28 static void spc_fill_alua_data(struct se_lun *lun, unsigned char *buf)  in spc_fill_alua_data()  argument
35 	buf[5]	= 0x80;  in spc_fill_alua_data()
46 		buf[5] |= tg_pt_gp->tg_pt_gp_alua_access_type;  in spc_fill_alua_data()
51 spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_inquiry_std()  argument
59 		buf[1] = 0x80;  in spc_emulate_inquiry_std()
61 	buf[2] = 0x05; /* SPC-3 */  in spc_emulate_inquiry_std()
73 	buf[3] = 2;  in spc_emulate_inquiry_std()
78 	spc_fill_alua_data(lun, buf);  in spc_emulate_inquiry_std()
84 		buf[5] |= 0x8;  in spc_emulate_inquiry_std()
93 			buf[5] |= 0x1;  in spc_emulate_inquiry_std()
96 	buf[7] = 0x2; /* CmdQue=1 */  in spc_emulate_inquiry_std()
103 	memset(&buf[8], 0x20,  in spc_emulate_inquiry_std()
105 	memcpy(&buf[8], dev->t10_wwn.vendor,  in spc_emulate_inquiry_std()
107 	memcpy(&buf[16], dev->t10_wwn.model,  in spc_emulate_inquiry_std()
109 	memcpy(&buf[32], dev->t10_wwn.revision,  in spc_emulate_inquiry_std()
111 	buf[4] = 31; /* Set additional length to 31 */  in spc_emulate_inquiry_std()
119 spc_emulate_evpd_80(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_80()  argument
125 		len = sprintf(&buf[4], "%s", dev->t10_wwn.unit_serial);  in spc_emulate_evpd_80()
127 		buf[3] = len;  in spc_emulate_evpd_80()
133 				      unsigned char *buf)  in spc_parse_naa_6h_vendor_specific()  argument
155 			buf[cnt++] |= val;  in spc_parse_naa_6h_vendor_specific()
158 			buf[cnt] = val << 4;  in spc_parse_naa_6h_vendor_specific()
168 spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_83()  argument
194 	buf[off++] = 0x1;  in spc_emulate_evpd_83()
197 	buf[off] = 0x00;  in spc_emulate_evpd_83()
200 	buf[off++] |= 0x3;  in spc_emulate_evpd_83()
204 	buf[off++] = 0x10;  in spc_emulate_evpd_83()
209 	buf[off++] = (0x6 << 4);  in spc_emulate_evpd_83()
214 	buf[off++] = 0x01;  in spc_emulate_evpd_83()
215 	buf[off++] = 0x40;  in spc_emulate_evpd_83()
216 	buf[off] = (0x5 << 4);  in spc_emulate_evpd_83()
223 	spc_parse_naa_6h_vendor_specific(dev, &buf[off]);  in spc_emulate_evpd_83()
242 		id_len += sprintf(&buf[off+12], "%s:%s", prod,  in spc_emulate_evpd_83()
245 	buf[off] = 0x2; /* ASCII */  in spc_emulate_evpd_83()
246 	buf[off+1] = 0x1; /* T10 Vendor ID */  in spc_emulate_evpd_83()
247 	buf[off+2] = 0x0;  in spc_emulate_evpd_83()
249 	memset(&buf[off+4], 0x20, INQUIRY_VENDOR_LEN);  in spc_emulate_evpd_83()
250 	memcpy(&buf[off+4], dev->t10_wwn.vendor,  in spc_emulate_evpd_83()
255 	buf[off+3] = id_len;  in spc_emulate_evpd_83()
275 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
276 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
277 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
279 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
281 		buf[off++] |= 0x4;  in spc_emulate_evpd_83()
283 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
287 		put_unaligned_be16(lun->lun_rtpi, &buf[off]);  in spc_emulate_evpd_83()
306 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
307 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
308 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
310 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
312 		buf[off++] |= 0x5;  in spc_emulate_evpd_83()
314 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
316 		put_unaligned_be16(tg_pt_gp_id, &buf[off]);  in spc_emulate_evpd_83()
337 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
339 		buf[off++] |= 0x6;  in spc_emulate_evpd_83()
341 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
343 		put_unaligned_be16(lu_gp_id, &buf[off]);  in spc_emulate_evpd_83()
354 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
355 		buf[off++] |= 0x3; /* CODE SET == UTF-8 */  in spc_emulate_evpd_83()
356 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
358 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
360 		buf[off++] |= 0x8;  in spc_emulate_evpd_83()
369 		scsi_name_len = sprintf(&buf[off], "%s,t,0x%04x",  in spc_emulate_evpd_83()
386 		buf[off-1] = scsi_name_len;  in spc_emulate_evpd_83()
394 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
395 		buf[off++] |= 0x3; /* CODE SET == UTF-8 */  in spc_emulate_evpd_83()
396 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
398 		buf[off] |= 0x20;  in spc_emulate_evpd_83()
400 		buf[off++] |= 0x8;  in spc_emulate_evpd_83()
408 		scsi_target_len = sprintf(&buf[off], "%s",  in spc_emulate_evpd_83()
425 		buf[off-1] = scsi_target_len;  in spc_emulate_evpd_83()
431 	put_unaligned_be16(len, &buf[2]); /* Page Length for VPD 0x83 */  in spc_emulate_evpd_83()
438 spc_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_86()  argument
443 	buf[3] = 0x3c;  in spc_emulate_evpd_86()
451 			buf[4] = 0x5;  in spc_emulate_evpd_86()
454 			buf[4] = 0x4;  in spc_emulate_evpd_86()
461 		buf[4] |= (0x3 << 3);  in spc_emulate_evpd_86()
465 	buf[5] = 0x07;  in spc_emulate_evpd_86()
469 		buf[6] = 0x01;  in spc_emulate_evpd_86()
473 		buf[8] = 0x10;  in spc_emulate_evpd_86()
480 spc_emulate_evpd_b0(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b0()  argument
494 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b0()
495 	buf[3] = have_tp ? 0x3c : 0x10;  in spc_emulate_evpd_b0()
498 	buf[4] = 0x01;  in spc_emulate_evpd_b0()
503 		buf[5] = 0x01;  in spc_emulate_evpd_b0()
509 		put_unaligned_be16(min / dev->dev_attrib.block_size, &buf[6]);  in spc_emulate_evpd_b0()
511 		put_unaligned_be16(1, &buf[6]);  in spc_emulate_evpd_b0()
523 	put_unaligned_be32(min_not_zero(mtl, dev->dev_attrib.hw_max_sectors), &buf[8]);  in spc_emulate_evpd_b0()
529 		put_unaligned_be32(opt / dev->dev_attrib.block_size, &buf[12]);  in spc_emulate_evpd_b0()
531 		put_unaligned_be32(dev->dev_attrib.optimal_sectors, &buf[12]);  in spc_emulate_evpd_b0()
542 	put_unaligned_be32(dev->dev_attrib.max_unmap_lba_count, &buf[20]);  in spc_emulate_evpd_b0()
548 			   &buf[24]);  in spc_emulate_evpd_b0()
553 	put_unaligned_be32(dev->dev_attrib.unmap_granularity, &buf[28]);  in spc_emulate_evpd_b0()
559 			   &buf[32]);  in spc_emulate_evpd_b0()
561 		buf[32] |= 0x80; /* Set the UGAVALID bit */  in spc_emulate_evpd_b0()
567 	put_unaligned_be64(dev->dev_attrib.max_write_same_len, &buf[36]);  in spc_emulate_evpd_b0()
574 spc_emulate_evpd_b1(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b1()  argument
578 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b1()
579 	buf[3] = 0x3c;  in spc_emulate_evpd_b1()
580 	buf[5] = dev->dev_attrib.is_nonrot ? 1 : 0;  in spc_emulate_evpd_b1()
587 spc_emulate_evpd_b2(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b2()  argument
599 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b2()
604 	put_unaligned_be16(0x0004, &buf[2]);  in spc_emulate_evpd_b2()
615 	buf[4] = 0x00;  in spc_emulate_evpd_b2()
623 		buf[5] = 0x80;  in spc_emulate_evpd_b2()
632 		buf[5] |= 0x40 | 0x20;  in spc_emulate_evpd_b2()
644 		buf[5] |= 0x04;  in spc_emulate_evpd_b2()
651 spc_emulate_evpd_b3(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b3()  argument
655 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b3()
656 	buf[3] = 0x0c;  in spc_emulate_evpd_b3()
657 	put_unaligned_be32(dev->t10_alua.lba_map_segment_size, &buf[8]);  in spc_emulate_evpd_b3()
658 	put_unaligned_be32(dev->t10_alua.lba_map_segment_multiplier, &buf[12]);  in spc_emulate_evpd_b3()
664 spc_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf);
682 spc_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_00()  argument
692 		buf[3] = ARRAY_SIZE(evpd_handlers);  in spc_emulate_evpd_00()
694 			buf[p + 4] = evpd_handlers[p].page;  in spc_emulate_evpd_00()
707 	unsigned char *buf;  in spc_emulate_inquiry()  local
712 	buf = kzalloc(SE_INQUIRY_BUF, GFP_KERNEL);  in spc_emulate_inquiry()
713 	if (!buf) {  in spc_emulate_inquiry()
719 		buf[0] = 0x3f; /* Not connected */  in spc_emulate_inquiry()
721 		buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_inquiry()
731 		ret = spc_emulate_inquiry_std(cmd, buf);  in spc_emulate_inquiry()
732 		len = buf[4] + 5;  in spc_emulate_inquiry()
738 			buf[1] = cdb[2];  in spc_emulate_inquiry()
739 			ret = evpd_handlers[p].emulate(cmd, buf);  in spc_emulate_inquiry()
740 			len = get_unaligned_be16(&buf[2]) + 4;  in spc_emulate_inquiry()
751 		memcpy(rbuf, buf, min_t(u32, SE_INQUIRY_BUF, cmd->data_length));  in spc_emulate_inquiry()
754 	kfree(buf);  in spc_emulate_inquiry()
940 static void spc_modesense_write_protect(unsigned char *buf, int type)  in spc_modesense_write_protect()  argument
950 		buf[0] |= 0x80; /* WP bit */  in spc_modesense_write_protect()
955 static void spc_modesense_dpofua(unsigned char *buf, int type)  in spc_modesense_dpofua()  argument
959 		buf[0] |= 0x10; /* DPOFUA bit */  in spc_modesense_dpofua()
966 static int spc_modesense_blockdesc(unsigned char *buf, u64 blocks, u32 block_size)  in spc_modesense_blockdesc()  argument
968 	*buf++ = 8;  in spc_modesense_blockdesc()
969 	put_unaligned_be32(min(blocks, 0xffffffffull), buf);  in spc_modesense_blockdesc()
970 	buf += 4;  in spc_modesense_blockdesc()
971 	put_unaligned_be32(block_size, buf);  in spc_modesense_blockdesc()
975 static int spc_modesense_long_blockdesc(unsigned char *buf, u64 blocks, u32 block_size)  in spc_modesense_long_blockdesc()  argument
978 		return spc_modesense_blockdesc(buf + 3, blocks, block_size) + 3;  in spc_modesense_long_blockdesc()
980 	*buf++ = 1;		/* LONGLBA */  in spc_modesense_long_blockdesc()
981 	buf += 2;  in spc_modesense_long_blockdesc()
982 	*buf++ = 16;  in spc_modesense_long_blockdesc()
983 	put_unaligned_be64(blocks, buf);  in spc_modesense_long_blockdesc()
984 	buf += 12;  in spc_modesense_long_blockdesc()
985 	put_unaligned_be32(block_size, buf);  in spc_modesense_long_blockdesc()
994 	unsigned char buf[SE_MODE_PAGE_BUF], *rbuf;  in spc_emulate_modesense()  local
1006 	memset(buf, 0, SE_MODE_PAGE_BUF);  in spc_emulate_modesense()
1016 		spc_modesense_write_protect(&buf[length], type);  in spc_emulate_modesense()
1024 		spc_modesense_dpofua(&buf[length], type);  in spc_emulate_modesense()
1040 				length += spc_modesense_long_blockdesc(&buf[length],  in spc_emulate_modesense()
1044 				length += spc_modesense_blockdesc(&buf[length],  in spc_emulate_modesense()
1048 			length += spc_modesense_blockdesc(&buf[length], blocks,  in spc_emulate_modesense()
1072 				ret = modesense_handlers[i].emulate(cmd, pc, &buf[length]);  in spc_emulate_modesense()
1085 			length += modesense_handlers[i].emulate(cmd, pc, &buf[length]);  in spc_emulate_modesense()
1101 		put_unaligned_be16(length - 2, buf);  in spc_emulate_modesense()
1103 		buf[0] = length - 1;  in spc_emulate_modesense()
1107 		memcpy(rbuf, buf, min_t(u32, SE_MODE_PAGE_BUF, cmd->data_length));  in spc_emulate_modesense()
1122 	unsigned char *buf;  in spc_emulate_modeselect()  local
1136 	buf = transport_kmap_data_sg(cmd);  in spc_emulate_modeselect()
1137 	if (!buf)  in spc_emulate_modeselect()
1145 	page = buf[off] & 0x3f;  in spc_emulate_modeselect()
1146 	subpage = buf[off] & 0x40 ? buf[off + 1] : 0;  in spc_emulate_modeselect()
1165 	if (memcmp(buf + off, tbuf, length))  in spc_emulate_modeselect()
1181 	unsigned char buf[SE_SENSE_BUF];  in spc_emulate_request_sense()  local
1184 	memset(buf, 0, SE_SENSE_BUF);  in spc_emulate_request_sense()
1197 		scsi_build_sense_buffer(desc_format, buf, UNIT_ATTENTION,  in spc_emulate_request_sense()
1200 		scsi_build_sense_buffer(desc_format, buf, NO_SENSE, 0x0, 0x0);  in spc_emulate_request_sense()
1202 	memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));  in spc_emulate_request_sense()
1215 	unsigned char *buf;  in spc_emulate_report_luns()  local
1219 	buf = transport_kmap_data_sg(cmd);  in spc_emulate_report_luns()
1220 	if (cmd->data_length && !buf)  in spc_emulate_report_luns()
1245 		memcpy(buf + offset, &slun,  in spc_emulate_report_luns()
1261 			memcpy(buf + offset, &slun,  in spc_emulate_report_luns()
1266 	if (buf) {  in spc_emulate_report_luns()
1268 		memcpy(buf, &len, min_t(int, sizeof len, cmd->data_length));  in spc_emulate_report_luns()