diff options
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_fw.c')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_fw.c | 335 |
1 files changed, 332 insertions, 3 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index e25c02466043..f1d4ea8ba989 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -15,6 +15,8 @@ mpi3mr_issue_reset(struct mpi3mr_ioc *mrioc, u16 reset_type, u32 reset_reason); static int mpi3mr_setup_admin_qpair(struct mpi3mr_ioc *mrioc); static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc, struct mpi3_ioc_facts_data *facts_data); +static void mpi3mr_pel_wait_complete(struct mpi3mr_ioc *mrioc, + struct mpi3mr_drv_cmd *drv_cmd); static int poll_queues; module_param(poll_queues, int, 0444); @@ -297,8 +299,14 @@ mpi3mr_get_drv_cmd(struct mpi3mr_ioc *mrioc, u16 host_tag, switch (host_tag) { case MPI3MR_HOSTTAG_INITCMDS: return &mrioc->init_cmds; + case MPI3MR_HOSTTAG_BSG_CMDS: + return &mrioc->bsg_cmds; case MPI3MR_HOSTTAG_BLK_TMS: return &mrioc->host_tm_cmds; + case MPI3MR_HOSTTAG_PEL_ABORT: + return &mrioc->pel_abort_cmd; + case MPI3MR_HOSTTAG_PEL_WAIT: + return &mrioc->pel_cmds; case MPI3MR_HOSTTAG_INVALID: if (def_reply && def_reply->function == MPI3_FUNCTION_EVENT_NOTIFICATION) @@ -865,10 +873,10 @@ static const struct { } mpi3mr_reset_reason_codes[] = { { MPI3MR_RESET_FROM_BRINGUP, "timeout in bringup" }, { MPI3MR_RESET_FROM_FAULT_WATCH, "fault" }, - { MPI3MR_RESET_FROM_IOCTL, "application invocation" }, + { MPI3MR_RESET_FROM_APP, "application invocation" }, { MPI3MR_RESET_FROM_EH_HOS, "error handling" }, { MPI3MR_RESET_FROM_TM_TIMEOUT, "TM timeout" }, - { MPI3MR_RESET_FROM_IOCTL_TIMEOUT, "IOCTL timeout" }, + { MPI3MR_RESET_FROM_APP_TIMEOUT, "application command timeout" }, { MPI3MR_RESET_FROM_MUR_FAILURE, "MUR failure" }, { MPI3MR_RESET_FROM_CTLR_CLEANUP, "timeout in controller cleanup" }, { MPI3MR_RESET_FROM_CIACTIV_FAULT, "component image activation fault" }, @@ -2813,6 +2821,10 @@ static int mpi3mr_alloc_reply_sense_bufs(struct mpi3mr_ioc *mrioc) if (!mrioc->init_cmds.reply) goto out_failed; + mrioc->bsg_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL); + if (!mrioc->bsg_cmds.reply) + goto out_failed; + for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) { mrioc->dev_rmhs_cmds[i].reply = kzalloc(mrioc->reply_sz, GFP_KERNEL); @@ -2831,6 +2843,14 @@ static int mpi3mr_alloc_reply_sense_bufs(struct mpi3mr_ioc *mrioc) if (!mrioc->host_tm_cmds.reply) goto out_failed; + mrioc->pel_cmds.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL); + if (!mrioc->pel_cmds.reply) + goto out_failed; + + mrioc->pel_abort_cmd.reply = kzalloc(mrioc->reply_sz, GFP_KERNEL); + if (!mrioc->pel_abort_cmd.reply) + goto out_failed; + mrioc->dev_handle_bitmap_sz = mrioc->facts.max_devhandle / 8; if (mrioc->facts.max_devhandle % 8) mrioc->dev_handle_bitmap_sz++; @@ -3728,6 +3748,18 @@ retry_init: goto out_failed; } + if (!mrioc->pel_seqnum_virt) { + dprint_init(mrioc, "allocating memory for pel_seqnum_virt\n"); + mrioc->pel_seqnum_sz = sizeof(struct mpi3_pel_seq); + mrioc->pel_seqnum_virt = dma_alloc_coherent(&mrioc->pdev->dev, + mrioc->pel_seqnum_sz, &mrioc->pel_seqnum_dma, + GFP_KERNEL); + if (!mrioc->pel_seqnum_virt) { + retval = -ENOMEM; + goto out_failed_noretry; + } + } + retval = mpi3mr_enable_events(mrioc); if (retval) { ioc_err(mrioc, "failed to enable events %d\n", @@ -3837,6 +3869,18 @@ retry_init: goto out_failed; } + if (!mrioc->pel_seqnum_virt) { + dprint_reset(mrioc, "allocating memory for pel_seqnum_virt\n"); + mrioc->pel_seqnum_sz = sizeof(struct mpi3_pel_seq); + mrioc->pel_seqnum_virt = dma_alloc_coherent(&mrioc->pdev->dev, + mrioc->pel_seqnum_sz, &mrioc->pel_seqnum_dma, + GFP_KERNEL); + if (!mrioc->pel_seqnum_virt) { + retval = -ENOMEM; + goto out_failed_noretry; + } + } + if (mrioc->shost->nr_hw_queues > mrioc->num_op_reply_q) { ioc_err(mrioc, "cannot create minimum number of operational queues expected:%d created:%d\n", @@ -3948,8 +3992,14 @@ void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc) if (mrioc->init_cmds.reply) { memset(mrioc->init_cmds.reply, 0, sizeof(*mrioc->init_cmds.reply)); + memset(mrioc->bsg_cmds.reply, 0, + sizeof(*mrioc->bsg_cmds.reply)); memset(mrioc->host_tm_cmds.reply, 0, sizeof(*mrioc->host_tm_cmds.reply)); + memset(mrioc->pel_cmds.reply, 0, + sizeof(*mrioc->pel_cmds.reply)); + memset(mrioc->pel_abort_cmd.reply, 0, + sizeof(*mrioc->pel_abort_cmd.reply)); for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) memset(mrioc->dev_rmhs_cmds[i].reply, 0, sizeof(*mrioc->dev_rmhs_cmds[i].reply)); @@ -4050,9 +4100,18 @@ void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc) kfree(mrioc->init_cmds.reply); mrioc->init_cmds.reply = NULL; + kfree(mrioc->bsg_cmds.reply); + mrioc->bsg_cmds.reply = NULL; + kfree(mrioc->host_tm_cmds.reply); mrioc->host_tm_cmds.reply = NULL; + kfree(mrioc->pel_cmds.reply); + mrioc->pel_cmds.reply = NULL; + + kfree(mrioc->pel_abort_cmd.reply); + mrioc->pel_abort_cmd.reply = NULL; + for (i = 0; i < MPI3MR_NUM_EVTACKCMD; i++) { kfree(mrioc->evtack_cmds[i].reply); mrioc->evtack_cmds[i].reply = NULL; @@ -4101,6 +4160,16 @@ void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc) mrioc->admin_req_base, mrioc->admin_req_dma); mrioc->admin_req_base = NULL; } + + if (mrioc->pel_seqnum_virt) { + dma_free_coherent(&mrioc->pdev->dev, mrioc->pel_seqnum_sz, + mrioc->pel_seqnum_virt, mrioc->pel_seqnum_dma); + mrioc->pel_seqnum_virt = NULL; + } + + kfree(mrioc->logdata_buf); + mrioc->logdata_buf = NULL; + } /** @@ -4235,6 +4304,8 @@ static void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc) cmdptr = &mrioc->init_cmds; mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); + cmdptr = &mrioc->bsg_cmds; + mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); cmdptr = &mrioc->host_tm_cmds; mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); @@ -4247,6 +4318,254 @@ static void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc) cmdptr = &mrioc->evtack_cmds[i]; mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); } + + cmdptr = &mrioc->pel_cmds; + mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); + + cmdptr = &mrioc->pel_abort_cmd; + mpi3mr_drv_cmd_comp_reset(mrioc, cmdptr); + +} + +/** + * mpi3mr_pel_wait_post - Issue PEL Wait + * @mrioc: Adapter instance reference + * @drv_cmd: Internal command tracker + * + * Issue PEL Wait MPI request through admin queue and return. + * + * Return: Nothing. + */ +static void mpi3mr_pel_wait_post(struct mpi3mr_ioc *mrioc, + struct mpi3mr_drv_cmd *drv_cmd) +{ + struct mpi3_pel_req_action_wait pel_wait; + + mrioc->pel_abort_requested = false; + + memset(&pel_wait, 0, sizeof(pel_wait)); + drv_cmd->state = MPI3MR_CMD_PENDING; + drv_cmd->is_waiting = 0; + drv_cmd->callback = mpi3mr_pel_wait_complete; + drv_cmd->ioc_status = 0; + drv_cmd->ioc_loginfo = 0; + pel_wait.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_PEL_WAIT); + pel_wait.function = MPI3_FUNCTION_PERSISTENT_EVENT_LOG; + pel_wait.action = MPI3_PEL_ACTION_WAIT; + pel_wait.starting_sequence_number = cpu_to_le32(mrioc->pel_newest_seqnum); + pel_wait.locale = cpu_to_le16(mrioc->pel_locale); + pel_wait.class = cpu_to_le16(mrioc->pel_class); + pel_wait.wait_time = MPI3_PEL_WAITTIME_INFINITE_WAIT; + dprint_bsg_info(mrioc, "sending pel_wait seqnum(%d), class(%d), locale(0x%08x)\n", + mrioc->pel_newest_seqnum, mrioc->pel_class, mrioc->pel_locale); + + if (mpi3mr_admin_request_post(mrioc, &pel_wait, sizeof(pel_wait), 0)) { + dprint_bsg_err(mrioc, + "Issuing PELWait: Admin post failed\n"); + drv_cmd->state = MPI3MR_CMD_NOTUSED; + drv_cmd->callback = NULL; + drv_cmd->retry_count = 0; + mrioc->pel_enabled = false; + } +} + +/** + * mpi3mr_pel_get_seqnum_post - Issue PEL Get Sequence number + * @mrioc: Adapter instance reference + * @drv_cmd: Internal command tracker + * + * Issue PEL get sequence number MPI request through admin queue + * and return. + * + * Return: 0 on success, non-zero on failure. + */ +int mpi3mr_pel_get_seqnum_post(struct mpi3mr_ioc *mrioc, + struct mpi3mr_drv_cmd *drv_cmd) +{ + struct mpi3_pel_req_action_get_sequence_numbers pel_getseq_req; + u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST; + int retval = 0; + + memset(&pel_getseq_req, 0, sizeof(pel_getseq_req)); + mrioc->pel_cmds.state = MPI3MR_CMD_PENDING; + mrioc->pel_cmds.is_waiting = 0; + mrioc->pel_cmds.ioc_status = 0; + mrioc->pel_cmds.ioc_loginfo = 0; + mrioc->pel_cmds.callback = mpi3mr_pel_get_seqnum_complete; + pel_getseq_req.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_PEL_WAIT); + pel_getseq_req.function = MPI3_FUNCTION_PERSISTENT_EVENT_LOG; + pel_getseq_req.action = MPI3_PEL_ACTION_GET_SEQNUM; + mpi3mr_add_sg_single(&pel_getseq_req.sgl, sgl_flags, + mrioc->pel_seqnum_sz, mrioc->pel_seqnum_dma); + + retval = mpi3mr_admin_request_post(mrioc, &pel_getseq_req, + sizeof(pel_getseq_req), 0); + if (retval) { + if (drv_cmd) { + drv_cmd->state = MPI3MR_CMD_NOTUSED; + drv_cmd->callback = NULL; + drv_cmd->retry_count = 0; + } + mrioc->pel_enabled = false; + } + + return retval; +} + +/** + * mpi3mr_pel_wait_complete - PELWait Completion callback + * @mrioc: Adapter instance reference + * @drv_cmd: Internal command tracker + * + * This is a callback handler for the PELWait request and + * firmware completes a PELWait request when it is aborted or a + * new PEL entry is available. This sends AEN to the application + * and if the PELwait completion is not due to PELAbort then + * this will send a request for new PEL Sequence number + * + * Return: Nothing. + */ +static void mpi3mr_pel_wait_complete(struct mpi3mr_ioc *mrioc, + struct mpi3mr_drv_cmd *drv_cmd) +{ + struct mpi3_pel_reply *pel_reply = NULL; + u16 ioc_status, pe_log_status; + bool do_retry = false; + + if (drv_cmd->state & MPI3MR_CMD_RESET) + goto cleanup_drv_cmd; + + ioc_status = drv_cmd->ioc_status & MPI3_IOCSTATUS_STATUS_MASK; + if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { + ioc_err(mrioc, "%s: Failed ioc_status(0x%04x) Loginfo(0x%08x)\n", + __func__, ioc_status, drv_cmd->ioc_loginfo); + dprint_bsg_err(mrioc, + "pel_wait: failed with ioc_status(0x%04x), log_info(0x%08x)\n", + ioc_status, drv_cmd->ioc_loginfo); + do_retry = true; + } + + if (drv_cmd->state & MPI3MR_CMD_REPLY_VALID) + pel_reply = (struct mpi3_pel_reply *)drv_cmd->reply; + + if (!pel_reply) { + dprint_bsg_err(mrioc, + "pel_wait: failed due to no reply\n"); + goto out_failed; + } + + pe_log_status = le16_to_cpu(pel_reply->pe_log_status); + if ((pe_log_status != MPI3_PEL_STATUS_SUCCESS) && + (pe_log_status != MPI3_PEL_STATUS_ABORTED)) { + ioc_err(mrioc, "%s: Failed pe_log_status(0x%04x)\n", + __func__, pe_log_status); + dprint_bsg_err(mrioc, + "pel_wait: failed due to pel_log_status(0x%04x)\n", + pe_log_status); + do_retry = true; + } + + if (do_retry) { + if (drv_cmd->retry_count < MPI3MR_PEL_RETRY_COUNT) { + drv_cmd->retry_count++; + dprint_bsg_err(mrioc, "pel_wait: retrying(%d)\n", + drv_cmd->retry_count); + mpi3mr_pel_wait_post(mrioc, drv_cmd); + return; + } + dprint_bsg_err(mrioc, + "pel_wait: failed after all retries(%d)\n", + drv_cmd->retry_count); + goto out_failed; + } + atomic64_inc(&event_counter); + if (!mrioc->pel_abort_requested) { + mrioc->pel_cmds.retry_count = 0; + mpi3mr_pel_get_seqnum_post(mrioc, &mrioc->pel_cmds); + } + + return; +out_failed: + mrioc->pel_enabled = false; +cleanup_drv_cmd: + drv_cmd->state = MPI3MR_CMD_NOTUSED; + drv_cmd->callback = NULL; + drv_cmd->retry_count = 0; +} + +/** + * mpi3mr_pel_get_seqnum_complete - PELGetSeqNum Completion callback + * @mrioc: Adapter instance reference + * @drv_cmd: Internal command tracker + * + * This is a callback handler for the PEL get sequence number + * request and a new PEL wait request will be issued to the + * firmware from this + * + * Return: Nothing. + */ +void mpi3mr_pel_get_seqnum_complete(struct mpi3mr_ioc *mrioc, + struct mpi3mr_drv_cmd *drv_cmd) +{ + struct mpi3_pel_reply *pel_reply = NULL; + struct mpi3_pel_seq *pel_seqnum_virt; + u16 ioc_status; + bool do_retry = false; + + pel_seqnum_virt = (struct mpi3_pel_seq *)mrioc->pel_seqnum_virt; + + if (drv_cmd->state & MPI3MR_CMD_RESET) + goto cleanup_drv_cmd; + + ioc_status = drv_cmd->ioc_status & MPI3_IOCSTATUS_STATUS_MASK; + if (ioc_status != MPI3_IOCSTATUS_SUCCESS) { + dprint_bsg_err(mrioc, + "pel_get_seqnum: failed with ioc_status(0x%04x), log_info(0x%08x)\n", + ioc_status, drv_cmd->ioc_loginfo); + do_retry = true; + } + + if (drv_cmd->state & MPI3MR_CMD_REPLY_VALID) + pel_reply = (struct mpi3_pel_reply *)drv_cmd->reply; + if (!pel_reply) { + dprint_bsg_err(mrioc, + "pel_get_seqnum: failed due to no reply\n"); + goto out_failed; + } + + if (le16_to_cpu(pel_reply->pe_log_status) != MPI3_PEL_STATUS_SUCCESS) { + dprint_bsg_err(mrioc, + "pel_get_seqnum: failed due to pel_log_status(0x%04x)\n", + le16_to_cpu(pel_reply->pe_log_status)); + do_retry = true; + } + + if (do_retry) { + if (drv_cmd->retry_count < MPI3MR_PEL_RETRY_COUNT) { + drv_cmd->retry_count++; + dprint_bsg_err(mrioc, + "pel_get_seqnum: retrying(%d)\n", + drv_cmd->retry_count); + mpi3mr_pel_get_seqnum_post(mrioc, drv_cmd); + return; + } + + dprint_bsg_err(mrioc, + "pel_get_seqnum: failed after all retries(%d)\n", + drv_cmd->retry_count); + goto out_failed; + } + mrioc->pel_newest_seqnum = le32_to_cpu(pel_seqnum_virt->newest) + 1; + drv_cmd->retry_count = 0; + mpi3mr_pel_wait_post(mrioc, drv_cmd); + + return; +out_failed: + mrioc->pel_enabled = false; +cleanup_drv_cmd: + drv_cmd->state = MPI3MR_CMD_NOTUSED; + drv_cmd->callback = NULL; + drv_cmd->retry_count = 0; } /** @@ -4258,7 +4577,7 @@ static void mpi3mr_flush_drv_cmds(struct mpi3mr_ioc *mrioc) * This is an handler for recovering controller by issuing soft * reset are diag fault reset. This is a blocking function and * when one reset is executed if any other resets they will be - * blocked. All IOCTLs/IO will be blocked during the reset. If + * blocked. All BSG requests will be blocked during the reset. If * controller reset is successful then the controller will be * reinitalized, otherwise the controller will be marked as not * recoverable @@ -4305,6 +4624,7 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc, mpi3mr_reset_rc_name(reset_reason)); mrioc->reset_in_progress = 1; + mrioc->stop_bsgs = 1; mrioc->prev_reset_result = -1; if ((!snapdump) && (reset_reason != MPI3MR_RESET_FROM_FAULT_WATCH) && @@ -4369,6 +4689,12 @@ out: if (!retval) { mrioc->diagsave_timeout = 0; mrioc->reset_in_progress = 0; + mrioc->pel_abort_requested = 0; + if (mrioc->pel_enabled) { + mrioc->pel_cmds.retry_count = 0; + mpi3mr_pel_wait_post(mrioc, &mrioc->pel_cmds); + } + mpi3mr_rfresh_tgtdevs(mrioc); mrioc->ts_update_counter = 0; spin_lock_irqsave(&mrioc->watchdog_lock, flags); @@ -4377,6 +4703,9 @@ out: &mrioc->watchdog_work, msecs_to_jiffies(MPI3MR_WATCHDOG_INTERVAL)); spin_unlock_irqrestore(&mrioc->watchdog_lock, flags); + mrioc->stop_bsgs = 0; + if (mrioc->pel_enabled) + atomic64_inc(&event_counter); } else { mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, reset_reason); |