static int qla4xxx_queuecommand(struct scsi_cmnd *cmd,
void (*done) (struct scsi_cmnd *));
static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
+static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
static int qla4xxx_slave_alloc(struct scsi_device *device);
static int qla4xxx_slave_configure(struct scsi_device *device);
.queuecommand = qla4xxx_queuecommand,
.eh_device_reset_handler = qla4xxx_eh_device_reset,
+ .eh_target_reset_handler = qla4xxx_eh_target_reset,
.eh_host_reset_handler = qla4xxx_eh_host_reset,
.slave_configure = qla4xxx_slave_configure,
.host_param_mask = ISCSI_HOST_HWADDRESS |
ISCSI_HOST_IPADDRESS |
ISCSI_HOST_INITIATOR_NAME,
- .sessiondata_size = sizeof(struct ddb_entry),
- .host_template = &qla4xxx_driver_template,
-
.tgt_dscvr = qla4xxx_tgt_dscvr,
.get_conn_param = qla4xxx_conn_get_param,
.get_session_param = qla4xxx_sess_get_param,
return err;
}
- ddb_entry->conn = iscsi_create_conn(ddb_entry->sess, 0);
+ ddb_entry->conn = iscsi_create_conn(ddb_entry->sess, 0, 0);
if (!ddb_entry->conn) {
iscsi_remove_session(ddb_entry->sess);
DEBUG2(printk(KERN_ERR "Could not add connection.\n"));
struct ddb_entry *ddb_entry;
struct iscsi_cls_session *sess;
- sess = iscsi_alloc_session(ha->host, &qla4xxx_iscsi_transport);
+ sess = iscsi_alloc_session(ha->host, &qla4xxx_iscsi_transport,
+ sizeof(struct ddb_entry));
if (!sess)
return NULL;
}
/**
- * qla4xxx_eh_wait_for_active_target_commands - wait for active cmds to finish.
+ * qla4xxx_eh_wait_for_commands - wait for active cmds to finish.
* @ha: pointer to to HBA
* @t: target id
* @l: lun id
* This function waits for all outstanding commands to a lun to complete. It
* returns 0 if all pending commands are returned and 1 otherwise.
**/
-static int qla4xxx_eh_wait_for_active_target_commands(struct scsi_qla_host *ha,
- int t, int l)
+static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha,
+ struct scsi_target *stgt,
+ struct scsi_device *sdev)
{
int cnt;
int status = 0;
struct scsi_cmnd *cmd;
/*
- * Waiting for all commands for the designated target in the active
- * array
+ * Waiting for all commands for the designated target or dev
+ * in the active array
*/
for (cnt = 0; cnt < ha->host->can_queue; cnt++) {
cmd = scsi_host_find_tag(ha->host, cnt);
- if (cmd && cmd->device->id == t && cmd->device->lun == l) {
+ if (cmd && stgt == scsi_target(cmd->device) &&
+ (!sdev || sdev == cmd->device)) {
if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
status++;
break;
goto eh_dev_reset_done;
}
- /* Send marker. */
- ha->marker_needed = 1;
-
- /*
- * If we are coming down the EH path, wait for all commands to complete
- * for the device.
- */
- if (cmd->device->host->shost_state == SHOST_RECOVERY) {
- if (qla4xxx_eh_wait_for_active_target_commands(ha,
- cmd->device->id,
- cmd->device->lun)){
- dev_info(&ha->pdev->dev,
- "DEVICE RESET FAILED - waiting for "
- "commands.\n");
- goto eh_dev_reset_done;
- }
+ if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
+ cmd->device)) {
+ dev_info(&ha->pdev->dev,
+ "DEVICE RESET FAILED - waiting for "
+ "commands.\n");
+ goto eh_dev_reset_done;
}
+ /* Send marker. */
+ if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
+ MM_LUN_RESET) != QLA_SUCCESS)
+ goto eh_dev_reset_done;
+
dev_info(&ha->pdev->dev,
"scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n",
ha->host_no, cmd->device->channel, cmd->device->id,
return ret;
}
+/**
+ * qla4xxx_eh_target_reset - callback for target reset.
+ * @cmd: Pointer to Linux's SCSI command structure
+ *
+ * This routine is called by the Linux OS to reset the target.
+ **/
+static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd)
+{
+ struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
+ struct ddb_entry *ddb_entry = cmd->device->hostdata;
+ int stat;
+
+ if (!ddb_entry)
+ return FAILED;
+
+ starget_printk(KERN_INFO, scsi_target(cmd->device),
+ "WARM TARGET RESET ISSUED.\n");
+
+ DEBUG2(printk(KERN_INFO
+ "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
+ "to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
+ ha->host_no, cmd, jiffies, cmd->timeout_per_command / HZ,
+ ha->dpc_flags, cmd->result, cmd->allowed));
+
+ stat = qla4xxx_reset_target(ha, ddb_entry);
+ if (stat != QLA_SUCCESS) {
+ starget_printk(KERN_INFO, scsi_target(cmd->device),
+ "WARM TARGET RESET FAILED.\n");
+ return FAILED;
+ }
+
+ if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
+ NULL)) {
+ starget_printk(KERN_INFO, scsi_target(cmd->device),
+ "WARM TARGET DEVICE RESET FAILED - "
+ "waiting for commands.\n");
+ return FAILED;
+ }
+
+ /* Send marker. */
+ if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
+ MM_TGT_WARM_RESET) != QLA_SUCCESS) {
+ starget_printk(KERN_INFO, scsi_target(cmd->device),
+ "WARM TARGET DEVICE RESET FAILED - "
+ "marker iocb failed.\n");
+ return FAILED;
+ }
+
+ starget_printk(KERN_INFO, scsi_target(cmd->device),
+ "WARM TARGET RESET SUCCEEDED.\n");
+ return SUCCESS;
+}
+
/**
* qla4xxx_eh_host_reset - kernel callback
* @cmd: Pointer to Linux's SCSI command structure
projects / linux-2.6-omap-h63xx.git / blobdiff