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scsi: qedf: Add schedule_hw_err_handler callback for fan failure

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On fan failure, disable the PCI function and initiate recovery for ramrod
failure.

Link: https://lore.kernel.org/r/20200907121443.5150-7-jhasan@marvell.com
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Saurav Kashyap 2020-09-07 05:14:41 -07:00 committed by Martin K. Petersen
parent 10aff62fab
commit 55e049910e
2 changed files with 49 additions and 0 deletions
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4
drivers/scsi/qedf/qedf.h
View File

@ -389,6 +389,7 @@ struct qedf_ctx {
mempool_t *io_mempool;
struct workqueue_struct *dpc_wq;
struct delayed_work recovery_work;
struct delayed_work board_disable_work;
struct delayed_work grcdump_work;
struct delayed_work stag_work;
@ -541,6 +542,9 @@ extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
extern void qedf_wq_grcdump(struct work_struct *work);
void qedf_stag_change_work(struct work_struct *work);
void qedf_ctx_soft_reset(struct fc_lport *lport);
extern void qedf_board_disable_work(struct work_struct *work);
extern void qedf_schedule_hw_err_handler(void *dev,
enum qed_hw_err_type err_type);
#define FCOE_WORD_TO_BYTE 4
#define QEDF_MAX_TASK_NUM 0xFFFF

45
drivers/scsi/qedf/qedf_main.c
View File

@ -105,6 +105,12 @@ module_param_named(dp_level, qedf_dp_level, uint, S_IRUGO);
MODULE_PARM_DESC(dp_level, " printk verbosity control passed to qed module "
"during probe (0-3: 0 more verbose).");
static bool qedf_enable_recovery = true;
module_param_named(enable_recovery, qedf_enable_recovery,
bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(enable_recovery, "Enable/disable recovery on driver/firmware "
"interface level errors 0 = Disabled, 1 = Enabled (Default: 1).");
struct workqueue_struct *qedf_io_wq;
static struct fcoe_percpu_s qedf_global;
@ -690,6 +696,7 @@ static struct qed_fcoe_cb_ops qedf_cb_ops = {
.dcbx_aen = qedf_dcbx_handler,
.get_generic_tlv_data = qedf_get_generic_tlv_data,
.get_protocol_tlv_data = qedf_get_protocol_tlv_data,
.schedule_hw_err_handler = qedf_schedule_hw_err_handler,
}
};
@ -3799,6 +3806,44 @@ void qedf_wq_grcdump(struct work_struct *work)
qedf_capture_grc_dump(qedf);
}
void qedf_schedule_hw_err_handler(void *dev, enum qed_hw_err_type err_type)
{
struct qedf_ctx *qedf = dev;
QEDF_ERR(&(qedf->dbg_ctx),
"Hardware error handler scheduled, event=%d.\n",
err_type);
if (test_bit(QEDF_IN_RECOVERY, &qedf->flags)) {
QEDF_ERR(&(qedf->dbg_ctx),
"Already in recovery, not scheduling board disable work.\n");
return;
}
switch (err_type) {
case QED_HW_ERR_FAN_FAIL:
schedule_delayed_work(&qedf->board_disable_work, 0);
break;
case QED_HW_ERR_MFW_RESP_FAIL:
case QED_HW_ERR_HW_ATTN:
case QED_HW_ERR_DMAE_FAIL:
case QED_HW_ERR_FW_ASSERT:
/* Prevent HW attentions from being reasserted */
qed_ops->common->attn_clr_enable(qedf->cdev, true);
break;
case QED_HW_ERR_RAMROD_FAIL:
/* Prevent HW attentions from being reasserted */
qed_ops->common->attn_clr_enable(qedf->cdev, true);
if (qedf_enable_recovery)
qed_ops->common->recovery_process(qedf->cdev);
break;
default:
break;
}
}
/*
* Protocol TLV handler
*/