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This address the issue of VMWare guest OS being remounted as read-only
becuase the underlying device was held busy too long and at the
same time address Engenio MPP driver concerns over infinite retries.
This patch removes the code that snoops the SAM STATUS on busy, which
would be returning DID_BUS_BUSY, instead we return the status as is.
Retry hanlding seems to be properly handled in scsi_softirq_done,
where a busy sam status would only occurr for the time specified by
(cmd->allowed +1) * cmd->timeout_per_command.
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Honour the return value of pci_enable_device(), which
seems to be a desirable thing to do:
2.6.20-rc4
gcc (GCC) 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)
CC [M] drivers/message/fusion/mptbase.o
drivers/message/fusion/mptbase.c: In function `mpt_resume':
drivers/message/fusion/mptbase.c:1541: warning: ignoring return value
of `pci_enable_device', declared with attribute warn_unused_result
It also in turn has mptscsih_resume() honour the return value of
mpt_resume()
I'm not sure about the handling of the other potential error cases
in mpt_resume(), of which there appear to be many. But this does
seem to be a good start.
Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: "Moore, Eric" <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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It seems that most of the code in mptscsih_resume() doesn't
do anything. This patch removes that code.
Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: "Moore, Eric" <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Fix kernel-doc warnings in fusion driver code.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: "Moore, Eric" <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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After Al Viro (finally) succeeded in removing the sched.h #include in module.h
recently, it makes sense again to remove other superfluous sched.h includes.
There are quite a lot of files which include it but don't actually need
anything defined in there. Presumably these includes were once needed for
macros that used to live in sched.h, but moved to other header files in the
course of cleaning it up.
To ease the pain, this time I did not fiddle with any header files and only
removed #includes from .c-files, which tend to cause less trouble.
Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha,
arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig,
allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all
configs in arch/arm/configs on arm. I also checked that no new warnings were
introduced by the patch (actually, some warnings are removed that were emitted
by unnecessarily included header files).
Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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bump version, and fix email addr for lsi support
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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misc error handling bug fix's
- properly interpret iocstatus returned after task management request
- clear tmState after a failed doorbell
- cleanup mptscsih_taskmgmt_complete
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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inactive raid support, e.g. exposing hidden raid components
belonging to a volume that are inactive. Also misc bug fix's for
various raid asyn events.
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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various string updates for iocstatus, logingo, and fw asyn events.
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Move some functions that only apply to the mptspi module over from mptscsih.c
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Add support for greater than 255 target and luns.
Kill the hd->Target[] field, and change all references
of bus_id/target_id, to channel/id.
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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* Add modinfo driver version support.
* Change copyright year to 2007.
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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* Endian fix's for warnings found in ppc environment.
* Fix compile time warning when calling scsi_device_reprobe, where
in newer kernels this API expects its return value to be examined.
* Fix compile errors when debug messages are enabled.
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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MPI_IOCSTATUS_SCSI_IOC_TERMINATED
A repost of a patch forwarded by Mikael Reed from 2006-12-20.
The fibre channel IOC may kill a request for a variety of
reasons, some of which may be recovered by a retry, some of
which are unlikely to be recovered. Return DID_ERROR
instead of DID_RESET to permit retry of the command,
just not an infinite number of them.
Signed-off-by: Michael Reed <mdr@sgi.com>
Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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This patch handles case where raid hidden components
are not being removed when power turned off to device
attached to expander, as well as the case of
exposing raid components when power is turned back on
to devices attached to an expander. (This is a repost
of this patch, with mptsas_is_end_device declared
further up in the code.)
This patch contains some other miscellaneous bug fix's.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Suppport for exposing hidden raid components
for sg interface. The sdev->no_uld_attach flag
will set set accordingly.
The sas module supports adding/removing raid
volumes using online storage management application
interface.
This patch rely's on patch's provided to me
by Christoph Hellwig, that exports device_reprobe.
I will post those patch's on behalf of Christoph.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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It makes no sense in keeping the target_id and bus_id
in the VirtDevice structure, when it can be obtained
from the VirtTarget structure.
In addition, this patch fix's couple compilation bugs
in mptfc.c when MPT_DEBUG_FC is enabled. This
provided by Micheal Reed.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Created a debug level MPT_DEBUG_VERBOSE_EVENTS.
Moving some of the more vebose debug messages
for firwmare events into new debug level. Also
added some more firmware events descriptions.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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It was actually rendered unused by the move to the spi transport
class, but never taken out.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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This is the first half of a patch to add the generic domain validation
to mptspi. It also creates a secondary "virtual" channel for raid
component devices since these are now exported with no_uld_attach.
What Eric and I would have really liked is to export all physical
components on channel 0 and all raid components on channel 1.
Unfortunately, this would result in device renumbering on platforms with
mixed RAID/Physical devices which was considered unacceptable for
userland stability reasons.
Still to be done is to plug back the extra parameter setting and DV
pieces on reset and hotplug.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Use the hard coded value MPTCTL_EVENT_LOG_SIZE to fix
bug where in certain cases, the ioc->eventLogSize was
initialized.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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This adds a sanity check in the interrupt routine
insures incoming message frames are a valid
message frames.
The code for setting 0xdeadbeaf in the freed message
frames, apparently was already submitted by Christoph
in previous patch submission.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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devices
This patch inhibits sending spi negotiation parameters
for non-configured devices from the slave_destroy function.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Adding verbose message returned from firmware
when a task mangment request fails.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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On Mon, Jan 16, 2006 at 06:53:13PM -0700, Moore, Eric wrote:
> The task managment request timeout in the eh threads was set
> for U320 timing, which is between 2-5 seconds.
> This is too small for FC and SAS.
> According to the firmware engineers, Fibre needs to be 40 seconds
> and SAS needs to be 10 seconds.
The timeout selection should probably be done in a little helper instead
of duplicated in a few places. Updated patch below.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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The prior fusion patches moved an invocation of a function,
mptscsih_TMHandler(), static to mptscsih.c into mptsas.c
Make the function unstatic, move the header to mptscsih.h and export it.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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This moves code intented for SAS from
the generic mptscsih module over to the
mptsas module.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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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>
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Convert kmalloc + memset to kzalloc or kcalloc in fusion.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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This utilizes the hostdata area that is hung off of scsi_target and
scsi_device for saving unique firmware mapping. This will be required
for supporting new Fibre and SPI transport support.
This also fixs problems in error handling error code for SAS
controllers, in which the incorrect mapping was passed to the
firmware.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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This moves some functions around from within the #define
MPTSCSIH_ENABLE_DOMAIN_VALIDATION area, in preperation for generic
domain validation.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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This changes to SPI for the bus_type enumeration.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Syncronization for Domain Validation workqueue and the initiation of the
alternate controller. Its possible that dv could be terminated if the
workqueue on the 1st channel doesn complete in time before the 2nd channel
begins initialization.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Use schedule_timeout_interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: "Moore, Eric Dean" <Eric.Moore@lsil.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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On Thursday, September 15, 2005 6:22 AM, Christoph Hellwig wrote:
> Looks good to me, except for the spurious scsi_print_command prototype
> in mptscsih.h.
The attached patch addresses that concern.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Summary of Changes:
* splitting mpt_interrupt per Christophs suggestion
about a month ago
* rename ScsiCfgData to SpiCfgData structure,
then move all the raid related info into
new structure called RaidCfgData. This is
done because SAS supports RAID, as well as SPI,
so the raid stuff should be seperate.
* incorrect timeout calculation for cntdn
inside WaitForDoorbellAck and WaitForDoortbellInt
* add support for interpreting SAS Log Info
* Increase Event Log Size from 0xA to 0x32
* Fix bug in mptsas/mptfc/mptspi - when controller
has Initiator Mode Disabled, and only running in
TargetMode, the mptctl would panic when loading.
The fix is to return 0, instead of -ENODEV, in
SCSI LLD respective probe routines
* Fix bug in mptlan.c - driver will panic if
there is host reset, due to dev being set to
zero in mpt_lan_ioc_reset
* Fix's for SPI - Echo Buffer
* Several fix's in mptscsih_io_done - FCP Response
info, RESIDUAL_MISMATCH, Data Underrun, etc.
* Cleanup Error Handling - EH handlers,
mptscsih_flush_cmds, and zeroing out ScsiLookup
from mptscsih_qcmd
* Cleanup asyn event handling from
mptscsih -> mptscsih_event_process. Also
added support for SAS Persistent Table Full,
an asyn event
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- various bits for SAS support from the LSI driver.
- use the device private data for the fusion target private data.
this should be using the midlayer target data framework, but we
can't move over to that until fusion has been switched to the
generic DV code
- use target ID and channel from the fusion target private data,
because those in scsi_device will be different for mptsas
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Acked by: Moore, Eric Dean <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Assorted endianess fixes. I'll work on full endianess annotations
later.
Acked by: Moore, Eric Dean <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Acked by: Moore, Eric Dean <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Convert driver to use new change_queue_depth API.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Fixed up rejections and
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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