Add MaintenanceIn: Report Supported Opcodes (all) and testcase.

lib/scsi-command.c

@@ -1541,6 +1541,28 @@ iscsi_release6_task(struct iscsi_context *iscsi, int lun,
 	return task;
 }
 
+struct scsi_task *
+iscsi_report_supported_opcodes_task(struct iscsi_context *iscsi, 
+				    int lun, int return_timeouts, int maxsize,
+				    iscsi_command_cb cb, void *private_data)
+{
+	struct scsi_task *task;
+
+	task = scsi_cdb_report_supported_opcodes(return_timeouts, maxsize);
+	if (task == NULL) {
+		iscsi_set_error(iscsi, "Out-of-memory: Failed to create "
+				"Maintenance In/Read Supported Op Codes cdb.");
+		return NULL;
+	}
+	if (iscsi_scsi_command_async(iscsi, lun, task, cb, NULL,
+				     private_data) != 0) {
+		scsi_free_scsi_task(task);
+		return NULL;
+	}
+
+	return task;
+}
+
 struct scsi_task *
 iscsi_scsi_get_task_from_pdu(struct iscsi_pdu *pdu)
 {