41 static void spc_fill_alua_data(struct se_lun *lun, unsigned char *buf)  in spc_fill_alua_data()  argument
48 	buf[5]	= 0x80;  in spc_fill_alua_data()
59 		buf[5] |= tg_pt_gp->tg_pt_gp_alua_access_type;  in spc_fill_alua_data()
64 spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_inquiry_std()  argument
72 		buf[1] = 0x80;  in spc_emulate_inquiry_std()
74 	buf[2] = 0x05; /* SPC-3 */  in spc_emulate_inquiry_std()
86 	buf[3] = 2;  in spc_emulate_inquiry_std()
91 	spc_fill_alua_data(lun, buf);  in spc_emulate_inquiry_std()
97 		buf[5] |= 0x8;  in spc_emulate_inquiry_std()
106 			buf[5] |= 0x1;  in spc_emulate_inquiry_std()
109 	buf[7] = 0x2; /* CmdQue=1 */  in spc_emulate_inquiry_std()
111 	memcpy(&buf[8], "LIO-ORG ", 8);  in spc_emulate_inquiry_std()
112 	memset(&buf[16], 0x20, 16);  in spc_emulate_inquiry_std()
113 	memcpy(&buf[16], dev->t10_wwn.model,  in spc_emulate_inquiry_std()
115 	memcpy(&buf[32], dev->t10_wwn.revision,  in spc_emulate_inquiry_std()
117 	buf[4] = 31; /* Set additional length to 31 */  in spc_emulate_inquiry_std()
125 spc_emulate_evpd_80(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_80()  argument
131 		len = sprintf(&buf[4], "%s", dev->t10_wwn.unit_serial);  in spc_emulate_evpd_80()
133 		buf[3] = len;  in spc_emulate_evpd_80()
139 				      unsigned char *buf)  in spc_parse_naa_6h_vendor_specific()  argument
161 			buf[cnt++] |= val;  in spc_parse_naa_6h_vendor_specific()
164 			buf[cnt] = val << 4;  in spc_parse_naa_6h_vendor_specific()
174 spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_83()  argument
200 	buf[off++] = 0x1;  in spc_emulate_evpd_83()
203 	buf[off] = 0x00;  in spc_emulate_evpd_83()
206 	buf[off++] |= 0x3;  in spc_emulate_evpd_83()
210 	buf[off++] = 0x10;  in spc_emulate_evpd_83()
215 	buf[off++] = (0x6 << 4);  in spc_emulate_evpd_83()
220 	buf[off++] = 0x01;  in spc_emulate_evpd_83()
221 	buf[off++] = 0x40;  in spc_emulate_evpd_83()
222 	buf[off] = (0x5 << 4);  in spc_emulate_evpd_83()
229 	spc_parse_naa_6h_vendor_specific(dev, &buf[off]);  in spc_emulate_evpd_83()
248 		id_len += sprintf(&buf[off+12], "%s:%s", prod,  in spc_emulate_evpd_83()
251 	buf[off] = 0x2; /* ASCII */  in spc_emulate_evpd_83()
252 	buf[off+1] = 0x1; /* T10 Vendor ID */  in spc_emulate_evpd_83()
253 	buf[off+2] = 0x0;  in spc_emulate_evpd_83()
254 	memcpy(&buf[off+4], "LIO-ORG", 8);  in spc_emulate_evpd_83()
258 	buf[off+3] = id_len;  in spc_emulate_evpd_83()
278 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
279 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
280 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
282 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
284 		buf[off++] |= 0x4;  in spc_emulate_evpd_83()
286 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
290 		put_unaligned_be16(lun->lun_rtpi, &buf[off]);  in spc_emulate_evpd_83()
309 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
310 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
311 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
313 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
315 		buf[off++] |= 0x5;  in spc_emulate_evpd_83()
317 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
319 		put_unaligned_be16(tg_pt_gp_id, &buf[off]);  in spc_emulate_evpd_83()
340 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
342 		buf[off++] |= 0x6;  in spc_emulate_evpd_83()
344 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
346 		put_unaligned_be16(lu_gp_id, &buf[off]);  in spc_emulate_evpd_83()
357 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
358 		buf[off++] |= 0x3; /* CODE SET == UTF-8 */  in spc_emulate_evpd_83()
359 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
361 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
363 		buf[off++] |= 0x8;  in spc_emulate_evpd_83()
372 		scsi_name_len = sprintf(&buf[off], "%s,t,0x%04x",  in spc_emulate_evpd_83()
389 		buf[off-1] = scsi_name_len;  in spc_emulate_evpd_83()
397 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
398 		buf[off++] |= 0x3; /* CODE SET == UTF-8 */  in spc_emulate_evpd_83()
399 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
401 		buf[off] |= 0x20;  in spc_emulate_evpd_83()
403 		buf[off++] |= 0x8;  in spc_emulate_evpd_83()
411 		scsi_target_len = sprintf(&buf[off], "%s",  in spc_emulate_evpd_83()
428 		buf[off-1] = scsi_target_len;  in spc_emulate_evpd_83()
434 	put_unaligned_be16(len, &buf[2]); /* Page Length for VPD 0x83 */  in spc_emulate_evpd_83()
441 spc_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_86()  argument
446 	buf[3] = 0x3c;  in spc_emulate_evpd_86()
454 			buf[4] = 0x5;  in spc_emulate_evpd_86()
457 			buf[4] = 0x4;  in spc_emulate_evpd_86()
464 		buf[4] |= (0x3 << 3);  in spc_emulate_evpd_86()
468 	buf[5] = 0x07;  in spc_emulate_evpd_86()
472 		buf[6] = 0x01;  in spc_emulate_evpd_86()
476 		buf[8] = 0x10;  in spc_emulate_evpd_86()
483 spc_emulate_evpd_b0(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b0()  argument
497 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b0()
498 	buf[3] = have_tp ? 0x3c : 0x10;  in spc_emulate_evpd_b0()
501 	buf[4] = 0x01;  in spc_emulate_evpd_b0()
506 		buf[5] = 0x01;  in spc_emulate_evpd_b0()
512 		put_unaligned_be16(min / dev->dev_attrib.block_size, &buf[6]);  in spc_emulate_evpd_b0()
514 		put_unaligned_be16(1, &buf[6]);  in spc_emulate_evpd_b0()
526 	put_unaligned_be32(min_not_zero(mtl, dev->dev_attrib.hw_max_sectors), &buf[8]);  in spc_emulate_evpd_b0()
532 		put_unaligned_be32(opt / dev->dev_attrib.block_size, &buf[12]);  in spc_emulate_evpd_b0()
534 		put_unaligned_be32(dev->dev_attrib.optimal_sectors, &buf[12]);  in spc_emulate_evpd_b0()
545 	put_unaligned_be32(dev->dev_attrib.max_unmap_lba_count, &buf[20]);  in spc_emulate_evpd_b0()
551 			   &buf[24]);  in spc_emulate_evpd_b0()
556 	put_unaligned_be32(dev->dev_attrib.unmap_granularity, &buf[28]);  in spc_emulate_evpd_b0()
562 			   &buf[32]);  in spc_emulate_evpd_b0()
564 		buf[32] |= 0x80; /* Set the UGAVALID bit */  in spc_emulate_evpd_b0()
570 	put_unaligned_be64(dev->dev_attrib.max_write_same_len, &buf[36]);  in spc_emulate_evpd_b0()
577 spc_emulate_evpd_b1(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b1()  argument
581 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b1()
582 	buf[3] = 0x3c;  in spc_emulate_evpd_b1()
583 	buf[5] = dev->dev_attrib.is_nonrot ? 1 : 0;  in spc_emulate_evpd_b1()
590 spc_emulate_evpd_b2(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b2()  argument
602 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b2()
607 	put_unaligned_be16(0x0004, &buf[2]);  in spc_emulate_evpd_b2()
618 	buf[4] = 0x00;  in spc_emulate_evpd_b2()
626 		buf[5] = 0x80;  in spc_emulate_evpd_b2()
635 		buf[5] |= 0x40 | 0x20;  in spc_emulate_evpd_b2()
647 		buf[5] |= 0x04;  in spc_emulate_evpd_b2()
654 spc_emulate_evpd_b3(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b3()  argument
658 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b3()
659 	buf[3] = 0x0c;  in spc_emulate_evpd_b3()
660 	put_unaligned_be32(dev->t10_alua.lba_map_segment_size, &buf[8]);  in spc_emulate_evpd_b3()
661 	put_unaligned_be32(dev->t10_alua.lba_map_segment_multiplier, &buf[12]);  in spc_emulate_evpd_b3()
667 spc_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf);
685 spc_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_00()  argument
695 		buf[3] = ARRAY_SIZE(evpd_handlers);  in spc_emulate_evpd_00()
697 			buf[p + 4] = evpd_handlers[p].page;  in spc_emulate_evpd_00()
710 	unsigned char *buf;  in spc_emulate_inquiry()  local
715 	buf = kzalloc(SE_INQUIRY_BUF, GFP_KERNEL);  in spc_emulate_inquiry()
716 	if (!buf) {  in spc_emulate_inquiry()
722 		buf[0] = 0x3f; /* Not connected */  in spc_emulate_inquiry()
724 		buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_inquiry()
734 		ret = spc_emulate_inquiry_std(cmd, buf);  in spc_emulate_inquiry()
735 		len = buf[4] + 5;  in spc_emulate_inquiry()
741 			buf[1] = cdb[2];  in spc_emulate_inquiry()
742 			ret = evpd_handlers[p].emulate(cmd, buf);  in spc_emulate_inquiry()
743 			len = get_unaligned_be16(&buf[2]) + 4;  in spc_emulate_inquiry()
754 		memcpy(rbuf, buf, min_t(u32, SE_INQUIRY_BUF, cmd->data_length));  in spc_emulate_inquiry()
757 	kfree(buf);  in spc_emulate_inquiry()
934 static void spc_modesense_write_protect(unsigned char *buf, int type)  in spc_modesense_write_protect()  argument
944 		buf[0] |= 0x80; /* WP bit */  in spc_modesense_write_protect()
949 static void spc_modesense_dpofua(unsigned char *buf, int type)  in spc_modesense_dpofua()  argument
953 		buf[0] |= 0x10; /* DPOFUA bit */  in spc_modesense_dpofua()
960 static int spc_modesense_blockdesc(unsigned char *buf, u64 blocks, u32 block_size)  in spc_modesense_blockdesc()  argument
962 	*buf++ = 8;  in spc_modesense_blockdesc()
963 	put_unaligned_be32(min(blocks, 0xffffffffull), buf);  in spc_modesense_blockdesc()
964 	buf += 4;  in spc_modesense_blockdesc()
965 	put_unaligned_be32(block_size, buf);  in spc_modesense_blockdesc()
969 static int spc_modesense_long_blockdesc(unsigned char *buf, u64 blocks, u32 block_size)  in spc_modesense_long_blockdesc()  argument
972 		return spc_modesense_blockdesc(buf + 3, blocks, block_size) + 3;  in spc_modesense_long_blockdesc()
974 	*buf++ = 1;		/* LONGLBA */  in spc_modesense_long_blockdesc()
975 	buf += 2;  in spc_modesense_long_blockdesc()
976 	*buf++ = 16;  in spc_modesense_long_blockdesc()
977 	put_unaligned_be64(blocks, buf);  in spc_modesense_long_blockdesc()
978 	buf += 12;  in spc_modesense_long_blockdesc()
979 	put_unaligned_be32(block_size, buf);  in spc_modesense_long_blockdesc()
988 	unsigned char buf[SE_MODE_PAGE_BUF], *rbuf;  in spc_emulate_modesense()  local
1000 	memset(buf, 0, SE_MODE_PAGE_BUF);  in spc_emulate_modesense()
1010 		spc_modesense_write_protect(&buf[length], type);  in spc_emulate_modesense()
1018 		spc_modesense_dpofua(&buf[length], type);  in spc_emulate_modesense()
1034 				length += spc_modesense_long_blockdesc(&buf[length],  in spc_emulate_modesense()
1038 				length += spc_modesense_blockdesc(&buf[length],  in spc_emulate_modesense()
1042 			length += spc_modesense_blockdesc(&buf[length], blocks,  in spc_emulate_modesense()
1066 				ret = modesense_handlers[i].emulate(cmd, pc, &buf[length]);  in spc_emulate_modesense()
1079 			length += modesense_handlers[i].emulate(cmd, pc, &buf[length]);  in spc_emulate_modesense()
1095 		put_unaligned_be16(length - 2, buf);  in spc_emulate_modesense()
1097 		buf[0] = length - 1;  in spc_emulate_modesense()
1101 		memcpy(rbuf, buf, min_t(u32, SE_MODE_PAGE_BUF, cmd->data_length));  in spc_emulate_modesense()
1116 	unsigned char *buf;  in spc_emulate_modeselect()  local
1130 	buf = transport_kmap_data_sg(cmd);  in spc_emulate_modeselect()
1131 	if (!buf)  in spc_emulate_modeselect()
1139 	page = buf[off] & 0x3f;  in spc_emulate_modeselect()
1140 	subpage = buf[off] & 0x40 ? buf[off + 1] : 0;  in spc_emulate_modeselect()
1159 	if (memcmp(buf + off, tbuf, length))  in spc_emulate_modeselect()
1175 	unsigned char buf[SE_SENSE_BUF];  in spc_emulate_request_sense()  local
1178 	memset(buf, 0, SE_SENSE_BUF);  in spc_emulate_request_sense()
1191 		scsi_build_sense_buffer(desc_format, buf, UNIT_ATTENTION,  in spc_emulate_request_sense()
1194 		scsi_build_sense_buffer(desc_format, buf, NO_SENSE, 0x0, 0x0);  in spc_emulate_request_sense()
1196 	memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));  in spc_emulate_request_sense()
1209 	unsigned char *buf;  in spc_emulate_report_luns()  local
1213 	buf = transport_kmap_data_sg(cmd);  in spc_emulate_report_luns()
1214 	if (cmd->data_length && !buf)  in spc_emulate_report_luns()
1239 		memcpy(buf + offset, &slun,  in spc_emulate_report_luns()
1255 			memcpy(buf + offset, &slun,  in spc_emulate_report_luns()
1260 	if (buf) {  in spc_emulate_report_luns()
1262 		memcpy(buf, &len, min_t(int, sizeof len, cmd->data_length));  in spc_emulate_report_luns()