diff options
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr.h | 22 | ||||
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_fw.c | 180 | ||||
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_os.c | 46 |
3 files changed, 120 insertions, 128 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 55a07f9c8807..ea5f27fa6c4a 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -185,20 +185,6 @@ enum mpi3mr_iocstate { MRIOC_STATE_UNRECOVERABLE, }; -/* Init type definitions */ -enum mpi3mr_init_type { - MPI3MR_IT_INIT = 0, - MPI3MR_IT_RESET, - MPI3MR_IT_RESUME, -}; - -/* Cleanup reason definitions */ -enum mpi3mr_cleanup_reason { - MPI3MR_COMPLETE_CLEANUP = 0, - MPI3MR_REINIT_FAILURE, - MPI3MR_SUSPEND, -}; - /* Reset reason code definitions*/ enum mpi3mr_reset_reason { MPI3MR_RESET_FROM_BRINGUP = 1, @@ -634,6 +620,7 @@ struct scmd_priv { * @ready_timeout: Controller ready timeout * @intr_info: Interrupt cookie pointer * @intr_info_count: Number of interrupt cookies + * @is_intr_info_set: Flag to indicate intr info is setup * @num_queues: Number of operational queues * @num_op_req_q: Number of operational request queues * @req_qinfo: Operational request queue info pointer @@ -743,6 +730,7 @@ struct mpi3mr_ioc { struct mpi3mr_intr_info *intr_info; u16 intr_info_count; + bool is_intr_info_set; u16 num_queues; u16 num_op_req_q; @@ -873,8 +861,9 @@ struct delayed_dev_rmhs_node { int mpi3mr_setup_resources(struct mpi3mr_ioc *mrioc); void mpi3mr_cleanup_resources(struct mpi3mr_ioc *mrioc); -int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc, u8 init_type); -void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc, u8 reason); +int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc); +int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume); +void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc); int mpi3mr_issue_port_enable(struct mpi3mr_ioc *mrioc, u8 async); int mpi3mr_admin_request_post(struct mpi3mr_ioc *mrioc, void *admin_req, u16 admin_req_sz, u8 ignore_reset); @@ -891,6 +880,7 @@ void mpi3mr_repost_sense_buf(struct mpi3mr_ioc *mrioc, u64 sense_buf_dma); void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc); +void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc); void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc, struct mpi3_event_notification_reply *event_reply); void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc, diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 163e8b98f304..bad708af942f 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -82,6 +82,7 @@ static void mpi3mr_cleanup_isr(struct mpi3mr_ioc *mrioc) kfree(mrioc->intr_info); mrioc->intr_info = NULL; mrioc->intr_info_count = 0; + mrioc->is_intr_info_set = false; pci_free_irq_vectors(mrioc->pdev); } @@ -675,6 +676,9 @@ static int mpi3mr_setup_isr(struct mpi3mr_ioc *mrioc, u8 setup_one) int i; struct irq_affinity desc = { .pre_vectors = 1}; + if (mrioc->is_intr_info_set) + return 0; + mpi3mr_cleanup_isr(mrioc); if (setup_one || reset_devices) @@ -726,6 +730,8 @@ static int mpi3mr_setup_isr(struct mpi3mr_ioc *mrioc, u8 setup_one) goto out_failed; } } + if (reset_devices || !setup_one) + mrioc->is_intr_info_set = true; mrioc->intr_info_count = max_vectors; mpi3mr_ioc_enable_intr(mrioc); return 0; @@ -1712,7 +1718,8 @@ static int mpi3mr_create_op_reply_q(struct mpi3mr_ioc *mrioc, u16 qidx) goto out_unlock; } op_reply_q->qid = reply_qid; - mrioc->intr_info[midx].op_reply_q = op_reply_q; + if (midx < mrioc->intr_info_count) + mrioc->intr_info[midx].op_reply_q = op_reply_q; out_unlock: mrioc->init_cmds.state = MPI3MR_CMD_NOTUSED; @@ -3074,6 +3081,9 @@ static int mpi3mr_alloc_chain_bufs(struct mpi3mr_ioc *mrioc) u32 sz, i; u16 num_chains; + if (mrioc->chain_sgl_list) + return retval; + num_chains = mrioc->max_host_ios / MPI3MR_CHAINBUF_FACTOR; if (prot_mask & (SHOST_DIX_TYPE0_PROTECTION @@ -3452,39 +3462,26 @@ static int mpi3mr_enable_events(struct mpi3mr_ioc *mrioc) * * Return: 0 on success and non-zero on failure. */ -int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc, u8 init_type) +int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc) { int retval = 0; + u8 retry = 0; struct mpi3_ioc_facts_data facts_data; - mrioc->irqpoll_sleep = MPI3MR_IRQ_POLL_SLEEP; - mrioc->change_count = 0; - if (init_type == MPI3MR_IT_INIT) { - mrioc->cpu_count = num_online_cpus(); - retval = mpi3mr_setup_resources(mrioc); - if (retval) { - ioc_err(mrioc, "Failed to setup resources:error %d\n", - retval); - goto out_nocleanup; - } - } - +retry_init: retval = mpi3mr_bring_ioc_ready(mrioc); if (retval) { ioc_err(mrioc, "Failed to bring ioc ready: error %d\n", retval); - goto out_failed; + goto out_failed_noretry; } - if (init_type != MPI3MR_IT_RESET) { - retval = mpi3mr_setup_isr(mrioc, 1); - if (retval) { - ioc_err(mrioc, "Failed to setup ISR error %d\n", - retval); - goto out_failed; - } - } else - mpi3mr_ioc_enable_intr(mrioc); + retval = mpi3mr_setup_isr(mrioc, 1); + if (retval) { + ioc_err(mrioc, "Failed to setup ISR error %d\n", + retval); + goto out_failed_noretry; + } retval = mpi3mr_issue_iocfacts(mrioc, &facts_data); if (retval) { @@ -3494,13 +3491,12 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc, u8 init_type) } mpi3mr_process_factsdata(mrioc, &facts_data); - if (init_type == MPI3MR_IT_INIT) { - retval = mpi3mr_check_reset_dma_mask(mrioc); - if (retval) { - ioc_err(mrioc, "Resetting dma mask failed %d\n", - retval); - goto out_failed; - } + + retval = mpi3mr_check_reset_dma_mask(mrioc); + if (retval) { + ioc_err(mrioc, "Resetting dma mask failed %d\n", + retval); + goto out_failed_noretry; } mpi3mr_print_ioc_info(mrioc); @@ -3510,16 +3506,14 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc, u8 init_type) ioc_err(mrioc, "%s :Failed to allocated reply sense buffers %d\n", __func__, retval); - goto out_failed; + goto out_failed_noretry; } - if (init_type == MPI3MR_IT_INIT) { - retval = mpi3mr_alloc_chain_bufs(mrioc); - if (retval) { - ioc_err(mrioc, "Failed to allocated chain buffers %d\n", - retval); - goto out_failed; - } + retval = mpi3mr_alloc_chain_bufs(mrioc); + if (retval) { + ioc_err(mrioc, "Failed to allocated chain buffers %d\n", + retval); + goto out_failed_noretry; } retval = mpi3mr_issue_iocinit(mrioc); @@ -3535,13 +3529,11 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc, u8 init_type) goto out_failed; } - if (init_type != MPI3MR_IT_RESET) { - retval = mpi3mr_setup_isr(mrioc, 0); - if (retval) { - ioc_err(mrioc, "Failed to re-setup ISR, error %d\n", - retval); - goto out_failed; - } + retval = mpi3mr_setup_isr(mrioc, 0); + if (retval) { + ioc_err(mrioc, "Failed to re-setup ISR, error %d\n", + retval); + goto out_failed_noretry; } retval = mpi3mr_create_op_queues(mrioc); @@ -3551,15 +3543,6 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc, u8 init_type) goto out_failed; } - if ((init_type != MPI3MR_IT_INIT) && - (mrioc->shost->nr_hw_queues > mrioc->num_op_reply_q)) { - retval = -1; - ioc_err(mrioc, - "Cannot create minimum number of OpQueues expected:%d created:%d\n", - mrioc->shost->nr_hw_queues, mrioc->num_op_reply_q); - goto out_failed; - } - retval = mpi3mr_enable_events(mrioc); if (retval) { ioc_err(mrioc, "failed to enable events %d\n", @@ -3567,26 +3550,30 @@ int mpi3mr_init_ioc(struct mpi3mr_ioc *mrioc, u8 init_type) goto out_failed; } - if (init_type != MPI3MR_IT_INIT) { - ioc_info(mrioc, "Issuing Port Enable\n"); - retval = mpi3mr_issue_port_enable(mrioc, 0); - if (retval) { - ioc_err(mrioc, "Failed to issue port enable %d\n", - retval); - goto out_failed; - } - } + ioc_info(mrioc, "controller initialization completed successfully\n"); return retval; - out_failed: - if (init_type == MPI3MR_IT_INIT) - mpi3mr_cleanup_ioc(mrioc, MPI3MR_COMPLETE_CLEANUP); - else - mpi3mr_cleanup_ioc(mrioc, MPI3MR_REINIT_FAILURE); -out_nocleanup: + if (retry < 2) { + retry++; + ioc_warn(mrioc, "retrying controller initialization, retry_count:%d\n", + retry); + mpi3mr_memset_buffers(mrioc); + goto retry_init; + } +out_failed_noretry: + ioc_err(mrioc, "controller initialization failed\n"); + mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_DIAG_FAULT, + MPI3MR_RESET_FROM_CTLR_CLEANUP); + mrioc->unrecoverable = 1; return retval; } +int mpi3mr_reinit_ioc(struct mpi3mr_ioc *mrioc, u8 is_resume) +{ + + return 0; +} + /** * mpi3mr_memset_op_reply_q_buffers - memset the operational reply queue's * segments @@ -3647,17 +3634,22 @@ void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc) { u16 i; - memset(mrioc->admin_req_base, 0, mrioc->admin_req_q_sz); - memset(mrioc->admin_reply_base, 0, mrioc->admin_reply_q_sz); - - memset(mrioc->init_cmds.reply, 0, sizeof(*mrioc->init_cmds.reply)); - memset(mrioc->host_tm_cmds.reply, 0, - sizeof(*mrioc->host_tm_cmds.reply)); - for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) - memset(mrioc->dev_rmhs_cmds[i].reply, 0, - sizeof(*mrioc->dev_rmhs_cmds[i].reply)); - memset(mrioc->removepend_bitmap, 0, mrioc->dev_handle_bitmap_sz); - memset(mrioc->devrem_bitmap, 0, mrioc->devrem_bitmap_sz); + mrioc->change_count = 0; + if (mrioc->admin_req_base) + memset(mrioc->admin_req_base, 0, mrioc->admin_req_q_sz); + if (mrioc->admin_reply_base) + memset(mrioc->admin_reply_base, 0, mrioc->admin_reply_q_sz); + + if (mrioc->init_cmds.reply) { + memset(mrioc->init_cmds.reply, 0, sizeof(*mrioc->init_cmds.reply)); + memset(mrioc->host_tm_cmds.reply, 0, + sizeof(*mrioc->host_tm_cmds.reply)); + for (i = 0; i < MPI3MR_NUM_DEVRMCMD; i++) + memset(mrioc->dev_rmhs_cmds[i].reply, 0, + sizeof(*mrioc->dev_rmhs_cmds[i].reply)); + memset(mrioc->removepend_bitmap, 0, mrioc->dev_handle_bitmap_sz); + memset(mrioc->devrem_bitmap, 0, mrioc->devrem_bitmap_sz); + } for (i = 0; i < mrioc->num_queues; i++) { mrioc->op_reply_qinfo[i].qid = 0; @@ -3686,7 +3678,7 @@ void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc) * * Return: Nothing. */ -static void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc) +void mpi3mr_free_mem(struct mpi3mr_ioc *mrioc) { u16 i; struct mpi3mr_intr_info *intr_info; @@ -3858,21 +3850,17 @@ static void mpi3mr_issue_ioc_shutdown(struct mpi3mr_ioc *mrioc) /** * mpi3mr_cleanup_ioc - Cleanup controller * @mrioc: Adapter instance reference - * @reason: Cleanup reason - * + * controller cleanup handler, Message unit reset or soft reset - * and shutdown notification is issued to the controller and the - * associated memory resources are freed. + * and shutdown notification is issued to the controller. * * Return: Nothing. */ -void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc, u8 reason) +void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc) { enum mpi3mr_iocstate ioc_state; - if (reason == MPI3MR_COMPLETE_CLEANUP) - mpi3mr_stop_watchdog(mrioc); - + dprint_exit(mrioc, "cleaning up the controller\n"); mpi3mr_ioc_disable_intr(mrioc); ioc_state = mpi3mr_get_iocstate(mrioc); @@ -3884,15 +3872,9 @@ void mpi3mr_cleanup_ioc(struct mpi3mr_ioc *mrioc, u8 reason) mpi3mr_issue_reset(mrioc, MPI3_SYSIF_HOST_DIAG_RESET_ACTION_SOFT_RESET, MPI3MR_RESET_FROM_MUR_FAILURE); - - if (reason != MPI3MR_REINIT_FAILURE) - mpi3mr_issue_ioc_shutdown(mrioc); - } - - if (reason == MPI3MR_COMPLETE_CLEANUP) { - mpi3mr_free_mem(mrioc); - mpi3mr_cleanup_resources(mrioc); + mpi3mr_issue_ioc_shutdown(mrioc); } + dprint_exit(mrioc, "controller cleanup completed\n"); } /** @@ -4071,7 +4053,7 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc, mpi3mr_flush_host_io(mrioc); mpi3mr_invalidate_devhandles(mrioc); mpi3mr_memset_buffers(mrioc); - retval = mpi3mr_init_ioc(mrioc, MPI3MR_IT_RESET); + retval = mpi3mr_reinit_ioc(mrioc, 0); if (retval) { pr_err(IOCNAME "reinit after soft reset failed: reason %d\n", mrioc->name, reset_reason); diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 2a153df0f803..e17b2c1d53ae 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -3821,21 +3821,26 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id) ioc_err(mrioc, "failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); retval = -ENODEV; - goto out_fwevtthread_failed; + goto fwevtthread_failed; } mrioc->is_driver_loading = 1; - if (mpi3mr_init_ioc(mrioc, MPI3MR_IT_INIT)) { - ioc_err(mrioc, "failure at %s:%d/%s()!\n", - __FILE__, __LINE__, __func__); + mrioc->cpu_count = num_online_cpus(); + if (mpi3mr_setup_resources(mrioc)) { + ioc_err(mrioc, "setup resources failed\n"); + retval = -ENODEV; + goto resource_alloc_failed; + } + if (mpi3mr_init_ioc(mrioc)) { + ioc_err(mrioc, "initializing IOC failed\n"); retval = -ENODEV; - goto out_iocinit_failed; + goto init_ioc_failed; } shost->nr_hw_queues = mrioc->num_op_reply_q; shost->can_queue = mrioc->max_host_ios; shost->sg_tablesize = MPI3MR_SG_DEPTH; - shost->max_id = mrioc->facts.max_perids; + shost->max_id = mrioc->facts.max_perids + 1; retval = scsi_add_host(shost, &pdev->dev); if (retval) { @@ -3848,10 +3853,14 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id) return retval; addhost_failed: - mpi3mr_cleanup_ioc(mrioc, MPI3MR_COMPLETE_CLEANUP); -out_iocinit_failed: + mpi3mr_stop_watchdog(mrioc); + mpi3mr_cleanup_ioc(mrioc); +init_ioc_failed: + mpi3mr_free_mem(mrioc); + mpi3mr_cleanup_resources(mrioc); +resource_alloc_failed: destroy_workqueue(mrioc->fwevt_worker_thread); -out_fwevtthread_failed: +fwevtthread_failed: spin_lock(&mrioc_list_lock); list_del(&mrioc->list); spin_unlock(&mrioc_list_lock); @@ -3864,6 +3873,7 @@ shost_failed: * mpi3mr_remove - PCI remove callback * @pdev: PCI device instance * + * Cleanup the IOC by issuing MUR and shutdown notification. * Free up all memory and resources associated with the * controllerand target devices, unregister the shost. * @@ -3900,7 +3910,10 @@ static void mpi3mr_remove(struct pci_dev *pdev) mpi3mr_tgtdev_del_from_list(mrioc, tgtdev); mpi3mr_tgtdev_put(tgtdev); } - mpi3mr_cleanup_ioc(mrioc, MPI3MR_COMPLETE_CLEANUP); + mpi3mr_stop_watchdog(mrioc); + mpi3mr_cleanup_ioc(mrioc); + mpi3mr_free_mem(mrioc); + mpi3mr_cleanup_resources(mrioc); spin_lock(&mrioc_list_lock); list_del(&mrioc->list); @@ -3940,7 +3953,10 @@ static void mpi3mr_shutdown(struct pci_dev *pdev) spin_unlock_irqrestore(&mrioc->fwevt_lock, flags); if (wq) destroy_workqueue(wq); - mpi3mr_cleanup_ioc(mrioc, MPI3MR_COMPLETE_CLEANUP); + + mpi3mr_stop_watchdog(mrioc); + mpi3mr_cleanup_ioc(mrioc); + mpi3mr_cleanup_resources(mrioc); } #ifdef CONFIG_PM @@ -3970,7 +3986,7 @@ static int mpi3mr_suspend(struct pci_dev *pdev, pm_message_t state) mpi3mr_cleanup_fwevt_list(mrioc); scsi_block_requests(shost); mpi3mr_stop_watchdog(mrioc); - mpi3mr_cleanup_ioc(mrioc, MPI3MR_SUSPEND); + mpi3mr_cleanup_ioc(mrioc); device_state = pci_choose_state(pdev, state); ioc_info(mrioc, "pdev=0x%p, slot=%s, entering operating state [D%d]\n", @@ -4019,7 +4035,11 @@ static int mpi3mr_resume(struct pci_dev *pdev) mrioc->stop_drv_processing = 0; mpi3mr_memset_buffers(mrioc); - mpi3mr_init_ioc(mrioc, MPI3MR_IT_RESUME); + r = mpi3mr_reinit_ioc(mrioc, 1); + if (r) { + ioc_err(mrioc, "resuming controller failed[%d]\n", r); + return r; + } scsi_unblock_requests(shost); mpi3mr_start_watchdog(mrioc); |