diff options
Diffstat (limited to 'drivers/scsi/qedi/qedi_main.c')
| -rw-r--r-- | drivers/scsi/qedi/qedi_main.c | 70 |
1 files changed, 43 insertions, 27 deletions
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 832a856dd367..56685ee22fdf 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -69,6 +69,7 @@ static struct nvm_iscsi_block *qedi_get_nvram_block(struct qedi_ctx *qedi); static void qedi_recovery_handler(struct work_struct *work); static void qedi_schedule_hw_err_handler(void *dev, enum qed_hw_err_type err_type); +static int qedi_suspend(struct pci_dev *pdev, pm_message_t state); static int qedi_iscsi_event_cb(void *context, u8 fw_event_code, void *fw_handle) { @@ -368,6 +369,7 @@ static int qedi_alloc_and_init_sb(struct qedi_ctx *qedi, ret = qedi_ops->common->sb_init(qedi->cdev, sb_info, sb_virt, sb_phys, sb_id, QED_SB_TYPE_STORAGE); if (ret) { + dma_free_coherent(&qedi->pdev->dev, sizeof(*sb_virt), sb_virt, sb_phys); QEDI_ERR(&qedi->dbg_ctx, "Status block initialization failed for id = %d.\n", sb_id); @@ -618,7 +620,7 @@ static int qedi_cm_alloc_mem(struct qedi_ctx *qedi) sizeof(struct qedi_endpoint *)), GFP_KERNEL); if (!qedi->ep_tbl) return -ENOMEM; - port_id = prandom_u32() % QEDI_LOCAL_PORT_RANGE; + port_id = get_random_u32_below(QEDI_LOCAL_PORT_RANGE); if (qedi_init_id_tbl(&qedi->lcl_port_tbl, QEDI_LOCAL_PORT_RANGE, QEDI_LOCAL_PORT_MIN, port_id)) { qedi_cm_free_mem(qedi); @@ -1875,14 +1877,6 @@ void qedi_get_task_tid(struct qedi_ctx *qedi, u32 itt, s16 *tid) WARN_ON(1); } -void qedi_get_proto_itt(struct qedi_ctx *qedi, u32 tid, u32 *proto_itt) -{ - *proto_itt = qedi->itt_map[tid].itt; - QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN, - "Get itt map tid [0x%x with proto itt[0x%x]", - tid, *proto_itt); -} - struct qedi_cmd *qedi_get_cmd_from_tid(struct qedi_ctx *qedi, u32 tid) { struct qedi_cmd *cmd = NULL; @@ -1959,13 +1953,11 @@ static int qedi_cpu_online(unsigned int cpu) struct qedi_percpu_s *p = this_cpu_ptr(&qedi_percpu); struct task_struct *thread; - thread = kthread_create_on_node(qedi_percpu_io_thread, (void *)p, - cpu_to_node(cpu), - "qedi_thread/%d", cpu); + thread = kthread_create_on_cpu(qedi_percpu_io_thread, (void *)p, + cpu, "qedi_thread/%d"); if (IS_ERR(thread)) return PTR_ERR(thread); - kthread_bind(thread, cpu); p->iothread = thread; wake_up_process(thread); return 0; @@ -1976,8 +1968,9 @@ static int qedi_cpu_offline(unsigned int cpu) struct qedi_percpu_s *p = this_cpu_ptr(&qedi_percpu); struct qedi_work *work, *tmp; struct task_struct *thread; + unsigned long flags; - spin_lock_bh(&p->p_work_lock); + spin_lock_irqsave(&p->p_work_lock, flags); thread = p->iothread; p->iothread = NULL; @@ -1988,7 +1981,7 @@ static int qedi_cpu_offline(unsigned int cpu) kfree(work); } - spin_unlock_bh(&p->p_work_lock); + spin_unlock_irqrestore(&p->p_work_lock, flags); if (thread) kthread_stop(thread); return 0; @@ -2414,17 +2407,18 @@ static void __qedi_remove(struct pci_dev *pdev, int mode) int rval; u16 retry = 10; - if (mode == QEDI_MODE_NORMAL || mode == QEDI_MODE_SHUTDOWN) { - iscsi_host_remove(qedi->shost); + if (mode == QEDI_MODE_NORMAL) + iscsi_host_remove(qedi->shost, false); + else if (mode == QEDI_MODE_SHUTDOWN) + iscsi_host_remove(qedi->shost, true); + if (mode == QEDI_MODE_NORMAL || mode == QEDI_MODE_SHUTDOWN) { if (qedi->tmf_thread) { - flush_workqueue(qedi->tmf_thread); destroy_workqueue(qedi->tmf_thread); qedi->tmf_thread = NULL; } if (qedi->offload_thread) { - flush_workqueue(qedi->offload_thread); destroy_workqueue(qedi->offload_thread); qedi->offload_thread = NULL; } @@ -2449,6 +2443,9 @@ static void __qedi_remove(struct pci_dev *pdev, int mode) qedi_ops->ll2->stop(qedi->cdev); } + cancel_delayed_work_sync(&qedi->recovery_work); + cancel_delayed_work_sync(&qedi->board_disable_work); + qedi_free_iscsi_pf_param(qedi); rval = qedi_ops->common->update_drv_state(qedi->cdev, false); @@ -2493,7 +2490,7 @@ static void qedi_board_disable_work(struct work_struct *work) if (test_and_set_bit(QEDI_IN_SHUTDOWN, &qedi->flags)) return; - __qedi_remove(qedi->pdev, QEDI_MODE_SHUTDOWN); + __qedi_remove(qedi->pdev, QEDI_MODE_NORMAL); } static void qedi_shutdown(struct pci_dev *pdev) @@ -2506,6 +2503,22 @@ static void qedi_shutdown(struct pci_dev *pdev) __qedi_remove(pdev, QEDI_MODE_SHUTDOWN); } +static int qedi_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct qedi_ctx *qedi; + + if (!pdev) { + QEDI_ERR(NULL, "pdev is NULL.\n"); + return -ENODEV; + } + + qedi = pci_get_drvdata(pdev); + + QEDI_ERR(&qedi->dbg_ctx, "%s: Device does not support suspend operation\n", __func__); + + return -EPERM; +} + static int __qedi_probe(struct pci_dev *pdev, int mode) { struct qedi_ctx *qedi; @@ -2589,7 +2602,7 @@ retry_probe: sp_params.drv_minor = QEDI_DRIVER_MINOR_VER; sp_params.drv_rev = QEDI_DRIVER_REV_VER; sp_params.drv_eng = QEDI_DRIVER_ENG_VER; - strlcpy(sp_params.name, "qedi iSCSI", QED_DRV_VER_STR_SIZE); + strscpy(sp_params.name, "qedi iSCSI", QED_DRV_VER_STR_SIZE); rc = qedi_ops->common->slowpath_start(qedi->cdev, &sp_params); if (rc) { QEDI_ERR(&qedi->dbg_ctx, "Cannot start slowpath\n"); @@ -2745,7 +2758,8 @@ retry_probe: } sprintf(host_buf, "host_%d", qedi->shost->host_no); - qedi->tmf_thread = create_singlethread_workqueue(host_buf); + qedi->tmf_thread = + alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM, host_buf); if (!qedi->tmf_thread) { QEDI_ERR(&qedi->dbg_ctx, "Unable to start tmf thread!\n"); @@ -2753,8 +2767,9 @@ retry_probe: goto free_cid_que; } - sprintf(host_buf, "qedi_ofld%d", qedi->shost->host_no); - qedi->offload_thread = create_workqueue(host_buf); + qedi->offload_thread = alloc_workqueue("qedi_ofld%d", + WQ_MEM_RECLAIM | WQ_PERCPU, + 1, qedi->shost->host_no); if (!qedi->offload_thread) { QEDI_ERR(&qedi->dbg_ctx, "Unable to start offload thread!\n"); @@ -2793,7 +2808,7 @@ remove_host: #ifdef CONFIG_DEBUG_FS qedi_dbg_host_exit(&qedi->dbg_ctx); #endif - iscsi_host_remove(qedi->shost); + iscsi_host_remove(qedi->shost, false); stop_iscsi_func: qedi_ops->stop(qedi->cdev); stop_slowpath: @@ -2844,7 +2859,7 @@ static void qedi_remove(struct pci_dev *pdev) __qedi_remove(pdev, QEDI_MODE_NORMAL); } -static struct pci_device_id qedi_pci_tbl[] = { +static const struct pci_device_id qedi_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, 0x165E) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, 0x8084) }, { 0 }, @@ -2853,7 +2868,7 @@ MODULE_DEVICE_TABLE(pci, qedi_pci_tbl); static enum cpuhp_state qedi_cpuhp_state; -static struct pci_error_handlers qedi_err_handler = { +static const struct pci_error_handlers qedi_err_handler = { .error_detected = qedi_io_error_detected, }; @@ -2864,6 +2879,7 @@ static struct pci_driver qedi_pci_driver = { .remove = qedi_remove, .shutdown = qedi_shutdown, .err_handler = &qedi_err_handler, + .suspend = qedi_suspend, }; static int __init qedi_init(void) |
