- 28 6月, 2017 7 次提交
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由 Duane Grigsby 提交于
This code provides the interfaces to register remote and local ports of FC4 type 0x28 with the FC-NVMe transport and transports the requests (FC-NVMe FC link services and FC-NVMe commands IUs) to the fabric. It also provides the support for allocating h/w queues and aborting FC-NVMe FC requests. Signed-off-by: NDarren Trapp <darren.trapp@cavium.com> Signed-off-by: NDuane Grigsby <duane.grigsby@cavium.com> Signed-off-by: NAnil Gurumurthy <anil.gurumurhty@cavium.com> Signed-off-by: NGiridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Duane Grigsby 提交于
This patch adds logic to handle the completion of FC-NVMe commands and creates a sub-command in the SRB command structure to manage NVMe commands. Signed-off-by: NDarren Trapp <darren.trapp@cavium.com> Signed-off-by: NDuane Grigsby <duane.grigsby@cavium.com> Signed-off-by: NAnil Gurumurthy <anil.gurumurhty@cavium.com> Signed-off-by: NGiridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: NJohannes Thumshirn <jthumshirn@suse.de> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Quinn Tran 提交于
Add fw_started flag to qpair to reduce cache thrash. This reduce access to qla_hw_data structure by each qpair. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Quinn Tran 提交于
For Target mode, user can control the work load by placing qla2xxx's irq vector on certain CPU via the smp_affinity knob. This patch allows user to control the number of QPair's irq to be active. The irqs are allocated at driver load time until unload. The work itself is placed on the QPair based on user setting. Usage: modprobe qla2xxx qlini_mode=disabled ql2xuctrlirq=1 mount -t debugfs none /sys/kernel/debug echo 2 > /sys/kernel/debug/qla2xxx/qla2xxx_[host num]/naqp echo [cpu id] > /proc/irq/[irq id]/smp_affinity_list Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Quinn Tran 提交于
Enable Multi Queue for Target mode. At Initiator LUN scan time, each LUN is assign to a QPair. Each QPair is affinitize to certain CPU. When new cmd arrives from the wire, the lunid is used to search for qpair. The qpair's affinitized cpuid will be used to queue up the work element. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Quinn Tran 提交于
In Current code, Req Q 0, RespQ 0 & hardware_lock are the main resources for sending and process completion of Target IO. These resources are now referenced behind a new qpair/"struct qla_qpair base_qpair". Main path IO handle will access those resources via the qpair pointer in preparation for Target MQ. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Quinn Tran 提交于
Merge active/outstanding cmd arrays from target side and initiator side together in prepration for Target Multi Queue support. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 13 6月, 2017 2 次提交
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由 Quinn Tran 提交于
Assign unique id to all traces and logs for debug purpose. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Quinn Tran 提交于
Name server login is normally handle by FW. In some rare case where one of the switches is being updated, name server login could get affected. Trigger relogin to name server when driver detects this condition. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 25 5月, 2017 1 次提交
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scsi: qla2xxx: Fix recursive loop during target mode configuration for ISP25XX leaving system unresponsive Following messages are seen into system logs qla2xxx [0000:09:00.0]-00af:9: Performing ISP error recovery - ha=ffff98315ee30000. qla2xxx [0000:09:00.0]-504b:9: RISC paused -- HCCR=40, Dumping firmware. qla2xxx [0000:09:00.0]-d009:9: Firmware has been previously dumped (ffffba488c001000) -- ignoring request. qla2xxx [0000:09:00.0]-504b:9: RISC paused -- HCCR=40, Dumping firmware. See Bugzilla for details https://bugzilla.kernel.org/show_bug.cgi?id=195285 Fixes: d7459527 ("scsi: qla2xxx: Add multiple queue pair functionality.") Cc: <stable@vger.kernel.org> # v4.10+ Reported-by: NLaurence Oberman <loberman@redhat.com> Reported-by: NAnthony Bloodoff <anthony.bloodoff@gmail.com> Tested-by: NLaurence Oberman <loberman@redhat.com> Tested-by: NAnthony Bloodoff <anthony.bloodoff@gmail.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NGiridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 05 4月, 2017 1 次提交
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由 Milan P Gandhi 提交于
Signed-off-by: NMilan P Gandhi <mgandhi@redhat.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 19 3月, 2017 3 次提交
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由 Quinn Tran 提交于
Current driver wait for FW to be in the ready state before processing in-coming commands. For Arbitrated Loop or Point-to- Point (not switch), FW Ready state can take a while. FW will transition to ready state after all Nports have been logged in. In the mean time, certain initiators have completed the login and starts IO. Driver needs to start processing all queues if FW is already started. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Quinn Tran 提交于
The Mailbox interface is currently over subscribed. We like to reserve the Mailbox interface for the chip managment and link initialization. Any non essential Mailbox command will be routed through the IOCB interface. The IOCB interface is able to absorb more commands. Following commands are being routed through IOCB interface - Get ID List (007Ch) - Get Port DB (0064h) - Get Link Priv Stats (006Dh) Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Quinn Tran 提交于
If the remote port have started the login process, then the PLOGI and PRLI should be back to back. Driver will allow the remote port to complete the process. For the case where the remote port decide to back off from sending PRLI, this local port sets an expiration timer for the PRLI. Once the expiration time passes, the relogin retry logic is allowed to go through and perform login with the remote port. Signed-off-by: NQuinn Tran <quinn.tran@qlogic.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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- 23 2月, 2017 1 次提交
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由 Michael Hernandez 提交于
For target mode, we need to increase minimum vectors value by one to account for ATIO queue. Following stack trace will be seen Call Trace: qla24xx_config_rings+0x15a/0x230 [qla2xxx] qla2x00_init_rings+0x1a1/0x3a0 [qla2xxx] qla2x00_restart_isp+0x5c/0x120 [qla2xxx] qla2x00_abort_isp+0x138/0x430 [qla2xxx] ? __schedule+0x260/0x580 qla2x00_do_dpc+0x3bc/0x920 [qla2xxx] ? qla2x00_relogin+0x290/0x290 [qla2xxx] ? schedule+0x3a/0xa0 ? qla2x00_relogin+0x290/0x290 [qla2xxx] kthread+0x103/0x140 ? __kthread_init_worker+0x40/0x40 ret_from_fork+0x29/0x40 RIP: qlt_24xx_config_rings+0x6c/0x90 [mkp: fixed Fixes: hash] Cc: <stable@vger.kernel.org> Fixes: 17e5fc58 ("scsi: qla2xxx: fix MSI-X vector affinity") Signed-off-by: NMichael Hernandez <michael.hernandez@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 09 2月, 2017 5 次提交
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由 Joe Carnuccio 提交于
This patch simplifies SRB structure usage in driver. - Simplify sp->done() and sp->free() interfaces. - Remove sp->fcport->vha to use vha pointer from sp. - Use sp->vha context in qla2x00_rel_sp(). Signed-off-by: NJoe Carnuccio <joe.carnuccio@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Quinn Tran 提交于
Current code blindly does State Change Registration when the link is up. Move SCR behind fabric scan, so that arbitrated loop scan would not get erroneous error message. Some of the other improvements are as follows - Add session deletion for TPRLO and send acknowledgment for TPRLO. - Enable FW option to move ABTS, RIDA & PUREX from RSPQ to ATIOQ. - Save NPort ID early in link init. - Move ABTS & RIDA to ATIOQ helps in keeping command ordering and link up sequence ordering. - Save Nport ID and update VP map so that SCSI CMD/ATIO won't be dropped. - fcport alloc does the initializes memory to zero. Remove memset to zero since It might corrupt link list. - Turn off Registration for State Change MB in loop mode. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Quinn Tran 提交于
Add switch to allow both Initiator Mode & Target mode to operate at the same time. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Quinn Tran 提交于
Currently code performs a full scan of the fabric for every RSCN. Its an expensive process in a noisy large SAN. This patch optimizes expensive fabric discovery process by scanning switch for the affected port when RSCN is received. Currently Initiator Mode code makes login/logout decision without knowledge of target mode. This causes driver and firmware to go out-of-sync. This framework synchronizes both initiator mode personality and target mode personality in making login/logout decision. This patch adds following capabilities in the driver - Send Notification Acknowledgement asynchronously. - Update session/fcport state asynchronously. - Create a session or fcport struct asynchronously. - Send GNL asynchronously. The command will ask FW to provide a list of FC Port entries FW knows about. - Send GPDB asynchronously. The command will ask FW to provide detail data of an FC Port FW knows about or perform ADISC to verify the state of the session. - Send GPNID asynchronously. The command will ask switch to provide WWPN for provided NPort ID. - Send GPSC asynchronously. The command will ask switch to provide registered port speed for provided WWPN. - Send GIDPN asynchronously. The command will ask the switch to provide Nport ID for provided WWPN. - In driver unload path, schedule all session for deletion and wait for deletion to complete before allowing driver unload to proceed. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> [ bvanassche: fixed spelling in patch description ] Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Quinn Tran 提交于
Callback for sp->done expects scsi_qla_host is passed in as argument, Instead qla_hw_data is passed in. Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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- 28 1月, 2017 1 次提交
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由 Christoph Hellwig 提交于
And require all drivers that want to support BLOCK_PC to allocate it as the first thing of their private data. To support this the legacy IDE and BSG code is switched to set cmd_size on their queues to let the block layer allocate the additional space. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NJens Axboe <axboe@fb.com>
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- 25 1月, 2017 1 次提交
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由 Bart Van Assche 提交于
qla2x00_probe_one() allocates IRQs before it initializes rsp_q_map so IRQs must be freed even if rsp_q_map allocation did not occur. This was detected by kmemleak. Fixes: 4fa18345 ("scsi: qla2xxx: Utilize pci_alloc_irq_vectors/pci_free_irq_vectors calls") Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Cc: Michael Hernandez <michael.hernandez@cavium.com> Cc: Himanshu Madhani <himanshu.madhani@cavium.com> Cc: Christoph Hellwig <hch@lst.de> Cc: <stable@vger.kernel.org> Reviewed-by: NChristoph Hellwig <hch@lst.de> Acked-By: NHimanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: NJohannes Thumshirn <jthumshirn@suse.de> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 18 1月, 2017 1 次提交
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由 Quinn Tran 提交于
Termination of Immediate Notify IOCB was using wrong IOCB handle. IOCB completion code was unable to find appropriate code path due to wrong handle. Following message is seen in the logs. "Error entry - invalid handle/queue (ffff)." Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> [ bvanassche: Fixed word order in patch title ] Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com>
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- 12 1月, 2017 2 次提交
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由 Christoph Hellwig 提交于
Now that qla2xxx uses the IRQ layer affinity assignment, affinity won't change over the life time of a device and the notifiers are useless. Signed-off-by: NChristoph Hellwig <hch@lst.de> Acked-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Christoph Hellwig 提交于
The first two or three vectors in qla2xxx adapter are global and not associated with a specific queue. They should not have IRQ affinity assigned. Signed-off-by: NChristoph Hellwig <hch@lst.de> Acked-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 10 1月, 2017 2 次提交
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由 Nicolas Iooss 提交于
msix_entries and qla82xx_msix_entries arrays are never modified in drivers/scsi/qla2xxx/qla_isr.c. Move their contents to read-only data. Signed-off-by: NNicolas Iooss <nicolas.iooss_linux@m4x.org> Reviewed-by: NBart Van Assche <bart.vanassche@sandisk.com> Acked-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Nicolas Iooss 提交于
qla24xx_enable_msix() calls scnprintf() with a non-literal format string. This makes clang report -Wformat-security warnings when compiling this function: drivers/scsi/qla2xxx/qla_isr.c:3083:7: error: format string is not a string literal (potentially insecure) [-Werror,-Wformat-security] msix_entries[i].name); ^~~~~~~~~~~~~~~~~~~~ drivers/scsi/qla2xxx/qla_isr.c:3083:7: note: treat the string as an argument to avoid this msix_entries[i].name); ^ "%s", drivers/scsi/qla2xxx/qla_isr.c:3119:7: error: format string is not a string literal (potentially insecure) [-Werror,-Wformat-security] msix_entries[QLA_ATIO_VECTOR].name); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/qla2xxx/qla_isr.c:3119:7: note: treat the string as an argument to avoid this msix_entries[QLA_ATIO_VECTOR].name); ^ "%s", Even though msix_entries[...].name are initialized as literal strings with no % character and are never modified, introduce a "%s" format parameter in order to silence this -Wformat-security warning and make clang able to detect at compile time real bugs related to string formatting. [mkp: typo] Signed-off-by: NNicolas Iooss <nicolas.iooss_linux@m4x.org> Reviewed-by: NBart Van Assche <bart.vanassche@sandisk.com> Acked-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 15 12月, 2016 3 次提交
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由 Quinn Tran 提交于
- Fix race condition between dpc_thread accessing Multiqueue resources and qla2x00_remove_one thread trying to free resource. - Fix out of order free for Multiqueue resources. Also, Multiqueue interrupts needs a workqueue. Interrupt needed to stop before the wq can be destroyed. Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NQuinn Tran <quinn.tran@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Michael Hernandez 提交于
Replaced existing multiple queue functionality with framework that allows for the creation of pairs of request and response queues, either at start of day or dynamically. Queue pair creation depend on module parameter "ql2xmqsupport", which need to be enabled to create queue pair. Signed-off-by: NSawan Chandak <sawan.chandak@cavium.com> Signed-off-by: NMichael Hernandez <michael.hernandez@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Acked-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Michael Hernandez 提交于
Replaces the old pci_enable_msi[x]* and pci_disable_msi[x] calls. Signed-off-by: NMichael Hernandez <michael.hernandez@cavium.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 10 12月, 2016 1 次提交
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由 Bart Van Assche 提交于
The following statement in qla_isr.c needs the size of struct t10_pi_tuple: spt += j; Hence include the <linux/t10-pi.h> header file. Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com> Acked-by: NHimanshu Madhani <himanshu.madhani@cavium.com>
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- 18 11月, 2016 2 次提交
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由 Johannes Thumshirn 提交于
Change FC drivers to use 'struct bsg_job' from bsg-lib.h instead of 'struct fc_bsg_job' from scsi_transport_fc.h and remove 'struct fc_bsg_job'. Signed-off-by: NJohannes Thumshirn <jthumshirn@suse.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Acked-by: NTyrel Datwyler <tyreld@linux.vnet.ibm.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Johannes Thumshirn 提交于
Don't use fc_bsg_job::request and fc_bsg_job::reply directly, but use helper variables bsg_request and bsg_reply. This will be helpful when transitioning to bsg-lib. Signed-off-by: NJohannes Thumshirn <jthumshirn@suse.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 15 9月, 2016 1 次提交
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由 Christoph Hellwig 提交于
Instead of defining a local version of it. Signed-off-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NBart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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- 16 7月, 2016 6 次提交
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由 Sawan Chandak 提交于
Signed-off-by: NSawan Chandak <sawan.chandak@qlogic.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Joe Carnuccio 提交于
Signed-off-by: NJoe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Joe Carnuccio 提交于
Signed-off-by: NJoe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Joe Carnuccio 提交于
Signed-off-by: NJoe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Joe Carnuccio 提交于
Signed-off-by: NJoe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: NHimanshu Madhani <himanshu.madhani@qlogic.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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由 Johannes Thumshirn 提交于
qla2xxx first calls request_irq() and then does the setup of the queue entry data needed in the interrupt handlers in when using MSI-X. This could lead to a NULL pointer dereference when an IRQ fires between the request_irq() call and the assignment of the qentry data structure to the rsp->msix field. A possible case for such a race would be in the kdump case when the HBA's IRQs are still enabled but the driver is undergoing a new initialisation and thus is not aware of already activated IRQs in the HBA. Signed-off-by: NJohannes Thumshirn <jthumshirn@suse.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Reviewed-by: NHimanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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