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[SCSI] qla2xxx: Disable generating pause frames when firmware hang detected for ISP82xx.

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Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Giridhar Malavali 2011-11-18 09:02:19 -08:00 committed by James Bottomley
parent 8937f2f1c4
commit 6315491698
4 changed files with 28 additions and 4 deletions
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2
drivers/scsi/qla2xxx/qla_dbg.c
View file

@ -12,7 +12,7 @@
* | Level | Last Value Used | Holes |
* ----------------------------------------------------------------------
* | Module Init and Probe | 0x0116 | |
* | Mailbox commands | 0x1129 | |
* | Mailbox commands | 0x112b | |
* | Device Discovery | 0x2083 | |
* | Queue Command and IO tracing | 0x302e | 0x3008 |
* | DPC Thread | 0x401c | |

20
drivers/scsi/qla2xxx/qla_mbx.c
View file

@ -303,7 +303,15 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
!test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
if (IS_QLA82XX(ha)) {
ql_dbg(ql_dbg_mbx, vha, 0x112a,
"disabling pause transmit on port "
"0 & 1.\n");
qla82xx_wr_32(ha,
QLA82XX_CRB_NIU + 0x98,
CRB_NIU_XG_PAUSE_CTL_P0|
CRB_NIU_XG_PAUSE_CTL_P1);
}
ql_log(ql_log_info, base_vha, 0x101c,
"Mailbox cmd timeout occured. "
"Scheduling ISP abort eeh_busy=0x%x.\n",
@ -319,7 +327,15 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
!test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
if (IS_QLA82XX(ha)) {
ql_dbg(ql_dbg_mbx, vha, 0x112b,
"disabling pause transmit on port "
"0 & 1.\n");
qla82xx_wr_32(ha,
QLA82XX_CRB_NIU + 0x98,
CRB_NIU_XG_PAUSE_CTL_P0|
CRB_NIU_XG_PAUSE_CTL_P1);
}
ql_log(ql_log_info, base_vha, 0x101e,
"Mailbox cmd timeout occured. "
"Scheduling ISP abort.\n");

6
drivers/scsi/qla2xxx/qla_nx.c
View file

@ -3853,9 +3853,13 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
qla2xxx_wake_dpc(vha);
} else {
if (qla82xx_check_fw_alive(vha)) {
ql_dbg(ql_dbg_timer, vha, 0x6011,
"disabling pause transmit on port 0 & 1.\n");
qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1);
halt_status = qla82xx_rd_32(ha,
QLA82XX_PEG_HALT_STATUS1);
ql_dbg(ql_dbg_timer, vha, 0x6005,
ql_log(ql_log_info, vha, 0x6005,
"dumping hw/fw registers:.\n "
" PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
" PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "

4
drivers/scsi/qla2xxx/qla_nx.h
View file

@ -1173,4 +1173,8 @@ struct qla82xx_md_entry_queue {
static const int MD_MIU_TEST_AGT_RDDATA[] = { 0x410000A8, 0x410000AC,
0x410000B8, 0x410000BC };
#define CRB_NIU_XG_PAUSE_CTL_P0 0x1
#define CRB_NIU_XG_PAUSE_CTL_P1 0x8
#endif