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Because WB performs writes in SLC mode, it is not possible to use
WriteBooster indefinitely. Vendors can set a lifetime limit in the device.
If the lifetime exceeds this limit, the device ican disable the WB feature.
The feature is defined in the "bWriteBoosterBufferLifeTimeEst (IDN = 1E)"
attribute.
With lifetime exceeding the limit value, the current driver continuously
performs the following query:
- Write Flag: WB_ENABLE / DISABLE
- Read attr: Available Buffer Size
- Read attr: Current Buffer Size
This patch recognizes that WriteBooster is no longer supported by the
device, and prevents unnecessary queries.
Link: https://lore.kernel.org/r/1891546521.01643252701746.JavaMail.epsvc@epcpadp3
Reviewed-by: Asutosh Das <quic_asutoshd@quicinc.com>
Acked-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Jinyoung Choi <j-young.choi@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Log subpages are starting to appear in real devices (e.g. SSDs) so add
support for one. Adopt approach where all "wild" sub-pages are themselves
listed as long as there is at least one non-wild page or subpage for a
given page number.
Link: https://lore.kernel.org/r/20220109012853.301953-10-dgilbert@interlog.com
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
By default, this driver places a read lock around all user data fetches and
a write lock around all user data modifying operations (e.g. WRITE
commands). These locks have "per store" granularity. Other drivers that
have a similar function (e.g. null_blk) do not take this data integrity
step and run significantly faster in some tests.
In the common case of a (simulated) device to device copy (e.g. what dd
and its variants do) there should be no need for locks around data
accesses. So add the driver and sysfs parameter no_rwlock which is boolean
and when set does what its name suggests. The default is false for backward
comaptibility.
Link: https://lore.kernel.org/r/20220109012853.301953-7-dgilbert@interlog.com
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
To distinguish between resets sent by the SCSI mid-level error
handling and newly introduced devices (LUs), this Unit Attention:
power on, reset, or bus reset occurred [0x29,0x0]
has been subdivided into that UA for the reset case and this new UA:
power on occurred [0x29,0x1]
for the new device (LU) case. This makes debug a little easier to follow
when it is turned on (e.g. 'echo 0x1 > opts').
Bump driver version number.
Link: https://lore.kernel.org/r/20220109012853.301953-6-dgilbert@interlog.com
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Refine the sdebug_blk_mq_poll() function so it only takes the spinlock on
the queue when it can see one or more requests with the in_use bitmap flag
set.
Link: https://lore.kernel.org/r/20220109012853.301953-5-dgilbert@interlog.com
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When the internal in_use bit array in this driver is full returning
SCSI_MLQUEUE_HOST_BUSY leads to the mid-level reissuing the request which
is unhelpful. Previously TASK SET FULL status was only returned if ALL_TSF
[0x400] is placed in the opts variable (at load time or via sysfs). Now
ignore that setting and always return TASK SET FULL when in_use array is
full. Also set DID_ABORT together with TASK SET FULL so the mid-level gives
up immediately.
Aside: the situations addressed by this patch lead to lockups and
timeouts. They have only been detected when blk_poll() is used. That
mechanism is relatively new in the SCSI subsystem suggesting the mid-level
may need more work in that area.
Link: https://lore.kernel.org/r/20220109012853.301953-4-dgilbert@interlog.com
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When scsi_debug is loaded as a module with many (simulated) hosts, targets,
and devices (LUs), modprobe can take a long time to return. Only a small
amount of this time is spent in the scsi_debug_init(); the rest is other
parts of the kernel reacting to to the appearance of new storage
devices. As soon as scsi_debug_init() has completed the user space may call
'rmmod scsi_debug' and this was found to cause race problems as outlined
here:
https://bugzilla.kernel.org/show_bug.cgi?id=212337
To reliably generate this race a sysfs parameter called rm_all_hosts was
added and the code was strengthened in this area. The main change was to
make the count of scsi_debug hosts present an atomic. Then it was found
that the handling of the existing add_host parameter needed the same
strengthening. Further: 'echo -9999 >
/sys/bus/pseudo/drivers/scsi_debug/add_host has the same effect as
rm_all_hosts so rm_all_hosts was not needed.
To inhibit a race between two invocations of writes to add_host, a mutex
was added. Also address a possible race when rmmod is called but LUs are
still being added.
The logic to remove (all) hosts is rather crude: it works backwards down a
linked lists of hosts. Any pending requests are terminated with
DID_NO_CONNECT as are any new requests. In the case where not all hosts are
being removed, the ones that remain may have lost requests as just
outlined. The lowest numbered host (id) hosts will remain.
Cc: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220109012853.301953-2-dgilbert@interlog.com
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
While allocating firmware dump, check if dump is already collected and do
not re-allocate the buffer.
Link: https://lore.kernel.org/r/20220110050218.3958-17-njavali@marvell.com
Cc: stable@vger.kernel.org
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is an update to the original 28xx adapter enablement. Add a bunch of
conditionals that are applicable for 28xx.
Link: https://lore.kernel.org/r/20220110050218.3958-16-njavali@marvell.com
Fixes: ecc89f25e225 ("scsi: qla2xxx: Add Device ID for ISP28XX")
Cc: stable@vger.kernel.org
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
28XX adapters are capable of detecting both T10 PI tag escape values as
well as IP guard. This was missed due to the adapter type missed in the
corresponding macros. Fix this by adding support for 28xx in those macros.
Link: https://lore.kernel.org/r/20220110050218.3958-14-njavali@marvell.com
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Tested-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Silence compile warning due to unaligned memory access.
qla_edif.c:713:45: warning: taking address of packed member 'u' of class or
structure 'auth_complete_cmd' may result in an unaligned pointer value
[-Waddress-of-packed-member]
fcport = qla2x00_find_fcport_by_pid(vha, &appplogiok.u.d_id);
Link: https://lore.kernel.org/r/20220110050218.3958-13-njavali@marvell.com
Cc: stable@vger.kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
A device logout in loop topology initiates a device connection teardown
which loses the FW device handle. In loop topo, the device handle is not
regrabbed leading to device login failures and eventually to loss of the
device. Fix this by taking the main login path that does it.
Link: https://lore.kernel.org/r/20220110050218.3958-11-njavali@marvell.com
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add ql2xnvme_queues module parameter to configure number of NVMe queues
Usage:
Number of NVMe Queues that can be configured.
Final value will be min(ql2xnvme_queues, num_cpus, num_chip_queues),
1 - Minimum number of queues supported
8 - Default value
128 - Maximum number of queues supported
Link: https://lore.kernel.org/r/20220110050218.3958-10-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Shreyas Deodhar <sdeodhar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Per FW request, Exec FW can fail due to temporary error resulting in driver
not attaching to the adapter. Add retry of this command up to 4 retries.
Link: https://lore.kernel.org/r/20220110050218.3958-8-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fix stuck sessions in get port database. When a thread is in the process of
re-establishing a session, a flag is set to prevent multiple threads /
triggers from doing the same task. This flag was left on, where any attempt
to relogin was locked out. Clear this flag, if the attempt has failed.
Link: https://lore.kernel.org/r/20220110050218.3958-4-njavali@marvell.com
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The timeout handler and the done function are racing. When
qla2x00_async_iocb_timeout() starts to run it can be preempted by the
normal response path (via the firmware?). qla24xx_async_gpsc_sp_done()
releases the SRB unconditionally. When scheduling back to
qla2x00_async_iocb_timeout() qla24xx_async_abort_cmd() will access an freed
sp->qpair pointer:
qla2xxx [0000:83:00.0]-2871:0: Async-gpsc timeout - hdl=63d portid=234500 50:06:0e:80:08:77:b6:21.
qla2xxx [0000:83:00.0]-2853:0: Async done-gpsc res 0, WWPN 50:06:0e:80:08:77:b6:21
qla2xxx [0000:83:00.0]-2854:0: Async-gpsc OUT WWPN 20:45:00:27:f8:75:33:00 speeds=2c00 speed=0400.
qla2xxx [0000:83:00.0]-28d8:0: qla24xx_handle_gpsc_event 50:06:0e:80:08:77:b6:21 DS 7 LS 6 rc 0 login 1|1 rscn 1|0 lid 5
BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
IP: qla24xx_async_abort_cmd+0x1b/0x1c0 [qla2xxx]
Obvious solution to this is to introduce a reference counter. One reference
is taken for the normal code path (the 'good' case) and one for the timeout
path. As we always race between the normal good case and the timeout/abort
handler we need to serialize it. Also we cannot assume any order between
the handlers. Since this is slow path we can use proper synchronization via
locks.
When we are able to cancel a timer (del_timer returns 1) we know there
can't be any error handling in progress because the timeout handler hasn't
expired yet, thus we can safely decrement the refcounter by one.
If we are not able to cancel the timer, we know an abort handler is
running. We have to make sure we call sp->done() in the abort handlers
before calling kref_put().
Link: https://lore.kernel.org/r/20220110050218.3958-3-njavali@marvell.com
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Co-developed-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Move common open-coded asynchronous command initializing code such as
setting up the timer and the done callback into one function. This is a
preparation step and allows us later on to change the low level error flow
handling at a central place.
Link: https://lore.kernel.org/r/20220110050218.3958-2-njavali@marvell.com
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Merge tag 'bitmap-5.17-rc1' of git://github.com/norov/linux
Pull bitmap updates from Yury Norov:
- introduce for_each_set_bitrange()
- use find_first_*_bit() instead of find_next_*_bit() where possible
- unify for_each_bit() macros
* tag 'bitmap-5.17-rc1' of git://github.com/norov/linux:
vsprintf: rework bitmap_list_string
lib: bitmap: add performance test for bitmap_print_to_pagebuf
bitmap: unify find_bit operations
mm/percpu: micro-optimize pcpu_is_populated()
Replace for_each_*_bit_from() with for_each_*_bit() where appropriate
find: micro-optimize for_each_{set,clear}_bit()
include/linux: move for_each_bit() macros from bitops.h to find.h
cpumask: replace cpumask_next_* with cpumask_first_* where appropriate
tools: sync tools/bitmap with mother linux
all: replace find_next{,_zero}_bit with find_first{,_zero}_bit where appropriate
cpumask: use find_first_and_bit()
lib: add find_first_and_bit()
arch: remove GENERIC_FIND_FIRST_BIT entirely
include: move find.h from asm_generic to linux
bitops: move find_bit_*_le functions from le.h to find.h
bitops: protect find_first_{,zero}_bit properly
Merge yet more updates from Andrew Morton:
"This is the post-linux-next queue. Material which was based on or
dependent upon material which was in -next.
69 patches.
Subsystems affected by this patch series: mm (migration and zsmalloc),
sysctl, proc, and lib"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (69 commits)
mm: hide the FRONTSWAP Kconfig symbol
frontswap: remove support for multiple ops
mm: mark swap_lock and swap_active_head static
frontswap: simplify frontswap_register_ops
frontswap: remove frontswap_test
mm: simplify try_to_unuse
frontswap: remove the frontswap exports
frontswap: simplify frontswap_init
frontswap: remove frontswap_curr_pages
frontswap: remove frontswap_shrink
frontswap: remove frontswap_tmem_exclusive_gets
frontswap: remove frontswap_writethrough
mm: remove cleancache
lib/stackdepot: always do filter_irq_stacks() in stack_depot_save()
lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
proc: remove PDE_DATA() completely
fs: proc: store PDE()->data into inode->i_private
zsmalloc: replace get_cpu_var with local_lock
zsmalloc: replace per zpage lock with pool->migrate_lock
locking/rwlocks: introduce write_lock_nested
...
This series is all the stragglers that didn't quite make the first
merge window pull. It's mostly minor updates and bug fixes of merge
window code.
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:
"This series is all the stragglers that didn't quite make the first
merge window pull. It's mostly minor updates and bug fixes of merge
window code"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: nsp_cs: Check of ioremap return value
scsi: ufs: ufs-mediatek: Fix error checking in ufs_mtk_init_va09_pwr_ctrl()
scsi: ufs: Modify Tactive time setting conditions
scsi: efct: Remove useless DMA-32 fallback configuration
scsi: message: fusion: mptctl: Use dma_alloc_coherent()
scsi: message: fusion: mptsas: Use dma_alloc_coherent()
scsi: message: fusion: Use dma_alloc_coherent() in mptsas_exp_repmanufacture_info()
scsi: message: fusion: mptbase: Use dma_alloc_coherent()
scsi: message: fusion: Use dma_alloc_coherent() in mpt_alloc_fw_memory()
scsi: message: fusion: Remove usage of the deprecated "pci-dma-compat.h" API
scsi: megaraid: Avoid mismatched storage type sizes
scsi: hisi_sas: Remove unused variable and check in hisi_sas_send_ata_reset_each_phy()
scsi: aic79xx: Remove redundant error variable
scsi: pm80xx: Port reset timeout error handling correction
scsi: mpi3mr: Fix formatting problems in some kernel-doc comments
scsi: mpi3mr: Fix some spelling mistakes
scsi: mpt3sas: Update persistent trigger pages from sysfs interface
scsi: core: Fix scsi_mode_select() interface
scsi: aacraid: Fix spelling of "its"
scsi: qedf: Fix potential dereference of NULL pointer
Remove PDE_DATA() completely and replace it with pde_data().
[akpm@linux-foundation.org: fix naming clash in drivers/nubus/proc.c]
[akpm@linux-foundation.org: now fix it properly]
Link: https://lkml.kernel.org/r/20211124081956.87711-2-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Alexey Gladkov <gladkov.alexey@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/sysctl.c is a kitchen sink where everyone leaves their dirty
dishes, this makes it very difficult to maintain.
To help with this maintenance let's start by moving sysctls to places
where they actually belong. The proc sysctl maintainers do not want to
know what sysctl knobs you wish to add for your own piece of code, we
just care about the core logic.
So move the sg-big-buff sysctl from kernel/sysctl.c to drivers/scsi/sg.c
and use register_sysctl() to register the sysctl interface.
[mcgrof@kernel.org: commit log update]
Link: https://lkml.kernel.org/r/20211124231435.1445213-7-mcgrof@kernel.org
Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Amir Goldstein <amir73il@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Antti Palosaari <crope@iki.fi>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Douglas Gilbert <dgilbert@interlog.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: James E.J. Bottomley <jejb@linux.ibm.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: John Ogness <john.ogness@linutronix.de>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Julia Lawall <julia.lawall@inria.fr>
Cc: Kees Cook <keescook@chromium.org>
Cc: Lukas Middendorf <kernel@tuxforce.de>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Phillip Potter <phil@philpotter.co.uk>
Cc: Qing Wang <wangqing@vivo.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Stephen Kitt <steve@sk2.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
partial support for < MAX_ORDER - 1 granularity for virtio-mem
driver_override for vdpa
sysfs ABI documentation for vdpa
multiqueue config support for mlx5 vdpa
Misc fixes, cleanups.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"virtio,vdpa,qemu_fw_cfg: features, cleanups, and fixes.
- partial support for < MAX_ORDER - 1 granularity for virtio-mem
- driver_override for vdpa
- sysfs ABI documentation for vdpa
- multiqueue config support for mlx5 vdpa
- and misc fixes, cleanups"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (42 commits)
vdpa/mlx5: Fix tracking of current number of VQs
vdpa/mlx5: Fix is_index_valid() to refer to features
vdpa: Protect vdpa reset with cf_mutex
vdpa: Avoid taking cf_mutex lock on get status
vdpa/vdpa_sim_net: Report max device capabilities
vdpa: Use BIT_ULL for bit operations
vdpa/vdpa_sim: Configure max supported virtqueues
vdpa/mlx5: Report max device capabilities
vdpa: Support reporting max device capabilities
vdpa/mlx5: Restore cur_num_vqs in case of failure in change_num_qps()
vdpa: Add support for returning device configuration information
vdpa/mlx5: Support configuring max data virtqueue
vdpa/mlx5: Fix config_attr_mask assignment
vdpa: Allow to configure max data virtqueues
vdpa: Read device configuration only if FEATURES_OK
vdpa: Sync calls set/get config/status with cf_mutex
vdpa/mlx5: Distribute RX virtqueues in RQT object
vdpa: Provide interface to read driver features
vdpa: clean up get_config_size ret value handling
virtio_ring: mark ring unused on error
...
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Merge tag 'hyperv-next-signed-20220114' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- More patches for Hyper-V isolation VM support (Tianyu Lan)
- Bug fixes and clean-up patches from various people
* tag 'hyperv-next-signed-20220114' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
scsi: storvsc: Fix storvsc_queuecommand() memory leak
x86/hyperv: Properly deal with empty cpumasks in hyperv_flush_tlb_multi()
Drivers: hv: vmbus: Initialize request offers message for Isolation VM
scsi: storvsc: Fix unsigned comparison to zero
swiotlb: Add CONFIG_HAS_IOMEM check around swiotlb_mem_remap()
x86/hyperv: Fix definition of hv_ghcb_pg variable
Drivers: hv: Fix definition of hypercall input & output arg variables
net: netvsc: Add Isolation VM support for netvsc driver
scsi: storvsc: Add Isolation VM support for storvsc driver
hyper-v: Enable swiotlb bounce buffer for Isolation VM
x86/hyper-v: Add hyperv Isolation VM check in the cc_platform_has()
swiotlb: Add swiotlb bounce buffer remap function for HV IVM
find_first{,_zero}_bit is a more effective analogue of 'next' version if
start == 0. This patch replaces 'next' with 'first' where things look
trivial.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
This will enable cleanups down the road.
The idea is to disable cbs, then add "flush_queued_cbs" callback
as a parameter, this way drivers can flush any work
queued after callbacks have been disabled.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20211013105226.20225-1-mst@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This series consists of the usual driver updates (ufs, pm80xx, lpfc,
mpi3mr, mpt3sas, hisi_sas, libsas) and minor updates and bug fixes.
The most impactful change is likely the switch from GFP_DMA to
GFP_KERNEL in a bunch of drivers, but even that shouldn't affect too
many people.
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:
"This series consists of the usual driver updates (ufs, pm80xx, lpfc,
mpi3mr, mpt3sas, hisi_sas, libsas) and minor updates and bug fixes.
The most impactful change is likely the switch from GFP_DMA to
GFP_KERNEL in a bunch of drivers, but even that shouldn't affect too
many people"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (121 commits)
scsi: mpi3mr: Bump driver version to 8.0.0.61.0
scsi: mpi3mr: Fixes around reply request queues
scsi: mpi3mr: Enhanced Task Management Support Reply handling
scsi: mpi3mr: Use TM response codes from MPI3 headers
scsi: mpi3mr: Add io_uring interface support in I/O-polled mode
scsi: mpi3mr: Print cable mngnt and temp threshold events
scsi: mpi3mr: Support Prepare for Reset event
scsi: mpi3mr: Add Event acknowledgment logic
scsi: mpi3mr: Gracefully handle online FW update operation
scsi: mpi3mr: Detect async reset that occurred in firmware
scsi: mpi3mr: Add IOC reinit function
scsi: mpi3mr: Handle offline FW activation in graceful manner
scsi: mpi3mr: Code refactor of IOC init - part2
scsi: mpi3mr: Code refactor of IOC init - part1
scsi: mpi3mr: Fault IOC when internal command gets timeout
scsi: mpi3mr: Display IOC firmware package version
scsi: mpi3mr: Handle unaligned PLL in unmap cmnds
scsi: mpi3mr: Increase internal cmnds timeout to 60s
scsi: mpi3mr: Do access status validation before adding devices
scsi: mpi3mr: Add support for PCIe Managed Switch SES device
...
Core:
- Provide a new interface for affinity hints to provide a separation
between hint and actual affinity change which has become a hidden
property of the current interface
- Fix up the in tree usage of the affinity hint interfaces
Drivers:
- No new irqchip drivers!
- Fix GICv3 redistributor table reservation with RT across kexec
- Fix GICv4.1 redistributor view of the VPE table across kexec
- Add support for extra interrupts on spear-shirq
- Make obtaining some interrupts optional for the Renesas drivers
- Various cleanups and bug fixes
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Merge tag 'irq-core-2022-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates for the interrupt subsystem:
Core:
- Provide a new interface for affinity hints to provide a separation
between hint and actual affinity change which has become a hidden
property of the current interface
- Fix up the in tree usage of the affinity hint interfaces
Drivers:
- No new irqchip drivers!
- Fix GICv3 redistributor table reservation with RT across kexec
- Fix GICv4.1 redistributor view of the VPE table across kexec
- Add support for extra interrupts on spear-shirq
- Make obtaining some interrupts optional for the Renesas drivers
- Various cleanups and bug fixes"
* tag 'irq-core-2022-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
irqchip/renesas-intc-irqpin: Use platform_get_irq_optional() to get the interrupt
irqchip/renesas-irqc: Use platform_get_irq_optional() to get the interrupt
irqchip/gic-v4: Disable redistributors' view of the VPE table at boot time
irqchip/ingenic-tcu: Use correctly sized arguments for bit field
irqchip/gic-v2m: Add const to of_device_id
irqchip/imx-gpcv2: Mark imx_gpcv2_instance with __ro_after_init
irqchip/spear-shirq: Add support for IRQ 0..6
irqchip/gic-v3-its: Limit memreserve cpuhp state lifetime
irqchip/gic-v3-its: Postpone LPI pending table freeing and memreserve
irqchip/gic-v3-its: Give the percpu rdist struct its own flags field
net/mlx4: Use irq_update_affinity_hint()
net/mlx5: Use irq_set_affinity_and_hint()
hinic: Use irq_set_affinity_and_hint()
scsi: lpfc: Use irq_set_affinity()
mailbox: Use irq_update_affinity_hint()
ixgbe: Use irq_update_affinity_hint()
be2net: Use irq_update_affinity_hint()
enic: Use irq_update_affinity_hint()
RDMA/irdma: Use irq_update_affinity_hint()
scsi: mpt3sas: Use irq_set_affinity_and_hint()
...
Since it is possible for ioremap() to fail, 'data->MmioAddress' could be
NULL. Skip entry if ioremap() fails.
Link: https://lore.kernel.org/r/20211230021137.1823352-1-jiasheng@iscas.ac.cn
Fixes: 0e6f9d270840 ("pcmcia: use pcmcia_loop_config in scsi pcmcia drivers")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The function regulator_get() returns an error pointer. Use IS_ERR() to
validate the return value.
Link: https://lore.kernel.org/r/20211222070930.9449-1-linmq006@gmail.com
Fixes: cf137b3ea49a ("scsi: ufs-mediatek: Support VA09 regulator operations")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The Tactive time determines the waiting time before burst at hibern8 exit
and is determined by hardware at linkup time. However, in the case of
Samsung devices, increase host's Tactive time +100us for stability. If the
HCI's Tactive time is equal or greater than the device, +100us should be
set.
Link: https://lore.kernel.org/r/20220106213924.186263-1-hy50.seo@samsung.com
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Acked-by: Avri Altman <Avri.Altman@wdc.com>
Signed-off-by: SEO HOYOUNG <hy50.seo@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
As stated in [1], dma_set_mask() with a 64-bit mask never fails if
dev->dma_mask is non-NULL. So, if it fails, the 32 bits case will also
fail for the same reason.
Simplify code and remove some dead code accordingly.
While at it, return the error code returned by dma_set_mask_and_coherent()
instead of -1.
[1]: https://lkml.org/lkml/2021/6/7/398
Link: https://lore.kernel.org/r/958bcb2a6e86344c14f38369e8e7079615a2b0e3.1641754613.git.christophe.jaillet@wanadoo.fr
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fix possible memory leak in error path of storvsc_queuecommand() when
DMA mapping fails.
Signed-off-by: Juan Vazquez <juvazq@linux.microsoft.com>
Reviewed-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Link: https://lore.kernel.org/r/20220109001758.6401-1-juvazq@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
In commit 29e2bac87421 ("scsi: hisi_sas: Fix some issues related to
asd_sas_port->phy_list"), we use asd_sas_port->phy_mask instead of
accessing asd_sas_port->phy_list, and it is enough to use
asd_sas_port->phy_mask to check the state of phy, so remove the unused
check and variable.
Link: https://lore.kernel.org/r/1641300126-53574-1-git-send-email-chenxiang66@hisilicon.com
Fixes: 29e2bac87421 ("scsi: hisi_sas: Fix some issues related to asd_sas_port->phy_list")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Reported-by: Colin King <colin.i.king@gmail.com>
Acked-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The unsigned variable sg_count is being assigned a return value
from the call to scsi_dma_map() that can return -ENOMEM.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20211227040311.54584-1-yuehaibing@huawei.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Return the value from ahd_linux_queue_abort_cmd() directly instead of using
a redundant variable.
Link: https://lore.kernel.org/r/20220104112452.601899-1-chi.minghao@zte.com.cn
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: CGEL ZTE <cgel.zte@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Error handling steps were not in sequence as per the programmers
manual. Expected sequence:
- PHY_DOWN (PORT_IN_RESET)
- PORT_RESET_TIMER_TMO
- Host aborts pending I/Os
- Host deregister the device
- Host sends HW_EVENT_PHY_DOWN ACK
Previously we were sending HW_EVENT_PHY_DOWN ACK first and then deregister
the device. Fix this to use the expected sequence.
Link: https://lore.kernel.org/r/20211228111753.10802-1-Ajish.Koshy@microchip.com
Signed-off-by: Ajish Koshy <Ajish.Koshy@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
