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author | Sreekanth Reddy <sreekanth.reddy@broadcom.com> | 2021-12-20 19:41:49 +0530 |
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committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-12-23 00:04:23 -0500 |
commit | c0b00a931e5e5fc143ed5563389ef72e40de9814 (patch) | |
tree | ce9806b2a1b20ed1b2fc30cc73ab7322bc2fc402 /drivers/scsi | |
parent | fe6db615156573d3f6a37564b8a590cb03bbaf25 (diff) | |
download | linux-stable-c0b00a931e5e5fc143ed5563389ef72e40de9814.tar.gz linux-stable-c0b00a931e5e5fc143ed5563389ef72e40de9814.tar.bz2 linux-stable-c0b00a931e5e5fc143ed5563389ef72e40de9814.zip |
scsi: mpi3mr: Add IOC reinit function
Add IOC reinitialization function.
Link: https://lore.kernel.org/r/20211220141159.16117-16-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_fw.c | 116 |
1 files changed, 115 insertions, 1 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index bad708af942f..ea606488de9c 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -3568,10 +3568,124 @@ out_failed_noretry: return retval; } +/** + * mpi3mr_reinit_ioc - Re-Initialize the controller + * @mrioc: Adapter instance reference + * @is_resume: Called from resume or reset path + * + * This the controller re-initialization routine, executed from + * the soft reset handler or resume callback. Creates + * operational reply queue pairs, allocate required memory for + * reply pool, sense buffer pool, issue IOC init request to the + * firmware, unmask the events and issue port enable to discover + * SAS/SATA/NVMe devices and RAID volumes. + * + * Return: 0 on success and non-zero on failure. + */ int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume) { + int retval = 0; + u8 retry = 0; + struct mpi3_ioc_facts_data facts_data; - return 0; +retry_init: + dprint_reset(mrioc, "bringing up the controller to ready state\n"); + retval = mpi3mr_bring_ioc_ready(mrioc); + if (retval) { + ioc_err(mrioc, "failed to bring to ready state\n"); + goto out_failed_noretry; + } + + if (is_resume) { + dprint_reset(mrioc, "setting up single ISR\n"); + retval = mpi3mr_setup_isr(mrioc, 1); + if (retval) { + ioc_err(mrioc, "failed to setup ISR\n"); + goto out_failed_noretry; + } + } else + mpi3mr_ioc_enable_intr(mrioc); + + dprint_reset(mrioc, "getting ioc_facts\n"); + retval = mpi3mr_issue_iocfacts(mrioc, &facts_data); + if (retval) { + ioc_err(mrioc, "failed to get ioc_facts\n"); + goto out_failed; + } + + mpi3mr_process_factsdata(mrioc, &facts_data); + + mpi3mr_print_ioc_info(mrioc); + + dprint_reset(mrioc, "sending ioc_init\n"); + retval = mpi3mr_issue_iocinit(mrioc); + if (retval) { + ioc_err(mrioc, "failed to send ioc_init\n"); + goto out_failed; + } + + dprint_reset(mrioc, "getting package version\n"); + retval = mpi3mr_print_pkg_ver(mrioc); + if (retval) { + ioc_err(mrioc, "failed to get package version\n"); + goto out_failed; + } + + if (is_resume) { + dprint_reset(mrioc, "setting up multiple ISR\n"); + retval = mpi3mr_setup_isr(mrioc, 0); + if (retval) { + ioc_err(mrioc, "failed to re-setup ISR\n"); + goto out_failed_noretry; + } + } + + dprint_reset(mrioc, "creating operational queue pairs\n"); + retval = mpi3mr_create_op_queues(mrioc); + if (retval) { + ioc_err(mrioc, "failed to create operational queue pairs\n"); + goto out_failed; + } + + if (mrioc->shost->nr_hw_queues > mrioc->num_op_reply_q) { + ioc_err(mrioc, + "cannot create minimum number of operatioanl queues expected:%d created:%d\n", + mrioc->shost->nr_hw_queues, mrioc->num_op_reply_q); + goto out_failed_noretry; + } + + dprint_reset(mrioc, "enabling events\n"); + retval = mpi3mr_enable_events(mrioc); + if (retval) { + ioc_err(mrioc, "failed to enable events\n"); + goto out_failed; + } + + ioc_info(mrioc, "sending port enable\n"); + retval = mpi3mr_issue_port_enable(mrioc, 0); + if (retval) { + ioc_err(mrioc, "failed to issue port enable\n"); + goto out_failed; + } + + ioc_info(mrioc, "controller %s completed successfully\n", + (is_resume)?"resume":"re-initialization"); + return retval; +out_failed: + if (retry < 2) { + retry++; + ioc_warn(mrioc, "retrying controller %s, retry_count:%d\n", + (is_resume)?"resume":"re-initialization", retry); + mpi3mr_memset_buffers(mrioc); + goto retry_init; + } +out_failed_noretry: + ioc_err(mrioc, "controller %s is failed\n", + (is_resume)?"resume":"re-initialization"); + mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, + MPI3MR_RESET_FROM_CTLR_CLEANUP); + mrioc->unrecoverable = 1; + return retval; } /** |