update changing all our txt files to rst ones. Excluding that, we
have the usual driver updates (qla2xxx, ufs, lpfc, zfcp, ibmvfc,
pm80xx, aacraid), a treewide update for scnprintf and some other minor
updates. The major core update is Hannes moving functions out of the
aacraid driver and into the core.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This series has a huge amount of churn because it pulls in Mauro's doc
update changing all our txt files to rst ones.
Excluding that, we have the usual driver updates (qla2xxx, ufs, lpfc,
zfcp, ibmvfc, pm80xx, aacraid), a treewide update for scnprintf and
some other minor updates.
The major core change is Hannes moving functions out of the aacraid
driver and into the core"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (223 commits)
scsi: aic7xxx: aic97xx: Remove FreeBSD-specific code
scsi: ufs: Do not rely on prefetched data
scsi: dc395x: remove dc395x_bios_param
scsi: libiscsi: Fix error count for active session
scsi: hpsa: correct race condition in offload enabled
scsi: message: fusion: Replace zero-length array with flexible-array member
scsi: qedi: Add PCI shutdown handler support
scsi: qedi: Add MFW error recovery process
scsi: ufs: Enable block layer runtime PM for well-known logical units
scsi: ufs-qcom: Override devfreq parameters
scsi: ufshcd: Let vendor override devfreq parameters
scsi: ufshcd: Update the set frequency to devfreq
scsi: ufs: Resume ufs host before accessing ufs device
scsi: ufs-mediatek: customize the delay for enabling host
scsi: ufs: make HCE polling more compact to improve initialization latency
scsi: ufs: allow custom delay prior to host enabling
scsi: ufs-mediatek: use common delay function
scsi: ufs: introduce common and flexible delay function
scsi: ufs: use an enum for host capabilities
scsi: ufs: fix uninitialized tx_lanes in ufshcd_disable_tx_lcc()
...
Since snprintf() returns the would-be-output size instead of the actual
output size, the succeeding calls may go beyond the given buffer limit.
Fix it by replacing with scnprintf().
Also corrected the wrongly passed limit size. The remaining buffer size
must be decremented.
Link: https://lore.kernel.org/r/20200315094241.9086-7-tiwai@suse.de
Cc: "James E . J . Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>
Cc: Kashyap Desai <kashyap.desai@broadcom.com>
Cc: Sumit Saxena <sumit.saxena@broadcom.com>
Cc: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add a flag to DMA memory allocation to silence a warning.
This driver allocates DMA memory for IO frames. This allocation may exceed
MAX_ORDER pages for few megaraid_sas controllers (controllers with very
high queue depth). Consequently, the driver has logic to keep reducing the
controller queue depth until the DMA memory allocation succeeds.
On impacted megaraid_sas controllers there would be multiple DMA allocation
failures until driver settled on an allocation that fit. These failed DMA
allocation requests caused stack traces in system logs. These were not
harmful and this patch silences those warnings/stack traces.
[mkp: clarified commit desc]
Link: https://lore.kernel.org/r/20200204152413.7107-1-thenzl@redhat.com
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
There are two statements that are indented one level too deeply, remove
the extraneous tabs.
[mkp: fix typo spotted by Bart]
Link: https://lore.kernel.org/r/20200126154757.42530-1-colin.king@canonical.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Five small patches, all in drivers or doc, which missed the initial
pull request. The qla2xxx and megaraid_sas are actual fixes and the
rest are spelling and doc changes.
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 misc SCSI fixes from James Bottomley:
"Five small patches, all in drivers or doc, which missed the initial
pull request.
The qla2xxx and megaraid_sas are actual fixes and the rest are
spelling and doc changes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: fix spelling mistake "initilized" -> "initialized"
scsi: pm80xx: fix spelling mistake "to" -> "too"
scsi: MAINTAINERS: ufs: remove pedrom.sousa@synopsys.com
scsi: megaraid_sas: fixup MSIx interrupt setup during resume
scsi: qla2xxx: Fix unbound NVME response length
Streamline resume workflow by using the same functions for enabling MSIx
interrupts as used during initialisation. Without it the driver might
crash during resume with:
WARNING: CPU: 2 PID: 4306 at ../drivers/pci/msi.c:1303 pci_irq_get_affinity+0x3b/0x90
Link: https://lore.kernel.org/r/20200113132609.69536-1-hare@suse.de
Signed-off-by: Hannes Reinecke <hare@suse.de>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This series is slightly unusual because it includes Arnd's compat
ioctl tree here:
1c46a2cf2d Merge tag 'block-ioctl-cleanup-5.6' into 5.6/scsi-queue
Excluding Arnd's changes, this is mostly an update of the usual
drivers: megaraid_sas, mpt3sas, qla2xxx, ufs, lpfc, hisi_sas. There
are a couple of core and base updates around error propagation and
atomicity in the attribute container base we use for the SCSI
transport classes. The rest is minor changes and updates.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This series is slightly unusual because it includes Arnd's compat
ioctl tree here:
1c46a2cf2d Merge tag 'block-ioctl-cleanup-5.6' into 5.6/scsi-queue
Excluding Arnd's changes, this is mostly an update of the usual
drivers: megaraid_sas, mpt3sas, qla2xxx, ufs, lpfc, hisi_sas.
There are a couple of core and base updates around error propagation
and atomicity in the attribute container base we use for the SCSI
transport classes.
The rest is minor changes and updates"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (149 commits)
scsi: hisi_sas: Rename hisi_sas_cq.pci_irq_mask
scsi: hisi_sas: Add prints for v3 hw interrupt converge and automatic affinity
scsi: hisi_sas: Modify the file permissions of trigger_dump to write only
scsi: hisi_sas: Replace magic number when handle channel interrupt
scsi: hisi_sas: replace spin_lock_irqsave/spin_unlock_restore with spin_lock/spin_unlock
scsi: hisi_sas: use threaded irq to process CQ interrupts
scsi: ufs: Use UFS device indicated maximum LU number
scsi: ufs: Add max_lu_supported in struct ufs_dev_info
scsi: ufs: Delete is_init_prefetch from struct ufs_hba
scsi: ufs: Inline two functions into their callers
scsi: ufs: Move ufshcd_get_max_pwr_mode() to ufshcd_device_params_init()
scsi: ufs: Split ufshcd_probe_hba() based on its called flow
scsi: ufs: Delete struct ufs_dev_desc
scsi: ufs: Fix ufshcd_probe_hba() reture value in case ufshcd_scsi_add_wlus() fails
scsi: ufs-mediatek: enable low-power mode for hibern8 state
scsi: ufs: export some functions for vendor usage
scsi: ufs-mediatek: add dbg_register_dump implementation
scsi: qla2xxx: Fix a NULL pointer dereference in an error path
scsi: qla1280: Make checking for 64bit support consistent
scsi: megaraid_sas: Update driver version to 07.713.01.00-rc1
...
IOCTLs causing firmware fault may end up in failed controller resets and
finally killing the adapter.
This patch fixes this problem as stated below:
In OCR sequence, driver will attempt refiring pended IOCTLs upto two times.
If first two attempts fail, then in third attempt driver will return pended
IOCTLs with EBUSY status to application. These changes are done to ensure
if any of pended IOCTLs is causing firmware fault and resulting into OCR
failure, then in last attempt of OCR driver will refrain firing it to
firmware and saving adapter from being killed due to faulty IOCTL.
Link: https://lore.kernel.org/r/1579000882-20246-10-git-send-email-anand.lodnoor@broadcom.com
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Anand Lodnoor <anand.lodnoor@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Driver initiates OCR if a DCMD command times out. But there is a deadlock
if the driver attempts to invoke another OCR before the mutex lock
(reset_mutex) is released from the previous session of OCR.
This patch takes care of the above scenario using new flag
MEGASAS_FUSION_OCR_NOT_POSSIBLE to indicate if OCR is possible.
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/1579000882-20246-9-git-send-email-anand.lodnoor@broadcom.com
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Anand Lodnoor <anand.lodnoor@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
DCMD_INIT is introduced to indicate the initial DCMD status, which was
earlier set to MFI status. DCMD_BUSY indicates the resource is busy or
locked.
Link: https://lore.kernel.org/r/1579000882-20246-8-git-send-email-anand.lodnoor@broadcom.com
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Anand Lodnoor <anand.lodnoor@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
After issuing a adapter reset, driver blindly used to set adprecovery flag
to OPERATIONAL state. Add a check to see if the FW is operational before
setting the flag and marking reset adapter successful.
Link: https://lore.kernel.org/r/1579000882-20246-7-git-send-email-anand.lodnoor@broadcom.com
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Anand Lodnoor <anand.lodnoor@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
At the time of firmware initialization, if JBOD map or RAID map is not
available, driver can function without these features in a limited
functionality mode.
Link: https://lore.kernel.org/r/1579000882-20246-6-git-send-email-anand.lodnoor@broadcom.com
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Anand Lodnoor <anand.lodnoor@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Ideally, optimal queue depth will be provided by firmware. The driver
defines will be used as a fallback mechanism in case the FW assisted QD is
not supported. The driver defined values provide optimal queue depth for
most of the drives and the workloads, as is learned from the firmware
assisted QD results.
Link: https://lore.kernel.org/r/1579000882-20246-4-git-send-email-anand.lodnoor@broadcom.com
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Anand Lodnoor <anand.lodnoor@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Disable WRITE_SAME (no_write_same) for Virtual Disks only. For System PDs
and EPDs (Enhanced PDs), WRITE_SAME need not be disabled by default.
Link: https://lore.kernel.org/r/1579000882-20246-3-git-send-email-anand.lodnoor@broadcom.com
Signed-off-by: Anand Lodnoor <anand.lodnoor@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
After device resume we expect the firmware to be in READY state.
Transition to READY might fail due to unhandled exceptions, such as an
internal error or a hardware failure. Retry initiating chip reset and wait
for the controller to come to ready state.
Link: https://lore.kernel.org/r/1579000882-20246-2-git-send-email-anand.lodnoor@broadcom.com
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Anand Lodnoor <anand.lodnoor@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
ioremap has provided non-cached semantics by default since the Linux 2.6
days, so remove the additional ioremap_nocache interface.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
11 patches, all in drivers (no core changes) that are either minor
cleanups or small fixes. They were late arriving, but still safe for
-rc1.
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:
"Eleven patches, all in drivers (no core changes) that are either minor
cleanups or small fixes.
They were late arriving, but still safe for -rc1"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: MAINTAINERS: Add the linux-scsi mailing list to the ISCSI entry
scsi: megaraid_sas: Make poll_aen_lock static
scsi: sd_zbc: Improve report zones error printout
scsi: qla2xxx: Fix qla2x00_request_irqs() for MSI
scsi: qla2xxx: unregister ports after GPN_FT failure
scsi: qla2xxx: fix rports not being mark as lost in sync fabric scan
scsi: pm80xx: Remove unused include of linux/version.h
scsi: pm80xx: fix logic to break out of loop when register value is 2 or 3
scsi: scsi_transport_sas: Fix memory leak when removing devices
scsi: lpfc: size cpu map by last cpu id set
scsi: ibmvscsi_tgt: Remove unneeded variable rc
This is mostly update of the usual drivers: aacraid, ufs, zfcp,
NCR5380, lpfc, qla2xxx, smartpqi, hisi_sas, target, mpt3sas, pm80xx
plus a whole load of minor updates and fixes. The two major core
changes are Al Viro's reworking of sg's handling of copy to/from user,
Ming Lei's removal of the host busy counter to avoid contention in the
multiqueue case and Damien Le Moal's fixing of residual tracking
across error handling.
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 is mostly update of the usual drivers: aacraid, ufs, zfcp,
NCR5380, lpfc, qla2xxx, smartpqi, hisi_sas, target, mpt3sas, pm80xx
plus a whole load of minor updates and fixes.
The major core changes are Al Viro's reworking of sg's handling of
copy to/from user, Ming Lei's removal of the host busy counter to
avoid contention in the multiqueue case and Damien Le Moal's fixing of
residual tracking across error handling"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (251 commits)
scsi: bnx2fc: timeout calculation invalid for bnx2fc_eh_abort()
scsi: target: core: Fix a pr_debug() argument
scsi: iscsi: Don't send data to unbound connection
scsi: target: iscsi: Wait for all commands to finish before freeing a session
scsi: target: core: Release SPC-2 reservations when closing a session
scsi: target: core: Document target_cmd_size_check()
scsi: bnx2i: fix potential use after free
Revert "scsi: qla2xxx: Fix memory leak when sending I/O fails"
scsi: NCR5380: Add disconnect_mask module parameter
scsi: NCR5380: Unconditionally clear ICR after do_abort()
scsi: NCR5380: Call scsi_set_resid() on command completion
scsi: scsi_debug: num_tgts must be >= 0
scsi: lpfc: use hdwq assigned cpu for allocation
scsi: arcmsr: fix indentation issues
scsi: qla4xxx: fix double free bug
scsi: pm80xx: Modified the logic to collect fatal dump
scsi: pm80xx: Tie the interrupt name to the module instance
scsi: pm80xx: Controller fatal error through sysfs
scsi: pm80xx: Do not request 12G sas speeds
scsi: pm80xx: Cleanup command when a reset times out
...
Fix sparse warning:
drivers/scsi/megaraid/megaraid_sas_base.c:187:12:
warning: symbol 'poll_aen_lock' was not declared. Should it be static?
Link: https://lore.kernel.org/r/20191125144454.22680-1-yuehaibing@huawei.com
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
A handful of drivers all have a trivial wrapper around their ioctl
handler, but don't call the compat_ptr() conversion function at the
moment. In practice this does not matter, since none of them are used
on the s390 architecture and for all other architectures, compat_ptr()
does not do anything, but using the new compat_ptr_ioctl()
helper makes it more correct in theory, and simplifies the code.
I checked that all ioctl handlers in these files are compatible
and take either pointer arguments or no argument.
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/scsi/megaraid/megaraid_sas_fp.c: In function MR_GetSpanBlock:
drivers/scsi/megaraid/megaraid_sas_fp.c:400:16: warning: variable debugBlk set but not used [-Wunused-but-set-variable]
drivers/scsi/megaraid/megaraid_sas_fp.c: In function mr_spanset_get_phy_params:
drivers/scsi/megaraid/megaraid_sas_fp.c:713:25: warning: variable fusion set but not used [-Wunused-but-set-variable]
drivers/scsi/megaraid/megaraid_sas_fp.c: In function MR_GetPhyParams:
drivers/scsi/megaraid/megaraid_sas_fp.c:815:25: warning: variable fusion set but not used [-Wunused-but-set-variable]
'debugBlk' is introduced by commit 9c915a8c99 ("[SCSI] megaraid_sas:
Add 9565/9285 specific code"), but never used, so remove it
'fusion' is not used since commit c365178f31 ("scsi: megaraid_sas:
use adapter_type for all gen controllers")
Link: https://lore.kernel.org/r/1570605824-89133-1-git-send-email-zhengbin13@huawei.com
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Currently, MSI-X vectors name appears in /proc/interrupts is "megasas"
which is same for all the vectors. This patch provides a unique name for
all megaraid_sas controllers and their associated MSI-X interrupts.
Link: https://lore.kernel.org/r/20191007051828.12294-1-chandrakanth.patil@broadcom.com
Suggested-by: Konstantin Shalygin <k0ste@k0ste.ru>
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi,
lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates.
The only core change this time around is the addition of request
batching for virtio. Since batching requires an additional flag to
use, it should be invisible to the rest of the drivers.
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 is mostly update of the usual drivers: qla2xxx, ufs, smartpqi,
lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates. The
only core change this time around is the addition of request batching
for virtio. Since batching requires an additional flag to use, it
should be invisible to the rest of the drivers"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (264 commits)
scsi: hisi_sas: Fix the conflict between device gone and host reset
scsi: hisi_sas: Add BIST support for phy loopback
scsi: hisi_sas: Add hisi_sas_debugfs_alloc() to centralise allocation
scsi: hisi_sas: Remove some unused function arguments
scsi: hisi_sas: Remove redundant work declaration
scsi: hisi_sas: Remove hisi_sas_hw.slot_complete
scsi: hisi_sas: Assign NCQ tag for all NCQ commands
scsi: hisi_sas: Update all the registers after suspend and resume
scsi: hisi_sas: Retry 3 times TMF IO for SAS disks when init device
scsi: hisi_sas: Remove sleep after issue phy reset if sas_smp_phy_control() fails
scsi: hisi_sas: Directly return when running I_T_nexus reset if phy disabled
scsi: hisi_sas: Use true/false as input parameter of sas_phy_reset()
scsi: hisi_sas: add debugfs auto-trigger for internal abort time out
scsi: virtio_scsi: unplug LUNs when events missed
scsi: scsi_dh_rdac: zero cdb in send_mode_select()
scsi: fcoe: fix null-ptr-deref Read in fc_release_transport
scsi: ufs-hisi: use devm_platform_ioremap_resource() to simplify code
scsi: ufshcd: use devm_platform_ioremap_resource() to simplify code
scsi: hisi_sas: use devm_platform_ioremap_resource() to simplify code
scsi: ufs: Use kmemdup in ufshcd_read_string_desc()
...
This patch provides a module parameter and sysfs interface to select
whether the queue depth for each device should be based on the value
suggested by firmware (the default) or the maximum supported by the
controller (can_queue).
Although we have a sysfs interface per sdev to change the queue depth of
individual scsi devices, this implementation provides a single sysfs entry
per shost to switch between the controller max and the value reported by
firmware. The module parameter can provide an interface for one time grub
settings and provides persistent settings across the boot.
[mkp: tweaked commit desc]
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The commit de516379e8 ("scsi: megaraid_sas: changes to function
prototypes") introduced a comilation warning due to it changed the function
prototype of read_fw_status_reg() to take an instance pointer instead, but
forgot to remove an unused variable.
drivers/scsi/megaraid/megaraid_sas_fusion.c: In function
'megasas_fusion_update_can_queue':
drivers/scsi/megaraid/megaraid_sas_fusion.c:326:39: warning: variable
'reg_set' set but not used [-Wunused-but-set-variable]
struct megasas_register_set __iomem *reg_set;
^~~~~~~
Fixes: de516379e8 ("scsi: megaraid_sas: changes to function prototypes")
Signed-off-by: Qian Cai <cai@lca.pw>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fix sparse warnings:
drivers/scsi/megaraid/megaraid_sas_fusion.c:3369:1: warning: symbol 'complete_cmd_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:3535:6: warning: symbol 'megasas_sync_irqs' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:3554:1: warning: symbol 'megasas_complete_cmd_dpc_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:3573:13: warning: symbol 'megasas_isr_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:3604:1: warning: symbol 'build_mpt_mfi_pass_thru' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:3661:40: warning: symbol 'build_mpt_cmd' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:3688:1: warning: symbol 'megasas_issue_dcmd_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:3881:5: warning: symbol 'megasas_wait_for_outstanding_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:4005:6: warning: symbol 'megasas_refire_mgmt_cmd' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:4525:25: warning: symbol 'megasas_get_peer_instance' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:4825:7: warning: symbol 'megasas_fusion_crash_dump' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fix sparse warnings:
drivers/scsi/megaraid/megaraid_sas_fusion.c:541:1: warning: symbol 'megasas_alloc_cmdlist_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:580:1: warning: symbol 'megasas_alloc_request_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:661:1: warning: symbol 'megasas_alloc_reply_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:738:1: warning: symbol 'megasas_alloc_rdpq_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:920:1: warning: symbol 'megasas_alloc_cmds_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:1740:1: warning: symbol 'megasas_init_adapter_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:1966:1: warning: symbol 'map_cmd_status' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:2379:1: warning: symbol 'megasas_set_pd_lba' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:2718:1: warning: symbol 'megasas_build_ldio_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:3215:1: warning: symbol 'megasas_build_io_fusion' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_fusion.c:3328:6: warning: symbol 'megasas_prepare_secondRaid1_IO' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
While loading fw crashdump in function fw_crash_buffer_show(), left bytes
in one dma chunk was not checked, if copying size over it, overflow access
will cause kernel panic.
Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fix spelling mistake in kernel warning message and replace printk with with
pr_warn.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is the final round of mostly small fixes in our initial submit.
It's mostly minor fixes and driver updates. The only change of note
is adding a virt_boundary_mask to the SCSI host and host template to
parametrise this for NVMe devices instead of having them do a call in
slave_alloc. It's a fairly straightforward conversion except in the
two NVMe handling drivers that didn't set it who now have a virtual
infinity parameter added.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is the final round of mostly small fixes in our initial submit.
It's mostly minor fixes and driver updates. The only change of note is
adding a virt_boundary_mask to the SCSI host and host template to
parametrise this for NVMe devices instead of having them do a call in
slave_alloc. It's a fairly straightforward conversion except in the
two NVMe handling drivers that didn't set it who now have a virtual
infinity parameter added"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (24 commits)
scsi: megaraid_sas: set an unlimited max_segment_size
scsi: mpt3sas: set an unlimited max_segment_size for SAS 3.0 HBAs
scsi: IB/srp: set virt_boundary_mask in the scsi host
scsi: IB/iser: set virt_boundary_mask in the scsi host
scsi: storvsc: set virt_boundary_mask in the scsi host template
scsi: ufshcd: set max_segment_size in the scsi host template
scsi: core: take the DMA max mapping size into account
scsi: core: add a host / host template field for the virt boundary
scsi: core: Fix race on creating sense cache
scsi: sd_zbc: Fix compilation warning
scsi: libfc: fix null pointer dereference on a null lport
scsi: zfcp: fix GCC compiler warning emitted with -Wmaybe-uninitialized
scsi: zfcp: fix request object use-after-free in send path causing wrong traces
scsi: zfcp: fix request object use-after-free in send path causing seqno errors
scsi: megaraid_sas: Update driver version to 07.710.50.00
scsi: megaraid_sas: Add module parameter for FW Async event logging
scsi: megaraid_sas: Enable msix_load_balance for Invader and later controllers
scsi: megaraid_sas: Fix calculation of target ID
scsi: lpfc: reduce stack size with CONFIG_GCC_PLUGIN_STRUCTLEAK_VERBOSE
scsi: devinfo: BLIST_TRY_VPD_PAGES for SanDisk Cruzer Blade
...
When using a virt_boundary_mask, as done for NVMe devices attached to
megaraid_sas controllers, we require an unlimited max_segment_size as the
virt boundary merging code assumes that. But we also need to propagate
that to the DMA mapping layer to make dma-debug happy. The SCSI layer
takes care of that when using the per-host virt_boundary setting, but
given that megaraid_sas only wants to set the virt_boundary for actual
NVMe devices, we can't rely on that. The DMA layer maximum segment is
global to the HBA however, so we have to set it explicitly. This patch
assumes that megaraid_sas does not have a segment size limitation, which
seems true based on the SGL format, but will need to be verified.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add module parameter to control logging levels of async event
notifications from firmware that get logged to system log. Also, allow
changing the value from sysfs after driver load.
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Load balancing IO completions across all available MSI-X vectors should be
enabled for Invader and later generation controllers only. This needs to
be disabled for older controllers. Add an adapter type check before
setting msix_load_balance flag.
Fixes: 1d15d9098a ("scsi: megaraid_sas: Load balance completions across all MSI-X")
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
In megasas_get_target_prop(), driver is incorrectly calculating the target
ID for devices with channel 1 and 3. Due to this, firmware will either
fail the command (if there is no device with the target id sent from
driver) or could return the properties for a target which was not
intended. Devices could end up with the wrong queue depth due to this.
Fix target id calculation for channel 1 and 3.
Fixes: 96188a89cc ("scsi: megaraid_sas: NVME interface target prop added")
Cc: stable@vger.kernel.org
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fix sparse warnings:
drivers/scsi/megaraid/megaraid_sas_base.c:271:1: warning: symbol 'megasas_issue_dcmd' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_base.c:2227:6: warning: symbol 'megasas_do_ocr' was not declared. Should it be static?
drivers/scsi/megaraid/megaraid_sas_base.c:3194:25: warning: symbol 'megaraid_host_attrs' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This is mostly update of the usual drivers: qla2xxx, hpsa, lpfc, ufs,
mpt3sas, ibmvscsi, megaraid_sas, bnx2fc and hisi_sas as well as the
removal of the osst driver (I heard from Willem privately that he
would like the driver removed because all his test hardware has
failed). Plus number of minor changes, spelling fixes and other
trivia.
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 is mostly update of the usual drivers: qla2xxx, hpsa, lpfc, ufs,
mpt3sas, ibmvscsi, megaraid_sas, bnx2fc and hisi_sas as well as the
removal of the osst driver (I heard from Willem privately that he
would like the driver removed because all his test hardware has
failed). Plus number of minor changes, spelling fixes and other
trivia.
The big merge conflict this time around is the SPDX licence tags.
Following discussion on linux-next, we believe our version to be more
accurate than the one in the tree, so the resolution is to take our
version for all the SPDX conflicts"
Note on the SPDX license tag conversion conflicts: the SCSI tree had
done its own SPDX conversion, which in some cases conflicted with the
treewide ones done by Thomas & co.
In almost all cases, the conflicts were purely syntactic: the SCSI tree
used the old-style SPDX tags ("GPL-2.0" and "GPL-2.0+") while the
treewide conversion had used the new-style ones ("GPL-2.0-only" and
"GPL-2.0-or-later").
In these cases I picked the new-style one.
In a few cases, the SPDX conversion was actually different, though. As
explained by James above, and in more detail in a pre-pull-request
thread:
"The other problem is actually substantive: In the libsas code Luben
Tuikov originally specified gpl 2.0 only by dint of stating:
* This file is licensed under GPLv2.
In all the libsas files, but then muddied the water by quoting GPLv2
verbatim (which includes the or later than language). So for these
files Christoph did the conversion to v2 only SPDX tags and Thomas
converted to v2 or later tags"
So in those cases, where the spdx tag substantially mattered, I took the
SCSI tree conversion of it, but then also took the opportunity to turn
the old-style "GPL-2.0" into a new-style "GPL-2.0-only" tag.
Similarly, when there were whitespace differences or other differences
to the comments around the copyright notices, I took the version from
the SCSI tree as being the more specific conversion.
Finally, in the spdx conversions that had no conflicts (because the
treewide ones hadn't been done for those files), I just took the SCSI
tree version as-is, even if it was old-style. The old-style conversions
are perfectly valid, even if the "-only" and "-or-later" versions are
perhaps more descriptive.
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (185 commits)
scsi: qla2xxx: move IO flush to the front of NVME rport unregistration
scsi: qla2xxx: Fix NVME cmd and LS cmd timeout race condition
scsi: qla2xxx: on session delete, return nvme cmd
scsi: qla2xxx: Fix kernel crash after disconnecting NVMe devices
scsi: megaraid_sas: Update driver version to 07.710.06.00-rc1
scsi: megaraid_sas: Introduce various Aero performance modes
scsi: megaraid_sas: Use high IOPS queues based on IO workload
scsi: megaraid_sas: Set affinity for high IOPS reply queues
scsi: megaraid_sas: Enable coalescing for high IOPS queues
scsi: megaraid_sas: Add support for High IOPS queues
scsi: megaraid_sas: Add support for MPI toolbox commands
scsi: megaraid_sas: Offload Aero RAID5/6 division calculations to driver
scsi: megaraid_sas: RAID1 PCI bandwidth limit algorithm is applicable for only Ventura
scsi: megaraid_sas: megaraid_sas: Add check for count returned by HOST_DEVICE_LIST DCMD
scsi: megaraid_sas: Handle sequence JBOD map failure at driver level
scsi: megaraid_sas: Don't send FPIO to RL Bypass queue
scsi: megaraid_sas: In probe context, retry IOC INIT once if firmware is in fault
scsi: megaraid_sas: Release Mutex lock before OCR in case of DCMD timeout
scsi: megaraid_sas: Call disable_irq from process IRQ poll
scsi: megaraid_sas: Remove few debug counters from IO path
...
For Aero adapters, driver provides three different performance modes
controlled through module parameter named 'perf_mode'. Below are those
performance modes:
0: Balanced - Additional high IOPS reply queues will be enabled along with
low latency queues. Interrupt coalescing will be enabled only for these
high IOPS reply queues.
1: IOPS - No additional high IOPS queues are enabled. Interrupt coalescing
will be enabled on all reply queues.
2: Latency - No additional high IOPS queues are enabled. Interrupt
coalescing will be disabled on all reply queues. This is a legacy
behavior similar to Ventura & Invader Series.
Default performance mode settings:
- Performance mode set to 'Balanced', if Aero controller is working in
16GT/s PCIe speed.
- Performance mode will be set to 'Latency' mode for all other cases.
Through module parameter 'perf_mode', user can override default performance
mode to desired one.
Captured some performance numbers with these performance modes. 4k Random
Read IO performance numbers on 24 SAS SSD drives for above three
performance modes. Performance data is from Intel Skylake and HGST SS300
(drive model SDLL1DLR400GCCA1).
IOPS:
-----------------------------------------------------------------------
|perf_mode | qd = 1 | qd = 64 | note |
|-------------|--------|---------|-------------------------------------
|balanced | 259K | 3061k | Provides max performance numbers |
| | | | both on lower QD workload & |
| | | | also on higher QD workload |
|-------------|--------|---------|-------------------------------------
|iops | 220K | 3100k | Provides max performance numbers |
| | | | only on higher QD workload. |
|-------------|--------|---------|-------------------------------------
|latency | 246k | 2226k | Provides good performance numbers |
| | | | only on lower QD worklaod. |
-----------------------------------------------------------------------
Average Latency:
-----------------------------------------------------
|perf_mode | qd = 1 | qd = 64 |
|-------------|--------------|----------------------|
|balanced | 92.05 usec | 501.12 usec |
|-------------|--------------|----------------------|
|iops | 108.40 usec | 498.10 usec |
|-------------|--------------|----------------------|
|latency | 97.10 usec | 689.26 usec |
-----------------------------------------------------
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver will use round-robin method for IO submission in batches within
the high IOPS queues when the number of in-flight ios on the target device
is larger than 8. Otherwise the driver will use low latency reply queues.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
High iops queues are mapped to non-managed IRQs. Set affinity of
non-managed irqs to local numa node. Low latency queues are mapped to
managed IRQs.
Driver reserves some reply queues for high IOPS queues (through
pci_alloc_irq_vectors_affinity and .pre_vectors interface). The rest of
queues are for low latency.
Based on IO workload, driver will decide which group of reply queues
(either high IOPS queues or low latency queues) to be used.
High IOPS queues will be mapped to local numa node of controller and
low latency queues will be mapped to CPUs across numa nodes. In general,
high IOPS and low latency queues should fit into 128 reply queues
which is the max number of reply queues supported by Aero adapters.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Driver should enable interrupt coalescing (during driver load and after
Controller Reset) for High IOPS queues by masking appropriate bits in IOC
INIT frame.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Aero controllers support balanced performance mode through the ability to
configure queues with different properties.
Reply queues with interrupt coalescing enabled are called "high iops reply
queues" and reply queues with interrupt coalescing disabled are called "low
latency reply queues".
The driver configures a combination of high iops and low latency reply
queues if:
- HBA is an AERO controller;
- MSI-X vectors supported by the HBA is 128;
- Total CPU count in the system more than high iops queue count;
- Driver is loaded with default max_msix_vectors module parameter; and
- System booted in non-kdump mode.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Added driver support to allow passthrough MPI toolbox type MFI commands to
firmware based on firmware capability.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
For RAID5/RAID6 volumes configured behind Aero, driver will be doing 64bit
division operations on behalf of firmware as controller's ARM CPU is very
slow in this division. Later, driver calculates Q-ARM, P-ARM and Log-ARM and
passes those values to firmware by writing these values to RAID_CONTEXT.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
RAID1 PCI bandwidth limit algorithm is not applicable to Aero as it's PCIe
Gen4 adapter.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
