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Modify driver to set the Write Same Divert Capability bit in the IOCInit
message for the firmware to know that the driver is capable of diverting
certain Write Same commands as defined by the MPI specification.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
Link: https://lore.kernel.org/r/20240313100746.128951-5-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver uses a controller-wide flag to block ioctls when a controller
reset is in progress. This flag is set before controller reset is initiated
and cleared after the reset has completed.
Make the driver clear the controller-wide block ioctls flag after a
controller reset fails and the controller is marked unrecoverable.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Link: https://lore.kernel.org/r/20240313100746.128951-4-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The 'flags' variable inside an MPI request is a bitfield and should
consequently be updated using a bitwise OR operation.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
Link: https://lore.kernel.org/r/20240313100746.128951-3-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver did not remove the virtual disk that was exposed as hidden and
offline after the controller was reset.
Drive is removed from OS when firmware sends "device added" event with
hidden bit set or access status indicating inability to accept I/Os.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
Link: https://lore.kernel.org/r/20240313100746.128951-2-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Commit fc663711b944 ("scsi: core: Remove the /proc/scsi/${proc_name}
directory earlier") fixed a bug related to modules loading/unloading, by
adding a call to scsi_proc_hostdir_rm() on scsi_remove_host(). But that led
to a potential duplicate call to the hostdir_rm() routine, since it's also
called from scsi_host_dev_release(). That triggered a regression report,
which was then fixed by commit be03df3d4bfe ("scsi: core: Fix a procfs host
directory removal regression"). The fix just dropped the hostdir_rm() call
from dev_release().
But it happens that this proc directory is created on scsi_host_alloc(),
and that function "pairs" with scsi_host_dev_release(), while
scsi_remove_host() pairs with scsi_add_host(). In other words, it seems the
reason for removing the proc directory on dev_release() was meant to cover
cases in which a SCSI host structure was allocated, but the call to
scsi_add_host() didn't happen. And that pattern happens to exist in some
error paths, for example.
Syzkaller causes that by using USB raw gadget device, error'ing on
usb-storage driver, at usb_stor_probe2(). By checking that path, we can see
that the BadDevice label leads to a scsi_host_put() after a SCSI host
allocation, but there's no call to scsi_add_host() in such path. That leads
to messages like this in dmesg (and a leak of the SCSI host proc
structure):
usb-storage 4-1:87.51: USB Mass Storage device detected
proc_dir_entry 'scsi/usb-storage' already registered
WARNING: CPU: 1 PID: 3519 at fs/proc/generic.c:377 proc_register+0x347/0x4e0 fs/proc/generic.c:376
The proper fix seems to still call scsi_proc_hostdir_rm() on dev_release(),
but guard that with the state check for SHOST_CREATED; there is even a
comment in scsi_host_dev_release() detailing that: such conditional is
meant for cases where the SCSI host was allocated but there was no calls to
{add,remove}_host(), like the usb-storage case.
This is what we propose here and with that, the error path of usb-storage
does not trigger the warning anymore.
Reported-by: syzbot+c645abf505ed21f931b5@syzkaller.appspotmail.com
Fixes: be03df3d4bfe ("scsi: core: Fix a procfs host directory removal regression")
Cc: stable@vger.kernel.org
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Link: https://lore.kernel.org/r/20240313113006.2834799-1-gpiccoli@igalia.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
John Garry <john.g.garry@oracle.com> says:
There is much duplication in the scsi_host_template structure for the
drivers which use libsas.
Similar to how a standard template is used in libata with
__ATA_BASE_SHT, create a standard template in LIBSAS_SHT_BASE.
Link: https://lore.kernel.org/r/20240308114339.1340549-1-john.g.garry@oracle.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use standard template for scsi_host_template structure to reduce
duplication.
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240308114339.1340549-7-john.g.garry@oracle.com
Reviewed-by: Igor Pylypiv <ipylypiv@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use standard template for scsi_host_template structure to reduce
duplication.
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240308114339.1340549-6-john.g.garry@oracle.com
Reviewed-by: Igor Pylypiv <ipylypiv@google.com>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use standard template for scsi_host_template structure to reduce
duplication.
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240308114339.1340549-5-john.g.garry@oracle.com
Reviewed-by: Igor Pylypiv <ipylypiv@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use standard template for scsi_host_template structure to reduce
duplication.
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240308114339.1340549-4-john.g.garry@oracle.com
Reviewed-by: Igor Pylypiv <ipylypiv@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use standard template for scsi_host_template structure to reduce
duplication.
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240308114339.1340549-3-john.g.garry@oracle.com
Reviewed-by: Igor Pylypiv <ipylypiv@google.com>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Igor Pylypiv <ipylypiv@google.com> says:
This patch series adds ncq_prio_supported and ncq_prio_enable sysfs
attributes for libsas managed SATA devices. Existing libata sysfs
attributes cannot be used directly because the ata_port location is
different for libsas.
Link: https://lore.kernel.org/r/20240307214418.3812290-1-ipylypiv@google.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The added sysfs attributes group enables the configuration of NCQ Priority
feature for HBAs that rely on libsas to manage SATA devices.
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Link: https://lore.kernel.org/r/20240307214418.3812290-8-ipylypiv@google.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The added sysfs attributes group enables the configuration of NCQ Priority
feature for HBAs that rely on libsas to manage SATA devices.
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Link: https://lore.kernel.org/r/20240307214418.3812290-7-ipylypiv@google.com
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The added sysfs attributes group enables the configuration of NCQ Priority
feature for HBAs that rely on libsas to manage SATA devices.
Omitted hisi_sas_v1_hw.c because v1 HW doesn't support SATA.
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Link: https://lore.kernel.org/r/20240307214418.3812290-6-ipylypiv@google.com
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The added sysfs attributes group enables the configuration of NCQ Priority
feature for HBAs that rely on libsas to manage SATA devices.
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Link: https://lore.kernel.org/r/20240307214418.3812290-5-ipylypiv@google.com
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The added sysfs attributes group enables the configuration of NCQ Priority
feature for HBAs that rely on libsas to manage SATA devices.
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Link: https://lore.kernel.org/r/20240307214418.3812290-4-ipylypiv@google.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
libata sysfs attributes cannot be used for libsas-managed SATA devices
because the ata_port location is different for libsas.
Defined sysfs attributes (visible for SATA devices only):
- /sys/block/sda/device/ncq_prio_enable
- /sys/block/sda/device/ncq_prio_supported
The newly defined attributes will pass the correct ata_port to libata
helper functions.
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Link: https://lore.kernel.org/r/20240307214418.3812290-3-ipylypiv@google.com
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When the "storcli2 show" command is executed for eHBA-9600, mpi3mr driver
prints this WARNING message:
memcpy: detected field-spanning write (size 128) of single field "bsg_reply_buf->reply_buf" at drivers/scsi/mpi3mr/mpi3mr_app.c:1658 (size 1)
WARNING: CPU: 0 PID: 12760 at drivers/scsi/mpi3mr/mpi3mr_app.c:1658 mpi3mr_bsg_request+0x6b12/0x7f10 [mpi3mr]
The cause of the WARN is 128 bytes memcpy to the 1 byte size array "__u8
replay_buf[1]" in the struct mpi3mr_bsg_in_reply_buf. The array is intended
to be a flexible length array, so the WARN is a false positive.
To suppress the WARN, remove the constant number '1' from the array
declaration and clarify that it has flexible length. Also, adjust the
memory allocation size to match the change.
Suggested-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Link: https://lore.kernel.org/r/20240323084155.166835-1-shinichiro.kawasaki@wdc.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Commit 3cc2ffe5c16d ("scsi: sd: Differentiate system and runtime start/stop
management") introduced the manage_system_start_stop scsi_device flag to
allow libata to indicate to the SCSI disk driver that nothing should be
done when resuming a disk on system resume. This change turned the
execution of sd_resume() into a no-op for ATA devices on system
resume. While this solved deadlock issues during device resume, this change
also wrongly removed the execution of opal_unlock_from_suspend(). As a
result, devices with TCG OPAL locking enabled remain locked and
inaccessible after a system resume from sleep.
To fix this issue, introduce the SCSI driver resume method and implement it
with the sd_resume() function calling opal_unlock_from_suspend(). The
former sd_resume() function is renamed to sd_resume_common() and modified
to call the new sd_resume() function. For non-ATA devices, this result in
no functional changes.
In order for libata to explicitly execute sd_resume() when a device is
resumed during system restart, the function scsi_resume_device() is
introduced. libata calls this function from the revalidation work executed
on devie resume, a state that is indicated with the new device flag
ATA_DFLAG_RESUMING. Doing so, locked TCG OPAL enabled devices are unlocked
on resume, allowing normal operation.
Fixes: 3cc2ffe5c16d ("scsi: sd: Differentiate system and runtime start/stop management")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218538
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20240319071209.1179257-1-dlemoal@kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
sg_remove_sfp_usercontext() must not use sg_device_destroy() after calling
scsi_device_put().
sg_device_destroy() is accessing the parent scsi_device request_queue which
will already be set to NULL when the preceding call to scsi_device_put()
removed the last reference to the parent scsi_device.
The resulting NULL pointer exception will then crash the kernel.
Link: https://lore.kernel.org/r/20240305150509.23896-1-Alexander@wetzel-home.de
Fixes: db59133e9279 ("scsi: sg: fix blktrace debugfs entries leakage")
Cc: stable@vger.kernel.org
Signed-off-by: Alexander Wetzel <Alexander@wetzel-home.de>
Link: https://lore.kernel.org/r/20240320213032.18221-1-Alexander@wetzel-home.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Justin Stitt <justinstitt@google.com> says:
This series contains multiple replacements of strncpy throughout the
scsi subsystem.
strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces. The details of each replacement will be in their
respective patch.
Link: https://lore.kernel.org/r/20240305-strncpy-drivers-scsi-mpi3mr-mpi3mr_fw-c-v3-0-5b78a13ff984@google.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The vfs has long had a write lifetime hint mechanism that gives the
expected longevity on storage of the data being written. f2fs was the
original consumer of this and used the hint for flash data placement
(mostly to avoid write amplification by placing objects with similar
lifetimes in the same erase block). More recently the SCSI based UFS
(Universal Flash Storage) drivers have wanted to take advantage of
this as well, for the same reasons as f2fs, necessitating plumbing the
write hints through the block layer and then adding it to the SCSI
core. The vfs write_hints pull you've already taken plumbs this as
far as block and this pull request completes the SCSI core enabling
based on a recently agreed reuse of the old write command group
number. The additions to the scsi_debug driver are for emulating this
property so we can run tests on it in the absence of an actual UFS
device.
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:
"The vfs has long had a write lifetime hint mechanism that gives the
expected longevity on storage of the data being written. f2fs was the
original consumer of this and used the hint for flash data placement
(mostly to avoid write amplification by placing objects with similar
lifetimes in the same erase block).
More recently the SCSI based UFS (Universal Flash Storage) drivers
have wanted to take advantage of this as well, for the same reasons as
f2fs, necessitating plumbing the write hints through the block layer
and then adding it to the SCSI core.
The vfs write_hints already taken plumbs this as far as block and this
completes the SCSI core enabling based on a recently agreed reuse of
the old write command group number. The additions to the scsi_debug
driver are for emulating this property so we can run tests on it in
the absence of an actual UFS device"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_debug: Maintain write statistics per group number
scsi: scsi_debug: Implement GET STREAM STATUS
scsi: scsi_debug: Implement the IO Advice Hints Grouping mode page
scsi: scsi_debug: Allocate the MODE SENSE response from the heap
scsi: scsi_debug: Rework subpage code error handling
scsi: scsi_debug: Rework page code error handling
scsi: scsi_debug: Support the block limits extension VPD page
scsi: scsi_debug: Reduce code duplication
scsi: sd: Translate data lifetime information
scsi: scsi_proto: Add structures and constants related to I/O groups and streams
scsi: core: Query the Block Limits Extension VPD page
Only a couple of driver updates this time (lpfc and mpt3sas) plus the
usual assorted minor fixes and updates. The major core update is a
set of patches moving retries out of the drivers and into the core.
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:
"Only a couple of driver updates this time (lpfc and mpt3sas) plus the
usual assorted minor fixes and updates. The major core update is a set
of patches moving retries out of the drivers and into the core"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (84 commits)
scsi: core: Constify the struct device_type usage
scsi: libfc: replace deprecated strncpy() with memcpy()
scsi: lpfc: Replace deprecated strncpy() with strscpy()
scsi: bfa: Fix function pointer type mismatch for state machines
scsi: bfa: Fix function pointer type mismatch for hcb_qe->cbfn
scsi: bfa: Remove additional unnecessary struct declarations
scsi: csiostor: Avoid function pointer casts
scsi: qla1280: Remove redundant assignment to variable 'mr'
scsi: core: Make scsi_bus_type const
scsi: core: Really include kunit tests with SCSI_LIB_KUNIT_TEST
scsi: target: tcm_loop: Make tcm_loop_lld_bus const
scsi: scsi_debug: Make pseudo_lld_bus const
scsi: iscsi: Make iscsi_flashnode_bus const
scsi: fcoe: Make fcoe_bus_type const
scsi: lpfc: Copyright updates for 14.4.0.0 patches
scsi: lpfc: Update lpfc version to 14.4.0.0
scsi: lpfc: Change lpfc_vport load_flag member into a bitmask
scsi: lpfc: Change lpfc_vport fc_flag member into a bitmask
scsi: lpfc: Protect vport fc_nodes list with an explicit spin lock
scsi: lpfc: Change nlp state statistic counters into atomic_t
...
- Add AT_HWCAP3 and AT_HWCAP4 aux vector entries for future use by glibc.
- Add support for recognising the Power11 architected and raw PVRs.
- Add support for nr_cpus=n on the command line where the boot CPU is >= n.
- Add ppcxx_allmodconfig targets for all 32-bit sub-arches.
- Other small features, cleanups and fixes.
Thanks to: Akanksha J N, Brian King, Christophe Leroy, Dawei Li, Geoff Levand,
Greg Kroah-Hartman, Jan-Benedict Glaw, Kajol Jain, Kunwu Chan, Li zeming,
Madhavan Srinivasan, Masahiro Yamada, Nathan Chancellor, Nicholas Piggin, Peter
Bergner, Qiheng Lin, Randy Dunlap, Ricardo B. Marliere, Rob Herring, Sathvika
Vasireddy, Shrikanth Hegde, Uwe Kleine-König, Vaibhav Jain, Wen Xiong.
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Merge tag 'powerpc-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Add AT_HWCAP3 and AT_HWCAP4 aux vector entries for future use
by glibc
- Add support for recognising the Power11 architected and raw PVRs
- Add support for nr_cpus=n on the command line where the
boot CPU is >= n
- Add ppcxx_allmodconfig targets for all 32-bit sub-arches
- Other small features, cleanups and fixes
Thanks to Akanksha J N, Brian King, Christophe Leroy, Dawei Li, Geoff
Levand, Greg Kroah-Hartman, Jan-Benedict Glaw, Kajol Jain, Kunwu Chan,
Li zeming, Madhavan Srinivasan, Masahiro Yamada, Nathan Chancellor,
Nicholas Piggin, Peter Bergner, Qiheng Lin, Randy Dunlap, Ricardo B.
Marliere, Rob Herring, Sathvika Vasireddy, Shrikanth Hegde, Uwe
Kleine-König, Vaibhav Jain, and Wen Xiong.
* tag 'powerpc-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (71 commits)
powerpc/macio: Make remove callback of macio driver void returned
powerpc/83xx: Fix build failure with FPU=n
powerpc/64s: Fix get_hugepd_cache_index() build failure
powerpc/4xx: Fix warp_gpio_leds build failure
powerpc/amigaone: Make several functions static
powerpc/embedded6xx: Fix no previous prototype for avr_uart_send() etc.
macintosh/adb: make adb_dev_class constant
powerpc: xor_vmx: Add '-mhard-float' to CFLAGS
powerpc/fsl: Fix mfpmr() asm constraint error
powerpc: Remove cpu-as-y completely
powerpc/fsl: Modernise mt/mfpmr
powerpc/fsl: Fix mfpmr build errors with newer binutils
powerpc/64s: Use .machine power4 around dcbt
powerpc/64s: Move dcbt/dcbtst sequence into a macro
powerpc/mm: Code cleanup for __hash_page_thp
powerpc/hv-gpci: Fix the H_GET_PERF_COUNTER_INFO hcall return value checks
powerpc/irq: Allow softirq to hardirq stack transition
powerpc: Stop using of_root
powerpc/machdep: Define 'compatibles' property in ppc_md and use it
of: Reimplement of_machine_is_compatible() using of_machine_compatible_match()
...
heap optimizations".
- Kuan-Wei Chiu has also sped up the library sorting code in the series
"lib/sort: Optimize the number of swaps and comparisons".
- Alexey Gladkov has added the ability for code running within an IPC
namespace to alter its IPC and MQ limits. The series is "Allow to
change ipc/mq sysctls inside ipc namespace".
- Geert Uytterhoeven has contributed some dhrystone maintenance work in
the series "lib: dhry: miscellaneous cleanups".
- Ryusuke Konishi continues nilfs2 maintenance work in the series
"nilfs2: eliminate kmap and kmap_atomic calls"
"nilfs2: fix kernel bug at submit_bh_wbc()"
- Nathan Chancellor has updated our build tools requirements in the
series "Bump the minimum supported version of LLVM to 13.0.1".
- Muhammad Usama Anjum continues with the selftests maintenance work in
the series "selftests/mm: Improve run_vmtests.sh".
- Oleg Nesterov has done some maintenance work against the signal code
in the series "get_signal: minor cleanups and fix".
Plus the usual shower of singleton patches in various parts of the tree.
Please see the individual changelogs for details.
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Merge tag 'mm-nonmm-stable-2024-03-14-09-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- Kuan-Wei Chiu has developed the well-named series "lib min_heap: Min
heap optimizations".
- Kuan-Wei Chiu has also sped up the library sorting code in the series
"lib/sort: Optimize the number of swaps and comparisons".
- Alexey Gladkov has added the ability for code running within an IPC
namespace to alter its IPC and MQ limits. The series is "Allow to
change ipc/mq sysctls inside ipc namespace".
- Geert Uytterhoeven has contributed some dhrystone maintenance work in
the series "lib: dhry: miscellaneous cleanups".
- Ryusuke Konishi continues nilfs2 maintenance work in the series
"nilfs2: eliminate kmap and kmap_atomic calls"
"nilfs2: fix kernel bug at submit_bh_wbc()"
- Nathan Chancellor has updated our build tools requirements in the
series "Bump the minimum supported version of LLVM to 13.0.1".
- Muhammad Usama Anjum continues with the selftests maintenance work in
the series "selftests/mm: Improve run_vmtests.sh".
- Oleg Nesterov has done some maintenance work against the signal code
in the series "get_signal: minor cleanups and fix".
Plus the usual shower of singleton patches in various parts of the tree.
Please see the individual changelogs for details.
* tag 'mm-nonmm-stable-2024-03-14-09-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (77 commits)
nilfs2: prevent kernel bug at submit_bh_wbc()
nilfs2: fix failure to detect DAT corruption in btree and direct mappings
ocfs2: enable ocfs2_listxattr for special files
ocfs2: remove SLAB_MEM_SPREAD flag usage
assoc_array: fix the return value in assoc_array_insert_mid_shortcut()
buildid: use kmap_local_page()
watchdog/core: remove sysctl handlers from public header
nilfs2: use div64_ul() instead of do_div()
mul_u64_u64_div_u64: increase precision by conditionally swapping a and b
kexec: copy only happens before uchunk goes to zero
get_signal: don't initialize ksig->info if SIGNAL_GROUP_EXIT/group_exec_task
get_signal: hide_si_addr_tag_bits: fix the usage of uninitialized ksig
get_signal: don't abuse ksig->info.si_signo and ksig->sig
const_structs.checkpatch: add device_type
Normalise "name (ad@dr)" MODULE_AUTHORs to "name <ad@dr>"
dyndbg: replace kstrdup() + strchr() with kstrdup_and_replace()
list: leverage list_is_head() for list_entry_is_head()
nilfs2: MAINTAINERS: drop unreachable project mirror site
smp: make __smp_processor_id() 0-argument macro
fat: fix uninitialized field in nostale filehandles
...
Justin Tee <justintee8345@gmail.com> says:
Update lpfc to revision 14.4.0.1
This patch set contains updates to log messaging, bug fixes related to
unregistration, interrupt handling, resource recovery, and clean up
patches regarding the abuse of hbalock and void pointers in the
driver.
The patches were cut against Martin's 6.9/scsi-queue tree.
Link: https://lore.kernel.org/r/20240305200503.57317-1-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Nilesh Javali <njavali@marvell.com> says:
Please apply the qla2xxx driver miscellaneous bug fixes to the scsi
tree at your earliest convenience.
Link: https://lore.kernel.org/r/20240227164127.36465-1-njavali@marvell.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
In LPFC_MBOXQ_t, the void *context3 ptr is used for various paths. It is
treated as a generic pointer, and is type casted during its usage.
The issue with this is that it can sometimes get confusing when reading
code as to what the context3 ptr is being used for and mistakenly be reused
in a different context.
Rename context3 to ctx_u, and declare it as a union of defined ptr types.
From now on, the ctx_u ptr may be used only if users define the use case
type.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-11-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
In LPFC_MBOXQ_t, the ctx_buf ptr shouldn't be defined as a generic void
*ptr. It is named ctx_buf and it should only be used as an lpfc_dmabuf
*ptr. Due to the void* declaration, there have been abuses of ctx_buf for
things not related to lpfc_dmabuf.
So, set the ptr type for *ctx_buf as lpfc_dmabuf. Remove all type casts on
ctx_buf because it is no longer a void *ptr. Convert the abuse of ctx_buf
for something not related to lpfc_dmabuf to use the void *context3 ptr.
A particular abuse of the ctx_buf warranted a new void *ext_buf ptr.
However, the usage of this new void *ext_buf is not generic. It is
intended to only hold virtual addresses for extended mailbox commands.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-10-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
In LPFC_MBOXQ_t data structure, the ctx_ndlp ptr shouldn't be defined as a
generic void *ptr. It is named ctx_ndlp and it should only be used as an
lpfc_nodelist *ptr. Due to the void* declaration, there have been abuses
of ctx_ndlp for things not related to ndlp.
So, set the ptr type for *ctx_ndlp as lpfc_nodelist. Remove all type casts
on ctx_ndlp because it is no longer a void *ptr. Convert the abuse of
ctx_ndlp for things not related to ndlps to use the void *context3 ptr.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-9-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
To reduce usage of and contention for hbalock, a separate dedicated lock is
used to protect ras_fwlog state.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-8-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
lpfc_worker_wake_up() calls the lpfc_work_done() routine, which takes the
hbalock. Thus, lpfc_worker_wake_up() should not be called while holding the
hbalock to avoid potential deadlock.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-7-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The ndlp object update in lpfc_nvme_unregister_port() should be protected
by the ndlp lock rather than hbalock.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-6-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Typically when an out of resource CQE status is detected, the
lpfc_ramp_down_queue_handler() logic is called to help reduce I/O load by
reducing an sdev's queue_depth.
However, the current lpfc_rampdown_queue_depth() logic does not help reduce
queue_depth. num_cmd_success is never updated and is always zero, which
means new_queue_depth will always be set to sdev->queue_depth. So,
new_queue_depth = sdev->queue_depth - new_queue_depth always sets
new_queue_depth to zero. And, scsi_change_queue_depth(sdev, 0) is
essentially a no-op.
Change the lpfc_ramp_down_queue_handler() logic to set new_queue_depth
equal to sdev->queue_depth subtracted from number of times num_rsrc_err was
incremented. If num_rsrc_err is >= sdev->queue_depth, then set
new_queue_depth equal to 1. Eventually, the frequency of Good_Status
frames will signal SCSI upper layer to auto increase the queue_depth back
to the driver default of 64 via scsi_handle_queue_ramp_up().
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-5-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
IRQF_ONESHOT is found to mask HBA generated interrupts when thread_fn is
running. As a result, some EQEs/CQEs miss timely processing resulting in
SCSI layer attempts to abort commands due to io_timeout. Abort CQEs are
also not processed leading to the observations of hangs and spam of "0748
abort handler timed out waiting for aborting I/O" log messages.
Remove the IRQF_ONESHOT flag. The cmpxchg and xchg atomic operations on
lpfc_queue->queue_claimed already protect potential parallel access to an
EQ/CQ should the thread_fn get interrupted by the primary irq handler.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-4-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
There are cases after NPIV deletion where the fabric switch still believes
the NPIV is logged into the fabric. This occurs when a vport is
unregistered before the Remove All DA_ID CT and LOGO ELS are sent to the
fabric.
Currently fc_remove_host(), which calls dev_loss_tmo for all D_IDs including
the fabric D_ID, removes the last ndlp reference and frees the ndlp rport
object. This sometimes causes the race condition where the final DA_ID and
LOGO are skipped from being sent to the fabric switch.
Fix by moving the fc_remove_host() and scsi_remove_host() calls after DA_ID
and LOGO are sent.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-3-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Message 9038 logs when LLDD receives SCSI_PROT_NORMAL when T10 DIF
protection is configured. The event is not wrong, but the log message has
not proven useful in debugging so it is removed.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240305200503.57317-2-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Currently when PCI error is detected, I/O is aborted manually through the
ABORT IOCB mechanism which is not guaranteed to succeed.
Instead, wait for the OS or system to notify driver to wind down I/O
through the pci_error_handlers api. Set eeh_busy flag to pause all traffic
and wait for I/O to drain.
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-11-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Upon driver unload, purge_mbox flag is set and the heartbeat monitor thread
detects this flag and does not send the mailbox command down to FW with a
debug message "Error detected: purge[1] eeh[0] cmd=0x0, Exiting". This
being not a real error, change the debug message.
Cc: stable@vger.kernel.org
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-10-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Coverity scan reported potential risk of double free of the pointer
ha->vp_map. ha->vp_map was freed in qla2x00_mem_alloc(), and again freed
in function qla2x00_mem_free(ha).
Assign NULL to vp_map and kfree take care of NULL.
Cc: stable@vger.kernel.org
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20240227164127.36465-8-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
