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* [PATCH] kernel-doc: fix fusion and i2o docsRandy Dunlap2006-12-074-137/+151
| | | | | | | | | Correct lots of typos, kernel-doc warnings, & kernel-doc usage in fusion and i2o drivers. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'master' of ↵David Howells2006-12-051-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: drivers/infiniband/core/iwcm.c drivers/net/chelsio/cxgb2.c drivers/net/wireless/bcm43xx/bcm43xx_main.c drivers/net/wireless/prism54/islpci_eth.c drivers/usb/core/hub.h drivers/usb/input/hid-core.c net/core/netpoll.c Fix up merge failures with Linus's head and fix new compilation failures. Signed-Off-By: David Howells <dhowells@redhat.com>
| * Fix typos in doc and commentsJan Engelhardt2006-11-301-1/+1
| | | | | | | | | | | | | | | | | | Changes persistant -> persistent. www.dictionary.com does not know persistant (with an A), but should it be one of those things you can spell in more than one correct way, let me know. Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* | WorkStruct: make allyesconfigDavid Howells2006-11-224-34/+48
|/ | | | | | Fix up for make allyesconfig. Signed-Off-By: David Howells <dhowells@redhat.com>
* [SCSI] mptfc: stall eh handlers if resetting while rport blockedMichael Reed2006-10-252-6/+87
| | | | | | | | | | | | | | | | | | | Thanks to James Smart for the inspiration. Stall error handler if attempting recovery while an rport is blocked. This avoids device offline scenarios due to errors in the error handler. Also verify that VirtDevice is available before issuing scsi command. VirtDevice is removed when fc transport removes a target. See James Smart's patch of 08/17/2006 for greater detail. http://marc.theaimsgroup.com/?l=linux-scsi&m=115583213624803&w=2 Also bump version number per Eric's request. Signed-off-by: Michael Reed <mdr@sgi.com> Acked-by: Eric Moore <eric.moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells2006-10-051-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
* [SCSI] drivers/message/fusion/linux_compat.h Removal of old codeMichal Piotrowski2006-09-261-9/+0
| | | | | | | Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Acked-by: "Moore, Eric Dean" <Eric.Moore@lsil.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] scsi_transport_sas: remove local_attached flagJames Bottomley2006-08-271-3/+8
| | | | | | | | | | | | | | | | | This flag denotes local attachment of the phy. There are two problems with it: 1) It's actually redundant ... you can get the same information simply by seeing whether a host is the phys parent 2) we condition a lot of phy parameters on it on the false assumption that we can only control local phys. I'm wiring up phy resets in the aic94xx now, and it will be able to reset non-local phys as well. I fixed 2) by moving the local check into the reset and stats function of the mptsas, since that seems to be the only HBA that can't (currently) control non-local phys. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* Merge ../linux-2.6James Bottomley2006-08-272-55/+38
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| * [SCSI] mptfc: correct out of order event processingMichael Reed2006-08-062-54/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch corrects a problem in mptfc which can result in targets being removed after executing an "lsiutil 99" reset of the fibre channel ports. The last rescan event was being processed before the setup reset work due to an inappropriate optimization in the event processing logic. Every rescan event is now queued for execution and the setup reset work now executes in the proper sequence. Signed-off-by: Michael Reed <mdr@sgi.com> Acked-by: Moore, Eric <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] mptfc: properly wait for firmware target discovery to completeMichael Reed2006-08-061-1/+4
| | | | | | | | | | | | | | | | | | | | Based upon a conversation I had with LSI's fibre channel firmware guru, this patch adds another condition under which the driver waits for the firmware link initialization / target discovery to complete. Signed-off-by: Michael Reed <mdr@sgi.com> Acked-by: Moore, Eric <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] mptfc: add additional fc transport attributesMichael Reed2006-08-061-16/+84
| | | | | | | | | | | | | | | | | | | | Add host_supported_speeds, host_maxframe_size, host_speed, host_fabric_name, host_port_type, host_port_state, and host_symbolic_name transport attributes to fusion fibre channel. Signed-off-by: Michael Reed <mdr@sgi.com> Acked-by: Moore, Eric <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] mptsas: add parent port backlinkJames Bottomley2006-07-281-2/+6
|/ | | | | | | This takes advantage of the sas class backlink function to show which port on an expander is used to communicate with the parent. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] mptfusion: bump version to 3.04.01Eric Moore2006-07-131-2/+2
| | | | | | | bump version to 3.04.01 Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] mptfusion: misc fix'sEric Moore2006-07-139-49/+10
| | | | | | | | | | * removing obsolete 1066, 1066E from Kconfig * initializing aen_event_read_flag after host reset * remove oem references * remove obsolete mpt_pq_filter command line option Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] mptfusion: firmware download boot fix'sEric Moore2006-07-131-8/+18
| | | | | | | | | | Fix's to insure download boot could occur when either channel of 1030 is reset. Necessary in order for onboard controller in flashless environment to become operational. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] mptfusion: task abort fix'sEric Moore2006-07-132-18/+41
| | | | | | | | | | | | Fix's to insure proper status is returned to midlayer when a task abort failed to be aborted by controller firmware. Also sanity checks to prevent scsi cmd from being double completed during error recovery. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] mptfusion: sas nexus loss supportEric Moore2006-07-131-1/+18
| | | | | | | sas nexus loss support for systems that suport failover. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] mptfusion: sas loginfo updateEric Moore2006-07-131-18/+36
| | | | | | | Adding more sas loginfo strings. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] mptfusion: mptctl panic when loadingEric Moore2006-07-131-6/+6
| | | | | | | | Fix panic for when mptctl is loading at the same time when one of the fusion llds (mptsas/mptfc/mptspi) is loading. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] mptfusion: sas enclosures with smart driveEric Moore2006-07-132-0/+48
| | | | | | | Adding support for sas enclosures with smart drives. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] scsi_transport_sas: kill the use of channel James Bottomley2006-07-122-36/+21
| | | | | | | | | Using the port_id for the channel is completely unnecessary since the host_id/target_id are constructed to be globally unique. Also move the mptsas driver on to virtual channel 1 for its raid devices. Acked-by: "Moore, Eric" <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] mptsas: use unnumbered port API and remove driver porttrackingEric Moore2006-07-092-23/+16
| | | | | | | | | This allows us to be rid of the machinery in mptsas for creating and tracking port numbers. Since mptsas is merely inventing the numbers, the SAS transport class may as well do it instead. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* Merge ../scsi-misc-2.6James Bottomley2006-07-0315-490/+1211
|\ | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/scsi/nsp32.c drivers/scsi/pcmcia/nsp_cs.c Removal of randomness flag conflicts with SA_ -> IRQF_ global replacement. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] mptsas: eliminate ghost devicesJames Bottomley2006-06-302-0/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One of the current problems the mptsas driver has is that of "ghost" devices (these are devices the firmware reports as existing, but what they actually represent are the parents of a lower device), so for example in my dual expander configuration, three expanders actually show up, two for the real expanders but a third is created because the firmware reports that the lower expander also has another expander connected (which is simply the port going back to the upper expander). The attached patch eliminates all these ghosts by not allocating any devices for them if the SAS address is the SAS address of the parent. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] mptbase: mpt_interrupt should return IRQ_NONEEric Moore2006-06-301-7/+8
| | | | | | | | | | | | | | | | | | | | | | The way mpt_interrupt() was coded, it was impossible for the unhandled interrupt detection logic to ever trigger. All interrupt handlers should return IRQ_NONE when they have nothing to do. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andrew Morton <akpm@osdl.com> Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] mptsas: make two functions staticEric Moore2006-06-301-2/+2
| | | | | | | | | | | | | | | | | | Make two needlessly global functions static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.com> Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * Merge ../linux-2.6/James Bottomley2006-06-281-4/+2
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/scsi/aacraid/comminit.c Fixed up by removing the now renamed CONFIG_IOMMU option from aacraid Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | [SCSI] mptsas: Adding 1078 ROC supportEric Moore2006-06-285-38/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Adding 1078 ROC (Raid On Chip) Support - New host adapter * Moving all PCI Vendor/Device ids to using internal defines; a request from Christoph/James B. some time ago for when the next chip was added. * Removing SAS 1066/1066E Vendor/Device IDs, as there are no plans to manufacture that controller. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | [SCSI] mptsas: wide port supportEric Moore2006-06-283-274/+709
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Wide port support added - using James Bottomley's new SAS wide port API. (There is a known problem in sas transport layer reported yesterday to James. The Kobject dev.bus_ids for end devices are not unique across expanders. I have added a work around in this patch, where I asigning an unique port identifier for every port within the host - this solves the problem, but I expect a fix from James in the sas transport). * Adding target_alloc and target_destroy entry points, and moving code over from the slave entry points. * The renaming of some mptscsih_xxx functions declared in mptsas.c, to mptsas_xxx. * Target Reset moved from slave_destroy to hotplug work thread handling (with regard to device removal). Also inhibit IO to end device while device is being broken down . Talked to James Smart about this at Linux Expo (with questions of how the fc transport handles this). * Cleaning up the kzalloc's, and kfree's Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * | [SCSI] fusion : mpi header updateEric Moore2006-06-289-173/+413
| | | | | | | | | | | | | | | | | | | | | MPI Header Update Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | | [PATCH] irq-flags: misc drivers: Use the new IRQF_ constantsThomas Gleixner2006-07-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | Remove obsolete #include <linux/config.h>Jörn Engel2006-06-302-2/+0
| | | | | | | | | | | | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* | | typo fixes: occuring -> occurringAdrian Bunk2006-06-301-1/+1
| |/ |/| | | | | Signed-off-by: Adrian Bunk <bunk@stusta.de>
* | [PATCH] Remove redundant NULL checks before [kv]free - in drivers/Jesper Juhl2006-06-272-6/+3
|/ | | | | | | | | Remove redundant NULL chck before kfree + tiny CodingStyle cleanup for drivers/ Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds2006-06-214-195/+447
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (85 commits) [SCSI] 53c700: remove reliance on deprecated cmnd fields [SCSI] hptiop: don't use cmnd->bufflen [SCSI] hptiop: HighPoint RocketRAID 3xxx controller driver [SCSI] aacraid: small misc. cleanups [SCSI] aacraid: Update supported product information [SCSI] aacraid: Fix return code interpretation [SCSI] scsi_transport_sas: fix panic in sas_free_rphy [SCSI] remove RQ_SCSI_* flags [SCSI] remove scsi_request infrastructure [SCSI] mptfusion: change driver revision to 3.03.10 [SCSI] mptfc: abort of board reset leaves port dead requiring reboot [SCSI] mptfc: fix fibre channel infinite request/response loop [SCSI] mptfc: set fibre channel fw target missing timers to one second [SCSI] mptfusion: move fc event/reset handling to mptfc [SCSI] spi transport: don't allow dt to be set on SE or HVD buses [SCSI] aic7xxx: expose the bus setting to sysfs [SCSI] scsi: remove Documentation/scsi/cpqfc.txt [SCSI] drivers/scsi: Use ARRAY_SIZE macro [SCSI] Remove last page_address from dc395x.c [SCSI] hptiop: HighPoint RocketRAID 3xxx controller driver ... Fixed up conflicts in drivers/message/fusion/mptbase.c manually (due to the sparc interrupt cleanups)
| * [SCSI] mptfusion: change driver revision to 3.03.10Michael Reed2006-06-101-2/+2
| | | | | | | | | | | | | | | | Bump driver version number to reflect addition of various fibre channel patches. Signed-off-by: Michael Reed <mdr@sgi.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] mptfc: abort of board reset leaves port dead requiring rebootMichael Reed2006-06-103-17/+17
| | | | | | | | | | | | | | | | | | | | | | The driver uses msleep_interruptible() in the code path responsible for resetting the card's ports via the lsiutil command. If a <ctrl-c> is received during the reset it can leave a port in such a state that the only way to regain its use is to reboot the system. Changing from msleep_interruptible() to msleep() corrects the problem. Signed-off-by: Michael Reed <mdr@sgi.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] mptfc: fix fibre channel infinite request/response loopMichael Reed2006-06-102-2/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | While doing board reset testing I was able to put the system in an infinite request/response loop between the scsi layer and mptscsih_qcmd() by aborting the reset. This patch installs a "SETUP RESET" handler which calls fc_remote_port_delete() for all registered rports. This blocks the target which prevents the loop. Additionally, should the reset fail to complete, the transport will now terminate i/o to the target. Signed-off-by: Michael Reed <mdr@sgi.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] mptfc: set fibre channel fw target missing timers to one secondMichael Reed2006-06-102-9/+172
| | | | | | | | | | | | | | | | | | | | | | | | | | The fibre channel firmware provides a timer which is similar in purpose to the fibre channel transport's device loss timer. The effect of this timer is to extend the total time that a target will be missing beyond the value associated with the transport's timer. This patch changes the firmware timer to a default of one second which significantly reduces the lag between when a target goes missing and the notification of the fibre channel transport. Signed-off-by: Michael Reed <mdr@sgi.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [SCSI] mptfusion: move fc event/reset handling to mptfcMichael Reed2006-06-104-137/+184
| | | | | | | | | | | | | | | | | | Move fibre channel event and reset handling to mptfc. This will result in fewer changes over time that need to be applied to either mptbase.c or mptscsih.c. Signed-off-by: Michael Reed <mdr@sgi.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * Merge ../linux-2.6James Bottomley2006-06-106-142/+309
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| * | [SCSI] kdump: mpt fusion driver initialization failure fixVivek Goyal2006-05-311-38/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MPT fusion driver initialization fails while second kernel is booting, after a system crash (if kdump kernel is configured). Oops message is pasted below. ***************************************************************************** Fusion MPT base driver 3.03.08 Copyright (c) 1999-2005 LSI Logic Corporation Fusion MPT SAS Host driver 3.03.08 ACPI: PCI Interrupt 0000:01:00.0[A] -> Link [LNKA] -> GSI 5 (level, low) -> IRQ 5 mptbase: Initiating ioc0 bringup BUG: unable to handle kernel paging request at virtual address 00002608 printing eip: c11782fd *pde = 00000000 Oops: 0000 [#1] Modules linked in: CPU: 0 EIP: 0060:[<c11782fd>] Not tainted VLI EFLAGS: 00010046 (2.6.17-rc1-16M #2) EIP is at mptscsih_io_done+0x27/0x3a3 eax: c4fed000 ebx: c4fed000 ecx: 00002600 edx: 00000298 esi: c11782d6 edi: 00002600 ebp: 00000000 esp: c1332f74 ds: 007b es: 007b ss: 0068 Process swapper (pid: 0, threadinfo=c1332000 task=c128f9c0) Stack: <0>0000006c 00000020 00000298 00002600 c4fed000 c4fed000 c11782d6 0000260 0 00000000 c1172c49 c4fed000 c1305b40 00000005 00000000 c1172d75 c48877e0 c1029687 00000000 c1307fb8 00000000 c1305a00 00000001 00000000 c1307fb8 Call Trace: <c11782d6> mptscsih_io_done+0x0/0x3a3 <c1172c49> mpt_turbo_reply+0xbb/0xd3 <c1172d75> mpt_interrupt+0x22/0x2b <c1029687> misrouted_irq+0x63/0xcb <c10297b3> note_interrupt+0x43/0x98 <c10292f9> __do_IRQ+0x68/0x8f <c1003fac> do_IRQ+0x36/0x4e ======================= <c1002aa6> common_interrupt+0x1a/0x20 <c1001150> mwait_idle+0x1a/0x2a <c10010bf> cpu_idle+0x40/0x5c <c1308610> start_kernel+0x17a/0x17c Code: 5e 5f 5d c3 55 89 cd 57 56 53 83 ec 14 89 54 24 0c 89 44 24 10 8b 90 cc 00 00 00 8b 4c 24 0c 81 c2 98 02 00 00 85 ed 89 54 24 08 <0f> b7 79 08 89 fe 74 04 0f b7 75 08 66 39 f7 75 0d 8b 44 24 0c ******************************************************************************* o Kdump capture kernel boot fails during initialization of MPT fusion driver. (LSI Logic / Symbios Logic SAS1064E PCI-Express Fusion-MPT SAS (rev 01)) o Problem is easily reproducible, if system crashed while some disk activity like cp operation was going on. o After a system crash, devices are not shutdown and capture kernel starts booting while skipping BIOS. Hence underlying device is left in operational state. In this case scsi contoller was left with interrupt line asserted reply FIFO was not empty. When driver starts initializing in the second kernel, it receives the interrupt the moment request_irq() is called. Interrupt handler, reads the message from reply FIFO and tries to access the associated message frame and panics, as in the new kernel's context that message frame is not valid at all. o In this scenario, probably we should delay the request_irq() call. First bring up the IOC, reset it if needed and then should register for irq. o I have tested the patch with SAS1064E and 53c1030 controllers. Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Acked-by: "Moore, Eric Dean" <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | | [SPARC]: Kill __irq_itoa().David S. Miller2006-06-201-16/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This ugly hack was long overdue to die. It was a way to print out Sparc interrupts in a more freindly format, since IRQ numbers were arbitrary opaque 32-bit integers which vectored into PIL levels. These 32-bit integers were not necessarily in the 0-->NR_IRQS range, but the PILs they vectored to were. The idea now is that we will increase NR_IRQS a little bit and use a virtual<-->real IRQ number mapping scheme similar to PowerPC. That makes this IRQ printing hack irrelevant, and furthermore only a handful of drivers actually used __irq_itoa() making it even less useful. Signed-off-by: David S. Miller <davem@davemloft.net>
* | | [FUSION]: Fix mptspi.c build with CONFIG_PM not set.Tom "spot" Callaway2006-06-091-0/+2
| |/ |/| | | | | | | Signed-off-by: Tom "spot" Callaway <tcallawa@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SCSI] mptspi: reset handler shouldn't be called for other bus protocolsJames Bottomley2006-05-191-6/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | All registered reset callback handlers are called during reset processing. The mptspi modules has its own reset callback handler, just recently added for issuing domain validation after host reset. If either the mptsas or mptfc driver are loaded, this callback could be called. Thus resulting in domain validation being issued for sas or fibre end devices. Fix this by having mptbase.c check the bus type against the driver type and only call the reset handler if they match (or if it's a non-bus specific reset handler). Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] mptfc: race between mptfc_register_dev and mptfc_target_allocmdr@sgi.com2006-05-101-4/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A race condition exists in mptfc between the thread registering a device with the fc transport and the scan work generated by the transport. This race existed prior to the application of the mptfc bug fix patch. mptfc_register_dev() calls fc_remote_port_add() with the FC_RPORT_ROLE_TARGET bit set in the rport ids passed to the function. Having this bit set causes fc_remote_port_add() to schedule a scan of the device. This scan can execute before mptfc_register_dev() can fill in the dd_data in the rport structure. When this happens, mptfc_target_alloc() will fail because dd_data is null. Attached is a patch which fixes the problem. The patch changes the rport ids passed to fc_remote_port_add() to not have the TARGET bit set. This prevents the scan from being scheduled. After mptfc_register_dev() fills in the rport dd_data field, fc_remote_port_rolechg() is called, changing the role of the rport to TARGET. Thus, the scan is scheduled after dd_data is filled in which prevents the failure in mptfc_target_alloc(). Signed-off-by: Michael Reed <mdr@sgi.com> Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] mptspi: revalidate negotiation parameters after host reset and resumeEric Moore2006-05-031-2/+66
| | | | | | | | | | | | | | | | | | | | This is a bug fix for mptspi driver, where after a host reset or resume, we revalidate the negotiation parameters for all devices. This bug was introduced when the driver was ported to use the spi transport layer. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] fusion - bug fix stack overflow in mptbaseEric Moore2006-04-271-23/+37
| | | | | | | | | | | | | | | | | | | | Bug fix for stack overflow in EventDescriptionStr, (a function for debuging firmware events). We allocated 50 bytes on local stack for buff[], however there are places in the code where we've attempted copying in greater than 50 bytes into buff[]. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] - fusion - mptfc bug fix's to prevent deadlock situationsMoore, Eric2006-04-254-77/+107
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | mptbase.h bump version number to 3.03.09 remove unneeded flags define workq and remove old fc specific locks mptbase.c initialize new lock and don't initialize two removed locks mptscsih.c when firmware reports target is no longer there, return DID_REQUEUE for fc hosts so that i/o doesn't get killed until the transport has an opportunity to manage the loss via its dev loss timer when the "eh_abort" routine is called, check to see if the driver has the command or not before looking to see if a reset is pending. James Smart and I talked about this and believe that the API for this routine is: if driver doesn't have command, return SUCCESS. This change helps prevent a target from being taken offline. SUCCESS is returned because it's likely that the command completed after error recovery timed it out but before it could be aborted. provide a routine to queue work to newly created workq, and use it. remove "ioc" from mptscsih_abort() it was only used one time. the other references were via hd->ioc, so I just moved it.... net change in references to ioc via hd->ioc is zero move hd->resetPending test and hd->timeouts increment to after the test for whether the command to be aborted remains known to the driver Make certain that the workq exists before queuing work to it. mptfc.c no longer need to lock rport data structures as I was able to single thread the code! I fixed up the debug code to eliminate compilation messages due to type mismatch in the printk. Got rid of some no longer needed rport flags. Initialize and destroy the workq used for the rescan work. simplify the logic regarding the increment of fc_rescan_work_count. use post increment and test for zero vs. pre increment and test for one; eliminate work_count variable: queue_work can be called with the work_lock held as it doesn't sleep Signed-off-by: Michael Reed <mdr@sgi.com> Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
generated by cgit (git 2.34.1) at 2024-11-09 18:12:37 +0000