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path: root/drivers/scsi/qla2xxx/qla_os.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c75
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(&reg->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");
generated by cgit (git 2.34.1) at 2024-05-29 14:48:06 +0000