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()
72 spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_inquiry_std()  argument
81 		buf[1] = 0x80;  in spc_emulate_inquiry_std()
83 	buf[2] = 0x06; /* SPC-4 */  in spc_emulate_inquiry_std()
95 	buf[3] = 2;  in spc_emulate_inquiry_std()
100 	spc_fill_alua_data(lun, buf);  in spc_emulate_inquiry_std()
106 		buf[5] |= 0x8;  in spc_emulate_inquiry_std()
115 			buf[5] |= 0x1;  in spc_emulate_inquiry_std()
122 		buf[6] |= 0x10;  in spc_emulate_inquiry_std()
124 	buf[7] = 0x2; /* CmdQue=1 */  in spc_emulate_inquiry_std()
131 	memset(&buf[8], 0x20,  in spc_emulate_inquiry_std()
133 	memcpy(&buf[8], dev->t10_wwn.vendor,  in spc_emulate_inquiry_std()
135 	memcpy(&buf[16], dev->t10_wwn.model,  in spc_emulate_inquiry_std()
137 	memcpy(&buf[32], dev->t10_wwn.revision,  in spc_emulate_inquiry_std()
143 	put_unaligned_be16(SCSI_VERSION_DESCRIPTOR_SAM5, &buf[58]);  in spc_emulate_inquiry_std()
144 	put_unaligned_be16(spc_find_scsi_transport_vd(tpg->proto_id), &buf[60]);  in spc_emulate_inquiry_std()
145 	put_unaligned_be16(SCSI_VERSION_DESCRIPTOR_SPC4, &buf[62]);  in spc_emulate_inquiry_std()
147 		put_unaligned_be16(SCSI_VERSION_DESCRIPTOR_SBC3, &buf[64]);  in spc_emulate_inquiry_std()
149 	buf[4] = 91; /* Set additional length to 91 */  in spc_emulate_inquiry_std()
157 spc_emulate_evpd_80(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_80()  argument
163 		len = sprintf(&buf[4], "%s", dev->t10_wwn.unit_serial);  in spc_emulate_evpd_80()
165 		buf[3] = len;  in spc_emulate_evpd_80()
174 				    unsigned char *buf)  in spc_gen_naa_6h_vendor_specific()  argument
184 	buf[off] = 0x6 << 4;  in spc_gen_naa_6h_vendor_specific()
187 	buf[off++] |= (company_id >> 20) & 0xf;  in spc_gen_naa_6h_vendor_specific()
188 	buf[off++] = (company_id >> 12) & 0xff;  in spc_gen_naa_6h_vendor_specific()
189 	buf[off++] = (company_id >> 4) & 0xff;  in spc_gen_naa_6h_vendor_specific()
190 	buf[off] = (company_id & 0xf) << 4;  in spc_gen_naa_6h_vendor_specific()
208 			buf[off++] |= val;  in spc_gen_naa_6h_vendor_specific()
211 			buf[off] = val << 4;  in spc_gen_naa_6h_vendor_specific()
221 spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_83()  argument
247 	buf[off++] = 0x1;  in spc_emulate_evpd_83()
250 	buf[off] = 0x00;  in spc_emulate_evpd_83()
253 	buf[off++] |= 0x3;  in spc_emulate_evpd_83()
257 	buf[off++] = 0x10;  in spc_emulate_evpd_83()
260 	spc_gen_naa_6h_vendor_specific(dev, &buf[off]);  in spc_emulate_evpd_83()
279 		id_len += sprintf(&buf[off+12], "%s:%s", prod,  in spc_emulate_evpd_83()
282 	buf[off] = 0x2; /* ASCII */  in spc_emulate_evpd_83()
283 	buf[off+1] = 0x1; /* T10 Vendor ID */  in spc_emulate_evpd_83()
284 	buf[off+2] = 0x0;  in spc_emulate_evpd_83()
286 	memset(&buf[off+4], 0x20, INQUIRY_VENDOR_LEN);  in spc_emulate_evpd_83()
287 	memcpy(&buf[off+4], dev->t10_wwn.vendor,  in spc_emulate_evpd_83()
292 	buf[off+3] = id_len;  in spc_emulate_evpd_83()
312 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
313 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
314 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
316 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
318 		buf[off++] |= 0x4;  in spc_emulate_evpd_83()
320 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
324 		put_unaligned_be16(lun->lun_rtpi, &buf[off]);  in spc_emulate_evpd_83()
343 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
344 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
345 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
347 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
349 		buf[off++] |= 0x5;  in spc_emulate_evpd_83()
351 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
353 		put_unaligned_be16(tg_pt_gp_id, &buf[off]);  in spc_emulate_evpd_83()
374 		buf[off++] |= 0x1; /* CODE SET == Binary */  in spc_emulate_evpd_83()
376 		buf[off++] |= 0x6;  in spc_emulate_evpd_83()
378 		buf[off++] = 4; /* DESIGNATOR LENGTH */  in spc_emulate_evpd_83()
380 		put_unaligned_be16(lu_gp_id, &buf[off]);  in spc_emulate_evpd_83()
391 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
392 		buf[off++] |= 0x3; /* CODE SET == UTF-8 */  in spc_emulate_evpd_83()
393 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
395 		buf[off] |= 0x10;  in spc_emulate_evpd_83()
397 		buf[off++] |= 0x8;  in spc_emulate_evpd_83()
406 		scsi_name_len = sprintf(&buf[off], "%s,t,0x%04x",  in spc_emulate_evpd_83()
423 		buf[off-1] = scsi_name_len;  in spc_emulate_evpd_83()
431 		buf[off] = tpg->proto_id << 4;  in spc_emulate_evpd_83()
432 		buf[off++] |= 0x3; /* CODE SET == UTF-8 */  in spc_emulate_evpd_83()
433 		buf[off] = 0x80; /* Set PIV=1 */  in spc_emulate_evpd_83()
435 		buf[off] |= 0x20;  in spc_emulate_evpd_83()
437 		buf[off++] |= 0x8;  in spc_emulate_evpd_83()
445 		scsi_target_len = sprintf(&buf[off], "%s",  in spc_emulate_evpd_83()
462 		buf[off-1] = scsi_target_len;  in spc_emulate_evpd_83()
468 	put_unaligned_be16(len, &buf[2]); /* Page Length for VPD 0x83 */  in spc_emulate_evpd_83()
475 spc_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_86()  argument
480 	buf[3] = 0x3c;  in spc_emulate_evpd_86()
488 			buf[4] = 0x5;  in spc_emulate_evpd_86()
491 			buf[4] = 0x4;  in spc_emulate_evpd_86()
498 		buf[4] |= (0x3 << 3);  in spc_emulate_evpd_86()
502 	buf[5] = 0x07;  in spc_emulate_evpd_86()
506 		buf[6] = 0x01;  in spc_emulate_evpd_86()
510 		buf[8] = 0x10;  in spc_emulate_evpd_86()
517 spc_emulate_evpd_b0(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b0()  argument
531 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b0()
532 	buf[3] = have_tp ? 0x3c : 0x10;  in spc_emulate_evpd_b0()
535 	buf[4] = 0x01;  in spc_emulate_evpd_b0()
540 		buf[5] = 0x01;  in spc_emulate_evpd_b0()
546 		put_unaligned_be16(min / dev->dev_attrib.block_size, &buf[6]);  in spc_emulate_evpd_b0()
548 		put_unaligned_be16(1, &buf[6]);  in spc_emulate_evpd_b0()
560 	put_unaligned_be32(min_not_zero(mtl, dev->dev_attrib.hw_max_sectors), &buf[8]);  in spc_emulate_evpd_b0()
566 		put_unaligned_be32(opt / dev->dev_attrib.block_size, &buf[12]);  in spc_emulate_evpd_b0()
568 		put_unaligned_be32(dev->dev_attrib.optimal_sectors, &buf[12]);  in spc_emulate_evpd_b0()
579 	put_unaligned_be32(dev->dev_attrib.max_unmap_lba_count, &buf[20]);  in spc_emulate_evpd_b0()
585 			   &buf[24]);  in spc_emulate_evpd_b0()
590 	put_unaligned_be32(dev->dev_attrib.unmap_granularity, &buf[28]);  in spc_emulate_evpd_b0()
596 			   &buf[32]);  in spc_emulate_evpd_b0()
598 		buf[32] |= 0x80; /* Set the UGAVALID bit */  in spc_emulate_evpd_b0()
604 	put_unaligned_be64(dev->dev_attrib.max_write_same_len, &buf[36]);  in spc_emulate_evpd_b0()
611 spc_emulate_evpd_b1(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b1()  argument
615 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b1()
616 	buf[3] = 0x3c;  in spc_emulate_evpd_b1()
617 	buf[5] = dev->dev_attrib.is_nonrot ? 1 : 0;  in spc_emulate_evpd_b1()
624 spc_emulate_evpd_b2(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b2()  argument
636 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b2()
641 	put_unaligned_be16(0x0004, &buf[2]);  in spc_emulate_evpd_b2()
652 	buf[4] = 0x00;  in spc_emulate_evpd_b2()
660 		buf[5] = 0x80;  in spc_emulate_evpd_b2()
669 		buf[5] |= 0x40 | 0x20;  in spc_emulate_evpd_b2()
681 		buf[5] |= 0x04;  in spc_emulate_evpd_b2()
688 spc_emulate_evpd_b3(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_b3()  argument
692 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_evpd_b3()
693 	buf[3] = 0x0c;  in spc_emulate_evpd_b3()
694 	put_unaligned_be32(dev->t10_alua.lba_map_segment_size, &buf[8]);  in spc_emulate_evpd_b3()
695 	put_unaligned_be32(dev->t10_alua.lba_map_segment_multiplier, &buf[12]);  in spc_emulate_evpd_b3()
701 spc_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf);
719 spc_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf)  in spc_emulate_evpd_00()  argument
729 		buf[3] = ARRAY_SIZE(evpd_handlers);  in spc_emulate_evpd_00()
731 			buf[p + 4] = evpd_handlers[p].page;  in spc_emulate_evpd_00()
743 	unsigned char *buf;  in spc_emulate_inquiry()  local
748 	buf = kzalloc(SE_INQUIRY_BUF, GFP_KERNEL);  in spc_emulate_inquiry()
749 	if (!buf) {  in spc_emulate_inquiry()
754 	buf[0] = dev->transport->get_device_type(dev);  in spc_emulate_inquiry()
764 		ret = spc_emulate_inquiry_std(cmd, buf);  in spc_emulate_inquiry()
765 		len = buf[4] + 5;  in spc_emulate_inquiry()
771 			buf[1] = cdb[2];  in spc_emulate_inquiry()
772 			ret = evpd_handlers[p].emulate(cmd, buf);  in spc_emulate_inquiry()
773 			len = get_unaligned_be16(&buf[2]) + 4;  in spc_emulate_inquiry()
784 		memcpy(rbuf, buf, min_t(u32, SE_INQUIRY_BUF, cmd->data_length));  in spc_emulate_inquiry()
787 	kfree(buf);  in spc_emulate_inquiry()
973 static void spc_modesense_write_protect(unsigned char *buf, int type)  in spc_modesense_write_protect()  argument
983 		buf[0] |= 0x80; /* WP bit */  in spc_modesense_write_protect()
988 static void spc_modesense_dpofua(unsigned char *buf, int type)  in spc_modesense_dpofua()  argument
992 		buf[0] |= 0x10; /* DPOFUA bit */  in spc_modesense_dpofua()
999 static int spc_modesense_blockdesc(unsigned char *buf, u64 blocks, u32 block_size)  in spc_modesense_blockdesc()  argument
1001 	*buf++ = 8;  in spc_modesense_blockdesc()
1002 	put_unaligned_be32(min(blocks, 0xffffffffull), buf);  in spc_modesense_blockdesc()
1003 	buf += 4;  in spc_modesense_blockdesc()
1004 	put_unaligned_be32(block_size, buf);  in spc_modesense_blockdesc()
1008 static int spc_modesense_long_blockdesc(unsigned char *buf, u64 blocks, u32 block_size)  in spc_modesense_long_blockdesc()  argument
1011 		return spc_modesense_blockdesc(buf + 3, blocks, block_size) + 3;  in spc_modesense_long_blockdesc()
1013 	*buf++ = 1;		/* LONGLBA */  in spc_modesense_long_blockdesc()
1014 	buf += 2;  in spc_modesense_long_blockdesc()
1015 	*buf++ = 16;  in spc_modesense_long_blockdesc()
1016 	put_unaligned_be64(blocks, buf);  in spc_modesense_long_blockdesc()
1017 	buf += 12;  in spc_modesense_long_blockdesc()
1018 	put_unaligned_be32(block_size, buf);  in spc_modesense_long_blockdesc()
1027 	unsigned char buf[SE_MODE_PAGE_BUF], *rbuf;  in spc_emulate_modesense()  local
1039 	memset(buf, 0, SE_MODE_PAGE_BUF);  in spc_emulate_modesense()
1049 		spc_modesense_write_protect(&buf[length], type);  in spc_emulate_modesense()
1057 		spc_modesense_dpofua(&buf[length], type);  in spc_emulate_modesense()
1073 				length += spc_modesense_long_blockdesc(&buf[length],  in spc_emulate_modesense()
1077 				length += spc_modesense_blockdesc(&buf[length],  in spc_emulate_modesense()
1081 			length += spc_modesense_blockdesc(&buf[length], blocks,  in spc_emulate_modesense()
1105 				ret = modesense_handlers[i].emulate(cmd, pc, &buf[length]);  in spc_emulate_modesense()
1118 			length += modesense_handlers[i].emulate(cmd, pc, &buf[length]);  in spc_emulate_modesense()
1134 		put_unaligned_be16(length - 2, buf);  in spc_emulate_modesense()
1136 		buf[0] = length - 1;  in spc_emulate_modesense()
1140 		memcpy(rbuf, buf, min_t(u32, SE_MODE_PAGE_BUF, cmd->data_length));  in spc_emulate_modesense()
1155 	unsigned char *buf;  in spc_emulate_modeselect()  local
1169 	buf = transport_kmap_data_sg(cmd);  in spc_emulate_modeselect()
1170 	if (!buf)  in spc_emulate_modeselect()
1178 	page = buf[off] & 0x3f;  in spc_emulate_modeselect()
1179 	subpage = buf[off] & 0x40 ? buf[off + 1] : 0;  in spc_emulate_modeselect()
1198 	if (memcmp(buf + off, tbuf, length))  in spc_emulate_modeselect()
1214 	unsigned char buf[SE_SENSE_BUF];  in spc_emulate_request_sense()  local
1217 	memset(buf, 0, SE_SENSE_BUF);  in spc_emulate_request_sense()
1230 		scsi_build_sense_buffer(desc_format, buf, UNIT_ATTENTION,  in spc_emulate_request_sense()
1233 		scsi_build_sense_buffer(desc_format, buf, NO_SENSE, 0x0, 0x0);  in spc_emulate_request_sense()
1235 	memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));  in spc_emulate_request_sense()
1248 	unsigned char *buf;  in spc_emulate_report_luns()  local
1252 	buf = transport_kmap_data_sg(cmd);  in spc_emulate_report_luns()
1253 	if (cmd->data_length && !buf)  in spc_emulate_report_luns()
1278 		memcpy(buf + offset, &slun,  in spc_emulate_report_luns()
1294 			memcpy(buf + offset, &slun,  in spc_emulate_report_luns()
1299 	if (buf) {  in spc_emulate_report_luns()
1301 		memcpy(buf, &len, min_t(int, sizeof len, cmd->data_length));  in spc_emulate_report_luns()