1 /* 2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. 3 * All rights reserved 4 * www.brocade.com 5 * 6 * Linux driver for Brocade Fibre Channel Host Bus Adapter. 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License (GPL) Version 2 as 10 * published by the Free Software Foundation 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 */ 17 18 #ifndef __BFA_FC_H__ 19 #define __BFA_FC_H__ 20 21 #include "bfad_drv.h" 22 23 typedef u64 wwn_t; 24 25 #define WWN_NULL (0) 26 #define FC_SYMNAME_MAX 256 /* max name server symbolic name size */ 27 28 #pragma pack(1) 29 30 #define MAC_ADDRLEN (6) 31 struct mac_s { u8 mac[MAC_ADDRLEN]; }; 32 #define mac_t struct mac_s 33 34 /* 35 * generic SCSI cdb definition 36 */ 37 #define SCSI_MAX_CDBLEN 16 38 struct scsi_cdb_s { 39 u8 scsi_cdb[SCSI_MAX_CDBLEN]; 40 }; 41 42 /* ------------------------------------------------------------ 43 * SCSI status byte values 44 * ------------------------------------------------------------ 45 */ 46 #define SCSI_STATUS_GOOD 0x00 47 #define SCSI_STATUS_CHECK_CONDITION 0x02 48 #define SCSI_STATUS_CONDITION_MET 0x04 49 #define SCSI_STATUS_BUSY 0x08 50 #define SCSI_STATUS_INTERMEDIATE 0x10 51 #define SCSI_STATUS_ICM 0x14 /* intermediate condition met */ 52 #define SCSI_STATUS_RESERVATION_CONFLICT 0x18 53 #define SCSI_STATUS_COMMAND_TERMINATED 0x22 54 #define SCSI_STATUS_QUEUE_FULL 0x28 55 #define SCSI_STATUS_ACA_ACTIVE 0x30 56 57 #define SCSI_MAX_ALLOC_LEN 0xFF /* maximum allocarion length */ 58 59 #define SCSI_SENSE_CUR_ERR 0x70 60 #define SCSI_SENSE_DEF_ERR 0x71 61 62 /* 63 * SCSI additional sense codes 64 */ 65 #define SCSI_ASC_LUN_NOT_READY 0x04 66 #define SCSI_ASC_LUN_NOT_SUPPORTED 0x25 67 #define SCSI_ASC_TOCC 0x3F 68 69 /* 70 * SCSI additional sense code qualifiers 71 */ 72 #define SCSI_ASCQ_MAN_INTR_REQ 0x03 /* manual intervention req */ 73 #define SCSI_ASCQ_RL_DATA_CHANGED 0x0E /* report luns data changed */ 74 75 /* 76 * Methods of reporting informational exceptions 77 */ 78 #define SCSI_MP_IEC_UNIT_ATTN 0x2 /* generate unit attention */ 79 80 struct scsi_report_luns_data_s { 81 u32 lun_list_length; /* length of LUN list length */ 82 u32 reserved; 83 struct scsi_lun lun[1]; /* first LUN in lun list */ 84 }; 85 86 struct scsi_inquiry_vendor_s { 87 u8 vendor_id[8]; 88 }; 89 90 struct scsi_inquiry_prodid_s { 91 u8 product_id[16]; 92 }; 93 94 struct scsi_inquiry_prodrev_s { 95 u8 product_rev[4]; 96 }; 97 98 struct scsi_inquiry_data_s { 99 #ifdef __BIG_ENDIAN 100 u8 peripheral_qual:3; /* peripheral qualifier */ 101 u8 device_type:5; /* peripheral device type */ 102 u8 rmb:1; /* removable medium bit */ 103 u8 device_type_mod:7; /* device type modifier */ 104 u8 version; 105 u8 aenc:1; /* async evt notification capability */ 106 u8 trm_iop:1; /* terminate I/O process */ 107 u8 norm_aca:1; /* normal ACA supported */ 108 u8 hi_support:1; /* SCSI-3: supports REPORT LUNS */ 109 u8 rsp_data_format:4; 110 u8 additional_len; 111 u8 sccs:1; 112 u8 reserved1:7; 113 u8 reserved2:1; 114 u8 enc_serv:1; /* enclosure service component */ 115 u8 reserved3:1; 116 u8 multi_port:1; /* multi-port device */ 117 u8 m_chngr:1; /* device in medium transport element */ 118 u8 ack_req_q:1; /* SIP specific bit */ 119 u8 addr32:1; /* SIP specific bit */ 120 u8 addr16:1; /* SIP specific bit */ 121 u8 rel_adr:1; /* relative address */ 122 u8 w_bus32:1; 123 u8 w_bus16:1; 124 u8 synchronous:1; 125 u8 linked_commands:1; 126 u8 trans_dis:1; 127 u8 cmd_queue:1; /* command queueing supported */ 128 u8 soft_reset:1; /* soft reset alternative (VS) */ 129 #else 130 u8 device_type:5; /* peripheral device type */ 131 u8 peripheral_qual:3; /* peripheral qualifier */ 132 u8 device_type_mod:7; /* device type modifier */ 133 u8 rmb:1; /* removable medium bit */ 134 u8 version; 135 u8 rsp_data_format:4; 136 u8 hi_support:1; /* SCSI-3: supports REPORT LUNS */ 137 u8 norm_aca:1; /* normal ACA supported */ 138 u8 terminate_iop:1;/* terminate I/O process */ 139 u8 aenc:1; /* async evt notification capability */ 140 u8 additional_len; 141 u8 reserved1:7; 142 u8 sccs:1; 143 u8 addr16:1; /* SIP specific bit */ 144 u8 addr32:1; /* SIP specific bit */ 145 u8 ack_req_q:1; /* SIP specific bit */ 146 u8 m_chngr:1; /* device in medium transport element */ 147 u8 multi_port:1; /* multi-port device */ 148 u8 reserved3:1; /* TBD - Vendor Specific */ 149 u8 enc_serv:1; /* enclosure service component */ 150 u8 reserved2:1; 151 u8 soft_seset:1; /* soft reset alternative (VS) */ 152 u8 cmd_queue:1; /* command queueing supported */ 153 u8 trans_dis:1; 154 u8 linked_commands:1; 155 u8 synchronous:1; 156 u8 w_bus16:1; 157 u8 w_bus32:1; 158 u8 rel_adr:1; /* relative address */ 159 #endif 160 struct scsi_inquiry_vendor_s vendor_id; 161 struct scsi_inquiry_prodid_s product_id; 162 struct scsi_inquiry_prodrev_s product_rev; 163 u8 vendor_specific[20]; 164 u8 reserved4[40]; 165 }; 166 167 /* 168 * SCSI sense data format 169 */ 170 struct scsi_sense_s { 171 #ifdef __BIG_ENDIAN 172 u8 valid:1; 173 u8 rsp_code:7; 174 #else 175 u8 rsp_code:7; 176 u8 valid:1; 177 #endif 178 u8 seg_num; 179 #ifdef __BIG_ENDIAN 180 u8 file_mark:1; 181 u8 eom:1; /* end of media */ 182 u8 ili:1; /* incorrect length indicator */ 183 u8 reserved:1; 184 u8 sense_key:4; 185 #else 186 u8 sense_key:4; 187 u8 reserved:1; 188 u8 ili:1; /* incorrect length indicator */ 189 u8 eom:1; /* end of media */ 190 u8 file_mark:1; 191 #endif 192 u8 information[4]; /* device-type or cmd specific info */ 193 u8 add_sense_length; /* additional sense length */ 194 u8 command_info[4];/* command specific information */ 195 u8 asc; /* additional sense code */ 196 u8 ascq; /* additional sense code qualifier */ 197 u8 fru_code; /* field replaceable unit code */ 198 #ifdef __BIG_ENDIAN 199 u8 sksv:1; /* sense key specific valid */ 200 u8 c_d:1; /* command/data bit */ 201 u8 res1:2; 202 u8 bpv:1; /* bit pointer valid */ 203 u8 bpointer:3; /* bit pointer */ 204 #else 205 u8 bpointer:3; /* bit pointer */ 206 u8 bpv:1; /* bit pointer valid */ 207 u8 res1:2; 208 u8 c_d:1; /* command/data bit */ 209 u8 sksv:1; /* sense key specific valid */ 210 #endif 211 u8 fpointer[2]; /* field pointer */ 212 }; 213 214 /* 215 * Fibre Channel Header Structure (FCHS) definition 216 */ 217 struct fchs_s { 218 #ifdef __BIG_ENDIAN 219 u32 routing:4; /* routing bits */ 220 u32 cat_info:4; /* category info */ 221 #else 222 u32 cat_info:4; /* category info */ 223 u32 routing:4; /* routing bits */ 224 #endif 225 u32 d_id:24; /* destination identifier */ 226 227 u32 cs_ctl:8; /* class specific control */ 228 u32 s_id:24; /* source identifier */ 229 230 u32 type:8; /* data structure type */ 231 u32 f_ctl:24; /* initial frame control */ 232 233 u8 seq_id; /* sequence identifier */ 234 u8 df_ctl; /* data field control */ 235 u16 seq_cnt; /* sequence count */ 236 237 __be16 ox_id; /* originator exchange ID */ 238 u16 rx_id; /* responder exchange ID */ 239 240 u32 ro; /* relative offset */ 241 }; 242 243 /* 244 * routing bit definitions 245 */ 246 enum { 247 FC_RTG_FC4_DEV_DATA = 0x0, /* FC-4 Device Data */ 248 FC_RTG_EXT_LINK = 0x2, /* Extended Link Data */ 249 FC_RTG_FC4_LINK_DATA = 0x3, /* FC-4 Link Data */ 250 FC_RTG_VIDEO_DATA = 0x4, /* Video Data */ 251 FC_RTG_EXT_HDR = 0x5, /* VFT, IFR or Encapsuled */ 252 FC_RTG_BASIC_LINK = 0x8, /* Basic Link data */ 253 FC_RTG_LINK_CTRL = 0xC, /* Link Control */ 254 }; 255 256 /* 257 * information category for extended link data and FC-4 Link Data 258 */ 259 enum { 260 FC_CAT_LD_REQUEST = 0x2, /* Request */ 261 FC_CAT_LD_REPLY = 0x3, /* Reply */ 262 FC_CAT_LD_DIAG = 0xF, /* for DIAG use only */ 263 }; 264 265 /* 266 * information category for extended headers (VFT, IFR or encapsulation) 267 */ 268 enum { 269 FC_CAT_VFT_HDR = 0x0, /* Virtual fabric tagging header */ 270 FC_CAT_IFR_HDR = 0x1, /* Inter-Fabric routing header */ 271 FC_CAT_ENC_HDR = 0x2, /* Encapsulation header */ 272 }; 273 274 /* 275 * information category for FC-4 device data 276 */ 277 enum { 278 FC_CAT_UNCATEG_INFO = 0x0, /* Uncategorized information */ 279 FC_CAT_SOLICIT_DATA = 0x1, /* Solicited Data */ 280 FC_CAT_UNSOLICIT_CTRL = 0x2, /* Unsolicited Control */ 281 FC_CAT_SOLICIT_CTRL = 0x3, /* Solicited Control */ 282 FC_CAT_UNSOLICIT_DATA = 0x4, /* Unsolicited Data */ 283 FC_CAT_DATA_DESC = 0x5, /* Data Descriptor */ 284 FC_CAT_UNSOLICIT_CMD = 0x6, /* Unsolicited Command */ 285 FC_CAT_CMD_STATUS = 0x7, /* Command Status */ 286 }; 287 288 /* 289 * Type Field Definitions. FC-PH Section 18.5 pg. 165 290 */ 291 enum { 292 FC_TYPE_BLS = 0x0, /* Basic Link Service */ 293 FC_TYPE_ELS = 0x1, /* Extended Link Service */ 294 FC_TYPE_IP = 0x5, /* IP */ 295 FC_TYPE_FCP = 0x8, /* SCSI-FCP */ 296 FC_TYPE_GPP = 0x9, /* SCSI_GPP */ 297 FC_TYPE_SERVICES = 0x20, /* Fibre Channel Services */ 298 FC_TYPE_FC_FSS = 0x22, /* Fabric Switch Services */ 299 FC_TYPE_FC_AL = 0x23, /* FC-AL */ 300 FC_TYPE_FC_SNMP = 0x24, /* FC-SNMP */ 301 FC_TYPE_FC_SPINFAB = 0xEE, /* SPINFAB */ 302 FC_TYPE_FC_DIAG = 0xEF, /* DIAG */ 303 FC_TYPE_MAX = 256, /* 256 FC-4 types */ 304 }; 305 306 /* 307 * Frame Control Definitions. FC-PH Table-45. pg. 168 308 */ 309 enum { 310 FCTL_EC_ORIG = 0x000000, /* exchange originator */ 311 FCTL_EC_RESP = 0x800000, /* exchange responder */ 312 FCTL_SEQ_INI = 0x000000, /* sequence initiator */ 313 FCTL_SEQ_REC = 0x400000, /* sequence recipient */ 314 FCTL_FS_EXCH = 0x200000, /* first sequence of xchg */ 315 FCTL_LS_EXCH = 0x100000, /* last sequence of xchg */ 316 FCTL_END_SEQ = 0x080000, /* last frame of sequence */ 317 FCTL_SI_XFER = 0x010000, /* seq initiative transfer */ 318 FCTL_RO_PRESENT = 0x000008, /* relative offset present */ 319 FCTL_FILLBYTE_MASK = 0x000003 /* , fill byte mask */ 320 }; 321 322 /* 323 * Fabric Well Known Addresses 324 */ 325 enum { 326 FC_MIN_WELL_KNOWN_ADDR = 0xFFFFF0, 327 FC_DOMAIN_CONTROLLER_MASK = 0xFFFC00, 328 FC_ALIAS_SERVER = 0xFFFFF8, 329 FC_MGMT_SERVER = 0xFFFFFA, 330 FC_TIME_SERVER = 0xFFFFFB, 331 FC_NAME_SERVER = 0xFFFFFC, 332 FC_FABRIC_CONTROLLER = 0xFFFFFD, 333 FC_FABRIC_PORT = 0xFFFFFE, 334 FC_BROADCAST_SERVER = 0xFFFFFF 335 }; 336 337 /* 338 * domain/area/port defines 339 */ 340 #define FC_DOMAIN_MASK 0xFF0000 341 #define FC_DOMAIN_SHIFT 16 342 #define FC_AREA_MASK 0x00FF00 343 #define FC_AREA_SHIFT 8 344 #define FC_PORT_MASK 0x0000FF 345 #define FC_PORT_SHIFT 0 346 347 #define FC_GET_DOMAIN(p) (((p) & FC_DOMAIN_MASK) >> FC_DOMAIN_SHIFT) 348 #define FC_GET_AREA(p) (((p) & FC_AREA_MASK) >> FC_AREA_SHIFT) 349 #define FC_GET_PORT(p) (((p) & FC_PORT_MASK) >> FC_PORT_SHIFT) 350 351 #define FC_DOMAIN_CTRLR(p) (FC_DOMAIN_CONTROLLER_MASK | (FC_GET_DOMAIN(p))) 352 353 enum { 354 FC_RXID_ANY = 0xFFFFU, 355 }; 356 357 /* 358 * generic ELS command 359 */ 360 struct fc_els_cmd_s { 361 u32 els_code:8; /* ELS Command Code */ 362 u32 reserved:24; 363 }; 364 365 /* 366 * ELS Command Codes. FC-PH Table-75. pg. 223 367 */ 368 enum { 369 FC_ELS_LS_RJT = 0x1, /* Link Service Reject. */ 370 FC_ELS_ACC = 0x02, /* Accept */ 371 FC_ELS_PLOGI = 0x03, /* N_Port Login. */ 372 FC_ELS_FLOGI = 0x04, /* F_Port Login. */ 373 FC_ELS_LOGO = 0x05, /* Logout. */ 374 FC_ELS_ABTX = 0x06, /* Abort Exchange */ 375 FC_ELS_RES = 0x08, /* Read Exchange status */ 376 FC_ELS_RSS = 0x09, /* Read sequence status block */ 377 FC_ELS_RSI = 0x0A, /* Request Sequence Initiative */ 378 FC_ELS_ESTC = 0x0C, /* Estimate Credit. */ 379 FC_ELS_RTV = 0x0E, /* Read Timeout Value. */ 380 FC_ELS_RLS = 0x0F, /* Read Link Status. */ 381 FC_ELS_ECHO = 0x10, /* Echo */ 382 FC_ELS_TEST = 0x11, /* Test */ 383 FC_ELS_RRQ = 0x12, /* Reinstate Recovery Qualifier. */ 384 FC_ELS_REC = 0x13, /* Add this for TAPE support in FCR */ 385 FC_ELS_PRLI = 0x20, /* Process Login */ 386 FC_ELS_PRLO = 0x21, /* Process Logout. */ 387 FC_ELS_SCN = 0x22, /* State Change Notification. */ 388 FC_ELS_TPRLO = 0x24, /* Third Party Process Logout. */ 389 FC_ELS_PDISC = 0x50, /* Discover N_Port Parameters. */ 390 FC_ELS_FDISC = 0x51, /* Discover F_Port Parameters. */ 391 FC_ELS_ADISC = 0x52, /* Discover Address. */ 392 FC_ELS_FARP_REQ = 0x54, /* FARP Request. */ 393 FC_ELS_FARP_REP = 0x55, /* FARP Reply. */ 394 FC_ELS_FAN = 0x60, /* Fabric Address Notification */ 395 FC_ELS_RSCN = 0x61, /* Reg State Change Notification */ 396 FC_ELS_SCR = 0x62, /* State Change Registration. */ 397 FC_ELS_RTIN = 0x77, /* Mangement server request */ 398 FC_ELS_RNID = 0x78, /* Mangement server request */ 399 FC_ELS_RLIR = 0x79, /* Registered Link Incident Record */ 400 401 FC_ELS_RPSC = 0x7D, /* Report Port Speed Capabilities */ 402 FC_ELS_QSA = 0x7E, /* Query Security Attributes. Ref FC-SP */ 403 FC_ELS_E2E_LBEACON = 0x81, 404 /* End-to-End Link Beacon */ 405 FC_ELS_AUTH = 0x90, /* Authentication. Ref FC-SP */ 406 FC_ELS_RFCN = 0x97, /* Request Fabric Change Notification. Ref 407 *FC-SP */ 408 }; 409 410 /* 411 * Version numbers for FC-PH standards, 412 * used in login to indicate what port 413 * supports. See FC-PH-X table 158. 414 */ 415 enum { 416 FC_PH_VER_4_3 = 0x09, 417 FC_PH_VER_PH_3 = 0x20, 418 }; 419 420 /* 421 * PDU size defines 422 */ 423 enum { 424 FC_MIN_PDUSZ = 512, 425 FC_MAX_PDUSZ = 2112, 426 }; 427 428 /* 429 * N_Port PLOGI Common Service Parameters. 430 * FC-PH-x. Figure-76. pg. 308. 431 */ 432 struct fc_plogi_csp_s { 433 u8 verhi; /* FC-PH high version */ 434 u8 verlo; /* FC-PH low version */ 435 __be16 bbcred; /* BB_Credit */ 436 437 #ifdef __BIG_ENDIAN 438 u8 ciro:1, /* continuously increasing RO */ 439 rro:1, /* random relative offset */ 440 npiv_supp:1, /* NPIV supported */ 441 port_type:1, /* N_Port/F_port */ 442 altbbcred:1, /* alternate BB_Credit */ 443 resolution:1, /* ms/ns ED_TOV resolution */ 444 vvl_info:1, /* VVL Info included */ 445 reserved1:1; 446 447 u8 hg_supp:1, 448 query_dbc:1, 449 security:1, 450 sync_cap:1, 451 r_t_tov:1, 452 dh_dup_supp:1, 453 cisc:1, /* continuously increasing seq count */ 454 payload:1; 455 #else 456 u8 reserved2:2, 457 resolution:1, /* ms/ns ED_TOV resolution */ 458 altbbcred:1, /* alternate BB_Credit */ 459 port_type:1, /* N_Port/F_port */ 460 npiv_supp:1, /* NPIV supported */ 461 rro:1, /* random relative offset */ 462 ciro:1; /* continuously increasing RO */ 463 464 u8 payload:1, 465 cisc:1, /* continuously increasing seq count */ 466 dh_dup_supp:1, 467 r_t_tov:1, 468 sync_cap:1, 469 security:1, 470 query_dbc:1, 471 hg_supp:1; 472 #endif 473 __be16 rxsz; /* receive data_field size */ 474 __be16 conseq; 475 __be16 ro_bitmap; 476 __be32 e_d_tov; 477 }; 478 479 /* 480 * N_Port PLOGI Class Specific Parameters. 481 * FC-PH-x. Figure 78. pg. 318. 482 */ 483 struct fc_plogi_clp_s { 484 #ifdef __BIG_ENDIAN 485 u32 class_valid:1; 486 u32 intermix:1; /* class intermix supported if set =1. 487 * valid only for class1. Reserved for 488 * class2 & class3 */ 489 u32 reserved1:2; 490 u32 sequential:1; 491 u32 reserved2:3; 492 #else 493 u32 reserved2:3; 494 u32 sequential:1; 495 u32 reserved1:2; 496 u32 intermix:1; /* class intermix supported if set =1. 497 * valid only for class1. Reserved for 498 * class2 & class3 */ 499 u32 class_valid:1; 500 #endif 501 u32 reserved3:24; 502 503 u32 reserved4:16; 504 u32 rxsz:16; /* Receive data_field size */ 505 506 u32 reserved5:8; 507 u32 conseq:8; 508 u32 e2e_credit:16; /* end to end credit */ 509 510 u32 reserved7:8; 511 u32 ospx:8; 512 u32 reserved8:16; 513 }; 514 515 /* ASCII value for each character in string "BRCD" */ 516 #define FLOGI_VVL_BRCD 0x42524344 517 518 /* 519 * PLOGI els command and reply payload 520 */ 521 struct fc_logi_s { 522 struct fc_els_cmd_s els_cmd; /* ELS command code */ 523 struct fc_plogi_csp_s csp; /* common service params */ 524 wwn_t port_name; 525 wwn_t node_name; 526 struct fc_plogi_clp_s class1; /* class 1 service parameters */ 527 struct fc_plogi_clp_s class2; /* class 2 service parameters */ 528 struct fc_plogi_clp_s class3; /* class 3 service parameters */ 529 struct fc_plogi_clp_s class4; /* class 4 service parameters */ 530 u8 vvl[16]; /* vendor version level */ 531 }; 532 533 /* 534 * LOGO els command payload 535 */ 536 struct fc_logo_s { 537 struct fc_els_cmd_s els_cmd; /* ELS command code */ 538 u32 res1:8; 539 u32 nport_id:24; /* N_Port identifier of source */ 540 wwn_t orig_port_name; /* Port name of the LOGO originator */ 541 }; 542 543 /* 544 * ADISC els command payload 545 */ 546 struct fc_adisc_s { 547 struct fc_els_cmd_s els_cmd; /* ELS command code */ 548 u32 res1:8; 549 u32 orig_HA:24; /* originator hard address */ 550 wwn_t orig_port_name; /* originator port name */ 551 wwn_t orig_node_name; /* originator node name */ 552 u32 res2:8; 553 u32 nport_id:24; /* originator NPortID */ 554 }; 555 556 /* 557 * Exchange status block 558 */ 559 struct fc_exch_status_blk_s { 560 u32 oxid:16; 561 u32 rxid:16; 562 u32 res1:8; 563 u32 orig_np:24; /* originator NPortID */ 564 u32 res2:8; 565 u32 resp_np:24; /* responder NPortID */ 566 u32 es_bits; 567 u32 res3; 568 /* 569 * un modified section of the fields 570 */ 571 }; 572 573 /* 574 * RES els command payload 575 */ 576 struct fc_res_s { 577 struct fc_els_cmd_s els_cmd; /* ELS command code */ 578 u32 res1:8; 579 u32 nport_id:24; /* N_Port identifier of source */ 580 u32 oxid:16; 581 u32 rxid:16; 582 u8 assoc_hdr[32]; 583 }; 584 585 /* 586 * RES els accept payload 587 */ 588 struct fc_res_acc_s { 589 struct fc_els_cmd_s els_cmd; /* ELS command code */ 590 struct fc_exch_status_blk_s fc_exch_blk; /* Exchange status block */ 591 }; 592 593 /* 594 * REC els command payload 595 */ 596 struct fc_rec_s { 597 struct fc_els_cmd_s els_cmd; /* ELS command code */ 598 u32 res1:8; 599 u32 nport_id:24; /* N_Port identifier of source */ 600 u32 oxid:16; 601 u32 rxid:16; 602 }; 603 604 #define FC_REC_ESB_OWN_RSP 0x80000000 /* responder owns */ 605 #define FC_REC_ESB_SI 0x40000000 /* SI is owned */ 606 #define FC_REC_ESB_COMP 0x20000000 /* exchange is complete */ 607 #define FC_REC_ESB_ENDCOND_ABN 0x10000000 /* abnormal ending */ 608 #define FC_REC_ESB_RQACT 0x04000000 /* recovery qual active */ 609 #define FC_REC_ESB_ERRP_MSK 0x03000000 610 #define FC_REC_ESB_OXID_INV 0x00800000 /* invalid OXID */ 611 #define FC_REC_ESB_RXID_INV 0x00400000 /* invalid RXID */ 612 #define FC_REC_ESB_PRIO_INUSE 0x00200000 613 614 /* 615 * REC els accept payload 616 */ 617 struct fc_rec_acc_s { 618 struct fc_els_cmd_s els_cmd; /* ELS command code */ 619 u32 oxid:16; 620 u32 rxid:16; 621 u32 res1:8; 622 u32 orig_id:24; /* N_Port id of exchange originator */ 623 u32 res2:8; 624 u32 resp_id:24; /* N_Port id of exchange responder */ 625 u32 count; /* data transfer count */ 626 u32 e_stat; /* exchange status */ 627 }; 628 629 /* 630 * RSI els payload 631 */ 632 struct fc_rsi_s { 633 struct fc_els_cmd_s els_cmd; 634 u32 res1:8; 635 u32 orig_sid:24; 636 u32 oxid:16; 637 u32 rxid:16; 638 }; 639 640 /* 641 * structure for PRLI paramater pages, both request & response 642 * see FC-PH-X table 113 & 115 for explanation also FCP table 8 643 */ 644 struct fc_prli_params_s { 645 u32 reserved:16; 646 #ifdef __BIG_ENDIAN 647 u32 reserved1:5; 648 u32 rec_support:1; 649 u32 task_retry_id:1; 650 u32 retry:1; 651 652 u32 confirm:1; 653 u32 doverlay:1; 654 u32 initiator:1; 655 u32 target:1; 656 u32 cdmix:1; 657 u32 drmix:1; 658 u32 rxrdisab:1; 659 u32 wxrdisab:1; 660 #else 661 u32 retry:1; 662 u32 task_retry_id:1; 663 u32 rec_support:1; 664 u32 reserved1:5; 665 666 u32 wxrdisab:1; 667 u32 rxrdisab:1; 668 u32 drmix:1; 669 u32 cdmix:1; 670 u32 target:1; 671 u32 initiator:1; 672 u32 doverlay:1; 673 u32 confirm:1; 674 #endif 675 }; 676 677 /* 678 * valid values for rspcode in PRLI ACC payload 679 */ 680 enum { 681 FC_PRLI_ACC_XQTD = 0x1, /* request executed */ 682 FC_PRLI_ACC_PREDEF_IMG = 0x5, /* predefined image - no prli needed */ 683 }; 684 685 struct fc_prli_params_page_s { 686 u32 type:8; 687 u32 codext:8; 688 #ifdef __BIG_ENDIAN 689 u32 origprocasv:1; 690 u32 rsppav:1; 691 u32 imagepair:1; 692 u32 reserved1:1; 693 u32 rspcode:4; 694 #else 695 u32 rspcode:4; 696 u32 reserved1:1; 697 u32 imagepair:1; 698 u32 rsppav:1; 699 u32 origprocasv:1; 700 #endif 701 u32 reserved2:8; 702 703 u32 origprocas; 704 u32 rspprocas; 705 struct fc_prli_params_s servparams; 706 }; 707 708 /* 709 * PRLI request and accept payload, FC-PH-X tables 112 & 114 710 */ 711 struct fc_prli_s { 712 u32 command:8; 713 u32 pglen:8; 714 u32 pagebytes:16; 715 struct fc_prli_params_page_s parampage; 716 }; 717 718 /* 719 * PRLO logout params page 720 */ 721 struct fc_prlo_params_page_s { 722 u32 type:8; 723 u32 type_ext:8; 724 #ifdef __BIG_ENDIAN 725 u32 opa_valid:1; /* originator process associator valid */ 726 u32 rpa_valid:1; /* responder process associator valid */ 727 u32 res1:14; 728 #else 729 u32 res1:14; 730 u32 rpa_valid:1; /* responder process associator valid */ 731 u32 opa_valid:1; /* originator process associator valid */ 732 #endif 733 u32 orig_process_assc; 734 u32 resp_process_assc; 735 736 u32 res2; 737 }; 738 739 /* 740 * PRLO els command payload 741 */ 742 struct fc_prlo_s { 743 u32 command:8; 744 u32 page_len:8; 745 u32 payload_len:16; 746 struct fc_prlo_params_page_s prlo_params[1]; 747 }; 748 749 /* 750 * PRLO Logout response parameter page 751 */ 752 struct fc_prlo_acc_params_page_s { 753 u32 type:8; 754 u32 type_ext:8; 755 756 #ifdef __BIG_ENDIAN 757 u32 opa_valid:1; /* originator process associator valid */ 758 u32 rpa_valid:1; /* responder process associator valid */ 759 u32 res1:14; 760 #else 761 u32 res1:14; 762 u32 rpa_valid:1; /* responder process associator valid */ 763 u32 opa_valid:1; /* originator process associator valid */ 764 #endif 765 u32 orig_process_assc; 766 u32 resp_process_assc; 767 768 u32 fc4type_csp; 769 }; 770 771 /* 772 * PRLO els command ACC payload 773 */ 774 struct fc_prlo_acc_s { 775 u32 command:8; 776 u32 page_len:8; 777 u32 payload_len:16; 778 struct fc_prlo_acc_params_page_s prlo_acc_params[1]; 779 }; 780 781 /* 782 * SCR els command payload 783 */ 784 enum { 785 FC_SCR_REG_FUNC_FABRIC_DETECTED = 0x01, 786 FC_SCR_REG_FUNC_N_PORT_DETECTED = 0x02, 787 FC_SCR_REG_FUNC_FULL = 0x03, 788 FC_SCR_REG_FUNC_CLEAR_REG = 0xFF, 789 }; 790 791 /* SCR VU registrations */ 792 enum { 793 FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE = 0x01 794 }; 795 796 struct fc_scr_s { 797 u32 command:8; 798 u32 res:24; 799 u32 vu_reg_func:8; /* Vendor Unique Registrations */ 800 u32 res1:16; 801 u32 reg_func:8; 802 }; 803 804 /* 805 * Information category for Basic link data 806 */ 807 enum { 808 FC_CAT_NOP = 0x0, 809 FC_CAT_ABTS = 0x1, 810 FC_CAT_RMC = 0x2, 811 FC_CAT_BA_ACC = 0x4, 812 FC_CAT_BA_RJT = 0x5, 813 FC_CAT_PRMT = 0x6, 814 }; 815 816 /* 817 * LS_RJT els reply payload 818 */ 819 struct fc_ls_rjt_s { 820 struct fc_els_cmd_s els_cmd; /* ELS command code */ 821 u32 res1:8; 822 u32 reason_code:8; /* Reason code for reject */ 823 u32 reason_code_expl:8; /* Reason code explanation */ 824 u32 vendor_unique:8; /* Vendor specific */ 825 }; 826 827 /* 828 * LS_RJT reason codes 829 */ 830 enum { 831 FC_LS_RJT_RSN_INV_CMD_CODE = 0x01, 832 FC_LS_RJT_RSN_LOGICAL_ERROR = 0x03, 833 FC_LS_RJT_RSN_LOGICAL_BUSY = 0x05, 834 FC_LS_RJT_RSN_PROTOCOL_ERROR = 0x07, 835 FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD = 0x09, 836 FC_LS_RJT_RSN_CMD_NOT_SUPP = 0x0B, 837 }; 838 839 /* 840 * LS_RJT reason code explanation 841 */ 842 enum { 843 FC_LS_RJT_EXP_NO_ADDL_INFO = 0x00, 844 FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS = 0x01, 845 FC_LS_RJT_EXP_SPARMS_ERR_INI_CTL = 0x03, 846 FC_LS_RJT_EXP_SPARMS_ERR_REC_CTL = 0x05, 847 FC_LS_RJT_EXP_SPARMS_ERR_RXSZ = 0x07, 848 FC_LS_RJT_EXP_SPARMS_ERR_CONSEQ = 0x09, 849 FC_LS_RJT_EXP_SPARMS_ERR_CREDIT = 0x0B, 850 FC_LS_RJT_EXP_INV_PORT_NAME = 0x0D, 851 FC_LS_RJT_EXP_INV_NODE_FABRIC_NAME = 0x0E, 852 FC_LS_RJT_EXP_INV_CSP = 0x0F, 853 FC_LS_RJT_EXP_INV_ASSOC_HDR = 0x11, 854 FC_LS_RJT_EXP_ASSOC_HDR_REQD = 0x13, 855 FC_LS_RJT_EXP_INV_ORIG_S_ID = 0x15, 856 FC_LS_RJT_EXP_INV_OXID_RXID_COMB = 0x17, 857 FC_LS_RJT_EXP_CMD_ALREADY_IN_PROG = 0x19, 858 FC_LS_RJT_EXP_LOGIN_REQUIRED = 0x1E, 859 FC_LS_RJT_EXP_INVALID_NPORT_ID = 0x1F, 860 FC_LS_RJT_EXP_INSUFF_RES = 0x29, 861 FC_LS_RJT_EXP_CMD_NOT_SUPP = 0x2C, 862 FC_LS_RJT_EXP_INV_PAYLOAD_LEN = 0x2D, 863 }; 864 865 /* 866 * RRQ els command payload 867 */ 868 struct fc_rrq_s { 869 struct fc_els_cmd_s els_cmd; /* ELS command code */ 870 u32 res1:8; 871 u32 s_id:24; /* exchange originator S_ID */ 872 873 u32 ox_id:16; /* originator exchange ID */ 874 u32 rx_id:16; /* responder exchange ID */ 875 876 u32 res2[8]; /* optional association header */ 877 }; 878 879 /* 880 * ABTS BA_ACC reply payload 881 */ 882 struct fc_ba_acc_s { 883 u32 seq_id_valid:8; /* set to 0x00 for Abort Exchange */ 884 u32 seq_id:8; /* invalid for Abort Exchange */ 885 u32 res2:16; 886 u32 ox_id:16; /* OX_ID from ABTS frame */ 887 u32 rx_id:16; /* RX_ID from ABTS frame */ 888 u32 low_seq_cnt:16; /* set to 0x0000 for Abort Exchange */ 889 u32 high_seq_cnt:16; /* set to 0xFFFF for Abort Exchange */ 890 }; 891 892 /* 893 * ABTS BA_RJT reject payload 894 */ 895 struct fc_ba_rjt_s { 896 u32 res1:8; /* Reserved */ 897 u32 reason_code:8; /* reason code for reject */ 898 u32 reason_expl:8; /* reason code explanation */ 899 u32 vendor_unique:8; /* vendor unique reason code,set to 0 */ 900 }; 901 902 /* 903 * TPRLO logout parameter page 904 */ 905 struct fc_tprlo_params_page_s { 906 u32 type:8; 907 u32 type_ext:8; 908 909 #ifdef __BIG_ENDIAN 910 u32 opa_valid:1; 911 u32 rpa_valid:1; 912 u32 tpo_nport_valid:1; 913 u32 global_process_logout:1; 914 u32 res1:12; 915 #else 916 u32 res1:12; 917 u32 global_process_logout:1; 918 u32 tpo_nport_valid:1; 919 u32 rpa_valid:1; 920 u32 opa_valid:1; 921 #endif 922 923 u32 orig_process_assc; 924 u32 resp_process_assc; 925 926 u32 res2:8; 927 u32 tpo_nport_id; 928 }; 929 930 /* 931 * TPRLO ELS command payload 932 */ 933 struct fc_tprlo_s { 934 u32 command:8; 935 u32 page_len:8; 936 u32 payload_len:16; 937 938 struct fc_tprlo_params_page_s tprlo_params[1]; 939 }; 940 941 enum fc_tprlo_type { 942 FC_GLOBAL_LOGO = 1, 943 FC_TPR_LOGO 944 }; 945 946 /* 947 * TPRLO els command ACC payload 948 */ 949 struct fc_tprlo_acc_s { 950 u32 command:8; 951 u32 page_len:8; 952 u32 payload_len:16; 953 struct fc_prlo_acc_params_page_s tprlo_acc_params[1]; 954 }; 955 956 /* 957 * RSCN els command req payload 958 */ 959 #define FC_RSCN_PGLEN 0x4 960 961 enum fc_rscn_format { 962 FC_RSCN_FORMAT_PORTID = 0x0, 963 FC_RSCN_FORMAT_AREA = 0x1, 964 FC_RSCN_FORMAT_DOMAIN = 0x2, 965 FC_RSCN_FORMAT_FABRIC = 0x3, 966 }; 967 968 struct fc_rscn_event_s { 969 u32 format:2; 970 u32 qualifier:4; 971 u32 resvd:2; 972 u32 portid:24; 973 }; 974 975 struct fc_rscn_pl_s { 976 u8 command; 977 u8 pagelen; 978 __be16 payldlen; 979 struct fc_rscn_event_s event[1]; 980 }; 981 982 /* 983 * ECHO els command req payload 984 */ 985 struct fc_echo_s { 986 struct fc_els_cmd_s els_cmd; 987 }; 988 989 /* 990 * RNID els command 991 */ 992 #define RNID_NODEID_DATA_FORMAT_COMMON 0x00 993 #define RNID_NODEID_DATA_FORMAT_FCP3 0x08 994 #define RNID_NODEID_DATA_FORMAT_DISCOVERY 0xDF 995 996 #define RNID_ASSOCIATED_TYPE_UNKNOWN 0x00000001 997 #define RNID_ASSOCIATED_TYPE_OTHER 0x00000002 998 #define RNID_ASSOCIATED_TYPE_HUB 0x00000003 999 #define RNID_ASSOCIATED_TYPE_SWITCH 0x00000004 1000 #define RNID_ASSOCIATED_TYPE_GATEWAY 0x00000005 1001 #define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE 0x00000009 1002 #define RNID_ASSOCIATED_TYPE_HOST 0x0000000A 1003 #define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM 0x0000000B 1004 #define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE 0x0000000E 1005 #define RNID_ASSOCIATED_TYPE_NAS_SERVER 0x00000011 1006 #define RNID_ASSOCIATED_TYPE_BRIDGE 0x00000002 1007 #define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE 0x00000003 1008 #define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE 0x000000FF 1009 1010 /* 1011 * RNID els command payload 1012 */ 1013 struct fc_rnid_cmd_s { 1014 struct fc_els_cmd_s els_cmd; 1015 u32 node_id_data_format:8; 1016 u32 reserved:24; 1017 }; 1018 1019 /* 1020 * RNID els response payload 1021 */ 1022 1023 struct fc_rnid_common_id_data_s { 1024 wwn_t port_name; 1025 wwn_t node_name; 1026 }; 1027 1028 struct fc_rnid_general_topology_data_s { 1029 u32 vendor_unique[4]; 1030 __be32 asso_type; 1031 u32 phy_port_num; 1032 __be32 num_attached_nodes; 1033 u32 node_mgmt:8; 1034 u32 ip_version:8; 1035 u32 udp_tcp_port_num:16; 1036 u32 ip_address[4]; 1037 u32 reserved:16; 1038 u32 vendor_specific:16; 1039 }; 1040 1041 struct fc_rnid_acc_s { 1042 struct fc_els_cmd_s els_cmd; 1043 u32 node_id_data_format:8; 1044 u32 common_id_data_length:8; 1045 u32 reserved:8; 1046 u32 specific_id_data_length:8; 1047 struct fc_rnid_common_id_data_s common_id_data; 1048 struct fc_rnid_general_topology_data_s gen_topology_data; 1049 }; 1050 1051 #define RNID_ASSOCIATED_TYPE_UNKNOWN 0x00000001 1052 #define RNID_ASSOCIATED_TYPE_OTHER 0x00000002 1053 #define RNID_ASSOCIATED_TYPE_HUB 0x00000003 1054 #define RNID_ASSOCIATED_TYPE_SWITCH 0x00000004 1055 #define RNID_ASSOCIATED_TYPE_GATEWAY 0x00000005 1056 #define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE 0x00000009 1057 #define RNID_ASSOCIATED_TYPE_HOST 0x0000000A 1058 #define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM 0x0000000B 1059 #define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE 0x0000000E 1060 #define RNID_ASSOCIATED_TYPE_NAS_SERVER 0x00000011 1061 #define RNID_ASSOCIATED_TYPE_BRIDGE 0x00000002 1062 #define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE 0x00000003 1063 #define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE 0x000000FF 1064 1065 enum fc_rpsc_speed_cap { 1066 RPSC_SPEED_CAP_1G = 0x8000, 1067 RPSC_SPEED_CAP_2G = 0x4000, 1068 RPSC_SPEED_CAP_4G = 0x2000, 1069 RPSC_SPEED_CAP_10G = 0x1000, 1070 RPSC_SPEED_CAP_8G = 0x0800, 1071 RPSC_SPEED_CAP_16G = 0x0400, 1072 1073 RPSC_SPEED_CAP_UNKNOWN = 0x0001, 1074 }; 1075 1076 enum fc_rpsc_op_speed { 1077 RPSC_OP_SPEED_1G = 0x8000, 1078 RPSC_OP_SPEED_2G = 0x4000, 1079 RPSC_OP_SPEED_4G = 0x2000, 1080 RPSC_OP_SPEED_10G = 0x1000, 1081 RPSC_OP_SPEED_8G = 0x0800, 1082 RPSC_OP_SPEED_16G = 0x0400, 1083 1084 RPSC_OP_SPEED_NOT_EST = 0x0001, /* speed not established */ 1085 }; 1086 1087 struct fc_rpsc_speed_info_s { 1088 __be16 port_speed_cap; /* see enum fc_rpsc_speed_cap */ 1089 __be16 port_op_speed; /* see enum fc_rpsc_op_speed */ 1090 }; 1091 1092 /* 1093 * If RPSC request is sent to the Domain Controller, the request is for 1094 * all the ports within that domain. 1095 */ 1096 struct fc_rpsc_cmd_s { 1097 struct fc_els_cmd_s els_cmd; 1098 }; 1099 1100 /* 1101 * RPSC Acc 1102 */ 1103 struct fc_rpsc_acc_s { 1104 u32 command:8; 1105 u32 rsvd:8; 1106 u32 num_entries:16; 1107 1108 struct fc_rpsc_speed_info_s speed_info[1]; 1109 }; 1110 1111 /* 1112 * If RPSC2 request is sent to the Domain Controller, 1113 */ 1114 #define FC_BRCD_TOKEN 0x42524344 1115 1116 struct fc_rpsc2_cmd_s { 1117 struct fc_els_cmd_s els_cmd; 1118 __be32 token; 1119 u16 resvd; 1120 __be16 num_pids; /* Number of pids in the request */ 1121 struct { 1122 u32 rsvd1:8; 1123 u32 pid:24; /* port identifier */ 1124 } pid_list[1]; 1125 }; 1126 1127 enum fc_rpsc2_port_type { 1128 RPSC2_PORT_TYPE_UNKNOWN = 0, 1129 RPSC2_PORT_TYPE_NPORT = 1, 1130 RPSC2_PORT_TYPE_NLPORT = 2, 1131 RPSC2_PORT_TYPE_NPIV_PORT = 0x5f, 1132 RPSC2_PORT_TYPE_NPORT_TRUNK = 0x6f, 1133 }; 1134 1135 /* 1136 * RPSC2 portInfo entry structure 1137 */ 1138 struct fc_rpsc2_port_info_s { 1139 __be32 pid; /* PID */ 1140 u16 resvd1; 1141 __be16 index; /* port number / index */ 1142 u8 resvd2; 1143 u8 type; /* port type N/NL/... */ 1144 __be16 speed; /* port Operating Speed */ 1145 }; 1146 1147 /* 1148 * RPSC2 Accept payload 1149 */ 1150 struct fc_rpsc2_acc_s { 1151 u8 els_cmd; 1152 u8 resvd; 1153 __be16 num_pids; /* Number of pids in the request */ 1154 struct fc_rpsc2_port_info_s port_info[1]; /* port information */ 1155 }; 1156 1157 /* 1158 * bit fields so that multiple classes can be specified 1159 */ 1160 enum fc_cos { 1161 FC_CLASS_2 = 0x04, 1162 FC_CLASS_3 = 0x08, 1163 FC_CLASS_2_3 = 0x0C, 1164 }; 1165 1166 /* 1167 * symbolic name 1168 */ 1169 struct fc_symname_s { 1170 u8 symname[FC_SYMNAME_MAX]; 1171 }; 1172 1173 /* 1174 * protocol default timeout values 1175 */ 1176 #define FC_ED_TOV 2 1177 #define FC_REC_TOV (FC_ED_TOV + 1) 1178 #define FC_RA_TOV 10 1179 #define FC_ELS_TOV ((2 * FC_RA_TOV) + 1) 1180 #define FC_FCCT_TOV (3 * FC_RA_TOV) 1181 1182 /* 1183 * virtual fabric related defines 1184 */ 1185 #define FC_VF_ID_NULL 0 /* must not be used as VF_ID */ 1186 #define FC_VF_ID_MIN 1 1187 #define FC_VF_ID_MAX 0xEFF 1188 #define FC_VF_ID_CTL 0xFEF /* control VF_ID */ 1189 1190 /* 1191 * Virtual Fabric Tagging header format 1192 * @caution This is defined only in BIG ENDIAN format. 1193 */ 1194 struct fc_vft_s { 1195 u32 r_ctl:8; 1196 u32 ver:2; 1197 u32 type:4; 1198 u32 res_a:2; 1199 u32 priority:3; 1200 u32 vf_id:12; 1201 u32 res_b:1; 1202 u32 hopct:8; 1203 u32 res_c:24; 1204 }; 1205 1206 /* 1207 * FCP_CMND definitions 1208 */ 1209 #define FCP_CMND_CDB_LEN 16 1210 #define FCP_CMND_LUN_LEN 8 1211 1212 struct fcp_cmnd_s { 1213 struct scsi_lun lun; /* 64-bit LU number */ 1214 u8 crn; /* command reference number */ 1215 #ifdef __BIG_ENDIAN 1216 u8 resvd:1, 1217 priority:4, /* FCP-3: SAM-3 priority */ 1218 taskattr:3; /* scsi task attribute */ 1219 #else 1220 u8 taskattr:3, /* scsi task attribute */ 1221 priority:4, /* FCP-3: SAM-3 priority */ 1222 resvd:1; 1223 #endif 1224 u8 tm_flags; /* task management flags */ 1225 #ifdef __BIG_ENDIAN 1226 u8 addl_cdb_len:6, /* additional CDB length words */ 1227 iodir:2; /* read/write FCP_DATA IUs */ 1228 #else 1229 u8 iodir:2, /* read/write FCP_DATA IUs */ 1230 addl_cdb_len:6; /* additional CDB length */ 1231 #endif 1232 struct scsi_cdb_s cdb; 1233 1234 __be32 fcp_dl; /* bytes to be transferred */ 1235 }; 1236 1237 #define fcp_cmnd_cdb_len(_cmnd) ((_cmnd)->addl_cdb_len * 4 + FCP_CMND_CDB_LEN) 1238 #define fcp_cmnd_fcpdl(_cmnd) ((&(_cmnd)->fcp_dl)[(_cmnd)->addl_cdb_len]) 1239 1240 /* 1241 * struct fcp_cmnd_s .iodir field values 1242 */ 1243 enum fcp_iodir { 1244 FCP_IODIR_NONE = 0, 1245 FCP_IODIR_WRITE = 1, 1246 FCP_IODIR_READ = 2, 1247 FCP_IODIR_RW = 3, 1248 }; 1249 1250 /* 1251 * Task management flags field - only one bit shall be set 1252 */ 1253 enum fcp_tm_cmnd { 1254 FCP_TM_ABORT_TASK_SET = BIT(1), 1255 FCP_TM_CLEAR_TASK_SET = BIT(2), 1256 FCP_TM_LUN_RESET = BIT(4), 1257 FCP_TM_TARGET_RESET = BIT(5), /* obsolete in FCP-3 */ 1258 FCP_TM_CLEAR_ACA = BIT(6), 1259 }; 1260 1261 /* 1262 * FCP_RSP residue flags 1263 */ 1264 enum fcp_residue { 1265 FCP_NO_RESIDUE = 0, /* no residue */ 1266 FCP_RESID_OVER = 1, /* more data left that was not sent */ 1267 FCP_RESID_UNDER = 2, /* less data than requested */ 1268 }; 1269 1270 struct fcp_rspinfo_s { 1271 u32 res0:24; 1272 u32 rsp_code:8; /* response code (as above) */ 1273 u32 res1; 1274 }; 1275 1276 struct fcp_resp_s { 1277 u32 reserved[2]; /* 2 words reserved */ 1278 u16 reserved2; 1279 #ifdef __BIG_ENDIAN 1280 u8 reserved3:3; 1281 u8 fcp_conf_req:1; /* FCP_CONF is requested */ 1282 u8 resid_flags:2; /* underflow/overflow */ 1283 u8 sns_len_valid:1; /* sense len is valid */ 1284 u8 rsp_len_valid:1; /* response len is valid */ 1285 #else 1286 u8 rsp_len_valid:1; /* response len is valid */ 1287 u8 sns_len_valid:1; /* sense len is valid */ 1288 u8 resid_flags:2; /* underflow/overflow */ 1289 u8 fcp_conf_req:1; /* FCP_CONF is requested */ 1290 u8 reserved3:3; 1291 #endif 1292 u8 scsi_status; /* one byte SCSI status */ 1293 u32 residue; /* residual data bytes */ 1294 u32 sns_len; /* length od sense info */ 1295 u32 rsp_len; /* length of response info */ 1296 }; 1297 1298 #define fcp_snslen(__fcprsp) ((__fcprsp)->sns_len_valid ? \ 1299 (__fcprsp)->sns_len : 0) 1300 #define fcp_rsplen(__fcprsp) ((__fcprsp)->rsp_len_valid ? \ 1301 (__fcprsp)->rsp_len : 0) 1302 #define fcp_rspinfo(__fcprsp) ((struct fcp_rspinfo_s *)((__fcprsp) + 1)) 1303 #define fcp_snsinfo(__fcprsp) (((u8 *)fcp_rspinfo(__fcprsp)) + \ 1304 fcp_rsplen(__fcprsp)) 1305 /* 1306 * CT 1307 */ 1308 struct ct_hdr_s { 1309 u32 rev_id:8; /* Revision of the CT */ 1310 u32 in_id:24; /* Initiator Id */ 1311 u32 gs_type:8; /* Generic service Type */ 1312 u32 gs_sub_type:8; /* Generic service sub type */ 1313 u32 options:8; /* options */ 1314 u32 rsvrd:8; /* reserved */ 1315 u32 cmd_rsp_code:16;/* ct command/response code */ 1316 u32 max_res_size:16;/* maximum/residual size */ 1317 u32 frag_id:8; /* fragment ID */ 1318 u32 reason_code:8; /* reason code */ 1319 u32 exp_code:8; /* explanation code */ 1320 u32 vendor_unq:8; /* vendor unique */ 1321 }; 1322 1323 /* 1324 * defines for the Revision 1325 */ 1326 enum { 1327 CT_GS3_REVISION = 0x01, 1328 }; 1329 1330 /* 1331 * defines for gs_type 1332 */ 1333 enum { 1334 CT_GSTYPE_KEYSERVICE = 0xF7, 1335 CT_GSTYPE_ALIASSERVICE = 0xF8, 1336 CT_GSTYPE_MGMTSERVICE = 0xFA, 1337 CT_GSTYPE_TIMESERVICE = 0xFB, 1338 CT_GSTYPE_DIRSERVICE = 0xFC, 1339 }; 1340 1341 /* 1342 * defines for gs_sub_type for gs type directory service 1343 */ 1344 enum { 1345 CT_GSSUBTYPE_NAMESERVER = 0x02, 1346 }; 1347 1348 /* 1349 * defines for gs_sub_type for gs type management service 1350 */ 1351 enum { 1352 CT_GSSUBTYPE_CFGSERVER = 0x01, 1353 CT_GSSUBTYPE_UNZONED_NS = 0x02, 1354 CT_GSSUBTYPE_ZONESERVER = 0x03, 1355 CT_GSSUBTYPE_LOCKSERVER = 0x04, 1356 CT_GSSUBTYPE_HBA_MGMTSERVER = 0x10, /* for FDMI */ 1357 }; 1358 1359 /* 1360 * defines for CT response code field 1361 */ 1362 enum { 1363 CT_RSP_REJECT = 0x8001, 1364 CT_RSP_ACCEPT = 0x8002, 1365 }; 1366 1367 /* 1368 * defintions for CT reason code 1369 */ 1370 enum { 1371 CT_RSN_INV_CMD = 0x01, 1372 CT_RSN_INV_VER = 0x02, 1373 CT_RSN_LOGIC_ERR = 0x03, 1374 CT_RSN_INV_SIZE = 0x04, 1375 CT_RSN_LOGICAL_BUSY = 0x05, 1376 CT_RSN_PROTO_ERR = 0x07, 1377 CT_RSN_UNABLE_TO_PERF = 0x09, 1378 CT_RSN_NOT_SUPP = 0x0B, 1379 CT_RSN_SERVER_NOT_AVBL = 0x0D, 1380 CT_RSN_SESSION_COULD_NOT_BE_ESTBD = 0x0E, 1381 CT_RSN_VENDOR_SPECIFIC = 0xFF, 1382 1383 }; 1384 1385 /* 1386 * definitions for explanations code for Name server 1387 */ 1388 enum { 1389 CT_NS_EXP_NOADDITIONAL = 0x00, 1390 CT_NS_EXP_ID_NOT_REG = 0x01, 1391 CT_NS_EXP_PN_NOT_REG = 0x02, 1392 CT_NS_EXP_NN_NOT_REG = 0x03, 1393 CT_NS_EXP_CS_NOT_REG = 0x04, 1394 CT_NS_EXP_IPN_NOT_REG = 0x05, 1395 CT_NS_EXP_IPA_NOT_REG = 0x06, 1396 CT_NS_EXP_FT_NOT_REG = 0x07, 1397 CT_NS_EXP_SPN_NOT_REG = 0x08, 1398 CT_NS_EXP_SNN_NOT_REG = 0x09, 1399 CT_NS_EXP_PT_NOT_REG = 0x0A, 1400 CT_NS_EXP_IPP_NOT_REG = 0x0B, 1401 CT_NS_EXP_FPN_NOT_REG = 0x0C, 1402 CT_NS_EXP_HA_NOT_REG = 0x0D, 1403 CT_NS_EXP_FD_NOT_REG = 0x0E, 1404 CT_NS_EXP_FF_NOT_REG = 0x0F, 1405 CT_NS_EXP_ACCESSDENIED = 0x10, 1406 CT_NS_EXP_UNACCEPTABLE_ID = 0x11, 1407 CT_NS_EXP_DATABASEEMPTY = 0x12, 1408 CT_NS_EXP_NOT_REG_IN_SCOPE = 0x13, 1409 CT_NS_EXP_DOM_ID_NOT_PRESENT = 0x14, 1410 CT_NS_EXP_PORT_NUM_NOT_PRESENT = 0x15, 1411 CT_NS_EXP_NO_DEVICE_ATTACHED = 0x16 1412 }; 1413 1414 /* 1415 * defintions for the explanation code for all servers 1416 */ 1417 enum { 1418 CT_EXP_AUTH_EXCEPTION = 0xF1, 1419 CT_EXP_DB_FULL = 0xF2, 1420 CT_EXP_DB_EMPTY = 0xF3, 1421 CT_EXP_PROCESSING_REQ = 0xF4, 1422 CT_EXP_UNABLE_TO_VERIFY_CONN = 0xF5, 1423 CT_EXP_DEVICES_NOT_IN_CMN_ZONE = 0xF6 1424 }; 1425 1426 /* 1427 * Command codes for Name server 1428 */ 1429 enum { 1430 GS_GID_PN = 0x0121, /* Get Id on port name */ 1431 GS_GPN_ID = 0x0112, /* Get port name on ID */ 1432 GS_GNN_ID = 0x0113, /* Get node name on ID */ 1433 GS_GID_FT = 0x0171, /* Get Id on FC4 type */ 1434 GS_GSPN_ID = 0x0118, /* Get symbolic PN on ID */ 1435 GS_RFT_ID = 0x0217, /* Register fc4type on ID */ 1436 GS_RSPN_ID = 0x0218, /* Register symbolic PN on ID */ 1437 GS_RPN_ID = 0x0212, /* Register port name */ 1438 GS_RNN_ID = 0x0213, /* Register node name */ 1439 GS_RCS_ID = 0x0214, /* Register class of service */ 1440 GS_RPT_ID = 0x021A, /* Register port type */ 1441 GS_GA_NXT = 0x0100, /* Get all next */ 1442 GS_RFF_ID = 0x021F, /* Register FC4 Feature */ 1443 }; 1444 1445 struct fcgs_id_req_s { 1446 u32 rsvd:8; 1447 u32 dap:24; /* port identifier */ 1448 }; 1449 #define fcgs_gpnid_req_t struct fcgs_id_req_s 1450 #define fcgs_gnnid_req_t struct fcgs_id_req_s 1451 #define fcgs_gspnid_req_t struct fcgs_id_req_s 1452 1453 struct fcgs_gidpn_req_s { 1454 wwn_t port_name; /* port wwn */ 1455 }; 1456 1457 struct fcgs_gidpn_resp_s { 1458 u32 rsvd:8; 1459 u32 dap:24; /* port identifier */ 1460 }; 1461 1462 /* 1463 * RFT_ID 1464 */ 1465 struct fcgs_rftid_req_s { 1466 u32 rsvd:8; 1467 u32 dap:24; /* port identifier */ 1468 __be32 fc4_type[8]; /* fc4 types */ 1469 }; 1470 1471 /* 1472 * RFF_ID : Register FC4 features. 1473 */ 1474 #define FC_GS_FCP_FC4_FEATURE_INITIATOR 0x02 1475 #define FC_GS_FCP_FC4_FEATURE_TARGET 0x01 1476 1477 struct fcgs_rffid_req_s { 1478 u32 rsvd:8; 1479 u32 dap:24; /* port identifier */ 1480 u32 rsvd1:16; 1481 u32 fc4ftr_bits:8; /* fc4 feature bits */ 1482 u32 fc4_type:8; /* corresponding FC4 Type */ 1483 }; 1484 1485 /* 1486 * GID_FT Request 1487 */ 1488 struct fcgs_gidft_req_s { 1489 u8 reserved; 1490 u8 domain_id; /* domain, 0 - all fabric */ 1491 u8 area_id; /* area, 0 - whole domain */ 1492 u8 fc4_type; /* FC_TYPE_FCP for SCSI devices */ 1493 }; 1494 1495 /* 1496 * GID_FT Response 1497 */ 1498 struct fcgs_gidft_resp_s { 1499 u8 last:1; /* last port identifier flag */ 1500 u8 reserved:7; 1501 u32 pid:24; /* port identifier */ 1502 }; 1503 1504 /* 1505 * RSPN_ID 1506 */ 1507 struct fcgs_rspnid_req_s { 1508 u32 rsvd:8; 1509 u32 dap:24; /* port identifier */ 1510 u8 spn_len; /* symbolic port name length */ 1511 u8 spn[256]; /* symbolic port name */ 1512 }; 1513 1514 /* 1515 * RPN_ID 1516 */ 1517 struct fcgs_rpnid_req_s { 1518 u32 rsvd:8; 1519 u32 port_id:24; 1520 wwn_t port_name; 1521 }; 1522 1523 /* 1524 * RNN_ID 1525 */ 1526 struct fcgs_rnnid_req_s { 1527 u32 rsvd:8; 1528 u32 port_id:24; 1529 wwn_t node_name; 1530 }; 1531 1532 /* 1533 * RCS_ID 1534 */ 1535 struct fcgs_rcsid_req_s { 1536 u32 rsvd:8; 1537 u32 port_id:24; 1538 u32 cos; 1539 }; 1540 1541 /* 1542 * RPT_ID 1543 */ 1544 struct fcgs_rptid_req_s { 1545 u32 rsvd:8; 1546 u32 port_id:24; 1547 u32 port_type:8; 1548 u32 rsvd1:24; 1549 }; 1550 1551 /* 1552 * GA_NXT Request 1553 */ 1554 struct fcgs_ganxt_req_s { 1555 u32 rsvd:8; 1556 u32 port_id:24; 1557 }; 1558 1559 /* 1560 * GA_NXT Response 1561 */ 1562 struct fcgs_ganxt_rsp_s { 1563 u32 port_type:8; /* Port Type */ 1564 u32 port_id:24; /* Port Identifier */ 1565 wwn_t port_name; /* Port Name */ 1566 u8 spn_len; /* Length of Symbolic Port Name */ 1567 char spn[255]; /* Symbolic Port Name */ 1568 wwn_t node_name; /* Node Name */ 1569 u8 snn_len; /* Length of Symbolic Node Name */ 1570 char snn[255]; /* Symbolic Node Name */ 1571 u8 ipa[8]; /* Initial Process Associator */ 1572 u8 ip[16]; /* IP Address */ 1573 u32 cos; /* Class of Service */ 1574 u32 fc4types[8]; /* FC-4 TYPEs */ 1575 wwn_t fabric_port_name; /* Fabric Port Name */ 1576 u32 rsvd:8; /* Reserved */ 1577 u32 hard_addr:24; /* Hard Address */ 1578 }; 1579 1580 /* 1581 * Command codes for Fabric Configuration Server 1582 */ 1583 enum { 1584 GS_FC_GFN_CMD = 0x0114, /* GS FC Get Fabric Name */ 1585 GS_FC_GMAL_CMD = 0x0116, /* GS FC GMAL */ 1586 GS_FC_TRACE_CMD = 0x0400, /* GS FC Trace Route */ 1587 GS_FC_PING_CMD = 0x0401, /* GS FC Ping */ 1588 }; 1589 1590 /* 1591 * GMAL Command ( Get ( interconnect Element) Management Address List) 1592 * To retrieve the IP Address of a Switch. 1593 */ 1594 #define CT_GMAL_RESP_PREFIX_TELNET "telnet://" 1595 #define CT_GMAL_RESP_PREFIX_HTTP "http://" 1596 1597 /* GMAL/GFN request */ 1598 struct fcgs_req_s { 1599 wwn_t wwn; /* PWWN/NWWN */ 1600 }; 1601 1602 #define fcgs_gmal_req_t struct fcgs_req_s 1603 #define fcgs_gfn_req_t struct fcgs_req_s 1604 1605 /* Accept Response to GMAL */ 1606 struct fcgs_gmal_resp_s { 1607 __be32 ms_len; /* Num of entries */ 1608 u8 ms_ma[256]; 1609 }; 1610 1611 struct fcgs_gmal_entry_s { 1612 u8 len; 1613 u8 prefix[7]; /* like "http://" */ 1614 u8 ip_addr[248]; 1615 }; 1616 1617 /* 1618 * FDMI Command Codes 1619 */ 1620 #define FDMI_GRHL 0x0100 1621 #define FDMI_GHAT 0x0101 1622 #define FDMI_GRPL 0x0102 1623 #define FDMI_GPAT 0x0110 1624 #define FDMI_RHBA 0x0200 1625 #define FDMI_RHAT 0x0201 1626 #define FDMI_RPRT 0x0210 1627 #define FDMI_RPA 0x0211 1628 #define FDMI_DHBA 0x0300 1629 #define FDMI_DPRT 0x0310 1630 1631 /* 1632 * FDMI reason codes 1633 */ 1634 #define FDMI_NO_ADDITIONAL_EXP 0x00 1635 #define FDMI_HBA_ALREADY_REG 0x10 1636 #define FDMI_HBA_ATTRIB_NOT_REG 0x11 1637 #define FDMI_HBA_ATTRIB_MULTIPLE 0x12 1638 #define FDMI_HBA_ATTRIB_LENGTH_INVALID 0x13 1639 #define FDMI_HBA_ATTRIB_NOT_PRESENT 0x14 1640 #define FDMI_PORT_ORIG_NOT_IN_LIST 0x15 1641 #define FDMI_PORT_HBA_NOT_IN_LIST 0x16 1642 #define FDMI_PORT_ATTRIB_NOT_REG 0x20 1643 #define FDMI_PORT_NOT_REG 0x21 1644 #define FDMI_PORT_ATTRIB_MULTIPLE 0x22 1645 #define FDMI_PORT_ATTRIB_LENGTH_INVALID 0x23 1646 #define FDMI_PORT_ALREADY_REGISTEREED 0x24 1647 1648 /* 1649 * FDMI Transmission Speed Mask values 1650 */ 1651 #define FDMI_TRANS_SPEED_1G 0x00000001 1652 #define FDMI_TRANS_SPEED_2G 0x00000002 1653 #define FDMI_TRANS_SPEED_10G 0x00000004 1654 #define FDMI_TRANS_SPEED_4G 0x00000008 1655 #define FDMI_TRANS_SPEED_8G 0x00000010 1656 #define FDMI_TRANS_SPEED_16G 0x00000020 1657 #define FDMI_TRANS_SPEED_UNKNOWN 0x00008000 1658 1659 /* 1660 * FDMI HBA attribute types 1661 */ 1662 enum fdmi_hba_attribute_type { 1663 FDMI_HBA_ATTRIB_NODENAME = 1, /* 0x0001 */ 1664 FDMI_HBA_ATTRIB_MANUFACTURER, /* 0x0002 */ 1665 FDMI_HBA_ATTRIB_SERIALNUM, /* 0x0003 */ 1666 FDMI_HBA_ATTRIB_MODEL, /* 0x0004 */ 1667 FDMI_HBA_ATTRIB_MODEL_DESC, /* 0x0005 */ 1668 FDMI_HBA_ATTRIB_HW_VERSION, /* 0x0006 */ 1669 FDMI_HBA_ATTRIB_DRIVER_VERSION, /* 0x0007 */ 1670 FDMI_HBA_ATTRIB_ROM_VERSION, /* 0x0008 */ 1671 FDMI_HBA_ATTRIB_FW_VERSION, /* 0x0009 */ 1672 FDMI_HBA_ATTRIB_OS_NAME, /* 0x000A */ 1673 FDMI_HBA_ATTRIB_MAX_CT, /* 0x000B */ 1674 1675 FDMI_HBA_ATTRIB_MAX_TYPE 1676 }; 1677 1678 /* 1679 * FDMI Port attribute types 1680 */ 1681 enum fdmi_port_attribute_type { 1682 FDMI_PORT_ATTRIB_FC4_TYPES = 1, /* 0x0001 */ 1683 FDMI_PORT_ATTRIB_SUPP_SPEED, /* 0x0002 */ 1684 FDMI_PORT_ATTRIB_PORT_SPEED, /* 0x0003 */ 1685 FDMI_PORT_ATTRIB_FRAME_SIZE, /* 0x0004 */ 1686 FDMI_PORT_ATTRIB_DEV_NAME, /* 0x0005 */ 1687 FDMI_PORT_ATTRIB_HOST_NAME, /* 0x0006 */ 1688 1689 FDMI_PORT_ATTR_MAX_TYPE 1690 }; 1691 1692 /* 1693 * FDMI attribute 1694 */ 1695 struct fdmi_attr_s { 1696 __be16 type; 1697 __be16 len; 1698 u8 value[1]; 1699 }; 1700 1701 /* 1702 * HBA Attribute Block 1703 */ 1704 struct fdmi_hba_attr_s { 1705 __be32 attr_count; /* # of attributes */ 1706 struct fdmi_attr_s hba_attr; /* n attributes */ 1707 }; 1708 1709 /* 1710 * Registered Port List 1711 */ 1712 struct fdmi_port_list_s { 1713 __be32 num_ports; /* number Of Port Entries */ 1714 wwn_t port_entry; /* one or more */ 1715 }; 1716 1717 /* 1718 * Port Attribute Block 1719 */ 1720 struct fdmi_port_attr_s { 1721 __be32 attr_count; /* # of attributes */ 1722 struct fdmi_attr_s port_attr; /* n attributes */ 1723 }; 1724 1725 /* 1726 * FDMI Register HBA Attributes 1727 */ 1728 struct fdmi_rhba_s { 1729 wwn_t hba_id; /* HBA Identifier */ 1730 struct fdmi_port_list_s port_list; /* Registered Port List */ 1731 struct fdmi_hba_attr_s hba_attr_blk; /* HBA attribute block */ 1732 }; 1733 1734 /* 1735 * FDMI Register Port 1736 */ 1737 struct fdmi_rprt_s { 1738 wwn_t hba_id; /* HBA Identifier */ 1739 wwn_t port_name; /* Port wwn */ 1740 struct fdmi_port_attr_s port_attr_blk; /* Port Attr Block */ 1741 }; 1742 1743 /* 1744 * FDMI Register Port Attributes 1745 */ 1746 struct fdmi_rpa_s { 1747 wwn_t port_name; /* port wwn */ 1748 struct fdmi_port_attr_s port_attr_blk; /* Port Attr Block */ 1749 }; 1750 1751 #pragma pack() 1752 1753 #endif /* __BFA_FC_H__ */ 1754