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In the error path, ata_device_add()
* dereferences null host_set->ports[] element.
* calls scsi_remove_host() on not-yet-added shost.
This patch fixes both bugs. The first problem was spotted and initial
patch submitted by Dave Jones <davej@redhat.com>. The second problem
was mentioned and fixed by Jeff Garzik <jgarzik@pobox.com> in a larger
cleanup patch.
Cc: Dave Jones <davej@redhat.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Tejun Heo <htejun@gmail.com>
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(tj: this is for the following ata_device_add() fix)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Tejun Heo <htejun@gmail.com>
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sata_sil24 doesn't make use of probe_ent->mmio_base and setting this
field causes the area to be released twice on detach. Don't set
probe_ent->mmio_base.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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To get host_set->private_data initialized reliably, all pinfos need to
point to the same hpriv. Restore pinfo->private_data after pata pinfo
assignment.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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ata_prot_detach() did nothing for old EH ports and thus SCSI hosts
associated with those ports are left dangling after they are detached
leaving stale devices and causing oops eventually. Make
ata_port_detach() remove SCSI hosts for old EH ports.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Skip protocol test altogether in spurious interrupt code. If PIOS is received
when it shouldn't, ahci will raise protocol violation.
Signed-off-by: Unicorn Chang <uchang@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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When we introduced -rR then aic7xxx no loger could pick up definition
of YACC&LEX from make - so do it explicit now.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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HAL and friends have a tendency to trigger this one all the time.
It's not really interesting, so kill it. The vendor kernels all do
anyways.
Signed-off-by: Jens Axboe <axboe@suse.de>
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This fixes three drivers to compile again after my patch that removes
the data_cmnd member from struct scsi_cmnd.
The fas216 change is trivial, it should have been using ->cmnd all the
time.
NCR53C9 (which seem to be mostly duplicate driver with esp.c!) is doing
something odd, it should only have looked at ->cmnd before not the saved
copy that is kept for the error handlers sake. Note that it really
should deal with the sync setting themselves but use the generic domain
validation code that get this right - but that's for later let's push
this simple compile fix for now.
And sorry for the late fix for this, I have been busy with OLS and
associated activities last week.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The data_cmd[] member got deleted, so do not use it any more. Scsi
commands do not have their ->cmd[] overwritten temporary to probe for
status after an error before retrying.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is just the for-RC fix. A 'TODO' command is added, describing
what's needed for the more-complete fix.
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* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (38 commits)
[SCSI] More buffer->request_buffer changes
[SCSI] mptfusion: bump version to 3.04.01
[SCSI] mptfusion: misc fix's
[SCSI] mptfusion: firmware download boot fix's
[SCSI] mptfusion: task abort fix's
[SCSI] mptfusion: sas nexus loss support
[SCSI] mptfusion: sas loginfo update
[SCSI] mptfusion: mptctl panic when loading
[SCSI] mptfusion: sas enclosures with smart drive
[SCSI] NCR_D700: misc fixes (section and argument ordering)
[SCSI] scsi_debug: must_check fixes
[SCSI] scsi_transport_sas: kill the use of channel
[SCSI] scsi_transport_sas: add expander backlink
[SCSI] hide EH backup data outside the scsi_cmnd
[SCSI] ibmvscsi: handle inactive SCSI target during probe
[SCSI] ibmvscsi: allocate lpevents for ibmvscsi on iseries
[SCSI] aic7[9x]xx: Remove last vestiges of reverse_scan
[SCSI] aha152x: stop poking at saved scsi_cmnd members
[SCSI] st.c: Improve sense output
[SCSI] lpfc 8.1.7: Change version number to 8.1.7
...
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Update ata_eh_about_to_do() and ata_eh_done() to improve EH action and
EHI flag handling.
* There are two types of EHI flags - one which expires on successful
EH and the other which expires on a successful reset. Make this
distinction clear.
* Unlike other EH actions, reset actions are represented by two EH
action masks and a EHI modifier. Implement correct about_to_do/done
semantics for resets. That is, prior to reset, related EH info is
sucked in from ehi and cleared, and after reset is complete, related
EH info in ehc is cleared.
These changes improve consistency and remove unnecessary EH actions
caused by stale EH action masks and EHI flags.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* (ata_dev_absent() || ata_dev_ready()) test doesn't indicate
SUSPENDED state properly. Fix it.
* Link resuming resets shouldn't be skipped. Don't skip recovery on
EHI_RESUME_LINK. This doesn't matter for host ports as EHI_RESUME
always coincides with EHI_HOTPLUGGED which makes attached disabled
devices vacant. However, PMP reset causes non-hotplug link-resuming
resets which shouldn't be skipped.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Commit 0662c58b3265f52f708a6d59476bc7862b01f9c0 updated
ata_eh_autopsy() to OR determined action to ehc->i.action to preserve
action mask set directly into ehc->i.action by nested functions. This
broke action mask clearing on SENSE_VALID case causing revalidation
and EH complete message on successful ATAPI CC.
This patch removes two local variables - action and failed_dev - which
cache ehc->i.action and ehc->i.dev respectively, and make the function
directly modify ehc->i.* fields to remove aliasing issues.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* delete unused PIIX_FLAG_COMBINED*
* port_enable should be u16 rather than u32
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Take into account the fact that ICH8 changed the register layout of
the MAP and PCS register bits.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Prior to this patch, the driver would do this for each port:
read 8-bit PCS
write 8-bit PCS
read 8-bit PCS
write 8-bit PCS
In the field, flaky behavior has been observed related to this register.
In particular, these overzealous register writes can cause misdetection
problems.
Update to do the following once (not once per port) at boot:
read 16-bit PCS
if needs changing,
write 16-bit PCS
And thereafter, we only perform a 'read 16-bit PCS' per port.
This should eliminate all PCS writes in many cases, and be more friendly
in the cases where we do need to enable ports.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add host_set private structure piix_host_priv. Currently the only
field is ->map which used to be stored directly at
host_set->private_data. This change allows more host_set private
fields to be added.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Seem like quite a few splipped through the cracks. Here's a patch to
update all references I could find:
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Apparently the D700 has had an argument ordering issue for quite a while
which can cause it to get the wrong scsi_id (I just got an unbootable
voyager system because of this). Hopefully this patch also fixes up all
the sectional mismatches within the driver.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Check all __must_check warnings in scsi_debug.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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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>
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This patch adds the ability to add a backlink to a particular port. The
idea is to represent properly ports on expanders that are used
specifically for linking to the parent device in the topology.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Move the roundup() macro from binfmt_elf.c into linux/kernel.h as it's
generally useful.
[akpm@osdl.org: nuke all the other implementations]
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Currently struct scsi_cmnd has various fields that are used to backup
original data after the corresponding fields have been overridden for
EH commands. This means drivers can easily get at it and misuse it.
Due to the old_ naming this doesn't happen for most of them, but two
that have different names have been used wrong a lot (see previous
patch). Another downside is that they unessecarily bloat the scsi_cmnd
size.
This patch moves them onstack in scsi_send_eh_cmnd to fix those two
issues aswell as allowing future EH fixes like moving the EH command
submissions to use SG lists like everything else.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Without this patch we register an interrupt with request_irq,
but then return a bad return code from the module probe.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Allocate the correct number of lp events when running
ibmvscsi on legacy iseries
Signed-off-by: Dave Boutcher <sleddog@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Remove last vestiges of the reverse_scan paramater from aic7xxx and aic79xx.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Stop poking into the old_ & co scsi_cmnd fields that should only be used
in the EH code. Untested, but this is required to move ahead with the
EH fixes.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Convert this:
st0: Error with sense data: <6>st: Current: sense key: Illegal Request
Additional sense: Invalid field in cdb
To this:
st0: Current: sense key: Illegal Request
Additional sense: Invalid field in cdb
Signed-off-by: Luben Tuikov <ltuikov@yahoo.com>
Acked-by: Kai Makisara <kai.makisara@kolumbus.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Change version number to 8.1.7
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Misc Fixes:
- Fix some sparse warnings - casts of address space
- Fix handling of the adapter registration string. Each invocation
was byteswapping, so every other adapter init attempt failed.
- Correct comments and default value for the lpfc_max_luns parameter
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Add lpfc_sli_flush_mbox_queue() function and use it in lpfc_offline() call
to avoid deadlock on thread block.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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discovery
Correct the wait in attachment that delays for topology discovery
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Remove depricated sysfs attribute board_online, as it's replaced by the new
issue_reset attribute
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Adding new issue_reset sysfs attribute
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Fix panic in lpfc_sli_validate_fcp_iocb due to access of scsi_cmnd after
returning it to the midlayer
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Consolidate dma buf cleanup into a separate function
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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NPort Id
Correct bogus nodev_tmo message on NPort that changes its NPort Id
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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firmware
Fix txcmplq related panics on heavy IO while downloading firmware
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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failure issue
Issue DOWN_LINK prior to INIT_LINK to work around link failure issue
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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MBXERR_RPI_FULL
Fixed infinite retry of REG_LOGIN mailbox failed due to MBXERR_RPI_FULL
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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lookup array
Fix memory leak and cleanup code related to per ring lookup array.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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supported targets
Standardize the driver on a single define for the maximum supported targets.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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lpfc_els_timeout_handler
Use mod_timer instead of add_timer in lpfc_els_timeout_handler
This patch was formerly posted by Mark Haverkamp.
http://marc.theaimsgroup.com/?l=linux-scsi&m=114246089015681&w=2
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Following on from my post titled: "additional sense codes
need update" see the attachment against lk 2.6.17 .
ChangeLog:
- update additional sense codes table to agree with
SPC-4 revision 5a (14 June 2006)
- adjust some of the opcode names
Signed-off-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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