diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 770 |
1 files changed, 741 insertions, 29 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index d3052622e77a..d501bf5f806b 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1,6 +1,6 @@ /* * QLogic Fibre Channel HBA Driver - * Copyright (c) 2003-2011 QLogic Corporation + * Copyright (c) 2003-2012 QLogic Corporation * * See LICENSE.qla2xxx for copyright and licensing details. */ @@ -113,11 +113,11 @@ MODULE_PARM_DESC(ql2xfdmienable, static int ql2xmaxqdepth = MAX_Q_DEPTH; module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xmaxqdepth, - "Maximum queue depth to report for target devices."); + "Maximum queue depth to set for each LUN. " + "Default is 32."); -/* Do not change the value of this after module load */ -int ql2xenabledif = 0; -module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR); +int ql2xenabledif = 2; +module_param(ql2xenabledif, int, S_IRUGO); MODULE_PARM_DESC(ql2xenabledif, " Enable T10-CRC-DIF " " Default is 0 - No DIF Support. 1 - Enable it" @@ -1078,7 +1078,7 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, cmd->device->lun, type) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x800d, - "wait for peding cmds failed for cmd=%p.\n", cmd); + "wait for pending cmds failed for cmd=%p.\n", cmd); goto eh_reset_failed; } @@ -1177,7 +1177,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) eh_bus_reset_done: ql_log(ql_log_warn, vha, 0x802b, "BUS RESET %s nexus=%ld:%d:%d.\n", - (ret == FAILED) ? "FAILED" : "SUCCEDED", vha->host_no, id, lun); + (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun); return ret; } @@ -1357,6 +1357,9 @@ qla2xxx_slave_configure(struct scsi_device *sdev) scsi_qla_host_t *vha = shost_priv(sdev->host); struct req_que *req = vha->req; + if (IS_T10_PI_CAPABLE(vha->hw)) + blk_queue_update_dma_alignment(sdev->request_queue, 0x7); + if (sdev->tagged_supported) scsi_activate_tcq(sdev, req->max_q_depth); else @@ -1919,7 +1922,7 @@ static struct isp_operations qla82xx_isp_ops = { .nvram_config = qla81xx_nvram_config, .update_fw_options = qla24xx_update_fw_options, .load_risc = qla82xx_load_risc, - .pci_info_str = qla82xx_pci_info_str, + .pci_info_str = qla24xx_pci_info_str, .fw_version_str = qla24xx_fw_version_str, .intr_handler = qla82xx_intr_handler, .enable_intrs = qla82xx_enable_intrs, @@ -2149,7 +2152,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) scsi_qla_host_t *base_vha = NULL; struct qla_hw_data *ha; char pci_info[30]; - char fw_str[30]; + char fw_str[30], wq_name[30]; struct scsi_host_template *sht; int bars, mem_only = 0; uint16_t req_length = 0, rsp_length = 0; @@ -2203,12 +2206,14 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->mem_only = mem_only; spin_lock_init(&ha->hardware_lock); spin_lock_init(&ha->vport_slock); + mutex_init(&ha->selflogin_lock); /* Set ISP-type information. */ qla2x00_set_isp_flags(ha); /* Set EEH reset type to fundamental if required by hba */ - if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) + if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) || + IS_QLA83XX(ha)) pdev->needs_freset = 1; ha->prev_topology = 0; @@ -2318,6 +2323,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; } else if (IS_QLA83XX(ha)) { + ha->portnum = PCI_FUNC(ha->pdev->devfn); ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_24XX; @@ -2416,7 +2422,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) host->can_queue, base_vha->req, base_vha->mgmt_svr_loop_id, host->sg_tablesize); host->max_id = ha->max_fibre_devices; - host->this_id = 255; host->cmd_per_lun = 3; host->unique_id = host->host_no; if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) @@ -2499,7 +2504,7 @@ que_init: if (IS_QLA82XX(ha)) { qla82xx_idc_lock(ha); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, - QLA82XX_DEV_FAILED); + QLA8XXX_DEV_FAILED); qla82xx_idc_unlock(ha); ql_log(ql_log_fatal, base_vha, 0x00d7, "HW State: FAILED.\n"); @@ -2542,6 +2547,20 @@ que_init: */ qla2xxx_wake_dpc(base_vha); + if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) { + sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no); + ha->dpc_lp_wq = create_singlethread_workqueue(wq_name); + INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen); + + sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no); + ha->dpc_hp_wq = create_singlethread_workqueue(wq_name); + INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work); + INIT_WORK(&ha->idc_state_handler, + qla83xx_idc_state_handler_work); + INIT_WORK(&ha->nic_core_unrecoverable, + qla83xx_nic_core_unrecoverable_work); + } + skip_dpc: list_add_tail(&base_vha->list, &ha->vp_list); base_vha->host->irq = ha->pdev->irq; @@ -2557,7 +2576,7 @@ skip_dpc: if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { if (ha->fw_attributes & BIT_4) { - int prot = 0; + int prot = 0, guard; base_vha->flags.difdix_supported = 1; ql_dbg(ql_dbg_init, base_vha, 0x00f1, "Registering for DIF/DIX type 1 and 3 protection.\n"); @@ -2570,7 +2589,14 @@ skip_dpc: | SHOST_DIX_TYPE1_PROTECTION | SHOST_DIX_TYPE2_PROTECTION | SHOST_DIX_TYPE3_PROTECTION); - scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC); + + guard = SHOST_DIX_GUARD_CRC; + + if (IS_PI_IPGUARD_CAPABLE(ha) && + (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha))) + guard |= SHOST_DIX_GUARD_IP; + + scsi_host_set_guard(host, guard); } else base_vha->flags.difdix_supported = 0; } @@ -2750,6 +2776,14 @@ qla2x00_remove_one(struct pci_dev *pdev) } mutex_unlock(&ha->vport_lock); + if (IS_QLA8031(ha)) { + ql_dbg(ql_dbg_p3p, base_vha, 0xb07e, + "Clearing fcoe driver presence.\n"); + if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS) + ql_dbg(ql_dbg_p3p, base_vha, 0xb079, + "Error while clearing DRV-Presence.\n"); + } + set_bit(UNLOADING, &base_vha->dpc_flags); qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); @@ -2771,6 +2805,21 @@ qla2x00_remove_one(struct pci_dev *pdev) ha->wq = NULL; } + /* Cancel all work and destroy DPC workqueues */ + if (ha->dpc_lp_wq) { + cancel_work_sync(&ha->idc_aen); + destroy_workqueue(ha->dpc_lp_wq); + ha->dpc_lp_wq = NULL; + } + + if (ha->dpc_hp_wq) { + cancel_work_sync(&ha->nic_core_reset); + cancel_work_sync(&ha->idc_state_handler); + cancel_work_sync(&ha->nic_core_unrecoverable); + destroy_workqueue(ha->dpc_hp_wq); + ha->dpc_hp_wq = NULL; + } + /* Kill the kernel thread for this host */ if (ha->dpc_thread) { struct task_struct *t = ha->dpc_thread; @@ -2837,7 +2886,6 @@ qla2x00_free_device(scsi_qla_host_t *vha) qla2x00_stop_dpc_thread(vha); qla25xx_delete_queues(vha); - if (ha->flags.fce_enabled) qla2x00_disable_fce_trace(vha, NULL, NULL); @@ -2872,6 +2920,7 @@ void qla2x00_free_fcports(struct scsi_qla_host *vha) list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) { list_del(&fcport->list); + qla2x00_clear_loop_id(fcport); kfree(fcport); fcport = NULL; } @@ -3169,6 +3218,18 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, } INIT_LIST_HEAD(&ha->vp_list); + + /* Allocate memory for our loop_id bitmap */ + ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long), + GFP_KERNEL); + if (!ha->loop_id_map) + goto fail_async_pd; + else { + qla2x00_set_reserved_loop_ids(ha); + ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123, + "loop_id_map=%p. \n", ha->loop_id_map); + } + return 1; fail_async_pd: @@ -3280,6 +3341,10 @@ qla2x00_mem_free(struct qla_hw_data *ha) { qla2x00_free_fw_dump(ha); + if (ha->mctp_dump) + dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump, + ha->mctp_dump_dma); + if (ha->srb_mempool) mempool_destroy(ha->srb_mempool); @@ -3352,6 +3417,7 @@ qla2x00_mem_free(struct qla_hw_data *ha) kfree(ha->nvram); kfree(ha->npiv_info); kfree(ha->swl); + kfree(ha->loop_id_map); ha->srb_mempool = NULL; ha->ctx_mempool = NULL; @@ -3687,13 +3753,651 @@ void qla2x00_relogin(struct scsi_qla_host *vha) } if (fcport->login_retry == 0 && status != QLA_SUCCESS) - fcport->loop_id = FC_NO_LOOP_ID; + qla2x00_clear_loop_id(fcport); } if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; } } +/* Schedule work on any of the dpc-workqueues */ +void +qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code) +{ + struct qla_hw_data *ha = base_vha->hw; + + switch (work_code) { + case MBA_IDC_AEN: /* 0x8200 */ + if (ha->dpc_lp_wq) + queue_work(ha->dpc_lp_wq, &ha->idc_aen); + break; + + case QLA83XX_NIC_CORE_RESET: /* 0x1 */ + if (!ha->flags.nic_core_reset_hdlr_active) { + if (ha->dpc_hp_wq) + queue_work(ha->dpc_hp_wq, &ha->nic_core_reset); + } else + ql_dbg(ql_dbg_p3p, base_vha, 0xb05e, + "NIC Core reset is already active. Skip " + "scheduling it again.\n"); + break; + case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */ + if (ha->dpc_hp_wq) + queue_work(ha->dpc_hp_wq, &ha->idc_state_handler); + break; + case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */ + if (ha->dpc_hp_wq) + queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable); + break; + default: + ql_log(ql_log_warn, base_vha, 0xb05f, + "Unknow work-code=0x%x.\n", work_code); + } + + return; +} + +/* Work: Perform NIC Core Unrecoverable state handling */ +void +qla83xx_nic_core_unrecoverable_work(struct work_struct *work) +{ + struct qla_hw_data *ha = + container_of(work, struct qla_hw_data, nic_core_unrecoverable); + scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); + uint32_t dev_state = 0; + + qla83xx_idc_lock(base_vha, 0); + qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); + qla83xx_reset_ownership(base_vha); + if (ha->flags.nic_core_reset_owner) { + ha->flags.nic_core_reset_owner = 0; + qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE, + QLA8XXX_DEV_FAILED); + ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n"); + qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER); + } + qla83xx_idc_unlock(base_vha, 0); +} + +/* Work: Execute IDC state handler */ +void +qla83xx_idc_state_handler_work(struct work_struct *work) +{ + struct qla_hw_data *ha = + container_of(work, struct qla_hw_data, idc_state_handler); + scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); + uint32_t dev_state = 0; + + qla83xx_idc_lock(base_vha, 0); + qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); + if (dev_state == QLA8XXX_DEV_FAILED || + dev_state == QLA8XXX_DEV_NEED_QUIESCENT) + qla83xx_idc_state_handler(base_vha); + qla83xx_idc_unlock(base_vha, 0); +} + +int +qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha) +{ + int rval = QLA_SUCCESS; + unsigned long heart_beat_wait = jiffies + (1 * HZ); + uint32_t heart_beat_counter1, heart_beat_counter2; + + do { + if (time_after(jiffies, heart_beat_wait)) { + ql_dbg(ql_dbg_p3p, base_vha, 0xb07c, + "Nic Core f/w is not alive.\n"); + rval = QLA_FUNCTION_FAILED; + break; + } + + qla83xx_idc_lock(base_vha, 0); + qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT, + &heart_beat_counter1); + qla83xx_idc_unlock(base_vha, 0); + msleep(100); + qla83xx_idc_lock(base_vha, 0); + qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT, + &heart_beat_counter2); + qla83xx_idc_unlock(base_vha, 0); + } while (heart_beat_counter1 == heart_beat_counter2); + + return rval; +} + +/* Work: Perform NIC Core Reset handling */ +void +qla83xx_nic_core_reset_work(struct work_struct *work) +{ + struct qla_hw_data *ha = + container_of(work, struct qla_hw_data, nic_core_reset); + scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); + uint32_t dev_state = 0; + + if (IS_QLA2031(ha)) { + if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS) + ql_log(ql_log_warn, base_vha, 0xb081, + "Failed to dump mctp\n"); + return; + } + + if (!ha->flags.nic_core_reset_hdlr_active) { + if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) { + qla83xx_idc_lock(base_vha, 0); + qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, + &dev_state); + qla83xx_idc_unlock(base_vha, 0); + if (dev_state != QLA8XXX_DEV_NEED_RESET) { + ql_dbg(ql_dbg_p3p, base_vha, 0xb07a, + "Nic Core f/w is alive.\n"); + return; + } + } + + ha->flags.nic_core_reset_hdlr_active = 1; + if (qla83xx_nic_core_reset(base_vha)) { + /* NIC Core reset failed. */ + ql_dbg(ql_dbg_p3p, base_vha, 0xb061, + "NIC Core reset failed.\n"); + } + ha->flags.nic_core_reset_hdlr_active = 0; + } +} + +/* Work: Handle 8200 IDC aens */ +void +qla83xx_service_idc_aen(struct work_struct *work) +{ + struct qla_hw_data *ha = + container_of(work, struct qla_hw_data, idc_aen); + scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); + uint32_t dev_state, idc_control; + + qla83xx_idc_lock(base_vha, 0); + qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); + qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control); + qla83xx_idc_unlock(base_vha, 0); + if (dev_state == QLA8XXX_DEV_NEED_RESET) { + if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) { + ql_dbg(ql_dbg_p3p, base_vha, 0xb062, + "Application requested NIC Core Reset.\n"); + qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET); + } else if (qla83xx_check_nic_core_fw_alive(base_vha) == + QLA_SUCCESS) { + ql_dbg(ql_dbg_p3p, base_vha, 0xb07b, + "Other protocol driver requested NIC Core Reset.\n"); + qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET); + } + } else if (dev_state == QLA8XXX_DEV_FAILED || + dev_state == QLA8XXX_DEV_NEED_QUIESCENT) { + qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER); + } +} + +static void +qla83xx_wait_logic(void) +{ + int i; + + /* Yield CPU */ + if (!in_interrupt()) { + /* + * Wait about 200ms before retrying again. + * This controls the number of retries for single + * lock operation. + */ + msleep(100); + schedule(); + } else { + for (i = 0; i < 20; i++) + cpu_relax(); /* This a nop instr on i386 */ + } +} + +int +qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha) +{ + int rval; + uint32_t data; + uint32_t idc_lck_rcvry_stage_mask = 0x3; + uint32_t idc_lck_rcvry_owner_mask = 0x3c; + struct qla_hw_data *ha = base_vha->hw; + + rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data); + if (rval) + return rval; + + if ((data & idc_lck_rcvry_stage_mask) > 0) { + return QLA_SUCCESS; + } else { + data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2); + rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, + data); + if (rval) + return rval; + + msleep(200); + + rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, + &data); + if (rval) + return rval; + + if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) { + data &= (IDC_LOCK_RECOVERY_STAGE2 | + ~(idc_lck_rcvry_stage_mask)); + rval = qla83xx_wr_reg(base_vha, + QLA83XX_IDC_LOCK_RECOVERY, data); + if (rval) + return rval; + + /* Forcefully perform IDC UnLock */ + rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, + &data); + if (rval) + return rval; + /* Clear lock-id by setting 0xff */ + rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, + 0xff); + if (rval) + return rval; + /* Clear lock-recovery by setting 0x0 */ + rval = qla83xx_wr_reg(base_vha, + QLA83XX_IDC_LOCK_RECOVERY, 0x0); + if (rval) + return rval; + } else + return QLA_SUCCESS; + } + + return rval; +} + +int +qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha) +{ + int rval = QLA_SUCCESS; + uint32_t o_drv_lockid, n_drv_lockid; + unsigned long lock_recovery_timeout; + + lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT; +retry_lockid: + rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid); + if (rval) + goto exit; + + /* MAX wait time before forcing IDC Lock recovery = 2 secs */ + if (time_after_eq(jiffies, lock_recovery_timeout)) { + if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS) + return QLA_SUCCESS; + else + return QLA_FUNCTION_FAILED; + } + + rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid); + if (rval) + goto exit; + + if (o_drv_lockid == n_drv_lockid) { + qla83xx_wait_logic(); + goto retry_lockid; + } else + return QLA_SUCCESS; + +exit: + return rval; +} + +void +qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id) +{ + uint16_t options = (requester_id << 15) | BIT_6; + uint32_t data; + struct qla_hw_data *ha = base_vha->hw; + + /* IDC-lock implementation using driver-lock/lock-id remote registers */ +retry_lock: + if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data) + == QLA_SUCCESS) { + if (data) { + /* Setting lock-id to our function-number */ + qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, + ha->portnum); + } else { + ql_dbg(ql_dbg_p3p, base_vha, 0xb063, + "Failed to acquire IDC lock. retrying...\n"); + + /* Retry/Perform IDC-Lock recovery */ + if (qla83xx_idc_lock_recovery(base_vha) + == QLA_SUCCESS) { + qla83xx_wait_logic(); + goto retry_lock; + } else + ql_log(ql_log_warn, base_vha, 0xb075, + "IDC Lock recovery FAILED.\n"); + } + + } + + return; + + /* XXX: IDC-lock implementation using access-control mbx */ +retry_lock2: + if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) { + ql_dbg(ql_dbg_p3p, base_vha, 0xb072, + "Failed to acquire IDC lock. retrying...\n"); + /* Retry/Perform IDC-Lock recovery */ + if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) { + qla83xx_wait_logic(); + goto retry_lock2; + } else + ql_log(ql_log_warn, base_vha, 0xb076, + "IDC Lock recovery FAILED.\n"); + } + + return; +} + +void +qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id) +{ + uint16_t options = (requester_id << 15) | BIT_7, retry; + uint32_t data; + struct qla_hw_data *ha = base_vha->hw; + + /* IDC-unlock implementation using driver-unlock/lock-id + * remote registers + */ + retry = 0; +retry_unlock: + if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data) + == QLA_SUCCESS) { + if (data == ha->portnum) { + qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data); + /* Clearing lock-id by setting 0xff */ + qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff); + } else if (retry < 10) { + /* SV: XXX: IDC unlock retrying needed here? */ + + /* Retry for IDC-unlock */ + qla83xx_wait_logic(); + retry++; + ql_dbg(ql_dbg_p3p, base_vha, 0xb064, + "Failed to release IDC lock, retyring=%d\n", retry); + goto retry_unlock; + } + } else if (retry < 10) { + /* Retry for IDC-unlock */ + qla83xx_wait_logic(); + retry++; + ql_dbg(ql_dbg_p3p, base_vha, 0xb065, + "Failed to read drv-lockid, retyring=%d\n", retry); + goto retry_unlock; + } + + return; + + /* XXX: IDC-unlock implementation using access-control mbx */ + retry = 0; +retry_unlock2: + if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) { + if (retry < 10) { + /* Retry for IDC-unlock */ + qla83xx_wait_logic(); + retry++; + ql_dbg(ql_dbg_p3p, base_vha, 0xb066, + "Failed to release IDC lock, retyring=%d\n", retry); + goto retry_unlock2; + } + } + + return; +} + +int +__qla83xx_set_drv_presence(scsi_qla_host_t *vha) +{ + int rval = QLA_SUCCESS; + struct qla_hw_data *ha = vha->hw; + uint32_t drv_presence; + + rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); + if (rval == QLA_SUCCESS) { + drv_presence |= (1 << ha->portnum); + rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE, + drv_presence); + } + + return rval; +} + +int +qla83xx_set_drv_presence(scsi_qla_host_t *vha) +{ + int rval = QLA_SUCCESS; + + qla83xx_idc_lock(vha, 0); + rval = __qla83xx_set_drv_presence(vha); + qla83xx_idc_unlock(vha, 0); + + return rval; +} + +int +__qla83xx_clear_drv_presence(scsi_qla_host_t *vha) +{ + int rval = QLA_SUCCESS; + struct qla_hw_data *ha = vha->hw; + uint32_t drv_presence; + + rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); + if (rval == QLA_SUCCESS) { + drv_presence &= ~(1 << ha->portnum); + rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE, + drv_presence); + } + + return rval; +} + +int +qla83xx_clear_drv_presence(scsi_qla_host_t *vha) +{ + int rval = QLA_SUCCESS; + + qla83xx_idc_lock(vha, 0); + rval = __qla83xx_clear_drv_presence(vha); + qla83xx_idc_unlock(vha, 0); + + return rval; +} + +void +qla83xx_need_reset_handler(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t drv_ack, drv_presence; + unsigned long ack_timeout; + + /* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */ + ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ); + while (1) { + qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack); + qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); + if (drv_ack == drv_presence) + break; + + if (time_after_eq(jiffies, ack_timeout)) { + ql_log(ql_log_warn, vha, 0xb067, + "RESET ACK TIMEOUT! drv_presence=0x%x " + "drv_ack=0x%x\n", drv_presence, drv_ack); + /* + * The function(s) which did not ack in time are forced + * to withdraw any further participation in the IDC + * reset. + */ + if (drv_ack != drv_presence) + qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE, + drv_ack); + break; + } + + qla83xx_idc_unlock(vha, 0); + msleep(1000); + qla83xx_idc_lock(vha, 0); + } + + qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD); + ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n"); +} + +int +qla83xx_device_bootstrap(scsi_qla_host_t *vha) +{ + int rval = QLA_SUCCESS; + uint32_t idc_control; + + qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING); + ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n"); + + /* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */ + __qla83xx_get_idc_control(vha, &idc_control); + idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET; + __qla83xx_set_idc_control(vha, 0); + + qla83xx_idc_unlock(vha, 0); + rval = qla83xx_restart_nic_firmware(vha); + qla83xx_idc_lock(vha, 0); + + if (rval != QLA_SUCCESS) { + ql_log(ql_log_fatal, vha, 0xb06a, + "Failed to restart NIC f/w.\n"); + qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED); + ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n"); + } else { + ql_dbg(ql_dbg_p3p, vha, 0xb06c, + "Success in restarting nic f/w.\n"); + qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY); + ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n"); + } + + return rval; +} + +/* Assumes idc_lock always held on entry */ +int +qla83xx_idc_state_handler(scsi_qla_host_t *base_vha) +{ + struct qla_hw_data *ha = base_vha->hw; + int rval = QLA_SUCCESS; + unsigned long dev_init_timeout; + uint32_t dev_state; + + /* Wait for MAX-INIT-TIMEOUT for the device to go ready */ + dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ); + + while (1) { + + if (time_after_eq(jiffies, dev_init_timeout)) { + ql_log(ql_log_warn, base_vha, 0xb06e, + "Initialization TIMEOUT!\n"); + /* Init timeout. Disable further NIC Core + * communication. + */ + qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE, + QLA8XXX_DEV_FAILED); + ql_log(ql_log_info, base_vha, 0xb06f, + "HW State: FAILED.\n"); + } + + qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); + switch (dev_state) { + case QLA8XXX_DEV_READY: + if (ha->flags.nic_core_reset_owner) + qla83xx_idc_audit(base_vha, + IDC_AUDIT_COMPLETION); + ha->flags.nic_core_reset_owner = 0; + ql_dbg(ql_dbg_p3p, base_vha, 0xb070, + "Reset_owner reset by 0x%x.\n", + ha->portnum); + goto exit; + case QLA8XXX_DEV_COLD: + if (ha->flags.nic_core_reset_owner) + rval = qla83xx_device_bootstrap(base_vha); + else { + /* Wait for AEN to change device-state */ + qla83xx_idc_unlock(base_vha, 0); + msleep(1000); + qla83xx_idc_lock(base_vha, 0); + } + break; + case QLA8XXX_DEV_INITIALIZING: + /* Wait for AEN to change device-state */ + qla83xx_idc_unlock(base_vha, 0); + msleep(1000); + qla83xx_idc_lock(base_vha, 0); + break; + case QLA8XXX_DEV_NEED_RESET: + if (!ql2xdontresethba && ha->flags.nic_core_reset_owner) + qla83xx_need_reset_handler(base_vha); + else { + /* Wait for AEN to change device-state */ + qla83xx_idc_unlock(base_vha, 0); + msleep(1000); + qla83xx_idc_lock(base_vha, 0); + } + /* reset timeout value after need reset handler */ + dev_init_timeout = jiffies + + (ha->fcoe_dev_init_timeout * HZ); + break; + case QLA8XXX_DEV_NEED_QUIESCENT: + /* XXX: DEBUG for now */ + qla83xx_idc_unlock(base_vha, 0); + msleep(1000); + qla83xx_idc_lock(base_vha, 0); + break; + case QLA8XXX_DEV_QUIESCENT: + /* XXX: DEBUG for now */ + if (ha->flags.quiesce_owner) + goto exit; + + qla83xx_idc_unlock(base_vha, 0); + msleep(1000); + qla83xx_idc_lock(base_vha, 0); + dev_init_timeout = jiffies + + (ha->fcoe_dev_init_timeout * HZ); + break; + case QLA8XXX_DEV_FAILED: + if (ha->flags.nic_core_reset_owner) + qla83xx_idc_audit(base_vha, + IDC_AUDIT_COMPLETION); + ha->flags.nic_core_reset_owner = 0; + __qla83xx_clear_drv_presence(base_vha); + qla83xx_idc_unlock(base_vha, 0); + qla8xxx_dev_failed_handler(base_vha); + rval = QLA_FUNCTION_FAILED; + qla83xx_idc_lock(base_vha, 0); + goto exit; + case QLA8XXX_BAD_VALUE: + qla83xx_idc_unlock(base_vha, 0); + msleep(1000); + qla83xx_idc_lock(base_vha, 0); + break; + default: + ql_log(ql_log_warn, base_vha, 0xb071, + "Unknow Device State: %x.\n", dev_state); + qla83xx_idc_unlock(base_vha, 0); + qla8xxx_dev_failed_handler(base_vha); + rval = QLA_FUNCTION_FAILED; + qla83xx_idc_lock(base_vha, 0); + goto exit; + } + } + +exit: + return rval; +} + /************************************************************************** * qla2x00_do_dpc * This kernel thread is a task that is schedule by the interrupt handler @@ -3749,7 +4453,7 @@ qla2x00_do_dpc(void *data) &base_vha->dpc_flags)) { qla82xx_idc_lock(ha); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, - QLA82XX_DEV_FAILED); + QLA8XXX_DEV_FAILED); qla82xx_idc_unlock(ha); ql_log(ql_log_info, base_vha, 0x4004, "HW State: FAILED.\n"); @@ -3819,14 +4523,21 @@ qla2x00_do_dpc(void *data) if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) { ql_dbg(ql_dbg_dpc, base_vha, 0x4009, "Quiescence mode scheduled.\n"); - qla82xx_device_state_handler(base_vha); - clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags); - if (!ha->flags.quiesce_owner) { - qla2x00_perform_loop_resync(base_vha); - - qla82xx_idc_lock(ha); - qla82xx_clear_qsnt_ready(base_vha); - qla82xx_idc_unlock(ha); + if (IS_QLA82XX(ha)) { + qla82xx_device_state_handler(base_vha); + clear_bit(ISP_QUIESCE_NEEDED, + &base_vha->dpc_flags); + if (!ha->flags.quiesce_owner) { + qla2x00_perform_loop_resync(base_vha); + + qla82xx_idc_lock(ha); + qla82xx_clear_qsnt_ready(base_vha); + qla82xx_idc_unlock(ha); + } + } else { + clear_bit(ISP_QUIESCE_NEEDED, + &base_vha->dpc_flags); + qla2x00_quiesce_io(base_vha); } ql_dbg(ql_dbg_dpc, base_vha, 0x400a, "Quiescence mode end.\n"); @@ -4326,7 +5037,7 @@ uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha) qla82xx_idc_lock(ha); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, - QLA82XX_DEV_INITIALIZING); + QLA8XXX_DEV_INITIALIZING); qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION); @@ -4350,12 +5061,12 @@ uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha) "HW State: FAILED.\n"); qla82xx_clear_drv_active(ha); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, - QLA82XX_DEV_FAILED); + QLA8XXX_DEV_FAILED); } else { ql_log(ql_log_info, base_vha, 0x900c, "HW State: READY.\n"); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, - QLA82XX_DEV_READY); + QLA8XXX_DEV_READY); qla82xx_idc_unlock(ha); ha->flags.isp82xx_fw_hung = 0; rval = qla82xx_restart_isp(base_vha); @@ -4370,7 +5081,7 @@ uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha) "This devfn is not reset owner = 0x%x.\n", ha->pdev->devfn); if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) == - QLA82XX_DEV_READY)) { + QLA8XXX_DEV_READY)) { ha->flags.isp82xx_fw_hung = 0; rval = qla82xx_restart_isp(base_vha); qla82xx_idc_lock(ha); @@ -4495,6 +5206,7 @@ static struct pci_device_id qla2xxx_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) }, + { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) }, { 0 }, }; MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); |