drivers/target/target_core_xcopy.c

116 static int target_xcopy_parse_tiddesc_e4(struct se_cmd *se_cmd, struct xcopy_op *xop,
176 			xop->src_dev = se_cmd->se_dev;
193 			xop->dst_dev = se_cmd->se_dev;
202 static int target_xcopy_parse_target_descriptors(struct se_cmd *se_cmd,
206 	struct se_device *local_dev = se_cmd->se_dev;
242 			rc = target_xcopy_parse_tiddesc_e4(se_cmd, xop,
260 		rc = target_xcopy_locate_se_dev_e4(se_cmd->se_sess,
266 		rc = target_xcopy_locate_se_dev_e4(se_cmd->se_sess,
392 	struct se_cmd se_cmd;
401 static int xcopy_pt_get_cmd_state(struct se_cmd *se_cmd)
416 static void xcopy_pt_release_cmd(struct se_cmd *se_cmd)
418 	struct xcopy_pt_cmd *xpt_cmd = container_of(se_cmd,
419 				struct xcopy_pt_cmd, se_cmd);
425 static int xcopy_pt_check_stop_free(struct se_cmd *se_cmd)
427 	struct xcopy_pt_cmd *xpt_cmd = container_of(se_cmd,
428 				struct xcopy_pt_cmd, se_cmd);
434 static int xcopy_pt_write_pending(struct se_cmd *se_cmd)
439 static int xcopy_pt_queue_data_in(struct se_cmd *se_cmd)
444 static int xcopy_pt_queue_status(struct se_cmd *se_cmd)
518 	struct se_cmd *cmd = &xpt_cmd->se_cmd;
552 	struct se_cmd *se_cmd = &xpt_cmd->se_cmd;
555 	sense_rc = transport_generic_new_cmd(se_cmd);
559 	if (se_cmd->data_direction == DMA_TO_DEVICE)
560 		target_execute_cmd(se_cmd);
565 			se_cmd->scsi_status);
567 	return (se_cmd->scsi_status) ? -EINVAL : 0;
571 	struct se_cmd *ec_cmd,
578 	struct se_cmd *se_cmd = &xpt_cmd.se_cmd;
594 	__target_init_cmd(se_cmd, &xcopy_pt_tfo, &xcopy_pt_sess, src_bytes,
600 		ec_cmd->scsi_status = se_cmd->scsi_status;
609 		ec_cmd->scsi_status = se_cmd->scsi_status;
611 	transport_generic_free_cmd(se_cmd, 0);
616 	struct se_cmd *ec_cmd,
623 	struct se_cmd *se_cmd = &xpt_cmd.se_cmd;
639 	__target_init_cmd(se_cmd, &xcopy_pt_tfo, &xcopy_pt_sess, dst_bytes,
645 		ec_cmd->scsi_status = se_cmd->scsi_status;
651 		ec_cmd->scsi_status = se_cmd->scsi_status;
653 	transport_generic_free_cmd(se_cmd, 0);
660 	struct se_cmd *ec_cmd = xop->xop_se_cmd;
789 	struct se_cmd *se_cmd = xop->xop_se_cmd;
796 	p = transport_kmap_data_sg(se_cmd);
823 	if (se_cmd->data_length < (XCOPY_HDR_LEN + tdll + sdll + inline_dl)) {
826 			se_cmd->data_length, tdll, sdll, inline_dl);
848 	rc = target_xcopy_parse_target_descriptors(se_cmd, xop, &p[16], tdll, &ret);
865 	transport_kunmap_data_sg(se_cmd);
870 		transport_kunmap_data_sg(se_cmd);
874 sense_reason_t target_do_xcopy(struct se_cmd *se_cmd)
876 	struct se_device *dev = se_cmd->se_dev;
885 	sa = se_cmd->t_task_cdb[1] & 0x1f;
891 	if (se_cmd->data_length == 0) {
892 		target_complete_cmd(se_cmd, SAM_STAT_GOOD);
895 	if (se_cmd->data_length < XCOPY_HDR_LEN) {
897 				se_cmd->data_length, XCOPY_HDR_LEN);
904 	xop->xop_se_cmd = se_cmd;
917 static sense_reason_t target_rcr_operating_parameters(struct se_cmd *se_cmd)
921 	p = transport_kmap_data_sg(se_cmd);
928 	if (se_cmd->data_length < 54) {
930 		       " too small: %u\n", se_cmd->data_length);
931 		transport_kunmap_data_sg(se_cmd);
1001 	transport_kunmap_data_sg(se_cmd);
1002 	target_complete_cmd(se_cmd, SAM_STAT_GOOD);
1007 sense_reason_t target_do_receive_copy_results(struct se_cmd *se_cmd)
1009 	unsigned char *cdb = &se_cmd->t_task_cdb[0];
1011 	struct se_device *dev = se_cmd->se_dev;
1020 		" 0x%02x, AL: %u\n", sa, list_id, se_cmd->data_length);
1030 		rc = target_rcr_operating_parameters(se_cmd);