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2022-09-25scsi: mpi3mr: Remove unnecessary castJules Irenge1-2/+1
coccinelle reports a warning: WARNING: casting value returned by memory allocation function to (struct mpi3mr_throttle_group_info *) is useless To fix this, the unnecessary cast is removed. Link: https://lore.kernel.org/r/Yx+kp8NxHvDHs7dv@playground Signed-off-by: Jules Irenge <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-25scsi: mpi3mr: Update driver version to 8.2.0.3.0Sreekanth Reddy1-2/+2
Update driver version to 8.2.0.3.0. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-25scsi: mpi3mr: Fix scheduling while atomic type bugSreekanth Reddy2-6/+5
Fix 'scheduling while atomic' type bug, which is observed when pci_irq_vector() is called from interrupt context. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-25scsi: mpi3mr: Scan the devices during resume timeSreekanth Reddy3-5/+9
Scan the target devices during system resume time and add or remove the target device with the SML if the corresponding target device is newly added or removed respectively. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-25scsi: mpi3mr: Free enclosure objects during driver unloadSreekanth Reddy3-0/+24
Free the enclosure device objects during driver unload and before rescanning the target devices during controller reset. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-25scsi: mpi3mr: Handle 0xF003 Fault CodeSreekanth Reddy1-1/+2
Handle the 0xF003 controller fault code as a special case by marking the controller as unrecoverable with logging a message indicating the driver marks the controller as unrecoverable due to the specific fault. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-25scsi: mpi3mr: Graceful handling of surprise removal of PCIe HBASreekanth Reddy3-8/+145
Implement graceful handling of surprise or orderly removal of PCIe HBA: - Detect a hot removal of the controller at certain critical places in the driver. Early detection will help to reduce the time taken for cleaning up the hot-removed controller at the driver level. - Poll the status of the port enable issued after reset once every 5 seconds to avoid a long delay in detecting unavailable controller. Link: https://lore.kernel.org/r/[email protected] Reported-by: kernel test robot <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-25scsi: mpi3mr: Schedule IRQ kthreads only on non-RT kernelsSreekanth Reddy1-1/+15
In RT kernels, the IRQ handler's code is executed as a kernel thread. Modify the driver to avoid explicitly scheduling the IRQ kernel thread. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-25scsi: mpi3mr: Support new power management frameworkSreekanth Reddy1-20/+13
Switch to the new generic PCI power management framework. Also, remove unnecessary calls to the PCI helper functions (such as pci_set_power_state(), pci_enable_wake(), pci_save_state(), pci_restore_state() etc). Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-25scsi: mpi3mr: Update mpi3 header filesSreekanth Reddy7-52/+165
Update the mpi3 header files. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-15scsi: mpi3mr: Fix error code in mpi3mr_transport_smp_handler()Dan Carpenter1-2/+4
The error code from mpi3mr_post_transport_req() is supposed to be passed to bsg_job_done(job, rc, reslen), but it isn't. Link: https://lore.kernel.org/r/YyMISJzVDARpVwrr@kili Fixes: 176d4aa69c6e ("scsi: mpi3mr: Support SAS transport class callbacks") Acked-by: Sathya Prakash Veerichetty <[email protected]> Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-09-15scsi: mpi3mr: Fix error codes in mpi3mr_report_manufacture()Dan Carpenter1-26/+32
There are three error paths which return success: 1) Propagate the error code from mpi3mr_post_transport_req() if it fails. 2) Return -EINVAL if "ioc_status != MPI3_IOCSTATUS_SUCCESS". 3) Return -EINVAL if "le16_to_cpu(mpi_reply.response_data_length) != sizeof(struct rep_manu_reply)" Link: https://lore.kernel.org/r/YyMIJh1HU2Qz9+Rs@kili Fixes: 2bd37e284914 ("scsi: mpi3mr: Add framework to issue MPT transport cmds") Acked-by: Sathya Prakash Veerichetty <[email protected]> Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-31scsi: mpi3mr: Block I/Os while refreshing target dev objectsSreekanth Reddy1-10/+15
Block the I/Os on the target devices until corresponding target device's target dev objects are refreshed as part of post controller reset operation. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-31scsi: mpi3mr: Refresh SAS ports during soft resetSreekanth Reddy4-1/+421
Update the host's SAS ports if there is change in port id or phys. If the port id is changed, then the driver updates it. If some phys are enabled/disabled during reset, then driver updates them in STL. Check for the responding expander devices and update the device handle if it got changed. Register the expander with STL if it got added during reset and unregister the expander device if it got removed during reset. [mkp: include fix for zeroday warning] Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Support SAS transport class callbacksSreekanth Reddy4-2/+914
Add support for the following SAS transport class callbacks: - get_linkerrors - get_enclosure_identifier - get_bay_identifier - phy_reset - phy_enable - set_phy_speed - smp_handler Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Add framework to issue MPT transport cmdsSreekanth Reddy4-1/+249
Add framework to issue MPT transport commands to controllers. Also issue the MPT transport commands to get the manufacturing info of SAS expander device. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Add SAS SATA end devices to STLSreekanth Reddy3-17/+235
Register/unregister the SAS, SATA devices to SCSI Transport Layer(STL) whenever the corresponding device is added/removed from topology. Link: https://lore.kernel.org/r/[email protected] Reported-by: kernel test robot <[email protected]> Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Get target object based on rphySreekanth Reddy4-10/+86
When device is registered with the STL then get the corresponding device's target object using the rphy in below callback functions: - mpi3mr_target_alloc() - mpi3mr_slave_alloc() - mpi3mr_slave_configure() - mpi3mr_slave_destroy() Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Add expander devices to STLSreekanth Reddy3-9/+432
Register/unregister the expander devices to SCSI Transport Layer(STL) whenever the corresponding expander is added/removed from topology. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Enable STL on HBAs where multipath is disabledSreekanth Reddy3-4/+46
Register the SAS, SATA devices to SCSI Transport Layer (STL) only if multipath capability is disabled in the controller's firmware. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Add helper functions to manage device's portSreekanth Reddy3-1/+539
Add the following helper functions: - Update the host phys with STL - Remove the device's SAS port with STL Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Add helper functions to retrieve device objectsSreekanth Reddy3-0/+295
Add the following helper functions: - Get the device's sas address by reading corresponding device's Device page0 - Get the expander object from expander list based on expander's handle - Get the target device object from target device list based on device's sas address - Get the expander device object from expander list based on expanders's sas address - Get hba port object from hba port table list based on port's port id Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Add framework to add phys to STLSreekanth Reddy3-0/+524
Add framework to register and unregister the host and expander phys with SCSI Transport Layer (STL). Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Enable Enclosure device add eventSreekanth Reddy3-2/+154
Enable and process the Enclosure device add event. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Add helper functions to retrieve config pagesSreekanth Reddy2-0/+621
Add helper functions to retrieve below controller's config pages: - SAS IOUnit Page0 - SAS IOUnit Page1 - Driver Page1 - Device Page0 - SAS Phy Page0 - SAS Phy Page1 - SAS Expander Page0 - SAS Expander Page1 - Enclosure Page0 Also add the helper function to set SAS IOUnit Page1. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Add framework to issue config requestsSreekanth Reddy3-0/+282
Add framework to issue config requests commands to controller firmware. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22scsi: mpi3mr: Add config and transport related debug flagsSreekanth Reddy1-0/+27
Add config and transport request related error & info debug flags and functions. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-08-22block: Change the return type of blk_mq_map_queues() into voidBart Van Assche1-4/+1
Since blk_mq_map_queues() and the .map_queues() callbacks always return 0, change their return type into void. Most callers ignore the returned value anyway. Cc: Christoph Hellwig <[email protected]> Cc: Jason Wang <[email protected]> Cc: Keith Busch <[email protected]> Cc: Martin K. Petersen <[email protected]> Cc: Doug Gilbert <[email protected]> Cc: Michael S. Tsirkin <[email protected]> Signed-off-by: Bart Van Assche <[email protected]> Reviewed-by: John Garry <[email protected]> Acked-by: Md Haris Iqbal <[email protected]> Reviewed-by: Sagi Grimberg <[email protected]> Link: https://lore.kernel.org/r/[email protected] [axboe: fold in fix from Bart] Signed-off-by: Jens Axboe <[email protected]>
2022-08-04Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds3-11/+420
Pull SCSI updates from James Bottomley: "Updates to the usual drivers (ufs, qla2xx, target, lpfc, smartpqi, mpi3mr). The main driver change that might cause issues on down the road is the conversion of some of our oldest surviving drivers to the DMA API (should only affect m68k). The only major core change is the rework of async resume; the rest are either completely trivial or for updating deprecated APIs" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (195 commits) scsi: target: Remove XDWRITEREAD emulated support scsi: megaraid: Remove the static variable initialisation scsi: ch: Do not initialise statics to 0 scsi: ufs: core: Fix spelling mistake "Cannnot" -> "Cannot" scsi: target: iscsi: Do not require target authentication scsi: target: iscsi: Allow AuthMethod=None scsi: target: iscsi: Support base64 in CHAP scsi: target: iscsi: Add support for extended CDB AHS scsi: ufs: dt-bindings: Add SC8280XP binding scsi: target: iscsi: Fix clang -Wformat warnings scsi: ufs: core: Read device property for ref clock scsi: libsas: Resume SAS host for phy reset or enable via sysfs scsi: hisi_sas: Modify v3 HW SATA completion error processing scsi: hisi_sas: Relocate DMA unmap of SMP task scsi: hisi_sas: Remove unnecessary variable to hold DMA map elements scsi: hisi_sas: Call hisi_sas_slave_configure() from slave_configure_v3_hw() scsi: mpi3mr: Delete a stray tab scsi: mpi3mr: Unlock on error path scsi: mpi3mr: Reduce VD queue depth on detecting throttling scsi: mpi3mr: Resource Based Metering ...
2022-07-18scsi: mpi3mr: Delete a stray tabDan Carpenter1-1/+1
This code is indented one more tab than it should be. Link: https://lore.kernel.org/r/YtVCFshEJNC7ELid@kili Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-07-18scsi: mpi3mr: Unlock on error pathDan Carpenter1-1/+2
There is some clean up necessary before returning. Smatch complains: drivers/scsi/mpi3mr/mpi3mr_fw.c:4786 mpi3mr_soft_reset_handler() warn: inconsistent returns '&mrioc->reset_mutex'. Locked on : 4730 Unlocked on: 4786 Link: https://lore.kernel.org/r/YtVCEsxMU8buuMjP@kili Fixes: f10af057325c ("scsi: mpi3mr: Resource Based Metering") Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-07-18scsi: mpi3mr: Reduce VD queue depth on detecting throttlingSreekanth Reddy3-0/+136
Reduce the VD queue depth on detecting the throttling condition. [mkp: incorporate fix for pointer cast issue reported by the test robot and Guenter Roeck] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-07-18scsi: mpi3mr: Resource Based MeteringSreekanth Reddy3-10/+280
Update driver to track cumulative pending large data size at the controller level and at the throttle group level. When one of the values meet or exceed the controller's firmware-determined high threshold value, then the driver will divert future selective I/O to the firmware. Once both controller level and at the throttle group level cumulative pending large data size reach controller's firmware determined low threshold value, then the driver will stop diverting I/Os to the firmware. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-07-07scsi: mpi3mr: Increase cmd_per_lun to 128Sreekanth Reddy1-1/+1
Increase cmd_per_lun to 128. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-07-07scsi: mpi3mr: Enable shared host tagsetSreekanth Reddy1-0/+2
Enable shared host tagset to make sure that total outstanding I/O count can not exceed controller's can_queue setting. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-07-06blk-mq: Drop 'reserved' arg of busy_tag_iter_fnJohn Garry1-12/+4
We no longer use the 'reserved' arg in busy_tag_iter_fn for any iter function so it may be dropped. Signed-off-by: John Garry <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Reviewed-by: Sagi Grimberg <[email protected]> #nvme Reviewed-by: Bart Van Assche <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]>
2022-06-01scsi: mpi3mr: Fix kernel-docJiapeng Chong1-1/+1
Fix the following W=1 kernel warnings: drivers/scsi/mpi3mr/mpi3mr_app.c:1706: warning: expecting prototype for adapter_state_show(). Prototype was for adp_state_show() instead. Link: https://lore.kernel.org/r/[email protected] Reported-by: Abaci Robot <[email protected]> Signed-off-by: Jiapeng Chong <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-06-01scsi: mpi3mr: Rework mrioc->bsg_device model to fix warningsSumit Saxena2-27/+23
During driver unload, mrioc->bsg_device reference count becomes negative. Also, as reported in [1], the driver's bsg_device model had few more bugs. Fix all these up. [1] https://marc.info/?l=linux-scsi&m=165183971411991&w=2 Link: https://lore.kernel.org/r/[email protected] Fixes: 4268fa751365 ("scsi: mpi3mr: Add bsg device support") Reported-by: Dan Carpenter <[email protected]> Tested-by: Tomas Henzl <[email protected]> Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-19scsi: mpi3mr: Add target device related sysfs attributesSreekanth Reddy3-0/+122
Add sysfs attributes for exposing target device details such as SAS address, firmware device handle, and persistent ID for the controller-attached devices and RAID volumes. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-19scsi: mpi3mr: Add shost related sysfs attributesSreekanth Reddy1-2/+141
Add shost related sysfs attributes to display the controller's firmware version, queue depth, number of requests, and number of reply queues. Also add an attribute to set & get the logging_level. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-19scsi: mpi3mr: Return error if dma_alloc_coherent() failsDan Carpenter1-2/+6
Return -ENOMEM instead of success if dma_alloc_coherent() fails. Link: https://lore.kernel.org/r/YnOmMGHqCOtUCYQ1@kili Fixes: 43ca11005098 ("scsi: mpi3mr: Add support for PEL commands") Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-16scsi: mpi3mr: Fix a NULL vs IS_ERR() bug in mpi3mr_bsg_init()Dan Carpenter1-1/+1
The bsg_setup_queue() function does not return NULL. It returns error pointers. Fix the check accordingly. Link: https://lore.kernel.org/r/YnUf7RQl+A3tigWh@kili Fixes: 4268fa751365 ("scsi: mpi3mr: Add bsg device support") Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-10scsi: mpi3mr: Return I/Os to an unrecoverable HBA with DID_ERRORSreekanth Reddy1-0/+6
Complete all new I/O requests issued to an unrecoverable controller with DID_ERROR status instead of returning the I/O requests with SCSI_MLQUEUE_HOST_BUSY. This will prevent the infinite retries of the new I/Os when a controller is in an unrecoverable state. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-10scsi: mpi3mr: Hidden drives not removed during soft resetSreekanth Reddy1-3/+5
If any drive is missing during reset, the driver checks whether the device is exposed to the OS. If it is, then it removes the device from the OS and its own internal list. For hidden devices, even if they are found as missing during reset, the driver is not removing them from its internal list. Modify driver to remove hidden devices from the driver's target device list if they are missing during soft reset. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-10scsi: mpi3mr: Increase I/O timeout value to 60sSreekanth Reddy2-0/+7
Set each SCSI device's default I/O timeout and default error handling I/O timeout to 60s. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sreekanth Reddy <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-02scsi: mpi3mr: Update driver version to 8.0.0.69.0Sumit Saxena1-2/+2
Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-02scsi: mpi3mr: Add support for NVMe passthroughSumit Saxena2-3/+370
Add support for management applications to send an MPI3 Encapsulated NVMe passthru command to the NVMe devices attached to an Avenger controller. Since the NVMe drives are exposed as SCSI devices by the controller, the standard NVMe applications cannot be used to interact with the drives and the command sets supported are also limited by the controller firmware. Special handling is required for MPI3 Encapsulated NVMe passthru commands for PRP/SGL setup in the commands. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-02scsi: mpi3mr: Expose adapter state to sysfsSumit Saxena3-1/+48
Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-02scsi: mpi3mr: Add support for PEL commandsSumit Saxena4-1/+592
Implement driver support for management applications to enable persistent event log (PEL) notifications. Upon receipt of events, the driver will increment a sysfs variable named event_counter. The management application will poll for event_counter value changes and signal the application about events. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2022-05-02scsi: mpi3mr: Add support for MPT commandsSumit Saxena4-3/+574
There are certain management commands which require firmware intervention. These commands are termed MPT commands. Add support for them. Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Himanshu Madhani <[email protected]> Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
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