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Ranjan Kumar <ranjan.kumar@broadcom.com> says:
Few minor fixes of mpi3mr driver.
Link: https://lore.kernel.org/r/20250627194539.48851-1-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Updated driver version to 8.14.0.5.50
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250627194539.48851-5-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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On 32-bit systems, 64-bit BAR writes to admin queue registers are
performed as two 32-bit writes. Without locking, this can cause partial
writes when accessed concurrently.
Updated per-queue spinlocks is used to serialize these writes and prevent
race conditions.
Fixes: 824a156633df ("scsi: mpi3mr: Base driver code")
Cc: stable@vger.kernel.org
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250627194539.48851-4-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The volatile qualifier is redundant for __iomem pointers.
Cleaned up usage in mpi3mr_writeq() and sysif_regs pointer as per
Upstream compliance.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250627194539.48851-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The "is_waiting" flag was updated after calling complete(), which could
lead to a race where the waiting thread wakes up before the flag is
cleared. This may cause a missed wakeup or stale state check.
Reorder the operations to update "is_waiting" before signaling completion
to ensure consistent state.
Fixes: 824a156633df ("scsi: mpi3mr: Base driver code")
Cc: stable@vger.kernel.org
Co-developed-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250627194539.48851-2-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Fix all kernel-doc problems in mpi3mr_app.c:
mpi3mr_app.c:809: warning: Excess function parameter 'data' description in 'mpi3mr_set_trigger_data_in_hdb'
mpi3mr_app.c:836: warning: Excess function parameter 'data' description in 'mpi3mr_set_trigger_data_in_all_hdb'
mpi3mr_app.c:3395: warning: No description found for return value of 'sas_ncq_prio_supported_show'
mpi3mr_app.c:3413: warning: No description found for return value of 'sas_ncq_prio_enable_show'
Fixes: fc4444941140 ("scsi: mpi3mr: HDB allocation and posting for hardware and firmware buffers")
Fixes: d8d08d1638ce ("scsi: mpi3mr: Trigger support")
Fixes: 90e6f08915ec ("scsi: mpi3mr: Fix ATA NCQ priority support")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20250620162158.776795-1-rdunlap@infradead.org
Cc: Sathya Prakash <sathya.prakash@broadcom.com>
Cc: Kashyap Desai <kashyap.desai@broadcom.com>
Cc: Sumit Saxena <sumit.saxena@broadcom.com>
Cc: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Cc: Ranjan Kumar <ranjan.kumar@broadcom.com>
Cc: mpi3mr-linuxdrv.pdl@broadcom.com
Cc: Damien Le Moal <dlemoal@kernel.org>
Cc: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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With the ATA error model, an NCQ command failure always triggers an abort
(termination) of all NCQ commands queued on the device. In such case, the
SAT or the host must handle the failed command according to the command
sense data and immediately retry all other NCQ commands that were aborted
due to the failed NCQ command.
For SAS HBAs controlled by the mpi3mr driver, NCQ command aborts are not
handled by the HBA SAT and sent back to the host, with an ioc log
information equal to 0x31080000 (IOC_LOGINFO_PREFIX_PL with the PL code
PL_LOGINFO_CODE_SATA_NCQ_FAIL_ALL_CMDS_AFTR_ERR). The function
mpi3mr_process_op_reply_desc() always forces a retry of commands
terminated with the status MPI3_IOCSTATUS_SCSI_IOC_TERMINATED using the
SCSI result DID_SOFT_ERROR, regardless of the ioc_loginfo for the
command. This correctly forces the retry of collateral NCQ abort
commands, but with the retry counter for the command being incremented.
If a command to an ATA device is subject to too many retries due to other
NCQ commands failing (e.g. read commands trying to access unreadable
sectors), the collateral NCQ abort commands may be terminated with an
error as they run out of retries. This violates the SAT specification and
causes hard-to-debug command errors.
Solve this issue by modifying the handling of the
MPI3_IOCSTATUS_SCSI_IOC_TERMINATED status to check if a command is for an
ATA device and if the command ioc_loginfo indicates an NCQ collateral
abort. If that is the case, force the command retry using the SCSI result
DID_IMM_RETRY to avoid incrementing the command retry count.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20250606052747.742998-2-dlemoal@kernel.org
Tested-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Improve event process debugging. Implement more verbose event logging
throughout the driver.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250423092139.110206-1-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Pull in fixes from 6.15 and resolve a few conflicts so we can have a
clean base for UFS patches.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Corrected grammar, spelling, and formatting in the kernel-doc comment
for mpi3mr_os_handle_events() to follow kernel-doc style and improve
clarity.
Signed-off-by: Chelsy Ratnawat <chelsyratnawat2001@gmail.com>
Link: https://lore.kernel.org/r/20250419225906.31437-1-chelsyratnawat2001@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Ensure event logs are only generated when the debug logging level
MPI3_DEBUG_EVENT is enabled. This prevents unnecessary logging.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250415101546.204018-1-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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If an admin interrupt is missed, admin_pend_isr may stay set and trigger
admin reply processing even when no admin I/Os are pending.
Clearing/Resetting it in the admin completion path prevents this.
Fixes: ca41929b2ed5 ("scsi: mpi3mr: Check admin reply queue from Watchdog")
Cc: stable@vger.kernel.org
Co-developed-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250411111419.135485-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Commit 199510e33dea ("scsi: mpi3mr: Update consumer index of reply
queues after every 100 replies") introduced a regression with the
per-reply queue pending I/O counter which was erroneously decremented,
leading to the counter going negative.
Drop the incorrect atomic decrement for the pending I/O counter.
Fixes: 199510e33dea ("scsi: mpi3mr: Update consumer index of reply queues after every 100 replies")
Cc: stable@vger.kernel.org
Co-developed-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250411111419.135485-2-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (scsi_debug, ufs, lpfc, st, fnic, mpi3mr,
mpt3sas) and the removal of cxlflash.
The only non-trivial core change is an addition to unit attention
handling to recognize UAs for power on/reset and new media so the tape
driver can use it"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (107 commits)
scsi: st: Tighten the page format heuristics with MODE SELECT
scsi: st: ERASE does not change tape location
scsi: st: Fix array overflow in st_setup()
scsi: target: tcm_loop: Fix wrong abort tag
scsi: lpfc: Restore clearing of NLP_UNREG_INP in ndlp->nlp_flag
scsi: hisi_sas: Fixed failure to issue vendor specific commands
scsi: fnic: Remove unnecessary NUL-terminations
scsi: fnic: Remove redundant flush_workqueue() calls
scsi: core: Use a switch statement when attaching VPD pages
scsi: ufs: renesas: Add initialization code for R-Car S4-8 ES1.2
scsi: ufs: renesas: Add reusable functions
scsi: ufs: renesas: Refactor 0x10ad/0x10af PHY settings
scsi: ufs: renesas: Remove register control helper function
scsi: ufs: renesas: Add register read to remove save/set/restore
scsi: ufs: renesas: Replace init data by init code
scsi: ufs: dt-bindings: renesas,ufs: Add calibration data
scsi: mpi3mr: Task Abort EH Support
scsi: storvsc: Don't report the host packet status as the hv status
scsi: isci: Make most module parameters static
scsi: megaraid_sas: Make most module parameters static
...
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Add Task Abort support to handle SCSI command timeouts, ensuring recovery
and cleanup of timed-out commands. This completes the error handling
framework for mpi3mr driver, which already includes device reset, target
reset, bus reset, and host reset.
Co-developed-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Link: https://lore.kernel.org/r/20250304191453.12994-1-chandrakanth.patil@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In preparation for memtostr*() checking that its source is marked as
nonstring, annotate the device strings accordingly.
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> # SCSI
Signed-off-by: Kees Cook <kees@kernel.org>
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Ranjan Kumar <ranjan.kumar@broadcom.com> says:
Few Enhancements and minor fixes of mpi3mr driver.
Link: https://lore.kernel.org/r/20250220142528.20837-1-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Update driver version to 8.13.0.5.50
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250220142528.20837-5-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Admin reply processing can be called from multiple contexts. The driver
uses an atomic flag for synchronization among multiple threads/context for
draining the admin replies.
Upon entering the admin processing routine, the driver will set the atomic
flag and start reply processing. When exiting the routine, the driver
resets the flag. However, there is a race condition when one thread (Thread
1) has processed replies and is about to reset the flag but in the meantime
few more replies are posted and another thread (Thread 2) is called to
process replies. Since the synchronization flag is still set, Thread 2 will
return without processing replies and those new replies will not be
flushed.
Make the watchdog thread monitor cases where admin ISR/poll call returns
due to another thread processing admin replies. If such an instance is
found, make driver call admin ISR to drain replies (if any).
Co-developed-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250220142528.20837-4-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The driver issues the time stamp update command periodically. Even if the
command fails with supervisor only IOC Status.
Instead check the Non-Supervisor capability bit reported by IOC as part of
IOC Facts.
Co-developed-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250220142528.20837-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Update MPI Headers to revision 35
Co-developed-by: Prayas Patel <prayas.patel@broadcom.com>
Signed-off-by: Prayas Patel <prayas.patel@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250220142528.20837-2-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Make all error paths unlock rioc->bsg_cmds.mutex.
This patch fixes the following Clang -Wthread-safety errors:
drivers/scsi/mpi3mr/mpi3mr_app.c:2835:1: error: mutex 'mrioc->bsg_cmds.mutex' is not held on every path through here [-Werror,-Wthread-safety-analysis]
2835 | }
| ^
drivers/scsi/mpi3mr/mpi3mr_app.c:2332:6: note: mutex acquired here
2332 | if (mutex_lock_interruptible(&mrioc->bsg_cmds.mutex))
| ^
./include/linux/mutex.h:172:40: note: expanded from macro 'mutex_lock_interruptible'
172 | #define mutex_lock_interruptible(lock) mutex_lock_interruptible_nested(lock, 0)
| ^
Cc: Sathya Prakash <sathya.prakash@broadcom.com>
Fixes: fb231d7deffb ("scsi: mpi3mr: Support for preallocation of SGL BSG data buffers part-2")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20250210203936.2946494-2-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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There is a spelling mistake in a dprint_bsg_err message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20250205091119.715630-1-colin.i.king@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Ranjan Kumar <ranjan.kumar@broadcom.com> says:
Few Enhancements and minor fixes of mpi3mr driver.
Link: https://lore.kernel.org/r/20250129100850.25430-1-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Update driver version to 8.12.1.0.50
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250129100850.25430-5-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When the task management thread processes reply queues while the reset
thread resets them, the task management thread accesses an invalid queue ID
(0xFFFF), set by the reset thread, which points to unallocated memory,
causing a crash.
Add flag 'io_admin_reset_sync' to synchronize access between the reset,
I/O, and admin threads. Before a reset, the reset handler sets this flag to
block I/O and admin processing threads. If any thread bypasses the initial
check, the reset thread waits up to 10 seconds for processing to finish. If
the wait exceeds 10 seconds, the controller is marked as unrecoverable.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250129100850.25430-4-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Allocate segmented trace buffer if firmware advertises the capability in
IOCfacts.
Upon driver load, read the trace buffer size from driver page 1, calculate
the required segments for trace buffer, and allocate segmented buffers.
Each segment is 4096 bytes in size.
While posting driver diagnostic buffer to firmware, advertise that trace
buffer is segmented.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250129100850.25430-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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To avoid reply queue full condition, update the driver to check IOCFacts
capabilities for qfull.
Update the operational reply queue's Consumer Index after processing 100
replies. If pending I/Os on a reply queue exceeds a threshold
(reply_queue_depth - 200), then return I/O back to OS to retry.
Also increase default admin reply queue size to 2K.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20250129100850.25430-2-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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'struct pci_error_handlers' are not modified in these drivers.
Constifying these structures moves some data to a read-only section, so
increase overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
39049 6429 112 45590 b216 drivers/scsi/aacraid/linit.o
After:
=====
text data bss dec hex filename
39113 6365 112 45590 b216 drivers/scsi/aacraid/linit.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/efdec8425981e10fc398fa2ac599c9c45d930561.1737318548.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (ufs, lpfc, fnic, qla2xx, mpi3mr).
The major core change is the renaming of the slave_ methods plus a bit
of constification. The rest are minor updates and fixes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (103 commits)
scsi: fnic: Propagate SCSI error code from fnic_scsi_drv_init()
scsi: fnic: Test for memory allocation failure and return error code
scsi: fnic: Return appropriate error code from failure of scsi drv init
scsi: fnic: Return appropriate error code for mem alloc failure
scsi: fnic: Remove always-true IS_FNIC_FCP_INITIATOR macro
scsi: fnic: Fix use of uninitialized value in debug message
scsi: fnic: Delete incorrect debugfs error handling
scsi: fnic: Remove unnecessary else to fix warning in FDLS FIP
scsi: fnic: Remove extern definition from .c files
scsi: fnic: Remove unnecessary else and unnecessary break in FDLS
scsi: mpi3mr: Fix possible crash when setting up bsg fails
scsi: ufs: bsg: Set bsg_queue to NULL after removal
scsi: ufs: bsg: Delete bsg_dev when setting up bsg fails
scsi: st: Don't set pos_unknown just after device recognition
scsi: aic7xxx: Fix build 'aicasm' warning
scsi: Revert "scsi: ufs: core: Probe for EXT_IID support"
scsi: storvsc: Ratelimit warning logs to prevent VM denial of service
scsi: scsi_debug: Constify sdebug_driver_template
scsi: documentation: Corrections for struct updates
scsi: driver-api: documentation: Change what is added to docbook
...
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If bsg_setup_queue() fails, the bsg_queue is assigned a non-NULL value.
Consequently, in mpi3mr_bsg_exit(), the condition "if(!mrioc->bsg_queue)"
will not be satisfied, preventing execution from entering
bsg_remove_queue(), which could lead to the following crash:
BUG: kernel NULL pointer dereference, address: 000000000000041c
Call Trace:
<TASK>
mpi3mr_bsg_exit+0x1f/0x50 [mpi3mr]
mpi3mr_remove+0x6f/0x340 [mpi3mr]
pci_device_remove+0x3f/0xb0
device_release_driver_internal+0x19d/0x220
unbind_store+0xa4/0xb0
kernfs_fop_write_iter+0x11f/0x200
vfs_write+0x1fc/0x3e0
ksys_write+0x67/0xe0
do_syscall_64+0x38/0x80
entry_SYSCALL_64_after_hwframe+0x78/0xe2
Fixes: 4268fa751365 ("scsi: mpi3mr: Add bsg device support")
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250107022032.24006-1-kanie@linux.alibaba.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Pull in fixes branch to resolve merge conflict in ufs-qcom.c.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Replace all users of blk_mq_pci_map_queues with the more generic
blk_mq_map_hw_queues. This in preparation to retire
blk_mq_pci_map_queues.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-5-27211e9c2cd5@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Improve naming consistency with the .sdev_prep() and .sdev_destroy()
methods by renaming .device_configure() into .sdev_configure().
Cc: Christoph Hellwig <hch@lst.de>
Acked-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20241022180839.2712439-3-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Rename .slave_alloc() into .sdev_init() and .slave_destroy() into
.sdev_destroy(). The new names make it clear that these are actions on
SCSI devices. Make this change in the SCSI core, SCSI drivers and also
in the ATA drivers. No functionality has been changed.
This patch has been created as follows:
* Change the text "slave_alloc" into "sdev_init" in all source files
except those in drivers/net/ and Documentation/.
* Change the text "slave_destroy" into "sdev_destroy" in all source
files except those in drivers/net/ and Documentation/.
* Rename lpfc_no_slave() into lpfc_no_sdev().
* Manually adjust whitespace where necessary to restore vertical
alignment (dc395x driver and include/linux/libata.h).
Acked-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20241022180839.2712439-2-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Update driver version to 8.12.0.3.50.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20241110194405.10108-6-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Before retrying initialization, check and abort if the fault code
indicates insufficient power. Also mark the controller as unrecoverable
instead of issuing reset in the watch dog timer if the fault code
indicates insufficient power.
Signed-off-by: Prayas Patel <prayas.patel@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20241110194405.10108-5-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Instead of displaying the controller index starting from '1' make the
driver display the controller index starting from '0'.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20241110194405.10108-4-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The driver, through the SAS transport, exposes a sysfs interface to
enable/disable PHYs in a controller/expander setup. When multiple PHYs
are disabled and enabled in rapid succession, the persistent and current
config pages related to SAS IO unit/SAS Expander pages could get
corrupted.
Use separate memory for each config request.
Signed-off-by: Prayas Patel <prayas.patel@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20241110194405.10108-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The driver serializes ioctls through a mutex lock but access to the
ioctl data buffer is not guarded by the mutex. This results in multiple
user threads being able to write to the driver's ioctl buffer
simultaneously.
Protect the ioctl buffer with the ioctl mutex.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20241110194405.10108-2-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Fixes all in drivers. The largest is the mpi3mr which corrects a phy
count limit that should only apply to the controller but was being
incorrectly applied to expander phys"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target: core: Fix null-ptr-deref in target_alloc_device()
scsi: mpi3mr: Validate SAS port assignments
scsi: ufs: core: Set SDEV_OFFLINE when UFS is shut down
scsi: ufs: core: Requeue aborted request
scsi: ufs: core: Fix the issue of ICU failure
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A sanity check on phy_mask was added in commit 3668651def2c ("scsi:
mpi3mr: Sanitise num_phys"). This causes warning messages when more than
64 phys are detected and devices connected to phys greater than 64 are
dropped.
The phy_mask bitmap is only needed for controller phys and not required
for expander phys. Controller phys can go up to a maximum of 64 and
therefore u64 is good enough to contain phy_mask bitmap.
To suppress those warnings and allow devices to be discovered as before
the offending commit, restrict the phy_mask setting and lowest phy
setting only to the controller phys.
Fixes: 3668651def2c ("scsi: mpi3mr: Sanitise num_phys")
Cc: stable@vger.kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410051943.Mp9o5DlF-lkp@intel.com/
Reported-by: Alexander Motin <mav@ixsystems.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20241008074353.200379-1-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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asm/unaligned.h is always an include of asm-generic/unaligned.h;
might as well move that thing to linux/unaligned.h and include
that - there's nothing arch-specific in that header.
auto-generated by the following:
for i in `git grep -l -w asm/unaligned.h`; do
sed -i -e "s/asm\/unaligned.h/linux\/unaligned.h/" $i
done
for i in `git grep -l -w asm-generic/unaligned.h`; do
sed -i -e "s/asm-generic\/unaligned.h/linux\/unaligned.h/" $i
done
git mv include/asm-generic/unaligned.h include/linux/unaligned.h
git mv tools/include/asm-generic/unaligned.h tools/include/linux/unaligned.h
sed -i -e "/unaligned.h/d" include/asm-generic/Kbuild
sed -i -e "s/__ASM_GENERIC/__LINUX/" include/linux/unaligned.h tools/include/linux/unaligned.h
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Pull more SCSI updates from James Bottomley:
"These are mostly minor updates.
There are two drivers (lpfc and mpi3mr) which missed the initial
pull and a core change to retry a start/stop unit which affect
suspend/resume"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (32 commits)
scsi: lpfc: Update lpfc version to 14.4.0.5
scsi: lpfc: Support loopback tests with VMID enabled
scsi: lpfc: Revise TRACE_EVENT log flag severities from KERN_ERR to KERN_WARNING
scsi: lpfc: Ensure DA_ID handling completion before deleting an NPIV instance
scsi: lpfc: Fix kref imbalance on fabric ndlps from dev_loss_tmo handler
scsi: lpfc: Restrict support for 32 byte CDBs to specific HBAs
scsi: lpfc: Update phba link state conditional before sending CMF_SYNC_WQE
scsi: lpfc: Add ELS_RSP cmd to the list of WQEs to flush in lpfc_els_flush_cmd()
scsi: mpi3mr: Update driver version to 8.12.0.0.50
scsi: mpi3mr: Improve wait logic while controller transitions to READY state
scsi: mpi3mr: Update MPI Headers to revision 34
scsi: mpi3mr: Use firmware-provided timestamp update interval
scsi: mpi3mr: Enhance the Enable Controller retry logic
scsi: sd: Fix off-by-one error in sd_read_block_characteristics()
scsi: pm8001: Do not overwrite PCI queue mapping
scsi: scsi_debug: Remove a useless memset()
scsi: pmcraid: Convert comma to semicolon
scsi: sd: Retry START STOP UNIT commands
scsi: mpi3mr: A performance fix
scsi: ufs: qcom: Update MODE_MAX cfg_bw value
...
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Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (ufs, smartpqi, NCR5380, mac_scsi, lpfc,
mpi3mr).
There are no user visible core changes and a whole series of minor
updates and fixes. The largest core change is probably the
simplification of the workqueue allocation path"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (86 commits)
scsi: smartpqi: update driver version to 2.1.30-031
scsi: smartpqi: fix volume size updates
scsi: smartpqi: fix rare system hang during LUN reset
scsi: smartpqi: add new controller PCI IDs
scsi: smartpqi: add counter for parity write stream requests
scsi: smartpqi: correct stream detection
scsi: smartpqi: Add fw log to kdump
scsi: bnx2fc: Remove some unused fields in struct bnx2fc_rport
scsi: qla2xxx: Remove the unused 'del_list_entry' field in struct fc_port
scsi: ufs: core: Remove ufshcd_urgent_bkops()
scsi: core: Remove obsoleted declaration for scsi_driverbyte_string()
scsi: bnx2i: Remove unused declarations
scsi: core: Simplify an alloc_workqueue() invocation
scsi: ufs: Simplify alloc*_workqueue() invocation
scsi: stex: Simplify an alloc_ordered_workqueue() invocation
scsi: scsi_transport_fc: Simplify alloc_workqueue() invocations
scsi: snic: Simplify alloc_workqueue() invocations
scsi: qedi: Simplify an alloc_workqueue() invocation
scsi: qedf: Simplify alloc_workqueue() invocations
scsi: myrs: Simplify an alloc_ordered_workqueue() invocation
...
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Ranjan Kumar <ranjan.kumar@broadcom.com> says:
Few Enhancements and minor fix of mpi3mr driver.
Link: https://lore.kernel.org/r/20240905102753.105310-1-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Update driver version to 8.12.0.0.50.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20240905102753.105310-6-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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During controller transitioning to READY state, if the controller is found
in transient states ("becoming ready" or "reset requested"), driver waits
for 510 secs even if the controller transitions out of these states
early. This causes an unnecessary delay of 510 secs in the overall firmware
initialization sequence.
Poll the controller state periodically (every 100 milliseconds) while
waiting for the controller to come out of the mentioned transient
states. Once the controller transits out of the transient states, come out
of the wait loop.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20240905102753.105310-5-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Update MPI Headers to revision 34.
Signed-off-by: Prayas Patel <prayas.patel@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20240905102753.105310-4-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Make driver use the timestamp update interval value provided by firmware in
the driver page 1. If firmware fails to provide non-zero value, then the
driver will fall back to the driver defined macro.
Signed-off-by: Prayas Patel <prayas.patel@broadcom.com>
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20240905102753.105310-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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