40 static void spc_fill_alua_data(struct se_port *port, unsigned char *buf)  in spc_fill_alua_data()  argument
48 	buf[5]	= 0x80;  in spc_fill_alua_data()
65 		buf[5] |= tg_pt_gp->tg_pt_gp_alua_access_type;  in spc_fill_alua_data()
70 spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_inquiry_std()  argument
78 		buf[1] = 0x80;  in spc_emulate_inquiry_std()
80 	buf[2] = 0x05; /* SPC-3 */  in spc_emulate_inquiry_std()
92 	buf[3] = 2;  in spc_emulate_inquiry_std()
97 	spc_fill_alua_data(lun->lun_sep, buf);  in spc_emulate_inquiry_std()
103 		buf[5] |= 0x8;  in spc_emulate_inquiry_std()
112 			buf[5] |= 0x1;  in spc_emulate_inquiry_std()
115 	buf[7] = 0x2; /* CmdQue=1 */  in spc_emulate_inquiry_std()
117 	memcpy(&buf[8], "LIO-ORG ", 8);  in spc_emulate_inquiry_std()
118 	memset(&buf[16], 0x20, 16);  in spc_emulate_inquiry_std()
119 	memcpy(&buf[16], dev->t10_wwn.model,  in spc_emulate_inquiry_std()
121 	memcpy(&buf[32], dev->t10_wwn.revision,  in spc_emulate_inquiry_std()
123 	buf[4] = 31; /* Set additional length to 31 */  in spc_emulate_inquiry_std()
131 spc_emulate_evpd_80(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_80()  argument
137 		len = sprintf(&buf[4], "%s", dev->t10_wwn.unit_serial);  in spc_emulate_evpd_80()
139 		buf[3] = len;  in spc_emulate_evpd_80()
145 				      unsigned char *buf)  in spc_parse_naa_6h_vendor_specific()  argument
167 			buf[cnt++] |= val;  in spc_parse_naa_6h_vendor_specific()
170 			buf[cnt] = val << 4;  in spc_parse_naa_6h_vendor_specific()
180 spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_83()  argument
208 	buf[off++] = 0x1;  in spc_emulate_evpd_83()
211 	buf[off] = 0x00;  in spc_emulate_evpd_83()
214 	buf[off++] |= 0x3;  in spc_emulate_evpd_83()
218 	buf[off++] = 0x10;  in spc_emulate_evpd_83()
223 	buf[off++] = (0x6 << 4);  in spc_emulate_evpd_83()
228 	buf[off++] = 0x01;  in spc_emulate_evpd_83()
229 	buf[off++] = 0x40;  in spc_emulate_evpd_83()
230 	buf[off] = (0x5 << 4);  in spc_emulate_evpd_83()
237 	spc_parse_naa_6h_vendor_specific(dev, &buf[off]);  in spc_emulate_evpd_83()
256 		id_len += sprintf(&buf[off+12], "%s:%s", prod,  in spc_emulate_evpd_83()
259 	buf[off] = 0x2; /* ASCII */  in spc_emulate_evpd_83()
260 	buf[off+1] = 0x1; /* T10 Vendor ID */  in spc_emulate_evpd_83()
261 	buf[off+2] = 0x0;  in spc_emulate_evpd_83()
262 	memcpy(&buf[off+4], "LIO-ORG", 8);  in spc_emulate_evpd_83()
266 	buf[off+3] = id_len;  in spc_emulate_evpd_83()
289 		buf[off] =  in spc_emulate_evpd_83()
291 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
292 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
294 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
296 		buf[off++] |= 0x4;  in spc_emulate_evpd_83()
298 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
302 		buf[off++] = ((port->sep_rtpi >> 8) & 0xff);  in spc_emulate_evpd_83()
303 		buf[off++] = (port->sep_rtpi & 0xff);  in spc_emulate_evpd_83()
325 		buf[off] =  in spc_emulate_evpd_83()
327 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
328 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
330 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
332 		buf[off++] |= 0x5;  in spc_emulate_evpd_83()
334 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
336 		buf[off++] = ((tg_pt_gp_id >> 8) & 0xff);  in spc_emulate_evpd_83()
337 		buf[off++] = (tg_pt_gp_id & 0xff);  in spc_emulate_evpd_83()
357 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
359 		buf[off++] |= 0x6;  in spc_emulate_evpd_83()
361 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
363 		buf[off++] = ((lu_gp_id >> 8) & 0xff);  in spc_emulate_evpd_83()
364 		buf[off++] = (lu_gp_id & 0xff);  in spc_emulate_evpd_83()
374 		buf[off] =  in spc_emulate_evpd_83()
376 		buf[off++] |= 0x3; /* CODE SET == UTF-8 */  in spc_emulate_evpd_83()
377 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
379 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
381 		buf[off++] |= 0x8;  in spc_emulate_evpd_83()
390 		scsi_name_len = sprintf(&buf[off], "%s,t,0x%04x",  in spc_emulate_evpd_83()
407 		buf[off-1] = scsi_name_len;  in spc_emulate_evpd_83()
415 		buf[off] =  in spc_emulate_evpd_83()
417 		buf[off++] |= 0x3; /* CODE SET == UTF-8 */  in spc_emulate_evpd_83()
418 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
420 		buf[off] |= 0x20;  in spc_emulate_evpd_83()
422 		buf[off++] |= 0x8;  in spc_emulate_evpd_83()
430 		scsi_target_len = sprintf(&buf[off], "%s",  in spc_emulate_evpd_83()
447 		buf[off-1] = scsi_target_len;  in spc_emulate_evpd_83()
453 	buf[2] = ((len >> 8) & 0xff);  in spc_emulate_evpd_83()
454 	buf[3] = (len & 0xff); /* Page Length for VPD 0x83 */  in spc_emulate_evpd_83()
461 spc_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_86()  argument
466 	buf[3] = 0x3c;  in spc_emulate_evpd_86()
474 			buf[4] = 0x5;  in spc_emulate_evpd_86()
477 			buf[4] = 0x4;  in spc_emulate_evpd_86()
481 	buf[5] = 0x07;  in spc_emulate_evpd_86()
485 		buf[6] = 0x01;  in spc_emulate_evpd_86()
489 		buf[8] = 0x10;  in spc_emulate_evpd_86()
496 spc_emulate_evpd_b0(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b0()  argument
510 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b0()
511 	buf[3] = have_tp ? 0x3c : 0x10;  in spc_emulate_evpd_b0()
514 	buf[4] = 0x01;  in spc_emulate_evpd_b0()
519 		buf[5] = 0x01;  in spc_emulate_evpd_b0()
525 		put_unaligned_be16(min / dev->dev_attrib.block_size, &buf[6]);  in spc_emulate_evpd_b0()
527 		put_unaligned_be16(1, &buf[6]);  in spc_emulate_evpd_b0()
532 	put_unaligned_be32(dev->dev_attrib.hw_max_sectors, &buf[8]);  in spc_emulate_evpd_b0()
538 		put_unaligned_be32(opt / dev->dev_attrib.block_size, &buf[12]);  in spc_emulate_evpd_b0()
540 		put_unaligned_be32(dev->dev_attrib.optimal_sectors, &buf[12]);  in spc_emulate_evpd_b0()
551 	put_unaligned_be32(dev->dev_attrib.max_unmap_lba_count, &buf[20]);  in spc_emulate_evpd_b0()
557 			   &buf[24]);  in spc_emulate_evpd_b0()
562 	put_unaligned_be32(dev->dev_attrib.unmap_granularity, &buf[28]);  in spc_emulate_evpd_b0()
568 			   &buf[32]);  in spc_emulate_evpd_b0()
570 		buf[32] |= 0x80; /* Set the UGAVALID bit */  in spc_emulate_evpd_b0()
576 	put_unaligned_be64(dev->dev_attrib.max_write_same_len, &buf[36]);  in spc_emulate_evpd_b0()
583 spc_emulate_evpd_b1(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b1()  argument
587 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b1()
588 	buf[3] = 0x3c;  in spc_emulate_evpd_b1()
589 	buf[5] = dev->dev_attrib.is_nonrot ? 1 : 0;  in spc_emulate_evpd_b1()
596 spc_emulate_evpd_b2(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b2()  argument
608 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b2()
613 	put_unaligned_be16(0x0004, &buf[2]);  in spc_emulate_evpd_b2()
624 	buf[4] = 0x00;  in spc_emulate_evpd_b2()
632 		buf[5] = 0x80;  in spc_emulate_evpd_b2()
641 		buf[5] |= 0x40 | 0x20;  in spc_emulate_evpd_b2()
648 spc_emulate_evpd_b3(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b3()  argument
652 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b3()
653 	buf[3] = 0x0c;  in spc_emulate_evpd_b3()
654 	put_unaligned_be32(dev->t10_alua.lba_map_segment_size, &buf[8]);  in spc_emulate_evpd_b3()
655 	put_unaligned_be32(dev->t10_alua.lba_map_segment_multiplier, &buf[12]);  in spc_emulate_evpd_b3()
661 spc_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf);
679 spc_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_00()  argument
689 		buf[3] = ARRAY_SIZE(evpd_handlers);  in spc_emulate_evpd_00()
691 			buf[p + 4] = evpd_handlers[p].page;  in spc_emulate_evpd_00()
704 	unsigned char *buf;  in spc_emulate_inquiry()  local
709 	buf = kzalloc(SE_INQUIRY_BUF, GFP_KERNEL);  in spc_emulate_inquiry()
710 	if (!buf) {  in spc_emulate_inquiry()
716 		buf[0] = 0x3f; /* Not connected */  in spc_emulate_inquiry()
718 		buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_inquiry()
728 		ret = spc_emulate_inquiry_std(cmd, buf);  in spc_emulate_inquiry()
729 		len = buf[4] + 5;  in spc_emulate_inquiry()
735 			buf[1] = cdb[2];  in spc_emulate_inquiry()
736 			ret = evpd_handlers[p].emulate(cmd, buf);  in spc_emulate_inquiry()
737 			len = get_unaligned_be16(&buf[2]) + 4;  in spc_emulate_inquiry()
748 		memcpy(rbuf, buf, min_t(u32, SE_INQUIRY_BUF, cmd->data_length));  in spc_emulate_inquiry()
751 	kfree(buf);  in spc_emulate_inquiry()
923 static void spc_modesense_write_protect(unsigned char *buf, int type)  in spc_modesense_write_protect()  argument
933 		buf[0] |= 0x80; /* WP bit */  in spc_modesense_write_protect()
938 static void spc_modesense_dpofua(unsigned char *buf, int type)  in spc_modesense_dpofua()  argument
942 		buf[0] |= 0x10; /* DPOFUA bit */  in spc_modesense_dpofua()
949 static int spc_modesense_blockdesc(unsigned char *buf, u64 blocks, u32 block_size)  in spc_modesense_blockdesc()  argument
951 	*buf++ = 8;  in spc_modesense_blockdesc()
952 	put_unaligned_be32(min(blocks, 0xffffffffull), buf);  in spc_modesense_blockdesc()
953 	buf += 4;  in spc_modesense_blockdesc()
954 	put_unaligned_be32(block_size, buf);  in spc_modesense_blockdesc()
958 static int spc_modesense_long_blockdesc(unsigned char *buf, u64 blocks, u32 block_size)  in spc_modesense_long_blockdesc()  argument
961 		return spc_modesense_blockdesc(buf + 3, blocks, block_size) + 3;  in spc_modesense_long_blockdesc()
963 	*buf++ = 1;		/* LONGLBA */  in spc_modesense_long_blockdesc()
964 	buf += 2;  in spc_modesense_long_blockdesc()
965 	*buf++ = 16;  in spc_modesense_long_blockdesc()
966 	put_unaligned_be64(blocks, buf);  in spc_modesense_long_blockdesc()
967 	buf += 12;  in spc_modesense_long_blockdesc()
968 	put_unaligned_be32(block_size, buf);  in spc_modesense_long_blockdesc()
977 	unsigned char buf[SE_MODE_PAGE_BUF], *rbuf;  in spc_emulate_modesense()  local
989 	memset(buf, 0, SE_MODE_PAGE_BUF);  in spc_emulate_modesense()
1001 		spc_modesense_write_protect(&buf[length], type);  in spc_emulate_modesense()
1005 		spc_modesense_dpofua(&buf[length], type);  in spc_emulate_modesense()
1021 				length += spc_modesense_long_blockdesc(&buf[length],  in spc_emulate_modesense()
1025 				length += spc_modesense_blockdesc(&buf[length],  in spc_emulate_modesense()
1029 			length += spc_modesense_blockdesc(&buf[length], blocks,  in spc_emulate_modesense()
1053 				ret = modesense_handlers[i].emulate(cmd, pc, &buf[length]);  in spc_emulate_modesense()
1066 			length += modesense_handlers[i].emulate(cmd, pc, &buf[length]);  in spc_emulate_modesense()
1082 		put_unaligned_be16(length - 2, buf);  in spc_emulate_modesense()
1084 		buf[0] = length - 1;  in spc_emulate_modesense()
1088 		memcpy(rbuf, buf, min_t(u32, SE_MODE_PAGE_BUF, cmd->data_length));  in spc_emulate_modesense()
1103 	unsigned char *buf;  in spc_emulate_modeselect()  local
1117 	buf = transport_kmap_data_sg(cmd);  in spc_emulate_modeselect()
1118 	if (!buf)  in spc_emulate_modeselect()
1126 	page = buf[off] & 0x3f;  in spc_emulate_modeselect()
1127 	subpage = buf[off] & 0x40 ? buf[off + 1] : 0;  in spc_emulate_modeselect()
1146 	if (memcmp(buf + off, tbuf, length))  in spc_emulate_modeselect()
1162 	unsigned char buf[SE_SENSE_BUF];  in spc_emulate_request_sense()  local
1164 	memset(buf, 0, SE_SENSE_BUF);  in spc_emulate_request_sense()
1180 		buf[0] = 0x70;  in spc_emulate_request_sense()
1181 		buf[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;  in spc_emulate_request_sense()
1186 		buf[SPC_ASC_KEY_OFFSET] = ua_asc;  in spc_emulate_request_sense()
1187 		buf[SPC_ASCQ_KEY_OFFSET] = ua_ascq;  in spc_emulate_request_sense()
1188 		buf[7] = 0x0A;  in spc_emulate_request_sense()
1193 		buf[0] = 0x70;  in spc_emulate_request_sense()
1194 		buf[SPC_SENSE_KEY_OFFSET] = NO_SENSE;  in spc_emulate_request_sense()
1199 		buf[SPC_ASC_KEY_OFFSET] = 0x00;  in spc_emulate_request_sense()
1200 		buf[7] = 0x0A;  in spc_emulate_request_sense()
1203 	memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));  in spc_emulate_request_sense()
1214 	unsigned char *buf;  in spc_emulate_report_luns()  local
1223 	buf = transport_kmap_data_sg(cmd);  in spc_emulate_report_luns()
1224 	if (!buf)  in spc_emulate_report_luns()
1233 		int_to_scsilun(0, (struct scsi_lun *)&buf[offset]);  in spc_emulate_report_luns()
1252 		int_to_scsilun(deve->mapped_lun, (struct scsi_lun *)&buf[offset]);  in spc_emulate_report_luns()
1262 	buf[0] = ((lun_count >> 24) & 0xff);  in spc_emulate_report_luns()
1263 	buf[1] = ((lun_count >> 16) & 0xff);  in spc_emulate_report_luns()
1264 	buf[2] = ((lun_count >> 8) & 0xff);  in spc_emulate_report_luns()
1265 	buf[3] = (lun_count & 0xff);  in spc_emulate_report_luns()