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One-element arrays are deprecated, and we are replacing them with flexible
array members instead. So, replace one-element array with flexible-array
member in struct MR_DRV_RAID_MAP and refactor the the rest of the code
accordingly.
This helps with the ongoing efforts to tighten the FORTIFY_SOURCE routines
on memcpy().
Link: https://github.com/KSPP/linux/issues/79
Link: https://github.com/KSPP/linux/issues/109
Link: https://lore.kernel.org/r/4495ce170c8ef088a10f1abe0e7c227368f43242.1660592640.git.gustavoars@kernel.org
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Enhanced-by: Kees Cook <keescook@chromium.org> # Change in struct MR_FW_RAID_MAP_ALL
Although qla2xxx driver is calling schedule_{,delayed}_work() from 10
locations, I assume that flush_scheduled_work() from qlt_stop_phase1()
needs to flush only works scheduled by qlt_sched_sess_work(), for this loop
continues while "struct qla_tgt"->sess_works_list is not empty.
Link: https://lore.kernel.org/r/133c6723-90b6-5c8b-72b4-cc01eeb3a8c0@I-love.SAKURA.ne.jp
Tested-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Currently qlt_stop_phase1() may fail to call flush_scheduled_work(), for
list_empty() may return true as soon as qlt_sess_work_fn() called
list_del(). In order to close this race window, check list_empty() after
calling flush_scheduled_work().
If this patch causes problems, please check commit c4f135d64382
("workqueue: Wrap flush_workqueue() using a macro"). We are on the way to
remove all flush_scheduled_work() calls from the kernel.
Link: https://lore.kernel.org/r/7f24469d-9e39-3398-d851-329b54c0b923@I-love.SAKURA.ne.jp
Tested-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
"struct qla_tgt"->del_sess_list is no longer used since commit
726b85487067 ("qla2xxx: Add framework for async fabric discovery").
Link: https://lore.kernel.org/r/0c335e86-5624-b599-5137-f1377419fb0c@I-love.SAKURA.ne.jp
Tested-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Update copyrights to 2022 for files modified in the 14.2.0.6 patch set.
Link: https://lore.kernel.org/r/20220819011736.14141-8-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Update lpfc version to 14.2.0.6.
Link: https://lore.kernel.org/r/20220819011736.14141-7-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The SANDiags feature is unused, and related code is removed.
Link: https://lore.kernel.org/r/20220819011736.14141-6-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add capability to specify warning notification period to help firmware
adjust to congestion accordingly.
Link: https://lore.kernel.org/r/20220819011736.14141-5-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The kernel test robot reported the following sparse warning:
arch/arm64/include/asm/cmpxchg.h:88:1: sparse: sparse: cast truncates
bits from constant value (369 becomes 69)
On arm64, atomic_xchg only works on 8-bit byte fields. Thus, the macro
usage of LPFC_RXMONITOR_TABLE_IN_USE can be unintentionally truncated
leading to all logic involving the LPFC_RXMONITOR_TABLE_IN_USE macro to not
work properly.
Replace the Rx Table atomic_t indexing logic with a new
lpfc_rx_info_monitor structure that holds a circular ring buffer. For
locking semantics, a spinlock_t is used.
Link: https://lore.kernel.org/r/20220819011736.14141-4-jsmart2021@gmail.com
Fixes: 17b27ac59224 ("scsi: lpfc: Add rx monitoring statistics")
Cc: <stable@vger.kernel.org> # v5.15+
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
An error case exit from lpfc_cmpl_ct_cmd_gft_id() results in a call to
lpfc_nlp_put() with a null pointer to a nodelist structure.
Changed lpfc_cmpl_ct_cmd_gft_id() to initialize nodelist pointer upon
entry.
Link: https://lore.kernel.org/r/20220819011736.14141-3-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
During a stress offline/online test in PT2PT topology, target rediscovery
can fail with a specific target vendor array.
When the HBA transitions to online mode it is possible to receive an
unsolicited FLOGI before processing the Link Up event. The received FLOGI
will set the defer_flogi_acc_flag, which instructs the driver to wait until
it transmits its own FLOGI before ACKing the received FLOGI. In this
failure scenario, the link up processing clears the set
defer_flogi_acc_flag before we have sent out the FLOGI. As the target has
the higher WWPN and is responsible for sending the PLOGI, the target is
stuck waiting for its FLOGI_ACC that the driver will never send.
Remove the clear of defer_flogi_acc_flag from Link Up event processing. In
this stress test case, the defer_flogi_acc_flag is cleared during the Link
Down event processing anyways.
Link: https://lore.kernel.org/r/20220819011736.14141-2-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Variable stp is assigned a value that is never read, the assignment and the
variable stp are redundant and can be removed.
Cleans up clang scan build warning:
drivers/scsi/st.c:4253:7: warning: Although the value stored to 'stp'
is used in the enclosing expression, the value is never actually
read from 'stp' [deadcode.DeadStores]
Link: https://lore.kernel.org/r/20220805115652.2340991-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The variable mfiStatus is assigned a value but it is never read. The
assignment is redundant and can be removed. Also remove { } as the return
statement does not need to be in its own code block.
Cleans up clang scan build warning:
drivers/scsi/megaraid/megaraid_sas_base.c:4026:7: warning: Although the
value stored to 'mfiStatus' is used in the enclosing expression, the
value is never actually read from 'mfiStatus' [deadcode.DeadStores]
Link: https://lore.kernel.org/r/20220805115042.2340400-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The variable scb is assigned a value but it is never read. The assignment
is redundant and can be removed. Also replace the != NULL check with the
more usual non-null check idiom.
Cleans up clang scan build warning:
drivers/scsi/initio.c:1169:9: warning: Although the value stored to 'scb'
is used in the enclosing expression, the value is never actually read
from 'scb' [deadcode.DeadStores]
Link: https://lore.kernel.org/r/20220805114100.2339637-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Disable firmware download for ATTO devices where it is not supported.
Link: https://lore.kernel.org/r/20220805174609.14830-2-bgrove@attotech.com
Co-developed-by: Rob Crispo <rcrispo@attotech.com>
Signed-off-by: Rob Crispo <rcrispo@attotech.com>
Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add ATTO's PCI IDs and modify the driver to handle the unique NVRAM
structure used by ATTO's devices.
Link: https://lore.kernel.org/r/20220805174609.14830-1-bgrove@attotech.com
Co-developed-by: Rob Crispo <rcrispo@attotech.com>
Signed-off-by: Rob Crispo <rcrispo@attotech.com>
Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Block the I/Os on the target devices until corresponding target device's
target dev objects are refreshed as part of post controller reset
operation.
Link: https://lore.kernel.org/r/20220804131226.16653-16-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Update the host's SAS ports if there is change in port id or phys. If the
port id is changed, then the driver updates it. If some phys are
enabled/disabled during reset, then driver updates them in STL.
Check for the responding expander devices and update the device handle if
it got changed. Register the expander with STL if it got added during reset
and unregister the expander device if it got removed during reset.
[mkp: include fix for zeroday warning]
Link: https://lore.kernel.org/r/20220804131226.16653-15-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add support for the following SAS transport class callbacks:
- get_linkerrors
- get_enclosure_identifier
- get_bay_identifier
- phy_reset
- phy_enable
- set_phy_speed
- smp_handler
Link: https://lore.kernel.org/r/20220804131226.16653-14-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add framework to issue MPT transport commands to controllers. Also issue
the MPT transport commands to get the manufacturing info of SAS expander
device.
Link: https://lore.kernel.org/r/20220804131226.16653-13-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Register/unregister the SAS, SATA devices to SCSI Transport Layer(STL)
whenever the corresponding device is added/removed from topology.
Link: https://lore.kernel.org/r/20220804131226.16653-12-sreekanth.reddy@broadcom.com
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When device is registered with the STL then get the corresponding device's
target object using the rphy in below callback functions:
- mpi3mr_target_alloc()
- mpi3mr_slave_alloc()
- mpi3mr_slave_configure()
- mpi3mr_slave_destroy()
Link: https://lore.kernel.org/r/20220804131226.16653-11-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Register/unregister the expander devices to SCSI Transport Layer(STL)
whenever the corresponding expander is added/removed from topology.
Link: https://lore.kernel.org/r/20220804131226.16653-10-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Register the SAS, SATA devices to SCSI Transport Layer (STL) only if
multipath capability is disabled in the controller's firmware.
Link: https://lore.kernel.org/r/20220804131226.16653-9-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add the following helper functions:
- Update the host phys with STL
- Remove the device's SAS port with STL
Link: https://lore.kernel.org/r/20220804131226.16653-8-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add the following helper functions:
- Get the device's sas address by reading corresponding device's Device
page0
- Get the expander object from expander list based on expander's handle
- Get the target device object from target device list based on device's
sas address
- Get the expander device object from expander list based on expanders's
sas address
- Get hba port object from hba port table list based on port's port id
Link: https://lore.kernel.org/r/20220804131226.16653-7-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add framework to register and unregister the host and expander phys with
SCSI Transport Layer (STL).
Link: https://lore.kernel.org/r/20220804131226.16653-6-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Enable and process the Enclosure device add event.
Link: https://lore.kernel.org/r/20220804131226.16653-5-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add helper functions to retrieve below controller's config pages:
- SAS IOUnit Page0
- SAS IOUnit Page1
- Driver Page1
- Device Page0
- SAS Phy Page0
- SAS Phy Page1
- SAS Expander Page0
- SAS Expander Page1
- Enclosure Page0
Also add the helper function to set SAS IOUnit Page1.
Link: https://lore.kernel.org/r/20220804131226.16653-4-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add config and transport request related error & info debug flags and
functions.
Link: https://lore.kernel.org/r/20220804131226.16653-2-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Although commit 88f1669019bd ("scsi: sd: Rework asynchronous resume support")
eliminates a delay for some ATA disks after resume, it causes resume of ATA
disks to fail on other setups. See also:
* "Resume process hangs for 5-6 seconds starting sometime in 5.16"
(https://bugzilla.kernel.org/show_bug.cgi?id=215880).
* Geert's regression report
(https://lore.kernel.org/linux-scsi/alpine.DEB.2.22.394.2207191125130.1006766@ramsan.of.borg/).
This is what I understand about this issue:
* During resume, ata_port_pm_resume() starts the SCSI error handler. This
changes the SCSI host state into SHOST_RECOVERY and causes
scsi_queue_rq() to return BLK_STS_RESOURCE.
* sd_resume() calls sd_start_stop_device() for ATA devices. That function
in turn calls sd_submit_start() which tries to submit a START STOP UNIT
command. That command can only be submitted after the SCSI error handler
has changed the SCSI host state back to SHOST_RUNNING.
* The SCSI error handler runs on its own thread and calls
schedule_work(&(ap->scsi_rescan_task)). That causes
ata_scsi_dev_rescan() to be called from the context of a kernel
workqueue. That call hangs in blk_mq_get_tag(). I'm not sure why - maybe
because all available tags have been allocated by sd_submit_start()
calls (this is a guess).
Link: https://lore.kernel.org/r/20220816172638.538734-1-bvanassche@acm.org
Fixes: 88f1669019bd ("scsi: sd: Rework asynchronous resume support")
Cc: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: gzhqyz@gmail.com
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: gzhqyz@gmail.com
Reported-and-tested-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: John Garry <john.garry@huawei.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Since blk_mq_map_queues() and the .map_queues() callbacks always return 0,
change their return type into void. Most callers ignore the returned value
anyway.
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Doug Gilbert <dgilbert@interlog.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: John Garry <john.garry@huawei.com>
Acked-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Link: https://lore.kernel.org/r/20220815170043.19489-3-bvanassche@acm.org
[axboe: fold in fix from Bart]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Passthrough users will set the scsi_cmnd->allowed value and were expecting
up to $allowed retries. The problem is that before:
commit 6aded12b10e0 ("scsi: core: Remove struct scsi_request")
we used to set the retries on the scsi_request then copy them over to
scsi_cmnd->allowed in scsi_setup_scsi_cmnd. With that patch we now set
scsi_cmnd->allowed to 0 in scsi_prepare_cmd and overwrite what the
passthrough user set.
This moves the allowed initialization to after the blk_rq_is_passthrough()
check so it's only done for the non-passthrough path where the ULD
init_command will normally set an allowed value it prefers.
Link: https://lore.kernel.org/r/20220812011206.9157-1-michael.christie@oracle.com
Fixes: 6aded12b10e0 ("scsi: core: Remove struct scsi_request")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Mostly small bug fixes and trivial updates. The major new core update
is a change to the way device, target and host reference counting is
done to try to make it more robust (this change has soaked for a while
to try to winkle out any bugs).
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"Mostly small bug fixes and trivial updates.
The major new core update is a change to the way device, target and
host reference counting is done to try to make it more robust (this
change has soaked for a while to try to winkle out any bugs)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: pm8001: Fix typo 'the the' in comment
scsi: megaraid_sas: Remove redundant variable cmd_type
scsi: FlashPoint: Remove redundant variable bm_int_st
scsi: zfcp: Fix missing auto port scan and thus missing target ports
scsi: core: Call blk_mq_free_tag_set() earlier
scsi: core: Simplify LLD module reference counting
scsi: core: Make sure that hosts outlive targets
scsi: core: Make sure that targets outlive devices
scsi: ufs: ufs-pci: Correct check for RESET DSM
scsi: target: core: De-RCU of se_lun and se_lun acl
scsi: target: core: Fix race during ACL removal
scsi: ufs: core: Correct ufshcd_shutdown() flow
scsi: ufs: core: Increase the maximum data buffer size
scsi: lpfc: Check the return value of alloc_workqueue()
When alloc ctrl mem fails, the reply_map will subsequently be freed in
megasas_free_ctrl_mem(). No need to free it in megasas_alloc_ctrl_mem().
Link: https://lore.kernel.org/r/1659424740-46918-1-git-send-email-kanie@linux.alibaba.com
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When allocating log_to_span fails, kfree(instance->ctrl_context) is called
twice. Remove redundant call.
Link: https://lore.kernel.org/r/1659424729-46502-1-git-send-email-kanie@linux.alibaba.com
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The error path for the SCSI check condition of not ready, target in ALUA
state transition, will result in the failure of that path after the retries
are exhausted. In most cases that is well ahead of the transition timeout
established in the SCSI ALUA device handler.
Instead, reprep the command and re-add it to the queue after a 1 second
delay. This will allow the handler to take care of the timeout and only
fail the path if the target has exceeded the transition expiry timeout
(default 60 seconds). If the expiry timeout is exceeded, the handler will
change the path state from transitioning to standby leading to a path
failure eliminating the potential of this re-prep to continue endlessly. In
most cases the target will exit the transitioning state well before the
expiry timeout but after the retries are exhausted as mentioned.
Additionally remove the scsi_io_completion_reprep() function which provides
little value.
Link: https://lore.kernel.org/r/20220729214110.58576-1-brian@purestorage.com
Reviewed-by: Martin Wilck <mwilck@suse.com>
Acked-by: Krishna Kant <krishna.kant@purestorage.com>
Acked-by: Seamus Connor <sconnor@purestorage.com>
Signed-off-by: Brian Bunker <brian@purestorage.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This partially reverts commit d2b292c3f6fd ("scsi: qla2xxx: Enable ATIO
interrupt handshake for ISP27XX")
For some workloads where the host sends a batch of commands and then
pauses, ATIO interrupt coalesce can cause some incoming ATIO entries to be
ignored for extended periods of time, resulting in slow performance,
timeouts, and aborted commands.
Disable interrupt coalesce and re-enable the dedicated ATIO MSI-X
interrupt.
Link: https://lore.kernel.org/r/97dcf365-89ff-014d-a3e5-1404c6af511c@cybernetics.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
- Add support for syscall stack randomization.
- Add support for atomic operations to the 32 & 64-bit BPF JIT.
- Full support for KASAN on 64-bit Book3E.
- Add a watchdog driver for the new PowerVM hypervisor watchdog.
- Add a number of new selftests for the Power10 PMU support.
- Add a driver for the PowerVM Platform KeyStore.
- Increase the NMI watchdog timeout during live partition migration, to avoid timeouts
due to increased memory access latency.
- Add support for using the 'linux,pci-domain' device tree property for PCI domain
assignment.
- Many other small features and fixes.
Thanks to: Alexey Kardashevskiy, Andy Shevchenko, Arnd Bergmann, Athira Rajeev, Bagas
Sanjaya, Christophe Leroy, Erhard Furtner, Fabiano Rosas, Greg Kroah-Hartman, Greg Kurz,
Haowen Bai, Hari Bathini, Jason A. Donenfeld, Jason Wang, Jiang Jian, Joel Stanley, Juerg
Haefliger, Kajol Jain, Kees Cook, Laurent Dufour, Madhavan Srinivasan, Masahiro Yamada,
Maxime Bizon, Miaoqian Lin, Murilo Opsfelder Araújo, Nathan Lynch, Naveen N. Rao, Nayna
Jain, Nicholas Piggin, Ning Qiang, Pali Rohár, Petr Mladek, Rashmica Gupta, Sachin Sant,
Scott Cheloha, Segher Boessenkool, Stephen Rothwell, Uwe Kleine-König, Wolfram Sang, Xiu
Jianfeng, Zhouyi Zhou.
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Merge tag 'powerpc-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Add support for syscall stack randomization
- Add support for atomic operations to the 32 & 64-bit BPF JIT
- Full support for KASAN on 64-bit Book3E
- Add a watchdog driver for the new PowerVM hypervisor watchdog
- Add a number of new selftests for the Power10 PMU support
- Add a driver for the PowerVM Platform KeyStore
- Increase the NMI watchdog timeout during live partition migration, to
avoid timeouts due to increased memory access latency
- Add support for using the 'linux,pci-domain' device tree property for
PCI domain assignment
- Many other small features and fixes
Thanks to Alexey Kardashevskiy, Andy Shevchenko, Arnd Bergmann, Athira
Rajeev, Bagas Sanjaya, Christophe Leroy, Erhard Furtner, Fabiano Rosas,
Greg Kroah-Hartman, Greg Kurz, Haowen Bai, Hari Bathini, Jason A.
Donenfeld, Jason Wang, Jiang Jian, Joel Stanley, Juerg Haefliger, Kajol
Jain, Kees Cook, Laurent Dufour, Madhavan Srinivasan, Masahiro Yamada,
Maxime Bizon, Miaoqian Lin, Murilo Opsfelder Araújo, Nathan Lynch,
Naveen N. Rao, Nayna Jain, Nicholas Piggin, Ning Qiang, Pali Rohár,
Petr Mladek, Rashmica Gupta, Sachin Sant, Scott Cheloha, Segher
Boessenkool, Stephen Rothwell, Uwe Kleine-König, Wolfram Sang, Xiu
Jianfeng, and Zhouyi Zhou.
* tag 'powerpc-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (191 commits)
powerpc/64e: Fix kexec build error
EDAC/ppc_4xx: Include required of_irq header directly
powerpc/pci: Fix PHB numbering when using opal-phbid
powerpc/64: Init jump labels before parse_early_param()
selftests/powerpc: Avoid GCC 12 uninitialised variable warning
powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address
powerpc/xive: Fix refcount leak in xive_get_max_prio
powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader
powerpc/perf: Include caps feature for power10 DD1 version
powerpc: add support for syscall stack randomization
powerpc: Move system_call_exception() to syscall.c
powerpc/powernv: rename remaining rng powernv_ functions to pnv_
powerpc/powernv/kvm: Use darn for H_RANDOM on Power9
powerpc/powernv: Avoid crashing if rng is NULL
selftests/powerpc: Fix matrix multiply assist test
powerpc/signal: Update comment for clarity
powerpc: make facility_unavailable_exception 64s
powerpc/platforms/83xx/suspend: Remove write-only global variable
powerpc/platforms/83xx/suspend: Prevent unloading the driver
powerpc/platforms/83xx/suspend: Reorder to get rid of a forward declaration
...
- convert arm32 to the common dma-direct code (Arnd Bergmann, Robin Murphy,
Christoph Hellwig)
- restructure the PCIe peer to peer mapping support (Logan Gunthorpe)
- allow the IOMMU code to communicate an optional DMA mapping length
and use that in scsi and libata (John Garry)
- split the global swiotlb lock (Tianyu Lan)
- various fixes and cleanup (Chao Gao, Dan Carpenter, Dongli Zhang,
Lukas Bulwahn, Robin Murphy)
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Merge tag 'dma-mapping-5.20-2022-08-06' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- convert arm32 to the common dma-direct code (Arnd Bergmann, Robin
Murphy, Christoph Hellwig)
- restructure the PCIe peer to peer mapping support (Logan Gunthorpe)
- allow the IOMMU code to communicate an optional DMA mapping length
and use that in scsi and libata (John Garry)
- split the global swiotlb lock (Tianyu Lan)
- various fixes and cleanup (Chao Gao, Dan Carpenter, Dongli Zhang,
Lukas Bulwahn, Robin Murphy)
* tag 'dma-mapping-5.20-2022-08-06' of git://git.infradead.org/users/hch/dma-mapping: (45 commits)
swiotlb: fix passing local variable to debugfs_create_ulong()
dma-mapping: reformat comment to suppress htmldoc warning
PCI/P2PDMA: Remove pci_p2pdma_[un]map_sg()
RDMA/rw: drop pci_p2pdma_[un]map_sg()
RDMA/core: introduce ib_dma_pci_p2p_dma_supported()
nvme-pci: convert to using dma_map_sgtable()
nvme-pci: check DMA ops when indicating support for PCI P2PDMA
iommu/dma: support PCI P2PDMA pages in dma-iommu map_sg
iommu: Explicitly skip bus address marked segments in __iommu_map_sg()
dma-mapping: add flags to dma_map_ops to indicate PCI P2PDMA support
dma-direct: support PCI P2PDMA pages in dma-direct map_sg
dma-mapping: allow EREMOTEIO return code for P2PDMA transfers
PCI/P2PDMA: Introduce helpers for dma_map_sg implementations
PCI/P2PDMA: Attempt to set map_type if it has not been set
lib/scatterlist: add flag for indicating P2PDMA segments in an SGL
swiotlb: clean up some coding style and minor issues
dma-mapping: update comment after dmabounce removal
scsi: sd: Add a comment about limiting max_sectors to shost optimal limit
ata: libata-scsi: cap ata_device->max_sectors according to shost->max_sectors
scsi: scsi_transport_sas: cap shost opt_sectors according to DMA optimal limit
...
Updates to the usual drivers (ufs, qla2xx, target, lpfc, smartpqi,
mpi3mr). The main driver change that might cause issues on down the
road is the conversion of some of our oldest surviving drivers to the
DMA API (should only affect m68k). The only major core change is the
rework of async resume; the rest are either completely trivial or for
updating deprecated APIs.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (ufs, qla2xx, target, lpfc, smartpqi,
mpi3mr).
The main driver change that might cause issues on down the road is the
conversion of some of our oldest surviving drivers to the DMA API
(should only affect m68k).
The only major core change is the rework of async resume; the rest are
either completely trivial or for updating deprecated APIs"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (195 commits)
scsi: target: Remove XDWRITEREAD emulated support
scsi: megaraid: Remove the static variable initialisation
scsi: ch: Do not initialise statics to 0
scsi: ufs: core: Fix spelling mistake "Cannnot" -> "Cannot"
scsi: target: iscsi: Do not require target authentication
scsi: target: iscsi: Allow AuthMethod=None
scsi: target: iscsi: Support base64 in CHAP
scsi: target: iscsi: Add support for extended CDB AHS
scsi: ufs: dt-bindings: Add SC8280XP binding
scsi: target: iscsi: Fix clang -Wformat warnings
scsi: ufs: core: Read device property for ref clock
scsi: libsas: Resume SAS host for phy reset or enable via sysfs
scsi: hisi_sas: Modify v3 HW SATA completion error processing
scsi: hisi_sas: Relocate DMA unmap of SMP task
scsi: hisi_sas: Remove unnecessary variable to hold DMA map elements
scsi: hisi_sas: Call hisi_sas_slave_configure() from slave_configure_v3_hw()
scsi: mpi3mr: Delete a stray tab
scsi: mpi3mr: Unlock on error path
scsi: mpi3mr: Reduce VD queue depth on detecting throttling
scsi: mpi3mr: Resource Based Metering
...
Here is the set of SPDX comment updates for 6.0-rc1.
Nothing huge here, just a number of updated SPDX license tags and
cleanups based on the review of a number of common patterns in GPLv2
boilerplate text. Also included in here are a few other minor updates,
2 USB files, and one Documentation file update to get the SPDX lines
correct.
All of these have been in the linux-next tree for a very long time.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull SPDX updates from Greg KH:
"Here is the set of SPDX comment updates for 6.0-rc1.
Nothing huge here, just a number of updated SPDX license tags and
cleanups based on the review of a number of common patterns in GPLv2
boilerplate text.
Also included in here are a few other minor updates, two USB files,
and one Documentation file update to get the SPDX lines correct.
All of these have been in the linux-next tree for a very long time"
* tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (28 commits)
Documentation: samsung-s3c24xx: Add blank line after SPDX directive
x86/crypto: Remove stray comment terminator
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_398.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_391.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_385.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_318.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_298.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_292.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_179.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 2)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 1)
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_160.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_152.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_147.RULE
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_133.RULE
...
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Merge tag 'for-5.20/block-2022-07-29' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
- Improve the type checking of request flags (Bart)
- Ensure queue mapping for a single queues always picks the right queue
(Bart)
- Sanitize the io priority handling (Jan)
- rq-qos race fix (Jinke)
- Reserved tags handling improvements (John)
- Separate memory alignment from file/disk offset aligment for O_DIRECT
(Keith)
- Add new ublk driver, userspace block driver using io_uring for
communication with the userspace backend (Ming)
- Use try_cmpxchg() to cleanup the code in various spots (Uros)
- Finally remove bdevname() (Christoph)
- Clean up the zoned device handling (Christoph)
- Clean up independent access range support (Christoph)
- Clean up and improve block sysfs handling (Christoph)
- Clean up and improve teardown of block devices.
This turns the usual two step process into something that is simpler
to implement and handle in block drivers (Christoph)
- Clean up chunk size handling (Christoph)
- Misc cleanups and fixes (Bart, Bo, Dan, GuoYong, Jason, Keith, Liu,
Ming, Sebastian, Yang, Ying)
* tag 'for-5.20/block-2022-07-29' of git://git.kernel.dk/linux-block: (178 commits)
ublk_drv: fix double shift bug
ublk_drv: make sure that correct flags(features) returned to userspace
ublk_drv: fix error handling of ublk_add_dev
ublk_drv: fix lockdep warning
block: remove __blk_get_queue
block: call blk_mq_exit_queue from disk_release for never added disks
blk-mq: fix error handling in __blk_mq_alloc_disk
ublk: defer disk allocation
ublk: rewrite ublk_ctrl_get_queue_affinity to not rely on hctx->cpumask
ublk: fold __ublk_create_dev into ublk_ctrl_add_dev
ublk: cleanup ublk_ctrl_uring_cmd
ublk: simplify ublk_ch_open and ublk_ch_release
ublk: remove the empty open and release block device operations
ublk: remove UBLK_IO_F_PREFLUSH
ublk: add a MAINTAINERS entry
block: don't allow the same type rq_qos add more than once
mmc: fix disk/queue leak in case of adding disk failure
ublk_drv: fix an IS_ERR() vs NULL check
ublk: remove UBLK_IO_F_INTEGRITY
ublk_drv: remove unneeded semicolon
...
Replace 'the the' with 'the' in the comment.
Link: https://lore.kernel.org/r/20220722094612.78583-1-slark_xiao@163.com
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The variable cmd_type is assigned a value but it is never read. The
variable and the assignment are redundant and can be removed.
Cleans up clang scan build warning:
drivers/scsi/megaraid/megaraid_sas_fusion.c:3228:10: warning: Although
the value stored to 'cmd_type' is used in the enclosing expression, the
value is never actually read from 'cmd_type' [deadcode.DeadStores]
Link: https://lore.kernel.org/r/20220730124509.148457-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The variable bm_int_st is assigned a value but it is never read. The
variable and the assignment are redundant and can be removed.
Cleans up clang scan build warning:
drivers/scsi/FlashPoint.c:1726:7: warning: Although the value stored
to 'bm_int_st' is used in the enclosing expression, the value is never
actually read from 'bm_int_st' [deadcode.DeadStores]
Link: https://lore.kernel.org/r/20220730123736.147758-1-colin.i.king@gmail.com
Acked-by: Khalid Aziz <khalid@gonehiking.org>
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
