Commit Graph

20177 Commits

Author SHA1 Message Date
Quinn Tran
abb31aeaa9 scsi: qla2xxx: Fix login timeout
Multipath errors were seen during failback due to login timeout.  The
remote device sent LOGO, the local host tore down the session and did
relogin. The RSCN arrived indicates remote device is going through failover
after which the relogin is in a 20s timeout phase.  At this point the
driver is stuck in the relogin process.  Add a fix to delete the session as
part of abort/flush the login.

Link: https://lore.kernel.org/r/20200806111014.28434-5-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>
2020-08-17 22:40:12 -04:00
Quinn Tran
4709272f63 scsi: qla2xxx: Indicate correct supported speeds for Mezz card
Correct the supported speeds for 16G Mezz card.

Link: https://lore.kernel.org/r/20200806111014.28434-4-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>
2020-08-17 22:40:11 -04:00
Quinn Tran
a117579d02 scsi: qla2xxx: Flush I/O on zone disable
Perform implicit logout to flush I/O on zone disable.

Link: https://lore.kernel.org/r/20200806111014.28434-3-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 22:40:11 -04:00
Quinn Tran
10ae30ba66 scsi: qla2xxx: Flush all sessions on zone disable
On Zone Disable, certain switches would ignore all commands. This causes
timeout for both switch scan command and abort of that command. On
detection of this condition, all sessions will be shutdown.

Link: https://lore.kernel.org/r/20200806111014.28434-2-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 22:40:10 -04:00
Enzo Matsumiya
c314a014b1 scsi: qla2xxx: Use MBX_TOV_SECONDS for mailbox command timeout values
Improves readability of qla_mbx.c.

Link: https://lore.kernel.org/r/20200805200546.22497-1-ematsumiya@suse.de
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 22:19:06 -04:00
Douglas Gilbert
223f91b480 scsi: scsi_debug: Fix scp is NULL errors
John Garry reported 'sdebug_q_cmd_complete: scp is NULL' failures that were
mainly seen on aarch64 machines (e.g. RPi 4 with four A72 CPUs). The
problem was tracked down to a missing critical section on a "short circuit"
path. Namely, the time to process the current command so far has already
exceeded the requested command duration (i.e. the number of nanoseconds in
the ndelay parameter).

The random=1 parameter setting was pivotal in finding this error.  The
failure scenario involved first taking that "short circuit" path (due to a
very short command duration) and then taking the more likely
hrtimer_start() path (due to a longer command duration). With random=1 each
command's duration is taken from the uniformly distributed [0..ndelay)
interval.  The fio utility also helped by reliably generating the error
scenario at about once per minute on a RPi 4 (64 bit OS).

Link: https://lore.kernel.org/r/20200813155738.109298-1-dgilbert@interlog.com
Reported-by: John Garry <john.garry@huawei.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 22:13:17 -04:00
Bean Huo
d87a1f6d02 scsi: ufs: No need to send Abort Task if the task in DB was cleared
If the bit corresponding to a task in the Doorbell register has been
cleared, no need to poll the status of the task on the device side and to
send an Abort Task TM. Instead, let it directly goto cleanup.

In addition, to keep original debug output, move the goto below the debug
print.

Link: https://lore.kernel.org/r/20200811141859.27399-3-huobean@gmail.com
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 22:09:14 -04:00
Stanley Chu
b10178ee7f scsi: ufs: Clean up completed request without interrupt notification
If somehow no interrupt notification is raised for a completed request and
its doorbell bit is cleared by host, UFS driver needs to cleanup its
outstanding bit in ufshcd_abort(). Otherwise, system may behave abnormally
in the following scenario:

After ufshcd_abort() returns, this request will be requeued by SCSI layer
with its outstanding bit set. Any future completed request will trigger
ufshcd_transfer_req_compl() to handle all "completed outstanding bits". At
this time the "abnormal outstanding bit" will be detected and the "requeued
request" will be chosen to execute request post-processing flow. This is
wrong because this request is still "alive".

Link: https://lore.kernel.org/r/20200811141859.27399-2-huobean@gmail.com
Reviewed-by: Can Guo <cang@codeaurora.org>
Acked-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 22:09:13 -04:00
Adrian Hunter
127d5f7c4b scsi: ufs: Improve interrupt handling for shared interrupts
For shared interrupts, the interrupt status might be zero, so check that
first.

Link: https://lore.kernel.org/r/20200811133936.19171-2-adrian.hunter@intel.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 22:03:29 -04:00
Adrian Hunter
6337f58cec scsi: ufs: Fix interrupt error message for shared interrupts
The interrupt might be shared, in which case it is not an error for the
interrupt handler to be called when the interrupt status is zero, so don't
print the message unless there was enabled interrupt status.

Link: https://lore.kernel.org/r/20200811133936.19171-1-adrian.hunter@intel.com
Fixes: 9333d77573 ("scsi: ufs: Fix irq return code")
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 22:03:29 -04:00
Adrian Hunter
8da76f71fe scsi: ufs-pci: Add quirk for broken auto-hibernate for Intel EHL
Intel EHL UFS host controller advertises auto-hibernate capability but it
does not work correctly. Add a quirk for that.

[mkp: checkpatch fix]

Link: https://lore.kernel.org/r/20200810141024.28859-1-adrian.hunter@intel.com
Fixes: 8c09d75276 ("scsi: ufshdc-pci: Add Intel PCI IDs for EHL")
Acked-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 22:00:26 -04:00
Stanley Chu
215d326702 scsi: ufs-mediatek: Fix incorrect time to wait link status
Fix incorrect calculation of "ms" based waiting time in function
ufs_mtk_setup_clocks().

Link: https://lore.kernel.org/r/20200809055702.20140-1-stanley.chu@mediatek.com
Fixes: 9006e3986f ("scsi: ufs-mediatek: Do not gate clocks if auto-hibern8 is not entered yet")
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 21:53:37 -04:00
Stanley Chu
93b6c5db06 scsi: ufs: Fix possible infinite loop in ufshcd_hold
In ufshcd_suspend(), after clk-gating is suspended and link is set
as Hibern8 state, ufshcd_hold() is still possibly invoked before
ufshcd_suspend() returns. For example, MediaTek's suspend vops may
issue UIC commands which would call ufshcd_hold() during the command
issuing flow.

Now if UFSHCD_CAP_HIBERN8_WITH_CLK_GATING capability is enabled,
then ufshcd_hold() may enter infinite loops because there is no
clk-ungating work scheduled or pending. In this case, ufshcd_hold()
shall just bypass, and keep the link as Hibern8 state.

Link: https://lore.kernel.org/r/20200809050734.18740-1-stanley.chu@mediatek.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Co-developed-by: Andy Teng <andy.teng@mediatek.com>
Signed-off-by: Andy Teng <andy.teng@mediatek.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 21:52:45 -04:00
Jing Xiangfeng
2138d1c918 scsi: ufs: ti-j721e-ufs: Fix error return in ti_j721e_ufs_probe()
Fix to return error code PTR_ERR() from the error handling case instead of
0.

Link: https://lore.kernel.org/r/20200806070135.67797-1-jingxiangfeng@huawei.com
Fixes: 22617e2163 ("scsi: ufs: ti-j721e-ufs: Fix unwinding of pm_runtime changes")
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 21:48:45 -04:00
Can Guo
5586dd8ea2 scsi: ufs: Fix a race condition between error handler and runtime PM ops
The current IRQ handler blocks SCSI requests before scheduling eh_work,
when error handler calls pm_runtime_get_sync, if ufshcd_suspend/resume
sends a SCSI cmd, most likely the SSU cmd, since SCSI requests are blocked,
pm_runtime_get_sync() will never return because ufshcd_suspend/resume is
blocked by the SCSI cmd.

 - In queuecommand path, hba->ufshcd_state check and ufshcd_send_command
   should stay under the same spin lock. This is to make sure that no more
   commands leak into doorbell after hba->ufshcd_state is changed.

 - Don't block SCSI requests before error handler starts to run, let error
   handler block SCSI requests when it is ready to start error recovery.

 - Don't let SCSI layer keep requeuing the SCSI cmds sent from HBA runtime
   PM ops, let them pass or fail them. Let them pass if eh_work is
   scheduled due to non-fatal errors. Fail them if eh_work is scheduled due
   to fatal errors, otherwise the cmds may eventually time out since UFS is
   in bad state, which gets error handler blocked for too long. If we fail
   the SCSI cmds sent from HBA runtime PM ops, HBA runtime PM ops fails
   too, but it does not hurt since error handler can recover HBA runtime PM
   error.

Link: https://lore.kernel.org/r/1596975355-39813-9-git-send-email-cang@codeaurora.org
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 20:54:56 -04:00
Can Guo
c3be8d1ee1 scsi: ufs: Move dumps in IRQ handler to error handler
Performing dumps in the IRQ handler causes system stability issues. Move
dumps to the error handler and only print basic host registers here.

Link: https://lore.kernel.org/r/1596975355-39813-8-git-send-email-cang@codeaurora.org
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 20:54:55 -04:00
Can Guo
c72e79c0ad scsi: ufs: Recover HBA runtime PM error in error handler
The current error handler can not recover HBA runtime PM error if
ufshcd_suspend/resume has failed due to UFS errors, e.g. hibern8 enter/exit
error or SSU cmd error. When this happens, error handler may fail
performing a full reset and restore because error handler always assumes
that power, IRQs and clocks are ready after pm_runtime_get_sync returns,
but actually they are not if ufshcd_resume fails[1].

If ufschd_suspend/resume fails due to UFS errors, runtime PM framework
saves the error value to dev.power.runtime_error. After that, HBA dev
runtime suspend/resume would not be invoked anymore unless runtime_error is
cleared[2].

In case of ufshcd_suspend/resume fails due to UFS errors, for scenario [1],
error handler cannot assume anything of pm_runtime_get_sync, meaning error
handler should explicitly turn ON powers, IRQs and clocks again. To get the
HBA runtime PM work as regard for scenario [2], error handler can clear the
runtime_error by calling pm_runtime_set_active() if full reset and restore
succeeds. And, more important, if pm_runtime_set_active() returns no error,
which means runtime_error has been cleared, we also need to resume those
scsi devices under HBA in case any of them has failed to be resumed due to
HBA runtime resume failure. This is to unblock blk_queue_enter in case
there are bios waiting inside it.

Link: https://lore.kernel.org/r/1596975355-39813-7-git-send-email-cang@codeaurora.org
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 20:54:54 -04:00
Can Guo
4db7a23605 scsi: ufs: Fix concurrency of error handler and other error recovery paths
Error recovery can be invoked from multiple code paths, including hibern8
enter/exit (from ufshcd_link_recovery), ufshcd_eh_host_reset_handler() and
eh_work scheduled from IRQ context. Ultimately, these paths are all trying
to invoke ufshcd_reset_and_restore() in either a synchronous or
asynchronous manner. This causes problems:

 - If link recovery happens during ungate work, ufshcd_hold() would be
   called recursively. Although commit 53c12d0ef6 ("scsi: ufs: fix error
   recovery after the hibern8 exit failure") fixed a deadlock due to
   recursive calls of ufshcd_hold() by adding a check of eh_in_progress
   into ufshcd_hold, this check allows eh_work to run in parallel while
   link recovery is running.

 - Similar concurrency can also happen when error recovery is invoked from
   ufshcd_eh_host_reset_handler and ufshcd_link_recovery.

 - Concurrency can even happen between eh_works. eh_work, currently queued
   on system_wq, is allowed to have multiple instances running in parallel,
   but we don't have proper protection for that.

If any of above concurrency scenarios happen, error recovery would fail and
lead ufs device and host into bad states. To fix the concurrency problem,
this change queues eh_work on a single threaded workqueue and removes link
recovery calls from the hibern8 enter/exit path. In addition, make use of
eh_work in eh_host_reset_handler instead of calling
ufshcd_reset_and_restore. This unifies the UFS error recovery mechanism.

According to the UFSHCI JEDEC spec, hibern8 enter/exit error occurs when
the link is broken. This essentially applies to any power mode change
operations (since they all use PACP_PWR cmds in UniPro layer). So, if a
power mode change operation (including AH8 enter/exit) fails, mark link
state as UIC_LINK_BROKEN_STATE and schedule the eh_work.  In this case,
error handler needs to do a full reset and restore to recover the link back
to active. Before the link state is recovered to active,
ufshcd_uic_pwr_ctrl simply returns -ENOLINK to avoid more errors.

Link: https://lore.kernel.org/r/1596975355-39813-6-git-send-email-cang@codeaurora.org
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 20:54:54 -04:00
Can Guo
3f8af60447 scsi: ufs: Add some debug information to ufshcd_print_host_state()
Information about the last interrupt status and timestamp is helpful when
debugging system stability issues (IRQ starvation, for instance). Add this
information to ufshcd_print_host_state() output.

In addition, UFS device information such as model name and firmware version
also comes in handy during debugging. This is printed as well.

Link: https://lore.kernel.org/r/1596975355-39813-5-git-send-email-cang@codeaurora.org
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Hongwu Su <hongwus@codeaurora.org>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 20:54:53 -04:00
Can Guo
423cc66b51 scsi: ufs-qcom: Remove testbus dump in ufs_qcom_dump_dbg_regs
Dumping testbus registers outputs a lot of information and can cause
stability issues. Remove the dump code.

Link: https://lore.kernel.org/r/1596975355-39813-4-git-send-email-cang@codeaurora.org
Reviewed-by: Hongwu Su <hongwus@codeaurora.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 20:54:52 -04:00
Can Guo
89dd87acd4 scsi: ufs: ufs-qcom: Fix race conditions caused by ufs_qcom_testbus_config()
If ufs_qcom_dump_dbg_regs() calls ufs_qcom_testbus_config() from
ufshcd_suspend/resume and/or clk gate/ungate context, pm_runtime_get_sync()
and ufshcd_hold() will cause a race condition. Fix this by removing the
unnecessary calls of pm_runtime_get_sync() and ufshcd_hold().

Link: https://lore.kernel.org/r/1596975355-39813-3-git-send-email-cang@codeaurora.org
Reviewed-by: Hongwu Su <hongwus@codeaurora.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 20:54:51 -04:00
Can Guo
2dec9475a4 scsi: ufs: Add checks before setting clk-gating states
Clock gating can be turned on/off selectively which means the associated
state information is only correct if the feature is enabled. This change
makes sure that we only look at state of clk-gating if it is enabled.

Link: https://lore.kernel.org/r/1596975355-39813-2-git-send-email-cang@codeaurora.org
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Hongwu Su <hongwus@codeaurora.org>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-17 20:54:50 -04:00
Linus Torvalds
c9c9735c46 SCSI misc on 20200814
This is the set of patches which arrived too late to stabilise in
 -next for the first pull.  It's really just an lpfc driver update and
 an assortment of minor fixes, all in drivers.  The only core update is
 to the zone block device driver, which isn't the one most people use.
 
 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 is the set of patches which arrived too late to stabilise in
  -next for the first pull.

  It's really just an lpfc driver update and an assortment of minor
  fixes, all in drivers. The only core update is to the zone block
  device driver, which isn't the one most people use"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: lpfc: Update lpfc version to 12.8.0.3
  scsi: lpfc: Fix LUN loss after cable pull
  scsi: lpfc: Fix validation of bsg reply lengths
  scsi: lpfc: Fix retry of PRLI when status indicates its unsupported
  scsi: lpfc: Fix oops when unloading driver while running mds diags
  scsi: lpfc: Fix RSCN timeout due to incorrect gidft counter
  scsi: lpfc: Fix no message shown for lpfc_hdw_queue out of range value
  scsi: lpfc: Fix FCoE speed reporting
  scsi: lpfc: Add missing misc_deregister() for lpfc_init()
  scsi: lpfc: nvmet: Avoid hang / use-after-free again when destroying targetport
  scsi: scsi_transport_sas: Add spaces around binary operator "|"
  scsi: sd_zbc: Improve zone revalidation
  scsi: libfc: Free skb in fc_disc_gpn_id_resp() for valid cases
  scsi: fcoe: Memory leak fix in fcoe_sysfs_fcf_del()
  scsi: target: Make iscsit_register_transport() return void
2020-08-14 16:01:59 -07:00
Linus Torvalds
57b0779392 virtio: fixes, features
IRQ bypass support for vdpa and IFC
 MLX5 vdpa driver
 Endian-ness fixes for virtio drivers
 Misc other fixes
 
 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:

 - IRQ bypass support for vdpa and IFC

 - MLX5 vdpa driver

 - Endianness fixes for virtio drivers

 - Misc other fixes

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (71 commits)
  vdpa/mlx5: fix up endian-ness for mtu
  vdpa: Fix pointer math bug in vdpasim_get_config()
  vdpa/mlx5: Fix pointer math in mlx5_vdpa_get_config()
  vdpa/mlx5: fix memory allocation failure checks
  vdpa/mlx5: Fix uninitialised variable in core/mr.c
  vdpa_sim: init iommu lock
  virtio_config: fix up warnings on parisc
  vdpa/mlx5: Add VDPA driver for supported mlx5 devices
  vdpa/mlx5: Add shared memory registration code
  vdpa/mlx5: Add support library for mlx5 VDPA implementation
  vdpa/mlx5: Add hardware descriptive header file
  vdpa: Modify get_vq_state() to return error code
  net/vdpa: Use struct for set/get vq state
  vdpa: remove hard coded virtq num
  vdpasim: support batch updating
  vhost-vdpa: support IOTLB batching hints
  vhost-vdpa: support get/set backend features
  vhost: generialize backend features setting/getting
  vhost-vdpa: refine ioctl pre-processing
  vDPA: dont change vq irq after DRIVER_OK
  ...
2020-08-11 14:34:17 -07:00
Linus Torvalds
049eb096da pci-v5.9-changes
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Merge tag 'pci-v5.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "Enumeration:
   - Fix pci_cfg_wait queue locking problem (Bjorn Helgaas)
   - Convert PCIe capability PCIBIOS errors to errno (Bolarinwa Olayemi
     Saheed)
   - Align PCIe capability and PCI accessor return values (Bolarinwa
     Olayemi Saheed)
   - Fix pci_create_slot() reference count leak (Qiushi Wu)
   - Announce device after early fixups (Tiezhu Yang)

  PCI device hotplug:
   - Make rpadlpar functions static (Wei Yongjun)

  Driver binding:
   - Add device even if driver attach failed (Rajat Jain)

  Virtualization:
   - xen: Remove redundant initialization of irq (Colin Ian King)

  IOMMU:
   - Add pci_pri_supported() to check device or associated PF (Ashok Raj)
   - Release IVRS table in AMD ACS quirk (Hanjun Guo)
   - Mark AMD Navi10 GPU rev 0x00 ATS as broken (Kai-Heng Feng)
   - Treat "external-facing" devices themselves as internal (Rajat Jain)

  MSI:
   - Forward MSI-X error code in pci_alloc_irq_vectors_affinity() (Piotr
     Stankiewicz)

  Error handling:
   - Clear PCIe Device Status errors only if OS owns AER (Jonathan
     Cameron)
   - Log correctable errors as warning, not error (Matt Jolly)
   - Use 'pci_channel_state_t' instead of 'enum pci_channel_state' (Luc
     Van Oostenryck)

  Peer-to-peer DMA:
   - Allow P2PDMA on AMD Zen and newer CPUs (Logan Gunthorpe)

  ASPM:
   - Add missing newline in sysfs 'policy' (Xiongfeng Wang)

  Native PCIe controllers:
   - Convert to devm_platform_ioremap_resource_byname() (Dejin Zheng)
   - Convert to devm_platform_ioremap_resource() (Dejin Zheng)
   - Remove duplicate error message from devm_pci_remap_cfg_resource()
     callers (Dejin Zheng)
   - Fix runtime PM imbalance on error (Dinghao Liu)
   - Remove dev_err() when handing an error from platform_get_irq()
     (Krzysztof Wilczyński)
   - Use pci_host_bridge.windows list directly instead of splicing in a
     temporary list for cadence, mvebu, host-common (Rob Herring)
   - Use pci_host_probe() instead of open-coding all the pieces for
     altera, brcmstb, iproc, mobiveil, rcar, rockchip, tegra, v3,
     versatile, xgene, xilinx, xilinx-nwl (Rob Herring)
   - Default host bridge parent device to the platform device (Rob
     Herring)
   - Use pci_is_root_bus() instead of tracking root bus number
     separately in aardvark, designware (imx6, keystone,
     designware-host), mobiveil, xilinx-nwl, xilinx, rockchip, rcar (Rob
     Herring)
   - Set host bridge bus number in pci_scan_root_bus_bridge() instead of
     each driver for aardvark, designware-host, host-common, mediatek,
     rcar, tegra, v3-semi (Rob Herring)
   - Move DT resource setup into devm_pci_alloc_host_bridge() (Rob
     Herring)
   - Set bridge map_irq and swizzle_irq to default functions; drivers
     that don't support legacy IRQs (iproc) need to undo this (Rob
     Herring)

  ARM Versatile PCIe controller driver:
   - Drop flag PCI_ENABLE_PROC_DOMAINS (Rob Herring)

  Cadence PCIe controller driver:
   - Use "dma-ranges" instead of "cdns,no-bar-match-nbits" property
     (Kishon Vijay Abraham I)
   - Remove "mem" from reg binding (Kishon Vijay Abraham I)
   - Fix cdns_pcie_{host|ep}_setup() error path (Kishon Vijay Abraham I)
   - Convert all r/w accessors to perform only 32-bit accesses (Kishon
     Vijay Abraham I)
   - Add support to start link and verify link status (Kishon Vijay
     Abraham I)
   - Allow pci_host_bridge to have custom pci_ops (Kishon Vijay Abraham I)
   - Add new *ops* for CPU addr fixup (Kishon Vijay Abraham I)
   - Fix updating Vendor ID and Subsystem Vendor ID register (Kishon
     Vijay Abraham I)
   - Use bridge resources for outbound window setup (Rob Herring)
   - Remove private bus number and range storage (Rob Herring)

  Cadence PCIe endpoint driver:
   - Add MSI-X support (Alan Douglas)

  HiSilicon PCIe controller driver:
   - Remove non-ECAM HiSilicon hip05/hip06 driver (Rob Herring)

  Intel VMD host bridge driver:
   - Use Shadow MEMBAR registers for QEMU/KVM guests (Jon Derrick)

  Loongson PCIe controller driver:
   - Use DECLARE_PCI_FIXUP_EARLY for bridge_class_quirk() (Tiezhu Yang)

  Marvell Aardvark PCIe controller driver:
   - Indicate error in 'val' when config read fails (Pali Rohár)
   - Don't touch PCIe registers if no card connected (Pali Rohár)

  Marvell MVEBU PCIe controller driver:
   - Setup BAR0 in order to fix MSI (Shmuel Hazan)

  Microsoft Hyper-V host bridge driver:
   - Fix a timing issue which causes kdump to fail occasionally (Wei Hu)
   - Make some functions static (Wei Yongjun)

  NVIDIA Tegra PCIe controller driver:
   - Revert tegra124 raw_violation_fixup (Nicolas Chauvet)
   - Remove PLL power supplies (Thierry Reding)

  Qualcomm PCIe controller driver:
   - Change duplicate PCI reset to phy reset (Abhishek Sahu)
   - Add missing ipq806x clocks in PCIe driver (Ansuel Smith)
   - Add missing reset for ipq806x (Ansuel Smith)
   - Add ext reset (Ansuel Smith)
   - Use bulk clk API and assert on error (Ansuel Smith)
   - Add support for tx term offset for rev 2.1.0 (Ansuel Smith)
   - Define some PARF params needed for ipq8064 SoC (Ansuel Smith)
   - Add ipq8064 rev2 variant (Ansuel Smith)
   - Support PCI speed set for ipq806x (Sham Muthayyan)

  Renesas R-Car PCIe controller driver:
   - Use devm_pci_alloc_host_bridge() (Rob Herring)
   - Use struct pci_host_bridge.windows list directly (Rob Herring)
   - Convert rcar-gen2 to use modern host bridge probe functions (Rob
     Herring)

  TI J721E PCIe driver:
   - Add TI J721E PCIe host and endpoint driver (Kishon Vijay Abraham I)

  Xilinx Versal CPM PCIe controller driver:
   - Add Versal CPM Root Port driver and YAML schema (Bharat Kumar
     Gogada)

  MicroSemi Switchtec management driver:
   - Add missing __iomem and __user tags to fix sparse warnings (Logan
     Gunthorpe)

  Miscellaneous:
   - Replace http:// links with https:// (Alexander A. Klimov)
   - Replace lkml.org, spinics, gmane with lore.kernel.org (Bjorn
     Helgaas)
   - Remove unused pci_lost_interrupt() (Heiner Kallweit)
   - Move PCI_VENDOR_ID_REDHAT definition to pci_ids.h (Huacai Chen)
   - Fix kerneldoc warnings (Krzysztof Kozlowski)"

* tag 'pci-v5.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (113 commits)
  PCI: Fix kerneldoc warnings
  PCI: xilinx-cpm: Add Versal CPM Root Port driver
  PCI: xilinx-cpm: Add YAML schemas for Versal CPM Root Port
  PCI: Set bridge map_irq and swizzle_irq to default functions
  PCI: Move DT resource setup into devm_pci_alloc_host_bridge()
  PCI: rcar-gen2: Convert to use modern host bridge probe functions
  PCI: Remove dev_err() when handing an error from platform_get_irq()
  MAINTAINERS: Add Kishon Vijay Abraham I for TI J721E SoC PCIe
  misc: pci_endpoint_test: Add J721E in pci_device_id table
  PCI: j721e: Add TI J721E PCIe driver
  PCI: switchtec: Add missing __iomem tag to fix sparse warnings
  PCI: switchtec: Add missing __iomem and __user tags to fix sparse warnings
  PCI: rpadlpar: Make functions static
  PCI/P2PDMA: Allow P2PDMA on AMD Zen and newer CPUs
  PCI: Release IVRS table in AMD ACS quirk
  PCI: Announce device after early fixups
  PCI: Mark AMD Navi10 GPU rev 0x00 ATS as broken
  PCI: Remove unused pci_lost_interrupt()
  dt-bindings: PCI: Add EP mode dt-bindings for TI's J721E SoC
  dt-bindings: PCI: Add host mode dt-bindings for TI's J721E SoC
  ...
2020-08-07 18:48:15 -07:00
Linus Torvalds
dfdf16ecfd SCSI misc on 20200806
This series consists of the usual driver updates (ufs, qla2xxx, tcmu,
 lpfc, hpsa, zfcp, scsi_debug) and minor bug fixes.  We also have a
 huge docbook fix update like most other subsystems and no major update
 to the core (the few non trivial updates are either minor fixes or
 removing an unused feature [scsi_sdb_cache]).
 
 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 consists of the usual driver updates (ufs, qla2xxx, tcmu, lpfc,
  hpsa, zfcp, scsi_debug) and minor bug fixes.

  We also have a huge docbook fix update like most other subsystems and
  no major update to the core (the few non trivial updates are either
  minor fixes or removing an unused feature [scsi_sdb_cache])"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (307 commits)
  scsi: scsi_transport_srp: Sanitize scsi_target_block/unblock sequences
  scsi: ufs-mediatek: Apply DELAY_AFTER_LPM quirk to Micron devices
  scsi: ufs: Introduce device quirk "DELAY_AFTER_LPM"
  scsi: virtio-scsi: Correctly handle the case where all LUNs are unplugged
  scsi: scsi_debug: Implement tur_ms_to_ready parameter
  scsi: scsi_debug: Fix request sense
  scsi: lpfc: Fix typo in comment for ULP
  scsi: ufs-mediatek: Prevent LPM operation on undeclared VCC
  scsi: iscsi: Do not put host in iscsi_set_flashnode_param()
  scsi: hpsa: Correct ctrl queue depth
  scsi: target: tcmu: Make TMR notification optional
  scsi: target: tcmu: Implement tmr_notify callback
  scsi: target: tcmu: Fix and simplify timeout handling
  scsi: target: tcmu: Factor out new helper ring_insert_padding
  scsi: target: tcmu: Do not queue aborted commands
  scsi: target: tcmu: Use priv pointer in se_cmd
  scsi: target: Add tmr_notify backend function
  scsi: target: Modify core_tmr_abort_task()
  scsi: target: iscsi: Fix inconsistent debug message
  scsi: target: iscsi: Fix login error when receiving
  ...
2020-08-06 16:50:07 -07:00
Linus Torvalds
9ab9bc5115 hyperv-next for 5.9
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Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - A patch series from Andrea to improve vmbus code

 - Two clean-up patches from Alexander and Randy

* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  hyperv: hyperv.h: drop a duplicated word
  tools: hv: change http to https in hv_kvp_daemon.c
  Drivers: hv: vmbus: Remove the lock field from the vmbus_channel struct
  scsi: storvsc: Introduce the per-storvsc_device spinlock
  Drivers: hv: vmbus: Remove unnecessary channel->lock critical sections (sc_list updaters)
  Drivers: hv: vmbus: Use channel_mutex in channel_vp_mapping_show()
  Drivers: hv: vmbus: Remove unnecessary channel->lock critical sections (sc_list readers)
  Drivers: hv: vmbus: Replace cpumask_test_cpu(, cpu_online_mask) with cpu_online()
  Drivers: hv: vmbus: Remove the numa_node field from the vmbus_channel struct
  Drivers: hv: vmbus: Remove the target_vp field from the vmbus_channel struct
2020-08-06 09:26:10 -07:00
Linus Torvalds
47ec5303d7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:

 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

 2) Support UDP segmentation in code TSO code, from Eric Dumazet.

 3) Allow flashing different flash images in cxgb4 driver, from Vishal
    Kulkarni.

 4) Add drop frames counter and flow status to tc flower offloading,
    from Po Liu.

 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

 6) Various new indirect call avoidance, from Eric Dumazet and Brian
    Vazquez.

 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
    Yonghong Song.

 8) Support querying and setting hardware address of a port function via
    devlink, use this in mlx5, from Parav Pandit.

 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
    maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
    Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
    Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
    Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
    drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
    infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
    avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
    Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
  net: thunderx: initialize VF's mailbox mutex before first usage
  usb: hso: remove bogus check for EINPROGRESS
  usb: hso: no complaint about kmalloc failure
  hso: fix bailout in error case of probe
  ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
  selftests/net: relax cpu affinity requirement in msg_zerocopy test
  mptcp: be careful on subflow creation
  selftests: rtnetlink: make kci_test_encap() return sub-test result
  selftests: rtnetlink: correct the final return value for the test
  net: dsa: sja1105: use detected device id instead of DT one on mismatch
  tipc: set ub->ifindex for local ipv6 address
  ipv6: add ipv6_dev_find()
  net: openvswitch: silence suspicious RCU usage warning
  Revert "vxlan: fix tos value before xmit"
  ptp: only allow phase values lower than 1 period
  farsync: switch from 'pci_' to 'dma_' API
  wan: wanxl: switch from 'pci_' to 'dma_' API
  hv_netvsc: do not use VF device if link is down
  dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
  net: macb: Properly handle phylink on at91sam9x
  ...
2020-08-05 20:13:21 -07:00
Bjorn Helgaas
0caa17f5f2 Merge branch 'pci/misc'
- Convert PCIe capability PCIBIOS errors to errno (Bolarinwa Olayemi
  Saheed)

- Align PCIe capability and PCI accessor return values (Bolarinwa Olayemi
  Saheed)

- Replace http:// links with https:// (Alexander A. Klimov)

- Replace lkml.org, spinics, gmane with lore.kernel.org (Bjorn Helgaas)

- Update panic message to mention kzalloc(), not kmalloc() (Liao Pingfang)

- Move PCI_VENDOR_ID_REDHAT definition to pci_ids.h (Huacai Chen)

- Remove unused pci_lost_interrupt() (Heiner Kallweit)

* pci/misc:
  PCI: Remove unused pci_lost_interrupt()
  PCI: Move PCI_VENDOR_ID_REDHAT definition to pci_ids.h
  PCI: Fix error in panic message
  PCI: Replace lkml.org, spinics, gmane with lore.kernel.org
  PCI: Replace http:// links with https://
  PCI: Align PCIe capability and PCI accessor return values
  PCI: Convert PCIe capability PCIBIOS errors to errno
2020-08-05 18:24:16 -05:00
Linus Torvalds
e0fc99e21e for-5.9/drivers-20200803
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Merge tag 'for-5.9/drivers-20200803' of git://git.kernel.dk/linux-block

Pull block driver updates from Jens Axboe:

 - NVMe:
      - ZNS support (Aravind, Keith, Matias, Niklas)
      - Misc cleanups, optimizations, fixes (Baolin, Chaitanya, David,
        Dongli, Max, Sagi)

 - null_blk zone capacity support (Aravind)

 - MD:
      - raid5/6 fixes (ChangSyun)
      - Warning fixes (Damien)
      - raid5 stripe fixes (Guoqing, Song, Yufen)
      - sysfs deadlock fix (Junxiao)
      - raid10 deadlock fix (Vitaly)

 - struct_size conversions (Gustavo)

 - Set of bcache updates/fixes (Coly)

* tag 'for-5.9/drivers-20200803' of git://git.kernel.dk/linux-block: (117 commits)
  md/raid5: Allow degraded raid6 to do rmw
  md/raid5: Fix Force reconstruct-write io stuck in degraded raid5
  raid5: don't duplicate code for different paths in handle_stripe
  raid5-cache: hold spinlock instead of mutex in r5c_journal_mode_show
  md: print errno in super_written
  md/raid5: remove the redundant setting of STRIPE_HANDLE
  md: register new md sysfs file 'uuid' read-only
  md: fix max sectors calculation for super 1.0
  nvme-loop: remove extra variable in create ctrl
  nvme-loop: set ctrl state connecting after init
  nvme-multipath: do not fall back to __nvme_find_path() for non-optimized paths
  nvme-multipath: fix logic for non-optimized paths
  nvme-rdma: fix controller reset hang during traffic
  nvme-tcp: fix controller reset hang during traffic
  nvmet: introduce the passthru Kconfig option
  nvmet: introduce the passthru configfs interface
  nvmet: Add passthru enable/disable helpers
  nvmet: add passthru code to process commands
  nvme: export nvme_find_get_ns() and nvme_put_ns()
  nvme: introduce nvme_ctrl_get_by_path()
  ...
2020-08-05 10:51:40 -07:00
Michael S. Tsirkin
965b535051 virtio_scsi: correct tags for config space fields
Tag config space fields as having virtio endian-ness.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
2020-08-05 11:08:40 -04:00
Dick Kennedy
7e0e8be3a1 scsi: lpfc: Update lpfc version to 12.8.0.3
Update lpfc version to 12.8.0.3

Link: https://lore.kernel.org/r/20200803210229.23063-9-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:57 -04:00
Dick Kennedy
00081c5ca4 scsi: lpfc: Fix LUN loss after cable pull
On devices that support FCP sequence error recovery, which attempts to
preserve the devices login across link bounce, adisc is used for device
validation. Turns out the device fc4 type is cleared as part of the link
bounce, but the ADISC handling doesn't restore the FC4 support as it
normally would with a PRLI. This caused situations where the device wasn't
reregistered with the transport thus scan logic and LUN discovery never
kicked in.

In the ADISC completion handling, reset the fc4 type so that transport port
reregistration occurs with the remote port.

Link: https://lore.kernel.org/r/20200803210229.23063-8-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:57 -04:00
Dick Kennedy
feb3cc57fb scsi: lpfc: Fix validation of bsg reply lengths
There are a couple of code areas which validate sufficient reply buffer
length, but the checks are using the request elements rather than the reply
elements.

Rework to validate using the reply structures.

Link: https://lore.kernel.org/r/20200803210229.23063-7-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:57 -04:00
Dick Kennedy
678768da98 scsi: lpfc: Fix retry of PRLI when status indicates its unsupported
With port bounce/address swaps and timing between initiator GID queries vs
remote port FC4 support registrations, the driver may be in a situation
where it sends PRLIs for both FCP and NVME even though the target may not
support one of the protocols. In this case, the remote port will reject the
PRLI and usually indicate it does not support the request. However, the
driver currently ignores the status of the failure and immediately retries
the PRLI, which is pointless. In the case of this one remote port, the
reception of the PRLI retry caused it to decide to send a LOGO.  The LOGO
restarted the process and the same results happened. It made the remote
port undiscoverable to either protocol.

Add logic to detect the non-support status and not attempt the retry
of the PRLI.

Link: https://lore.kernel.org/r/20200803210229.23063-6-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:57 -04:00
Dick Kennedy
24411fcd6f scsi: lpfc: Fix oops when unloading driver while running mds diags
While mds diagnostic tests are running, if the driver is requested to be
unloaded, oops or hangs are observed.  The driver doesn't terminate the
processing of diag frames when the unload is started. As such: oops may be
seen for __lpfc_sli_release_iocbq_s4 because ring memory is referenced that
was already freed; or hangs see in lpfc_nvme_wait_for_io_drain as ios no
longer complete.

If unloading, don't process diag frames. Just clean them up.

Link: https://lore.kernel.org/r/20200803210229.23063-5-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:57 -04:00
Dick Kennedy
8ccd6926db scsi: lpfc: Fix RSCN timeout due to incorrect gidft counter
In configs with a large number of initiators in the same zone (>250), RSCN
timeouts are seen when creating or deleting vports:

   lpfc 0000:07:00.1: 5:(0):0231 RSCN timeout Data: x0 x3

During RSCN processing driver issues GID_FT command to nameserver. A
counter for number of simultaneous GID_FT commands is maintained (an
unsigned value). The counter is incremented when the GID_FT is issued.  If
the GID_FT command fails for some reason the driver retries the GID_FT from
the completion call back. But the counter was decremented before the retry
was issued.  When the second GID_FT completes, the callback again tries to
decrement the counter, possibly wrapping to a very large non-zero value,
which causes the RSCN cleanup code to not execute. Thus the RSCN timeout
failure.

Do not decrement the counter on a retry. Also add defensive checks to
ensure the counter is not decremented if already zero.

Link: https://lore.kernel.org/r/20200803210229.23063-4-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:57 -04:00
Dick Kennedy
9e3e365a92 scsi: lpfc: Fix no message shown for lpfc_hdw_queue out of range value
If module parameters override the default configuration settings for
hardware queues or irqs, the driver was not notifying the change from
defaults.

Revise such that any changes will result in a kernel log message.

Link: https://lore.kernel.org/r/20200803210229.23063-3-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:57 -04:00
Dick Kennedy
a1e4d3d8ae scsi: lpfc: Fix FCoE speed reporting
Current Link speed was shown as "unknown" in sysfs for FCoE ports. In this
scenario, the port was working in 20G speed, which happens to not be a
speed handled by the driver.

Add support for all possible link speeds that could get reported from
port_speed field in link state ACQE.

Additionally, as supported_speeds can't be manipulated via the FCoE driver
on a converged ethernet port (it must be managed by the nic function),
don't fill out the supported_speeds field for the fc host object in sysfs.

Revise debug logging to report Link speed mgmt valuess.

Link: https://lore.kernel.org/r/20200803210229.23063-2-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:57 -04:00
Jing Xiangfeng
1eaff53649 scsi: lpfc: Add missing misc_deregister() for lpfc_init()
lpfc_init() misses a call misc_deregister() in an error path. Add a label
'unregister' to fix it.

Link: https://lore.kernel.org/r/20200731065639.190646-1-jingxiangfeng@huawei.com
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:57 -04:00
Ewan D. Milne
af6de8c60f scsi: lpfc: nvmet: Avoid hang / use-after-free again when destroying targetport
We cannot wait on a completion object in the lpfc_nvme_targetport structure
in the _destroy_targetport() code path because the NVMe/fc transport will
free that structure immediately after the .targetport_delete() callback.
This results in a use-after-free, and a crash if slub_debug=FZPU is
enabled.

An earlier fix put put the completion on the stack, but commit 2a0fb340fc
("scsi: lpfc: Correct localport timeout duration error") subsequently
changed the code to reference the completion through a pointer in the
object rather than the local stack variable.  Fix this by using the stack
variable directly.

Link: https://lore.kernel.org/r/20200729231011.13240-1-emilne@redhat.com
Fixes: 2a0fb340fc ("scsi: lpfc: Correct localport timeout duration error")
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:56 -04:00
Xiang Chen
8a8fb8977e scsi: scsi_transport_sas: Add spaces around binary operator "|"
According to the kernel coding style, use one space around the binary "|"
operator.

Add spaces around it.

Link: https://lore.kernel.org/r/1596454442-220565-1-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:56 -04:00
Damien Le Moal
a3d8a25736 scsi: sd_zbc: Improve zone revalidation
Currently, for zoned disks, since blk_revalidate_disk_zones() requires the
disk capacity to be set already to operate correctly, zones revalidation
can only be done on the second revalidate scan once the gendisk capacity is
set at the end of the first scan. As a result, if zone revalidation fails,
there is no second chance to recover from the failure and the disk capacity
is changed to 0, with the disk left unusable.

This can be improved by shuffling around code, specifically, by moving the
call to sd_zbc_revalidate_zones() from sd_zbc_read_zones() to the end of
sd_revalidate_disk(), after set_capacity_revalidate_and_notify() is called
to set the gendisk capacity. With this change, if sd_zbc_revalidate_zones()
fails on the first scan, the second scan will call it again to recover, if
possible.

Using the new struct scsi_disk fields rev_nr_zones and rev_zone_blocks,
sd_zbc_revalidate_zones() does actual work only if it detects a change with
the disk zone configuration. This means that for a successful zones
revalidation on the first scan, the second scan will not cause another
heavy full check.

While at it, remove the unecesary "extern" declaration of
sd_zbc_read_zones().

Link: https://lore.kernel.org/r/20200731054928.668547-1-damien.lemoal@wdc.com
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:56 -04:00
Javed Hasan
ec007ef40a scsi: libfc: Free skb in fc_disc_gpn_id_resp() for valid cases
In fc_disc_gpn_id_resp(), skb is supposed to get freed in all cases except
for PTR_ERR. However, in some cases it didn't.

This fix is to call fc_frame_free(fp) before function returns.

Link: https://lore.kernel.org/r/20200729081824.30996-2-jhasan@marvell.com
Reviewed-by: Girish Basrur <gbasrur@marvell.com>
Reviewed-by: Santosh Vernekar <svernekar@marvell.com>
Reviewed-by: Saurav Kashyap <skashyap@marvell.com>
Reviewed-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:56 -04:00
Javed Hasan
e95b4789ff scsi: fcoe: Memory leak fix in fcoe_sysfs_fcf_del()
In fcoe_sysfs_fcf_del(), we first deleted the fcf from the list and then
freed it if ctlr_dev was not NULL. This was causing a memory leak.

Free the fcf even if ctlr_dev is NULL.

Link: https://lore.kernel.org/r/20200729081824.30996-3-jhasan@marvell.com
Reviewed-by: Girish Basrur <gbasrur@marvell.com>
Reviewed-by: Santosh Vernekar <svernekar@marvell.com>
Reviewed-by: Saurav Kashyap <skashyap@marvell.com>
Reviewed-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-08-04 20:56:56 -04:00
Linus Torvalds
99ea1521a0 Remove uninitialized_var() macro for v5.9-rc1
- Clean up non-trivial uses of uninitialized_var()
 - Update documentation and checkpatch for uninitialized_var() removal
 - Treewide removal of uninitialized_var()
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Merge tag 'uninit-macro-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull uninitialized_var() macro removal from Kees Cook:
 "This is long overdue, and has hidden too many bugs over the years. The
  series has several "by hand" fixes, and then a trivial treewide
  replacement.

   - Clean up non-trivial uses of uninitialized_var()

   - Update documentation and checkpatch for uninitialized_var() removal

   - Treewide removal of uninitialized_var()"

* tag 'uninit-macro-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  compiler: Remove uninitialized_var() macro
  treewide: Remove uninitialized_var() usage
  checkpatch: Remove awareness of uninitialized_var() macro
  mm/debug_vm_pgtable: Remove uninitialized_var() usage
  f2fs: Eliminate usage of uninitialized_var() macro
  media: sur40: Remove uninitialized_var() usage
  KVM: PPC: Book3S PR: Remove uninitialized_var() usage
  clk: spear: Remove uninitialized_var() usage
  clk: st: Remove uninitialized_var() usage
  spi: davinci: Remove uninitialized_var() usage
  ide: Remove uninitialized_var() usage
  rtlwifi: rtl8192cu: Remove uninitialized_var() usage
  b43: Remove uninitialized_var() usage
  drbd: Remove uninitialized_var() usage
  x86/mm/numa: Remove uninitialized_var() usage
  docs: deprecated.rst: Add uninitialized_var()
2020-08-04 13:49:43 -07:00
Linus Torvalds
382625d0d4 for-5.9/block-20200802
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Merge tag 'for-5.9/block-20200802' of git://git.kernel.dk/linux-block

Pull core block updates from Jens Axboe:
 "Good amount of cleanups and tech debt removals in here, and as a
  result, the diffstat shows a nice net reduction in code.

   - Softirq completion cleanups (Christoph)

   - Stop using ->queuedata (Christoph)

   - Cleanup bd claiming (Christoph)

   - Use check_events, moving away from the legacy media change
     (Christoph)

   - Use inode i_blkbits consistently (Christoph)

   - Remove old unused writeback congestion bits (Christoph)

   - Cleanup/unify submission path (Christoph)

   - Use bio_uninit consistently, instead of bio_disassociate_blkg
     (Christoph)

   - sbitmap cleared bits handling (John)

   - Request merging blktrace event addition (Jan)

   - sysfs add/remove race fixes (Luis)

   - blk-mq tag fixes/optimizations (Ming)

   - Duplicate words in comments (Randy)

   - Flush deferral cleanup (Yufen)

   - IO context locking/retry fixes (John)

   - struct_size() usage (Gustavo)

   - blk-iocost fixes (Chengming)

   - blk-cgroup IO stats fixes (Boris)

   - Various little fixes"

* tag 'for-5.9/block-20200802' of git://git.kernel.dk/linux-block: (135 commits)
  block: blk-timeout: delete duplicated word
  block: blk-mq-sched: delete duplicated word
  block: blk-mq: delete duplicated word
  block: genhd: delete duplicated words
  block: elevator: delete duplicated word and fix typos
  block: bio: delete duplicated words
  block: bfq-iosched: fix duplicated word
  iocost_monitor: start from the oldest usage index
  iocost: Fix check condition of iocg abs_vdebt
  block: Remove callback typedefs for blk_mq_ops
  block: Use non _rcu version of list functions for tag_set_list
  blk-cgroup: show global disk stats in root cgroup io.stat
  blk-cgroup: make iostat functions visible to stat printing
  block: improve discard bio alignment in __blkdev_issue_discard()
  block: change REQ_OP_ZONE_RESET and REQ_OP_ZONE_RESET_ALL to be odd numbers
  block: defer flush request no matter whether we have elevator
  block: make blk_timeout_init() static
  block: remove retry loop in ioc_release_fn()
  block: remove unnecessary ioc nested locking
  block: integrate bd_start_claiming into __blkdev_get
  ...
2020-08-03 11:57:03 -07:00
David S. Miller
bd0b33b248 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Resolved kernel/bpf/btf.c using instructions from merge commit
69138b34a7

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-02 01:02:12 -07:00
Hannes Reinecke
bf1a28f92a scsi: scsi_transport_srp: Sanitize scsi_target_block/unblock sequences
The SCSI midlayer does not allow state transitions from SDEV_BLOCK to
SDEV_BLOCK so calling scsi_target_block() from __rport_fast_io_fail() is
wrong as the port is already blocked.  Similarly, we don't need to call
scsi_target_unblock() afterwards as the function has already done this.

Link: https://lore.kernel.org/r/20200728134833.42547-1-hare@suse.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-30 21:15:26 -04:00
Stanley Chu
d61fa5bc3e scsi: ufs-mediatek: Apply DELAY_AFTER_LPM quirk to Micron devices
Micron UFS devices require DELAY_AFTER_LPM device quirk in MediaTek
platforms.

Link: https://lore.kernel.org/r/20200729051840.31318-3-stanley.chu@mediatek.com
Acked-by: Avri Altman <Avri.Altman@wdc.com>
Reviewed-by: Andy Teng <andy.teng@mediatek.com>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-30 21:11:24 -04:00
Stanley Chu
c4df6eed97 scsi: ufs: Introduce device quirk "DELAY_AFTER_LPM"
Some UFS devices require delay after VCC power rail is turned off.
Introduce a device quirk "DELAY_AFTER_LPM" to add 5ms delay after VCC
power-off during suspend flow.

Link: https://lore.kernel.org/r/20200729051840.31318-2-stanley.chu@mediatek.com
Reviewed-by: Andy Teng <andy.teng@mediatek.com>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Can Guo <cang@codeaurora.org>
Acked-by: Avri Altman <Avri.Altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-30 21:10:29 -04:00
Maxim Levitsky
bb2e331468 scsi: virtio-scsi: Correctly handle the case where all LUNs are unplugged
Commit 5ff8437214 ("scsi: virtio_scsi: unplug LUNs when events missed")
missed a corner case in which all the LUNs are unplugged at the same time.

In this case INQUIRY returns DID_BAD_TARGET. Detect this and unplug the
LUN.

Link: https://lore.kernel.org/r/20200729194806.4933-2-mlevitsk@redhat.com
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-30 21:08:52 -04:00
Douglas Gilbert
fc13638ae9 scsi: scsi_debug: Implement tur_ms_to_ready parameter
The current driver responds to TEST UNIT READY (TUR) with a GOOD status
immediately after a scsi_debug device (LU) is created. This is unrealistic
as even SSDs take some time after power-on before accepting media access
commands.

Add the tur_ms_to_ready parameter whose unit is milliseconds (default 0)
and is the period before which a TUR (or any media access command) will set
the CHECK CONDITION status with a sense key of NOT READY and an additional
sense of "Logical unit is in process of becoming ready".  The period starts
when each scsi_debug device is created.

This patch was prompted by T10 proposal 20-061r2 which was accepted on
2020716. It adds that a TUR in the situation described in the previous
paragraph may set the INFO field (or descriptor) in the sense data to the
estimated number in milliseconds before a subsequent TUR will yield a GOOD
status. This patch follows that advice.

Link: https://lore.kernel.org/r/20200724155531.668144-1-dgilbert@interlog.com
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-29 00:03:52 -04:00
Douglas Gilbert
84905d34f1 scsi: scsi_debug: Fix request sense
The SCSI REQUEST SENSE command emulation was found to be broken.  It is a
quite complex command so try and make it do a subset of what it should
do. Remove the attempt to mimic SCSI-1 REQUEST SENSE (i.e. return the sense
data for the previous failed command). Add some reporting of "pollable"
sense data [see spc6r02: 5.12.2]. Keep the IEC mode page MRIE=6 TEST=1
predictive failure reporting.

Link: https://lore.kernel.org/r/20200723194819.545573-1-dgilbert@interlog.com
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-29 00:00:01 -04:00
Ferruh Yigit
02e3e588f0 scsi: lpfc: Fix typo in comment for ULP
UPL -> ULP for "Upper Layer Protocol"

Link: https://lore.kernel.org/r/20200728145606.1601726-1-ferruh.yigit@intel.com
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-28 23:49:57 -04:00
Stanley Chu
0255b1e3d8 scsi: ufs-mediatek: Prevent LPM operation on undeclared VCC
In some platforms, VCC regulator may not be declared in device tree to keep
itself "always-on". In this case, hba->vreg_info.vcc is NULL and shall not
be operated during any flow.

Prevent possible NULL hba->vreg_info.vcc access in LPM mode by checking
if it is valid first.

Link: https://lore.kernel.org/r/20200724141627.20094-1-stanley.chu@mediatek.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-28 22:59:57 -04:00
Jing Xiangfeng
68e12e5f61 scsi: iscsi: Do not put host in iscsi_set_flashnode_param()
If scsi_host_lookup() fails we will jump to put_host which may cause a
panic. Jump to exit_set_fnode instead.

Link: https://lore.kernel.org/r/20200615081226.183068-1-jingxiangfeng@huawei.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-28 22:56:24 -04:00
Don Brace
5759ff1131 scsi: hpsa: Correct ctrl queue depth
Need to set queue depth for controller devices.

Link: https://lore.kernel.org/r/159562590819.17915.12766718094041027754.stgit@brunhilda
Fixes: 30bda7848a ("scsi: hpsa: Increase controller error handling timeout")
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-28 22:34:52 -04:00
David S. Miller
a57066b1a0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The UDP reuseport conflict was a little bit tricky.

The net-next code, via bpf-next, extracted the reuseport handling
into a helper so that the BPF sk lookup code could invoke it.

At the same time, the logic for reuseport handling of unconnected
sockets changed via commit efc6b6f6c3
which changed the logic to carry on the reuseport result into the
rest of the lookup loop if we do not return immediately.

This requires moving the reuseport_has_conns() logic into the callers.

While we are here, get rid of inline directives as they do not belong
in foo.c files.

The other changes were cases of more straightforward overlapping
modifications.

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-25 17:49:04 -07:00
Lee Jones
6eaa862747 scsi: mvsas: Move 'core_nr' inside #ifdef and remove unused variable 'res_flag'
Only declare 'core_nr' if its conditions for use are met.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/mvsas/mv_init.c: In function ‘mvs_interrupt’:
 drivers/scsi/mvsas/mv_init.c:180:6: warning: variable ‘core_nr’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/mvsas/mv_init.c: In function ‘mvs_ioremap’:
 drivers/scsi/mvsas/mv_init.c:302:36: warning: variable ‘res_flag’ set but not used [-Wunused-but-set-variable]

[mkp: applied follow-up fixup patch]

Link: https://lore.kernel.org/r/20200721164148.2617584-40-lee.jones@linaro.org
Cc: Jason Yan <yanaijie@huawei.com>
Cc: Marvell <kewei@marvell.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:36:46 -04:00
Lee Jones
e3903d3182 scsi: esas2r: Demote a few non-conformant kerneldoc headers
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/esas2r/esas2r_log.c:86: warning: Function parameter or member 'level' not described in 'translate_esas2r_event_level_to_kernel'
 drivers/scsi/esas2r/esas2r_log.c:120: warning: Function parameter or member 'level' not described in 'esas2r_log_master'
 drivers/scsi/esas2r/esas2r_log.c:120: warning: Function parameter or member 'dev' not described in 'esas2r_log_master'
 drivers/scsi/esas2r/esas2r_log.c:120: warning: Function parameter or member 'format' not described in 'esas2r_log_master'
 drivers/scsi/esas2r/esas2r_log.c:120: warning: Function parameter or member 'args' not described in 'esas2r_log_master'
 drivers/scsi/esas2r/esas2r_log.c:183: warning: Function parameter or member 'level' not described in 'esas2r_log'
 drivers/scsi/esas2r/esas2r_log.c:183: warning: Function parameter or member 'format' not described in 'esas2r_log'
 drivers/scsi/esas2r/esas2r_log.c:211: warning: Function parameter or member 'level' not described in 'esas2r_log_dev'
 drivers/scsi/esas2r/esas2r_log.c:211: warning: Function parameter or member 'dev' not described in 'esas2r_log_dev'
 drivers/scsi/esas2r/esas2r_log.c:211: warning: Function parameter or member 'format' not described in 'esas2r_log_dev'
 drivers/scsi/esas2r/esas2r_log.c:237: warning: Function parameter or member 'level' not described in 'esas2r_log_hexdump'
 drivers/scsi/esas2r/esas2r_log.c:237: warning: Function parameter or member 'buf' not described in 'esas2r_log_hexdump'
 drivers/scsi/esas2r/esas2r_log.c:237: warning: Function parameter or member 'len' not described in 'esas2r_log_hexdump'

Link: https://lore.kernel.org/r/20200723122446.1329773-41-lee.jones@linaro.org
Cc: Bradley Grove <linuxdrivers@attotech.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:33:07 -04:00
Lee Jones
a8b6d0ee6e scsi: bnx2i: Add parameter description and rename another
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bnx2i/bnx2i_iscsi.c:1288: warning: Function parameter or member 'cmds_max' not described in 'bnx2i_session_create'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:2176: warning: Function parameter or member 'params' not described in 'bnx2i_nl_set_path'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:2176: warning: Excess function parameter 'buf' description in 'bnx2i_nl_set_path'

Link: https://lore.kernel.org/r/20200723122446.1329773-40-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Cc: Anil Veerabhadrappa <anilgv@broadcom.com>
Cc: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:33:07 -04:00
Lee Jones
64332c13d0 scsi: bfa: Ensure a blank line precedes next function/header
Fixes the following checkpatch warning:

 CHECK: Please use a blank line after function/struct/union/enum declarations
 #129: FILE: drivers/scsi/bfa/bfa_ioc.c:6913:
  }
 +/*

Link: https://lore.kernel.org/r/20200723122446.1329773-39-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:33:06 -04:00
Lee Jones
010f7c2ab4 scsi: qedi: Staticify non-external function 'qedi_get_iscsi_error'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qedi/qedi_iscsi.c:1549:7: warning: no previous prototype for ‘qedi_get_iscsi_error’ [-Wmissing-prototypes]

Link: https://lore.kernel.org/r/20200723122446.1329773-38-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@cavium.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:33:05 -04:00
Lee Jones
3db05fed8b scsi: qedi: Demote seemingly unintentional kerneldoc header
This is the only use of kerneldoc in the source file and no descriptions
are provided.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qedi/qedi_main.c:1969: warning: Function parameter or member 'qedi' not described in 'qedi_get_nvram_block'

Link: https://lore.kernel.org/r/20200723122446.1329773-37-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@cavium.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:33:05 -04:00
Lee Jones
20e73cb1d0 scsi: bfa: Demote seemingly unintentional kerneldoc header
This is the only use of kerneldoc in the source file and no descriptions
are provided.

Also demote standard comment.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_svc.c:3847: warning: Function parameter or member 'bfa' not described in 'bfa_fcport_get_cfg_topology'

Link: https://lore.kernel.org/r/20200723122446.1329773-36-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:33:04 -04:00
Lee Jones
310531ffc3 scsi: bfa: Demote seemingly unintentional kerneldoc header
This is the only use of kerneldoc in the source file and no
descriptions are provided.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_core.c:1245: warning: Function parameter or member 'bfa' not described in 'bfa_iocfc_qreg'
 drivers/scsi/bfa/bfa_core.c:1245: warning: Function parameter or member 'qreg' not described in 'bfa_iocfc_qreg'

Link: https://lore.kernel.org/r/20200723122446.1329773-35-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:33:04 -04:00
Lee Jones
b1a187f261 scsi: bfa: Demote non-kerneldoc headers down to standard comment blocks
This is probably historical (Doxygen?).

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_ioc.c:6646: warning: Cannot understand  * @brief hardware error definition
 drivers/scsi/bfa/bfa_ioc.c:6661: warning: Cannot understand  * @brief flash command register data structure
 drivers/scsi/bfa/bfa_ioc.c:6685: warning: Cannot understand  * @brief flash device status register data structure
 drivers/scsi/bfa/bfa_ioc.c:6711: warning: Cannot understand  * @brief flash address register data structure
 drivers/scsi/bfa/bfa_ioc.c:6732: warning: Function parameter or member 'pci_bar' not described in 'bfa_flash_set_cmd'
 drivers/scsi/bfa/bfa_ioc.c:6732: warning: Function parameter or member 'wr_cnt' not described in 'bfa_flash_set_cmd'
 drivers/scsi/bfa/bfa_ioc.c:6732: warning: Function parameter or member 'rd_cnt' not described in 'bfa_flash_set_cmd'
 drivers/scsi/bfa/bfa_ioc.c:6732: warning: Function parameter or member 'ad_cnt' not described in 'bfa_flash_set_cmd'
 drivers/scsi/bfa/bfa_ioc.c:6732: warning: Function parameter or member 'op' not described in 'bfa_flash_set_cmd'
 drivers/scsi/bfa/bfa_ioc.c:6768: warning: Cannot understand  * @brief
 drivers/scsi/bfa/bfa_ioc.c:6807: warning: Cannot understand  * @brief
 drivers/scsi/bfa/bfa_ioc.c:6852: warning: Cannot understand  * @brief
 drivers/scsi/bfa/bfa_ioc.c:6898: warning: Cannot understand  * @brief
 drivers/scsi/bfa/bfa_ioc.c:6914: warning: Cannot understand  * @brief
 drivers/scsi/bfa/bfa_ioc.c:6940: warning: Cannot understand  * @brief

Link: https://lore.kernel.org/r/20200723122446.1329773-34-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:33:00 -04:00
Lee Jones
e36e0427a4 scsi: esas2r: Add braces around the one-line if()
In certain configurations esas2r_bugon() is sometimes NULLed by the compiler.

Fixes the following W=1 kernel build warning(s):

 In file included from drivers/scsi/esas2r/esas2r_log.c:44:
 drivers/scsi/esas2r/esas2r.h: In function ‘esas2r_rq_init_request’:
 drivers/scsi/esas2r/esas2r.h:1229:17: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
 1229 | esas2r_bugon();
 | ^
 NB: Lots of these - snipped for brevity

Link: https://lore.kernel.org/r/20200723122446.1329773-33-lee.jones@linaro.org
Cc: Bradley Grove <linuxdrivers@attotech.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:52 -04:00
Lee Jones
56d244fe89 scsi: qedi: Remove set but unused variable 'tmp'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qedi/qedi_fw.c: In function ‘qedi_put_rq_bdq_buf’:
 drivers/scsi/qedi/qedi_fw.c:355:6: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200723122446.1329773-32-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@cavium.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:10 -04:00
Lee Jones
c4b68559ed scsi: be2iscsi: Correct misdocumentation of function param 'ep'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/be2iscsi/be_iscsi.c:1042: warning: Function parameter or member 'ep' not described in 'beiscsi_open_conn'
 drivers/scsi/be2iscsi/be_iscsi.c:1042: warning: Excess function parameter 'beiscsi_ep' description in 'beiscsi_open_conn'

Link: https://lore.kernel.org/r/20200723122446.1329773-31-lee.jones@linaro.org
Cc: Subbu Seetharaman <subbu.seetharaman@broadcom.com>
Cc: Ketan Mukadam <ketan.mukadam@broadcom.com>
Cc: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
Cc: linux-drivers@broadcom.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:10 -04:00
Lee Jones
89c19a8e5e scsi: bnx2i: Add, remove and edit some function parameter descriptions
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bnx2i/bnx2i_iscsi.c:241: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_bind_conn_to_iscsi_cid'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:241: warning: Excess function parameter 'conn' description in 'bnx2i_bind_conn_to_iscsi_cid'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:470: warning: Excess function parameter 'cmd' description in 'bnx2i_destroy_cmd_pool'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:595: warning: Function parameter or member 'cls_session' not described in 'bnx2i_drop_session'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:595: warning: Excess function parameter 'hba' description in 'bnx2i_drop_session'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:595: warning: Excess function parameter 'session' description in 'bnx2i_drop_session'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:1290: warning: Function parameter or member 'ep' not described in 'bnx2i_session_create'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:1979: warning: Function parameter or member 'bnx2i_ep' not described in 'bnx2i_ep_tcp_conn_active'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:1979: warning: Excess function parameter 'ep' description in 'bnx2i_ep_tcp_conn_active'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:2178: warning: Function parameter or member 'shost' not described in 'bnx2i_nl_set_path'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:2178: warning: Function parameter or member 'params' not described in 'bnx2i_nl_set_path'
 drivers/scsi/bnx2i/bnx2i_iscsi.c:2178: warning: Excess function parameter 'buf' description in 'bnx2i_nl_set_path'

Link: https://lore.kernel.org/r/20200723122446.1329773-30-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Cc: Anil Veerabhadrappa <anilgv@broadcom.com>
Cc: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:09 -04:00
Lee Jones
dd3273c9b1 scsi: bnx2i: Fix a whole host of kerneldoc issues
Mainly renames and docrot issues.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bnx2i/bnx2i_hwi.c:194: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_get_rq_buf'
 drivers/scsi/bnx2i/bnx2i_hwi.c:194: warning: Excess function parameter 'conn' description in 'bnx2i_get_rq_buf'
 drivers/scsi/bnx2i/bnx2i_hwi.c:232: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_put_rq_buf'
 drivers/scsi/bnx2i/bnx2i_hwi.c:232: warning: Excess function parameter 'conn' description in 'bnx2i_put_rq_buf'
 drivers/scsi/bnx2i/bnx2i_hwi.c:269: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_ring_sq_dbell'
 drivers/scsi/bnx2i/bnx2i_hwi.c:269: warning: Excess function parameter 'conn' description in 'bnx2i_ring_sq_dbell'
 drivers/scsi/bnx2i/bnx2i_hwi.c:293: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_ring_dbell_update_sq_params'
 drivers/scsi/bnx2i/bnx2i_hwi.c:293: warning: Excess function parameter 'conn' description in 'bnx2i_ring_dbell_update_sq_params'
 drivers/scsi/bnx2i/bnx2i_hwi.c:331: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_send_iscsi_login'
 drivers/scsi/bnx2i/bnx2i_hwi.c:331: warning: Function parameter or member 'task' not described in 'bnx2i_send_iscsi_login'
 drivers/scsi/bnx2i/bnx2i_hwi.c:331: warning: Excess function parameter 'conn' description in 'bnx2i_send_iscsi_login'
 drivers/scsi/bnx2i/bnx2i_hwi.c:331: warning: Excess function parameter 'cmd' description in 'bnx2i_send_iscsi_login'
 drivers/scsi/bnx2i/bnx2i_hwi.c:384: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_send_iscsi_tmf'
 drivers/scsi/bnx2i/bnx2i_hwi.c:384: warning: Excess function parameter 'conn' description in 'bnx2i_send_iscsi_tmf'
 drivers/scsi/bnx2i/bnx2i_hwi.c:458: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_send_iscsi_text'
 drivers/scsi/bnx2i/bnx2i_hwi.c:458: warning: Excess function parameter 'conn' description in 'bnx2i_send_iscsi_text'
 drivers/scsi/bnx2i/bnx2i_hwi.c:506: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_send_iscsi_scsicmd'
 drivers/scsi/bnx2i/bnx2i_hwi.c:506: warning: Excess function parameter 'conn' description in 'bnx2i_send_iscsi_scsicmd'
 drivers/scsi/bnx2i/bnx2i_hwi.c:533: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_send_iscsi_nopout'
 drivers/scsi/bnx2i/bnx2i_hwi.c:533: warning: Function parameter or member 'task' not described in 'bnx2i_send_iscsi_nopout'
 drivers/scsi/bnx2i/bnx2i_hwi.c:533: warning: Excess function parameter 'conn' description in 'bnx2i_send_iscsi_nopout'
 drivers/scsi/bnx2i/bnx2i_hwi.c:533: warning: Excess function parameter 'cmd' description in 'bnx2i_send_iscsi_nopout'
 drivers/scsi/bnx2i/bnx2i_hwi.c:590: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_send_iscsi_logout'
 drivers/scsi/bnx2i/bnx2i_hwi.c:590: warning: Function parameter or member 'task' not described in 'bnx2i_send_iscsi_logout'
 drivers/scsi/bnx2i/bnx2i_hwi.c:590: warning: Excess function parameter 'conn' description in 'bnx2i_send_iscsi_logout'
 drivers/scsi/bnx2i/bnx2i_hwi.c:590: warning: Excess function parameter 'cmd' description in 'bnx2i_send_iscsi_logout'
 drivers/scsi/bnx2i/bnx2i_hwi.c:686: warning: Function parameter or member 't' not described in 'bnx2i_ep_ofld_timer'
 drivers/scsi/bnx2i/bnx2i_hwi.c:686: warning: Excess function parameter 'data' description in 'bnx2i_ep_ofld_timer'
 drivers/scsi/bnx2i/bnx2i_hwi.c:1672: warning: Function parameter or member 'bnx2i_conn' not described in 'bnx2i_unsol_pdu_adjust_rq'
 drivers/scsi/bnx2i/bnx2i_hwi.c:1672: warning: Excess function parameter 'conn' description in 'bnx2i_unsol_pdu_adjust_rq'
 drivers/scsi/bnx2i/bnx2i_hwi.c:1900: warning: Function parameter or member 'session' not described in 'bnx2i_queue_scsi_cmd_resp'
 drivers/scsi/bnx2i/bnx2i_hwi.c:1900: warning: Function parameter or member 'cqe' not described in 'bnx2i_queue_scsi_cmd_resp'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2476: warning: Function parameter or member 'context' not described in 'bnx2i_indicate_kcqe'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2476: warning: Function parameter or member 'kcqe' not described in 'bnx2i_indicate_kcqe'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2476: warning: Function parameter or member 'num_cqe' not described in 'bnx2i_indicate_kcqe'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2476: warning: Excess function parameter 'hba' description in 'bnx2i_indicate_kcqe'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2476: warning: Excess function parameter 'update_kcqe' description in 'bnx2i_indicate_kcqe'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2624: warning: Function parameter or member 'cm_sk' not described in 'bnx2i_cm_remote_close'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2624: warning: Excess function parameter 'hba' description in 'bnx2i_cm_remote_close'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2624: warning: Excess function parameter 'update_kcqe' description in 'bnx2i_cm_remote_close'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2641: warning: Function parameter or member 'cm_sk' not described in 'bnx2i_cm_remote_abort'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2641: warning: Excess function parameter 'hba' description in 'bnx2i_cm_remote_abort'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2641: warning: Excess function parameter 'update_kcqe' description in 'bnx2i_cm_remote_abort'
 drivers/scsi/bnx2i/bnx2i_hwi.c:2677: warning: cannot understand function prototype: 'struct cnic_ulp_ops bnx2i_cnic_cb = '

Link: https://lore.kernel.org/r/20200723122446.1329773-29-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Cc: Anil Veerabhadrappa <anilgv@broadcom.com>
Cc: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:08 -04:00
Lee Jones
e95fcb7792 scsi: bfa: Remove unused variable 'adisc'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_fcs_rport.c: In function ‘bfa_fcs_rport_process_adisc’:
 drivers/scsi/bfa/bfa_fcs_rport.c:2243:21: warning: variable ‘adisc’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200723122446.1329773-28-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:08 -04:00
Lee Jones
eaefa33014 scsi: bfa: Demote non-compliant kerneldoc headers to standard comments
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_ioc_ct.c:504: warning: Function parameter or member 'ioc' not described in 'bfa_ioc_set_ctx_hwif'
 drivers/scsi/bfa/bfa_ioc_ct.c:504: warning: Function parameter or member 'hwif' not described in 'bfa_ioc_set_ctx_hwif'
 drivers/scsi/bfa/bfa_ioc_ct.c:525: warning: Function parameter or member 'ioc' not described in 'bfa_ioc_set_ct_hwif'
 drivers/scsi/bfa/bfa_ioc_ct.c:540: warning: Function parameter or member 'ioc' not described in 'bfa_ioc_set_ct2_hwif'

Link: https://lore.kernel.org/r/20200723122446.1329773-26-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:07 -04:00
Lee Jones
f5816509a2 scsi: csiostor: Add missing description for csio_rnode_fwevt_handler()'s 'fwevt' param
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/csiostor/csio_rnode.c:869: warning: Function parameter or member 'fwevt' not described in 'csio_rnode_fwevt_handler'

Link: https://lore.kernel.org/r/20200723122446.1329773-25-lee.jones@linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:07 -04:00
Lee Jones
00025fc7e6 scsi: bfa: Staticify non-external functions
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_ioc.c:5023:1: warning: no previous prototype for ‘bfa_diag_intr’ [-Wmissing-prototypes]
 5023 | bfa_diag_intr(void *diagarg, struct bfi_mbmsg_s *msg)
 | ^~~~~~~~~~~~~
 drivers/scsi/bfa/bfa_ioc.c:6966:1: warning: no previous prototype for ‘bfa_flash_sem_get’ [-Wmissing-prototypes]
 6966 | bfa_flash_sem_get(void __iomem *bar)
 | ^~~~~~~~~~~~~~~~~
 drivers/scsi/bfa/bfa_ioc.c:6979:1: warning: no previous prototype for ‘bfa_flash_sem_put’ [-Wmissing-prototypes]
 6979 | bfa_flash_sem_put(void __iomem *bar)
 | ^~~~~~~~~~~~~~~~~

Link: https://lore.kernel.org/r/20200723122446.1329773-24-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:06 -04:00
Lee Jones
f11106c93f scsi: csiostor: Remove 2 unused variables {mc,edc}_bist_status_rdata_reg
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/csiostor/csio_hw_t5.c: In function ‘csio_t5_mc_read’:
 drivers/scsi/csiostor/csio_hw_t5.c:151:11: warning: variable ‘mc_bist_status_rdata_reg’ set but not used [-Wunused-but-set-variable]
 151 | uint32_t mc_bist_status_rdata_reg, mc_bist_data_pattern_reg;
 | ^~~~~~~~~~~~~~~~~~~~~~~~
 drivers/scsi/csiostor/csio_hw_t5.c: In function ‘csio_t5_edc_read’:
 drivers/scsi/csiostor/csio_hw_t5.c:199:38: warning: variable ‘edc_bist_status_rdata_reg’ set but not used [-Wunused-but-set-variable]
 199 | uint32_t edc_bist_cmd_data_pattern, edc_bist_status_rdata_reg;
 | ^~~~~~~~~~~~~~~~~~~~~~~~~

Link: https://lore.kernel.org/r/20200723122446.1329773-23-lee.jones@linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:05 -04:00
Lee Jones
085d46fd22 scsi: csiostor: Mark known unused variable as __always_unused
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/csiostor/csio_hw.c: In function ‘csio_hw_get_vpd_params’:
 drivers/scsi/csiostor/csio_hw.c:309:8: warning: variable ‘s’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200723122446.1329773-22-lee.jones@linaro.org
Cc: Arkadiusz Drabczyk <arkadiusz@drabczyk.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:05 -04:00
Lee Jones
c7ccd038b7 scsi: bfa: Remove a few unused variables 'pgoff' and 't'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_ioc.c: In function ‘bfa_iocpf_sm_fwcheck_entry’:
 drivers/scsi/bfa/bfa_ioc.c:704:27: warning: variable ‘pgoff’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/bfa/bfa_ioc.c: In function ‘bfa_ioc_fwver_get’:
 drivers/scsi/bfa/bfa_ioc.c:1443:13: warning: variable ‘pgoff’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/bfa/bfa_ioc.c: In function ‘bfa_ioc_fwsig_invalidate’:
 drivers/scsi/bfa/bfa_ioc.c:1665:13: warning: variable ‘pgoff’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/bfa/bfa_ioc.c: In function ‘bfa_ioc_download_fw’:
 drivers/scsi/bfa/bfa_ioc.c:1866:13: warning: variable ‘pgoff’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/bfa/bfa_ioc.c: In function ‘bfa_diag_memtest_done’:
 drivers/scsi/bfa/bfa_ioc.c:4766:13: warning: variable ‘pgoff’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/bfa/bfa_ioc.c: In function ‘bfa_flash_fifo_flush’:
 drivers/scsi/bfa/bfa_ioc.c:6787:6: warning: variable ‘t’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200723122446.1329773-21-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:04 -04:00
Lee Jones
22f8c07741 scsi: lpfc: Add description for lpfc_release_rpi()'s 'ndlpl param
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_nportdisc.c:1079: warning: Function parameter or member 'ndlp' not described in 'lpfc_release_rpi'

Link: https://lore.kernel.org/r/20200723122446.1329773-20-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:04 -04:00
Lee Jones
012d019f5a scsi: lpfc: Fix a bunch of kerneldoc misdemeanors
Adding, removing and correcting function parameter descriptions.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_mbox.c:886: warning: Function parameter or member 'vport' not described in 'lpfc_reg_vpi'
 drivers/scsi/lpfc/lpfc_mbox.c:886: warning: Excess function parameter 'phba' description in 'lpfc_reg_vpi'
 drivers/scsi/lpfc/lpfc_mbox.c:886: warning: Excess function parameter 'vpi' description in 'lpfc_reg_vpi'
 drivers/scsi/lpfc/lpfc_mbox.c:886: warning: Excess function parameter 'sid' description in 'lpfc_reg_vpi'
 drivers/scsi/lpfc/lpfc_mbox.c:1218: warning: Function parameter or member 'ring' not described in 'lpfc_config_ring'
 drivers/scsi/lpfc/lpfc_mbox.c:1626: warning: Function parameter or member 'mboxq' not described in 'lpfc_mbox_tmo_val'
 drivers/scsi/lpfc/lpfc_mbox.c:1626: warning: Excess function parameter 'cmd' description in 'lpfc_mbox_tmo_val'
 drivers/scsi/lpfc/lpfc_mbox.c:1710: warning: Function parameter or member 'sge' not described in 'lpfc_sli4_mbx_sge_get'
 drivers/scsi/lpfc/lpfc_mbox.c:1780: warning: Function parameter or member 'emb' not described in 'lpfc_sli4_config'
 drivers/scsi/lpfc/lpfc_mbox.c:2027: warning: Function parameter or member 'mboxq' not described in 'lpfc_sli4_mbx_read_fcf_rec'
 drivers/scsi/lpfc/lpfc_mbox.c:2078: warning: Function parameter or member 'phba' not described in 'lpfc_request_features'

Link: https://lore.kernel.org/r/20200723122446.1329773-19-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:03 -04:00
Lee Jones
d10d1df630 scsi: qla4xxx: Rename function parameter descriptions
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_bsg.c:811: warning: Function parameter or member 'bsg_job' not described in 'qla4xxx_process_vendor_specific'
 drivers/scsi/qla4xxx/ql4_bsg.c:811: warning: Excess function parameter 'job' description in 'qla4xxx_process_vendor_specific'
 drivers/scsi/qla4xxx/ql4_bsg.c:858: warning: Function parameter or member 'bsg_job' not described in 'qla4xxx_bsg_request'
 drivers/scsi/qla4xxx/ql4_bsg.c:858: warning: Excess function parameter 'job' description in 'qla4xxx_bsg_request'

Link: https://lore.kernel.org/r/20200723122446.1329773-18-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:02 -04:00
Lee Jones
fe614acd58 scsi: lpfc: Add and rename a whole bunch of function parameter descriptions
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_init.c:1136: warning: Function parameter or member 't' not described in 'lpfc_hb_timeout'
 drivers/scsi/lpfc/lpfc_init.c:1136: warning: Excess function parameter 'ptr' description in 'lpfc_hb_timeout'
 drivers/scsi/lpfc/lpfc_init.c:1170: warning: Function parameter or member 't' not described in 'lpfc_rrq_timeout'
 drivers/scsi/lpfc/lpfc_init.c:1170: warning: Excess function parameter 'ptr' description in 'lpfc_rrq_timeout'
 drivers/scsi/lpfc/lpfc_init.c:1232: warning: Function parameter or member 'work' not described in 'lpfc_idle_stat_delay_work'
 drivers/scsi/lpfc/lpfc_init.c:1817: warning: Function parameter or member 'en_rn_msg' not described in 'lpfc_sli4_port_sta_fn_reset'
 drivers/scsi/lpfc/lpfc_init.c:3033: warning: Function parameter or member 'mbx_action' not described in 'lpfc_block_mgmt_io'
 drivers/scsi/lpfc/lpfc_init.c:3481: warning: Function parameter or member 'mbx_action' not described in 'lpfc_offline_prep'
 drivers/scsi/lpfc/lpfc_init.c:4150: warning: Function parameter or member 'phba' not described in 'lpfc_new_io_buf'
 drivers/scsi/lpfc/lpfc_init.c:4150: warning: Function parameter or member 'num_to_alloc' not described in 'lpfc_new_io_buf'
 drivers/scsi/lpfc/lpfc_init.c:4150: warning: Excess function parameter 'vport' description in 'lpfc_new_io_buf'
 drivers/scsi/lpfc/lpfc_init.c:4150: warning: Excess function parameter 'num_to_allocate' description in 'lpfc_new_io_buf'
 drivers/scsi/lpfc/lpfc_init.c:4736: warning: Function parameter or member 't' not described in 'lpfc_sli4_fcf_redisc_wait_tmo'
 drivers/scsi/lpfc/lpfc_init.c:4736: warning: Excess function parameter 'ptr' description in 'lpfc_sli4_fcf_redisc_wait_tmo'
 drivers/scsi/lpfc/lpfc_init.c:5103: warning: Excess function parameter 'evt_code' description in 'lpfc_async_link_speed_to_read_top'
 drivers/scsi/lpfc/lpfc_init.c:5377: warning: Function parameter or member 'acqe_sli' not described in 'lpfc_sli4_async_sli_evt'
 drivers/scsi/lpfc/lpfc_init.c:5377: warning: Excess function parameter 'acqe_fc' description in 'lpfc_sli4_async_sli_evt'
 drivers/scsi/lpfc/lpfc_init.c:5634: warning: Function parameter or member 'phba' not described in 'lpfc_sli4_perform_all_vport_cvl'
 drivers/scsi/lpfc/lpfc_init.c:5634: warning: Excess function parameter 'vport' description in 'lpfc_sli4_perform_all_vport_cvl'
 drivers/scsi/lpfc/lpfc_init.c:5655: warning: Function parameter or member 'acqe_fip' not described in 'lpfc_sli4_async_fip_evt'
 drivers/scsi/lpfc/lpfc_init.c:5655: warning: Excess function parameter 'acqe_link' description in 'lpfc_sli4_async_fip_evt'
 drivers/scsi/lpfc/lpfc_init.c:5908: warning: Function parameter or member 'acqe_dcbx' not described in 'lpfc_sli4_async_dcbx_evt'
 drivers/scsi/lpfc/lpfc_init.c:5908: warning: Excess function parameter 'acqe_link' description in 'lpfc_sli4_async_dcbx_evt'
 drivers/scsi/lpfc/lpfc_init.c:5927: warning: Function parameter or member 'acqe_grp5' not described in 'lpfc_sli4_async_grp5_evt'
 drivers/scsi/lpfc/lpfc_init.c:5927: warning: Excess function parameter 'acqe_link' description in 'lpfc_sli4_async_grp5_evt'
 drivers/scsi/lpfc/lpfc_init.c:7279: warning: Function parameter or member 'iocb_count' not described in 'lpfc_init_iocb_list'
 drivers/scsi/lpfc/lpfc_init.c:8227: warning: Function parameter or member 'if_type' not described in 'lpfc_sli4_bar1_register_memmap'
 drivers/scsi/lpfc/lpfc_init.c:8414: warning: Excess function parameter 'phba' description in 'LINK_FLAGS_DEF'
 drivers/scsi/lpfc/lpfc_init.c:8414: warning: Excess function parameter 'rdconf' description in 'LINK_FLAGS_DEF'
 drivers/scsi/lpfc/lpfc_init.c:10734: warning: Function parameter or member 'cfg_mode' not described in 'lpfc_sli_enable_intr'
 drivers/scsi/lpfc/lpfc_init.c:11241: warning: Function parameter or member 'eqlist' not described in 'lpfc_cpuhp_get_eq'
 drivers/scsi/lpfc/lpfc_init.c:11726: warning: Function parameter or member 'cfg_mode' not described in 'lpfc_sli4_enable_intr'
 drivers/scsi/lpfc/lpfc_init.c:12997: warning: Excess function parameter 'ret' description in 'lpfc_write_firmware'
 drivers/scsi/lpfc/lpfc_init.c:13103: warning: Function parameter or member 'fw_upgrade' not described in 'lpfc_sli4_request_firmware_update'

Link: https://lore.kernel.org/r/20200723122446.1329773-17-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:02 -04:00
Lee Jones
7fa03c77cd scsi: lpfc: Use __printf() format notation
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_init.c: In function ‘lpfc_dbg_print’:
 drivers/scsi/lpfc/lpfc_init.c:14212:6: warning: function ‘lpfc_dbg_print’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
 14212 | sizeof(phba->dbg_log[idx].log), fmt, args);
 | ^~~~~~

Link: https://lore.kernel.org/r/20200723122446.1329773-16-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:01 -04:00
Lee Jones
6e3f4f6882 scsi: qla4xxx: Remove set but unused variable 'status'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_83xx.c: In function ‘qla4_83xx_dump_pause_control_regs’:
 drivers/scsi/qla4xxx/ql4_83xx.c:1409:9: warning: variable ‘status’ set but not used [-Wunused-but-set-variable]
 1409 | int i, status = QLA_SUCCESS;
 | ^~~~~~

Link: https://lore.kernel.org/r/20200723122446.1329773-15-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:00 -04:00
Lee Jones
00e245655e scsi: ips: Convert strnlen() to memcpy() since result should not be NUL terminated
Fixes the following W=1 kernel build warning(s):

 In file included from arch/arm/include/asm/io.h:23,
 from drivers/scsi/ips.c:164:
 In function ‘strncpy’,
 inlined from ‘ips_send_cmd’ at drivers/scsi/ips.c:3522:6:
 include/linux/string.h:297:30: warning: ‘__builtin_strncpy’ output
 truncated before terminating nul cop ying 4 bytes from a string of the same length [-Wstringop-truncation]
 297 | #define __underlying_strncpy __builtin_strncpy
 | ^
 include/linux/string.h:307:9: note: in expansion of macro ‘__underlying_strncpy’
 307 | return __underlying_strncpy(p, q, size);
 | ^~~~~~~~~~~~~~~~~~~~
 NB: Lots of these - snipping for brevity

Link: https://lore.kernel.org/r/20200723122446.1329773-14-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: ipslinux@adaptec.com
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:32:00 -04:00
Lee Jones
ffe1757e45 scsi: ips: Remove some set but unused variables
Intentionally keeping all register reads/writes.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/ips.c: In function ‘ips_init_copperhead’:
 drivers/scsi/ips.c:4700:10: warning: variable ‘ConfigByte’ set but not used [-Wunused-but-set-variable]
 4700 | uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
 | ^~~~~~~~~~
 drivers/scsi/ips.c: In function ‘ips_init_copperhead_memio’:
 drivers/scsi/ips.c:4794:10: warning: variable ‘ConfigByte’ set but not used [-Wunused-but-set-variable]
 4794 | uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
 | ^~~~~~~~~~
 drivers/scsi/ips.c: In function ‘ips_init_phase1’:
 drivers/scsi/ips.c:6839:10: warning: variable ‘func’ set but not used [-Wunused-but-set-variable]
 6839 | uint8_t func;
 | ^~~~
 drivers/scsi/ips.c:6838:10: warning: variable ‘bus’ set but not used [-Wunused-but-set-variable]
 6838 | uint8_t bus;
 | ^~~

Link: https://lore.kernel.org/r/20200723122446.1329773-13-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: ipslinux@adaptec.com
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:59 -04:00
Lee Jones
e4020e0835 scsi: qedi: Remove 2 set but unused variables
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qedi/qedi_main.c: In function ‘qedi_queue_cqe’:
 drivers/scsi/qedi/qedi_main.c:1158:21: warning: variable ‘conn’ set but not used [-Wunused-but-set-variable]
 1158 | struct iscsi_conn *conn;
 | ^~~~
 drivers/scsi/qedi/qedi_main.c: In function ‘__qedi_probe’:
 drivers/scsi/qedi/qedi_main.c:2432:6: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable]
 2432 | u16 tmp;
 | ^~~

Link: https://lore.kernel.org/r/20200723122446.1329773-12-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@cavium.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:58 -04:00
Lee Jones
7106de1d8a scsi: bfa: Demote seemingly unintentional kerneldoc header
This is the only use of kerneldoc in the source file and no descriptions
are provided.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_fcpim.c:3829: warning: Function parameter or member 'bfa' not described in 'bfa_fcpim_get_throttle_cfg'
 drivers/scsi/bfa/bfa_fcpim.c:3829: warning: Function parameter or member 'drv_cfg_param' not described in 'bfa_fcpim_get_throttle_cfg'

Link: https://lore.kernel.org/r/20200723122446.1329773-11-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:58 -04:00
Lee Jones
70b4de0bb9 scsi: bfa: Remove set but unused variable 'rp'
This change subsequently makes 'rp_fcs' unused also.  Remove that too.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_fcpim.c: In function ‘bfa_fcpim_lunmask_delete’:
 drivers/scsi/bfa/bfa_fcpim.c:2338:22: warning: variable ‘rp’ set but not used [-Wunused-but-set-variable]
 2338 | struct bfa_rport_s *rp = NULL;
 | ^~

Link: https://lore.kernel.org/r/20200723122446.1329773-10-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:57 -04:00
Lee Jones
2ad6e0c339 scsi: bnx2i: Add missing descriptions for 'attr' parameter
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bnx2i/bnx2i_sysfs.c:40: warning: Function parameter or member 'attr' not described in 'bnx2i_show_sq_info'
 drivers/scsi/bnx2i/bnx2i_sysfs.c:60: warning: Function parameter or member 'attr' not described in 'bnx2i_set_sq_info'
 drivers/scsi/bnx2i/bnx2i_sysfs.c:96: warning: Function parameter or member 'attr' not described in 'bnx2i_show_ccell_info'
 drivers/scsi/bnx2i/bnx2i_sysfs.c:114: warning: Function parameter or member 'attr' not described in 'bnx2i_set_ccell_info'

Link: https://lore.kernel.org/r/20200723122446.1329773-9-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Cc: Anil Veerabhadrappa <anilgv@broadcom.com>
Cc: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:57 -04:00
Lee Jones
0aaaa04a7a scsi: bfa: Staticify local functions
These calls are not invoked externally.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_port.c:760:1: warning: no previous prototype for ‘bfa_cee_isr’ [-Wmissing-prototypes]
 760 | bfa_cee_isr(void *cbarg, struct bfi_mbmsg_s *m)
 | ^~~~~~~~~~~
 drivers/scsi/bfa/bfa_port.c:796:1: warning: no previous prototype for ‘bfa_cee_notify’ [-Wmissing-prototypes]
 796 | bfa_cee_notify(void *arg, enum bfa_ioc_event_e event)
 | ^~~~~~~~~~~~~~

Link: https://lore.kernel.org/r/20200723122446.1329773-8-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:56 -04:00
Lee Jones
b44cc4a40b scsi: ufs: ufs-exynos: Demote seemingly unintentional kerneldoc header
This is the only use of kerneldoc in the source file and no descriptions
are provided.

Fixes the following W=1 kernel build warning(s):

In file included from  drivers/scsi/ufs/ufs-exynos.c:23:
 drivers/scsi/ufs/ufs-exynos.c:234: warning: Function parameter or member 'ufs' not described in 'exynos_ufs_auto_ctrl_hcc'
 drivers/scsi/ufs/ufs-exynos.c:234: warning: Function parameter or member 'en' not described in 'exynos_ufs_auto_ctrl_hcc'

Link: https://lore.kernel.org/r/20200723122446.1329773-7-lee.jones@linaro.org
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Avri Altman <avri.altman@wdc.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Seungwon Jeon <essuuj@gmail.com>
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:55 -04:00
Lee Jones
b4688a7e01 scsi: bnx2i: Fix parameter misnaming in function header
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bnx2i/bnx2i_init.c:83: warning: Function parameter or member 'dev' not described in 'bnx2i_identify_device'
 drivers/scsi/bnx2i/bnx2i_init.c:83: warning: Excess function parameter 'cnic' description in 'bnx2i_identify_device'

Link: https://lore.kernel.org/r/20200723122446.1329773-5-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Cc: Anil Veerabhadrappa <anilgv@broadcom.com>
Cc: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:55 -04:00
Lee Jones
bc5b681614 scsi: ufs: ufs-qcom: Demote nonconformant kerneldoc headers
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/ufs/ufs-qcom.c:253: warning: Function parameter or member 'hba' not described in 'ufs_qcom_host_reset'
 drivers/scsi/ufs/ufs-qcom.c:383: warning: Function parameter or member 'hba' not described in 'ufs_qcom_cfg_timers'
 drivers/scsi/ufs/ufs-qcom.c:383: warning: Function parameter or member 'gear' not described in 'ufs_qcom_cfg_timers'
 drivers/scsi/ufs/ufs-qcom.c:383: warning: Function parameter or member 'hs' not described in 'ufs_qcom_cfg_timers'
 drivers/scsi/ufs/ufs-qcom.c:383: warning: Function parameter or member 'rate' not described in 'ufs_qcom_cfg_timers'
 drivers/scsi/ufs/ufs-qcom.c:383: warning: Function parameter or member 'update_link_startup_timer' not described in 'ufs_qcom_cfg_timers'
 drivers/scsi/ufs/ufs-qcom.c:1738: error: Cannot parse struct or union!

Link: https://lore.kernel.org/r/20200723122446.1329773-4-lee.jones@linaro.org
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Avri Altman <avri.altman@wdc.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:54 -04:00
Lee Jones
e415f2a2ac scsi: lpfc: Fix kerneldoc parameter formatting/misnaming/missing issues
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_hbadisc.c:1209: warning: Function parameter or member 'phba' not described in 'lpfc_sli4_clear_fcf_rr_bmask'
 drivers/scsi/lpfc/lpfc_hbadisc.c:1309: warning: Function parameter or member 'sw_name' not described in 'lpfc_sw_name_match'
 drivers/scsi/lpfc/lpfc_hbadisc.c:1309: warning: Excess function parameter 'fab_name' description in 'lpfc_sw_name_match'
 drivers/scsi/lpfc/lpfc_hbadisc.c:1397: warning: Function parameter or member 'fcf_rec' not described in 'lpfc_copy_fcf_record'
 drivers/scsi/lpfc/lpfc_hbadisc.c:1397: warning: Excess function parameter 'fcf' description in 'lpfc_copy_fcf_record'
 drivers/scsi/lpfc/lpfc_hbadisc.c:1956: warning: Cannot understand  lpfc_sli4_fcf_record_match - testing new FCF record for matching existing FCF
 on line 1956 - I thought it was a doc line
 drivers/scsi/lpfc/lpfc_hbadisc.c:2078: warning: Function parameter or member 'fcf_index' not described in 'lpfc_sli4_fcf_pri_list_del'
 drivers/scsi/lpfc/lpfc_hbadisc.c:2109: warning: Function parameter or member 'fcf_index' not described in 'lpfc_sli4_set_fcf_flogi_fail'
 drivers/scsi/lpfc/lpfc_hbadisc.c:2135: warning: Function parameter or member 'fcf_index' not described in 'lpfc_sli4_fcf_pri_list_add'
 drivers/scsi/lpfc/lpfc_hbadisc.c:2135: warning: Function parameter or member 'new_fcf_record' not described in 'lpfc_sli4_fcf_pri_list_add'

Link: https://lore.kernel.org/r/20200723122446.1329773-3-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:54 -04:00
Lee Jones
a0e4a64f86 scsi: lpfc: Fix some function parameter descriptions
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_els.c:3619: warning: Function parameter or member 't' not described in 'lpfc_els_retry_delay'
 drivers/scsi/lpfc/lpfc_els.c:3619: warning: Excess function parameter 'ptr' description in 'lpfc_els_retry_delay'
 drivers/scsi/lpfc/lpfc_els.c:4877: warning: Function parameter or member 'rejectError' not described in 'lpfc_els_rsp_reject'
 drivers/scsi/lpfc/lpfc_els.c:7900: warning: Function parameter or member 't' not described in 'lpfc_els_timeout'
 drivers/scsi/lpfc/lpfc_els.c:7900: warning: Excess function parameter 'ptr' description in 'lpfc_els_timeout'
 drivers/scsi/lpfc/lpfc_els.c:8272: warning: Function parameter or member 'payload' not described in 'lpfc_send_els_event'
 drivers/scsi/lpfc/lpfc_els.c:8272: warning: Excess function parameter 'cmd' description in 'lpfc_send_els_event'
 drivers/scsi/lpfc/lpfc_els.c:8355: warning: Function parameter or member 'tlv' not described in 'lpfc_els_rcv_fpin_li'
 drivers/scsi/lpfc/lpfc_els.c:8355: warning: Excess function parameter 'lnk_not' description in 'lpfc_els_rcv_fpin_li'
 drivers/scsi/lpfc/lpfc_els.c:9688: warning: Function parameter or member 't' not described in 'lpfc_fabric_block_timeout'
 drivers/scsi/lpfc/lpfc_els.c:9688: warning: Excess function parameter 'ptr' description in 'lpfc_fabric_block_timeout'

Link: https://lore.kernel.org/r/20200723122446.1329773-2-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:31:53 -04:00
Lee Jones
f27e1bbc5c scsi: cxgb3i: Remove bad documentation and demote kerneldoc header
Also move the header block above the correct function.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/cxgbi/cxgb3i/cxgb3i.c:390: warning: Function parameter or member 'dev' not described in 'arp_failure_skb_discard'
 drivers/scsi/cxgbi/cxgb3i/cxgb3i.c:390: warning: Function parameter or member 'skb' not described in 'arp_failure_skb_discard'
 drivers/scsi/cxgbi/cxgb3i/cxgb3i.c:390: warning: Excess function parameter 'c3cn' description in 'arp_failure_skb_discard'
 drivers/scsi/cxgbi/cxgb3i/cxgb3i.c:390: warning: Excess function parameter 'req_completion' description in 'arp_failure_skb_discard'
 drivers/scsi/cxgbi/cxgb3i/cxgb3i.c:895: warning: Function parameter or member 'csk' not described in 'l2t_put'
 drivers/scsi/cxgbi/cxgb3i/cxgb3i.c:895: warning: Excess function parameter 'c3cn' description in 'l2t_put'

Link: https://lore.kernel.org/r/20200721164148.2617584-41-lee.jones@linaro.org
Cc: Karen Xie <kxie@chelsio.com>
Cc: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:48 -04:00
Lee Jones
101706dc0a scsi: sym53c8xx_2: Ensure variable has the same stipulations as code using it
Only declare 'tp' and 'lp' if they are going to be used.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/sym53c8xx_2/sym_hipd.c: In function ‘sym_complete_error’:
 drivers/scsi/sym53c8xx_2/sym_hipd.c:5356:18: warning: variable ‘lp’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/sym53c8xx_2/sym_hipd.c: In function ‘sym_complete_ok’:
 drivers/scsi/sym53c8xx_2/sym_hipd.c:5485:18: warning: variable ‘lp’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200721164148.2617584-39-lee.jones@linaro.org
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Gerard Roudier <groudier@free.fr>
Cc: Wolfgang Stanglmeier <wolf@cologne.de>
Cc: Stefan Esser <se@mi.Uni-Koeln.de>
Cc: Richard Waltham <dormouse@farsrobt.demon.co.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:02 -04:00
Lee Jones
633e19b571 scsi: sym53c8xx_2: Add missing description for 'pdev'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/sym53c8xx_2/sym_glue.c:1784: warning: Function parameter or member 'pdev' not described in 'sym2_reset_workarounds'

Link: https://lore.kernel.org/r/20200721164148.2617584-38-lee.jones@linaro.org
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Gerard Roudier <groudier@free.fr>
Cc: Wolfgang Stanglmeier <wolf@cologne.de>
Cc: Stefan Esser <se@mi.Uni-Koeln.de>
Cc: Richard Waltham <dormouse@farsrobt.demon.co.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:02 -04:00
Lee Jones
11d8e56bfd scsi: lpfc: Ensure variable has the same stipulations as code using it
'pg_addr' is only used when CONFIG_X86 is defined.  So only declare it if
CONFIG_X86 is defined.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_sli.c: In function ‘lpfc_wq_create’:
 drivers/scsi/lpfc/lpfc_sli.c:15813:16: warning: unused variable ‘pg_addr’ [-Wunused-variable]
 15813 | unsigned long pg_addr;
 | ^~~~~~~

Link: https://lore.kernel.org/r/20200721164148.2617584-37-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:02 -04:00
Lee Jones
3bbd8ef9f7 scsi: bfa: Staticify all local functions
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfad_bsg.c:19:1: warning: no previous prototype for ‘bfad_iocmd_ioc_enable’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:42:1: warning: no previous prototype for ‘bfad_iocmd_ioc_disable’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:150:1: warning: no previous prototype for ‘bfad_iocmd_ioc_get_fwstats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:180:1: warning: no previous prototype for ‘bfad_iocmd_ioc_reset_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:198:1: warning: no previous prototype for ‘bfad_iocmd_ioc_set_name’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:212:1: warning: no previous prototype for ‘bfad_iocmd_iocfc_get_attr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:223:1: warning: no previous prototype for ‘bfad_iocmd_ioc_fw_sig_inv’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:235:1: warning: no previous prototype for ‘bfad_iocmd_iocfc_set_intr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:248:1: warning: no previous prototype for ‘bfad_iocmd_port_enable’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:269:1: warning: no previous prototype for ‘bfad_iocmd_port_disable’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:319:1: warning: no previous prototype for ‘bfad_iocmd_port_get_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:353:1: warning: no previous prototype for ‘bfad_iocmd_port_reset_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:374:1: warning: no previous prototype for ‘bfad_iocmd_set_port_cfg’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:394:1: warning: no previous prototype for ‘bfad_iocmd_port_cfg_maxfrsize’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:408:1: warning: no previous prototype for ‘bfad_iocmd_port_cfg_bbcr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:431:1: warning: no previous prototype for ‘bfad_iocmd_port_get_bbcr_attr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:469:1: warning: no previous prototype for ‘bfad_iocmd_lport_get_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:493:1: warning: no previous prototype for ‘bfad_iocmd_lport_reset_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:527:1: warning: no previous prototype for ‘bfad_iocmd_lport_get_iostats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:552:1: warning: no previous prototype for ‘bfad_iocmd_lport_get_rports’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:594:1: warning: no previous prototype for ‘bfad_iocmd_rport_get_attr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:680:1: warning: no previous prototype for ‘bfad_iocmd_rport_get_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:721:1: warning: no previous prototype for ‘bfad_iocmd_rport_clr_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:757:1: warning: no previous prototype for ‘bfad_iocmd_rport_set_speed’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:793:1: warning: no previous prototype for ‘bfad_iocmd_vport_get_attr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:816:1: warning: no previous prototype for ‘bfad_iocmd_vport_get_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:844:1: warning: no previous prototype for ‘bfad_iocmd_vport_clr_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:911:1: warning: no previous prototype for ‘bfad_iocmd_qos_set_bw’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:924:1: warning: no previous prototype for ‘bfad_iocmd_ratelim’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:953:1: warning: no previous prototype for ‘bfad_iocmd_ratelim_speed’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:982:1: warning: no previous prototype for ‘bfad_iocmd_cfg_fcpim’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:995:1: warning: no previous prototype for ‘bfad_iocmd_fcpim_get_modstats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1017:1: warning: no previous prototype for ‘bfad_iocmd_fcpim_clr_modstats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1039:1: warning: no previous prototype for ‘bfad_iocmd_fcpim_get_del_itn_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1164:1: warning: no previous prototype for ‘bfad_iocmd_fcport_enable’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1177:1: warning: no previous prototype for ‘bfad_iocmd_fcport_disable’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1190:1: warning: no previous prototype for ‘bfad_iocmd_ioc_get_pcifn_cfg’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1212:1: warning: no previous prototype for ‘bfad_iocmd_pcifn_create’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1235:1: warning: no previous prototype for ‘bfad_iocmd_pcifn_delete’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1257:1: warning: no previous prototype for ‘bfad_iocmd_pcifn_bw’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1281:1: warning: no previous prototype for ‘bfad_iocmd_adapter_cfg_mode’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1304:1: warning: no previous prototype for ‘bfad_iocmd_port_cfg_mode’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1328:1: warning: no previous prototype for ‘bfad_iocmd_ablk_optrom’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1354:1: warning: no previous prototype for ‘bfad_iocmd_faa_query’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1377:1: warning: no previous prototype for ‘bfad_iocmd_cee_attr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1413:1: warning: no previous prototype for ‘bfad_iocmd_cee_get_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1450:1: warning: no previous prototype for ‘bfad_iocmd_cee_reset_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1464:1: warning: no previous prototype for ‘bfad_iocmd_sfp_media’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1486:1: warning: no previous prototype for ‘bfad_iocmd_sfp_speed’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1507:1: warning: no previous prototype for ‘bfad_iocmd_flash_get_attr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1528:1: warning: no previous prototype for ‘bfad_iocmd_flash_erase_part’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1548:1: warning: no previous prototype for ‘bfad_iocmd_flash_update_part’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1580:1: warning: no previous prototype for ‘bfad_iocmd_flash_read_part’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1612:1: warning: no previous prototype for ‘bfad_iocmd_diag_temp’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1634:1: warning: no previous prototype for ‘bfad_iocmd_diag_memtest’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1657:1: warning: no previous prototype for ‘bfad_iocmd_diag_loopback’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1680:1: warning: no previous prototype for ‘bfad_iocmd_diag_fwping’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1704:1: warning: no previous prototype for ‘bfad_iocmd_diag_queuetest’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1725:1: warning: no previous prototype for ‘bfad_iocmd_diag_sfp’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1748:1: warning: no previous prototype for ‘bfad_iocmd_diag_led’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1761:1: warning: no previous prototype for ‘bfad_iocmd_diag_beacon_lport’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1776:1: warning: no previous prototype for ‘bfad_iocmd_diag_lb_stat’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1791:1: warning: no previous prototype for ‘bfad_iocmd_diag_dport_enable’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1813:1: warning: no previous prototype for ‘bfad_iocmd_diag_dport_disable’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1833:1: warning: no previous prototype for ‘bfad_iocmd_diag_dport_start’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1858:1: warning: no previous prototype for ‘bfad_iocmd_diag_dport_show’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1873:1: warning: no previous prototype for ‘bfad_iocmd_phy_get_attr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1894:1: warning: no previous prototype for ‘bfad_iocmd_phy_get_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1915:1: warning: no previous prototype for ‘bfad_iocmd_phy_read’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1947:1: warning: no previous prototype for ‘bfad_iocmd_vhba_query’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1966:1: warning: no previous prototype for ‘bfad_iocmd_phy_update’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:1996:1: warning: no previous prototype for ‘bfad_iocmd_porglog_get’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2016:1: warning: no previous prototype for ‘bfad_iocmd_debug_fw_core’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2050:1: warning: no previous prototype for ‘bfad_iocmd_debug_ctl’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2071:1: warning: no previous prototype for ‘bfad_iocmd_porglog_ctl’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2085:1: warning: no previous prototype for ‘bfad_iocmd_fcpim_cfg_profile’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2129:1: warning: no previous prototype for ‘bfad_iocmd_fcport_get_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2154:1: warning: no previous prototype for ‘bfad_iocmd_fcport_reset_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2178:1: warning: no previous prototype for ‘bfad_iocmd_boot_cfg’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2200:1: warning: no previous prototype for ‘bfad_iocmd_boot_query’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2222:1: warning: no previous prototype for ‘bfad_iocmd_preboot_query’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2241:1: warning: no previous prototype for ‘bfad_iocmd_ethboot_cfg’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2264:1: warning: no previous prototype for ‘bfad_iocmd_ethboot_query’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2287:1: warning: no previous prototype for ‘bfad_iocmd_cfg_trunk’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2327:1: warning: no previous prototype for ‘bfad_iocmd_trunk_get_attr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2350:1: warning: no previous prototype for ‘bfad_iocmd_qos’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2378:1: warning: no previous prototype for ‘bfad_iocmd_qos_get_attr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2404:1: warning: no previous prototype for ‘bfad_iocmd_qos_get_vc_attr’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2436:1: warning: no previous prototype for ‘bfad_iocmd_qos_get_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2468:1: warning: no previous prototype for ‘bfad_iocmd_qos_reset_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2499:1: warning: no previous prototype for ‘bfad_iocmd_vf_get_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2522:1: warning: no previous prototype for ‘bfad_iocmd_vf_clr_stats’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2559:1: warning: no previous prototype for ‘bfad_iocmd_lunmask’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2582:1: warning: no previous prototype for ‘bfad_iocmd_fcpim_lunmask_query’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2596:1: warning: no previous prototype for ‘bfad_iocmd_fcpim_cfg_lunmask’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2615:1: warning: no previous prototype for ‘bfad_iocmd_fcpim_throttle_query’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2630:1: warning: no previous prototype for ‘bfad_iocmd_fcpim_throttle_set’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2645:1: warning: no previous prototype for ‘bfad_iocmd_tfru_read’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2667:1: warning: no previous prototype for ‘bfad_iocmd_tfru_write’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2689:1: warning: no previous prototype for ‘bfad_iocmd_fruvpd_read’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2711:1: warning: no previous prototype for ‘bfad_iocmd_fruvpd_update’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:2733:1: warning: no previous prototype for ‘bfad_iocmd_fruvpd_get_max_size’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:3181:1: warning: no previous prototype for ‘bfad_fcxp_get_req_sgaddr_cb’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:3193:1: warning: no previous prototype for ‘bfad_fcxp_get_req_sglen_cb’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:3203:1: warning: no previous prototype for ‘bfad_fcxp_get_rsp_sgaddr_cb’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:3215:1: warning: no previous prototype for ‘bfad_fcxp_get_rsp_sglen_cb’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:3225:1: warning: no previous prototype for ‘bfad_send_fcpt_cb’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:3240:1: warning: no previous prototype for ‘bfad_fcxp_map_sg’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:3284:1: warning: no previous prototype for ‘bfad_fcxp_free_mem’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:3302:1: warning: no previous prototype for ‘bfad_fcxp_bsg_send’ [-Wmissing-prototypes]
 drivers/scsi/bfa/bfad_bsg.c:3342:1: warning: no previous prototype for ‘bfad_im_bsg_els_ct_request’ [-Wmissing-prototypes]

Link: https://lore.kernel.org/r/20200721164148.2617584-36-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:02 -04:00
Lee Jones
fd4cdf6488 scsi: csiostor: Demote kerneldoc that fails to meet the criteria
This matches some of the other headers in the file.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/csiostor/csio_lnode.c:2079: warning: Function parameter or member 'hw' not described in 'csio_lnode_init'
 drivers/scsi/csiostor/csio_lnode.c:2079: warning: Function parameter or member 'pln' not described in 'csio_lnode_init'

Link: https://lore.kernel.org/r/20200721164148.2617584-35-lee.jones@linaro.org
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:02 -04:00
Lee Jones
653557df36 scsi: qla4xxx: Supply description for 'code'
Demote other headers which are clearly not kerneldoc.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_nx.c:983: warning: Function parameter or member 'ha' not described in 'qla4_82xx_pinit_from_rom'
 drivers/scsi/qla4xxx/ql4_nx.c:983: warning: Function parameter or member 'verbose' not described in 'qla4_82xx_pinit_from_rom'
 drivers/scsi/qla4xxx/ql4_nx.c:3225: warning: Function parameter or member 'code' not described in 'qla4_8xxx_uevent_emit'
 drivers/scsi/qla4xxx/ql4_nx.c:3697: warning: Function parameter or member 'ha' not described in 'qla4_82xx_read_optrom_data'
 drivers/scsi/qla4xxx/ql4_nx.c:3697: warning: Function parameter or member 'buf' not described in 'qla4_82xx_read_optrom_data'
 drivers/scsi/qla4xxx/ql4_nx.c:3697: warning: Function parameter or member 'offset' not described in 'qla4_82xx_read_optrom_data'
 drivers/scsi/qla4xxx/ql4_nx.c:3697: warning: Function parameter or member 'length' not described in 'qla4_82xx_read_optrom_data'

Link: https://lore.kernel.org/r/20200721164148.2617584-34-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:02 -04:00
Lee Jones
f67e81641d scsi: qla4xxx: Remove three set but unused variables
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_nx.c: In function ‘qla4_84xx_minidump_process_rddfe’:
 drivers/scsi/qla4xxx/ql4_nx.c:2648:23: warning: variable ‘data_size’ set but not used [-Wunused-but-set-variable]
 2648 | uint32_t poll, mask, data_size, modify_mask;
 | ^~~~~~~~~
 drivers/scsi/qla4xxx/ql4_nx.c: In function ‘qla4_84xx_minidump_process_rdmdio’:
 drivers/scsi/qla4xxx/ql4_nx.c:2745:11: warning: variable ‘poll’ set but not used [-Wunused-but-set-variable]
 2745 | uint32_t poll, mask;
 | ^~~~
 drivers/scsi/qla4xxx/ql4_nx.c: In function ‘qla4_84xx_minidump_process_pollwr’:
 drivers/scsi/qla4xxx/ql4_nx.c:2816:47: warning: variable ‘mask’ set but not used [-Wunused-but-set-variable]
 2816 | uint32_t addr1, addr2, value1, value2, poll, mask, r_value;
 | ^~~~

Link: https://lore.kernel.org/r/20200721164148.2617584-33-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:01 -04:00
Lee Jones
5446a91d84 scsi: csiostor: Fix misnamed function parameter
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/csiostor/csio_init.c:595: warning: Function parameter or member 'pln' not described in 'csio_shost_init'
 drivers/scsi/csiostor/csio_init.c:595: warning: Excess function parameter 'os_pln' description in 'csio_shost_init'

Link: https://lore.kernel.org/r/20200721164148.2617584-32-lee.jones@linaro.org
Cc: Saurav Girepunje <saurav.girepunje@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:01 -04:00
Lee Jones
6265bc4a41 scsi: lpfc: Fix-up formatting/docrot where appropriate
Other headers have been demoted as they are too far out of sync and ideally
require effort from the authors.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_ct.c:321: warning: Function parameter or member 'usr_flg' not described in 'lpfc_gen_req'
 drivers/scsi/lpfc/lpfc_ct.c:321: warning: Function parameter or member 'num_entry' not described in 'lpfc_gen_req'
 drivers/scsi/lpfc/lpfc_ct.c:321: warning: Function parameter or member 'tmo' not described in 'lpfc_gen_req'
 drivers/scsi/lpfc/lpfc_ct.c:321: warning: Function parameter or member 'retry' not described in 'lpfc_gen_req'
 drivers/scsi/lpfc/lpfc_ct.c:413: warning: Function parameter or member 'rsp_size' not described in 'lpfc_ct_cmd'
 drivers/scsi/lpfc/lpfc_ct.c:413: warning: Function parameter or member 'retry' not described in 'lpfc_ct_cmd'
 drivers/scsi/lpfc/lpfc_ct.c:3030: warning: Function parameter or member 'cmdcode' not described in 'lpfc_fdmi_cmd'
 drivers/scsi/lpfc/lpfc_ct.c:3030: warning: Function parameter or member 'new_mask' not described in 'lpfc_fdmi_cmd'
 drivers/scsi/lpfc/lpfc_ct.c:3272: warning: Function parameter or member 't' not described in 'lpfc_delayed_disc_tmo'

Link: https://lore.kernel.org/r/20200721164148.2617584-31-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:01 -04:00
Lee Jones
c0ad04b4b6 scsi: qla4xxx: Document qla4xxx_process_ddb()'s 'conn_err'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_init.c:1170: warning: Function parameter or member 'conn_err' not described in 'qla4xxx_process_ddb_changed'

Link: https://lore.kernel.org/r/20200721164148.2617584-30-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:01 -04:00
Lee Jones
c734de98a7 scsi: lpfc: Provide description for lpfc_mem_alloc()'s 'align' param
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_mem.c:85: warning: Function parameter or member 'align' not described in 'lpfc_mem_alloc'

Link: https://lore.kernel.org/r/20200721164148.2617584-29-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:01 -04:00
Lee Jones
fc5fba6e2a scsi: qla4xxx: Repair function documentation headers
Fix one formatting issue, one misspelling and three missing descriptions.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_isr.c:588: warning: Excess function parameter 'ret' description in 'qla4_83xx_loopback_in_progress'
 drivers/scsi/qla4xxx/ql4_isr.c:661: warning: Function parameter or member 'mbox_status' not described in 'qla4xxx_isr_decode_mailbox'
 drivers/scsi/qla4xxx/ql4_isr.c:661: warning: Excess function parameter 'mailbox_status' description in 'qla4xxx_isr_decode_mailbox'
 drivers/scsi/qla4xxx/ql4_isr.c:1053: warning: Function parameter or member 'intr_status' not described in 'qla4_82xx_interrupt_service_routine'
 drivers/scsi/qla4xxx/ql4_isr.c:1078: warning: Function parameter or member 'intr_status' not described in 'qla4xxx_interrupt_service_routine'

Link: https://lore.kernel.org/r/20200721164148.2617584-28-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:01 -04:00
Lee Jones
cdeeb36d8f scsi: qla4xxx: Fix some kerneldoc parameter documentation issues
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_os.c:4551: warning: Function parameter or member 't' not described in 'qla4xxx_timer'
 drivers/scsi/qla4xxx/ql4_os.c:4551: warning: Excess function parameter 'ha' description in 'qla4xxx_timer'
 drivers/scsi/qla4xxx/ql4_os.c:5312: warning: Function parameter or member 'work' not described in 'qla4xxx_do_dpc'
 drivers/scsi/qla4xxx/ql4_os.c:5312: warning: Excess function parameter 'data' description in 'qla4xxx_do_dpc'
 drivers/scsi/qla4xxx/ql4_os.c:8627: warning: Function parameter or member 'ent' not described in 'qla4xxx_probe_adapter'
 drivers/scsi/qla4xxx/ql4_os.c:8627: warning: Excess function parameter 'pci_device_id' description in 'qla4xxx_probe_adapter'
 drivers/scsi/qla4xxx/ql4_os.c:9008: warning: Function parameter or member 'pdev' not described in 'qla4xxx_remove_adapter'
 drivers/scsi/qla4xxx/ql4_os.c:9008: warning: Excess function parameter 'pci_dev' description in 'qla4xxx_remove_adapter'
 drivers/scsi/qla4xxx/ql4_os.c:9181: warning: Function parameter or member 'stgt' not described in 'qla4xxx_eh_wait_for_commands'
 drivers/scsi/qla4xxx/ql4_os.c:9181: warning: Function parameter or member 'sdev' not described in 'qla4xxx_eh_wait_for_commands'
 drivers/scsi/qla4xxx/ql4_os.c:9181: warning: Excess function parameter 't' description in 'qla4xxx_eh_wait_for_commands'
 drivers/scsi/qla4xxx/ql4_os.c:9181: warning: Excess function parameter 'l' description in 'qla4xxx_eh_wait_for_commands'
 drivers/scsi/qla4xxx/ql4_os.c:9646: warning: Function parameter or member 'pdev' not described in 'qla4xxx_pci_mmio_enabled'

Link: https://lore.kernel.org/r/20200721164148.2617584-27-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:01 -04:00
Lee Jones
ea310f574e scsi: pm8001: Staticify 'pm80xx_pci_mem_copy' and 'mpi_set_phy_profile_req'
These are not invoked externally.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/pm8001/pm80xx_hwi.c:69:6: warning: no previous prototype for ‘pm80xx_pci_mem_copy’ [-Wmissing-prototypes]
 69 | void pm80xx_pci_mem_copy(struct pm8001_hba_info *pm8001_ha, u32 soffset,
 | ^~~~~~~~~~~~~~~~~~~
 drivers/scsi/pm8001/pm80xx_hwi.c:5016:6: warning: no previous prototype for ‘mpi_set_phy_profile_req’ [-Wmissing-prototypes]
 5016 | void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
 | ^~~~~~~~~~~~~~~~~~~~~~~

Link: https://lore.kernel.org/r/20200721164148.2617584-26-lee.jones@linaro.org
Cc: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:00 -04:00
Lee Jones
7af29d4553 scsi: lpfc: Fix-up around 120 documentation issues
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_sli.c:257: warning: Function parameter or member 'mqe' not described in 'lpfc_sli4_mq_put'
 drivers/scsi/lpfc/lpfc_sli.c:257: warning: Excess function parameter 'wqe' description in 'lpfc_sli4_mq_put'
 drivers/scsi/lpfc/lpfc_sli.c:675: warning: Function parameter or member 'hq' not described in 'lpfc_sli4_rq_put'
 drivers/scsi/lpfc/lpfc_sli.c:675: warning: Function parameter or member 'dq' not described in 'lpfc_sli4_rq_put'
 drivers/scsi/lpfc/lpfc_sli.c:675: warning: Function parameter or member 'hrqe' not described in 'lpfc_sli4_rq_put'
 drivers/scsi/lpfc/lpfc_sli.c:675: warning: Function parameter or member 'drqe' not described in 'lpfc_sli4_rq_put'
 drivers/scsi/lpfc/lpfc_sli.c:675: warning: Excess function parameter 'q' description in 'lpfc_sli4_rq_put'
 drivers/scsi/lpfc/lpfc_sli.c:675: warning: Excess function parameter 'wqe' description in 'lpfc_sli4_rq_put'
 drivers/scsi/lpfc/lpfc_sli.c:738: warning: Function parameter or member 'hq' not described in 'lpfc_sli4_rq_release'
 drivers/scsi/lpfc/lpfc_sli.c:738: warning: Function parameter or member 'dq' not described in 'lpfc_sli4_rq_release'
 drivers/scsi/lpfc/lpfc_sli.c:738: warning: Excess function parameter 'q' description in 'lpfc_sli4_rq_release'
 drivers/scsi/lpfc/lpfc_sli.c:1021: warning: Function parameter or member 'xritag' not described in 'lpfc_test_rrq_active'
 drivers/scsi/lpfc/lpfc_sli.c:1132: warning: Function parameter or member 'piocbq' not described in '__lpfc_sli_get_els_sglq'
 drivers/scsi/lpfc/lpfc_sli.c:1132: warning: Excess function parameter 'piocb' description in '__lpfc_sli_get_els_sglq'
 drivers/scsi/lpfc/lpfc_sli.c:1207: warning: Function parameter or member 'piocbq' not described in '__lpfc_sli_get_nvmet_sglq'
 drivers/scsi/lpfc/lpfc_sli.c:1207: warning: Excess function parameter 'piocb' description in '__lpfc_sli_get_nvmet_sglq'
 drivers/scsi/lpfc/lpfc_sli.c:2243: warning: Function parameter or member 'rb_list' not described in 'lpfc_sli_hbqbuf_get'
 drivers/scsi/lpfc/lpfc_sli.c:2243: warning: Excess function parameter 'phba' description in 'lpfc_sli_hbqbuf_get'
 drivers/scsi/lpfc/lpfc_sli.c:2243: warning: Excess function parameter 'hbqno' description in 'lpfc_sli_hbqbuf_get'
 drivers/scsi/lpfc/lpfc_sli.c:2262: warning: Function parameter or member 'hrq' not described in 'lpfc_sli_rqbuf_get'
 drivers/scsi/lpfc/lpfc_sli.c:2262: warning: Excess function parameter 'hbqno' description in 'lpfc_sli_rqbuf_get'
 drivers/scsi/lpfc/lpfc_sli.c:3429: warning: Function parameter or member 't' not described in 'lpfc_poll_eratt'
 drivers/scsi/lpfc/lpfc_sli.c:3429: warning: Excess function parameter 'ptr' description in 'lpfc_poll_eratt'
 drivers/scsi/lpfc/lpfc_sli.c:4115: warning: Excess function parameter 'pring' description in 'lpfc_sli_abort_fcp_rings'
 drivers/scsi/lpfc/lpfc_sli.c:5331: warning: Excess function parameter 'mboxq' description in 'lpfc_sli4_read_fcoe_params'
 drivers/scsi/lpfc/lpfc_sli.c:5879: warning: Function parameter or member 'extnt_cnt' not described in 'lpfc_sli4_cfg_post_extnts'
 drivers/scsi/lpfc/lpfc_sli.c:5879: warning: Function parameter or member 'type' not described in 'lpfc_sli4_cfg_post_extnts'
 drivers/scsi/lpfc/lpfc_sli.c:5879: warning: Function parameter or member 'emb' not described in 'lpfc_sli4_cfg_post_extnts'
 drivers/scsi/lpfc/lpfc_sli.c:5879: warning: Function parameter or member 'mbox' not described in 'lpfc_sli4_cfg_post_extnts'
 drivers/scsi/lpfc/lpfc_sli.c:6459: warning: Function parameter or member 'pmb' not described in 'lpfc_sli4_ras_mbox_cmpl'
 drivers/scsi/lpfc/lpfc_sli.c:6459: warning: Excess function parameter 'pmboxq' description in 'lpfc_sli4_ras_mbox_cmpl'
 drivers/scsi/lpfc/lpfc_sli.c:6912: warning: Function parameter or member 'extnt_cnt' not described in 'lpfc_sli4_get_allocated_extnts'
 drivers/scsi/lpfc/lpfc_sli.c:6912: warning: Excess function parameter 'extnt_count' description in 'lpfc_sli4_get_allocated_extnts'
 drivers/scsi/lpfc/lpfc_sli.c:7064: warning: Excess function parameter 'pring' description in 'lpfc_sli4_repost_sgl_list'
 drivers/scsi/lpfc/lpfc_sli.c:7312: warning: Function parameter or member 'phba' not described in 'lpfc_init_idle_stat_hb'
 drivers/scsi/lpfc/lpfc_sli.c:8022: warning: Function parameter or member 't' not described in 'lpfc_mbox_timeout'
 drivers/scsi/lpfc/lpfc_sli.c:8022: warning: Excess function parameter 'ptr' description in 'lpfc_mbox_timeout'
 drivers/scsi/lpfc/lpfc_sli.c:8902: warning: Function parameter or member 'mboxq' not described in 'lpfc_sli_issue_mbox_s4'
 drivers/scsi/lpfc/lpfc_sli.c:8902: warning: Excess function parameter 'pmbox' description in 'lpfc_sli_issue_mbox_s4'
 drivers/scsi/lpfc/lpfc_sli.c:9413: warning: Function parameter or member 'piocbq' not described in 'lpfc_sli4_bpl2sgl'
 drivers/scsi/lpfc/lpfc_sli.c:9413: warning: Excess function parameter 'piocb' description in 'lpfc_sli4_bpl2sgl'
 drivers/scsi/lpfc/lpfc_sli.c:9518: warning: Function parameter or member 'iocbq' not described in 'lpfc_sli4_iocb2wqe'
 drivers/scsi/lpfc/lpfc_sli.c:9518: warning: Excess function parameter 'piocb' description in 'lpfc_sli4_iocb2wqe'
 drivers/scsi/lpfc/lpfc_sli.c:10212: warning: Function parameter or member 'phba' not described in '__lpfc_sli_issue_iocb'
 drivers/scsi/lpfc/lpfc_sli.c:10212: warning: Function parameter or member 'ring_number' not described in '__lpfc_sli_issue_iocb'
 drivers/scsi/lpfc/lpfc_sli.c:10212: warning: Function parameter or member 'piocb' not described in '__lpfc_sli_issue_iocb'
 drivers/scsi/lpfc/lpfc_sli.c:10212: warning: Function parameter or member 'flag' not described in '__lpfc_sli_issue_iocb'
 drivers/scsi/lpfc/lpfc_sli.c:10300: warning: Function parameter or member 'ring_number' not described in 'lpfc_sli_issue_iocb'
 drivers/scsi/lpfc/lpfc_sli.c:10300: warning: Excess function parameter 'pring' description in 'lpfc_sli_issue_iocb'
 drivers/scsi/lpfc/lpfc_sli.c:11807: warning: Function parameter or member 'cmd' not described in 'lpfc_sli_abort_taskmgmt'
 drivers/scsi/lpfc/lpfc_sli.c:11807: warning: Excess function parameter 'taskmgmt_cmd' description in 'lpfc_sli_abort_taskmgmt'
 drivers/scsi/lpfc/lpfc_sli.c:12067: warning: Function parameter or member 'ring_number' not described in 'lpfc_sli_issue_iocb_wait'
 drivers/scsi/lpfc/lpfc_sli.c:12067: warning: Excess function parameter 'pring' description in 'lpfc_sli_issue_iocb_wait'
 drivers/scsi/lpfc/lpfc_sli.c:12262: warning: Function parameter or member 'mbx_action' not described in 'lpfc_sli_mbox_sys_shutdown'
 drivers/scsi/lpfc/lpfc_sli.c:13219: warning: Function parameter or member 'irspiocbq' not described in 'lpfc_sli4_els_wcqe_to_rspiocbq'
 drivers/scsi/lpfc/lpfc_sli.c:13219: warning: Excess function parameter 'wcqe' description in 'lpfc_sli4_els_wcqe_to_rspiocbq'
 drivers/scsi/lpfc/lpfc_sli.c:13285: warning: Function parameter or member 'mcqe' not described in 'lpfc_sli4_sp_handle_async_event'
 drivers/scsi/lpfc/lpfc_sli.c:13285: warning: Excess function parameter 'cqe' description in 'lpfc_sli4_sp_handle_async_event'
 drivers/scsi/lpfc/lpfc_sli.c:13318: warning: Function parameter or member 'mcqe' not described in 'lpfc_sli4_sp_handle_mbox_event'
 drivers/scsi/lpfc/lpfc_sli.c:13318: warning: Excess function parameter 'cqe' description in 'lpfc_sli4_sp_handle_mbox_event'
 drivers/scsi/lpfc/lpfc_sli.c:13441: warning: Function parameter or member 'cq' not described in 'lpfc_sli4_sp_handle_mcqe'
 drivers/scsi/lpfc/lpfc_sli.c:13768: warning: Function parameter or member 'speq' not described in 'lpfc_sli4_sp_handle_eqe'
 drivers/scsi/lpfc/lpfc_sli.c:14126: warning: Function parameter or member 'cq' not described in 'lpfc_sli4_nvmet_handle_rcqe'
 drivers/scsi/lpfc/lpfc_sli.c:14235: warning: Function parameter or member 'cqe' not described in 'lpfc_sli4_fp_handle_cqe'
 drivers/scsi/lpfc/lpfc_sli.c:14235: warning: Excess function parameter 'eqe' description in 'lpfc_sli4_fp_handle_cqe'
 drivers/scsi/lpfc/lpfc_sli.c:14336: warning: Function parameter or member 'eq' not described in 'lpfc_sli4_hba_handle_eqe'
 drivers/scsi/lpfc/lpfc_sli.c:14808: warning: Function parameter or member 'entry_count' not described in 'lpfc_sli4_queue_alloc'
 drivers/scsi/lpfc/lpfc_sli.c:15185: warning: Function parameter or member 'type' not described in 'lpfc_cq_create'
 drivers/scsi/lpfc/lpfc_sli.c:15185: warning: Function parameter or member 'subtype' not described in 'lpfc_cq_create'
 drivers/scsi/lpfc/lpfc_sli.c:15333: warning: Function parameter or member 'type' not described in 'lpfc_cq_create_set'
 drivers/scsi/lpfc/lpfc_sli.c:15333: warning: Function parameter or member 'subtype' not described in 'lpfc_cq_create_set'
 drivers/scsi/lpfc/lpfc_sli.c:16063: warning: Function parameter or member 'subtype' not described in 'lpfc_rq_create'
 drivers/scsi/lpfc/lpfc_sli.c:16353: warning: Function parameter or member 'subtype' not described in 'lpfc_mrq_create'
 drivers/scsi/lpfc/lpfc_sli.c:16533: warning: Function parameter or member 'phba' not described in 'lpfc_eq_destroy'
 drivers/scsi/lpfc/lpfc_sli.c:16590: warning: Function parameter or member 'phba' not described in 'lpfc_cq_destroy'
 drivers/scsi/lpfc/lpfc_sli.c:16644: warning: Function parameter or member 'phba' not described in 'lpfc_mq_destroy'
 drivers/scsi/lpfc/lpfc_sli.c:16644: warning: Function parameter or member 'mq' not described in 'lpfc_mq_destroy'
 drivers/scsi/lpfc/lpfc_sli.c:16644: warning: Excess function parameter 'qm' description in 'lpfc_mq_destroy'
 drivers/scsi/lpfc/lpfc_sli.c:16698: warning: Function parameter or member 'phba' not described in 'lpfc_wq_destroy'
 drivers/scsi/lpfc/lpfc_sli.c:16754: warning: Function parameter or member 'phba' not described in 'lpfc_rq_destroy'
 drivers/scsi/lpfc/lpfc_sli.c:16754: warning: Function parameter or member 'hrq' not described in 'lpfc_rq_destroy'
 drivers/scsi/lpfc/lpfc_sli.c:16754: warning: Function parameter or member 'drq' not described in 'lpfc_rq_destroy'
 drivers/scsi/lpfc/lpfc_sli.c:16754: warning: Excess function parameter 'rq' description in 'lpfc_rq_destroy'
 drivers/scsi/lpfc/lpfc_sli.c:16940: warning: Function parameter or member 'xri' not described in '__lpfc_sli4_free_xri'
 drivers/scsi/lpfc/lpfc_sli.c:16955: warning: Function parameter or member 'xri' not described in 'lpfc_sli4_free_xri'
 drivers/scsi/lpfc/lpfc_sli.c:17002: warning: Function parameter or member 'post_cnt' not described in 'lpfc_sli4_post_sgl_list'
 drivers/scsi/lpfc/lpfc_sli.c:17002: warning: Excess function parameter 'count' description in 'lpfc_sli4_post_sgl_list'
 drivers/scsi/lpfc/lpfc_sli.c:17221: warning: Function parameter or member 'sb_count' not described in 'lpfc_sli4_post_io_sgl_list'
 drivers/scsi/lpfc/lpfc_sli.c:17451: warning: Function parameter or member 'did' not described in 'lpfc_fc_frame_to_vport'
 drivers/scsi/lpfc/lpfc_sli.c:17590: warning: Function parameter or member 'vport' not described in 'lpfc_fc_frame_add'
 drivers/scsi/lpfc/lpfc_sli.c:17817: warning: Function parameter or member 'vport' not described in 'lpfc_sli4_seq_abort_rsp'
 drivers/scsi/lpfc/lpfc_sli.c:17817: warning: Function parameter or member 'aborted' not described in 'lpfc_sli4_seq_abort_rsp'
 drivers/scsi/lpfc/lpfc_sli.c:17817: warning: Excess function parameter 'phba' description in 'lpfc_sli4_seq_abort_rsp'
 drivers/scsi/lpfc/lpfc_sli.c:18060: warning: Function parameter or member 'seq_dmabuf' not described in 'lpfc_prep_seq'
 drivers/scsi/lpfc/lpfc_sli.c:18060: warning: Excess function parameter 'dmabuf' description in 'lpfc_prep_seq'
 drivers/scsi/lpfc/lpfc_sli.c:18332: warning: Function parameter or member 'dmabuf' not described in 'lpfc_sli4_handle_received_buffer'
 drivers/scsi/lpfc/lpfc_sli.c:18655: warning: Function parameter or member 'rpi' not described in '__lpfc_sli4_free_rpi'
 drivers/scsi/lpfc/lpfc_sli.c:18683: warning: Function parameter or member 'rpi' not described in 'lpfc_sli4_free_rpi'
 drivers/scsi/lpfc/lpfc_sli.c:18714: warning: Function parameter or member 'ndlp' not described in 'lpfc_sli4_resume_rpi'
 drivers/scsi/lpfc/lpfc_sli.c:18714: warning: Function parameter or member 'cmpl' not described in 'lpfc_sli4_resume_rpi'
 drivers/scsi/lpfc/lpfc_sli.c:18714: warning: Function parameter or member 'arg' not described in 'lpfc_sli4_resume_rpi'
 drivers/scsi/lpfc/lpfc_sli.c:18714: warning: Excess function parameter 'phba' description in 'lpfc_sli4_resume_rpi'
 drivers/scsi/lpfc/lpfc_sli.c:19103: warning: Function parameter or member 'phba' not described in 'lpfc_check_next_fcf_pri_level'
 drivers/scsi/lpfc/lpfc_sli.c:19266: warning: Function parameter or member 'fcf_index' not described in 'lpfc_sli4_fcf_rr_index_set'
 drivers/scsi/lpfc/lpfc_sli.c:19295: warning: Function parameter or member 'fcf_index' not described in 'lpfc_sli4_fcf_rr_index_clear'
 drivers/scsi/lpfc/lpfc_sli.c:19331: warning: Function parameter or member 'mbox' not described in 'lpfc_mbx_cmpl_redisc_fcf_table'
 drivers/scsi/lpfc/lpfc_sli.c:20027: warning: Function parameter or member 'pwqeq' not described in 'lpfc_wqe_bpl2sgl'
 drivers/scsi/lpfc/lpfc_sli.c:20027: warning: Excess function parameter 'pwqe' description in 'lpfc_wqe_bpl2sgl'
 drivers/scsi/lpfc/lpfc_sli.c:20141: warning: Function parameter or member 'qp' not described in 'lpfc_sli4_issue_wqe'
 drivers/scsi/lpfc/lpfc_sli.c:20141: warning: Excess function parameter 'ring_number' description in 'lpfc_sli4_issue_wqe'
 drivers/scsi/lpfc/lpfc_sli.c:20434: warning: Function parameter or member 'qp' not described in '_lpfc_move_xri_pbl_to_pvt'
 drivers/scsi/lpfc/lpfc_sli.c:20552: warning: Function parameter or member 'hwqid' not described in 'lpfc_keep_pvt_pool_above_lowwm'
 drivers/scsi/lpfc/lpfc_sli.c:20552: warning: Excess function parameter 'qp' description in 'lpfc_keep_pvt_pool_above_lowwm'
 drivers/scsi/lpfc/lpfc_sli.c:20682: warning: Function parameter or member 'qp' not described in 'lpfc_get_io_buf_from_private_pool'

Link: https://lore.kernel.org/r/20200721164148.2617584-24-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:00 -04:00
Lee Jones
67b8b93a55 scsi: qla4xxx: Fix incorrectly named function parameter
Fixes the following W=1 kernel build warning(s):

from  drivers/scsi/qla4xxx/ql4_iocb.c:8:
 drivers/scsi/qla4xxx/ql4_iocb.c:87: warning: Function parameter or member 'mrkr_mod' not described in 'qla4xxx_send_marker_iocb'
 drivers/scsi/qla4xxx/ql4_iocb.c:87: warning: Excess function parameter 'marker_type' description in 'qla4xxx_send_marker_iocb'

Link: https://lore.kernel.org/r/20200721164148.2617584-23-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:00 -04:00
Lee Jones
0d5fea4298 scsi: qla4xxx: Fix-up incorrectly documented parameter
Also demote incomplete header from kerneldoc.

Fixes the following W=1 kernel build warning(s):

from  drivers/scsi/qla4xxx/ql4_mbx.c:9:
 drivers/scsi/qla4xxx/ql4_mbx.c:53: warning: Excess function parameter 'ret' description in 'qla4xxx_is_intr_poll_mode'
 drivers/scsi/qla4xxx/ql4_mbx.c:832: warning: Function parameter or member 'fw_ddb_entry_dma' not described in 'qla4xxx_get_fwddb_entry'
 drivers/scsi/qla4xxx/ql4_mbx.c:832: warning: Function parameter or member 'conn_err_detail' not described in 'qla4xxx_get_fwddb_entry'
 drivers/scsi/qla4xxx/ql4_mbx.c:832: warning: Function parameter or member 'tcp_source_port_num' not described in 'qla4xxx_get_fwddb_entry'
 drivers/scsi/qla4xxx/ql4_mbx.c:832: warning: Function parameter or member 'connection_id' not described in 'qla4xxx_get_fwddb_entry'
 drivers/scsi/qla4xxx/ql4_mbx.c:1271: warning: Function parameter or member 'ddb_entry' not described in 'qla4xxx_reset_target'
 drivers/scsi/qla4xxx/ql4_mbx.c:1271: warning: Excess function parameter 'db_entry' description in 'qla4xxx_reset_target'
 drivers/scsi/qla4xxx/ql4_mbx.c:1271: warning: Excess function parameter 'un_entry' description in 'qla4xxx_reset_target'

Link: https://lore.kernel.org/r/20200721164148.2617584-22-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:00 -04:00
Lee Jones
3c1311ad83 scsi: lpfc: Remove unused variable 'pg_addr'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_sli.c: In function ‘lpfc_wq_create’:
 drivers/scsi/lpfc/lpfc_sli.c:15810:16: warning: variable ‘pg_addr’ set but not used [-Wunused-but-set-variable]
 15810 | unsigned long pg_addr;
 | ^~~~~~~

Link: https://lore.kernel.org/r/20200721164148.2617584-21-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:00 -04:00
Lee Jones
f30554c271 scsi: qla4xxx: Move 'qla4_82xx_reg_tbl' to the only place its used
Fixes the following W=1 kernel build warning(s):

 In file included from drivers/scsi/qla4xxx/ql4_def.h:43,
 from drivers/scsi/qla4xxx/ql4_mbx.c:9:
 drivers/scsi/qla4xxx/ql4_nx.h:602:23: warning: ‘qla4_82xx_reg_tbl’ defined but not used [-Wunused-const-variable=]
 602 | static const uint32_t qla4_82xx_reg_tbl[] = {
 | ^~~~~~~~~~~~~~~~~
 [...]
 NB: Lots of these

Link: https://lore.kernel.org/r/20200721164148.2617584-20-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:10:00 -04:00
Lee Jones
685f94794f scsi: pm8001: Remove a bunch of set but unused variables
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_os.c: In function ‘qla4xxx_eh_cmd_timed_out’:
 drivers/scsi/qla4xxx/ql4_os.c:1865:24: warning: variable ‘sess’ set but not used [-Wunused-but-set-variable]
 1865 | struct iscsi_session *sess;
 | ^~~~
 drivers/scsi/qla4xxx/ql4_os.c: In function ‘qla4xxx_session_create’:
 drivers/scsi/qla4xxx/ql4_os.c:3079:19: warning: variable ‘dst_addr’ set but not used [-Wunused-but-set-variable]
 3079 | struct sockaddr *dst_addr;
 | ^~~~~~~~
 drivers/scsi/qla4xxx/ql4_os.c: In function ‘qla4_8xxx_iospace_config’:
 drivers/scsi/qla4xxx/ql4_os.c:5512:44: warning: variable ‘db_len’ set but not used [-Wunused-but-set-variable]
 5512 | unsigned long mem_base, mem_len, db_base, db_len;
 | ^~~~~~
 drivers/scsi/qla4xxx/ql4_os.c:5512:35: warning: variable ‘db_base’ set but not used [-Wunused-but-set-variable]
 5512 | unsigned long mem_base, mem_len, db_base, db_len;
 | ^~~~~~~
 drivers/scsi/qla4xxx/ql4_os.c: In function ‘qla4xxx_get_param_ddb’:
 drivers/scsi/qla4xxx/ql4_os.c:6269:24: warning: variable ‘ha’ set but not used [-Wunused-but-set-variable]
 6269 | struct scsi_qla_host *ha;
 | ^~

Link: https://lore.kernel.org/r/20200721164148.2617584-19-lee.jones@linaro.org
Cc: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:59 -04:00
Lee Jones
6ad4a51764 scsi: pm8001: Fix some function documentation issues
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/pm8001/pm80xx_hwi.c:918: warning: Function parameter or member 'number' not described in 'update_inbnd_queue_table'
 drivers/scsi/pm8001/pm80xx_hwi.c:954: warning: Function parameter or member 'number' not described in 'update_outbnd_queue_table'
 drivers/scsi/pm8001/pm80xx_hwi.c:1717: warning: Function parameter or member 'vec' not described in 'pm80xx_chip_interrupt_enable'
 drivers/scsi/pm8001/pm80xx_hwi.c:1735: warning: Function parameter or member 'vec' not described in 'pm80xx_chip_interrupt_disable'
 drivers/scsi/pm8001/pm80xx_hwi.c:4830: warning: Excess function parameter 'num' description in 'pm80xx_chip_phy_start_req'
 drivers/scsi/pm8001/pm80xx_hwi.c:4872: warning: Excess function parameter 'num' description in 'pm80xx_chip_phy_stop_req'
 drivers/scsi/pm8001/pm80xx_hwi.c:4892: warning: Function parameter or member 'pm8001_ha' not described in 'pm80xx_chip_reg_dev_req'
 drivers/scsi/pm8001/pm80xx_hwi.c:4892: warning: Function parameter or member 'pm8001_dev' not described in 'pm80xx_chip_reg_dev_req'
 drivers/scsi/pm8001/pm80xx_hwi.c:4892: warning: Function parameter or member 'flag' not described in 'pm80xx_chip_reg_dev_req'
 drivers/scsi/pm8001/pm80xx_hwi.c:4966: warning: Function parameter or member 'phyId' not described in 'pm80xx_chip_phy_ctl_req'
 drivers/scsi/pm8001/pm80xx_hwi.c:4966: warning: Function parameter or member 'phy_op' not described in 'pm80xx_chip_phy_ctl_req'
 drivers/scsi/pm8001/pm80xx_hwi.c:4966: warning: Excess function parameter 'num' description in 'pm80xx_chip_phy_ctl_req'
 drivers/scsi/pm8001/pm80xx_hwi.c:4966: warning: Excess function parameter 'phy_id' description in 'pm80xx_chip_phy_ctl_req'
 drivers/scsi/pm8001/pm80xx_hwi.c:5006: warning: Function parameter or member 'vec' not described in 'pm80xx_chip_isr'
 drivers/scsi/pm8001/pm80xx_hwi.c:5006: warning: Excess function parameter 'irq' description in 'pm80xx_chip_isr'
 drivers/scsi/pm8001/pm80xx_hwi.c:5006: warning: Excess function parameter 'stat' description in 'pm80xx_chip_isr'

Link: https://lore.kernel.org/r/20200721164148.2617584-18-lee.jones@linaro.org
Cc: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:59 -04:00
Lee Jones
083645bab2 scsi: pm8001: Fix a bunch of kerneldoc issues
Provide lots of missing descriptions, remove some superfluous ones
(probably due to docrot) and demote one header which does not provide many
descriptions, and the ones it does provide are incorrect.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/pm8001/pm8001_hwi.c:339: warning: Function parameter or member 'number' not described in 'update_inbnd_queue_table'
 drivers/scsi/pm8001/pm8001_hwi.c:360: warning: Function parameter or member 'number' not described in 'update_outbnd_queue_table'
 drivers/scsi/pm8001/pm8001_hwi.c:480: warning: Function parameter or member 'interval' not described in 'mpi_set_open_retry_interval_reg'
 drivers/scsi/pm8001/pm8001_hwi.c:1238: warning: Function parameter or member 'int_vec_idx' not described in 'pm8001_chip_msix_interrupt_enable'
 drivers/scsi/pm8001/pm8001_hwi.c:1256: warning: Function parameter or member 'int_vec_idx' not described in 'pm8001_chip_msix_interrupt_disable'
 drivers/scsi/pm8001/pm8001_hwi.c:1270: warning: Function parameter or member 'vec' not described in 'pm8001_chip_interrupt_enable'
 drivers/scsi/pm8001/pm8001_hwi.c:1284: warning: Function parameter or member 'vec' not described in 'pm8001_chip_interrupt_disable'
 drivers/scsi/pm8001/pm8001_hwi.c:4508: warning: Excess function parameter 'num' description in 'pm8001_chip_phy_start_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4544: warning: Excess function parameter 'num' description in 'pm8001_chip_phy_stop_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4564: warning: Function parameter or member 'pm8001_ha' not described in 'pm8001_chip_reg_dev_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4564: warning: Function parameter or member 'pm8001_dev' not described in 'pm8001_chip_reg_dev_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4564: warning: Function parameter or member 'flag' not described in 'pm8001_chip_reg_dev_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4624: warning: Function parameter or member 'pm8001_ha' not described in 'pm8001_chip_dereg_dev_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4624: warning: Function parameter or member 'device_id' not described in 'pm8001_chip_dereg_dev_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4650: warning: Function parameter or member 'phyId' not described in 'pm8001_chip_phy_ctl_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4650: warning: Function parameter or member 'phy_op' not described in 'pm8001_chip_phy_ctl_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4650: warning: Excess function parameter 'num' description in 'pm8001_chip_phy_ctl_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4650: warning: Excess function parameter 'phy_id' description in 'pm8001_chip_phy_ctl_req'
 drivers/scsi/pm8001/pm8001_hwi.c:4687: warning: Function parameter or member 'vec' not described in 'pm8001_chip_isr'
 drivers/scsi/pm8001/pm8001_hwi.c:4687: warning: Excess function parameter 'irq' description in 'pm8001_chip_isr'
 drivers/scsi/pm8001/pm8001_hwi.c:4687: warning: Excess function parameter 'stat' description in 'pm8001_chip_isr'
 drivers/scsi/pm8001/pm8001_hwi.c:4727: warning: Function parameter or member 'pm8001_ha' not described in 'pm8001_chip_abort_task'
 drivers/scsi/pm8001/pm8001_hwi.c:4727: warning: Function parameter or member 'pm8001_dev' not described in 'pm8001_chip_abort_task'
 drivers/scsi/pm8001/pm8001_hwi.c:4727: warning: Function parameter or member 'task_tag' not described in 'pm8001_chip_abort_task'
 drivers/scsi/pm8001/pm8001_hwi.c:4727: warning: Function parameter or member 'cmd_tag' not described in 'pm8001_chip_abort_task'
 drivers/scsi/pm8001/pm8001_hwi.c:4727: warning: Excess function parameter 'task' description in 'pm8001_chip_abort_task'
 drivers/scsi/pm8001/pm8001_hwi.c:4966: warning: Function parameter or member 'tag' not described in 'pm8001_chip_fw_flash_update_build'

Link: https://lore.kernel.org/r/20200721164148.2617584-17-lee.jones@linaro.org
Cc: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:59 -04:00
Lee Jones
0683550b54 scsi: aic7xxx: Remove set but unused variables 'targ_info' and 'value'
Also remove 'tstate' which became unused after this patch.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic7xxx/aic79xx_core.c: In function ‘ahd_handle_seqint’:
 drivers/scsi/aic7xxx/aic79xx_core.c:1907:32: warning: variable ‘targ_info’ set but not used [-Wunused-but-set-variable]
 1907 | struct ahd_initiator_tinfo *targ_info;
 | ^~~~~~~~~
 drivers/scsi/pm8001/pm8001_hwi.c: In function ‘mpi_set_phys_g3_with_ssc’:
 drivers/scsi/pm8001/pm8001_hwi.c:413:6: warning: variable ‘value’ set but not used [-Wunused-but-set-variable]
 413 | u32 value, offset, i;
 | ^~~~~

Link: https://lore.kernel.org/r/20200721164148.2617584-16-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:59 -04:00
Lee Jones
3ca2c203ed scsi: qla4xxx: Move 'qla4_83xx_reg_tbl' from shared header
'qla4_83xx_reg_tbl' is only used in 'drivers/scsi/qla4xxx/ql4_os.c', move
it there.

Fixes the following W=1 kernel build warning(s):

 In file included from drivers/scsi/qla4xxx/ql4_def.h:46,
 from drivers/scsi/qla4xxx/ql4_init.c:9:
 At top level:
 drivers/scsi/qla4xxx/ql4_83xx.h:90:23: warning: ‘qla4_83xx_reg_tbl’ defined but not used [-Wunused-const-variable=]
 90 | static const uint32_t qla4_83xx_reg_tbl[] = {
 | ^~~~~~~~~~~~~~~~~
 In file included from drivers/scsi/qla4xxx/ql4_def.h:46,
 from drivers/scsi/qla4xxx/ql4_mbx.c:9:
 drivers/scsi/qla4xxx/ql4_83xx.h:90:23: warning: ‘qla4_83xx_reg_tbl’ defined but not used [-Wunused-const-variable=]
 90 | static const uint32_t qla4_83xx_reg_tbl[] = {
 | ^~~~~~~~~~~~~~~~~
 [...]
 NB: Lots of these - snipped for brevity.

Link: https://lore.kernel.org/r/20200721164148.2617584-15-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:59 -04:00
Lee Jones
b854460053 scsi: qla4xxx: Check return value of pci_set_mwi()
pci_set_mwi() has 'warn_unused_result' so the result should be checked.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_init.c: In function ‘qla4xxx_pci_config’:
 drivers/scsi/qla4xxx/ql4_init.c:664:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable]

And if 'status' is removed:

 drivers/scsi/qla4xxx/ql4_init.c: In function ‘qla4xxx_pci_config’:
 drivers/scsi/qla4xxx/ql4_init.c:666:2: warning: ignoring return value of ‘pci_set_mwi’, declared with attribute warn_unused_result [-Wunused-result]
 666 | pci_set_mwi(ha->pdev);
 | ^~~~~~~~~~~~~~~~~~~~~

Link: https://lore.kernel.org/r/20200721164148.2617584-14-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:59 -04:00
Lee Jones
4c2de9c541 scsi: qla4xxx: Remove set but unused variable 'func_number'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_init.c: In function ‘ql4xxx_set_mac_number’:
 drivers/scsi/qla4xxx/ql4_init.c:17:10: warning: variable ‘func_number’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200721164148.2617584-13-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:59 -04:00
Lee Jones
cd2eebfd40 scsi: pm8001: Add descriptions for unused 'attr' function parameters
Clean-up some whitespace issues too whilst we're here.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/pm8001/pm8001_ctl.c:102: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_fw_version_show'
 drivers/scsi/pm8001/pm8001_ctl.c:331: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_logging_level_show'
 drivers/scsi/pm8001/pm8001_ctl.c:400: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_ib_queue_log_show'
 drivers/scsi/pm8001/pm8001_ctl.c:433: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_ob_queue_log_show'
 drivers/scsi/pm8001/pm8001_ctl.c:464: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_bios_version_show'
 drivers/scsi/pm8001/pm8001_ctl.c:623: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_gsm_log_show'

Link: https://lore.kernel.org/r/20200721164148.2617584-12-lee.jones@linaro.org
Cc: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:58 -04:00
Lee Jones
a0cf5ce40d scsi: pm8001: Move function header and supply some missing parameter descriptions
Functions must follow directly after the header that documents them.

Fixes the following W=1 kernel build warning(s):

from  drivers/scsi/pm8001/pm8001_sas.c:41:
inlined from ‘pm8001_issue_ssp_tmf’ at  drivers/scsi/pm8001/pm8001_sas.c:919:2:
 drivers/scsi/pm8001/pm8001_sas.c:379: warning: Function parameter or member 'pm8001_dev' not described in 'DEV_IS_GONE'
 drivers/scsi/pm8001/pm8001_sas.c:379: warning: Excess function parameter 'task' description in 'DEV_IS_GONE'
 drivers/scsi/pm8001/pm8001_sas.c:379: warning: Excess function parameter 'num' description in 'DEV_IS_GONE'
 drivers/scsi/pm8001/pm8001_sas.c:379: warning: Excess function parameter 'gfp_flags' description in 'DEV_IS_GONE'
 drivers/scsi/pm8001/pm8001_sas.c:379: warning: Excess function parameter 'is_tmf' description in 'DEV_IS_GONE'
 drivers/scsi/pm8001/pm8001_sas.c:379: warning: Excess function parameter 'tmf' description in 'DEV_IS_GONE'
 drivers/scsi/pm8001/pm8001_sas.c:583: warning: Function parameter or member 'device_id' not described in 'pm8001_find_dev'
 drivers/scsi/pm8001/pm8001_sas.c:1000: warning: Function parameter or member 'dev' not described in 'pm8001_I_T_nexus_reset'

Link: https://lore.kernel.org/r/20200721164148.2617584-11-lee.jones@linaro.org
Cc: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:58 -04:00
Lee Jones
45c21cec38 scsi: aic94xx: Fix kerneldoc formatting issue with 'task'
Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic94xx/aic94xx_tmf.c:685: warning: Function parameter or member 'task' not described in 'asd_query_task'

Link: https://lore.kernel.org/r/20200721164148.2617584-9-lee.jones@linaro.org
Cc: Luben Tuikov <luben_tuikov@adaptec.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:58 -04:00
Lee Jones
a13689118f scsi: aacraid: Add descriptions for missing parameters
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/src.c:203: warning: Function parameter or member 'p2' not described in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:203: warning: Function parameter or member 'p3' not described in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:203: warning: Function parameter or member 'p4' not described in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:203: warning: Function parameter or member 'p5' not described in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:203: warning: Function parameter or member 'p6' not described in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:203: warning: Function parameter or member 'status' not described in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:203: warning: Function parameter or member 'r1' not described in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:203: warning: Function parameter or member 'r2' not described in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:203: warning: Function parameter or member 'r3' not described in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:203: warning: Function parameter or member 'r4' not described in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:203: warning: Excess function parameter 'ret' description in 'src_sync_cmd'
 drivers/scsi/aacraid/src.c:609: warning: Function parameter or member 'dev' not described in 'aac_src_ioremap'
 drivers/scsi/aacraid/src.c:639: warning: Function parameter or member 'dev' not described in 'aac_srcv_ioremap'

Link: https://lore.kernel.org/r/20200721164148.2617584-8-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:58 -04:00
Lee Jones
ee37a6e6d2 scsi: aic94xx: Fix a couple of kerneldoc formatting issues
Kerneldoc expects attributes/parameters to be in '@*.: ' format.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic94xx/aic94xx_dev.c:246: warning: Function parameter or member 'dev' not described in 'asd_init_sata_pm_port_ddb'
 drivers/scsi/aic94xx/aic94xx_dev.c:290: warning: Function parameter or member 'dev' not described in 'asd_init_sata_pm_ddb'

Link: https://lore.kernel.org/r/20200721164148.2617584-7-lee.jones@linaro.org
Cc: Luben Tuikov <luben_tuikov@adaptec.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:58 -04:00
Lee Jones
5d9d46b93d scsi: aacraid: Add missing description for 'dev'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/nark.c:31: warning: Function parameter or member 'dev' not described in 'aac_nark_ioremap'

Link: https://lore.kernel.org/r/20200721164148.2617584-6-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:58 -04:00
Lee Jones
3c4538f80b scsi: aacraid: Add missing description for 'dev'
And clean-up a couple of whitespace issues while we're here.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/rkt.c:64: warning: Function parameter or member 'dev' not described in 'aac_rkt_ioremap'

Link: https://lore.kernel.org/r/20200721164148.2617584-5-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:57 -04:00
Lee Jones
baef368914 scsi: aacraid: Add descriptions for missing parameters
Also clean-up some white space issues while we're here.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/sa.c:147: warning: Function parameter or member 'p2' not described in 'sa_sync_cmd'
 drivers/scsi/aacraid/sa.c:147: warning: Function parameter or member 'p3' not described in 'sa_sync_cmd'
 drivers/scsi/aacraid/sa.c:147: warning: Function parameter or member 'p4' not described in 'sa_sync_cmd'
 drivers/scsi/aacraid/sa.c:147: warning: Function parameter or member 'p5' not described in 'sa_sync_cmd'
 drivers/scsi/aacraid/sa.c:147: warning: Function parameter or member 'p6' not described in 'sa_sync_cmd'
 drivers/scsi/aacraid/sa.c:147: warning: Function parameter or member 'r1' not described in 'sa_sync_cmd'
 drivers/scsi/aacraid/sa.c:147: warning: Function parameter or member 'r2' not described in 'sa_sync_cmd'
 drivers/scsi/aacraid/sa.c:147: warning: Function parameter or member 'r3' not described in 'sa_sync_cmd'
 drivers/scsi/aacraid/sa.c:147: warning: Function parameter or member 'r4' not described in 'sa_sync_cmd'
 drivers/scsi/aacraid/sa.c:290: warning: Function parameter or member 'dev' not described in 'aac_sa_ioremap'

Link: https://lore.kernel.org/r/20200721164148.2617584-4-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:57 -04:00
Lee Jones
84dc1a1d54 scsi: aic7xxx: aic79xx_core: Remove a bunch of unused variables
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic7xxx/aic79xx_core.c: In function ‘ahd_dump_sglist’:
 drivers/scsi/aic7xxx/aic79xx_core.c:1738:14: warning: variable ‘len’ set but not used [-Wunused-but-set-variable]
 1738 | uint32_t len;
 | ^~~
 drivers/scsi/aic7xxx/aic79xx_core.c: In function ‘ahd_handle_seqint’:
 drivers/scsi/aic7xxx/aic79xx_core.c:1911:26: warning: variable ‘tinfo’ set but not used [-Wunused-but-set-variable]
 1911 | struct ahd_transinfo *tinfo;
 | ^~~~~
 drivers/scsi/aic7xxx/aic79xx_core.c: In function ‘ahd_handle_transmission_error’:
 drivers/scsi/aic7xxx/aic79xx_core.c:2672:8: warning: variable ‘lqistat2’ set but not used [-Wunused-but-set-variable]
 2672 | u_int lqistat2;
 | ^~~~~~~~
 drivers/scsi/aic7xxx/aic79xx_core.c: In function ‘ahd_update_pending_scbs’:
 drivers/scsi/aic7xxx/aic79xx_core.c:4221:31: warning: variable ‘tinfo’ set but not used [-Wunused-but-set-variable]
 4221 | struct ahd_initiator_tinfo *tinfo;
 | ^~~~~

Link: https://lore.kernel.org/r/20200721164148.2617584-3-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:57 -04:00
Lee Jones
7c7ef829ad scsi: arcmsr: arcmsr_hba: Remove statement with no effect
According to LKP, commit 18bc435e0a ("scsi: arcmsr: Remove some set but
unused variables") can be furthered to remove the entire statement and not
just the unused variable read into.

Snipped LKP report:

 config: x86_64-randconfig-m001-20200719
 compiler: gcc-9 (Debian 9.3.0-14) 9.3.0

 New smatch warnings:
  drivers/scsi/arcmsr/arcmsr_hba.c:1490 arcmsr_done4abort_postqueue() warn: statement has no effect 8
  drivers/scsi/arcmsr/arcmsr_hba.c:2459 arcmsr_hbaD_postqueue_isr() warn: statement has no effect 8
  drivers/scsi/arcmsr/arcmsr_hba.c:3526 arcmsr_hbaD_polling_ccbdone() warn: statement has no effect 8

 1a4f550a09 Nick Cheng  2007-09-13  1401  static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
 1a4f550a09 Nick Cheng  2007-09-13  1402  {
 [...]
 18bc435e0a Lee Jones   2020-07-13 @1490                             pmu->done_qbuffer[doneq_index & 0xFFF].addressHigh;
                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 Delete this line.
 [...]

Link: https://lore.kernel.org/r/20200721164148.2617584-2-lee.jones@linaro.org
Cc: support@areca.com.tw
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:57 -04:00
Wang Hai
003015b890 scsi: dpt_i2o: Remove superfluous memset()
Fixes coccicheck warning:

./drivers/scsi/dpt_i2o.c:3070:11-29: WARNING:
 dma_alloc_coherent use in sys_tbl already zeroes out memory, so memset is not needed
./drivers/scsi/dpt_i2o.c:2780:10-28: WARNING:
 dma_alloc_coherent use in status already zeroes out memory, so memset is not needed
./drivers/scsi/dpt_i2o.c:2834:20-38: WARNING:
 dma_alloc_coherent use in pHba -> reply_pool already zeroes out memory, so memset is not needed
./drivers/scsi/dpt_i2o.c:1328:10-28: WARNING:
 dma_alloc_coherent use in status already zeroes out memory, so memset is not needed

Link: https://lore.kernel.org/r/20200718123224.1202-1-wanghai38@huawei.com
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:57 -04:00
Ye Bin
811f39479c scsi: core: Delete unnecessary buffer allocation for every loop iteration
No need to allocate buffer every loop iteration. Allocate buffer once and
reuse it.

Link: https://lore.kernel.org/r/20200717090921.29243-2-yebin10@huawei.com
Signed-off-by: Ye Bin <yebin10@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:57 -04:00
Ye Bin
f30785db75 scsi: core: Add missing scsi_device_put() in scsi_host_block()
The scsi_host_block() case was missing in commit 4dea170f4f ("scsi: core:
Fix incorrect usage of shost_for_each_device").

Link: https://lore.kernel.org/r/20200717090921.29243-1-yebin10@huawei.com
Fixes: 2bb955840c ("scsi: core: add scsi_host_(block,unblock) helper function")
Fixes: 4dea170f4f ("scsi: core: Fix incorrect usage of shost_for_each_device")
Signed-off-by: Ye Bin <yebin10@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:57 -04:00
Miaohe Lin
e2289db1cc scsi: fcoe: Use eth_zero_addr() to clear mac address
Use eth_zero_addr() to clear mac address insetad of memset().

Link: https://lore.kernel.org/r/1595234344-13955-1-git-send-email-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:56 -04:00
Miaohe Lin
51d263cbdd scsi: fnic: Use eth_broadcast_addr() to assign broadcast address
Use eth_broadcast_addr() to assign broadcast address insetad of memset().

Link: https://lore.kernel.org/r/1595233498-13628-1-git-send-email-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:56 -04:00
Colin Ian King
584d902eb1 scsi: isci: Remove redundant initialization of variable 'status'
The variable 'status' is being initialized with a value that is never read
and it is being updated later with a new value.  The initialization is
redundant and can be removed.

Link: https://lore.kernel.org/r/20200723142614.991416-1-colin.king@canonical.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Addresses-Coverity: ("Unused value")
2020-07-24 22:09:56 -04:00
Varun Prakash
61965bf6c1 scsi: libcxgbi: Remove unnecessary NULL checks for 'tdata' pointer
'tdata' pointer will never be NULL so remove NULL checks.

Link: https://lore.kernel.org/r/1595505391-3335-1-git-send-email-varun@chelsio.com
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:56 -04:00
Finn Thain
edd7dd2292 scsi: mesh: Fix panic after host or bus reset
Booting Linux with a Conner CP3200 drive attached to the MESH SCSI bus
results in EH measures and a panic:

[   25.499838] mesh: configured for synchronous 5 MB/s
[   25.787154] mesh: performing initial bus reset...
[   29.867115] scsi host0: MESH
[   29.929527] mesh: target 0 synchronous at 3.6 MB/s
[   29.998763] scsi 0:0:0:0: Direct-Access     CONNER   CP3200-200mb-3.5 4040 PQ: 0 ANSI: 1 CCS
[   31.989975] sd 0:0:0:0: [sda] 415872 512-byte logical blocks: (213 MB/203 MiB)
[   32.070975] sd 0:0:0:0: [sda] Write Protect is off
[   32.137197] sd 0:0:0:0: [sda] Mode Sense: 5b 00 00 08
[   32.209661] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[   32.332708]  sda: [mac] sda1 sda2 sda3
[   32.417733] sd 0:0:0:0: [sda] Attached SCSI disk
... snip ...
[   76.687067] mesh_abort((ptrval))
[   76.743606] mesh: state at (ptrval), regs at (ptrval), dma at (ptrval)
[   76.810798]     ct=6000 seq=86 bs=4017 fc= 0 exc= 0 err= 0 im= 7 int= 0 sp=85
[   76.880720]     dma stat=84e0 cmdptr=1f73d000
[   76.941387]     phase=4 msgphase=0 conn_tgt=0 data_ptr=24576
[   77.005567]     dma_st=1 dma_ct=0 n_msgout=0
[   77.065456]     target 0: req=(ptrval) goes_out=0 saved_ptr=0
[   77.130512] mesh_abort((ptrval))
[   77.187670] mesh: state at (ptrval), regs at (ptrval), dma at (ptrval)
[   77.255594]     ct=6000 seq=86 bs=4017 fc= 0 exc= 0 err= 0 im= 7 int= 0 sp=85
[   77.325778]     dma stat=84e0 cmdptr=1f73d000
[   77.387239]     phase=4 msgphase=0 conn_tgt=0 data_ptr=24576
[   77.453665]     dma_st=1 dma_ct=0 n_msgout=0
[   77.515900]     target 0: req=(ptrval) goes_out=0 saved_ptr=0
[   77.582902] mesh_host_reset
[   88.187083] Kernel panic - not syncing: mesh: double DMA start !
[   88.254510] CPU: 0 PID: 358 Comm: scsi_eh_0 Not tainted 5.6.13-pmac #1
[   88.323302] Call Trace:
[   88.378854] [e16ddc58] [c0027080] panic+0x13c/0x308 (unreliable)
[   88.446221] [e16ddcb8] [c02b2478] mesh_start.part.12+0x130/0x414
[   88.513298] [e16ddcf8] [c02b2fc8] mesh_queue+0x54/0x70
[   88.577097] [e16ddd18] [c02a1848] scsi_send_eh_cmnd+0x374/0x384
[   88.643476] [e16dddc8] [c02a1938] scsi_eh_tur+0x5c/0xb8
[   88.707878] [e16dddf8] [c02a1ab8] scsi_eh_test_devices+0x124/0x178
[   88.775663] [e16dde28] [c02a2094] scsi_eh_ready_devs+0x588/0x8a8
[   88.843124] [e16dde98] [c02a31d8] scsi_error_handler+0x344/0x520
[   88.910697] [e16ddf08] [c00409c8] kthread+0xe4/0xe8
[   88.975166] [e16ddf38] [c000f234] ret_from_kernel_thread+0x14/0x1c
[   89.044112] Rebooting in 180 seconds..

In theory, a panic can happen after a bus or host reset with dma_started
flag set. Fix this by halting the DMA before reinitializing the host.
Don't assume that ms->current_req is set when halt_dma() is invoked as it
may not hold for bus or host reset.

BTW, this particular Conner drive can be made to work by inhibiting
disconnect/reselect with 'mesh.resel_targets=0'.

Link: https://lore.kernel.org/r/3952bc691e150a7128b29120999b6092071b039a.1595460351.git.fthain@telegraphics.com.au
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: Paul Mackerras <paulus@ozlabs.org>
Reported-and-tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:56 -04:00
Colin Ian King
55eb809f5e scsi: libsas: Remove redundant assignment to variable res
The variable 'res' is being initialized with a value that is never read and
it is being updated later with a new value. The initialization is redundant
and can be removed.

Link: https://lore.kernel.org/r/20200722154404.959267-1-colin.king@canonical.com
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Addresses-Coverity: ("Unused value")
2020-07-24 22:09:56 -04:00
Luo Jiaxing
3865337965 scsi: libsas: Check link status in ATA prereset()
libata currently attempts to reset even if the SATA disk is unplugged.  To
avoid the meaningless reset of a missing disk, libsas should report offline
status to libata. libata already provides a .prereset callback for this
purpose. This is called by ata_eh_reset() and can be used to influence
whether a reset attempt should be made.

Add sas_ata_preset callback to check status of phy and disk. If the disk is
already offline or phy is disabled, we return -ENOENT to libata to avoid
the reset.

Link: https://lore.kernel.org/r/1595408643-63011-3-git-send-email-luojiaxing@huawei.com
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Luo Jiaxing <luojiaxing@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:55 -04:00
Luo Jiaxing
3a243c2c35 scsi: libsas: Remove postreset from sas_sata_ops
sas_sata_ops uses ata_std_postreset as .postreset callback. However,
ata_std_postreset() calls sata_scr_read()/sata_scr_write() which need to
access the ATA SCR register. This register not available in the libsas case
and the functions always return -EOPNOTSUPP.

Drop the .postreset callback.

Link: https://lore.kernel.org/r/1595408643-63011-2-git-send-email-luojiaxing@huawei.com
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Luo Jiaxing <luojiaxing@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:55 -04:00
Guenter Roeck
e3d2bf6505 scsi: lpfc: Add dependency on CPU_FREQ
Since commit 317aeb83c9 ("scsi: lpfc: Add blk_io_poll support for latency
improvment"), the lpfc driver depends on CPUFREQ. Without it, builds fail
with

drivers/scsi/lpfc/lpfc_sli.c: In function 'lpfc_init_idle_stat_hb':
drivers/scsi/lpfc/lpfc_sli.c:7329:26: error:
	implicit declaration of function 'get_cpu_idle_time'

Add the missing dependency.

Link: https://lore.kernel.org/r/20200722023027.36866-1-linux@roeck-us.net
Fixes: 317aeb83c9 ("scsi: lpfc: Add blk_io_poll support for latency improvment")
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Cc: James Smart <jsmart2021@gmail.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:55 -04:00
Liao Pingfang
6671eebd67 scsi: ppa: Remove superfluous breaks
Remove superfluous breaks, as there is a "return" before them.

Link: https://lore.kernel.org/r/1594724371-11677-1-git-send-email-wang.yi59@zte.com.cn
Signed-off-by: Liao Pingfang <liao.pingfang@zte.com.cn>
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:55 -04:00
Liao Pingfang
b54dc46cbe scsi: imm: Remove superfluous breaks
Remove superfluous breaks, as there is a "return" before them.

Link: https://lore.kernel.org/r/1594724367-11593-1-git-send-email-wang.yi59@zte.com.cn
Signed-off-by: Liao Pingfang <liao.pingfang@zte.com.cn>
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:55 -04:00
Alan Stern
8f38f8e0a3 scsi: block: pm: Simplify resume handling
Commit 05d18ae1cc ("scsi: pm: Balance pm_only counter of request queue
during system resume") fixed a problem in the block layer's runtime-PM
code: blk_set_runtime_active() failed to call blk_clear_pm_only().
However, the commit's implementation was awkward; it forced the SCSI
system-resume handler to choose whether to call blk_post_runtime_resume()
or blk_set_runtime_active(), depending on whether or not the SCSI device
had previously been runtime suspended.

This patch simplifies the situation considerably by adding the missing
function call directly into blk_set_runtime_active() (under the condition
that the queue is not already in the RPM_ACTIVE state).  This allows the
SCSI routine to revert back to its original form.  Furthermore, making this
change reveals that blk_post_runtime_resume() (in its success pathway) does
exactly the same thing as blk_set_runtime_active().  The duplicate code is
easily removed by making one routine call the other.

No functional changes are intended.

Link: https://lore.kernel.org/r/20200706151436.GA702867@rowland.harvard.edu
CC: Can Guo <cang@codeaurora.org>
CC: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:55 -04:00
Eric Biggers
df4ec2fa7a scsi: ufs-qcom: Add Inline Crypto Engine support
Add support for Qualcomm Inline Crypto Engine (ICE) to ufs-qcom.

The standards-compliant parts, such as querying the crypto capabilities and
enabling crypto for individual UFS requests, are already handled by
ufshcd-crypto.c, which itself is wired into the blk-crypto framework.
However, ICE requires vendor-specific init, enable, and resume logic, and
it requires that keys be programmed and evicted by vendor-specific SMC
calls.  Make the ufs-qcom driver handle these details.

I tested this on Dragonboard 845c, which is a publicly available
development board that uses the Snapdragon 845 SoC and runs the upstream
Linux kernel.  This is the same SoC used in the Pixel 3 and Pixel 3 XL
phones.  This testing included (among other things) verifying that the
expected ciphertext was produced, both manually using ext4 encryption and
automatically using a block layer self-test I've written.

I've also tested that this driver works nearly as-is on the Snapdragon 765
and Snapdragon 865 SoCs.  And others have tested it on Snapdragon 850,
Snapdragon 855, and Snapdragon 865 (see the Tested-by tags).

This is based very loosely on the vendor-provided driver in the kernel
source code for the Pixel 3, but I've greatly simplified it.  Also, for now
I've only included support for major version 3 of ICE, since that's all I
have the hardware to test with the mainline kernel.  Plus it appears that
version 3 is easier to use than older versions of ICE.

For now, only allow using AES-256-XTS.  The hardware also declares support
for AES-128-XTS, AES-{128,256}-ECB, and AES-{128,256}-CBC (BitLocker
variant).  But none of these others are really useful, and they'd need to
be individually tested to be sure they worked properly.

This commit also changes the name of the loadable module from "ufs-qcom" to
"ufs_qcom", as this is necessary to compile it from multiple source files
(unless we were to rename ufs-qcom.c).

Link: https://lore.kernel.org/r/20200710072013.177481-6-ebiggers@kernel.org
Tested-by: Steev Klimaszewski <steev@kali.org> # Lenovo Yoga C630
Tested-by: Thara Gopinath <thara.gopinath@linaro.org> # db845c, sm8150-mtp, sm8250-mtp
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:54 -04:00
Eric Biggers
1bc726e26e scsi: ufs: Add program_key() variant op
On Snapdragon SoCs, the Linux kernel isn't permitted to directly access the
standard UFS crypto configuration registers.  Instead, programming and
evicting keys must be done through vendor-specific SMC calls.

To support this hardware, add a ->program_key() method to 'struct
ufs_hba_variant_ops'.  This allows overriding the UFS standard key
programming / eviction procedure.

Link: https://lore.kernel.org/r/20200710072013.177481-5-ebiggers@kernel.org
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:54 -04:00
Eric Biggers
083dd788e4 scsi: ufs-qcom: Name the dev_ref_clk_ctrl registers
In preparation for adding another optional register range to the ufs-qcom
driver, name the existing optional register range "dev_ref_clk_ctrl_mem".
This allows the driver to refer to the optional register ranges by name
rather than index.

No device-tree files actually have to be updated due to this change, since
none of them actually declares these registers.

Link: https://lore.kernel.org/r/20200710072013.177481-3-ebiggers@kernel.org
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:54 -04:00
Hannes Reinecke
3eef38a143 scsi: aic79xx: Restore modes when exiting ahd_linux_queue_abort_cmd()
ahd_linux_queue_abort_cmd() calls ahd_save_modes() without calling
ahd_restore_modes() before exiting.

Link: https://lore.kernel.org/r/20200714160301.4482-1-hare@suse.de
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:54 -04:00
Tomas Henzl
1eb81df5c5 scsi: megaraid_sas: Clear affinity hint
To avoid a warning in free_irq, clear the affinity hint.

Link: https://lore.kernel.org/r/20200709133144.8363-1-thenzl@redhat.com
Fixes: f0b9e7bdc3 ("scsi: megaraid_sas: Set affinity for high IOPS reply queues")
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:54 -04:00
Don Brace
654cc541a9 scsi: hpsa: Bump version
Link: https://lore.kernel.org/r/159528198909.24772.9189002306398058371.stgit@brunhilda
Reviewed-by: Gerry Morong <gerry.morong@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:54 -04:00
Don Brace
30bda7848a scsi: hpsa: Increase controller error handling timeout
The controller can become slow to respond to SCSI INQUIRY requests
resulting in the SCSI midlayer offlining the controller device.

Increase the timeout value for commands sent to the controller device.

Link: https://lore.kernel.org/r/159528198335.24772.7963614374905470122.stgit@brunhilda
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:53 -04:00
Don Brace
9bb872a725 scsi: hpsa: Increase queue depth for external LUNs
Increase queue_depth for PTRAID devices to improve performance.

Link: https://lore.kernel.org/r/159528197765.24772.15623281371636788406.stgit@brunhilda
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:53 -04:00
Don Brace
27e1b94dc9 scsi: hpsa: Correct rare oob condition
There are some rare conditions where a spare is first in the device list
causing an array out-of-bounds condition.

Link: https://lore.kernel.org/r/159528197176.24772.14659026352708896249.stgit@brunhilda
Reviewed-by: Scott Teel <scott.teel@microsemi.com>
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:53 -04:00
Xiongfeng Wang
ede74559ed scsi: scsi_transport_sas: Add missing newline in sysfs 'enable' attribute
Add newline when formatting SAS transport class phy 'enable' attribute.

[root@localhost ~]# cat /sys/devices/pci0000:00/0000:00:0d.0/0000:0f:00.0/host3/phy-3:2/sas_phy/phy-3:2/enable
1[root@localhost ~]#

Link: https://lore.kernel.org/r/1594975472-12486-1-git-send-email-wangxiongfeng2@huawei.com
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Bart van Assche <bvanassche@acm.org>
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:53 -04:00
Johannes Thumshirn
b9245385f7 scsi: sd_zbc: Don't limit max_zone_append sectors to max_hw_sectors
Don't clamp the maximum number of zone append sectors to the maximum number
of hardware sectors in sd as the block layer is already enforcing this
limit when setting max_zone_append_sectors.

Link: https://lore.kernel.org/r/20200716091606.38316-1-johannes.thumshirn@wdc.com
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-24 22:09:53 -04:00
Ming Lei
3f0dcfbcd2 scsi: core: Run queue in case of I/O resource contention failure
I/O requests may be held in scheduler queue because of resource contention.
The starvation scenario was handled properly in the regular completion
path but we failed to account for it during I/O submission. This lead to
the hang captured below. Make sure we run the queue when resource
contention is encountered in the submission path.

[   39.054963] scsi 13:0:0:0: rejecting I/O to dead device
[   39.058700] scsi 13:0:0:0: rejecting I/O to dead device
[   39.087855] sd 13:0:0:1: [sdd] Synchronizing SCSI cache
[   39.088909] scsi 13:0:0:1: rejecting I/O to dead device
[   39.095351] scsi 13:0:0:1: rejecting I/O to dead device
[   39.096962] scsi 13:0:0:1: rejecting I/O to dead device
[  247.021859] INFO: task scsi-stress-rem:813 blocked for more than 122 seconds.
[  247.023258]       Not tainted 5.8.0-rc2 #8
[  247.024069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  247.025331] scsi-stress-rem D    0   813    802 0x00004000
[  247.025334] Call Trace:
[  247.025354]  __schedule+0x504/0x55f
[  247.027987]  schedule+0x72/0xa8
[  247.027991]  blk_mq_freeze_queue_wait+0x63/0x8c
[  247.027994]  ? do_wait_intr_irq+0x7a/0x7a
[  247.027996]  blk_cleanup_queue+0x4b/0xc9
[  247.028000]  __scsi_remove_device+0xf6/0x14e
[  247.028002]  scsi_remove_device+0x21/0x2b
[  247.029037]  sdev_store_delete+0x58/0x7c
[  247.029041]  kernfs_fop_write+0x10d/0x14f
[  247.031281]  vfs_write+0xa2/0xdf
[  247.032670]  ksys_write+0x6b/0xb3
[  247.032673]  do_syscall_64+0x56/0x82
[  247.034053]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  247.034059] RIP: 0033:0x7f69f39e9008
[  247.036330] Code: Bad RIP value.
[  247.036331] RSP: 002b:00007ffdd8116498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  247.037613] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f69f39e9008
[  247.039714] RDX: 0000000000000002 RSI: 000055cde92a0ab0 RDI: 0000000000000001
[  247.039715] RBP: 000055cde92a0ab0 R08: 000000000000000a R09: 00007f69f3a79e80
[  247.039716] R10: 000000000000000a R11: 0000000000000246 R12: 00007f69f3abb780
[  247.039717] R13: 0000000000000002 R14: 00007f69f3ab6740 R15: 0000000000000002

Link: https://lore.kernel.org/r/20200720025435.812030-1-ming.lei@redhat.com
Cc: linux-block@vger.kernel.org
Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-20 21:38:20 -04:00
Alexander Lobakin
bdb5d8ec47 qed, qede, qedf: convert link mode from u32 to ETHTOOL_LINK_MODE
Currently qed driver already ran out of 32 bits to store link modes,
and this doesn't allow to add and support more speeds.
Convert custom link mode to generic Ethtool bitmap and definitions
(convenient Phylink shorthands are used for elegance and readability).
This allowed us to drop all conversions/mappings between the driver
and Ethtool.

This involves changes in qede and qedf as well, as they used definitions
from shared "qed_if.h".

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20 17:59:43 -07:00
Kees Cook
3f649ab728 treewide: Remove uninitialized_var() usage
Using uninitialized_var() is dangerous as it papers over real bugs[1]
(or can in the future), and suppresses unrelated compiler warnings
(e.g. "unused variable"). If the compiler thinks it is uninitialized,
either simply initialize the variable or make compiler changes.

In preparation for removing[2] the[3] macro[4], remove all remaining
needless uses with the following script:

git grep '\buninitialized_var\b' | cut -d: -f1 | sort -u | \
	xargs perl -pi -e \
		's/\buninitialized_var\(([^\)]+)\)/\1/g;
		 s:\s*/\* (GCC be quiet|to make compiler happy) \*/$::g;'

drivers/video/fbdev/riva/riva_hw.c was manually tweaked to avoid
pathological white-space.

No outstanding warnings were found building allmodconfig with GCC 9.3.0
for x86_64, i386, arm64, arm, powerpc, powerpc64le, s390x, mips, sparc64,
alpha, and m68k.

[1] https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/
[2] https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/
[3] https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/
[4] https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/

Reviewed-by: Leon Romanovsky <leonro@mellanox.com> # drivers/infiniband and mlx4/mlx5
Acked-by: Jason Gunthorpe <jgg@mellanox.com> # IB
Acked-by: Kalle Valo <kvalo@codeaurora.org> # wireless drivers
Reviewed-by: Chao Yu <yuchao0@huawei.com> # erofs
Signed-off-by: Kees Cook <keescook@chromium.org>
2020-07-16 12:35:15 -07:00
Lee Jones
42b840bcfc scsi: aic7xxx: Fix 'amount_xferred' set but not used issue
'amount_xferred' is used, but only in certain circumstances.  Place
the same stipulations on the defining/allocating of 'amount_xferred'
as is placed when using it.

We've been careful not to change any of the ordering semantics here.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic7xxx/aic79xx_osm.c: In function ‘ahd_done’:
 drivers/scsi/aic7xxx/aic79xx_osm.c:1796:12: warning: variable ‘amount_xferred’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200713080001.128044-24-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:28:26 -04:00
Lee Jones
532d56c631 scsi: aic7xxx: Remove unused variables 'wait' and 'paused'
It looks like they have never actually been used.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic7xxx/aic79xx_osm.c: In function ‘ahd_linux_dev_reset’:
 drivers/scsi/aic7xxx/aic79xx_osm.c:782:9: warning: variable ‘wait’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/aic7xxx/aic79xx_osm.c:781:9: warning: variable ‘paused’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200713080001.128044-23-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:28:25 -04:00
Lee Jones
91b6e191c4 scsi: aic7xxx: Remove unused variable 'ahd'
Hasn't been used since 2005.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic7xxx/aic79xx_osm.c: In function ‘ahd_linux_slave_configure’:
 drivers/scsi/aic7xxx/aic79xx_osm.c:703:20: warning: variable ‘ahd’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200713080001.128044-22-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:28:24 -04:00
Lee Jones
09d99705b5 scsi: lpfc: Correct some pretty obvious misdocumentation
Either due to API slippage before the driver was mainlined or copy/paste
errors.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/lpfc/lpfc_nvme.c:254: warning: Function parameter or member 'pnvme_lport' not described in 'lpfc_nvme_create_queue'
 drivers/scsi/lpfc/lpfc_nvme.c:254: warning: Function parameter or member 'qsize' not described in 'lpfc_nvme_create_queue'
 drivers/scsi/lpfc/lpfc_nvme.c:254: warning: Excess function parameter 'lpfc_pnvme' description in 'lpfc_nvme_create_queue'
 drivers/scsi/lpfc/lpfc_nvme.c:311: warning: Function parameter or member 'pnvme_lport' not described in 'lpfc_nvme_delete_queue'
 drivers/scsi/lpfc/lpfc_nvme.c:311: warning: Excess function parameter 'lpfc_pnvme' description in 'lpfc_nvme_delete_queue'
 drivers/scsi/lpfc/lpfc_nvme.c:689: warning: Function parameter or member 'gen_req_cmp' not described in '__lpfc_nvme_ls_req'
 drivers/scsi/lpfc/lpfc_nvme.c:801: warning: Function parameter or member 'pnvme_lport' not described in 'lpfc_nvme_ls_req'
 drivers/scsi/lpfc/lpfc_nvme.c:801: warning: Function parameter or member 'pnvme_rport' not described in 'lpfc_nvme_ls_req'
 drivers/scsi/lpfc/lpfc_nvme.c:801: warning: Function parameter or member 'pnvme_lsreq' not described in 'lpfc_nvme_ls_req'
 drivers/scsi/lpfc/lpfc_nvme.c:801: warning: Excess function parameter 'lpfc_nvme_lport' description in 'lpfc_nvme_ls_req'
 drivers/scsi/lpfc/lpfc_nvme.c:801: warning: Excess function parameter 'lpfc_nvme_rport' description in 'lpfc_nvme_ls_req'
 drivers/scsi/lpfc/lpfc_nvme.c:937: warning: Function parameter or member 'pnvme_lport' not described in 'lpfc_nvme_ls_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:937: warning: Function parameter or member 'pnvme_rport' not described in 'lpfc_nvme_ls_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:937: warning: Function parameter or member 'pnvme_lsreq' not described in 'lpfc_nvme_ls_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:937: warning: Excess function parameter 'lpfc_nvme_lport' description in 'lpfc_nvme_ls_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:937: warning: Excess function parameter 'lpfc_nvme_rport' description in 'lpfc_nvme_ls_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:1075: warning: Function parameter or member 'phba' not described in 'lpfc_nvme_io_cmd_wqe_cmpl'
 drivers/scsi/lpfc/lpfc_nvme.c:1075: warning: Function parameter or member 'pwqeIn' not described in 'lpfc_nvme_io_cmd_wqe_cmpl'
 drivers/scsi/lpfc/lpfc_nvme.c:1075: warning: Function parameter or member 'wcqe' not described in 'lpfc_nvme_io_cmd_wqe_cmpl'
 drivers/scsi/lpfc/lpfc_nvme.c:1075: warning: Excess function parameter 'lpfc_pnvme' description in 'lpfc_nvme_io_cmd_wqe_cmpl'
 drivers/scsi/lpfc/lpfc_nvme.c:1075: warning: Excess function parameter 'lpfc_nvme_lport' description in 'lpfc_nvme_io_cmd_wqe_cmpl'
 drivers/scsi/lpfc/lpfc_nvme.c:1075: warning: Excess function parameter 'lpfc_nvme_rport' description in 'lpfc_nvme_io_cmd_wqe_cmpl'
 drivers/scsi/lpfc/lpfc_nvme.c:1313: warning: Function parameter or member 'vport' not described in 'lpfc_nvme_prep_io_cmd'
 drivers/scsi/lpfc/lpfc_nvme.c:1313: warning: Function parameter or member 'lpfc_ncmd' not described in 'lpfc_nvme_prep_io_cmd'
 drivers/scsi/lpfc/lpfc_nvme.c:1313: warning: Function parameter or member 'pnode' not described in 'lpfc_nvme_prep_io_cmd'
 drivers/scsi/lpfc/lpfc_nvme.c:1313: warning: Function parameter or member 'cstat' not described in 'lpfc_nvme_prep_io_cmd'
 drivers/scsi/lpfc/lpfc_nvme.c:1313: warning: Excess function parameter 'lpfc_pnvme' description in 'lpfc_nvme_prep_io_cmd'
 drivers/scsi/lpfc/lpfc_nvme.c:1313: warning: Excess function parameter 'lpfc_nvme_lport' description in 'lpfc_nvme_prep_io_cmd'
 drivers/scsi/lpfc/lpfc_nvme.c:1313: warning: Excess function parameter 'lpfc_nvme_rport' description in 'lpfc_nvme_prep_io_cmd'
 drivers/scsi/lpfc/lpfc_nvme.c:1313: warning: Excess function parameter 'lpfc_nvme_fcreq' description in 'lpfc_nvme_prep_io_cmd'
 drivers/scsi/lpfc/lpfc_nvme.c:1313: warning: Excess function parameter 'hw_queue_handle' description in 'lpfc_nvme_prep_io_cmd'
 drivers/scsi/lpfc/lpfc_nvme.c:1420: warning: Function parameter or member 'vport' not described in 'lpfc_nvme_prep_io_dma'
 drivers/scsi/lpfc/lpfc_nvme.c:1420: warning: Function parameter or member 'lpfc_ncmd' not described in 'lpfc_nvme_prep_io_dma'
 drivers/scsi/lpfc/lpfc_nvme.c:1420: warning: Excess function parameter 'lpfc_pnvme' description in 'lpfc_nvme_prep_io_dma'
 drivers/scsi/lpfc/lpfc_nvme.c:1420: warning: Excess function parameter 'lpfc_nvme_lport' description in 'lpfc_nvme_prep_io_dma'
 drivers/scsi/lpfc/lpfc_nvme.c:1420: warning: Excess function parameter 'lpfc_nvme_rport' description in 'lpfc_nvme_prep_io_dma'
 drivers/scsi/lpfc/lpfc_nvme.c:1420: warning: Excess function parameter 'lpfc_nvme_fcreq' description in 'lpfc_nvme_prep_io_dma'
 drivers/scsi/lpfc/lpfc_nvme.c:1420: warning: Excess function parameter 'hw_queue_handle' description in 'lpfc_nvme_prep_io_dma'
 drivers/scsi/lpfc/lpfc_nvme.c:1598: warning: bad line:  indicated in @lpfc_nvme_rport.
 drivers/scsi/lpfc/lpfc_nvme.c:1609: warning: Function parameter or member 'pnvme_lport' not described in 'lpfc_nvme_fcp_io_submit'
 drivers/scsi/lpfc/lpfc_nvme.c:1609: warning: Function parameter or member 'pnvme_rport' not described in 'lpfc_nvme_fcp_io_submit'
 drivers/scsi/lpfc/lpfc_nvme.c:1609: warning: Function parameter or member 'pnvme_fcreq' not described in 'lpfc_nvme_fcp_io_submit'
 drivers/scsi/lpfc/lpfc_nvme.c:1609: warning: Excess function parameter 'lpfc_pnvme' description in 'lpfc_nvme_fcp_io_submit'
 drivers/scsi/lpfc/lpfc_nvme.c:1609: warning: Excess function parameter 'lpfc_nvme_lport' description in 'lpfc_nvme_fcp_io_submit'
 drivers/scsi/lpfc/lpfc_nvme.c:1609: warning: Excess function parameter 'lpfc_nvme_rport' description in 'lpfc_nvme_fcp_io_submit'
 drivers/scsi/lpfc/lpfc_nvme.c:1609: warning: Excess function parameter 'lpfc_nvme_fcreq' description in 'lpfc_nvme_fcp_io_submit'
 drivers/scsi/lpfc/lpfc_nvme.c:1856: warning: Function parameter or member 'abts_cmpl' not described in 'lpfc_nvme_abort_fcreq_cmpl'
 drivers/scsi/lpfc/lpfc_nvme.c:1856: warning: Excess function parameter 'rspiocb' description in 'lpfc_nvme_abort_fcreq_cmpl'
 drivers/scsi/lpfc/lpfc_nvme.c:1892: warning: Function parameter or member 'pnvme_lport' not described in 'lpfc_nvme_fcp_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:1892: warning: Function parameter or member 'pnvme_rport' not described in 'lpfc_nvme_fcp_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:1892: warning: Function parameter or member 'pnvme_fcreq' not described in 'lpfc_nvme_fcp_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:1892: warning: Excess function parameter 'lpfc_pnvme' description in 'lpfc_nvme_fcp_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:1892: warning: Excess function parameter 'lpfc_nvme_lport' description in 'lpfc_nvme_fcp_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:1892: warning: Excess function parameter 'lpfc_nvme_rport' description in 'lpfc_nvme_fcp_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:1892: warning: Excess function parameter 'lpfc_nvme_fcreq' description in 'lpfc_nvme_fcp_abort'
 drivers/scsi/lpfc/lpfc_nvme.c:2093: warning: Function parameter or member 'ndlp' not described in 'lpfc_get_nvme_buf'
 drivers/scsi/lpfc/lpfc_nvme.c:2093: warning: Function parameter or member 'idx' not described in 'lpfc_get_nvme_buf'
 drivers/scsi/lpfc/lpfc_nvme.c:2093: warning: Function parameter or member 'expedite' not described in 'lpfc_get_nvme_buf'
 drivers/scsi/lpfc/lpfc_nvme.c:2197: warning: Function parameter or member 'vport' not described in 'lpfc_nvme_create_localport'
 drivers/scsi/lpfc/lpfc_nvme.c:2330: warning: Function parameter or member 'vport' not described in 'lpfc_nvme_destroy_localport'
 drivers/scsi/lpfc/lpfc_nvme.c:2330: warning: Excess function parameter 'pnvme' description in 'lpfc_nvme_destroy_localport'
 drivers/scsi/lpfc/lpfc_nvme.c:2543: warning: Function parameter or member 'vport' not described in 'lpfc_nvme_rescan_port'
 drivers/scsi/lpfc/lpfc_nvme.c:2543: warning: Function parameter or member 'ndlp' not described in 'lpfc_nvme_rescan_port'

Link: https://lore.kernel.org/r/20200713080001.128044-21-lee.jones@linaro.org
Cc: James Smart <james.smart@broadcom.com>
Cc: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:28:24 -04:00
Lee Jones
7405edfdfb scsi: be2iscsi: Add missing function parameter description
Also promote fully documented function header to kerneldoc.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/be2iscsi/be_mgmt.c:112: warning: Function parameter or member 'phba' not described in 'mgmt_open_connection'

Link: https://lore.kernel.org/r/20200713080001.128044-20-lee.jones@linaro.org
Cc: Subbu Seetharaman <subbu.seetharaman@broadcom.com>
Cc: Ketan Mukadam <ketan.mukadam@broadcom.com>
Cc: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
Cc: linux-drivers@broadcom.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:28:23 -04:00
Lee Jones
dbc019a48f scsi: be2iscsi: Fix misdocumentation of 'pcontext'
Also demote unintentional kerneldoc header.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/be2iscsi/be_main.c:986: warning: Function parameter or member 'pcontext' not described in 'alloc_wrb_handle'
 drivers/scsi/be2iscsi/be_main.c:986: warning: Excess function parameter 'pwrb_context' description in 'alloc_wrb_handle'
 drivers/scsi/be2iscsi/be_main.c:1409: warning: Function parameter or member 'beiscsi_conn' not described in 'beiscsi_complete_pdu'
 drivers/scsi/be2iscsi/be_main.c:1409: warning: Function parameter or member 'phdr' not described in 'beiscsi_complete_pdu'
 drivers/scsi/be2iscsi/be_main.c:1409: warning: Function parameter or member 'pdata' not described in 'beiscsi_complete_pdu'
 drivers/scsi/be2iscsi/be_main.c:1409: warning: Function parameter or member 'dlen' not described in 'beiscsi_complete_pdu'

Link: https://lore.kernel.org/r/20200713080001.128044-19-lee.jones@linaro.org
Cc: Subbu Seetharaman <subbu.seetharaman@broadcom.com>
Cc: Ketan Mukadam <ketan.mukadam@broadcom.com>
Cc: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
Cc: linux-drivers@broadcom.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:28:23 -04:00
Lee Jones
abad069ef0 scsi: be2iscsi: Fix API/documentation slip
And add descriptions for a couple of missing function parameters.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/be2iscsi/be_iscsi.c:38: warning: Function parameter or member 'ep' not described in 'beiscsi_session_create'
 drivers/scsi/be2iscsi/be_iscsi.c:173: warning: Function parameter or member 'is_leading' not described in 'beiscsi_conn_bind'
 drivers/scsi/be2iscsi/be_iscsi.c:998: warning: Function parameter or member 'beiscsi_ep' not described in 'beiscsi_free_ep'
 drivers/scsi/be2iscsi/be_iscsi.c:998: warning: Excess function parameter 'ep' description in 'beiscsi_free_ep'
 drivers/scsi/be2iscsi/be_iscsi.c:1039: warning: Function parameter or member 'non_blocking' not described in 'beiscsi_open_conn'
 drivers/scsi/be2iscsi/be_iscsi.c:1135: warning: Function parameter or member 'shost' not described in 'beiscsi_ep_connect'
 drivers/scsi/be2iscsi/be_iscsi.c:1135: warning: Excess function parameter 'scsi_host' description in 'beiscsi_ep_connect'
 drivers/scsi/be2iscsi/be_iscsi.c:1236: warning: Function parameter or member 'beiscsi_ep' not described in 'beiscsi_conn_close'
 drivers/scsi/be2iscsi/be_iscsi.c:1236: warning: Excess function parameter 'ep' description in 'beiscsi_conn_close'

Link: https://lore.kernel.org/r/20200713080001.128044-18-lee.jones@linaro.org
Cc: Subbu Seetharaman <subbu.seetharaman@broadcom.com>
Cc: Ketan Mukadam <ketan.mukadam@broadcom.com>
Cc: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
Cc: linux-drivers@broadcom.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:28:22 -04:00
Lee Jones
8a692fdb1d scsi: myrs: Demote obvious misuse of kerneldoc to standard comment blocks
No attempt has been made to document any of the demoted functions here.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/myrs.c:94: warning: Function parameter or member 'cmd_blk' not described in 'myrs_reset_cmd'
 drivers/scsi/myrs.c:105: warning: Function parameter or member 'cs' not described in 'myrs_qcmd'
 drivers/scsi/myrs.c:105: warning: Function parameter or member 'cmd_blk' not described in 'myrs_qcmd'
 drivers/scsi/myrs.c:130: warning: Function parameter or member 'cs' not described in 'myrs_exec_cmd'
 drivers/scsi/myrs.c:130: warning: Function parameter or member 'cmd_blk' not described in 'myrs_exec_cmd'
 drivers/scsi/myrs.c:149: warning: Function parameter or member 'cs' not described in 'myrs_report_progress'
 drivers/scsi/myrs.c:149: warning: Function parameter or member 'ldev_num' not described in 'myrs_report_progress'
 drivers/scsi/myrs.c:149: warning: Function parameter or member 'msg' not described in 'myrs_report_progress'
 drivers/scsi/myrs.c:149: warning: Function parameter or member 'blocks' not described in 'myrs_report_progress'
 drivers/scsi/myrs.c:149: warning: Function parameter or member 'size' not described in 'myrs_report_progress'
 drivers/scsi/myrs.c:160: warning: Function parameter or member 'cs' not described in 'myrs_get_ctlr_info'
 drivers/scsi/myrs.c:222: warning: Function parameter or member 'cs' not described in 'myrs_get_ldev_info'
 drivers/scsi/myrs.c:222: warning: Function parameter or member 'ldev_num' not described in 'myrs_get_ldev_info'
 drivers/scsi/myrs.c:222: warning: Function parameter or member 'ldev_info' not described in 'myrs_get_ldev_info'
 drivers/scsi/myrs.c:310: warning: Function parameter or member 'cs' not described in 'myrs_get_pdev_info'
 drivers/scsi/myrs.c:310: warning: Function parameter or member 'channel' not described in 'myrs_get_pdev_info'
 drivers/scsi/myrs.c:310: warning: Function parameter or member 'target' not described in 'myrs_get_pdev_info'
 drivers/scsi/myrs.c:310: warning: Function parameter or member 'lun' not described in 'myrs_get_pdev_info'
 drivers/scsi/myrs.c:310: warning: Function parameter or member 'pdev_info' not described in 'myrs_get_pdev_info'
 drivers/scsi/myrs.c:353: warning: Function parameter or member 'cs' not described in 'myrs_dev_op'
 drivers/scsi/myrs.c:353: warning: Function parameter or member 'opcode' not described in 'myrs_dev_op'
 drivers/scsi/myrs.c:353: warning: Function parameter or member 'opdev' not described in 'myrs_dev_op'
 drivers/scsi/myrs.c:379: warning: Function parameter or member 'cs' not described in 'myrs_translate_pdev'
 drivers/scsi/myrs.c:379: warning: Function parameter or member 'channel' not described in 'myrs_translate_pdev'
 drivers/scsi/myrs.c:379: warning: Function parameter or member 'target' not described in 'myrs_translate_pdev'
 drivers/scsi/myrs.c:379: warning: Function parameter or member 'lun' not described in 'myrs_translate_pdev'
 drivers/scsi/myrs.c:379: warning: Function parameter or member 'devmap' not described in 'myrs_translate_pdev'
 drivers/scsi/myrs.c:422: warning: Function parameter or member 'cs' not described in 'myrs_get_event'
 drivers/scsi/myrs.c:422: warning: Function parameter or member 'event_num' not described in 'myrs_get_event'
 drivers/scsi/myrs.c:422: warning: Function parameter or member 'event_buf' not described in 'myrs_get_event'
 drivers/scsi/myrs.c:484: warning: Function parameter or member 'cs' not described in 'myrs_enable_mmio_mbox'
 drivers/scsi/myrs.c:484: warning: Function parameter or member 'enable_mbox_fn' not described in 'myrs_enable_mmio_mbox'
 drivers/scsi/myrs.c:584: warning: Function parameter or member 'cs' not described in 'myrs_get_config'
 drivers/scsi/myrs.c:688: warning: cannot understand function prototype: 'struct '
 drivers/scsi/myrs.c:1967: warning: Function parameter or member 'dev' not described in 'myrs_is_raid'
 drivers/scsi/myrs.c:1980: warning: Function parameter or member 'dev' not described in 'myrs_get_resync'
 drivers/scsi/myrs.c:2005: warning: Function parameter or member 'dev' not described in 'myrs_get_state'
 drivers/scsi/myrs.c:2343: warning: bad line:   the Error Status Register when the driver performs the BIOS handshaking.
 drivers/scsi/myrs.c:2344: warning: bad line:   It returns true for fatal errors and false otherwise.
 drivers/scsi/myrs.c:2349: warning: Function parameter or member 'cs' not described in 'myrs_err_status'
 drivers/scsi/myrs.c:2349: warning: Function parameter or member 'status' not described in 'myrs_err_status'
 drivers/scsi/myrs.c:2349: warning: Function parameter or member 'parm0' not described in 'myrs_err_status'
 drivers/scsi/myrs.c:2349: warning: Function parameter or member 'parm1' not described in 'myrs_err_status'

Link: https://lore.kernel.org/r/20200713080001.128044-16-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@kernel.org>
Cc: Linux GmbH <hare@suse.com>
Cc: "Leonard N. Zubkoff" <lnz@dandelion.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:26:59 -04:00
Lee Jones
f3bdc59f9b scsi: ipr: Fix struct packed-not-aligned issues
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/ipr.h:1687:1: warning: alignment 1 of ‘struct ipr_dump_location_entry’ is less than 4 [-Wpacked-not-aligned]
 1687 | }__attribute__((packed));
 | ^
 drivers/scsi/ipr.h:1711:1: warning: alignment 1 of ‘struct ipr_driver_dump’ is less than 4 [-Wpacked-not-aligned]
 1711 | }__attribute__((packed));
 | ^

Link: https://lore.kernel.org/r/20200713080001.128044-15-lee.jones@linaro.org
Cc: Brian King <brking@us.ibm.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:26:58 -04:00
Lee Jones
4dc833999e scsi: ipr: Remove a bunch of set but checked variables
Fixes the following W=1 kernel build warning(s):

In file included from  drivers/scsi/ipr.c:73:
 drivers/scsi/ipr.c: In function ‘ipr_mask_and_clear_interrupts’:
 drivers/scsi/ipr.c:740:15: warning: variable ‘int_reg’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/ipr.c: In function ‘ipr_cancel_op’:
 drivers/scsi/ipr.c:5497:13: warning: variable ‘int_reg’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/ipr.c: In function ‘ipr_iopoll’:
 drivers/scsi/ipr.c:5765:22: warning: variable ‘ioa_cfg’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/ipr.c: In function ‘ipr_reset_restore_cfg_space’:
 drivers/scsi/ipr.c:8662:6: warning: variable ‘int_reg’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/ipr.c: In function ‘ipr_test_msi’:

Link: https://lore.kernel.org/r/20200713080001.128044-14-lee.jones@linaro.org
Cc: Brian King <brking@us.ibm.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:16 -04:00
Lee Jones
e31f2661ff scsi: virtio_scsi: Demote seemingly unintentional kerneldoc header
This is the only use of kerneldoc in the sourcefile and no descriptions are
provided.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/virtio_scsi.c:109: warning: Function parameter or member 'vscsi' not described in 'virtscsi_complete_cmd'
 drivers/scsi/virtio_scsi.c:109: warning: Function parameter or member 'buf' not described in 'virtscsi_complete_cmd'

Link: https://lore.kernel.org/r/20200713080001.128044-13-lee.jones@linaro.org
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:16 -04:00
Lee Jones
a96099e2c1 scsi: ipr: Fix a mountain of kerneldoc misdemeanours
Mainly misspellings and/or missing function parameter descriptions.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/ipr.c:10100:15: warning: variable ‘int_reg’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/ipr.c:679: warning: Function parameter or member 'fast_done' not described in 'ipr_init_ipr_cmnd'
 drivers/scsi/ipr.c:697: warning: Function parameter or member 'hrrq' not described in '__ipr_get_free_ipr_cmnd'
 drivers/scsi/ipr.c:697: warning: Excess function parameter 'ioa_cfg' description in '__ipr_get_free_ipr_cmnd'
 drivers/scsi/ipr.c:1297: warning: Function parameter or member 'buffer' not described in '__ipr_format_res_path'
 drivers/scsi/ipr.c:1297: warning: Excess function parameter 'buf' description in '__ipr_format_res_path'
 drivers/scsi/ipr.c:1321: warning: Function parameter or member 'buffer' not described in 'ipr_format_res_path'
 drivers/scsi/ipr.c:1321: warning: Excess function parameter 'buf' description in 'ipr_format_res_path'
 drivers/scsi/ipr.c:1400: warning: Excess function parameter 'cfgtew' description in 'ipr_clear_res_target'
 drivers/scsi/ipr.c:2679: warning: Function parameter or member 't' not described in 'ipr_timeout'
 drivers/scsi/ipr.c:2679: warning: Excess function parameter 'ipr_cmd' description in 'ipr_timeout'
 drivers/scsi/ipr.c:2712: warning: Function parameter or member 't' not described in 'ipr_oper_timeout'
 drivers/scsi/ipr.c:2712: warning: Excess function parameter 'ipr_cmd' description in 'ipr_oper_timeout'
 drivers/scsi/ipr.c:3494: warning: Function parameter or member 'attr' not described in 'ipr_show_fw_version'
 drivers/scsi/ipr.c:3528: warning: Function parameter or member 'attr' not described in 'ipr_show_log_level'
 drivers/scsi/ipr.c:3551: warning: Function parameter or member 'attr' not described in 'ipr_store_log_level'
 drivers/scsi/ipr.c:3551: warning: Function parameter or member 'count' not described in 'ipr_store_log_level'
 drivers/scsi/ipr.c:3586: warning: Function parameter or member 'attr' not described in 'ipr_store_diagnostics'
 drivers/scsi/ipr.c:3642: warning: Function parameter or member 'dev' not described in 'ipr_show_adapter_state'
 drivers/scsi/ipr.c:3642: warning: Function parameter or member 'attr' not described in 'ipr_show_adapter_state'
 drivers/scsi/ipr.c:3642: warning: Excess function parameter 'class_dev' description in 'ipr_show_adapter_state'
 drivers/scsi/ipr.c:3671: warning: Function parameter or member 'attr' not described in 'ipr_store_adapter_state'
 drivers/scsi/ipr.c:3722: warning: Function parameter or member 'attr' not described in 'ipr_store_reset_adapter'
 drivers/scsi/ipr.c:3783: warning: Function parameter or member 'attr' not described in 'ipr_store_iopoll_weight'
 drivers/scsi/ipr.c:3783: warning: Function parameter or member 'count' not described in 'ipr_store_iopoll_weight'
 drivers/scsi/ipr.c:3883: warning: Function parameter or member 'sglist' not described in 'ipr_free_ucode_buffer'
 drivers/scsi/ipr.c:3883: warning: Excess function parameter 'p_dnld' description in 'ipr_free_ucode_buffer'
 drivers/scsi/ipr.c:4074: warning: Function parameter or member 'dev' not described in 'ipr_store_update_fw'
 drivers/scsi/ipr.c:4074: warning: Function parameter or member 'attr' not described in 'ipr_store_update_fw'
 drivers/scsi/ipr.c:4074: warning: Excess function parameter 'class_dev' description in 'ipr_store_update_fw'
 drivers/scsi/ipr.c:4149: warning: Function parameter or member 'attr' not described in 'ipr_show_fw_type'
 drivers/scsi/ipr.c:4489: warning: Excess function parameter 'reason' description in 'ipr_change_queue_depth'
 drivers/scsi/ipr.c:4660: warning: Function parameter or member 'attr' not described in 'ipr_show_raw_mode'
 drivers/scsi/ipr.c:4688: warning: Function parameter or member 'attr' not described in 'ipr_store_raw_mode'
 drivers/scsi/ipr.c:4688: warning: Function parameter or member 'count' not described in 'ipr_store_raw_mode'
 drivers/scsi/ipr.c:5069: warning: Function parameter or member 'ipr_cmd' not described in 'ipr_cmnd_is_free'
 drivers/scsi/ipr.c:5108: warning: Function parameter or member 'ioa_cfg' not described in 'ipr_wait_for_ops'
 drivers/scsi/ipr.c:5108: warning: Excess function parameter 'ipr_cmd' description in 'ipr_wait_for_ops'
 drivers/scsi/ipr.c:5272: warning: Function parameter or member 'deadline' not described in 'ipr_sata_reset'
 drivers/scsi/ipr.c:5453: warning: Function parameter or member 't' not described in 'ipr_abort_timeout'
 drivers/scsi/ipr.c:5453: warning: Excess function parameter 'ipr_cmd' description in 'ipr_abort_timeout'
 drivers/scsi/ipr.c:5578: warning: Function parameter or member 'shost' not described in 'ipr_scan_finished'
 drivers/scsi/ipr.c:5578: warning: Function parameter or member 'elapsed_time' not described in 'ipr_scan_finished'
 drivers/scsi/ipr.c:5578: warning: Excess function parameter 'scsi_cmd' description in 'ipr_scan_finished'
 drivers/scsi/ipr.c:5704: warning: Function parameter or member 'number' not described in 'ipr_isr_eh'
 drivers/scsi/ipr.c:6278: warning: Function parameter or member 'ipr_cmd' not described in 'ipr_gen_sense'
 drivers/scsi/ipr.c:6278: warning: Excess function parameter 'ioasa' description in 'ipr_gen_sense'
 drivers/scsi/ipr.c:6278: warning: Excess function parameter 'sense_buf' description in 'ipr_gen_sense'
 drivers/scsi/ipr.c:6711: warning: Function parameter or member 'host' not described in 'ipr_ioa_info'
 drivers/scsi/ipr.c:6711: warning: Excess function parameter 'scsi_host' description in 'ipr_ioa_info'
 drivers/scsi/ipr.c:7606: warning: Function parameter or member 'res_handle' not described in 'ipr_build_mode_sense'
 drivers/scsi/ipr.c:7606: warning: Excess function parameter 'res' description in 'ipr_build_mode_sense'
 drivers/scsi/ipr.c:7947: warning: Function parameter or member 'ipr_cmd' not described in 'ipr_ioafp_set_caching_parameters'
 drivers/scsi/ipr.c:7986: warning: Function parameter or member 'flags' not described in 'ipr_ioafp_inquiry'
 drivers/scsi/ipr.c:7986: warning: Function parameter or member 'page' not described in 'ipr_ioafp_inquiry'
 drivers/scsi/ipr.c:7986: warning: Function parameter or member 'dma_addr' not described in 'ipr_ioafp_inquiry'
 drivers/scsi/ipr.c:7986: warning: Function parameter or member 'xfer_len' not described in 'ipr_ioafp_inquiry'
 drivers/scsi/ipr.c:8280: warning: Function parameter or member 't' not described in 'ipr_reset_timer_done'
 drivers/scsi/ipr.c:8280: warning: Excess function parameter 'ipr_cmd' description in 'ipr_reset_timer_done'
 drivers/scsi/ipr.c:9486: warning: bad line:
 drivers/scsi/ipr.c:9609: warning: Function parameter or member 'ioa_cfg' not described in 'ipr_free_all_resources'
 drivers/scsi/ipr.c:9609: warning: Excess function parameter 'ipr_cmd' description in 'ipr_free_all_resources'
 drivers/scsi/ipr.c:10071: warning: Function parameter or member 'irq' not described in 'ipr_test_intr'
 drivers/scsi/ipr.c:10071: warning: Function parameter or member 'devp' not described in 'ipr_test_intr'
 drivers/scsi/ipr.c:10071: warning: Excess function parameter 'pdev' description in 'ipr_test_intr'
 drivers/scsi/ipr.c:10098: warning: Function parameter or member 'ioa_cfg' not described in 'ipr_test_msi'
 drivers/scsi/ipr.c:10538: warning: Function parameter or member 'pdev' not described in 'ipr_probe'
 drivers/scsi/ipr.c:10538: warning: Function parameter or member 'dev_id' not described in 'ipr_probe'
 drivers/scsi/ipr.c:10794: warning: Function parameter or member 'ipr_cmd' not described in 'ipr_halt_done'
 drivers/scsi/ipr.c:10805: warning: Function parameter or member 'nb' not described in 'ipr_halt'
 drivers/scsi/ipr.c:10805: warning: Function parameter or member 'event' not described in 'ipr_halt'
 drivers/scsi/ipr.c:10805: warning: Function parameter or member 'buf' not described in 'ipr_halt'

Link: https://lore.kernel.org/r/20200713080001.128044-12-lee.jones@linaro.org
Cc: Brian King <brking@us.ibm.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:15 -04:00
Lee Jones
e1c3e0f8a2 scsi: pm8001: Provide descriptions for the many undocumented 'attr's
... even if they are completely unused.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/pm8001/pm8001_ctl.c:56: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_mpi_interface_rev_show'
 drivers/scsi/pm8001/pm8001_ctl.c:81: warning: Function parameter or member 'attr' not described in 'controller_fatal_error_show'
 drivers/scsi/pm8001/pm8001_ctl.c💯 warning: Function parameter or member 'attr' not described in 'pm8001_ctl_fw_version_show'
 drivers/scsi/pm8001/pm8001_ctl.c:130: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_ila_version_show'
 drivers/scsi/pm8001/pm8001_ctl.c:155: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_inactive_fw_version_show'
 drivers/scsi/pm8001/pm8001_ctl.c:181: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_max_out_io_show'
 drivers/scsi/pm8001/pm8001_ctl.c:204: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_max_devices_show'
 drivers/scsi/pm8001/pm8001_ctl.c:230: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_max_sg_list_show'
 drivers/scsi/pm8001/pm8001_ctl.c:274: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_sas_spec_support_show'
 drivers/scsi/pm8001/pm8001_ctl.c:303: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_host_sas_address_show'
 drivers/scsi/pm8001/pm8001_ctl.c:322: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_logging_level_show'
 drivers/scsi/pm8001/pm8001_ctl.c:355: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_aap_log_show'
 drivers/scsi/pm8001/pm8001_ctl.c:390: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_ib_queue_log_show'
 drivers/scsi/pm8001/pm8001_ctl.c:423: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_ob_queue_log_show'
 drivers/scsi/pm8001/pm8001_ctl.c:454: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_bios_version_show'
 drivers/scsi/pm8001/pm8001_ctl.c:492: warning: Function parameter or member 'attr' not described in 'event_log_size_show'
 drivers/scsi/pm8001/pm8001_ctl.c:510: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_iop_log_show'
 drivers/scsi/pm8001/pm8001_ctl.c:548: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_fatal_log_show'
 drivers/scsi/pm8001/pm8001_ctl.c:566: warning: Function parameter or member 'attr' not described in 'non_fatal_log_show'
 drivers/scsi/pm8001/pm8001_ctl.c:609: warning: Function parameter or member 'attr' not described in 'pm8001_ctl_gsm_log_show'

Link: https://lore.kernel.org/r/20200713080001.128044-11-lee.jones@linaro.org
Cc: Jack Wang <jinpu.wang@cloud.ionos.com>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:14 -04:00
Lee Jones
ae272a9513 scsi: aacraid: Fill in the very parameter descriptions for rx_sync_cmd()
... and document aac_rx_ioremap() 'dev' param.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/rx.c:156: warning: Function parameter or member 'p2' not described in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:156: warning: Function parameter or member 'p3' not described in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:156: warning: Function parameter or member 'p4' not described in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:156: warning: Function parameter or member 'p5' not described in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:156: warning: Function parameter or member 'p6' not described in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:156: warning: Function parameter or member 'status' not described in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:156: warning: Function parameter or member 'r1' not described in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:156: warning: Function parameter or member 'r2' not described in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:156: warning: Function parameter or member 'r3' not described in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:156: warning: Function parameter or member 'r4' not described in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:156: warning: Excess function parameter 'ret' description in 'rx_sync_cmd'
 drivers/scsi/aacraid/rx.c:450: warning: Function parameter or member 'dev' not described in 'aac_rx_ioremap'

Link: https://lore.kernel.org/r/20200713080001.128044-10-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:14 -04:00
Lee Jones
d2e5105050 scsi: aic94xx: Fix a couple of formatting and bitrot issues
Kerneldoc format should be '@.*: ', else the checker gets confused.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic94xx/aic94xx_scb.c:137: warning: Function parameter or member 'phy' not described in 'asd_get_attached_sas_addr'
 drivers/scsi/aic94xx/aic94xx_scb.c:137: warning: Function parameter or member 'sas_addr' not described in 'asd_get_attached_sas_addr'
 drivers/scsi/aic94xx/aic94xx_scb.c:860: warning: Function parameter or member 't' not described in 'asd_ascb_timedout'
 drivers/scsi/aic94xx/aic94xx_scb.c:860: warning: Excess function parameter 'data' description in 'asd_ascb_timedout'

Link: https://lore.kernel.org/r/20200713080001.128044-9-lee.jones@linaro.org
Cc: Luben Tuikov <luben_tuikov@adaptec.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:13 -04:00
Lee Jones
f1134f0eb1 scsi: aacraid: Fix a bunch of function header issues
Some parameters not documented.  Others misspelled.

Also, functions must follow directly after the header that documents them.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/commsup.c:223: warning: Function parameter or member 'scmd' not described in 'aac_fib_alloc_tag'
 drivers/scsi/aacraid/commsup.c:421: warning: Function parameter or member 'qid' not described in 'aac_queue_get'
 drivers/scsi/aacraid/commsup.c:421: warning: Function parameter or member 'hw_fib' not described in 'aac_queue_get'
 drivers/scsi/aacraid/commsup.c:421: warning: Excess function parameter 'priority' description in 'aac_queue_get'
 drivers/scsi/aacraid/commsup.c:421: warning: Excess function parameter 'fib' description in 'aac_queue_get'
 drivers/scsi/aacraid/commsup.c:943: warning: Function parameter or member 'fibptr' not described in 'aac_fib_complete'
 drivers/scsi/aacraid/commsup.c:943: warning: Excess function parameter 'fib' description in 'aac_fib_complete'
 drivers/scsi/aacraid/commsup.c:1061: warning: Excess function parameter 'dev' description in 'AIF_SNIFF_TIMEOUT'
 drivers/scsi/aacraid/commsup.c:1061: warning: Excess function parameter 'fibptr' description in 'AIF_SNIFF_TIMEOUT'
 drivers/scsi/aacraid/commsup.c:2428: warning: Function parameter or member 'data' not described in 'aac_command_thread'
 drivers/scsi/aacraid/commsup.c:2428: warning: Excess function parameter 'dev' description in 'aac_command_thread'

Link: https://lore.kernel.org/r/20200713080001.128044-8-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:13 -04:00
Lee Jones
966fdadf6f scsi: aic94xx: Document 'lseq' and repair asd_update_port_links() header
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic94xx/aic94xx_seq.c:587: warning: Function parameter or member 'lseq' not described in 'asd_init_lseq_mip'
 drivers/scsi/aic94xx/aic94xx_seq.c:674: warning: Function parameter or member 'lseq' not described in 'asd_init_lseq_mdp'
 drivers/scsi/aic94xx/aic94xx_seq.c:958: warning: Function parameter or member 'lseq' not described in 'asd_init_lseq_cio'
 drivers/scsi/aic94xx/aic94xx_seq.c:1364: warning: Function parameter or member 'asd_ha' not described in 'asd_update_port_links'
 drivers/scsi/aic94xx/aic94xx_seq.c:1364: warning: Function parameter or member 'phy' not described in 'asd_update_port_links'
 drivers/scsi/aic94xx/aic94xx_seq.c:1364: warning: Excess function parameter 'sas_phy' description in 'asd_update_port_links'

Link: https://lore.kernel.org/r/20200713080001.128044-7-lee.jones@linaro.org
Cc: Luben Tuikov <luben_tuikov@adaptec.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:12 -04:00
Lee Jones
71aa4d3e0e scsi: aacraid: Demote partially documented function header
This should be populated by someone who knows the meaning of all the
params.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/dpcsup.c:272: warning: Function parameter or member 'isAif' not described in 'aac_intr_normal'
 drivers/scsi/aacraid/dpcsup.c:272: warning: Function parameter or member 'isFastResponse' not described in 'aac_intr_normal'
 drivers/scsi/aacraid/dpcsup.c:272: warning: Function parameter or member 'aif_fib' not described in 'aac_intr_normal'

Link: https://lore.kernel.org/r/20200713080001.128044-6-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:10 -04:00
Lee Jones
0123c7c62d scsi: aacraid: Remove unused variable 'status'
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/dpcsup.c: In function ‘aac_aif_callback’:
 drivers/scsi/aacraid/dpcsup.c:232:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable]
 232 | int status;
 | ^~~~~~

Link: https://lore.kernel.org/r/20200713080001.128044-5-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:08 -04:00
Lee Jones
2fee77e5b8 scsi: aacraid: Fix logical bug when !DBG
When DBG is not enabled FIB_COUNTER_INCREMENT() results in an empty
statement, leaving the contents of if() and else() empty.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/dpcsup.c: In function ‘aac_response_normal’:
 drivers/scsi/aacraid/dpcsup.c:105:50: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body]
 105 | FIB_COUNTER_INCREMENT(aac_config.AsyncRecved);
 | ^
 drivers/scsi/aacraid/dpcsup.c: In function ‘aac_intr_normal’:
 drivers/scsi/aacraid/dpcsup.c:411:30: warning: suggest braces around empty body in an ‘else’ statement [-Wempty-body]
 411 | aac_config.AsyncRecved);
 | ^

Link: https://lore.kernel.org/r/20200713080001.128044-4-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:25:04 -04:00
Lee Jones
cf93fffac2 scsi: aacraid: Fix a few kerneldoc issues
Functions must follow imediately after the header documenting them and all
parameters must be present.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/commctrl.c:43: warning: Excess function parameter 'dev' description in 'AAC_DEBUG_PREAMBLE'
 drivers/scsi/aacraid/commctrl.c:43: warning: Excess function parameter 'arg' description in 'AAC_DEBUG_PREAMBLE'
 drivers/scsi/aacraid/commctrl.c:167: warning: Function parameter or member 'dev' not described in 'open_getadapter_fib'
 drivers/scsi/aacraid/commctrl.c:167: warning: Function parameter or member 'arg' not described in 'open_getadapter_fib'
 drivers/scsi/aacraid/commctrl.c:458: warning: Cannot understand  *
 on line 458 - I thought it was a doc line

Link: https://lore.kernel.org/r/20200713080001.128044-3-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:24:58 -04:00
Lee Jones
b115958d91 scsi: aacraid: Repair two kerneldoc headers
The function headers for aac_get_config_status() and aac_get_containers()
have suffered bitrot where the documentation hasn't kept up with the API.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/aachba.c:358: warning: Function parameter or member 'dev' not described in 'aac_get_config_status'
 drivers/scsi/aacraid/aachba.c:358: warning: Function parameter or member 'commit_flag' not described in 'aac_get_config_status'
 drivers/scsi/aacraid/aachba.c:358: warning: Excess function parameter 'common' description in 'aac_get_config_status'
 drivers/scsi/aacraid/aachba.c:450: warning: Function parameter or member 'dev' not described in 'aac_get_containers'
 drivers/scsi/aacraid/aachba.c:450: warning: Excess function parameter 'common' description in 'aac_get_containers'

Link: https://lore.kernel.org/r/20200713080001.128044-2-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 17:24:57 -04:00
Niklas Cassel
659bf827ba block: add max_active_zones to blk-sysfs
Add a new max_active zones definition in the sysfs documentation.
This definition will be common for all devices utilizing the zoned block
device support in the kernel.

Export max_active_zones according to this new definition for NVMe Zoned
Namespace devices, ZAC ATA devices (which are treated as SCSI devices by
the kernel), and ZBC SCSI devices.

Add the new max_active_zones member to struct request_queue, rather
than as a queue limit, since this property cannot be split across stacking
drivers.

For SCSI devices, even though max active zones is not part of the ZBC/ZAC
spec, export max_active_zones as 0, signifying "no limit".

Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Javier González <javier@javigon.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-07-15 14:26:11 -06:00
Niklas Cassel
e15864f8ea block: add max_open_zones to blk-sysfs
Add a new max_open_zones definition in the sysfs documentation.
This definition will be common for all devices utilizing the zoned block
device support in the kernel.

Export max open zones according to this new definition for NVMe Zoned
Namespace devices, ZAC ATA devices (which are treated as SCSI devices by
the kernel), and ZBC SCSI devices.

Add the new max_open_zones member to struct request_queue, rather
than as a queue limit, since this property cannot be split across stacking
drivers.

Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Javier González <javier@javigon.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-07-15 14:26:11 -06:00
Chandrakanth Patil
07d3f04550 scsi: megaraid_sas: Remove undefined ENABLE_IRQ_POLL macro
As the ENABLE_IRQ_POLL macro is undefined, the check for ENABLE_IRQ_POLL
macro in ISR will always be false. This leads to irq polling being
non-functional.

Remove ENABLE_IRQ_POLL check from ISR.

Link: https://lore.kernel.org/r/20200715120153.20512-1-chandrakanth.patil@broadcom.com
Fixes: a6ffd5bf68 ("scsi: megaraid_sas: Call disable_irq from process IRQ")
Cc: <stable@vger.kernel.org> # v5.3+
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:16:45 -04:00
Shyam Sundar
58101f1504 scsi: qla2xxx: Address a set of sparse warnings
Fix the following sparse warnings:

drivers/scsi/qla2xxx/qla_isr.c:881:23: warning: restricted __le16 degrades to integer
drivers/scsi/qla2xxx/qla_isr.c:881:23: warning: cast to restricted __le16

Link: https://lore.kernel.org/r/20200715043358.21668-1-njavali@marvell.com
Signed-off-by: Shyam Sundar <ssundar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:12:24 -04:00
YueHaibing
ca0800a68a scsi: sd_zbc: Remove unused inline functions
These are no longer used and can be removed.

Link: https://lore.kernel.org/r/20200715025523.34620-1-yuehaibing@huawei.com
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:10:42 -04:00
James Smart
1f54682314 scsi: lpfc: NVMe remote port devloss_tmo from lldd
nvme-fc allows the driver to specify a default devloss_tmo value when
registering the remote port. The lpfc driver is currently not doing so,
although it is implementing a driver internal node loss value of 30s which
also is used on the SCSI FC remote port. As no devloss_tmo is set, the
nvme-fc transport defaults to 60s. So there are competing timers.

Additionally, due to the competing timers, it is possible the NVMe rport is
removed but the SCSI rport remains. It is possible that the SCSI FC rport,
which was registered for the NVMe port even if it doesn't utilize the SCSI
protocol, had been tuned to not match either the 60s (nvme-fc default) or
30s (lldd default), it gets out of whack. The lldd will defer to the SCSI
FC rport as long as the SCSI FC rport has not had its devloss_tmo expire.

Correct the situation by specifying a default devloss_tmo to the nvme-fc
transport when registering the rport.  Take the value from the SCSI FC
rport if it exists, otherwise use the driver default.

Link: https://lore.kernel.org/r/20200714211412.11773-1-jsmart2021@gmail.com
Tested-by: Martin George <Martin.George@netapp.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:10:00 -04:00
Varun Prakash
ba8ca09708 scsi: cxgb4i: Remove an unnecessary NULL check for 'cconn' pointer
'cconn' will never be NULL in cxgbi_conn_alloc_pdu() so remove NULL check.

Link: https://lore.kernel.org/r/1594741751-3323-1-git-send-email-varun@chelsio.com
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:06:41 -04:00
Anton Blanchard
bc2736e98e scsi: lpfc: Quieten some printks
On a big box the lpfc driver emits a few thousand "Set Affinity" lines to
the console. Reduce the priority of these from KERN_ERR to KERN_INFO, and
also fix a few printks that had no log level.

Link: https://lore.kernel.org/r/20200713083908.1104927-1-anton@ozlabs.org
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Anton Blanchard <anton@ozlabs.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:05:20 -04:00
Lee Jones
7ec772d0c3 scsi: qla4xxx: Provide a missing function param description and fix formatting
Kerneldoc function parameter references need to be in the format '@.*: ',
else the kerneldoc checker gets confused.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_init.c: In function ‘ql4xxx_set_mac_number’:
 drivers/scsi/qla4xxx/ql4_init.c:17:10: warning: variable ‘func_number’ set but not used [-Wunused-but-set-variable]
 drivers/scsi/qla4xxx/ql4_init.c: In function ‘qla4xxx_pci_config’:
 drivers/scsi/qla4xxx/ql4_init.c:664:6: warning: variable ‘status’ set but not used [-Wunused-but-set-variable]
from  drivers/scsi/qla4xxx/ql4_init.c:9:
from  drivers/scsi/qla4xxx/ql4_init.c:9:
 drivers/scsi/qla4xxx/ql4_init.c:953: warning: Function parameter or member 'is_reset' not described in 'qla4xxx_initialize_adapter'
 drivers/scsi/qla4xxx/ql4_init.c:1168: warning: Function parameter or member 'ha' not described in 'qla4xxx_process_ddb_changed'
 drivers/scsi/qla4xxx/ql4_init.c:1168: warning: Function parameter or member 'fw_ddb_index' not described in 'qla4xxx_process_ddb_changed'
 drivers/scsi/qla4xxx/ql4_init.c:1168: warning: Function parameter or member 'state' not described in 'qla4xxx_process_ddb_changed'
 drivers/scsi/qla4xxx/ql4_init.c:1168: warning: Function parameter or member 'conn_err' not described in 'qla4xxx_process_ddb_changed'

Link: https://lore.kernel.org/r/20200713074645.126138-30-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:59 -04:00
Lee Jones
e7eb414c65 scsi: aacraid: Fix a bunch of function doc formatting errors
And a few missing/excessive parameter descriptions.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/aachba.c:358: warning: Function parameter or member 'dev' not described in 'aac_get_config_status'
 drivers/scsi/aacraid/aachba.c:358: warning: Function parameter or member 'commit_flag' not described in 'aac_get_config_status'
 drivers/scsi/aacraid/aachba.c:358: warning: Excess function parameter 'common' description in 'aac_get_config_status'
 drivers/scsi/aacraid/aachba.c:450: warning: Function parameter or member 'dev' not described in 'aac_get_containers'
 drivers/scsi/aacraid/aachba.c:450: warning: Excess function parameter 'common' description in 'aac_get_containers'
 drivers/scsi/aacraid/aachba.c:568: warning: Function parameter or member 'scsicmd' not described in 'aac_get_container_name'
 drivers/scsi/aacraid/aachba.c:796: warning: Function parameter or member 'scsicmd' not described in 'aac_probe_container_callback1'
 drivers/scsi/aacraid/aachba.c:796: warning: Excess function parameter 'dev' description in 'aac_probe_container_callback1'
 drivers/scsi/aacraid/aachba.c:796: warning: Excess function parameter 'cid' description in 'aac_probe_container_callback1'
 drivers/scsi/aacraid/aachba.c:1105: warning: Function parameter or member 'scsicmd' not described in 'aac_get_container_serial'
 drivers/scsi/aacraid/aachba.c:1961: warning: Excess function parameter 'phys_luns' description in 'aac_set_safw_attr_all_targets'
 drivers/scsi/aacraid/aachba.c:1961: warning: Excess function parameter 'rescan' description in 'aac_set_safw_attr_all_targets'
 drivers/scsi/aacraid/aachba.c:3394: warning: Cannot understand  *
 on line 3394 - I thought it was a doc line
 drivers/scsi/aacraid/aachba.c:3687: warning: Cannot understand  *
 on line 3687 - I thought it was a doc line
 drivers/scsi/aacraid/aachba.c:3752: warning: Cannot understand  *
 on line 3752 - I thought it was a doc line
 drivers/scsi/aacraid/aachba.c:3795: warning: Cannot understand  *
 on line 3795 - I thought it was a doc line

Link: https://lore.kernel.org/r/20200713074645.126138-29-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:59 -04:00
Lee Jones
bb458974e0 scsi: aic94xx: Repair kerneldoc formatting error and remove extra param
Function parameters need to be documented with format '@.*: '.

'to' is not longer asd_start_timers()'s function parameter.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic94xx/aic94xx_hwi.c:589: warning: Function parameter or member 'asd_ha' not described in 'asd_init_ctxmem'
 drivers/scsi/aic94xx/aic94xx_hwi.c:1157: warning: Excess function parameter 'to' description in 'asd_start_scb_timers'

Link: https://lore.kernel.org/r/20200713074645.126138-28-lee.jones@linaro.org
Cc: Luben Tuikov <luben_tuikov@adaptec.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:59 -04:00
Lee Jones
e802fc43ba scsi: pm8001: Demote obvious misuse of kerneldoc and update others
More bitrot issues with function documentation not keeping up with API changes.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/pm8001/pm8001_init.c:64: warning: cannot understand function prototype: 'const struct pm8001_chip_info pm8001_chips[] = '
 drivers/scsi/pm8001/pm8001_init.c:86: warning: cannot understand function prototype: 'struct scsi_host_template pm8001_sht = '
 drivers/scsi/pm8001/pm8001_init.c:115: warning: cannot understand function prototype: 'struct sas_domain_function_template pm8001_transport_ops = '
 drivers/scsi/pm8001/pm8001_init.c:212: warning: Function parameter or member 'irq' not described in 'pm8001_interrupt_handler_msix'
 drivers/scsi/pm8001/pm8001_init.c:237: warning: Function parameter or member 'irq' not described in 'pm8001_interrupt_handler_intx'
 drivers/scsi/pm8001/pm8001_init.c:265: warning: Function parameter or member 'ent' not described in 'pm8001_alloc'
 drivers/scsi/pm8001/pm8001_init.c:624: warning: Function parameter or member 'pm8001_ha' not described in 'pm8001_init_sas_add'
 drivers/scsi/pm8001/pm8001_init.c:624: warning: Excess function parameter 'chip_info' description in 'pm8001_init_sas_add'
 drivers/scsi/pm8001/pm8001_init.c:900: warning: Function parameter or member 'pm8001_ha' not described in 'pm8001_setup_msix'
 drivers/scsi/pm8001/pm8001_init.c:900: warning: Excess function parameter 'chip_info' description in 'pm8001_setup_msix'
 drivers/scsi/pm8001/pm8001_init.c:900: warning: Excess function parameter 'irq_handler' description in 'pm8001_setup_msix'
 drivers/scsi/pm8001/pm8001_init.c:981: warning: Function parameter or member 'pm8001_ha' not described in 'pm8001_request_irq'
 drivers/scsi/pm8001/pm8001_init.c:981: warning: Excess function parameter 'chip_info' description in 'pm8001_request_irq'

Link: https://lore.kernel.org/r/20200713074645.126138-27-lee.jones@linaro.org
Cc: Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>
Cc: Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>
Cc: Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:59 -04:00
Lee Jones
2862a3a26c scsi: aic94xx: Demote seemingly unintentional kerneldoc header
This is the only use of kerneldoc in the sourcefile and no
descriptions are provided.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic94xx/aic94xx_init.c:538: warning: Function parameter or member 'asd_ha' not described in 'asd_free_edbs'

Link: https://lore.kernel.org/r/20200713074645.126138-26-lee.jones@linaro.org
Cc: YueHaibing <yuehaibing@huawei.com>
Cc: Luben Tuikov <luben_tuikov@adaptec.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:59 -04:00
Lee Jones
00a72e8cd2 scsi: aacraid: Fix a couple of small kerneldoc issues
Most likely caused by bitrot (docs not keeping in sync with API).

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/linit.c: In function ‘aac_biosparm’:
 drivers/scsi/aacraid/linit.c:368:41: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
 drivers/scsi/aacraid/linit.c:243: warning: Function parameter or member 'shost' not described in 'aac_queuecommand'
 drivers/scsi/aacraid/linit.c:243: warning: Excess function parameter 'done' description in 'aac_queuecommand'
 drivers/scsi/aacraid/linit.c:1176: warning: Excess function parameter 'inode' description in 'aac_cfg_ioctl'

Link: https://lore.kernel.org/r/20200713074645.126138-25-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:58 -04:00
Lee Jones
8558d5a4f3 scsi: aacraid: Provide suggested curly braces around empty body of if()
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/linit.c: In function ‘aac_biosparm’:
 drivers/scsi/aacraid/linit.c:368:41: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
 368 | param->heads, param->sectors, num));
 | ^

Link: https://lore.kernel.org/r/20200713074645.126138-24-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:58 -04:00
Lee Jones
ce7e0a84e5 scsi: qedf: Demote obvious misuse of kerneldoc to standard comment blocks
No attempt has been made to document any of the demoted functions here.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qedf/qedf_debugfs.c:25: warning: Function parameter or member 'qedf' not described in 'qedf_dbg_host_init'
 drivers/scsi/qedf/qedf_debugfs.c:25: warning: Function parameter or member 'dops' not described in 'qedf_dbg_host_init'
 drivers/scsi/qedf/qedf_debugfs.c:25: warning: Function parameter or member 'fops' not described in 'qedf_dbg_host_init'
 drivers/scsi/qedf/qedf_debugfs.c:25: warning: Excess function parameter 'pf' description in 'qedf_dbg_host_init'
 drivers/scsi/qedf/qedf_debugfs.c:51: warning: Function parameter or member 'qedf_dbg' not described in 'qedf_dbg_host_exit'
 drivers/scsi/qedf/qedf_debugfs.c:51: warning: Excess function parameter 'pf' description in 'qedf_dbg_host_exit'
 drivers/scsi/qedf/qedf_debugfs.c:64: warning: Function parameter or member 'drv_name' not described in 'qedf_dbg_init'

Link: https://lore.kernel.org/r/20200713074645.126138-23-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@cavium.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:58 -04:00
Lee Jones
aa89d74e04 scsi: aic7xxx: Fix 'amount_xferred' set but not used issue
'amount_xferred' is used, but only in certain circumstances.  Place the
same stipulations on the defining/allocating of 'amount_xferred' as is
placed when using it.

We've been careful not to change any of the ordering semantics here.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic7xxx/aic7xxx_osm.c: In function ‘ahc_done’:
 drivers/scsi/aic7xxx/aic7xxx_osm.c:1725:12: warning: variable ‘amount_xferred’ set but not used [-Wunused-but-set-variable]
 1725 | uint32_t amount_xferred;
 | ^~~~~~~~~~~~~~

Link: https://lore.kernel.org/r/20200713074645.126138-22-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.com>
Cc: "Daniel M. Eischen" <deischen@iworks.InterWorks.org>
Cc: Doug Ledford <dledford@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:58 -04:00
Lee Jones
7097a51744 scsi: aic7xxx: Remove unused variable 'targ'
Looks like checking the 'targ' was removed in 2005.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic7xxx/aic7xxx_osm.c: In function ‘ahc_send_async’:
 drivers/scsi/aic7xxx/aic7xxx_osm.c:1604:28: warning: variable ‘targ’ set but not used [-Wunused-but-set-variable]
 1604 | struct ahc_linux_target *targ;
 | ^~~~

Link: https://lore.kernel.org/r/20200713074645.126138-21-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.com>
Cc: "Daniel M. Eischen" <deischen@iworks.InterWorks.org>
Cc: Doug Ledford <dledford@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:58 -04:00
Lee Jones
614fc2f988 scsi: aic7xxx: Remove unused variable 'ahc'
Looks as though 'ahc' hasn't been used since 2005.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic7xxx/aic7xxx_osm.c: In function ‘ahc_linux_slave_configure’:
 drivers/scsi/aic7xxx/aic7xxx_osm.c:674:20: warning: variable ‘ahc’ set but not used [-Wunused-but-set-variable]
 674 | struct ahc_softc *ahc;
 | ^~~

Link: https://lore.kernel.org/r/20200713074645.126138-20-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.com>
Cc: "Daniel M. Eischen" <deischen@iworks.InterWorks.org>
Cc: Doug Ledford <dledford@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:58 -04:00
Lee Jones
e3f58eeedb scsi: aic7xxx: Remove unused variable 'tinfo'
Looks like none of the artifact from ahc_fetch_transinfo() are used anymore.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aic7xxx/aic7xxx_osm.c: In function ‘ahc_linux_target_alloc’:
 drivers/scsi/aic7xxx/aic7xxx_osm.c:567:30: warning: variable ‘tinfo’ set but not used [-Wunused-but-set-variable]
 567 | struct ahc_initiator_tinfo *tinfo;
 | ^~~~~

Link: https://lore.kernel.org/r/20200713074645.126138-19-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.com>
Cc: "Daniel M. Eischen" <deischen@iworks.InterWorks.org>
Cc: Doug Ledford <dledford@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:58 -04:00
Lee Jones
2bd92b3364 scsi: bnx2fc: Demote obvious misuse of kerneldoc to standard comment blocks
No attempt has been made to document either of the demoted functions here.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bnx2fc/bnx2fc_tgt.c:442: warning: Function parameter or member 'lport' not described in 'bnx2fc_rport_event_handler'
 drivers/scsi/bnx2fc/bnx2fc_tgt.c:442: warning: Function parameter or member 'rdata' not described in 'bnx2fc_rport_event_handler'
 drivers/scsi/bnx2fc/bnx2fc_tgt.c:442: warning: Function parameter or member 'event' not described in 'bnx2fc_rport_event_handler'
 drivers/scsi/bnx2fc/bnx2fc_tgt.c:665: warning: Function parameter or member 'hba' not described in 'bnx2fc_alloc_session_resc'
 drivers/scsi/bnx2fc/bnx2fc_tgt.c:665: warning: Function parameter or member 'tgt' not described in 'bnx2fc_alloc_session_resc'

Link: https://lore.kernel.org/r/20200713074645.126138-18-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Cc: Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:58 -04:00
Lee Jones
50efc51cb9 scsi: qedf: Remove a whole host of unused variables
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qedf/qedf_io.c: In function ‘qedf_cmd_timeout’:
 drivers/scsi/qedf/qedf_io.c:25:5: warning: variable ‘op’ set but not used [-Wunused-but-set-variable]
 25 | u8 op = 0;
 | ^~
 drivers/scsi/qedf/qedf_io.c: In function ‘qedf_map_sg’:
 drivers/scsi/qedf/qedf_io.c:490:12: warning: variable ‘end_addr’ set but not used [-Wunused-but-set-variable]
 490 | u64 addr, end_addr;
 | ^~~~~~~~
 drivers/scsi/qedf/qedf_io.c: In function ‘qedf_post_io_req’:
 drivers/scsi/qedf/qedf_io.c:863:22: warning: variable ‘req_type’ set but not used [-Wunused-but-set-variable]
 863 | enum fcoe_task_type req_type = 0;
 | ^~~~~~~~
 drivers/scsi/qedf/qedf_io.c: In function ‘qedf_scsi_completion’:
 drivers/scsi/qedf/qedf_io.c:1134:31: warning: variable ‘task_ctx’ set but not used [-Wunused-but-set-variable]
 1134 | struct e4_fcoe_task_context *task_ctx;
 | ^~~~~~~~
 drivers/scsi/qedf/qedf_io.c: In function ‘qedf_scsi_done’:
 drivers/scsi/qedf/qedf_io.c:1345:6: warning: variable ‘xid’ set but not used [-Wunused-but-set-variable]
 1345 | u16 xid;
 | ^~~
 drivers/scsi/qedf/qedf_io.c: In function ‘qedf_initiate_abts’:
 drivers/scsi/qedf/qedf_io.c:1866:6: warning: variable ‘r_a_tov’ set but not used [-Wunused-but-set-variable]
 1866 | u32 r_a_tov = 0;
 | ^~~~~~~
 drivers/scsi/qedf/qedf_io.c: In function ‘qedf_process_abts_compl’:
 drivers/scsi/qedf/qedf_io.c:1967:11: warning: variable ‘xid’ set but not used [-Wunused-but-set-variable]
 1967 | uint16_t xid;
 | ^~~
 drivers/scsi/qedf/qedf_io.c: In function ‘qedf_initiate_cleanup’:
 drivers/scsi/qedf/qedf_io.c:2163:31: warning: variable ‘task’ set but not used [-Wunused-but-set-variable]
 2163 | struct e4_fcoe_task_context *task;
 | ^~~~
 drivers/scsi/qedf/qedf_io.c: In function ‘qedf_process_unsol_compl’:
 drivers/scsi/qedf/qedf_io.c:2534:11: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable]
 2534 | uint16_t tmp;
 | ^~~

Link: https://lore.kernel.org/r/20200713074645.126138-17-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@cavium.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:58 -04:00
Lee Jones
18bc435e0a scsi: arcmsr: Remove some set but unused variables
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_remap_pciregion’:
 drivers/scsi/arcmsr/arcmsr_hba.c:286:30: warning: variable ‘flags’ set but not used [-Wunused-but-set-variable]
 286 | unsigned long addr, range, flags;
 | ^~~~~
 drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_suspend’:
 drivers/scsi/arcmsr/arcmsr_hba.c:1070:11: warning: variable ‘intmask_org’ set but not used [-Wunused-but-set-variable]
 1070 | uint32_t intmask_org;
 | ^~~~~~~~~~~
 drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_done4abort_postqueue’:
 drivers/scsi/arcmsr/arcmsr_hba.c:1410:29: warning: variable ‘cdb_phy_hipart’ set but not used [-Wunused-but-set-variable]
 1410 | unsigned long ccb_cdb_phy, cdb_phy_hipart;
 | ^~~~~~~~~~~~~~
 drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_hbaD_postqueue_isr’:
 drivers/scsi/arcmsr/arcmsr_hba.c:2448:36: warning: variable ‘cdb_phy_hipart’ set but not used [-Wunused-but-set-variable]
 2448 | unsigned long flags, ccb_cdb_phy, cdb_phy_hipart;
 | ^~~~~~~~~~~~~~
 drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_hbaD_polling_ccbdone’:
 drivers/scsi/arcmsr/arcmsr_hba.c:3498:36: warning: variable ‘cdb_phy_hipart’ set but not used [-Wunused-but-set-variable]
 3498 | unsigned long flags, ccb_cdb_phy, cdb_phy_hipart;
 | ^~~~~~~~~~~~~~

Link: https://lore.kernel.org/r/20200713074645.126138-15-lee.jones@linaro.org
Cc: support@areca.com.tw
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:58 -04:00
Lee Jones
4db2ac3e03 scsi: bnx2fc: Fix a couple of bitrotted function documentation headers
Likely a result of documentation not keeping up with API updates (a.k.a. bitrot).

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bnx2fc/bnx2fc_hwi.c:493: warning: Function parameter or member 'hba' not described in 'bnx2fc_send_session_destroy_req'
 drivers/scsi/bnx2fc/bnx2fc_hwi.c:493: warning: Excess function parameter 'port' description in 'bnx2fc_send_session_destroy_req'
 drivers/scsi/bnx2fc/bnx2fc_hwi.c:1345: warning: Function parameter or member 'context' not described in 'bnx2fc_indicate_kcqe'
 drivers/scsi/bnx2fc/bnx2fc_hwi.c:1345: warning: Function parameter or member 'kcq' not described in 'bnx2fc_indicate_kcqe'
 drivers/scsi/bnx2fc/bnx2fc_hwi.c:1345: warning: Excess function parameter 'hba' description in 'bnx2fc_indicate_kcqe'
 drivers/scsi/bnx2fc/bnx2fc_hwi.c:1345: warning: Excess function parameter 'kcqe' description in 'bnx2fc_indicate_kcqe'

Link: https://lore.kernel.org/r/20200713074645.126138-14-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Cc: Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:57 -04:00
Lee Jones
ebb40ab681 scsi: libfc: Provide missing and repair existing function documentation
Mostly due to descriptions not keeping up with API changes.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/libfc/fc_fcp.c:299: warning: Function parameter or member 'status_code' not described in 'fc_fcp_retry_cmd'
 drivers/scsi/libfc/fc_fcp.c:595: warning: Function parameter or member 'seq' not described in 'fc_fcp_send_data'
 drivers/scsi/libfc/fc_fcp.c:595: warning: Excess function parameter 'sp' description in 'fc_fcp_send_data'
 drivers/scsi/libfc/fc_fcp.c:1289: warning: Function parameter or member 't' not described in 'fc_lun_reset_send'
 drivers/scsi/libfc/fc_fcp.c:1289: warning: Excess function parameter 'data' description in 'fc_lun_reset_send'
 drivers/scsi/libfc/fc_fcp.c:1422: warning: Function parameter or member 't' not described in 'fc_fcp_timeout'
 drivers/scsi/libfc/fc_fcp.c:1422: warning: Excess function parameter 'data' description in 'fc_fcp_timeout'
 drivers/scsi/libfc/fc_fcp.c:1696: warning: Function parameter or member 'code' not described in 'fc_fcp_recovery'
 drivers/scsi/libfc/fc_fcp.c:1716: warning: Function parameter or member 'offset' not described in 'fc_fcp_srr'
 drivers/scsi/libfc/fc_fcp.c:1859: warning: Function parameter or member 'sc_cmd' not described in 'fc_queuecommand'
 drivers/scsi/libfc/fc_fcp.c:1859: warning: Excess function parameter 'cmd' description in 'fc_queuecommand'

Link: https://lore.kernel.org/r/20200713074645.126138-13-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:57 -04:00
Lee Jones
f636acae8d scsi: libfc: Fix a couple of misdocumented function parameters
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/libfc/fc_rport.c:129: warning: Function parameter or member 'port_id' not described in 'fc_rport_create'
 drivers/scsi/libfc/fc_rport.c:129: warning: Excess function parameter 'ids' description in 'fc_rport_create'
 drivers/scsi/libfc/fc_rport.c:1452: warning: Function parameter or member 'rdata_arg' not described in 'fc_rport_logo_resp'
 drivers/scsi/libfc/fc_rport.c:1452: warning: Excess function parameter 'lport_arg' description in 'fc_rport_logo_resp'

Link: https://lore.kernel.org/r/20200713074645.126138-12-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:57 -04:00
Lee Jones
9865a04d52 scsi: libfc: Repair function parameter documentation
Either misdocumentation and/or bitrot.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/libfc/fc_lport.c:412: warning: Function parameter or member 'in_fp' not described in 'fc_lport_recv_echo_req'
 drivers/scsi/libfc/fc_lport.c:412: warning: Excess function parameter 'fp' description in 'fc_lport_recv_echo_req'
 drivers/scsi/libfc/fc_lport.c:447: warning: Function parameter or member 'in_fp' not described in 'fc_lport_recv_rnid_req'
 drivers/scsi/libfc/fc_lport.c:447: warning: Excess function parameter 'fp' description in 'fc_lport_recv_rnid_req'
 drivers/scsi/libfc/fc_lport.c:1330: warning: Function parameter or member 'state' not described in 'fc_lport_enter_ns'
 drivers/scsi/libfc/fc_lport.c:1428: warning: Function parameter or member 'state' not described in 'fc_lport_enter_ms'
 drivers/scsi/libfc/fc_lport.c:1939: warning: Function parameter or member 'tov' not described in 'fc_lport_els_request'

Link: https://lore.kernel.org/r/20200713074645.126138-11-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:57 -04:00
Lee Jones
c6e2f4bd79 scsi: qedf: Remove set but not checked variable 'tmp'
Looks like the return value of readw() has never been checked.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qedf/qedf_main.c: In function ‘__qedf_probe’:
 drivers/scsi/qedf/qedf_main.c:3203:6: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200713074645.126138-10-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@cavium.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:57 -04:00
Lee Jones
a9d4aece22 scsi: qedf: Demote obvious misuse of kerneldoc to standard comment blocks
No attempt has been made to document either of the demoted functions here.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qedf/qedf_main.c:1027: warning: Function parameter or member 'lport' not described in 'qedf_xmit'
 drivers/scsi/qedf/qedf_main.c:1027: warning: Function parameter or member 'fp' not described in 'qedf_xmit'
 drivers/scsi/qedf/qedf_main.c:1426: warning: Function parameter or member 'lport' not described in 'qedf_rport_event_handler'
 drivers/scsi/qedf/qedf_main.c:1426: warning: Function parameter or member 'rdata' not described in 'qedf_rport_event_handler'
 drivers/scsi/qedf/qedf_main.c:1426: warning: Function parameter or member 'event' not described in 'qedf_rport_event_handler'

Link: https://lore.kernel.org/r/20200713074645.126138-9-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@cavium.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:57 -04:00
Lee Jones
ca63d8e2e9 scsi: bnx2fc: Repair a range of kerneldoc issues
>From bitrotted and missing function parameters to misuse of kerneldoc format.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1082: warning: Function parameter or member 'lport' not described in 'bnx2fc_update_src_mac'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1082: warning: Function parameter or member 'addr' not described in 'bnx2fc_update_src_mac'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1082: warning: Excess function parameter 'fip' description in 'bnx2fc_update_src_mac'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1082: warning: Excess function parameter 'old' description in 'bnx2fc_update_src_mac'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1082: warning: Excess function parameter 'new' description in 'bnx2fc_update_src_mac'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1670: warning: Function parameter or member 'netdev' not described in 'bnx2fc_destroy'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1670: warning: Excess function parameter 'buffer' description in 'bnx2fc_destroy'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1670: warning: Excess function parameter 'kp' description in 'bnx2fc_destroy'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:2108: warning: Function parameter or member 'netdev' not described in 'bnx2fc_disable'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:2236: warning: Function parameter or member 'netdev' not described in 'bnx2fc_enable'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:2529: warning: Function parameter or member 'dev' not described in 'bnx2fc_ulp_exit'
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:2962: warning: cannot understand function prototype: 'struct scsi_host_template bnx2fc_shost_template = '
 drivers/scsi/bnx2fc/bnx2fc_fcoe.c:2996: warning: cannot understand function prototype: 'struct cnic_ulp_ops bnx2fc_cnic_cb = '

Link: https://lore.kernel.org/r/20200713074645.126138-8-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Cc: Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:57 -04:00
Lee Jones
f2db5efefa scsi: fcoe: Correct some kernel-doc issues
Mainly due to misdocumentation or bitrotted descriptions.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/fcoe/fcoe_transport.c:396: warning: Function parameter or member 'skb' not described in 'fcoe_check_wait_queue'
 drivers/scsi/fcoe/fcoe_transport.c:447: warning: Function parameter or member 't' not described in 'fcoe_queue_timer'
 drivers/scsi/fcoe/fcoe_transport.c:447: warning: Excess function parameter 'lport' description in 'fcoe_queue_timer'
 drivers/scsi/fcoe/fcoe_transport.c:682: warning: Function parameter or member 'netdev' not described in 'fcoe_netdev_map_lookup'

Link: https://lore.kernel.org/r/20200713074645.126138-7-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:57 -04:00
Lee Jones
3052652326 scsi: fcoe: Fix a myriad of documentation issues
Mostly missing or incorrect (bitrotted) function parameters.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/fcoe/fcoe_ctlr.c:139: warning: Function parameter or member 'mode' not described in 'fcoe_ctlr_init'
 drivers/scsi/fcoe/fcoe_ctlr.c:604: warning: Function parameter or member 'lport' not described in 'fcoe_ctlr_encaps'
 drivers/scsi/fcoe/fcoe_ctlr.c:1312: warning: Function parameter or member 'skb' not described in 'fcoe_ctlr_recv_clr_vlink'
 drivers/scsi/fcoe/fcoe_ctlr.c:1312: warning: Excess function parameter 'fh' description in 'fcoe_ctlr_recv_clr_vlink'
 drivers/scsi/fcoe/fcoe_ctlr.c:1781: warning: Function parameter or member 't' not described in 'fcoe_ctlr_timeout'
 drivers/scsi/fcoe/fcoe_ctlr.c:1781: warning: Excess function parameter 'arg' description in 'fcoe_ctlr_timeout'
 drivers/scsi/fcoe/fcoe_ctlr.c:1904: warning: Function parameter or member 'lport' not described in 'fcoe_ctlr_recv_flogi'
 drivers/scsi/fcoe/fcoe_ctlr.c:2166: warning: Function parameter or member 'lport' not described in 'fcoe_ctlr_disc_stop_locked'
 drivers/scsi/fcoe/fcoe_ctlr.c:2166: warning: Excess function parameter 'fip' description in 'fcoe_ctlr_disc_stop_locked'
 drivers/scsi/fcoe/fcoe_ctlr.c:2188: warning: Function parameter or member 'lport' not described in 'fcoe_ctlr_disc_stop'
 drivers/scsi/fcoe/fcoe_ctlr.c:2188: warning: Excess function parameter 'fip' description in 'fcoe_ctlr_disc_stop'
 drivers/scsi/fcoe/fcoe_ctlr.c:2204: warning: Function parameter or member 'lport' not described in 'fcoe_ctlr_disc_stop_final'
 drivers/scsi/fcoe/fcoe_ctlr.c:2204: warning: Excess function parameter 'fip' description in 'fcoe_ctlr_disc_stop_final'
 drivers/scsi/fcoe/fcoe_ctlr.c:2273: warning: Function parameter or member 'frport' not described in 'fcoe_ctlr_vn_parse'
 drivers/scsi/fcoe/fcoe_ctlr.c:2273: warning: Excess function parameter 'rdata' description in 'fcoe_ctlr_vn_parse'
 drivers/scsi/fcoe/fcoe_ctlr.c:2804: warning: Function parameter or member 'frport' not described in 'fcoe_ctlr_vlan_parse'
 drivers/scsi/fcoe/fcoe_ctlr.c:2804: warning: Excess function parameter 'rdata' description in 'fcoe_ctlr_vlan_parse'
 drivers/scsi/fcoe/fcoe_ctlr.c:2900: warning: Excess function parameter 'min_len' description in 'fcoe_ctlr_vlan_send'
 drivers/scsi/fcoe/fcoe_ctlr.c:2977: warning: Function parameter or member 'fip' not described in 'fcoe_ctlr_vlan_recv'
 drivers/scsi/fcoe/fcoe_ctlr.c:2977: warning: Function parameter or member 'skb' not described in 'fcoe_ctlr_vlan_recv'
 drivers/scsi/fcoe/fcoe_ctlr.c:2977: warning: Excess function parameter 'lport' description in 'fcoe_ctlr_vlan_recv'
 drivers/scsi/fcoe/fcoe_ctlr.c:2977: warning: Excess function parameter 'fp' description in 'fcoe_ctlr_vlan_recv'
 drivers/scsi/fcoe/fcoe_ctlr.c:3033: warning: Function parameter or member 'callback' not described in 'fcoe_ctlr_disc_start'
 drivers/scsi/fcoe/fcoe_ctlr.c:3033: warning: Function parameter or member 'lport' not described in 'fcoe_ctlr_disc_start'
 drivers/scsi/fcoe/fcoe_ctlr.c:3033: warning: Excess function parameter 'fip' description in 'fcoe_ctlr_disc_start'

[mkp: fixed function name in comment]

Link: https://lore.kernel.org/r/20200713074645.126138-6-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 16:01:57 -04:00
Lee Jones
54888649be scsi: fcoe: Fix various kernel-doc infringements
A couple of headers make no attempt to document their associated function
parameters.  Others looks as if they are suffering with a little bitrot.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/fcoe/fcoe.c:654: warning: Function parameter or member 'lport' not described in 'fcoe_netdev_features_change'
 drivers/scsi/fcoe/fcoe.c:654: warning: Function parameter or member 'netdev' not described in 'fcoe_netdev_features_change'
 drivers/scsi/fcoe/fcoe.c:2039: warning: Function parameter or member 'ctlr_dev' not described in 'fcoe_ctlr_mode'
 drivers/scsi/fcoe/fcoe.c:2039: warning: Excess function parameter 'cdev' description in 'fcoe_ctlr_mode'
 drivers/scsi/fcoe/fcoe.c:2144: warning: Function parameter or member 'fcoe' not described in 'fcoe_dcb_create'
 drivers/scsi/fcoe/fcoe.c:2144: warning: Excess function parameter 'netdev' description in 'fcoe_dcb_create'
 drivers/scsi/fcoe/fcoe.c:2144: warning: Excess function parameter 'port' description in 'fcoe_dcb_create'
 drivers/scsi/fcoe/fcoe.c:2627: warning: Function parameter or member 'lport' not described in 'fcoe_elsct_send'
 drivers/scsi/fcoe/fcoe.c:2627: warning: Function parameter or member 'did' not described in 'fcoe_elsct_send'
 drivers/scsi/fcoe/fcoe.c:2627: warning: Function parameter or member 'fp' not described in 'fcoe_elsct_send'
 drivers/scsi/fcoe/fcoe.c:2627: warning: Function parameter or member 'op' not described in 'fcoe_elsct_send'
 drivers/scsi/fcoe/fcoe.c:2627: warning: Function parameter or member 'resp' not described in 'fcoe_elsct_send'
 drivers/scsi/fcoe/fcoe.c:2627: warning: Function parameter or member 'arg' not described in 'fcoe_elsct_send'
 drivers/scsi/fcoe/fcoe.c:2627: warning: Function parameter or member 'timeout' not described in 'fcoe_elsct_send'

Link: https://lore.kernel.org/r/20200713074645.126138-5-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 14:50:46 -04:00
Lee Jones
ee9ec5c9af scsi: libfc: trivial: Fix spelling mistake of 'discovery'
This is my fault (can't even blame copy/paste).

Link: https://lore.kernel.org/r/20200713074645.126138-4-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.de>
Reported-by: Johannes Thumshirn <Johannes.Thumshirn@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 14:50:31 -04:00
Lee Jones
74341d35b9 scsi: libfc: Supply some missing kerneldoc struct/function attributes/params
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/libfc/fc_exch.c:66: warning: Function parameter or member 'left' not described in 'fc_exch_pool'
 drivers/scsi/libfc/fc_exch.c:66: warning: Function parameter or member 'right' not described in 'fc_exch_pool'
 drivers/scsi/libfc/fc_exch.c💯 warning: Function parameter or member 'lport' not described in 'fc_exch_mgr'
 drivers/scsi/libfc/fc_exch.c:727: warning: Function parameter or member 'ep' not described in 'fc_invoke_resp'
 drivers/scsi/libfc/fc_exch.c:727: warning: Function parameter or member 'sp' not described in 'fc_invoke_resp'
 drivers/scsi/libfc/fc_exch.c:727: warning: Function parameter or member 'fp' not described in 'fc_invoke_resp'

Link: https://lore.kernel.org/r/20200713074645.126138-2-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-15 14:50:14 -04:00
Douglas Gilbert
30f67481a1 scsi: scsi_debug: Update documentation url and bump version
This driver maintains a version number which is cross-referenced in the
documentation (e.g. to indicate when features are added or changed) and
exposed through the responses to various SCSI commands. For example the
version number is use as the Product Revision number in standard SCSI
INQUIRY responses issued by this driver. The version date string is placed
in a vendor specific area in each standard SCSI INQUIRY response. This
patch bumps both.

Update the driver documentation URL that appears at the top of the driver
source file.

Link: https://lore.kernel.org/r/20200712182927.72044-3-dgilbert@interlog.com
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 23:49:47 -04:00
Douglas Gilbert
3a90a63d02 scsi: scsi_debug: every_nth triggered error injection
This patch simplifies, or at least makes more consistent, the way setting
the every_nth parameter injects errors. Here is a list of 'opts' flags and
in which cases they inject errors when abs(every_nth)%command_count == 0 is
reached:

  - OPT_RECOVERED_ERR: issued on READ(*)s, WRITE(*)s and
                       WRITE_SCATTEREDs
  - OPT_DIF_ERR:       issued on READ(*)s, WRITE(*)s and
                       WRITE_SCATTEREDs
  - OPT_DIX_ERR:       issued on READ(*)s, WRITE(*)s and
                       WRITE_SCATTEREDs
  - OPT_SHORT_TRANSFER: issued on READ(*)s
  - OPT_TRANSPORT_ERR: issued on all commands
  - OPT_CMD_ABORT:     issued on all commands

The other uses of every_nth were not modified.

Previously if, for example, OPT_SHORT_TRANSFER was armed then if
(abs(every_nth) % command_count == 0) occurred during a command that was
_not_ a READ, then no error injection occurred. This behaviour puzzled
several testers. Now a global "inject_pending" flag is set and the _next_
READ will get hit and that flag is cleared. OPT_RECOVERED_ERR, OPT_DIF_ERR
and OPT_DIX_ERR have similar behaviour. A downside of this is that there
might be a hang-over pending injection that gets triggered by a following
test.

Also expand the every_nth runtime parameter so that it can take hex value
(i.e. with a leading '0x') as well as a decimal value. Now both the 'opts'
and the 'every_nth' runtime parameters can take hexadecimal values.

Link: https://lore.kernel.org/r/20200712182927.72044-2-dgilbert@interlog.com
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 23:49:46 -04:00
John Garry
c10fa55f5e scsi: scsi_debug: Support hostwide tags
Many SCSI HBAs support a hostwide tagset, whereby each command submitted to
the HW from all submission queues must have a unique tag identifier.

Normally this unique tag will be in the range [0, max queue], where "max
queue" is the depth of each of the submission queues.

Add support for this hostwide tag feature, via module parameter
"host_max_queue". A non-zero value means that the feature is enabled. In
this case, the submission queues are not exposed to upper layer, i.e. from
blk-mq prespective, the device has a single hw queue. There are 2 reasons
for this:

 a. It is assumed that the host can support nr_hw_queues * can_queue
    commands, but this is not true for hostwide tags

 b. For nr_hw_queues != 0, the request tag is not unique over all HW
    queues, and some HBA drivers want to use this tag for the hostwide tag

However, like many SCSI HBA drivers today - megaraid sas being an example -
the full set of HW submission queues are still used in the LLDD driver. So
instead of using a complicated "reply_map" to create a per-CPU submission
queue mapping like megaraid_sas (as it depends on a PCI device + MSIs) -
use a simple algorithm:

    hwq = cpu % queue count

If the host_max_queue param is set non-zero, then the max queue depth is
fixed at this value also.

If and when hostwide shared tags are supported in blk-mq/scsi mid-layer,
then the policy to set nr_hw_queues = 0 for hostwide tags can be revised.

Link: https://lore.kernel.org/r/1594297400-24756-3-git-send-email-john.garry@huawei.com
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 23:42:48 -04:00
John Garry
c87bf24cfb scsi: scsi_debug: Add check for sdebug_max_queue during module init
sdebug_max_queue should not exceed SDEBUG_CANQUEUE, otherwise crashes like
this can be triggered by passing an out-of-range value:

Hardware name: Huawei D06 /D06, BIOS Hisilicon D06 UEFI RC0 - V1.16.01 03/15/2019
 pstate: 20400009 (nzCv daif +PAN -UAO BTYPE=--)
 pc : schedule_resp+0x2a4/0xa70 [scsi_debug]
 lr : schedule_resp+0x52c/0xa70 [scsi_debug]
 sp : ffff800022ab36f0
 x29: ffff800022ab36f0 x28: ffff0023a935a610
 x27: ffff800008e0a648 x26: 0000000000000003
 x25: ffff0023e84f3200 x24: 00000000003d0900
 x23: 0000000000000000 x22: 0000000000000000
 x21: ffff0023be60a320 x20: ffff0023be60b538
 x19: ffff800008e13000 x18: 0000000000000000
 x17: 0000000000000000 x16: 0000000000000000
 x15: 0000000000000000 x14: 0000000000000000
 x13: 0000000000000000 x12: 0000000000000000
 x11: 0000000000000000 x10: 0000000000000000
 x9 : 0000000000000001 x8 : 0000000000000000
 x7 : 0000000000000000 x6 : 00000000000000c1
 x5 : 0000020000200000 x4 : dead0000000000ff
 x3 : 0000000000000200 x2 : 0000000000000200
 x1 : ffff800008e13d88 x0 : 0000000000000000
 Call trace:
schedule_resp+0x2a4/0xa70 [scsi_debug]
scsi_debug_queuecommand+0x2c4/0x9e0 [scsi_debug]
scsi_queue_rq+0x698/0x840
__blk_mq_try_issue_directly+0x108/0x228
blk_mq_request_issue_directly+0x58/0x98
blk_mq_try_issue_list_directly+0x5c/0xf0
blk_mq_sched_insert_requests+0x18c/0x200
blk_mq_flush_plug_list+0x11c/0x190
blk_flush_plug_list+0xdc/0x110
blk_finish_plug+0x38/0x210
blkdev_direct_IO+0x450/0x4d8
generic_file_read_iter+0x84/0x180
blkdev_read_iter+0x3c/0x50
aio_read+0xc0/0x170
io_submit_one+0x5c8/0xc98
__arm64_sys_io_submit+0x1b0/0x258
el0_svc_common.constprop.3+0x68/0x170
do_el0_svc+0x24/0x90
el0_sync_handler+0x13c/0x1a8
el0_sync+0x158/0x180
 Code: 528847e0 72a001e0 6b00003f 540018cd (3941c340)

In addition, it should not be less than 1.

So add checks for these, and fail the module init for those cases.

[mkp: changed if condition to match error message]

Link: https://lore.kernel.org/r/1594297400-24756-2-git-send-email-john.garry@huawei.com
Fixes: c483739430 ("scsi_debug: add multiple queue support")
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 23:42:31 -04:00
John Garry
3d570a28ee scsi: hisi_sas: Remove one kerneldoc comment
The comment for interrupt_init_v2_hw() should not be a kerneldoc
comment. Remove it.

Link: https://lore.kernel.org/r/1594627471-235395-3-git-send-email-john.garry@huawei.com
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 23:32:29 -04:00
Luo Jiaxing
05d91b557a scsi: hisi_sas: Directly trigger SCSI error handling for completion errors
Abort failed commands in completion path. This avoids having to wait for
block layer timeouts and triggering the SCSI error handling thread.

Link: https://lore.kernel.org/r/1594627471-235395-2-git-send-email-john.garry@huawei.com
Signed-off-by: Luo Jiaxing <luojiaxing@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 23:32:28 -04:00
Stanley Chu
46426552e7 scsi: ufs-mediatek: Add inline encryption support
Add inline encryption support to ufs-mediatek.

The standards-compliant parts, such as querying the crypto capabilities and
enabling crypto for individual UFS requests, are already handled by
ufshcd-crypto.c, which itself is wired into the blk-crypto framework.

However MediaTek UFS host requires a vendor-specific hce_enable operation
to allow crypto-related registers being accessed normally in kernel.  After
this step, MediaTek UFS host can work as standard-compliant host for
inline-encryption related functions.

Link: https://lore.kernel.org/r/20200712003226.7593-1-stanley.chu@mediatek.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 23:24:56 -04:00
Dan Carpenter
30f259b488 scsi: cxgb4i: Clean up a debug printk
The pr_fmt() at the top of the file already includes the __func__ so we can
remove the duplicative "cxgbi_conn_init_pdu:" from the string here.  Now it
all fits on one line as well.

Link: https://lore.kernel.org/r/20200713105100.GA251988@mwanda
Acked-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 23:19:06 -04:00
Xianting Tian
92e8d0323a scsi: virtio_scsi: Remove unnecessary condition check
kmem_cache_destroy() and mempool_destroy() both correctly handle null
pointer parameters. There is no need to check if the parameter is null
before calling these functions.

Link: https://lore.kernel.org/r/1594307167-8807-1-git-send-email-xianting_tian@126.com
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Xianting Tian <xianting_tian@126.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 23:14:46 -04:00
Colin Ian King
b92a4a9f7b scsi: cxgb4i: Fix dereference of pointer tdata before it is null checked
Currently pointer tdata is being dereferenced on the initialization of
pointer skb before tdata is null checked. This could lead to a potential
null pointer dereference.  Fix this by dereferencing tdata after tdata has
been null pointer sanity checked.

Link: https://lore.kernel.org/r/20200709135217.1408105-1-colin.king@canonical.com
Fixes: e33c248228 ("scsi: cxgb4i: Add support for iSCSI segmentation offload")
Addresses-Coverity: ("Dereference before null check")
Acked-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 23:12:30 -04:00
Stanley Chu
6edfdcfe28 scsi: ufs: Fix and simplify setup_xfer_req variant operation
Add missing setup_xfer_req() call in ufshcd_issue_devman_upiu_cmd() in
ufs-bsg path. Relocate existing setup_xfer_req() calls to a common place,
i.e., ufshcd_send_command(), to simplify the driver.

Link: https://lore.kernel.org/r/20200706060707.32608-3-stanley.chu@mediatek.com
Acked-by: Avri Altman <Avri.Altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 22:51:56 -04:00
Stanley Chu
a3170376f7 scsi: ufs: Simplify completion timestamp for SCSI and query commands
Simplify recording command completion time in __ufshcd_transfer_req_compl()
by assigning lrbp->compl_time_stamp in a unified location.

Link: https://lore.kernel.org/r/20200706060707.32608-2-stanley.chu@mediatek.com
Acked-by: Avri Altman <Avri.Altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-13 22:51:55 -04:00
Matias Bjørling
82394db738 block: add capacity field to zone descriptors
In the zoned storage model, the sectors within a zone are typically all
writeable. With the introduction of the Zoned Namespace (ZNS) Command
Set in the NVM Express organization, the model was extended to have a
specific writeable capacity.

Extend the zone descriptor data structure with a zone capacity field to
indicate to the user how many sectors in a zone are writeable.

Introduce backward compatibility in the zone report ioctl by extending
the zone report header data structure with a flags field to indicate if
the capacity field is available.

Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Javier González <javier.gonz@samsung.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Matias Bjørling <matias.bjorling@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-07-08 16:16:19 +02:00
Jens Axboe
482c6b614a Linux 5.8-rc4
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Merge tag 'v5.8-rc4' into for-5.9/drivers

Merge in 5.8-rc4 for-5.9/block to setup for-5.9/drivers, to provide
a clean base and making the life for the NVMe changes easier.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

* tag 'v5.8-rc4': (732 commits)
  Linux 5.8-rc4
  x86/ldt: use "pr_info_once()" instead of open-coding it badly
  MIPS: Do not use smp_processor_id() in preemptible code
  MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen
  .gitignore: Do not track `defconfig` from `make savedefconfig`
  io_uring: fix regression with always ignoring signals in io_cqring_wait()
  x86/ldt: Disable 16-bit segments on Xen PV
  x86/entry/32: Fix #MC and #DB wiring on x86_32
  x86/entry/xen: Route #DB correctly on Xen PV
  x86/entry, selftests: Further improve user entry sanity checks
  x86/entry/compat: Clear RAX high bits on Xen PV SYSENTER
  i2c: mlxcpld: check correct size of maximum RECV_LEN packet
  i2c: add Kconfig help text for slave mode
  i2c: slave-eeprom: update documentation
  i2c: eg20t: Load module automatically if ID matches
  i2c: designware: platdrv: Set class based on DMI
  i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665
  mm/page_alloc: fix documentation error
  vmalloc: fix the owner argument for the new __vmalloc_node_range callers
  mm/cma.c: use exact_nid true to fix possible per-numa cma leak
  ...
2020-07-08 08:02:13 -06:00
Varun Prakash
e33c248228 scsi: cxgb4i: Add support for iSCSI segmentation offload
T5/T6 adapters support iSCSI segmentation offload.

To transmit iSCSI PDUs using ISO driver provides iSCSI header and data
scatterlist to the adapter, adapter forms multiple iSCSI PDUs and transmits
them.

[mkp: checkpatch]

Link: https://lore.kernel.org/r/1593448871-2972-1-git-send-email-varun@chelsio.com
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:41:05 -04:00
Andres Beltran
0a76566595 scsi: storvsc: Add validation for untrusted Hyper-V values
For additional robustness in the face of Hyper-V errors or malicious
behavior, validate all values that originate from packets that Hyper-V has
sent to the guest. Ensure that invalid values cannot cause data being
copied out of the bounds of the source buffer when calling memcpy. Ensure
that outgoing packets do not have any leftover guest memory that has not
been zeroed out.

Link: https://lore.kernel.org/r/20200706160928.53049-1-lkmlabelt@gmail.com
Cc: James E.J. Bottomley <jejb@linux.ibm.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Andres Beltran <lkmlabelt@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:34:08 -04:00
Dick Kennedy
77dd7d7b34 scsi: lpfc: Fix less-than-zero comparison of unsigned value
The expression start_idx - dbg_cnt is evaluated using unsigned int
arthithmetic (since these variables are unsigned ints) and hence can never
be less than zero, so the less than comparison is never true.  Rewrite the
expression to check for start_idx being less than dbg_cnt.

After the logic was corrected, temp_idx wasn't working correctly. So fix it
as well.

Link: https://lore.kernel.org/r/20200706204246.130416-1-jsmart2021@gmail.com
Fixes: 372c187b8a ("scsi: lpfc: Add an internal trace log buffer")
CC: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Addresses-Coverity: ("Unsigned compared against 0")
2020-07-08 01:28:49 -04:00
Dick Kennedy
17105d959b scsi: lpfc: Fix interrupt assignments when multiple vectors are supported on same CPU
With certain platforms its possible pci_alloc_irq_vectors() may affinitize
irq vectors to multiple (all?) CPUs. The driver is currently assuming
exclusivity and vectors being doled out to different CPUs and is assigning
primary ownership of each vector to the first CPU in the mask.  The code
doesn't bother to check if the CPU already owns a vector and will
unconditionally overwrite the CPU to vector mapping. This causes the
relationships between eq's and cq's to get confused and gets worse when
CPUs start to offline. The net results are interrupts are skipped resulting
in mailbox timeouts and there are oopses in CPU offling flows.

Fix this changing up the primary vector assignment. Now assign the eq to a
CPU only if it is the CPU in the mask that does not have a prior
assignment. And once the primary ownership is assigned, break from the
loop. For CPUs that may have been set before but not the primary owner, the
lpfc_cpu_affinity_check() routine will balance the CPU to eq assignment.

Link: https://lore.kernel.org/r/20200706204230.130363-1-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:27:25 -04:00
Satya Tangirala
df043c745e scsi: ufs: Add inline encryption support to UFS
Wire up ufshcd.c with the UFS Crypto API, the block layer inline encryption
additions and the keyslot manager.

Many existing inline crypto devices require some additional behaviour not
specified in the UFSHCI v2.1 specification - as such the vendor specific
drivers will need to be updated where necessary to make it possible to use
those devices. Some of these changes have already been proposed upstream,
such as for the Qualcomm 845 SoC at
https://lkml.kernel.org/linux-scsi/20200501045111.665881-1-ebiggers@kernel.org/
and for ufs-mediatek at
https://lkml.kernel.org/linux-scsi/20200304022101.14165-1-stanley.chu@mediatek.com/

This patch has been tested on the db845c, sm8150-mtp and sm8250-mtp
(which have Qualcomm chipsets) and on some mediatek chipsets using these
aforementioned vendor specific driver updates.

Link: https://lore.kernel.org/r/20200706200414.2027450-4-satyat@google.com
Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Satya Tangirala <satyat@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:23:32 -04:00
Satya Tangirala
70297a8ac7 scsi: ufs: UFS crypto API
Introduce functions to manipulate UFS inline encryption hardware in line
with the JEDEC UFSHCI v2.1 specification and to work with the block keyslot
manager.

The UFS crypto API will assume by default that a vendor driver doesn't
support UFS crypto, even if the hardware advertises the capability, because
a lot of hardware requires some special handling that's not specified in
the aforementioned JEDEC spec. Each vendor driver must explicitly set
hba->caps |= UFSHCD_CAP_CRYPTO before ufshcd_hba_init_crypto_capabilities()
is called to opt-in to UFS crypto support.

Link: https://lore.kernel.org/r/20200706200414.2027450-3-satyat@google.com
Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Satya Tangirala <satyat@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:23:29 -04:00
Satya Tangirala
5e7341e1f9 scsi: ufs: UFS driver v2.1 spec crypto additions
Add the crypto registers and structs defined in v2.1 of the JEDEC UFSHCI
specification in preparation to add support for inline encryption to UFS.

Link: https://lore.kernel.org/r/20200706200414.2027450-2-satyat@google.com
Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Satya Tangirala <satyat@google.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:21:59 -04:00
Steve Schremmer
e094fd3460 scsi: dh: Add Fujitsu device to devinfo and dh lists
Add FUJITSU ETERNUS_AHB

Link: https://lore.kernel.org/r/DM6PR06MB5276CCA765336BD312C4282E8C660@DM6PR06MB5276.namprd06.prod.outlook.com
Signed-off-by: Steve Schremmer <steve.schremmer@netapp.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:16:23 -04:00
Colin Ian King
26e0b9aa35 scsi: lpfc: Fix inconsistent indenting
Fix smatch warning:

    drivers/scsi/lpfc/lpfc_sli.c:15156 lpfc_cq_poll_hdler() warn:
    inconsistent indenting

Link: https://lore.kernel.org/r/20200707150018.823350-1-colin.king@canonical.com
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:14:34 -04:00
Lee Jones
b1987c8845 scsi: libfc: fc_disc: Fix-up some incorrectly referenced function parameters
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/libfc/fc_disc.c:343: warning: Function parameter or member 'disc' not described in 'fc_disc_gpn_ft_req'
 drivers/scsi/libfc/fc_disc.c:343: warning: Excess function parameter 'lport' description in 'fc_disc_gpn_ft_req'
 drivers/scsi/libfc/fc_disc.c:380: warning: Function parameter or member 'disc' not described in 'fc_disc_gpn_ft_parse'
 drivers/scsi/libfc/fc_disc.c:380: warning: Excess function parameter 'lport' description in 'fc_disc_gpn_ft_parse'
 drivers/scsi/libfc/fc_disc.c:498: warning: Function parameter or member 'disc_arg' not described in 'fc_disc_gpn_ft_resp'
 drivers/scsi/libfc/fc_disc.c:498: warning: Excess function parameter 'lp_arg' description in 'fc_disc_gpn_ft_resp'

Link: https://lore.kernel.org/r/20200707140055.2956235-10-lee.jones@linaro.org
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:12:55 -04:00
Lee Jones
97a3348342 scsi: pcmcia: nsp_cs: Remove unused variable 'dummy'
There is no need to populate an unused variable, even if the read is
required.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/pcmcia/nsp_cs.c: In function ‘nsp_cs_message’:
 drivers/scsi/pcmcia/nsp_cs.c:143:2: warning: function ‘nsp_cs_message’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
 drivers/scsi/pcmcia/nsp_cs.c: In function ‘nsp_fifo_count’:
 drivers/scsi/pcmcia/nsp_cs.c:692:24: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200707140055.2956235-9-lee.jones@linaro.org
Cc: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:12:54 -04:00
Lee Jones
af0b55d060 scsi: pcmcia: nsp_cs: Use new __printf() format notation
Fixes the following W=1 kernel build warning(s):

 drivers/scsi/pcmcia/nsp_cs.c: In function ‘nsp_cs_message’:
 drivers/scsi/pcmcia/nsp_cs.c:143:2: warning: function ‘nsp_cs_message’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
 drivers/scsi/pcmcia/nsp_cs.c: In function ‘nsp_fifo_count’:
 drivers/scsi/pcmcia/nsp_cs.c:692:24: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200707140055.2956235-8-lee.jones@linaro.org
Cc: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:12:54 -04:00
Lee Jones
3c011793ac scsi: aha152x: Remove unused variable 'ret'
Looks to be unused since 2014.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aha152x.c: In function ‘datai_run’:
 drivers/scsi/aha152x.c:2033:9: warning: variable ‘data’ set but not used [-Wunused-but-set-variable]
 2033 | int data;
 | ^~~~

Link: https://lore.kernel.org/r/20200707140055.2956235-7-lee.jones@linaro.org
Cc: "Juergen E. Fischer" <fischer@norbit.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:12:53 -04:00
Lee Jones
4be1fa2b55 scsi: fdomain: Mark 'fdomain_pm_ops' as __maybe_unused
Not all source files which include 'fdomain.h' make use of 'fdomain_pm_ops'
leaving them defined but unused.  Mark it as __maybe_unused to tell the
compiler this is not only acceptable, but expected.

Fixes the following W=1 kernel build warning(s):

 In file included from drivers/scsi/pcmcia/fdomain_cs.c:16:
 drivers/scsi/fdomain.h:106:32: warning: ‘fdomain_pm_ops’ defined but not used [-Wunused-const-variable=]
 106 | static const struct dev_pm_ops fdomain_pm_ops;
 | ^~~~~~~~~~~~~~

Link: https://lore.kernel.org/r/20200707140055.2956235-4-lee.jones@linaro.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:12:44 -04:00
Bean Huo
a23064c412 scsi: ufs: Change upiu_flags to be u8
According to the UFS Spec, the Flags field in the UPIU is one byte in size,
not 4. Change it to be u8.

Link: https://lore.kernel.org/r/20200706123936.24799-1-huobean@gmail.com
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-08 01:08:14 -04:00