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-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c3
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c55
3 files changed, 59 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 8b06ce8fbb0f..fe7469c901f7 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1769,6 +1769,9 @@ qla2x00_terminate_rport_io(struct fc_rport *rport)
if (!fcport)
return;
+ if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
+ return;
+
if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
return;
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 1a042702d34a..97b0a9da0913 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -41,7 +41,7 @@
* | | | 0x70ad-0x70ae |
* | | | 0x70d0-0x70d6 |
* | | | 0x70d7-0x70db |
- * | Task Management | 0x803d | 0x8000,0x800b |
+ * | Task Management | 0x8042 | 0x8000,0x800b |
* | | | 0x8019 |
* | | | 0x8025,0x8026 |
* | | | 0x8031,0x8032 |
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index dc7e58315870..2674f4c16bc3 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -943,6 +943,30 @@ sp_get(struct srb *sp)
atomic_inc(&sp->ref_count);
}
+#define ISP_REG_DISCONNECT 0xffffffffU
+/**************************************************************************
+* qla2x00_isp_reg_stat
+*
+* Description:
+* Read the host status register of ISP before aborting the command.
+*
+* Input:
+* ha = pointer to host adapter structure.
+*
+*
+* Returns:
+* Either true or false.
+*
+* Note: Return true if there is register disconnect.
+**************************************************************************/
+static inline
+uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
+{
+ struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+
+ return ((RD_REG_DWORD(&reg->host_status)) == ISP_REG_DISCONNECT);
+}
+
/**************************************************************************
* qla2xxx_eh_abort
*
@@ -970,6 +994,11 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
int rval, wait = 0;
struct qla_hw_data *ha = vha->hw;
+ if (qla2x00_isp_reg_stat(ha)) {
+ ql_log(ql_log_info, vha, 0x8042,
+ "PCI/Register disconnect, exiting.\n");
+ return FAILED;
+ }
if (!CMD_SP(cmd))
return SUCCESS;
@@ -1153,6 +1182,12 @@ qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
scsi_qla_host_t *vha = shost_priv(cmd->device->host);
struct qla_hw_data *ha = vha->hw;
+ if (qla2x00_isp_reg_stat(ha)) {
+ ql_log(ql_log_info, vha, 0x803e,
+ "PCI/Register disconnect, exiting.\n");
+ return FAILED;
+ }
+
return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
ha->isp_ops->lun_reset);
}
@@ -1163,6 +1198,12 @@ qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
scsi_qla_host_t *vha = shost_priv(cmd->device->host);
struct qla_hw_data *ha = vha->hw;
+ if (qla2x00_isp_reg_stat(ha)) {
+ ql_log(ql_log_info, vha, 0x803f,
+ "PCI/Register disconnect, exiting.\n");
+ return FAILED;
+ }
+
return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
ha->isp_ops->target_reset);
}
@@ -1190,6 +1231,13 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
int ret = FAILED;
unsigned int id;
uint64_t lun;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (qla2x00_isp_reg_stat(ha)) {
+ ql_log(ql_log_info, vha, 0x8040,
+ "PCI/Register disconnect, exiting.\n");
+ return FAILED;
+ }
id = cmd->device->id;
lun = cmd->device->lun;
@@ -1259,6 +1307,13 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
uint64_t lun;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
+ if (qla2x00_isp_reg_stat(ha)) {
+ ql_log(ql_log_info, vha, 0x8041,
+ "PCI/Register disconnect, exiting.\n");
+ schedule_work(&ha->board_disable);
+ return SUCCESS;
+ }
+
id = cmd->device->id;
lun = cmd->device->lun;