Commit Graph

287611 Commits

Author SHA1 Message Date
Neerav Parikh a9277e7783 [SCSI] scsi_transport_fc: Getting FC Port Speed in sync with FC-GS
The values for the 4G and 10G speeds are not in sync with
definitions in SM-HBA/FC-GS-x/etc.
This patch brings them in sync to these specifications.

The values are converted to strings when represented via
sysfs attribute, hence that should cover for user space
apps as they may not see any change.

Signed-off-by: Neerav Parikh <neerav.parikh@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Acked-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:57 -06:00
Neerav Parikh bb8ef587a7 [SCSI] scsi_transport_fc: Add FDMI host attributes
This adds FC-GS Fabric Device Management Interface
(FDMI) related attributes to fc_host_attr structure.

This is in preparation for allowing FDMI attributes
to be registered via libfc.

Signed-off-by: Neerav Parikh <neerav.parikh@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Acked-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:57 -06:00
Akinobu Mita 263d9401a3 [SCSI] hpsa: use find_first_zero_bit
Use find_first_zero_bit to find the first cleared bit in a memory region.

This also includes the following minor changes.
- Use bitmap_zero
- Reduce unnecessary atomic bitops usage

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:57 -06:00
Douglas Gilbert de13e9654e [SCSI] scsi_debug: GET LBA STATUS response length correction
The SCSI GET LBA STATUS command was introduced in SBC-3 revision
20 in September 2009. At that time the Parameter Data Length
field in the response had an associated byte offset of 8.

Then in SBC-3 revision 25 (October 2010) that byte offset was
changed to 4. The sg_get_lba_status utility in sg3_utils version
1.33 (released earlier today) has been changed to calculate
the newer response length. However the implementation of
GET LBA STATUS command in the scsi_debug driver still uses the
original byte offset.

modify the Parameter Data Length field value in the GET LBA STATUS command
response to comply with the change in SBC-3 revision 25

Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:57 -06:00
Scott Teel bd9244f7b9 [SCSI] hpsa: update device attributes when they change
Certain types of changes to devices should not be interpreted as a device
change that would cause the device to be removed and re-added.  These include
RAID level and Firmware revision changes.  However, these attribute changes DO
need to be reflected in the controller info structure's dev structure list, so
that sysfs and /proc info files for the devices will reflect the new values.

Signed-off-by: Scott Teel <scott.stacy.teel@hp.com>
Acked-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:57 -06:00
Scott Teel 4f4eb9f1d8 [SCSI] hpsa: improve naming on external target device functions
Reduce confusion and inaccuracy caused by dated naming of vars and functions
referring to external target devices.

CURRENT NAMING:                PROPOSED NAMING:

"MSA2xxx devices"              "external target devices"
msa2xxx_model                  ext_target_model
is_msa2xxx                     is_ext_target
add_msa2xxx_enclosure          add_ext_target_dev
nmsa2xxx_enclosures            n_ext_target_devs

Signed-off-by: Scott Teel <scott.teel@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:56 -06:00
Scott Teel aca4a5200d [SCSI] hpsa: eliminate 8 external target limitation
Driver limits SAS external target IDs to range 1-8.
Need to increase limit and clean up overlapping concepts of targets and paths
in the code.

There are several defined constants that control this:
HPSA_MAX_TARGETS_PER_CTLR     16
MAX_MSA2XXX_ENCLOSURES        32
HPSA_MAX_PATHS                8

We can condense this to one constant:
MAX_EXT_TARGETS               32

SAS switches allow for 8 connections, and there is capacity for 4 switches per
enclosure in largest blade enclosure type.

Signed-off-by: Scott Teel <scott.teel@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:56 -06:00
Stephen M. Cameron 1f310bde46 [SCSI] hpsa: refactor hpsa_figure_bus_target_lun
It should call hpsa_set_bus_target_lun rather
than individually setting bus, target and lun.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:56 -06:00
Stephen M. Cameron bbef6c0ce8 [SCSI] hpsa: make target and lun match what SCSI REPORT LUNs returns
Some distros have a "rescan-scsi-bus.sh" script which depends on
SCSI REPORT LUNs not reporting something different than what the
driver tells the kernel, even if the driver uses scan_start and
scan_finished methods of the SCSI host template to override the
usual SCSI midlayer discovery code.  Previously, 1 was added to
the LUN to make room to insert the RAID controller device at
LUN 0.  Now, the RAID controller is moved to bus 3, and 1 is no
longer added to the LUN.  However, SCSI REPORT LUNS on Smart Array
doesn't report physical devices like tape drives or auto-loaders
as it turns out, so those particular device types still won't match.
Generally the logical drives are reported first however, so at
least those should match.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:56 -06:00
Stephen M. Cameron 9bc3711cbb [SCSI] hpsa: Fix problem with MSA2xxx devices
Upgraded firmware on Smart Array P7xx (and some others) made them show up as
SCSI revision 5 devices and this caused the driver to fail to map MSA2xxx
logical drives to the correct bus/target/lun.  A symptom of this would be that
the target ID of the logical drives as presented by the external storage array
is ignored, and all such logical drives are assigned to target zero,
differentiated only by LUN.  Some multipath software reportedly does not deal
well with this behavior, failing to recognize different paths to the same
device as such.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Scott Teel <scott.teel@hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:56 -06:00
Stephen M. Cameron f79cfec6b1 [SCSI] hpsa: factor out driver name
Sometimes, for testing purposes (e.g. testing rmmod on a system
that normally boots using hpsa) it's nice to rename the driver
and split it into two drivers and restrict it to certain
controllers.  This makes that easier.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:55 -06:00
Stephen M. Cameron b705690d8d [SCSI] hpsa: combine hpsa_scsi_detect and hpsa_register_scsi
hpsa_register_scsi just calls hpsa_scsi_detect.  Move
the guts of hpsa_scsi_detect into hpsa_register_scsi and
get rid of hpsa_scsi_detect.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:55 -06:00
Stephen M. Cameron d66ae08bad [SCSI] hpsa: removed unneeded structure member max_sg_entries and fix badly named constant MAXSGENTRIES
We had both h->max_sg_entries and h->maxsgentries in the per controller
structure which is terribly confusing.  max_sg_entries was really
just a constant, 32, which defines how big the "block fetch table"
is, which is as large as the max number of SG elements embedded
within a command (excluding SG elements in chain blocks).

MAXSGENTRIES was the constant used to denote the max number of SG
elements embedded within a command, also a poor name.

So renamed MAXSGENTREIS to SG_ENTRIES_IN_CMD, and removed
h->max_sg_entries and replaced it with SG_ENTRIES_IN_CMD.

h->maxsgentries is unchanged, and is the maximum number of sg
elements the controller will support in a command, including
those in chain blocks, minus 1 for the chain block pointer..

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:55 -06:00
Stephen M. Cameron 55e14e764d [SCSI] hpsa: fix per device memory leak on driver unload
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:55 -06:00
Vikas Chaudhary 26b937b2a3 [SCSI] qla4xxx: Update driver version to 5.02.00-k13
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:55 -06:00
Vikas Chaudhary 3254dbe9d9 [SCSI] qla4xxx: Added support to show port_state and port_speed in sysfs
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:54 -06:00
Vikas Chaudhary aeddde2978 [SCSI] scsi_transport_iscsi: Added support to show port_state and port_speed in sysfs
sysfs patch to view port_state:
    /sys/class/iscsi_host/host*/port_state

sysfs patch to view port_speed:
    /sys/class/iscsi_host/host*/port_speed

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:54 -06:00
Vikas Chaudhary 6c1b8789b0 [SCSI] qla4xxx: Added support to show targetalias in sysfs
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:54 -06:00
Vikas Chaudhary 3c5c480118 [SCSI] libiscsi: Added support to show targetalias in sysfs
sysfs patch to view target alias:
  /sys/class/iscsi_session/session*/targetalias

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:54 -06:00
James Smart 331954cfd8 [SCSI] lpfc 8.3.29: Update driver version to 8.3.29
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:54 -06:00
James Smart b42c07c8ad [SCSI] lpfc 8.3.29: Remove GFP_KERNEL allocation while lock is held
Note: this is a replacement patch for the issue pointed out in
http://www.gossamer-threads.com/lists/linux/kernel/1477270

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:53 -06:00
James Smart 728599090a [SCSI] lpfc 8.3.29: Locking fix and Memory leak Fixes
Locking fix and Memory leak Fixes

- Fix Locking code raises IRQ twice (NA)
- Fix mailbox and vpi memory leaks (126818)

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:53 -06:00
James Smart eff4a01b6e [SCSI] lpfc 8.3.29: FC Discovery state machine fixes
FC Discovery state machine fixes.

- Fix bug with driver returning the inactive ndlp (125743)
- Fix discovery problem when in pt2pt by copying old ndlp state before
  state change (126887)
- Fix ndlp nodelist not empty wait timeout during driver unloading (127052)

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:53 -06:00
James Smart acd6859b08 [SCSI] lpfc 8.3.29: T10 Diff fixes and enhancements
T10 Diff fixes and enhancements:

- Add SLI4 Lancer support for T10 DIF / BlockGuard (121980)
- Fix SLI4 BlockGuard behavior when protection data is generated by HBA (121980)
- Enhance debugfs for injecting T10 DIF errors (123966, 132966)
- Fix Incorrect usage of bghm for BlockGuard errors (127022)

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:52 -06:00
James Smart 6b5151fd7b [SCSI] lpfc 8.3.29: SLI related fixes
SLI related fixes:

- Fix REG_RPI fails on SLI4 HBA putting NPort into NPR state (126230)
- Fix ELS FDISC failing with local reject / invalid RPI. (126350)
- Fix reset port when reset is needed during fw_dump (125807)
- Fix unbounded firmware revision string from port cause panic (126560)
- Fix driver behavior when receiving an ADISC (126654)
- Fix driver not returning when bad ndlp found in abts error event
  handling (126209)
- Add more driver logs in area of SLI4 port error attention and reset
  recovery (126813, 124466)
- Fix failure in handling large CQ/EQ identifiers in an IOV
  environment (126856)
- Fix for driver using duplicate RPIs after lancer port reset (126723)
- Clear vport->fc_myDID in lpfc_els_issue_fdisc to guarentee a
  zero SID (126779, 126897)
- Fix for SLI4 Port delivery for BLS ABORT ACC (126289)

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:52 -06:00
James Smart 3ef6d24cd9 [SCSI] lpfc 8.3.29: BSG and User interface fixes
BSG and User interface fixes:

- Fix driver processing an els command using 16Gb FC Adapter (126345)
- Change SLI4 FC port internal loopback to inner internal (126409)
- Fix bug with driver dump command type 4 using 16Gb FC Adapter (126406)
- Create character device to take a reference on the driver (126082)

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:52 -06:00
Mark Salyzyn 5954d7380f [SCSI] pm8001: deficient responses to IO_XFER_ERROR_BREAK and IO_XFER_OPEN_RETRY_TIMEOUT
IO_XFER_ERROR_BREAK and IO_XFER_OPEN_RETRY_TIMEOUT are deficient of the
required actions as outlined in the programming manual for the pm8001. Due to
the overlapping code requirements of these recovery responses, we found it
necessary to bundle them together into one patch.

When a break is received during the command phase (ssp_completion), this is a
result of a timeout or interruption on the bus. Logic suggests that we should
retry the command.

When a break is received during the data-phase (ssp_event), the task must be
aborted on the target or it will retain a data-phase lock turning the target
reticent to all future media commands yet will successfully respond to TUR,
INQUIRY and ABORT leading eventually to target failure through several
abort-cycle loops.

The open retry interval is exceedingly short resulting in occasional target
drop-off during expander resets or when targets push-back during bad-block
remapping. Increased effective timeout from 130ms to 1.5 seconds for each try
so as to trigger after the administrative inquiry/tur timeout in the scsi
subsystem to keep error-recovery harmonics to a minimum.

When an open retry timeout event is received, the action required by the
targets is to issue an abort for the outstanding command then logic suggests
we retry the command as this state is usually an indication of a credit block
or busy condition on the target.

We hijacked the pm8001_handle_event work queue handler so that it will handle
task as an argument instead of device for the workers in support of the
deferred handling outlined above.

Moderate to Heavy bad-path testing on a 2.6.32 vintage kernel, compile-testing
on scsi-misc-2.6 kernel ...

Signed-off-by: Mark Salyzyn <mark_salyzyn@xyratex.com>
Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:52 -06:00
Mark Salyzyn d95d00016f [SCSI] pm8001: Add FUNC_GET_EVENTS
Jack noticed I dropped a patch fragment associated with a flags automatic
variable in mpi_set_phys_g3_with_ssc (ooops) and that the pre-emptive locking
that piggy-backed this patch was not in-fact necessary because of underlying
atomic accesses to the hardware. Here is the updated patch fixing these two
issues.

The pm8001 driver is missing the FUNC_GET_EVENTS handler in the phy control
function. Since the pm8001_bar4_shift function was not designed to be called
at runtime, added locking surrounding the adjustment for all accesses.

Signed-off-by: Mark Salyzyn <mark_salyzyn@xyratex.com>
Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:51 -06:00
Mark Salyzyn 5c4fb76af3 [SCSI] pm8001: fix lockup on phy_control hard reset.
pm8001_phy_control PHY_FUNC_HARD_RESET locks up on second try via
smp_phy_control because response HW_EVENT_PHY_START_STATUS fails to complete
previous command. The PM8001F_RUN_TIME flag is not treated as a bit, but a
state in all readers, yet once we are operational or in the run time state,
the flags use a bit-set operation.

Signed-off-by: Mark Salyzyn <mark_salyzyn@xyratex.com>
Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:51 -06:00
Oliver Neukum 46a243f72d [SCSI] st: implement PM
This implements basic power management for SCSI tapes.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Acked-by: Kai Mäkisara <kai.makisara@kolumbus.fi>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-19 08:08:51 -06:00
Alan Stern fea6d607e1 [SCSI] scsi_pm: Fix bug in the SCSI power management handler
This patch (as1520) fixes a bug in the SCSI layer's power management
implementation.

LUN scanning can be carried out asynchronously in do_scan_async(), and
sd uses an asynchronous thread for the time-consuming parts of disk
probing in sd_probe_async().  Currently nothing coordinates these
async threads with system sleep transitions; they can and do attempt
to continue scanning/probing SCSI devices even after the host adapter
has been suspended.  As one might expect, the outcome is not ideal.

This is what the "prepare" stage of system suspend was created for.
After the prepare callback has been called for a host, target, or
device, drivers are not allowed to register any children underneath
them.  Currently the SCSI prepare callback is not implemented; this
patch rectifies that omission.

For SCSI hosts, the prepare routine calls scsi_complete_async_scans()
to wait until async scanning is finished.  It might be slightly more
efficient to wait only until the host in question has been scanned,
but there's currently no way to do that.  Besides, during a sleep
transition we will ultimately have to wait until all the host scanning
has finished anyway.

For SCSI devices, the prepare routine calls async_synchronize_full()
to wait until sd probing is finished.  The routine does nothing for
SCSI targets, because asynchronous target scanning is done only as
part of host scanning.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: <stable@kernel.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:54:19 -06:00
Huajun Li 267a6ad4ae [SCSI] scsi_scan: Fix 'Poison overwritten' warning caused by using freed 'shost'
In do_scan_async(), calling scsi_autopm_put_host(shost) may reference
freed shost, and cause Posison overwitten warning.
Yes, this case can happen, for example, an USB is disconnected just
when do_scan_async() thread starts to run, then scsi_host_put() called
in scsi_finish_async_scan() will lead to shost be freed(because the
refcount of shost->shost_gendev decreases to 1 after USB disconnects),
at this point, if references shost again, system will show following
warning msg.

To make scsi_autopm_put_host(shost) always reference a valid shost,
put it just before scsi_host_put() in function
scsi_finish_async_scan().

[  299.281565] =============================================================================
[  299.281634] BUG kmalloc-4096 (Tainted: G          I ): Poison overwritten
[  299.281682] -----------------------------------------------------------------------------
[  299.281684]
[  299.281752] INFO: 0xffff880056c305d0-0xffff880056c305d0. First byte
0x6a instead of 0x6b
[  299.281816] INFO: Allocated in scsi_host_alloc+0x4a/0x490 age=1688
cpu=1 pid=2004
[  299.281870] 	__slab_alloc+0x617/0x6c1
[  299.281901] 	__kmalloc+0x28c/0x2e0
[  299.281931] 	scsi_host_alloc+0x4a/0x490
[  299.281966] 	usb_stor_probe1+0x5b/0xc40 [usb_storage]
[  299.282010] 	storage_probe+0xa4/0xe0 [usb_storage]
[  299.282062] 	usb_probe_interface+0x172/0x330 [usbcore]
[  299.282105] 	driver_probe_device+0x257/0x3b0
[  299.282138] 	__driver_attach+0x103/0x110
[  299.282171] 	bus_for_each_dev+0x8e/0xe0
[  299.282201] 	driver_attach+0x26/0x30
[  299.282230] 	bus_add_driver+0x1c4/0x430
[  299.282260] 	driver_register+0xb6/0x230
[  299.282298] 	usb_register_driver+0xe5/0x270 [usbcore]
[  299.282337] 	0xffffffffa04ab03d
[  299.282364] 	do_one_initcall+0x47/0x230
[  299.282396] 	sys_init_module+0xa0f/0x1fe0
[  299.282429] INFO: Freed in scsi_host_dev_release+0x18a/0x1d0 age=85
cpu=0 pid=2008
[  299.282482] 	__slab_free+0x3c/0x2a1
[  299.282510] 	kfree+0x296/0x310
[  299.282536] 	scsi_host_dev_release+0x18a/0x1d0
[  299.282574] 	device_release+0x74/0x100
[  299.282606] 	kobject_release+0xc7/0x2a0
[  299.282637] 	kobject_put+0x54/0xa0
[  299.282668] 	put_device+0x27/0x40
[  299.282694] 	scsi_host_put+0x1d/0x30
[  299.282723] 	do_scan_async+0x1fc/0x2b0
[  299.282753] 	kthread+0xdf/0xf0
[  299.282782] 	kernel_thread_helper+0x4/0x10
[  299.282817] INFO: Slab 0xffffea00015b0c00 objects=7 used=7 fp=0x
      (null) flags=0x100000000004080
[  299.282882] INFO: Object 0xffff880056c30000 @offset=0 fp=0x          (null)
[  299.282884]
...

Signed-off-by: Huajun Li <huajun.li.lee@gmail.com>
Cc: stable@kernel.org
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:52:48 -06:00
Chad Dupuis 477e3e9ffc [SCSI] qla2xxx: Update version number to 8.03.07.13-k.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:50:20 -06:00
Giridhar Malavali 2cc97965e4 [SCSI] qla2xxx: Proper detection of firmware abort error code for ISP82xx.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:49:58 -06:00
Shyam Sundar 5a034bb3c3 [SCSI] qla2xxx: Remove resetting memory during device initialization for ISP82xx.
With IOs running and PegHalt testing the system reboots when memory reset is
performed during device initialization.

Signed-off-by: Shyam Sundar <shyam.sundar@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:49:37 -06:00
Giridhar Malavali d33609607c [SCSI] qla2xxx: Complete mailbox command timedout to avoid initialization failures during next reset cycle.
Complete the mailbox command timed out before initiating another abort cycle
to recover so that mailbox commands issued during next reset cycle don't fail
due to pending mailbox access timeout.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:49:01 -06:00
Michael Christie c7a9927842 [SCSI] qla2xxx: Remove check for null fcport from host reset handler.
Remove the check for a NULL fcport so that the host reset will run
unconditionally to unwedge any commands before the device is offlined and to
prevent a quick runthrough of the SCSI error handling.

Signed-off-by: Michael Christie <mchristi@redhat.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:48:29 -06:00
Andrew Vasquez 67ddda353c [SCSI] qla2xxx: Correct out of bounds read of ISP2200 mailbox registers.
ISP2200 adapters only have 24 mailbox registers so read only that many.

Reported-by: Olatunji Ruwase <oor@cs.cmu.edu>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:47:27 -06:00
Andrew Vasquez 7cb0eb1c17 [SCSI] qla2xxx: Remove errant clearing of MBX_INTERRUPT flag during CT-IOCB processing.
This can cause instability in mailbox command state machine handling.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:46:46 -06:00
Andrew Vasquez 4ba988db8d [SCSI] qla2xxx: Clear options-flags while issuing stop-firmware mbx command.
Not clearing the options flags in mbx1 could lead the firmware
into interpreting old data in mbx1 through mbx8.  This could
lead to inadvertent DMA read/write operations to stale memory.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:44:51 -06:00
Andrew Vasquez d051a5aa1c [SCSI] qla2xxx: Add an "is reset active" helper.
Many locations within the driver would use an inconsistent set of
checks to determine ISP-reset state.  Consolidate the checks into
this inline-helper.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:43:26 -06:00
Chad Dupuis aa651be83d [SCSI] qla2xxx: Add check for null fcport references in qla2xxx_queuecommand.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:42:10 -06:00
Arun Easi a55aac79de [SCSI] qla2xxx: Propagate up abort failures.
Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:40:20 -06:00
Dave Jiang 6d7938f46f [SCSI] isci: Fix NULL ptr dereference when no firmware is being loaded
NULL orom ptr passed in for verification which caused page fault.
We will set a default version when we don't have orom struct.

Reported-by: Dan Melnic <dan@seamicro.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:37:00 -06:00
Kleber Sacilotto de Souza a92fa25c63 [SCSI] ipr: fix eeh recovery for 64-bit adapters
In some scenarios, an EEH error can take a long time to be detected, since the
driver issues an MMIO read only after a device reset command times out and we
try to reset the adapter. This patch adds some code in ipr_cancel_op() to read
a hardware register so we detect the error earlier in case the op is being
aborted because of a timeout caused by a frozen adapter slot.

Another problem in such scenarios is that in __ipr_eh_host_reset() we change the
dump state flag from WAIT_FOR_DUMP to GET_DUMP, and the flag is later changed
from GET_DUMP to READ_DUMP in ipr_reset_restore_cfg_space(). However, if when
__ipr_eh_host_reset() is called by the SCSI error handling the function
ipr_reset_restore_cfg_space() has already been called by the PCI EEH code, we
end up with the flag in an inconsistent state. This patch also prevents this
problem.

Signed-off-by: Kleber Sacilotto de Souza <klebers@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-18 08:33:13 -06:00
Alexey Khoroshilov 7fbd764881 [SCSI] mpt2sas: Fix mismatch in mpt2sas_base_hard_reset_handler() mutex lock-unlock
If ioc->pci_error_recovery is set, goto out in mpt2sas_base_hard_reset_handler()
leads to unlock unheld ioc->reset_in_progress_mutex.

The patch fixes the issue by jumping afer mutex_unlock() call.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: "Nandigama, Nagalakshmi" <Nagalakshmi.Nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-12 19:39:28 -06:00
Linus Torvalds 3ec1e88b33 Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Says Jens:

 "Time to push off some of the pending items.  I really wanted to wait
  until we had the regression nailed, but alas it's not quite there yet.
  But I'm very confident that it's "just" a missing expire on exit, so
  fix from Tejun should be fairly trivial.  I'm headed out for a week on
  the slopes.

  - Killing the barrier part of mtip32xx.  It doesn't really support
    barriers, and it doesn't need them (writes are fully ordered).

  - A few fixes from Dan Carpenter, preventing overflows of integer
    multiplication.

  - A fixup for loop, fixing a previous commit that didn't quite solve
    the partial read problem from Dave Young.

  - A bio integer overflow fix from Kent Overstreet.

  - Improvement/fix of the door "keep locked" part of the cdrom shared
    code from Paolo Benzini.

  - A few cfq fixes from Shaohua Li.

  - A fix for bsg sysfs warning when removing a file it did not create
    from Stanislaw Gruszka.

  - Two fixes for floppy from Vivek, preventing a crash.

  - A few block core fixes from Tejun.  One killing the over-optimized
    ioc exit path, cleaning that up nicely.  Two others fixing an oops
    on elevator switch, due to calling into the scheduler merge check
    code without holding the queue lock."

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: fix lockdep warning on io_context release put_io_context()
  relay: prevent integer overflow in relay_open()
  loop: zero fill bio instead of return -EIO for partial read
  bio: don't overflow in bio_get_nr_vecs()
  floppy: Fix a crash during rmmod
  floppy: Cleanup disk->queue before caling put_disk() if add_disk() was never called
  cdrom: move shared static to cdrom_device_info
  bsg: fix sysfs link remove warning
  block: don't call elevator callbacks for plug merges
  block: separate out blk_rq_merge_ok() and blk_try_merge() from elevator functions
  mtip32xx: removed the irrelevant argument of mtip_hw_submit_io() and the unused member of struct driver_data
  block: strip out locking optimization in put_io_context()
  cdrom: use copy_to_user() without the underscores
  block: fix ioc locking warning
  block: fix NULL icq_cache reference
  block,cfq: change code order
2012-02-11 10:07:11 -08:00
Tejun Heo d8c66c5d59 block: fix lockdep warning on io_context release put_io_context()
11a3122f6c "block: strip out locking optimization in put_io_context()"
removed ioc_lock depth lockdep annoation along with locking
optimization; however, while recursing from put_io_context() is no
longer possible, ioc_release_fn() may still end up putting the last
reference of another ioc through elevator, which wlil grab ioc->lock
triggering spurious (as the ioc is always different one) A-A deadlock
warning.

As this can only happen one time from ioc_release_fn(), using non-zero
subclass from ioc_release_fn() is enough.  Use subclass 1.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-02-11 12:37:25 +01:00
Linus Torvalds 8df54d622a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Quoth David:

1) GRO MAC header comparisons were ethernet specific, breaking other
   link types.  This required a multi-faceted fix to cure the originally
   noted case (Infiniband), because IPoIB was lying about it's actual
   hard header length.  Thanks to Eric Dumazet, Roland Dreier, and
   others.

2) Fix build failure when INET_UDP_DIAG is built in and ipv6 is modular.
   From Anisse Astier.

3) Off by ones and other bug fixes in netprio_cgroup from Neil Horman.

4) ipv4 TCP reset generation needs to respect any network interface
   binding from the socket, otherwise route lookups might give a
   different result than all the other segments received.  From Shawn
   Lu.

5) Fix unintended regression in ipv4 proxy ARP responses, from Thomas
   Graf.

6) Fix SKB under-allocation bug in sh_eth, from Yoshihiro Shimoda.

7) Revert skge PCI mapping changes that are causing crashes for some
   folks, from Stephen Hemminger.

8) IPV4 route lookups fill in the wildcarded fields of the given flow
   lookup key passed in, which is fine most of the time as this is
   exactly what the caller's want.  However there are a few cases that
   want to retain the original flow key values afterwards, so handle
   those cases properly.  Fix from Julian Anastasov.

9) IGB/IXGBE VF lookup bug fixes from Greg Rose.

10) Properly null terminate filename passed to ethtool flash device
    method, from Ben Hutchings.

11) S3 resume fix in via-velocity from David Lv.

12) Fix double SKB free during xmit failure in CAIF, from Dmitry
    Tarnyagin.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (72 commits)
  net: Don't proxy arp respond if iif == rt->dst.dev if private VLAN is disabled
  ipv4: Fix wrong order of ip_rt_get_source() and update iph->daddr.
  netprio_cgroup: fix wrong memory access when NETPRIO_CGROUP=m
  netprio_cgroup: don't allocate prio table when a device is registered
  netprio_cgroup: fix an off-by-one bug
  bna: fix error handling of bnad_get_flash_partition_by_offset()
  isdn: type bug in isdn_net_header()
  net: Make qdisc_skb_cb upper size bound explicit.
  ixgbe: ethtool: stats user buffer overrun
  ixgbe: dcb: up2tc mapping lost on disable/enable CEE DCB state
  ixgbe: do not update real num queues when netdev is going away
  ixgbe: Fix broken dependency on MAX_SKB_FRAGS being related to page size
  ixgbe: Fix case of Tx Hang in PF with 32 VFs
  ixgbe: fix vf lookup
  igb: fix vf lookup
  e1000: add dropped DMA receive enable back in for WoL
  gro: more generic L2 header check
  IPoIB: Stop lying about hard_header_len and use skb->cb to stash LL addresses
  zd1211rw: firmware needs duration_id set to zero for non-pspoll frames
  net: enable TC35815 for MIPS again
  ...
2012-02-10 14:18:46 -08:00
Thomas Graf 70620c46ac net: Don't proxy arp respond if iif == rt->dst.dev if private VLAN is disabled
Commit 653241 (net: RFC3069, private VLAN proxy arp support) changed
the behavior of arp proxy to send arp replies back out on the interface
the request came in even if the private VLAN feature is disabled.

Previously we checked rt->dst.dev != skb->dev for in scenarios, when
proxy arp is enabled on for the netdevice and also when individual proxy
neighbour entries have been added.

This patch adds the check back for the pneigh_lookup() scenario.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-02-10 15:13:36 -05:00