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scsi: qla2xxx: Capture FW dump on MPI heartbeat stop event

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For MPI heartbeat stop Async Event, this patch would capture MPI FW dump
and chip reset. FW will tell which function to capture FW dump for.

Link: https://lore.kernel.org/r/20190912180918.6436-13-hmadhani@marvell.com
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2019-09-12 11:09:16 -07:00 committed by Martin K. Petersen
parent c55474197a
commit d52cd7747d
3 changed files with 32 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/scsi/qla2xxx/qla_attr.c
View file

@ -102,8 +102,10 @@ qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
qla8044_idc_lock(ha);
qla82xx_set_reset_owner(vha);
qla8044_idc_unlock(ha);
} else
} else {
ha->fw_dump_mpi = 1;
qla2x00_system_error(vha);
}
break;
case 4:
if (IS_P3P_TYPE(ha)) {

31
drivers/scsi/qla2xxx/qla_isr.c
View file

@ -1227,11 +1227,32 @@ qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
break;
case MBA_IDC_AEN:
mb[4] = RD_REG_WORD(&reg24->mailbox4);
mb[5] = RD_REG_WORD(&reg24->mailbox5);
mb[6] = RD_REG_WORD(&reg24->mailbox6);
mb[7] = RD_REG_WORD(&reg24->mailbox7);
qla83xx_handle_8200_aen(vha, mb);
if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
ha->flags.fw_init_done = 0;
ql_log(ql_log_warn, vha, 0xffff,
"MPI Heartbeat stop. Chip reset needed. MB0[%xh] MB1[%xh] MB2[%xh] MB3[%xh]\n",
mb[0], mb[1], mb[2], mb[3]);
if ((mb[1] & BIT_8) ||
(mb[2] & BIT_8)) {
ql_log(ql_log_warn, vha, 0xd013,
"MPI Heartbeat stop. FW dump needed\n");
ha->fw_dump_mpi = 1;
ha->isp_ops->fw_dump(vha, 1);
}
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
} else if (IS_QLA83XX(ha)) {
mb[4] = RD_REG_WORD(&reg24->mailbox4);
mb[5] = RD_REG_WORD(&reg24->mailbox5);
mb[6] = RD_REG_WORD(&reg24->mailbox6);
mb[7] = RD_REG_WORD(&reg24->mailbox7);
qla83xx_handle_8200_aen(vha, mb);
} else {
ql_dbg(ql_dbg_async, vha, 0x5052,
"skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n",
mb[0], mb[1], mb[2], mb[3]);
}
break;
case MBA_DPORT_DIAGNOSTICS:

4
drivers/scsi/qla2xxx/qla_tmpl.c
View file

@ -1017,8 +1017,9 @@ qla27xx_fwdump(scsi_qla_host_t *vha, int hardware_locked)
uint j;
ulong len;
void *buf = vha->hw->fw_dump;
uint count = vha->hw->fw_dump_mpi ? 2 : 1;
for (j = 0; j < 2; j++, fwdt++, buf += len) {
for (j = 0; j < count; j++, fwdt++, buf += len) {
ql_log(ql_log_warn, vha, 0xd011,
"-> fwdt%u running...\n", j);
if (!fwdt->template) {
@ -1046,6 +1047,7 @@ qla27xx_fwdump(scsi_qla_host_t *vha, int hardware_locked)
}
bailout:
vha->hw->fw_dump_mpi = 0;
#ifndef __CHECKER__
if (!hardware_locked)
spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);