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Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Acked-by: "Patro, Sumant" <Sumant.Patro@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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This patch updates the fc transport for the following:
- Addition of a new attribute "system_hostname" which can be
used to set the fully qualified hostname that the fc_host
is attached to. The fc_host can then register this string
as the FDMI-based host name attribute.
Note: for NPIV, a fc_host could be associated with a system which
is not the local system.
- Add the inline function u64_to_wwn(), which is the inverse of the
existing wwn_to_u64() function.
- Slight reorg, just to keep dynamic attributes with each other, etc
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Convert the pci_device_id-table of the megaraid_sas-driver to
the PCI_DEVICE-macro, to safe some lines.
Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: "Patro, Sumant" <Sumant.Patro@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Modify beginning string to be more readable. Remove one trailing newline.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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attribute
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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kbuild includes this automatically these days.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Some targets may return slight variations of PQ and PDT to indicate
no LUN mapped. USB UFI setting PDT=0x1f but having reserved bits for
PQ is one example, and NetApp targets returning PQ=1 and PDT=0x1f is
another. Both instances seem like reasonable responses according to
SPC-3 and UFI specs.
The current scsi_probe_and_add_lun() code adds a scsi_device
for targets that return PQ=1 and PDT=0x1f. This causes LUNs of type
"UNKNOWN" to show up in /proc/scsi/scsi when no LUNs are mapped.
In addition, subsequent rescans fail to recognize LUNs that may be
added on the target, unless preceded by a write to the delete attribute
of the "UNKNOWN" LUN.
This patch addresses this problem by skipping over the scsi_add_lun()
when PQ=1,PDT=0x1f is encountered, and just returns
SCSI_SCAN_TARGET_PRESENT.
Signed-off-by: Dave Wysochanski <davidw@netapp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Received from Mark Salyzyn
If the adapter is in blinkled (Firmware Assert) when error recovery
timeout actions have been triggered, perform an adapter warm reset and
restart the initialization.
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Received from Mark Salyzyn
The enclosed patch cleans up some code fragments, adds some paranoia
(unproven causes of potential driver failures).
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Received from Mark Salyzyn
If the adapter should be in a blinkled (Firmware Assert) state when the
driver loads, we will perform a warm restart of the Adapter Firmware to
see if we can rescue the adapter. Possible causes of a blinkled can
occur on some early release motherboard BIOSes, transitory PCI bus
problems on embedded systems or non-x86 based architectures, transitory
startup failures of early release drives or transitory hardware
failures; some of which can bite the adapter later at runtime. Future
enhancements will include recovery during runtime.
Fixed extra whitespace space issue.
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Received from Mark Salyzyn
This patch allows the FSACTL_SEND_LARGE_FIB, FSACTL_SENDFIB and
FSACTL_SEND_RAW_SRB ioctl calls into the aacraid driver to be
interruptible. Only necessary if the adapter and/or the management
software has gone into some sort of misbehavior and the system is being
rebooted, thus permitting the user management software applications to
be killed relatively cleanly. The FIB queue resource is held out of the
free queue until the adapter finally, if ever, completes the command.
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Attached is a patch that should limit a possible recursion that can
lead to a stack overflow like follows:
Kernel stack overflow.
CPU: 3 Not tainted
Process zfcperp0.0.d819
(pid: 13897, task: 000000003e0d8cc8, ksp: 000000003499dbb8)
Krnl PSW : 0404000180000000 000000000030f8b2 (get_device+0x12/0x48)
Krnl GPRS: 00000000135a1980 000000000030f758 000000003ed6c1e8 0000000000000005
0000000000000000 000000000044a780 000000003dbf7000 0000000034e15800
000000003621c048 070000003499c108 000000003499c1a0 000000003ed6c000
0000000040895000 00000000408ab630 000000003499c0a0 000000003499c0a0
Krnl Code: a7 fb ff e8 a7 19 00 00 b9 02 00 22 e3 e0 f0 98 00 24 a7 84
Call Trace:
([<000000004089edc2>] scsi_request_fn+0x13e/0x650 [scsi_mod])
[<00000000002c5ff4>] blk_run_queue+0xd4/0x1a4
[<000000004089ff8c>] scsi_queue_insert+0x22c/0x2a4 [scsi_mod]
[<000000004089779a>] scsi_dispatch_cmd+0x8a/0x3d0 [scsi_mod]
[<000000004089f1ec>] scsi_request_fn+0x568/0x650 [scsi_mod]
...
[<000000004089f1ec>] scsi_request_fn+0x568/0x650 [scsi_mod]
[<00000000002c5ff4>] blk_run_queue+0xd4/0x1a4
[<000000004089ff8c>] scsi_queue_insert+0x22c/0x2a4 [scsi_mod]
[<000000004089779a>] scsi_dispatch_cmd+0x8a/0x3d0 [scsi_mod]
[<000000004089f1ec>] scsi_request_fn+0x568/0x650 [scsi_mod]
[<00000000002c5ff4>] blk_run_queue+0xd4/0x1a4
[<000000004089fa9e>] scsi_run_host_queues+0x196/0x230 [scsi_mod]
[<00000000409eba28>] zfcp_erp_thread+0x2638/0x3080 [zfcp]
[<0000000000107462>] kernel_thread_starter+0x6/0xc
[<000000000010745c>] kernel_thread_starter+0x0/0xc
<0>Kernel panic - not syncing: Corrupt kernel stack, can't continue.
This stack overflow occurred during tests on s390 using zfcp.
Recursion depth for this panic was 19.
Usually recursion between blk_run_queue and a request_fn is avoided
using QUEUE_FLAG_REENTER. But this does not help if the scsi stack
tries to flush the starved_list of a scsi_host.
Limit recursion depth when flushing the starved_list
of a scsi_host.
Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Hi,
Reading the Intel VSC and AHCI it seems like writing 0x302 is incorrect.
The only valid values are 4, 1 and 0. Writing 4 disables the
PHY.
Signed-off-by: Martin Hicks <mort@bork.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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pdc_adma was overlooked and broken by the irq-pio patch:
Only HSM_ST_LAST interrupts should be delivered to this LLDD.
Adding ATA_FLAG_PIO_POLLING to pdc_adma fixes the problem (temporarily),
before we convert the irq handler of pdc_adma to handle all interrupts.
Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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SCSI EH locks door if sdev->locked is set. Sometimes door lock
command fails continuously (e.g. when medium is not present) and as
libata uses EH to acquire sense data, this easily creates a loop where
a failed lock door invokes EH and EH issues lock door on completion.
This patch clears sdev->locked on door lock failure to break this
loop. This problem has been spotted and diagnosed by Unicorn Chang
<uchang@tw.ibm.com>.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix a sata debug print statement that still uses an old variable name.
Signed-off-by: Keith Owens <kaos@ocs.com.au>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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A recent drivers base commit:
3e95637a48820ff8bedb33e6439def96ccff1de5
Caused the bus to be added to dev_printk, so now our SCSI inquiry short
messages print like this:
scsiscsi 2:0:0:0: Direct access IBM-ESXS ST973401SS B519 PQ: 0 ANSI: 5
Just remove the "scsi" from the sdev_printk to compensate.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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- Replace scsi_device_types array API with scsi_device_type function API.
Gets rid of a lot of common code, as well as being easier to use.
- Add the new device types in SPC4 r05a, and rename some of the older ones.
- Reformat the printing of inquiry data; now fits on one line and
includes PQ.
I think I've addressed all the feedback from the previous versions. My
current test box prints:
scsi 2:0:1:0: Direct access HP 18.2G ATLAS10K3_18_SCA HP05 PQ: 0 ANSI: 2
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Bump the ipr driver version to 2.1.4.
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Fix up a logic error in the checking for valid sense data.
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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The ipr driver currently translates adapter recovered errors
to DID_ERROR. This patch fixes this to translate these
errors to success instead.
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Add definitions for some SAS error codes that can be
logged by ipr SAS adapters.
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Add some hardware defined types for SATA. This is required
by future patches to add SATA support to ipr.
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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SCSI folk forgot to fix up all the uses of 'buffer' before deleting
this struct member. Do it for them to rescue the resulting build
failures.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The NCR5380-based SCSI cards need the SCSI SPI transport selected
to build correctly.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The hptiop just got merged with a horrible amount of really bad ioctl
code that is against the standards for new scsi drivers. This patch
backs it out (and fixes a small bug where scsi_add_host is called to
early). We can re-add proper APIs once we agree on them.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Conflicts:
arch/ia64/hp/sim/simscsi.c
Stylistic differences in two separate fixes for buffer->request_buffer
problem.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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If you examine the queue_work() routine you'll see that it returns
1 on success, 0 if the work is already queued.
This patch corrects the source code documentation for the
scsi_queue_work function.
Signed-off-by: Michael Reed <mdr@sgi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Currently it is impossible to reset provided by Qlogic QLA2xxx driver
SCSI devices externally using corresponding sg devices, particularly via
sg_reset utility, because qla2xxx driver in qla2xxx_eh_device_reset()
function checks if the input scsi_cmnd has its private data (CMD_SP())
attached. Then the found pointer isn't used anywhere inside of
qla2xxx_eh_device_reset(). If the RESET request comes from sg device, it
doesn't have such private data.
The attached patch removes check for non-NULL CMD_SP() from
qla2xxx_eh_device_reset(), hence allows to reset QLA2xxx's devices using
corresponding sg devices.
AV: change applies to bus/host reset handlers as well.
Signed-off-by: Vladislav Bolkhovitin <vst@vlnb.net>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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ISP24xx.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Change version number to 8.1.8
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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ID String and Message fixes
- Fix switch symbolic name registration to match cross-OS values
- Replace printk's with more standard lpfc_printf_log calls
- Make all lpfc_printf_log message numbers unique
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Short bug fixes:
- Fix iocbq list corruption due to missing list_del's in ct handling
- Missing unlock in lpfc_sli_next_iotag()
- Fix initialization of can_queue value
- Differentiate sysfs mailbox errors with different codes.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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lpfc_online
Fix race condition between lpfc_sli_issue_mbox and lpfc_online
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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needing to be longer
Fix failing firmware download due to mailbox delays needing to be longer.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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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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Remove a lot of duplicate #defines from the advansys driver,
and make them look like PCI IDs as defined elsewhere in the kernel.
Also add a module table so that it automatically gets picked up
by tools relying on modinfo output (like say, distro installers).
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.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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The sysfs files in arcmsr are non-standard in that they aren't simple
filename value pairs, the values actually contain preceeding text which
would have to be parsed. The idea of sysfs files is that the file name
is the description and the contents is a simple value.
Fix up arcmsr to conform to this standard.
Acked-By: Erich Chen <erich@areca.com.tw>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Remove sysfs_remove_bin_file() return-value checking from the areca driver.
There's nothing a driver can do if sysfs file removal fails, so we'll soon be
changing sysfs_remove_bin_file() to internally print a diagnostic and to
return void.
Cc: Erich Chen <erich@areca.com.tw>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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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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