered; + u16 pause_last_time_recvd; + + dma_addr_t block_dvma, tx_tiny_dvma[N_TX_RINGS]; + struct pci_dev *pdev; + struct net_device *dev; +}; + +#define TX_DESC_NEXT(r, x) (((x) + 1) & (TX_DESC_RINGN_SIZE(r) - 1)) +#define RX_DESC_ENTRY(r, x) ((x) & (RX_DESC_RINGN_SIZE(r) - 1)) +#define RX_COMP_ENTRY(r, x) ((x) & (RX_COMP_RINGN_SIZE(r) - 1)) + +#define TX_BUFF_COUNT(r, x, y) ((x) <= (y) ? ((y) - (x)) : \ + (TX_DESC_RINGN_SIZE(r) - (x) + (y))) + +#define TX_BUFFS_AVAIL(cp, i) ((cp)->tx_old[(i)] <= (cp)->tx_new[(i)] ? \ + (cp)->tx_old[(i)] + (TX_DESC_RINGN_SIZE(i) - 1) - (cp)->tx_new[(i)] : \ + (cp)->tx_old[(i)] - (cp)->tx_new[(i)] - 1) + +#define CAS_ALIGN(addr, align) \ + (((unsigned long) (addr) + ((align) - 1UL)) & ~((align) - 1)) + +#define RX_FIFO_SIZE 16384 +#define EXPANSION_ROM_SIZE 65536 + +#define CAS_MC_EXACT_MATCH_SIZE 15 +#define CAS_MC_HASH_SIZE 256 +#define CAS_MC_HASH_MAX (CAS_MC_EXACT_MATCH_SIZE + \ + CAS_MC_HASH_SIZE) + +#define TX_TARGET_ABORT_LEN 0x20 +#define RX_SWIVEL_OFF_VAL 0x2 +#define RX_AE_FREEN_VAL(x) (RX_DESC_RINGN_SIZE(x) >> 1) +#define RX_AE_COMP_VAL (RX_COMP_RING_SIZE >> 1) +#define RX_BLANK_INTR_PKT_VAL 0x05 +#define RX_BLANK_INTR_TIME_VAL 0x0F +#define HP_TCP_THRESH_VAL 1530 /* reduce to enable reassembly */ + +#define RX_SPARE_COUNT (RX_DESC_RING_SIZE >> 1) +#define RX_SPARE_RECOVER_VAL (RX_SPARE_COUNT >> 2) + +#endif /* _CASSINI_H */ diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index cdc07ccd733..a6078ad9b65 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -140,6 +140,7 @@ #include <asm/system.h> #include <asm/io.h> +#include <asm/irq.h> #if ALLOW_DMA #include <asm/dma.h> #endif diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c index 32d5fabd4b1..a2c4dd4fb22 100644 --- a/drivers/net/ibmveth.c +++ b/drivers/net/ibmveth.c @@ -99,7 +99,7 @@ static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance, struct pt_regs static inline void ibmveth_schedule_replenishing(struct ibmveth_adapter*); #ifdef CONFIG_PROC_FS -#define IBMVETH_PROC_DIR "ibmveth" +#define IBMVETH_PROC_DIR "net/ibmveth" static struct proc_dir_entry *ibmveth_proc_dir; #endif @@ -1010,7 +1010,7 @@ static int __devexit ibmveth_remove(struct vio_dev *dev) #ifdef CONFIG_PROC_FS static void ibmveth_proc_register_driver(void) { - ibmveth_proc_dir = create_proc_entry(IBMVETH_PROC_DIR, S_IFDIR, proc_net); + ibmveth_proc_dir = proc_mkdir(IBMVETH_PROC_DIR, NULL); if (ibmveth_proc_dir) { SET_MODULE_OWNER(ibmveth_proc_dir); } @@ -1018,7 +1018,7 @@ static void ibmveth_proc_register_driver(void) static void ibmveth_proc_unregister_driver(void) { - remove_proc_entry(IBMVETH_PROC_DIR, proc_net); + remove_proc_entry(IBMVETH_PROC_DIR, NULL); } static void *ibmveth_seq_start(struct seq_file *seq, loff_t *pos) diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index 6d9de626c96..651c5a6578f 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -1875,11 +1875,11 @@ static int __init vlsi_mod_init(void) sirpulse = !!sirpulse; - /* create_proc_entry returns NULL if !CONFIG_PROC_FS. + /* proc_mkdir returns NULL if !CONFIG_PROC_FS. * Failure to create the procfs entry is handled like running * without procfs - it's not required for the driver to work. */ - vlsi_proc_root = create_proc_entry(PROC_DIR, S_IFDIR, NULL); + vlsi_proc_root = proc_mkdir(PROC_DIR, NULL); if (vlsi_proc_root) { /* protect registered procdir against module removal. * Because we are in the module init path there's no race diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c index 82f236cc3b9..a842ecc60a3 100644 --- a/drivers/net/pppoe.c +++ b/drivers/net/pppoe.c @@ -1070,7 +1070,7 @@ static int __init pppoe_proc_init(void) { struct proc_dir_entry *p; - p = create_proc_entry("pppoe", S_IRUGO, proc_net); + p = create_proc_entry("net/pppoe", S_IRUGO, NULL); if (!p) return -ENOMEM; @@ -1142,7 +1142,7 @@ static void __exit pppoe_exit(void) dev_remove_pack(&pppoes_ptype); dev_remove_pack(&pppoed_ptype); unregister_netdevice_notifier(&pppoe_notifier); - remove_proc_entry("pppoe", proc_net); + remove_proc_entry("net/pppoe", NULL); proto_unregister(&pppoe_sk_proto); } diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index f9223c1c5aa..afb3f186b88 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -92,8 +92,7 @@ VERSION 2.2LK <2005/01/25> #endif /* RTL8169_DEBUG */ #define R8169_MSG_DEFAULT \ - (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | NETIF_MSG_IFUP | \ - NETIF_MSG_IFDOWN) + (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN) #define TX_BUFFS_AVAIL(tp) \ (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1) diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index 2e72d79a143..b18c92cb629 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -235,7 +235,7 @@ static int SkDrvDeInitAdapter(SK_AC *pAC, int devNbr); * Extern Function Prototypes * ******************************************************************************/ -static const char SKRootName[] = "sk98lin"; +static const char SKRootName[] = "net/sk98lin"; static struct proc_dir_entry *pSkRootDir; extern struct file_operations sk_proc_fops; @@ -5242,20 +5242,20 @@ static int __init skge_init(void) { int error; - pSkRootDir = proc_mkdir(SKRootName, proc_net); + pSkRootDir = proc_mkdir(SKRootName, NULL); if (pSkRootDir) pSkRootDir->owner = THIS_MODULE; error = pci_register_driver(&skge_driver); if (error) - proc_net_remove(SKRootName); + remove_proc_entry(SKRootName, NULL); return error; } static void __exit skge_exit(void) { pci_unregister_driver(&skge_driver); - proc_net_remove(SKRootName); + remove_proc_entry(SKRootName, NULL); } diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 81f4aedf534..25f85fb9df4 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -67,8 +67,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.40" -#define DRV_MODULE_RELDATE "September 15, 2005" +#define DRV_MODULE_VERSION "3.41" +#define DRV_MODULE_RELDATE "September 27, 2005" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -3389,7 +3389,8 @@ static irqreturn_t tg3_test_isr(int irq, void *dev_id, struct tg3 *tp = netdev_priv(dev); struct tg3_hw_status *sblk = tp->hw_status; - if (sblk->status & SD_STATUS_UPDATED) { + if ((sblk->status & SD_STATUS_UPDATED) || + !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) { tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001); return IRQ_RETVAL(1); @@ -5395,6 +5396,9 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p) struct tg3 *tp = netdev_priv(dev); struct sockaddr *addr = p; + if (!is_valid_ether_addr(addr->sa_data)) + return -EINVAL; + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); spin_lock_bh(&tp->lock); @@ -5806,6 +5810,13 @@ static int tg3_reset_hw(struct tg3 *tp) } memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE); + if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) { + tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT; + /* reset to prevent losing 1st rx packet intermittently */ + tw32_f(MAC_RX_MODE, RX_MODE_RESET); + udelay(10); + } + tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE | MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE; tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR); @@ -5937,7 +5948,7 @@ static int tg3_reset_hw(struct tg3 *tp) tw32(MAC_LED_CTRL, tp->led_ctrl); tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB); - if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) { + if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) { tw32_f(MAC_RX_MODE, RX_MODE_RESET); udelay(10); } @@ -7360,12 +7371,17 @@ static int tg3_nway_reset(struct net_device *dev) if (!netif_running(dev)) return -EAGAIN; + if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) + return -EINVAL; + spin_lock_bh(&tp->lock); r = -EINVAL; tg3_readphy(tp, MII_BMCR, &bmcr); if (!tg3_readphy(tp, MII_BMCR, &bmcr) && - (bmcr & BMCR_ANENABLE)) { - tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART); + ((bmcr & BMCR_ANENABLE) || + (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) { + tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART | + BMCR_ANENABLE); r = 0; } spin_unlock_bh(&tp->lock); @@ -7927,19 +7943,32 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode) struct tg3_rx_buffer_desc *desc; if (loopback_mode == TG3_MAC_LOOPBACK) { + /* HW errata - mac loopback fails in some cases on 5780. + * Normal traffic and PHY loopback are not affected by + * errata. + */ + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) + return 0; + mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) | MAC_MODE_PORT_INT_LPBACK | MAC_MODE_LINK_POLARITY | MAC_MODE_PORT_MODE_GMII; tw32(MAC_MODE, mac_mode); } else if (loopback_mode == TG3_PHY_LOOPBACK) { + tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK | BMCR_FULLDPLX | + BMCR_SPEED1000); + udelay(40); + /* reset to prevent losing 1st rx packet intermittently */ + if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) { + tw32_f(MAC_RX_MODE, RX_MODE_RESET); + udelay(10); + tw32_f(MAC_RX_MODE, tp->rx_mode); + } mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) | MAC_MODE_LINK_POLARITY | MAC_MODE_PORT_MODE_GMII; if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) mac_mode &= ~MAC_MODE_LINK_POLARITY; tw32(MAC_MODE, mac_mode); - - tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK | BMCR_FULLDPLX | - BMCR_SPEED1000); } else return -EINVAL; @@ -10324,6 +10353,44 @@ static char * __devinit tg3_phy_string(struct tg3 *tp) }; } +static char * __devinit tg3_bus_string(struct tg3 *tp, char *str) +{ + if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) { + strcpy(str, "PCI Express"); + return str; + } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) { + u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f; + + strcpy(str, "PCIX:"); + + if ((clock_ctrl == 7) || + ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) == + GRC_MISC_CFG_BOARD_ID_5704CIOBE)) + strcat(str, "133MHz"); + else if (clock_ctrl == 0) + strcat(str, "33MHz"); + else if (clock_ctrl == 2) + strcat(str, "50MHz"); + else if (clock_ctrl == 4) + strcat(str, "66MHz"); + else if (clock_ctrl == 6) + strcat(str, "100MHz"); + else if (clock_ctrl == 7) + strcat(str, "133MHz"); + } else { + strcpy(str, "PCI:"); + if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED) + strcat(str, "66MHz"); + else + strcat(str, "33MHz"); + } + if (tp->tg3_flags & TG3_FLAG_PCI_32BIT) + strcat(str, ":32-bit"); + else + strcat(str, ":64-bit"); + return str; +} + static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp) { struct pci_dev *peer; @@ -10386,6 +10453,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, struct net_device *dev; struct tg3 *tp; int i, err, pci_using_dac, pm_cap; + char str[40]; if (tg3_version_printed++ == 0) printk(KERN_INFO "%s", version); @@ -10631,16 +10699,12 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, pci_set_drvdata(pdev, dev); - printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (PCI%s:%s:%s) %sBaseT Ethernet ", + printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %sBaseT Ethernet ", dev->name, tp->board_part_number, tp->pci_chip_rev_id, tg3_phy_string(tp), - ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "X" : ""), - ((tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED) ? - ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "133MHz" : "66MHz") : - ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "100MHz" : "33MHz")), - ((tp->tg3_flags & TG3_FLAG_PCI_32BIT) ? "32-bit" : "64-bit"), + tg3_bus_string(tp, str), (tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100" : "10/100/1000"); for (i = 0; i < 6; i++) diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index c184b773e58..2e733c60bfa 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -2246,6 +2246,7 @@ struct tg3 { (X) == PHY_ID_BCM5411 || (X) == PHY_ID_BCM5701 || \ (X) == PHY_ID_BCM5703 || (X) == PHY_ID_BCM5704 || \ (X) == PHY_ID_BCM5705 || (X) == PHY_ID_BCM5750 || \ + (X) == PHY_ID_BCM5752 || (X) == PHY_ID_BCM5780 || \ (X) == PHY_ID_BCM8002) struct tg3_hw_stats *hw_stats; diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c index 8de49fe5723..6deb7cc810c 100644 --- a/drivers/net/wireless/orinoco.c +++ b/drivers/net/wireless/orinoco.c @@ -2458,7 +2458,6 @@ struct net_device *alloc_orinocodev(int sizeof_card, dev->watchdog_timeo = HZ; /* 1 second timeout */ dev->get_stats = orinoco_get_stats; dev->ethtool_ops = &orinoco_ethtool_ops; - dev->get_wireless_stats = orinoco_get_wireless_stats; dev->wireless_handlers = (struct iw_handler_def *)&orinoco_handler_def; dev->change_mtu = orinoco_change_mtu; dev->set_multicast_list = orinoco_set_multicast_list; @@ -4399,6 +4398,7 @@ static const struct iw_handler_def orinoco_handler_def = { .standard = orinoco_handler, .private = orinoco_private_handler, .private_args = orinoco_privtab, + .get_wireless_stats = orinoco_get_wireless_stats, }; static void orinoco_get_drvinfo(struct net_device *dev, diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index ddc741e6ecb..36cc9a96a33 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -146,7 +146,7 @@ config I82365 config TCIC tristate "Databook TCIC host bridge support" - depends on PCMCIA + depends on PCMCIA && ISA select PCCARD_NONSTATIC help Say Y here to include support for the Databook TCIC family of PCMCIA diff --git a/drivers/pcmcia/cardbus.c b/drivers/pcmcia/cardbus.c index 1d755e20880..3f6d51d1137 100644 --- a/drivers/pcmcia/cardbus.c +++ b/drivers/pcmcia/cardbus.c @@ -228,6 +228,11 @@ int cb_alloc(struct pcmcia_socket * s) pci_bus_size_bridges(bus); pci_bus_assign_resources(bus); cardbus_assign_irqs(bus, s->pci_irq); + + /* socket specific tune function */ + if (s->tune_bridge) + s->tune_bridge(s, bus); + pci_enable_bridges(bus); pci_bus_add_devices(bus); diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c index 08d1c928826..94be9e51654 100644 --- a/drivers/pcmcia/omap_cf.c +++ b/drivers/pcmcia/omap_cf.c @@ -22,7 +22,6 @@ #include <asm/hardware.h> #include <asm/io.h> -#include <asm/mach-types.h> #include <asm/sizes.h> #include <asm/arch/mux.h> diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index c42455d20eb..f9a5c70284b 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -691,7 +691,7 @@ static int adjust_memory(struct pcmcia_socket *s, unsigned int action, unsigned unsigned long size = end - start + 1; int ret = 0; - if (end <= start) + if (end < start) return -EINVAL; down(&rsrc_sem); @@ -724,7 +724,7 @@ static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long unsigned long size = end - start + 1; int ret = 0; - if (end <= start) + if (end < start) return -EINVAL; if (end > IO_SPACE_LIMIT) @@ -817,7 +817,7 @@ static int nonstatic_autoadd_resources(struct pcmcia_socket *s) /* if we got at least one of IO, and one of MEM, we can be glad and * activate the PCMCIA subsystem */ - if (done & (IORESOURCE_MEM | IORESOURCE_IO)) + if (done == (IORESOURCE_MEM | IORESOURCE_IO)) s->resource_setup_done = 1; return 0; @@ -925,7 +925,7 @@ static ssize_t store_io_db(struct class_device *class_dev, const char *buf, size return -EINVAL; } } - if (end_addr <= start_addr) + if (end_addr < start_addr) return -EINVAL; ret = adjust_io(s, add, start_addr, end_addr); @@ -977,7 +977,7 @@ static ssize_t store_mem_db(struct class_device *class_dev, const char *buf, siz return -EINVAL; } } - if (end_addr <= start_addr) + if (end_addr < start_addr) return -EINVAL; ret = adjust_memory(s, add, start_addr, end_addr); diff --git a/drivers/pcmcia/ti113x.h b/drivers/pcmcia/ti113x.h index fbe233e19ce..da0b404561c 100644 --- a/drivers/pcmcia/ti113x.h +++ b/drivers/pcmcia/ti113x.h @@ -59,6 +59,7 @@ #define TI122X_SCR_SER_STEP 0xc0000000 #define TI122X_SCR_INTRTIE 0x20000000 +#define TIXX21_SCR_TIEALL 0x10000000 #define TI122X_SCR_CBRSVD 0x00400000 #define TI122X_SCR_MRBURSTDN 0x00008000 #define TI122X_SCR_MRBURSTUP 0x00004000 @@ -153,6 +154,12 @@ /* EnE test register */ #define ENE_TEST_C9 0xc9 /* 8bit */ #define ENE_TEST_C9_TLTENABLE 0x02 +#define ENE_TEST_C9_PFENABLE_F0 0x04 +#define ENE_TEST_C9_PFENABLE_F1 0x08 +#define ENE_TEST_C9_PFENABLE (ENE_TEST_C9_PFENABLE_F0 | ENE_TEST_C9_PFENABLE_F0) +#define ENE_TEST_C9_WPDISALBLE_F0 0x40 +#define ENE_TEST_C9_WPDISALBLE_F1 0x80 +#define ENE_TEST_C9_WPDISALBLE (ENE_TEST_C9_WPDISALBLE_F0 | ENE_TEST_C9_WPDISALBLE_F1) /* * Texas Instruments CardBus controller overrides. @@ -618,6 +625,7 @@ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket) int devfn; unsigned int state; int ret = 1; + u32 sysctl; /* catch the two-slot controllers */ switch (socket->dev->device) { @@ -640,6 +648,24 @@ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket) */ break; + case PCI_DEVICE_ID_TI_X515: + case PCI_DEVICE_ID_TI_X420: + case PCI_DEVICE_ID_TI_X620: + case PCI_DEVICE_ID_TI_XX21_XX11: + case PCI_DEVICE_ID_TI_7410: + case PCI_DEVICE_ID_TI_7610: + /* + * those are either single or dual slot CB with additional functions + * like 1394, smartcard reader, etc. check the TIEALL flag for them + * the TIEALL flag binds the IRQ of all functions toghether. + * we catch the single slot variants later. + */ + sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); + if (sysctl & TIXX21_SCR_TIEALL) + return 0; + + break; + /* single-slot controllers have the 2nd slot empty always :) */ default: return 1; @@ -652,6 +678,15 @@ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket) if (!func) return 1; + /* + * check that the device id of both slots match. this is needed for the + * XX21 and the XX11 controller that share the same device id for single + * and dual slot controllers. return '2nd slot empty'. we already checked + * if the interrupt is tied to another function. + */ + if (socket->dev->device != func->device) + goto out; + slot2 = pci_get_drvdata(func); if (!slot2) goto out; @@ -791,16 +826,6 @@ static int ti12xx_override(struct yenta_socket *socket) config_writel(socket, TI113X_SYSTEM_CONTROL, val); /* - * for EnE bridges only: clear testbit TLTEnable. this makes the - * RME Hammerfall DSP sound card working. - */ - if (socket->dev->vendor == PCI_VENDOR_ID_ENE) { - u8 test_c9 = config_readb(socket, ENE_TEST_C9); - test_c9 &= ~ENE_TEST_C9_TLTENABLE; - config_writeb(socket, ENE_TEST_C9, test_c9); - } - - /* * Yenta expects controllers to use CSCINT to route * CSC interrupts to PCI rather than INTVAL. */ @@ -841,5 +866,75 @@ static int ti1250_override(struct yenta_socket *socket) return ti12xx_override(socket); } + +/** + * EnE specific part. EnE bridges are register compatible with TI bridges but + * have their own test registers and more important their own little problems. + * Some fixup code to make everybody happy (TM). + */ + +/** + * set/clear various test bits: + * Defaults to clear the bit. + * - mask (u8) defines what bits to change + * - bits (u8) is the values to change them to + * -> it's + * current = (current & ~mask) | bits + */ +/* pci ids of devices that wants to have the bit set */ +#define DEVID(_vend,_dev,_subvend,_subdev,mask,bits) { \ + .vendor = _vend, \ + .device = _dev, \ + .subvendor = _subvend, \ + .subdevice = _subdev, \ + .driver_data = ((mask) << 8 | (bits)), \ + } +static struct pci_device_id ene_tune_tbl[] = { + /* Echo Audio products based on motorola DSP56301 and DSP56361 */ + DEVID(PCI_VENDOR_ID_MOTOROLA, 0x1801, 0xECC0, PCI_ANY_ID, + ENE_TEST_C9_TLTENABLE | ENE_TEST_C9_PFENABLE, ENE_TEST_C9_TLTENABLE), + DEVID(PCI_VENDOR_ID_MOTOROLA, 0x3410, 0xECC0, PCI_ANY_ID, + ENE_TEST_C9_TLTENABLE | ENE_TEST_C9_PFENABLE, ENE_TEST_C9_TLTENABLE), + + {} +}; + +static void ene_tune_bridge(struct pcmcia_socket *sock, struct pci_bus *bus) +{ + struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); + struct pci_dev *dev; + struct pci_device_id *id = NULL; + u8 test_c9, old_c9, mask, bits; + + list_for_each_entry(dev, &bus->devices, bus_list) { + id = (struct pci_device_id *) pci_match_id(ene_tune_tbl, dev); + if (id) + break; + } + + test_c9 = old_c9 = config_readb(socket, ENE_TEST_C9); + if (id) { + mask = (id->driver_data >> 8) & 0xFF; + bits = id->driver_data & 0xFF; + + test_c9 = (test_c9 & ~mask) | bits; + } + else + /* default to clear TLTEnable bit, old behaviour */ + test_c9 &= ~ENE_TEST_C9_TLTENABLE; + + printk(KERN_INFO "yenta EnE: chaning testregister 0xC9, %02x -> %02x\n", old_c9, test_c9); + config_writeb(socket, ENE_TEST_C9, test_c9); +} + + +static int ene_override(struct yenta_socket *socket) +{ + /* install tune_bridge() function */ + socket->socket.tune_bridge = ene_tune_bridge; + + return ti1250_override(socket); +} + #endif /* _LINUX_TI113X_H */ diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index ba4d78e5b12..db9f952f9e3 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -559,12 +559,6 @@ static void yenta_interrogate(struct yenta_socket *socket) static int yenta_sock_init(struct pcmcia_socket *sock) { struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); - u16 bridge; - - bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~CB_BRIDGE_INTR; - if (!socket->cb_irq) - bridge |= CB_BRIDGE_INTR; - config_writew(socket, CB_BRIDGE_CONTROL, bridge); exca_writeb(socket, I365_GBLCTL, 0x00); exca_writeb(socket, I365_GENCTL, 0x00); @@ -819,6 +813,7 @@ enum { CARDBUS_TYPE_TOPIC95, CARDBUS_TYPE_TOPIC97, CARDBUS_TYPE_O2MICRO, + CARDBUS_TYPE_ENE, }; /* @@ -865,6 +860,12 @@ static struct cardbus_type cardbus_type[] = { .override = o2micro_override, .restore_state = o2micro_restore_state, }, + [CARDBUS_TYPE_ENE] = { + .override = ene_override, + .save_state = ti_save_state, + .restore_state = ti_restore_state, + .sock_init = ti_init, + }, }; @@ -883,16 +884,8 @@ static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mas { int i; unsigned long val; - u16 bridge_ctrl; u32 mask; - /* Set up ISA irq routing to probe the ISA irqs.. */ - bridge_ctrl = config_readw(socket, CB_BRIDGE_CONTROL); - if (!(bridge_ctrl & CB_BRIDGE_INTR)) { - bridge_ctrl |= CB_BRIDGE_INTR; - config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl); - } - /* * Probe for usable interrupts using the force * register to generate bogus card status events. @@ -914,9 +907,6 @@ static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mas mask = probe_irq_mask(val) & 0xffff; - bridge_ctrl &= ~CB_BRIDGE_INTR; - config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl); - return mask; } @@ -944,18 +934,11 @@ static irqreturn_t yenta_probe_handler(int irq, void *dev_id, struct pt_regs *re /* probes the PCI interrupt, use only on override functions */ static int yenta_probe_cb_irq(struct yenta_socket *socket) { - u16 bridge_ctrl; - if (!socket->cb_irq) return -1; socket->probe_status = 0; - /* disable ISA interrupts */ - bridge_ctrl = config_readw(socket, CB_BRIDGE_CONTROL); - bridge_ctrl &= ~CB_BRIDGE_INTR; - config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl); - if (request_irq(socket->cb_irq, yenta_probe_handler, SA_SHIRQ, "yenta", socket)) { printk(KERN_WARNING "Yenta: request_irq() in yenta_probe_cb_irq() failed!\n"); return -1; @@ -966,7 +949,7 @@ static int yenta_probe_cb_irq(struct yenta_socket *socket) cb_writel(socket, CB_SOCKET_EVENT, -1); cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK); cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS); - + msleep(100); /* disable interrupts */ @@ -1004,11 +987,12 @@ static void yenta_config_init(struct yenta_socket *socket) { u16 bridge; struct pci_dev *dev = socket->dev; + struct pci_bus_region region; - pci_set_power_state(socket->dev, 0); + pcibios_resource_to_bus(socket->dev, ®ion, &dev->resource[0]); config_writel(socket, CB_LEGACY_MODE_BASE, 0); - config_writel(socket, PCI_BASE_ADDRESS_0, dev->resource[0].start); + config_writel(socket, PCI_BASE_ADDRESS_0, region.start); config_writew(socket, PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | @@ -1031,8 +1015,8 @@ static void yenta_config_init(struct yenta_socket *socket) * - PCI interrupts enabled if a PCI interrupt exists.. */ bridge = config_readw(socket, CB_BRIDGE_CONTROL); - bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_INTR | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN); - bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN | CB_BRIDGE_INTR; + bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN); + bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN; config_writew(socket, CB_BRIDGE_CONTROL, bridge); } @@ -1265,10 +1249,22 @@ static struct pci_device_id yenta_table [] = { CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250), CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250), - CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, TI12XX), - CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, TI12XX), - CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, TI1250), - CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, TI12XX), + CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX), + CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX), + CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX), + CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX), + CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX), + CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX), + CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX), + + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, TI12XX), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, TI12XX), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, TI12XX), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, TI12XX), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE), + CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE), CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH), CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH), diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 02a7a9eb464..54633680257 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -62,6 +62,7 @@ static unsigned int ata_busy_sleep (struct ata_port *ap, unsigned long tmout_pat, unsigned long tmout); +static void ata_dev_init_params(struct ata_port *ap, struct ata_device *dev); static void ata_set_mode(struct ata_port *ap); static void ata_dev_set_xfermode(struct ata_port *ap, struct ata_device *dev); static unsigned int ata_get_mode_mask(struct ata_port *ap, int shift); @@ -1131,7 +1132,7 @@ static inline void ata_dump_id(struct ata_device *dev) static void ata_dev_identify(struct ata_port *ap, unsigned int device) { struct ata_device *dev = &ap->device[device]; - unsigned int i; + unsigned int major_version; u16 tmp; unsigned long xfer_modes; u8 status; @@ -1229,9 +1230,9 @@ retry: * common ATA, ATAPI feature tests */ - /* we require LBA and DMA support (bits 8 & 9 of word 49) */ - if (!ata_id_has_dma(dev->id) || !ata_id_has_lba(dev->id)) { - printk(KERN_DEBUG "ata%u: no dma/lba\n", ap->id); + /* we require DMA support (bits 8 of word 49) */ + if (!ata_id_has_dma(dev->id)) { + printk(KERN_DEBUG "ata%u: no dma\n", ap->id); goto err_out_nosup; } @@ -1251,32 +1252,69 @@ retry: if (!ata_id_is_ata(dev->id)) /* sanity check */ goto err_out_nosup; + /* get major version */ tmp = dev->id[ATA_ID_MAJOR_VER]; - for (i = 14; i >= 1; i--) - if (tmp & (1 << i)) + for (major_version = 14; major_version >= 1; major_version--) + if (tmp & (1 << major_version)) break; - /* we require at least ATA-3 */ - if (i < 3) { - printk(KERN_DEBUG "ata%u: no ATA-3\n", ap->id); - goto err_out_nosup; - } + /* + * The exact sequence expected by certain pre-ATA4 drives is: + * SRST RESET + * IDENTIFY + * INITIALIZE DEVICE PARAMETERS + * anything else.. + * Some drives were very specific about that exact sequence. + */ + if (major_version < 4 || (!ata_id_has_lba(dev->id))) + ata_dev_init_params(ap, dev); + + if (ata_id_has_lba(dev->id)) { + dev->flags |= ATA_DFLAG_LBA; + + if (ata_id_has_lba48(dev->id)) { + dev->flags |= ATA_DFLAG_LBA48; + dev->n_sectors = ata_id_u64(dev->id, 100); + } else { + dev->n_sectors = ata_id_u32(dev->id, 60); + } + + /* print device info to dmesg */ + printk(KERN_INFO "ata%u: dev %u ATA-%d, max %s, %Lu sectors:%s\n", + ap->id, device, + major_version, + ata_mode_string(xfer_modes), + (unsigned long long)dev->n_sectors, + dev->flags & ATA_DFLAG_LBA48 ? " LBA48" : " LBA"); + } else { + /* CHS */ + + /* Default translation */ + dev->cylinders = dev->id[1]; + dev->heads = dev->id[3]; + dev->sectors = dev->id[6]; + dev->n_sectors = dev->cylinders * dev->heads * dev->sectors; + + if (ata_id_current_chs_valid(dev->id)) { + /* Current CHS translation is valid. */ + dev->cylinders = dev->id[54]; + dev->heads = dev->id[55]; + dev->sectors = dev->id[56]; + + dev->n_sectors = ata_id_u32(dev->id, 57); + } + + /* print device info to dmesg */ + printk(KERN_INFO "ata%u: dev %u ATA-%d, max %s, %Lu sectors: CHS %d/%d/%d\n", + ap->id, device, + major_version, + ata_mode_string(xfer_modes), + (unsigned long long)dev->n_sectors, + (int)dev->cylinders, (int)dev->heads, (int)dev->sectors); - if (ata_id_has_lba48(dev->id)) { - dev->flags |= ATA_DFLAG_LBA48; - dev->n_sectors = ata_id_u64(dev->id, 100); - } else { - dev->n_sectors = ata_id_u32(dev->id, 60); } ap->host->max_cmd_len = 16; - - /* print device info to dmesg */ - printk(KERN_INFO "ata%u: dev %u ATA, max %s, %Lu sectors:%s\n", - ap->id, device, - ata_mode_string(xfer_modes), - (unsigned long long)dev->n_sectors, - dev->flags & ATA_DFLAG_LBA48 ? " lba48" : ""); } /* ATAPI-specific feature tests */ @@ -2147,6 +2185,54 @@ static void ata_dev_set_xfermode(struct ata_port *ap, struct ata_device *dev) } /** + * ata_dev_init_params - Issue INIT DEV PARAMS command + * @ap: Port associated with device @dev + * @dev: Device to which command will be sent + * + * LOCKING: + */ + +static void ata_dev_init_params(struct ata_port *ap, struct ata_device *dev) +{ + DECLARE_COMPLETION(wait); + struct ata_queued_cmd *qc; + int rc; + unsigned long flags; + u16 sectors = dev->id[6]; + u16 heads = dev->id[3]; + + /* Number of sectors per track 1-255. Number of heads 1-16 */ + if (sectors < 1 || sectors > 255 || heads < 1 || heads > 16) + return; + + /* set up init dev params taskfile */ + DPRINTK("init dev params \n"); + + qc = ata_qc_new_init(ap, dev); + BUG_ON(qc == NULL); + + qc->tf.command = ATA_CMD_INIT_DEV_PARAMS; + qc->tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; + qc->tf.protocol = ATA_PROT_NODATA; + qc->tf.nsect = sectors; + qc->tf.device |= (heads - 1) & 0x0f; /* max head = num. of heads - 1 */ + + qc->waiting = &wait; + qc->complete_fn = ata_qc_complete_noop; + + spin_lock_irqsave(&ap->host_set->lock, flags); + rc = ata_qc_issue(qc); + spin_unlock_irqrestore(&ap->host_set->lock, flags); + + if (rc) + ata_port_disable(ap); + else + wait_for_completion(&wait); + + DPRINTK("EXIT\n"); +} + +/** * ata_sg_clean - Unmap DMA memory associated with command * @qc: Command containing DMA memory to be released * @@ -3168,8 +3254,12 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap, ata_tf_init(ap, &qc->tf, dev->devno); - if (dev->flags & ATA_DFLAG_LBA48) - qc->tf.flags |= ATA_TFLAG_LBA48; + if (dev->flags & ATA_DFLAG_LBA) { + qc->tf.flags |= ATA_TFLAG_LBA; + + if (dev->flags & ATA_DFLAG_LBA48) + qc->tf.flags |= ATA_TFLAG_LBA48; + } } return qc; diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 104fd9a63e7..03b7a6dd95f 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -504,77 +504,107 @@ static unsigned int ata_scsi_flush_xlat(struct ata_queued_cmd *qc, u8 *scsicmd) static unsigned int ata_scsi_verify_xlat(struct ata_queued_cmd *qc, u8 *scsicmd) { struct ata_taskfile *tf = &qc->tf; + struct ata_device *dev = qc->dev; + unsigned int lba = tf->flags & ATA_TFLAG_LBA; unsigned int lba48 = tf->flags & ATA_TFLAG_LBA48; u64 dev_sectors = qc->dev->n_sectors; - u64 sect = 0; - u32 n_sect = 0; + u64 block = 0; + u32 n_block = 0; tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; tf->protocol = ATA_PROT_NODATA; - tf->device |= ATA_LBA; if (scsicmd[0] == VERIFY) { - sect |= ((u64)scsicmd[2]) << 24; - sect |= ((u64)scsicmd[3]) << 16; - sect |= ((u64)scsicmd[4]) << 8; - sect |= ((u64)scsicmd[5]); + block |= ((u64)scsicmd[2]) << 24; + block |= ((u64)scsicmd[3]) << 16; + block |= ((u64)scsicmd[4]) << 8; + block |= ((u64)scsicmd[5]); - n_sect |= ((u32)scsicmd[7]) << 8; - n_sect |= ((u32)scsicmd[8]); + n_block |= ((u32)scsicmd[7]) << 8; + n_block |= ((u32)scsicmd[8]); } else if (scsicmd[0] == VERIFY_16) { - sect |= ((u64)scsicmd[2]) << 56; - sect |= ((u64)scsicmd[3]) << 48; - sect |= ((u64)scsicmd[4]) << 40; - sect |= ((u64)scsicmd[5]) << 32; - sect |= ((u64)scsicmd[6]) << 24; - sect |= ((u64)scsicmd[7]) << 16; - sect |= ((u64)scsicmd[8]) << 8; - sect |= ((u64)scsicmd[9]); - - n_sect |= ((u32)scsicmd[10]) << 24; - n_sect |= ((u32)scsicmd[11]) << 16; - n_sect |= ((u32)scsicmd[12]) << 8; - n_sect |= ((u32)scsicmd[13]); + block |= ((u64)scsicmd[2]) << 56; + block |= ((u64)scsicmd[3]) << 48; + block |= ((u64)scsicmd[4]) << 40; + block |= ((u64)scsicmd[5]) << 32; + block |= ((u64)scsicmd[6]) << 24; + block |= ((u64)scsicmd[7]) << 16; + block |= ((u64)scsicmd[8]) << 8; + block |= ((u64)scsicmd[9]); + + n_block |= ((u32)scsicmd[10]) << 24; + n_block |= ((u32)scsicmd[11]) << 16; + n_block |= ((u32)scsicmd[12]) << 8; + n_block |= ((u32)scsicmd[13]); } else return 1; - if (!n_sect) + if (!n_block) return 1; - if (sect >= dev_sectors) + if (block >= dev_sectors) return 1; - if ((sect + n_sect) > dev_sectors) + if ((block + n_block) > dev_sectors) return 1; if (lba48) { - if (n_sect > (64 * 1024)) + if (n_block > (64 * 1024)) return 1; } else { - if (n_sect > 256) + if (n_block > 256) return 1; } - if (lba48) { - tf->command = ATA_CMD_VERIFY_EXT; + if (lba) { + if (lba48) { + tf->command = ATA_CMD_VERIFY_EXT; - tf->hob_nsect = (n_sect >> 8) & 0xff; + tf->hob_nsect = (n_block >> 8) & 0xff; - tf->hob_lbah = (sect >> 40) & 0xff; - tf->hob_lbam = (sect >> 32) & 0xff; - tf->hob_lbal = (sect >> 24) & 0xff; - } else { - tf->command = ATA_CMD_VERIFY; + tf->hob_lbah = (block >> 40) & 0xff; + tf->hob_lbam = (block >> 32) & 0xff; + tf->hob_lbal = (block >> 24) & 0xff; + } else { + tf->command = ATA_CMD_VERIFY; - tf->device |= (sect >> 24) & 0xf; - } + tf->device |= (block >> 24) & 0xf; + } + + tf->nsect = n_block & 0xff; - tf->nsect = n_sect & 0xff; + tf->lbah = (block >> 16) & 0xff; + tf->lbam = (block >> 8) & 0xff; + tf->lbal = block & 0xff; - tf->lbah = (sect >> 16) & 0xff; - tf->lbam = (sect >> 8) & 0xff; - tf->lbal = sect & 0xff; + tf->device |= ATA_LBA; + } else { + /* CHS */ + u32 sect, head, cyl, track; + + /* Convert LBA to CHS */ + track = (u32)block / dev->sectors; + cyl = track / dev->heads; + head = track % dev->heads; + sect = (u32)block % dev->sectors + 1; + + DPRINTK("block[%u] track[%u] cyl[%u] head[%u] sect[%u] \n", (u32)block, track, cyl, head, sect); + + /* Check whether the converted CHS can fit. + Cylinder: 0-65535 + Head: 0-15 + Sector: 1-255*/ + if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect)) + return 1; + + tf->command = ATA_CMD_VERIFY; + tf->nsect = n_block & 0xff; /* Sector count 0 means 256 sectors */ + tf->lbal = sect; + tf->lbam = cyl; + tf->lbah = cyl >> 8; + tf->device |= head; + } return 0; } @@ -602,11 +632,14 @@ static unsigned int ata_scsi_verify_xlat(struct ata_queued_cmd *qc, u8 *scsicmd) static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, u8 *scsicmd) { struct ata_taskfile *tf = &qc->tf; + struct ata_device *dev = qc->dev; + unsigned int lba = tf->flags & ATA_TFLAG_LBA; unsigned int lba48 = tf->flags & ATA_TFLAG_LBA48; + u64 block = 0; + u32 n_block = 0; tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; tf->protocol = qc->dev->xfer_protocol; - tf->device |= ATA_LBA; if (scsicmd[0] == READ_10 || scsicmd[0] == READ_6 || scsicmd[0] == READ_16) { @@ -616,90 +649,114 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, u8 *scsicmd) tf->flags |= ATA_TFLAG_WRITE; } + /* Calculate the SCSI LBA and transfer length. */ if (scsicmd[0] == READ_10 || scsicmd[0] == WRITE_10) { - if (lba48) { - tf->hob_nsect = scsicmd[7]; - tf->hob_lbal = scsicmd[2]; + block |= ((u64)scsicmd[2]) << 24; + block |= ((u64)scsicmd[3]) << 16; + block |= ((u64)scsicmd[4]) << 8; + block |= ((u64)scsicmd[5]); - qc->nsect = ((unsigned int)scsicmd[7] << 8) | - scsicmd[8]; - } else { - /* if we don't support LBA48 addressing, the request - * -may- be too large. */ - if ((scsicmd[2] & 0xf0) || scsicmd[7]) - return 1; - - /* stores LBA27:24 in lower 4 bits of device reg */ - tf->device |= scsicmd[2]; - - qc->nsect = scsicmd[8]; - } - - tf->nsect = scsicmd[8]; - tf->lbal = scsicmd[5]; - tf->lbam = scsicmd[4]; - tf->lbah = scsicmd[3]; + n_block |= ((u32)scsicmd[7]) << 8; + n_block |= ((u32)scsicmd[8]); VPRINTK("ten-byte command\n"); - if (qc->nsect == 0) /* we don't support length==0 cmds */ - return 1; - return 0; - } - - if (scsicmd[0] == READ_6 || scsicmd[0] == WRITE_6) { - qc->nsect = tf->nsect = scsicmd[4]; - if (!qc->nsect) { - qc->nsect = 256; - if (lba48) - tf->hob_nsect = 1; - } - - tf->lbal = scsicmd[3]; - tf->lbam = scsicmd[2]; - tf->lbah = scsicmd[1] & 0x1f; /* mask out reserved bits */ - + } else if (scsicmd[0] == READ_6 || scsicmd[0] == WRITE_6) { + block |= ((u64)scsicmd[2]) << 8; + block |= ((u64)scsicmd[3]); + + n_block |= ((u32)scsicmd[4]); + if (!n_block) + n_block = 256; + VPRINTK("six-byte command\n"); - return 0; + } else if (scsicmd[0] == READ_16 || scsicmd[0] == WRITE_16) { + block |= ((u64)scsicmd[2]) << 56; + block |= ((u64)scsicmd[3]) << 48; + block |= ((u64)scsicmd[4]) << 40; + block |= ((u64)scsicmd[5]) << 32; + block |= ((u64)scsicmd[6]) << 24; + block |= ((u64)scsicmd[7]) << 16; + block |= ((u64)scsicmd[8]) << 8; + block |= ((u64)scsicmd[9]); + + n_block |= ((u32)scsicmd[10]) << 24; + n_block |= ((u32)scsicmd[11]) << 16; + n_block |= ((u32)scsicmd[12]) << 8; + n_block |= ((u32)scsicmd[13]); + + VPRINTK("sixteen-byte command\n"); + } else { + DPRINTK("no-byte command\n"); + return 1; } - if (scsicmd[0] == READ_16 || scsicmd[0] == WRITE_16) { - /* rule out impossible LBAs and sector counts */ - if (scsicmd[2] || scsicmd[3] || scsicmd[10] || scsicmd[11]) - return 1; + /* Check and compose ATA command */ + if (!n_block) + /* In ATA, sector count 0 means 256 or 65536 sectors, not 0 sectors. */ + return 1; + if (lba) { if (lba48) { - tf->hob_nsect = scsicmd[12]; - tf->hob_lbal = scsicmd[6]; - tf->hob_lbam = scsicmd[5]; - tf->hob_lbah = scsicmd[4]; - - qc->nsect = ((unsigned int)scsicmd[12] << 8) | - scsicmd[13]; - } else { - /* once again, filter out impossible non-zero values */ - if (scsicmd[4] || scsicmd[5] || scsicmd[12] || - (scsicmd[6] & 0xf0)) + /* The request -may- be too large for LBA48. */ + if ((block >> 48) || (n_block > 65536)) return 1; - /* stores LBA27:24 in lower 4 bits of device reg */ - tf->device |= scsicmd[6]; + tf->hob_nsect = (n_block >> 8) & 0xff; + + tf->hob_lbah = (block >> 40) & 0xff; + tf->hob_lbam = (block >> 32) & 0xff; + tf->hob_lbal = (block >> 24) & 0xff; + } else { + /* LBA28 */ + + /* The request -may- be too large for LBA28. */ + if ((block >> 28) || (n_block > 256)) + return 1; - qc->nsect = scsicmd[13]; + tf->device |= (block >> 24) & 0xf; } + + qc->nsect = n_block; + tf->nsect = n_block & 0xff; - tf->nsect = scsicmd[13]; - tf->lbal = scsicmd[9]; - tf->lbam = scsicmd[8]; - tf->lbah = scsicmd[7]; + tf->lbah = (block >> 16) & 0xff; + tf->lbam = (block >> 8) & 0xff; + tf->lbal = block & 0xff; - VPRINTK("sixteen-byte command\n"); - if (qc->nsect == 0) /* we don't support length==0 cmds */ + tf->device |= ATA_LBA; + } else { + /* CHS */ + u32 sect, head, cyl, track; + + /* The request -may- be too large for CHS addressing. */ + if ((block >> 28) || (n_block > 256)) return 1; - return 0; + + /* Convert LBA to CHS */ + track = (u32)block / dev->sectors; + cyl = track / dev->heads; + head = track % dev->heads; + sect = (u32)block % dev->sectors + 1; + + DPRINTK("block[%u] track[%u] cyl[%u] head[%u] sect[%u] \n", + (u32)block, track, cyl, head, sect); + + /* Check whether the converted CHS can fit. + Cylinder: 0-65535 + Head: 0-15 + Sector: 1-255*/ + if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect)) + return 1; + + qc->nsect = n_block; + tf->nsect = n_block & 0xff; /* Sector count 0 means 256 sectors */ + tf->lbal = sect; + tf->lbam = cyl; + tf->lbah = cyl >> 8; + tf->device |= head; } - DPRINTK("no-byte command\n"); - return 1; + return 0; } static int ata_scsi_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat) @@ -1246,10 +1303,20 @@ unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf, VPRINTK("ENTER\n"); - if (ata_id_has_lba48(args->id)) - n_sectors = ata_id_u64(args->id, 100); - else - n_sectors = ata_id_u32(args->id, 60); + if (ata_id_has_lba(args->id)) { + if (ata_id_has_lba48(args->id)) + n_sectors = ata_id_u64(args->id, 100); + else + n_sectors = ata_id_u32(args->id, 60); + } else { + /* CHS default translation */ + n_sectors = args->id[1] * args->id[3] * args->id[6]; + + if (ata_id_current_chs_valid(args->id)) + /* CHS current translation */ + n_sectors = ata_id_u32(args->id, 57); + } + n_sectors--; /* ATA TotalUserSectors - 1 */ if (args->cmd->cmnd[0] == READ_CAPACITY) { diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 4d09a6e4dd2..ad94367df43 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -2849,8 +2849,7 @@ sg_proc_init(void) struct proc_dir_entry *pdep; struct sg_proc_leaf * leaf; - sg_proc_sgp = create_proc_entry(sg_proc_sg_dirname, - S_IFDIR | S_IRUGO | S_IXUGO, NULL); + sg_proc_sgp = proc_mkdir(sg_proc_sg_dirname, NULL); if (!sg_proc_sgp) return 1; for (k = 0; k < num_leaves; ++k) { diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c index 78c1f36ad9b..87ef368384f 100644 --- a/drivers/serial/clps711x.c +++ b/drivers/serial/clps711x.c @@ -98,7 +98,7 @@ static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id, struct pt_regs *re { struct uart_port *port = dev_id; struct tty_struct *tty = port->info->tty; - unsigned int status, ch, flg, ignored = 0; + unsigned int status, ch, flg; status = clps_readl(SYSFLG(port)); while (!(status & SYSFLG_URXFE)) { diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index 4c985e6b378..4e1e80adaf1 100644 --- a/drivers/serial/imx.c +++ b/drivers/serial/imx.c @@ -860,7 +860,7 @@ imx_console_setup(struct console *co, char *options) return uart_set_options(&sport->port, co, baud, parity, bits, flow); } -extern struct uart_driver imx_reg; +static struct uart_driver imx_reg; static struct console imx_console = { .name = "ttySMX", .write = imx_console_write, diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c index 0c5c96a582b..f88fdd48068 100644 --- a/drivers/serial/ioc4_serial.c +++ b/drivers/serial/ioc4_serial.c @@ -973,18 +973,6 @@ static irqreturn_t ioc4_intr(int irq, void *arg, struct pt_regs *regs) this_ir &= ~this_mir; } } - if (this_ir) { - printk(KERN_ERR - "unknown IOC4 %s interrupt 0x%x, sio_ir = 0x%x," - " sio_ies = 0x%x, other_ir = 0x%x :" - "other_ies = 0x%x\n", - (intr_type == IOC4_SIO_INTR_TYPE) ? "sio" : - "other", this_ir, - readl(&soft->is_ioc4_misc_addr->sio_ir.raw), - readl(&soft->is_ioc4_misc_addr->sio_ies.raw), - readl(&soft->is_ioc4_misc_addr->other_ir.raw), - readl(&soft->is_ioc4_misc_addr->other_ies.raw)); - } } #ifdef DEBUG_INTERRUPTS { diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c index c361c6fb080..50d7870d92b 100644 --- a/drivers/serial/s3c2410.c +++ b/drivers/serial/s3c2410.c @@ -82,8 +82,6 @@ #include <asm/arch/regs-serial.h> #include <asm/arch/regs-gpio.h> -#include <asm/mach-types.h> - /* structures */ struct s3c24xx_uart_info { @@ -753,8 +751,8 @@ static void s3c24xx_serial_set_termios(struct uart_port *port, { struct s3c2410_uartcfg *cfg = s3c24xx_port_to_cfg(port); struct s3c24xx_uart_port *ourport = to_ourport(port); - struct s3c24xx_uart_clksrc *clksrc; - struct clk *clk; + struct s3c24xx_uart_clksrc *clksrc = NULL; + struct clk *clk = NULL; unsigned long flags; unsigned int baud, quot; unsigned int ulcon; diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index 1ae0b381c16..2c7d3ef76e8 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -859,6 +859,7 @@ static struct pcmcia_device_id serial_ids[] = { PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0175, 0x0000, "DP83903.cis"), PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0101, 0x0035, "3CXEM556.cis"), PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0101, 0x003d, "3CXEM556.cis"), + PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0x0710, "SW_7xx_SER.cis"), /* Sierra Wireless AC710/AC750 GPRS Network Adapter R1 */ PCMCIA_DEVICE_CIS_PROD_ID12("MultiTech", "PCMCIA 56K DataFax", 0x842047ee, 0xc2efcf03, "MT5634ZLX.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-4", 0x96913a85, 0xcec8f102, "COMpad4.cis"), PCMCIA_DEVICE_CIS_PROD_ID123("ADVANTECH", "COMpad-32/85", "1.0", 0x96913a85, 0x8fbe92ae, 0x0877b627, "COMpad2.cis"), diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index cbb451d227d..6385d1a99b6 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -242,7 +242,6 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message) case HC_STATE_SUSPENDED: /* no DMA or IRQs except when HC is active */ if (dev->current_state == PCI_D0) { - free_irq (hcd->irq, hcd); pci_save_state (dev); pci_disable_device (dev); } @@ -374,14 +373,6 @@ int usb_hcd_pci_resume (struct pci_dev *dev) hcd->state = HC_STATE_RESUMING; hcd->saw_irq = 0; - retval = request_irq (dev->irq, usb_hcd_irq, SA_SHIRQ, - hcd->irq_descr, hcd); - if (retval < 0) { - dev_err (hcd->self.controller, - "can't restore IRQ after resume!\n"); - usb_hc_died (hcd); - return retval; - } retval = hcd->driver->resume (hcd); if (!HC_IS_RUNNING (hcd->state)) { diff --git a/drivers/usb/host/ohci-lh7a404.c b/drivers/usb/host/ohci-lh7a404.c index 817620d7384..859aca7be75 100644 --- a/drivers/usb/host/ohci-lh7a404.c +++ b/drivers/usb/host/ohci-lh7a404.c @@ -17,8 +17,6 @@ */ #include <asm/hardware.h> -#include <asm/mach-types.h> -#include <asm/arch/hardware.h> extern int usb_disabled(void); diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 5cde76faab9..d8f3ba7ad52 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -18,7 +18,6 @@ #include <asm/io.h> #include <asm/mach-types.h> -#include <asm/arch/hardware.h> #include <asm/arch/mux.h> #include <asm/arch/irqs.h> #include <asm/arch/gpio.h> diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index 3d9bcf78a9a..da7d5478f74 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -20,7 +20,6 @@ */ #include <asm/hardware.h> -#include <asm/mach-types.h> #include <asm/hardware/clock.h> #include <asm/arch/usb-control.h> diff --git a/drivers/usb/media/vicam.c b/drivers/usb/media/vicam.c index 4a5857c53f1..0bc0b1247a6 100644 --- a/drivers/usb/media/vicam.c +++ b/drivers/usb/media/vicam.c @@ -1148,7 +1148,7 @@ vicam_write_proc_gain(struct file *file, const char *buffer, static void vicam_create_proc_root(void) { - vicam_proc_root = create_proc_entry("video/vicam", S_IFDIR, 0); + vicam_proc_root = proc_mkdir("video/vicam", NULL); if (vicam_proc_root) vicam_proc_root->owner = THIS_MODULE; @@ -1181,7 +1181,7 @@ vicam_create_proc_entry(struct vicam_camera *cam) sprintf(name, "video%d", cam->vdev.minor); - cam->proc_dir = create_proc_entry(name, S_IFDIR, vicam_proc_root); + cam->proc_dir = proc_mkdir(name, vicam_proc_root); if ( !cam->proc_dir ) return; // FIXME: We should probably return an error here diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 773ae11b4a1..1cd942abb58 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -768,6 +768,7 @@ config FB_INTEL select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_SOFT_CURSOR help This driver supports the on-board graphics built in to the Intel 830M/845G/852GM/855GM/865G chipsets. diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c index 046b4786026..8a24a66d9ba 100644 --- a/drivers/video/aty/radeon_base.c +++ b/drivers/video/aty/radeon_base.c @@ -475,7 +475,7 @@ static int __devinit radeon_probe_pll_params(struct radeonfb_info *rinfo) */ /* Flush PCI buffers ? */ - tmp = INREG(DEVICE_ID); + tmp = INREG16(DEVICE_ID); local_irq_disable(); diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c index 59a1b6f8506..097d668c4fe 100644 --- a/drivers/video/aty/radeon_pm.c +++ b/drivers/video/aty/radeon_pm.c @@ -62,9 +62,9 @@ static void radeon_pm_disable_dynamic_mode(struct radeonfb_info *rinfo) OUTPLL(pllSCLK_CNTL, tmp); return; } - /* RV350 (M10) */ + /* RV350 (M10/M11) */ if (rinfo->family == CHIP_FAMILY_RV350) { - /* for RV350/M10, no delays are required. */ + /* for RV350/M10/M11, no delays are required. */ tmp = INPLL(pllSCLK_CNTL2); tmp |= (SCLK_CNTL2__R300_FORCE_TCL | SCLK_CNTL2__R300_FORCE_GA | @@ -248,7 +248,7 @@ static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) return; } - /* M10 */ + /* M10/M11 */ if (rinfo->family == CHIP_FAMILY_RV350) { tmp = INPLL(pllSCLK_CNTL2); tmp &= ~(SCLK_CNTL2__R300_FORCE_TCL | @@ -1155,7 +1155,7 @@ static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo) OUTREG( CRTC_GEN_CNTL, (crtcGenCntl | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B) ); OUTREG( CRTC2_GEN_CNTL, (crtcGenCntl2 | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B) ); - /* This is the code for the Aluminium PowerBooks M10 */ + /* This is the code for the Aluminium PowerBooks M10 / iBooks M11 */ if (rinfo->family == CHIP_FAMILY_RV350) { u32 sdram_mode_reg = rinfo->save_regs[35]; static u32 default_mrtable[] = @@ -2741,9 +2741,11 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk) rinfo->pm_mode |= radeon_pm_d2; /* We can restart Jasper (M10 chip in albooks), BlueStone (7500 chip - * in some desktop G4s), and Via (M9+ chip on iBook G4) + * in some desktop G4s), Via (M9+ chip on iBook G4) and + * Snowy (M11 chip on iBook G4 manufactured after July 2005) */ - if (!strcmp(rinfo->of_node->name, "ATY,JasperParent")) { + if (!strcmp(rinfo->of_node->name, "ATY,JasperParent") || + !strcmp(rinfo->of_node->name, "ATY,SnowyParent")) { rinfo->reinit_func = radeon_reinitialize_M10; rinfo->pm_mode |= radeon_pm_off; } diff --git a/drivers/video/aty/radeonfb.h b/drivers/video/aty/radeonfb.h index 659bc9f6224..01b8b2f7851 100644 --- a/drivers/video/aty/radeonfb.h +++ b/drivers/video/aty/radeonfb.h @@ -395,6 +395,8 @@ static inline void _radeon_msleep(struct radeonfb_info *rinfo, unsigned long ms) #define INREG8(addr) readb((rinfo->mmio_base)+addr) #define OUTREG8(addr,val) writeb(val, (rinfo->mmio_base)+addr) +#define INREG16(addr) readw((rinfo->mmio_base)+addr) +#define OUTREG16(addr,val) writew(val, (rinfo->mmio_base)+addr) #define INREG(addr) readl((rinfo->mmio_base)+addr) #define OUTREG(addr,val) writel(val, (rinfo->mmio_base)+addr) diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c index 630f2dfa969..3c72c627e65 100644 --- a/drivers/video/backlight/corgi_bl.c +++ b/drivers/video/backlight/corgi_bl.c @@ -19,7 +19,6 @@ #include <linux/fb.h> #include <linux/backlight.h> -#include <asm/mach-types.h> #include <asm/arch/sharpsl.h> #define CORGI_DEFAULT_INTENSITY 0x1f diff --git a/drivers/video/cyblafb.c b/drivers/video/cyblafb.c index ae2762cb560..6992100a508 100644 --- a/drivers/video/cyblafb.c +++ b/drivers/video/cyblafb.c @@ -410,20 +410,21 @@ static void cyblafb_imageblit(struct fb_info *info, out32(GE0C,point(image->dx+image->width-1,image->dy+image->height-1)); while(index < index_end) { + const char *p = image->data + index; for(i=0;i<width_dds;i++) { - out32(GE9C,*((u32*) ((u32)image->data + index))); + out32(GE9C,*(u32*)p); + p+=4; index+=4; } switch(width_dbs) { case 0: break; - case 8: out32(GE9C,*((u8*)((u32)image->data+index))); + case 8: out32(GE9C,*(u8*)p); index+=1; break; - case 16: out32(GE9C,*((u16*)((u32)image->data+index))); + case 16: out32(GE9C,*(u16*)p); index+=2; break; - case 24: out32(GE9C,(u32)(*((u16*)((u32)image->data+index))) | - (u32)(*((u8*)((u32)image->data+index+2)))<<16); + case 24: out32(GE9C,*(u16*)p | *(u8*)(p+2)<<16); index+=3; break; } diff --git a/drivers/video/i810/i810-i2c.c b/drivers/video/i810/i810-i2c.c index fda53aac1fc..689d2586366 100644 --- a/drivers/video/i810/i810-i2c.c +++ b/drivers/video/i810/i810-i2c.c @@ -44,7 +44,7 @@ static void i810i2c_setscl(void *data, int state) { struct i810fb_i2c_chan *chan = (struct i810fb_i2c_chan *)data; struct i810fb_par *par = chan->par; - u8 *mmio = par->mmio_start_virtual; + u8 __iomem *mmio = par->mmio_start_virtual; i810_writel(mmio, GPIOB, (state ? SCL_VAL_OUT : 0) | SCL_DIR | SCL_DIR_MASK | SCL_VAL_MASK); @@ -55,7 +55,7 @@ static void i810i2c_setsda(void *data, int state) { struct i810fb_i2c_chan *chan = (struct i810fb_i2c_chan *)data; struct i810fb_par *par = chan->par; - u8 *mmio = par->mmio_start_virtual; + u8 __iomem *mmio = par->mmio_start_virtual; i810_writel(mmio, GPIOB, (state ? SDA_VAL_OUT : 0) | SDA_DIR | SDA_DIR_MASK | SDA_VAL_MASK); @@ -66,7 +66,7 @@ static int i810i2c_getscl(void *data) { struct i810fb_i2c_chan *chan = (struct i810fb_i2c_chan *)data; struct i810fb_par *par = chan->par; - u8 *mmio = par->mmio_start_virtual; + u8 __iomem *mmio = par->mmio_start_virtual; i810_writel(mmio, GPIOB, SCL_DIR_MASK); i810_writel(mmio, GPIOB, 0); @@ -77,7 +77,7 @@ static int i810i2c_getsda(void *data) { struct i810fb_i2c_chan *chan = (struct i810fb_i2c_chan *)data; struct i810fb_par *par = chan->par; - u8 *mmio = par->mmio_start_virtual; + u8 __iomem *mmio = par->mmio_start_virtual; i810_writel(mmio, GPIOB, SDA_DIR_MASK); i810_writel(mmio, GPIOB, 0); @@ -88,7 +88,7 @@ static void i810ddc_setscl(void *data, int state) { struct i810fb_i2c_chan *chan = (struct i810fb_i2c_chan *)data; struct i810fb_par *par = chan->par; - u8 *mmio = par->mmio_start_virtual; + u8 __iomem *mmio = par->mmio_start_virtual; i810_writel(mmio, GPIOA, (state ? SCL_VAL_OUT : 0) | SCL_DIR | SCL_DIR_MASK | SCL_VAL_MASK); @@ -99,7 +99,7 @@ static void i810ddc_setsda(void *data, int state) { struct i810fb_i2c_chan *chan = (struct i810fb_i2c_chan *)data; struct i810fb_par *par = chan->par; - u8 *mmio = par->mmio_start_virtual; + u8 __iomem *mmio = par->mmio_start_virtual; i810_writel(mmio, GPIOA, (state ? SDA_VAL_OUT : 0) | SDA_DIR | SDA_DIR_MASK | SDA_VAL_MASK); @@ -110,7 +110,7 @@ static int i810ddc_getscl(void *data) { struct i810fb_i2c_chan *chan = (struct i810fb_i2c_chan *)data; struct i810fb_par *par = chan->par; - u8 *mmio = par->mmio_start_virtual; + u8 __iomem *mmio = par->mmio_start_virtual; i810_writel(mmio, GPIOA, SCL_DIR_MASK); i810_writel(mmio, GPIOA, 0); @@ -121,7 +121,7 @@ static int i810ddc_getsda(void *data) { struct i810fb_i2c_chan *chan = (struct i810fb_i2c_chan *)data; struct i810fb_par *par = chan->par; - u8 *mmio = par->mmio_start_virtual; + u8 __iomem *mmio = par->mmio_start_virtual; i810_writel(mmio, GPIOA, SDA_DIR_MASK); i810_writel(mmio, GPIOA, 0); diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index 6c2244cf0e7..1d54d3d6960 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c @@ -36,7 +36,6 @@ #include <asm/hardware.h> #include <asm/io.h> -#include <asm/mach-types.h> #include <asm/uaccess.h> #include <asm/arch/imxfb.h> diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index bf62e6ed038..80a09344f1a 100644 --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -226,7 +226,7 @@ MODULE_DEVICE_TABLE(pci, intelfb_pci_table); static int accel = 1; static int vram = 4; -static int hwcursor = 1; +static int hwcursor = 0; static int mtrr = 1; static int fixed = 0; static int noinit = 0; @@ -609,15 +609,9 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) dinfo->accel = 0; } - if (MB(voffset) < stolen_size) - offset = (stolen_size >> 12); - else - offset = ROUND_UP_TO_PAGE(MB(voffset))/GTT_PAGE_SIZE; - /* Framebuffer parameters - Use all the stolen memory if >= vram */ - if (ROUND_UP_TO_PAGE(stolen_size) >= ((offset << 12) + MB(vram))) { + if (ROUND_UP_TO_PAGE(stolen_size) >= MB(vram)) { dinfo->fb.size = ROUND_UP_TO_PAGE(stolen_size); - dinfo->fb.offset = 0; dinfo->fbmem_gart = 0; } else { dinfo->fb.size = MB(vram); @@ -648,6 +642,11 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) return -ENODEV; } + if (MB(voffset) < stolen_size) + offset = (stolen_size >> 12); + else + offset = ROUND_UP_TO_PAGE(MB(voffset))/GTT_PAGE_SIZE; + /* set the mem offsets - set them after the already used pages */ if (dinfo->accel) { dinfo->ring.offset = offset + gtt_info.current_memory; @@ -662,10 +661,11 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) + (dinfo->cursor.size >> 12); } + /* Allocate memories (which aren't stolen) */ /* Map the fb and MMIO regions */ /* ioremap only up to the end of used aperture */ dinfo->aperture.virtual = (u8 __iomem *)ioremap_nocache - (dinfo->aperture.physical, (dinfo->fb.offset << 12) + (dinfo->aperture.physical, ((offset + dinfo->fb.offset) << 12) + dinfo->fb.size); if (!dinfo->aperture.virtual) { ERR_MSG("Cannot remap FB region.\n"); @@ -682,7 +682,6 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) return -ENODEV; } - /* Allocate memories (which aren't stolen) */ if (dinfo->accel) { if (!(dinfo->gtt_ring_mem = agp_allocate_memory(bridge, dinfo->ring.size >> 12, @@ -1484,7 +1483,7 @@ intelfb_cursor(struct fb_info *info, struct fb_cursor *cursor) #endif if (!dinfo->hwcursor) - return -ENXIO; + return soft_cursor(info, cursor); intelfbhw_cursor_hide(dinfo); diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 34d4dcc0320..194eed0a238 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -260,9 +260,9 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) } #ifdef CONFIG_CPU_FREQ - DPRINTK("dma period = %d ps, clock = %d kHz\n", - pxafb_display_dma_period(var), - get_clk_frequency_khz(0)); + pr_debug("pxafb: dma period = %d ps, clock = %d kHz\n", + pxafb_display_dma_period(var), + get_clk_frequency_khz(0)); #endif return 0; @@ -270,7 +270,7 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) static inline void pxafb_set_truecolor(u_int is_true_color) { - DPRINTK("true_color = %d\n", is_true_color); + pr_debug("pxafb: true_color = %d\n", is_true_color); // do your machine-specific setup if needed } @@ -284,7 +284,7 @@ static int pxafb_set_par(struct fb_info *info) struct fb_var_screeninfo *var = &info->var; unsigned long palette_mem_size; - DPRINTK("set_par\n"); + pr_debug("pxafb: set_par\n"); if (var->bits_per_pixel == 16) fbi->fb.fix.visual = FB_VISUAL_TRUECOLOR; @@ -308,7 +308,7 @@ static int pxafb_set_par(struct fb_info *info) palette_mem_size = fbi->palette_size * sizeof(u16); - DPRINTK("palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size); + pr_debug("pxafb: palette_mem_size = 0x%08lx\n", palette_mem_size); fbi->palette_cpu = (u16 *)(fbi->map_cpu + PAGE_SIZE - palette_mem_size); fbi->palette_dma = fbi->map_dma + PAGE_SIZE - palette_mem_size; @@ -369,7 +369,7 @@ static int pxafb_blank(int blank, struct fb_info *info) struct pxafb_info *fbi = (struct pxafb_info *)info; int i; - DPRINTK("pxafb_blank: blank=%d\n", blank); + pr_debug("pxafb: blank=%d\n", blank); switch (blank) { case FB_BLANK_POWERDOWN: @@ -508,15 +508,15 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, struct pxafb_info * u_long flags; u_int lines_per_panel, pcd = get_pcd(var->pixclock); - DPRINTK("Configuring PXA LCD\n"); + pr_debug("pxafb: Configuring PXA LCD\n"); - DPRINTK("var: xres=%d hslen=%d lm=%d rm=%d\n", - var->xres, var->hsync_len, - var->left_margin, var->right_margin); - DPRINTK("var: yres=%d vslen=%d um=%d bm=%d\n", - var->yres, var->vsync_len, - var->upper_margin, var->lower_margin); - DPRINTK("var: pixclock=%d pcd=%d\n", var->pixclock, pcd); + pr_debug("var: xres=%d hslen=%d lm=%d rm=%d\n", + var->xres, var->hsync_len, + var->left_margin, var->right_margin); + pr_debug("var: yres=%d vslen=%d um=%d bm=%d\n", + var->yres, var->vsync_len, + var->upper_margin, var->lower_margin); + pr_debug("var: pixclock=%d pcd=%d\n", var->pixclock, pcd); #if DEBUG_VAR if (var->xres < 16 || var->xres > 1024) @@ -589,10 +589,10 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, struct pxafb_info * if (pcd) new_regs.lccr3 |= LCCR3_PixClkDiv(pcd); - DPRINTK("nlccr0 = 0x%08x\n", new_regs.lccr0); - DPRINTK("nlccr1 = 0x%08x\n", new_regs.lccr1); - DPRINTK("nlccr2 = 0x%08x\n", new_regs.lccr2); - DPRINTK("nlccr3 = 0x%08x\n", new_regs.lccr3); + pr_debug("nlccr0 = 0x%08x\n", new_regs.lccr0); + pr_debug("nlccr1 = 0x%08x\n", new_regs.lccr1); + pr_debug("nlccr2 = 0x%08x\n", new_regs.lccr2); + pr_debug("nlccr3 = 0x%08x\n", new_regs.lccr3); /* Update shadow copy atomically */ local_irq_save(flags); @@ -637,24 +637,24 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, struct pxafb_info * } #if 0 - DPRINTK("fbi->dmadesc_fblow_cpu = 0x%p\n", fbi->dmadesc_fblow_cpu); - DPRINTK("fbi->dmadesc_fbhigh_cpu = 0x%p\n", fbi->dmadesc_fbhigh_cpu); - DPRINTK("fbi->dmadesc_palette_cpu = 0x%p\n", fbi->dmadesc_palette_cpu); - DPRINTK("fbi->dmadesc_fblow_dma = 0x%x\n", fbi->dmadesc_fblow_dma); - DPRINTK("fbi->dmadesc_fbhigh_dma = 0x%x\n", fbi->dmadesc_fbhigh_dma); - DPRINTK("fbi->dmadesc_palette_dma = 0x%x\n", fbi->dmadesc_palette_dma); - - DPRINTK("fbi->dmadesc_fblow_cpu->fdadr = 0x%x\n", fbi->dmadesc_fblow_cpu->fdadr); - DPRINTK("fbi->dmadesc_fbhigh_cpu->fdadr = 0x%x\n", fbi->dmadesc_fbhigh_cpu->fdadr); - DPRINTK("fbi->dmadesc_palette_cpu->fdadr = 0x%x\n", fbi->dmadesc_palette_cpu->fdadr); - - DPRINTK("fbi->dmadesc_fblow_cpu->fsadr = 0x%x\n", fbi->dmadesc_fblow_cpu->fsadr); - DPRINTK("fbi->dmadesc_fbhigh_cpu->fsadr = 0x%x\n", fbi->dmadesc_fbhigh_cpu->fsadr); - DPRINTK("fbi->dmadesc_palette_cpu->fsadr = 0x%x\n", fbi->dmadesc_palette_cpu->fsadr); - - DPRINTK("fbi->dmadesc_fblow_cpu->ldcmd = 0x%x\n", fbi->dmadesc_fblow_cpu->ldcmd); - DPRINTK("fbi->dmadesc_fbhigh_cpu->ldcmd = 0x%x\n", fbi->dmadesc_fbhigh_cpu->ldcmd); - DPRINTK("fbi->dmadesc_palette_cpu->ldcmd = 0x%x\n", fbi->dmadesc_palette_cpu->ldcmd); + pr_debug("fbi->dmadesc_fblow_cpu = 0x%p\n", fbi->dmadesc_fblow_cpu); + pr_debug("fbi->dmadesc_fbhigh_cpu = 0x%p\n", fbi->dmadesc_fbhigh_cpu); + pr_debug("fbi->dmadesc_palette_cpu = 0x%p\n", fbi->dmadesc_palette_cpu); + pr_debug("fbi->dmadesc_fblow_dma = 0x%x\n", fbi->dmadesc_fblow_dma); + pr_debug("fbi->dmadesc_fbhigh_dma = 0x%x\n", fbi->dmadesc_fbhigh_dma); + pr_debug("fbi->dmadesc_palette_dma = 0x%x\n", fbi->dmadesc_palette_dma); + + pr_debug("fbi->dmadesc_fblow_cpu->fdadr = 0x%x\n", fbi->dmadesc_fblow_cpu->fdadr); + pr_debug("fbi->dmadesc_fbhigh_cpu->fdadr = 0x%x\n", fbi->dmadesc_fbhigh_cpu->fdadr); + pr_debug("fbi->dmadesc_palette_cpu->fdadr = 0x%x\n", fbi->dmadesc_palette_cpu->fdadr); + + pr_debug("fbi->dmadesc_fblow_cpu->fsadr = 0x%x\n", fbi->dmadesc_fblow_cpu->fsadr); + pr_debug("fbi->dmadesc_fbhigh_cpu->fsadr = 0x%x\n", fbi->dmadesc_fbhigh_cpu->fsadr); + pr_debug("fbi->dmadesc_palette_cpu->fsadr = 0x%x\n", fbi->dmadesc_palette_cpu->fsadr); + + pr_debug("fbi->dmadesc_fblow_cpu->ldcmd = 0x%x\n", fbi->dmadesc_fblow_cpu->ldcmd); + pr_debug("fbi->dmadesc_fbhigh_cpu->ldcmd = 0x%x\n", fbi->dmadesc_fbhigh_cpu->ldcmd); + pr_debug("fbi->dmadesc_palette_cpu->ldcmd = 0x%x\n", fbi->dmadesc_palette_cpu->ldcmd); #endif fbi->reg_lccr0 = new_regs.lccr0; @@ -684,7 +684,7 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, struct pxafb_info * */ static inline void __pxafb_backlight_power(struct pxafb_info *fbi, int on) { - DPRINTK("backlight o%s\n", on ? "n" : "ff"); + pr_debug("pxafb: backlight o%s\n", on ? "n" : "ff"); if (pxafb_backlight_power) pxafb_backlight_power(on); @@ -692,7 +692,7 @@ static inline void __pxafb_backlight_power(struct pxafb_info *fbi, int on) static inline void __pxafb_lcd_power(struct pxafb_info *fbi, int on) { - DPRINTK("LCD power o%s\n", on ? "n" : "ff"); + pr_debug("pxafb: LCD power o%s\n", on ? "n" : "ff"); if (pxafb_lcd_power) pxafb_lcd_power(on); @@ -740,13 +740,13 @@ static void pxafb_setup_gpio(struct pxafb_info *fbi) static void pxafb_enable_controller(struct pxafb_info *fbi) { - DPRINTK("Enabling LCD controller\n"); - DPRINTK("fdadr0 0x%08x\n", (unsigned int) fbi->fdadr0); - DPRINTK("fdadr1 0x%08x\n", (unsigned int) fbi->fdadr1); - DPRINTK("reg_lccr0 0x%08x\n", (unsigned int) fbi->reg_lccr0); - DPRINTK("reg_lccr1 0x%08x\n", (unsigned int) fbi->reg_lccr1); - DPRINTK("reg_lccr2 0x%08x\n", (unsigned int) fbi->reg_lccr2); - DPRINTK("reg_lccr3 0x%08x\n", (unsigned int) fbi->reg_lccr3); + pr_debug("pxafb: Enabling LCD controller\n"); + pr_debug("fdadr0 0x%08x\n", (unsigned int) fbi->fdadr0); + pr_debug("fdadr1 0x%08x\n", (unsigned int) fbi->fdadr1); + pr_debug("reg_lccr0 0x%08x\n", (unsigned int) fbi->reg_lccr0); + pr_debug("reg_lccr1 0x%08x\n", (unsigned int) fbi->reg_lccr1); + pr_debug("reg_lccr2 0x%08x\n", (unsigned int) fbi->reg_lccr2); + pr_debug("reg_lccr3 0x%08x\n", (unsigned int) fbi->reg_lccr3); /* enable LCD controller clock */ pxa_set_cken(CKEN16_LCD, 1); @@ -761,19 +761,19 @@ static void pxafb_enable_controller(struct pxafb_info *fbi) FDADR1 = fbi->fdadr1; LCCR0 |= LCCR0_ENB; - DPRINTK("FDADR0 0x%08x\n", (unsigned int) FDADR0); - DPRINTK("FDADR1 0x%08x\n", (unsigned int) FDADR1); - DPRINTK("LCCR0 0x%08x\n", (unsigned int) LCCR0); - DPRINTK("LCCR1 0x%08x\n", (unsigned int) LCCR1); - DPRINTK("LCCR2 0x%08x\n", (unsigned int) LCCR2); - DPRINTK("LCCR3 0x%08x\n", (unsigned int) LCCR3); + pr_debug("FDADR0 0x%08x\n", (unsigned int) FDADR0); + pr_debug("FDADR1 0x%08x\n", (unsigned int) FDADR1); + pr_debug("LCCR0 0x%08x\n", (unsigned int) LCCR0); + pr_debug("LCCR1 0x%08x\n", (unsigned int) LCCR1); + pr_debug("LCCR2 0x%08x\n", (unsigned int) LCCR2); + pr_debug("LCCR3 0x%08x\n", (unsigned int) LCCR3); } static void pxafb_disable_controller(struct pxafb_info *fbi) { DECLARE_WAITQUEUE(wait, current); - DPRINTK("Disabling LCD controller\n"); + pr_debug("pxafb: disabling LCD controller\n"); set_current_state(TASK_UNINTERRUPTIBLE); add_wait_queue(&fbi->ctrlr_wait, &wait); @@ -1039,7 +1039,7 @@ static int __init pxafb_map_video_memory(struct pxafb_info *fbi) fbi->palette_size = fbi->fb.var.bits_per_pixel == 8 ? 256 : 16; palette_mem_size = fbi->palette_size * sizeof(u16); - DPRINTK("palette_mem_size = 0x%08lx\n", (u_long) palette_mem_size); + pr_debug("pxafb: palette_mem_size = 0x%08lx\n", palette_mem_size); fbi->palette_cpu = (u16 *)(fbi->map_cpu + PAGE_SIZE - palette_mem_size); fbi->palette_dma = fbi->map_dma + PAGE_SIZE - palette_mem_size; diff --git a/drivers/video/pxafb.h b/drivers/video/pxafb.h index 22c00be786a..47f41f70db7 100644 --- a/drivers/video/pxafb.h +++ b/drivers/video/pxafb.h @@ -114,15 +114,6 @@ struct pxafb_info { #define PXA_NAME "PXA" /* - * Debug macros - */ -#if DEBUG -# define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ## args) -#else -# define DPRINTK(fmt, args...) -#endif - -/* * Minimum X and Y resolutions */ #define MIN_XRES 64 diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c index 00c0223a352..5ab79afb53b 100644 --- a/drivers/video/s3c2410fb.c +++ b/drivers/video/s3c2410fb.c @@ -228,8 +228,8 @@ static int s3c2410fb_check_var(struct fb_var_screeninfo *var, * information */ -static int s3c2410fb_activate_var(struct s3c2410fb_info *fbi, - struct fb_var_screeninfo *var) +static void s3c2410fb_activate_var(struct s3c2410fb_info *fbi, + struct fb_var_screeninfo *var) { fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_MODEMASK; diff --git a/fs/9p/fid.c b/fs/9p/fid.c index 821c9c4d76a..d95f8626d17 100644 --- a/fs/9p/fid.c +++ b/fs/9p/fid.c @@ -71,21 +71,28 @@ static int v9fs_fid_insert(struct v9fs_fid *fid, struct dentry *dentry) * */ -struct v9fs_fid *v9fs_fid_create(struct dentry *dentry) +struct v9fs_fid *v9fs_fid_create(struct dentry *dentry, + struct v9fs_session_info *v9ses, int fid, int create) { struct v9fs_fid *new; + dprintk(DEBUG_9P, "fid create dentry %p, fid %d, create %d\n", + dentry, fid, create); + new = kmalloc(sizeof(struct v9fs_fid), GFP_KERNEL); if (new == NULL) { dprintk(DEBUG_ERROR, "Out of Memory\n"); return ERR_PTR(-ENOMEM); } - new->fid = -1; + new->fid = fid; + new->v9ses = v9ses; new->fidopen = 0; - new->fidcreate = 0; + new->fidcreate = create; new->fidclunked = 0; new->iounit = 0; + new->rdir_pos = 0; + new->rdir_fcall = NULL; if (v9fs_fid_insert(new, dentry) == 0) return new; @@ -109,6 +116,59 @@ void v9fs_fid_destroy(struct v9fs_fid *fid) } /** + * v9fs_fid_walk_up - walks from the process current directory + * up to the specified dentry. + */ +static struct v9fs_fid *v9fs_fid_walk_up(struct dentry *dentry) +{ + int fidnum, cfidnum, err; + struct v9fs_fid *cfid; + struct dentry *cde; + struct v9fs_session_info *v9ses; + + v9ses = v9fs_inode2v9ses(current->fs->pwd->d_inode); + cfid = v9fs_fid_lookup(current->fs->pwd); + if (cfid == NULL) { + dprintk(DEBUG_ERROR, "process cwd doesn't have a fid\n"); + return ERR_PTR(-ENOENT); + } + + cfidnum = cfid->fid; + cde = current->fs->pwd; + /* TODO: take advantage of multiwalk */ + + fidnum = v9fs_get_idpool(&v9ses->fidpool); + if (fidnum < 0) { + dprintk(DEBUG_ERROR, "could not get a new fid num\n"); + err = -ENOENT; + goto clunk_fid; + } + + while (cde != dentry) { + if (cde == cde->d_parent) { + dprintk(DEBUG_ERROR, "can't find dentry\n"); + err = -ENOENT; + goto clunk_fid; + } + + err = v9fs_t_walk(v9ses, cfidnum, fidnum, "..", NULL); + if (err < 0) { + dprintk(DEBUG_ERROR, "problem walking to parent\n"); + goto clunk_fid; + } + + cfidnum = fidnum; + cde = cde->d_parent; + } + + return v9fs_fid_create(dentry, v9ses, fidnum, 0); + +clunk_fid: + v9fs_t_clunk(v9ses, fidnum, NULL); + return ERR_PTR(err); +} + +/** * v9fs_fid_lookup - retrieve the right fid from a particular dentry * @dentry: dentry to look for fid in * @type: intent of lookup (operation or traversal) @@ -119,49 +179,25 @@ void v9fs_fid_destroy(struct v9fs_fid *fid) * */ -struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type) +struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry) { struct list_head *fid_list = (struct list_head *)dentry->d_fsdata; struct v9fs_fid *current_fid = NULL; struct v9fs_fid *temp = NULL; struct v9fs_fid *return_fid = NULL; - int found_parent = 0; - int found_user = 0; - dprintk(DEBUG_9P, " dentry: %s (%p) type %d\n", dentry->d_iname, dentry, - type); + dprintk(DEBUG_9P, " dentry: %s (%p)\n", dentry->d_iname, dentry); - if (fid_list && !list_empty(fid_list)) { + if (fid_list) { list_for_each_entry_safe(current_fid, temp, fid_list, list) { - if (current_fid->uid == current->uid) { - if (return_fid == NULL) { - if ((type == FID_OP) - || (!current_fid->fidopen)) { - return_fid = current_fid; - found_user = 1; - } - } - } - if (current_fid->pid == current->real_parent->pid) { - if ((return_fid == NULL) || (found_parent) - || (found_user)) { - if ((type == FID_OP) - || (!current_fid->fidopen)) { - return_fid = current_fid; - found_parent = 1; - found_user = 0; - } - } - } - if (current_fid->pid == current->pid) { - if ((type == FID_OP) || - (!current_fid->fidopen)) { - return_fid = current_fid; - found_parent = 0; - found_user = 0; - } + if (!current_fid->fidcreate) { + return_fid = current_fid; + break; } } + + if (!return_fid) + return_fid = current_fid; } /* we are at the root but didn't match */ @@ -187,55 +223,33 @@ struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type) /* XXX - there may be some duplication we can get rid of */ if (par == dentry) { - /* we need to fid_lookup the starting point */ - int fidnum = -1; - int oldfid = -1; - int result = -1; - struct v9fs_session_info *v9ses = - v9fs_inode2v9ses(current->fs->pwd->d_inode); - - current_fid = - v9fs_fid_lookup(current->fs->pwd, FID_WALK); - if (current_fid == NULL) { - dprintk(DEBUG_ERROR, - "process cwd doesn't have a fid\n"); - return return_fid; - } - oldfid = current_fid->fid; - par = current->fs->pwd; - /* TODO: take advantage of multiwalk */ + return_fid = v9fs_fid_walk_up(dentry); + if (IS_ERR(return_fid)) + return_fid = NULL; + } + } - fidnum = v9fs_get_idpool(&v9ses->fidpool); - if (fidnum < 0) { - dprintk(DEBUG_ERROR, - "could not get a new fid num\n"); - return return_fid; - } + return return_fid; +} - while (par != dentry) { - result = - v9fs_t_walk(v9ses, oldfid, fidnum, "..", - NULL); - if (result < 0) { - dprintk(DEBUG_ERROR, - "problem walking to parent\n"); - - break; - } - oldfid = fidnum; - if (par == par->d_parent) { - dprintk(DEBUG_ERROR, - "can't find dentry\n"); - break; - } - par = par->d_parent; - } - if (par == dentry) { - return_fid = v9fs_fid_create(dentry); - return_fid->fid = fidnum; +struct v9fs_fid *v9fs_fid_get_created(struct dentry *dentry) +{ + struct list_head *fid_list; + struct v9fs_fid *fid, *ftmp, *ret; + + dprintk(DEBUG_9P, " dentry: %s (%p)\n", dentry->d_iname, dentry); + fid_list = (struct list_head *)dentry->d_fsdata; + ret = NULL; + if (fid_list) { + list_for_each_entry_safe(fid, ftmp, fid_list, list) { + if (fid->fidcreate && fid->pid == current->pid) { + list_del(&fid->list); + ret = fid; + break; } } } - return return_fid; + dprintk(DEBUG_9P, "return %p\n", ret); + return ret; } diff --git a/fs/9p/fid.h b/fs/9p/fid.h index 7db478ccca3..84c673a44c8 100644 --- a/fs/9p/fid.h +++ b/fs/9p/fid.h @@ -25,6 +25,7 @@ #define FID_OP 0 #define FID_WALK 1 +#define FID_CREATE 2 struct v9fs_fid { struct list_head list; /* list of fids associated with a dentry */ @@ -52,6 +53,8 @@ struct v9fs_fid { struct v9fs_session_info *v9ses; /* session info for this FID */ }; -struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type); +struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry); +struct v9fs_fid *v9fs_fid_get_created(struct dentry *); void v9fs_fid_destroy(struct v9fs_fid *fid); -struct v9fs_fid *v9fs_fid_create(struct dentry *); +struct v9fs_fid *v9fs_fid_create(struct dentry *, + struct v9fs_session_info *v9ses, int fid, int create); diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c index 306c96741f8..a6aa947de0f 100644 --- a/fs/9p/vfs_dentry.c +++ b/fs/9p/vfs_dentry.c @@ -67,7 +67,7 @@ static int v9fs_dentry_validate(struct dentry *dentry, struct nameidata *nd) struct dentry *dc = current->fs->pwd; dprintk(DEBUG_VFS, "dentry: %s (%p)\n", dentry->d_iname, dentry); - if (v9fs_fid_lookup(dentry, FID_OP)) { + if (v9fs_fid_lookup(dentry)) { dprintk(DEBUG_VFS, "VALID\n"); return 1; } diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c index c478a738418..57a43b8feef 100644 --- a/fs/9p/vfs_dir.c +++ b/fs/9p/vfs_dir.c @@ -197,21 +197,18 @@ int v9fs_dir_release(struct inode *inode, struct file *filp) filemap_fdatawait(inode->i_mapping); if (fidnum >= 0) { - fid->fidopen--; dprintk(DEBUG_VFS, "fidopen: %d v9f->fid: %d\n", fid->fidopen, fid->fid); - if (fid->fidopen == 0) { - if (v9fs_t_clunk(v9ses, fidnum, NULL)) - dprintk(DEBUG_ERROR, "clunk failed\n"); + if (v9fs_t_clunk(v9ses, fidnum, NULL)) + dprintk(DEBUG_ERROR, "clunk failed\n"); - v9fs_put_idpool(fid->fid, &v9ses->fidpool); - } + v9fs_put_idpool(fid->fid, &v9ses->fidpool); kfree(fid->rdir_fcall); + kfree(fid); filp->private_data = NULL; - v9fs_fid_destroy(fid); } d_drop(filp->f_dentry); diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 1f8ae7d580a..a4799e971d1 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -53,30 +53,36 @@ int v9fs_file_open(struct inode *inode, struct file *file) { struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode); - struct v9fs_fid *v9fid = v9fs_fid_lookup(file->f_dentry, FID_WALK); - struct v9fs_fid *v9newfid = NULL; + struct v9fs_fid *v9fid, *fid; struct v9fs_fcall *fcall = NULL; int open_mode = 0; unsigned int iounit = 0; int newfid = -1; long result = -1; - dprintk(DEBUG_VFS, "inode: %p file: %p v9fid= %p\n", inode, file, - v9fid); + dprintk(DEBUG_VFS, "inode: %p file: %p \n", inode, file); + + v9fid = v9fs_fid_get_created(file->f_dentry); + if (!v9fid) + v9fid = v9fs_fid_lookup(file->f_dentry); if (!v9fid) { - struct dentry *dentry = file->f_dentry; dprintk(DEBUG_ERROR, "Couldn't resolve fid from dentry\n"); + return -EBADF; + } - /* XXX - some duplication from lookup, generalize later */ - /* basically vfs_lookup is too heavy weight */ - v9fid = v9fs_fid_lookup(file->f_dentry, FID_OP); - if (!v9fid) - return -EBADF; + if (!v9fid->fidcreate) { + fid = kmalloc(sizeof(struct v9fs_fid), GFP_KERNEL); + if (fid == NULL) { + dprintk(DEBUG_ERROR, "Out of Memory\n"); + return -ENOMEM; + } - v9fid = v9fs_fid_lookup(dentry->d_parent, FID_WALK); - if (!v9fid) - return -EBADF; + fid->fidopen = 0; + fid->fidcreate = 0; + fid->fidclunked = 0; + fid->iounit = 0; + fid->v9ses = v9ses; newfid = v9fs_get_idpool(&v9ses->fidpool); if (newfid < 0) { @@ -85,58 +91,16 @@ int v9fs_file_open(struct inode *inode, struct file *file) } result = - v9fs_t_walk(v9ses, v9fid->fid, newfid, - (char *)file->f_dentry->d_name.name, NULL); + v9fs_t_walk(v9ses, v9fid->fid, newfid, NULL, NULL); + if (result < 0) { v9fs_put_idpool(newfid, &v9ses->fidpool); dprintk(DEBUG_ERROR, "rewalk didn't work\n"); return -EBADF; } - v9fid = v9fs_fid_create(dentry); - if (v9fid == NULL) { - dprintk(DEBUG_ERROR, "couldn't insert\n"); - return -ENOMEM; - } - v9fid->fid = newfid; - } - - if (v9fid->fidcreate) { - /* create case */ - newfid = v9fid->fid; - iounit = v9fid->iounit; - v9fid->fidcreate = 0; - } else { - if (!S_ISDIR(inode->i_mode)) - newfid = v9fid->fid; - else { - newfid = v9fs_get_idpool(&v9ses->fidpool); - if (newfid < 0) { - eprintk(KERN_WARNING, "allocation failed\n"); - return -ENOSPC; - } - /* This would be a somewhat critical clone */ - result = - v9fs_t_walk(v9ses, v9fid->fid, newfid, NULL, - &fcall); - if (result < 0) { - dprintk(DEBUG_ERROR, "clone error: %s\n", - FCALL_ERROR(fcall)); - kfree(fcall); - return result; - } - - v9newfid = v9fs_fid_create(file->f_dentry); - v9newfid->fid = newfid; - v9newfid->qid = v9fid->qid; - v9newfid->iounit = v9fid->iounit; - v9newfid->fidopen = 0; - v9newfid->fidclunked = 0; - v9newfid->v9ses = v9ses; - v9fid = v9newfid; - kfree(fcall); - } - + fid->fid = newfid; + v9fid = fid; /* TODO: do special things for O_EXCL, O_NOFOLLOW, O_SYNC */ /* translate open mode appropriately */ open_mode = file->f_flags & 0x3; @@ -163,9 +127,13 @@ int v9fs_file_open(struct inode *inode, struct file *file) iounit = fcall->params.ropen.iounit; kfree(fcall); + } else { + /* create case */ + newfid = v9fid->fid; + iounit = v9fid->iounit; + v9fid->fidcreate = 0; } - file->private_data = v9fid; v9fid->rdir_pos = 0; diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index b16322db5ce..2b696ae6655 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -307,7 +307,7 @@ v9fs_create(struct inode *dir, struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir); struct super_block *sb = dir->i_sb; struct v9fs_fid *dirfid = - v9fs_fid_lookup(file_dentry->d_parent, FID_WALK); + v9fs_fid_lookup(file_dentry->d_parent); struct v9fs_fid *fid = NULL; struct inode *file_inode = NULL; struct v9fs_fcall *fcall = NULL; @@ -317,6 +317,7 @@ v9fs_create(struct inode *dir, long newfid = -1; int result = 0; unsigned int iounit = 0; + int wfidno = -1; perm = unixmode2p9mode(v9ses, perm); @@ -350,7 +351,7 @@ v9fs_create(struct inode *dir, if (result < 0) { dprintk(DEBUG_ERROR, "clone error: %s\n", FCALL_ERROR(fcall)); v9fs_put_idpool(newfid, &v9ses->fidpool); - newfid = 0; + newfid = -1; goto CleanUpFid; } @@ -369,20 +370,39 @@ v9fs_create(struct inode *dir, qid = fcall->params.rcreate.qid; kfree(fcall); - fid = v9fs_fid_create(file_dentry); + fid = v9fs_fid_create(file_dentry, v9ses, newfid, 1); + dprintk(DEBUG_VFS, "fid %p %d\n", fid, fid->fidcreate); if (!fid) { result = -ENOMEM; goto CleanUpFid; } - fid->fid = newfid; - fid->fidopen = 0; - fid->fidcreate = 1; fid->qid = qid; fid->iounit = iounit; - fid->rdir_pos = 0; - fid->rdir_fcall = NULL; - fid->v9ses = v9ses; + + /* walk to the newly created file and put the fid in the dentry */ + wfidno = v9fs_get_idpool(&v9ses->fidpool); + if (newfid < 0) { + eprintk(KERN_WARNING, "no free fids available\n"); + return -ENOSPC; + } + + result = v9fs_t_walk(v9ses, dirfidnum, wfidno, + (char *) file_dentry->d_name.name, NULL); + if (result < 0) { + dprintk(DEBUG_ERROR, "clone error: %s\n", FCALL_ERROR(fcall)); + v9fs_put_idpool(wfidno, &v9ses->fidpool); + wfidno = -1; + goto CleanUpFid; + } + + if (!v9fs_fid_create(file_dentry, v9ses, wfidno, 0)) { + if (!v9fs_t_clunk(v9ses, newfid, &fcall)) { + v9fs_put_idpool(wfidno, &v9ses->fidpool); + } + + goto CleanUpFid; + } if ((perm & V9FS_DMSYMLINK) || (perm & V9FS_DMLINK) || (perm & V9FS_DMNAMEDPIPE) || (perm & V9FS_DMSOCKET) || @@ -410,11 +430,11 @@ v9fs_create(struct inode *dir, d_instantiate(file_dentry, file_inode); if (perm & V9FS_DMDIR) { - if (v9fs_t_clunk(v9ses, newfid, &fcall)) + if (!v9fs_t_clunk(v9ses, newfid, &fcall)) + v9fs_put_idpool(newfid, &v9ses->fidpool); + else dprintk(DEBUG_ERROR, "clunk for mkdir failed: %s\n", FCALL_ERROR(fcall)); - - v9fs_put_idpool(newfid, &v9ses->fidpool); kfree(fcall); fid->fidopen = 0; fid->fidcreate = 0; @@ -426,12 +446,22 @@ v9fs_create(struct inode *dir, CleanUpFid: kfree(fcall); - if (newfid) { - if (v9fs_t_clunk(v9ses, newfid, &fcall)) + if (newfid >= 0) { + if (!v9fs_t_clunk(v9ses, newfid, &fcall)) + v9fs_put_idpool(newfid, &v9ses->fidpool); + else + dprintk(DEBUG_ERROR, "clunk failed: %s\n", + FCALL_ERROR(fcall)); + + kfree(fcall); + } + if (wfidno >= 0) { + if (!v9fs_t_clunk(v9ses, wfidno, &fcall)) + v9fs_put_idpool(wfidno, &v9ses->fidpool); + else dprintk(DEBUG_ERROR, "clunk failed: %s\n", FCALL_ERROR(fcall)); - v9fs_put_idpool(newfid, &v9ses->fidpool); kfree(fcall); } return result; @@ -461,7 +491,7 @@ static int v9fs_remove(struct inode *dir, struct dentry *file, int rmdir) file_inode = file->d_inode; sb = file_inode->i_sb; v9ses = v9fs_inode2v9ses(file_inode); - v9fid = v9fs_fid_lookup(file, FID_OP); + v9fid = v9fs_fid_lookup(file); if (!v9fid) { dprintk(DEBUG_ERROR, @@ -545,7 +575,7 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, sb = dir->i_sb; v9ses = v9fs_inode2v9ses(dir); - dirfid = v9fs_fid_lookup(dentry->d_parent, FID_WALK); + dirfid = v9fs_fid_lookup(dentry->d_parent); if (!dirfid) { dprintk(DEBUG_ERROR, "no dirfid\n"); @@ -573,7 +603,7 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, v9fs_put_idpool(newfid, &v9ses->fidpool); if (result == -ENOENT) { d_add(dentry, NULL); - dprintk(DEBUG_ERROR, + dprintk(DEBUG_VFS, "Return negative dentry %p count %d\n", dentry, atomic_read(&dentry->d_count)); return NULL; @@ -601,16 +631,13 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, inode->i_ino = v9fs_qid2ino(&fcall->params.rstat.stat->qid); - fid = v9fs_fid_create(dentry); + fid = v9fs_fid_create(dentry, v9ses, newfid, 0); if (fid == NULL) { dprintk(DEBUG_ERROR, "couldn't insert\n"); result = -ENOMEM; goto FreeFcall; } - fid->fid = newfid; - fid->fidopen = 0; - fid->v9ses = v9ses; fid->qid = fcall->params.rstat.stat->qid; dentry->d_op = &v9fs_dentry_operations; @@ -665,11 +692,11 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry, { struct inode *old_inode = old_dentry->d_inode; struct v9fs_session_info *v9ses = v9fs_inode2v9ses(old_inode); - struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry, FID_WALK); + struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry); struct v9fs_fid *olddirfid = - v9fs_fid_lookup(old_dentry->d_parent, FID_WALK); + v9fs_fid_lookup(old_dentry->d_parent); struct v9fs_fid *newdirfid = - v9fs_fid_lookup(new_dentry->d_parent, FID_WALK); + v9fs_fid_lookup(new_dentry->d_parent); struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL); struct v9fs_fcall *fcall = NULL; int fid = -1; @@ -744,7 +771,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry, { struct v9fs_fcall *fcall = NULL; struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode); - struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP); + struct v9fs_fid *fid = v9fs_fid_lookup(dentry); int err = -EPERM; dprintk(DEBUG_VFS, "dentry: %p\n", dentry); @@ -778,7 +805,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry, static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr) { struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode); - struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP); + struct v9fs_fid *fid = v9fs_fid_lookup(dentry); struct v9fs_fcall *fcall = NULL; struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL); int res = -EPERM; @@ -960,7 +987,7 @@ v9fs_vfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname) if (retval != 0) goto FreeFcall; - newfid = v9fs_fid_lookup(dentry, FID_OP); + newfid = v9fs_fid_lookup(dentry); /* issue a twstat */ v9fs_blank_mistat(v9ses, mistat); @@ -1004,7 +1031,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen) struct v9fs_fcall *fcall = NULL; struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dentry->d_inode); - struct v9fs_fid *fid = v9fs_fid_lookup(dentry, FID_OP); + struct v9fs_fid *fid = v9fs_fid_lookup(dentry); if (!fid) { dprintk(DEBUG_ERROR, "could not resolve fid from dentry\n"); @@ -1148,7 +1175,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir, struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir); struct v9fs_fcall *fcall = NULL; struct v9fs_stat *mistat = kmalloc(v9ses->maxdata, GFP_KERNEL); - struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry, FID_OP); + struct v9fs_fid *oldfid = v9fs_fid_lookup(old_dentry); struct v9fs_fid *newfid = NULL; char *symname = __getname(); @@ -1168,7 +1195,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir, if (retval != 0) goto FreeMem; - newfid = v9fs_fid_lookup(dentry, FID_OP); + newfid = v9fs_fid_lookup(dentry); if (!newfid) { dprintk(DEBUG_ERROR, "couldn't resolve fid from dentry\n"); goto FreeMem; @@ -1246,7 +1273,7 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev) if (retval != 0) goto FreeMem; - newfid = v9fs_fid_lookup(dentry, FID_OP); + newfid = v9fs_fid_lookup(dentry); if (!newfid) { dprintk(DEBUG_ERROR, "coudn't resove fid from dentry\n"); retval = -EINVAL; diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 1e2b2b54d30..82c5b008407 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -129,7 +129,6 @@ static struct super_block *v9fs_get_sb(struct file_system_type if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) { dprintk(DEBUG_ERROR, "problem initiating session\n"); - kfree(v9ses); return ERR_PTR(newfid); } @@ -155,23 +154,19 @@ static struct super_block *v9fs_get_sb(struct file_system_type sb->s_root = root; - /* Setup the Root Inode */ - root_fid = v9fs_fid_create(root); - if (root_fid == NULL) { - retval = -ENOMEM; - goto put_back_sb; - } - - root_fid->fidopen = 0; - root_fid->v9ses = v9ses; - stat_result = v9fs_t_stat(v9ses, newfid, &fcall); if (stat_result < 0) { dprintk(DEBUG_ERROR, "stat error\n"); v9fs_t_clunk(v9ses, newfid, NULL); v9fs_put_idpool(newfid, &v9ses->fidpool); } else { - root_fid->fid = newfid; + /* Setup the Root Inode */ + root_fid = v9fs_fid_create(root, v9ses, newfid, 0); + if (root_fid == NULL) { + retval = -ENOMEM; + goto put_back_sb; + } + root_fid->qid = fcall->params.rstat.stat->qid; root->d_inode->i_ino = v9fs_qid2ino(&fcall->params.rstat.stat->qid); diff --git a/fs/Kconfig b/fs/Kconfig index 068ccea2f18..48f5422cb19 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -472,6 +472,9 @@ config FUSE_FS utilities is available from the FUSE homepage: <http://fuse.sourceforge.net/> + See <file:Documentation/filesystems/fuse.txt> for more information. + See <file:Documentation/Changes> for needed library/utility version. + If you want to develop a userspace FS, or if you want to use a filesystem based on FUSE, answer Y or M. @@ -741,19 +741,9 @@ static ssize_t aio_run_iocb(struct kiocb *iocb) ret = retry(iocb); current->io_wait = NULL; - if (-EIOCBRETRY != ret) { - if (-EIOCBQUEUED != ret) { - BUG_ON(!list_empty(&iocb->ki_wait.task_list)); - aio_complete(iocb, ret, 0); - /* must not access the iocb after this */ - } - } else { - /* - * Issue an additional retry to avoid waiting forever if - * no waits were queued (e.g. in case of a short read). - */ - if (list_empty(&iocb->ki_wait.task_list)) - kiocbSetKicked(iocb); + if (ret != -EIOCBRETRY && ret != -EIOCBQUEUED) { + BUG_ON(!list_empty(&iocb->ki_wait.task_list)); + aio_complete(iocb, ret, 0); } out: spin_lock_irq(&ctx->ctx_lock); @@ -899,16 +889,24 @@ static void aio_kick_handler(void *data) * and if required activate the aio work queue to process * it */ -static void queue_kicked_iocb(struct kiocb *iocb) +static void try_queue_kicked_iocb(struct kiocb *iocb) { struct kioctx *ctx = iocb->ki_ctx; unsigned long flags; int run = 0; - WARN_ON((!list_empty(&iocb->ki_wait.task_list))); + /* We're supposed to be the only path putting the iocb back on the run + * list. If we find that the iocb is *back* on a wait queue already + * than retry has happened before we could queue the iocb. This also + * means that the retry could have completed and freed our iocb, no + * good. */ + BUG_ON((!list_empty(&iocb->ki_wait.task_list))); spin_lock_irqsave(&ctx->ctx_lock, flags); - run = __queue_kicked_iocb(iocb); + /* set this inside the lock so that we can't race with aio_run_iocb() + * testing it and putting the iocb on the run list under the lock */ + if (!kiocbTryKick(iocb)) + run = __queue_kicked_iocb(iocb); spin_unlock_irqrestore(&ctx->ctx_lock, flags); if (run) aio_queue_work(ctx); @@ -931,10 +929,7 @@ void fastcall kick_iocb(struct kiocb *iocb) return; } - /* If its already kicked we shouldn't queue it again */ - if (!kiocbTryKick(iocb)) { - queue_kicked_iocb(iocb); - } + try_queue_kicked_iocb(iocb); } EXPORT_SYMBOL(kick_iocb); @@ -1322,8 +1317,11 @@ asmlinkage long sys_io_destroy(aio_context_t ctx) } /* - * Default retry method for aio_read (also used for first time submit) - * Responsible for updating iocb state as retries progress + * aio_p{read,write} are the default ki_retry methods for + * IO_CMD_P{READ,WRITE}. They maintains kiocb retry state around potentially + * multiple calls to f_op->aio_read(). They loop around partial progress + * instead of returning -EIOCBRETRY because they don't have the means to call + * kick_iocb(). */ static ssize_t aio_pread(struct kiocb *iocb) { @@ -1332,25 +1330,25 @@ static ssize_t aio_pread(struct kiocb *iocb) struct inode *inode = mapping->host; ssize_t ret = 0; - ret = file->f_op->aio_read(iocb, iocb->ki_buf, - iocb->ki_left, iocb->ki_pos); + do { + ret = file->f_op->aio_read(iocb, iocb->ki_buf, + iocb->ki_left, iocb->ki_pos); + /* + * Can't just depend on iocb->ki_left to determine + * whether we are done. This may have been a short read. + */ + if (ret > 0) { + iocb->ki_buf += ret; + iocb->ki_left -= ret; + } - /* - * Can't just depend on iocb->ki_left to determine - * whether we are done. This may have been a short read. - */ - if (ret > 0) { - iocb->ki_buf += ret; - iocb->ki_left -= ret; /* - * For pipes and sockets we return once we have - * some data; for regular files we retry till we - * complete the entire read or find that we can't - * read any more data (e.g short reads). + * For pipes and sockets we return once we have some data; for + * regular files we retry till we complete the entire read or + * find that we can't read any more data (e.g short reads). */ - if (!S_ISFIFO(inode->i_mode) && !S_ISSOCK(inode->i_mode)) - ret = -EIOCBRETRY; - } + } while (ret > 0 && iocb->ki_left > 0 && + !S_ISFIFO(inode->i_mode) && !S_ISSOCK(inode->i_mode)); /* This means we must have transferred all that we could */ /* No need to retry anymore */ @@ -1360,27 +1358,21 @@ static ssize_t aio_pread(struct kiocb *iocb) return ret; } -/* - * Default retry method for aio_write (also used for first time submit) - * Responsible for updating iocb state as retries progress - */ +/* see aio_pread() */ static ssize_t aio_pwrite(struct kiocb *iocb) { struct file *file = iocb->ki_filp; ssize_t ret = 0; - ret = file->f_op->aio_write(iocb, iocb->ki_buf, - iocb->ki_left, iocb->ki_pos); - - if (ret > 0) { - iocb->ki_buf += ret; - iocb->ki_left -= ret; - - ret = -EIOCBRETRY; - } + do { + ret = file->f_op->aio_write(iocb, iocb->ki_buf, + iocb->ki_left, iocb->ki_pos); + if (ret > 0) { + iocb->ki_buf += ret; + iocb->ki_left -= ret; + } + } while (ret > 0 && iocb->ki_left > 0); - /* This means we must have transferred all that we could */ - /* No need to retry anymore */ if ((ret == 0) || (iocb->ki_left == 0)) ret = iocb->ki_nbytes - iocb->ki_left; diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 403b90a1213..4284cd31eba 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -101,6 +101,10 @@ /* Maximum number of poll wake up nests we are allowing */ #define EP_MAX_POLLWAKE_NESTS 4 +/* Maximum msec timeout value storeable in a long int */ +#define EP_MAX_MSTIMEO min(1000ULL * MAX_SCHEDULE_TIMEOUT / HZ, (LONG_MAX - 999ULL) / HZ) + + struct epoll_filefd { struct file *file; int fd; @@ -1506,8 +1510,8 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events, * and the overflow condition. The passed timeout is in milliseconds, * that why (t * HZ) / 1000. */ - jtimeout = timeout == -1 || timeout > (MAX_SCHEDULE_TIMEOUT - 1000) / HZ ? - MAX_SCHEDULE_TIMEOUT: (timeout * HZ + 999) / 1000; + jtimeout = (timeout < 0 || timeout >= EP_MAX_MSTIMEO) ? + MAX_SCHEDULE_TIMEOUT : (timeout * HZ + 999) / 1000; retry: write_lock_irqsave(&ep->lock, flags); diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c index c8d07030c89..e2d6208633a 100644 --- a/fs/ext2/ialloc.c +++ b/fs/ext2/ialloc.c @@ -605,27 +605,28 @@ got: insert_inode_hash(inode); if (DQUOT_ALLOC_INODE(inode)) { - DQUOT_DROP(inode); err = -ENOSPC; - goto fail2; + goto fail_drop; } + err = ext2_init_acl(inode, dir); - if (err) { - DQUOT_FREE_INODE(inode); - DQUOT_DROP(inode); - goto fail2; - } + if (err) + goto fail_free_drop; + err = ext2_init_security(inode,dir); - if (err) { - DQUOT_FREE_INODE(inode); - goto fail2; - } + if (err) + goto fail_free_drop; + mark_inode_dirty(inode); ext2_debug("allocating inode %lu\n", inode->i_ino); ext2_preread_inode(inode); return inode; -fail2: +fail_free_drop: + DQUOT_FREE_INODE(inode); + +fail_drop: + DQUOT_DROP(inode); inode->i_flags |= S_NOQUOTA; inode->i_nlink = 0; iput(inode); diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c index 96552769d03..6549945f9ac 100644 --- a/fs/ext3/ialloc.c +++ b/fs/ext3/ialloc.c @@ -597,27 +597,22 @@ got: ret = inode; if(DQUOT_ALLOC_INODE(inode)) { - DQUOT_DROP(inode); err = -EDQUOT; - goto fail2; + goto fail_drop; } + err = ext3_init_acl(handle, inode, dir); - if (err) { - DQUOT_FREE_INODE(inode); - DQUOT_DROP(inode); - goto fail2; - } + if (err) + goto fail_free_drop; + err = ext3_init_security(handle,inode, dir); - if (err) { - DQUOT_FREE_INODE(inode); - goto fail2; - } + if (err) + goto fail_free_drop; + err = ext3_mark_inode_dirty(handle, inode); if (err) { ext3_std_error(sb, err); - DQUOT_FREE_INODE(inode); - DQUOT_DROP(inode); - goto fail2; + goto fail_free_drop; } ext3_debug("allocating inode %lu\n", inode->i_ino); @@ -631,7 +626,11 @@ really_out: brelse(bitmap_bh); return ret; -fail2: +fail_free_drop: + DQUOT_FREE_INODE(inode); + +fail_drop: + DQUOT_DROP(inode); inode->i_flags |= S_NOQUOTA; inode->i_nlink = 0; iput(inode); diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index e79e49b3eec..29f1e9f6e85 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -96,6 +96,8 @@ static int fuse_lookup_iget(struct inode *dir, struct dentry *entry, fuse_lookup_init(req, dir, entry, &outarg); request_send(fc, req); err = req->out.h.error; + if (!err && (!outarg.nodeid || outarg.nodeid == FUSE_ROOT_ID)) + err = -EIO; if (!err) { inode = fuse_iget(dir->i_sb, outarg.nodeid, outarg.generation, &outarg.attr); @@ -152,6 +154,10 @@ static int create_new_entry(struct fuse_conn *fc, struct fuse_req *req, fuse_put_request(fc, req); return err; } + if (!outarg.nodeid || outarg.nodeid == FUSE_ROOT_ID) { + fuse_put_request(fc, req); + return -EIO; + } inode = fuse_iget(dir->i_sb, outarg.nodeid, outarg.generation, &outarg.attr); if (!inode) { diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 6454022b053..657ab11c173 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -23,6 +23,10 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir) struct fuse_file *ff; int err; + /* VFS checks this, but only _after_ ->open() */ + if (file->f_flags & O_DIRECT) + return -EINVAL; + err = generic_file_open(inode, file); if (err) return err; diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 59c5062cd63..dd711310626 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -793,11 +793,6 @@ int hostfs_rename(struct inode *from_ino, struct dentry *from, return(err); } -void hostfs_truncate(struct inode *ino) -{ - not_implemented(); -} - int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd) { char *name; @@ -894,7 +889,6 @@ static struct inode_operations hostfs_iops = { .rmdir = hostfs_rmdir, .mknod = hostfs_mknod, .rename = hostfs_rename, - .truncate = hostfs_truncate, .permission = hostfs_permission, .setattr = hostfs_setattr, .getattr = hostfs_getattr, @@ -910,7 +904,6 @@ static struct inode_operations hostfs_dir_iops = { .rmdir = hostfs_rmdir, .mknod = hostfs_mknod, .rename = hostfs_rename, - .truncate = hostfs_truncate, .permission = hostfs_permission, .setattr = hostfs_setattr, .getattr = hostfs_getattr, diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog index c7e9237379c..83f3322765c 100644 --- a/fs/ntfs/ChangeLog +++ b/fs/ntfs/ChangeLog @@ -29,7 +29,8 @@ ToDo/Notes: The Windows boot will run chkdsk and then reboot. The user can then immediately boot into Linux rather than having to do a full Windows boot first before rebooting into Linux and we will recognize such a - journal and empty it as it is clean by definition. + journal and empty it as it is clean by definition. Note, this only + works if chkdsk left the journal in an obviously clean state. - Support journals ($LogFile) with only one restart page as well as journals with two different restart pages. We sanity check both and either use the only sane one or the more recent one of the two in the @@ -94,6 +95,13 @@ ToDo/Notes: my ways. - Fix various bugs in the runlist merging code. (Based on libntfs changes by Richard Russon.) + - Fix sparse warnings that have crept in over time. + - Change ntfs_cluster_free() to require a write locked runlist on entry + since we otherwise get into a lock reversal deadlock if a read locked + runlist is passed in. In the process also change it to take an ntfs + inode instead of a vfs inode as parameter. + - Fix the definition of the CHKD ntfs record magic. It had an off by + two error causing it to be CHKB instead of CHKD. 2.1.23 - Implement extension of resident files and make writing safe as well as many bug fixes, cleanups, and enhancements... diff --git a/fs/ntfs/layout.h b/fs/ntfs/layout.h index 609ad1728ce..01f2dfa39ce 100644 --- a/fs/ntfs/layout.h +++ b/fs/ntfs/layout.h @@ -123,7 +123,7 @@ enum { magic_RCRD = const_cpu_to_le32(0x44524352), /* Log record page. */ /* Found in $LogFile/$DATA. (May be found in $MFT/$DATA, also?) */ - magic_CHKD = const_cpu_to_le32(0x424b4843), /* Modified by chkdsk. */ + magic_CHKD = const_cpu_to_le32(0x444b4843), /* Modified by chkdsk. */ /* Found in all ntfs record containing records. */ magic_BAAD = const_cpu_to_le32(0x44414142), /* Failed multi sector @@ -308,10 +308,8 @@ typedef le16 MFT_RECORD_FLAGS; * The _LE versions are to be applied on little endian MFT_REFs. * Note: The _LE versions will return a CPU endian formatted value! */ -typedef enum { - MFT_REF_MASK_CPU = 0x0000ffffffffffffULL, - MFT_REF_MASK_LE = const_cpu_to_le64(0x0000ffffffffffffULL), -} MFT_REF_CONSTS; +#define MFT_REF_MASK_CPU 0x0000ffffffffffffULL +#define MFT_REF_MASK_LE const_cpu_to_le64(0x0000ffffffffffffULL) typedef u64 MFT_REF; typedef le64 leMFT_REF; diff --git a/fs/ntfs/lcnalloc.c b/fs/ntfs/lcnalloc.c index 7b593429068..5af3bf0b7ee 100644 --- a/fs/ntfs/lcnalloc.c +++ b/fs/ntfs/lcnalloc.c @@ -779,14 +779,13 @@ out: /** * __ntfs_cluster_free - free clusters on an ntfs volume - * @vi: vfs inode whose runlist describes the clusters to free - * @start_vcn: vcn in the runlist of @vi at which to start freeing clusters + * @ni: ntfs inode whose runlist describes the clusters to free + * @start_vcn: vcn in the runlist of @ni at which to start freeing clusters * @count: number of clusters to free or -1 for all clusters - * @write_locked: true if the runlist is locked for writing * @is_rollback: true if this is a rollback operation * * Free @count clusters starting at the cluster @start_vcn in the runlist - * described by the vfs inode @vi. + * described by the vfs inode @ni. * * If @count is -1, all clusters from @start_vcn to the end of the runlist are * deallocated. Thus, to completely free all clusters in a runlist, use @@ -801,31 +800,28 @@ out: * Return the number of deallocated clusters (not counting sparse ones) on * success and -errno on error. * - * Locking: - The runlist described by @vi must be locked on entry and is - * locked on return. Note if the runlist is locked for reading the - * lock may be dropped and reacquired. Note the runlist may be - * modified when needed runlist fragments need to be mapped. + * Locking: - The runlist described by @ni must be locked for writing on entry + * and is locked on return. Note the runlist may be modified when + * needed runlist fragments need to be mapped. * - The volume lcn bitmap must be unlocked on entry and is unlocked * on return. * - This function takes the volume lcn bitmap lock for writing and * modifies the bitmap contents. */ -s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, s64 count, - const BOOL write_locked, const BOOL is_rollback) +s64 __ntfs_cluster_free(ntfs_inode *ni, const VCN start_vcn, s64 count, + const BOOL is_rollback) { s64 delta, to_free, total_freed, real_freed; - ntfs_inode *ni; ntfs_volume *vol; struct inode *lcnbmp_vi; runlist_element *rl; int err; - BUG_ON(!vi); + BUG_ON(!ni); ntfs_debug("Entering for i_ino 0x%lx, start_vcn 0x%llx, count " - "0x%llx.%s", vi->i_ino, (unsigned long long)start_vcn, + "0x%llx.%s", ni->mft_no, (unsigned long long)start_vcn, (unsigned long long)count, is_rollback ? " (rollback)" : ""); - ni = NTFS_I(vi); vol = ni->vol; lcnbmp_vi = vol->lcnbmp_ino; BUG_ON(!lcnbmp_vi); @@ -843,7 +839,7 @@ s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, s64 count, total_freed = real_freed = 0; - rl = ntfs_attr_find_vcn_nolock(ni, start_vcn, write_locked); + rl = ntfs_attr_find_vcn_nolock(ni, start_vcn, TRUE); if (IS_ERR(rl)) { if (!is_rollback) ntfs_error(vol->sb, "Failed to find first runlist " @@ -897,7 +893,7 @@ s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, s64 count, /* Attempt to map runlist. */ vcn = rl->vcn; - rl = ntfs_attr_find_vcn_nolock(ni, vcn, write_locked); + rl = ntfs_attr_find_vcn_nolock(ni, vcn, TRUE); if (IS_ERR(rl)) { err = PTR_ERR(rl); if (!is_rollback) @@ -965,8 +961,7 @@ err_out: * If rollback fails, set the volume errors flag, emit an error * message, and return the error code. */ - delta = __ntfs_cluster_free(vi, start_vcn, total_freed, write_locked, - TRUE); + delta = __ntfs_cluster_free(ni, start_vcn, total_freed, TRUE); if (delta < 0) { ntfs_error(vol->sb, "Failed to rollback (error %i). Leaving " "inconsistent metadata! Unmount and run " diff --git a/fs/ntfs/lcnalloc.h b/fs/ntfs/lcnalloc.h index e4d7fb98d68..a6a8827882e 100644 --- a/fs/ntfs/lcnalloc.h +++ b/fs/ntfs/lcnalloc.h @@ -2,7 +2,7 @@ * lcnalloc.h - Exports for NTFS kernel cluster (de)allocation. Part of the * Linux-NTFS project. * - * Copyright (c) 2004 Anton Altaparmakov + * Copyright (c) 2004-2005 Anton Altaparmakov * * This program/include file is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as published @@ -28,6 +28,7 @@ #include <linux/fs.h> #include "types.h" +#include "inode.h" #include "runlist.h" #include "volume.h" @@ -42,18 +43,17 @@ extern runlist_element *ntfs_cluster_alloc(ntfs_volume *vol, const VCN start_vcn, const s64 count, const LCN start_lcn, const NTFS_CLUSTER_ALLOCATION_ZONES zone); -extern s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, - s64 count, const BOOL write_locked, const BOOL is_rollback); +extern s64 __ntfs_cluster_free(ntfs_inode *ni, const VCN start_vcn, + s64 count, const BOOL is_rollback); /** * ntfs_cluster_free - free clusters on an ntfs volume - * @vi: vfs inode whose runlist describes the clusters to free - * @start_vcn: vcn in the runlist of @vi at which to start freeing clusters + * @ni: ntfs inode whose runlist describes the clusters to free + * @start_vcn: vcn in the runlist of @ni at which to start freeing clusters * @count: number of clusters to free or -1 for all clusters - * @write_locked: true if the runlist is locked for writing * * Free @count clusters starting at the cluster @start_vcn in the runlist - * described by the vfs inode @vi. + * described by the ntfs inode @ni. * * If @count is -1, all clusters from @start_vcn to the end of the runlist are * deallocated. Thus, to completely free all clusters in a runlist, use @@ -65,19 +65,18 @@ extern s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, * Return the number of deallocated clusters (not counting sparse ones) on * success and -errno on error. * - * Locking: - The runlist described by @vi must be locked on entry and is - * locked on return. Note if the runlist is locked for reading the - * lock may be dropped and reacquired. Note the runlist may be - * modified when needed runlist fragments need to be mapped. + * Locking: - The runlist described by @ni must be locked for writing on entry + * and is locked on return. Note the runlist may be modified when + * needed runlist fragments need to be mapped. * - The volume lcn bitmap must be unlocked on entry and is unlocked * on return. * - This function takes the volume lcn bitmap lock for writing and * modifies the bitmap contents. */ -static inline s64 ntfs_cluster_free(struct inode *vi, const VCN start_vcn, - s64 count, const BOOL write_locked) +static inline s64 ntfs_cluster_free(ntfs_inode *ni, const VCN start_vcn, + s64 count) { - return __ntfs_cluster_free(vi, start_vcn, count, write_locked, FALSE); + return __ntfs_cluster_free(ni, start_vcn, count, FALSE); } extern int ntfs_cluster_free_from_rl_nolock(ntfs_volume *vol, diff --git a/fs/ntfs/logfile.c b/fs/ntfs/logfile.c index 0173e95500d..0fd70295cca 100644 --- a/fs/ntfs/logfile.c +++ b/fs/ntfs/logfile.c @@ -51,7 +51,8 @@ static BOOL ntfs_check_restart_page_header(struct inode *vi, RESTART_PAGE_HEADER *rp, s64 pos) { u32 logfile_system_page_size, logfile_log_page_size; - u16 usa_count, usa_ofs, usa_end, ra_ofs; + u16 ra_ofs, usa_count, usa_ofs, usa_end = 0; + BOOL have_usa = TRUE; ntfs_debug("Entering."); /* @@ -86,6 +87,14 @@ static BOOL ntfs_check_restart_page_header(struct inode *vi, (int)sle16_to_cpu(rp->minor_ver)); return FALSE; } + /* + * If chkdsk has been run the restart page may not be protected by an + * update sequence array. + */ + if (ntfs_is_chkd_record(rp->magic) && !le16_to_cpu(rp->usa_count)) { + have_usa = FALSE; + goto skip_usa_checks; + } /* Verify the size of the update sequence array. */ usa_count = 1 + (logfile_system_page_size >> NTFS_BLOCK_SIZE_BITS); if (usa_count != le16_to_cpu(rp->usa_count)) { @@ -102,6 +111,7 @@ static BOOL ntfs_check_restart_page_header(struct inode *vi, "inconsistent update sequence array offset."); return FALSE; } +skip_usa_checks: /* * Verify the position of the restart area. It must be: * - aligned to 8-byte boundary, @@ -109,7 +119,8 @@ static BOOL ntfs_check_restart_page_header(struct inode *vi, * - within the system page size. */ ra_ofs = le16_to_cpu(rp->restart_area_offset); - if (ra_ofs & 7 || ra_ofs < usa_end || + if (ra_ofs & 7 || (have_usa ? ra_ofs < usa_end : + ra_ofs < sizeof(RESTART_PAGE_HEADER)) || ra_ofs > logfile_system_page_size) { ntfs_error(vi->i_sb, "$LogFile restart page specifies " "inconsistent restart area offset."); @@ -402,8 +413,12 @@ static int ntfs_check_and_load_restart_page(struct inode *vi, idx++; } while (to_read > 0); } - /* Perform the multi sector transfer deprotection on the buffer. */ - if (post_read_mst_fixup((NTFS_RECORD*)trp, + /* + * Perform the multi sector transfer deprotection on the buffer if the + * restart page is protected. + */ + if ((!ntfs_is_chkd_record(trp->magic) || le16_to_cpu(trp->usa_count)) + && post_read_mst_fixup((NTFS_RECORD*)trp, le32_to_cpu(rp->system_page_size))) { /* * A multi sector tranfer error was detected. We only need to @@ -615,11 +630,16 @@ is_empty: * Otherwise just throw it away. */ if (rstr2_lsn > rstr1_lsn) { + ntfs_debug("Using second restart page as it is more " + "recent."); ntfs_free(rstr1_ph); rstr1_ph = rstr2_ph; /* rstr1_lsn = rstr2_lsn; */ - } else + } else { + ntfs_debug("Using first restart page as it is more " + "recent."); ntfs_free(rstr2_ph); + } rstr2_ph = NULL; } /* All consistency checks passed. */ diff --git a/fs/ntfs/logfile.h b/fs/ntfs/logfile.h index 42388f95ea6..a51f3dd0e9e 100644 --- a/fs/ntfs/logfile.h +++ b/fs/ntfs/logfile.h @@ -113,7 +113,7 @@ typedef struct { */ enum { RESTART_VOLUME_IS_CLEAN = const_cpu_to_le16(0x0002), - RESTART_SPACE_FILLER = 0xffff, /* gcc: Force enum bit width to 16. */ + RESTART_SPACE_FILLER = const_cpu_to_le16(0xffff), /* gcc: Force enum bit width to 16. */ } __attribute__ ((__packed__)); typedef le16 RESTART_AREA_FLAGS; diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c index 2c32b84385a..247586d1d5d 100644 --- a/fs/ntfs/mft.c +++ b/fs/ntfs/mft.c @@ -1953,7 +1953,7 @@ restore_undo_alloc: a = ctx->attr; a->data.non_resident.highest_vcn = cpu_to_sle64(old_last_vcn - 1); undo_alloc: - if (ntfs_cluster_free(vol->mft_ino, old_last_vcn, -1, TRUE) < 0) { + if (ntfs_cluster_free(mft_ni, old_last_vcn, -1) < 0) { ntfs_error(vol->sb, "Failed to free clusters from mft data " "attribute.%s", es); NVolSetErrors(vol); diff --git a/fs/read_write.c b/fs/read_write.c index b60324aaa2b..a091ee4f430 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -499,6 +499,9 @@ static ssize_t do_readv_writev(int type, struct file *file, ret = rw_verify_area(type, file, pos, tot_len); if (ret) goto out; + ret = security_file_permission(file, type == READ ? MAY_READ : MAY_WRITE); + if (ret) + goto out; fnv = NULL; if (type == READ) { diff --git a/include/asm-arm/arch-rpc/hardware.h b/include/asm-arm/arch-rpc/hardware.h index be9754a05c1..9d7f87375aa 100644 --- a/include/asm-arm/arch-rpc/hardware.h +++ b/include/asm-arm/arch-rpc/hardware.h @@ -15,7 +15,7 @@ #include <asm/arch/memory.h> #ifndef __ASSEMBLY__ -#define IOMEM(x) ((void __iomem *)(x)) +#define IOMEM(x) ((void __iomem *)(unsigned long)(x)) #else #define IOMEM(x) x #endif /* __ASSEMBLY__ */ @@ -52,7 +52,7 @@ /* * IO Addresses */ -#define VIDC_BASE (void __iomem *)0xe0400000 +#define VIDC_BASE IOMEM(0xe0400000) #define EXPMASK_BASE 0xe0360000 #define IOMD_BASE IOMEM(0xe0200000) #define IOC_BASE IOMEM(0xe0200000) diff --git a/include/asm-arm/arch-s3c2410/anubis-map.h b/include/asm-arm/arch-s3c2410/anubis-map.h index 97741d6e506..d529ffda859 100644 --- a/include/asm-arm/arch-s3c2410/anubis-map.h +++ b/include/asm-arm/arch-s3c2410/anubis-map.h @@ -20,22 +20,22 @@ /* start peripherals off after the S3C2410 */ -#define ANUBIS_IOADDR(x) (S3C2410_ADDR((x) + 0x02000000)) +#define ANUBIS_IOADDR(x) (S3C2410_ADDR((x) + 0x01800000)) #define ANUBIS_PA_CPLD (S3C2410_CS1 | (1<<26)) /* we put the CPLD registers next, to get them out of the way */ -#define ANUBIS_VA_CTRL1 ANUBIS_IOADDR(0x00000000) /* 0x01300000 */ +#define ANUBIS_VA_CTRL1 ANUBIS_IOADDR(0x00000000) /* 0x01800000 */ #define ANUBIS_PA_CTRL1 (ANUBIS_PA_CPLD) -#define ANUBIS_VA_CTRL2 ANUBIS_IOADDR(0x00100000) /* 0x01400000 */ +#define ANUBIS_VA_CTRL2 ANUBIS_IOADDR(0x00100000) /* 0x01900000 */ #define ANUBIS_PA_CTRL2 (ANUBIS_PA_CPLD) -#define ANUBIS_VA_CTRL3 ANUBIS_IOADDR(0x00200000) /* 0x01500000 */ +#define ANUBIS_VA_CTRL3 ANUBIS_IOADDR(0x00200000) /* 0x01A00000 */ #define ANUBIS_PA_CTRL3 (ANUBIS_PA_CPLD) -#define ANUBIS_VA_CTRL4 ANUBIS_IOADDR(0x00300000) /* 0x01600000 */ +#define ANUBIS_VA_CTRL4 ANUBIS_IOADDR(0x00300000) /* 0x01B00000 */ #define ANUBIS_PA_CTRL4 (ANUBIS_PA_CPLD) #define ANUBIS_IDEPRI ANUBIS_IOADDR(0x01000000) diff --git a/include/asm-arm/arch-versatile/io.h b/include/asm-arm/arch-versatile/io.h index 9f895bf6149..47e904cf25c 100644 --- a/include/asm-arm/arch-versatile/io.h +++ b/include/asm-arm/arch-versatile/io.h @@ -22,7 +22,11 @@ #define IO_SPACE_LIMIT 0xffffffff -#define __io(a) ((void __iomem *)(a)) +static inline void __iomem *__io(unsigned long addr) +{ + return (void __iomem *)addr; +} +#define __io(a) __io(a) #define __mem_pci(a) (a) #define __mem_isa(a) (a) diff --git a/include/asm-arm/elf.h b/include/asm-arm/elf.h index a1696ba238d..7da97a93754 100644 --- a/include/asm-arm/elf.h +++ b/include/asm-arm/elf.h @@ -124,6 +124,8 @@ do { \ if (((ex).e_flags & EF_ARM_EABI_MASK) || \ ((ex).e_flags & EF_ARM_SOFT_FLOAT)) \ set_thread_flag(TIF_USING_IWMMXT); \ + else \ + clear_thread_flag(TIF_USING_IWMMXT); \ } while (0) #endif diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h index cfa71a0dffb..5c4ae8f5dbb 100644 --- a/include/asm-arm/io.h +++ b/include/asm-arm/io.h @@ -136,9 +136,9 @@ extern void __readwrite_bug(const char *fn); /* * String version of IO memory access ops: */ -extern void _memcpy_fromio(void *, void __iomem *, size_t); -extern void _memcpy_toio(void __iomem *, const void *, size_t); -extern void _memset_io(void __iomem *, int, size_t); +extern void _memcpy_fromio(void *, const volatile void __iomem *, size_t); +extern void _memcpy_toio(volatile void __iomem *, const void *, size_t); +extern void _memset_io(volatile void __iomem *, int, size_t); #define mmiowb() diff --git a/include/asm-arm/signal.h b/include/asm-arm/signal.h index 760f6e65af0..ced69161917 100644 --- a/include/asm-arm/signal.h +++ b/include/asm-arm/signal.h @@ -115,7 +115,6 @@ typedef unsigned long sigset_t; #ifdef __KERNEL__ #define SA_TIMER 0x40000000 -#define SA_IRQNOMASK 0x08000000 #endif #include <asm-generic/signal.h> diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index f86c1e54946..ff28c8b31f5 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -158,6 +158,19 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres #define lazy_mmu_prot_update(pte) do { } while (0) #endif +#ifndef __HAVE_ARCH_MULTIPLE_ZERO_PAGE +#define move_pte(pte, prot, old_addr, new_addr) (pte) +#else +#define move_pte(pte, prot, old_addr, new_addr) \ +({ \ + pte_t newpte = (pte); \ + if (pte_present(pte) && pfn_valid(pte_pfn(pte)) && \ + pte_page(pte) == ZERO_PAGE(old_addr)) \ + newpte = mk_pte(ZERO_PAGE(new_addr), (prot)); \ + newpte; \ +}) +#endif + /* * When walking page tables, get the address of the next boundary, * or the end address of the range if that comes earlier. Although no diff --git a/include/asm-i386/hw_irq.h b/include/asm-i386/hw_irq.h index 4ac84cc6f01..622815bf324 100644 --- a/include/asm-i386/hw_irq.h +++ b/include/asm-i386/hw_irq.h @@ -18,6 +18,8 @@ #include <asm/irq.h> #include <asm/sections.h> +struct hw_interrupt_type; + /* * Various low-level irq details needed by irq.c, process.c, * time.c, io_apic.c and smp.c diff --git a/include/asm-ia64/uaccess.h b/include/asm-ia64/uaccess.h index 3a7829bb595..9adb51211c2 100644 --- a/include/asm-ia64/uaccess.h +++ b/include/asm-ia64/uaccess.h @@ -187,8 +187,8 @@ extern void __get_user_unknown (void); ({ \ const __typeof__(*(ptr)) __user *__gu_ptr = (ptr); \ __typeof__ (size) __gu_size = (size); \ - long __gu_err = -EFAULT, __gu_val = 0; \ - \ + long __gu_err = -EFAULT; \ + unsigned long __gu_val = 0; \ if (!check || __access_ok(__gu_ptr, size, segment)) \ switch (__gu_size) { \ case 1: __get_user_size(__gu_val, __gu_ptr, 1, __gu_err); break; \ @@ -240,13 +240,13 @@ extern unsigned long __must_check __copy_user (void __user *to, const void __use static inline unsigned long __copy_to_user (void __user *to, const void *from, unsigned long count) { - return __copy_user(to, (void __user *) from, count); + return __copy_user(to, (__force void __user *) from, count); } static inline unsigned long __copy_from_user (void *to, const void __user *from, unsigned long count) { - return __copy_user((void __user *) to, from, count); + return __copy_user((__force void __user *) to, from, count); } #define __copy_to_user_inatomic __copy_to_user @@ -258,7 +258,7 @@ __copy_from_user (void *to, const void __user *from, unsigned long count) long __cu_len = (n); \ \ if (__access_ok(__cu_to, __cu_len, get_fs())) \ - __cu_len = __copy_user(__cu_to, (void __user *) __cu_from, __cu_len); \ + __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \ __cu_len; \ }) @@ -270,7 +270,7 @@ __copy_from_user (void *to, const void __user *from, unsigned long count) \ __chk_user_ptr(__cu_from); \ if (__access_ok(__cu_from, __cu_len, get_fs())) \ - __cu_len = __copy_user((void __user *) __cu_to, __cu_from, __cu_len); \ + __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len); \ __cu_len; \ }) diff --git a/include/asm-m32r/io.h b/include/asm-m32r/io.h index 8e9e481e699..70ad1c949c2 100644 --- a/include/asm-m32r/io.h +++ b/include/asm-m32r/io.h @@ -60,7 +60,7 @@ __ioremap(unsigned long offset, unsigned long size, unsigned long flags); * address. */ -static inline void * ioremap(unsigned long offset, unsigned long size) +static inline void __iomem *ioremap(unsigned long offset, unsigned long size) { return __ioremap(offset, size, 0); } diff --git a/include/asm-m32r/uaccess.h b/include/asm-m32r/uaccess.h index 93d863c455a..0da7c47d2f0 100644 --- a/include/asm-m32r/uaccess.h +++ b/include/asm-m32r/uaccess.h @@ -208,7 +208,8 @@ extern void __get_user_4(void); * On error, the variable @x is set to zero. */ #define get_user(x,ptr) \ -({ int __ret_gu,__val_gu; \ +({ int __ret_gu; \ + unsigned long __val_gu; \ __chk_user_ptr(ptr); \ switch(sizeof (*(ptr))) { \ case 1: __get_user_x(1,__ret_gu,__val_gu,ptr); break; \ @@ -403,7 +404,8 @@ struct __large_struct { unsigned long buf[100]; }; #define __get_user_nocheck(x,ptr,size) \ ({ \ - long __gu_err, __gu_val; \ + long __gu_err; \ + unsigned long __gu_val; \ __get_user_size(__gu_val,(ptr),(size),__gu_err); \ (x) = (__typeof__(*(ptr)))__gu_val; \ __gu_err; \ @@ -594,8 +596,8 @@ static inline unsigned long __generic_copy_to_user_nocheck(void __user *to, return n; } -unsigned long __generic_copy_to_user(void *, const void *, unsigned long); -unsigned long __generic_copy_from_user(void *, const void *, unsigned long); +unsigned long __generic_copy_to_user(void __user *, const void *, unsigned long); +unsigned long __generic_copy_from_user(void *, const void __user *, unsigned long); /** * __copy_to_user: - Copy a block of data into user space, with less checking. diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h index cbd1672c94c..eaf5d9b3a0e 100644 --- a/include/asm-mips/pgtable.h +++ b/include/asm-mips/pgtable.h @@ -68,6 +68,8 @@ extern unsigned long zero_page_mask; #define ZERO_PAGE(vaddr) \ (virt_to_page(empty_zero_page + (((unsigned long)(vaddr)) & zero_page_mask))) +#define __HAVE_ARCH_MULTIPLE_ZERO_PAGE + extern void paging_init(void); /* diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h index 7eb7cf6360b..94d83998a75 100644 --- a/include/asm-ppc/io.h +++ b/include/asm-ppc/io.h @@ -56,7 +56,7 @@ extern unsigned long pci_dram_offset; * is actually performed (i.e. the data has come back) before we start * executing any following instructions. */ -extern inline int in_8(volatile unsigned char __iomem *addr) +extern inline int in_8(const volatile unsigned char __iomem *addr) { int ret; @@ -72,7 +72,7 @@ extern inline void out_8(volatile unsigned char __iomem *addr, int val) __asm__ __volatile__("stb%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val)); } -extern inline int in_le16(volatile unsigned short __iomem *addr) +extern inline int in_le16(const volatile unsigned short __iomem *addr) { int ret; @@ -83,7 +83,7 @@ extern inline int in_le16(volatile unsigned short __iomem *addr) return ret; } -extern inline int in_be16(volatile unsigned short __iomem *addr) +extern inline int in_be16(const volatile unsigned short __iomem *addr) { int ret; @@ -104,7 +104,7 @@ extern inline void out_be16(volatile unsigned short __iomem *addr, int val) __asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val)); } -extern inline unsigned in_le32(volatile unsigned __iomem *addr) +extern inline unsigned in_le32(const volatile unsigned __iomem *addr) { unsigned ret; @@ -115,7 +115,7 @@ extern inline unsigned in_le32(volatile unsigned __iomem *addr) return ret; } -extern inline unsigned in_be32(volatile unsigned __iomem *addr) +extern inline unsigned in_be32(const volatile unsigned __iomem *addr) { unsigned ret; @@ -139,7 +139,7 @@ extern inline void out_be32(volatile unsigned __iomem *addr, int val) #define readb(addr) in_8((volatile u8 *)(addr)) #define writeb(b,addr) out_8((volatile u8 *)(addr), (b)) #else -static inline __u8 readb(volatile void __iomem *addr) +static inline __u8 readb(const volatile void __iomem *addr) { return in_8(addr); } @@ -150,11 +150,11 @@ static inline void writeb(__u8 b, volatile void __iomem *addr) #endif #if defined(CONFIG_APUS) -static inline __u16 readw(volatile void __iomem *addr) +static inline __u16 readw(const volatile void __iomem *addr) { return *(__force volatile __u16 *)(addr); } -static inline __u32 readl(volatile void __iomem *addr) +static inline __u32 readl(const volatile void __iomem *addr) { return *(__force volatile __u32 *)(addr); } @@ -173,11 +173,11 @@ static inline void writel(__u32 b, volatile void __iomem *addr) #define writew(b,addr) out_le16((volatile u16 *)(addr),(b)) #define writel(b,addr) out_le32((volatile u32 *)(addr),(b)) #else -static inline __u16 readw(volatile void __iomem *addr) +static inline __u16 readw(const volatile void __iomem *addr) { return in_le16(addr); } -static inline __u32 readl(volatile void __iomem *addr) +static inline __u32 readl(const volatile void __iomem *addr) { return in_le32(addr); } diff --git a/include/asm-ppc/mv64x60.h b/include/asm-ppc/mv64x60.h index 75c2ffa26b2..ee2f9188cc6 100644 --- a/include/asm-ppc/mv64x60.h +++ b/include/asm-ppc/mv64x60.h @@ -233,7 +233,7 @@ struct mv64x60_chip_info { struct mv64x60_handle { u32 type; /* type of bridge */ u32 rev; /* revision of bridge */ - void *v_base; /* virtual base addr of bridge regs */ + void __iomem *v_base;/* virtual base addr of bridge regs */ phys_addr_t p_base; /* physical base addr of bridge regs */ u32 pci_mode_a; /* pci 0 mode: conventional pci, pci-x*/ @@ -303,7 +303,7 @@ void mv64x60_alloc_hose(struct mv64x60_handle *bh, u32 cfg_addr, u32 cfg_data, struct pci_controller **hose); int mv64x60_get_type(struct mv64x60_handle *bh); int mv64x60_setup_for_chip(struct mv64x60_handle *bh); -void *mv64x60_get_bridge_vbase(void); +void __iomem *mv64x60_get_bridge_vbase(void); u32 mv64x60_get_bridge_type(void); u32 mv64x60_get_bridge_rev(void); void mv64x60_get_mem_windows(struct mv64x60_handle *bh, diff --git a/include/asm-ppc64/tlbflush.h b/include/asm-ppc64/tlbflush.h index 45411a67e08..74271d7c1d1 100644 --- a/include/asm-ppc64/tlbflush.h +++ b/include/asm-ppc64/tlbflush.h @@ -25,6 +25,7 @@ struct ppc64_tlb_batch { pte_t pte[PPC64_TLB_BATCH_NR]; unsigned long addr[PPC64_TLB_BATCH_NR]; unsigned long vaddr[PPC64_TLB_BATCH_NR]; + unsigned int large; }; DECLARE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch); diff --git a/include/asm-ppc64/uaccess.h b/include/asm-ppc64/uaccess.h index c181a60d868..132c1276547 100644 --- a/include/asm-ppc64/uaccess.h +++ b/include/asm-ppc64/uaccess.h @@ -164,7 +164,8 @@ do { \ #define __get_user_nocheck(x,ptr,size) \ ({ \ - long __gu_err, __gu_val; \ + long __gu_err; \ + unsigned long __gu_val; \ might_sleep(); \ __get_user_size(__gu_val,(ptr),(size),__gu_err,-EFAULT);\ (x) = (__typeof__(*(ptr)))__gu_val; \ @@ -173,7 +174,8 @@ do { \ #define __get_user_check(x,ptr,size) \ ({ \ - long __gu_err = -EFAULT, __gu_val = 0; \ + long __gu_err = -EFAULT; \ + unsigned long __gu_val = 0; \ const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ might_sleep(); \ if (access_ok(VERIFY_READ,__gu_addr,size)) \ diff --git a/include/asm-s390/sigcontext.h b/include/asm-s390/sigcontext.h index d57bc0cebdc..803545351dd 100644 --- a/include/asm-s390/sigcontext.h +++ b/include/asm-s390/sigcontext.h @@ -61,7 +61,7 @@ typedef struct struct sigcontext { unsigned long oldmask[_SIGCONTEXT_NSIG_WORDS]; - _sigregs *sregs; + _sigregs __user *sregs; }; diff --git a/include/asm-s390/signal.h b/include/asm-s390/signal.h index 3d6e11c6c1f..7084626de21 100644 --- a/include/asm-s390/signal.h +++ b/include/asm-s390/signal.h @@ -165,7 +165,7 @@ struct sigaction { #endif /* __KERNEL__ */ typedef struct sigaltstack { - void *ss_sp; + void __user *ss_sp; int ss_flags; size_t ss_size; } stack_t; diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h index 8f4f6a95965..8395ad2f1c0 100644 --- a/include/asm-sparc/pgtable.h +++ b/include/asm-sparc/pgtable.h @@ -82,6 +82,8 @@ extern unsigned long page_kernel; /* Top-level page directory */ extern pgd_t swapper_pg_dir[1024]; +extern void paging_init(void); + /* Page table for 0-4MB for everybody, on the Sparc this * holds the same as on the i386. */ diff --git a/include/asm-sparc64/cacheflush.h b/include/asm-sparc64/cacheflush.h index ededd2659ea..b3f61659ba8 100644 --- a/include/asm-sparc64/cacheflush.h +++ b/include/asm-sparc64/cacheflush.h @@ -66,6 +66,11 @@ extern void flush_ptrace_access(struct vm_area_struct *, struct page *, #define flush_cache_vmap(start, end) do { } while (0) #define flush_cache_vunmap(start, end) do { } while (0) +#ifdef CONFIG_DEBUG_PAGEALLOC +/* internal debugging function */ +void kernel_map_pages(struct page *page, int numpages, int enable); +#endif + #endif /* !__ASSEMBLY__ */ #endif /* _SPARC64_CACHEFLUSH_H */ diff --git a/include/asm-sparc64/cpudata.h b/include/asm-sparc64/cpudata.h index 9a3a81f1cc5..74de79dca91 100644 --- a/include/asm-sparc64/cpudata.h +++ b/include/asm-sparc64/cpudata.h @@ -22,6 +22,16 @@ typedef struct { unsigned int __pad1; unsigned long *pte_cache[2]; unsigned long *pgd_cache; + + /* Dcache line 3, rarely used */ + unsigned int dcache_size; + unsigned int dcache_line_size; + unsigned int icache_size; + unsigned int icache_line_size; + unsigned int ecache_size; + unsigned int ecache_line_size; + unsigned int __pad2; + unsigned int __pad3; } cpuinfo_sparc; DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); diff --git a/include/asm-sparc64/head.h b/include/asm-sparc64/head.h index b63a33cf497..0abd3a674e8 100644 --- a/include/asm-sparc64/head.h +++ b/include/asm-sparc64/head.h @@ -12,9 +12,12 @@ #define __JALAPENO_ID 0x003e0016 #define CHEETAH_MANUF 0x003e -#define CHEETAH_IMPL 0x0014 -#define CHEETAH_PLUS_IMPL 0x0015 -#define JALAPENO_IMPL 0x0016 +#define CHEETAH_IMPL 0x0014 /* Ultra-III */ +#define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */ +#define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */ +#define JAGUAR_IMPL 0x0018 /* Ultra-IV */ +#define PANTHER_IMPL 0x0019 /* Ultra-IV+ */ +#define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */ #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \ rdpr %ver, %tmp1; \ diff --git a/include/asm-sparc64/openprom.h b/include/asm-sparc64/openprom.h index 0a336901d58..b4959d2b0d9 100644 --- a/include/asm-sparc64/openprom.h +++ b/include/asm-sparc64/openprom.h @@ -186,8 +186,8 @@ struct linux_prom_registers { }; struct linux_prom64_registers { - long phys_addr; - long reg_size; + unsigned long phys_addr; + unsigned long reg_size; }; struct linux_prom_irqs { diff --git a/include/asm-sparc64/oplib.h b/include/asm-sparc64/oplib.h index a432d9e7daa..d02f1e8ae1a 100644 --- a/include/asm-sparc64/oplib.h +++ b/include/asm-sparc64/oplib.h @@ -38,6 +38,20 @@ extern int prom_stdin, prom_stdout; */ extern int prom_chosen_node; +/* Helper values and strings in arch/sparc64/kernel/head.S */ +extern const char prom_finddev_name[]; +extern const char prom_chosen_path[]; +extern const char prom_getprop_name[]; +extern const char prom_mmu_name[]; +extern const char prom_callmethod_name[]; +extern const char prom_translate_name[]; +extern const char prom_map_name[]; +extern const char prom_unmap_name[]; +extern int prom_mmu_ihandle_cache; +extern unsigned int prom_boot_mapped_pc; +extern unsigned int prom_boot_mapping_mode; +extern unsigned long prom_boot_mapping_phys_high, prom_boot_mapping_phys_low; + struct linux_mlist_p1275 { struct linux_mlist_p1275 *theres_more; unsigned long start_adr; @@ -68,7 +82,7 @@ extern char *prom_getbootargs(void); * of the string is different on V0 vs. V2->higher proms. The caller must * know what he/she is doing! Returns the device descriptor, an int. */ -extern int prom_devopen(char *device_string); +extern int prom_devopen(const char *device_string); /* Close a previously opened device described by the passed integer * descriptor. @@ -81,27 +95,13 @@ extern int prom_devclose(int device_handle); extern void prom_seek(int device_handle, unsigned int seek_hival, unsigned int seek_lowval); -/* Machine memory configuration routine. */ - -/* This function returns a V0 format memory descriptor table, it has three - * entries. One for the total amount of physical ram on the machine, one - * for the amount of physical ram available, and one describing the virtual - * areas which are allocated by the prom. So, in a sense the physical - * available is a calculation of the total physical minus the physical mapped - * by the prom with virtual mappings. - * - * These lists are returned pre-sorted, this should make your life easier - * since the prom itself is way too lazy to do such nice things. - */ -extern struct linux_mem_p1275 *prom_meminfo(void); - /* Miscellaneous routines, don't really fit in any category per se. */ /* Reboot the machine with the command line passed. */ -extern void prom_reboot(char *boot_command); +extern void prom_reboot(const char *boot_command); /* Evaluate the forth string passed. */ -extern void prom_feval(char *forth_string); +extern void prom_feval(const char *forth_string); /* Enter the prom, with possibility of continuation with the 'go' * command in newer proms. @@ -154,7 +154,7 @@ extern char prom_getchar(void); extern void prom_putchar(char character); /* Prom's internal routines, don't use in kernel/boot code. */ -extern void prom_printf(char *fmt, ...); +extern void prom_printf(const char *fmt, ...); extern void prom_write(const char *buf, unsigned int len); /* Query for input device type */ @@ -215,7 +215,7 @@ extern int prom_getunumber(int syndrome_code, char *buf, int buflen); /* Retain physical memory to the caller across soft resets. */ -extern unsigned long prom_retain(char *name, +extern unsigned long prom_retain(const char *name, unsigned long pa_low, unsigned long pa_high, long size, long align); @@ -269,28 +269,28 @@ extern int prom_getsibling(int node); /* Get the length, at the passed node, of the given property type. * Returns -1 on error (ie. no such property at this node). */ -extern int prom_getproplen(int thisnode, char *property); +extern int prom_getproplen(int thisnode, const char *property); /* Fetch the requested property using the given buffer. Returns * the number of bytes the prom put into your buffer or -1 on error. */ -extern int prom_getproperty(int thisnode, char *property, +extern int prom_getproperty(int thisnode, const char *property, char *prop_buffer, int propbuf_size); /* Acquire an integer property. */ -extern int prom_getint(int node, char *property); +extern int prom_getint(int node, const char *property); /* Acquire an integer property, with a default value. */ -extern int prom_getintdefault(int node, char *property, int defval); +extern int prom_getintdefault(int node, const char *property, int defval); /* Acquire a boolean property, 0=FALSE 1=TRUE. */ -extern int prom_getbool(int node, char *prop); +extern int prom_getbool(int node, const char *prop); /* Acquire a string property, null string on error. */ -extern void prom_getstring(int node, char *prop, char *buf, int bufsize); +extern void prom_getstring(int node, const char *prop, char *buf, int bufsize); /* Does the passed node have the given "name"? YES=1 NO=0 */ -extern int prom_nodematch(int thisnode, char *name); +extern int prom_nodematch(int thisnode, const char *name); /* Puts in buffer a prom name in the form name@x,y or name (x for which_io * and y for first regs phys address @@ -300,7 +300,7 @@ extern int prom_getname(int node, char *buf, int buflen); /* Search all siblings starting at the passed node for "name" matching * the given string. Returns the node on success, zero on failure. */ -extern int prom_searchsiblings(int node_start, char *name); +extern int prom_searchsiblings(int node_start, const char *name); /* Return the first property type, as a string, for the given node. * Returns a null string on error. Buffer should be at least 32B long. @@ -310,21 +310,21 @@ extern char *prom_firstprop(int node, char *buffer); /* Returns the next property after the passed property for the given * node. Returns null string on failure. Buffer should be at least 32B long. */ -extern char *prom_nextprop(int node, char *prev_property, char *buffer); +extern char *prom_nextprop(int node, const char *prev_property, char *buffer); /* Returns 1 if the specified node has given property. */ -extern int prom_node_has_property(int node, char *property); +extern int prom_node_has_property(int node, const char *property); /* Returns phandle of the path specified */ -extern int prom_finddevice(char *name); +extern int prom_finddevice(const char *name); /* Set the indicated property at the given node with the passed value. * Returns the number of bytes of your value that the prom took. */ -extern int prom_setprop(int node, char *prop_name, char *prop_value, +extern int prom_setprop(int node, const char *prop_name, char *prop_value, int value_size); -extern int prom_pathtoinode(char *path); +extern int prom_pathtoinode(const char *path); extern int prom_inst2pkg(int); /* CPU probing helpers. */ @@ -334,7 +334,7 @@ int cpu_find_by_mid(int mid, int *prom_node); /* Client interface level routines. */ extern void prom_set_trap_table(unsigned long tba); -extern long p1275_cmd (char *, long, ...); +extern long p1275_cmd(const char *, long, ...); #if 0 diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h index 7f8d764abc4..5426bb28a99 100644 --- a/include/asm-sparc64/page.h +++ b/include/asm-sparc64/page.h @@ -140,23 +140,6 @@ extern unsigned long page_to_pfn(struct page *); #define virt_to_phys __pa #define phys_to_virt __va -/* The following structure is used to hold the physical - * memory configuration of the machine. This is filled in - * probe_memory() and is later used by mem_init() to set up - * mem_map[]. We statically allocate SPARC_PHYS_BANKS of - * these structs, this is arbitrary. The entry after the - * last valid one has num_bytes==0. - */ - -struct sparc_phys_banks { - unsigned long base_addr; - unsigned long num_bytes; -}; - -#define SPARC_PHYS_BANKS 32 - -extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS]; - #endif /* !(__ASSEMBLY__) */ #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h index a297f6144f0..8c6dfc6c7af 100644 --- a/include/asm-sparc64/pgtable.h +++ b/include/asm-sparc64/pgtable.h @@ -60,13 +60,13 @@ * table can map */ #define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3)) -#define PMD_SIZE (1UL << PMD_SHIFT) +#define PMD_SIZE (_AC(1,UL) << PMD_SHIFT) #define PMD_MASK (~(PMD_SIZE-1)) #define PMD_BITS (PAGE_SHIFT - 2) /* PGDIR_SHIFT determines what a third-level page table entry can map */ #define PGDIR_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3) + PMD_BITS) -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_SIZE (_AC(1,UL) << PGDIR_SHIFT) #define PGDIR_MASK (~(PGDIR_SIZE-1)) #define PGDIR_BITS (PAGE_SHIFT - 2) @@ -98,7 +98,9 @@ #define _PAGE_NFO _AC(0x1000000000000000,UL) /* No Fault Only */ #define _PAGE_IE _AC(0x0800000000000000,UL) /* Invert Endianness */ #define _PAGE_SOFT2 _AC(0x07FC000000000000,UL) /* Software bits, set 2 */ -#define _PAGE_RES1 _AC(0x0003000000000000,UL) /* Reserved */ +#define _PAGE_RES1 _AC(0x0002000000000000,UL) /* Reserved */ +#define _PAGE_SZ32MB _AC(0x0001000000000000,UL) /* (Panther) 32MB page */ +#define _PAGE_SZ256MB _AC(0x2001000000000000,UL) /* (Panther) 256MB page */ #define _PAGE_SN _AC(0x0000800000000000,UL) /* (Cheetah) Snoop */ #define _PAGE_RES2 _AC(0x0000780000000000,UL) /* Reserved */ #define _PAGE_PADDR_SF _AC(0x000001FFFFFFE000,UL) /* (Spitfire) paddr[40:13]*/ @@ -336,7 +338,11 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *p #define pte_clear(mm,addr,ptep) \ set_pte_at((mm), (addr), (ptep), __pte(0UL)) -extern pgd_t swapper_pg_dir[1]; +extern pgd_t swapper_pg_dir[2048]; +extern pmd_t swapper_low_pmd_dir[2048]; + +extern void paging_init(void); +extern unsigned long find_ecache_flush_span(unsigned long size); /* These do nothing with the way I have things setup. */ #define mmu_lockarea(vaddr, len) (vaddr) diff --git a/include/asm-sparc64/uaccess.h b/include/asm-sparc64/uaccess.h index 80a65d7e3db..203e8eee635 100644 --- a/include/asm-sparc64/uaccess.h +++ b/include/asm-sparc64/uaccess.h @@ -70,26 +70,14 @@ static inline int access_ok(int type, const void __user * addr, unsigned long si * with the main instruction path. This means when everything is well, * we don't even have to jump over them. Further, they do not intrude * on our cache or tlb entries. - * - * There is a special way how to put a range of potentially faulting - * insns (like twenty ldd/std's with now intervening other instructions) - * You specify address of first in insn and 0 in fixup and in the next - * exception_table_entry you specify last potentially faulting insn + 1 - * and in fixup the routine which should handle the fault. - * That fixup code will get - * (faulting_insn_address - first_insn_in_the_range_address)/4 - * in %g2 (ie. index of the faulting instruction in the range). */ -struct exception_table_entry -{ - unsigned insn, fixup; +struct exception_table_entry { + unsigned int insn, fixup; }; -/* Special exable search, which handles ranges. Returns fixup */ -unsigned long search_extables_range(unsigned long addr, unsigned long *g2); - extern void __ret_efault(void); +extern void __retl_efault(void); /* Uh, these should become the main single-value transfer routines.. * They automatically use the right size if we just have the right @@ -263,7 +251,7 @@ copy_from_user(void *to, const void __user *from, unsigned long size) { unsigned long ret = ___copy_from_user(to, from, size); - if (ret) + if (unlikely(ret)) ret = copy_from_user_fixup(to, from, size); return ret; } @@ -279,7 +267,7 @@ copy_to_user(void __user *to, const void *from, unsigned long size) { unsigned long ret = ___copy_to_user(to, from, size); - if (ret) + if (unlikely(ret)) ret = copy_to_user_fixup(to, from, size); return ret; } @@ -295,7 +283,7 @@ copy_in_user(void __user *to, void __user *from, unsigned long size) { unsigned long ret = ___copy_in_user(to, from, size); - if (ret) + if (unlikely(ret)) ret = copy_in_user_fixup(to, from, size); return ret; } diff --git a/include/asm-um/uaccess.h b/include/asm-um/uaccess.h index 801710d00a4..2ee028b8de9 100644 --- a/include/asm-um/uaccess.h +++ b/include/asm-um/uaccess.h @@ -44,7 +44,7 @@ const __typeof__(ptr) __private_ptr = ptr; \ __typeof__(*(__private_ptr)) __private_val; \ int __private_ret = -EFAULT; \ - (x) = 0; \ + (x) = (__typeof__(*(__private_ptr)))0; \ if (__copy_from_user(&__private_val, (__private_ptr), \ sizeof(*(__private_ptr))) == 0) {\ (x) = (__typeof__(*(__private_ptr))) __private_val; \ diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h index 4d727f3f555..5a7fe3c6c3d 100644 --- a/include/asm-x86_64/msr.h +++ b/include/asm-x86_64/msr.h @@ -234,6 +234,7 @@ static inline unsigned int cpuid_edx(unsigned int op) #define MSR_K8_TOP_MEM1 0xC001001A #define MSR_K8_TOP_MEM2 0xC001001D #define MSR_K8_SYSCFG 0xC0010010 +#define MSR_K8_HWCR 0xC0010015 /* K6 MSRs */ #define MSR_K6_EFER 0xC0000080 diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index 2cb48351645..dd8711ecaf2 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -384,7 +384,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) } #define pte_index(address) \ - ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) #define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_kernel(*(dir)) + \ pte_index(address)) diff --git a/include/linux/aio.h b/include/linux/aio.h index a4d5af907f9..60def658b24 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -43,6 +43,40 @@ struct kioctx; #define kiocbIsKicked(iocb) test_bit(KIF_KICKED, &(iocb)->ki_flags) #define kiocbIsCancelled(iocb) test_bit(KIF_CANCELLED, &(iocb)->ki_flags) +/* is there a better place to document function pointer methods? */ +/** + * ki_retry - iocb forward progress callback + * @kiocb: The kiocb struct to advance by performing an operation. + * + * This callback is called when the AIO core wants a given AIO operation + * to make forward progress. The kiocb argument describes the operation + * that is to be performed. As the operation proceeds, perhaps partially, + * ki_retry is expected to update the kiocb with progress made. Typically + * ki_retry is set in the AIO core and it itself calls file_operations + * helpers. + * + * ki_retry's return value determines when the AIO operation is completed + * and an event is generated in the AIO event ring. Except the special + * return values described below, the value that is returned from ki_retry + * is transferred directly into the completion ring as the operation's + * resulting status. Once this has happened ki_retry *MUST NOT* reference + * the kiocb pointer again. + * + * If ki_retry returns -EIOCBQUEUED it has made a promise that aio_complete() + * will be called on the kiocb pointer in the future. The AIO core will + * not ask the method again -- ki_retry must ensure forward progress. + * aio_complete() must be called once and only once in the future, multiple + * calls may result in undefined behaviour. + * + * If ki_retry returns -EIOCBRETRY it has made a promise that kick_iocb() + * will be called on the kiocb pointer in the future. This may happen + * through generic helpers that associate kiocb->ki_wait with a wait + * queue head that ki_retry uses via current->io_wait. It can also happen + * with custom tracking and manual calls to kick_iocb(), though that is + * discouraged. In either case, kick_iocb() must be called once and only + * once. ki_retry must ensure forward progress, the AIO core will wait + * indefinitely for kick_iocb() to be called. + */ struct kiocb { struct list_head ki_run_list; long ki_flags; diff --git a/include/linux/ata.h b/include/linux/ata.h index 6fec2f6f2d5..65cd7e5b2f1 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -132,6 +132,7 @@ enum { ATA_CMD_PACKET = 0xA0, ATA_CMD_VERIFY = 0x40, ATA_CMD_VERIFY_EXT = 0x42, + ATA_CMD_INIT_DEV_PARAMS = 0x91, /* SETFEATURES stuff */ SETFEATURES_XFER = 0x03, @@ -146,14 +147,14 @@ enum { XFER_MW_DMA_2 = 0x22, XFER_MW_DMA_1 = 0x21, XFER_MW_DMA_0 = 0x20, + XFER_SW_DMA_2 = 0x12, + XFER_SW_DMA_1 = 0x11, + XFER_SW_DMA_0 = 0x10, XFER_PIO_4 = 0x0C, XFER_PIO_3 = 0x0B, XFER_PIO_2 = 0x0A, XFER_PIO_1 = 0x09, XFER_PIO_0 = 0x08, - XFER_SW_DMA_2 = 0x12, - XFER_SW_DMA_1 = 0x11, - XFER_SW_DMA_0 = 0x10, XFER_PIO_SLOW = 0x00, /* ATAPI stuff */ @@ -181,7 +182,8 @@ enum { ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */ ATA_TFLAG_DEVICE = (1 << 2), /* enable r/w to device reg */ ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */ - ATA_TFLAG_POLLING = (1 << 4), /* set nIEN to 1 and use polling */ + ATA_TFLAG_LBA = (1 << 4), /* enable LBA */ + ATA_TFLAG_POLLING = (1 << 5), /* set nIEN to 1 and use polling */ }; enum ata_tf_protocols { @@ -253,6 +255,18 @@ struct ata_taskfile { #define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20) +static inline int ata_id_current_chs_valid(u16 *id) +{ + /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command + has not been issued to the device then the values of + id[54] to id[56] are vendor specific. */ + return (id[53] & 0x01) && /* Current translation valid */ + id[54] && /* cylinders in current translation */ + id[55] && /* heads in current translation */ + id[55] <= 16 && + id[56]; /* sectors in current translation */ +} + static inline int atapi_cdb_len(u16 *dev_id) { u16 tmp = dev_id[0] & 0x3; diff --git a/include/linux/connector.h b/include/linux/connector.h index 96de26301f8..86d4b0a8171 100644 --- a/include/linux/connector.h +++ b/include/linux/connector.h @@ -104,12 +104,19 @@ struct cn_queue_dev { struct sock *nls; }; -struct cn_callback { +struct cn_callback_id { unsigned char name[CN_CBQ_NAMELEN]; - struct cb_id id; +}; + +struct cn_callback_data { + void (*destruct_data) (void *); + void *ddata; + + void *callback_priv; void (*callback) (void *); - void *priv; + + void *free; }; struct cn_callback_entry { @@ -118,8 +125,8 @@ struct cn_callback_entry { struct work_struct work; struct cn_queue_dev *pdev; - void (*destruct_data) (void *); - void *ddata; + struct cn_callback_id id; + struct cn_callback_data data; int seq, group; struct sock *nls; @@ -144,7 +151,7 @@ int cn_add_callback(struct cb_id *, char *, void (*callback) (void *)); void cn_del_callback(struct cb_id *); int cn_netlink_send(struct cn_msg *, u32, int); -int cn_queue_add_callback(struct cn_queue_dev *dev, struct cn_callback *cb); +int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(void *)); void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id); struct cn_queue_dev *cn_queue_alloc_dev(char *name, struct sock *); @@ -152,6 +159,8 @@ void cn_queue_free_dev(struct cn_queue_dev *dev); int cn_cb_equal(struct cb_id *, struct cb_id *); +void cn_queue_wrapper(void *data); + extern int cn_already_initialized; #endif /* __KERNEL__ */ diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index fc2d4c8225a..d21c305c6c6 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -111,7 +111,9 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) return (struct ethhdr *)skb->mac.raw; } +#ifdef CONFIG_SYSCTL extern struct ctl_table ether_table[]; #endif +#endif #endif /* _LINUX_IF_ETHER_H */ diff --git a/include/linux/key-ui.h b/include/linux/key-ui.h index cc326174a80..918c34a8347 100644 --- a/include/linux/key-ui.h +++ b/include/linux/key-ui.h @@ -42,11 +42,14 @@ struct keyring_list { /* * check to see whether permission is granted to use a key in the desired way */ -static inline int key_permission(const struct key *key, key_perm_t perm) +static inline int key_permission(const key_ref_t key_ref, key_perm_t perm) { + struct key *key = key_ref_to_ptr(key_ref); key_perm_t kperm; - if (key->uid == current->fsuid) + if (is_key_possessed(key_ref)) + kperm = key->perm >> 24; + else if (key->uid == current->fsuid) kperm = key->perm >> 16; else if (key->gid != -1 && key->perm & KEY_GRP_ALL && @@ -65,11 +68,14 @@ static inline int key_permission(const struct key *key, key_perm_t perm) * check to see whether permission is granted to use a key in at least one of * the desired ways */ -static inline int key_any_permission(const struct key *key, key_perm_t perm) +static inline int key_any_permission(const key_ref_t key_ref, key_perm_t perm) { + struct key *key = key_ref_to_ptr(key_ref); key_perm_t kperm; - if (key->uid == current->fsuid) + if (is_key_possessed(key_ref)) + kperm = key->perm >> 24; + else if (key->uid == current->fsuid) kperm = key->perm >> 16; else if (key->gid != -1 && key->perm & KEY_GRP_ALL && @@ -94,13 +100,17 @@ static inline int key_task_groups_search(struct task_struct *tsk, gid_t gid) return ret; } -static inline int key_task_permission(const struct key *key, +static inline int key_task_permission(const key_ref_t key_ref, struct task_struct *context, key_perm_t perm) { + struct key *key = key_ref_to_ptr(key_ref); key_perm_t kperm; - if (key->uid == context->fsuid) { + if (is_key_possessed(key_ref)) { + kperm = key->perm >> 24; + } + else if (key->uid == context->fsuid) { kperm = key->perm >> 16; } else if (key->gid != -1 && @@ -121,9 +131,9 @@ static inline int key_task_permission(const struct key *key, } -extern struct key *lookup_user_key(struct task_struct *context, - key_serial_t id, int create, int partial, - key_perm_t perm); +extern key_ref_t lookup_user_key(struct task_struct *context, + key_serial_t id, int create, int partial, + key_perm_t perm); extern long join_session_keyring(const char *name); diff --git a/include/linux/key.h b/include/linux/key.h index 970bbd916cf..f1efa016dbf 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -35,11 +35,18 @@ struct key; #undef KEY_DEBUGGING -#define KEY_USR_VIEW 0x00010000 /* user can view a key's attributes */ -#define KEY_USR_READ 0x00020000 /* user can read key payload / view keyring */ -#define KEY_USR_WRITE 0x00040000 /* user can update key payload / add link to keyring */ -#define KEY_USR_SEARCH 0x00080000 /* user can find a key in search / search a keyring */ -#define KEY_USR_LINK 0x00100000 /* user can create a link to a key/keyring */ +#define KEY_POS_VIEW 0x01000000 /* possessor can view a key's attributes */ +#define KEY_POS_READ 0x02000000 /* possessor can read key payload / view keyring */ +#define KEY_POS_WRITE 0x04000000 /* possessor can update key payload / add link to keyring */ +#define KEY_POS_SEARCH 0x08000000 /* possessor can find a key in search / search a keyring */ +#define KEY_POS_LINK 0x10000000 /* possessor can create a link to a key/keyring */ +#define KEY_POS_ALL 0x1f000000 + +#define KEY_USR_VIEW 0x00010000 /* user permissions... */ +#define KEY_USR_READ 0x00020000 +#define KEY_USR_WRITE 0x00040000 +#define KEY_USR_SEARCH 0x00080000 +#define KEY_USR_LINK 0x00100000 #define KEY_USR_ALL 0x001f0000 #define KEY_GRP_VIEW 0x00000100 /* group permissions... */ @@ -67,6 +74,38 @@ struct keyring_name; /*****************************************************************************/ /* + * key reference with possession attribute handling + * + * NOTE! key_ref_t is a typedef'd pointer to a type that is not actually + * defined. This is because we abuse the bottom bit of the reference to carry a + * flag to indicate whether the calling process possesses that key in one of + * its keyrings. + * + * the key_ref_t has been made a separate type so that the compiler can reject + * attempts to dereference it without proper conversion. + * + * the three functions are used to assemble and disassemble references + */ +typedef struct __key_reference_with_attributes *key_ref_t; + +static inline key_ref_t make_key_ref(const struct key *key, + unsigned long possession) +{ + return (key_ref_t) ((unsigned long) key | possession); +} + +static inline struct key *key_ref_to_ptr(const key_ref_t key_ref) +{ + return (struct key *) ((unsigned long) key_ref & ~1UL); +} + +static inline unsigned long is_key_possessed(const key_ref_t key_ref) +{ + return (unsigned long) key_ref & 1UL; +} + +/*****************************************************************************/ +/* * authentication token / access credential / keyring * - types of key include: * - keyrings @@ -215,20 +254,25 @@ static inline struct key *key_get(struct key *key) return key; } +static inline void key_ref_put(key_ref_t key_ref) +{ + key_put(key_ref_to_ptr(key_ref)); +} + extern struct key *request_key(struct key_type *type, const char *description, const char *callout_info); extern int key_validate(struct key *key); -extern struct key *key_create_or_update(struct key *keyring, - const char *type, - const char *description, - const void *payload, - size_t plen, - int not_in_quota); +extern key_ref_t key_create_or_update(key_ref_t keyring, + const char *type, + const char *description, + const void *payload, + size_t plen, + int not_in_quota); -extern int key_update(struct key *key, +extern int key_update(key_ref_t key, const void *payload, size_t plen); @@ -243,9 +287,9 @@ extern struct key *keyring_alloc(const char *description, uid_t uid, gid_t gid, extern int keyring_clear(struct key *keyring); -extern struct key *keyring_search(struct key *keyring, - struct key_type *type, - const char *description); +extern key_ref_t keyring_search(key_ref_t keyring, + struct key_type *type, + const char *description); extern int keyring_add_key(struct key *keyring, struct key *key); @@ -285,6 +329,10 @@ extern void key_init(void); #define key_serial(k) 0 #define key_get(k) ({ NULL; }) #define key_put(k) do { } while(0) +#define key_ref_put(k) do { } while(0) +#define make_key_ref(k) ({ NULL; }) +#define key_ref_to_ptr(k) ({ NULL; }) +#define is_key_possessed(k) 0 #define alloc_uid_keyring(u) 0 #define switch_uid_keyring(u) do { } while(0) #define __install_session_keyring(t, k) ({ NULL; }) diff --git a/include/linux/libata.h b/include/linux/libata.h index 7e6feb97406..dbf5f08fb3e 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -97,7 +97,8 @@ enum { ATA_DFLAG_LBA48 = (1 << 0), /* device supports LBA48 */ ATA_DFLAG_PIO = (1 << 1), /* device currently in PIO mode */ ATA_DFLAG_LOCK_SECTORS = (1 << 2), /* don't adjust max_sectors */ - ATA_DFLAG_CDB_INTR = (1 << 3), /* device asserts INTRQ when ready for CDB */ + ATA_DFLAG_LBA = (1 << 3), /* device supports LBA */ + ATA_DFLAG_CDB_INTR = (1 << 4), /* device asserts INTRQ when ready for CDB */ ATA_DEV_UNKNOWN = 0, /* unknown device */ ATA_DEV_ATA = 1, /* ATA device */ @@ -285,6 +286,11 @@ struct ata_device { u8 xfer_protocol; /* taskfile xfer protocol */ u8 read_cmd; /* opcode to use on read */ u8 write_cmd; /* opcode to use on write */ + + /* for CHS addressing */ + u16 cylinders; /* Number of cylinders */ + u16 heads; /* Number of heads */ + u16 sectors; /* Number of sectors per track */ }; struct ata_port { diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 47da39ba3f0..2f0299a448f 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -183,7 +183,7 @@ struct of_device_id char name[32]; char type[32]; char compatible[128]; -#if __KERNEL__ +#ifdef __KERNEL__ void *data; #else kernel_ulong_t data; @@ -209,10 +209,11 @@ struct pcmcia_device_id { /* for real multi-function devices */ __u8 function; - /* for pseude multi-function devices */ + /* for pseudo multi-function devices */ __u8 device_no; - __u32 prod_id_hash[4]; + __u32 prod_id_hash[4] + __attribute__((aligned(sizeof(__u32)))); /* not matched against in kernelspace*/ #ifdef __KERNEL__ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 7c717907896..368e4c825ff 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -265,6 +265,8 @@ struct net_device * the interface. */ char name[IFNAMSIZ]; + /* device name hash chain */ + struct hlist_node name_hlist; /* * I/O specific fields @@ -292,6 +294,21 @@ struct net_device /* ------- Fields preinitialized in Space.c finish here ------- */ + /* Net device features */ + unsigned long features; +#define NETIF_F_SG 1 /* Scatter/gather IO. */ +#define NETIF_F_IP_CSUM 2 /* Can checksum only TCP/UDP over IPv4. */ +#define NETIF_F_NO_CSUM 4 /* Does not require checksum. F.e. loopack. */ +#define NETIF_F_HW_CSUM 8 /* Can checksum all the packets. */ +#define NETIF_F_HIGHDMA 32 /* Can DMA to high memory. */ +#define NETIF_F_FRAGLIST 64 /* Scatter/gather IO. */ +#define NETIF_F_HW_VLAN_TX 128 /* Transmit VLAN hw acceleration */ +#define NETIF_F_HW_VLAN_RX 256 /* Receive VLAN hw acceleration */ +#define NETIF_F_HW_VLAN_FILTER 512 /* Receive filtering on VLAN */ +#define NETIF_F_VLAN_CHALLENGED 1024 /* Device cannot handle VLAN packets */ +#define NETIF_F_TSO 2048 /* Can offload TCP/IP segmentation */ +#define NETIF_F_LLTX 4096 /* LockLess TX */ + struct net_device *next_sched; /* Interface index. Unique device identifier */ @@ -316,9 +333,6 @@ struct net_device * will (read: may be cleaned up at will). */ - /* These may be needed for future network-power-down code. */ - unsigned long trans_start; /* Time (in jiffies) of last Tx */ - unsigned long last_rx; /* Time of last Rx */ unsigned short flags; /* interface flags (a la BSD) */ unsigned short gflags; @@ -328,15 +342,12 @@ struct net_device unsigned mtu; /* interface MTU value */ unsigned short type; /* interface hardware type */ unsigned short hard_header_len; /* hardware hdr length */ - void *priv; /* pointer to private data */ struct net_device *master; /* Pointer to master device of a group, * which this device is member of. */ /* Interface address info. */ - unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */ - unsigned char dev_addr[MAX_ADDR_LEN]; /* hw address */ unsigned char perm_addr[MAX_ADDR_LEN]; /* permanent hw address */ unsigned char addr_len; /* hardware address length */ unsigned short dev_id; /* for shared network cards */ @@ -346,8 +357,6 @@ struct net_device int promiscuity; int allmulti; - int watchdog_timeo; - struct timer_list watchdog_timer; /* Protocol specific pointers */ @@ -358,32 +367,62 @@ struct net_device void *ec_ptr; /* Econet specific data */ void *ax25_ptr; /* AX.25 specific data */ - struct list_head poll_list; /* Link to poll list */ +/* + * Cache line mostly used on receive path (including eth_type_trans()) + */ + struct list_head poll_list ____cacheline_aligned_in_smp; + /* Link to poll list */ + + int (*poll) (struct net_device *dev, int *quota); int quota; int weight; + unsigned long last_rx; /* Time of last Rx */ + /* Interface address info used in eth_type_trans() */ + unsigned char dev_addr[MAX_ADDR_LEN]; /* hw address, (before bcast + because most packets are unicast) */ + + unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */ +/* + * Cache line mostly used on queue transmit path (qdisc) + */ + /* device queue lock */ + spinlock_t queue_lock ____cacheline_aligned_in_smp; struct Qdisc *qdisc; struct Qdisc *qdisc_sleeping; - struct Qdisc *qdisc_ingress; struct list_head qdisc_list; unsigned long tx_queue_len; /* Max frames per queue allowed */ /* ingress path synchronizer */ spinlock_t ingress_lock; + struct Qdisc *qdisc_ingress; + +/* + * One part is mostly used on xmit path (device) + */ /* hard_start_xmit synchronizer */ - spinlock_t xmit_lock; + spinlock_t xmit_lock ____cacheline_aligned_in_smp; /* cpu id of processor entered to hard_start_xmit or -1, if nobody entered there. */ int xmit_lock_owner; - /* device queue lock */ - spinlock_t queue_lock; + void *priv; /* pointer to private data */ + int (*hard_start_xmit) (struct sk_buff *skb, + struct net_device *dev); + /* These may be needed for future network-power-down code. */ + unsigned long trans_start; /* Time (in jiffies) of last Tx */ + + int watchdog_timeo; /* used by dev_watchdog() */ + struct timer_list watchdog_timer; + +/* + * refcnt is a very hot point, so align it on SMP + */ /* Number of references to this device */ - atomic_t refcnt; + atomic_t refcnt ____cacheline_aligned_in_smp; + /* delayed register/unregister */ struct list_head todo_list; - /* device name hash chain */ - struct hlist_node name_hlist; /* device index hash chain */ struct hlist_node index_hlist; @@ -396,21 +435,6 @@ struct net_device NETREG_RELEASED, /* called free_netdev */ } reg_state; - /* Net device features */ - unsigned long features; -#define NETIF_F_SG 1 /* Scatter/gather IO. */ -#define NETIF_F_IP_CSUM 2 /* Can checksum only TCP/UDP over IPv4. */ -#define NETIF_F_NO_CSUM 4 /* Does not require checksum. F.e. loopack. */ -#define NETIF_F_HW_CSUM 8 /* Can checksum all the packets. */ -#define NETIF_F_HIGHDMA 32 /* Can DMA to high memory. */ -#define NETIF_F_FRAGLIST 64 /* Scatter/gather IO. */ -#define NETIF_F_HW_VLAN_TX 128 /* Transmit VLAN hw acceleration */ -#define NETIF_F_HW_VLAN_RX 256 /* Receive VLAN hw acceleration */ -#define NETIF_F_HW_VLAN_FILTER 512 /* Receive filtering on VLAN */ -#define NETIF_F_VLAN_CHALLENGED 1024 /* Device cannot handle VLAN packets */ -#define NETIF_F_TSO 2048 /* Can offload TCP/IP segmentation */ -#define NETIF_F_LLTX 4096 /* LockLess TX */ - /* Called after device is detached from network. */ void (*uninit)(struct net_device *dev); /* Called after last user reference disappears. */ @@ -419,10 +443,7 @@ struct net_device /* Pointers to interface service routines. */ int (*open)(struct net_device *dev); int (*stop)(struct net_device *dev); - int (*hard_start_xmit) (struct sk_buff *skb, - struct net_device *dev); #define HAVE_NETDEV_POLL - int (*poll) (struct net_device *dev, int *quota); int (*hard_header) (struct sk_buff *skb, struct net_device *dev, unsigned short type, diff --git a/include/linux/netfilter_ipv4/ip_nat_core.h b/include/linux/netfilter_ipv4/ip_nat_core.h index 3b50eb91f00..30db23f06b0 100644 --- a/include/linux/netfilter_ipv4/ip_nat_core.h +++ b/include/linux/netfilter_ipv4/ip_nat_core.h @@ -5,16 +5,14 @@ /* This header used to share core functionality between the standalone NAT module, and the compatibility layer's use of NAT for masquerading. */ -extern int ip_nat_init(void); -extern void ip_nat_cleanup(void); -extern unsigned int nat_packet(struct ip_conntrack *ct, +extern unsigned int ip_nat_packet(struct ip_conntrack *ct, enum ip_conntrack_info conntrackinfo, unsigned int hooknum, struct sk_buff **pskb); -extern int icmp_reply_translation(struct sk_buff **pskb, - struct ip_conntrack *ct, - enum ip_nat_manip_type manip, - enum ip_conntrack_dir dir); +extern int ip_nat_icmp_reply_translation(struct sk_buff **pskb, + struct ip_conntrack *ct, + enum ip_nat_manip_type manip, + enum ip_conntrack_dir dir); #endif /* _IP_NAT_CORE_H */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index b86a4b77007..eb36fd293b4 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -392,6 +392,7 @@ #define PCI_DEVICE_ID_NS_87560_USB 0x0012 #define PCI_DEVICE_ID_NS_83815 0x0020 #define PCI_DEVICE_ID_NS_83820 0x0022 +#define PCI_DEVICE_ID_NS_SATURN 0x0035 #define PCI_DEVICE_ID_NS_SCx200_BRIDGE 0x0500 #define PCI_DEVICE_ID_NS_SCx200_SMI 0x0501 #define PCI_DEVICE_ID_NS_SCx200_IDE 0x0502 @@ -769,6 +770,8 @@ #define PCI_DEVICE_ID_TI_TVP4010 0x3d04 #define PCI_DEVICE_ID_TI_TVP4020 0x3d07 #define PCI_DEVICE_ID_TI_4450 0x8011 +#define PCI_DEVICE_ID_TI_XX21_XX11 0x8031 +#define PCI_DEVICE_ID_TI_X515 0x8036 #define PCI_DEVICE_ID_TI_1130 0xac12 #define PCI_DEVICE_ID_TI_1031 0xac13 #define PCI_DEVICE_ID_TI_1131 0xac15 @@ -785,12 +788,17 @@ #define PCI_DEVICE_ID_TI_4451 0xac42 #define PCI_DEVICE_ID_TI_4510 0xac44 #define PCI_DEVICE_ID_TI_4520 0xac46 +#define PCI_DEVICE_ID_TI_7510 0xac47 +#define PCI_DEVICE_ID_TI_7610 0xac48 +#define PCI_DEVICE_ID_TI_7410 0xac49 #define PCI_DEVICE_ID_TI_1410 0xac50 #define PCI_DEVICE_ID_TI_1420 0xac51 #define PCI_DEVICE_ID_TI_1451A 0xac52 #define PCI_DEVICE_ID_TI_1620 0xac54 #define PCI_DEVICE_ID_TI_1520 0xac55 #define PCI_DEVICE_ID_TI_1510 0xac56 +#define PCI_DEVICE_ID_TI_X620 0xac8d +#define PCI_DEVICE_ID_TI_X420 0xac8e #define PCI_VENDOR_ID_SONY 0x104d #define PCI_DEVICE_ID_SONY_CXD3222 0x8039 @@ -976,6 +984,7 @@ #define PCI_DEVICE_ID_SUN_SABRE 0xa000 #define PCI_DEVICE_ID_SUN_HUMMINGBIRD 0xa001 #define PCI_DEVICE_ID_SUN_TOMATILLO 0xa801 +#define PCI_DEVICE_ID_SUN_CASSINI 0xabba #define PCI_VENDOR_ID_CMD 0x1095 #define PCI_DEVICE_ID_CMD_640 0x0640 @@ -2187,7 +2196,12 @@ #define PCI_DEVICE_ID_ENE_1211 0x1211 #define PCI_DEVICE_ID_ENE_1225 0x1225 #define PCI_DEVICE_ID_ENE_1410 0x1410 +#define PCI_DEVICE_ID_ENE_710 0x1411 +#define PCI_DEVICE_ID_ENE_712 0x1412 #define PCI_DEVICE_ID_ENE_1420 0x1420 +#define PCI_DEVICE_ID_ENE_720 0x1421 +#define PCI_DEVICE_ID_ENE_722 0x1422 + #define PCI_VENDOR_ID_CHELSIO 0x1425 #define PCI_VENDOR_ID_MIPS 0x153f diff --git a/include/linux/sched.h b/include/linux/sched.h index 49e617fa0f6..c3ba31f210a 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -107,13 +107,25 @@ extern unsigned long nr_iowait(void); #include <asm/processor.h> +/* + * Task state bitmask. NOTE! These bits are also + * encoded in fs/proc/array.c: get_task_state(). + * + * We have two separate sets of flags: task->state + * is about runnability, while task->exit_state are + * about the task exiting. Confusing, but this way + * modifying one set can't modify the other one by + * mistake. + */ #define TASK_RUNNING 0 #define TASK_INTERRUPTIBLE 1 #define TASK_UNINTERRUPTIBLE 2 #define TASK_STOPPED 4 #define TASK_TRACED 8 +/* in tsk->exit_state */ #define EXIT_ZOMBIE 16 #define EXIT_DEAD 32 +/* in tsk->state again */ #define TASK_NONINTERACTIVE 64 #define __set_task_state(tsk, state_value) \ diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 3a29a9f9b45..fc8e367f671 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -202,7 +202,8 @@ enum NET_TR=14, NET_DECNET=15, NET_ECONET=16, - NET_SCTP=17, + NET_SCTP=17, + NET_LLC=18, }; /* /proc/sys/kernel/random */ @@ -522,6 +523,29 @@ enum { NET_IPX_FORWARDING=2 }; +/* /proc/sys/net/llc */ +enum { + NET_LLC2=1, + NET_LLC_STATION=2, +}; + +/* /proc/sys/net/llc/llc2 */ +enum { + NET_LLC2_TIMEOUT=1, +}; + +/* /proc/sys/net/llc/station */ +enum { + NET_LLC_STATION_ACK_TIMEOUT=1, +}; + +/* /proc/sys/net/llc/llc2/timeout */ +enum { + NET_LLC2_ACK_TIMEOUT=1, + NET_LLC2_P_TIMEOUT=2, + NET_LLC2_REJ_TIMEOUT=3, + NET_LLC2_BUSY_TIMEOUT=4, +}; /* /proc/sys/net/appletalk */ enum { diff --git a/include/net/llc.h b/include/net/llc.h index 71769a5aeef..1adb2ef3f6f 100644 --- a/include/net/llc.h +++ b/include/net/llc.h @@ -17,6 +17,8 @@ #include <linux/list.h> #include <linux/spinlock.h> +#include <asm/atomic.h> + struct net_device; struct packet_type; struct sk_buff; @@ -44,6 +46,7 @@ struct llc_sap { unsigned char state; unsigned char p_bit; unsigned char f_bit; + atomic_t refcnt; int (*rcv_func)(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, @@ -81,13 +84,27 @@ extern struct llc_sap *llc_sap_open(unsigned char lsap, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)); +static inline void llc_sap_hold(struct llc_sap *sap) +{ + atomic_inc(&sap->refcnt); +} + extern void llc_sap_close(struct llc_sap *sap); +static inline void llc_sap_put(struct llc_sap *sap) +{ + if (atomic_dec_and_test(&sap->refcnt)) + llc_sap_close(sap); +} + extern struct llc_sap *llc_sap_find(unsigned char sap_value); extern int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb, unsigned char *dmac, unsigned char dsap); +extern void llc_sap_handler(struct llc_sap *sap, struct sk_buff *skb); +extern void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb); + extern int llc_station_init(void); extern void llc_station_exit(void); @@ -98,4 +115,17 @@ extern void llc_proc_exit(void); #define llc_proc_init() (0) #define llc_proc_exit() do { } while(0) #endif /* CONFIG_PROC_FS */ +#ifdef CONFIG_SYSCTL +extern int llc_sysctl_init(void); +extern void llc_sysctl_exit(void); + +extern int sysctl_llc2_ack_timeout; +extern int sysctl_llc2_busy_timeout; +extern int sysctl_llc2_p_timeout; +extern int sysctl_llc2_rej_timeout; +extern int sysctl_llc_station_ack_timeout; +#else +#define llc_sysctl_init() (0) +#define llc_sysctl_exit() do { } while(0) +#endif /* CONFIG_SYSCTL */ #endif /* LLC_H */ diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h index 8ad3bc2c23d..54852ff6033 100644 --- a/include/net/llc_conn.h +++ b/include/net/llc_conn.h @@ -19,14 +19,14 @@ #define LLC_EVENT 1 #define LLC_PACKET 2 -#define LLC_P_TIME 2 -#define LLC_ACK_TIME 1 -#define LLC_REJ_TIME 3 -#define LLC_BUSY_TIME 3 +#define LLC2_P_TIME 2 +#define LLC2_ACK_TIME 1 +#define LLC2_REJ_TIME 3 +#define LLC2_BUSY_TIME 3 struct llc_timer { struct timer_list timer; - u16 expire; /* timer expire time */ + unsigned long expire; /* timer expire time */ }; struct llc_sock { @@ -38,6 +38,7 @@ struct llc_sock { struct llc_addr laddr; /* lsap/mac pair */ struct llc_addr daddr; /* dsap/mac pair */ struct net_device *dev; /* device to send to remote */ + u32 copied_seq; /* head of yet unread data */ u8 retry_count; /* number of retries */ u8 ack_must_be_send; u8 first_pdu_Ns; @@ -92,7 +93,8 @@ static __inline__ char llc_backlog_type(struct sk_buff *skb) return skb->cb[sizeof(skb->cb) - 1]; } -extern struct sock *llc_sk_alloc(int family, int priority, struct proto *prot); +extern struct sock *llc_sk_alloc(int family, unsigned int __nocast priority, + struct proto *prot); extern void llc_sk_free(struct sock *sk); extern void llc_sk_reset(struct sock *sk); @@ -115,5 +117,4 @@ extern void llc_sap_remove_socket(struct llc_sap *sap, struct sock *sk); extern u8 llc_data_accept_state(u8 state); extern void llc_build_offset_table(void); -extern int llc_release_sockets(struct llc_sap *sap); #endif /* LLC_CONN_H */ diff --git a/include/net/llc_sap.h b/include/net/llc_sap.h index 353baaa627f..2c56dbece72 100644 --- a/include/net/llc_sap.h +++ b/include/net/llc_sap.h @@ -12,11 +12,15 @@ * See the GNU General Public License for more details. */ struct llc_sap; +struct net_device; struct sk_buff; +struct sock; extern void llc_sap_rtn_pdu(struct llc_sap *sap, struct sk_buff *skb); -extern void llc_save_primitive(struct sk_buff* skb, unsigned char prim); -extern struct sk_buff *llc_alloc_frame(void); +extern void llc_save_primitive(struct sock *sk, struct sk_buff* skb, + unsigned char prim); +extern struct sk_buff *llc_alloc_frame(struct sock *sk, + struct net_device *dev); extern void llc_build_and_send_test_pkt(struct llc_sap *sap, struct sk_buff *skb, diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h index 0f7aacc33fe..c8592c7e8ea 100644 --- a/include/pcmcia/ss.h +++ b/include/pcmcia/ss.h @@ -21,6 +21,9 @@ #include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/bulkmem.h> +#ifdef CONFIG_CARDBUS +#include <linux/pci.h> +#endif /* Definitions for card status flags for GetStatus */ #define SS_WRPROT 0x0001 @@ -233,7 +236,11 @@ struct pcmcia_socket { /* so is power hook */ int (*power_hook)(struct pcmcia_socket *sock, int operation); - +#ifdef CONFIG_CARDBUS + /* allows tuning the CB bridge before loading driver for the CB card */ + void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus); +#endif + /* state thread */ struct semaphore skt_sem; /* protects socket h/w state */ diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index e16cf94870f..e6f4c9e55df 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -665,7 +665,6 @@ struct ib_ucontext { struct list_head qp_list; struct list_head srq_list; struct list_head ah_list; - spinlock_t lock; }; struct ib_uobject { diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 3a926011507..a0f18c9cc89 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -611,6 +611,7 @@ static struct file *do_create(struct dentry *dir, struct dentry *dentry, dentry->d_fsdata = &attr; } + mode &= ~current->fs->umask; ret = vfs_create(dir->d_inode, dentry, mode, NULL); dentry->d_fsdata = NULL; if (ret) diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 79866bc6b3a..45a5719a010 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -968,8 +968,6 @@ static ssize_t cpuset_common_file_read(struct file *file, char __user *buf, char *page; ssize_t retval = 0; char *s; - char *start; - size_t n; if (!(page = (char *)__get_free_page(GFP_KERNEL))) return -ENOMEM; @@ -999,14 +997,7 @@ static ssize_t cpuset_common_file_read(struct file *file, char __user *buf, *s++ = '\n'; *s = '\0'; - /* Do nothing if *ppos is at the eof or beyond the eof. */ - if (s - page <= *ppos) - return 0; - - start = page + *ppos; - n = s - start; - retval = n - copy_to_user(buf, start, min(n, nbytes)); - *ppos += retval; + retval = simple_read_from_buffer(buf, nbytes, ppos, page, s - page); out: free_page((unsigned long)page); return retval; diff --git a/kernel/exit.c b/kernel/exit.c index ee6d8b8abef..43077732619 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1203,7 +1203,7 @@ static int wait_task_stopped(task_t *p, int delayed_group_leader, int noreap, exit_code = p->exit_code; if (unlikely(!exit_code) || - unlikely(p->state > TASK_STOPPED)) + unlikely(p->state & TASK_TRACED)) goto bail_ref; return wait_noreap_copyout(p, pid, uid, why, (exit_code << 8) | 0x7f, diff --git a/kernel/params.c b/kernel/params.c index fbf173215fd..1a8614bac5d 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -80,8 +80,6 @@ static char *next_arg(char *args, char **param, char **val) int in_quote = 0, quoted = 0; char *next; - /* Chew any extra spaces */ - while (*args == ' ') args++; if (*args == '"') { args++; in_quote = 1; @@ -121,6 +119,10 @@ static char *next_arg(char *args, char **param, char **val) next = args + i + 1; } else next = args + i; + + /* Chew up trailing spaces. */ + while (*next == ' ') + next++; return next; } @@ -135,6 +137,10 @@ int parse_args(const char *name, DEBUGP("Parsing ARGS: %s\n", args); + /* Chew leading spaces */ + while (*args == ' ') + args++; + while (*args) { int ret; diff --git a/kernel/power/power.h b/kernel/power/power.h index 9c9167d910d..6748de23e83 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -9,6 +9,9 @@ #define SUSPEND_CONSOLE (MAX_NR_CONSOLES-1) #endif +#define MAX_PBES ((PAGE_SIZE - sizeof(struct new_utsname) \ + - 4 - 3*sizeof(unsigned long) - sizeof(int) \ + - sizeof(void *)) / sizeof(swp_entry_t)) struct swsusp_info { struct new_utsname uts; @@ -18,7 +21,7 @@ struct swsusp_info { unsigned long image_pages; unsigned long pagedir_pages; suspend_pagedir_t * suspend_pagedir; - swp_entry_t pagedir[768]; + swp_entry_t pagedir[MAX_PBES]; } __attribute__((aligned(PAGE_SIZE))); diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index 1cc9ff25e47..acf79ac1cb6 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c @@ -402,15 +402,14 @@ static int write_page(unsigned long addr, swp_entry_t * loc) static void data_free(void) { swp_entry_t entry; - int i; + struct pbe * p; - for (i = 0; i < nr_copy_pages; i++) { - entry = (pagedir_nosave + i)->swap_address; + for_each_pbe(p, pagedir_nosave) { + entry = p->swap_address; if (entry.val) swap_free(entry); else break; - (pagedir_nosave + i)->swap_address = (swp_entry_t){0}; } } @@ -932,6 +931,10 @@ static int swsusp_alloc(void) if (!enough_swap()) return -ENOSPC; + if (MAX_PBES < nr_copy_pages / PBES_PER_PAGE + + !!(nr_copy_pages % PBES_PER_PAGE)) + return -ENOSPC; + if (!(pagedir_save = alloc_pagedir(nr_copy_pages))) { printk(KERN_ERR "suspend: Allocating pagedir failed.\n"); return -ENOMEM; @@ -1438,9 +1441,9 @@ static int read_pagedir(struct pbe *pblist) } if (error) - free_page((unsigned long)pblist); - - BUG_ON(i != swsusp_info.pagedir_pages); + free_pagedir(pblist); + else + BUG_ON(i != swsusp_info.pagedir_pages); return error; } diff --git a/kernel/signal.c b/kernel/signal.c index 5a274705ba1..619b027e92b 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1763,7 +1763,8 @@ do_signal_stop(int signr) * stop is always done with the siglock held, * so this check has no races. */ - if (t->state < TASK_STOPPED) { + if (!t->exit_state && + !(t->state & (TASK_STOPPED|TASK_TRACED))) { stop_count++; signal_wake_up(t, 0); } diff --git a/mm/bootmem.c b/mm/bootmem.c index 8ec4e4c2a17..c1330cc1978 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -61,17 +61,9 @@ static unsigned long __init init_bootmem_core (pg_data_t *pgdat, { bootmem_data_t *bdata = pgdat->bdata; unsigned long mapsize = ((end - start)+7)/8; - static struct pglist_data *pgdat_last; - - pgdat->pgdat_next = NULL; - /* Add new nodes last so that bootmem always starts - searching in the first nodes, not the last ones */ - if (pgdat_last) - pgdat_last->pgdat_next = pgdat; - else { - pgdat_list = pgdat; - pgdat_last = pgdat; - } + + pgdat->pgdat_next = pgdat_list; + pgdat_list = pgdat; mapsize = ALIGN(mapsize, sizeof(long)); bdata->node_bootmem_map = phys_to_virt(mapstart << PAGE_SHIFT); diff --git a/mm/mremap.c b/mm/mremap.c index a32fed454bd..f343fc73a8b 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -141,10 +141,10 @@ move_one_page(struct vm_area_struct *vma, unsigned long old_addr, if (dst) { pte_t pte; pte = ptep_clear_flush(vma, old_addr, src); + /* ZERO_PAGE can be dependant on virtual addr */ - if (pfn_valid(pte_pfn(pte)) && - pte_page(pte) == ZERO_PAGE(old_addr)) - pte = pte_wrprotect(mk_pte(ZERO_PAGE(new_addr), new_vma->vm_page_prot)); + pte = move_pte(pte, new_vma->vm_page_prot, + old_addr, new_addr); set_pte_at(mm, new_addr, dst, pte); } else error = -ENOMEM; diff --git a/mm/slab.c b/mm/slab.c index c9adfce0040..5cbbdfa6dd0 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2510,16 +2510,12 @@ cache_alloc_debugcheck_after(kmem_cache_t *cachep, #define cache_alloc_debugcheck_after(a,b,objp,d) (objp) #endif - -static inline void *__cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags) +static inline void *____cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags) { - unsigned long save_flags; void* objp; struct array_cache *ac; - cache_alloc_debugcheck_before(cachep, flags); - - local_irq_save(save_flags); + check_irq_off(); ac = ac_data(cachep); if (likely(ac->avail)) { STATS_INC_ALLOCHIT(cachep); @@ -2529,6 +2525,18 @@ static inline void *__cache_alloc(kmem_cache_t *cachep, unsigned int __nocast fl STATS_INC_ALLOCMISS(cachep); objp = cache_alloc_refill(cachep, flags); } + return objp; +} + +static inline void *__cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags) +{ + unsigned long save_flags; + void* objp; + + cache_alloc_debugcheck_before(cachep, flags); + + local_irq_save(save_flags); + objp = ____cache_alloc(cachep, flags); local_irq_restore(save_flags); objp = cache_alloc_debugcheck_after(cachep, flags, objp, __builtin_return_address(0)); @@ -2856,7 +2864,10 @@ void *kmem_cache_alloc_node(kmem_cache_t *cachep, unsigned int __nocast flags, i cache_alloc_debugcheck_before(cachep, flags); local_irq_save(save_flags); - ptr = __cache_alloc_node(cachep, flags, nodeid); + if (nodeid == numa_node_id()) + ptr = ____cache_alloc(cachep, flags); + else + ptr = __cache_alloc_node(cachep, flags, nodeid); local_irq_restore(save_flags); ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, __builtin_return_address(0)); diff --git a/net/802/p8022.c b/net/802/p8022.c index b24817c63ca..2530f35241c 100644 --- a/net/802/p8022.c +++ b/net/802/p8022.c @@ -56,7 +56,7 @@ struct datalink_proto *register_8022_client(unsigned char type, void unregister_8022_client(struct datalink_proto *proto) { - llc_sap_close(proto->sap); + llc_sap_put(proto->sap); kfree(proto); } diff --git a/net/802/psnap.c b/net/802/psnap.c index ab80b1fab53..4d638944d93 100644 --- a/net/802/psnap.c +++ b/net/802/psnap.c @@ -106,7 +106,7 @@ module_init(snap_init); static void __exit snap_exit(void) { - llc_sap_close(snap_sap); + llc_sap_put(snap_sap); } module_exit(snap_exit); diff --git a/net/802/tr.c b/net/802/tr.c index 1bb7dc1b85c..1eaa3d19d8b 100644 --- a/net/802/tr.c +++ b/net/802/tr.c @@ -238,7 +238,7 @@ unsigned short tr_type_trans(struct sk_buff *skb, struct net_device *dev) return trllc->ethertype; } - return ntohs(ETH_P_802_2); + return ntohs(ETH_P_TR_802_2); } /* diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 1d31b3a3f1e..7982656b9c8 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -100,8 +100,7 @@ static struct sock *atalk_search_socket(struct sockaddr_at *to, continue; if (to->sat_addr.s_net == ATADDR_ANYNET && - to->sat_addr.s_node == ATADDR_BCAST && - at->src_net == atif->address.s_net) + to->sat_addr.s_node == ATADDR_BCAST) goto found; if (to->sat_addr.s_net == at->src_net && @@ -1443,8 +1442,10 @@ static int atalk_rcv(struct sk_buff *skb, struct net_device *dev, else atif = atalk_find_interface(ddp->deh_dnet, ddp->deh_dnode); - /* Not ours, so we route the packet via the correct AppleTalk iface */ if (!atif) { + /* Not ours, so we route the packet via the correct + * AppleTalk iface + */ atalk_route_packet(skb, dev, ddp, &ddphv, origlen); goto out; } @@ -1592,9 +1593,6 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr if (usat->sat_addr.s_net || usat->sat_addr.s_node == ATADDR_ANYNODE) { rt = atrtr_find(&usat->sat_addr); - if (!rt) - return -ENETUNREACH; - dev = rt->dev; } else { struct atalk_addr at_hint; @@ -1603,11 +1601,12 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr at_hint.s_net = at->src_net; rt = atrtr_find(&at_hint); - if (!rt) - return -ENETUNREACH; - dev = rt->dev; } + if (!rt) + return -ENETUNREACH; + + dev = rt->dev; SOCK_DEBUG(sk, "SK %p: Size needed %d, device %s\n", sk, size, dev->name); @@ -1677,6 +1676,20 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr SOCK_DEBUG(sk, "SK %p: Loop back.\n", sk); /* loop back */ skb_orphan(skb); + if (ddp->deh_dnode == ATADDR_BCAST) { + struct atalk_addr at_lo; + + at_lo.s_node = 0; + at_lo.s_net = 0; + + rt = atrtr_find(&at_lo); + if (!rt) { + kfree_skb(skb); + return -ENETUNREACH; + } + dev = rt->dev; + skb->dev = dev; + } ddp_dl->request(ddp_dl, skb, dev->dev_addr); } else { SOCK_DEBUG(sk, "SK %p: send out.\n", sk); diff --git a/net/atm/addr.c b/net/atm/addr.c index 1c8867f7f54..a30d0bf4806 100644 --- a/net/atm/addr.c +++ b/net/atm/addr.c @@ -50,8 +50,10 @@ void atm_reset_addr(struct atm_dev *dev) struct atm_dev_addr *this, *p; spin_lock_irqsave(&dev->lock, flags); - list_for_each_entry_safe(this, p, &dev->local, entry) - kfree(this); + list_for_each_entry_safe(this, p, &dev->local, entry) { + list_del(&this->entry); + kfree(this); + } spin_unlock_irqrestore(&dev->lock, flags); notify_sigd(dev); } diff --git a/net/atm/common.c b/net/atm/common.c index e93e838069e..801a5813ec6 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -178,8 +178,6 @@ static void vcc_destroy_socket(struct sock *sk) if (vcc->push) vcc->push(vcc, NULL); /* atmarpd has no push */ - vcc_remove_socket(sk); /* no more receive */ - while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) { atm_return(vcc,skb->truesize); kfree_skb(skb); @@ -188,6 +186,8 @@ static void vcc_destroy_socket(struct sock *sk) module_put(vcc->dev->ops->owner); atm_dev_put(vcc->dev); } + + vcc_remove_socket(sk); } diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c index d89056ec44d..a150198b05a 100644 --- a/net/atm/ioctl.c +++ b/net/atm/ioctl.c @@ -105,17 +105,35 @@ int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) if (!error) sock->state = SS_CONNECTED; goto done; - default: + case ATM_SETBACKEND: + case ATM_NEWBACKENDIF: + { + atm_backend_t backend; + error = get_user(backend, (atm_backend_t __user *) argp); + if (error) + goto done; + switch (backend) { + case ATM_BACKEND_PPP: + request_module("pppoatm"); + break; + case ATM_BACKEND_BR2684: + request_module("br2684"); + break; + } + } + break; + case ATMMPC_CTRL: + case ATMMPC_DATA: + request_module("mpoa"); + break; + case ATMARPD_CTRL: + request_module("clip"); + break; + case ATMLEC_CTRL: + request_module("lec"); break; } - if (cmd == ATMMPC_CTRL || cmd == ATMMPC_DATA) - request_module("mpoa"); - if (cmd == ATMARPD_CTRL) - request_module("clip"); - if (cmd == ATMLEC_CTRL) - request_module("lec"); - error = -ENOIOCTLCMD; down(&ioctl_mutex); diff --git a/net/atm/lec.c b/net/atm/lec.c index a0752487026..ad840b9afba 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -686,9 +686,19 @@ static unsigned char lec_ctrl_magic[] = { 0x01, 0x01 }; +#define LEC_DATA_DIRECT_8023 2 +#define LEC_DATA_DIRECT_8025 3 + +static int lec_is_data_direct(struct atm_vcc *vcc) +{ + return ((vcc->sap.blli[0].l3.tr9577.snap[4] == LEC_DATA_DIRECT_8023) || + (vcc->sap.blli[0].l3.tr9577.snap[4] == LEC_DATA_DIRECT_8025)); +} + static void lec_push(struct atm_vcc *vcc, struct sk_buff *skb) { + unsigned long flags; struct net_device *dev = (struct net_device *)vcc->proto_data; struct lec_priv *priv = (struct lec_priv *)dev->priv; @@ -728,7 +738,8 @@ lec_push(struct atm_vcc *vcc, struct sk_buff *skb) skb_queue_tail(&sk->sk_receive_queue, skb); sk->sk_data_ready(sk, skb->len); } else { /* Data frame, queue to protocol handlers */ - unsigned char *dst; + struct lec_arp_table *entry; + unsigned char *src, *dst; atm_return(vcc,skb->truesize); if (*(uint16_t *)skb->data == htons(priv->lecid) || @@ -741,10 +752,30 @@ lec_push(struct atm_vcc *vcc, struct sk_buff *skb) return; } #ifdef CONFIG_TR - if (priv->is_trdev) dst = ((struct lecdatahdr_8025 *)skb->data)->h_dest; + if (priv->is_trdev) + dst = ((struct lecdatahdr_8025 *) skb->data)->h_dest; else #endif - dst = ((struct lecdatahdr_8023 *)skb->data)->h_dest; + dst = ((struct lecdatahdr_8023 *) skb->data)->h_dest; + + /* If this is a Data Direct VCC, and the VCC does not match + * the LE_ARP cache entry, delete the LE_ARP cache entry. + */ + spin_lock_irqsave(&priv->lec_arp_lock, flags); + if (lec_is_data_direct(vcc)) { +#ifdef CONFIG_TR + if (priv->is_trdev) + src = ((struct lecdatahdr_8025 *) skb->data)->h_source; + else +#endif + src = ((struct lecdatahdr_8023 *) skb->data)->h_source; + entry = lec_arp_find(priv, src); + if (entry && entry->vcc != vcc) { + lec_arp_remove(priv, entry); + kfree(entry); + } + } + spin_unlock_irqrestore(&priv->lec_arp_lock, flags); if (!(dst[0]&0x01) && /* Never filter Multi/Broadcast */ !priv->is_proxy && /* Proxy wants all the packets */ @@ -1990,6 +2021,12 @@ lec_arp_resolve(struct lec_priv *priv, unsigned char *mac_to_find, found = entry->vcc; goto out; } + /* If the LE_ARP cache entry is still pending, reset count to 0 + * so another LE_ARP request can be made for this frame. + */ + if (entry->status == ESI_ARP_PENDING) { + entry->no_tries = 0; + } /* Data direct VC not yet set up, check to see if the unknown frame count is greater than the limit. If the limit has not been reached, allow the caller to send packet to diff --git a/net/atm/signaling.c b/net/atm/signaling.c index f7c449ac180..e7211a7f382 100644 --- a/net/atm/signaling.c +++ b/net/atm/signaling.c @@ -217,8 +217,9 @@ void sigd_enq(struct atm_vcc *vcc,enum atmsvc_msg_type type, static void purge_vcc(struct atm_vcc *vcc) { if (sk_atm(vcc)->sk_family == PF_ATMSVC && - !test_bit(ATM_VF_META,&vcc->flags)) { - set_bit(ATM_VF_RELEASED,&vcc->flags); + !test_bit(ATM_VF_META, &vcc->flags)) { + set_bit(ATM_VF_RELEASED, &vcc->flags); + clear_bit(ATM_VF_REGIS, &vcc->flags); vcc_release_async(vcc, -EUNATCH); } } @@ -243,8 +244,7 @@ static void sigd_close(struct atm_vcc *vcc) sk_for_each(s, node, head) { struct atm_vcc *vcc = atm_sk(s); - if (vcc->dev) - purge_vcc(vcc); + purge_vcc(vcc); } } read_unlock(&vcc_sklist_lock); diff --git a/net/atm/svc.c b/net/atm/svc.c index 08e46052a3e..d7b266136bf 100644 --- a/net/atm/svc.c +++ b/net/atm/svc.c @@ -302,6 +302,7 @@ static int svc_listen(struct socket *sock,int backlog) error = -EINVAL; goto out; } + vcc_insert_socket(sk); set_bit(ATM_VF_WAITING, &vcc->flags); prepare_to_wait(sk->sk_sleep, &wait, TASK_UNINTERRUPTIBLE); sigd_enq(vcc,as_listen,NULL,NULL,&vcc->local); diff --git a/net/core/datagram.c b/net/core/datagram.c index da9bf71421a..81987df536e 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -211,74 +211,45 @@ void skb_free_datagram(struct sock *sk, struct sk_buff *skb) int skb_copy_datagram_iovec(const struct sk_buff *skb, int offset, struct iovec *to, int len) { - int start = skb_headlen(skb); - int i, copy = start - offset; - - /* Copy header. */ - if (copy > 0) { - if (copy > len) - copy = len; - if (memcpy_toiovec(to, skb->data + offset, copy)) - goto fault; - if ((len -= copy) == 0) - return 0; - offset += copy; - } + int i, err, fraglen, end = 0; + struct sk_buff *next = skb_shinfo(skb)->frag_list; +next_skb: + fraglen = skb_headlen(skb); + i = -1; - /* Copy paged appendix. Hmm... why does this look so complicated? */ - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - int end; - - BUG_TRAP(start <= offset + len); + while (1) { + int start = end; - end = start + skb_shinfo(skb)->frags[i].size; - if ((copy = end - offset) > 0) { - int err; - u8 *vaddr; - skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - struct page *page = frag->page; + if ((end += fraglen) > offset) { + int copy = end - offset, o = offset - start; if (copy > len) copy = len; - vaddr = kmap(page); - err = memcpy_toiovec(to, vaddr + frag->page_offset + - offset - start, copy); - kunmap(page); + if (i == -1) + err = memcpy_toiovec(to, skb->data + o, copy); + else { + skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + struct page *page = frag->page; + void *p = kmap(page) + frag->page_offset + o; + err = memcpy_toiovec(to, p, copy); + kunmap(page); + } if (err) goto fault; if (!(len -= copy)) return 0; offset += copy; } - start = end; + if (++i >= skb_shinfo(skb)->nr_frags) + break; + fraglen = skb_shinfo(skb)->frags[i].size; } - - if (skb_shinfo(skb)->frag_list) { - struct sk_buff *list = skb_shinfo(skb)->frag_list; - - for (; list; list = list->next) { - int end; - - BUG_TRAP(start <= offset + len); - - end = start + list->len; - if ((copy = end - offset) > 0) { - if (copy > len) - copy = len; - if (skb_copy_datagram_iovec(list, - offset - start, - to, copy)) - goto fault; - if ((len -= copy) == 0) - return 0; - offset += copy; - } - start = end; - } + if (next) { + skb = next; + BUG_ON(skb_shinfo(skb)->frag_list); + next = skb->next; + goto next_skb; } - if (!len) - return 0; - fault: return -EFAULT; } diff --git a/net/core/dev.c b/net/core/dev.c index c01511e3d0c..9066c874e27 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -574,6 +574,8 @@ struct net_device *dev_getbyhwaddr(unsigned short type, char *ha) return dev; } +EXPORT_SYMBOL(dev_getbyhwaddr); + struct net_device *dev_getfirstbyhwtype(unsigned short type) { struct net_device *dev; @@ -1257,6 +1259,8 @@ int dev_queue_xmit(struct sk_buff *skb) if (skb_checksum_help(skb, 0)) goto out_kfree_skb; + spin_lock_prefetch(&dev->queue_lock); + /* Disable soft irqs for various locks below. Also * stops preemption for RCU. */ diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 39fc55edf69..4128fc76ac3 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -61,7 +61,9 @@ static int pneigh_ifdown(struct neigh_table *tbl, struct net_device *dev); void neigh_changeaddr(struct neigh_table *tbl, struct net_device *dev); static struct neigh_table *neigh_tables; +#ifdef CONFIG_PROC_FS static struct file_operations neigh_stat_seq_fops; +#endif /* Neighbour hash table buckets are protected with rwlock tbl->lock. @@ -725,6 +727,13 @@ static __inline__ int neigh_max_probes(struct neighbour *n) p->ucast_probes + p->app_probes + p->mcast_probes); } +static inline void neigh_add_timer(struct neighbour *n, unsigned long when) +{ + if (unlikely(mod_timer(&n->timer, when))) { + printk("NEIGH: BUG, double timer add, state is %x\n", + n->nud_state); + } +} /* Called when a timer expires for a neighbour entry. */ @@ -809,8 +818,7 @@ static void neigh_timer_handler(unsigned long arg) neigh_hold(neigh); if (time_before(next, jiffies + HZ/2)) next = jiffies + HZ/2; - neigh->timer.expires = next; - add_timer(&neigh->timer); + neigh_add_timer(neigh, next); } if (neigh->nud_state & (NUD_INCOMPLETE | NUD_PROBE)) { struct sk_buff *skb = skb_peek(&neigh->arp_queue); @@ -852,8 +860,7 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb) atomic_set(&neigh->probes, neigh->parms->ucast_probes); neigh->nud_state = NUD_INCOMPLETE; neigh_hold(neigh); - neigh->timer.expires = now + 1; - add_timer(&neigh->timer); + neigh_add_timer(neigh, now + 1); } else { neigh->nud_state = NUD_FAILED; write_unlock_bh(&neigh->lock); @@ -866,8 +873,8 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb) NEIGH_PRINTK2("neigh %p is delayed.\n", neigh); neigh_hold(neigh); neigh->nud_state = NUD_DELAY; - neigh->timer.expires = jiffies + neigh->parms->delay_probe_time; - add_timer(&neigh->timer); + neigh_add_timer(neigh, + jiffies + neigh->parms->delay_probe_time); } if (neigh->nud_state == NUD_INCOMPLETE) { @@ -1013,10 +1020,10 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new, neigh_del_timer(neigh); if (new & NUD_IN_TIMER) { neigh_hold(neigh); - neigh->timer.expires = jiffies + + neigh_add_timer(neigh, (jiffies + ((new & NUD_REACHABLE) ? - neigh->parms->reachable_time : 0); - add_timer(&neigh->timer); + neigh->parms->reachable_time : + 0))); } neigh->nud_state = new; } diff --git a/net/core/pktgen.c b/net/core/pktgen.c index ef430b1e8e4..b7f2d65a614 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -186,7 +186,7 @@ /* Used to help with determining the pkts on receive */ #define PKTGEN_MAGIC 0xbe9be955 -#define PG_PROC_DIR "pktgen" +#define PG_PROC_DIR "net/pktgen" #define MAX_CFLOWS 65536 @@ -1476,18 +1476,7 @@ static int proc_thread_write(struct file *file, const char __user *user_buffer, static int create_proc_dir(void) { - int len; - /* does proc_dir already exists */ - len = strlen(PG_PROC_DIR); - - for (pg_proc_dir = proc_net->subdir; pg_proc_dir; pg_proc_dir=pg_proc_dir->next) { - if ((pg_proc_dir->namelen == len) && - (! memcmp(pg_proc_dir->name, PG_PROC_DIR, len))) - break; - } - - if (!pg_proc_dir) - pg_proc_dir = create_proc_entry(PG_PROC_DIR, S_IFDIR, proc_net); + pg_proc_dir = proc_mkdir(PG_PROC_DIR, NULL); if (!pg_proc_dir) return -ENODEV; @@ -1497,7 +1486,7 @@ static int create_proc_dir(void) static int remove_proc_dir(void) { - remove_proc_entry(PG_PROC_DIR, proc_net); + remove_proc_entry(PG_PROC_DIR, NULL); return 0; } @@ -2908,7 +2897,7 @@ static int pktgen_add_device(struct pktgen_thread *t, const char* ifname) pkt_dev->udp_dst_max = 9; strncpy(pkt_dev->ifname, ifname, 31); - sprintf(pkt_dev->fname, "net/%s/%s", PG_PROC_DIR, ifname); + sprintf(pkt_dev->fname, "%s/%s", PG_PROC_DIR, ifname); if (! pktgen_setup_dev(pkt_dev)) { printk("pktgen: ERROR: pktgen_setup_dev failed.\n"); @@ -2981,7 +2970,7 @@ static int pktgen_create_thread(const char* name, int cpu) spin_lock_init(&t->if_lock); t->cpu = cpu; - sprintf(t->fname, "net/%s/%s", PG_PROC_DIR, t->name); + sprintf(t->fname, "%s/%s", PG_PROC_DIR, t->name); t->proc_ent = create_proc_entry(t->fname, 0600, NULL); if (!t->proc_ent) { printk("pktgen: cannot create %s procfs entry.\n", t->fname); @@ -3064,7 +3053,7 @@ static int __init pg_init(void) create_proc_dir(); - sprintf(module_fname, "net/%s/pgctrl", PG_PROC_DIR); + sprintf(module_fname, "%s/pgctrl", PG_PROC_DIR); module_proc_ent = create_proc_entry(module_fname, 0600, NULL); if (!module_proc_ent) { printk("pktgen: ERROR: cannot create %s procfs entry.\n", module_fname); diff --git a/net/core/sock.c b/net/core/sock.c index ac63b56e23b..928d2a1d6d8 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -660,16 +660,20 @@ struct sock *sk_alloc(int family, unsigned int __nocast priority, sock_lock_init(sk); } - if (security_sk_alloc(sk, family, priority)) { - if (slab != NULL) - kmem_cache_free(slab, sk); - else - kfree(sk); - sk = NULL; - } else - __module_get(prot->owner); + if (security_sk_alloc(sk, family, priority)) + goto out_free; + + if (!try_module_get(prot->owner)) + goto out_free; } return sk; + +out_free: + if (slab != NULL) + kmem_cache_free(slab, sk); + else + kfree(sk); + return NULL; } void sk_free(struct sock *sk) diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 87a052a9a84..68a5ca86644 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -146,6 +146,19 @@ int eth_rebuild_header(struct sk_buff *skb) return 0; } +static inline unsigned int compare_eth_addr(const unsigned char *__a, const unsigned char *__b) +{ + const unsigned short *dest = (unsigned short *) __a; + const unsigned short *devaddr = (unsigned short *) __b; + unsigned int res; + + BUILD_BUG_ON(ETH_ALEN != 6); + res = ((dest[0] ^ devaddr[0]) | + (dest[1] ^ devaddr[1]) | + (dest[2] ^ devaddr[2])) != 0; + + return res; +} /* * Determine the packet's protocol ID. The rule here is that we @@ -158,16 +171,15 @@ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev) struct ethhdr *eth; unsigned char *rawp; - skb->mac.raw=skb->data; + skb->mac.raw = skb->data; skb_pull(skb,ETH_HLEN); eth = eth_hdr(skb); - if(*eth->h_dest&1) - { - if(memcmp(eth->h_dest,dev->broadcast, ETH_ALEN)==0) - skb->pkt_type=PACKET_BROADCAST; + if (*eth->h_dest&1) { + if (!compare_eth_addr(eth->h_dest, dev->broadcast)) + skb->pkt_type = PACKET_BROADCAST; else - skb->pkt_type=PACKET_MULTICAST; + skb->pkt_type = PACKET_MULTICAST; } /* @@ -178,10 +190,9 @@ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev) * seems to set IFF_PROMISC. */ - else if(1 /*dev->flags&IFF_PROMISC*/) - { - if(memcmp(eth->h_dest,dev->dev_addr, ETH_ALEN)) - skb->pkt_type=PACKET_OTHERHOST; + else if(1 /*dev->flags&IFF_PROMISC*/) { + if (unlikely(compare_eth_addr(eth->h_dest, dev->dev_addr))) + skb->pkt_type = PACKET_OTHERHOST; } if (ntohs(eth->h_proto) >= 1536) diff --git a/net/ieee80211/ieee80211_module.c b/net/ieee80211/ieee80211_module.c index 03a47343ddc..6059e9e3712 100644 --- a/net/ieee80211/ieee80211_module.c +++ b/net/ieee80211/ieee80211_module.c @@ -230,7 +230,7 @@ static int __init ieee80211_init(void) struct proc_dir_entry *e; ieee80211_debug_level = debug; - ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, proc_net); + ieee80211_proc = proc_mkdir(DRV_NAME, proc_net); if (ieee80211_proc == NULL) { IEEE80211_ERROR("Unable to create " DRV_NAME " proc directory\n"); diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig index 3cf9b451675..2cd7e7d1ac9 100644 --- a/net/ipv4/netfilter/Kconfig +++ b/net/ipv4/netfilter/Kconfig @@ -537,6 +537,17 @@ config IP_NF_TARGET_TCPMSS To compile it as a module, choose M here. If unsure, say N. +config IP_NF_TARGET_NFQUEUE + tristate "NFQUEUE Target Support" + depends on IP_NF_IPTABLES + help + This Target replaced the old obsolete QUEUE target. + + As opposed to QUEUE, it supports 65535 different queues, + not just one. + + To compile it as a module, choose M here. If unsure, say N. + # NAT + specific targets config IP_NF_NAT tristate "Full NAT" diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile index 3d45d3c0283..dab4b58dd31 100644 --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile @@ -4,7 +4,8 @@ # objects for the standalone - connection tracking / NAT ip_conntrack-objs := ip_conntrack_standalone.o ip_conntrack_core.o ip_conntrack_proto_generic.o ip_conntrack_proto_tcp.o ip_conntrack_proto_udp.o ip_conntrack_proto_icmp.o -iptable_nat-objs := ip_nat_standalone.o ip_nat_rule.o ip_nat_core.o ip_nat_helper.o ip_nat_proto_unknown.o ip_nat_proto_tcp.o ip_nat_proto_udp.o ip_nat_proto_icmp.o +ip_nat-objs := ip_nat_core.o ip_nat_helper.o ip_nat_proto_unknown.o ip_nat_proto_tcp.o ip_nat_proto_udp.o ip_nat_proto_icmp.o +iptable_nat-objs := ip_nat_rule.o ip_nat_standalone.o ip_conntrack_pptp-objs := ip_conntrack_helper_pptp.o ip_conntrack_proto_gre.o ip_nat_pptp-objs := ip_nat_helper_pptp.o ip_nat_proto_gre.o @@ -40,7 +41,7 @@ obj-$(CONFIG_IP_NF_IPTABLES) += ip_tables.o # the three instances of ip_tables obj-$(CONFIG_IP_NF_FILTER) += iptable_filter.o obj-$(CONFIG_IP_NF_MANGLE) += iptable_mangle.o -obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o +obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o ip_nat.o obj-$(CONFIG_IP_NF_RAW) += iptable_raw.o # matches @@ -92,6 +93,7 @@ obj-$(CONFIG_IP_NF_TARGET_TCPMSS) += ipt_TCPMSS.o obj-$(CONFIG_IP_NF_TARGET_NOTRACK) += ipt_NOTRACK.o obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o obj-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL.o +obj-$(CONFIG_IP_NF_TARGET_NFQUEUE) += ipt_NFQUEUE.o # generic ARP tables obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o @@ -101,4 +103,3 @@ obj-$(CONFIG_IP_NF_ARP_MANGLE) += arpt_mangle.o obj-$(CONFIG_IP_NF_ARPFILTER) += arptable_filter.o obj-$(CONFIG_IP_NF_QUEUE) += ip_queue.o -obj-$(CONFIG_NETFILTER_NETLINK_QUEUE) += ipt_NFQUEUE.o diff --git a/net/ipv4/netfilter/ip_conntrack_proto_gre.c b/net/ipv4/netfilter/ip_conntrack_proto_gre.c index de3cb9db6f8..744abb9d377 100644 --- a/net/ipv4/netfilter/ip_conntrack_proto_gre.c +++ b/net/ipv4/netfilter/ip_conntrack_proto_gre.c @@ -247,6 +247,7 @@ static int gre_packet(struct ip_conntrack *ct, ct->proto.gre.stream_timeout); /* Also, more likely to be important, and not a probe. */ set_bit(IPS_ASSURED_BIT, &ct->status); + ip_conntrack_event_cache(IPCT_STATUS, skb); } else ip_ct_refresh_acct(ct, conntrackinfo, skb, ct->proto.gre.timeout); diff --git a/net/ipv4/netfilter/ip_conntrack_proto_sctp.c b/net/ipv4/netfilter/ip_conntrack_proto_sctp.c index a875f35e576..59a4a0111dd 100644 --- a/net/ipv4/netfilter/ip_conntrack_proto_sctp.c +++ b/net/ipv4/netfilter/ip_conntrack_proto_sctp.c @@ -416,6 +416,7 @@ static int sctp_packet(struct ip_conntrack *conntrack, && newconntrack == SCTP_CONNTRACK_ESTABLISHED) { DEBUGP("Setting assured bit\n"); set_bit(IPS_ASSURED_BIT, &conntrack->status); + ip_conntrack_event_cache(IPCT_STATUS, skb); } return NF_ACCEPT; diff --git a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c index 1985abc59d2..121760d6cc5 100644 --- a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c +++ b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c @@ -1014,7 +1014,8 @@ static int tcp_packet(struct ip_conntrack *conntrack, /* Set ASSURED if we see see valid ack in ESTABLISHED after SYN_RECV or a valid answer for a picked up connection. */ - set_bit(IPS_ASSURED_BIT, &conntrack->status); + set_bit(IPS_ASSURED_BIT, &conntrack->status); + ip_conntrack_event_cache(IPCT_STATUS, skb); } ip_ct_refresh_acct(conntrack, ctinfo, skb, timeout); diff --git a/net/ipv4/netfilter/ip_nat_core.c b/net/ipv4/netfilter/ip_nat_core.c index c3ea891d38e..c5e3abd2467 100644 --- a/net/ipv4/netfilter/ip_nat_core.c +++ b/net/ipv4/netfilter/ip_nat_core.c @@ -74,12 +74,14 @@ ip_nat_proto_find_get(u_int8_t protonum) return p; } +EXPORT_SYMBOL_GPL(ip_nat_proto_find_get); void ip_nat_proto_put(struct ip_nat_protocol *p) { module_put(p->me); } +EXPORT_SYMBOL_GPL(ip_nat_proto_put); /* We keep an extra hash for each conntrack, for fast searching. */ static inline unsigned int @@ -111,6 +113,7 @@ ip_nat_cheat_check(u_int32_t oldvalinv, u_int32_t newval, u_int16_t oldcheck) return csum_fold(csum_partial((char *)diffs, sizeof(diffs), oldcheck^0xFFFF)); } +EXPORT_SYMBOL(ip_nat_cheat_check); /* Is this tuple already taken? (not by us) */ int @@ -127,6 +130,7 @@ ip_nat_used_tuple(const struct ip_conntrack_tuple *tuple, invert_tuplepr(&reply, tuple); return ip_conntrack_tuple_taken(&reply, ignored_conntrack); } +EXPORT_SYMBOL(ip_nat_used_tuple); /* If we source map this tuple so reply looks like reply_tuple, will * that meet the constraints of range. */ @@ -347,6 +351,7 @@ ip_nat_setup_info(struct ip_conntrack *conntrack, return NF_ACCEPT; } +EXPORT_SYMBOL(ip_nat_setup_info); /* Returns true if succeeded. */ static int @@ -387,10 +392,10 @@ manip_pkt(u_int16_t proto, } /* Do packet manipulations according to ip_nat_setup_info. */ -unsigned int nat_packet(struct ip_conntrack *ct, - enum ip_conntrack_info ctinfo, - unsigned int hooknum, - struct sk_buff **pskb) +unsigned int ip_nat_packet(struct ip_conntrack *ct, + enum ip_conntrack_info ctinfo, + unsigned int hooknum, + struct sk_buff **pskb) { enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); unsigned long statusbit; @@ -417,12 +422,13 @@ unsigned int nat_packet(struct ip_conntrack *ct, } return NF_ACCEPT; } +EXPORT_SYMBOL_GPL(ip_nat_packet); /* Dir is direction ICMP is coming from (opposite to packet it contains) */ -int icmp_reply_translation(struct sk_buff **pskb, - struct ip_conntrack *ct, - enum ip_nat_manip_type manip, - enum ip_conntrack_dir dir) +int ip_nat_icmp_reply_translation(struct sk_buff **pskb, + struct ip_conntrack *ct, + enum ip_nat_manip_type manip, + enum ip_conntrack_dir dir) { struct { struct icmphdr icmp; @@ -509,6 +515,7 @@ int icmp_reply_translation(struct sk_buff **pskb, return 1; } +EXPORT_SYMBOL_GPL(ip_nat_icmp_reply_translation); /* Protocol registration. */ int ip_nat_protocol_register(struct ip_nat_protocol *proto) @@ -525,6 +532,7 @@ int ip_nat_protocol_register(struct ip_nat_protocol *proto) write_unlock_bh(&ip_nat_lock); return ret; } +EXPORT_SYMBOL(ip_nat_protocol_register); /* Noone stores the protocol anywhere; simply delete it. */ void ip_nat_protocol_unregister(struct ip_nat_protocol *proto) @@ -536,6 +544,7 @@ void ip_nat_protocol_unregister(struct ip_nat_protocol *proto) /* Someone could be still looking at the proto in a bh. */ synchronize_net(); } +EXPORT_SYMBOL(ip_nat_protocol_unregister); #if defined(CONFIG_IP_NF_CONNTRACK_NETLINK) || \ defined(CONFIG_IP_NF_CONNTRACK_NETLINK_MODULE) @@ -582,7 +591,7 @@ EXPORT_SYMBOL_GPL(ip_nat_port_nfattr_to_range); EXPORT_SYMBOL_GPL(ip_nat_port_range_to_nfattr); #endif -int __init ip_nat_init(void) +static int __init ip_nat_init(void) { size_t i; @@ -624,10 +633,14 @@ static int clean_nat(struct ip_conntrack *i, void *data) return 0; } -/* Not __exit: called from ip_nat_standalone.c:init_or_cleanup() --RR */ -void ip_nat_cleanup(void) +static void __exit ip_nat_cleanup(void) { ip_ct_iterate_cleanup(&clean_nat, NULL); ip_conntrack_destroyed = NULL; vfree(bysource); } + +MODULE_LICENSE("GPL"); + +module_init(ip_nat_init); +module_exit(ip_nat_cleanup); diff --git a/net/ipv4/netfilter/ip_nat_helper.c b/net/ipv4/netfilter/ip_nat_helper.c index d2dd5d31355..5d506e0564d 100644 --- a/net/ipv4/netfilter/ip_nat_helper.c +++ b/net/ipv4/netfilter/ip_nat_helper.c @@ -199,6 +199,7 @@ ip_nat_mangle_tcp_packet(struct sk_buff **pskb, } return 1; } +EXPORT_SYMBOL(ip_nat_mangle_tcp_packet); /* Generic function for mangling variable-length address changes inside * NATed UDP connections (like the CONNECT DATA XXXXX MESG XXXXX INDEX XXXXX @@ -256,6 +257,7 @@ ip_nat_mangle_udp_packet(struct sk_buff **pskb, return 1; } +EXPORT_SYMBOL(ip_nat_mangle_udp_packet); /* Adjust one found SACK option including checksum correction */ static void @@ -399,6 +401,7 @@ ip_nat_seq_adjust(struct sk_buff **pskb, return 1; } +EXPORT_SYMBOL(ip_nat_seq_adjust); /* Setup NAT on this expected conntrack so it follows master. */ /* If we fail to get a free NAT slot, we'll get dropped on confirm */ @@ -425,3 +428,4 @@ void ip_nat_follow_master(struct ip_conntrack *ct, /* hook doesn't matter, but it has to do destination manip */ ip_nat_setup_info(ct, &range, NF_IP_PRE_ROUTING); } +EXPORT_SYMBOL(ip_nat_follow_master); diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c index 0ff368b131f..30cd4e18c12 100644 --- a/net/ipv4/netfilter/ip_nat_standalone.c +++ b/net/ipv4/netfilter/ip_nat_standalone.c @@ -108,8 +108,8 @@ ip_nat_fn(unsigned int hooknum, case IP_CT_RELATED: case IP_CT_RELATED+IP_CT_IS_REPLY: if ((*pskb)->nh.iph->protocol == IPPROTO_ICMP) { - if (!icmp_reply_translation(pskb, ct, maniptype, - CTINFO2DIR(ctinfo))) + if (!ip_nat_icmp_reply_translation(pskb, ct, maniptype, + CTINFO2DIR(ctinfo))) return NF_DROP; else return NF_ACCEPT; @@ -152,7 +152,7 @@ ip_nat_fn(unsigned int hooknum, } IP_NF_ASSERT(info); - return nat_packet(ct, ctinfo, hooknum, pskb); + return ip_nat_packet(ct, ctinfo, hooknum, pskb); } static unsigned int @@ -325,15 +325,10 @@ static int init_or_cleanup(int init) printk("ip_nat_init: can't setup rules.\n"); goto cleanup_nothing; } - ret = ip_nat_init(); - if (ret < 0) { - printk("ip_nat_init: can't setup rules.\n"); - goto cleanup_rule_init; - } ret = nf_register_hook(&ip_nat_in_ops); if (ret < 0) { printk("ip_nat_init: can't register in hook.\n"); - goto cleanup_nat; + goto cleanup_rule_init; } ret = nf_register_hook(&ip_nat_out_ops); if (ret < 0) { @@ -374,8 +369,6 @@ static int init_or_cleanup(int init) nf_unregister_hook(&ip_nat_out_ops); cleanup_inops: nf_unregister_hook(&ip_nat_in_ops); - cleanup_nat: - ip_nat_cleanup(); cleanup_rule_init: ip_nat_rule_cleanup(); cleanup_nothing: @@ -395,14 +388,4 @@ static void __exit fini(void) module_init(init); module_exit(fini); -EXPORT_SYMBOL(ip_nat_setup_info); -EXPORT_SYMBOL(ip_nat_protocol_register); -EXPORT_SYMBOL(ip_nat_protocol_unregister); -EXPORT_SYMBOL_GPL(ip_nat_proto_find_get); -EXPORT_SYMBOL_GPL(ip_nat_proto_put); -EXPORT_SYMBOL(ip_nat_cheat_check); -EXPORT_SYMBOL(ip_nat_mangle_tcp_packet); -EXPORT_SYMBOL(ip_nat_mangle_udp_packet); -EXPORT_SYMBOL(ip_nat_used_tuple); -EXPORT_SYMBOL(ip_nat_follow_master); MODULE_LICENSE("GPL"); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index a7537c7bbd0..677419d0c9a 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -355,8 +355,6 @@ static void tcp_clamp_window(struct sock *sk, struct tcp_sock *tp) app_win -= icsk->icsk_ack.rcv_mss; app_win = max(app_win, 2U*tp->advmss); - if (!ofo_win) - tp->window_clamp = min(tp->window_clamp, app_win); tp->rcv_ssthresh = min(tp->window_clamp, 2U*tp->advmss); } } diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index d6e3d269e90..c5b911f9b66 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -190,7 +190,7 @@ void tcp_select_initial_window(int __space, __u32 mss, } /* Set initial window to value enough for senders, - * following RFC1414. Senders, not following this RFC, + * following RFC2414. Senders, not following this RFC, * will be satisfied with 2. */ if (mss > (1<<*rcv_wscale)) { diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 2fea3f4402a..4e509e52fbc 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3520,6 +3520,8 @@ int __init addrconf_init(void) if (err) return err; + ip6_null_entry.rt6i_idev = in6_dev_get(&loopback_dev); + register_netdevice_notifier(&ipv6_dev_notf); #ifdef CONFIG_IPV6_PRIVACY diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig index 216fbe1ac65..bb7ccfe33f2 100644 --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig @@ -209,6 +209,17 @@ config IP6_NF_TARGET_REJECT To compile it as a module, choose M here. If unsure, say N. +config IP6_NF_TARGET_NFQUEUE + tristate "NFQUEUE Target Support" + depends on IP_NF_IPTABLES + help + This Target replaced the old obsolete QUEUE target. + + As opposed to QUEUE, it supports 65535 different queues, + not just one. + + To compile it as a module, choose M here. If unsure, say N. + # if [ "$CONFIG_IP6_NF_FILTER" != "n" ]; then # dep_tristate ' REJECT target support' CONFIG_IP6_NF_TARGET_REJECT $CONFIG_IP6_NF_FILTER # if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile index bd9a16a5cbb..2b2c370e8b1 100644 --- a/net/ipv6/netfilter/Makefile +++ b/net/ipv6/netfilter/Makefile @@ -21,9 +21,9 @@ obj-$(CONFIG_IP6_NF_FILTER) += ip6table_filter.o obj-$(CONFIG_IP6_NF_MANGLE) += ip6table_mangle.o obj-$(CONFIG_IP6_NF_TARGET_MARK) += ip6t_MARK.o obj-$(CONFIG_IP6_NF_TARGET_HL) += ip6t_HL.o +obj-$(CONFIG_IP6_NF_TARGET_NFQUEUE) += ip6t_NFQUEUE.o obj-$(CONFIG_IP6_NF_QUEUE) += ip6_queue.o obj-$(CONFIG_IP6_NF_TARGET_LOG) += ip6t_LOG.o obj-$(CONFIG_IP6_NF_RAW) += ip6table_raw.o obj-$(CONFIG_IP6_NF_MATCH_HL) += ip6t_hl.o obj-$(CONFIG_IP6_NF_TARGET_REJECT) += ip6t_REJECT.o -obj-$(CONFIG_NETFILTER_NETLINK_QUEUE) += ip6t_NFQUEUE.o diff --git a/net/irda/irttp.c b/net/irda/irttp.c index 6602d901f8b..8aff254cb41 100644 --- a/net/irda/irttp.c +++ b/net/irda/irttp.c @@ -38,7 +38,7 @@ #include <net/irda/parameters.h> #include <net/irda/irttp.h> -static struct irttp_cb *irttp = NULL; +static struct irttp_cb *irttp; static void __irttp_close_tsap(struct tsap_cb *self); @@ -86,12 +86,9 @@ static pi_param_info_t param_info = { pi_major_call_table, 1, 0x0f, 4 }; */ int __init irttp_init(void) { - /* Initialize the irttp structure. */ - if (irttp == NULL) { - irttp = kmalloc(sizeof(struct irttp_cb), GFP_KERNEL); - if (irttp == NULL) - return -ENOMEM; - } + irttp = kmalloc(sizeof(struct irttp_cb), GFP_KERNEL); + if (irttp == NULL) + return -ENOMEM; memset(irttp, 0, sizeof(struct irttp_cb)); irttp->magic = TTP_MAGIC; @@ -100,6 +97,7 @@ int __init irttp_init(void) if (!irttp->tsaps) { IRDA_ERROR("%s: can't allocate IrTTP hashbin!\n", __FUNCTION__); + kfree(irttp); return -ENOMEM; } @@ -115,7 +113,6 @@ int __init irttp_init(void) void __exit irttp_cleanup(void) { /* Check for main structure */ - IRDA_ASSERT(irttp != NULL, return;); IRDA_ASSERT(irttp->magic == TTP_MAGIC, return;); /* @@ -382,7 +379,6 @@ struct tsap_cb *irttp_open_tsap(__u8 stsap_sel, int credit, notify_t *notify) struct lsap_cb *lsap; notify_t ttp_notify; - IRDA_ASSERT(irttp != NULL, return NULL;); IRDA_ASSERT(irttp->magic == TTP_MAGIC, return NULL;); /* The IrLMP spec (IrLMP 1.1 p10) says that we have the right to @@ -1880,8 +1876,6 @@ static int irttp_seq_open(struct inode *inode, struct file *file) struct seq_file *seq; int rc = -ENOMEM; struct irttp_iter_state *s; - - IRDA_ASSERT(irttp != NULL, return -EINVAL;); s = kmalloc(sizeof(*s), GFP_KERNEL); if (!s) diff --git a/net/llc/Makefile b/net/llc/Makefile index 5ebd4ed2bd4..4e260cff3c5 100644 --- a/net/llc/Makefile +++ b/net/llc/Makefile @@ -22,3 +22,4 @@ llc2-y := llc_if.o llc_c_ev.o llc_c_ac.o llc_conn.o llc_c_st.o llc_pdu.o \ llc_sap.o llc_s_ac.o llc_s_ev.o llc_s_st.o af_llc.o llc_station.o llc2-$(CONFIG_PROC_FS) += llc_proc.o +llc2-$(CONFIG_SYSCTL) += sysctl_net_llc.o diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 66f55e514b5..59d02cbbeb9 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -21,6 +21,7 @@ * See the GNU General Public License for more details. */ #include <linux/config.h> +#include <linux/compiler.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/rtnetlink.h> @@ -37,10 +38,9 @@ static u16 llc_ui_sap_link_no_max[256]; static struct sockaddr_llc llc_ui_addrnull; static struct proto_ops llc_ui_ops; -static int llc_ui_wait_for_conn(struct sock *sk, int timeout); -static int llc_ui_wait_for_disc(struct sock *sk, int timeout); -static int llc_ui_wait_for_data(struct sock *sk, int timeout); -static int llc_ui_wait_for_busy_core(struct sock *sk, int timeout); +static int llc_ui_wait_for_conn(struct sock *sk, long timeout); +static int llc_ui_wait_for_disc(struct sock *sk, long timeout); +static int llc_ui_wait_for_busy_core(struct sock *sk, long timeout); #if 0 #define dprintk(args...) printk(KERN_DEBUG args) @@ -116,12 +116,12 @@ static int llc_ui_send_data(struct sock* sk, struct sk_buff *skb, int noblock) struct llc_sock* llc = llc_sk(sk); int rc = 0; - if (llc_data_accept_state(llc->state) || llc->p_flag) { - int timeout = sock_sndtimeo(sk, noblock); + if (unlikely(llc_data_accept_state(llc->state) || llc->p_flag)) { + long timeout = sock_sndtimeo(sk, noblock); rc = llc_ui_wait_for_busy_core(sk, timeout); } - if (!rc) + if (unlikely(!rc)) rc = llc_build_and_send_pkt(sk, skb); return rc; } @@ -155,7 +155,7 @@ static int llc_ui_create(struct socket *sock, int protocol) struct sock *sk; int rc = -ESOCKTNOSUPPORT; - if (sock->type == SOCK_DGRAM || sock->type == SOCK_STREAM) { + if (likely(sock->type == SOCK_DGRAM || sock->type == SOCK_STREAM)) { rc = -ENOMEM; sk = llc_sk_alloc(PF_LLC, GFP_KERNEL, &llc_proto); if (sk) { @@ -177,7 +177,7 @@ static int llc_ui_release(struct socket *sock) struct sock *sk = sock->sk; struct llc_sock *llc; - if (!sk) + if (unlikely(sk == NULL)) goto out; sock_hold(sk); lock_sock(sk); @@ -189,10 +189,6 @@ static int llc_ui_release(struct socket *sock) if (!sock_flag(sk, SOCK_ZAPPED)) llc_sap_remove_socket(llc->sap, sk); release_sock(sk); - if (llc->sap && hlist_empty(&llc->sap->sk_list.list)) { - llc_release_sockets(llc->sap); - llc_sap_close(llc->sap); - } if (llc->dev) dev_put(llc->dev); sock_put(sk); @@ -221,6 +217,7 @@ static int llc_ui_autoport(void) llc_ui_sap_last_autoport = i + 2; goto out; } + llc_sap_put(sap); } llc_ui_sap_last_autoport = LLC_SAP_DYN_START; tries++; @@ -231,20 +228,13 @@ out: } /** - * llc_ui_autobind - Bind a socket to a specific address. - * @sk: Socket to bind an address to. - * @addr: Address the user wants the socket bound to. + * llc_ui_autobind - automatically bind a socket to a sap + * @sock: socket to bind + * @addr: address to connect to + * + * Used by llc_ui_connect and llc_ui_sendmsg when the user hasn't + * specifically used llc_ui_bind to bind to an specific address/sap * - * Bind a socket to a specific address. For llc a user is able to bind to - * a specific sap only or mac + sap. If the user only specifies a sap and - * a null dmac (all zeros) the user is attempting to bind to an entire - * sap. This will stop anyone else on the local system from using that - * sap. If someone else has a mac + sap open the bind to null + sap will - * fail. - * If the user desires to bind to a specific mac + sap, it is possible to - * have multiple sap connections via multiple macs. - * Bind and autobind for that matter must enforce the correct sap usage - * otherwise all hell will break loose. * Returns: 0 upon success, negative otherwise. */ static int llc_ui_autobind(struct socket *sock, struct sockaddr_llc *addr) @@ -285,11 +275,7 @@ out: * @addrlen: Length of the uaddr structure. * * Bind a socket to a specific address. For llc a user is able to bind to - * a specific sap only or mac + sap. If the user only specifies a sap and - * a null dmac (all zeros) the user is attempting to bind to an entire - * sap. This will stop anyone else on the local system from using that - * sap. If someone else has a mac + sap open the bind to null + sap will - * fail. + * a specific sap only or mac + sap. * If the user desires to bind to a specific mac + sap, it is possible to * have multiple sap connections via multiple macs. * Bind and autobind for that matter must enforce the correct sap usage @@ -305,10 +291,16 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen) int rc = -EINVAL; dprintk("%s: binding %02X\n", __FUNCTION__, addr->sllc_sap); - if (!sock_flag(sk, SOCK_ZAPPED) || addrlen != sizeof(*addr)) + if (unlikely(!sock_flag(sk, SOCK_ZAPPED) || addrlen != sizeof(*addr))) goto out; rc = -EAFNOSUPPORT; - if (addr->sllc_family != AF_LLC) + if (unlikely(addr->sllc_family != AF_LLC)) + goto out; + rc = -ENODEV; + rtnl_lock(); + llc->dev = dev_getbyhwaddr(addr->sllc_arphrd, addr->sllc_mac); + rtnl_unlock(); + if (!llc->dev) goto out; if (!addr->sllc_sap) { rc = -EUSERS; @@ -322,6 +314,7 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen) rc = -EBUSY; /* some other network layer is using the sap */ if (!sap) goto out; + llc_sap_hold(sap); } else { struct llc_addr laddr, daddr; struct sock *ask; @@ -338,7 +331,7 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen) ask = llc_lookup_established(sap, &daddr, &laddr); if (ask) { sock_put(ask); - goto out; + goto out_put; } } llc->laddr.lsap = addr->sllc_sap; @@ -348,6 +341,8 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen) llc_sap_add_socket(sap, sk); sock_reset_flag(sk, SOCK_ZAPPED); rc = 0; +out_put: + llc_sap_put(sap); out: return rc; } @@ -369,7 +364,7 @@ static int llc_ui_shutdown(struct socket *sock, int how) int rc = -ENOTCONN; lock_sock(sk); - if (sk->sk_state != TCP_ESTABLISHED) + if (unlikely(sk->sk_state != TCP_ESTABLISHED)) goto out; rc = -EINVAL; if (how != 2) @@ -404,14 +399,18 @@ static int llc_ui_connect(struct socket *sock, struct sockaddr *uaddr, struct sock *sk = sock->sk; struct llc_sock *llc = llc_sk(sk); struct sockaddr_llc *addr = (struct sockaddr_llc *)uaddr; - struct net_device *dev; int rc = -EINVAL; lock_sock(sk); - if (addrlen != sizeof(*addr)) + if (unlikely(addrlen != sizeof(*addr))) goto out; rc = -EAFNOSUPPORT; - if (addr->sllc_family != AF_LLC) + if (unlikely(addr->sllc_family != AF_LLC)) + goto out; + if (unlikely(sk->sk_type != SOCK_STREAM)) + goto out; + rc = -EALREADY; + if (unlikely(sock->state == SS_CONNECTING)) goto out; /* bind connection to sap if user hasn't done it. */ if (sock_flag(sk, SOCK_ZAPPED)) { @@ -419,19 +418,13 @@ static int llc_ui_connect(struct socket *sock, struct sockaddr *uaddr, rc = llc_ui_autobind(sock, addr); if (rc) goto out; - llc->daddr.lsap = addr->sllc_sap; - memcpy(llc->daddr.mac, addr->sllc_mac, IFHWADDRLEN); } - dev = llc->dev; - if (sk->sk_type != SOCK_STREAM) - goto out; - rc = -EALREADY; - if (sock->state == SS_CONNECTING) - goto out; + llc->daddr.lsap = addr->sllc_sap; + memcpy(llc->daddr.mac, addr->sllc_mac, IFHWADDRLEN); sock->state = SS_CONNECTING; sk->sk_state = TCP_SYN_SENT; llc->link = llc_ui_next_link_no(llc->sap->laddr.lsap); - rc = llc_establish_connection(sk, dev->dev_addr, + rc = llc_establish_connection(sk, llc->dev->dev_addr, addr->sllc_mac, addr->sllc_sap); if (rc) { dprintk("%s: llc_ui_send_conn failed :-(\n", __FUNCTION__); @@ -439,12 +432,30 @@ static int llc_ui_connect(struct socket *sock, struct sockaddr *uaddr, sk->sk_state = TCP_CLOSE; goto out; } - rc = llc_ui_wait_for_conn(sk, sk->sk_rcvtimeo); - if (rc) - dprintk("%s: llc_ui_wait_for_conn failed=%d\n", __FUNCTION__, rc); + + if (sk->sk_state == TCP_SYN_SENT) { + const long timeo = sock_sndtimeo(sk, flags & O_NONBLOCK); + + if (!timeo || !llc_ui_wait_for_conn(sk, timeo)) + goto out; + + rc = sock_intr_errno(timeo); + if (signal_pending(current)) + goto out; + } + + if (sk->sk_state == TCP_CLOSE) + goto sock_error; + + sock->state = SS_CONNECTED; + rc = 0; out: release_sock(sk); return rc; +sock_error: + rc = sock_error(sk) ? : -ECONNABORTED; + sock->state = SS_UNCONNECTED; + goto out; } /** @@ -461,10 +472,10 @@ static int llc_ui_listen(struct socket *sock, int backlog) int rc = -EINVAL; lock_sock(sk); - if (sock->state != SS_UNCONNECTED) + if (unlikely(sock->state != SS_UNCONNECTED)) goto out; rc = -EOPNOTSUPP; - if (sk->sk_type != SOCK_STREAM) + if (unlikely(sk->sk_type != SOCK_STREAM)) goto out; rc = -EAGAIN; if (sock_flag(sk, SOCK_ZAPPED)) @@ -483,20 +494,14 @@ out: return rc; } -static int llc_ui_wait_for_disc(struct sock *sk, int timeout) +static int llc_ui_wait_for_disc(struct sock *sk, long timeout) { - DECLARE_WAITQUEUE(wait, current); - int rc; + DEFINE_WAIT(wait); + int rc = 0; - add_wait_queue_exclusive(sk->sk_sleep, &wait); - for (;;) { - __set_current_state(TASK_INTERRUPTIBLE); - rc = 0; - if (sk->sk_state != TCP_CLOSE) { - release_sock(sk); - timeout = schedule_timeout(timeout); - lock_sock(sk); - } else + while (1) { + prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); + if (sk_wait_event(sk, &timeout, sk->sk_state == TCP_CLOSE)) break; rc = -ERESTARTSYS; if (signal_pending(current)) @@ -504,65 +509,40 @@ static int llc_ui_wait_for_disc(struct sock *sk, int timeout) rc = -EAGAIN; if (!timeout) break; + rc = 0; } - __set_current_state(TASK_RUNNING); - remove_wait_queue(sk->sk_sleep, &wait); + finish_wait(sk->sk_sleep, &wait); return rc; } -static int llc_ui_wait_for_conn(struct sock *sk, int timeout) +static int llc_ui_wait_for_conn(struct sock *sk, long timeout) { - DECLARE_WAITQUEUE(wait, current); - int rc; + DEFINE_WAIT(wait); - add_wait_queue_exclusive(sk->sk_sleep, &wait); - for (;;) { - __set_current_state(TASK_INTERRUPTIBLE); - rc = -EAGAIN; - if (sk->sk_state == TCP_CLOSE) - break; - rc = 0; - if (sk->sk_state != TCP_ESTABLISHED) { - release_sock(sk); - timeout = schedule_timeout(timeout); - lock_sock(sk); - } else + while (1) { + prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); + if (sk_wait_event(sk, &timeout, sk->sk_state != TCP_SYN_SENT)) break; - rc = -ERESTARTSYS; - if (signal_pending(current)) - break; - rc = -EAGAIN; - if (!timeout) + if (signal_pending(current) || !timeout) break; } - __set_current_state(TASK_RUNNING); - remove_wait_queue(sk->sk_sleep, &wait); - return rc; + finish_wait(sk->sk_sleep, &wait); + return timeout; } -static int llc_ui_wait_for_data(struct sock *sk, int timeout) +static int llc_ui_wait_for_busy_core(struct sock *sk, long timeout) { - DECLARE_WAITQUEUE(wait, current); - int rc = 0; + DEFINE_WAIT(wait); + struct llc_sock *llc = llc_sk(sk); + int rc; - add_wait_queue_exclusive(sk->sk_sleep, &wait); - for (;;) { - __set_current_state(TASK_INTERRUPTIBLE); - if (sk->sk_shutdown & RCV_SHUTDOWN) - break; - /* - * Well, if we have backlog, try to process it now. - */ - if (sk->sk_backlog.tail) { - release_sock(sk); - lock_sock(sk); - } + while (1) { + prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); rc = 0; - if (skb_queue_empty(&sk->sk_receive_queue)) { - release_sock(sk); - timeout = schedule_timeout(timeout); - lock_sock(sk); - } else + if (sk_wait_event(sk, &timeout, + (sk->sk_shutdown & RCV_SHUTDOWN) || + (!llc_data_accept_state(llc->state) && + !llc->p_flag))) break; rc = -ERESTARTSYS; if (signal_pending(current)) @@ -571,40 +551,35 @@ static int llc_ui_wait_for_data(struct sock *sk, int timeout) if (!timeout) break; } - __set_current_state(TASK_RUNNING); - remove_wait_queue(sk->sk_sleep, &wait); + finish_wait(sk->sk_sleep, &wait); return rc; } -static int llc_ui_wait_for_busy_core(struct sock *sk, int timeout) +static int llc_wait_data(struct sock *sk, long timeo) { - DECLARE_WAITQUEUE(wait, current); - struct llc_sock *llc = llc_sk(sk); int rc; - add_wait_queue_exclusive(sk->sk_sleep, &wait); - for (;;) { - dprintk("%s: looping...\n", __FUNCTION__); - __set_current_state(TASK_INTERRUPTIBLE); - rc = -ENOTCONN; - if (sk->sk_shutdown & RCV_SHUTDOWN) + while (1) { + /* + * POSIX 1003.1g mandates this order. + */ + if (sk->sk_err) { + rc = sock_error(sk); break; + } rc = 0; - if (llc_data_accept_state(llc->state) || llc->p_flag) { - release_sock(sk); - timeout = schedule_timeout(timeout); - lock_sock(sk); - } else + if (sk->sk_shutdown & RCV_SHUTDOWN) break; - rc = -ERESTARTSYS; + rc = -EAGAIN; + if (!timeo) + break; + rc = sock_intr_errno(timeo); if (signal_pending(current)) break; - rc = -EAGAIN; - if (!timeout) + rc = 0; + if (sk_wait_data(sk, &timeo)) break; } - __set_current_state(TASK_RUNNING); - remove_wait_queue(sk->sk_sleep, &wait); return rc; } @@ -627,15 +602,18 @@ static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags) dprintk("%s: accepting on %02X\n", __FUNCTION__, llc_sk(sk)->laddr.lsap); lock_sock(sk); - if (sk->sk_type != SOCK_STREAM) + if (unlikely(sk->sk_type != SOCK_STREAM)) goto out; rc = -EINVAL; - if (sock->state != SS_UNCONNECTED || sk->sk_state != TCP_LISTEN) + if (unlikely(sock->state != SS_UNCONNECTED || + sk->sk_state != TCP_LISTEN)) goto out; /* wait for a connection to arrive. */ - rc = llc_ui_wait_for_data(sk, sk->sk_rcvtimeo); - if (rc) - goto out; + if (skb_queue_empty(&sk->sk_receive_queue)) { + rc = llc_wait_data(sk, sk->sk_rcvtimeo); + if (rc) + goto out; + } dprintk("%s: got a new connection on %02X\n", __FUNCTION__, llc_sk(sk)->laddr.lsap); skb = skb_dequeue(&sk->sk_receive_queue); @@ -657,7 +635,6 @@ static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags) /* put original socket back into a clean listen state. */ sk->sk_state = TCP_LISTEN; sk->sk_ack_backlog--; - skb->sk = NULL; dprintk("%s: ok success on %02X, client on %02X\n", __FUNCTION__, llc_sk(sk)->addr.sllc_sap, newllc->daddr.lsap); frees: @@ -671,56 +648,167 @@ out: * llc_ui_recvmsg - copy received data to the socket user. * @sock: Socket to copy data from. * @msg: Various user space related information. - * @size: Size of user buffer. + * @len: Size of user buffer. * @flags: User specified flags. * * Copy received data to the socket user. * Returns non-negative upon success, negative otherwise. */ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock, - struct msghdr *msg, size_t size, int flags) + struct msghdr *msg, size_t len, int flags) { - struct sock *sk = sock->sk; struct sockaddr_llc *uaddr = (struct sockaddr_llc *)msg->msg_name; - struct sk_buff *skb; + const int nonblock = flags & MSG_DONTWAIT; + struct sk_buff *skb = NULL; + struct sock *sk = sock->sk; + struct llc_sock *llc = llc_sk(sk); size_t copied = 0; - int rc = -ENOMEM, timeout; - int noblock = flags & MSG_DONTWAIT; + u32 peek_seq = 0; + u32 *seq; + unsigned long used; + int target; /* Read at least this many bytes */ + long timeo; - dprintk("%s: receiving in %02X from %02X\n", __FUNCTION__, - llc_sk(sk)->laddr.lsap, llc_sk(sk)->daddr.lsap); lock_sock(sk); - timeout = sock_rcvtimeo(sk, noblock); - rc = llc_ui_wait_for_data(sk, timeout); - if (rc) { - dprintk("%s: llc_ui_wait_for_data failed recv " - "in %02X from %02X\n", __FUNCTION__, - llc_sk(sk)->laddr.lsap, llc_sk(sk)->daddr.lsap); + copied = -ENOTCONN; + if (sk->sk_state == TCP_LISTEN) goto out; - } - skb = skb_dequeue(&sk->sk_receive_queue); - if (!skb) /* shutdown */ - goto out; - copied = skb->len; - if (copied > size) - copied = size; - rc = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied); - if (rc) - goto dgram_free; - if (skb->len > copied) { - skb_pull(skb, copied); - skb_queue_head(&sk->sk_receive_queue, skb); - } - if (uaddr) - memcpy(uaddr, llc_ui_skb_cb(skb), sizeof(*uaddr)); - msg->msg_namelen = sizeof(*uaddr); - if (!skb->next) { -dgram_free: - kfree_skb(skb); - } + + timeo = sock_rcvtimeo(sk, nonblock); + + seq = &llc->copied_seq; + if (flags & MSG_PEEK) { + peek_seq = llc->copied_seq; + seq = &peek_seq; + } + + target = sock_rcvlowat(sk, flags & MSG_WAITALL, len); + copied = 0; + + do { + u32 offset; + + /* + * We need to check signals first, to get correct SIGURG + * handling. FIXME: Need to check this doesn't impact 1003.1g + * and move it down to the bottom of the loop + */ + if (signal_pending(current)) { + if (copied) + break; + copied = timeo ? sock_intr_errno(timeo) : -EAGAIN; + break; + } + + /* Next get a buffer. */ + + skb = skb_peek(&sk->sk_receive_queue); + if (skb) { + offset = *seq; + goto found_ok_skb; + } + /* Well, if we have backlog, try to process it now yet. */ + + if (copied >= target && !sk->sk_backlog.tail) + break; + + if (copied) { + if (sk->sk_err || + sk->sk_state == TCP_CLOSE || + (sk->sk_shutdown & RCV_SHUTDOWN) || + !timeo || + (flags & MSG_PEEK)) + break; + } else { + if (sock_flag(sk, SOCK_DONE)) + break; + + if (sk->sk_err) { + copied = sock_error(sk); + break; + } + if (sk->sk_shutdown & RCV_SHUTDOWN) + break; + + if (sk->sk_state == TCP_CLOSE) { + if (!sock_flag(sk, SOCK_DONE)) { + /* + * This occurs when user tries to read + * from never connected socket. + */ + copied = -ENOTCONN; + break; + } + break; + } + if (!timeo) { + copied = -EAGAIN; + break; + } + } + + if (copied >= target) { /* Do not sleep, just process backlog. */ + release_sock(sk); + lock_sock(sk); + } else + sk_wait_data(sk, &timeo); + + if ((flags & MSG_PEEK) && peek_seq != llc->copied_seq) { + if (net_ratelimit()) + printk(KERN_DEBUG "LLC(%s:%d): Application " + "bug, race in MSG_PEEK.\n", + current->comm, current->pid); + peek_seq = llc->copied_seq; + } + continue; + found_ok_skb: + /* Ok so how much can we use? */ + used = skb->len - offset; + if (len < used) + used = len; + + if (!(flags & MSG_TRUNC)) { + int rc = skb_copy_datagram_iovec(skb, offset, + msg->msg_iov, used); + if (rc) { + /* Exception. Bailout! */ + if (!copied) + copied = -EFAULT; + break; + } + } + + *seq += used; + copied += used; + len -= used; + + if (used + offset < skb->len) + continue; + + if (!(flags & MSG_PEEK)) { + sk_eat_skb(sk, skb); + *seq = 0; + } + } while (len > 0); + + /* + * According to UNIX98, msg_name/msg_namelen are ignored + * on connected socket. -ANK + * But... af_llc still doesn't have separate sets of methods for + * SOCK_DGRAM and SOCK_STREAM :-( So we have to do this test, will + * eventually fix this tho :-) -acme + */ + if (sk->sk_type == SOCK_DGRAM) + goto copy_uaddr; out: release_sock(sk); - return rc ? : copied; + return copied; +copy_uaddr: + if (uaddr != NULL && skb != NULL) { + memcpy(uaddr, llc_ui_skb_cb(skb), sizeof(*uaddr)); + msg->msg_namelen = sizeof(*uaddr); + } + goto out; } /** @@ -740,7 +828,6 @@ static int llc_ui_sendmsg(struct kiocb *iocb, struct socket *sock, struct sockaddr_llc *addr = (struct sockaddr_llc *)msg->msg_name; int flags = msg->msg_flags; int noblock = flags & MSG_DONTWAIT; - struct net_device *dev; struct sk_buff *skb; size_t size = 0; int rc = -EINVAL, copied = 0, hdrlen; @@ -763,19 +850,17 @@ static int llc_ui_sendmsg(struct kiocb *iocb, struct socket *sock, if (rc) goto release; } - dev = llc->dev; - hdrlen = dev->hard_header_len + llc_ui_header_len(sk, addr); + hdrlen = llc->dev->hard_header_len + llc_ui_header_len(sk, addr); size = hdrlen + len; - if (size > dev->mtu) - size = dev->mtu; + if (size > llc->dev->mtu) + size = llc->dev->mtu; copied = size - hdrlen; release_sock(sk); skb = sock_alloc_send_skb(sk, size, noblock, &rc); lock_sock(sk); if (!skb) goto release; - skb->sk = sk; - skb->dev = dev; + skb->dev = llc->dev; skb->protocol = llc_proto_type(addr->sllc_arphrd); skb_reserve(skb, hdrlen); rc = memcpy_fromiovec(skb_put(skb, copied), msg->msg_iov, copied); @@ -800,15 +885,13 @@ static int llc_ui_sendmsg(struct kiocb *iocb, struct socket *sock, if (!(sk->sk_type == SOCK_STREAM && !addr->sllc_ua)) goto out; rc = llc_ui_send_data(sk, skb, noblock); - if (rc) - dprintk("%s: llc_ui_send_data failed: %d\n", __FUNCTION__, rc); out: - if (rc) + if (rc) { kfree_skb(skb); release: - if (rc) dprintk("%s: failed sending from %02X to %02X: %d\n", __FUNCTION__, llc->laddr.lsap, llc->daddr.lsap, rc); + } release_sock(sk); return rc ? : copied; } @@ -895,7 +978,7 @@ static int llc_ui_setsockopt(struct socket *sock, int level, int optname, int rc = -EINVAL, opt; lock_sock(sk); - if (level != SOL_LLC || optlen != sizeof(int)) + if (unlikely(level != SOL_LLC || optlen != sizeof(int))) goto out; rc = get_user(opt, (int __user *)optval); if (rc) @@ -915,22 +998,22 @@ static int llc_ui_setsockopt(struct socket *sock, int level, int optname, case LLC_OPT_ACK_TMR_EXP: if (opt > LLC_OPT_MAX_ACK_TMR_EXP) goto out; - llc->ack_timer.expire = opt; + llc->ack_timer.expire = opt * HZ; break; case LLC_OPT_P_TMR_EXP: if (opt > LLC_OPT_MAX_P_TMR_EXP) goto out; - llc->pf_cycle_timer.expire = opt; + llc->pf_cycle_timer.expire = opt * HZ; break; case LLC_OPT_REJ_TMR_EXP: if (opt > LLC_OPT_MAX_REJ_TMR_EXP) goto out; - llc->rej_sent_timer.expire = opt; + llc->rej_sent_timer.expire = opt * HZ; break; case LLC_OPT_BUSY_TMR_EXP: if (opt > LLC_OPT_MAX_BUSY_TMR_EXP) goto out; - llc->busy_state_timer.expire = opt; + llc->busy_state_timer.expire = opt * HZ; break; case LLC_OPT_TX_WIN: if (opt > LLC_OPT_MAX_WIN) @@ -970,7 +1053,7 @@ static int llc_ui_getsockopt(struct socket *sock, int level, int optname, int val = 0, len = 0, rc = -EINVAL; lock_sock(sk); - if (level != SOL_LLC) + if (unlikely(level != SOL_LLC)) goto out; rc = get_user(len, optlen); if (rc) @@ -980,17 +1063,17 @@ static int llc_ui_getsockopt(struct socket *sock, int level, int optname, goto out; switch (optname) { case LLC_OPT_RETRY: - val = llc->n2; break; + val = llc->n2; break; case LLC_OPT_SIZE: - val = llc->n1; break; + val = llc->n1; break; case LLC_OPT_ACK_TMR_EXP: - val = llc->ack_timer.expire; break; + val = llc->ack_timer.expire / HZ; break; case LLC_OPT_P_TMR_EXP: - val = llc->pf_cycle_timer.expire; break; + val = llc->pf_cycle_timer.expire / HZ; break; case LLC_OPT_REJ_TMR_EXP: - val = llc->rej_sent_timer.expire; break; + val = llc->rej_sent_timer.expire / HZ; break; case LLC_OPT_BUSY_TMR_EXP: - val = llc->busy_state_timer.expire; break; + val = llc->busy_state_timer.expire / HZ; break; case LLC_OPT_TX_WIN: val = llc->k; break; case LLC_OPT_RX_WIN: @@ -1034,8 +1117,12 @@ static struct proto_ops llc_ui_ops = { .sendpage = sock_no_sendpage, }; -extern void llc_sap_handler(struct llc_sap *sap, struct sk_buff *skb); -extern void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb); +static char llc_proc_err_msg[] __initdata = + KERN_CRIT "LLC: Unable to register the proc_fs entries\n"; +static char llc_sysctl_err_msg[] __initdata = + KERN_CRIT "LLC: Unable to register the sysctl entries\n"; +static char llc_sock_err_msg[] __initdata = + KERN_CRIT "LLC: Unable to register the network family\n"; static int __init llc2_init(void) { @@ -1048,13 +1135,28 @@ static int __init llc2_init(void) llc_station_init(); llc_ui_sap_last_autoport = LLC_SAP_DYN_START; rc = llc_proc_init(); - if (rc != 0) + if (rc != 0) { + printk(llc_proc_err_msg); goto out_unregister_llc_proto; - sock_register(&llc_ui_family_ops); + } + rc = llc_sysctl_init(); + if (rc) { + printk(llc_sysctl_err_msg); + goto out_proc; + } + rc = sock_register(&llc_ui_family_ops); + if (rc) { + printk(llc_sock_err_msg); + goto out_sysctl; + } llc_add_pack(LLC_DEST_SAP, llc_sap_handler); llc_add_pack(LLC_DEST_CONN, llc_conn_handler); out: return rc; +out_sysctl: + llc_sysctl_exit(); +out_proc: + llc_proc_exit(); out_unregister_llc_proto: proto_unregister(&llc_proto); goto out; @@ -1067,6 +1169,7 @@ static void __exit llc2_exit(void) llc_remove_pack(LLC_DEST_CONN); sock_unregister(PF_LLC); llc_proc_exit(); + llc_sysctl_exit(); proto_unregister(&llc_proto); } diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c index b218be4c10e..b0bcfb1f12d 100644 --- a/net/llc/llc_c_ac.c +++ b/net/llc/llc_c_ac.c @@ -60,23 +60,10 @@ int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb) int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb) { - int rc = -ENOTCONN; - u8 dsap; - struct llc_sap *sap; - - llc_pdu_decode_dsap(skb, &dsap); - sap = llc_sap_find(dsap); - if (sap) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); - struct llc_sock *llc = llc_sk(sk); + struct llc_conn_state_ev *ev = llc_conn_ev(skb); - llc_pdu_decode_sa(skb, llc->daddr.mac); - llc_pdu_decode_da(skb, llc->laddr.mac); - llc->dev = skb->dev; - ev->ind_prim = LLC_CONN_PRIM; - rc = 0; - } - return rc; + ev->ind_prim = LLC_CONN_PRIM; + return 0; } int llc_conn_ac_conn_confirm(struct sock *sk, struct sk_buff *skb) @@ -120,10 +107,8 @@ int llc_conn_ac_disc_ind(struct sock *sk, struct sk_buff *skb) reason = LLC_DISC_REASON_RX_DISC_CMD_PDU; } else if (ev->type == LLC_CONN_EV_TYPE_ACK_TMR) reason = LLC_DISC_REASON_ACK_TMR_EXP; - else { - reason = 0; + else rc = -EINVAL; - } if (!rc) { ev->reason = reason; ev->ind_prim = LLC_DISC_PRIM; @@ -160,9 +145,6 @@ int llc_conn_ac_rst_ind(struct sock *sk, struct sk_buff *skb) LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_SABME) { reason = LLC_RESET_REASON_REMOTE; rc = 0; - } else { - reason = 0; - rc = 1; } break; case LLC_CONN_EV_TYPE_ACK_TMR: @@ -172,8 +154,7 @@ int llc_conn_ac_rst_ind(struct sock *sk, struct sk_buff *skb) if (llc->retry_count > llc->n2) { reason = LLC_RESET_REASON_LOCAL; rc = 0; - } else - rc = 1; + } break; } if (!rc) { @@ -217,18 +198,17 @@ int llc_conn_ac_stop_rej_tmr_if_data_flag_eq_2(struct sock *sk, int llc_conn_ac_send_disc_cmd_p_set_x(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_disc_cmd(nskb, 1); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); llc_conn_ac_set_p_flag_1(sk, skb); @@ -243,20 +223,19 @@ free: int llc_conn_ac_send_dm_rsp_f_set_p(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; u8 f_bit; - nskb->dev = llc->dev; llc_pdu_decode_pf_bit(skb, &f_bit); llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_dm_rsp(nskb, f_bit); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -270,19 +249,17 @@ free: int llc_conn_ac_send_dm_rsp_f_set_1(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - u8 f_bit = 1; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); - llc_pdu_init_as_dm_rsp(nskb, f_bit); + llc_pdu_init_as_dm_rsp(nskb, 1); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -306,17 +283,16 @@ int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock *sk, struct sk_buff *skb) llc_pdu_decode_pf_bit(skb, &f_bit); else f_bit = 0; - nskb = llc_alloc_frame(); + nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS, llc->vR, INCORRECT); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -330,21 +306,19 @@ free: int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - u8 f_bit = 0; - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; struct llc_pdu_sn *pdu = (struct llc_pdu_sn *)&llc->rx_pdu_hdr; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); - llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS, + llc_pdu_init_as_frmr_rsp(nskb, pdu, 0, llc->vS, llc->vR, INCORRECT); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -360,21 +334,20 @@ int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock *sk, struct sk_buff *skb) u8 f_bit; int rc = -ENOBUFS; struct sk_buff *nskb; + struct llc_sock *llc = llc_sk(sk); llc_pdu_decode_pf_bit(skb, &f_bit); - nskb = llc_alloc_frame(); + nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS, llc->vR, INCORRECT); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -395,7 +368,7 @@ int llc_conn_ac_send_i_cmd_p_set_1(struct sock *sk, struct sk_buff *skb) llc->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_i_cmd(skb, 1, llc->vS, llc->vR); rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac); - if (!rc) { + if (likely(!rc)) { llc_conn_send_pdu(sk, skb); llc_conn_ac_inc_vs_by_1(sk, skb); } @@ -412,7 +385,7 @@ static int llc_conn_ac_send_i_cmd_p_set_0(struct sock *sk, struct sk_buff *skb) llc->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR); rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac); - if (!rc) { + if (likely(!rc)) { llc_conn_send_pdu(sk, skb); llc_conn_ac_inc_vs_by_1(sk, skb); } @@ -429,7 +402,7 @@ int llc_conn_ac_send_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb) llc->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR); rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac); - if (!rc) { + if (likely(!rc)) { llc_conn_send_pdu(sk, skb); llc_conn_ac_inc_vs_by_1(sk, skb); } @@ -451,18 +424,17 @@ int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock *sk, u8 nr; struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (!rc) + if (likely(!rc)) llc_conn_send_pdu(sk, nskb); else kfree_skb(skb); @@ -487,18 +459,17 @@ int llc_conn_ac_resend_i_rsp_f_set_1(struct sock *sk, struct sk_buff *skb) int llc_conn_ac_send_rej_cmd_p_set_1(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_rej_cmd(nskb, 1, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -512,19 +483,17 @@ free: int llc_conn_ac_send_rej_rsp_f_set_1(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - u8 f_bit = 1; - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); - llc_pdu_init_as_rej_rsp(nskb, f_bit, llc->vR); + llc_pdu_init_as_rej_rsp(nskb, 1, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -538,19 +507,17 @@ free: int llc_conn_ac_send_rej_xxx_x_set_0(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - u8 f_bit = 0; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); - llc_pdu_init_as_rej_rsp(nskb, f_bit, llc->vR); + llc_pdu_init_as_rej_rsp(nskb, 0, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -564,18 +531,17 @@ free: int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_rnr_cmd(nskb, 1, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -589,19 +555,17 @@ free: int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - u8 f_bit = 1; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); - llc_pdu_init_as_rnr_rsp(nskb, f_bit, llc->vR); + llc_pdu_init_as_rnr_rsp(nskb, 1, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -615,19 +579,17 @@ free: int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - u8 f_bit = 0; - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); - llc_pdu_init_as_rnr_rsp(nskb, f_bit, llc->vR); + llc_pdu_init_as_rnr_rsp(nskb, 0, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -645,7 +607,7 @@ int llc_conn_ac_set_remote_busy(struct sock *sk, struct sk_buff *skb) if (!llc->remote_busy_flag) { llc->remote_busy_flag = 1; mod_timer(&llc->busy_state_timer.timer, - jiffies + llc->busy_state_timer.expire * HZ); + jiffies + llc->busy_state_timer.expire); } return 0; } @@ -653,18 +615,17 @@ int llc_conn_ac_set_remote_busy(struct sock *sk, struct sk_buff *skb) int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_rnr_rsp(nskb, 0, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -678,18 +639,17 @@ free: int llc_conn_ac_send_rr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_rr_cmd(nskb, 1, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -703,19 +663,18 @@ free: int llc_conn_ac_send_rr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; u8 f_bit = 1; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_rr_rsp(nskb, f_bit, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -729,19 +688,17 @@ free: int llc_conn_ac_send_ack_rsp_f_set_1(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - u8 f_bit = 1; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); - llc_pdu_init_as_rr_rsp(nskb, f_bit, llc->vR); + llc_pdu_init_as_rr_rsp(nskb, 1, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -755,18 +712,17 @@ free: int llc_conn_ac_send_rr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -780,18 +736,17 @@ free: int llc_conn_ac_send_ack_xxx_x_set_0(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -815,8 +770,8 @@ void llc_conn_set_p_flag(struct sock *sk, u8 value) int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { struct llc_sap *sap = llc->sap; @@ -824,12 +779,11 @@ int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock *sk, struct sk_buff *skb) if (llc->dev->flags & IFF_LOOPBACK) dmac = llc->dev->dev_addr; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_sabme_cmd(nskb, 1); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, dmac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); llc_conn_set_p_flag(sk, 1); @@ -845,11 +799,11 @@ int llc_conn_ac_send_ua_rsp_f_set_p(struct sock *sk, struct sk_buff *skb) { u8 f_bit; int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); llc_pdu_decode_pf_bit(skb, &f_bit); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; nskb->dev = llc->dev; @@ -857,7 +811,7 @@ int llc_conn_ac_send_ua_rsp_f_set_p(struct sock *sk, struct sk_buff *skb) llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_ua_rsp(nskb, f_bit); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -886,7 +840,7 @@ int llc_conn_ac_start_p_timer(struct sock *sk, struct sk_buff *skb) llc_conn_set_p_flag(sk, 1); mod_timer(&llc->pf_cycle_timer.timer, - jiffies + llc->pf_cycle_timer.expire * HZ); + jiffies + llc->pf_cycle_timer.expire); return 0; } @@ -957,7 +911,7 @@ static int llc_conn_ac_send_i_rsp_f_set_ackpf(struct sock *sk, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_i_cmd(skb, llc->ack_pf, llc->vS, llc->vR); rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac); - if (!rc) { + if (likely(!rc)) { llc_conn_send_pdu(sk, skb); llc_conn_ac_inc_vs_by_1(sk, skb); } @@ -1001,18 +955,17 @@ static int llc_conn_ac_send_rr_rsp_f_set_ackpf(struct sock *sk, struct sk_buff *skb) { int rc = -ENOBUFS; - struct sk_buff *nskb = llc_alloc_frame(); + struct llc_sock *llc = llc_sk(sk); + struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev); if (nskb) { - struct llc_sock *llc = llc_sk(sk); struct llc_sap *sap = llc->sap; - nskb->dev = llc->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap, llc->daddr.lsap, LLC_PDU_RSP); llc_pdu_init_as_rr_rsp(nskb, llc->ack_pf, llc->vR); rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); - if (rc) + if (unlikely(rc)) goto free; llc_conn_send_pdu(sk, nskb); } @@ -1165,7 +1118,7 @@ int llc_conn_ac_start_ack_timer(struct sock *sk, struct sk_buff *skb) { struct llc_sock *llc = llc_sk(sk); - mod_timer(&llc->ack_timer.timer, jiffies + llc->ack_timer.expire * HZ); + mod_timer(&llc->ack_timer.timer, jiffies + llc->ack_timer.expire); return 0; } @@ -1174,7 +1127,7 @@ int llc_conn_ac_start_rej_timer(struct sock *sk, struct sk_buff *skb) struct llc_sock *llc = llc_sk(sk); mod_timer(&llc->rej_sent_timer.timer, - jiffies + llc->rej_sent_timer.expire * HZ); + jiffies + llc->rej_sent_timer.expire); return 0; } @@ -1185,7 +1138,7 @@ int llc_conn_ac_start_ack_tmr_if_not_running(struct sock *sk, if (!timer_pending(&llc->ack_timer.timer)) mod_timer(&llc->ack_timer.timer, - jiffies + llc->ack_timer.expire * HZ); + jiffies + llc->ack_timer.expire); return 0; } @@ -1233,7 +1186,7 @@ int llc_conn_ac_upd_nr_received(struct sock *sk, struct sk_buff *skb) } if (unacked) mod_timer(&llc->ack_timer.timer, - jiffies + llc->ack_timer.expire * HZ); + jiffies + llc->ack_timer.expire); } else if (llc->failed_data_req) { u8 f_bit; @@ -1354,13 +1307,13 @@ int llc_conn_ac_set_vs_nr(struct sock *sk, struct sk_buff *skb) return 0; } -int llc_conn_ac_inc_vs_by_1(struct sock *sk, struct sk_buff *skb) +static int llc_conn_ac_inc_vs_by_1(struct sock *sk, struct sk_buff *skb) { llc_sk(sk)->vS = (llc_sk(sk)->vS + 1) % 128; return 0; } -void llc_conn_pf_cycle_tmr_cb(unsigned long timeout_data) +static void llc_conn_tmr_common_cb(unsigned long timeout_data, u8 type) { struct sock *sk = (struct sock *)timeout_data; struct sk_buff *skb = alloc_skb(0, GFP_ATOMIC); @@ -1369,59 +1322,31 @@ void llc_conn_pf_cycle_tmr_cb(unsigned long timeout_data) if (skb) { struct llc_conn_state_ev *ev = llc_conn_ev(skb); - skb->sk = sk; - ev->type = LLC_CONN_EV_TYPE_P_TMR; + skb_set_owner_r(skb, sk); + ev->type = type; llc_process_tmr_ev(sk, skb); } bh_unlock_sock(sk); } -void llc_conn_busy_tmr_cb(unsigned long timeout_data) +void llc_conn_pf_cycle_tmr_cb(unsigned long timeout_data) { - struct sock *sk = (struct sock *)timeout_data; - struct sk_buff *skb = alloc_skb(0, GFP_ATOMIC); - - bh_lock_sock(sk); - if (skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + llc_conn_tmr_common_cb(timeout_data, LLC_CONN_EV_TYPE_P_TMR); +} - skb->sk = sk; - ev->type = LLC_CONN_EV_TYPE_BUSY_TMR; - llc_process_tmr_ev(sk, skb); - } - bh_unlock_sock(sk); +void llc_conn_busy_tmr_cb(unsigned long timeout_data) +{ + llc_conn_tmr_common_cb(timeout_data, LLC_CONN_EV_TYPE_BUSY_TMR); } void llc_conn_ack_tmr_cb(unsigned long timeout_data) { - struct sock* sk = (struct sock *)timeout_data; - struct sk_buff *skb = alloc_skb(0, GFP_ATOMIC); - - bh_lock_sock(sk); - if (skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); - - skb->sk = sk; - ev->type = LLC_CONN_EV_TYPE_ACK_TMR; - llc_process_tmr_ev(sk, skb); - } - bh_unlock_sock(sk); + llc_conn_tmr_common_cb(timeout_data, LLC_CONN_EV_TYPE_ACK_TMR); } void llc_conn_rej_tmr_cb(unsigned long timeout_data) { - struct sock *sk = (struct sock *)timeout_data; - struct sk_buff *skb = alloc_skb(0, GFP_ATOMIC); - - bh_lock_sock(sk); - if (skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); - - skb->sk = sk; - ev->type = LLC_CONN_EV_TYPE_REJ_TMR; - llc_process_tmr_ev(sk, skb); - } - bh_unlock_sock(sk); + llc_conn_tmr_common_cb(timeout_data, LLC_CONN_EV_TYPE_REJ_TMR); } int llc_conn_ac_rst_vs(struct sock *sk, struct sk_buff *skb) diff --git a/net/llc/llc_c_ev.c b/net/llc/llc_c_ev.c index d5bdb53a348..c5deda24661 100644 --- a/net/llc/llc_c_ev.c +++ b/net/llc/llc_c_ev.c @@ -37,6 +37,7 @@ #include <net/llc_conn.h> #include <net/llc_sap.h> #include <net/sock.h> +#include <net/llc_c_ac.h> #include <net/llc_c_ev.h> #include <net/llc_pdu.h> @@ -46,8 +47,6 @@ #define dprintk(args...) #endif -extern u16 llc_circular_between(u8 a, u8 b, u8 c); - /** * llc_util_ns_inside_rx_window - check if sequence number is in rx window * @ns: sequence number of received pdu. @@ -99,7 +98,7 @@ out: int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->prim == LLC_CONN_PRIM && ev->prim_type == LLC_PRIM_TYPE_REQ ? 0 : 1; @@ -107,7 +106,7 @@ int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_data_req(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->prim == LLC_DATA_PRIM && ev->prim_type == LLC_PRIM_TYPE_REQ ? 0 : 1; @@ -115,7 +114,7 @@ int llc_conn_ev_data_req(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_disc_req(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->prim == LLC_DISC_PRIM && ev->prim_type == LLC_PRIM_TYPE_REQ ? 0 : 1; @@ -123,7 +122,7 @@ int llc_conn_ev_disc_req(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rst_req(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->prim == LLC_RESET_PRIM && ev->prim_type == LLC_PRIM_TYPE_REQ ? 0 : 1; @@ -131,7 +130,7 @@ int llc_conn_ev_rst_req(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_local_busy_detected(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->type == LLC_CONN_EV_TYPE_SIMPLE && ev->prim_type == LLC_CONN_EV_LOCAL_BUSY_DETECTED ? 0 : 1; @@ -139,7 +138,7 @@ int llc_conn_ev_local_busy_detected(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_local_busy_cleared(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->type == LLC_CONN_EV_TYPE_SIMPLE && ev->prim_type == LLC_CONN_EV_LOCAL_BUSY_CLEARED ? 0 : 1; @@ -152,7 +151,7 @@ int llc_conn_ev_rx_bad_pdu(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_disc_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); + const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_U(pdu) && LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_DISC ? 0 : 1; @@ -160,7 +159,7 @@ int llc_conn_ev_rx_disc_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_dm_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); + const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_U(pdu) && LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_DM ? 0 : 1; @@ -168,7 +167,7 @@ int llc_conn_ev_rx_dm_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_frmr_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); + const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_U(pdu) && LLC_U_PDU_RSP(pdu) == LLC_2_PDU_RSP_FRMR ? 0 : 1; @@ -176,7 +175,7 @@ int llc_conn_ev_rx_frmr_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_i_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return llc_conn_space(sk, skb) && LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) && @@ -186,7 +185,7 @@ int llc_conn_ev_rx_i_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_i_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return llc_conn_space(sk, skb) && LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) && @@ -197,9 +196,9 @@ int llc_conn_ev_rx_i_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_i_cmd_pbit_set_0_unexpd_ns(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); - u8 vr = llc_sk(sk)->vR; - u8 ns = LLC_I_GET_NS(pdu); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const u8 vr = llc_sk(sk)->vR; + const u8 ns = LLC_I_GET_NS(pdu); return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) && LLC_I_PF_IS_0(pdu) && ns != vr && @@ -209,9 +208,9 @@ int llc_conn_ev_rx_i_cmd_pbit_set_0_unexpd_ns(struct sock *sk, int llc_conn_ev_rx_i_cmd_pbit_set_1_unexpd_ns(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); - u8 vr = llc_sk(sk)->vR; - u8 ns = LLC_I_GET_NS(pdu); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const u8 vr = llc_sk(sk)->vR; + const u8 ns = LLC_I_GET_NS(pdu); return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) && LLC_I_PF_IS_1(pdu) && ns != vr && @@ -221,10 +220,11 @@ int llc_conn_ev_rx_i_cmd_pbit_set_1_unexpd_ns(struct sock *sk, int llc_conn_ev_rx_i_cmd_pbit_set_x_inval_ns(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn * pdu = llc_pdu_sn_hdr(skb); - u8 vr = llc_sk(sk)->vR; - u8 ns = LLC_I_GET_NS(pdu); - u16 rc = LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) && ns != vr && + const struct llc_pdu_sn * pdu = llc_pdu_sn_hdr(skb); + const u8 vr = llc_sk(sk)->vR; + const u8 ns = LLC_I_GET_NS(pdu); + const u16 rc = LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_I(pdu) && + ns != vr && llc_util_ns_inside_rx_window(ns, vr, llc_sk(sk)->rw) ? 0 : 1; if (!rc) dprintk("%s: matched, state=%d, ns=%d, vr=%d\n", @@ -234,7 +234,7 @@ int llc_conn_ev_rx_i_cmd_pbit_set_x_inval_ns(struct sock *sk, int llc_conn_ev_rx_i_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return llc_conn_space(sk, skb) && LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) && @@ -244,7 +244,7 @@ int llc_conn_ev_rx_i_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_i_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) && LLC_I_PF_IS_1(pdu) && @@ -253,7 +253,7 @@ int llc_conn_ev_rx_i_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_i_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return llc_conn_space(sk, skb) && LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) && @@ -263,9 +263,9 @@ int llc_conn_ev_rx_i_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_i_rsp_fbit_set_0_unexpd_ns(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); - u8 vr = llc_sk(sk)->vR; - u8 ns = LLC_I_GET_NS(pdu); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const u8 vr = llc_sk(sk)->vR; + const u8 ns = LLC_I_GET_NS(pdu); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) && LLC_I_PF_IS_0(pdu) && ns != vr && @@ -275,9 +275,9 @@ int llc_conn_ev_rx_i_rsp_fbit_set_0_unexpd_ns(struct sock *sk, int llc_conn_ev_rx_i_rsp_fbit_set_1_unexpd_ns(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); - u8 vr = llc_sk(sk)->vR; - u8 ns = LLC_I_GET_NS(pdu); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const u8 vr = llc_sk(sk)->vR; + const u8 ns = LLC_I_GET_NS(pdu); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) && LLC_I_PF_IS_1(pdu) && ns != vr && @@ -287,9 +287,9 @@ int llc_conn_ev_rx_i_rsp_fbit_set_1_unexpd_ns(struct sock *sk, int llc_conn_ev_rx_i_rsp_fbit_set_x_unexpd_ns(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); - u8 vr = llc_sk(sk)->vR; - u8 ns = LLC_I_GET_NS(pdu); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const u8 vr = llc_sk(sk)->vR; + const u8 ns = LLC_I_GET_NS(pdu); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) && ns != vr && !llc_util_ns_inside_rx_window(ns, vr, llc_sk(sk)->rw) ? 0 : 1; @@ -298,10 +298,11 @@ int llc_conn_ev_rx_i_rsp_fbit_set_x_unexpd_ns(struct sock *sk, int llc_conn_ev_rx_i_rsp_fbit_set_x_inval_ns(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); - u8 vr = llc_sk(sk)->vR; - u8 ns = LLC_I_GET_NS(pdu); - u16 rc = LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) && ns != vr && + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const u8 vr = llc_sk(sk)->vR; + const u8 ns = LLC_I_GET_NS(pdu); + const u16 rc = LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_I(pdu) && + ns != vr && llc_util_ns_inside_rx_window(ns, vr, llc_sk(sk)->rw) ? 0 : 1; if (!rc) dprintk("%s: matched, state=%d, ns=%d, vr=%d\n", @@ -311,7 +312,7 @@ int llc_conn_ev_rx_i_rsp_fbit_set_x_inval_ns(struct sock *sk, int llc_conn_ev_rx_rej_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PF_IS_0(pdu) && @@ -320,7 +321,7 @@ int llc_conn_ev_rx_rej_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rej_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PF_IS_1(pdu) && @@ -329,7 +330,7 @@ int llc_conn_ev_rx_rej_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rej_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PF_IS_0(pdu) && @@ -338,7 +339,7 @@ int llc_conn_ev_rx_rej_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rej_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PF_IS_1(pdu) && @@ -347,7 +348,7 @@ int llc_conn_ev_rx_rej_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rej_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); + const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PDU_RSP(pdu) == LLC_2_PDU_RSP_REJ ? 0 : 1; @@ -355,7 +356,7 @@ int llc_conn_ev_rx_rej_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rnr_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PF_IS_0(pdu) && @@ -364,7 +365,7 @@ int llc_conn_ev_rx_rnr_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rnr_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PF_IS_1(pdu) && @@ -373,7 +374,7 @@ int llc_conn_ev_rx_rnr_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rnr_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PF_IS_0(pdu) && @@ -382,7 +383,7 @@ int llc_conn_ev_rx_rnr_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rnr_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PF_IS_1(pdu) && @@ -391,7 +392,7 @@ int llc_conn_ev_rx_rnr_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rr_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PF_IS_0(pdu) && @@ -400,7 +401,7 @@ int llc_conn_ev_rx_rr_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rr_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_S(pdu) && LLC_S_PF_IS_1(pdu) && @@ -409,7 +410,7 @@ int llc_conn_ev_rx_rr_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rr_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return llc_conn_space(sk, skb) && LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) && @@ -419,7 +420,7 @@ int llc_conn_ev_rx_rr_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_rr_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); return llc_conn_space(sk, skb) && LLC_PDU_IS_RSP(pdu) && LLC_PDU_TYPE_IS_S(pdu) && @@ -429,7 +430,7 @@ int llc_conn_ev_rx_rr_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_sabme_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb) { - struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); + const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); return LLC_PDU_IS_CMD(pdu) && LLC_PDU_TYPE_IS_U(pdu) && LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_SABME ? 0 : 1; @@ -446,7 +447,7 @@ int llc_conn_ev_rx_ua_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_xxx_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb) { u16 rc = 1; - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); if (LLC_PDU_IS_CMD(pdu)) { if (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu)) { @@ -461,7 +462,7 @@ int llc_conn_ev_rx_xxx_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_rx_xxx_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb) { u16 rc = 1; - struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); + const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); if (LLC_PDU_IS_CMD(pdu)) { if (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu)) @@ -477,32 +478,10 @@ int llc_conn_ev_rx_xxx_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb) return rc; } -int llc_conn_ev_rx_xxx_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb) -{ - u16 rc = 1; - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); - - if (LLC_PDU_IS_RSP(pdu)) { - if (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu)) { - if (LLC_I_PF_IS_1(pdu)) - rc = 0; - } else if (LLC_PDU_TYPE_IS_U(pdu)) - switch (LLC_U_PDU_RSP(pdu)) { - case LLC_2_PDU_RSP_UA: - case LLC_2_PDU_RSP_DM: - case LLC_2_PDU_RSP_FRMR: - if (LLC_U_PF_IS_1(pdu)) - rc = 0; - break; - } - } - return rc; -} - int llc_conn_ev_rx_xxx_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb) { u16 rc = 1; - struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); + const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb); if (LLC_PDU_IS_RSP(pdu)) { if (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu)) @@ -524,9 +503,9 @@ int llc_conn_ev_rx_zzz_cmd_pbit_set_x_inval_nr(struct sock *sk, struct sk_buff *skb) { u16 rc = 1; - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); - u8 vs = llc_sk(sk)->vS; - u8 nr = LLC_I_GET_NR(pdu); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const u8 vs = llc_sk(sk)->vS; + const u8 nr = LLC_I_GET_NR(pdu); if (LLC_PDU_IS_CMD(pdu) && (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu)) && @@ -542,9 +521,9 @@ int llc_conn_ev_rx_zzz_rsp_fbit_set_x_inval_nr(struct sock *sk, struct sk_buff *skb) { u16 rc = 1; - struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); - u8 vs = llc_sk(sk)->vS; - u8 nr = LLC_I_GET_NR(pdu); + const struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb); + const u8 vs = llc_sk(sk)->vS; + const u8 nr = LLC_I_GET_NR(pdu); if (LLC_PDU_IS_RSP(pdu) && (LLC_PDU_TYPE_IS_I(pdu) || LLC_PDU_TYPE_IS_S(pdu)) && @@ -563,28 +542,28 @@ int llc_conn_ev_rx_any_frame(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_p_tmr_exp(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->type != LLC_CONN_EV_TYPE_P_TMR; } int llc_conn_ev_ack_tmr_exp(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->type != LLC_CONN_EV_TYPE_ACK_TMR; } int llc_conn_ev_rej_tmr_exp(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->type != LLC_CONN_EV_TYPE_REJ_TMR; } int llc_conn_ev_busy_tmr_exp(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->type != LLC_CONN_EV_TYPE_BUSY_TMR; } @@ -596,7 +575,7 @@ int llc_conn_ev_init_p_f_cycle(struct sock *sk, struct sk_buff *skb) int llc_conn_ev_tx_buffer_full(struct sock *sk, struct sk_buff *skb) { - struct llc_conn_state_ev *ev = llc_conn_ev(skb); + const struct llc_conn_state_ev *ev = llc_conn_ev(skb); return ev->type == LLC_CONN_EV_TYPE_SIMPLE && ev->prim_type == LLC_CONN_EV_TX_BUFF_FULL ? 0 : 1; diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c index 4c644bc70ea..042b24a8ca4 100644 --- a/net/llc/llc_conn.c +++ b/net/llc/llc_conn.c @@ -40,6 +40,11 @@ static struct llc_conn_state_trans *llc_qualify_conn_ev(struct sock *sk, /* Offset table on connection states transition diagram */ static int llc_offset_table[NBR_CONN_STATES][NBR_CONN_EV]; +int sysctl_llc2_ack_timeout = LLC2_ACK_TIME * HZ; +int sysctl_llc2_p_timeout = LLC2_P_TIME * HZ; +int sysctl_llc2_rej_timeout = LLC2_REJ_TIME * HZ; +int sysctl_llc2_busy_timeout = LLC2_BUSY_TIME * HZ; + /** * llc_conn_state_process - sends event to connection state machine * @sk: connection @@ -53,7 +58,7 @@ static int llc_offset_table[NBR_CONN_STATES][NBR_CONN_EV]; int llc_conn_state_process(struct sock *sk, struct sk_buff *skb) { int rc; - struct llc_sock *llc = llc_sk(sk); + struct llc_sock *llc = llc_sk(skb->sk); struct llc_conn_state_ev *ev = llc_conn_ev(skb); /* @@ -63,13 +68,16 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb) */ skb_get(skb); ev->ind_prim = ev->cfm_prim = 0; - rc = llc_conn_service(sk, skb); /* sending event to state machine */ - if (rc) { + /* + * Send event to state machine + */ + rc = llc_conn_service(skb->sk, skb); + if (unlikely(rc != 0)) { printk(KERN_ERR "%s: llc_conn_service failed\n", __FUNCTION__); goto out_kfree_skb; } - if (!ev->ind_prim && !ev->cfm_prim) { + if (unlikely(!ev->ind_prim && !ev->cfm_prim)) { /* indicate or confirm not required */ /* XXX this is not very pretty, perhaps we should store * XXX indicate/confirm-needed state in the llc_conn_state_ev @@ -80,13 +88,13 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb) goto out_skb_put; } - if (ev->ind_prim && ev->cfm_prim) /* Paranoia */ + if (unlikely(ev->ind_prim && ev->cfm_prim)) /* Paranoia */ skb_get(skb); switch (ev->ind_prim) { case LLC_DATA_PRIM: - llc_save_primitive(skb, LLC_DATA_PRIM); - if (sock_queue_rcv_skb(sk, skb)) { + llc_save_primitive(sk, skb, LLC_DATA_PRIM); + if (unlikely(sock_queue_rcv_skb(sk, skb))) { /* * shouldn't happen */ @@ -95,13 +103,14 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb) kfree_skb(skb); } break; - case LLC_CONN_PRIM: { - struct sock *parent = skb->sk; - - skb->sk = sk; - skb_queue_tail(&parent->sk_receive_queue, skb); - sk->sk_state_change(parent); - } + case LLC_CONN_PRIM: + /* + * Can't be sock_queue_rcv_skb, because we have to leave the + * skb->sk pointing to the newly created struct sock in + * llc_conn_handler. -acme + */ + skb_queue_tail(&sk->sk_receive_queue, skb); + sk->sk_state_change(sk); break; case LLC_DISC_PRIM: sock_hold(sk); @@ -111,8 +120,8 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb) sk->sk_socket->state = SS_UNCONNECTED; sk->sk_state = TCP_CLOSE; if (!sock_flag(sk, SOCK_DEAD)) { - sk->sk_state_change(sk); sock_set_flag(sk, SOCK_DEAD); + sk->sk_state_change(sk); } } kfree_skb(skb); @@ -465,7 +474,7 @@ static int llc_exec_conn_trans_actions(struct sock *sk, } /** - * llc_lookup_established - Finds connection for the remote/local sap/mac + * __llc_lookup_established - Finds connection for the remote/local sap/mac * @sap: SAP * @daddr: address of remote LLC (MAC + SAP) * @laddr: address of local LLC (MAC + SAP) @@ -473,14 +482,16 @@ static int llc_exec_conn_trans_actions(struct sock *sk, * Search connection list of the SAP and finds connection using the remote * mac, remote sap, local mac, and local sap. Returns pointer for * connection found, %NULL otherwise. + * Caller has to make sure local_bh is disabled. */ -struct sock *llc_lookup_established(struct llc_sap *sap, struct llc_addr *daddr, - struct llc_addr *laddr) +static struct sock *__llc_lookup_established(struct llc_sap *sap, + struct llc_addr *daddr, + struct llc_addr *laddr) { struct sock *rc; struct hlist_node *node; - read_lock_bh(&sap->sk_list.lock); + read_lock(&sap->sk_list.lock); sk_for_each(rc, node, &sap->sk_list.list) { struct llc_sock *llc = llc_sk(rc); @@ -494,10 +505,22 @@ struct sock *llc_lookup_established(struct llc_sap *sap, struct llc_addr *daddr, } rc = NULL; found: - read_unlock_bh(&sap->sk_list.lock); + read_unlock(&sap->sk_list.lock); return rc; } +struct sock *llc_lookup_established(struct llc_sap *sap, + struct llc_addr *daddr, + struct llc_addr *laddr) +{ + struct sock *sk; + + local_bh_disable(); + sk = __llc_lookup_established(sap, daddr, laddr); + local_bh_enable(); + return sk; +} + /** * llc_lookup_listener - Finds listener for local MAC + SAP * @sap: SAP @@ -506,6 +529,7 @@ found: * Search connection list of the SAP and finds connection listening on * local mac, and local sap. Returns pointer for parent socket found, * %NULL otherwise. + * Caller has to make sure local_bh is disabled. */ static struct sock *llc_lookup_listener(struct llc_sap *sap, struct llc_addr *laddr) @@ -513,7 +537,7 @@ static struct sock *llc_lookup_listener(struct llc_sap *sap, struct sock *rc; struct hlist_node *node; - read_lock_bh(&sap->sk_list.lock); + read_lock(&sap->sk_list.lock); sk_for_each(rc, node, &sap->sk_list.list) { struct llc_sock *llc = llc_sk(rc); @@ -527,10 +551,19 @@ static struct sock *llc_lookup_listener(struct llc_sap *sap, } rc = NULL; found: - read_unlock_bh(&sap->sk_list.lock); + read_unlock(&sap->sk_list.lock); return rc; } +static struct sock *__llc_lookup(struct llc_sap *sap, + struct llc_addr *daddr, + struct llc_addr *laddr) +{ + struct sock *sk = __llc_lookup_established(sap, daddr, laddr); + + return sk ? : llc_lookup_listener(sap, laddr); +} + /** * llc_data_accept_state - designates if in this state data can be sent. * @state: state of connection. @@ -544,14 +577,14 @@ u8 llc_data_accept_state(u8 state) } /** - * find_next_offset - finds offset for next category of transitions + * llc_find_next_offset - finds offset for next category of transitions * @state: state table. * @offset: start offset. * * Finds offset of next category of transitions in transition table. * Returns the start index of next category. */ -static u16 find_next_offset(struct llc_conn_state *state, u16 offset) +static u16 __init llc_find_next_offset(struct llc_conn_state *state, u16 offset) { u16 cnt = 0; struct llc_conn_state_trans **next_trans; @@ -578,8 +611,8 @@ void __init llc_build_offset_table(void) next_offset = 0; for (ev_type = 0; ev_type < NBR_CONN_EV; ev_type++) { llc_offset_table[state][ev_type] = next_offset; - next_offset += find_next_offset(curr_state, - next_offset) + 1; + next_offset += llc_find_next_offset(curr_state, + next_offset) + 1; } } } @@ -623,6 +656,7 @@ static int llc_find_offset(int state, int ev_type) */ void llc_sap_add_socket(struct llc_sap *sap, struct sock *sk) { + llc_sap_hold(sap); write_lock_bh(&sap->sk_list.lock); llc_sk(sk)->sap = sap; sk_add_node(sk, &sap->sk_list.list); @@ -642,6 +676,7 @@ void llc_sap_remove_socket(struct llc_sap *sap, struct sock *sk) write_lock_bh(&sap->sk_list.lock); sk_del_node_init(sk); write_unlock_bh(&sap->sk_list.lock); + llc_sap_put(sap); } /** @@ -654,15 +689,34 @@ void llc_sap_remove_socket(struct llc_sap *sap, struct sock *sk) static int llc_conn_rcv(struct sock* sk, struct sk_buff *skb) { struct llc_conn_state_ev *ev = llc_conn_ev(skb); - struct llc_sock *llc = llc_sk(sk); - if (!llc->dev) - llc->dev = skb->dev; ev->type = LLC_CONN_EV_TYPE_PDU; ev->reason = 0; return llc_conn_state_process(sk, skb); } +static struct sock *llc_create_incoming_sock(struct sock *sk, + struct net_device *dev, + struct llc_addr *saddr, + struct llc_addr *daddr) +{ + struct sock *newsk = llc_sk_alloc(sk->sk_family, GFP_ATOMIC, + sk->sk_prot); + struct llc_sock *newllc, *llc = llc_sk(sk); + + if (!newsk) + goto out; + newllc = llc_sk(newsk); + memcpy(&newllc->laddr, daddr, sizeof(newllc->laddr)); + memcpy(&newllc->daddr, saddr, sizeof(newllc->daddr)); + newllc->dev = dev; + dev_hold(dev); + llc_sap_add_socket(llc->sap, newsk); + llc_sap_hold(llc->sap); +out: + return newsk; +} + void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb) { struct llc_addr saddr, daddr; @@ -673,35 +727,35 @@ void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb) llc_pdu_decode_da(skb, daddr.mac); llc_pdu_decode_dsap(skb, &daddr.lsap); - sk = llc_lookup_established(sap, &saddr, &daddr); - if (!sk) { + sk = __llc_lookup(sap, &saddr, &daddr); + if (!sk) + goto drop; + + bh_lock_sock(sk); + /* + * This has to be done here and not at the upper layer ->accept + * method because of the way the PROCOM state machine works: + * it needs to set several state variables (see, for instance, + * llc_adm_actions_2 in net/llc/llc_c_st.c) and send a packet to + * the originator of the new connection, and this state has to be + * in the newly created struct sock private area. -acme + */ + if (unlikely(sk->sk_state == TCP_LISTEN)) { + struct sock *newsk = llc_create_incoming_sock(sk, skb->dev, + &saddr, &daddr); + if (!newsk) + goto drop_unlock; + skb_set_owner_r(skb, newsk); + } else { /* - * Didn't find an active connection; verify if there - * is a listening socket for this llc addr + * Can't be skb_set_owner_r, this will be done at the + * llc_conn_state_process function, later on, when we will use + * skb_queue_rcv_skb to send it to upper layers, this is + * another trick required to cope with how the PROCOM state + * machine works. -acme */ - struct llc_sock *llc; - struct sock *parent = llc_lookup_listener(sap, &daddr); - - if (!parent) { - dprintk("llc_lookup_listener failed!\n"); - goto drop; - } - - sk = llc_sk_alloc(parent->sk_family, GFP_ATOMIC, parent->sk_prot); - if (!sk) { - sock_put(parent); - goto drop; - } - llc = llc_sk(sk); - memcpy(&llc->laddr, &daddr, sizeof(llc->laddr)); - memcpy(&llc->daddr, &saddr, sizeof(llc->daddr)); - llc_sap_add_socket(sap, sk); - sock_hold(sk); - sock_put(parent); - skb->sk = parent; - } else skb->sk = sk; - bh_lock_sock(sk); + } if (!sock_owned_by_user(sk)) llc_conn_rcv(sk, skb); else { @@ -709,11 +763,16 @@ void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb) llc_set_backlog_type(skb, LLC_PACKET); sk_add_backlog(sk, skb); } +out: bh_unlock_sock(sk); sock_put(sk); return; drop: kfree_skb(skb); + return; +drop_unlock: + kfree_skb(skb); + goto out; } #undef LLC_REFCNT_DEBUG @@ -722,32 +781,6 @@ static atomic_t llc_sock_nr; #endif /** - * llc_release_sockets - releases all sockets in a sap - * @sap: sap to release its sockets - * - * Releases all connections of a sap. Returns 0 if all actions complete - * successfully, nonzero otherwise - */ -int llc_release_sockets(struct llc_sap *sap) -{ - int rc = 0; - struct sock *sk; - struct hlist_node *node; - - write_lock_bh(&sap->sk_list.lock); - - sk_for_each(sk, node, &sap->sk_list.list) { - llc_sk(sk)->state = LLC_CONN_STATE_TEMP; - - if (llc_send_disc(sk)) - rc = 1; - } - - write_unlock_bh(&sap->sk_list.lock); - return rc; -} - -/** * llc_backlog_rcv - Processes rx frames and expired timers. * @sk: LLC sock (p8022 connection) * @skb: queued rx frame or event @@ -762,14 +795,14 @@ static int llc_backlog_rcv(struct sock *sk, struct sk_buff *skb) int rc = 0; struct llc_sock *llc = llc_sk(sk); - if (llc_backlog_type(skb) == LLC_PACKET) { - if (llc->state > 1) /* not closed */ + if (likely(llc_backlog_type(skb) == LLC_PACKET)) { + if (likely(llc->state > 1)) /* not closed */ rc = llc_conn_rcv(sk, skb); else goto out_kfree_skb; } else if (llc_backlog_type(skb) == LLC_EVENT) { /* timer expiration event */ - if (llc->state > 1) /* not closed */ + if (likely(llc->state > 1)) /* not closed */ rc = llc_conn_state_process(sk, skb); else goto out_kfree_skb; @@ -799,22 +832,22 @@ static void llc_sk_init(struct sock* sk) llc->dec_step = llc->connect_step = 1; init_timer(&llc->ack_timer.timer); - llc->ack_timer.expire = LLC_ACK_TIME; + llc->ack_timer.expire = sysctl_llc2_ack_timeout; llc->ack_timer.timer.data = (unsigned long)sk; llc->ack_timer.timer.function = llc_conn_ack_tmr_cb; init_timer(&llc->pf_cycle_timer.timer); - llc->pf_cycle_timer.expire = LLC_P_TIME; + llc->pf_cycle_timer.expire = sysctl_llc2_p_timeout; llc->pf_cycle_timer.timer.data = (unsigned long)sk; llc->pf_cycle_timer.timer.function = llc_conn_pf_cycle_tmr_cb; init_timer(&llc->rej_sent_timer.timer); - llc->rej_sent_timer.expire = LLC_REJ_TIME; + llc->rej_sent_timer.expire = sysctl_llc2_rej_timeout; llc->rej_sent_timer.timer.data = (unsigned long)sk; llc->rej_sent_timer.timer.function = llc_conn_rej_tmr_cb; init_timer(&llc->busy_state_timer.timer); - llc->busy_state_timer.expire = LLC_BUSY_TIME; + llc->busy_state_timer.expire = sysctl_llc2_busy_timeout; llc->busy_state_timer.timer.data = (unsigned long)sk; llc->busy_state_timer.timer.function = llc_conn_busy_tmr_cb; @@ -834,7 +867,8 @@ static void llc_sk_init(struct sock* sk) * Allocates a LLC sock and initializes it. Returns the new LLC sock * or %NULL if there's no memory available for one */ -struct sock *llc_sk_alloc(int family, int priority, struct proto *prot) +struct sock *llc_sk_alloc(int family, unsigned int __nocast priority, + struct proto *prot) { struct sock *sk = sk_alloc(family, priority, prot, 1); diff --git a/net/llc/llc_core.c b/net/llc/llc_core.c index 9727455bf0e..ab0fcd32fd8 100644 --- a/net/llc/llc_core.c +++ b/net/llc/llc_core.c @@ -40,6 +40,7 @@ static struct llc_sap *llc_sap_alloc(void) sap->state = LLC_SAP_STATE_ACTIVE; memcpy(sap->laddr.mac, llc_station_mac_sa, ETH_ALEN); rwlock_init(&sap->sk_list.lock); + atomic_set(&sap->refcnt, 1); } return sap; } @@ -52,9 +53,7 @@ static struct llc_sap *llc_sap_alloc(void) */ static void llc_add_sap(struct llc_sap *sap) { - write_lock_bh(&llc_sap_list_lock); list_add_tail(&sap->node, &llc_sap_list); - write_unlock_bh(&llc_sap_list_lock); } /** @@ -70,11 +69,25 @@ static void llc_del_sap(struct llc_sap *sap) write_unlock_bh(&llc_sap_list_lock); } +static struct llc_sap *__llc_sap_find(unsigned char sap_value) +{ + struct llc_sap* sap; + + list_for_each_entry(sap, &llc_sap_list, node) + if (sap->laddr.lsap == sap_value) + goto out; + sap = NULL; +out: + return sap; +} + /** * llc_sap_find - searchs a SAP in station * @sap_value: sap to be found * * Searchs for a sap in the sap list of the LLC's station upon the sap ID. + * If the sap is found it will be refcounted and the user will have to do + * a llc_sap_put after use. * Returns the sap or %NULL if not found. */ struct llc_sap *llc_sap_find(unsigned char sap_value) @@ -82,11 +95,9 @@ struct llc_sap *llc_sap_find(unsigned char sap_value) struct llc_sap* sap; read_lock_bh(&llc_sap_list_lock); - list_for_each_entry(sap, &llc_sap_list, node) - if (sap->laddr.lsap == sap_value) - goto out; - sap = NULL; -out: + sap = __llc_sap_find(sap_value); + if (sap) + llc_sap_hold(sap); read_unlock_bh(&llc_sap_list_lock); return sap; } @@ -106,19 +117,20 @@ struct llc_sap *llc_sap_open(unsigned char lsap, struct packet_type *pt, struct net_device *orig_dev)) { - struct llc_sap *sap = llc_sap_find(lsap); + struct llc_sap *sap = NULL; - if (sap) { /* SAP already exists */ - sap = NULL; + write_lock_bh(&llc_sap_list_lock); + if (__llc_sap_find(lsap)) /* SAP already exists */ goto out; - } sap = llc_sap_alloc(); if (!sap) goto out; sap->laddr.lsap = lsap; sap->rcv_func = func; + llc_sap_hold(sap); llc_add_sap(sap); out: + write_unlock_bh(&llc_sap_list_lock); return sap; } diff --git a/net/llc/llc_if.c b/net/llc/llc_if.c index 0f84f66018e..ba90f7f0801 100644 --- a/net/llc/llc_if.c +++ b/net/llc/llc_if.c @@ -47,14 +47,11 @@ int llc_build_and_send_pkt(struct sock *sk, struct sk_buff *skb) int rc = -ECONNABORTED; struct llc_sock *llc = llc_sk(sk); - if (llc->state == LLC_CONN_STATE_ADM) + if (unlikely(llc->state == LLC_CONN_STATE_ADM)) goto out; rc = -EBUSY; - if (llc_data_accept_state(llc->state)) { /* data_conn_refuse */ - llc->failed_data_req = 1; - goto out; - } - if (llc->p_flag) { + if (unlikely(llc_data_accept_state(llc->state) || /* data_conn_refuse */ + llc->p_flag)) { llc->failed_data_req = 1; goto out; } @@ -110,6 +107,7 @@ int llc_establish_connection(struct sock *sk, u8 *lmac, u8 *dmac, u8 dsap) ev->type = LLC_CONN_EV_TYPE_PRIM; ev->prim = LLC_CONN_PRIM; ev->prim_type = LLC_PRIM_TYPE_REQ; + skb_set_owner_w(skb, sk); rc = llc_conn_state_process(sk, skb); } out_put: @@ -144,6 +142,7 @@ int llc_send_disc(struct sock *sk) skb = alloc_skb(0, GFP_ATOMIC); if (!skb) goto out; + skb_set_owner_w(skb, sk); sk->sk_state = TCP_CLOSING; ev = llc_conn_ev(skb); ev->type = LLC_CONN_EV_TYPE_PRIM; diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c index 13b46240b7a..8f3addf0724 100644 --- a/net/llc/llc_input.c +++ b/net/llc/llc_input.c @@ -99,15 +99,19 @@ out: static inline int llc_fixup_skb(struct sk_buff *skb) { u8 llc_len = 2; - struct llc_pdu_sn *pdu; + struct llc_pdu_un *pdu; - if (!pskb_may_pull(skb, sizeof(*pdu))) + if (unlikely(!pskb_may_pull(skb, sizeof(*pdu)))) return 0; - pdu = (struct llc_pdu_sn *)skb->data; + pdu = (struct llc_pdu_un *)skb->data; if ((pdu->ctrl_1 & LLC_PDU_TYPE_MASK) == LLC_PDU_TYPE_U) llc_len = 1; llc_len += 2; + + if (unlikely(!pskb_may_pull(skb, llc_len))) + return 0; + skb->h.raw += llc_len; skb_pull(skb, llc_len); if (skb->protocol == htons(ETH_P_802_2)) { @@ -166,17 +170,22 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev, */ if (sap->rcv_func) { sap->rcv_func(skb, dev, pt, orig_dev); - goto out; + goto out_put; } dest = llc_pdu_type(skb); if (unlikely(!dest || !llc_type_handlers[dest - 1])) - goto drop; + goto drop_put; llc_type_handlers[dest - 1](sap, skb); +out_put: + llc_sap_put(sap); out: return 0; drop: kfree_skb(skb); goto out; +drop_put: + kfree_skb(skb); + goto out_put; handle_station: if (!llc_station_handler) goto drop; diff --git a/net/llc/llc_output.c b/net/llc/llc_output.c index ab5784cf163..b4d55b6abb6 100644 --- a/net/llc/llc_output.c +++ b/net/llc/llc_output.c @@ -98,7 +98,7 @@ int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb, dsap, LLC_PDU_CMD); llc_pdu_init_as_ui_cmd(skb); rc = llc_mac_hdr_init(skb, skb->dev->dev_addr, dmac); - if (!rc) + if (likely(!rc)) rc = dev_queue_xmit(skb); return rc; } diff --git a/net/llc/llc_proc.c b/net/llc/llc_proc.c index 36e8db3fa1a..bd531cb235a 100644 --- a/net/llc/llc_proc.c +++ b/net/llc/llc_proc.c @@ -134,7 +134,7 @@ static int llc_seq_socket_show(struct seq_file *seq, void *v) llc_ui_format_mac(seq, llc->daddr.mac); seq_printf(seq, "@%02X %8d %8d %2d %3d %4d\n", llc->daddr.lsap, atomic_read(&sk->sk_wmem_alloc), - atomic_read(&sk->sk_rmem_alloc), + atomic_read(&sk->sk_rmem_alloc) - llc->copied_seq, sk->sk_state, sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_uid : -1, llc->link); diff --git a/net/llc/llc_s_ac.c b/net/llc/llc_s_ac.c index ed8ba7de612..bb3580fb8cf 100644 --- a/net/llc/llc_s_ac.c +++ b/net/llc/llc_s_ac.c @@ -58,7 +58,7 @@ int llc_sap_action_send_ui(struct llc_sap *sap, struct sk_buff *skb) ev->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_ui_cmd(skb); rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac); - if (!rc) + if (likely(!rc)) rc = dev_queue_xmit(skb); return rc; } @@ -81,7 +81,7 @@ int llc_sap_action_send_xid_c(struct llc_sap *sap, struct sk_buff *skb) ev->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_xid_cmd(skb, LLC_XID_NULL_CLASS_2, 0); rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac); - if (!rc) + if (likely(!rc)) rc = dev_queue_xmit(skb); return rc; } @@ -103,15 +103,14 @@ int llc_sap_action_send_xid_r(struct llc_sap *sap, struct sk_buff *skb) llc_pdu_decode_sa(skb, mac_da); llc_pdu_decode_da(skb, mac_sa); llc_pdu_decode_ssap(skb, &dsap); - nskb = llc_alloc_frame(); + nskb = llc_alloc_frame(NULL, skb->dev); if (!nskb) goto out; - nskb->dev = skb->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, dsap, LLC_PDU_RSP); llc_pdu_init_as_xid_rsp(nskb, LLC_XID_NULL_CLASS_2, 0); rc = llc_mac_hdr_init(nskb, mac_sa, mac_da); - if (!rc) + if (likely(!rc)) rc = dev_queue_xmit(nskb); out: return rc; @@ -135,7 +134,7 @@ int llc_sap_action_send_test_c(struct llc_sap *sap, struct sk_buff *skb) ev->daddr.lsap, LLC_PDU_CMD); llc_pdu_init_as_test_cmd(skb); rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac); - if (!rc) + if (likely(!rc)) rc = dev_queue_xmit(skb); return rc; } @@ -149,15 +148,14 @@ int llc_sap_action_send_test_r(struct llc_sap *sap, struct sk_buff *skb) llc_pdu_decode_sa(skb, mac_da); llc_pdu_decode_da(skb, mac_sa); llc_pdu_decode_ssap(skb, &dsap); - nskb = llc_alloc_frame(); + nskb = llc_alloc_frame(NULL, skb->dev); if (!nskb) goto out; - nskb->dev = skb->dev; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap, dsap, LLC_PDU_RSP); llc_pdu_init_as_test_rsp(nskb, skb); rc = llc_mac_hdr_init(nskb, mac_sa, mac_da); - if (!rc) + if (likely(!rc)) rc = dev_queue_xmit(nskb); out: return rc; diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c index 34228ef1498..4029ceee9b9 100644 --- a/net/llc/llc_sap.c +++ b/net/llc/llc_sap.c @@ -26,11 +26,12 @@ /** * llc_alloc_frame - allocates sk_buff for frame + * @dev: network device this skb will be sent over * * Allocates an sk_buff for frame and initializes sk_buff fields. * Returns allocated skb or %NULL when out of memory. */ -struct sk_buff *llc_alloc_frame(void) +struct sk_buff *llc_alloc_frame(struct sock *sk, struct net_device *dev) { struct sk_buff *skb = alloc_skb(128, GFP_ATOMIC); @@ -38,18 +39,23 @@ struct sk_buff *llc_alloc_frame(void) skb_reserve(skb, 50); skb->nh.raw = skb->h.raw = skb->data; skb->protocol = htons(ETH_P_802_2); - skb->dev = dev_base->next; + skb->dev = dev; skb->mac.raw = skb->head; + if (sk != NULL) + skb_set_owner_w(skb, sk); } return skb; } -void llc_save_primitive(struct sk_buff* skb, u8 prim) +void llc_save_primitive(struct sock *sk, struct sk_buff* skb, u8 prim) { - struct sockaddr_llc *addr = llc_ui_skb_cb(skb); + struct sockaddr_llc *addr; + if (skb->sk->sk_type == SOCK_STREAM) /* See UNIX98 */ + return; /* save primitive for use by the user. */ - addr->sllc_family = skb->sk->sk_family; + addr = llc_ui_skb_cb(skb); + addr->sllc_family = sk->sk_family; addr->sllc_arphrd = skb->dev->type; addr->sllc_test = prim == LLC_TEST_PRIM; addr->sllc_xid = prim == LLC_XID_PRIM; @@ -189,7 +195,7 @@ static void llc_sap_state_process(struct llc_sap *sap, struct sk_buff *skb) if (skb->sk->sk_state == TCP_LISTEN) kfree_skb(skb); else { - llc_save_primitive(skb, ev->prim); + llc_save_primitive(skb->sk, skb, ev->prim); /* queue skb to the user. */ if (sock_queue_rcv_skb(skb->sk, skb)) @@ -308,7 +314,7 @@ void llc_sap_handler(struct llc_sap *sap, struct sk_buff *skb) sk = llc_lookup_dgram(sap, &laddr); if (sk) { - skb->sk = sk; + skb_set_owner_r(skb, sk); llc_sap_rcv(sap, skb); sock_put(sk); } else diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c index 8fe48a24bad..f37dbf8ef12 100644 --- a/net/llc/llc_station.c +++ b/net/llc/llc_station.c @@ -50,6 +50,10 @@ struct llc_station { struct sk_buff_head mac_pdu_q; }; +#define LLC_STATION_ACK_TIME (3 * HZ) + +int sysctl_llc_station_ack_timeout = LLC_STATION_ACK_TIME; + /* Types of events (possible values in 'ev->type') */ #define LLC_STATION_EV_TYPE_SIMPLE 1 #define LLC_STATION_EV_TYPE_CONDITION 2 @@ -218,7 +222,8 @@ static void llc_station_send_pdu(struct sk_buff *skb) static int llc_station_ac_start_ack_timer(struct sk_buff *skb) { - mod_timer(&llc_main_station.ack_timer, jiffies + LLC_ACK_TIME * HZ); + mod_timer(&llc_main_station.ack_timer, + jiffies + sysctl_llc_station_ack_timeout); return 0; } @@ -249,14 +254,14 @@ static int llc_station_ac_inc_xid_r_cnt_by_1(struct sk_buff *skb) static int llc_station_ac_send_null_dsap_xid_c(struct sk_buff *skb) { int rc = 1; - struct sk_buff *nskb = llc_alloc_frame(); + struct sk_buff *nskb = llc_alloc_frame(NULL, skb->dev); if (!nskb) goto out; llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, 0, LLC_PDU_CMD); llc_pdu_init_as_xid_cmd(nskb, LLC_XID_NULL_CLASS_2, 127); rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, llc_station_mac_sa); - if (rc) + if (unlikely(rc)) goto free; llc_station_send_pdu(nskb); out: @@ -270,18 +275,17 @@ static int llc_station_ac_send_xid_r(struct sk_buff *skb) { u8 mac_da[ETH_ALEN], dsap; int rc = 1; - struct sk_buff* nskb = llc_alloc_frame(); + struct sk_buff* nskb = llc_alloc_frame(NULL, skb->dev); if (!nskb) goto out; rc = 0; - nskb->dev = skb->dev; llc_pdu_decode_sa(skb, mac_da); llc_pdu_decode_ssap(skb, &dsap); llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP); llc_pdu_init_as_xid_rsp(nskb, LLC_XID_NULL_CLASS_2, 127); rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, mac_da); - if (rc) + if (unlikely(rc)) goto free; llc_station_send_pdu(nskb); out: @@ -295,18 +299,17 @@ static int llc_station_ac_send_test_r(struct sk_buff *skb) { u8 mac_da[ETH_ALEN], dsap; int rc = 1; - struct sk_buff *nskb = llc_alloc_frame(); + struct sk_buff *nskb = llc_alloc_frame(NULL, skb->dev); if (!nskb) goto out; rc = 0; - nskb->dev = skb->dev; llc_pdu_decode_sa(skb, mac_da); llc_pdu_decode_ssap(skb, &dsap); llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP); llc_pdu_init_as_test_rsp(nskb, skb); rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, mac_da); - if (rc) + if (unlikely(rc)) goto free; llc_station_send_pdu(nskb); out: @@ -689,7 +692,8 @@ int __init llc_station_init(void) init_timer(&llc_main_station.ack_timer); llc_main_station.ack_timer.data = (unsigned long)&llc_main_station; llc_main_station.ack_timer.function = llc_station_ack_tmr_cb; - + llc_main_station.ack_timer.expires = jiffies + + sysctl_llc_station_ack_timeout; skb = alloc_skb(0, GFP_ATOMIC); if (!skb) goto out; @@ -697,7 +701,6 @@ int __init llc_station_init(void) llc_set_station_handler(llc_station_rcv); ev = llc_station_ev(skb); memset(ev, 0, sizeof(*ev)); - llc_main_station.ack_timer.expires = jiffies + 3 * HZ; llc_main_station.maximum_retry = 1; llc_main_station.state = LLC_STATION_STATE_DOWN; ev->type = LLC_STATION_EV_TYPE_SIMPLE; diff --git a/net/llc/sysctl_net_llc.c b/net/llc/sysctl_net_llc.c new file mode 100644 index 00000000000..d1eaddb1363 --- /dev/null +++ b/net/llc/sysctl_net_llc.c @@ -0,0 +1,131 @@ +/* + * sysctl_net_llc.c: sysctl interface to LLC net subsystem. + * + * Arnaldo Carvalho de Melo <acme@conectiva.com.br> + */ + +#include <linux/config.h> +#include <linux/mm.h> +#include <linux/init.h> +#include <linux/sysctl.h> +#include <net/llc.h> + +#ifndef CONFIG_SYSCTL +#error This file should not be compiled without CONFIG_SYSCTL defined +#endif + +static struct ctl_table llc2_timeout_table[] = { + { + .ctl_name = NET_LLC2_ACK_TIMEOUT, + .procname = "ack", + .data = &sysctl_llc2_ack_timeout, + .maxlen = sizeof(long), + .mode = 0644, + .proc_handler = &proc_dointvec_jiffies, + .strategy = &sysctl_jiffies, + }, + { + .ctl_name = NET_LLC2_BUSY_TIMEOUT, + .procname = "busy", + .data = &sysctl_llc2_busy_timeout, + .maxlen = sizeof(long), + .mode = 0644, + .proc_handler = &proc_dointvec_jiffies, + .strategy = &sysctl_jiffies, + }, + { + .ctl_name = NET_LLC2_P_TIMEOUT, + .procname = "p", + .data = &sysctl_llc2_p_timeout, + .maxlen = sizeof(long), + .mode = 0644, + .proc_handler = &proc_dointvec_jiffies, + .strategy = &sysctl_jiffies, + }, + { + .ctl_name = NET_LLC2_REJ_TIMEOUT, + .procname = "rej", + .data = &sysctl_llc2_rej_timeout, + .maxlen = sizeof(long), + .mode = 0644, + .proc_handler = &proc_dointvec_jiffies, + .strategy = &sysctl_jiffies, + }, + { 0 }, +}; + +static struct ctl_table llc_station_table[] = { + { + .ctl_name = NET_LLC_STATION_ACK_TIMEOUT, + .procname = "ack_timeout", + .data = &sysctl_llc_station_ack_timeout, + .maxlen = sizeof(long), + .mode = 0644, + .proc_handler = &proc_dointvec_jiffies, + .strategy = &sysctl_jiffies, + }, + { 0 }, +}; + +static struct ctl_table llc2_dir_timeout_table[] = { + { + .ctl_name = NET_LLC2, + .procname = "timeout", + .mode = 0555, + .child = llc2_timeout_table, + }, + { 0 }, +}; + +static struct ctl_table llc_table[] = { + { + .ctl_name = NET_LLC2, + .procname = "llc2", + .mode = 0555, + .child = llc2_dir_timeout_table, + }, + { + .ctl_name = NET_LLC_STATION, + .procname = "station", + .mode = 0555, + .child = llc_station_table, + }, + { 0 }, +}; + +static struct ctl_table llc_dir_table[] = { + { + .ctl_name = NET_LLC, + .procname = "llc", + .mode = 0555, + .child = llc_table, + }, + { 0 }, +}; + +static struct ctl_table llc_root_table[] = { + { + .ctl_name = CTL_NET, + .procname = "net", + .mode = 0555, + .child = llc_dir_table, + }, + { 0 }, +}; + +static struct ctl_table_header *llc_table_header; + +int __init llc_sysctl_init(void) +{ + llc_table_header = register_sysctl_table(llc_root_table, 1); + + return llc_table_header ? 0 : -ENOMEM; +} + +void llc_sysctl_exit(void) +{ + if (llc_table_header) { + unregister_sysctl_table(llc_table_header); + llc_table_header = NULL; + } +} diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index ee865d88183..6a67a87384c 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -761,12 +761,6 @@ static int packet_sendmsg(struct kiocb *iocb, struct socket *sock, if (dev->hard_header) { int res; err = -EINVAL; - if (saddr) { - if (saddr->sll_halen != dev->addr_len) - goto out_free; - if (saddr->sll_hatype != dev->type) - goto out_free; - } res = dev->hard_header(skb, dev, ntohs(proto), addr, NULL, len); if (sock->type != SOCK_DGRAM) { skb->tail = skb->data; diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index 5acb1680524..829fdbc4400 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -1472,22 +1472,25 @@ static const char banner[] = KERN_INFO "F6FBB/G4KLX ROSE for Linux. Version 0.62 static int __init rose_proto_init(void) { int i; - int rc = proto_register(&rose_proto, 0); + int rc; + if (rose_ndevs > 0x7FFFFFFF/sizeof(struct net_device *)) { + printk(KERN_ERR "ROSE: rose_proto_init - rose_ndevs parameter to large\n"); + rc = -EINVAL; + goto out; + } + + rc = proto_register(&rose_proto, 0); if (rc != 0) goto out; rose_callsign = null_ax25_address; - if (rose_ndevs > 0x7FFFFFFF/sizeof(struct net_device *)) { - printk(KERN_ERR "ROSE: rose_proto_init - rose_ndevs parameter to large\n"); - return -1; - } - dev_rose = kmalloc(rose_ndevs * sizeof(struct net_device *), GFP_KERNEL); if (dev_rose == NULL) { printk(KERN_ERR "ROSE: rose_proto_init - unable to allocate device structure\n"); - return -1; + rc = -ENOMEM; + goto out_proto_unregister; } memset(dev_rose, 0x00, rose_ndevs * sizeof(struct net_device*)); @@ -1500,10 +1503,12 @@ static int __init rose_proto_init(void) name, rose_setup); if (!dev) { printk(KERN_ERR "ROSE: rose_proto_init - unable to allocate memory\n"); + rc = -ENOMEM; goto fail; } - if (register_netdev(dev)) { - printk(KERN_ERR "ROSE: netdevice regeistration failed\n"); + rc = register_netdev(dev); + if (rc) { + printk(KERN_ERR "ROSE: netdevice registration failed\n"); free_netdev(dev); goto fail; } @@ -1536,8 +1541,9 @@ fail: free_netdev(dev_rose[i]); } kfree(dev_rose); +out_proto_unregister: proto_unregister(&rose_proto); - return -ENOMEM; + goto out; } module_init(rose_proto_init); diff --git a/net/socket.c b/net/socket.c index f9264472377..3145103cdf5 100644 --- a/net/socket.c +++ b/net/socket.c @@ -1145,8 +1145,11 @@ static int __sock_create(int family, int type, int protocol, struct socket **res if (!try_module_get(net_families[family]->owner)) goto out_release; - if ((err = net_families[family]->create(sock, protocol)) < 0) + if ((err = net_families[family]->create(sock, protocol)) < 0) { + sock->ops = NULL; goto out_module_put; + } + /* * Now to bump the refcnt of the [loadable] module that owns this * socket at sock_release time we decrement its refcnt. @@ -1360,16 +1363,16 @@ asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr, int _ newsock->type = sock->type; newsock->ops = sock->ops; - err = security_socket_accept(sock, newsock); - if (err) - goto out_release; - /* * We don't need try_module_get here, as the listening socket (sock) * has the protocol module (sock->ops->owner) held. */ __module_get(newsock->ops->owner); + err = security_socket_accept(sock, newsock); + if (err) + goto out_release; + err = sock->ops->accept(sock, newsock, sock->file->f_flags); if (err < 0) goto out_release; @@ -1700,7 +1703,9 @@ asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags) struct socket *sock; char address[MAX_SOCK_ADDR]; struct iovec iovstack[UIO_FASTIOV], *iov = iovstack; - unsigned char ctl[sizeof(struct cmsghdr) + 20]; /* 20 is size of ipv6_pktinfo */ + unsigned char ctl[sizeof(struct cmsghdr) + 20] + __attribute__ ((aligned (sizeof(__kernel_size_t)))); + /* 20 is size of ipv6_pktinfo */ unsigned char *ctl_buf = ctl; struct msghdr msg_sys; int err, ctl_len, iov_size, total_len; diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index d8ee38aede2..f2ee673329a 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -295,11 +295,13 @@ static int do_pcmcia_entry(const char *filename, { unsigned int i; + id->match_flags = TO_NATIVE(id->match_flags); id->manf_id = TO_NATIVE(id->manf_id); id->card_id = TO_NATIVE(id->card_id); id->func_id = TO_NATIVE(id->func_id); id->function = TO_NATIVE(id->function); id->device_no = TO_NATIVE(id->device_no); + for (i=0; i<4; i++) { id->prod_id_hash[i] = TO_NATIVE(id->prod_id_hash[i]); } diff --git a/security/keys/internal.h b/security/keys/internal.h index 46c8602661c..db99ed434f3 100644 --- a/security/keys/internal.h +++ b/security/keys/internal.h @@ -71,26 +71,26 @@ extern void keyring_publish_name(struct key *keyring); extern int __key_link(struct key *keyring, struct key *key); -extern struct key *__keyring_search_one(struct key *keyring, - const struct key_type *type, - const char *description, - key_perm_t perm); +extern key_ref_t __keyring_search_one(key_ref_t keyring_ref, + const struct key_type *type, + const char *description, + key_perm_t perm); extern struct key *keyring_search_instkey(struct key *keyring, key_serial_t target_id); typedef int (*key_match_func_t)(const struct key *, const void *); -extern struct key *keyring_search_aux(struct key *keyring, - struct task_struct *tsk, - struct key_type *type, - const void *description, - key_match_func_t match); +extern key_ref_t keyring_search_aux(key_ref_t keyring_ref, + struct task_struct *tsk, + struct key_type *type, + const void *description, + key_match_func_t match); -extern struct key *search_process_keyrings(struct key_type *type, - const void *description, - key_match_func_t match, - struct task_struct *tsk); +extern key_ref_t search_process_keyrings(struct key_type *type, + const void *description, + key_match_func_t match, + struct task_struct *tsk); extern struct key *find_keyring_by_name(const char *name, key_serial_t bound); diff --git a/security/keys/key.c b/security/keys/key.c index fb89f984446..2182be9e930 100644 --- a/security/keys/key.c +++ b/security/keys/key.c @@ -693,14 +693,15 @@ void key_type_put(struct key_type *ktype) * - the key has an incremented refcount * - we need to put the key if we get an error */ -static inline struct key *__key_update(struct key *key, const void *payload, - size_t plen) +static inline key_ref_t __key_update(key_ref_t key_ref, + const void *payload, size_t plen) { + struct key *key = key_ref_to_ptr(key_ref); int ret; /* need write permission on the key to update it */ ret = -EACCES; - if (!key_permission(key, KEY_WRITE)) + if (!key_permission(key_ref, KEY_WRITE)) goto error; ret = -EEXIST; @@ -719,12 +720,12 @@ static inline struct key *__key_update(struct key *key, const void *payload, if (ret < 0) goto error; - out: - return key; +out: + return key_ref; - error: +error: key_put(key); - key = ERR_PTR(ret); + key_ref = ERR_PTR(ret); goto out; } /* end __key_update() */ @@ -734,52 +735,56 @@ static inline struct key *__key_update(struct key *key, const void *payload, * search the specified keyring for a key of the same description; if one is * found, update it, otherwise add a new one */ -struct key *key_create_or_update(struct key *keyring, - const char *type, - const char *description, - const void *payload, - size_t plen, - int not_in_quota) +key_ref_t key_create_or_update(key_ref_t keyring_ref, + const char *type, + const char *description, + const void *payload, + size_t plen, + int not_in_quota) { struct key_type *ktype; - struct key *key = NULL; + struct key *keyring, *key = NULL; key_perm_t perm; + key_ref_t key_ref; int ret; - key_check(keyring); - /* look up the key type to see if it's one of the registered kernel * types */ ktype = key_type_lookup(type); if (IS_ERR(ktype)) { - key = ERR_PTR(-ENODEV); + key_ref = ERR_PTR(-ENODEV); goto error; } - ret = -EINVAL; + key_ref = ERR_PTR(-EINVAL); if (!ktype->match || !ktype->instantiate) goto error_2; + keyring = key_ref_to_ptr(keyring_ref); + + key_check(keyring); + + down_write(&keyring->sem); + + /* if we're going to allocate a new key, we're going to have + * to modify the keyring */ + key_ref = ERR_PTR(-EACCES); + if (!key_permission(keyring_ref, KEY_WRITE)) + goto error_3; + /* search for an existing key of the same type and description in the * destination keyring */ - down_write(&keyring->sem); - - key = __keyring_search_one(keyring, ktype, description, 0); - if (!IS_ERR(key)) + key_ref = __keyring_search_one(keyring_ref, ktype, description, 0); + if (!IS_ERR(key_ref)) goto found_matching_key; - /* if we're going to allocate a new key, we're going to have to modify - * the keyring */ - ret = -EACCES; - if (!key_permission(keyring, KEY_WRITE)) - goto error_3; - /* decide on the permissions we want */ - perm = KEY_USR_VIEW | KEY_USR_SEARCH | KEY_USR_LINK; + perm = KEY_POS_VIEW | KEY_POS_SEARCH | KEY_POS_LINK; + perm |= KEY_USR_VIEW | KEY_USR_SEARCH | KEY_USR_LINK; if (ktype->read) - perm |= KEY_USR_READ; + perm |= KEY_POS_READ | KEY_USR_READ; if (ktype == &key_type_keyring || ktype->update) perm |= KEY_USR_WRITE; @@ -788,7 +793,7 @@ struct key *key_create_or_update(struct key *keyring, key = key_alloc(ktype, description, current->fsuid, current->fsgid, perm, not_in_quota); if (IS_ERR(key)) { - ret = PTR_ERR(key); + key_ref = ERR_PTR(PTR_ERR(key)); goto error_3; } @@ -796,15 +801,18 @@ struct key *key_create_or_update(struct key *keyring, ret = __key_instantiate_and_link(key, payload, plen, keyring, NULL); if (ret < 0) { key_put(key); - key = ERR_PTR(ret); + key_ref = ERR_PTR(ret); + goto error_3; } + key_ref = make_key_ref(key, is_key_possessed(keyring_ref)); + error_3: up_write(&keyring->sem); error_2: key_type_put(ktype); error: - return key; + return key_ref; found_matching_key: /* we found a matching key, so we're going to try to update it @@ -813,7 +821,7 @@ struct key *key_create_or_update(struct key *keyring, up_write(&keyring->sem); key_type_put(ktype); - key = __key_update(key, payload, plen); + key_ref = __key_update(key_ref, payload, plen); goto error; } /* end key_create_or_update() */ @@ -824,15 +832,16 @@ EXPORT_SYMBOL(key_create_or_update); /* * update a key */ -int key_update(struct key *key, const void *payload, size_t plen) +int key_update(key_ref_t key_ref, const void *payload, size_t plen) { + struct key *key = key_ref_to_ptr(key_ref); int ret; key_check(key); /* the key must be writable */ ret = -EACCES; - if (!key_permission(key, KEY_WRITE)) + if (!key_permission(key_ref, KEY_WRITE)) goto error; /* attempt to update it if supported */ diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index a6516a64b29..4c670ee6acf 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -34,7 +34,7 @@ asmlinkage long sys_add_key(const char __user *_type, size_t plen, key_serial_t ringid) { - struct key *keyring, *key; + key_ref_t keyring_ref, key_ref; char type[32], *description; void *payload; long dlen, ret; @@ -86,25 +86,25 @@ asmlinkage long sys_add_key(const char __user *_type, } /* find the target keyring (which must be writable) */ - keyring = lookup_user_key(NULL, ringid, 1, 0, KEY_WRITE); - if (IS_ERR(keyring)) { - ret = PTR_ERR(keyring); + keyring_ref = lookup_user_key(NULL, ringid, 1, 0, KEY_WRITE); + if (IS_ERR(keyring_ref)) { + ret = PTR_ERR(keyring_ref); goto error3; } /* create or update the requested key and add it to the target * keyring */ - key = key_create_or_update(keyring, type, description, - payload, plen, 0); - if (!IS_ERR(key)) { - ret = key->serial; - key_put(key); + key_ref = key_create_or_update(keyring_ref, type, description, + payload, plen, 0); + if (!IS_ERR(key_ref)) { + ret = key_ref_to_ptr(key_ref)->serial; + key_ref_put(key_ref); } else { - ret = PTR_ERR(key); + ret = PTR_ERR(key_ref); } - key_put(keyring); + key_ref_put(keyring_ref); error3: kfree(payload); error2: @@ -131,7 +131,8 @@ asmlinkage long sys_request_key(const char __user *_type, key_serial_t destringid) { struct key_type *ktype; - struct key *key, *dest; + struct key *key; + key_ref_t dest_ref; char type[32], *description, *callout_info; long dlen, ret; @@ -187,11 +188,11 @@ asmlinkage long sys_request_key(const char __user *_type, } /* get the destination keyring if specified */ - dest = NULL; + dest_ref = NULL; if (destringid) { - dest = lookup_user_key(NULL, destringid, 1, 0, KEY_WRITE); - if (IS_ERR(dest)) { - ret = PTR_ERR(dest); + dest_ref = lookup_user_key(NULL, destringid, 1, 0, KEY_WRITE); + if (IS_ERR(dest_ref)) { + ret = PTR_ERR(dest_ref); goto error3; } } @@ -204,7 +205,8 @@ asmlinkage long sys_request_key(const char __user *_type, } /* do the search */ - key = request_key_and_link(ktype, description, callout_info, dest); + key = request_key_and_link(ktype, description, callout_info, + key_ref_to_ptr(dest_ref)); if (IS_ERR(key)) { ret = PTR_ERR(key); goto error5; @@ -216,7 +218,7 @@ asmlinkage long sys_request_key(const char __user *_type, error5: key_type_put(ktype); error4: - key_put(dest); + key_ref_put(dest_ref); error3: kfree(callout_info); error2: @@ -234,17 +236,17 @@ asmlinkage long sys_request_key(const char __user *_type, */ long keyctl_get_keyring_ID(key_serial_t id, int create) { - struct key *key; + key_ref_t key_ref; long ret; - key = lookup_user_key(NULL, id, create, 0, KEY_SEARCH); - if (IS_ERR(key)) { - ret = PTR_ERR(key); + key_ref = lookup_user_key(NULL, id, create, 0, KEY_SEARCH); + if (IS_ERR(key_ref)) { + ret = PTR_ERR(key_ref); goto error; } - ret = key->serial; - key_put(key); + ret = key_ref_to_ptr(key_ref)->serial; + key_ref_put(key_ref); error: return ret; @@ -302,7 +304,7 @@ long keyctl_update_key(key_serial_t id, const void __user *_payload, size_t plen) { - struct key *key; + key_ref_t key_ref; void *payload; long ret; @@ -324,16 +326,16 @@ long keyctl_update_key(key_serial_t id, } /* find the target key (which must be writable) */ - key = lookup_user_key(NULL, id, 0, 0, KEY_WRITE); - if (IS_ERR(key)) { - ret = PTR_ERR(key); + key_ref = lookup_user_key(NULL, id, 0, 0, KEY_WRITE); + if (IS_ERR(key_ref)) { + ret = PTR_ERR(key_ref); goto error2; } /* update the key */ - ret = key_update(key, payload, plen); + ret = key_update(key_ref, payload, plen); - key_put(key); + key_ref_put(key_ref); error2: kfree(payload); error: @@ -349,19 +351,19 @@ long keyctl_update_key(key_serial_t id, */ long keyctl_revoke_key(key_serial_t id) { - struct key *key; + key_ref_t key_ref; long ret; - key = lookup_user_key(NULL, id, 0, 0, KEY_WRITE); - if (IS_ERR(key)) { - ret = PTR_ERR(key); + key_ref = lookup_user_key(NULL, id, 0, 0, KEY_WRITE); + if (IS_ERR(key_ref)) { + ret = PTR_ERR(key_ref); goto error; } - key_revoke(key); + key_revoke(key_ref_to_ptr(key_ref)); ret = 0; - key_put(key); + key_ref_put(key_ref); error: return ret; @@ -375,18 +377,18 @@ long keyctl_revoke_key(key_serial_t id) */ long keyctl_keyring_clear(key_serial_t ringid) { - struct key *keyring; + key_ref_t keyring_ref; long ret; - keyring = lookup_user_key(NULL, ringid, 1, 0, KEY_WRITE); - if (IS_ERR(keyring)) { - ret = PTR_ERR(keyring); + keyring_ref = lookup_user_key(NULL, ringid, 1, 0, KEY_WRITE); + if (IS_ERR(keyring_ref)) { + ret = PTR_ERR(keyring_ref); goto error; } - ret = keyring_clear(keyring); + ret = keyring_clear(key_ref_to_ptr(keyring_ref)); - key_put(keyring); + key_ref_put(keyring_ref); error: return ret; @@ -401,26 +403,26 @@ long keyctl_keyring_clear(key_serial_t ringid) */ long keyctl_keyring_link(key_serial_t id, key_serial_t ringid) { - struct key *keyring, *key; + key_ref_t keyring_ref, key_ref; long ret; - keyring = lookup_user_key(NULL, ringid, 1, 0, KEY_WRITE); - if (IS_ERR(keyring)) { - ret = PTR_ERR(keyring); + keyring_ref = lookup_user_key(NULL, ringid, 1, 0, KEY_WRITE); + if (IS_ERR(keyring_ref)) { + ret = PTR_ERR(keyring_ref); goto error; } - key = lookup_user_key(NULL, id, 1, 0, KEY_LINK); - if (IS_ERR(key)) { - ret = PTR_ERR(key); + key_ref = lookup_user_key(NULL, id, 1, 0, KEY_LINK); + if (IS_ERR(key_ref)) { + ret = PTR_ERR(key_ref); goto error2; } - ret = key_link(keyring, key); + ret = key_link(key_ref_to_ptr(keyring_ref), key_ref_to_ptr(key_ref)); - key_put(key); + key_ref_put(key_ref); error2: - key_put(keyring); + key_ref_put(keyring_ref); error: return ret; @@ -435,26 +437,26 @@ long keyctl_keyring_link(key_serial_t id, key_serial_t ringid) */ long keyctl_keyring_unlink(key_serial_t id, key_serial_t ringid) { - struct key *keyring, *key; + key_ref_t keyring_ref, key_ref; long ret; - keyring = lookup_user_key(NULL, ringid, 0, 0, KEY_WRITE); - if (IS_ERR(keyring)) { - ret = PTR_ERR(keyring); + keyring_ref = lookup_user_key(NULL, ringid, 0, 0, KEY_WRITE); + if (IS_ERR(keyring_ref)) { + ret = PTR_ERR(keyring_ref); goto error; } - key = lookup_user_key(NULL, id, 0, 0, 0); - if (IS_ERR(key)) { - ret = PTR_ERR(key); + key_ref = lookup_user_key(NULL, id, 0, 0, 0); + if (IS_ERR(key_ref)) { + ret = PTR_ERR(key_ref); goto error2; } - ret = key_unlink(keyring, key); + ret = key_unlink(key_ref_to_ptr(keyring_ref), key_ref_to_ptr(key_ref)); - key_put(key); + key_ref_put(key_ref); error2: - key_put(keyring); + key_ref_put(keyring_ref); error: return ret; @@ -476,24 +478,26 @@ long keyctl_describe_key(key_serial_t keyid, size_t buflen) { struct key *key, *instkey; + key_ref_t key_ref; char *tmpbuf; long ret; - key = lookup_user_key(NULL, keyid, 0, 1, KEY_VIEW); - if (IS_ERR(key)) { + key_ref = lookup_user_key(NULL, keyid, 0, 1, KEY_VIEW); + if (IS_ERR(key_ref)) { /* viewing a key under construction is permitted if we have the * authorisation token handy */ - if (PTR_ERR(key) == -EACCES) { + if (PTR_ERR(key_ref) == -EACCES) { instkey = key_get_instantiation_authkey(keyid); if (!IS_ERR(instkey)) { key_put(instkey); - key = lookup_user_key(NULL, keyid, 0, 1, 0); - if (!IS_ERR(key)) + key_ref = lookup_user_key(NULL, keyid, + 0, 1, 0); + if (!IS_ERR(key_ref)) goto okay; } } - ret = PTR_ERR(key); + ret = PTR_ERR(key_ref); goto error; } @@ -504,13 +508,16 @@ okay: if (!tmpbuf) goto error2; + key = key_ref_to_ptr(key_ref); + ret = snprintf(tmpbuf, PAGE_SIZE - 1, - "%s;%d;%d;%06x;%s", - key->type->name, - key->uid, - key->gid, - key->perm, - key->description ? key->description :"" + "%s;%d;%d;%08x;%s", + key_ref_to_ptr(key_ref)->type->name, + key_ref_to_ptr(key_ref)->uid, + key_ref_to_ptr(key_ref)->gid, + key_ref_to_ptr(key_ref)->perm, + key_ref_to_ptr(key_ref)->description ? + key_ref_to_ptr(key_ref)->description : "" ); /* include a NUL char at the end of the data */ @@ -530,7 +537,7 @@ okay: kfree(tmpbuf); error2: - key_put(key); + key_ref_put(key_ref); error: return ret; @@ -552,7 +559,7 @@ long keyctl_keyring_search(key_serial_t ringid, key_serial_t destringid) { struct key_type *ktype; - struct key *keyring, *key, *dest; + key_ref_t keyring_ref, key_ref, dest_ref; char type[32], *description; long dlen, ret; @@ -581,18 +588,18 @@ long keyctl_keyring_search(key_serial_t ringid, goto error2; /* get the keyring at which to begin the search */ - keyring = lookup_user_key(NULL, ringid, 0, 0, KEY_SEARCH); - if (IS_ERR(keyring)) { - ret = PTR_ERR(keyring); + keyring_ref = lookup_user_key(NULL, ringid, 0, 0, KEY_SEARCH); + if (IS_ERR(keyring_ref)) { + ret = PTR_ERR(keyring_ref); goto error2; } /* get the destination keyring if specified */ - dest = NULL; + dest_ref = NULL; if (destringid) { - dest = lookup_user_key(NULL, destringid, 1, 0, KEY_WRITE); - if (IS_ERR(dest)) { - ret = PTR_ERR(dest); + dest_ref = lookup_user_key(NULL, destringid, 1, 0, KEY_WRITE); + if (IS_ERR(dest_ref)) { + ret = PTR_ERR(dest_ref); goto error3; } } @@ -605,9 +612,9 @@ long keyctl_keyring_search(key_serial_t ringid, } /* do the search */ - key = keyring_search(keyring, ktype, description); - if (IS_ERR(key)) { - ret = PTR_ERR(key); + key_ref = keyring_search(keyring_ref, ktype, description); + if (IS_ERR(key_ref)) { + ret = PTR_ERR(key_ref); /* treat lack or presence of a negative key the same */ if (ret == -EAGAIN) @@ -616,26 +623,26 @@ long keyctl_keyring_search(key_serial_t ringid, } /* link the resulting key to the destination keyring if we can */ - if (dest) { + if (dest_ref) { ret = -EACCES; - if (!key_permission(key, KEY_LINK)) + if (!key_permission(key_ref, KEY_LINK)) goto error6; - ret = key_link(dest, key); + ret = key_link(key_ref_to_ptr(dest_ref), key_ref_to_ptr(key_ref)); if (ret < 0) goto error6; } - ret = key->serial; + ret = key_ref_to_ptr(key_ref)->serial; error6: - key_put(key); + key_ref_put(key_ref); error5: key_type_put(ktype); error4: - key_put(dest); + key_ref_put(dest_ref); error3: - key_put(keyring); + key_ref_put(keyring_ref); error2: kfree(description); error: @@ -645,16 +652,6 @@ long keyctl_keyring_search(key_serial_t ringid, /*****************************************************************************/ /* - * see if the key we're looking at is the target key - */ -static int keyctl_read_key_same(const struct key *key, const void *target) -{ - return key == target; - -} /* end keyctl_read_key_same() */ - -/*****************************************************************************/ -/* * read a user key's payload * - the keyring must be readable or the key must be searchable from the * process's keyrings @@ -665,38 +662,33 @@ static int keyctl_read_key_same(const struct key *key, const void *target) */ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen) { - struct key *key, *skey; + struct key *key; + key_ref_t key_ref; long ret; /* find the key first */ - key = lookup_user_key(NULL, keyid, 0, 0, 0); - if (!IS_ERR(key)) { - /* see if we can read it directly */ - if (key_permission(key, KEY_READ)) - goto can_read_key; - - /* we can't; see if it's searchable from this process's - * keyrings - * - we automatically take account of the fact that it may be - * dangling off an instantiation key - */ - skey = search_process_keyrings(key->type, key, - keyctl_read_key_same, current); - if (!IS_ERR(skey)) - goto can_read_key2; - - ret = PTR_ERR(skey); - if (ret == -EAGAIN) - ret = -EACCES; - goto error2; + key_ref = lookup_user_key(NULL, keyid, 0, 0, 0); + if (IS_ERR(key_ref)) { + ret = -ENOKEY; + goto error; } - ret = -ENOKEY; - goto error; + key = key_ref_to_ptr(key_ref); + + /* see if we can read it directly */ + if (key_permission(key_ref, KEY_READ)) + goto can_read_key; + + /* we can't; see if it's searchable from this process's keyrings + * - we automatically take account of the fact that it may be + * dangling off an instantiation key + */ + if (!is_key_possessed(key_ref)) { + ret = -EACCES; + goto error2; + } /* the key is probably readable - now try to read it */ - can_read_key2: - key_put(skey); can_read_key: ret = key_validate(key); if (ret == 0) { @@ -727,18 +719,21 @@ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen) long keyctl_chown_key(key_serial_t id, uid_t uid, gid_t gid) { struct key *key; + key_ref_t key_ref; long ret; ret = 0; if (uid == (uid_t) -1 && gid == (gid_t) -1) goto error; - key = lookup_user_key(NULL, id, 1, 1, 0); - if (IS_ERR(key)) { - ret = PTR_ERR(key); + key_ref = lookup_user_key(NULL, id, 1, 1, 0); + if (IS_ERR(key_ref)) { + ret = PTR_ERR(key_ref); goto error; } + key = key_ref_to_ptr(key_ref); + /* make the changes with the locks held to prevent chown/chown races */ ret = -EACCES; down_write(&key->sem); @@ -784,18 +779,21 @@ long keyctl_chown_key(key_serial_t id, uid_t uid, gid_t gid) long keyctl_setperm_key(key_serial_t id, key_perm_t perm) { struct key *key; + key_ref_t key_ref; long ret; ret = -EINVAL; - if (perm & ~(KEY_USR_ALL | KEY_GRP_ALL | KEY_OTH_ALL)) + if (perm & ~(KEY_POS_ALL | KEY_USR_ALL | KEY_GRP_ALL | KEY_OTH_ALL)) goto error; - key = lookup_user_key(NULL, id, 1, 1, 0); - if (IS_ERR(key)) { - ret = PTR_ERR(key); + key_ref = lookup_user_key(NULL, id, 1, 1, 0); + if (IS_ERR(key_ref)) { + ret = PTR_ERR(key_ref); goto error; } + key = key_ref_to_ptr(key_ref); + /* make the changes with the locks held to prevent chown/chmod races */ ret = -EACCES; down_write(&key->sem); @@ -824,7 +822,8 @@ long keyctl_instantiate_key(key_serial_t id, key_serial_t ringid) { struct request_key_auth *rka; - struct key *instkey, *keyring; + struct key *instkey; + key_ref_t keyring_ref; void *payload; long ret; @@ -857,21 +856,21 @@ long keyctl_instantiate_key(key_serial_t id, /* find the destination keyring amongst those belonging to the * requesting task */ - keyring = NULL; + keyring_ref = NULL; if (ringid) { - keyring = lookup_user_key(rka->context, ringid, 1, 0, - KEY_WRITE); - if (IS_ERR(keyring)) { - ret = PTR_ERR(keyring); + keyring_ref = lookup_user_key(rka->context, ringid, 1, 0, + KEY_WRITE); + if (IS_ERR(keyring_ref)) { + ret = PTR_ERR(keyring_ref); goto error3; } } /* instantiate the key and link it into a keyring */ ret = key_instantiate_and_link(rka->target_key, payload, plen, - keyring, instkey); + key_ref_to_ptr(keyring_ref), instkey); - key_put(keyring); + key_ref_put(keyring_ref); error3: key_put(instkey); error2: @@ -889,7 +888,8 @@ long keyctl_instantiate_key(key_serial_t id, long keyctl_negate_key(key_serial_t id, unsigned timeout, key_serial_t ringid) { struct request_key_auth *rka; - struct key *instkey, *keyring; + struct key *instkey; + key_ref_t keyring_ref; long ret; /* find the instantiation authorisation key */ @@ -903,19 +903,20 @@ long keyctl_negate_key(key_serial_t id, unsigned timeout, key_serial_t ringid) /* find the destination keyring if present (which must also be * writable) */ - keyring = NULL; + keyring_ref = NULL; if (ringid) { - keyring = lookup_user_key(NULL, ringid, 1, 0, KEY_WRITE); - if (IS_ERR(keyring)) { - ret = PTR_ERR(keyring); + keyring_ref = lookup_user_key(NULL, ringid, 1, 0, KEY_WRITE); + if (IS_ERR(keyring_ref)) { + ret = PTR_ERR(keyring_ref); goto error2; } } /* instantiate the key and link it into a keyring */ - ret = key_negate_and_link(rka->target_key, timeout, keyring, instkey); + ret = key_negate_and_link(rka->target_key, timeout, + key_ref_to_ptr(keyring_ref), instkey); - key_put(keyring); + key_ref_put(keyring_ref); error2: key_put(instkey); error: diff --git a/security/keys/keyring.c b/security/keys/keyring.c index 9c208c756df..0639396dd44 100644 --- a/security/keys/keyring.c +++ b/security/keys/keyring.c @@ -309,7 +309,7 @@ struct key *keyring_alloc(const char *description, uid_t uid, gid_t gid, int ret; keyring = key_alloc(&key_type_keyring, description, - uid, gid, KEY_USR_ALL, not_in_quota); + uid, gid, KEY_POS_ALL | KEY_USR_ALL, not_in_quota); if (!IS_ERR(keyring)) { ret = key_instantiate_and_link(keyring, NULL, 0, dest, NULL); @@ -333,12 +333,13 @@ struct key *keyring_alloc(const char *description, uid_t uid, gid_t gid, * - we rely on RCU to prevent the keyring lists from disappearing on us * - we return -EAGAIN if we didn't find any matching key * - we return -ENOKEY if we only found negative matching keys + * - we propagate the possession attribute from the keyring ref to the key ref */ -struct key *keyring_search_aux(struct key *keyring, - struct task_struct *context, - struct key_type *type, - const void *description, - key_match_func_t match) +key_ref_t keyring_search_aux(key_ref_t keyring_ref, + struct task_struct *context, + struct key_type *type, + const void *description, + key_match_func_t match) { struct { struct keyring_list *keylist; @@ -347,29 +348,33 @@ struct key *keyring_search_aux(struct key *keyring, struct keyring_list *keylist; struct timespec now; - struct key *key; + unsigned long possessed; + struct key *keyring, *key; + key_ref_t key_ref; long err; int sp, kix; + keyring = key_ref_to_ptr(keyring_ref); + possessed = is_key_possessed(keyring_ref); key_check(keyring); - rcu_read_lock(); - /* top keyring must have search permission to begin the search */ - key = ERR_PTR(-EACCES); - if (!key_task_permission(keyring, context, KEY_SEARCH)) + key_ref = ERR_PTR(-EACCES); + if (!key_task_permission(keyring_ref, context, KEY_SEARCH)) goto error; - key = ERR_PTR(-ENOTDIR); + key_ref = ERR_PTR(-ENOTDIR); if (keyring->type != &key_type_keyring) goto error; + rcu_read_lock(); + now = current_kernel_time(); err = -EAGAIN; sp = 0; /* start processing a new keyring */ - descend: +descend: if (test_bit(KEY_FLAG_REVOKED, &keyring->flags)) goto not_this_keyring; @@ -397,7 +402,8 @@ struct key *keyring_search_aux(struct key *keyring, continue; /* key must have search permissions */ - if (!key_task_permission(key, context, KEY_SEARCH)) + if (!key_task_permission(make_key_ref(key, possessed), + context, KEY_SEARCH)) continue; /* we set a different error code if we find a negative key */ @@ -411,7 +417,7 @@ struct key *keyring_search_aux(struct key *keyring, /* search through the keyrings nested in this one */ kix = 0; - ascend: +ascend: for (; kix < keylist->nkeys; kix++) { key = keylist->keys[kix]; if (key->type != &key_type_keyring) @@ -423,7 +429,8 @@ struct key *keyring_search_aux(struct key *keyring, if (sp >= KEYRING_SEARCH_MAX_DEPTH) continue; - if (!key_task_permission(key, context, KEY_SEARCH)) + if (!key_task_permission(make_key_ref(key, possessed), + context, KEY_SEARCH)) continue; /* stack the current position */ @@ -438,7 +445,7 @@ struct key *keyring_search_aux(struct key *keyring, /* the keyring we're looking at was disqualified or didn't contain a * matching key */ - not_this_keyring: +not_this_keyring: if (sp > 0) { /* resume the processing of a keyring higher up in the tree */ sp--; @@ -447,16 +454,18 @@ struct key *keyring_search_aux(struct key *keyring, goto ascend; } - key = ERR_PTR(err); - goto error; + key_ref = ERR_PTR(err); + goto error_2; /* we found a viable match */ - found: +found: atomic_inc(&key->usage); key_check(key); - error: + key_ref = make_key_ref(key, possessed); +error_2: rcu_read_unlock(); - return key; +error: + return key_ref; } /* end keyring_search_aux() */ @@ -469,9 +478,9 @@ struct key *keyring_search_aux(struct key *keyring, * - we return -EAGAIN if we didn't find any matching key * - we return -ENOKEY if we only found negative matching keys */ -struct key *keyring_search(struct key *keyring, - struct key_type *type, - const char *description) +key_ref_t keyring_search(key_ref_t keyring, + struct key_type *type, + const char *description) { if (!type->match) return ERR_PTR(-ENOKEY); @@ -488,15 +497,19 @@ EXPORT_SYMBOL(keyring_search); * search the given keyring only (no recursion) * - keyring must be locked by caller */ -struct key *__keyring_search_one(struct key *keyring, - const struct key_type *ktype, - const char *description, - key_perm_t perm) +key_ref_t __keyring_search_one(key_ref_t keyring_ref, + const struct key_type *ktype, + const char *description, + key_perm_t perm) { struct keyring_list *klist; - struct key *key; + unsigned long possessed; + struct key *keyring, *key; int loop; + keyring = key_ref_to_ptr(keyring_ref); + possessed = is_key_possessed(keyring_ref); + rcu_read_lock(); klist = rcu_dereference(keyring->payload.subscriptions); @@ -507,21 +520,21 @@ struct key *__keyring_search_one(struct key *keyring, if (key->type == ktype && (!key->type->match || key->type->match(key, description)) && - key_permission(key, perm) && + key_permission(make_key_ref(key, possessed), + perm) && !test_bit(KEY_FLAG_REVOKED, &key->flags) ) goto found; } } - key = ERR_PTR(-ENOKEY); - goto error; + rcu_read_unlock(); + return ERR_PTR(-ENOKEY); found: atomic_inc(&key->usage); - error: rcu_read_unlock(); - return key; + return make_key_ref(key, possessed); } /* end __keyring_search_one() */ @@ -603,7 +616,8 @@ struct key *find_keyring_by_name(const char *name, key_serial_t bound) if (strcmp(keyring->description, name) != 0) continue; - if (!key_permission(keyring, KEY_SEARCH)) + if (!key_permission(make_key_ref(keyring, 0), + KEY_SEARCH)) continue; /* found a potential candidate, but we still need to diff --git a/security/keys/proc.c b/security/keys/proc.c index c55cf1fd082..12b750e51fb 100644 --- a/security/keys/proc.c +++ b/security/keys/proc.c @@ -167,7 +167,7 @@ static int proc_keys_show(struct seq_file *m, void *v) #define showflag(KEY, LETTER, FLAG) \ (test_bit(FLAG, &(KEY)->flags) ? LETTER : '-') - seq_printf(m, "%08x %c%c%c%c%c%c %5d %4s %06x %5d %5d %-9.9s ", + seq_printf(m, "%08x %c%c%c%c%c%c %5d %4s %08x %5d %5d %-9.9s ", key->serial, showflag(key, 'I', KEY_FLAG_INSTANTIATED), showflag(key, 'R', KEY_FLAG_REVOKED), diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c index c089f78fb94..d42d2158ce1 100644 --- a/security/keys/process_keys.c +++ b/security/keys/process_keys.c @@ -39,7 +39,7 @@ struct key root_user_keyring = { .type = &key_type_keyring, .user = &root_key_user, .sem = __RWSEM_INITIALIZER(root_user_keyring.sem), - .perm = KEY_USR_ALL, + .perm = KEY_POS_ALL | KEY_USR_ALL, .flags = 1 << KEY_FLAG_INSTANTIATED, .description = "_uid.0", #ifdef KEY_DEBUGGING @@ -54,7 +54,7 @@ struct key root_session_keyring = { .type = &key_type_keyring, .user = &root_key_user, .sem = __RWSEM_INITIALIZER(root_session_keyring.sem), - .perm = KEY_USR_ALL, + .perm = KEY_POS_ALL | KEY_USR_ALL, .flags = 1 << KEY_FLAG_INSTANTIATED, .description = "_uid_ses.0", #ifdef KEY_DEBUGGING @@ -98,7 +98,7 @@ int alloc_uid_keyring(struct user_struct *user) user->session_keyring = session_keyring; ret = 0; - error: +error: return ret; } /* end alloc_uid_keyring() */ @@ -156,7 +156,7 @@ int install_thread_keyring(struct task_struct *tsk) ret = 0; key_put(old); - error: +error: return ret; } /* end install_thread_keyring() */ @@ -193,7 +193,7 @@ int install_process_keyring(struct task_struct *tsk) } ret = 0; - error: +error: return ret; } /* end install_process_keyring() */ @@ -236,7 +236,7 @@ static int install_session_keyring(struct task_struct *tsk, /* we're using RCU on the pointer */ synchronize_rcu(); key_put(old); - error: +error: return ret; } /* end install_session_keyring() */ @@ -376,13 +376,13 @@ void key_fsgid_changed(struct task_struct *tsk) * - we return -EAGAIN if we didn't find any matching key * - we return -ENOKEY if we found only negative matching keys */ -struct key *search_process_keyrings(struct key_type *type, - const void *description, - key_match_func_t match, - struct task_struct *context) +key_ref_t search_process_keyrings(struct key_type *type, + const void *description, + key_match_func_t match, + struct task_struct *context) { struct request_key_auth *rka; - struct key *key, *ret, *err, *instkey; + key_ref_t key_ref, ret, err, instkey_ref; /* we want to return -EAGAIN or -ENOKEY if any of the keyrings were * searchable, but we failed to find a key or we found a negative key; @@ -391,46 +391,48 @@ struct key *search_process_keyrings(struct key_type *type, * * in terms of priority: success > -ENOKEY > -EAGAIN > other error */ - key = NULL; + key_ref = NULL; ret = NULL; err = ERR_PTR(-EAGAIN); /* search the thread keyring first */ if (context->thread_keyring) { - key = keyring_search_aux(context->thread_keyring, - context, type, description, match); - if (!IS_ERR(key)) + key_ref = keyring_search_aux( + make_key_ref(context->thread_keyring, 1), + context, type, description, match); + if (!IS_ERR(key_ref)) goto found; - switch (PTR_ERR(key)) { + switch (PTR_ERR(key_ref)) { case -EAGAIN: /* no key */ if (ret) break; case -ENOKEY: /* negative key */ - ret = key; + ret = key_ref; break; default: - err = key; + err = key_ref; break; } } /* search the process keyring second */ if (context->signal->process_keyring) { - key = keyring_search_aux(context->signal->process_keyring, - context, type, description, match); - if (!IS_ERR(key)) + key_ref = keyring_search_aux( + make_key_ref(context->signal->process_keyring, 1), + context, type, description, match); + if (!IS_ERR(key_ref)) goto found; - switch (PTR_ERR(key)) { + switch (PTR_ERR(key_ref)) { case -EAGAIN: /* no key */ if (ret) break; case -ENOKEY: /* negative key */ - ret = key; + ret = key_ref; break; default: - err = key; + err = key_ref; break; } } @@ -438,23 +440,25 @@ struct key *search_process_keyrings(struct key_type *type, /* search the session keyring */ if (context->signal->session_keyring) { rcu_read_lock(); - key = keyring_search_aux( - rcu_dereference(context->signal->session_keyring), + key_ref = keyring_search_aux( + make_key_ref(rcu_dereference( + context->signal->session_keyring), + 1), context, type, description, match); rcu_read_unlock(); - if (!IS_ERR(key)) + if (!IS_ERR(key_ref)) goto found; - switch (PTR_ERR(key)) { + switch (PTR_ERR(key_ref)) { case -EAGAIN: /* no key */ if (ret) break; case -ENOKEY: /* negative key */ - ret = key; + ret = key_ref; break; default: - err = key; + err = key_ref; break; } @@ -465,51 +469,54 @@ struct key *search_process_keyrings(struct key_type *type, goto no_key; rcu_read_lock(); - instkey = __keyring_search_one( - rcu_dereference(context->signal->session_keyring), + instkey_ref = __keyring_search_one( + make_key_ref(rcu_dereference( + context->signal->session_keyring), + 1), &key_type_request_key_auth, NULL, 0); rcu_read_unlock(); - if (IS_ERR(instkey)) + if (IS_ERR(instkey_ref)) goto no_key; - rka = instkey->payload.data; + rka = key_ref_to_ptr(instkey_ref)->payload.data; - key = search_process_keyrings(type, description, match, - rka->context); - key_put(instkey); + key_ref = search_process_keyrings(type, description, match, + rka->context); + key_ref_put(instkey_ref); - if (!IS_ERR(key)) + if (!IS_ERR(key_ref)) goto found; - switch (PTR_ERR(key)) { + switch (PTR_ERR(key_ref)) { case -EAGAIN: /* no key */ if (ret) break; case -ENOKEY: /* negative key */ - ret = key; + ret = key_ref; break; default: - err = key; + err = key_ref; break; } } /* or search the user-session keyring */ else { - key = keyring_search_aux(context->user->session_keyring, - context, type, description, match); - if (!IS_ERR(key)) + key_ref = keyring_search_aux( + make_key_ref(context->user->session_keyring, 1), + context, type, description, match); + if (!IS_ERR(key_ref)) goto found; - switch (PTR_ERR(key)) { + switch (PTR_ERR(key_ref)) { case -EAGAIN: /* no key */ if (ret) break; case -ENOKEY: /* negative key */ - ret = key; + ret = key_ref; break; default: - err = key; + err = key_ref; break; } } @@ -517,29 +524,40 @@ struct key *search_process_keyrings(struct key_type *type, no_key: /* no key - decide on the error we're going to go for */ - key = ret ? ret : err; + key_ref = ret ? ret : err; found: - return key; + return key_ref; } /* end search_process_keyrings() */ /*****************************************************************************/ /* + * see if the key we're looking at is the target key + */ +static int lookup_user_key_possessed(const struct key *key, const void *target) +{ + return key == target; + +} /* end lookup_user_key_possessed() */ + +/*****************************************************************************/ +/* * lookup a key given a key ID from userspace with a given permissions mask * - don't create special keyrings unless so requested * - partially constructed keys aren't found unless requested */ -struct key *lookup_user_key(struct task_struct *context, key_serial_t id, - int create, int partial, key_perm_t perm) +key_ref_t lookup_user_key(struct task_struct *context, key_serial_t id, + int create, int partial, key_perm_t perm) { + key_ref_t key_ref, skey_ref; struct key *key; int ret; if (!context) context = current; - key = ERR_PTR(-ENOKEY); + key_ref = ERR_PTR(-ENOKEY); switch (id) { case KEY_SPEC_THREAD_KEYRING: @@ -556,6 +574,7 @@ struct key *lookup_user_key(struct task_struct *context, key_serial_t id, key = context->thread_keyring; atomic_inc(&key->usage); + key_ref = make_key_ref(key, 1); break; case KEY_SPEC_PROCESS_KEYRING: @@ -572,6 +591,7 @@ struct key *lookup_user_key(struct task_struct *context, key_serial_t id, key = context->signal->process_keyring; atomic_inc(&key->usage); + key_ref = make_key_ref(key, 1); break; case KEY_SPEC_SESSION_KEYRING: @@ -579,7 +599,7 @@ struct key *lookup_user_key(struct task_struct *context, key_serial_t id, /* always install a session keyring upon access if one * doesn't exist yet */ ret = install_session_keyring( - context, context->user->session_keyring); + context, context->user->session_keyring); if (ret < 0) goto error; } @@ -588,16 +608,19 @@ struct key *lookup_user_key(struct task_struct *context, key_serial_t id, key = rcu_dereference(context->signal->session_keyring); atomic_inc(&key->usage); rcu_read_unlock(); + key_ref = make_key_ref(key, 1); break; case KEY_SPEC_USER_KEYRING: key = context->user->uid_keyring; atomic_inc(&key->usage); + key_ref = make_key_ref(key, 1); break; case KEY_SPEC_USER_SESSION_KEYRING: key = context->user->session_keyring; atomic_inc(&key->usage); + key_ref = make_key_ref(key, 1); break; case KEY_SPEC_GROUP_KEYRING: @@ -606,13 +629,28 @@ struct key *lookup_user_key(struct task_struct *context, key_serial_t id, goto error; default: - key = ERR_PTR(-EINVAL); + key_ref = ERR_PTR(-EINVAL); if (id < 1) goto error; key = key_lookup(id); - if (IS_ERR(key)) + if (IS_ERR(key)) { + key_ref = ERR_PTR(PTR_ERR(key)); goto error; + } + + key_ref = make_key_ref(key, 0); + + /* check to see if we possess the key */ + skey_ref = search_process_keyrings(key->type, key, + lookup_user_key_possessed, + current); + + if (!IS_ERR(skey_ref)) { + key_put(key); + key_ref = skey_ref; + } + break; } @@ -630,15 +668,15 @@ struct key *lookup_user_key(struct task_struct *context, key_serial_t id, /* check the permissions */ ret = -EACCES; - if (!key_task_permission(key, context, perm)) + if (!key_task_permission(key_ref, context, perm)) goto invalid_key; - error: - return key; +error: + return key_ref; - invalid_key: - key_put(key); - key = ERR_PTR(ret); +invalid_key: + key_ref_put(key_ref); + key_ref = ERR_PTR(ret); goto error; } /* end lookup_user_key() */ @@ -694,9 +732,9 @@ long join_session_keyring(const char *name) ret = keyring->serial; key_put(keyring); - error2: +error2: up(&key_session_sem); - error: +error: return ret; } /* end join_session_keyring() */ diff --git a/security/keys/request_key.c b/security/keys/request_key.c index 90c1506d007..e6dd366d43a 100644 --- a/security/keys/request_key.c +++ b/security/keys/request_key.c @@ -129,7 +129,7 @@ static struct key *__request_key_construction(struct key_type *type, /* create a key and add it to the queue */ key = key_alloc(type, description, - current->fsuid, current->fsgid, KEY_USR_ALL, 0); + current->fsuid, current->fsgid, KEY_POS_ALL, 0); if (IS_ERR(key)) goto alloc_failed; @@ -365,14 +365,24 @@ struct key *request_key_and_link(struct key_type *type, { struct key_user *user; struct key *key; + key_ref_t key_ref; kenter("%s,%s,%s,%p", type->name, description, callout_info, dest_keyring); /* search all the process keyrings for a key */ - key = search_process_keyrings(type, description, type->match, current); + key_ref = search_process_keyrings(type, description, type->match, + current); - if (PTR_ERR(key) == -EAGAIN) { + kdebug("search 1: %p", key_ref); + + if (!IS_ERR(key_ref)) { + key = key_ref_to_ptr(key_ref); + } + else if (PTR_ERR(key_ref) != -EAGAIN) { + key = ERR_PTR(PTR_ERR(key_ref)); + } + else { /* the search failed, but the keyrings were searchable, so we * should consult userspace if we can */ key = ERR_PTR(-ENOKEY); @@ -384,7 +394,7 @@ struct key *request_key_and_link(struct key_type *type, if (!user) goto nomem; - do { + for (;;) { if (signal_pending(current)) goto interrupted; @@ -397,10 +407,22 @@ struct key *request_key_and_link(struct key_type *type, /* someone else made the key we want, so we need to * search again as it might now be available to us */ - key = search_process_keyrings(type, description, - type->match, current); + key_ref = search_process_keyrings(type, description, + type->match, + current); + + kdebug("search 2: %p", key_ref); - } while (PTR_ERR(key) == -EAGAIN); + if (!IS_ERR(key_ref)) { + key = key_ref_to_ptr(key_ref); + break; + } + + if (PTR_ERR(key_ref) != -EAGAIN) { + key = ERR_PTR(PTR_ERR(key_ref)); + break; + } + } key_user_put(user); diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c index f2226463222..1ecd3d3fa9f 100644 --- a/security/keys/request_key_auth.c +++ b/security/keys/request_key_auth.c @@ -126,7 +126,7 @@ struct key *request_key_auth_new(struct key *target, struct key **_rkakey) rkakey = key_alloc(&key_type_request_key_auth, desc, current->fsuid, current->fsgid, - KEY_USR_VIEW, 1); + KEY_POS_VIEW | KEY_USR_VIEW, 1); if (IS_ERR(rkakey)) { key_put(keyring); kleave("= %ld", PTR_ERR(rkakey)); diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 6e4937fe062..b13be15165f 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -630,6 +630,16 @@ static inline u16 inode_mode_to_security_class(umode_t mode) return SECCLASS_FILE; } +static inline int default_protocol_stream(int protocol) +{ + return (protocol == IPPROTO_IP || protocol == IPPROTO_TCP); +} + +static inline int default_protocol_dgram(int protocol) +{ + return (protocol == IPPROTO_IP || protocol == IPPROTO_UDP); +} + static inline u16 socket_type_to_security_class(int family, int type, int protocol) { switch (family) { @@ -646,10 +656,16 @@ static inline u16 socket_type_to_security_class(int family, int type, int protoc case PF_INET6: switch (type) { case SOCK_STREAM: - return SECCLASS_TCP_SOCKET; + if (default_protocol_stream(protocol)) + return SECCLASS_TCP_SOCKET; + else + return SECCLASS_RAWIP_SOCKET; case SOCK_DGRAM: - return SECCLASS_UDP_SOCKET; - case SOCK_RAW: + if (default_protocol_dgram(protocol)) + return SECCLASS_UDP_SOCKET; + else + return SECCLASS_RAWIP_SOCKET; + default: return SECCLASS_RAWIP_SOCKET; } break; @@ -2970,6 +2986,8 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in /* * If PF_INET or PF_INET6, check name_bind permission for the port. + * Multiple address binding for SCTP is not supported yet: we just + * check the first address now. */ family = sock->sk->sk_family; if (family == PF_INET || family == PF_INET6) { @@ -3014,12 +3032,12 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in goto out; } - switch(sk->sk_protocol) { - case IPPROTO_TCP: + switch(isec->sclass) { + case SECCLASS_TCP_SOCKET: node_perm = TCP_SOCKET__NODE_BIND; break; - case IPPROTO_UDP: + case SECCLASS_UDP_SOCKET: node_perm = UDP_SOCKET__NODE_BIND; break; |