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scsi: qla2xxx: Defer chip reset until target mode is enabled

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For target mode, any chip reset triggered before target mode is enabled will
be held off until user is ready to enable.  This prevents the chip from
starting or running before it is intended.

Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2018-08-31 11:24:37 -07:00 committed by Martin K. Petersen
parent 8d9bf0a9a2
commit 93eca61351
1 changed files with 21 additions and 7 deletions
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28
drivers/scsi/qla2xxx/qla_os.c
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@ -6047,12 +6047,27 @@ qla2x00_do_dpc(void *data)
if (test_and_clear_bit
(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
!test_bit(UNLOADING, &base_vha->dpc_flags)) {
bool do_reset = true;
ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
"ISP abort scheduled.\n");
if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
switch (ql2x_ini_mode) {
case QLA2XXX_INI_MODE_ENABLED:
break;
case QLA2XXX_INI_MODE_DISABLED:
if (!qla_tgt_mode_enabled(base_vha))
do_reset = false;
break;
case QLA2XXX_INI_MODE_DUAL:
if (!qla_dual_mode_enabled(base_vha))
do_reset = false;
break;
default:
break;
}
if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
&base_vha->dpc_flags))) {
ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
"ISP abort scheduled.\n");
if (ha->isp_ops->abort_isp(base_vha)) {
/* failed. retry later */
set_bit(ISP_ABORT_NEEDED,
@ -6060,10 +6075,9 @@ qla2x00_do_dpc(void *data)
}
clear_bit(ABORT_ISP_ACTIVE,
&base_vha->dpc_flags);
ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
"ISP abort end.\n");
}
ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
"ISP abort end.\n");
}
if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,