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path: root/drivers/scsi/fnic
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2025-06-19scsi: fnic: Fix missing DMA mapping error in fnic_send_frame()Thomas Fourier
dma_map_XXX() can fail and should be tested for errors with dma_mapping_error(). Fixes: a63e78eb2b0f ("scsi: fnic: Add support for fabric based solicited requests and responses") Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com> Link: https://lore.kernel.org/r/20250618065715.14740-2-fourier.thomas@gmail.com Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com> Reviewed-by: John Menghini <jmeneghi@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-06-19scsi: fnic: Set appropriate logging level for log messageKaran Tilak Kumar
Replace KERN_INFO with KERN_DEBUG for a log message. Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/stable/20250612002212.4144-1-kartilak%40cisco.com Link: https://lore.kernel.org/r/20250618003431.6314-4-kartilak@cisco.com Reviewed-by: John Meneghini <jmeneghi@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-06-19scsi: fnic: Add and improve logs in FDMI and FDMI ABTS pathsKaran Tilak Kumar
Add logs in FDMI and FDMI ABTS paths. Modify log text in these paths. Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Reviewed-by: John Meneghini <jmeneghi@redhat.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250618003431.6314-3-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-06-19scsi: fnic: Turn off FDMI ACTIVE flags on link downKaran Tilak Kumar
When the link goes down and comes up, FDMI requests are not sent out anymore. Fix bug by turning off FNIC_FDMI_ACTIVE when the link goes down. Fixes: 09c1e6ab4ab2 ("scsi: fnic: Add and integrate support for FDMI") Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Tested-by: Karan Tilak Kumar <kartilak@cisco.com> Cc: stable@vger.kernel.org Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250618003431.6314-2-kartilak@cisco.com Reviewed-by: John Meneghini <jmeneghi@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-06-19scsi: fnic: Fix crash in fnic_wq_cmpl_handler when FDMI times outKaran Tilak Kumar
When both the RHBA and RPA FDMI requests time out, fnic reuses a frame to send ABTS for each of them. On send completion, this causes an attempt to free the same frame twice that leads to a crash. Fix crash by allocating separate frames for RHBA and RPA, and modify ABTS logic accordingly. Tested by checking MDS for FDMI information. Tested by using instrumented driver to: - Drop PLOGI response - Drop RHBA response - Drop RPA response - Drop RHBA and RPA response - Drop PLOGI response + ABTS response - Drop RHBA response + ABTS response - Drop RPA response + ABTS response - Drop RHBA and RPA response + ABTS response for both of them Fixes: 09c1e6ab4ab2 ("scsi: fnic: Add and integrate support for FDMI") Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Tested-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Tested-by: Karan Tilak Kumar <kartilak@cisco.com> Cc: stable@vger.kernel.org Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250618003431.6314-1-kartilak@cisco.com Reviewed-by: John Meneghini <jmeneghi@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-06-08treewide, timers: Rename from_timer() to timer_container_of()Ingo Molnar
Move this API to the canonical timer_*() namespace. [ tglx: Redone against pre rc1 ] Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/aB2X0jCKQO56WdMt@gmail.com
2025-05-20scsi: fnic: Replace memset() with eth_zero_addr()Chen Ni
Use eth_zero_addr() to assign the zero address to the given address array instead of memset() when second argument is address of zero. Signed-off-by: Chen Ni <nichen@iscas.ac.cn> Link: https://lore.kernel.org/r/20250519085457.918720-1-nichen@iscas.ac.cn Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-04-05treewide: Switch/rename to timer_delete[_sync]()Thomas Gleixner
timer_delete[_sync]() replaces del_timer[_sync](). Convert the whole tree over and remove the historical wrapper inlines. Conversion was done with coccinelle plus manual fixups where necessary. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2025-03-17scsi: fnic: Remove unnecessary NUL-terminationsThorsten Blum
strscpy_pad() already NUL-terminates 'data' at the corresponding indexes. Remove any unnecessary NUL-terminations. No functional changes intended. Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Link: https://lore.kernel.org/r/20250314221626.43174-2-thorsten.blum@linux.dev Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-03-17scsi: fnic: Remove redundant flush_workqueue() callsChen Ni
destroy_workqueue() already drains the queue before destroying it, so there is no need to flush it explicitly. Remove the redundant flush_workqueue() calls. This was generated with coccinelle: @@ expression E; @@ - flush_workqueue(E); destroy_workqueue(E); Signed-off-by: Chen Ni <nichen@iscas.ac.cn> Link: https://lore.kernel.org/r/20250312074320.1430175-1-nichen@iscas.ac.cn Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-03-03scsi: fnic: Remove unnecessary spinlock locking and unlockingKaran Tilak Kumar
Remove unnecessary locking and unlocking of spinlock in fdls_schedule_oxid_free_retry_work(). This will shorten the time in the critical section. Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Fixes: a63e78eb2b0f ("scsi: fnic: Add support for fabric based solicited requests and responses") Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Tested-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250301013712.3115-2-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-03-03scsi: fnic: Replace fnic->lock_flags with local flagsKaran Tilak Kumar
Replace fnic->lock_flags with local variable for usage with spinlocks in fdls_schedule_oxid_free_retry_work(). Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Fixes: a63e78eb2b0f ("scsi: fnic: Add support for fabric based solicited requests and responses") Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250301013712.3115-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-03-03scsi: fnic: Replace use of sizeof with standard usageKaran Tilak Kumar
Remove cast and replace use of sizeof(struct) with standard usage of sizeof. Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Fixes: a63e78eb2b0f ("scsi: fnic: Add support for fabric based solicited requests and responses") Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250225215056.4899-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-03-03scsi: fnic: Fix indentation and remove unnecessary parenthesisKaran Tilak Kumar
Fix indentation in fdls_disc.c to fix kernel test robot warnings. Remove unnecessary parentheses to fix checkpatch check. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/r/202502141403.1PcpwyJp-lkp@intel.com/ Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/r/202502141403.1PcpwyJp-lkp@intel.com/ Fixes: a63e78eb2b0f ("scsi: fnic: Add support for fabric based solicited requests and responses") Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250225215013.4875-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-03-03scsi: fnic: Remove unnecessary debug printKaran Tilak Kumar
Remove unnecessary debug print from fdls_schedule_oxid_free_retry_work. As suggested by Dan, this information is already present in stack traces, and the kernel is not expected to fail small allocations. Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Fixes: a63e78eb2b0f ("scsi: fnic: Add support for fabric based solicited requests and responses") Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250225214909.4853-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-26Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
Pull SCSI updates from James Bottomley: "Updates to the usual drivers (ufs, lpfc, fnic, qla2xx, mpi3mr). The major core change is the renaming of the slave_ methods plus a bit of constification. The rest are minor updates and fixes" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (103 commits) scsi: fnic: Propagate SCSI error code from fnic_scsi_drv_init() scsi: fnic: Test for memory allocation failure and return error code scsi: fnic: Return appropriate error code from failure of scsi drv init scsi: fnic: Return appropriate error code for mem alloc failure scsi: fnic: Remove always-true IS_FNIC_FCP_INITIATOR macro scsi: fnic: Fix use of uninitialized value in debug message scsi: fnic: Delete incorrect debugfs error handling scsi: fnic: Remove unnecessary else to fix warning in FDLS FIP scsi: fnic: Remove extern definition from .c files scsi: fnic: Remove unnecessary else and unnecessary break in FDLS scsi: mpi3mr: Fix possible crash when setting up bsg fails scsi: ufs: bsg: Set bsg_queue to NULL after removal scsi: ufs: bsg: Delete bsg_dev when setting up bsg fails scsi: st: Don't set pos_unknown just after device recognition scsi: aic7xxx: Fix build 'aicasm' warning scsi: Revert "scsi: ufs: core: Probe for EXT_IID support" scsi: storvsc: Ratelimit warning logs to prevent VM denial of service scsi: scsi_debug: Constify sdebug_driver_template scsi: documentation: Corrections for struct updates scsi: driver-api: documentation: Change what is added to docbook ...
2025-01-14Merge patch series "Introduce support for Fabric Discovery and Login Services"Martin K. Petersen
Karan Tilak Kumar <kartilak@cisco.com> says: Hi Martin, reviewers, This cover letter describes the feature: add support for Fabric Discovery and Login Services (FDLS) to fnic driver. This functionality is needed to support port channel RSCN (PC-RSCN) handling and serves as a base to create FC-NVME initiators (planned later), and eCPU handling (planned later). It is used to discover the fabric and target ports associated with the fabric. It will then login to the target ports that are zoned to it. The driver uses the tport structure presented by FDLS. Port channel RSCN is a Cisco vendor specific RSCN event. It is applicable only to Cisco UCS fabrics. In cases where the eCPU in the UCS VIC (Unified Computing Services Virtual Interface Card) hangs, a fabric log out is sent to the fabric. Upon successful log out from the fabric, the IO path is failed over to a new path. Generally from a feature perspective, the code is divided into adding support for this functionality initially. Then, code has been added to modify the IO path and interfaces. Finally, support for port channel RSCN handling has been added. Here are the headers of some of the salient patches: o add headers and definitions for FDLS o add support for fabric based solicited requests and responses o add support for target based solicited requests and responses o add support for unsolicited requests and responses o add support for FDMI o add support for FIP o add functionality in fnic to support FDLS o modify IO path to use FDLS and tport o modify fnic interfaces to use FDLS o add support to handle port channel RSCN Even though the patches have been made into a series, some patches are heavier than others. But, every effort has been made to keep the purpose of each patch as a single-purpose, and to compile cleanly. All the individual patches compile cleanly. The compiler used is GCC 13.3. Some function calls have been coded as placeholders with appropriate comments to avoid compiler warnings. This patchset has been tested as a whole. Therefore, the tested-by fields have been added only to one patch in the set. I've refrained from adding tested-by to most of the patches, so as to not mislead the reviewer/reader. A brief note on the unit tests: o. Perform zone in zone out testing in a loop: remove a target port from the zone, add it to the zone in a loop. 1000+ iterations of this test have been successful. o. Configure multipathing, and run link flaps on single link. IOs drop briefly, but pick up as expected. o. Configure multipathing, and run link flaps on two links, with a 30 second delay in between. IOs drop briefly, but pick up as expected. o. Module load/unload test. o. Repeat the above tests with 1 queue and 64 queues. All tests were successful. Please consider this patch series for the next merge window. Link: https://lore.kernel.org/r/20241212020312.4786-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-10scsi: fnic: Propagate SCSI error code from fnic_scsi_drv_init()Arun Easi
Propagate scsi_add_host() error instead of returning -1. Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250110091956.17749-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-10scsi: fnic: Test for memory allocation failure and return error codeKaran Tilak Kumar
Fix kernel test robot warning. Test for memory allocation failure, and free memory for queues allocated in a multiqueue and non-multiqueue scenario. Return appropriate error code. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/r/202412312347.FE4ZgEoM-lkp@intel.com/ Reported-by: Julia Lawall <julia.lawall@inria.fr> Closes: https://lore.kernel.org/r/202412312347.FE4ZgEoM-lkp@intel.com/ Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250110091924.17729-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-10scsi: fnic: Return appropriate error code from failure of scsi drv initKaran Tilak Kumar
Return appropriate error code from fnic_probe caused by failure of fnic_scsi_drv_init. Fix bug report. Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250110091842.17711-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-10scsi: fnic: Return appropriate error code for mem alloc failureKaran Tilak Kumar
Return appropriate error code from fnic_probe when memory create slab pool fails. Fix bug report. Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250110091746.17671-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-10scsi: fnic: Remove always-true IS_FNIC_FCP_INITIATOR macroArun Easi
IS_FNIC_FCP_INITIATOR macro is not applicable at this time. Delete the macro. Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250110091655.17643-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-10scsi: fnic: Fix use of uninitialized value in debug messageDheeraj Reddy Jonnalagadda
The oxid variable in fdls_process_abts_req() was only being initialized inside the if (tport) block, but was being used in a debug print statement after that block. If tport was NULL, oxid would remain uninitialized. Move the oxid initialization to happen at declaration using FNIC_STD_GET_OX_ID(fchdr). Fixes: f828af44b8dd ("scsi: fnic: Add support for unsolicited requests and responses") Closes: https://scan7.scan.coverity.com/#/project-view/52337/11354?selectedIssue=1602772 Signed-off-by: Dheeraj Reddy Jonnalagadda <dheeraj.linuxdev@gmail.com> Link: https://lore.kernel.org/r/20250108050916.52721-1-dheeraj.linuxdev@gmail.com Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-10scsi: fnic: Delete incorrect debugfs error handlingDan Carpenter
Debugfs functions are not supposed to require error checking and, in fact, adding checks would normally lead to the driver refusing to load when CONFIG_DEBUGFS is disabled. What saves us here is that this code checks for NULL instead of error pointers so the error checking is all dead code. Delete it. Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/r/a5c237cd-449b-4f9d-bcff-6285fb7c28d1@stanley.mountain Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-10scsi: fnic: Remove unnecessary else to fix warning in FDLS FIPKaran Tilak Kumar
Implement review comments from Martin: Remove unnecessary else from fip.c to fix a warning. Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250106224451.3597-3-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-10scsi: fnic: Remove extern definition from .c filesKaran Tilak Kumar
Implement review comments from Martin: Remove extern definition of fnic_fip_queue from .c files Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250106224451.3597-2-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-10scsi: fnic: Remove unnecessary else and unnecessary break in FDLSKaran Tilak Kumar
Incorporate review comments from Martin: Remove unnecessary else and unnecessary break to fix warnings in the FDLS code. Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20250106224451.3597-1-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Increment driver versionKaran Tilak Kumar
Increment driver version to 1.8.0.0 Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Tested-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-16-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Add support to handle port channel RSCNKaran Tilak Kumar
Add support to handle port channel RSCN. Port channel RSCN is a Cisco vendor specific RSCN event. It is applicable only to Cisco UCS fabrics. If there's a change in the port channel configuration, an RCSN is sent to fnic. This is used to serially reset the scsi initiator fnics so that there's no all paths down scenario. The affected fnics are added to a list that are reset with a small time gap between them. Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-15-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Code cleanupKaran Tilak Kumar
Replace existing host structure with fnic host. Add headers from scsi to support new functionality. Remove unused code and declarations. Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-14-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Add stats and related functionalityKaran Tilak Kumar
Add statistics and related functionality for FDLS. Add supporting functions to display stats. Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-13-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Modify fnic interfaces to use FDLSKaran Tilak Kumar
Modify fnic driver interfaces to use FDLS and supporting functions. Refactor code in fnic_probe and fnic_remove. Get fnic from shost_priv. Add error handling in stats processing functions. Modify some print statements. Add support to do module unload cleanup. Use placeholder functions/modify function declarations to not break compilation. Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-12-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Modify IO path to use FDLSKaran Tilak Kumar
Modify IO path to use FDLS. Add helper functions to process IOs. Remove unused template functions. Clean up obsolete code. Refactor old function definitions. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202410210147.fQp7tYeb-lkp@intel.com/ Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-11-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Add functionality in fnic to support FDLSKaran Tilak Kumar
Add interfaces in fnic to use FDLS services. Modify link up and link down functionality to use FDLS. Replace existing interfaces to handle new functionality provided by FDLS. Modify data types of some data members to handle new functionality. Add processing of tports and handling of tports. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202409292037.ZYWZwIK6-lkp@intel.com/ Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Co-developed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Gian Carlo Boffa <gcboffa@cisco.com> Co-developed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Signed-off-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-10-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Add and integrate support for FIPKaran Tilak Kumar
Add and integrate support for FCoE Initialization (protocol) FIP. This protocol will be exercised on Cisco UCS rack servers. Add support to specifically print FIP related debug messages. Replace existing definitions to handle new data structures. Clean up old and obsolete definitions. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202409291955.FcMZfNSt-lkp@intel.com/ Closes: https://lore.kernel.org/oe-kbuild-all/202412081904.pXwdx15J-lkp@intel.com/ Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Co-developed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Gian Carlo Boffa <gcboffa@cisco.com> Co-developed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Signed-off-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-9-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Add and integrate support for FDMIKaran Tilak Kumar
Add support for Fabric-Device Management Interface (FDMI) by introducing PCI device IDs for Cisco Hardware. Introduce a module parameter to enable/disable FDMI support. Integrate support for FDMI. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202406110734.p2v8dq9v-lkp@intel.com/ Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Co-developed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Gian Carlo Boffa <gcboffa@cisco.com> Co-developed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Signed-off-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-8-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Add Cisco hardware model namesKaran Tilak Kumar
Add model IDs for Cisco VIC. Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Co-developed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Gian Carlo Boffa <gcboffa@cisco.com> Co-developed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Signed-off-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-7-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Add support for unsolicited requests and responsesKaran Tilak Kumar
Add support for unsolicited requests and responses. Add support to accept and reject frames. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202409291705.MugERX98-lkp@intel.com/ Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Co-developed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Gian Carlo Boffa <gcboffa@cisco.com> Co-developed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Signed-off-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-6-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Add support for target based solicited requests and responsesKaran Tilak Kumar
Add support for target based solicited requests and responses. Add support for tport definitions and processing. Add support for restarting the IT nexus. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202406120146.xchlZbqX-lkp@intel.com/ Closes: https://lore.kernel.org/oe-kbuild-all/202412081427.SlsFIJY4-lkp@intel.com/ Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Co-developed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Gian Carlo Boffa <gcboffa@cisco.com> Co-developed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Signed-off-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-5-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Add support for fabric based solicited requests and responsesKaran Tilak Kumar
Add fdls_disc.c to support fabric based solicited requests and responses. Clean up obsolete code but keep the function template so as to not break compilation. Remove duplicate definitions from header files. Modify definitions of data members. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202406112309.8GiDUvIM-lkp@intel.com/ Closes: https://lore.kernel.org/oe-kbuild-all/202406120201.VakI9Dly-lkp@intel.com/ Closes: https://lore.kernel.org/oe-kbuild-all/202412080837.2JU0r2Ny-lkp@intel.com/ Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Co-developed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Gian Carlo Boffa <gcboffa@cisco.com> Co-developed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Signed-off-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-4-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Add headers and definitions for FDLSKaran Tilak Kumar
Add headers and definitions for FDLS (Fabric Discovery and Login Services). Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Co-developed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Gian Carlo Boffa <gcboffa@cisco.com> Co-developed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Signed-off-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-3-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2025-01-02scsi: fnic: Replace shost_printk() with dev_info()/dev_err()Karan Tilak Kumar
Sending host information to shost_printk() prior to host initialization in fnic is unnecessary. Replace shost_printk() and a printk() prior to this initialization with dev_info() and dev_err() accordingly. Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-2-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-12-23scsi: replace blk_mq_pci_map_queues with blk_mq_map_hw_queuesDaniel Wagner
Replace all users of blk_mq_pci_map_queues with the more generic blk_mq_map_hw_queues. This in preparation to retire blk_mq_pci_map_queues. Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: John Garry <john.g.garry@oracle.com> Signed-off-by: Daniel Wagner <wagi@kernel.org> Link: https://lore.kernel.org/r/20241202-refactor-blk-affinity-helpers-v6-5-27211e9c2cd5@kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-12-09scsi: Constify struct pci_device_idChristophe JAILLET
'struct pci_device_id' is not modified in these drivers. Constifying this structure moves some data to a read-only section, so increase overall security. On a x86_64, with allmodconfig, as an example: Before: ====== text data bss dec hex filename 70237 9137 320 79694 1374e drivers/scsi/3w-9xxx.o After: ===== text data bss dec hex filename 70461 8913 320 79694 1374e drivers/scsi/3w-9xxx.o Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/fc61b1946488c1ea8f7a17a06cf40fbd05dcc6de.1733590049.git.christophe.jaillet@wanadoo.fr Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-12-04Merge patch series "Replace the "slave_*" function names"Martin K. Petersen
Bart Van Assche <bvanassche@acm.org> says: Hi Martin, The text "slave_" in multiple function names does not make it clear what the purpose of these functions is. Hence this patch series that renames all SCSI functions that have the word "slave" in their function name. Please consider this patch series for the next merge window. Thanks, Bart. Link: https://lore.kernel.org/r/20241022180839.2712439-1-bvanassche@acm.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-12-04scsi: Rename .slave_alloc() and .slave_destroy()Bart Van Assche
Rename .slave_alloc() into .sdev_init() and .slave_destroy() into .sdev_destroy(). The new names make it clear that these are actions on SCSI devices. Make this change in the SCSI core, SCSI drivers and also in the ATA drivers. No functionality has been changed. This patch has been created as follows: * Change the text "slave_alloc" into "sdev_init" in all source files except those in drivers/net/ and Documentation/. * Change the text "slave_destroy" into "sdev_destroy" in all source files except those in drivers/net/ and Documentation/. * Rename lpfc_no_slave() into lpfc_no_sdev(). * Manually adjust whitespace where necessary to restore vertical alignment (dc395x driver and include/linux/libata.h). Acked-by: Damien Le Moal <dlemoal@kernel.org> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20241022180839.2712439-2-bvanassche@acm.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-12-04scsi: fnic: Use vcalloc() instead of vmalloc() and memset(0)Thorsten Blum
Use vcalloc() instead of vmalloc() followed by memset(0) to simplify the functions fnic_trace_buf_init() and fnic_fc_trace_init(). Compile-tested only. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Link: https://lore.kernel.org/r/20241107104300.1252-1-thorsten.blum@linux.dev Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-10-03scsi: fnic: Move flush_work initialization out of if blockMartin Wilck
After commit 379a58caa199 ("scsi: fnic: Move fnic_fnic_flush_tx() to a work queue"), it can happen that a work item is sent to an uninitialized work queue. This may has the effect that the item being queued is never actually queued, and any further actions depending on it will not proceed. The following warning is observed while the fnic driver is loaded: kernel: WARNING: CPU: 11 PID: 0 at ../kernel/workqueue.c:1524 __queue_work+0x373/0x410 kernel: <IRQ> kernel: queue_work_on+0x3a/0x50 kernel: fnic_wq_copy_cmpl_handler+0x54a/0x730 [fnic 62fbff0c42e7fb825c60a55cde2fb91facb2ed24] kernel: fnic_isr_msix_wq_copy+0x2d/0x60 [fnic 62fbff0c42e7fb825c60a55cde2fb91facb2ed24] kernel: __handle_irq_event_percpu+0x36/0x1a0 kernel: handle_irq_event_percpu+0x30/0x70 kernel: handle_irq_event+0x34/0x60 kernel: handle_edge_irq+0x7e/0x1a0 kernel: __common_interrupt+0x3b/0xb0 kernel: common_interrupt+0x58/0xa0 kernel: </IRQ> It has been observed that this may break the rediscovery of Fibre Channel devices after a temporary fabric failure. This patch fixes it by moving the work queue initialization out of an if block in fnic_probe(). Signed-off-by: Martin Wilck <mwilck@suse.com> Fixes: 379a58caa199 ("scsi: fnic: Move fnic_fnic_flush_tx() to a work queue") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240930133014.71615-1-mwilck@suse.com Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-08-22scsi: Expand all create*_workqueue() invocationsBart Van Assche
The workqueue maintainer wants to remove the create*_workqueue() macros because these macros always set the WQ_MEM_RECLAIM flag and because these only support literal workqueue names. Hence this patch that replaces the create*_workqueue() invocations with the definition of this macro. The WQ_MEM_RECLAIM flag has been retained because I think that flag is necessary for workqueues created by storage drivers. This patch has been generated by running spatch and git clang-format. spatch has been invoked as follows: spatch --in-place --sp-file expand-create-workqueue.spatch $(git grep -lEw 'create_(freezable_|singlethread_|)workqueue' */scsi */ufs) The contents of the expand-create-workqueue.spatch file is as follows: @@ expression name; @@ -create_workqueue(name) +alloc_workqueue("%s", WQ_MEM_RECLAIM, 1, name) @@ expression name; @@ -create_freezable_workqueue(name) +alloc_workqueue("%s", WQ_FREEZABLE | WQ_UNBOUND | WQ_MEM_RECLAIM, 1, name) @@ expression name; @@ -create_singlethread_workqueue(name) +alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, name) Reviewed-by: Peter Wang <peter.wang@mediatek.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20240822195944.654691-2-bvanassche@acm.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-03-16Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
Pull SCSI updates from James Bottomley: "Only a couple of driver updates this time (lpfc and mpt3sas) plus the usual assorted minor fixes and updates. The major core update is a set of patches moving retries out of the drivers and into the core" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (84 commits) scsi: core: Constify the struct device_type usage scsi: libfc: replace deprecated strncpy() with memcpy() scsi: lpfc: Replace deprecated strncpy() with strscpy() scsi: bfa: Fix function pointer type mismatch for state machines scsi: bfa: Fix function pointer type mismatch for hcb_qe->cbfn scsi: bfa: Remove additional unnecessary struct declarations scsi: csiostor: Avoid function pointer casts scsi: qla1280: Remove redundant assignment to variable 'mr' scsi: core: Make scsi_bus_type const scsi: core: Really include kunit tests with SCSI_LIB_KUNIT_TEST scsi: target: tcm_loop: Make tcm_loop_lld_bus const scsi: scsi_debug: Make pseudo_lld_bus const scsi: iscsi: Make iscsi_flashnode_bus const scsi: fcoe: Make fcoe_bus_type const scsi: lpfc: Copyright updates for 14.4.0.0 patches scsi: lpfc: Update lpfc version to 14.4.0.0 scsi: lpfc: Change lpfc_vport load_flag member into a bitmask scsi: lpfc: Change lpfc_vport fc_flag member into a bitmask scsi: lpfc: Protect vport fc_nodes list with an explicit spin lock scsi: lpfc: Change nlp state statistic counters into atomic_t ...
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-03 02:46:57 +0000