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[SCSI] qla2xxx: Fix for handling some error conditions in loopback.

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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:
Chad Dupuis 2012-08-22 14:21:24 -04:00 committed by James Bottomley
parent e92e4a8f00
commit bf5b8ad7bd
4 changed files with 28 additions and 18 deletions
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14
drivers/scsi/qla2xxx/qla_bsg.c
View file

@ -568,9 +568,17 @@ qla81xx_set_loopback_mode(scsi_qla_host_t *vha, uint16_t *config,
if (!wait_for_completion_timeout(&ha->dcbx_comp, (20 * HZ))) {
ql_dbg(ql_dbg_user, vha, 0x7022,
"State change notification not received.\n");
} else
ql_dbg(ql_dbg_user, vha, 0x7023,
"State change received.\n");
rval = -EINVAL;
} else {
if (ha->flags.idc_compl_status) {
ql_dbg(ql_dbg_user, vha, 0x70c3,
"Bad status in IDC Completion AEN\n");
rval = -EINVAL;
ha->flags.idc_compl_status = 0;
} else
ql_dbg(ql_dbg_user, vha, 0x7023,
"State change received.\n");
}
ha->notify_dcbx_comp = 0;

2
drivers/scsi/qla2xxx/qla_dbg.c
View file

@ -22,7 +22,7 @@
* | Async Events | 0x5071 | 0x502b-0x502f |
* | | | 0x5047,0x5052 |
* | Timer Routines | 0x6011 | |
* | User Space Interactions | 0x70c2 | 0x7018,0x702e, |
* | User Space Interactions | 0x70c3 | 0x7018,0x702e, |
* | | | 0x7039,0x7045, |
* | | | 0x7073-0x7075, |
* | | | 0x708c, |

3
drivers/scsi/qla2xxx/qla_def.h
View file

@ -2622,7 +2622,8 @@ struct qla_hw_data {
uint32_t nic_core_reset_owner:1;
uint32_t isp82xx_no_md_cap:1;
uint32_t host_shutting_down:1;
/* 30 bits */
uint32_t idc_compl_status:1;
/* 32 bits */
} flags;
/* This spinlock is used to protect "io transactions", you must

27
drivers/scsi/qla2xxx/qla_isr.c
View file

@ -294,18 +294,21 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
"%04x %04x %04x %04x %04x %04x %04x.\n",
event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
mb[4], mb[5], mb[6]);
if (IS_QLA81XX(vha->hw)) {
/* Acknowledgement needed? [Notify && non-zero timeout]. */
timeout = (descr >> 8) & 0xf;
if (aen != MBA_IDC_NOTIFY || !timeout)
return;
ql_dbg(ql_dbg_async, vha, 0x5022,
"%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
vha->host_no, event[aen & 0xff], timeout);
if ((aen == MBA_IDC_COMPLETE && mb[1] >> 15)) {
vha->hw->flags.idc_compl_status = 1;
if (vha->hw->notify_dcbx_comp)
complete(&vha->hw->dcbx_comp);
}
/* Acknowledgement needed? [Notify && non-zero timeout]. */
timeout = (descr >> 8) & 0xf;
if (aen != MBA_IDC_NOTIFY || !timeout)
return;
ql_dbg(ql_dbg_async, vha, 0x5022,
"%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
vha->host_no, event[aen & 0xff], timeout);
rval = qla2x00_post_idc_ack_work(vha, mb);
if (rval != QLA_SUCCESS)
ql_log(ql_log_warn, vha, 0x5023,
@ -989,13 +992,11 @@ qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
if ((mb[2] & 0x7fff) == MBC_PORT_RESET ||
(mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) {
set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
/* Ack that we have quiesced I/O */
qla81xx_idc_event(vha, mb[0], mb[1]);
qla2xxx_wake_dpc(vha);
}
case MBA_IDC_COMPLETE:
case MBA_IDC_TIME_EXT:
if (IS_QLA81XX(vha->hw))
if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw))
qla81xx_idc_event(vha, mb[0], mb[1]);
break;