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scsi: qedi: Add schedule_hw_err_handler callback for fan failure 

On fan failure event from MFW, bring down active connections and unload
the firmware context.

Link: https://lore.kernel.org/r/20200924070338.8270-1-mrangankar@marvell.com
Signed-off-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Manish Rangankar 2020-09-24 00:03:38 -07:00 committed by Martin K. Petersen
parent 61741d8699
commit 7dc71ac8eb
2 changed files with 21 additions and 0 deletions
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1
drivers/scsi/qedi/qedi.h
View File

@ -339,6 +339,7 @@ struct qedi_ctx {
struct workqueue_struct *dpc_wq; struct workqueue_struct *dpc_wq;
struct delayed_work recovery_work; struct delayed_work recovery_work;
struct delayed_work board_disable_work;
spinlock_t task_idx_lock; /* To protect gbl context */ spinlock_t task_idx_lock; /* To protect gbl context */
s32 last_tidx_alloc; s32 last_tidx_alloc;

20
drivers/scsi/qedi/qedi_main.c
View File

@ -1132,6 +1132,9 @@ void qedi_schedule_hw_err_handler(void *dev,
err_type, qedi->qedi_err_flags); err_type, qedi->qedi_err_flags);
switch (err_type) { switch (err_type) {
case QED_HW_ERR_FAN_FAIL:
schedule_delayed_work(&qedi->board_disable_work, 0);
break;
case QED_HW_ERR_MFW_RESP_FAIL: case QED_HW_ERR_MFW_RESP_FAIL:
case QED_HW_ERR_HW_ATTN: case QED_HW_ERR_HW_ATTN:
case QED_HW_ERR_DMAE_FAIL: case QED_HW_ERR_DMAE_FAIL:
@ -2485,6 +2488,21 @@ static void __qedi_remove(struct pci_dev *pdev, int mode)
} }
} }
static void qedi_board_disable_work(struct work_struct *work)
{
struct qedi_ctx *qedi =
container_of(work, struct qedi_ctx,
board_disable_work.work);
QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
"Fan failure, Unloading firmware context.\n");
if (test_and_set_bit(QEDI_IN_SHUTDOWN, &qedi->flags))
return;
__qedi_remove(qedi->pdev, QEDI_MODE_SHUTDOWN);
}
static void qedi_shutdown(struct pci_dev *pdev) static void qedi_shutdown(struct pci_dev *pdev)
{ {
struct qedi_ctx *qedi = pci_get_drvdata(pdev); struct qedi_ctx *qedi = pci_get_drvdata(pdev);
@ -2752,6 +2770,8 @@ retry_probe:
} }
INIT_DELAYED_WORK(&qedi->recovery_work, qedi_recovery_handler); INIT_DELAYED_WORK(&qedi->recovery_work, qedi_recovery_handler);
INIT_DELAYED_WORK(&qedi->board_disable_work,
qedi_board_disable_work);
/* F/w needs 1st task context memory entry for performance */ /* F/w needs 1st task context memory entry for performance */
set_bit(QEDI_RESERVE_TASK_ID, qedi->task_idx_map); set_bit(QEDI_RESERVE_TASK_ID, qedi->task_idx_map);