diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 75 |
1 files changed, 56 insertions, 19 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index abcd30917263..762229d495a8 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -338,6 +338,13 @@ static void qla2x00_free_device(scsi_qla_host_t *); static int qla2xxx_map_queues(struct Scsi_Host *shost); static void qla2x00_destroy_deferred_work(struct qla_hw_data *); +u32 ql2xnvme_queues = DEF_NVME_HW_QUEUES; +module_param(ql2xnvme_queues, uint, S_IRUGO); +MODULE_PARM_DESC(ql2xnvme_queues, + "Number of NVMe Queues that can be configured.\n" + "Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n" + "1 - Minimum number of queues supported\n" + "8 - Default value"); static struct scsi_transport_template *qla2xxx_transport_template = NULL; struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; @@ -728,9 +735,10 @@ void qla2x00_sp_compl(srb_t *sp, int res) struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct completion *comp = sp->comp; - sp->free(sp); + /* kref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); cmd->result = res; - CMD_SP(cmd) = NULL; + sp->type = 0; scsi_done(cmd); if (comp) complete(comp); @@ -819,9 +827,10 @@ void qla2xxx_qpair_sp_compl(srb_t *sp, int res) struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct completion *comp = sp->comp; - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); cmd->result = res; - CMD_SP(cmd) = NULL; + sp->type = 0; scsi_done(cmd); if (comp) complete(comp); @@ -919,12 +928,11 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) goto qc24_target_busy; sp = scsi_cmd_priv(cmd); + /* ref: INIT */ qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport); sp->u.scmd.cmd = cmd; sp->type = SRB_SCSI_CMD; - - CMD_SP(cmd) = (void *)sp; sp->free = qla2x00_sp_free_dma; sp->done = qla2x00_sp_compl; @@ -938,7 +946,8 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) return 0; qc24_host_busy_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); qc24_target_busy: return SCSI_MLQUEUE_TARGET_BUSY; @@ -1008,11 +1017,11 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd, goto qc24_target_busy; sp = scsi_cmd_priv(cmd); + /* ref: INIT */ qla2xxx_init_sp(sp, vha, qpair, fcport); sp->u.scmd.cmd = cmd; sp->type = SRB_SCSI_CMD; - CMD_SP(cmd) = (void *)sp; sp->free = qla2xxx_qpair_sp_free_dma; sp->done = qla2xxx_qpair_sp_compl; @@ -1026,7 +1035,8 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd, return 0; qc24_host_busy_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); qc24_target_busy: return SCSI_MLQUEUE_TARGET_BUSY; @@ -1057,6 +1067,7 @@ qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd) unsigned long wait_iter = ABORT_WAIT_ITER; scsi_qla_host_t *vha = shost_priv(cmd->device->host); struct qla_hw_data *ha = vha->hw; + srb_t *sp = scsi_cmd_priv(cmd); int ret = QLA_SUCCESS; if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) { @@ -1065,10 +1076,9 @@ qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd) return ret; } - while (CMD_SP(cmd) && wait_iter--) { + while (sp->type && wait_iter--) msleep(ABORT_POLLING_PERIOD); - } - if (CMD_SP(cmd)) + if (sp->type) ret = QLA_FUNCTION_FAILED; return ret; @@ -3748,8 +3758,7 @@ qla2x00_unmap_iobases(struct qla_hw_data *ha) if (ha->mqiobase) iounmap(ha->mqiobase); - if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) && - ha->msixbase) + if (ha->msixbase) iounmap(ha->msixbase); } } @@ -3891,6 +3900,8 @@ qla24xx_free_purex_list(struct purex_list *list) spin_lock_irqsave(&list->lock, flags); list_for_each_entry_safe(item, next, &list->head, list) { list_del(&item->list); + if (item == &item->vha->default_item) + continue; kfree(item); } spin_unlock_irqrestore(&list->lock, flags); @@ -4949,7 +4960,6 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, INIT_LIST_HEAD(&vha->work_list); INIT_LIST_HEAD(&vha->list); INIT_LIST_HEAD(&vha->qla_cmd_list); - INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list); INIT_LIST_HEAD(&vha->logo_list); INIT_LIST_HEAD(&vha->plogi_ack_list); INIT_LIST_HEAD(&vha->qp_list); @@ -5527,6 +5537,11 @@ void qla2x00_relogin(struct scsi_qla_host *vha) ea.fcport = fcport; qla24xx_handle_relogin_event(vha, &ea); } else if (vha->hw->current_topology == + ISP_CFG_NL && + IS_QLA2XXX_MIDTYPE(vha->hw)) { + (void)qla24xx_fcport_handle_login(vha, + fcport); + } else if (vha->hw->current_topology == ISP_CFG_NL) { fcport->login_retry--; status = @@ -7199,7 +7214,7 @@ skip: return do_heartbeat; } -static void qla_heart_beat(struct scsi_qla_host *vha) +static void qla_heart_beat(struct scsi_qla_host *vha, u16 dpc_started) { struct qla_hw_data *ha = vha->hw; @@ -7209,8 +7224,19 @@ static void qla_heart_beat(struct scsi_qla_host *vha) if (vha->hw->flags.eeh_busy || qla2x00_chip_is_down(vha)) return; - if (qla_do_heartbeat(vha)) + /* + * dpc thread cannot run if heartbeat is running at the same time. + * We also do not want to starve heartbeat task. Therefore, do + * heartbeat task at least once every 5 seconds. + */ + if (dpc_started && + time_before(jiffies, ha->last_heartbeat_run_jiffies + 5 * HZ)) + return; + + if (qla_do_heartbeat(vha)) { + ha->last_heartbeat_run_jiffies = jiffies; queue_work(ha->wq, &ha->heartbeat_work); + } } /************************************************************************** @@ -7401,6 +7427,8 @@ qla2x00_timer(struct timer_list *t) start_dpc++; } + /* borrowing w to signify dpc will run */ + w = 0; /* Schedule the DPC routine if needed */ if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) || @@ -7433,9 +7461,10 @@ qla2x00_timer(struct timer_list *t) test_bit(RELOGIN_NEEDED, &vha->dpc_flags), test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags)); qla2xxx_wake_dpc(vha); + w = 1; } - qla_heart_beat(vha); + qla_heart_beat(vha, w); qla2x00_restart_timer(vha, WATCH_INTERVAL); } @@ -7633,7 +7662,7 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) switch (state) { case pci_channel_io_normal: - ha->flags.eeh_busy = 0; + qla_pci_set_eeh_busy(vha); if (ql2xmqsupport || ql2xnvmeenable) { set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); @@ -7674,9 +7703,16 @@ qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) "mmio enabled\n"); ha->pci_error_state = QLA_PCI_MMIO_ENABLED; + if (IS_QLA82XX(ha)) return PCI_ERS_RESULT_RECOVERED; + if (qla2x00_isp_reg_stat(ha)) { + ql_log(ql_log_info, base_vha, 0x803f, + "During mmio enabled, PCI/Register disconnect still detected.\n"); + goto out; + } + spin_lock_irqsave(&ha->hardware_lock, flags); if (IS_QLA2100(ha) || IS_QLA2200(ha)){ stat = rd_reg_word(®->hccr); @@ -7698,6 +7734,7 @@ qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) "RISC paused -- mmio_enabled, Dumping firmware.\n"); qla2xxx_dump_fw(base_vha); } +out: /* set PCI_ERS_RESULT_NEED_RESET to trigger call to qla2xxx_pci_slot_reset */ ql_dbg(ql_dbg_aer, base_vha, 0x600d, "mmio enabled returning.\n"); |