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- 08 Dec, 2017 28 commits
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Bart Van Assche authored
Commit 651a0136 ("scsi: scsi_transport_sas: switch to bsg-lib for SMP passthrough") removed the only call to scsi_initialize_rq() from outside the SCSI core. Hence unexport scsi_initialize_rq(). Signed-off-by:
Bart Van Assche <bart.vanassche@wdc.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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himanshu.madhani@cavium.com authored
Signed-off-by:
Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by:
Hannes Reinecke <hare@suse.com> Signed-off-by:
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himanshu.madhani@cavium.com authored
When driver is loaded in Target/Dual mode, it creates QPair to support MQ and allocates resources for each QPair. This Qpair initialization is delayed until the FW personality is changed to Dual/Target mode by issuing chip reset. At the time of chip reset firmware is re-initilized in correct personality all the QPairs are initialized by sending MBC_INITIALIZE_MULTIQ (001Fh). This patch fixes memory leak by adding check to issue MBC_INITIALIZE_MULTIQ command only while deleting rsp/req queue when the flag is set for initiator mode, and clean up QPair resources correctly during the driver unload. This MBX does not need to be issued for Target/Dual mode because chip reset will reset ISP. Fixes: d65237c7 ("scsi: qla2xxx: Fix mailbox failure while deleting Queue pairs") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
Fix system crash due to NULL pointer access. qlt_plogi_ack_t and fc_port structures were not properly bound before calling qlt_plogi_ack_unref(). RIP: 0010:qlt_plogi_ack_unref+0xa1/0x150 [qla2xxx] Call Trace: qla24xx_create_new_sess+0xb1/0x320 [qla2xxx] qla2x00_do_work+0x123/0x260 [qla2xxx] qla2x00_iocb_work_fn+0x30/0x40 [qla2xxx] process_one_work+0x1f3/0x530 worker_thread+0x4e/0x480 kthread+0x10c/0x140 Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
Quinn Tran <quinn.tran@cavium.com> Signed-off-by:
Giridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by:
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Giridhar Malavali authored
This fix the spinlock recursion issue seen while unloading the driver. 14 [ffff9f2e21e03db8] native_queued_spin_lock_slowpath at ffffffffad0d8802 15 [ffff9f2e21e03dc0] do_raw_spin_lock at ffffffffad0d99e4 16 [ffff9f2e21e03dd8] _raw_spin_lock_irqsave at ffffffffad652471 17 [ffff9f2e21e03e00] qla2x00_els_dcmd_iocb_timeout at ffffffffc070cd63 18 [ffff9f2e21e03e40] qla2x00_sp_timeout at ffffffffc06f06d3 [qla2xxx] 19 [ffff9f2e21e03e68] call_timer_fn at ffffffffad0f97d8 20 [ffff9f2e21e03ed8] run_timer_softirq at ffffffffad0faf47 21 [ffff9f2e21e03f68] __softirqentry_text_start at ffffffffad655f32 Fixes: 6eb54715 ("qla2xxx: Added interface to send explicit LOGO.") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Giridhar Malavali authored
This patch defers processing of GS IOCB calls from interrupt context to avoid hardware spinlock recursion. Following stack trace is seen ? mod_timer+0x193/0x330 ? ql_dbg+0xa7/0xf0 [qla2xxx] _raw_spin_lock_irqsave+0x31/0x40 qla2x00_start_sp+0x3b/0x250 [qla2xxx] qla24xx_async_gnl+0x1d3/0x240 [qla2xxx] qla24xx_fcport_handle_login+0x285/0x290 [qla2xxx] ? vprintk_func+0x20/0x50 Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
Clear loop id after delete to prevent session invalidation of stale session. Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
Add correct value of scan_state field indicating state of the FC port Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
Current code manually allocate an fcport structure that is not properly initialize. Replace kzalloc with qla2x00_alloc_fcport, so that all fields are initialized. Also set set scan flag to port found Cc: <stable@vger.kernel.org> Signed-off-by:
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Quinn Tran authored
Original code acquires hardware_lock to add Abort IOCB onto driver request queue for processing. However, abort_command() will also acquire hardware lock to look up sp pointer before issuing abort IOCB command resulting into a deadlock. This patch safely removes the possible deadlock scenario by removing extra spinlock. Fixes: 6eb54715 ("qla2xxx: Added interface to send explicit LOGO.") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
Get Port Database MBX cmd is to validate current Login state upon PRLI completion. Current code looks at the last login state for re-validation which was incorrect. This patch removed incorrect state check. Fixes: 15f30a57 ("qla2xxx: Use IOCB interface to submit non-critical MBX.") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
Current driver design schedules relogin process via DPC thread every 1 second. In a large fabric, this DPC thread tries to schedule too many jobs and might get overloaded. As a result of this processing of DPC thread, it can schedule relogin earlier than 1 second. Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
If user swaps one target port for another target port for same switch port, the new target port is not being recognized by the driver. Current code assumes that old Target port has recovered from link down. The fix will ask switch what is the WWPN of a specific NportID (GPNID) rather than assuming it's the same Target port which has came back. Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Sawan Chandak authored
Add check to make sure we are cleaning up global target host list only for NPIV hosts Fixes: bdbe24de ("scsi: qla2xxx: Cleanup NPIV host in target mode during config teardown") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
Sawan Chandak <sawan.chandak@cavium.com> Signed-off-by:
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Quinn Tran authored
This patch returns discovery state machine back to Login Complete. Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
GPNID is triggered by RSCN. For multiple RSCNs of the same affected NPORT ID, serialize the GPNID to prevent confusion. Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
Retry GID_PN & GPN_ID switch commands for time out case. Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
When NPort Handle is in use, driver needs to mark the handle as used and pick another. Instead, the code clears the handle and re-pick the same handle. Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
Fix co-existence between Block MQ and Target Mode. Block MQ and initiator mode requires midlayer queue mapping to check for IRQ to be affinitized. For target mode, it's not the case. Fixes: 09620eeb ("scsi: qla2xxx: Add debug knob for user control workload") Cc: <stable@vger.kernel.org> # 4.12+ Signed-off-by:
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Quinn Tran authored
Move session delete from system work queue to driver's work queue for in time processing. Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
Stop GPNID command from advancing if command has failed. Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Quinn Tran authored
Fix NULL pointer crash due to missing timeout handling callback for Notify Ack IOCB. Fixes: 726b8548 ("qla2xxx: Add framework for async fabric discovery") Cc: <stable@vger.kernel.org> # 4.10+ Signed-off-by:
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Douglas Gilbert authored
While testing "sd: Micro-optimize READ / WRITE CDB encoding" patches it was helpful to check various code paths associated with READ/WRITE 6, 10 and 16 byte cdb variants. There seems to be no user space "knobs" to twiddle use_10_for_rw and friends in the scsi_device structure. So add a parameter to scsi_debug called "cdb_len" for this purpose. [mkp: fixed typo] Signed-off-by:
Douglas Gilbert <dgilbert@interlog.com> Reviewed-by:
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Bart Van Assche authored
Since symbolic names for the device information keys alread exist, associate an enumeration type with these symbolic values. This change makes it clear what the valid values for the 'key' arguments are. Signed-off-by:
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Bart Van Assche authored
Since scsi_get_device_flags_keyed() callers do not check whether or not the returned value is an error code, change that function such that it returns a flags value even if the 'key' argument is invalid. Note: since commit 28a0bc41 ("scsi: sd: Implement blacklist option for WRITE SAME w/ UNMAP") bit 31 is a valid device information flag so checking whether bit 31 is set in the return value is not sufficient to tell the difference between an error code and a flags value. Signed-off-by:
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Bart Van Assche authored
Signed-off-by:
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Bart Van Assche authored
If scsi_eh_scmd_add() is called concurrently with scsi_host_queue_ready() while shost->host_blocked > 0 then it can happen that neither function wakes up the SCSI error handler. Fix this by making every function that decreases the host_busy counter wake up the error handler if necessary and by protecting the host_failed checks with the SCSI host lock. Reported-by:
Pavel Tikhomirov <ptikhomirov@virtuozzo.com> References: https://marc.info/?l=linux-kernel&m=150461610630736 Fixes: commit 74665016 ("scsi: convert host_busy to atomic_t") Signed-off-by:
Stuart Hayes <stuart.w.hayes@gmail.com> Cc: Konstantin Khorenko <khorenko@virtuozzo.com> Cc: Stuart Hayes <stuart.w.hayes@gmail.com> Cc: Pavel Tikhomirov <ptikhomirov@virtuozzo.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Cc: <stable@vger.kernel.org> Signed-off-by:
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Paul E. McKenney authored
Use of init_rcu_head() and destroy_rcu_head() from modules results in the following build-time error with CONFIG_DEBUG_OBJECTS_RCU_HEAD=y: ERROR: "init_rcu_head" [drivers/scsi/scsi_mod.ko] undefined! ERROR: "destroy_rcu_head" [drivers/scsi/scsi_mod.ko] undefined! This commit therefore adds EXPORT_SYMBOL_GPL() for each to allow them to be used by GPL-licensed kernel modules. Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by:
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- 07 Dec, 2017 12 commits
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Ching Huang authored
Fix report command result error when CHECK_CONDITION. Signed-off-by:
Ching Huang <ching2048@areca.com.tw> Signed-off-by:
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Ching Huang authored
Update driver version to v1.40.00.04-20171130 Signed-off-by:
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Ching Huang authored
Add module parameter msix_enable so user has the option of disabling MSI-X interrupts if there is a platform problem. Signed-off-by:
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Ching Huang authored
Add module parameter msi_enable so user has the option of disabling MSI interrupts if there is a platform problem. Signed-off-by:
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Ching Huang authored
Fix grammar. Signed-off-by:
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Ching Huang authored
Adjust tabs and whitespace. Signed-off-by:
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Ching Huang authored
Spin off duplicate code of timer init for message isr BH in arcmsr_probe and arcmsr_resume as a function arcmsr_init_get_devmap_timer. Signed-off-by:
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Ching Huang authored
Fix clear doorbell queue on ACB_ADAPTER_TYPE_B controller. Signed-off-by:
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Ching Huang authored
Add a function arcmsr_set_iop_datetime and driver option set_date_time to set date and time to firmware. Signed-off-by:
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Ching Huang authored
Add ACB_F_MSG_GET_CONFIG to acb->acb_flags for for message interrupt checking before schedule work for get device map. Signed-off-by:
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Ching Huang authored
Add driver option cmd_per_lun to set host->cmd_per_lun value by user. Signed-off-by:
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Ching Huang authored
Replace constant ARCMSR_MAX_OUTSTANDING_CMD by variable acb->maxOutstanding that was determined by user. Signed-off-by:
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