[SCSI] qla2xxx: IDC implementation for ISP83xx.
Signed-off-by: Santosh Vernekar <santosh.vernekar@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index da804f4..f76424e 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -564,6 +564,7 @@
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
int type;
+ uint32_t idc_control;
if (off != 0)
return -EINVAL;
@@ -587,22 +588,36 @@
scsi_unblock_requests(vha->host);
break;
case 0x2025d:
- if (!IS_QLA81XX(ha) || !IS_QLA8031(ha))
+ if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
return -EPERM;
ql_log(ql_log_info, vha, 0x706f,
"Issuing MPI reset.\n");
- /* Make sure FC side is not in reset */
- qla2x00_wait_for_hba_online(vha);
+ if (IS_QLA83XX(ha)) {
+ uint32_t idc_control;
- /* Issue MPI reset */
- scsi_block_requests(vha->host);
- if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
- ql_log(ql_log_warn, vha, 0x7070,
- "MPI reset failed.\n");
- scsi_unblock_requests(vha->host);
- break;
+ qla83xx_idc_lock(vha, 0);
+ __qla83xx_get_idc_control(vha, &idc_control);
+ idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
+ __qla83xx_set_idc_control(vha, idc_control);
+ qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
+ QLA8XXX_DEV_NEED_RESET);
+ qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
+ qla83xx_idc_unlock(vha, 0);
+ break;
+ } else {
+ /* Make sure FC side is not in reset */
+ qla2x00_wait_for_hba_online(vha);
+
+ /* Issue MPI reset */
+ scsi_block_requests(vha->host);
+ if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
+ ql_log(ql_log_warn, vha, 0x7070,
+ "MPI reset failed.\n");
+ scsi_unblock_requests(vha->host);
+ break;
+ }
case 0x2025e:
if (!IS_QLA82XX(ha) || vha != base_vha) {
ql_log(ql_log_info, vha, 0x7071,
@@ -616,6 +631,29 @@
qla2xxx_wake_dpc(vha);
qla2x00_wait_for_fcoe_ctx_reset(vha);
break;
+ case 0x2025f:
+ if (!IS_QLA8031(ha))
+ return -EPERM;
+ ql_log(ql_log_info, vha, 0x70bc,
+ "Disabling Reset by IDC control\n");
+ qla83xx_idc_lock(vha, 0);
+ __qla83xx_get_idc_control(vha, &idc_control);
+ idc_control |= QLA83XX_IDC_RESET_DISABLED;
+ __qla83xx_set_idc_control(vha, idc_control);
+ qla83xx_idc_unlock(vha, 0);
+ break;
+ case 0x20260:
+ if (!IS_QLA8031(ha))
+ return -EPERM;
+ ql_log(ql_log_info, vha, 0x70bd,
+ "Enabling Reset by IDC control\n");
+ qla83xx_idc_lock(vha, 0);
+ __qla83xx_get_idc_control(vha, &idc_control);
+ idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
+ __qla83xx_set_idc_control(vha, idc_control);
+ qla83xx_idc_unlock(vha, 0);
+ break;
+
}
return count;
}