42  * @return: 1 on match, 0 on no-match
52 		return 0;  in target_xcopy_locate_se_dev_e4_iter()
55 	memset(&tmp_dev_wwn[0], 0, XCOPY_NAA_IEEE_REGEX_LEN);  in target_xcopy_locate_se_dev_e4_iter()
56 	spc_gen_naa_6h_vendor_specific(se_dev, &tmp_dev_wwn[0]);  in target_xcopy_locate_se_dev_e4_iter()
58 	rc = memcmp(&tmp_dev_wwn[0], dev_wwn, XCOPY_NAA_IEEE_REGEX_LEN);  in target_xcopy_locate_se_dev_e4_iter()
59 	if (rc != 0) {  in target_xcopy_locate_se_dev_e4_iter()
62 		return 0;  in target_xcopy_locate_se_dev_e4_iter()
64 	pr_debug("XCOPY 0xe4: located se_dev: %p\n", se_dev);  in target_xcopy_locate_se_dev_e4_iter()
83 	pr_debug("XCOPY 0xe4: searching for: %*ph\n",  in target_xcopy_locate_se_dev_e4()
110 	return 0;  in target_xcopy_locate_se_dev_e4()
112 	pr_debug_ratelimited("Unable to locate 0xe4 descriptor for EXTENDED_COPY\n");  in target_xcopy_locate_se_dev_e4()
126 	pr_debug("XCOPY 0xe4: RELATIVE INITIATOR PORT IDENTIFIER: %hu\n", ript);  in target_xcopy_parse_tiddesc_e4()
130 	if ((desc[4] & 0x0f) != 0x1) {  in target_xcopy_parse_tiddesc_e4()
131 		pr_err("XCOPY 0xe4: code set of non binary type not supported\n");  in target_xcopy_parse_tiddesc_e4()
134 	if ((desc[5] & 0x30) != 0x00) {  in target_xcopy_parse_tiddesc_e4()
135 		pr_err("XCOPY 0xe4: association other than LUN not supported\n");  in target_xcopy_parse_tiddesc_e4()
138 	if ((desc[5] & 0x0f) != 0x3) {  in target_xcopy_parse_tiddesc_e4()
139 		pr_err("XCOPY 0xe4: designator type unsupported: 0x%02x\n",  in target_xcopy_parse_tiddesc_e4()
140 				(desc[5] & 0x0f));  in target_xcopy_parse_tiddesc_e4()
149 		pr_err("XCOPY 0xe4: invalid desig_len: %d\n", (int)desig_len);  in target_xcopy_parse_tiddesc_e4()
152 	pr_debug("XCOPY 0xe4: desig_len: %d\n", (int)desig_len);  in target_xcopy_parse_tiddesc_e4()
156 	if ((desc[8] & 0xf0) != 0x60) {  in target_xcopy_parse_tiddesc_e4()
157 		pr_err("XCOPY 0xe4: Unsupported DESIGNATOR TYPE: 0x%02x\n",  in target_xcopy_parse_tiddesc_e4()
158 					(desc[8] & 0xf0));  in target_xcopy_parse_tiddesc_e4()
163 		pr_debug("XCOPY 0xe4: ignoring CSCD entry %d - neither src nor "  in target_xcopy_parse_tiddesc_e4()
165 		return 0;  in target_xcopy_parse_tiddesc_e4()
169 		memcpy(&xop->src_tid_wwn[0], &desc[8], XCOPY_NAA_IEEE_REGEX_LEN);  in target_xcopy_parse_tiddesc_e4()
173 		if (!memcmp(&xop->local_dev_wwn[0], &xop->src_tid_wwn[0],  in target_xcopy_parse_tiddesc_e4()
177 			pr_debug("XCOPY 0xe4: Set xop->src_dev %p from source"  in target_xcopy_parse_tiddesc_e4()
183 		memcpy(&xop->dst_tid_wwn[0], &desc[8], XCOPY_NAA_IEEE_REGEX_LEN);  in target_xcopy_parse_tiddesc_e4()
190 		if (!memcmp(&xop->local_dev_wwn[0], &xop->dst_tid_wwn[0],  in target_xcopy_parse_tiddesc_e4()
194 			pr_debug("XCOPY 0xe4: Set xop->dst_dev: %p from destination"  in target_xcopy_parse_tiddesc_e4()
199 	return 0;  in target_xcopy_parse_tiddesc_e4()
209 	unsigned short cscd_index = 0;  in target_xcopy_parse_target_descriptors()
210 	unsigned short start = 0;  in target_xcopy_parse_target_descriptors()
214 	if (offset != 0) {  in target_xcopy_parse_target_descriptors()
231 	memset(&xop->local_dev_wwn[0], 0, XCOPY_NAA_IEEE_REGEX_LEN);  in target_xcopy_parse_target_descriptors()
232 	spc_gen_naa_6h_vendor_specific(local_dev, &xop->local_dev_wwn[0]);  in target_xcopy_parse_target_descriptors()
236 		 * Check target descriptor identification with 0xE4 type, and  in target_xcopy_parse_target_descriptors()
238 		 * the segment descriptor. Use VPD 0x83 WWPN matching ..  in target_xcopy_parse_target_descriptors()
240 		switch (desc[0]) {  in target_xcopy_parse_target_descriptors()
241 		case 0xe4:  in target_xcopy_parse_target_descriptors()
243 							&desc[0], cscd_index);  in target_xcopy_parse_target_descriptors()
244 			if (rc != 0)  in target_xcopy_parse_target_descriptors()
252 					" 0x%02x\n", desc[0]);  in target_xcopy_parse_target_descriptors()
278 	 * If a matching IEEE NAA 0x83 descriptor for the requested device  in target_xcopy_parse_target_descriptors()
280 	 * 0x0d/0x02 - COPY_TARGET_DEVICE_NOT_REACHABLE to request the  in target_xcopy_parse_target_descriptors()
283 	if (rc < 0) {  in target_xcopy_parse_target_descriptors()
288 	pr_debug("XCOPY TGT desc: Source dev: %p NAA IEEE WWN: 0x%16phN\n",  in target_xcopy_parse_target_descriptors()
289 		 xop->src_dev, &xop->src_tid_wwn[0]);  in target_xcopy_parse_target_descriptors()
290 	pr_debug("XCOPY TGT desc: Dest dev: %p NAA IEEE WWN: 0x%16phN\n",  in target_xcopy_parse_target_descriptors()
291 		 xop->dst_dev, &xop->dst_tid_wwn[0]);  in target_xcopy_parse_target_descriptors()
302 	int dc = (desc[1] & 0x02);  in target_xcopy_parse_segdesc_02()
306 	if (desc_len != 0x18) {  in target_xcopy_parse_segdesc_02()
307 		pr_err("XCOPY segment desc 0x02: Illegal desc_len:"  in target_xcopy_parse_segdesc_02()
317 		pr_err("XCOPY segment desc 0x02: unsupported CSCD ID > 0x%x; stdi: %hu dtdi: %hu\n",  in target_xcopy_parse_segdesc_02()
322 	pr_debug("XCOPY seg desc 0x02: desc_len: %hu stdi: %hu dtdi: %hu, DC: %d\n",  in target_xcopy_parse_segdesc_02()
328 	pr_debug("XCOPY seg desc 0x02: nolb: %hu src_lba: %llu dst_lba: %llu\n",  in target_xcopy_parse_segdesc_02()
332 	return 0;  in target_xcopy_parse_segdesc_02()
340 	unsigned int start = 0;  in target_xcopy_parse_segment_descriptors()
341 	int offset = sdll % XCOPY_SEGMENT_DESC_LEN, rc, ret = 0;  in target_xcopy_parse_segment_descriptors()
345 	if (offset != 0) {  in target_xcopy_parse_segment_descriptors()
363 		switch (desc[0]) {  in target_xcopy_parse_segment_descriptors()
364 		case 0x02:  in target_xcopy_parse_segment_descriptors()
366 			if (rc < 0)  in target_xcopy_parse_segment_descriptors()
375 				"type: 0x%02x\n", desc[0]);  in target_xcopy_parse_segment_descriptors()
403         return 0;  in xcopy_pt_get_cmd_state()
431 	return 0;  in xcopy_pt_check_stop_free()
436 	return 0;  in xcopy_pt_write_pending()
441 	return 0;  in xcopy_pt_queue_data_in()
446 	return 0;  in xcopy_pt_queue_status()
465 	xcopy_wq = alloc_workqueue("xcopy_wq", WQ_MEM_RECLAIM, 0);  in target_xcopy_setup_pt()
471 	memset(&xcopy_pt_tpg, 0, sizeof(struct se_portal_group));  in target_xcopy_setup_pt()
477 	memset(&xcopy_pt_nacl, 0, sizeof(struct se_node_acl));  in target_xcopy_setup_pt()
480 	memset(&xcopy_pt_sess, 0, sizeof(struct se_session));  in target_xcopy_setup_pt()
489 	return 0;  in target_xcopy_setup_pt()
536 	cmd->tag = 0;  in target_xcopy_setup_pt_cmd()
541 					xop->xop_data_nents, NULL, 0))  in target_xcopy_setup_pt_cmd()
547 	return 0;  in target_xcopy_setup_pt_cmd()
564 	pr_debug("target_xcopy_issue_pt_cmd(): SCSI status: 0x%02x\n",  in target_xcopy_issue_pt_cmd()
567 	return (se_cmd->scsi_status) ? -EINVAL : 0;  in target_xcopy_issue_pt_cmd()
584 	memset(&xpt_cmd, 0, sizeof(xpt_cmd));  in target_xcopy_read_source()
587 	memset(&cdb[0], 0, 16);  in target_xcopy_read_source()
588 	cdb[0] = READ_16;  in target_xcopy_read_source()
595 			  DMA_FROM_DEVICE, 0, &xpt_cmd.sense_buffer[0], 0,  in target_xcopy_read_source()
597 	rc = target_xcopy_setup_pt_cmd(&xpt_cmd, xop, src_dev, &cdb[0],  in target_xcopy_read_source()
599 	if (rc < 0) {  in target_xcopy_read_source()
608 	if (rc < 0)  in target_xcopy_read_source()
611 	transport_generic_free_cmd(se_cmd, 0);  in target_xcopy_read_source()
629 	memset(&xpt_cmd, 0, sizeof(xpt_cmd));  in target_xcopy_write_destination()
632 	memset(&cdb[0], 0, 16);  in target_xcopy_write_destination()
633 	cdb[0] = WRITE_16;  in target_xcopy_write_destination()
640 			  DMA_TO_DEVICE, 0, &xpt_cmd.sense_buffer[0], 0,  in target_xcopy_write_destination()
642 	rc = target_xcopy_setup_pt_cmd(&xpt_cmd, xop, dst_dev, &cdb[0],  in target_xcopy_write_destination()
644 	if (rc < 0) {  in target_xcopy_write_destination()
650 	if (rc < 0)  in target_xcopy_write_destination()
653 	transport_generic_free_cmd(se_cmd, 0);  in target_xcopy_write_destination()
664 	int rc = 0;  in target_xcopy_do_work()
666 	unsigned int copied_bytes = 0;  in target_xcopy_do_work()
721 			if (rc < 0)  in target_xcopy_do_work()
730 		if (rc < 0)  in target_xcopy_do_work()
742 		if (rc < 0)  in target_xcopy_do_work()
802 	list_id = p[0];  in target_parse_xcopy_cmd()
803 	list_id_usage = (p[1] & 0x18) >> 3;  in target_parse_xcopy_cmd()
818 	if (inline_dl != 0) {  in target_parse_xcopy_cmd()
831 	pr_debug("Processing XCOPY with list_id: 0x%02x list_id_usage: 0x%02x"  in target_parse_xcopy_cmd()
842 	if (rc <= 0)  in target_parse_xcopy_cmd()
849 	if (rc <= 0)  in target_parse_xcopy_cmd()
885 	sa = se_cmd->t_task_cdb[1] & 0x1f;  in target_do_xcopy()
886 	if (sa != 0x00) {  in target_do_xcopy()
891 	if (se_cmd->data_length == 0) {  in target_do_xcopy()
937 	p[4] = 0x1;  in target_rcr_operating_parameters()
955 	 * MAXIMUM INLINE DATA LENGTH for SA 0x04 (NOT SUPPORTED)  in target_rcr_operating_parameters()
957 	put_unaligned_be32(0x0, &p[20]);  in target_rcr_operating_parameters()
961 	put_unaligned_be32(0x0, &p[24]);  in target_rcr_operating_parameters()
965 	put_unaligned_be32(0x0, &p[28]);  in target_rcr_operating_parameters()
989 	p[43] = 0x2;  in target_rcr_operating_parameters()
993 	p[44] = 0x02; /* Copy Block to Block device */  in target_rcr_operating_parameters()
994 	p[45] = 0xe4; /* Identification descriptor target descriptor */  in target_rcr_operating_parameters()
999 	put_unaligned_be32(42, &p[0]);  in target_rcr_operating_parameters()
1009 	unsigned char *cdb = &se_cmd->t_task_cdb[0];  in target_do_receive_copy_results()
1010 	int sa = (cdb[1] & 0x1f), list_id = cdb[2];  in target_do_receive_copy_results()
1019 	pr_debug("Entering target_do_receive_copy_results: SA: 0x%02x, List ID:"  in target_do_receive_copy_results()
1020 		" 0x%02x, AL: %u\n", sa, list_id, se_cmd->data_length);  in target_do_receive_copy_results()
1022 	if (list_id != 0) {  in target_do_receive_copy_results()
1036 		pr_err("Unsupported SA for receive copy results: 0x%02x\n", sa);  in target_do_receive_copy_results()