diff options
| author | Quinn Tran <qutran@marvell.com> | 2021-06-18 22:24:27 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-06-22 21:54:20 -0400 |
| commit | d94d8158e1841813624e9fecf93a12e64e004dd8 (patch) | |
| tree | 0a4197216342c70d1b4912b09e67a492f6a5186a /drivers/scsi/qla2xxx/qla_mbx.c | |
| parent | c43ddbf97f46b93727718408d60a47ce8c08f30c (diff) | |
scsi: qla2xxx: Add heartbeat check
Use "no-op" mailbox command to check if the adapter firmware is still
responsive.
Link: https://lore.kernel.org/r/20210619052427.6440-1-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 0bcd8afdc0ff..9f3ad8aa649c 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -6939,3 +6939,30 @@ ql26xx_led_config(scsi_qla_host_t *vha, uint16_t options, uint16_t *led) return rval; } + +/** + * qla_no_op_mb(): This MB is used to check if FW is still alive and + * able to generate an interrupt. Otherwise, a timeout will trigger + * FW dump + reset + * @vha: host adapter pointer + * Return: None + */ +void qla_no_op_mb(struct scsi_qla_host *vha) +{ + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + int rval; + + memset(&mc, 0, sizeof(mc)); + mcp->mb[0] = 0; // noop cmd= 0 + mcp->out_mb = MBX_0; + mcp->in_mb = MBX_0; + mcp->tov = 5; + mcp->flags = 0; + rval = qla2x00_mailbox_command(vha, mcp); + + if (rval) { + ql_dbg(ql_dbg_async, vha, 0x7071, + "Failed %s %x\n", __func__, rval); + } +} |